1. The on-line gas acidity detection equipment is installed on a mobile trolley (1), and is characterized by comprising a gas collection mechanism (2), a gas acidity detection mechanism (3), a detection liquid supplement mechanism (4), an exhaust mechanism (5), a detection liquid neutralization mechanism (7), an alkali liquor supplement mechanism (8) and a control mechanism (6);

the gas collection mechanism (2) is used for collecting gas with acidity to be detected and inputting the collected gas into the gas acidity detection mechanism (3);

the gas acidity detection mechanism (3) is used for detecting the acidity of gas on line and uploading the detected gas acidity result to the control mechanism (6);

the detection liquid supplementing mechanism (4) is used for supplementing clean detection liquid into the gas acidity detection mechanism (3);

the exhaust mechanism (5) is used for exhausting gas in the gas acidity detection mechanism (3);

the detection liquid neutralizing mechanism (7) is used for neutralizing the detection liquid with acidity discharged by the gas acidity detection mechanism (3) and then discharging the detection liquid;

the alkali liquor replenishing mechanism (8) is used for replenishing clean alkali liquor to the interior of the detection liquid neutralizing mechanism (7);

the control mechanism (6) is used for controlling the gas collection mechanism (2), the gas acidity detection mechanism (3), the detection liquid supplement mechanism (4), the detection liquid neutralization mechanism (7) and the alkali liquor supplement mechanism (8) to automatically operate, and displaying a gas acidity result detected by the gas acidity detection mechanism (3).

2. The on-line gas acidity detection apparatus of claim 1, wherein: the gas collection mechanism (2) is composed of a gas collection hood (201), a gas collection pipe (202), a fan (203) and a first one-way valve (204);

the gas collecting port of the gas collecting hood (201) is arranged downwards, one end of the gas collecting hood (202) is fixedly connected with the top of the gas collecting hood (201), the inside of the gas collecting hood (202) is communicated with the inside of the gas collecting hood (201), the fan (203) is fixedly installed on the upper portion of the mobile trolley (1), the fan (203) is fixedly installed on the gas collecting hood (202), the first one-way valve (204) is located between the other ends of the fan (203) and the gas collecting hood (202), and the conducting direction of the first one-way valve (204) is back to the fan (203).

3. The on-line gas acidity detection apparatus of claim 2, wherein: the gas acidity detection mechanism (3) is composed of a first liquid storage barrel (301), a first PH sensor (302), a first liquid level sensor (304), a first motor (303), a first stirring shaft (305), a first stirring blade (306) and a uniform distributor (307);

first liquid storage bucket (301) fixed mounting is on removing dolly (1), first PH sensor (302) and first level sensor (304) all inlay on the roof of first liquid storage bucket (301), first motor (303) fixed mounting is on the roof upper portion of first liquid storage bucket (301), first (mixing) shaft (305) set up the inside at first liquid storage bucket (301) vertically, and the upper end of first (mixing) shaft (305) and the axis of rotation fixed connection of first motor (303), first stirring leaf (306) fixed mounting is at the bottom tip of first (mixing) shaft (305), and first stirring leaf (306) are located the inside of first liquid storage bucket (301), equipartition ware (307) fixed mounting is on the inner diapire upper portion of first liquid storage bucket (301).

4. The on-line gas acidity detection apparatus of claim 3, wherein: the uniform distributor (307) is composed of a circular sealed shell (3071) and a hollow support rod (3072);

circular sealed casing (3071) sets up the inside at first stock solution bucket (301), and circular sealed casing (3071) is located the below of first stirring leaf (306), the diapire indent setting of circular sealed casing (3071), and set up a plurality of equipartition holes (3073) that are the hoop and arrange with equal angle on the diapire of circular sealed casing (3071), the diapire bottom at circular sealed casing (3071) is installed vertically and fixedly in cavity bracing piece (3072), and the bottom of cavity bracing piece (3072) and the interior diapire upper portion fixed connection of first stock solution bucket (301), the inside and the one end that gas collecting pipe (202) kept away from gas collecting channel (201) of cavity bracing piece (3072) are linked together.

5. The on-line gas acidity detection apparatus of claim 3, wherein: the detection liquid supplementing mechanism (4) is composed of a second liquid storage barrel (401), a liquid feeding submersible pump (407), a liquid feeding pipe (405), a second one-way valve (406), a second liquid level sensor (402) and an end cover (404);

be equipped with filling opening (403) on the roof of second stock solution bucket (401), liquid feeding immersible pump (407) fixed mounting is on the interior diapire upper portion of second stock solution bucket (401), liquid feeding pipe (405) fixed mounting is on the roof of second stock solution bucket (401), and the one end of liquid feeding pipe (405) is linked together with the delivery port of liquid feeding immersible pump (407), the other end of liquid feeding pipe (405) is linked together with the top of first stock solution bucket (301), second check valve (406) fixed mounting is on liquid feeding pipe (405), and the direction that switches on of second check valve (406) sets up towards the inside of first stock solution bucket (301), second level sensor (402) inlays the dress on the roof of second stock solution bucket (401), end cover (404) spiro union is in the outside of filling opening (403), and seted up first gas pocket on the roof of end cover (404).

6. The on-line gas acidity detection apparatus of claim 3, wherein: the exhaust mechanism (5) is composed of an exhaust pipe (501), an assembling shell (502), a sealing cover (503) and an active carbon filter element (504);

exhaust pipe (501) are vertically and fixedly installed on the top wall of first liquid storage bucket (301), and exhaust pipe (501) are linked together with the inside of first liquid storage bucket (301) and set up, join in marriage upper end tip of dress casing (502) fixed mounting at exhaust pipe (501), be equipped with annular groove (505) on the lateral wall of sealed lid (503), and sealed lid (503) spiro union is on the upper portion of joining in marriage dress casing (502), a plurality of exhaust holes (506) have evenly been seted up on the outer loop lateral wall of annular groove (505), activated carbon filter core (504) are adorned the inside of dress casing (502) through sealed lid (503) encapsulation.

7. The on-line gas acidity detection apparatus of claim 3, wherein: the detection liquid neutralization mechanism (7) is composed of a third liquid storage barrel (701), a second PH sensor (702), a third liquid level sensor (708), a second motor (703), a second stirring shaft (704), a second stirring blade (705), a liquid discharge pipe (707), a first electromagnetic valve (709) and a second electromagnetic valve (706);

the top wall of the third liquid storage barrel (701) is communicated with the bottom wall of the first liquid storage barrel (301) through a connecting pipe (710), a second PH sensor (702) and a third liquid level sensor (708) are embedded on the top wall of the third liquid storage barrel (701), a second motor (703) is fixedly installed on the upper part of the top wall of the third liquid storage barrel (701), a second stirring shaft (704) is vertically arranged inside the third liquid storage barrel (701), the upper end of the second stirring shaft (704) is fixedly connected with a rotating shaft of a second motor (703), a second stirring blade (705) is fixedly arranged at the bottom end part of the second stirring shaft (704), a liquid discharge pipe (707) is fixedly arranged at the bottom part of the third liquid storage barrel (701), the interior of the liquid discharge pipe (707) is communicated with the interior of the third liquid storage barrel (701), the first electromagnetic valve (709) is fixedly arranged on the connecting pipe (710), and the second electromagnetic valve (706) is fixedly arranged on the liquid discharge pipe (707).

8. The on-line gas acidity detection apparatus of claim 7, wherein: the alkali liquor supplementing mechanism (8) is composed of a fourth liquid storage barrel (801), a fourth liquid level sensor (802), a sealing cover (803), a dosing submersible pump (807), a dosing pipe (806) and a third one-way valve (805);

be equipped with on the roof of fourth stock solution bucket (801) with medicine mouth (804), fourth level sensor (802) inlays the dress on the roof of fourth stock solution bucket (801), closing cap (803) spiro union is in the outside of adding medicine mouth (804), and seted up the second gas pocket on the roof of closing cap (803), add medicine immersible pump (807) fixed mounting on the interior diapire upper portion of fourth stock solution bucket (801), add medicine pipe (806) fixed mounting on the roof of fourth stock solution bucket (801), and the one end of adding medicine pipe (806) is linked together with the delivery port of adding medicine pump (807), the other end of adding medicine pipe (806) is linked together with the roof of third stock solution bucket (701), third check valve (805) fixed mounting is on adding medicine pipe (806), and the direction that switches on of third check valve (805) sets up towards the inside of third stock solution bucket (701).

9. The on-line gas acidity detection apparatus of claim 1, wherein: the control mechanism (6) is composed of a control box (602), a rear cover (609), a controller (607), a communication module (608), a touch display screen (604), a status indicator lamp (603), a loudspeaker (601) and a power switch (605);

the control box (602) is fixedly installed on the mobile trolley (1) through the vertical rod (606), the rear cover (609) is installed at the rear part of the control box (602) through screws, the controller (607) and the communication module (608) are both fixedly installed inside the control box (602), the controller (607) is respectively connected with the communication module (608), the touch display screen (604) is embedded in the front part of the control box (602), the touch display screen (604) is electrically connected with the controller (607), the status indicator lamp (603), the loudspeaker (601) and the power switch (605) are all fixedly installed outside the control box (602), and the status indicator lamp (603), the loudspeaker (601) and the power switch (605) are all electrically connected with the controller (607).

10. An on-line detection method of gas acidity based on the device of any one of claims 1 to 9, characterized by comprising the following steps:

the gas collection mechanism (2) is used for collecting gas with acidity to be detected and inputting the collected gas into the gas acidity detection mechanism (3);

the gas acidity detection mechanism (3) uniformly distributes the waste gas, then introduces the waste gas into the water in the first liquid storage barrel (301), stirs the waste gas to ensure that acidic substances in the waste gas are fully dissolved in the water, and a first PH sensor (302) on the top wall of the first liquid storage barrel (301) uploads a detection result to the control mechanism (6);

the detection liquid supplementing mechanism (4) is used for supplementing clean detection liquid into the gas acidity detection mechanism (3) so as to maintain the liquid level in the gas acidity detection mechanism (3) at a set value;

the exhaust mechanism (5) is used for exhausting gas in the gas acidity detection mechanism (3);

the detection liquid neutralizing mechanism (7) is used for neutralizing the detection liquid with acidity discharged by the gas acidity detection mechanism (3) and then discharging the detection liquid;

the alkali liquor replenishing mechanism (8) is used for replenishing clean alkali liquor into the detection liquid neutralizing mechanism (7) so as to maintain the liquid level in the detection liquid neutralizing mechanism (7) at a set value.

Background

Acid gases, which are dissolved in water, react to form weak acids including sulfur oxides, nitrogen oxides and other compounds, and the content of the gases in the atmosphere is extremely low and cannot be detected in some regions. The presence of acid gases can increase corrosion of piping and equipment and affect the useful life thereof. In the cryogenic separation of natural gas, CO₂Possibly forming dry ice to block pipes and equipment; containing H₂The natural gas with more S can be smelly during combustion, and SO generated by combustion₂Such compounds pollute the environment; in catalytic processing, sulfur-containing hydrocarbon compounds poison the catalyst. Therefore, acid gas removal is one of the main tasks of natural gas purification.

The gas acidity detection equipment in the prior art is difficult to detect the acidity of gas on line, the detected gas and acidic detection liquid generated in the detection process are generally directly discharged, the detection process has the problem of environmental pollution, and the environmental protection value is poor.

Disclosure of Invention

The invention aims to provide gas acidity on-line detection equipment, which can detect the acidity of gas on line, purify the detected gas and discharge the purified gas, and neutralize acidic detection liquid generated in the detection process, so that the detection process of the gas acidity on-line detection equipment is environment-friendly and pollution-free, and has better environment-friendly value, thereby solving the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the on-line gas acidity detection equipment is installed on a moving trolley and comprises a gas collection mechanism, a gas acidity detection mechanism, a detection liquid supplement mechanism, an exhaust mechanism, a detection liquid neutralization mechanism, an alkali liquid supplement mechanism and a control mechanism.

The mobile trolley is provided with a gas collection mechanism, a gas acidity detection mechanism, a detection liquid supplement mechanism, an exhaust mechanism, a detection liquid neutralization mechanism, an alkali liquor supplement mechanism and a control mechanism;

the gas collection mechanism is used for collecting gas with acidity to be detected and inputting the collected gas into the gas acidity detection mechanism;

the gas acidity detection mechanism is used for detecting the acidity of gas on line and uploading the detected gas acidity result to the control mechanism;

the detection liquid supplementing mechanism is used for supplementing clean detection liquid into the gas acidity detection mechanism;

the exhaust mechanism is used for exhausting gas in the gas acidity detection mechanism;

the detection liquid neutralizing mechanism is used for neutralizing the detection liquid with acidity discharged by the gas acidity detection mechanism;

the alkali liquor replenishing mechanism is used for replenishing clean alkali liquor to the interior of the detection liquid neutralizing mechanism;

the control mechanism is used for controlling the gas collection mechanism, the gas acidity detection mechanism, the detection liquid supplement mechanism, the detection liquid neutralization mechanism and the alkali liquor supplement mechanism to automatically operate, and displaying a gas acidity result detected by the gas acidity detection mechanism.

The mobile trolley comprises a bottom plate, a supporting plate and four universal wheels, wherein the bottom plate is horizontally arranged, the supporting plate is horizontally and fixedly arranged on the upper portion of the bottom plate through a vertically arranged supporting column, the four universal wheels are all fixedly arranged at the bottom of the bottom plate, and the four universal wheels are self-locking universal wheels.

The gas collection mechanism comprises a gas collection hood, a gas collection pipe, a fan and a first one-way valve, a gas collection port of the gas collection hood is arranged downwards, one end of the gas collection pipe is fixedly connected with the top of the gas collection hood, the inside of the gas collection pipe is communicated with the inside of the gas collection hood, the fan is fixedly installed on the upper portion of the support plate, the fan is fixedly installed on the gas collection pipe, the first one-way valve is fixedly installed on the gas collection pipe and located between the fan and the other end of the gas collection pipe, and the conduction direction of the first one-way valve is opposite to the fan.

In the above on-line detection device for gas acidity, the gas acidity detection mechanism comprises a first liquid storage barrel, a first PH sensor, a first liquid level sensor, a first motor, a first stirring shaft, a first stirring blade and a uniform distributor, the first liquid storage barrel is fixedly arranged at the upper part of the supporting plate, the first PH sensor and the first liquid level sensor are embedded on the top wall of the first liquid storage barrel, the first motor is fixedly arranged on the upper part of the top wall of the first liquid storage barrel, the first stirring shaft is vertically arranged in the first liquid storage barrel, the upper end of the first stirring shaft is fixedly connected with the rotating shaft of the first motor, the first stirring blade is fixedly arranged at the bottom end part of the first stirring shaft, and the first stirring blade is positioned inside the first liquid storage barrel, and the uniform distributor is fixedly arranged on the upper part of the inner bottom wall of the first liquid storage barrel.

The above-mentioned online gas acidity detection device, wherein, the equipartition ware includes circular sealed casing and cavity bracing piece, circular sealed casing sets up the inside of first stock solution bucket, just circular sealed casing is located the below of first stirring leaf, the diapire indent of circular sealed casing sets up, just set up a plurality of equipartition holes that are ring equiangular arrangement on the diapire of circular sealed casing, the cavity bracing piece is vertical and install fixedly in the diapire bottom of circular sealed casing, just the bottom of cavity bracing piece with the interior diapire upper portion fixed connection of first stock solution bucket, the inside of cavity bracing piece with the discharge pipe is kept away from the one end of gas collecting channel is linked together.

The gas acidity online detection device comprises a detection liquid supplementing mechanism, a liquid feeding pump, a liquid feeding pipe, a second one-way valve, a second liquid level sensor and an end cover, wherein the second liquid storage barrel is fixedly arranged on the upper portion of the supporting plate, a liquid feeding hole is formed in the top wall of the second liquid storage barrel, the liquid feeding pump is fixedly arranged on the upper portion of the inner bottom wall of the second liquid storage barrel, the liquid feeding pipe is fixedly arranged on the top wall of the second liquid storage barrel, one end of the liquid feeding pipe is communicated with the water outlet of the liquid feeding pump, the other end of the liquid feeding pipe is communicated with the top of the first liquid storage barrel, the second one-way valve is fixedly arranged on the liquid feeding pipe, the conduction direction of the second one-way valve is arranged towards the inside of the first liquid storage barrel, the second liquid level sensor is embedded in the top wall of the second liquid storage barrel, the end cover is in threaded connection with the outer portion of the liquid feeding opening, and a first air hole is formed in the top wall of the end cover.

The above-mentioned online detection equipment for gas acidity, wherein the exhaust mechanism comprises an exhaust pipe, a mounting casing, a sealing cover and an activated carbon filter element, the exhaust pipe is vertically and fixedly mounted on the top wall of the first liquid storage barrel, the exhaust pipe is communicated with the inside of the first liquid storage barrel, the mounting casing is fixedly mounted at the upper end part of the exhaust pipe, an annular groove is arranged on the side wall of the sealing cover, the sealing cover is screwed on the upper part of the mounting casing, a plurality of exhaust holes are uniformly formed in the outer ring side wall of the annular groove, and the activated carbon filter element is packaged in the mounting casing through the sealing cover.

The above-mentioned on-line detection equipment for gas acidity, wherein the detection liquid neutralization mechanism includes a third liquid storage barrel, a second PH sensor, a third liquid level sensor, a second motor, a second stirring shaft, a second stirring blade, a liquid discharge pipe, a first electromagnetic valve and a second electromagnetic valve, the third liquid storage barrel is fixedly installed on the upper portion of the bottom plate, the top wall of the third liquid storage barrel is communicated with the bottom wall of the first liquid storage barrel through a connecting pipe, the second PH sensor and the third liquid level sensor are both embedded on the top wall of the third liquid storage barrel, the second motor is fixedly installed on the upper portion of the top wall of the third liquid storage barrel, the second stirring shaft is vertically arranged inside the third liquid storage barrel, the upper end of the second stirring shaft is fixedly connected with the rotating shaft of the second motor, and the second stirring blade is fixedly installed at the bottom end portion of the second stirring shaft, the liquid discharge pipe is fixedly installed at the bottom of the third liquid storage barrel, the interior of the liquid discharge pipe is communicated with the interior of the third liquid storage barrel, the first electromagnetic valve is fixedly installed on the connecting pipe, and the second electromagnetic valve is fixedly installed on the liquid discharge pipe.

The above-mentioned online detection equipment for gas acidity, wherein the alkali liquor supplementing mechanism comprises a fourth liquid storage barrel, a fourth liquid level sensor, a sealing cover, a dosing submersible pump, a dosing pipe and a third one-way valve, the fourth liquid storage barrel is fixedly mounted on the upper portion of the bottom plate, a dosing port is arranged on the top wall of the fourth liquid storage barrel, the fourth liquid level sensor is embedded on the top wall of the fourth liquid storage barrel, the sealing cover is screwed outside the dosing port, a second air hole is arranged on the top wall of the sealing cover, the dosing submersible pump is fixedly mounted on the upper portion of the inner bottom wall of the fourth liquid storage barrel, the dosing pipe is fixedly mounted on the top wall of the fourth liquid storage barrel, one end of the dosing pipe is communicated with a water outlet of the dosing submersible pump, the other end of the dosing pipe is communicated with the top wall of the third liquid storage barrel, and the third one-way valve is fixedly mounted on the dosing pipe, and the conduction direction of the third one-way valve faces to the inside of the third liquid storage barrel.

The above-mentioned online detection equipment for gas acidity, wherein the control mechanism includes a control box, a rear cover, a controller, a communication module, a touch display screen, a status indicator lamp, a speaker and a power switch, the control box is fixedly mounted on the upper portion of the support plate through an upright rod, the rear cover is mounted on the rear portion of the control box through a screw, the controller and the communication module are both fixedly mounted inside the control box, the controller is respectively electrically connected with the communication module, the fan, the first PH sensor, the first liquid level sensor, the first motor, the liquid feeding submersible pump, the second liquid level sensor, the second PH sensor, the third liquid level sensor, the first electromagnetic valve, the second electromagnetic valve, the fourth liquid level sensor and the liquid feeding submersible pump, and the touch display screen is embedded in the front portion of the control box, touch-control display screen with controller electric connection, the status indicator lamp loudspeaker and the equal fixed mounting of switch in the outside of control box, just the status indicator lamp loudspeaker and switch all with controller electric connection.

Meanwhile, the invention also provides an on-line detection method of gas acidity based on the device, which comprises the following steps:

the gas collection mechanism is used for collecting gas with acidity to be detected and inputting the collected gas into the gas acidity detection mechanism;

the gas acidity detection mechanism uniformly distributes the waste gas, then introduces the waste gas into the water in the first liquid storage barrel, stirs the waste gas to ensure that acidic substances in the waste gas are fully dissolved in the water, and a first PH sensor on the top wall of the first liquid storage barrel uploads a detection result to the control mechanism;

the detection liquid supplementing mechanism is used for supplementing clean detection liquid into the gas acidity detection mechanism so as to maintain the liquid level in the gas acidity detection mechanism at a set value;

the exhaust mechanism is used for exhausting gas in the gas acidity detection mechanism;

the detection liquid neutralizing mechanism is used for neutralizing the detection liquid with acidity discharged by the gas acidity detection mechanism and then discharging the detection liquid;

the alkali liquor replenishing mechanism is used for replenishing clean alkali liquor to the interior of the detection liquid neutralizing mechanism so as to maintain the liquid level in the detection liquid neutralizing mechanism at a set value.

Compared with the prior art, the invention has the beneficial effects that:

the invention can realize the on-line detection of the acidity of the gas, purify the detected gas and discharge the purified gas, and neutralize the acidic detection liquid generated in the detection process, thereby ensuring that the detection process of the on-line detection equipment of the acidity of the gas is environment-friendly and pollution-free, and has better environmental protection value.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic structural diagram of an on-line gas acidity detection apparatus according to the present invention;

FIG. 2 is a schematic view of an on-line gas acidity detection apparatus according to the present invention;

FIG. 3 is an exploded view of the exhaust mechanism of an on-line gas acidity detection apparatus according to the present invention;

FIG. 4 is a second schematic structural diagram of an on-line gas acidity detection apparatus according to the present invention;

FIG. 5 is a schematic cross-sectional view of an on-line gas acidity detection apparatus according to the present invention;

FIG. 6 is a schematic diagram of a partial structure of an on-line gas acidity detection apparatus according to the present invention, showing an outline view of a gas collection mechanism, a gas acidity detection mechanism, a detection liquid supplement mechanism, a detection liquid neutralization mechanism, and an alkali liquid supplement mechanism;

FIG. 7 is a perspective view of FIG. 6 at a bottom view angle;

FIG. 8 is a schematic cross-sectional structural diagram of a gas acidity detecting mechanism and a detecting liquid replenishing mechanism of an on-line gas acidity detecting apparatus according to the present invention;

FIG. 9 is a schematic cross-sectional view of another view angle of the gas acidity detecting mechanism and the detecting liquid replenishing mechanism of the on-line gas acidity detecting apparatus according to the present invention;

FIG. 10 is a schematic cross-sectional view of the detecting liquid neutralizing mechanism and the alkali liquid replenishing mechanism of the on-line gas acidity detecting apparatus according to the present invention;

FIG. 11 is a sectional view showing the structure of an applicator of an on-line gas acidity detecting apparatus according to the present invention;

FIG. 12 is a schematic structural diagram of a control mechanism of an on-line gas acidity detection apparatus according to the present invention;

fig. 13 is an exploded view of the control mechanism of the on-line gas acidity detection device of the present invention.

The reference numbers in the figures illustrate:

1-moving the trolley; 101-a base plate; 102-a support plate; 103-support column; 104-universal wheels;

2-a gas collection mechanism; 201-gas collecting channel; 202-a gas collecting pipe; 203-a fan; 204-a first one-way valve;

3-a gas acidity detection mechanism; 301-a first reservoir; 302-a first PH sensor; 303-a first motor; 304-a first level sensor; 305-a first stirring shaft; 306-a first stirring blade; 307-uniform distributor; 3071-round sealed housing; 3072-hollow support rods; 3073-uniformly distributing holes;

4-a detection liquid replenishing mechanism; 401-a second liquid storage barrel; 402-a second liquid level sensor; 403-a filling opening; 404-an end cap; 405-a liquid adding pipe; 406-a second one-way valve; 407-liquid adding submersible pump;

5-an exhaust mechanism; 501, an exhaust pipe; 502-fitting a housing; 503-sealing cover; 504-an activated carbon filter element; 505-an annular groove; 506-air vent;

6-a control mechanism; 601-a loudspeaker; 602-a control box; 603-status indicator lights; 604-touch display screen; 605-power switch; 606-erecting a rod; 607-a controller; 608-a communication module; 609-rear cover;

7-a detection liquid neutralization mechanism; 701-a third liquid storage barrel; 702-a second PH sensor; 703-a second electric machine; 704-a second stirring shaft; 705-second stirring blade; 706-a second solenoid valve; 707-drain; 708-a third level sensor; 709-a first solenoid valve; 710-a connecting tube;

8-an alkali liquor replenishing mechanism; 801-a fourth liquid storage barrel; 802-a fourth level sensor; 803-sealing the cover; 804-adding medicine mouth; 805-a third one-way valve; 806-a dosing tube; 807-adding medicine and diving pump.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.

In the following description, for the purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The following detailed description of the preferred embodiments of the invention, however, the invention is capable of other embodiments in addition to those detailed.

Referring to fig. 1-2, an embodiment of the present invention provides an on-line gas acidity detection apparatus, including: the device comprises a movable trolley 1, wherein a gas collection mechanism 2, a gas acidity detection mechanism 3, a detection liquid supplement mechanism 4, an exhaust mechanism 5, a detection liquid neutralization mechanism 7, an alkali liquid supplement mechanism 8 and a control mechanism 6 are arranged on the movable trolley 1.

By adopting the technical scheme, the designed gas acidity online detection equipment consists of a movable trolley 1, a gas collection mechanism 2, a gas acidity detection mechanism 3, a detection liquid supplement mechanism 4, an exhaust mechanism 5, a detection liquid neutralization mechanism 7, an alkali liquor supplement mechanism 8 and a control mechanism 6, so that the gas acidity online detection equipment can detect the acidity of gas, in addition, the method can neutralize the detection liquid with acidity, purify the discharged gas, and automatically operate, thereby the gas acidity on-line detection equipment can detect the acidity of the gas, purify and discharge the detected gas, neutralize the acidic detection liquid generated in the detection process, therefore, the detection process of the gas acidity online detection equipment is environment-friendly and pollution-free, and the environment-friendly value is good.

The moving trolley 1 is specifically shown in fig. 2, and comprises a bottom plate 101, a supporting plate 102 and four universal wheels 104, wherein the bottom plate 101 is horizontally arranged, the supporting plate 102 is horizontally and fixedly arranged on the upper portion of the bottom plate 101 through a vertically arranged supporting column 103, the four universal wheels 104 are fixedly arranged at the bottom of the bottom plate 101, and the four universal wheels 104 are self-locking universal wheels. By adopting the technical scheme, the moving trolley 1 consisting of the bottom plate 101, the supporting plate 102, the supporting column 103 and the four universal wheels 104 is adopted, so that the moving trolley 1 is simple in structure, convenient to move and convenient to use. It should be noted that the traveling carriage 1 may be replaced with another traveling mechanism.

The gas collection mechanism 2 is used for collecting gas with acidity to be detected and inputting the collected gas into the gas acidity detection mechanism 3, and the specific structure is as shown in 6-7: the gas collecting mechanism 2 is composed of a gas collecting hood 201, a gas collecting pipe 202, a fan 203 and a first one-way valve 204, wherein a gas collecting opening of the gas collecting hood 201 is arranged downwards, one end of the gas collecting pipe 202 is fixedly connected with the top of the gas collecting hood 201, the inside of the gas collecting pipe 202 is communicated with the inside of the gas collecting hood 201, the fan 203 is fixedly arranged on the upper portion of the supporting plate 102, the fan 203 is fixedly arranged on the gas collecting pipe 202, the first one-way valve 204 is located between the fan 203 and the other end of the gas collecting pipe 202, and the conducting direction of the first one-way valve 204 is back to the.

Through adopting above-mentioned technical scheme for this online check out test set of gaseous acidity possesses the function of collecting and waiting to detect gas, the practicality is good, need not to purchase in addition and wait to detect the sampling device of gaseous, use low cost, during the specific use, can place gas collecting channel 201 in the equipment top of discharging waste gas, fan 203 can inhale the waste gas of discharging in the gas collecting channel 201 and through the inside of gas collecting channel 202 input gaseous acidity detection mechanism 3, thereby make this online check out test set of gaseous acidity possess and use more convenient.

The gas acidity detection mechanism 3 is used for detecting the acidity of gas on line and uploading the detected gas acidity result to the control mechanism 6, and the specific structure of the gas acidity detection mechanism is shown in fig. 8-9: the gas acidity detection mechanism 3 comprises a first liquid storage barrel 301, a first PH sensor 302, a first liquid level sensor 304, a first motor 303, a first stirring shaft 305, a first stirring blade 306 and a uniform distributor 307, wherein the first liquid storage barrel 301 is fixedly installed on the upper portion of the supporting plate 102, the first PH sensor 302 and the first liquid level sensor 304 are embedded on the top wall of the first liquid storage barrel 301, the first motor 303 is fixedly installed on the top wall of the first liquid storage barrel 301, the first stirring shaft 305 is vertically arranged inside the first liquid storage barrel 301, the upper end of the first stirring shaft 305 is fixedly connected with a rotating shaft of the first motor 303, the first stirring blade 306 is fixedly installed at the bottom end portion of the first stirring shaft 305, the first stirring blade 306 is located inside the first liquid storage barrel 301, and the uniform distributor 307 is fixedly installed on the upper portion of the inner bottom wall of the first liquid storage barrel 301.

By adopting the above technical scheme, when in use, the waste gas (gas to be detected) input by the gas collection mechanism 2 is introduced into the first liquid storage barrel 301 through the uniform distributor 307, the acidic substance (such as sulfur dioxide) in the waste gas can be fully dissolved in the water stored in the first liquid storage barrel 301 under the action of the uniform distributor 307, meanwhile, the first stirring shaft 305 can be driven by the first motor 303 to drive the first stirring blade 306 to stir the liquid in the first liquid storage barrel 301, so that the acidic substance in the waste gas can be fully dissolved in the water, thereby improving the accuracy of the detection result of the gas acidity online detection device, the first PH sensor 302 is used for detecting the PH value of the acidic substance in the waste gas in the water, thereby detecting the acidity of the gas, in addition, the first liquid level sensor 304 is used for detecting the liquid level in the first liquid storage barrel 301, when the liquid level in the first liquid storage barrel 301 is lower than a set value, the detection liquid supplementing mechanism 4 can be automatically started to supplement the detection liquid into the first liquid storage barrel 301, and when the liquid level in the first liquid storage barrel 301 reaches a set value, the detection liquid supplementing mechanism 4 can automatically stop working.

Referring to fig. 9, the uniform distributor 307 is composed of a circular sealing housing 3071 and a hollow support rod 3072, the circular sealing housing 3071 is disposed inside the first liquid storage barrel 301, the circular sealing housing 3071 is located below the first stirring blade 306, a bottom wall of the circular sealing housing 3071 is recessed, a plurality of uniformly distributed holes 3073 circumferentially arranged at equal angles are formed in the bottom wall of the circular sealing housing 3071, the hollow support rod 3072 is vertically and fixedly mounted at the bottom of the bottom wall of the circular sealing housing 3071, a bottom end of the hollow support rod 3072 is fixedly connected with an upper portion of an inner bottom wall of the first liquid storage barrel 301, and an inside of the hollow support rod 3072 is communicated with one end of the gas collecting pipe 202 far away from the gas collecting hood 201.

Through adopting above-mentioned technical scheme, the equipartition ware 307 of setting is better to the equipartition effect of the gas that lets in, can promote the sour material in the waste gas can fully dissolve in the aquatic of the inside storage of first stock solution bucket 301 to promote the accuracy of testing result.

The detection liquid replenishing mechanism 4 is used for replenishing clean detection liquid into the gas acidity detection mechanism 3, and the specific structure thereof is shown in fig. 8: the detection liquid supplementing mechanism 4 is composed of a second liquid storage barrel 401, a liquid feeding submersible pump 407, a liquid feeding pipe 405, a second one-way valve 406, a second liquid level sensor 402 and an end cover 404, the second liquid storage barrel 401 is fixedly arranged at the upper part of the support plate 102, and the top wall of the second liquid storage barrel 401 is provided with a liquid feeding port 403, a liquid feeding submersible pump 407 is fixedly arranged on the upper part of the inner bottom wall of the second liquid storage barrel 401, a liquid feeding pipe 405 is fixedly arranged on the top wall of the second liquid storage barrel 401, one end of the liquid feeding pipe 405 is communicated with the water outlet of the liquid feeding submersible pump 407, the other end of the liquid feeding pipe 405 is communicated with the top of the first liquid storage barrel 301, the second one-way valve 406 is fixedly arranged on the liquid feeding pipe 405, and the conduction direction of the second check valve 406 is towards the inside of the first liquid storage barrel 301, the second liquid level sensor 402 is embedded on the top wall of the second liquid storage barrel 401, the end cover 404 is screwed outside the liquid filling opening 403, and the top wall of the end cover 404 is provided with a first air hole.

By adopting the technical scheme, the working principle of the arranged detection liquid supplementing mechanism 4 is as follows: when in use, the second liquid storage barrel 401 is used for storing pure water, when the liquid level in the first liquid storage barrel 301 is lower than a set value, the liquid adding submersible pump 407 automatically starts to add the pure water in the second liquid storage barrel 401 into the first liquid storage barrel 301, when the liquid level in the first liquid storage barrel 301 reaches a set value, the liquid feeding submersible pump 407 automatically stops working, the second one-way valve 406 can prevent liquid in the first liquid storage barrel 301 from reversely flowing to pollute pure water in the second liquid storage barrel 401, the second liquid level sensor 402 is used for detecting the liquid level in the second liquid storage barrel 401, when the liquid level in the second liquid storage barrel 401 is too low, the control mechanism 6 sends an alarm to remind a worker to replenish and store water in the second liquid storage barrel 401 through the liquid adding port 403 in time, the end cover 404 can prevent the inside of the second liquid storage barrel 401 from falling into foreign matters, and the first air hole can prevent the inside of the second liquid storage barrel 401 from generating negative pressure to influence the use of the detection liquid replenishing mechanism 4.

The exhaust mechanism 5 is used for exhausting the gas inside the gas acidity detection mechanism 3, and the specific structure thereof is shown in fig. 3: the exhaust mechanism 5 is composed of an exhaust pipe 501, a fitting housing 502, a sealing cover 503 and an activated carbon filter element 504, wherein the exhaust pipe 501 is vertically and fixedly installed on the top wall of the first liquid storage barrel 301, the exhaust pipe 501 is communicated with the inside of the first liquid storage barrel 301, the fitting housing 502 is fixedly installed at the upper end part of the exhaust pipe 501, an annular groove 505 is arranged on the side wall of the sealing cover 503, the sealing cover 503 is screwed on the upper part of the fitting housing 502, a plurality of exhaust holes 506 are uniformly formed in the outer annular side wall of the annular groove 505, and the activated carbon filter element 504 is packaged in the fitting housing 502 through the sealing cover 503.

By adopting the technical scheme, the working principle of the exhaust mechanism 5 is as follows: during the use, the inside exhaust gas of first stock solution bucket 301 gets into the inside of equipping casing 502 through blast pipe 501, activated carbon filter element 504 will get into the inside gas that equips casing 502 and lead to and filter and purify, can avoid the gaseous discharge polluted environment that has the acid material, secondly, sealed lid 503 is used for encapsulating activated carbon filter element 504 in the inside of equipping casing 502, sets up a plurality of exhaust holes 506 simultaneously and can prevent the inside of a plurality of exhaust holes 506 from intaking on the outer loop lateral wall of annular groove 505, thereby makes exhaust mechanism 5's waterproof performance better.

The detection liquid neutralizing mechanism 7 is used for neutralizing the detection liquid with acidity discharged from the gas acidity detection mechanism 3, and the specific structure thereof is shown in fig. 7: the detection liquid neutralization mechanism 7 is composed of a third liquid storage barrel 701, a second PH sensor 702, a third liquid level sensor 708, a second motor 703, a second stirring shaft 704, a second stirring blade 705, a liquid discharge pipe 707, a first electromagnetic valve 709 and a second electromagnetic valve 706, the third liquid storage barrel 701 is fixedly arranged at the upper part of the bottom plate 101, the top wall of the third liquid storage barrel 701 is communicated with the bottom wall of the first liquid storage barrel 301 through a connecting pipe 710, the second PH sensor 702 and the third liquid level sensor 708 are both embedded on the top wall of the third liquid storage barrel 701, the second motor 703 is fixedly arranged at the upper part of the top wall of the third liquid storage barrel 701, the second stirring shaft 704 is vertically arranged inside the third liquid storage barrel 701, the upper end of the second stirring shaft 704 is fixedly connected with the rotating shaft of the second motor 703, the second stirring blade 705 is fixedly arranged at the bottom end part of the second stirring shaft 704, the liquid discharge pipe 707 is fixedly arranged at the bottom part of the third liquid storage barrel 701, the inside of the drain pipe 707 is communicated with the inside of the third liquid storage tub 701, the first solenoid valve 709 is fixedly installed on the connection pipe 710, and the second solenoid valve 706 is fixedly installed on the drain pipe 707.

By adopting the technical scheme, the working principle of the detection liquid neutralization mechanism 7 is as follows: when the device is used, the third liquid storage barrel 701 is used for storing alkali liquor, the second PH sensor 702 is used for detecting the pH value of liquid in the third liquid storage barrel 701, and the second PH sensor 702 has two purposes, wherein one purpose is used for determining the pH value of the alkali liquor, so that the quality of the alkali liquor can be ensured; the other purpose is to detect the pH value of the neutralization solution, ensure the quality of the neutralization detection waste solution, avoid the discharge of the alkaline or acidic neutralization solution to pollute the environment, detect the liquid level in the third liquid storage barrel 701 by the third liquid level sensor 708, when the liquid level in the third liquid storage barrel 701 reaches a set value, the alkali liquor supplementing mechanism 8 stops supplementing clean alkali liquor to the interior of the third liquid storage barrel 701, the second motor 703 is used for driving the second stirring shaft 704 to drive the second stirring blade 705 to stir the liquid in the third liquid storage barrel 701 so as to enable the neutralization reaction to be thorough, the liquid discharge pipe 707 is used for discharging the neutralized liquid, the first electromagnetic valve 709 is used for controlling the connection and disconnection of the connecting pipe 710 in cooperation with the control mechanism 6, so that the control mechanism 6 can control the gas acidity detection mechanism 3 to discharge the detected waste liquid into the third liquid storage barrel 701, and the second electromagnetic valve 706 is used for cooperating with the control mechanism 6 to control the detection liquid neutralization mechanism 7 to discharge the neutralized liquid.

The alkali liquor replenishing mechanism 8 is used for replenishing clean alkali liquor to the interior of the detection liquid neutralizing mechanism 7, and the specific structure of the alkali liquor replenishing mechanism is shown in figure 10: the alkali liquor replenishing mechanism 8 is composed of a fourth liquid storage barrel 801, a fourth liquid level sensor 802, a sealing cover 803, a dosing submersible pump 807, a dosing pipe 806 and a third one-way valve 805, the fourth liquid storage barrel 801 is fixedly arranged at the upper part of the bottom plate 101, and the top wall of the fourth liquid storage barrel 801 is provided with a dosing port 804, the fourth liquid level sensor 802 is embedded on the top wall of the fourth liquid storage barrel 801, a sealing cover 803 is screwed on the outer part of the dosing port 804, and the top wall of the sealing cover 803 is provided with a second air hole, the dosing submersible pump 807 is fixedly arranged at the upper part of the inner bottom wall of the fourth liquid storage barrel 801, the dosing pipe 806 is fixedly arranged on the top wall of the fourth liquid storage barrel 801, one end of a dosing pipe 806 is communicated with the water outlet of the dosing submersible pump 807, the other end of the dosing pipe 806 is communicated with the top wall of the third liquid storage barrel 701, the third one-way valve 805 is fixedly arranged on the dosing pipe 806, and the conducting direction of the third check valve 805 is set toward the inside of the third liquid storage barrel 701.

By adopting the technical scheme, the working principle of the alkali liquor supplementing mechanism 8 is as follows: when the liquid level sensor is used, the fourth liquid storage barrel 801 is used for storing alkali liquid (such as potassium hydroxide solution), the fourth liquid level sensor 802 is used for detecting the liquid level inside the fourth liquid storage barrel 801, when the liquid level inside the fourth liquid storage barrel 801 is lower than a set value, the control mechanism 6 sends out an alarm sound to inform a worker to add the alkali liquid into the fourth liquid storage barrel 801 in time, the sealing cover 803 is used for sealing the medicine adding port 804, foreign matters can be prevented from falling into the fourth liquid storage barrel 801 through the medicine adding port 804, the medicine adding submersible pump 807 is used for automatically starting to pump the alkali liquid stored inside the fourth liquid storage barrel 801 into the third liquid storage barrel 701 through the medicine adding pipe 806 when the liquid level inside the third liquid storage barrel 701 is lower than the set value, the medicine adding submersible pump 807 automatically stops working when the liquid level inside the third liquid storage barrel 701 reaches the set value, the third one-way valve 805 can prevent the liquid inside the third liquid storage barrel 701 from flowing backwards into the fourth liquid storage barrel 801, the lye inside the fourth liquid storage barrel 801 can be prevented from being polluted.

The control mechanism 6 is used for controlling the automatic operation of the gas collection mechanism 2, the gas acidity detection mechanism 3, the detection liquid supplement mechanism 4, the detection liquid neutralization mechanism 7 and the alkali liquor supplement mechanism 8, and displaying the gas acidity result detected by the gas acidity detection mechanism 3, and the specific structure is shown in fig. 12-13: the control mechanism 6 comprises a control box 602, a rear cover 609, a controller 607, a communication module 608, a touch display screen 604, a status indicator lamp 603, a horn 601 and a power switch 605, the control box 602 is fixedly mounted on the upper portion of the support plate 102 through a vertical rod 606, the rear cover 609 is mounted on the rear portion of the control box 602 through screws, the controller 607 and the communication module 608 are both fixedly mounted inside the control box 602, the controller 607 is respectively electrically connected with the communication module 608, the blower 203, the first PH sensor 302, the first liquid level sensor 304, the first motor 303, the liquid feeding submersible pump 407, the second liquid level sensor 402, the second PH sensor 702, the third liquid level sensor 708, the first electromagnetic valve 709, the second electromagnetic valve 706, the fourth liquid level sensor 802 and the liquid feeding submersible pump 807, the touch display screen 604 is embedded in the front portion of the control box 602, and the touch display screen 604 is electrically connected with the controller 607, the status indicator 603, the speaker 601 and the power switch 605 are all fixedly installed outside the control box 602, and the status indicator 603, the speaker 601 and the power switch 605 are all electrically connected to the controller 607.

By adopting the technical scheme, the working principle of the control mechanism 6 is as follows: the controller 607 can be connected to the internet through the communication module 608 to realize on-line detection of the acidity of the gas, the controller 607 is configured to receive signals fed back by the first PH sensor 302, the first liquid level sensor 304, the second liquid level sensor 402, the second PH sensor 702, the third liquid level sensor 708 and the fourth liquid level sensor 802 to control the fan 203, the first motor 303, the liquid adding submersible pump 407, the first electromagnetic valve 709, the second electromagnetic valve 706, the status indicator lamp 603, the horn 601 and the liquid adding submersible pump 807 to operate, the status indicator lamp 603 is configured to display the operating status of the gas acidity on-line detection apparatus, when the status indicator lamp 603 displays a green light, the gas acidity on-line detection apparatus operates normally, when the status indicator lamp 603 displays a red light, the horn 601 is configured to give an alarm sound to remind a worker to timely replenish water into the second liquid storage tank 401 through the liquid adding port 403 when the liquid level inside the second liquid storage tank 401 is too low, meanwhile, when the liquid level inside the fourth liquid storage barrel 801 is lower than a set value, the horn 601 sends an alarm to notify a worker to add alkali liquor into the fourth liquid storage barrel 801 in time, the power switch 605 is used for controlling the on-line detection equipment for gas acidity to be powered on and powered off, and the touch display screen 604 is used for controlling the on-line detection equipment for gas acidity and displaying the running state of each electrical component of the on-line detection equipment for gas acidity.

It should be noted that the controller 607 can be a PLC controller, and the communication module 608 includes at least one of a wireless network card, a Lora communication module, an NB-iot communication module, a 4G communication module, and a 5G communication module.

The working principle of the invention is as follows: when the gas collecting hood 201 is used, the gas collecting hood 201 is placed above equipment for discharging waste gas, the discharged waste gas is sucked into the gas collecting hood 201 by the fan 203 and is input into the first liquid storage barrel 301 through the gas collecting pipe 202, then the waste gas is uniformly distributed by the distributor 307 and then is introduced into water in the first liquid storage barrel 301, meanwhile, the first stirring shaft 305 is driven by the first motor 303 to drive the first stirring blade 306 to stir liquid in the first liquid storage barrel 301, so that acidic substances in the waste gas are fully dissolved in the water, the accuracy of a detection result of the first PH sensor 302 is improved, the purpose of on-line detection of gas acidity is realized, the detection result is uploaded to the controller 607 by the first PH sensor 302, and the controller 607 controls the touch display screen 604 to display the detection result;

after the detection is finished, the controller 607 controls the first electromagnetic valve 709 to open, the used detection liquid in the first liquid storage barrel 301 flows into the third liquid storage barrel 701 through the connecting pipe 710 for neutralization reaction, at the moment, the controller 607 controls the dosing submersible pump 807 to start pumping the alkali liquid stored in the fourth liquid storage barrel 801 into the third liquid storage barrel 701 through the dosing pipe 806, when the liquid level in the third liquid storage barrel 701 reaches a set value, the dosing submersible pump 807 automatically stops working, then the second motor 703 is started to drive the second stirring shaft 704 to drive the second stirring blade 705 to stir the liquid in the third liquid storage barrel 701 so that the neutralization reaction is thorough, and when the PH value of the second PH sensor 702 is 7, the controller 607 controls the second electromagnetic valve 706 to open to discharge the neutralized liquid through the liquid discharge pipe 707;

when the liquid storage device is used next time, the liquid adding submersible pump 407 is controlled through the touch display screen 604 to start adding the pure water in the second liquid storage barrel 401 into the first liquid storage barrel 301, and when the liquid level in the first liquid storage barrel 301 reaches a set value, the liquid adding submersible pump 407 automatically stops working; the dosing submersible pump 807 is controlled through the touch display screen 604 to start to pump the alkali liquor stored in the fourth liquid storage barrel 801 into the third liquid storage barrel 701 through the dosing pipe 806, and the dosing submersible pump 807 automatically stops working when the liquid level in the third liquid storage barrel 701 reaches a set value.

The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments to equivalent variations, without departing from the spirit of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.