1. An aeration device, comprising:

the aeration component is vertically arranged, and a first channel which is used for gas to circulate from top to bottom is arranged in the aeration component, wherein the two ends of the first channel are respectively provided with a gas inlet end and a gas outlet end, the gas inlet end is communicated with the fan through a hose, and the gas outlet end is provided with a gas outlet and a plug for sealing the gas outlet end;

the sludge suction assembly is vertically arranged, a second channel which is used for circulating sewage from bottom to top and is communicated with the first channel is arranged in the sludge suction assembly, wherein the two ends of the second channel are respectively a water inlet end and a water outlet end, and the plane where the water inlet end is located and the plane where the air outlet hole is located form a height difference;

the diffusion component is used for diffusing the sewage mixture after aeration and is positioned at the water outlet end, wherein the aeration component and the diffusion component are detachably connected, and diffusion holes are formed in the diffusion component.

2. An aeration apparatus according to claim 1, wherein a gas-liquid mixing pipe is provided between the first channel and the second channel, and both ends of the gas-liquid mixing pipe are connected to the diffuser assembly and the sludge suction assembly, respectively, wherein a third channel for mixing gas and sewage is provided in the gas-liquid mixing pipe, and the first channel is embedded in the third channel.

3. An aeration device according to claim 2, wherein both ends of the gas-liquid mixing pipe are respectively connected with the diffusion component and the sludge suction component in a nested manner.

4. An aeration device according to any one of claims 2 or 3, wherein the aeration assembly comprises an air inlet pipe which is vertically distributed and is internally provided with the first channel, and the air inlet end and the air outlet end are respectively arranged at two ends of the air inlet pipe, wherein the pipe wall of the air inlet pipe is provided with a projection part, and the projection part corresponds to the position of the third channel.

5. An aeration device according to claim 4, wherein the outlet end of the inlet pipe where the outlet holes are located extends into the second passage.

6. An aeration apparatus according to claim 2 or 3, wherein the mud suction assembly comprises a mud suction cover connected to the gas-liquid mixing pipe, and a pre-cast concrete filler is disposed in the mud suction cover, wherein the second channel is located between an inner wall of the mud suction cover and an outer wall of the concrete filler, and the mud suction cover and the concrete filler are connected through a support bracket.

7. An aeration apparatus according to claim 6, wherein the sludge suction hood is formed in a horn shape, wherein the end of the sludge suction hood having a smaller diameter is connected to the gas-liquid mixing pipe, and the concrete filler is provided at the end of the sludge suction hood having a larger diameter.

8. An aeration device according to claim 7, wherein a groove is provided in the concrete filler near the end of the suction cover with the smaller diameter, and the air outlet end of the air inlet pipe where the air outlet is located is embedded in the groove.

9. An aeration apparatus according to claim 4, wherein the diffuser assembly includes a diffuser cap, and one end of the diffuser cap is connected to the gas-liquid mixing pipe, and the other end of the diffuser cap is provided with a fixing rod detachably connected to the gas inlet pipe, wherein the diffuser cap is provided with the diffuser holes.

10. An aeration apparatus according to claim 9, wherein the diffuser is formed in a horn shape, wherein the end of the diffuser having a smaller diameter is connected to the gas-liquid mixing pipe, and the fixing rod is connected to the end of the diffuser having a larger diameter.

Background

In the aerobic biochemical stage of wastewater treatment, the aerobic aeration device is the main component of wastewater treatment. At present, the adopted aeration devices mainly comprise perforated pipe aeration and micropore aeration. Wherein, the aeration of the perforated pipes is generally to uniformly open holes on the pipes, then the perforated pipes are uniformly arranged at the bottom of the aeration tank, and then the aeration is carried out to form vertical circulation and stir and mix sewage, thus realizing biochemical treatment. And the microporous aeration adopts a tubular microporous hose aerator or a disc-shaped diaphragm microporous aerator.

However, in the practical application of sewage treatment at present, biological films are easily attached to the inner part and the position of the aeration pipe for aeration of the perforated pipe along with the time, so that biological adhesion dirt is generated, and finally, blockage of some holes and local pipelines can be caused.

In addition, the microporous aeration generally comprises a tubular microporous hose aerator and a membrane microporous aerator, wherein, when the tubular microporous hose aerator is in actual operation, because the aeration hose is in a circular tube shape, the gas in the aeration hose directly enters the circular tube and overflows from micropores of the aeration hose after passing through the circular tube. Because the tubular microporous hose aerator is usually horizontally arranged in a water tank, the air flow generally overflows upwards, so that the air output quantity of the aeration hose in the tubular microporous hose aerator, which is close to the surface of the water tank, is larger, and the air output quantity of the aeration hose far away from the surface of the water tank is smaller, and the air output mode causes the top of the aeration hose in the tubular microporous hose aerator to generate premature working fatigue due to excessive local air output quantity, so that the aging speed of the aeration hose is accelerated, and the service life of the tubular microporous hose aerator is shortened.

Aiming at the aeration membrane of the membrane microporous aerator, because the aeration membrane has elasticity and the micropores can automatically expand and contract, the phenomenon that the pores of the traditional aerator are easily blocked is avoided. However, the microporous membrane is likely to be broken.

In summary, the aeration device has the corresponding problem of blockage or damage regardless of whether perforated pipe aeration or micropore aeration is selected, and after the blockage or damage occurs, parts in the aeration device need to be maintained, and a general maintenance mode needs to firstly evacuate water in the equipment, then carry out fillers (the fillers are materials for biological treatment), and finally, maintainers enter the inside of the equipment for maintenance operation, and the maintenance mode is difficult and has high safety risk.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an aeration device which is convenient to maintain.

The purpose of the invention can be realized by the following technical scheme: an aeration device comprising:

the aeration component is vertically arranged, and a first channel which is used for gas to circulate from top to bottom is arranged in the aeration component, wherein the two ends of the first channel are respectively provided with a gas inlet end and a gas outlet end, the gas inlet end is communicated with the fan through a hose, and the gas outlet end is provided with a gas outlet and a plug for sealing the gas outlet end;

the sludge suction assembly is vertically arranged, a second channel which is used for circulating sewage from bottom to top and is communicated with the first channel is arranged in the sludge suction assembly, wherein the two ends of the second channel are respectively a water inlet end and a water outlet end, and the plane where the water inlet end is located and the plane where the air outlet hole is located form a height difference;

the diffusion component is used for diffusing the sewage mixture after aeration and is positioned at the water outlet end, wherein the aeration component and the diffusion component are detachably connected, and diffusion holes are formed in the diffusion component.

In the above aeration device, a gas-liquid mixing pipe is arranged between the first channel and the second channel, and two ends of the gas-liquid mixing pipe are respectively connected with the diffusion component and the sludge suction component, wherein a third channel for mixing gas and sewage is arranged in the gas-liquid mixing pipe, and the first channel is embedded in the third channel.

In the aeration device, two ends of the gas-liquid mixing pipe are respectively connected with the diffusion component and the mud suction component in a nested manner.

In the above aeration apparatus, the aeration assembly includes an air inlet pipe vertically distributed and having the first channel therein, and the air inlet end and the air outlet end are respectively disposed at two ends of the air inlet pipe, wherein the pipe wall of the air inlet pipe is provided with a protruding portion corresponding to the third channel.

In the above aeration apparatus, the air outlet end of the air inlet pipe where the air outlet hole is located extends into the second channel.

In foretell aeration equipment, inhale the mud subassembly and include the mud cover of inhaling that links to each other with the gas-liquid mixing pipe, and be provided with the concrete filler that the precast formed in inhaling the mud cover, wherein, the second passageway is located and inhales between the inner wall of mud cover and the outer wall of concrete filler, and inhales and links to each other through the bearing support between mud cover and the concrete filler.

In the aeration device, the mud absorbing cover is arranged in a horn shape, wherein one end of the mud absorbing cover with a smaller caliber is connected with the gas-liquid mixing pipe, and the concrete filler is arranged at one end of the mud absorbing cover with a larger caliber.

In the above aeration apparatus, a groove is provided at an end of the concrete filler near the smaller caliber of the mud suction cover, wherein an air outlet end of the air inlet pipe where the air outlet hole is located is embedded in the groove.

In the above aeration apparatus, the diffusion assembly includes a diffusion cover, one end of the diffusion cover is connected to the gas-liquid mixing pipe, the other end of the diffusion cover is provided with a fixing rod detachably connected to the gas inlet pipe, wherein the diffusion cover is provided with diffusion holes.

In the above aeration apparatus, the diffusion cover is in a horn shape, wherein the end of the diffusion cover with the smaller diameter is connected to the gas-liquid mixing pipe, and the fixing rod is connected to the end of the diffusion cover with the larger diameter.

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

(1) according to the aeration device provided by the invention, vertical aeration sewage treatment is adopted, the aeration component and the diffusion component are detachably connected through the binding band, the diffusion component is close to the sewage level, when the air outlet on the aeration component is blocked, a worker can directly detach the aeration component from the diffusion component and dredge the air outlet, the maintenance is convenient and reliable, and the maintenance work efficiency is improved.

(2) And the aeration circulation treatment of the sewage is formed through the first channel, the second channel and the third channel, so that the sludge in the sewage is prevented from being deposited or accumulated in a large amount to form 'dead sludge', and the aeration effect of the sewage is further improved. In addition, the first channel and the third channel form an inner-outer nested structure, so that the height of the aeration device in the vertical direction is shortened, and the structure of the whole aeration device is more compact.

(3) The tube wall of the air inlet tube is provided with the stabbing projection part, so that bubbles in the sewage mixture can be cut to form a large amount of micro bubbles, the gas and the sewage are fused more sufficiently, the content of dissolved oxygen in the sewage is increased, and the aeration effect of the sewage is improved. In addition, because the thorn lug boss sets up on the pipe wall of intake pipe, when the winding has impurity and takes place to block up on the thorn lug boss, directly take off the intake pipe from diffusion subassembly and clear up or change, then insert the gas-liquid mixture pipe again and bind on diffusion subassembly can, convenient operation, reliable.

(4) The end of giving vent to anger at venthole place stretches into in the second passageway in, make from the venthole outflow gas can earlier carry out "premixing" with the sewage in the second passageway, can "prolong" the stroke that gas and sewage mix on the one hand, improve the mixing effect of gas and sewage, on the other hand the inside and outside produced "initial position" of "pressure differential" of gas-liquid mixture pipe is close to in the end of intaking of second passageway, thereby the speed of sewage inflow second passageway is accelerated, and then accelerate the aeration efficiency of sewage.

(5) The utility model discloses a sewage treatment device, including aeration equipment, sewage, mud suction cover, the pump.

(6) Because the venthole is in when the injection gas in the intake pipe, the intake pipe frequently moves along the length direction of intake pipe under the gaseous reaction of injection, and through set up the recess on the concrete packing to with the end nestification of giving vent to anger of intake pipe in the recess, thereby it is fixed to provide the bearing for the end of giving vent to anger of intake pipe, wherein, the size and the degree of depth of recess are good with giving vent to anger that does not influence the venthole, and then improve the aeration effect of sewage.

(7) The diffusion cover is arranged in a horn shape, so that the outflow of the sewage mixture after aeration is accelerated, and the circulation speed of sewage aeration treatment is further accelerated.

Drawings

FIG. 1 is a schematic view showing the structure of an aeration apparatus according to the present invention.

FIG. 2 is a schematic view of another aspect of an aeration apparatus according to the present invention.

Fig. 3 is a sectional view a-a shown in fig. 2.

Fig. 4 is an enlarged view of a portion a in fig. 3.

In the figure, 100, an aeration component; 110. a first channel; 120. an air outlet; 130. a plug; 140. an air inlet pipe; 150. a hose; 160. a stabbing part; 170. a gas supply main pipe; 200. a mud suction assembly; 210. a second channel; 220. a mud suction cover; 230. a concrete filler; 231. a groove; 240. a supporting bracket; 300. a diffusion component; 310. a diffusion hole; 320. a diffusion cover; 330. fixing the rod; 400. a gas-liquid mixing pipe; 410. a third channel.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

As shown in fig. 1 to 4, the present invention provides an aeration apparatus, comprising:

the aeration assembly 100 is vertically arranged, and a first channel 110 which is used for gas to circulate from top to bottom is arranged in the aeration assembly 100, wherein the two ends of the first channel 110 are respectively an air inlet end and an air outlet end, the air inlet end is higher than the sewage level and is communicated with a fan (not shown in the figure), and the air outlet end is provided with an air outlet 120 and a plug 130 for sealing the air outlet end;

the sludge suction assembly 200 is vertically arranged, and a second channel 210 which is used for circulating sewage from bottom to top and is communicated with the first channel 110 is arranged in the sludge suction assembly 200, wherein the two ends of the second channel 210 are respectively a water inlet end and a water outlet end, and the plane where the water inlet end is located and the plane where the air outlet hole 120 is located form a height difference;

a diffusion component 300 for diffusing the sewage mixture after aeration, wherein the diffusion component 300 is located at the water outlet end, the aeration component 100 is detachably connected with the diffusion component 300 through a binding band, and the diffusion component 300 is provided with diffusion holes 310.

In this embodiment, the aeration assembly 100 and the diffusion assembly 300 can be detachably connected not only by a strap, but also by other connection methods, wherein the strap connection is only a common connection method, but not limited thereto.

According to the aeration device provided by the invention, vertical aeration sewage treatment is adopted, the aeration component 100 and the diffusion component 300 are detachably connected through a binding band, the diffusion component 300 is close to the sewage level, when the air outlet 120 on the aeration component 100 is blocked, a worker can directly detach the aeration component 100 from the diffusion component 300 and dredge the air outlet 120, the maintenance is convenient and reliable, and the maintenance working efficiency is improved.

Further preferably, a gas-liquid mixing pipe 400 is arranged between the first channel 110 and the second channel 210, and two ends of the gas-liquid mixing pipe 400 are respectively connected with the diffusion assembly 300 and the sludge suction assembly 200, wherein a third channel 410 for mixing gas and sewage is arranged in the gas-liquid mixing pipe 400, and the first channel 110 is embedded in the third channel 410.

In this embodiment, after the sewage and the gas are sufficiently mixed in the third channel 410, the pressure of the mixture in the third channel 410 is decreased, so that a "pressure difference" is formed between the inside and the outside of the gas-liquid mixing pipe 400, thereby ensuring that the water inlet end of the second channel 210 continuously has the sewage to enter, pushing the sewage mixture (the sewage mixture is a short form of a mixed product of the gas and the sewage, and will be described below by taking the sewage mixture as an example) to the diffusion assembly 300, and returning the sewage mixture back to the sewage through the diffusion holes 310, thereby forming an aeration cycle treatment of the sewage, preventing a large amount of sludge in the sewage from being deposited or accumulated to form "dead sludge", and further improving the aeration effect of the sewage. In addition, the first channel 110 and the third channel 410 form an inside-outside nested structure, so that the height of the aeration device in the vertical direction is shortened, and the structure of the whole aeration device is more compact.

Further preferably, the gas-liquid mixing pipe 400 is in nested fit with the diffusion assembly 300, and the gas-liquid mixing pipe 400 is in nested fit with the sludge suction assembly 200, so that the sealing performance between the gas-liquid mixing pipe 400 and the diffusion assembly 300 and between the gas-liquid mixing pipe 400 and the sludge suction assembly 200 is improved, the sewage mixture is prevented from overflowing from the splicing part, and the aeration effect of the sewage is improved.

Preferably, the aeration assembly 100 includes an air inlet pipe 140 vertically disposed and having the first channel 110 therein, one end of the air inlet pipe 140 is connected to the blower through a hose 150, and the other end of the air inlet pipe 140 is provided with an air outlet 120, wherein the pipe wall of the air inlet pipe 140 is provided with a spike portion 160, and the spike portion 160 corresponds to the position of the third channel 410.

In this embodiment, the tube wall of the air inlet tube 140 is provided with the protruding part 160, so that bubbles in the sewage mixture can be cut into a large number of micro bubbles, the gas and the sewage are more sufficiently fused, the content of dissolved oxygen in the sewage is increased, and the aeration effect of the sewage is further improved. In addition, because the protruding part 160 is disposed on the wall of the gas inlet pipe 140, when the protruding part 160 is clogged due to impurities, the gas inlet pipe 140 is directly removed from the diffuser assembly 300 for cleaning or replacement, and then the gas-liquid mixing pipe 400 is inserted into the diffuser assembly 300 and is bound to the diffuser assembly 300, which is convenient and reliable to operate.

Further preferably, the spikes 160 are formed of a plurality of metal wires or rigid plastic wires in a wound shape.

Preferably, the air outlet end of the air outlet hole 120 of the air inlet pipe 140 extends into the second channel 210, so that the air flowing out of the air outlet hole 120 can be premixed with the sewage in the second channel 210, on one hand, the mixing stroke of the air and the sewage can be prolonged, the mixing effect of the air and the sewage is improved, on the other hand, the initial position of the pressure difference generated inside and outside the air-liquid mixing pipe 400 is close to the water inlet end of the second channel 210, the speed of the sewage flowing into the second channel 210 is accelerated, and the aeration efficiency of the sewage is accelerated.

Preferably, the mud suction assembly 200 includes a mud suction cover 220 connected to the gas-liquid mixing pipe 400, and a pre-cast concrete filler 230 is disposed in the mud suction cover 220, wherein a second channel 210 is disposed between an inner wall of the mud suction cover 220 and an outer wall of the concrete filler 230, and the mud suction cover 220 is connected to the concrete filler 230 through a support bracket 240.

Further preferably, the mud absorbing cover 220 is arranged in a trumpet shape, wherein the end of the mud absorbing cover 220 with the smaller caliber is connected with the gas-liquid mixing pipe 400, and the concrete filler 230 is arranged at the end of the mud absorbing cover 220 with the larger caliber.

In this embodiment, the concrete filler 230 is connected to the sludge suction cover 220, so as to reduce the center of gravity of the aeration apparatus, prevent the aeration apparatus from falling down in the sewage, and improve the reliability of the aeration apparatus in aeration treatment of the sewage, in addition, the sludge suction cover 220 is set to be horn-shaped, in order to prevent the sludge from blocking the second channel 210, and expand the "radiation range" of aeration, thereby improving the working efficiency of the sewage, and the number of aeration apparatuses to be placed in the sewage area can be accurately calculated through the parameter value relationship among the cross section of the second channel 210, the circulation speed of the sewage, and the cross section of the horn-shaped opening of the sludge suction cover 220, thereby improving the operability.

Further preferably, a groove 231 is formed in the concrete filler 230 near the end with the smaller caliber of the mud suction cover 220, wherein the air outlet end of the air inlet pipe 140 where the air outlet hole 120 is located is embedded in the groove 231.

In this embodiment, when the air outlet 120 of the air inlet pipe 140 is located at the position of the air outlet, the air inlet pipe 140 frequently moves along the length direction of the air inlet pipe 140 under the reaction force of the injected air, and the groove 231 is formed in the concrete filler 230, and the air outlet end of the air inlet pipe 140 is nested in the groove 231, so that the air outlet end of the air inlet pipe 140 is supported and fixed, wherein the size and the depth of the groove 231 are better without affecting the air outlet of the air outlet 120, and the aeration effect of the sewage is further improved.

Preferably, the diffusion assembly 300 includes a diffusion cover 320, one end of the diffusion cover 320 is connected to the gas-liquid mixing pipe 400, the other end of the diffusion cover 320 is provided with a fixing rod 330 fixed to the gas inlet pipe 140, and the diffusion cover 320 is provided with a diffusion hole 310.

Further preferably, the diffusion cover 320 is formed in a trumpet shape, wherein the end of the diffusion cover 320 with a smaller diameter is connected to the gas-liquid mixing pipe 400, and the fixing rod 330 is connected to the end of the diffusion cover 320 with a larger diameter.

In this embodiment, the diffusion cover 320 is formed in a horn shape, so as to increase the mixing range of the sewage mixture after aeration and the sewage outside the device, and further improve the aeration efficiency of the sewage.

Preferably, when the number of the aeration apparatuses is plural, the hose 150 connected to the air intake pipe 140 in each aeration apparatus is integrally connected to the air supply manifold 170, wherein the air supply manifold 170 is connected to the blower fan.

It should be noted that the descriptions related to "first", "second", "a", etc. in the present invention are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or implicit indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. The terms "connected," "fixed," and the like are to be construed broadly, e.g., "fixed" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.