1. A rural domestic sewage purification tank comprises a tank body which is transversely arranged, wherein a water inlet pipe is arranged at the first end of the tank body, a water outlet pipe is arranged at the second end of the tank body, a plurality of partition plates are arranged in the tank body, the tank body is divided into a precipitation bin, an anaerobic bin, an aerobic bin and a filtering bin from the water inlet pipe to the water outlet pipe by the partition plates, and a plurality of maintenance ports are also arranged on the tank body;

the isolation filtering device comprises a first filtering layer arranged at the water outlet end of the anaerobic bin;

the water outlet filtering device comprises a second filtering layer arranged at the water outlet end of the filtering bin.

2. The rural domestic sewage purification tank as claimed in claim 1, wherein a first transverse partition is disposed at the upper end of the settling bin, a water inlet bin is formed between the first partition and the tank body, a water inlet is disposed on the first partition, a collecting tank is disposed at the middle position of the filter screen, a support ring is disposed at the edge of the filter screen, and a first access hole is disposed at the position corresponding to the water inlet on the tank body.

3. The rural domestic sewage purification tank as claimed in claim 1, wherein a second partition is disposed between the settling bin and the anaerobic bin, the second partition comprises a second water baffle, a second water passing channel is disposed between the second water baffle and the upper wall of the tank body, a second downward filter plate is disposed at the second water passing channel, and a water passing hole is disposed at the lower end of the second filter plate.

4. The rural domestic sewage purification tank of claim 1, wherein an upper layer disturbing device is arranged in the anaerobic bin, the upper layer disturbing device comprises a mounting opening arranged at the upper end of the tank body, a downward pull rope is arranged at the mounting opening, and a strain box is arranged on the pull rope.

5. The rural domestic sewage purification tank of claim 1, wherein the anaerobic tank is provided with a lower layer disturbance device, the lower layer disturbance device comprises a vertical pipe arranged on the tank body, the vertical pipe is provided with a buffer bin, the outer diameter of the buffer bin is larger than that of the vertical pipe, and the upper end of the vertical pipe is communicated with the atmosphere.

6. The rural domestic sewage purification tank of claim 1, wherein a stirring device is arranged in the aerobic chamber, the stirring device comprises a stirring rod, the lower end of the stirring rod is provided with a helical blade, and the upper end of the stirring rod is provided with a stirring driving device.

Background

The rural domestic wastewater troubles the important problem of rural environment, and the wastewater cannot be treated in a centralized manner due to low rural intensification degree.

In order to solve the problem of rural wastewater treatment, people develop various methane tanks and methane wells, and further generate methane through wastewater to decompose organic matters in the wastewater so as to achieve the purposes of purifying environment and recycling energy, a Chinese tank is one of the methane tanks and is widely welcomed, and particularly a Chinese tank horizontal tank produced by a company Limited in environmental science and technology is widely welcomed, so that the requirements of customers on the functions, installation modes and the like of 5-30 tons of small centralized sewage treatment equipment are fully met.

The china pot mainly includes the jar body of horizontal setting, the first end of the jar body is provided with the inlet tube, the second end of the jar body is provided with the outlet pipe, the internal a plurality of baffles that are provided with of jar, a plurality of baffles separate the jar body from the inlet tube for settling bin, anaerobic storehouse, aerobic storehouse, filtration storehouse, still be provided with a plurality of access holes on the jar body, deposit mud through settling bin, carry out anaerobic fermentation through anaerobic storehouse, produce marsh gas, decompose the organic matter, degrade COD through aerobic storehouse, and then make the play water COD value low, the pollution abatement.

However, the filtering and isolating effects among the cabin bodies of the existing Chinese tank are poor, a three-phase separator is generally used, the structure of the three-phase separator is complex, the three-phase separator is easy to block, and the maintenance is troublesome.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a rural domestic sewage purification tank which has a good isolation effect between bin bodies and is convenient to clean.

The invention is realized by the following technical scheme: a rural domestic sewage purification tank comprises a tank body which is transversely arranged, wherein a water inlet pipe is arranged at a first end of the tank body, a water outlet pipe is arranged at a second end of the tank body, a plurality of partition plates are arranged in the tank body and divide the tank body into a precipitation bin, an anaerobic bin, an aerobic bin and a filtering bin from the water inlet pipe to the water outlet pipe, a plurality of maintenance ports are further arranged on the tank body, a water inlet filtering device is arranged between the water inlet pipe and the precipitation bin, an isolation filtering device is arranged between the anaerobic bin and the aerobic bin, a water outlet filtering device is arranged in the filtering bin, the water inlet filtering device comprises a water inlet bin arranged at the upper end of the precipitation bin, the water inlet bin is communicated with the water inlet pipe, a water inlet for feeding water into the precipitation bin is arranged in the water inlet bin, and a filter screen is arranged at the water inlet;

the isolation filtering device comprises a first filtering layer arranged at the water outlet end of the anaerobic bin;

the water outlet filtering device comprises a second filtering layer arranged at the water outlet end of the filtering bin.

Further, deposit the storehouse upper end and be provided with horizontal baffle one, form into the storehouse of intaking between baffle one and the jar body, set up the water inlet on the baffle one, the filter screen intermediate position is provided with the collecting vat, the filter screen edge is provided with the support ring, be provided with access hole one with the corresponding position department of water inlet on the jar body.

Further, a second partition plate is arranged between the sedimentation bin and the anaerobic bin and comprises a second water baffle plate, a second water passing channel is arranged between the second water baffle plate and the upper wall of the tank body, a second downward filter plate is arranged at the second water passing channel, and a water passing hole is formed in the lower end of the second filter plate.

Further, be provided with upper disturbance device in the anaerobic storehouse, upper disturbance device is including setting up the installing port in jar body upper end, installing port department is provided with decurrent cable, be provided with the bacterial species box on the cable.

Further, be provided with lower floor's disturbance device in the anaerobic storehouse, lower floor's disturbance device is including setting up the standpipe on the jar body, be provided with the surge bin on the standpipe, the external diameter of surge bin is greater than the external diameter of standpipe, standpipe upper end and atmosphere intercommunication.

Further, be provided with agitating unit in the good oxygen storehouse, agitating unit includes the puddler, the puddler lower extreme is provided with helical blade, the puddler upper end is provided with stirring drive arrangement.

The invention has the beneficial effects that: rural domestic sewage purification groove, including the horizontal jar body that sets up, the first end of jar body is provided with the inlet tube, the second end of jar body is provided with the outlet pipe, the internal a plurality of baffles that are provided with of jar, a plurality of baffles divide the jar body into from the inlet tube to the outlet pipe and deposit storehouse, anaerobism storehouse, good oxygen storehouse, filter storehouse, still be provided with a plurality of access holes on the jar body, be provided with into water filter equipment between inlet tube and the deposit storehouse, be provided with the separation filter equipment between anaerobism storehouse and the good oxygen storehouse, be provided with out water filter equipment in the filter storehouse, it includes the intake storehouse that sets up in the deposit storehouse upper end to intake water filter equipment, intake storehouse and inlet tube intercommunication, intake storehouse is provided with the water inlet to deposit the storehouse and intakes, and intake mouth department is provided with the filter screen, through the filter screen, can keep apart massive debris, to getting into the deposit storehouse, the isolation filtering device comprises a first filtering layer arranged at the water outlet end of the anaerobic bin, sludge can be prevented from entering the aerobic bin through the first filtering layer, a large amount of organic matters are isolated in the anaerobic bin, the COD (chemical oxygen demand) of the outlet water is reduced, and the yield of methane is improved; the water outlet filtering device comprises a second filtering layer arranged at the water outlet end of the filtering bin, water outlet filtering can be achieved through the second filtering layer, the sewage filtered through the first filtering layer is low in particle content, and then the sewage is filtered through the second filtering layer, so that the COD value of the outlet water is low, and the purpose of purifying the sewage is achieved.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic sectional front view showing embodiment 1;

FIG. 3 is a schematic top view of the partition;

FIG. 4 is a schematic view of a screen configuration;

FIG. 5 is a schematic front cross-sectional view of a support ring;

FIG. 6 is a left side view of the second filter plate;

FIG. 7 is a schematic structural diagram of an upper layer perturbation device;

FIG. 8 is a schematic front sectional view of the strain box;

FIG. 9 is a schematic structural diagram of a lower layer perturbation device;

FIG. 10 is a schematic view of a baffle structure;

wherein: 1-tank body, 2-bracket, 3-water inlet pipe, 4-access opening, 5-hood, 6-ventilation opening, 7-water outlet pipe, 8-water inlet bin, 9-precipitation bin, 10-partition plate two, 11-upper layer disturbance device, 12-lower layer disturbance device, 13-heat conduction pipe, 14-partition plate three, 15-filter layer one, 16-partition plate four, 17-disturbance hole, 18-stirring rod, 19-baffle plate, 20-filter layer two, 21-partition plate five, 22-water through opening, 23-partition plate one, 24-support plate, 25-water inlet, 26-filter screen, 27-support ring, 28-connecting rod, 29-suspension ring, 30-upper compression ring, 31-lower compression ring and 32-connecting hole, 33-a second filter plate, 34-a water through hole, 35-a glue distribution port, 36-a sealing cap, 37-a boss, 38-a hanging ring, 39-a connecting ring, 40-a pull rope, 41-a strain box, 42-an upper cover, 43-a connecting plate, 44-a strain bag, 45-a vertical pipe and 46-a buffer bin.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-9, a rural domestic sewage purifies groove, including the jar body 1 of horizontal installation, the jar body is the glass steel jar body, corrosion resisting property is high, the cross section is circular or oval, in this embodiment, choose for use circularly, structural stability is high, inlet tube 3 is installed to the first end of the jar body, outlet pipe 7 is installed to the second end of the jar body, the mounting height of inlet tube and outlet pipe is the same, and all install the upper end at the jar body, a plurality of baffles are installed to the jar body, a plurality of baffles separate the jar body from the inlet tube to the outlet pipe for settling chamber 9, the anaerobism storehouse, the good oxygen storehouse, filter the storehouse, still install a plurality of access holes 4 on the jar body, support 2 is installed to jar body lower extreme, insert the ground when burying.

Specifically, a water inlet filtering device is arranged between a water inlet pipe and a precipitation bin, the water inlet filtering device comprises a water inlet bin 8 arranged at the upper end of the precipitation bin, the water inlet bin is communicated with the water inlet pipe, the water inlet bin is provided with a water inlet 25 for feeding water to the precipitation bin, a filter screen 26 is arranged at the water inlet, for convenient manufacture, a transverse first partition plate 23 is arranged at the upper end of the precipitation bin through resin adhesive, an upward supporting plate 24 is integrally formed at the edge of the first partition plate, the supporting plate is connected with the upper wall of a tank body through the resin adhesive, the water inlet bin is formed between the first partition plate and the tank body, the water inlet is arranged on the first partition plate, the water inlet is processed into a round water inlet, the middle position of the filter screen is downwards sunken to form a collecting tank, sundries can be concentrated, in the embodiment, the collecting tank is made into a barrel shape, the filter screen is a stainless steel mesh and is downwards inserted into the water inlet, the shaking prevention can be well supported, and a support ring 27 is arranged at the edge of the filter screen, the support ring comprises an upper compression ring 30 and a lower compression ring 31, the upper compression ring and the lower compression ring are aluminum alloy rings and have better corrosion resistance, the edge of the filter screen is coated with resin glue and is further fixed with the upper compression ring and the lower compression ring, after the fixing, a connecting hole 32 is processed on the support ring, the connecting hole is a threaded hole, a suspension ring 29 is coaxially arranged on the upper side of the support ring, the suspension ring is an aluminum alloy ring, the suspension ring and the support ring are connected through a plurality of connecting rods 28 and threaded holes which are uniformly installed, a first maintenance opening is processed on the tank body at a position corresponding to the water inlet, the outer diameter of the suspension ring is larger than the diameter of the first maintenance opening, the suspension ring is suspended at the first maintenance opening, the filter screen is conveniently taken out at regular intervals for cleaning, when the filter screen is taken out, the filter screen is rotated for shaking, residual silt is removed, the filter screen can isolate massive sundries from the precipitation bin, can also cut to achieve the effect of crushing.

A second partition plate 10 is arranged between the sedimentation bin and the anaerobic bin, the second partition plate comprises a second water baffle plate, a second water passing channel is arranged between the second water baffle plate and the upper wall of the tank body, a second downward filter plate 33 is arranged at the second water passing channel, the second water baffle plate and the second filter plate are both made of glass fiber reinforced plastics, the thickness of the second water baffle plate and the second filter plate is 10mm, the second water baffle plate and the second filter plate are fixed with the inner wall of the tank body through resin adhesive and can play a good supporting role, the upper end of the second water baffle plate is overlapped with the lower end of the second filter plate, the distance between the second water baffle plate and the second filter plate is 4mm, a water passing hole 34 is processed at the lower end of the second filter plate, the water passing hole is provided with a plurality of layers from bottom to top, the aperture value of the water passing hole is gradually reduced from bottom to top, when water flows upwards, the particulate matter that carries is few, and the foam is destroyed, is filtered by the water hole of crossing on upper portion, guarantees the interior marsh gas quality of anaerobism storehouse, in addition, has cloth jiao kou 35 in two lower extreme edge processing of filter, and it glues to fill the resin in cloth jiao kou, strengthens the filter two and jar body between be connected.

An upper layer disturbance device 11 and a lower layer disturbance device 12 are arranged in the anaerobic bin, and can stir in the anaerobic reaction process to improve the anaerobic reaction efficiency, the upper layer disturbance device comprises an installation opening processed at the upper end of a tank body, a downward stay cable 40 is arranged at the installation opening, a strain box 41 is arranged on the stay cable, specifically, a plurality of installation openings are added on the tank body, a sealing cap 36 is arranged at the installation opening in a sealing way, in order to facilitate installation, the sealing cap is in threaded connection with the installation opening, the sealing cap is a plastic cap, a lifting ring 38 is arranged at the upper end of the sealing cap through a boss 37, in order to facilitate manufacture, the sealing cap, the boss and the lifting ring are integrally molded and are convenient to manufacture, the sealing cap is connected with a connecting ring 39, in order to facilitate manufacture, the connecting ring selects a lifting ring screw, the lifting ring screw comprises a ring part and a screw part, the ring part is used as a connecting ring, the screw part is screwed into the sealing cap and is opposite to the boss, and then guarantee connection stability, the cotton thread is chooseed for use to the cable, alcohol soaking treatment, can improve life under the microbial corrosion condition, the bacterial box includes upper shield 42 and lower cover, through connecting plate 43 and bolted connection between upper shield and the lower cover, place the bacterial package in the bacterial box, conveniently in time supply, the bacterial box has a plurality ofly, connect through the cable, and then supply the anaerobism bacterial to the water of co-altitude not, at the in-process that the rivers flow, and the marsh gas homoenergetic promotion bacterial box swing of production, reach the purpose of disturbance upper portion sewage.

The lower layer disturbance device comprises a vertical pipe 45 arranged on a tank body, a buffer bin 46 is arranged on the vertical pipe, the outer diameter of the buffer bin is larger than that of the vertical pipe, the upper end of the vertical pipe is communicated with the atmosphere, specifically, a sealing cap is arranged at the mounting opening, an opening is formed in the middle position of the sealing cap, the vertical pipe is inserted into the vertical pipe, the sealing cap is in sealing connection with the vertical pipe through resin adhesive, the vertical pipe is connected with the buffer bin close to the upper end, the working liquid level of the anaerobic bin corresponds to that, the outer diameter of the buffer bin is larger than that of the vertical pipe, namely, the buffer bin can store more sewage during working, as the upper end of the anaerobic bin is provided with sewage and the lower end is provided with more sludge, a strain box is buried in the sludge and cannot swing, a layer disturbance device is introduced, the vertical pipe is downwards inserted into the sludge layer, a plurality of disturbance holes 17 are processed on the side wall of the lower end of the vertical pipe, the upper end of the anaerobic bin is communicated with a biogas pipe with a valve, and the biogas pipe is communicated with a combustion device, in the use process, due to the fact that marsh gas is generated and gathered at the upper end of the anaerobic bin, pressure intensity is increased, the water level is lowered, the liquid level in the vertical pipe is pushed to rise, water is stored in the buffer bin, when the marsh gas is used, the pressure intensity at the upper end of the anaerobic bin is reduced, then the water level rises, sewage in the vertical pipe and the buffer bin flows back to the anaerobic bin from the lower end of the vertical pipe, stirring of the lower layer is achieved, external energy is not required to be introduced, disturbance can be achieved, and the anaerobic reaction effect is improved.

An isolation filtering device is installed between the anaerobic bin and the aerobic bin, the isolation filtering device comprises a first filtering layer installed at the water outlet end of the anaerobic bin, specifically, a third partition plate and a fourth partition plate are installed at the water outlet end of the anaerobic bin, the third partition plate is a pore plate, the third partition plate is the same as the second partition plate in structure, pumice is filled between the third partition plate and the fourth partition plate, the particle size of the pumice is 3-5mm, a first filtering layer is formed, in the process of gathering and using methane in the anaerobic bin, the water level can rise and fall, the pumice forms a floating first filtering layer, the filtering stability is further guaranteed, sludge is intercepted in the anaerobic bin by the first filtering layer, and anaerobic reaction is fully achieved.

Install agitating unit in the aerobic storehouse, agitating unit includes the puddler, helical blade is installed to the puddler lower extreme, the puddler upper end is connected with stirring drive arrangement, specifically do, form the aerobic storehouse between four and five baffles, stirring drive arrangement is for installing the hood on the jar body, the center pin and the puddler of hood are connected, through the hood, not only can accelerate the airflow exchange in aerobic storehouse and external, can also drive the puddler rotation, realize unpowered stirring, avoid the introduction of external energy, more be fit for rural use, still process the scavenge port in aerobic storehouse upper end, scavenge port department installs the baffle, can prevent that debris from exchanging the gas port and getting into the aerobic storehouse, and then avoid polluting.

Still install the heat pipe between anaerobism storehouse and good oxygen storehouse, the heat pipe is the galvanized pipe, anaerobism storehouse is the heat production at anaerobic reaction's in-process, anaerobism and organic matter content in mud are all great, the test finds, the temperature of anaerobism storehouse lower extreme is higher in the in-process of using, the harm to the jar body is great, introduce the heat pipe, the heat pipe is installed at jar body lower extreme, transmit the heat to good oxygen storehouse in, the efficiency of aerobic reaction is improved, can also avoid anaerobism storehouse local overheat, for further improvement heat conduction effect, the heat pipe is installed to good oxygen storehouse slope from anaerobism storehouse, it has alcohol to fill in the heat pipe, the packing volume is the volumetric 1/3 of heat pipe, form the gravity heat pipe, alcohol vaporizes the heat absorption in anaerobism storehouse, it is exothermic to liquefy in good oxygen storehouse, the alcohol after the liquefaction flows back to anaerobism storehouse, and then realize the heat transfer.

The filtering bin is internally provided with a water outlet filtering device, the water outlet filtering device comprises a second filtering layer arranged at the water outlet end of the filtering bin, the filtering bin is formed between a fifth partition plate and the water outlet end of the tank body, the lower end of the fifth partition plate is provided with a water passing hole, water in the filtering bin flows from bottom to top, the second filtering layer is an activated carbon layer filled in the filtering bin, the particle size of the activated carbon is 10-15mm, the thickness of the activated carbon layer is 200mm, the good adsorption effect is achieved, and aerobic bacteria are intercepted.

According to the rural domestic sewage purification tank provided by the invention, large sundries can be isolated through the filter screen, and the sundries entering the precipitation bin can be cut to achieve the crushing effect; the effluent filtering device comprises a second filtering layer arranged at the water outlet end of the filtering bin, effluent filtering can be realized through the second filtering layer, the content of particles in sewage filtered through the first filtering layer is low, and the effluent COD value is low through filtering through the second filtering layer, so that the aim of purifying the sewage is fulfilled.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.