CN110981138B

CN110981138B - Municipal new forms of energy are promoted and are used septic tank marsh gas recovery clarification plant

Info

Publication number: CN110981138B
Application number: CN201911343002.XA
Authority: CN
Inventors: 张英
Original assignee: Zhaoqing Yueneng Technology Co Ltd
Current assignee: Zhaoqing Yueneng Technology Co Ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-11-06
Anticipated expiration: 2039-12-23
Also published as: CN110981138A

Abstract

The invention provides a septic tank methane recovery and purification device for municipal new energy popularization, which comprises a methane purification tank for purifying methane in a centralized manner, a dispersed spraying mechanism for spraying and filtering the methane in a dispersed manner and an atomization cleaning mechanism for carrying out differentiated spraying treatment on the methane, wherein the dispersed spraying mechanism is arranged inside the methane purification tank, and relates to the field of new energy. This septic tank marsh gas is retrieved clarification plant for municipal new forms of energy promotes carries out cleaning treatment to methane gas through setting up two clean mechanisms that are correlated with, when two mechanisms that complement each other have shortened methane process time, the clean quality of methane has been improved, thereby effectual general marsh gas clarification plant of having solved sprays the in-process, the impurity volume that the shower water drenches marsh gas and takes away is less, gaseous still carries a large amount of slight impurity in the shower water of wearing, follow-up filtration burden is great, not only probably cause the problem that the methane loss increases also can make the process time extension.

Description

Municipal new forms of energy are promoted and are used septic tank marsh gas recovery clarification plant

Technical Field

The invention relates to the technical field of new energy, in particular to septic tank methane recycling and purifying equipment for municipal new energy popularization.

Background

The main component of the methane is methane, the methane is subjected to microbial fermentation in a septic tank to generate a combustible new energy source, the methane can replace non-renewable energy sources for use in the using process, the combustion efficiency is high, however, the methane also contains impurities such as carbon dioxide, hydrogen sulfide, saturated steam, high-carbon hydrocarbon and the like besides the main component of the methane, if the methane in the methane tank is directly applied, not only equipment corrosion can be caused, the service life of the equipment is shortened, but also sulfur dioxide generated after the hydrogen sulfide is combusted can cause harm to the environment and human health, so the methane is required to be purified before being used, the current main mode of purifying the methane is to perform desulfurization and denitrification, and then a finished product which is finally combustible and used is obtained by filtering, but in the process, because the methane quantity is large, the spray flushing mainly depends on the spraying of a desulfurizing tower, methane gas rushes out in a large number, the spray water gap is great, gaseous clean follow-up manufacturing procedure lacks the process of spraying and getting rid of impurity, the filtration burden is great, add multichannel filtering program, the assembly line is longer, it is great to lead to the methane loss volume at last, general marsh gas clarification plant sprays the in-process, the impurity volume that spray water rushes to drench marsh gas and takes away is less, gaseous still carries a large amount of slight impurity spraying aquatic and passing, follow-up filtration burden is great, not only probably cause the methane loss to increase and also can make the process time extension, so need a municipal new forms of energy to promote and use septic tank marsh gas recovery clarification plant.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides septic tank methane recovery and purification equipment for municipal new energy popularization, and solves the problems that in the spraying process of general methane purification equipment, the amount of impurities brought away by spraying methane by spraying water is less, gas still carries a large amount of fine impurities in the spraying water, the subsequent filtration burden is large, the methane loss is increased possibly, and the processing time is prolonged.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a septic tank methane recovery and purification device for municipal new energy popularization comprises a methane purification tank for purifying methane in a centralized manner, a dispersed spraying mechanism for spraying and filtering the methane in a dispersed manner and an atomization cleaning mechanism for carrying out differentiated spraying treatment on the methane, the dispersing and spraying mechanism is arranged inside the biogas purification tank, the atomization cleaning mechanism is arranged on the biogas purification tank, the atomization cleaning mechanism is positioned above the dispersion spraying mechanism, the bottom of the biogas purification tank is fixedly connected with supporting legs, the surface of the biogas purification tank is hinged with a sealing door plate, the surface of the sealing door plate is fixedly provided with a lock catch, the surface of the sealing door plate is fixedly connected with the surface of the biogas purification tank through a buckle lock, and the sealing door plate is arranged to facilitate the opening of the biogas purification tank and the replacement of an internal filtering structure and other working operations.

Preferably, the dispersing and spraying mechanism comprises a biogas gas pipe, a bottom dispersing plate, a drain pipe, a plurality of dispersing and spraying pipes, a water distribution plate and spraying tennis balls, the bottom dispersing plate is fixedly connected to the inner bottom wall of the biogas purification tank, one ends of the dispersing and spraying pipes penetrate through and extend into the bottom dispersing plate, the drain pipe is sleeved at the bottom of the bottom dispersing plate, one end of the drain pipe penetrates through and extends to the outside of the biogas purification tank, one end of the biogas gas pipe penetrates through and extends into the bottom dispersing plate, the horizontal height of one end of the biogas gas pipe, which is positioned at the bottom dispersing plate, is higher than that of one end of the drain pipe, which is positioned at the bottom dispersing plate, and the biogas gas pipe and the drain pipe are both positioned inside the dispersing plate so as to form a flowing water layer with fixed thickness inside the dispersing plate, thereby avoiding the biogas from leaking out, meanwhile, the biogas can be primarily filtered.

Preferably, the inner wall of the biogas purification tank is fixedly connected with a water distribution disc, the surface of the water distribution disc is sleeved with a pressurized water inlet pipe, the input end of the pressurized water inlet pipe is externally connected with a tap water pipe, a spraying tennis ball is arranged inside the spraying dispersion pipe, the bottom of the spraying tennis ball is sleeved with a corrugated hose, one end of the corrugated hose penetrates through the spraying dispersion pipe and extends to the inside of the water distribution disc, the inside of the spraying tennis ball is hollow, the surface of the spraying tennis ball is in a spherical hollow net shape, the surface of the spraying tennis ball is fixedly connected with a plurality of film forming nozzles, the surface of each film forming nozzle is in a fan shape, the spraying tennis ball is arranged to enable spraying water which is in a net shape without dead angles to be sprayed inside the spraying dispersion pipe to filter biogas, and the film forming nozzles are arranged to form a fully-surrounded water film on the inner wall of the spraying dispersion pipe, the impurities are quickly taken away, so that the equipment corrosion can be avoided, and the impurities can be prevented from scaling and blocking.

Preferably, the inner wall fixedly connected with of dispersion shower takes the ring, the surperficial overlap joint of taking the ring has the iron hydroxide otter board, the last fixed surface of iron hydroxide board connects the iron oxide otter board, the last fixed surface of iron oxide otter board is connected with the red mud net, the top of red mud net is provided with the active carbon otter board, the surface of iron hydroxide otter board, iron oxide otter board, red mud net and active carbon otter board all is the dictyosome form, sets up iron hydroxide otter board, iron oxide otter board, red mud net and active carbon otter board in order to get rid of impurity such as peculiar smell and carbon dioxide, and small in structure, and the installation is simple, the convenient.

Preferably, the atomizing cleaning mechanism comprises an atomizing ring pipe, a plurality of atomizers, a first dividing bag, a second dividing bag, a hanging shaking bag, a supporting screen plate and a drying mixture, the surface of the first dividing bag is fixedly connected with the inner wall of the biogas purification tank, the surface of the second dividing bag is fixedly connected with the inner wall of the biogas purification tank, the lower surface of the first dividing bag is fixedly connected with a plurality of hanging ropes, the hanging ropes correspond to the dispersing spray pipes one to one, the surfaces of the ferric hydroxide screen plate, the ferric oxide screen plate, the red mud net and the activated carbon screen plate are all provided with through holes, the surface of each hanging rope is slidably connected with the inner wall of each through hole, one end of each hanging rope is fixedly connected with the connecting baffle plate, the surface of each connecting baffle plate is fixedly connected with the surface of the spraying tennis ball, and the hanging ropes are arranged to play a role in supporting the spraying tennis ball.

Preferably, the atomizing ring pipe is fixedly connected to the outer surface of the biogas purification tank, a plurality of atomizers are uniformly distributed in the atomizing ring pipe, an atomizing cleaning chamber is arranged between the upper surface of the first dividing bag and the lower surface of the second dividing bag, a plurality of atomizing ports are uniformly distributed between the inside of the atomizing ring pipe and the inside of the atomizing cleaning chamber, a plurality of movable air inlets are arranged between the surface of the first dividing bag and the inner wall of the biogas purification tank, the movable air inlets are positioned under the atomizing ports, a water replenishing pipe is sleeved on the surface of the atomizing ring pipe, air flow and water flow impact on the connecting baffle plate, the connecting baffle plate drives the first dividing bag to shake through a hanging rope, so that the rising methane gas can be brought into full contact with the cleaning water mist which is dense at the edge and is just discharged at the edge of the first dividing bag, and further promoting the mist in the atomizing cleaning chamber to mix and move, and fully adsorbing impurities on the first dividing bag and the second dividing bag.

Preferably, the lower surface that the bag was cut apart to the second has cup jointed and hangs and tremble the bag, hang and tremble the bottom of bag and the upper surface overlap joint of first segmentation bag, the gas outlet has been seted up on the surface that the bag was cut apart to the second, hang and tremble the effect that the bag can play the water conservancy diversion, flow the first middle part of cutting apart the bag with being stained with the impurity that attaches on the second segmentation bag and concentrate, reduce the contact of impurity and methane, can play the effect that increases methane flow resistance simultaneously, make abundant and water smoke combine of methane.

Preferably, the inner wall of the biogas purification tank is fixedly connected with a supporting screen plate, the surface of the supporting screen plate is provided with a plurality of fine hollow meshes, a dry mixture is arranged above the supporting screen plate, the components of the dry mixture comprise silica gel and alumina, the top of the biogas purification tank is sleeved with an air outlet pipe, the air outlet pipe is positioned above the dry mixture, the supporting screen plate is positioned above the air outlet, and the dry mixture is arranged to further filter and dry methane gas.

(III) advantageous effects

(1) According to the invention, the dispersing and spraying mechanism is arranged to disperse methane gas in each small pipeline for spraying, so that the spraying space is reduced, the spraying density is increased, compared with the prior art, the methane gas spraying device can control the same input quantity and simultaneously fully remove a large amount of impurities in methane, and a filter structure which is convenient to replace is directly arranged in the pipeline, so that the distance between spraying filtration and chemical filtration is shortened, and the processing efficiency is improved.

(2) According to the invention, the methane is sprayed in a dispersing manner, and the spray water and the film forming water are formed in each small pipeline by utilizing the spray water, so that the inner wall of the pipeline can be protected in real time.

(3) According to the invention, the atomization cleaning mechanism is arranged, the hanging rope is used for transmitting and dispersing the vibration of the spraying mechanism, so that the atomization cleaning mechanism can fully contact the methane subjected to spraying filtration and chemical filtration with atomized water vapor, and the atomized water vapor fuses and adsorbs fine impurities which are not completely filtered in the methane to a fixed position for precipitation.

(4) According to the invention, two associated cleaning mechanisms are arranged to clean methane gas, and two mechanisms which complement each other shorten the processing time of methane and improve the cleaning quality of methane, so that the problems that in the spraying process of common methane purification equipment, the amount of impurities taken away by spraying the methane by spraying water is small, the gas still carries a large amount of fine impurities in the spraying water, the subsequent filtration burden is large, the loss of methane is increased and the processing time is prolonged are solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the biogas purification tank of the present invention;

FIG. 3 is a cross-sectional view of the dispersion spray pipe configuration of the present invention;

FIG. 4 is a cross-sectional view of a spray tennis ball configuration of the present invention;

fig. 5 is a structural sectional view of the bottom dispersion plate of the present invention.

Wherein, 1 biogas purification tank, 2 dispersion spray mechanism, 21 biogas gas pipe, 22 bottom dispersion plate, 23 drain pipe, 24 dispersion spray pipe, 25 water distribution plate, 26 spray tennis ball, 27 water inlet pipe, 28 corrugated hose, 29 film forming nozzle, 210 loop, 211 iron hydroxide screen plate, 212 iron oxide screen plate, 213 red mud screen, 214 active carbon screen plate, 3 atomization cleaning mechanism, 31 atomization ring pipe, 32 atomizer, 33 first division bag, 34 second division bag, 35 hanging shaking bag, 36 supporting screen plate, 37 drying mixture, 38 hanging rope, 39 through hole, 310 connecting baffle, 311 atomization cleaning chamber, 312 atomization port, 313 movable gas inlet, 314 water replenishing pipe, 315 gas outlet, 316 gas outlet pipe, 4 supporting legs, 5 sealing door plate, 6 lock.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings 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.

As shown in fig. 1-5, the embodiment of the invention provides a septic tank methane recovery and purification device for municipal new energy popularization, which comprises a methane purification tank 1 for purifying methane in a centralized manner, a dispersed spraying mechanism 2 for spraying and filtering the methane in a dispersed manner, and an atomization cleaning mechanism 3 for performing differentiated spraying treatment on the methane, wherein the dispersed spraying mechanism 2 is arranged inside the methane purification tank 1, the atomization cleaning mechanism 3 is arranged on the methane purification tank 1, the atomization cleaning mechanism 3 is positioned above the dispersed spraying mechanism 2, the bottom of the methane purification tank 1 is fixedly connected with a support leg 4, the surface of the methane purification tank 1 is hinged with a sealing door plate 5, a buckle lock 6 is fixedly arranged on the surface of the sealing door plate 5, and the surface of the sealing door plate 5 is fixedly connected with the surface of the methane purification tank 1 through the buckle lock 6.

The dispersing and spraying mechanism 2 comprises a biogas gas pipe 21, a bottom dispersion disc 22, a water discharge pipe 23, a plurality of dispersing and spraying pipes 24, a water distribution disc 25 and spraying tennis balls 26, the bottom dispersion disc 22 is fixedly connected to the inner bottom wall, one end of each dispersing and spraying pipe 24 penetrates through and extends into the bottom dispersion disc 22, the water discharge pipe 23 is sleeved at the bottom of the bottom dispersion disc 22, one end of the water discharge pipe 23 penetrates through and extends to the outside of the biogas purification tank 1, one end of each biogas gas pipe 21 penetrates through and extends into the bottom dispersion disc 22, the horizontal height of one end of each biogas gas pipe 21, which is positioned at the bottom dispersion disc 22, is higher than that of one end of each water discharge pipe 23, which is positioned at the inside of the bottom dispersion disc 22, the water distribution disc 25 is fixedly connected to the inner wall of the biogas purification tank 1, a pressurized water inlet pipe 27 is sleeved on the surface of the water distribution disc 25, the input end of the pressurized water, the bottom of the spraying tennis ball 26 is sleeved with a corrugated hose 28, one end of the corrugated hose 28 penetrates through the dispersion spraying pipe 24 and extends into the water distribution disc 25, the interior of the spraying tennis ball 26 is hollow, the surface of the spraying tennis ball 26 is in a spherical hollow net shape, the surface of the spraying tennis ball 26 is fixedly connected with a plurality of film forming nozzles 29, the surface of each film forming nozzle 29 is in a fan shape, the inner wall of the dispersion spraying pipe 24 is fixedly connected with a ring 210, the surface of the ring 210 is lapped with an iron hydroxide screen plate 211, the upper surface of the iron hydroxide plate is fixedly connected with an iron oxide screen plate 212, the upper surface of the iron oxide screen plate 212 is fixedly connected with a red mud net 213, an activated carbon screen plate 214 is arranged above the red mud net 213, and the surfaces of the iron hydroxide screen plate 211, the iron oxide screen plate 212, the red mud net 213 and.

The atomization cleaning mechanism 3 comprises an atomization ring pipe 31, a plurality of atomizers 32, a first division bag 33, a second division bag 34, a hanging shaking bag 35, a support screen 36 and a dry mixture 37, wherein the surface of the first division bag 33 is fixedly connected with the inner wall of the biogas purification tank 1, the surface of the second division bag 34 is fixedly connected with the inner wall of the biogas purification tank 1, the lower surface of the first division bag 33 is fixedly connected with a plurality of hanging ropes 38, the hanging ropes 38 correspond to the dispersion spray pipes 24 one by one, the surfaces of the ferric hydroxide screen 211, the ferric oxide screen 212, the red mud screen 213 and the activated carbon screen 214 are all provided with through holes 39, the surface of the hanging ropes 38 is in sliding connection with the inner walls of the through holes 39, one end of the hanging ropes 38 is fixedly connected with a connecting baffle plate 310, the surface of the connecting baffle plate 310 is fixedly connected with the surface of the spray net 26, the atomization ring pipe 31 is fixedly connected on the, a plurality of atomizers 32 which are uniformly distributed are arranged inside the atomizing ring pipe 31, an atomizing cleaning chamber 311 is arranged between the upper surface of the first dividing bag 33 and the lower surface of the second dividing bag 34, a plurality of atomizing ports 312 which are uniformly distributed are arranged between the inside of the atomizing ring pipe 31 and the inside of the atomizing cleaning chamber 311, a plurality of movable air inlets 313 are arranged between the surface of the first dividing bag 33 and the inner wall of the biogas purification tank 1, the movable air inlets 313 are positioned under the atomizing ports 312, a water replenishing pipe 314 is sleeved on the surface of the atomizing ring pipe 31, a hanging shaking bag 35 is sleeved on the lower surface of the second dividing bag 34, the bottom of the hanging shaking bag 35 is lapped with the upper surface of the first dividing bag 33, an air outlet 315 is arranged on the surface of the second dividing bag 34, a support screen plate 36 is fixedly connected with the inner wall of the biogas purification tank 1, a plurality of fine hollowed meshes are arranged on the surface of the support screen, the dry mixture 37 is arranged above the supporting screen plate 36, the components of the dry mixture 37 comprise silica gel and alumina, the top of the biogas purification tank 1 is sleeved with an air outlet pipe 316, the air outlet pipe 316 is positioned above the dry mixture 37, and the supporting screen plate 36 is positioned above the air outlet 315.

When the device is used, a power supply is connected, each atomizer 32 is opened, water mist generated by the atomizer 32 enters the inside of the atomization cleaning chamber 311 through each atomization opening 312, the inside of the atomization cleaning chamber 311 is filled with the water mist, water is injected into the water distribution disc 25 through the water pressure inlet pipe 27, the water enters the inside of the spraying tennis balls 26 through each corrugated hose 28 and then is sprayed, the spraying water is sprayed inside the dispersion spraying pipes 24, the film forming nozzle 29 enables the water to form a fully-enclosed water film on the inner wall of the dispersion spraying pipes 24, the water flows downwards to enter the inside of the bottom part dispersion disc 22 until the water flows out through the water discharge pipe 23, then the biogas gas conveying pipe 21 is opened, the methane gas enters the inside of the bottom part dispersion disc 22 through the biogas gas conveying pipe 21 and then enters the inside of each dispersion spraying pipe 24, the methane gas is filtered by the spraying water and the water film and then rises through the iron hydroxide mesh plate 211, The iron oxide screen plate 212, the red mud screen 213 and the activated carbon screen plate 214 are filtered and then continuously ascend, ascending airflow shakes along the lower surface of the first dividing bag 33 and ascends to one end of the movable air inlet 313, then methane airflow shakes and ascends through the position right below the atomizing port 312 and fully forms with newly precipitated water mist and enters the inside of the atomizing cleaning chamber 311, the airflow and the spraying water impact the connecting baffle plate 310 and drive the first dividing bag 33 to shake through the hanging rope 38, the shaking first dividing bag 33 promotes the airflow inside the atomizing cleaning chamber 311 to be fully combined with the water mist, impurities are attached to the first dividing bag 33 and the second dividing bag 34 which shake continuously, the impurities are concentrated to the central position of the first dividing bag 33 along the inside of the atomizing cleaning chamber 311 along with the mist water and do not participate in the combination activity of the water mist and the methane, the methane is more and more, the air pressure is enhanced to break through the bottom of the hanging and shaking bag 35 and then ascend through, after being filtered by the dry mixture 37, the mixture is discharged and collected through the gas outlet pipe 316, thereby completing the use process of the whole septic tank methane recovery and purification equipment for municipal new energy popularization.

Claims

1. The utility model provides a municipal administration new forms of energy are promoted and are used septic tank marsh gas recovery clarification plant which characterized in that: the biogas purification device comprises a biogas purification tank (1) for purifying biogas in a centralized manner, a dispersing and spraying mechanism (2) for dispersing and spraying the biogas and filtering the biogas, and an atomizing and cleaning mechanism (3) for performing differentiation and spraying treatment on the biogas, wherein the dispersing and spraying mechanism (2) is arranged inside the biogas purification tank (1), the atomizing and cleaning mechanism (3) is arranged on the biogas purification tank (1), the atomizing and cleaning mechanism (3) is positioned above the dispersing and spraying mechanism (2), the bottom of the biogas purification tank (1) is fixedly connected with supporting legs (4), the surface of the biogas purification tank (1) is hinged with a sealing door plate (5), a buckle lock (6) is fixedly arranged on the surface of the sealing door plate (5), and the surface of the sealing door plate (5) is fixedly connected with the surface of the biogas purification tank (1) through the buckle lock (6);

the dispersing and spraying mechanism (2) comprises a biogas gas pipe (21), a bottom dispersing disc (22), a drain pipe (23), a plurality of dispersing and spraying pipes (24), a water distribution disc (25) and spraying tennis balls (26), the bottom dispersion plate (22) is fixedly connected on the inner bottom wall, one end of the dispersion spray pipe (24) penetrates through and extends to the inside of the bottom dispersion plate (22), a drain pipe (23) is sleeved at the bottom of the bottom dispersion disc (22), one end of the drain pipe (23) penetrates through and extends to the outside of the biogas purification tank (1), one end of the methane gas conveying pipe (21) penetrates through and extends into the bottom dispersion disc (22), the horizontal height of one end of the methane gas conveying pipe (21) positioned in the bottom scattering disk (22) is higher than that of one end of the drain pipe (23) positioned in the bottom scattering disk (22);

the biogas purification tank comprises a biogas purification tank (1), and is characterized in that a water distribution disc (25) is fixedly connected to the inner wall of the biogas purification tank (1), a pressurized water inlet pipe (27) is sleeved on the surface of the water distribution disc (25), the input end of the pressurized water inlet pipe (27) is externally connected with a tap water pipe, a spray tennis ball (26) is arranged inside the dispersion spray pipe (24), a corrugated hose (28) is sleeved at the bottom of the spray tennis ball (26), one end of the corrugated hose (28) penetrates through the dispersion spray pipe (24) and extends to the inside of the water distribution disc (25), the spray tennis ball (26) is hollow, the surface of the spray tennis ball (26) is in a spherical hollow net shape, a plurality of film forming nozzles (29) are fixedly connected to the surface of the spray tennis ball (26), and the surface of the film forming nozzles (29);

the inner wall of the dispersion spraying pipe (24) is fixedly connected with an attachment ring (210), the surface of the attachment ring (210) is provided with an iron hydroxide screen plate (211) in an overlapping manner, the upper surface of the iron hydroxide plate is fixedly connected with an iron oxide screen plate (212), the upper surface of the iron oxide screen plate (212) is fixedly connected with a red mud net (213), an activated carbon screen plate (214) is arranged above the red mud net (213), and the surfaces of the iron hydroxide screen plate (211), the iron oxide screen plate (212), the red mud net (213) and the activated carbon screen plate (214) are all in a net shape;

the atomizing cleaning mechanism (3) comprises an atomizing ring pipe (31), a plurality of atomizers (32), a first dividing bag (33), a second dividing bag (34), a hanging shaking bag (35), a supporting screen plate (36) and a drying mixture (37), wherein the surface of the first dividing bag (33) is fixedly connected with the inner wall of the biogas purification tank (1), the surface of the second dividing bag (34) is fixedly connected with the inner wall of the biogas purification tank (1), the lower surface of the first dividing bag (33) is fixedly connected with a plurality of hanging ropes (38), the hanging ropes (38) are in one-to-one correspondence with the dispersing spray pipes (24), through holes (39) are respectively arranged on the surfaces of the ferric hydroxide screen plate (211), the ferric oxide screen plate (212), the red mud screen (213) and the activated carbon screen plate (214), the surface of each hanging rope (38) is in sliding connection with the inner wall of the through hole (39), one end of each hanging rope (38) is fixedly connected with a connecting baffle plate (310), the surface of the connecting baffle plate (310) is fixedly connected with the surface of the spraying tennis ball (26);

the biogas purification tank is characterized in that the atomizing ring pipe (31) is fixedly connected to the outer surface of the biogas purification tank (1), a plurality of atomizers (32) which are uniformly distributed are arranged inside the atomizing ring pipe (31), an atomizing cleaning chamber (311) is arranged between the upper surface of the first dividing bag (33) and the lower surface of the second dividing bag (34), a plurality of atomizing openings (312) which are uniformly distributed are arranged between the inside of the atomizing ring pipe (31) and the inside of the atomizing cleaning chamber (311), a plurality of movable air inlets (313) are arranged between the surface of the first dividing bag (33) and the inner wall of the biogas purification tank (1), the movable air inlets (313) are located under the atomizing openings (312), and a water replenishing pipe (314) is sleeved on the surface of the atomizing ring pipe (31).

2. The biogas recovery and purification equipment for the municipal new energy popularization septic tank according to claim 1, characterized in that: the lower surface of the second dividing bag (34) is sleeved with a hanging shaking bag (35), the bottom of the hanging shaking bag (35) is in lap joint with the upper surface of the first dividing bag (33), and the surface of the second dividing bag (34) is provided with an air outlet (315).

3. The biogas recovery and purification equipment for the municipal new energy popularization septic tank according to claim 2, characterized in that: the inner wall fixedly connected with of marsh gas purification can (1) supports otter board (36), the surface that supports otter board (36) is provided with the tiny fretwork mesh of a plurality of, the top that supports otter board (36) is provided with dry mixture (37), the composition of dry mixture (37) includes silica gel and alumina, outlet duct (316) has been cup jointed at the top of marsh gas purification can (1), outlet duct (316) is located the top of dry mixture (37), support otter board (36) is located the top of gas outlet (315).