CN214781000U

CN214781000U - Upflow anaerobic tower

Info

Publication number: CN214781000U
Application number: CN202120297337.9U
Authority: CN
Inventors: 许文; 任志杰; 卞智健; 史筱倩
Original assignee: Jiangyin Lianzhong Environmental Protection Engineering Co ltd
Current assignee: Jiangyin Lianzhong Environmental Protection Engineering Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-19
Anticipated expiration: 2031-02-02

Abstract

The application relates to the field of sewage treatment equipment, in particular to an up-flow anaerobic tower which comprises an anaerobic tower body, wherein the top end of the anaerobic tower body is connected with an air outlet pipe, one end of the air outlet pipe, which is far away from the anaerobic tower body, is connected with a drying box, the top end of the drying box is communicated with the air outlet pipe through a coiled pipe, the outer wall of the coiled pipe is coated with a cooling pipe, and cooling water is arranged between the inner wall of the cooling pipe and the outer wall of the coiled pipe; the bottom of the drying box is connected with a collecting device through a connecting pipe, a water collecting tank is connected in the drying box, and the top end of the water collecting tank is provided with an opening; a guide plate is obliquely arranged in the drying box, the guide plate is positioned right below the port at the bottom end of the coiled pipe, and the bottom end of the guide plate is positioned right above the opening of the water collecting tank. The method and the device help to solve the problem that the purity of the collected biogas is low.

Description

Upflow anaerobic tower

Technical Field

The application relates to the field of sewage treatment equipment, in particular to an upflow anaerobic tower.

Background

The anaerobic tower is an important technology in environmental engineering and energy engineering, is one of powerful organic waste water treating methods, and is used in treating sludge, organic waste and partial high concentration organic waste water in city sewage plant.

In the process of treating organic wastewater by using the anaerobic tower in the related art, sewage generally enters the anaerobic tower through the water inlet pipe at the bottom of the anaerobic tower, and after anaerobic treatment is performed on the sewage and microorganisms in activated sludge in the anaerobic tower, the sewage after the anaerobic treatment can generate biogas. Biogas can flow to the collecting device from the air outlet pipe at the top of the anaerobic tower for storage, and sewage after anaerobic treatment can flow out from the water outlet pipe at the top.

In the actual use process of the device, the produced biogas carries the moisture in the anaerobic tower, and the moisture in the biogas occupies part of the space of the collecting device, so that the purity of the collected biogas is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the purity of the collected biogas is lower, the application provides an upflow anaerobic tower.

The application provides an up-flow anaerobic tower adopts following technical scheme:

an up-flow type anaerobic tower comprises an anaerobic tower body, wherein the top end of the anaerobic tower body is connected with an air outlet pipe, one end, far away from the anaerobic tower body, of the air outlet pipe is connected with a drying box, the top end of the drying box is communicated with the air outlet pipe through a coiled pipe, the outer wall of the coiled pipe is wrapped with a cooling pipe, and cooling water is arranged between the inner wall of the cooling pipe and the outer wall of the coiled pipe; the bottom of the drying box is connected with a collecting device through a connecting pipe, a water collecting tank is connected in the drying box, and an opening is formed in the top end of the water collecting tank; the drying cabinet is internally and obliquely provided with a guide plate, the guide plate is positioned right below the port at the bottom end of the coiled pipe, and the bottom end of the guide plate is positioned right above the opening of the water collecting tank.

By adopting the technical scheme, partial water vapor in the biogas is condensed into water drops through the cooling treatment of the coiled pipe and the cooling water, after the water drops and the biogas are transmitted into the drying box along with the coiled pipe, the water drops flow to the water collecting tank from the flow guide plate for storage, and the biogas is transmitted to the collecting device from the connecting pipe for storage, so that partial moisture in the biogas can be removed, the concentration of the biogas in the collecting device is higher, and the problem of lower purity of the collected biogas can be improved.

Optionally, a flow guide pipe is connected to the drying box, one end of the flow guide pipe penetrates through the bottom of the drying box and the bottom of the water collecting box, and the other end of the flow guide pipe is connected with a valve.

By adopting the technical scheme, after a period of treatment, an operator can open the valve to discharge the water condensed from the water in the water collecting tank, which is beneficial to continuously treating the water in the methane.

Optionally, a liquid level indicator is connected to the outer side wall of the drying box, and an ultrasonic probe of the liquid level indicator is located at the bottom of the water collecting tank.

Through adopting above-mentioned technical scheme, through the setting of liquid level indicator, be convenient for to the liquid level change of operating personnel reflection water header, help reducing the water of storage in the water header too much and flow out from the water header and cause the phenomenon of polluting marsh gas.

Optionally, a horizontal filter plate is connected between the water collecting tank and the connecting pipe in the drying box, soda lime particles are laid on the top surface of the filter plate, and the diameter of a filter hole of the filter plate is smaller than the particle size of the soda lime particles.

By adopting the technical scheme, residual water vapor in the biogas and soda lime on the filter plate are subjected to oxidation reaction and absorbed, so that the removal rate of water in the biogas can be improved, and the problem of low purity of the collected biogas is improved.

Optionally, the drying box is internally and rotatably connected with horizontal fan blades between the water collecting tank and the filter plate.

By adopting the technical scheme, the continuously transmitted marsh gas can drive the fan blades to rotate, the rotating fan blades can uniformly disperse the transmitted marsh gas, the dispersed marsh gas can fully react with the soda lime particles on the filter plate, and the residual steam in the marsh gas can be fully oxidized with the soda lime particles, so that the removal rate of the steam in the marsh gas is improved.

Optionally, the connecting pipe is arranged horizontally, and the connecting pipe is located on the outer side wall of the bottom of the drying box.

Through adopting above-mentioned technical scheme, because on the diapire in the filter hole removal to the drying cabinet on the filter can be followed to the soda lime granule of small-size, the connecting pipe setting is at the lateral wall of drying cabinet, helps reducing the soda lime granule of small-size and gets into collection device and cause the phenomenon of pollution to collection device from the connecting pipe.

Optionally, a horizontal bearing frame is arranged on the inner side wall of the drying box, the filter plate is located on the top surface of the bearing frame, and the bearing frame applies upward supporting force to the filter plate; the side wall of the drying box is provided with a processing port for taking out the filter plate, and the processing port is covered with a cover plate; apron one end is articulated with the drying cabinet, and the other end is connected with a plurality of goat's horn bolts, each goat's horn bolt all passes apron and drying cabinet threaded connection.

Through adopting above-mentioned technical scheme, after the processing of a period of time, operating personnel can take off the back with the apron earlier, takes out the filter from the header tank, then changes the soda lime granule on the filter, helps continuously getting rid of the aqueous vapor in the marsh gas.

Optionally, a sealing gasket is arranged between the cover plate and the drying box.

Through adopting above-mentioned technical scheme, the leakproofness between sealed pad multiplicable apron and the drying cabinet can prevent that marsh gas from flowing out and causing the pollution to the environment between apron and the drying cabinet.

In summary, the present application includes at least one of the following beneficial technical effects:

1. partial water vapor in the biogas is condensed into water drops through the cooling treatment of the coiled pipe and the cooling water, after the water drops and the biogas are transmitted into the drying box along with the coiled pipe, the water drops flow to the water collecting box from the flow guide plate for storage, and the biogas is transmitted to the collecting device from the connecting pipe for storage, so that partial water in the biogas can be removed, the concentration of the biogas in the collecting device is higher, and the problem of lower purity of the collected biogas can be solved;

2. residual water vapor in the biogas and soda lime on the filter plate are subjected to oxidation reaction and absorbed, so that the removal rate of water in the biogas can be improved, and the problem of low purity of the collected biogas is solved;

3. the disconnected methane can drive the fan blades to rotate, the rotating fan blades can uniformly disperse the transmitted methane, and the dispersed methane can fully react with the soda lime particles on the filter plate, so that the residual steam in the methane can be fully oxidized with the soda lime particles, and the removal rate of the steam in the methane is improved.

Drawings

Fig. 1 is a sectional view of an upflow anaerobic tower of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a drying tower according to an embodiment of the present application.

Fig. 3 is a sectional view of a drying tower according to an embodiment of the present application.

Description of reference numerals: 1. an anaerobic tower body; 2. a water inlet pipe; 3. a first bracket; 4. a filter bed; 5. an air outlet pipe; 6. a drain pipe; 7. a drying oven; 8. a second bracket; 9. a serpentine tube; 10. a cooling tube; 11. connecting pipes; 12. a baffle; 13. a water collection tank; 14. a flow guide pipe; 15. a valve; 16. a liquid level indicator; 17. a bearing frame; 18. a filter plate; 19. soda lime particles; 20. a treatment port; 21. a cover plate; 22. a gasket; 23. a claw bolt; 24. fixing the rod; 25. a fan blade.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses an upflow anaerobic tower.

Referring to fig. 1, the upflow anaerobic tower comprises an anaerobic tower body 1, a water inlet pipe 2 is connected to the bottom of the anaerobic tower body 1, a first support 3 is connected to the bottom of the anaerobic tower body 1, and a filter bed 4 for storing activated sludge is arranged in the anaerobic tower body 1. The top of anaerobic tower body 1 is connected with out tuber pipe 5, and the lateral wall at anaerobic tower body 1 top still is connected with drain pipe 6. The water inlet pipe 2 and the water discharge pipe 6 are positioned on the same side of the anaerobic tower body 1, and the water inlet pipe 2, the air outlet pipe 5 and the water discharge pipe 6 are communicated with the anaerobic tower body 1. When the upflow anaerobic tower starts to work, the organic sewage flows into the anaerobic tower body 1 from the water inlet pipe 2, the organic microorganisms in the activated sludge in the upflow anaerobic tower are subjected to anaerobic treatment to generate methane, the methane is discharged from the air outlet pipe 5, and the treated organic sewage flows out of the anaerobic tower body 1 through the water outlet pipe 6.

One end of the air outlet pipe 5, which is far away from the anaerobic tower body 1, is connected with a rectangular drying box 7, and the drying box 7 is positioned on one side of the anaerobic tower body 1, which is far away from the drain pipe 6. The bottom of drying cabinet 7 is connected with second support 8, and the top of drying cabinet 7 and the 9 intercommunications of the coiled pipe that go out through vertical setting between the tuber pipe 5 have a cooling tube 10 on the lateral wall of coiled pipe 9 cladding, and cooling tube 10 also is the spiral, is equipped with the cooling water between the inner wall of cooling tube 10 and the lateral wall of coiled pipe 9. The lateral wall of the bottom of the drying box 7 is connected with a horizontal connecting pipe 11, one end of the connecting pipe 11 is communicated with the drying box 7, and the other end of the connecting pipe is connected with a collecting device.

A water collecting tank 13 is fixedly connected to one side wall in the drying box 7, and an opening is formed in the top end of the water collecting tank 13. A guide plate 12 is further fixedly connected to the top wall in the drying box 7, the guide plate 12 is arranged in an inclined mode, the guide plate 12 is located right below the port at the bottom end of the coiled pipe 9, and the end portion of the bottom end of the guide plate 12 is located right above the opening of the water collecting tank 13.

And a flow guide pipe 14 is further fixedly connected to the side wall outside the drying box 7, and in combination with fig. 2, one end of the flow guide pipe 14 simultaneously penetrates through the bottoms of the drying box 7 and the water collecting tank 13 and is communicated with the water collecting tank 13, and the other end of the flow guide pipe is provided with a valve 15. Meanwhile, a liquid level indicator 16 is connected to the opposite outer side wall of the inner side wall of the drying box 7 connected with the water collecting tank 13, and an ultrasonic probe of the liquid level indicator 16 is positioned at the bottom of the water collecting tank 13. By means of the liquid level indicator 16, the operator can conveniently check the liquid level change of the water in the water collecting tank 13.

Referring to fig. 1 and 2, after the biogas is discharged from the air outlet pipe 5 out of the anaerobic tower body 1, the biogas flows from the air outlet pipe 5 into the serpentine pipe 9, and the moisture in the biogas is condensed into water drops through the serpentine pipe 9 and the cooling water; after the water drops and the methane flow into the drying box 7 through the coiled pipe 9, the water drops flow into the water collecting tank 13 through the guide plate 12, the methane overflows to the bottom of the water collecting tank 13 from the position between the water collecting tank 13 and the drying box 7, and then flows to a collecting device for storage from the connecting pipe 11; after a period of treatment, an operator can check the storage amount of water in the water collecting tank 13 through the liquid level indicator 16, and when the water in the water collecting tank 13 needs to be discharged, the valve 15 is opened, so that the water in the water collecting tank 13 can be discharged.

In order to improve the removal rate of moisture in the biogas, referring to fig. 3, a rectangular bearing frame 17 is fixedly connected to the inner wall of the drying box 7, the bearing frame 17 is horizontally arranged, and the outer side wall of the bearing frame 17 is attached to the inner side wall of the drying box 7. The bearing frame 17 is positioned between the water collecting tank 13 and the connecting pipe 11, the top surface of the bearing frame 17 is provided with a filter plate 18, and the bearing frame 17 applies upward supporting force to the filter plate 18. The top surface of the filter plate 18 is also paved with soda lime particles 19, and the diameter of the filter holes on the filter plate 18 is smaller than the granularity of the soda lime particles 19.

Referring to fig. 1 and 3, a treatment opening 20 is formed on the outer side wall of the drying box 7 and on one side of the drying box 7 away from the anaerobic tower body 1, the treatment opening 20 is horizontally arranged, and the length of the treatment opening 20 is equal to the side length of the filter plate 18, so that the filter plate 18 can be taken out from the treatment opening 20. A vertical cover plate 21 is connected to the outer side wall of the drying box 7 at the treatment opening 20, and the cover plate 21 can cover the treatment opening 20. The top of apron 21 is articulated with drying cabinet 7, is equipped with two goat's horn bolts 23 on the apron 21, and two goat's horn bolts 23 set gradually along the length direction of apron 21, and each goat's horn bolt 23 all passes apron 21 and drying cabinet 7 threaded connection. In order to improve the sealing performance between the cover plate 21 and the drying box 7, a gasket 22 is provided between the cover plate 21 and the drying box 7, and the gasket 22 is fixed to the outer side wall of the drying box 7.

After the marsh gas is subjected to the moisture removal treatment of the coiled pipe 9, the residual moisture in the marsh gas and the soda lime particles 19 are subjected to oxidation reaction, so that the residual moisture in the marsh gas is removed, and then the marsh gas is stored in the collecting device through the connecting pipe 11; after a period of treatment, the operator can detach the plurality of claw bolts 23, take out the filter plate 18 from the treatment port 20, and replace the soda lime particles 19.

Referring to fig. 1, in order to fully react residual moisture in the biogas with the soda lime, a fixing rod 24 and a fan blade 25 are sequentially arranged in the drying box 7 and between the water collecting tank 13 and the filter plate 18, and the fixing rod 24 and the fan blade 25 are both horizontally arranged. Both ends of dead lever 24 horizontal direction all with the inside wall fixed connection of drying cabinet 7, the top of flabellum 25 is connected through rotating with the bottom of dead lever 24 is rotated. When the biogas overflows from the water collecting tank 13, the continuously transmitted biogas can drive the fan blades 25 to rotate, the transmitted biogas can be uniformly dispersed by the rotating fan blades 25, and the dispersed biogas can fully react with the soda lime particles 19 on the filter plate 18.

The implementation principle of an upflow anaerobic tower in the embodiment of the application is as follows: organic sewage flows into the anaerobic tower body 1 from the water inlet pipe 2, and is subjected to anaerobic treatment by organic microorganisms in the activated sludge in the filter bed 4 to generate methane; the treated organic sewage flows out of the anaerobic tower body 1 through a drain pipe 6, the methane flows into a coiled pipe 9 from an air outlet pipe 5, the vapor in the methane is condensed into water drops through the coiled pipe 9 and cooling water, and the water drops and the methane flow into a drying box 7 through the coiled pipe 9 and then flow into a water collecting box 13 through a guide plate 12; after the biogas is uniformly dispersed by the rotating fan blades 25, residual moisture in the biogas and the soda lime particles 19 on the filter plate 18 are subjected to oxidation reaction and absorbed by the soda lime particles 19, and then the biogas is transmitted from the connecting pipe 11 to the collecting device for storage.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an up-flow anaerobic tower, includes anaerobic tower body (1), the top of anaerobic tower body (1) is connected with out tuber pipe (5), its characterized in that: one end, far away from the anaerobic tower body (1), of the air outlet pipe (5) is connected with a drying box (7), the top end of the drying box (7) is communicated with the air outlet pipe (5) through a coiled pipe (9), the outer wall of the coiled pipe (9) is wrapped with a cooling pipe (10), and cooling water is arranged between the inner wall of the cooling pipe (10) and the outer wall of the coiled pipe (9); the bottom of the drying box (7) is connected with a collecting device through a connecting pipe (11), a water collecting box (13) is connected in the drying box (7), and an opening is formed in the top end of the water collecting box (13); a guide plate (12) is obliquely arranged in the drying box (7), the guide plate (12) is positioned under the port at the bottom end of the coiled pipe (9), and the bottom end of the guide plate (12) is positioned over the opening of the water collecting tank (13).

2. The upflow anaerobic tower of claim 1, wherein: the drying cabinet is characterized in that a guide pipe (14) is connected to the drying cabinet (7), one end of the guide pipe (14) penetrates through the bottom of the drying cabinet (7) and the water collecting tank (13), and the other end of the guide pipe is connected with a valve (15).

3. The upflow anaerobic tower of claim 2, wherein: the outer side wall of the drying box (7) is connected with a liquid level indicator (16), and an ultrasonic probe of the liquid level indicator (16) is positioned at the bottom of the water collecting box (13).

4. The upflow anaerobic tower of claim 1, wherein: the drying box (7) is internally provided with a horizontal filtering plate (18) which is arranged between the water collecting tank (13) and the connecting pipe (11), soda lime particles (19) are paved on the top surface of the filtering plate (18), and the diameter of a filtering hole of the filtering plate (18) is smaller than the granularity of the soda lime particles (19).

5. The upflow anaerobic tower of claim 4, wherein: horizontal fan blades (25) are rotatably connected between the water collecting tank (13) and the filter plates (18) in the drying box (7).

6. The upflow anaerobic tower of claim 4, wherein: the connecting pipe (11) is horizontally arranged, and the connecting pipe (11) is positioned on the outer side wall of the bottom of the drying box (7).

7. The upflow anaerobic tower of claim 4, wherein: the inner side wall of the drying box (7) is provided with a horizontal bearing frame (17), the filter plate (18) is positioned on the top surface of the bearing frame (17), and the bearing frame (17) applies upward supporting force to the filter plate (18); the side wall of the drying box (7) is provided with a processing port (20) for taking out the filter plate (18), and the processing port (20) is covered with a cover plate (21); apron (21) one end is articulated with drying cabinet (7), and the other end is connected with a plurality of goat's horn bolts (23), each goat's horn bolt (23) all pass apron (21) and drying cabinet (7) threaded connection.

8. The upflow anaerobic tower of claim 7, wherein: and a sealing gasket (22) is arranged between the cover plate (21) and the drying box (7).