CN114772734A

CN114772734A - Sewage treatment device

Info

Publication number: CN114772734A
Application number: CN202210569576.4A
Authority: CN
Inventors: 张敬宇; 唐陆合; 宋超; 王旭
Original assignee: Beijing Huayu Huihuang Ecological Environmental Protection Technology Co ltd
Current assignee: Beijing Huayu Huihuang Ecological Environmental Protection Technology Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-07-22
Anticipated expiration: 2042-05-24
Also published as: CN114772734B

Abstract

The utility model relates to a sewage treatment device, including handling the pond, the inside level of handling the pond is provided with the baffle, the baffle will it separates to become the aerobic district that is located the top and the anoxic zone that is located the below to handle the pond, be provided with on the baffle and open the structure, through open the structure can with the anoxic zone with the relative intercommunication in aerobic district, the inside fixedly connected with dynamic membrane in anoxic zone, the inside of dynamic membrane is provided with drainage structures. The method and the device have the advantages that the occupied area of the treatment equipment is saved, and the overall space utilization effect is improved.

Description

Sewage treatment device

Technical Field

The application relates to the field of environment-friendly sewage treatment equipment, in particular to a sewage treatment device.

Background

The AO process is also called anoxic-aerobic process, wherein A is an anoxic section and is mainly used for denitrification; o is an aerobic zone. It can not only remove BOD5 and CODcr in sewage, but also effectively remove nitrogen compounds in sewage.

In the process of the treatment process, the sewage is generally discharged into the anoxic tank and then introduced into the aerobic tank, and the sewage is filtered through the anoxic section and the aerobic section.

In view of the above-mentioned related technologies, the inventor believes that in the prior art, an aerobic tank and an anaerobic tank are generally created, so that the overall floor space is large and the requirement on the treatment site is high.

Disclosure of Invention

In order to save treatment facility's area, improve holistic space utilization effect, this application provides a sewage treatment plant.

The application provides a sewage treatment plant adopts following technical scheme:

the utility model provides a sewage treatment device, is including handling the pond, the inside level of handling the pond is provided with the baffle, the baffle will it separates into the aerobic zone that is located the top and the anoxic zone that is located the below to handle the pond, be provided with on the baffle and open the structure, through open the structure can with the anoxic zone with the relative intercommunication in aerobic zone, the inside fixedly connected with dynamic membrane in anoxic zone, the inside of dynamic membrane is provided with drainage structures.

Through adopting above-mentioned technical scheme, through the inside with sewage injection to the anoxic zone, carry out organic matter hydrolysis and denitrification reaction wherein, communicating the anoxic zone and good oxygen district relatively through opening the structure, and sewage lets in the inside in anoxic zone always, will be located the inside that the inside sewage of anoxic zone crowded into the good oxygen district, the sewage that is located the good oxygen district inside carries out organic matter degradation and nitration, and then filter sewage through the dynamic membrane, save treatment facility's area, improve holistic space utilization effect.

Optionally, the opening structure comprises an opening plate, an opening hole is vertically formed in the partition plate, the opening plate is located inside the opening hole, the opening plate is connected with the partition plate in a rotating mode, a rotating shaft is horizontally arranged on the partition plate, the rotating shaft is fixedly connected with the opening plate, the rotating shaft is connected with the partition plate in a rotating mode, and one end of the rotating shaft is provided with a driving adjusting structure for rotating the rotating shaft.

Through adopting above-mentioned technical scheme, drive the pivot through adjusting the structure and rotate, and then the pivot drives and opens the board and rotate to expose the opening hole of baffle, be convenient for lie in the inside sewage of below anoxic zone and enter into the inside in aerobic zone.

Optionally, adjust the structure including the air supply pipe of vertical setting, coaxial rotation is connected with the control tube on the air supply pipe, the air supply pipe is close to the one end level of pivot is provided with first trachea, first regulation hole has been seted up to the lateral wall level of control tube, works as when the control tube rotates, first regulation hole can with first trachea is relative, fixedly connected with gasbag on the first trachea, the lateral wall of pivot for the fixed position of gasbag is connected with the drive plate, the back is aerifyd to the inside of gasbag, the gasbag can promote the drive plate upset, the pivot is close to the one end fixedly connected with balancing weight of gasbag.

Through adopting above-mentioned technical scheme, first regulation hole through the control tube is relative with first trachea, and then the inside gas that is located the control tube can enter into first tracheal inside, thereby the inside gas that is located first trachea can enter into the gasbag, and then the gasbag promotes the drive plate and rotates, the drive plate drives the pivot and rotates, and after the control tube rotates, first tracheal inside is mutually wrong with the inside of control tube, drive the drive plate through the balancing weight and rotate, and then drive pivot antiport, it will open the hole and shield to drive the opening plate.

Optionally, an oxygen-deficient aeration pipe is fixedly connected to a side wall of the first air supply pipe, a bottom end of the oxygen-deficient aeration pipe extends into the oxygen-deficient region, a second adjusting hole is formed in a side wall of the adjusting pipe, when the adjusting pipe rotates, the second adjusting hole is opposite to the oxygen-deficient aeration pipe, when the adjusting pipe rotates, the first adjusting hole can also be opposite to the oxygen-deficient aeration pipe, and a driving structure for driving the adjusting pipe to rotate is arranged on the adjusting pipe.

Through adopting above-mentioned technical scheme, when first regulation hole or second regulation hole and oxygen deficiency aeration pipe when relative, be located the inside that the inside gas of regulation pipe enters into oxygen deficiency aeration pipe, aerate the inside sewage that is located the anoxic zone through oxygen deficiency aeration pipe.

Optionally, the driving structure comprises a gear ring which is coaxially and fixedly connected to the adjusting pipe, a gear is meshed and connected to one side of the gear ring, and a driving piece which drives the gear to rotate is arranged below the gear.

Through adopting above-mentioned technical scheme, drive gear revolve through the driving piece, and then the gear drives the ring gear and rotates to the ring gear drives the governing pipe and rotates, adjusts the first regulation hole and the second regulation hole pivoted angle of governing pipe.

Optionally, an aerobic aeration pipe is arranged in the aerobic zone, a circulation plate is vertically and fixedly connected in the aerobic zone, and the aerobic aeration pipe is located on one side of the circulation plate.

Through adopting above-mentioned technical scheme, aerobic aeration pipe exposes out a large amount of gas in to the treatment tank and improves the oxygen content of water environment, form annular hydrologic cycle in the aerobic zone under the effect of circulation board simultaneously, it stirs at dynamic membrane structure surface cycle to drive rivers, abundant oxygen concentration provides the prerequisite for aerobic zone activated sludge proliferation, sludge concentration improves greatly in the aerobic zone, partly suspension is dissociated in aqueous, partly is attached to in the aerobic zone packs, the active sludge gathering that dissociates simultaneously is on dynamic membrane supporting material surface, form gradually the dynamic rete that has filtration and purification dual function.

Optionally, a regeneration aeration pipe is fixedly connected to the bottom end of the outer side wall of the dynamic membrane, and the regeneration aeration pipe can perform aeration cleaning on the outer side wall of the dynamic membrane.

Through adopting above-mentioned technical scheme, carry out the aeration through the inside that is located regeneration aeration pipe, and then clear up the outside lateral wall of dynamic membrane through the aeration, improve the effect of dynamic membrane to sewage treatment.

Optionally, the drainage structure includes a first overflow pipe and a second overflow pipe which are horizontally arranged, the second overflow pipe is located below the first overflow pipe, a first valve for controlling the switch of the first overflow pipe is arranged on the first overflow pipe, and a second valve for controlling the switch of the second overflow pipe is arranged on the second overflow pipe.

By adopting the technical scheme, before the dynamic membrane layer is completely formed, the second valve of the second overflow pipe is opened, so that water pressure which is easier to form the dynamic membrane layer is provided for the dynamic membrane structure, and meanwhile, unqualified produced water is guided into the front-end sewage tank; after the normal line of developments rete cuts dirty function, close the second valve of second overflow pipe, open the first valve of first overflow pipe, dynamic membrane structure keeps stable filtration water pressure, and the continuous stable output clear water.

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

1. through pouring into sewage into the inside in anoxic zone, carry out organic matter hydrolysis and denitrification reaction wherein, communicating anoxic zone and aerobic zone relatively through opening the structure, and sewage lets in anoxic zone's inside always, will be located the inside that the inside sewage of anoxic zone extrudes the aerobic zone, the sewage that is located aerobic zone inside carries out organic matter degradation and nitration, and then filter sewage through dynamic membrane, save treatment facility's area, improve holistic space utilization effect.

2. First regulation hole through the regulating tube is relative with first trachea, and then the inside gas that is located the regulating tube can enter into first tracheal inside, thereby be located the inside that the inside gas of first trachea can enter into the gasbag, and then gasbag promotion drive plate rotates, the drive plate drives the pivot and rotates, and after the regulating tube rotates, first tracheal inside is in the same place with the inside of regulating tube, drive the drive plate through the balancing weight and rotate, and then drive pivot antiport, it will open the hole and shield to drive the board.

3. Aerobic aeration pipe exposes out the oxygen content that a large amount of gas improved water environment in to the treatment tank, form annular hydrologic cycle simultaneously under the effect of circulation board in aerobic district, it brushes at dynamic membrane structure surface cycle to drive rivers, abundant oxygen concentration provides the prerequisite for aerobic district activated sludge proliferation, sludge concentration improves greatly in the aerobic district, partly suspension is free in aqueous, partly attach to in the aerobic district packs, free activated sludge gathers on dynamic membrane supporting material surface simultaneously, form gradually and have the dynamic rete of filtration and purification dual function.

Drawings

FIG. 1 is a schematic view of the overall structure of a sewage treatment apparatus in an embodiment of the present application;

FIG. 2 is a schematic view showing an internal structure of a sewage treatment apparatus according to an embodiment of the present application;

FIG. 3 is a schematic view of a sewage treatment apparatus according to an embodiment of the present invention;

FIG. 4 is a sectional view of a sewage treatment apparatus at the position of a partition plate in an embodiment of the present application;

FIG. 5 is a schematic structural view of an adjustment structure of a sewage treatment apparatus in an embodiment of the present application;

FIG. 6 is a sectional view showing an adjustment structure of a sewage treatment apparatus in an embodiment of the present application;

FIG. 7 is a schematic structural diagram of a sewage treatment apparatus at a first air pipe position in an embodiment of the present application.

Description of reference numerals: 1. a treatment tank; 11. a partition plate; 111. opening the hole; 12. an aerobic zone; 13. an anoxic zone; 14. a water inlet pipe; 15. a circulation plate; 16. an aerobic aeration pipe; 17. a second communicating pipe; 2. an opening structure; 21. opening the plate; 22. a rotating shaft; 221. a drive plate; 222. a counterweight block; 23. blocking a net; 3. a dynamic membrane; 31. regenerating an aeration pipe; 32. a first overflow pipe; 321. a first valve; 33. a second overflow tube; 331. a second valve; 4. an air intake structure; 41. a main pipe; 42. an anoxic aeration pipe; 421. a first communication pipe; 5. an adjustment structure; 51. a gas supply pipe; 511. feeding a pipe; 512. a lower pipe; 513. a support plate; 52. an adjusting tube; 521. a first adjustment aperture; 522. a second adjustment aperture; 53. a ring gear; 54. a first air pipe; 541. an air overflow port; 542. an air bag; 55. a gear; 551. the motor is rotated.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a sewage treatment device. Referring to fig. 1 and 2, a sewage treatment device comprises a treatment tank 1, a partition plate 11 is horizontally arranged in the treatment tank 1, the partition plate 11 is fixedly connected with the treatment tank 1, the treatment tank 1 is divided into an aerobic zone 12 located above and an anoxic zone 13 located below by the partition plate 11, the aerobic zone 12 is filled with aerobic zone filler, and the anoxic zone 13 is filled with anoxic zone filler. The partition board 11 is provided with an opening structure 2, and the anoxic zone 13 and the aerobic zone 12 can be relatively communicated through the opening structure 2. The interior of the aerobic zone 12 is vertically provided with a dynamic membrane 3, and the dynamic membrane 3 is of a hollow cylindrical structure. An air inlet structure 4 is vertically arranged in the treatment tank 1, and aeration treatment is carried out on the inside of the treatment tank 1 through the air inlet structure 4.

One side of the treatment box is vertically provided with a water inlet pipe 14, and the partition plate 11 is completely penetrated by the water inlet pipe 14, so that the liquid positioned in the water inlet pipe 14 directly enters the anoxic zone 13.

Referring to fig. 2 and 3, the air inlet structure 4 comprises a main pipe 41 horizontally arranged at the top end of the treatment tank 1, an anoxic aeration pipe 42 is horizontally and fixedly connected to the bottom wall of the anoxic zone 13 at the position of the treatment tank 1, a hole for aeration is formed in the top end of the anoxic aeration pipe 42, and the anoxic aeration pipe 42 is relatively communicated with the main pipe 41 through the adjusting structure 5.

Referring to fig. 3 and 4, the opening structure 2 includes an opening hole 111 vertically formed on the surface of the partition 11, an opening plate 21 is rotatably connected inside the opening hole 111, a rotating shaft 22 is horizontally disposed at the center of the opening plate 21, the rotating shaft 22 is fixedly connected with the opening plate 21, and the rotating shaft 22 is rotatably connected with the partition 11.

The opening plate 21 is fixedly connected with a blocking net 23, the other end of the blocking net 23 is fixedly connected with the partition plate 11, an opening formed after the opening plate 21 rotates can be shielded through the blocking net 23, and the situation that the aerobic area filler and the anoxic area filler penetrate through the opening hole 111 is reduced.

Referring to fig. 5 and 6, the adjusting structure 5 includes a vertically disposed air supply pipe 51, a top end of the air supply pipe 51 is fixedly connected and relatively communicated with the main pipe 41, an adjusting pipe 52 is coaxially and rotatably connected to the air supply pipe 51, an outer side wall of the adjusting pipe 52 has the same diameter as an inner side wall of the air supply pipe 51, and the adjusting pipe 52 is located inside the air supply pipe 51 and rotates.

The outer side wall of the adjusting pipe 52 is coaxially and fixedly connected with a gear ring 53, and the gear ring 53 extends out of the outer side wall of the air supply pipe 51 and is rotatably connected with the air supply pipe 51. The gas supply pipe 51 is divided by the ring gear 53 into an upper pipe 511 located above the ring gear 53 and a lower pipe 512 located below the ring gear 53.

The top end of the oxygen-poor aeration pipe 42 is vertically and fixedly provided with a first communication pipe 421, the first communication pipe 421 is communicated with the oxygen-poor aeration pipe 42 relatively, and the top end of the first communication pipe 421 is fixedly connected and communicated with the lower pipe 512 relatively, so as to support the lower pipe 512.

Referring to fig. 6 and 7, a first adjusting hole 521 and a second adjusting hole 522 are horizontally formed in a side wall of the adjusting pipe 52, and an axis of the first adjusting hole 521 is perpendicular to an axis of the second adjusting hole 522. The outer side wall of the lower pipe 512 is horizontally and fixedly connected with a first air pipe 54, the first air pipe 54 is communicated with the inside of the lower pipe 512 relatively, and the axis of the first air pipe 54 is perpendicular to the axis of one end of the first communication pipe 421 close to the air supply pipe 51. The sidewall of the first air tube 54 is opened with an air overflow opening 541, and the diameter of the air overflow opening 541 is smaller than that of the first air tube 54.

An end of the first air tube 54 away from the adjusting tube 52 is fixedly connected with an air bag 542, and the air bag 542 is positioned at a side close to the rotating shaft 22. The position of the rotating shaft 22 relative to the air bag 542 is fixedly connected with a driving plate 221, the driving plate 221 is opposite to the air bag 542, and one side of the driving plate 221, which is far away from the rotating shaft 22, is fixedly connected with a balancing weight 222.

The bottom end of the air supply pipe 51 is horizontally provided with a supporting plate 513, and the supporting plate 513 is fixedly connected with the air supply pipe 51. The gear 55 is engaged with the outer side of the gear ring 53, the rotating motor 551 is arranged below the gear 55, the rotating motor 551 is fixed on the supporting plate 513, and the motor shaft of the rotating motor 551 is coaxially and fixedly connected with the gear 55.

When the adjusting pipe 52 is in an initial state, the first adjusting hole 521 is opposite to the first communicating pipe 421, the second adjusting hole 522 is opposite to the first air pipe 54, the air inside the air supply pipe 51 enters the first communicating pipe 421 through the first adjusting hole 521, the air enters the oxygen-deficient aeration pipe 42 for aeration, the air inside the air supply pipe 51 enters the first air pipe 54 through the second adjusting hole 522, the air bag 542 is inflated, the driving plate 221 is pushed to rotate, the rotating shaft 22 is driven to rotate, the opening plate 21 rotates, and the oxygen-deficient area 13 and the aerobic area 12 are communicated relatively.

When rotating motor 551 and driving gear 55 and rotating, and gear 55 drives ring gear 53 and rotates, and then ring gear 53 drives adjusting pipe 52 and rotates, make second regulation hole 522 relative with first connecting pipe 421, and first regulation hole 521 is relative with the inside wall of low tube 512, seal first regulation hole 521 through low tube 512, the inside that is located adjusting pipe 52 inside can not enter into first trachea 54, and balancing weight 222 drives drive plate 221 and is vertical state, promote the inside gas of gasbag 542 and discharge from the position of excessive gas mouth 541.

Referring to fig. 2, a circulation plate 15 is vertically and fixedly connected to the interior of the aerobic zone 12 of the treatment tank 1, an aerobic aeration pipe 16 is horizontally arranged below one side of the circulation plate 15, an opening is formed in the top end of the aerobic aeration pipe 16, the top end of the aerobic aeration pipe 16 is in relative communication with the main pipe 41 through a vertically arranged second communication pipe 17, the top end of the second communication pipe 17 is fixedly connected and in relative communication with the main pipe 41, and the bottom end of the second communication pipe 17 is in relative fixed and in relative communication with the aerobic aeration pipe 16.

The lateral wall bottom fixedly connected with regeneration aeration pipe 31 of dynamic membrane 3, coaxial setting between regeneration aeration pipe 31 and the dynamic membrane 3, and the opening has been seted up on regeneration aeration pipe 31's top, and regeneration aeration pipe 31's one end and the relative intercommunication of the person in charge 41 to be located the inside that the inside gas of the person in charge 41 can enter into regeneration aeration pipe 31, and then carry out the aeration to the lateral wall that is located dynamic membrane 3 and scrub.

The side wall of the dynamic membrane 3 is respectively provided with a first overflow pipe 32 and a second overflow pipe 33 horizontally, the height of the first overflow pipe 32 is higher than that of the second overflow pipe 33, and the first overflow pipe 32 and the second overflow pipe 33 are both communicated with the inner cavity of the dynamic membrane 3 oppositely. A first valve 321 is fixedly connected to the first overflow pipe 32, the first valve 321 can control the opening and closing of the first overflow pipe 32, a second valve 331 is fixedly connected to the second overflow pipe 33, and the second valve 331 can control the opening and closing of the second overflow pipe 33.

The implementation principle of the sewage treatment device in the embodiment of the application is as follows: be located the inside that the inside sewage of inlet tube 14 directly enters into anoxic zone 13, carry out some organic matter hydrolysis and denitrification reaction wherein, the inside that enters into first trachea 54 through being responsible for 41 inside gas, the inside that the inside gas of first trachea 54 enters into gasbag 542, promote the drive plate 221 through gasbag 542 and rotate, and then drive pivot 22 and rotate, pivot 22 drives and opens board 21 and rotate, and then will open hole 111 and expose, make anoxic zone 13 and aerobic zone 12 communicate relatively, be located the inside that the liquid of anoxic zone 13 inside enters into aerobic zone 12 under the promotion of the inside sewage of anoxic zone 13 that constantly enters into, organic matter degradation and nitration carry out.

The sewage located inside the aerobic zone 12 enters the inside of the dynamic membrane 3 by filtration of the dynamic membrane 3, and the liquid located inside the dynamic membrane 3 after completion of filtration is discharged through the first overflow pipe 32.

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: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A sewage treatment device is characterized in that: including handling pond (1), the inside level of handling pond (1) is provided with baffle (11), baffle (11) will it separates into aerobic district (12) that are located the top and anoxic district (13) that are located the below to handle pond (1), be provided with on baffle (11) and open structure (2), through open structure (2) can with anoxic district (13) with relative intercommunication in aerobic district (12), the inside fixedly connected with dynamic membrane (3) in anoxic district (13), the inside of dynamic membrane (3) is provided with drainage structures.

2. The sewage treatment apparatus according to claim 1, wherein: open structure (2) including opening board (21), vertical opening hole (111) of having seted up on baffle (11), opening board (21) are located open the inside of hole (111), just open board (21) with baffle (11) rotate and link to each other, baffle (11) are improved level and are provided with pivot (22), pivot (22) with open board (21) fixed connection, just pivot (22) with baffle (11) rotate and connect, the one end of pivot (22) is provided with the drive pivot (22) pivoted regulation structure (5).

3. The sewage treatment apparatus according to claim 2, wherein: the adjusting structure (5) comprises a vertically arranged air supply pipe (51), the air supply pipe (51) is coaxially and rotatably connected with an adjusting pipe (52), a first air pipe (54) is horizontally arranged at one end of the air supply pipe (51) close to the rotating shaft (22), a first adjusting hole (521) is horizontally formed in the side wall of the adjusting pipe (52), when the adjusting pipe (52) rotates, the first adjusting hole (521) can be opposite to the first air pipe (54), an air bag (542) is fixedly connected to the first air pipe (54), a driving plate (221) is fixedly connected to the side wall of the rotating shaft (22) relative to the position of the air bag (542), after the inside of the air bag (542) is inflated, the air bag (542) can push the driving plate (221) to turn over, one end of the rotating shaft (22) close to the air bag (542) is fixedly connected with a balancing weight (222).

4. The sewage treatment apparatus according to claim 3, wherein: the lateral wall fixedly connected with oxygen deficiency aeration pipe (42) of first air supply pipe (51), the bottom of oxygen deficiency aeration pipe (42) stretches into anoxic zone (13), second regulation hole (522) have been seted up to the lateral wall of regulation pipe (52), when regulation pipe (52) rotate, second regulation hole (522) with oxygen deficiency aeration pipe (42) are relative, and when regulation pipe (52) rotate, first regulation hole (521) also can with oxygen deficiency aeration pipe (42) are relative, be provided with the drive on regulation pipe (52) the pivoted drive structure of regulation pipe (52).

5. The sewage treatment apparatus according to claim 4, wherein: the driving structure comprises a gear ring (53) which is coaxially and fixedly connected to the adjusting pipe (52), a gear (55) is meshed and connected to one side of the gear ring (53), and a driving piece for driving the gear (55) to rotate is arranged below the gear (55).

6. The sewage treatment apparatus according to claim 1, wherein: an aerobic aeration pipe (16) is arranged in the aerobic zone (12), a circulating plate (15) is vertically and fixedly connected in the aerobic zone (12), and the aerobic aeration pipe (16) is positioned on one side of the circulating plate (15).

7. The sewage treatment apparatus according to claim 1, wherein: the bottom end of the outer side wall of the dynamic membrane (3) is fixedly connected with a regeneration aeration pipe (31), and the regeneration aeration pipe (31) can perform aeration cleaning on the outer side wall of the dynamic membrane (3).

8. The sewage treatment apparatus according to claim 1, wherein: the drainage structure comprises a first overflow pipe (32) and a second overflow pipe (33) which are horizontally arranged, the second overflow pipe (33) is located below the first overflow pipe (32), a first valve (321) for controlling the first overflow pipe (32) to be switched is arranged on the first overflow pipe (32), and a second valve (331) for controlling the second overflow pipe (33) to be switched is arranged on the second overflow pipe (33).