CN218931836U

CN218931836U - Combined anaerobic biochemical tank

Info

Publication number: CN218931836U
Application number: CN202222723685.5U
Authority: CN
Inventors: 张卿监; 常海刚
Original assignee: Nanyi Environmental Engineering Technology Shanghai Co ltd
Current assignee: Nanyi Environmental Engineering Technology Shanghai Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-04-28
Anticipated expiration: 2032-10-17

Abstract

The utility model discloses a combined anaerobic biochemical tank, which comprises: the first anaerobic biochemical pool and the second anaerobic biochemical pool are communicated through a connecting pipe, one end of the first anaerobic biochemical pool is communicated with a feeding pipe, and one end of the second anaerobic biochemical pool is communicated with a discharging pipe; a baffle is fixedly installed on the inner wall of the first anaerobic biochemical tank, a crushing cavity is formed on the upper portion of the baffle, a crushing piece is installed in the crushing cavity, a reaction cavity is formed on the lower portion of the baffle, a reaction piece is installed in the reaction cavity, mixing of sewage and organic matters is further improved, fermentation efficiency is improved, sewage can be treated continuously, and anaerobic reaction efficiency is improved.

Description

Combined anaerobic biochemical tank

Technical Field

The utility model belongs to the technical field of anaerobism, and particularly relates to a combined anaerobic biochemical tank.

Background

Anaerobic biological treatment technology is always favored by environmental protection workers in the water treatment industry, and has high reaction rate and good adaptability to toxic substances due to good removal effect, and more importantly, anaerobic biological treatment is widely applied in the water treatment industry because a large amount of energy consumption is not required for oxygen transfer compared with aerobic biological treatment wastewater.

The Chinese patent with the publication number of CN214360500U discloses a combined anaerobic biochemical tank, which mainly comprises a cylindrical tank body, wherein the tank body comprises a pretreatment layer and an anaerobic layer, a partition plate is arranged between the pretreatment layer and the anaerobic layer, the pretreatment layer and the anaerobic layer are both provided with a stepped flow distribution plate, the pretreatment layer comprises an air extractor, an acid-base regulating device and a constant temperature device, the air extractor is arranged at the upper end of the pretreatment layer, and the acid-base regulating device and the constant temperature device are arranged below the flow distribution plate; the anaerobic layer comprises an anaerobic stuffing box suspended below the flow distribution plate and a circulating stirring channel around the anaerobic layer.

The technical problems solved by the method are as follows: the anaerobic biochemical tank usually only considers the sealed space to prevent air from entering, but does not consider oxygen brought in by the water body of the inflow water and impact effect brought by water body concentration on anaerobic biological groups.

The above patent has the disadvantages that: only one reaction tank body is arranged, so that the anaerobic reaction time can be increased, and the anaerobic reaction efficiency can be low.

Disclosure of Invention

The purpose of the utility model is that: the combined anaerobic biochemical tank solves the problem of low anaerobic reaction efficiency in the prior art by arranging a first anaerobic biochemical tank and a second anaerobic biochemical tank.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a modular anaerobic biochemical tank comprising:

the first anaerobic biochemical pool is communicated with the second anaerobic biochemical pool through a connecting pipe, one end of the first anaerobic biochemical pool is communicated with a feeding pipe, and one end of the second anaerobic biochemical pool is communicated with a discharging pipe;

the anaerobic biochemical tank is characterized in that a baffle is fixedly arranged on the inner wall of the anaerobic biochemical tank I, a crushing cavity is formed on the upper portion of the baffle, a crushing piece is arranged in the crushing cavity, a reaction cavity is formed on the lower portion of the baffle, and a reaction piece is arranged in the reaction cavity.

As the preferable technical scheme, the crushing piece comprises a crushing rod and a crushing driving motor, and an output shaft of the crushing driving motor is fixedly connected with one end of the crushing rod through a connecting rod.

As a preferable technical scheme, the reaction piece comprises a lower sewage pipe and a flow blocking plate, wherein a blanking hole is formed in the partition plate, and one end of the lower sewage pipe is in butt joint communication with the blanking hole;

the flow blocking plate is fixedly arranged at the bottom of the lower sewage pipe and the bottom of the reaction cavity in a dog-tooth-shaped cross manner.

As a preferable technical scheme, the connecting pipe is fixedly provided with a conveying pump.

As an optimal technical scheme, one end of the second anaerobic biochemical tank is fixedly communicated with a circulating pipe, and one end of the circulating pipe is communicated with the inside of the crushing cavity;

and a circulating pump is fixedly arranged on the circulating pipe.

As the preferable technical scheme, the puddler is installed to the inside below of No. two anaerobic biochemical ponds, no. two anaerobic biochemical ponds's outer wall one end fixed mounting has stirring driving motor, stirring driving motor's output shaft pass through the connecting rod with the one end fixed connection of puddler.

As an optimized technical scheme, the upper part of the second anaerobic biochemical tank is fixedly communicated with an air outlet pipe, and one end of the air outlet pipe is communicated with a methane collecting tank body;

and a vacuum pump is fixedly arranged on the air outlet pipe.

As an optimal technical scheme, the first anaerobic biochemical tank and the second anaerobic biochemical tank are respectively provided with an electric heating pipe.

The utility model has at least the following beneficial effects:

1. according to the utility model, sewage enters the crushing cavity from the feeding pipe, aggregates carried by sewage force are crushed by the crushing rod rotating at high speed, the sewage flows into the reaction cavity from the lower sewage pipe, the flow resistance of the sewage is changed through the flow resistance of the plurality of flow resistance plates, the water flow direction is changed, the mixing of the sewage and organic matters is further improved, and the fermentation efficiency is increased;

2. the sewage in the reaction cavity is pumped and conveyed to the second anaerobic biochemical tank by the conveying pump to carry out secondary anaerobic fermentation, and at the moment, the first anaerobic biochemical tank can continuously convey the sewage, so that sewage can be treated continuously, and the anaerobic reaction efficiency is increased.

Drawings

FIG. 1 is a schematic perspective view of a combined anaerobic biochemical tank according to an embodiment of the present utility model;

FIG. 2 is a schematic view showing the sectional structures of a first anaerobic biochemical tank and a second anaerobic biochemical tank in an embodiment of a combined anaerobic biochemical tank according to the present utility model;

FIG. 3 is a schematic view showing the sectional structure of a partition plate in an embodiment of a combined anaerobic biochemical tank according to the present utility model;

reference numerals illustrate:

1. a first anaerobic biochemical tank; 11. a feed pipe; 2. a second anaerobic biochemical tank; 21. a discharge pipe; 22. a stirring rod; 23. a stirring driving motor; 3. a connecting pipe; 31. a transfer pump; 4. a partition plate; 41. a blanking hole; 5. a breaker bar; 51. a crushing driving motor; 6. a sewage pipe; 7. a spoiler; 8. an electric heating tube; 9. a circulation pipe; 91. a circulation pump; 10. an air outlet pipe; 101. a methane collection tank; 102. and a vacuum pump.

Detailed Description

In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 to 3, an embodiment of the utility model provides a combined anaerobic biochemical tank, which includes: the first anaerobic biochemical pool 1 is communicated with the second anaerobic biochemical pool 2 through a connecting pipe 3, one end of the first anaerobic biochemical pool 1 is communicated with a feeding pipe 11, and one end of the second anaerobic biochemical pool 2 is communicated with a discharging pipe 21; the baffle 4 is fixedly installed on the inner wall of the first anaerobic biochemical tank 1, the crushing cavity is formed on the upper portion of the baffle 4, the crushing piece is installed in the crushing cavity, the reaction cavity is formed on the lower portion of the baffle 4, the reaction piece is installed in the reaction cavity, the crushing piece can crush the agglomerate carried by sewage force, the reaction piece can change the direction of water flow, the mixing of sewage and organic matters is further improved, and the fermentation efficiency is increased.

Wherein, the crushing piece comprises a crushing rod 5 and a crushing driving motor 51, an output shaft of the crushing driving motor 51 is fixedly connected with one end of the crushing rod 5 through a connecting rod, and when sewage enters from the feeding pipe 11, aggregates carried by sewage force are crushed by the crushing rod 5 rotating at a high speed, so that the efficiency of converting and reacting organic matters in the sewage is increased; the reaction part comprises a lower sewage pipe 6 and a flow blocking plate 7, a blanking hole 41 is formed in the partition plate 4, and one end of the lower sewage pipe 6 is in butt joint communication with the blanking hole 41; the flow blocking plates 7 are fixedly arranged at the bottom of the lower sewage pipe 6 and the bottom of the reaction cavity in a dog-tooth-shaped cross manner, so that sewage is choked by the flow blocking plates, the direction of the water flow is changed, the mixing of the sewage and organic matters is further improved, and the fermentation efficiency is increased; a delivery pump 31 is fixedly arranged on the connecting pipe 3, so that sewage is conveniently delivered to the inside of the second anaerobic biochemical tank 2; one end of the second anaerobic biochemical tank 2 is fixedly communicated with a circulating pipe 9, and one end of the circulating pipe 9 is communicated with the inside of the crushing cavity; the circulating pump 91 is fixedly arranged on the circulating pipe 9 and is used for recycling the precipitated sludge in the second anaerobic biochemical tank 2, so that the cost is saved; a stirring rod 22 is arranged below the inside of the second anaerobic biochemical tank 2, a stirring driving motor 23 is fixedly arranged at one end of the outer wall of the second anaerobic biochemical tank 2, an output shaft of the stirring driving motor 23 is fixedly connected with one end of the stirring rod 22 through a connecting rod, and the precipitated sludge inside the second anaerobic biochemical tank 2 is stirred so as to facilitate the extraction and the transportation of a circulating pump 91; the upper part of the second anaerobic biochemical tank 2 is fixedly communicated with an air outlet pipe 10, and one end of the air outlet pipe 10 is communicated with a methane collecting tank 101; the air outlet pipe 10 is fixedly provided with a vacuum pump 102 for recycling methane gas, and a large amount of air in the sewage can be pumped out to prevent oxygen in the air from affecting the activity of anaerobic organisms; the inside of the first anaerobic biochemical pool 1 and the second anaerobic biochemical pool 2 are respectively provided with an electric heating pipe 8, the electric heating pipes 8 can be controlled by a controller for temperature control, constant temperature reaction is kept, and anaerobic reaction quality and efficiency are improved.

As well known to those skilled in the art, the working principles and wiring methods of the stirring driving motor 23, the conveying pump 31, the crushing driving motor 51, the electric heating pipe 8, the circulating pump 91 and the vacuum pump 102 are common, which are all conventional means or common general knowledge, and are not described herein in detail, and those skilled in the art can perform any choice of the types thereof according to their needs or convenience.

The working principle of the utility model is as follows:

when the device is used, sewage enters the inside of the crushing cavity from the feed pipe 11, agglomerates carried by sewage force are crushed by the crushing rod 5 rotating at high speed, the sewage flows to the reaction cavity from the lower sewage pipe 6, and the sewage flows through the choked flow of the plurality of spoilers to change the direction of the water flow, so that the mixing of the sewage and organic matters is further improved, and the fermentation efficiency is increased;

after primary anaerobic fermentation, the sewage in the reaction cavity is pumped and conveyed to the second anaerobic biochemical tank 2 by the conveying pump 31 for secondary anaerobic fermentation, and at the moment, the sewage can be conveyed continuously in the first anaerobic biochemical tank 1, and the sewage flows out of the discharging pipe 21 after the internal anaerobic of the second anaerobic biochemical tank 2 is finished.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. A combination anaerobic biochemical tank comprising:

the anaerobic biochemical tank (1) and the anaerobic biochemical tank (2) are communicated through a connecting pipe (3), one end of the anaerobic biochemical tank (1) is communicated with a feeding pipe (11), and one end of the anaerobic biochemical tank (2) is communicated with a discharging pipe (21);

the anaerobic biochemical tank is characterized in that a partition plate (4) is fixedly installed on the inner wall of the anaerobic biochemical tank (1), a crushing cavity is formed in the upper portion of the partition plate (4), a crushing piece is installed in the crushing cavity, a reaction cavity is formed in the lower portion of the partition plate (4), and a reaction piece is installed in the reaction cavity.

2. A combined anaerobic biochemical tank according to claim 1, wherein: the crushing piece comprises a crushing rod (5) and a crushing driving motor (51), and an output shaft of the crushing driving motor (51) is fixedly connected with one end of the crushing rod (5) through a connecting rod.

3. A combined anaerobic biochemical tank according to claim 1, wherein: the reaction piece comprises a lower sewage pipe (6) and a flow blocking plate (7), a blanking hole (41) is formed in the partition plate (4), and one end of the lower sewage pipe (6) is in butt joint communication with the blanking hole (41);

the flow blocking plate (7) is fixedly arranged at the bottom of the lower sewage pipe (6) and the bottom of the reaction cavity in a dog-tooth-shaped cross manner.

4. A combined anaerobic biochemical tank according to claim 1, wherein: and a delivery pump (31) is fixedly arranged on the connecting pipe (3).

5. A combined anaerobic biochemical tank according to claim 1, wherein: one end of the second anaerobic biochemical tank (2) is fixedly communicated with a circulating pipe (9), and one end of the circulating pipe (9) is communicated with the inside of the crushing cavity;

the circulating pipe (9) is fixedly provided with a circulating pump (91).

6. A combined anaerobic biochemical tank according to claim 5, wherein: stirring rod (22) is installed to the inside below of No. two anaerobic biochemical ponds (2), stirring driving motor (23) are fixed firmly to the outer wall one end of No. two anaerobic biochemical ponds (2), the output shaft of stirring driving motor (23) pass through the connecting rod with one end fixed connection of stirring rod (22).

7. The combined anaerobic biochemical tank according to claim 6, wherein: the upper part of the second anaerobic biochemical tank (2) is fixedly communicated with an air outlet pipe (10), and one end of the air outlet pipe (10) is communicated with a methane collecting tank body (101);

and a vacuum pump (102) is fixedly arranged on the air outlet pipe (10).

8. A combined anaerobic biochemical tank according to claim 1, wherein: the first anaerobic biochemical tank (1) and the second anaerobic biochemical tank (2) are internally provided with electric heating pipes (8) respectively.