CN210012649U

CN210012649U - Aerobic biological reaction tank with sectional filler

Info

Publication number: CN210012649U
Application number: CN201920739619.2U
Authority: CN
Inventors: 魏春飞; 张磊; 王允妹; 赵勇娇; 单连斌
Original assignee: Shenyang Academy Environmental Sciences
Current assignee: Shenyang Academy Environmental Sciences
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-02-04
Anticipated expiration: 2029-05-22

Abstract

The utility model relates to the technical field of biological reaction tank, in particular to a segmented packing type aerobic biological reaction tank, which comprises a tank body, wherein one end of the tank body is connected with a water inlet pipe, the other end of the tank body is connected with a water outlet pipe, a first water inlet baffle plate, a segmented baffle plate and a second water inlet baffle plate are sequentially arranged on the inner wall of the tank body, the first water inlet baffle plate is close to the water inlet pipe, a gap is formed between the lower end of the first water inlet baffle plate and the bottom of the tank body, a first sieve plate is arranged between the first water inlet baffle plate and the inner wall of the tank body, the lower end of the segmented baffle plate is hermetically connected with the bottom of the tank body, the upper end of the segmented baffle plate is lower than the side wall of the tank body, and a second sieve plate is arranged between the segmented baffle plate and the side wall of the tank body, meanwhile, the treatment effect is guaranteed.

Description

Aerobic biological reaction tank with sectional filler

Technical Field

The utility model relates to a biological reaction tank technical field especially relates to an aerobic biological reaction tank of segmentation filler formula.

Background

The existing aerobic biochemical process mainly adopts a biological contact oxidation method or an MBBR method. The MBBR is a biofilm method, and is a carrier fluidized bed Moving Bed Biofilm Reactor (MBBR). the principle is that a certain amount of suspension carriers are added into a reactor, so that the biomass and the biological species in the reactor are improved, and the treatment efficiency of the reactor is improved. The density of the filler is close to that of water, so that the filler and the water are in a completely mixed state during aeration, in addition, the inside and the outside of each carrier are provided with different biological species, anaerobic bacteria or facultative bacteria grow inside the carriers, and the environment for the growth of microorganisms is three phases of gas, liquid and solid. The biological contact oxidation method is characterized in that a biological reaction tank is filled with a filler, oxygenated sewage submerges all the filler and flows through the filler at a certain flow rate, a biological membrane is fully distributed on the filler, the sewage is in wide contact with the biological membrane, and under the action of metabolism of microorganisms on the biological membrane, organic pollutants in the sewage are removed, and the sewage is purified.

The MBBR method uses suspended filler, and the biological contact oxidation method uses fixed filler. MBBR needs to maintain the flowing state of the filler, and the air energy consumption is a bit higher than that of the biological contact oxidation process. Compared with MBBR, the single biological contact oxidation activated sludge is less in species, and the single MBBR process has higher investment in the early stage of filler cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sectional packing type aerobic biological reaction tank.

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

a segmented packing type aerobic biological reaction tank comprises a tank body, wherein one end of the tank body is connected with a water inlet pipe, the other end of the tank body is connected with a water outlet pipe, a first water inlet baffle plate, a segmented partition plate and a second water inlet baffle plate are sequentially arranged on the inner wall of the tank body, the first water inlet baffle plate is close to the water inlet pipe, a gap is formed between the lower end of the first water inlet baffle plate and the bottom of the tank body, a first sieve plate is arranged between the first water inlet baffle plate and the inner wall of the tank body, the lower end of the segmented partition plate is hermetically connected with the bottom of the tank body, the height of the upper end of the segmented partition plate is smaller than that of the side wall of the tank body, a second sieve plate is arranged between the segmented partition plate and the side wall of the tank body, suspended packing is placed in an area formed by the first water inlet baffle plate, and a fixed filler is arranged in an area formed by the second water inlet baffle plate and the inner wall of the tank body, a first aeration system and a second aeration system are further arranged at the bottom end of the tank body, the first aeration system is positioned below the suspended filler, and the second aeration system is positioned below the fixed filler.

Preferably, the first aeration system is connected with the first aeration fan through a first connecting pipe.

Preferably, the second aeration system is connected with the second aeration fan through a second connection pipe.

Preferably, the first aeration system and the second aeration system have the same structure, the first aeration system comprises an aeration pipe and an aerator, and the aerator is uniformly arranged at the upper end of the aeration pipe.

Preferably, the upper end of the pool body is further provided with a purging fan, the outlet end of the purging fan is connected with an aeration purging pipeline, the outlet end of the aeration purging pipeline is located between the first water inlet baffle plate and the second sieve plate, and the outlet end of the aeration purging pipeline is close to the second sieve plate.

Preferably, the inner wall of the tank body is further provided with an overflow groove, the overflow groove is positioned between the second water inlet baffle plate and the water outlet pipe, and the uppermost end of the overflow groove is higher than the uppermost end of the water outlet pipe.

The utility model has the advantages that:

1. the utility model provides a device will have good oxygen biochemical processes to divide into two parts, and the anterior segment is the MBBR technology, throws the MBBR filler, and the back end is biological contact oxidation technology, establishes to hang fixed filler in, sets up the segmentation baffle between the technology, is provided with the screen cloth on the segmentation baffle, has finally strengthened activated sludge's kind and has reduced the energy consumption, has ensured the treatment effect simultaneously.

2. The utility model provides a reducible single fan energy consumption that adopts MBBR technology of device can improve the single reaction efficiency who adopts biological contact oxidation technology.

In conclusion, the device can realize two independent aerobic biochemical systems, enhances the types of the activated sludge, reduces the manufacturing cost and simultaneously ensures the treatment effect.

Drawings

FIG. 1 is a schematic view of the sectional packing aerobic biological reaction tank according to the present invention;

fig. 2 is a schematic view of the sectional packing aerobic biological reaction tank of the present invention.

In the figure: the device comprises a water inlet pipe 1, a first water inlet baffle plate 2, a first sieve plate 3, a suspended filler 4, a first aeration system 5, a sectional partition plate 6, a second sieve plate 7, a second water inlet baffle plate 8, a fixed filler 9, a second aeration system 10, an overflow tank 11, a water outlet pipe 12, a first aeration fan 13, a second aeration fan 14 and a purging fan 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a segmented packing type aerobic biological reaction tank comprises a tank body, wherein one end of the tank body is connected with a water inlet pipe 1, the other end of the tank body is connected with a water outlet pipe 12, the inner wall of the tank body is sequentially provided with a first water inlet baffle plate 2, a segmented partition plate 6 and a second water inlet baffle plate 8, the first water inlet baffle plate 2 is close to the water inlet pipe 1, a gap is formed between the lower end of the first water inlet baffle plate 2 and the bottom of the tank body, a first sieve plate 3 is arranged between the first water inlet baffle plate 2 and the inner wall of the tank body, the first sieve plate 3 is connected with the inner wall of the tank body through screws, the lower end of the segmented partition plate 6 is hermetically connected with the bottom of the tank body, the height of the upper end of the segmented partition plate 6 is smaller than that of the side wall of the tank body, a, the area formed by the first water inlet baffle plate 2, the sectional baffle plate 6 and the inner wall of the tank body is internally provided with suspended fillers 4, the lower end of the second water inlet baffle plate 8 has a gap with the bottom of the tank body, the area formed by the second water inlet baffle plate 8 and the inner wall of the tank body is internally provided with fixed fillers 9, the fixed fillers 9 are arranged in a suspended manner through a support, the bottom end of the tank body is also provided with a first aeration system 5 and a second aeration system 10, the first aeration system 5 is positioned below the suspended fillers 4, the second aeration system 10 is positioned below the fixed fillers 9, the area formed by the first water inlet baffle plate 2 and the inner wall of the tank body is marked as an MBBR water inlet section, the area formed by the first water inlet baffle plate 2, the sectional baffle plate 6 and the inner wall of the tank body is marked as an MBBR section, and the area formed by the sectional baffle plate 6, the second water inlet baffle plate 8 and the inner wall of, the area formed by the second water inlet baffle plate 8 and the inner wall of the tank body is marked as a biological contact oxidation section.

Further, the first aeration system 5 is connected with the first aeration fan 13 through a first connection pipe.

Further, the second aeration system 10 is connected to a second aeration fan 14 through a second connection pipe.

Further, the first aeration system 5 and the second aeration system 10 have the same structure, and the first aeration system 5 comprises an aeration pipe and an aerator, wherein the aerator is uniformly arranged at the upper end of the aeration pipe.

Further, the upper end of the pool body is also provided with a purging fan 15, the outlet end of the purging fan 15 is connected with an aeration purging pipeline, the outlet end of the aeration purging pipeline is located between the first water inlet baffle plate 2 and the second sieve plate 7, and the outlet end of the aeration purging pipeline is close to the second sieve plate 7.

Further, an overflow groove 11 is further arranged on the inner wall of the tank body, the overflow groove 11 is located between the second water inlet baffle plate 8 and the water outlet pipe 12, the uppermost height of the overflow groove 11 is higher than the uppermost height of the water outlet pipe 12, and after the wastewater is treated, the wastewater flows into the overflow groove 11 and then flows into the water outlet pipe 12 from the overflow groove 11.

In the embodiment, wastewater enters an MBBR water inlet section through a water inlet pipe 1 and enters the MBBR section through a baffle plate 2 in a baffling manner, a first sieve plate 3 which can move in the MBBR section is arranged at the bottom of the baffle plate 2 to prevent suspended fillers from entering the water inlet section, the suspended fillers 4 are arranged in the MBBR section, a first aeration system 5 is arranged at the bottom, a first aeration fan 13 is connected with the first aeration system 5 through a first connecting pipe, the first aeration system 5 can aerate sewage, water discharged from the MBBR section overflows to a biological contact oxidation system water inlet section through a segmented partition plate 6, a second sieve plate 7 is arranged at the upper part of the segmented partition plate 6 to prevent the suspended fillers 4 from entering a biological contact oxidation section and entering the biological contact oxidation section through a baffle plate 8 in a baffling manner, fixed fillers 9 are arranged in the biological contact oxidation section, a second aeration system 10 is arranged at the bottom, and a second aeration fan 14, the second aeration system 10 may aerate the wastewater.

For preventing that MBBR section suspended filler 4 from piling up in biological contact oxidation section second sieve 7 department owing to rivers effect, set up in second sieve 7 department and sweep fan 15, the exit end that sweeps fan 15 is connected with the aeration and sweeps the pipeline, does benefit to the aeration and sweeps the pipeline and sweep second sieve 7, prevents piling up of suspended filler 4, accelerates the rate of motion of second sieve 7 suspended filler 4 in waste water simultaneously, further improves reaction effect.

In this embodiment, the first aeration fan 13 has a larger air volume than the second aeration fan 14, and the aeration is performed by using two sets of fans respectively, so that the requirement for dissolved oxygen at the front section is large, the requirement for dissolved oxygen at the rear section is small, the energy consumption is reduced, and the treatment effect is ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a segmentation filler formula aerobic biological reaction pond, includes the cell body, its characterized in that, the one end of cell body is connected with inlet tube (1), and the other end of cell body is connected with outlet pipe (12), be provided with first baffling board (2), segmentation baffle (6) and the baffling board (8) of intaking on the cell body inner wall in order, first baffling board (2) of intaking is close to mutually with inlet tube (1), and just there is the space bottom of the lower extreme of first baffling board (2) of intaking and cell body to be provided with first sieve (3) between the inner wall of first baffling board (2) of intaking and cell body, the lower extreme of segmentation baffle (6) and the bottom sealing connection of cell body, the height that segmentation baffle (6) upper end is less than the height of cell body lateral wall, is provided with second sieve (7) between segmentation baffle (6) and the lateral wall of cell body, first baffling board (2), Suspended fillers (4) are placed in an area formed by the segmented partition plates (6) and the inner wall of the tank body, a gap exists between the lower end of the second water inlet baffle plate (8) and the bottom of the tank body, a fixed filler (9) is arranged in the area formed by the second water inlet baffle plate (8) and the inner wall of the tank body, a first aeration system (5) and a second aeration system (10) are further arranged at the bottom end of the tank body, the first aeration system (5) is located below the suspended fillers (4), and the second aeration system (10) is located below the fixed filler (9).

2. A segmented packed aerobic biological reaction tank according to claim 1, whereby the first aeration system (5) is connected to the first aeration fan (13) by means of a first connection pipe.

3. A segmented packed aerobic biological reaction tank according to claim 2, whereby the second aeration system (10) is connected to a second aeration fan (14) by means of a second connection pipe.

4. The aerobic biological reaction tank according to claim 3, wherein the first aeration system (5) and the second aeration system (10) are identical in structure, and the first aeration system (5) comprises an aeration pipe and an aerator which is uniformly arranged at the upper end of the aeration pipe.

5. The aerobic biological reaction tank with segmented packing according to claim 1, wherein the upper end of the tank body is further provided with a purging fan (15), the outlet end of the purging fan (15) is connected with an aeration purging pipeline, the outlet end of the aeration purging pipeline is positioned between the first water inlet baffle plate (2) and the second sieve plate (7), and the outlet end of the aeration purging pipeline is close to the second sieve plate (7).

6. The aerobic biological reaction tank with segmented packing according to claim 1, wherein the inner wall of the tank body is further provided with an overflow tank (11), the overflow tank (11) is positioned between the second water inlet baffle plate (8) and the water outlet pipe (12), and the uppermost height of the overflow tank (11) is higher than the uppermost height of the water outlet pipe (12).