CN211570232U

CN211570232U - Biological contact oxidation pond

Info

Publication number: CN211570232U
Application number: CN201922103600.1U
Authority: CN
Inventors: 仲海俊; 顾爱兵; 许洪峰; 李世英; 聂颖; 李霞
Original assignee: Zhenjiang Sun&sea Environmental Protection Technology Co ltd
Current assignee: Zhenjiang Sun&sea Environmental Protection Technology Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-09-25
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a biological contact oxidation pond, including the cell body, the upper end of cell body is provided with the pond board that can open, the centre of cell body is provided with the cross slab, and the one end of cross slab leaves the interval with the inner wall of cell body, the below of cross slab is provided with the downflow room, and the top of cross slab is provided with the upflow room, the bottom of downflow room is provided with the water inlet, the inner wall bottom of downflow room is close to water inlet position department and is provided with the intake pipe, and the intake pipe extends to and is provided with the distributing pipe in the downflow room, be provided with a plurality of groups sprinkler head on the distributing pipe, be provided with the first perpendicular baffle. Has the advantages that: the utility model reduces the generation of large bubbles through the arranged distribution pipes and the sprinkler heads, and divides the pool body into two parts through the arranged downflow chamber and the upflow chamber, so that the gas is S-shaped when entering the water body, thereby increasing the retention time of the gas in the water body and increasing the content of dissolved oxygen; plays the role of fixing the filler and leads the raw water body treatment to be more thorough and efficient.

Description

Biological contact oxidation pond

Technical Field

The utility model relates to a sewage treatment field, in particular to biological contact oxidation pond.

Background

The biological contact oxidation method belongs to an aerobic biological treatment method, which is a high-efficiency water treatment process for purifying organic wastewater by mainly using a biological membrane attached to a carrier (filler), has a biological membrane method with the characteristics of an activated sludge method, and has the advantages of both the activated sludge method and the biological membrane method. The method is that the filler is arranged in the tank body, aeration is carried out on the bottom of the tank body to oxygenate the sewage, and the sewage in the tank body is in a flowing state, so as to ensure that the sewage is fully contacted with the filler in the sewage. Oxygen required in a general biological contact oxidation method is supplied by blast aeration, but the retention time of blast aeration gas in a water body is short, the content of dissolved oxygen in the water body is low, and the growth and the propagation of aerobic bacteria are not facilitated, so that the water treatment effect is poor; the problems of falling off of the biological film, uneven distribution of oxygen in water and the like can be caused by large blast aeration bubbles which easily impact the biological film.

In response to the above problems, we propose a biological contact oxidation tank.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the not enough of prior art, the utility model provides a higher, the more efficient biological contact oxidation pond of reaction of dissolved oxygen content, and then solve the problem among the above-mentioned background art.

(II) technical scheme

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

biological contact oxidation pond, including the cell body, the upper end of cell body is provided with the pond board that can open, the centre of cell body is provided with the cross slab, and the inner wall of one end of cross slab and cell body leaves the interval, the below of cross slab is provided with the downflow chamber, just the top of cross slab is provided with the upflow chamber, the bottom of downflow chamber is provided with the water inlet, the inner wall bottom of downflow chamber is close to water inlet position department and is provided with the intake pipe, and the intake pipe extends to and is provided with the distributing pipe in the downflow chamber, be provided with a plurality of groups of sprinkler heads on the distributing pipe, be provided with a plurality of groups of first vertical baffles in the downflow chamber, the first vertical baffle of first group near the water inlet is contacted with the bottom of downflow chamber, the order of the top contact of next group first vertical baffle and downflow chamber is arranged in proper order, last first vertical baffle is parallel and level with the edge of cross slab, the bottom ends of the first group of second vertical partition plates and the transverse partition plates are in contact with the edge of each transverse partition plate, the top ends of the second vertical partition plates of the next group are in contact with the top end of the upstream chamber, a water outlet is formed in one end of the upstream chamber, a water outlet groove is formed in the outer side of the water outlet, the top ends of the second vertical partition plates close to the water outlet are in contact with the top end of the upstream chamber to form a water outlet chamber, the joint of the downstream chamber and the upstream chamber is a cross channel, first fillers are filled in the cross channel of the upstream chamber, and second fillers are filled between the adjacent second vertical partition plates of the upstream chamber.

Furthermore, the water flow direction of the lower flow chamber is S-shaped from the water inlet to the cross channel, and the water flow direction of the upper flow chamber is S-shaped from the cross channel to the water outlet.

Further, the sprinkler heads are linearly arranged on the distribution pipe, and the sprinkler heads are inclined downward.

Furthermore, the tail end of the first vertical partition plate is in an arc shape deviated to the water outlet direction.

Furthermore, the water inlet end of the second filler is arc-shaped, a liquid taking port is arranged on the inner wall of the upstream chamber close to the arc position of the second filler, and a liquid taking pipe is arranged at the lower end of the liquid taking port.

Furthermore, a plurality of groups of sludge pumping ports are arranged at the bottom end of the inner wall of the downstream chamber, and one end of each sludge pumping port is connected with a reflux pump through a water pipe.

(III) advantageous effects

Compared with the prior art, the utility model provides a biological contact oxidation pond possesses following beneficial effect:

the utility model discloses a distributing pipe and the sprinkler head that set up make gas divide into the little air current and get into the cell body, reduce the production of big bubble, through the lower flow chamber and the upper flow chamber that set up, divide into two parts with the cell body, and add the first vertical baffle and the second vertical baffle of intercrossing in lower flow chamber and upper flow chamber, make the direction of rivers take the form of S-arrangement, thus also make gas appear S-arrangement when getting into the water, increase the time that gas dwells in the water, increase the dissolved oxygen content; and through the cross distribution of second vertical partition plate, not only play the effect of fixed filler, make the raw water must pass through first filler and second filler processing moreover, the water treatment is more thorough high-efficient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the internal structure of a biological contact oxidation tank according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a tank structure of a biological contact oxidation tank according to an embodiment of the present invention;

fig. 3 is a schematic view of a sprinkler structure of a biological contact oxidation pond according to an embodiment of the present invention.

In the figure:

1. a tank body; 2. a diaphragm plate; 3. a down flow chamber; 4. an upstream chamber; 5. a water inlet; 6. a water outlet; 7. a water outlet groove; 8. a first vertical partition; 9. a crossover channel; 10. a second vertical partition; 11. a first filler; 12. a second filler; 13. a water outlet chamber; 14. a pool plate; 15. an air inlet pipe; 16. a liquid taking port; 17. a sludge pumping port; 18. a distribution pipe; 19. a sprinkler head.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to an embodiment of the present invention, a biological contact oxidation tank is provided.

The present invention will now be further described with reference to the accompanying drawings and detailed description, as shown in fig. 1-3:

the biological contact oxidation pond of the embodiment comprises a pond body 1, an openable pond plate 14 is arranged at the upper end of the pond body 1, a transverse partition plate 2 is arranged in the middle of the pond body 1, a distance is reserved between one end of the transverse partition plate 2 and the inner wall of the pond body 1 to form a communication part of an upstream chamber 3 and the downstream chamber 4, a cross passage 9 is arranged at the connection part of the downstream chamber 3 and the upstream chamber 4 to divide the pond body 1 into two parts, a downstream chamber 3 is arranged below the transverse partition plate 2, an upstream chamber 4 is arranged above the transverse partition plate 2, a first filler 11 is filled in the cross passage 9 of the upstream chamber 4, a second filler 12 is filled between adjacent second vertical partition plates 10 of the upstream chamber 4, the first filler 11 and the second filler 12 are fixed, a water inlet 5 is arranged at the bottom end of the downstream chamber 3, a water outlet 6 is arranged at one end of the upstream chamber 4, an air inlet pipe 15 is arranged at the position, close to the water inlet 5, oxygen is provided for the tank body 1, the air inlet pipe 15 extends to the downstream chamber 3 and is internally provided with a distribution pipe 18, the distribution pipe 18 is provided with a plurality of groups of sprinkler heads 19, so that the air is divided into small air flows to enter the tank body 1, the generation of large bubbles is reduced, raw water enters the downstream chamber 3 from the water inlet 5 and then enters the upstream chamber 4 from the cross passage 9, and after the microbial purification treatment of the first filler 11 and the second filler 12 in the upstream chamber 4, the raw water flows into the water outlet groove 7 from the water outlet 6 and is discharged.

In the biological contact oxidation pond of the embodiment, a plurality of groups of first vertical partition plates 8 are arranged in the lower flow chamber 3, the first group of first vertical partition plates 8 close to the water inlet 5 are contacted with the bottom end of the lower flow chamber 3, the next group of first vertical partition plates 8 are contacted with the top end of the lower flow chamber 3 in sequence, the last first vertical partition plate 8 is flush with the edge of the transverse partition plate 2, the water flow direction of the lower flow chamber 3 is S-shaped from the water inlet 5 to the cross channel 9, the tail end of the first vertical partition plate 8 is arc-shaped deviating to the water outlet direction, the impact force of the water flow on the first vertical partition plate 8 is reduced, a plurality of groups of second vertical partition plates 10 are arranged in the upper flow chamber 4, the first group of second vertical partition plates 10 are contacted with the bottom end of the transverse partition plate 2 and are flush with the edge of the transverse partition plate 2, the top ends of the next group of second vertical partition plates 10 are contacted with the top end of the upper flow, and the outer side of the water outlet 6 is provided with a water outlet groove 7, the top end of a second vertical partition plate 10 close to the water outlet 6 is contacted with the top end of the upstream chamber 4 to form a water outlet chamber 13, so that the gas entering the tank body 1 through the sprinkler head 19 is S-shaped through the downstream chamber 3 and the upstream chamber 4, the retention time of the gas in the water body is prolonged, the oxygen content of the solvent is increased, the growth and the propagation of microorganisms of the first filler 11 and the second filler 12 are facilitated, and the influence of overlarge blast aeration bubbles on the filler biofilm is relieved.

In the biological contact oxidation pond of the embodiment, the spray heads 19 are linearly arranged on the distribution pipe 18, and the spray heads 19 are inclined downwards, so that the resistance of the gas outlet is reduced.

The biological contact oxidation pond of this embodiment, the end of intaking of second filler 12 is arc, and the inner wall of upflow chamber 4 is close to second filler 12 circular arc position department and is provided with gets liquid mouth 16, and gets the lower extreme of liquid mouth 16 and be provided with the liquid taking pipe, gets liquid to the water that processes through the filler and detect, is convenient for know the processing condition of filler.

The biological contact oxidation pond of this embodiment, the inner wall bottom of low flow chamber 3 is provided with a plurality of groups and takes out mud mouth 17, takes out mud mouth 17's one end and leads to pipe connection backwash pump, is convenient for take off the mud of low flow chamber 3.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Biological contact oxidation pond, including cell body (1), the upper end of cell body (1) is provided with pond board (14) that can open, its characterized in that: the improved water-saving sewage treatment device is characterized in that a transverse partition plate (2) is arranged in the middle of the pool body (1), an interval is reserved between one end of the transverse partition plate (2) and the inner wall of the pool body (1), a lower flow chamber (3) is arranged below the transverse partition plate (2), an upper flow chamber (4) is arranged above the transverse partition plate (2), a water inlet (5) is arranged at the bottom end of the lower flow chamber (3), an air inlet pipe (15) is arranged at the position, close to the water inlet (5), of the bottom end of the inner wall of the lower flow chamber (3), the air inlet pipe (15) extends into the lower flow chamber (3) to be internally provided with a distribution pipe (18), a plurality of groups of sprinkler heads (19) are arranged on the distribution pipe (18), a plurality of groups of first vertical partition plates (8) are arranged in the lower flow chamber (3), the first vertical partition plates (8) close to the water inlet (5) are in contact with the bottom end of the lower flow chamber (3), and the first vertical partition plates (, finally, the first vertical partition plate (8) is flush with the edge of the transverse partition plate (2), a plurality of groups of second vertical partition plates (10) are arranged in the upstream chamber (4), the first group of second vertical partition plates (10) are in contact with the bottom end of the transverse partition plate (2) and are flush with the edge of the transverse partition plate (2), the top end of the next group of second vertical partition plates (10) is in contact with the top end of the upstream chamber (4), one end of the upstream chamber (4) is provided with a water outlet (6), a water outlet groove (7) is arranged on the outer side of the water outlet (6), the top end of a second vertical partition plate (10) close to the water outlet (6) is contacted with the top end of the upstream chamber (4) to form a water outlet chamber (13), the junction of the lower flow chamber (3) and the upper flow chamber (4) is a cross channel (9), and the cross channel (9) of the upstream chamber (4) is filled with a first filler (11), and a second filler (12) is filled between the adjacent second vertical partition plates (10) of the upstream chamber (4).

2. The biological contact oxidation pond according to claim 1, wherein the water flow direction of the downflow chamber (3) is S-shaped from the water inlet (5) to the cross channel (9), and the water flow direction of the upflow chamber (4) is S-shaped from the cross channel (9) to the water outlet (6).

3. The biological contact oxidation basin of claim 2, wherein the spray heads (19) are arranged linearly on the distribution pipe (18) and the spray heads (19) are directed obliquely downwards.

4. The biological contact oxidation basin according to claim 3, characterized in that the end of the first vertical partition (8) is in the shape of a circular arc offset towards the outlet direction.

5. The biological contact oxidation pond according to claim 4, wherein the water inlet end of the second filler (12) is arc-shaped, the inner wall of the upstream chamber (4) is provided with a liquid taking port (16) at the position close to the arc-shaped position of the second filler (12), and the lower end of the liquid taking port (16) is provided with a liquid taking pipe.

6. The biological contact oxidation pond according to any one of claims 1 to 5, wherein the bottom end of the inner wall of the downflow chamber (3) is provided with a plurality of groups of sludge pumping ports (17), and one end of each sludge pumping port (17) is connected with a reflux pump through a water pipe.