CN216890304U

CN216890304U - Water distributor of hydrolysis acidification pool

Info

Publication number: CN216890304U
Application number: CN202220247203.0U
Authority: CN
Inventors: 张进; 罗建辉
Original assignee: Sichuan Science City Tianren Environmental Protection Co ltd
Current assignee: Sichuan Science City Tianren Environmental Protection Co ltd
Priority date: 2022-01-30
Filing date: 2022-01-30
Publication date: 2022-07-05
Anticipated expiration: 2032-01-30

Abstract

A water distributor of a hydrolysis acidification tank belongs to the technical field of anaerobic biological treatment of sewage treatment, and particularly relates to a water distribution system of a hydrolysis acidification tank. The key technology is that a water distribution tank is arranged at the upper part of the water inlet end of the hydrolysis acidification tank, the side wall of the water distribution tank is connected with the water inlet pipe, the bottom of the water distribution tank is provided with a water distribution pipe, the lower end of the water distribution pipe is connected with a water distribution pipe, the water distribution pipe is provided with a water outlet hole, a water outlet tank is arranged above the hydrolysis acidification tank, the vent pipe is connected with the tail end of the water distribution pipe, and a back flush pipe is arranged on the vent pipe. The utility model has the beneficial effects that: the water distributor adopts secondary water distribution, inlet water firstly enters the water distribution tank, primary water distribution is carried out through the water distribution pipe, secondary water distribution is carried out through the water outlet holes in the water distribution pipe, the secondary water distribution is more uniform, the utilization rate of the tank body is high, sewage and sludge in the tank can be continuously and fully mixed, anaerobic bacteria and organic matters in the sewage are fully contacted and reacted, and the treatment effect of the hydrolytic acidification tank is improved.

Description

Water distributor of hydrolysis acidification pool

Technical Field

A water distributor of a hydrolysis acidification tank belongs to the technical field of anaerobic biological treatment of sewage treatment, and particularly relates to a water distribution system of a hydrolysis acidification tank.

Background

The hydrolytic acidification treatment method is a method between aerobic and anaerobic treatment methods, and can reduce the treatment cost and improve the treatment efficiency by combining other processes. Hydrolytic acidification is the early stage of anaerobic treatment. The anaerobic treatment is controlled to be under the condition of containing a large amount of hydrolytic bacteria and acidifying bacteria, the hydrolytic bacteria and the acidifying bacteria are utilized to hydrolyze insoluble organic matters in water into soluble organic matters, and macromolecular substances which are difficult to biodegrade are converted into micromolecular substances which are easy to biodegrade, so that the biodegradability of the wastewater is improved, and a good water quality environment is provided for the subsequent biochemical treatment.

The important premise of good operation of the hydrolysis acidification tank is to ensure the full contact between the sludge and the wastewater, and the uniform distribution condition of the wastewater in the tank directly influences the reaction speed of hydrolysis acidification and the quality of effluent. At present, most hydrolysis acidification tanks adopt a pulse water distributor and a multipoint water distributor for water distribution, and the multipoint water distributor has complex pipelines, is easy to block and is relatively complex to maintain in later period; the pulse water distributor has high efficiency, but has high equipment cost and high energy consumption.

Disclosure of Invention

The utility model aims to solve the problems and provides a water distributor of a hydrolysis acidification tank, which has a simple structure and uniform water distribution. The technical scheme is as follows:

a water distributor of a hydrolysis acidification pool comprises the hydrolysis acidification pool, a water inlet pipe and an emptying pipe, and is characterized in that a water distribution tank is arranged at the upper part of the water inlet end of the hydrolysis acidification pool, the side wall of the water distribution tank is connected with the water inlet pipe, a water distribution pipe is arranged at the bottom of the water distribution tank, the lower end of the water distribution pipe is connected with the water distribution pipe, a water outlet hole is formed in the water distribution pipe, a water outlet tank is arranged above the hydrolysis acidification pool, the emptying pipe is connected to the tail end of the water distribution pipe, and a back flush water pipe is arranged on the emptying pipe.

A sludge pipe is arranged at the bottom of the hydrolysis acidification tank and is communicated into the sludge tank.

The water distribution pipes are provided with a plurality of water outlet holes which are arranged on the water distribution pipes in an inclined downward 45 degrees.

And a water inlet valve is arranged on the water inlet pipe.

And an air release valve is arranged on the air release pipe.

And a back washing valve is arranged on the back washing water pipe.

Compared with the prior art, the utility model has the following beneficial effects:

1. the water distributor adopts secondary water distribution, the inlet water firstly enters the water distribution tank, the first water distribution is carried out through the water distribution pipe, and the second water distribution is carried out through the water outlet hole on the water distribution pipe, the two-time water distribution is more uniform, the utilization rate of the tank body is high, the sewage and the sludge in the tank body can be continuously and fully mixed, the anaerobic bacteria and the organic matters in the sewage are fully contacted and reacted, and the treatment effect of the hydrolytic acidification tank is improved.

2. The opening angle of the water outlet hole on the water distribution pipe is inclined downwards by 45 degrees, sludge is prevented from entering the pipe to precipitate, the water distribution pipe is blocked, the flow rate of the hole is more than 2m/s, sludge at the bottom of the pool can be fully stirred, the sludge is prevented from precipitating at the bottom of the pool, a stirrer is not required to be additionally arranged, and the investment and operation cost is low.

3. The water distributor can automatically perform back flushing and is simple to operate and maintain.

4. The main parts of the water distributor are connected by flanges, the structure is simple, the installation and the transportation are convenient, and the investment is saved.

5. The water distributor is made of stainless steel, and mechanical equipment is not arranged in the pool, so that the service life is long.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic plan view of the present invention;

FIG. 3 is a cross-sectional view of a water distributor according to the present invention.

Detailed Description

The present invention is further described below in conjunction with the following detailed description, which is intended to further illustrate the principles of the utility model and is not intended to limit the utility model in any way, but is equivalent or similar to the present invention without departing from its scope.

Referring to fig. 1 to 3, a water distributor of a hydrolysis acidification tank comprises a hydrolysis acidification tank 3, a water inlet pipe 1 and an emptying pipe 8, and the key technology is that a water distribution tank 4 is installed at the upper part of the water inlet end of the hydrolysis acidification tank 3, the side wall of the water distribution tank 4 is connected with the water inlet pipe 1, a plurality of water distribution pipes 5 are uniformly arranged at the bottom of the water distribution tank 4, the lower ends of the water distribution pipes 5 are connected with a water distribution pipe 6, a water outlet hole is formed in the water distribution pipe 6, a water outlet tank 7 is installed at a position parallel to the water distribution tank 4 above the hydrolysis acidification tank 3, the emptying pipe 8 is connected with the tail end of the water distribution pipe 6 and is positioned outside the hydrolysis acidification tank 3, and a back flush pipe 10 is installed on the emptying pipe 8.

A sludge pipe 12 is arranged at the bottom of the hydrolysis acidification tank 3 and is led into the sludge tank.

The water distribution pipes 6 are provided with a plurality of water outlet holes which are obliquely arranged downwards at an angle of 45 degrees, so that the flow velocity of the water outlet holes is more than 2 m/s.

And the water inlet valve 2 is arranged on the water inlet pipe 1.

And an air release valve 9 is arranged on the air release pipe 8.

A back washing valve 11 is arranged on the back washing water pipe 10.

The water distribution pipe 6 is connected with the water distribution pipe 5 through a flange.

The emptying pipe 8 is connected with the water distribution pipe 6 through a flange.

The back washing water pipe 10 is connected with the emptying pipe 8 through a flange, and the back washing water pipe 10 is positioned in front of the emptying valve 9.

When the device works, the water inlet valve 2 is opened, sewage continuously enters the water distribution tank 4 in the hydrolysis acidification tank 3 from the water inlet pipe 1, the sewage in the water distribution tank 4 is uniformly distributed into the water distribution pipes 6 through the water distribution pipes 5, and the sewage is uniformly distributed into the hydrolysis acidification tank 3 through the water outlet holes in the water distribution pipes 6. The effluent after hydrolysis acidification reaction is collected by a water outlet groove 7 and enters a subsequent treatment unit, and the residual sludge in the hydrolysis acidification tank 3 is discharged into a sludge tank through a sludge pipe 12. When the hydrolysis acidification tank 3 needs to be emptied and washed, the water inlet valve 2 is closed to stop water inlet, the water inlet valve 2 is an electric butterfly valve, the emptying valve 9 is opened at the same time, the emptying valve 9 is an electric gate valve, and impurities in the water distribution pipe 6 are discharged along with sewage. Then closing the emptying valve 9, opening the back washing valve 11, wherein the back washing valve 11 is an electric butterfly valve, back washing water enters the water distribution pipe 6 through the back washing water pipe 10 to back wash the water distribution pipe 6, then closing the back washing valve 11, opening the emptying valve 9 again to discharge impurities in the pipe, finally closing the emptying valve 9, and finishing the back washing process. The utility model can control the automatic start and stop of the water inlet valve 2, the emptying valve 9 and the back flush valve 11 through a time relay in the control cabinet 13, thereby realizing the automatic back flush of the water distributor.

Claims

1. The utility model provides a hydrolytic acidification pond water-locator, including hydrolytic acidification pond (3), inlet tube (1) and blow-down pipe (8), characterized by is at the end upper portion installation distributing channel (4) of intaking in hydrolytic acidification pond (3), distributing channel (4) lateral wall connection inlet tube (1), distributing channel (4) bottom is equipped with distributing pipe (5), distributing pipe (6) are connected to distributing pipe (5) lower extreme, it has the apopore to open on distributing pipe (6), install out basin (7) above hydrolytic acidification pond (3), blow-down pipe (8) are connected in distributing pipe (6) end, installation back flush pipe (10) on blow-down pipe (8).

2. The water distributor of the hydrolysis acidification tank as claimed in claim 1, wherein the bottom of the hydrolysis acidification tank (3) is provided with a sludge pipe (12) which leads into the sludge tank.

3. The water distributor of the hydrolysis acidification tank as claimed in claim 1, wherein the number of the water outlets on the water distributor (6) is several, and the water outlets are arranged on the water distributor (6) in an inclined downward 45 degrees.

4. The water distributor of the hydrolysis acidification tank as claimed in claim 1, wherein the water inlet pipe (1) is provided with a water inlet valve (2).

5. The water distributor of the hydrolysis acidification tank as claimed in claim 1, wherein the vent pipe (8) is provided with a vent valve (9).

6. The water distributor of the hydrolysis acidification tank as claimed in claim 1, wherein the back-flushing water pipe (10) is provided with a back-flushing valve (11).

7. The water distributor of the hydrolysis acidification tank as claimed in claim 1, wherein the water distribution pipe (6) is connected with the water distribution pipe (5) through a flange.

8. The water distributor of the hydrolysis acidification tank as claimed in claim 1, wherein the emptying pipe (8) is connected with the water distributor (6) by a flange.

9. The water distributor of the hydrolysis acidification tank as claimed in claim 1, wherein the back flush water pipe (10) is connected with the emptying pipe (8) through a flange.