CN220736350U - Mud-water separation structure of sludge tank in advection sedimentation tank - Google Patents
Mud-water separation structure of sludge tank in advection sedimentation tank Download PDFInfo
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- CN220736350U CN220736350U CN202322418611.5U CN202322418611U CN220736350U CN 220736350 U CN220736350 U CN 220736350U CN 202322418611 U CN202322418611 U CN 202322418611U CN 220736350 U CN220736350 U CN 220736350U
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- Prior art keywords
- sludge
- tank
- valve
- water separation
- separation structure
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- 239000010802 sludge Substances 0.000 title claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000004062 sedimentation Methods 0.000 title claims abstract description 24
- 238000000926 separation method Methods 0.000 title claims abstract description 15
- 238000010992 reflux Methods 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 11
- 239000011148 porous material Substances 0.000 abstract description 16
- 239000010865 sewage Substances 0.000 abstract description 13
- 238000007790 scraping Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 239000013049 sediment Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
Abstract
The utility model provides a mud-water separation structure of sludge impoundment in advection sedimentation tank, includes a plurality of sludge impoundments, and one side of a plurality of sludge impoundments is equipped with the backward flow pond, the intercommunicating pore has been seted up to the sludge impoundment in the pool wall that is located backward flow pond one side, and the valve is installed to one side of intercommunicating pore, the bottom of intercommunicating pore is less than 1/3 of the pool top to the bottom of a pool distance of sludge impoundment to the pool top distance. When the sludge tank is full, the sludge feeding is stopped, after the sewage is settled, the valve is opened to discharge clean water, when the sludge scraping and sucking machine is operated, the valve is closed, and the sewage cannot enter the reflux tank. Through the upper clean water discharge of opening and closing valve control, do not need to carry out PAM flocculant's interpolation and immersible pump and lay, simple structure, convenient to use.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a sludge-water separation structure of a sludge tank in a advection sedimentation tank.
Background
Referring to fig. 3 and 4, a sludge pond 1 in the existing advection sedimentation pond in a factory is communicated with a supernatant fluid reflux pond 2 by adopting a communication groove 7, when a sludge scraping and sucking machine operates, sewage enters the sludge pond 1 and is not precipitated later, part of sewage directly enters the supernatant fluid reflux pond 2, the effective volume of the sludge pond 1 cannot be fully utilized, a PAM flocculating agent adding mode is assisted to perform rapid mud-water separation, clear water in the sludge pond 1 is pumped into the supernatant fluid reflux pond 2 by a submersible pump, and then the sludge scraping and sucking machine operates.
Through repeated test observation, the sediment of the sedimentation tank is extracted and then is naturally sedimented in a measuring cylinder for 12 hours, the mud-water separation ratio is 2:1, and through the data, the inventor improves the drainage structure of the existing sludge tank 1.
Disclosure of Invention
The utility model aims to solve the technical problems that: the problem that exists among the above-mentioned background art is solved, provide a mud pond mud-water separation structure in advection sedimentation tank, through set up the intercommunicating pore at the pool wall that is located backward flow pond one side at the mud pond, the valve is installed to one side of intercommunicating pore, the bottom of intercommunicating pore is less than 1/3 of the pond top to the bottom of the pond distance of mud pond to the pond top of mud pond, when mud pond 1 is full soon, stop advancing mud, wait for behind the sewage deposit, open the valve and discharge clear water afterwards, when scraping the operation of suction dredge, close the valve, sewage can not enter into in the backward flow pond 2. Through the upper clean water discharge of opening and closing valve control, do not need to carry out PAM flocculant's interpolation and immersible pump and lay, simple structure, convenient to use.
In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: the utility model provides a mud-water separation structure of sludge impoundment in advection sedimentation tank, includes a plurality of sludge impoundments, and one side of a plurality of sludge impoundments is equipped with the backward flow pond, the intercommunicating pore has been seted up to the sludge impoundment in the pool wall that is located backward flow pond one side, and the valve is installed to one side of intercommunicating pore, the bottom of intercommunicating pore is less than 1/3 of the pool top to the bottom of a pool distance of sludge impoundment to the pool top distance.
The valve is arranged at one side of the reflux tank.
And a pipeline is arranged in the communication hole, one end of the pipeline is connected with the sludge tank and is communicated with the communication hole, the other end of the pipeline is provided with a first flange, and the valve is arranged on the first flange.
The end part of one end of the pipeline, which is connected with the sludge tank, is provided with a second flange, and the second flange is fixedly arranged on the tank wall of the sludge tank through bolts after the pipeline passes through the communication hole.
The valve adopts a pneumatic butterfly valve.
The sludge tank is internally provided with a liquid level meter, the liquid level meter is electrically connected with a controller, the controller is electrically connected with an electromagnetic valve for controlling the action of the pneumatic butterfly valve, and the electromagnetic valve is connected with a pneumatic butterfly valve air pipe.
The utility model has the following beneficial effects:
1. through set up the intercommunicating pore in the pool wall that is located reflux tank one side in the sludge impoundment, the valve is installed to one side of intercommunicating pore, and the bottom of intercommunicating pore is less than 1/3 of the pool top to the bottom of the pool distance of sludge impoundment, when the sludge impoundment is full soon, stops into mud, waits for behind the sewage sediment, opens the valve after that and discharges the clear water, when scraping the suction dredge operation, closes the valve, and sewage can not enter into in the reflux tank. Through the upper clean water discharge of opening and closing valve control, do not need to carry out PAM flocculant's interpolation and immersible pump and lay, simple structure, convenient to use.
2. The end part of one end of the pipeline connected with the sludge tank 1 is provided with a second flange, and after the pipeline passes through the communication hole, the second flange is fixedly installed with the tank wall of the sludge tank through bolts, so that the open pore installation and the fixed pipeline are conveniently improved in the horizontal sedimentation tank of the concrete structure.
3. A liquid level meter is arranged in the sludge tank, so that the automatic closing of the valve is realized.
Drawings
Fig. 1 is a schematic top view structure of an improved advection sedimentation tank.
FIG. 2 is a schematic view of the cross-sectional structure of A-A in FIG. 1 after the advection sedimentation tank is improved.
Fig. 3 is a schematic top view of the horizontal sedimentation tank before improvement.
FIG. 4 is a schematic view of the cross-sectional structure of B-B in FIG. 3 before improvement of the horizontal sedimentation tank.
In the figure: 1 sludge tank, 11 tank top, 2 reflux tank, 3 communication hole, 4 valve, 5 pipe, 51 first flange, 52 second flange, 6 liquid level meter.
Detailed Description
Embodiments of the present utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1-2, a sludge-water separation structure of a sludge pond in a advection sedimentation pond comprises a plurality of sludge ponds 1, wherein one sides of the sludge ponds 1 are provided with backflow ponds 2, a communication hole 3 is formed in a pond wall positioned on one side of the backflow ponds 2 in the sludge pond 1, a valve 4 is arranged on one side of the communication hole 3, and the distance from the bottom of the communication hole 3 to the pond top 11 of the sludge pond 1 is less than 1/3 of the distance from the pond top 11 to the pond bottom of the sludge pond 1. Through set up the intercommunicating pore in the pool wall that is located reflux tank one side in the sludge impoundment, the valve is installed to one side of intercommunicating pore, as shown in figure 2, the bottom of intercommunicating pore is less than 1/3 of the pond top to bottom of the pool distance L of sludge impoundment, when sludge impoundment 1 is full soon, stops into mud, after waiting for sewage to deposit, opens the valve after that and discharges clear water, when scraping the operation of suction dredge, closes the valve, and sewage can not enter into in the reflux tank 2. Through the upper clean water discharge of opening and closing valve control, do not need to carry out PAM flocculant's interpolation and immersible pump and lay, simple structure, convenient to use.
Specifically, to facilitate operation of the valve 4, the valve 4 is installed at one side of the return tank 2.
When the advection sedimentation tank is of a concrete structure, the valve 4 can be directly connected with a concrete bolt by adopting a gate valve, and when the advection sedimentation tank is of a metal structure, the gate valve can be welded on the tank wall. When the valve is installed, the sealing effect of the joint between the valve and the tank wall needs to be ensured, for example, the joint is leak-proof by adopting a sealing gasket and sealant.
Further, in order to facilitate the installation and replacement of the valve 4, a pipe 5 is installed in the communication hole 3, one end of the pipe 5 is connected with the sludge tank 1 and is communicated with the communication hole 3, a first flange 51 is installed at the other end of the pipe 5, and the valve 4 is installed on the first flange 51.
Furthermore, when the advection sedimentation tank is concrete, the existing advection sedimentation tank is improved, so that the installation and the fixation of the pipeline 5 are facilitated, a second flange 52 is arranged at the end part of one end of the pipeline 5 connected with the sludge tank 1, and after the pipeline 5 passes through the communication hole 3, the second flange 52 is fixedly installed with the tank wall of the sludge tank 1 through bolts, and the second flange 52 is positioned in the sludge tank 1.
When the sludge tank is used, the first flange 51 is welded with the pipeline 5, then the pipeline 5 is inserted into the communication hole 3, then the second flange 52 is welded in the sludge tank 1 in a spot mode, sealing glue is filled between the second flange 52 and the tank wall and between the pipeline 5 and the communication hole 3, the second flange 52 is fixedly installed with the tank wall through expansion bolts, the installation of the pipeline 5 is completed, and the pipeline 5 is stable and firm in installation and good in sealing performance.
In the preferred scheme, the valve 4 adopts a pneumatic butterfly valve, so that pneumatic control is facilitated, and compared with an electric valve, the pneumatic valve is not easy to damp in a water environment, and has higher safety and durability.
Further, a liquid level meter 6 is arranged in the sludge pond 1, the liquid level meter 6 is electrically connected with a controller, the controller is electrically connected with an electromagnetic valve for controlling the action of a pneumatic butterfly valve, and the electromagnetic valve is connected with a pneumatic butterfly valve air pipe. Through the structure, the valve is automatically closed. Specifically, the liquid level gauge 6 is a floating ball type liquid level gauge. The controller may employ a PLC.
The working principle of the utility model is as follows:
when the sludge tank 1 is full, the sludge feeding is stopped, the valve 4 is opened to discharge clean water after the sewage is settled, and when the water in the sludge tank 1 is positioned at the lower limit of the liquid level meter 6, the valve 4 is controlled to be closed. When the sludge scraping and sucking machine is operated, sewage in the sludge tank 1 cannot enter the reflux tank 2. The upper clean water is discharged through the on-off valve 4, so that the PAM flocculant is not required to be added and the submersible pump is not required to be arranged, and the device is simple in structure and convenient to use.
Claims (6)
1. Sludge-water separation structure in advection sedimentation tank, including a plurality of sludge ponds (1), one side of a plurality of sludge ponds (1) is equipped with backward flow pond (2), its characterized in that: the sludge tank (1) is provided with a communication hole (3) on the tank wall at one side of the backflow tank (2), one side of the communication hole (3) is provided with a valve (4), and the distance from the bottom of the communication hole (3) to the tank top (11) of the sludge tank (1) is less than 1/3 of the distance from the tank top (11) of the sludge tank (1) to the tank bottom.
2. The sludge-water separation structure of a advection sedimentation tank according to claim 1, wherein: the valve (4) is arranged at one side of the reflux tank (2).
3. The sludge-water separation structure of a advection sedimentation tank according to claim 1, wherein: a pipeline (5) is arranged in the communication hole (3), one end of the pipeline (5) is connected with the sludge tank (1) and is communicated with the communication hole (3), a first flange (51) is arranged at the other end of the pipeline, and the valve (4) is arranged on the first flange (51).
4. A sludge-water separation structure in a advection sedimentation tank according to claim 3, characterized in that: the end part of one end of the pipeline (5) connected with the sludge tank (1) is provided with a second flange (52), and after the pipeline (5) passes through the communication hole (3), the second flange (52) is fixedly arranged on the tank wall of the sludge tank (1) through bolts.
5. The sludge-water separation structure of a advection sedimentation tank according to claim 1, wherein: the valve (4) adopts a pneumatic butterfly valve.
6. The sludge-water separation structure of a advection sedimentation tank according to claim 5, wherein: the sludge tank (1) is internally provided with a liquid level meter (6), the liquid level meter (6) is electrically connected with a controller, the controller is electrically connected with an electromagnetic valve for controlling the action of a pneumatic butterfly valve, and the electromagnetic valve is connected with a pneumatic butterfly valve air pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322418611.5U CN220736350U (en) | 2023-09-06 | 2023-09-06 | Mud-water separation structure of sludge tank in advection sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322418611.5U CN220736350U (en) | 2023-09-06 | 2023-09-06 | Mud-water separation structure of sludge tank in advection sedimentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220736350U true CN220736350U (en) | 2024-04-09 |
Family
ID=90554539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322418611.5U Active CN220736350U (en) | 2023-09-06 | 2023-09-06 | Mud-water separation structure of sludge tank in advection sedimentation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220736350U (en) |
-
2023
- 2023-09-06 CN CN202322418611.5U patent/CN220736350U/en active Active
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