CN219709262U - Vertical flow sedimentation tank for collecting and treating floating sludge - Google Patents
Vertical flow sedimentation tank for collecting and treating floating sludge Download PDFInfo
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- CN219709262U CN219709262U CN202223030272.5U CN202223030272U CN219709262U CN 219709262 U CN219709262 U CN 219709262U CN 202223030272 U CN202223030272 U CN 202223030272U CN 219709262 U CN219709262 U CN 219709262U
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- 239000010802 sludge Substances 0.000 title claims abstract description 147
- 238000004062 sedimentation Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 238000012546 transfer Methods 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 210000005056 cell body Anatomy 0.000 abstract 3
- 238000000034 method Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
A vertical flow sedimentation tank for collecting and handling come-up sludge is favorable to getting into the play water when reducing the come-up sludge and scatter, makes the water quality of water better more stable, a serial communication port, including the cell body, the interior perisporium upper portion of cell body is provided with the annular overflow launder of intercommunication outlet pipe, the interior ring side top of annular overflow launder is the overflow weir, the interior ring limit of overflow weir is provided with the fender that the topside is higher than the weir face, fender inboard interval is provided with a plurality of mud collecting vat, the central reaction tube that stands in the cell body middle part is connected through the sludge transfer pump to the mud collecting vat.
Description
Technical Field
The utility model relates to the technical field of water treatment, in particular to a vertical flow sedimentation tank for collecting and treating floating sludge, which is favorable for reducing the entering water when the floating sludge is scattered, so that the water quality of the water is better and more stable.
Background
The vertical flow sedimentation tank is increasingly applied in the water treatment technology, and provides good guarantee for water quality purification, but bubbles are generated in the sedimented sludge to cause the sludge to float upwards due to anaerobic digestion, denitrification, chemical reaction and other reasons in the water treatment process. The vertical flow sedimentation tank is mainly characterized in that a middle inlet and a periphery outlet are mainly arranged in the sedimentation tank, a mud baffle and an overflow weir are arranged in the sedimentation tank, floating mud diffuses along with water flowing to the periphery, and some particles in the mud diffuse and enter water from the mud baffle after being gathered in front of the mud baffle, so that the water quality of the water is influenced. Aiming at the problems exposed by the current sedimentation device, the method is necessary to study the collection and treatment of the floating sludge from the water surface, and reduces the possibility of the floating sludge entering the effluent.
Disclosure of Invention
Aiming at the defects or shortcomings in the prior art, the utility model provides the vertical flow sedimentation tank for collecting and treating the floating sludge, which is favorable for reducing the entering water when the floating sludge is scattered, so that the water quality of the water is better and more stable.
The technical scheme of the utility model is as follows:
a vertical flow sedimentation tank for collecting and treating floating sludge is characterized by comprising a tank body, wherein an annular overflow groove communicated with a water outlet pipe is formed in the upper portion of the inner peripheral wall of the tank body, an overflow weir is arranged at the top of the inner annular side of the annular overflow groove, a mud baffle with the top edge higher than a weir surface is arranged on the inner annular side of the overflow weir, a plurality of sludge collecting tanks are arranged at intervals on the inner side of the mud baffle, and the sludge collecting tanks are connected with a central reaction tube standing in the middle of the tank body through a sludge conveying pump.
The output port of the sludge conveying pump is connected with the central reaction pipe through a sludge conveying pipe, the input port of the sludge conveying pump is connected with the sludge collecting tank through a sludge conveying pipe with an electromagnetic valve, a mechanical rotary sludge scraper which extends to the bottom of the tank is arranged above the central reaction pipe, and the mechanical rotary sludge scraper, the electromagnetic valve and the sludge conveying pump are respectively connected with a control cabinet.
The sludge collecting tank is a groove with the length of 20-200cm, the width of 10-50cm and the depth of 10-100cm, and the upper edge of the sludge collecting tank is 5-50cm away from the water surface.
The top surface of the overflow weir is of a sawtooth structure.
The utility model has the following technical effects: according to the vertical flow sedimentation tank for collecting and treating the floating sludge, the floating sludge is collected and sent into the central reaction tube to break bubbles in the floating sludge, so that the sludge sinks again, and the influence on the water quality of effluent when the floating sludge is scattered can be reduced.
Drawings
FIG. 1 is a schematic diagram of a vertical sedimentation tank for collecting and treating floating sludge, which is used for implementing the utility model.
Fig. 2 is a schematic view of a vertical cross-sectional structure of the vertical flow sedimentation tank of fig. 1.
The reference numerals are listed below: 1-a pool body; 2-overflow weir; 3-a fender; 4-a central reaction tube; 5-mechanically rotating a mud scraper; 6-a sludge collection tank; 7-a sludge transfer pipe; 8-a sludge conveying pump; 9-a control cabinet.
Detailed Description
The utility model is described below with reference to the figures (fig. 1-2) and examples.
FIG. 1 is a schematic diagram of a vertical sedimentation tank for collecting and treating floating sludge, which is used for implementing the utility model. Fig. 2 is a schematic view of a vertical cross-sectional structure of the vertical flow sedimentation tank of fig. 1. Referring to fig. 1 to 2, a vertical flow sedimentation tank for collecting and treating floating sludge comprises a tank body 1, an annular overflow groove communicated with a water outlet pipe is formed in the upper portion of the inner peripheral wall of the tank body 1, an overflow weir 2 is arranged at the top of the inner annular side of the annular overflow groove, a mud baffle 3 with the top edge higher than a weir surface is arranged on the inner annular side of the overflow weir 2, a plurality of sludge collecting grooves 6 are formed in the inner side of the mud baffle 3 at intervals, and the sludge collecting grooves 6 are connected with a central reaction tube 4 standing in the middle of the tank body through a sludge conveying pump 8. The output port of the sludge conveying pump 8 is connected with the central reaction tube 4 through a sludge conveying tube, the input port of the sludge conveying pump 8 is connected with the sludge collecting tank 6 through a sludge conveying tube 7 with an electromagnetic valve, a mechanical rotary sludge scraper 5 extending to the bottom of the tank is arranged above the central reaction tube 4, and the mechanical rotary sludge scraper 5, the electromagnetic valve and the sludge conveying pump 8 are respectively connected with a control cabinet 9.
The sludge collecting tank 6 is a groove with the length of 20-200cm, the width of 10-50cm and the depth of 10-100cm, and the upper edge of the sludge collecting tank is 5-50cm away from the water surface. The top surface of the overflow weir 2 is of a sawtooth structure.
A vertical flow sedimentation tank device capable of collecting and treating floating sludge and reducing the scattering of the floating sludge into water outlet comprises a sedimentation tank body, an overflow weir, a mud guard, a central reaction tube, a mechanical rotary mud scraper, a sludge collecting tank, a sludge conveying tube, a sludge conveying pump, a control cabinet and the like. After the floating sludge is collected by the sludge collecting tank, the floating sludge flows back to the central reaction tube through the sludge conveying tube and the sludge conveying pump and sinks again to form precipitated sludge, so that the water entering the floating sludge when the floating sludge is scattered is reduced, and the water quality of the water is better and more stable.
A vertical flow sedimentation tank capable of collecting and treating floating sludge mainly comprises a tank body (1), an overflow weir (2), a mud baffle (3), a central reaction tube (4), a mechanical rotation mud scraper (5), a sludge collecting tank (6), a sludge conveying tube (7), a sludge conveying pump (8), a control cabinet (9) and the like.
The overflow weir is annularly arranged in the annular tank body.
The mud guard is annularly arranged on the inner side of the overflow weir, and a sludge collecting tank is arranged in a part of the interval in front of the mud guard.
The sludge collecting tank is characterized in that a groove with the length of 20-200cm, the width of 10-50cm and the depth of 10-100cm is designed below the water surface, the groove can be designed as a whole with the mud guard, the groove can be fixed on the tank body at the position close to the mud guard, the groove is designed to be arc-shaped and consistent with the mud guard, the groove can also be designed into other shapes, and the groove can be designed into a plurality of grooves according to the requirement; the upper edge of the groove is quadrilateral or polygonal or arc-shaped, and can feed water at one side or at the same time. The lower part or the side surface of the groove is provided with a mud water outlet which is connected with a mud water transmission pipe; the upper edge of the sludge collecting tank is horizontal and is close to the water surface, and each edge of the upper edge is 5-50cm away from the water surface.
One end of the sludge transmission pipe is connected with the sludge collecting tank, and the other end of the sludge transmission pipe is connected with the sludge conveying pump, so that a sludge-water mixture is transmitted to the central reaction pipe from the sludge collecting tank; the sludge conveying pipes can be connected with one sludge conveying pump, and the electromagnetic valves are respectively arranged on the sludge conveying pipes, so that the sludge conveying pipes can be switched by the controller to control the muddy water of certain sludge conveying pipes to enter the sludge conveying pump.
The sludge conveying pump is used for providing power for the process of conveying the sludge-water mixture from the sludge collecting tank to the central reaction tube, and can be started and stopped through the control cabinet; the sludge conveying pump is arranged on the working bridge or the central reaction tube.
The control cabinet provides power for equipment such as a mechanical rotary mud scraper, a mud conveying pump and the like, and can start and stop the mud conveying pump as required.
Examples
Through researches, a large number of bubbles exist in the floating sludge, if the bubbles are crushed, the sludge can sink again, so that a vertical flow type sedimentation device for collecting the floating sludge can be developed, the floating sludge can be collected and treated, and the influence on the water quality of effluent when the floating sludge is scattered is reduced.
In order to solve the problems, the utility model provides the following technical scheme: a vertical flow sedimentation tank capable of reducing floating sludge mainly comprises a tank body 1, an overflow weir 2, a mud baffle 3, a central reaction tube 4, a mechanical rotation mud scraper 5, a mud collecting tank 6, a mud conveying tube 7, a mud conveying pump 8, a control cabinet 9 and the like.
Specifically, the vertical flow sedimentation tank is circular, the overflow weir is annularly arranged in the annular tank body, the overflow weir is provided with a serration plate, the serration plate is horizontally provided with an overflow groove, and the overflow groove gathers the effluent into a water outlet pipe; the mud guard is arranged in the overflow weir, is annularly arranged on the inner side of the overflow weir, is higher than the water outlet surface on the mud guard, is immersed in water, and is provided with a sludge collecting tank in a part of the interval in front of the mud guard.
Specifically, the sludge collecting tank is a groove with the length of 100cm, the width of 30cm and the depth of 50cm is designed below the water surface, the groove is designed to be in an arc shape consistent with the mud guard, and the groove can also be designed in the mud guard to be close to the mud guard and be fixed on the tank body; the upper edge of the groove is quadrilateral or polygonal, so that water can be fed at one side or at the same time; the side surface of the lower part of the groove is provided with a mud water outlet which is connected with a mud water transmission pipe; the upper edge of the sludge collecting tank is horizontal, and the upper edge is close to the water surface and is 10cm away from the water surface.
Specifically, one end of the sludge collecting tank is connected with a sludge conveying pipe, the other end of the sludge conveying pipe is connected with a sludge conveying pump, and the sludge conveying pump conveys a sludge-water mixture from the sludge collecting tank to the central reaction pipe; several sludge transfer pipes are connected with a sludge transfer pump, and the sludge transfer pipe connection position is provided with an electromagnetic valve for sludge transfer, and the sludge of the sludge transfer pipe can be switched and controlled by a controller to enter the sludge transfer pump.
Specifically, the sludge conveying pump provides power for the process of conveying the sludge-water mixture from the sludge collecting tank to the central reaction tube, and is arranged on the working bridge or the central reaction tube; the control cabinet provides power for equipment such as a mechanical rotary mud scraper, a mud conveying pump and the like, and the mud conveying pump can be started and stopped as required through the control cabinet.
The working principle and the using flow of the utility model are as follows: after sewage to be flocculated and precipitated enters a central reaction tube of a vertical flow sedimentation tank, mud and water are gradually separated, sludge is distributed and precipitated at the bottom of the tank, and is scraped by a mechanical rotary mud scraper and then sent out of the system; the water quality is purified, and the purified water flows to the peripheral overflow weir and is collected by the overflow trough to enter the water outlet pipe. The sludge floats upwards due to bubbles generated by anaerobic digestion, denitrification, chemical reaction and other factors, and the floating sludge flows to the mud guard along with water flow and gathers in front of the mud guard. After the sludge conveying pump is started, a sink empty area appears above the sludge collecting tank, the sludge above the groove falls into the groove, peripheral floating sludge also enters the groove along with water flow, a mixture of the sludge and the water enters the central reaction tube through the sludge conveying tube and the sludge conveying pump, the sludge is broken along with the falling of the sludge and the shearing action of the sludge conveying pump, so that bubbles in the sludge overflow, the sludge without bubbles sinks again in the central reaction tube, the sludge becomes precipitated sludge again, and condensation nuclei can be increased for sludge aggregation in the process. The sludge recovered from the central reaction tube can reduce the residence of the floating sludge on the water surface, and the floating sludge is reduced to enter the effluent when scattered on the water surface, so that the better quality of the effluent is promoted.
What is not described in detail in the present specification belongs to the prior art known to those skilled in the art. It is noted that the above description is helpful for a person skilled in the art to understand the present utility model, but does not limit the scope of the present utility model. Any and all such equivalent substitutions, modifications and/or deletions as may be made without departing from the spirit and scope of the utility model.
Claims (4)
1. A vertical flow sedimentation tank for collecting and treating floating sludge is characterized by comprising a tank body, wherein an annular overflow groove communicated with a water outlet pipe is formed in the upper portion of the inner peripheral wall of the tank body, an overflow weir is arranged at the top of the inner annular side of the annular overflow groove, a mud baffle with the top edge higher than a weir surface is arranged on the inner annular side of the overflow weir, a plurality of sludge collecting tanks are arranged at intervals on the inner side of the mud baffle, and the sludge collecting tanks are connected with a central reaction tube standing in the middle of the tank body through a sludge conveying pump.
2. The vertical flow sedimentation tank for collecting and treating floating sludge according to claim 1, wherein an output port of the sludge transfer pump is connected with the central reaction tube through a sludge transfer tube, an input port of the sludge transfer pump is connected with the sludge collecting tank through a sludge transfer tube with an electromagnetic valve, a mechanical rotary sludge scraper extending to a tank bottom is arranged above the central reaction tube, and the mechanical rotary sludge scraper, the electromagnetic valve and the sludge transfer pump are respectively connected with a control cabinet.
3. The vertical flow sedimentation tank for collecting and treating floating sludge according to claim 1, wherein the sludge collection tank is a groove having a length of 20-200cm, a width of 10-50cm and a depth of 10-100cm, and an upper edge of the sludge collection tank is 5-50cm from the water surface.
4. The vertical flow sedimentation tank for collecting and treating floating sludge according to claim 1, wherein the overflow weir top surface is of a saw tooth structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223030272.5U CN219709262U (en) | 2022-11-15 | 2022-11-15 | Vertical flow sedimentation tank for collecting and treating floating sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223030272.5U CN219709262U (en) | 2022-11-15 | 2022-11-15 | Vertical flow sedimentation tank for collecting and treating floating sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219709262U true CN219709262U (en) | 2023-09-19 |
Family
ID=88001998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223030272.5U Active CN219709262U (en) | 2022-11-15 | 2022-11-15 | Vertical flow sedimentation tank for collecting and treating floating sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219709262U (en) |
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2022
- 2022-11-15 CN CN202223030272.5U patent/CN219709262U/en active Active
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