CN215403282U - High-efficient mud circulation sedimentation tank - Google Patents
High-efficient mud circulation sedimentation tank Download PDFInfo
- Publication number
- CN215403282U CN215403282U CN202022806902.8U CN202022806902U CN215403282U CN 215403282 U CN215403282 U CN 215403282U CN 202022806902 U CN202022806902 U CN 202022806902U CN 215403282 U CN215403282 U CN 215403282U
- Authority
- CN
- China
- Prior art keywords
- sedimentation tank
- tank
- sludge
- circulation
- flocculation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004062 sedimentation Methods 0.000 title claims abstract description 61
- 239000010802 sludge Substances 0.000 claims abstract description 40
- 230000015271 coagulation Effects 0.000 claims abstract description 21
- 238000005345 coagulation Methods 0.000 claims abstract description 21
- 238000005189 flocculation Methods 0.000 claims abstract description 21
- 230000016615 flocculation Effects 0.000 claims abstract description 21
- 239000000701 coagulant Substances 0.000 claims description 9
- 230000001112 coagulating effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 17
- 239000003814 drug Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 238000005192 partition Methods 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 238000003756 stirring Methods 0.000 description 5
- 230000003311 flocculating effect Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 229940037003 alum Drugs 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model relates to a high-efficiency sludge circulating sedimentation tank which comprises a sedimentation tank body, wherein the sedimentation tank body is divided into three areas by two groups of partition plates, the three areas comprise a coagulation tank, a flocculation tank and a sedimentation tank, a water inlet pipeline is arranged on the side wall of the coagulation tank, a water outlet pipeline is arranged on the side wall of the sedimentation tank, a sludge discharge port is arranged at the lower end of the sedimentation tank, a circulating pipeline is arranged between the sedimentation tank and the water inlet pipeline, and the circulating pipeline extends into the middle of the sedimentation tank. The utility model returns the sludge in the middle of the sedimentation tank to the water inlet pipeline through the circulating pipeline and circularly adds the sludge into the coagulation tank and the flocculation tank, the returned sludge can increase the sedimentation speed of flocs, the flocculation adsorption effect of the flocs in the sludge can greatly improve the removal rate of pollutants, and simultaneously the utility model can save medicaments, maintain certain sludge concentration in the flocculation tank and resist impact load.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to a high-efficiency sludge circulating sedimentation tank.
Background
The sewage is purified to reach the water quality requirement of being discharged into a certain water body or being reused. Sewage treatment is widely applied to various fields such as building, agriculture, traffic, energy, petrochemical industry, environmental protection, urban landscape, medical treatment, food and beverage, also more and more walks into common people's daily life, and current sewage treatment pond generally sets up three processing unit, including coagulating unit, flocculation unit and precipitation unit, and this structure efficiency is general when handling waste water.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a high-efficiency sludge circulating sedimentation tank which comprises a sedimentation tank body, wherein the sedimentation tank body is divided into three areas by two groups of partition plates, the three areas comprise a coagulation tank, a flocculation tank and a sedimentation tank, a water inlet pipeline is arranged on the side wall of the coagulation tank, a water outlet pipeline is arranged on the side wall of the sedimentation tank, a sludge discharge port is arranged at the lower end of the sedimentation tank, a circulating pipeline is arranged between the sedimentation tank and the water inlet pipeline, and the circulating pipeline extends into the middle of the sedimentation tank.
Preferably, a circulation pump is provided on the circulation line.
In any of the above schemes, preferably, a first stirrer is arranged in the coagulation tank, and a stirring blade of the first stirrer extends into the bottom of the coagulation tank.
In any of the above schemes, preferably, a second stirrer is arranged in the flocculation tank, and stirring blades of the second stirrer extend into the bottom of the flocculation tank.
In any of the above schemes, preferably, a coagulant adding port is arranged at the bottom of the coagulation tank, and the coagulant adding port is used for adding a coagulant into the coagulation tank.
In any of the above schemes, preferably, a flocculant adding port is arranged at the bottom of the flocculation tank, and the flocculant adding port is used for adding a flocculant into the flocculation tank.
In any one of the above schemes, preferably, a filter screen is arranged in the sedimentation tank, and the filter screen can intercept the sludge in the sedimentation tank.
The utility model has the beneficial effects that: according to the efficient sludge circulation sedimentation tank provided by the utility model, the circulation pipeline extends into the middle part of the sedimentation tank, the sludge in the sedimentation tank has certain coagulation performance, the sludge in the middle part of the sedimentation tank flows back into the water inlet pipeline through the circulation pipeline and is circularly added into the coagulation tank and the flocculation tank, the sedimentation speed of flocs can be increased by the returned sludge, the removal rate of pollutants can be greatly improved by the flocculation adsorption effect of the flocs in the sludge, meanwhile, the medicament can be saved, certain sludge concentration in the flocculation tank can be maintained, and the impact load can be resisted.
Drawings
Fig. 1 is a schematic view of a preferred embodiment of a high efficiency sludge circulation sedimentation tank according to the present invention.
The figures are labeled as follows: 1-a sedimentation tank body; 2-a water inlet line; 3-water outlet pipeline; 4-a coagulation tank; 5-a flocculation tank; 6-a sedimentation tank; 7-first stirrer 8-second stirrer; 9-a coagulant feeding port; 10-flocculant adding port; 11-sludge discharge port; 12-a recycle line; 13-a circulation pump; 14-a screen.
Detailed Description
In order to further understand the present invention, the following detailed description is given with reference to specific embodiments.
As shown in fig. 1, the utility model provides a high-efficiency sludge circulation sedimentation tank, which comprises a sedimentation tank body 1, wherein the sedimentation tank body 1 is divided into three regions by two groups of partition plates, the three regions comprise a coagulation tank 4, a flocculation tank 5 and a sedimentation tank 6, a water inlet pipeline 2 is arranged on the side wall of the coagulation tank 4, a water outlet pipeline 3 is arranged on the side wall of the sedimentation tank 6, a sludge discharge port 11 is arranged at the lower end of the sedimentation tank 6, a circulation pipeline 12 is arranged between the sedimentation tank 6 and the water inlet pipeline 2, the circulation pipeline 12 extends into the middle of the sedimentation tank 6, so that the circulation pipeline 12 can circularly convey sludge in the middle of the sedimentation tank 6 to the water inlet pipeline, a circulation pump 13 is arranged on the circulation pipeline 12, the circulation pump 13 is used for providing power for the circulation of the circulation pipeline 12, a first stirrer 7 is arranged in the coagulation tank 4, the stirring leaf of first agitator 7 stretches into the bottom setting of coagulating basin 4, set up second agitator 8 in the flocculating basin 5, the stirring leaf of second agitator 8 stretches into the bottom setting of flocculating basin 5, coagulating basin bottom sets up coagulant dosing mouth 9, coagulant dosing mouth 9 be used for to add the coagulant in the coagulating basin, flocculating basin 5 bottom sets up flocculant dosing mouth 10, flocculant dosing mouth 10 be used for to add the flocculant in the flocculating basin, set up filter screen 14 in the sedimentation tank 6, filter screen 14 can with mud in the sedimentation tank 6 is intercepted.
In the use of this embodiment, the reaction in the coagulation tank 4: the coagulant is quickly diffused into water to destabilize the colloidal particles and has the coagulation performance; reaction in the flocculation tank 5: under the action of the flocculating agent and the return sludge, the particles with the coagulation performance are mutually aggregated, and the stirring speed is controlled by the speed-adjustable stirrer, so that the increase of flocs is promoted, and the alum flocs are dense and uniform; efficient inclined tube precipitation: in this embodiment, the sedimentation tank 6 is internally provided with an inclined tube and a mud scraper, when entering a pre-sedimentation zone with a large area, the moving speed of alum flocs is slowed down, most of suspended solids are precipitated in the zone and collected in a sludge hopper by the mud scraper, and the rest alum flocs are intercepted and removed by the inclined tube; sludge concentration: the concentration zone can be divided into two layers, one layer is arranged at the upper part of the sludge hopper, and the other layer is arranged at the bottom of the sludge hopper. The upper layer is used for sludge circulation, and the bottom layer is used for residual sludge discharge; sludge circulation: the sludge in the sedimentation tank 6 has certain coagulation performance, the returned sludge can increase the sedimentation speed of flocs, and the flocculation adsorption effect of the flocs in the sludge can improve the removal rate of pollutants to a greater extent. And meanwhile, the medicament can be saved. Maintain a certain sludge concentration in the flocculation tank and resist impact load.
It will be understood by those skilled in the art that any combination of the above-described embodiments and embodiments of the present invention and the accompanying drawings is not intended to limit the scope of the utility model and the description to the above embodiments. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a high-efficient mud circulation sedimentation tank, includes the sedimentation tank body, the sedimentation tank body divide into three region through two sets of baffles, and three region is including coagulating basin, flocculation basin and sedimentation tank, the lateral wall of coagulating basin sets up the inlet line, the lateral wall of sedimentation tank sets up outlet line, the lower extreme of sedimentation tank sets up the mud discharge port, a serial communication port, the sedimentation tank with set up the circulation pipeline between the inlet line, the circulation pipeline stretches into the middle part setting of sedimentation tank.
2. The high efficiency sludge circulation sedimentation tank defined in claim 1 wherein a circulation pump is provided in the circulation line.
3. The high-efficiency sludge circulation sedimentation tank as claimed in claim 1, wherein a first stirrer is arranged in the coagulation tank.
4. The high-efficiency sludge circulation sedimentation tank as claimed in claim 1, wherein a second stirrer is arranged in the flocculation tank.
5. The high-efficiency sludge circulation sedimentation tank as claimed in claim 1, wherein a coagulant adding port is arranged at the bottom of the coagulation tank.
6. The high-efficiency sludge circulation sedimentation tank as claimed in claim 1, wherein a flocculant dosing port is arranged at the bottom of the flocculation tank.
7. The high-efficiency sludge circulation sedimentation tank as claimed in claim 1, wherein a filter screen is arranged in the sedimentation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022806902.8U CN215403282U (en) | 2020-11-27 | 2020-11-27 | High-efficient mud circulation sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022806902.8U CN215403282U (en) | 2020-11-27 | 2020-11-27 | High-efficient mud circulation sedimentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215403282U true CN215403282U (en) | 2022-01-04 |
Family
ID=79636774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022806902.8U Expired - Fee Related CN215403282U (en) | 2020-11-27 | 2020-11-27 | High-efficient mud circulation sedimentation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215403282U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117446940A (en) * | 2023-12-25 | 2024-01-26 | 江苏环保产业技术研究院股份公司 | Environment-friendly wastewater treatment device |
-
2020
- 2020-11-27 CN CN202022806902.8U patent/CN215403282U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117446940A (en) * | 2023-12-25 | 2024-01-26 | 江苏环保产业技术研究院股份公司 | Environment-friendly wastewater treatment device |
| CN117446940B (en) * | 2023-12-25 | 2024-03-01 | 江苏环保产业技术研究院股份公司 | Environment-friendly wastewater treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220104 |