CN210933912U - Sedimentation tank with flushing pipeline - Google Patents
Sedimentation tank with flushing pipeline Download PDFInfo
- Publication number
- CN210933912U CN210933912U CN201921320328.6U CN201921320328U CN210933912U CN 210933912 U CN210933912 U CN 210933912U CN 201921320328 U CN201921320328 U CN 201921320328U CN 210933912 U CN210933912 U CN 210933912U
- Authority
- CN
- China
- Prior art keywords
- flushing
- pump
- mud
- valve
- pipeline
- Prior art date
- 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
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 112
- 238000004062 sedimentation Methods 0.000 title claims abstract description 63
- 239000010802 sludge Substances 0.000 claims abstract description 106
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 230000000694 effects Effects 0.000 abstract description 8
- 239000002562 thickening agent Substances 0.000 abstract description 2
- 208000028659 discharge Diseases 0.000 description 33
- 238000005406 washing Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 10
- 239000010865 sewage Substances 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Landscapes
- Treatment Of Sludge (AREA)
- Sewage (AREA)
Abstract
The utility model discloses a sedimentation tank with a flushing pipeline, wherein a mud bucket is arranged at the bottom of the sedimentation tank, a mud outlet of the mud bucket is connected with a mud pump through a mud discharge pipeline, a mud valve is arranged on the mud discharge pipeline, the mud pump conveys mud to a mud thickener through a mud pipe, and a mud pump check valve and a mud pump delivery valve are sequentially arranged on the mud pipe; the water outlet of the sedimentation tank is connected with a flushing pipeline, a flushing pump water inlet valve, a flushing pump water outlet check valve and a flushing pump water outlet valve are sequentially arranged on the flushing pipeline, the flushing pipeline is divided into two flushing branches after the flushing pump water outlet valve, one flushing branch is communicated with the sludge discharge pump, and the other flushing branch is connected with the sludge discharge valve. The utility model discloses the sedimentation tank is from taking the flushing line way, and behind row's mud at every turn, usable flushing line will arrange the mud in the mud pipeline and wash, has effectively prevented because mud deposit and scale deposit cause row's mud pipeline to block up to effectively guaranteed that the sedimentation tank still has good row's mud effect after long-time operation.
Description
Technical Field
The utility model relates to a sedimentation tank of pipeline is washed in area belongs to sewage treatment technical field.
Background
The sedimentation tank is a structure for removing suspended matters in water by applying sedimentation, and belongs to water quality purification equipment. Suspended matters, particles and partial colloid in water are removed by utilizing the natural precipitation or coagulating sedimentation effect of the water body, so that the water quality sensory indexes such as turbidity, chromaticity and the like of raw water can be reduced, and various toxic and harmful pollutants can be removed. The sedimentation tank is divided into a horizontal sedimentation tank and a vertical sedimentation tank according to the water flow direction. The structures for separating sludge and water before or after biochemical treatment are mostly sludge with finer separation particles. Before biochemistry, the sludge is called a primary sedimentation tank, the inorganic components of the precipitated sludge are more, and the water content of the sludge is lower than that of the sludge in a secondary sedimentation tank. The sedimentation tank after biochemistry is generally called as a secondary sedimentation tank, most of the sedimentation tank is organic sludge, and the water content of the sludge is high. In order to improve the sedimentation effect and reduce the land occupation area, the honeycomb inclined tube counter-current sedimentation tank, the accelerated clarification tank, the pulse clarification tank and other types are mostly adopted at present.
The various types of settling ponds currently operated in the industry present a significant problem: because the pond body need regularly arrange mud so that the pond body resumes the treatment effect at the operation in-process, because the dredge pump is periodically opened, the inside long-pending mud that has of back is opened and is closed to the dredge pipeline, mud in the pipeline can cause mud in the dredge pipeline because deposit and scale deposit after so reciprocating operation long time blocks up the dredge pump even, causes the unable normal mud of arranging of sedimentation tank, influences the system operation. In actual engineering, a sludge pump is used for standby, when one sludge pump or pipeline is blocked, maintenance is carried out, and the other sludge pump is started. However, the sludge discharge pipeline is mostly arranged below the ground at the bottom of the tank body, so that the replacement is extremely troublesome. Or the hardened sludge is flushed by a high-pressure water gun, but the flushing effect is poor because the hardened sludge is blocked in a pipeline in a large area, and the hardened sludge cannot be dredged basically by flushing.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims to solve the technical problem that a sedimentation tank of pipeline is washed in area is provided, this sedimentation tank still has good row's mud effect after long-time operation, has solved the mud jam in the pipeline that appears after the current sedimentation tank reciprocating operation longer time, and then causes the dredge pump to block up, finally causes the unable normal problem of arranging mud of sedimentation tank.
In order to solve the above technical problem, the utility model discloses the technical means who adopts do:
a sedimentation tank with a flushing pipeline is characterized in that a mud bucket is arranged at the bottom of the sedimentation tank, a mud outlet of the mud bucket is connected with a mud pump through a mud discharge pipeline, a mud valve is arranged on the mud discharge pipeline, the mud pump conveys mud to a mud concentration tank through an outlet pipeline, and a mud pump check valve and a mud pump delivery valve are sequentially arranged on the outlet pipeline; the water outlet of the sedimentation tank is connected with a flushing pipeline, a flushing pump water inlet valve, a flushing pump water outlet check valve and a flushing pump water outlet valve are sequentially arranged on the flushing pipeline, the flushing pipeline is divided into two flushing branches after the flushing pump water outlet valve, one flushing branch is communicated with the sludge discharge pump, and the other flushing branch is connected with the sludge discharge valve.
The device comprises a mud valve, a mud pump, a check valve of the mud pump, an outward delivery valve of the mud pump, a water inlet valve of the flushing pump, a water outlet check valve of the flushing pump and a water outlet valve of the flushing pump, wherein the device also comprises a PLC control box for controlling the opening and closing of each valve and each pump, and the mud valve, the mud pump, the check valve of the mud pump, the outward delivery valve of the mud pump, the water inlet valve.
The mud bucket is a spiral-flow type mud bucket, a plurality of grooves are formed in the inner side wall of the mud bucket, the grooves extend from the top of the mud bucket to the bottom of the mud bucket, and the grooves are spiral.
Wherein, the mud pump and the back end pipeline of the flushing pump are connected with pressure gauges.
Wherein, the water inlet valve of the flushing pump, the water outlet valve of the flushing pump and the mud pump delivery valve are all electric ball valves; the mud valve is an electric gate valve.
Compared with the prior art, the utility model discloses technical scheme has beneficial effect does:
the utility model discloses the sedimentation tank is from taking the flushing line way, and behind row's mud at every turn, usable flushing line will arrange the mud in the mud pipeline and wash, has effectively prevented because mud deposit and scale deposit cause row's mud pipeline to block up to effectively guaranteed that the sedimentation tank still has good row's mud effect after long-time operation.
Drawings
FIG. 1 is a schematic diagram of the structure of the sedimentation tank of the present invention;
FIG. 2 is a top view of the sedimentation tank of the present invention;
FIG. 3 is a side view of the sedimentation tank of the present invention;
fig. 4 is a cross-sectional view of the mud bucket.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings and the specific embodiments.
As shown in fig. 1-4, in the sedimentation tank with a flushing pipeline of the present invention, a mud bucket 2 is arranged at the bottom of the sedimentation tank 1, a mud outlet of the mud bucket 2 is connected with a mud pump 4 through a mud discharge pipeline 3, the mud discharge pipeline 3 is provided with a mud discharge valve 5, the mud pump 4 delivers mud to a mud thickener 7 through an outlet pipeline 6, and the outlet pipeline 6 is sequentially provided with a mud pump check valve 8 and a mud pump delivery valve 9; a water outlet 10 of the sedimentation tank 1 is connected with a flushing pipeline 11, a flushing pump water inlet valve 12, a flushing pump 13, a flushing pump water outlet check valve 14 and a flushing pump water outlet valve 15 are sequentially arranged on the flushing pipeline 11, the flushing pipeline 11 is divided into two flushing branches after the flushing pump water outlet valve 15, one flushing branch is communicated with the sludge pump 4, and the other flushing branch is connected with the sludge valve 5. The utility model discloses take flushing line's sedimentation tank is still including the PLC control box that is used for controlling each valve and the pump is opened and close, mud valve 5, dredge pump 4, dredge pump check valve 8, dredge pump outward send valve 9, flush pump water intaking valve 12, flush pump 13, flush pump discharge water check valve 14 and flush pump discharge water valve 15 are connected with the PLC control box through the cable respectively.
The sludge discharge hopper at the bottom of the sedimentation tank 1 adopts a spiral-flow type sludge hopper, so that the problem of sludge hardening caused by long-term sludge accumulation can be solved. Conventional mud bucket is for leaking hopper-shaped, and mud all concentrates on the bottom after the mud scraper of bottom is collected during the sedimentation tank operation, and the easy caking of bed mud of long-time operation back is hardened, if this part mud enters into and causes risks such as pipe blockage, mud pump damage in the mud pipe way. The utility model discloses a spiral-flow type mud bucket is equipped with 10 spiral grooves 16 at the inside wall of mud bucket when pouring, and recess 16 extends to the bottom from the top of mud bucket, and when opening mud valve 5, rivers form the swirl along the recess 16 of mud bucket inside wall in the mud bucket, stir the more closely knit long-pending mud in bottom and scatter, prevent that massive holding group mud from blockking up mud pipe.
The utility model discloses the sedimentation tank is equipped with two pipelines, one for arranging the mud pipeline, one for washing the pipeline, the problem of the mud is arranged in order to reach the current sedimentation tank of solution to the cooperation operation of two pipelines. The sludge discharge pipeline 3 is provided with a sludge discharge valve 5 at the sludge discharge pipe opening of the tank body, the sludge discharge valve 5 adopts an electric gate valve, the protection grade of an electric actuator reaches IP68, and the gate valve can prevent the situation that the valve cannot be opened due to the blockage of accumulated sludge at the bottom of the tank body for a long time. The back of the sludge discharge valve 5 is connected with a sludge discharge pump 4 through a pipeline, a pressure gauge 17 is arranged at the outlet of the sludge discharge pump 4, and a back sludge discharge pump check valve 8 and a sludge discharge pump delivery valve 9 are conveyed to a sludge concentration tank 7. The flushing pipeline 11 is provided with a flushing pump inlet valve 12 at the outlet of the tank body water outlet groove 10, the valve is an electric butterfly valve, the flushing pump inlet valve 12 is connected with a flushing pump 13 through a pipeline, and the flushing pump 13 is provided with a pressure gauge 17, a flushing pump water outlet check valve 14 and a flushing pump water outlet valve 15. When the system enters a sludge discharge stage, the bottom sludge discharge valve 5 and the sludge pump delivery valve 9 are opened, then the sludge pump 4 is started, and the sludge-containing water is conveyed to the rear sewage concentration tank 7 through the pressurization of the sludge pump 4 after passing through the bottom spiral-flow type sludge hopper 2. After the sludge discharge process is finished, closing the sludge discharge pump 4, closing the sludge discharge valve 5, keeping the sludge discharge pump delivery valve 9 in an open state, starting the flushing pump 13, the flushing pump water inlet valve 12 and the flushing pump water outlet valve 15, allowing clear water to flow into the sludge discharge pump 4, the sludge discharge pump check valve 8 and the sludge discharge pump delivery valve 9 through the flushing pump water inlet valve 12, the flushing pump 13 and the flushing pump water outlet valve 15, flushing the sludge discharge pump outlet pipeline 6 completely, controlling the flushing time to be about 10 minutes, closing the flushing pump 13, and closing all valves at the same time; and (3) starting a water inlet valve 12 of the flushing pump, a water outlet valve 15 of the flushing pump and a mud valve 5, then starting the flushing pump 13, enabling clear water to enter the sedimentation tank 1 from the bottom of the tank body after passing through the flushing pump 13 and the mud valve 5, controlling the flushing time to be 3-5 minutes, and then closing the flushing pump 13 and all valves, and at the moment, completely finishing the mud discharging and flushing processes of the sedimentation tank 1.
The utility model discloses the sedimentation tank is after arranging the mud flow, with the long-pending mud evacuation in the play water of sedimentation tank will arrange the mud pipeline, all is the clear water that does not contain mud in the whole mud pipeline of arranging, so can ensure the operation of arranging the mud pipeline to there is not long-pending mud, the possibility of jam. When the sludge discharge pipe flushing process is operated, the sedimentation tank can normally produce water without interrupting the water production process, the whole flushing process is about 8-12 minutes, the flushing water amount is about 1% of the water production amount of the whole system, and the larger the system flushing water amount is, the smaller the proportion is.
The sludge discharge pipeline 3 is made of carbon steel and is connected with the bottom of the sludge bucket (sludge discharge port 18) of the sedimentation tank through a steel sleeve. One end of the pipeline is connected with a mud valve 5 (electric gate valve) through a welded flange, the mud valve 5 is connected with a mud pump 4 through a pipeline, and the rear end of the mud pump 4 is connected with a pressure gauge 17, a mud pump check valve 8 and a mud pump delivery valve 9 (electric ball valve) and then is connected to a sludge concentration tank 7 through a pipeline. When the sedimentation tank 1 enters a sludge discharge flow, the sludge pump outward-conveying valve 9 and the sludge valve 5 are opened, then the sludge pump 4 is started, and sludge flows to the sludge concentration tank 7 through the sludge valve 5, the sludge pump 4, the sludge pump check valve 8 and the sludge pump outward-conveying valve 9. After the sludge discharge process is finished, the sludge discharge pump 4 is firstly closed, then the sludge discharge valve 5 and the sludge discharge pump delivery valve 9 are closed, and at the moment, the sludge discharge process is completely finished and enters the sludge discharge pipeline washing process.
The flushing pipeline 11 is made of carbon steel and is connected with the water outlet channel 10 of the sedimentation tank 1. One end of the pipeline is connected with a water inlet valve 12 (an electric ball valve) of a flushing pump through a welded flange, and the water inlet valve 12 of the flushing pump is connected with a flushing pump 13 through a pipeline. The rear end of the washing pump 13 is connected with a pressure gauge 17, a washing pump water outlet check valve 14 and a washing pump water outlet valve 15 (an electric ball valve), and the washing pump water outlet valve 15 is connected to an inlet pipeline of the sludge pump 4; and after the sludge is discharged from the sedimentation tank 1, the washing process is carried out. Opening a dredge pump delivery valve 9, a washing pump outlet valve 15 and a washing pump inlet valve 12, opening a washing pump 13, conveying part of effluent of a sedimentation tank 1 to a sludge concentration tank 7 through the washing pump inlet valve 9, the washing pump 13, a washing pump outlet check valve 14, the washing pump outlet valve 15, a dredge pump 4, a dredge pump check valve 8 and the dredge pump delivery valve 9, mainly washing sludge in the dredge pump 4 and a dredge pump outlet pipeline 6 in the process, and closing the washing pump 13, the washing pump inlet valve 12 and the dredge pump delivery valve 9 after running for 5-10 minutes; and opening the mud valve 5, the water inlet valve 12 of the flushing pump and starting the flushing pump 13, wherein a part of the effluent of the sedimentation tank 1 flows into the sedimentation tank 1 through the water inlet valve 12 of the flushing pump, the flushing pump 13, the water check valve 14 of the flushing pump, the water outlet valve 15 of the flushing pump and the mud valve 5. The process is mainly characterized in that the flushing pump 13, the sludge discharge valve 5, the flushing pump water inlet valve 12 and the flushing pump water outlet valve 15 are closed after the sludge in the sludge discharge pump water inlet pipeline 3 runs for 3-5 minutes, the flushing process is finished, the sludge-containing sewage in the sludge discharge pipe is replaced by clean sedimentation tank water, the condition that the sludge blockage of the whole sludge discharge pipeline cannot occur is guaranteed, and the sedimentation tank still has a good sludge discharge effect after the sludge discharge pipeline runs for a long time.
Claims (5)
1. The utility model provides a sedimentation tank of pipeline is washed in area which characterized in that: a sludge hopper (2) is arranged at the bottom of the sedimentation tank (1), a sludge outlet of the sludge hopper (2) is connected with a sludge pump (4) through a sludge discharge pipeline (3), a sludge discharge valve (5) is arranged on the sludge discharge pipeline (3), the sludge pump (4) conveys sludge to a sludge concentration tank (7) through an outlet pipeline (6), and a sludge discharge pump check valve (8) and a sludge discharge pump delivery valve (9) are sequentially arranged on the outlet pipeline (6); a water outlet (10) of the sedimentation tank (1) is connected with a flushing pipeline (11), a flushing pump water inlet valve (12), a flushing pump (13), a flushing pump water outlet check valve (14) and a flushing pump water outlet valve (15) are sequentially arranged on the flushing pipeline (11), the flushing pipeline (11) is divided into two flushing branches after the flushing pump water outlet valve (15), one flushing branch is communicated with the sludge discharge pump (4), and the other flushing branch is connected with the sludge discharge valve (5).
2. A sedimentation tank with a flushing line according to claim 1, characterised in that: the sludge discharge pump is characterized by further comprising a PLC control box used for controlling the opening and closing of each valve and each pump, wherein the sludge discharge valve (5), the sludge discharge pump (4), the sludge discharge pump check valve (8), the sludge discharge pump delivery valve (9), the flushing pump water inlet valve (12), the flushing pump (13), the flushing pump water outlet check valve (14) and the flushing pump water outlet valve (15) are respectively connected with the PLC control box through cables.
3. A sedimentation tank with a flushing line according to claim 1, characterised in that: the mud bucket (2) is a spiral-flow type mud bucket, a plurality of grooves (16) are formed in the inner side wall of the mud bucket, the grooves (16) extend from the top of the mud bucket to the bottom of the mud bucket, and the grooves (16) are spiral.
4. A sedimentation tank with a flushing line according to claim 1, characterised in that: the rear end pipelines of the sludge discharge pump (4) and the flushing pump (13) are connected with pressure gauges (17).
5. A sedimentation tank with a flushing line according to claim 1, characterised in that: the water inlet valve (12) of the flushing pump, the water outlet valve (15) of the flushing pump and the external delivery valve (9) of the sludge pump are all electric ball valves; the mud valve (5) is an electric gate valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921320328.6U CN210933912U (en) | 2019-08-14 | 2019-08-14 | Sedimentation tank with flushing pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921320328.6U CN210933912U (en) | 2019-08-14 | 2019-08-14 | Sedimentation tank with flushing pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210933912U true CN210933912U (en) | 2020-07-07 |
Family
ID=71373525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921320328.6U Expired - Fee Related CN210933912U (en) | 2019-08-14 | 2019-08-14 | Sedimentation tank with flushing pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210933912U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960883A (en) * | 2021-04-01 | 2021-06-15 | 天津国投津能发电有限公司 | Novel sludge recovery system with self-circulation flushing function and working method |
| CN118526831A (en) * | 2024-04-23 | 2024-08-23 | 北京市市政工程设计研究总院有限公司 | Backwashing method and system for water treatment structure |
-
2019
- 2019-08-14 CN CN201921320328.6U patent/CN210933912U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960883A (en) * | 2021-04-01 | 2021-06-15 | 天津国投津能发电有限公司 | Novel sludge recovery system with self-circulation flushing function and working method |
| CN118526831A (en) * | 2024-04-23 | 2024-08-23 | 北京市市政工程设计研究总院有限公司 | Backwashing method and system for water treatment structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210933912U (en) | Sedimentation tank with flushing pipeline | |
| CN106955524A (en) | A kind of reverse cleaning device of sewage treatment pipeline Inner filter net | |
| CN106869245A (en) | Suitable for Mountain Area high water level change fully-loaded stream can submerged lift pumping station | |
| CN206138806U (en) | Waste water sedimentation pond's cleaning device | |
| CN207237452U (en) | A kind of efficient reversed cleaning device of pipeline Inner filter net | |
| CN209761412U (en) | Novel shale gas degritting flowing back device | |
| CN209554852U (en) | Fluorine-contained wastewater treatment system | |
| CN216445173U (en) | Combined multifunctional water treatment system | |
| CN105565540A (en) | Modular water purification device with settling, sludge discharging and back flushing functions and quick sludge discharging method | |
| CN207076182U (en) | A kind of settler for possessing automatic mud removing function | |
| CN211770698U (en) | Wastewater zero-discharge pretreatment integrated purification equipment in steel industry | |
| CN212336229U (en) | Rainwater decontamination reposition of redundant personnel drainage system | |
| CN205257097U (en) | Shield constructs quick -witted sewage case | |
| CN211799006U (en) | Bidirectional combined inclined plate sedimentation tank | |
| CN209828354U (en) | Sludge discharge pipeline dredging mechanism of sedimentation tank siphon system | |
| CN208726946U (en) | Coal slime water purification installation | |
| CN207545976U (en) | A kind of reversed cleaning device of sewage treatment pipeline Inner filter net | |
| CN220223772U (en) | Horizontal flow sedimentation tank sludge discharge bucket air-water combined backflushing system | |
| CN215891987U (en) | Sediment thick liquids material pipeline conveyor | |
| CN218709743U (en) | Sewage desanding integrated system | |
| CN205442817U (en) | Be fit for a domestic sewage purification system that town used | |
| CN222196237U (en) | Water purification pond for treating sewage based on circulation | |
| CN213994930U (en) | High-efficient rinse-system for sedimentation tank | |
| CN113307430B (en) | Combined multifunctional water treatment system | |
| CN205222878U (en) | Modularization purifier with deposit and arrange mud recoil function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |