CN219885778U - Sand-water separation device - Google Patents
Sand-water separation device Download PDFInfo
- Publication number
- CN219885778U CN219885778U CN202321056818.6U CN202321056818U CN219885778U CN 219885778 U CN219885778 U CN 219885778U CN 202321056818 U CN202321056818 U CN 202321056818U CN 219885778 U CN219885778 U CN 219885778U
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- Prior art keywords
- sand
- valve
- controller
- discharge pipeline
- flowmeter
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000000926 separation method Methods 0.000 title claims abstract description 10
- 239000004576 sand Substances 0.000 claims abstract description 150
- 238000009825 accumulation Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 11
- 238000004062 sedimentation Methods 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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Abstract
The utility model relates to the field of environmental protection equipment, and discloses a sand-water separation device, which comprises a sand discharge pipeline used for communicating a sand setting tank and a separator, wherein a sand pump is arranged on the sand discharge pipeline; the sand discharge pipeline is communicated with a block discharge pipe which is used for being connected with the high-pressure recoil device, a first valve is arranged on the block discharge pipe, a second valve is arranged between the block discharge pipe and the sand pump, and the sand discharge pipeline is also connected with a flowmeter and a controller electrically connected with the flowmeter; the controller is also electrically connected with the first valve, the second valve, the sand pump and the high-pressure backflushing device respectively; the flowmeter is used for measuring the flow rate on the sand discharge pipeline and sending a signal to the controller; the controller is used for receiving signals sent by the flowmeter and controlling the start and stop of the first valve, the second valve, the sand pump and the high-pressure backflushing device. The utility model can realize automatic blockage removal when the mud accumulation at the bottom of the grit chamber and the sand discharge opening of the grit chamber are blocked.
Description
Technical Field
The utility model relates to the field of environmental protection equipment, in particular to a sand-water separation device.
Background
The sewage is discharged water from life and production, which is polluted to a certain extent, loses the original use function, mainly is water after life use, contains more organic matters and is easy to treat. The sewage treatment plant performs innocent treatment on sewage to reach a specific water quality standard, and is used as reclaimed water to replace conventional water resources, and is used for industrial production, municipal miscellaneous use, resident life, ecological water supplement, agricultural irrigation, recharging groundwater and the like, and other resources and energy sources are extracted from the sewage, so that the sewage treatment plant has important significance in optimizing a water supply structure, increasing water resource supply, relieving contradiction between supply and demand, reducing water pollution and guaranteeing water ecological safety.
When sewage treatment plant carries out innocent treatment to sewage, sewage generally needs to deposit in the grit chamber, and the impurity in the sewage can constantly accumulate and compact the impurity at the bottommost, and when the impurity that stores in the grit chamber is enough, the impurity is taken out from the sand discharge mouth of grit chamber by the sand pump to carry sand-water separator to handle.
Because the sewage contains a large amount of flocculent garbage and dendritic garbage, the flocculent garbage and the dendritic garbage cannot be effectively intercepted and removed in the fine grid in the grit chamber, and the silt in the sewage is mixed with the flocculent garbage and the dendritic garbage and hardened, the bottom mud accumulation of the grit chamber and the sand discharge opening of the grit chamber are blocked, and the sand pump cannot pump sand, so that the grit chamber cannot normally discharge sand.
Disclosure of Invention
The utility model aims to provide a sand-water separation device for realizing automatic blockage removal when mud is accumulated at the bottom of a sand basin and a sand discharge opening of the sand basin is blocked.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the sand-water separation device comprises a sand discharge pipeline used for communicating a sand sedimentation tank and a separator, wherein a sand pump is arranged on the sand discharge pipeline; the sand discharge pipeline is communicated with a block discharge pipe which is used for being connected with the high-pressure recoil device, a first valve is arranged on the block discharge pipe, a second valve is arranged between the block discharge pipe and the sand pump, and the sand discharge pipeline is also connected with a flowmeter and a controller electrically connected with the flowmeter; the controller is also electrically connected with the first valve, the second valve, the sand pump and the high-pressure backflushing device respectively; the flowmeter is used for measuring the pressure on the sand discharge pipeline and sending detected data to the controller; the controller is used for receiving data detected by the flowmeter and controlling the start and stop of the first valve, the second valve, the sand pump and the high-pressure backflushing device.
The beneficial effect of this scheme is: when sand water is pumped out from a sand discharge port of the sand setting tank by a sand pump and enters the separator through a sand discharge pipeline for sand-water separation, the flow meter continuously detects the flow in the sand discharge pipeline and sends a signal to the controller; when the sand discharge port is blocked, the flow in the sand discharge pipeline can be reduced, the flow meter sends a signal to the controller, the controller receives the signal sent by the flow meter, the controller controls the sand discharge pump to stop working and the second valve to be closed, then the controller controls the first valve to be opened, the controller controls the high-pressure backflushing device to be started after the first valve is opened, and the high-pressure backflushing device sprays high-pressure air flow or water into the sand discharge pipeline through the sand discharge pipe, so that backflushing is realized, sundries blocked at the sand discharge port are dispersed, and bottom mud accumulation of the sand sedimentation tank and automatic blocking discharge of the sand discharge port of the sand sedimentation tank are realized.
Further, a circulating pipe is communicated with the sand discharge pipeline between the blocking discharge pipe and the second valve, the other end of the circulating pipe is communicated with the inlet of the sand setting tank, and a third valve electrically connected with the controller is arranged on the circulating pipe.
The beneficial effects are that: when backflushing is carried out, sand water after backflushing enters the sand setting tank and still possibly causes the blockage of the sand discharge pipeline, and the controller controls the third valve to be opened, so that the sand water entering the sand discharge pipeline from the sand setting tank enters the sand setting tank again from the circulating pipe for filtering, and the blockage of the sand discharge pipeline is prevented; when the sand discharge pipeline works normally, the third valve on the circulating pipe keeps a closed state, so that sand water can be prevented from entering the circulating pipe, and sand cannot be discharged normally from the sand sedimentation tank.
Further: the controller is a programmable logic controller.
The beneficial effects are that: a Programmable Logic Controller (PLC) program can be repeatedly erased and written, and the recoil time is set in the PLC by an operator.
Further: the first valve, the second valve and the third valve are all electromagnetic valves.
The beneficial effects are that: the battery valve has good sealing performance, low price and quick action.
Drawings
FIG. 1 is a front view of a first embodiment of the present utility model;
FIG. 2 is a top view of a first embodiment of the present utility model;
FIG. 3 is a front view of a second embodiment of the present utility model;
fig. 4 is a top view of a second embodiment of the present utility model.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the sand setting device comprises a sand setting tank 1, a sand discharge pipeline 2, a separator 3, a sand pump 4, a sand discharge main valve 5, a blockage discharge pipe 6, a first valve 7, a second valve 8, a flowmeter 9, a controller 10, a circulating pipe 11 and a third valve 12.
Example 1
This embodiment is basically shown in fig. 1, and a sand-water separation device comprises a sand basin 1, a sand discharge pipeline 2 and a separator 3. In the embodiment, the sand basin 1 is a rotational flow sand basin, the sand basin 1 is conical, the sand basin 1 is communicated with the separator 3 through the sand discharge pipeline 2, and in the embodiment, the separator 3 is a spiral sand-water separator 3. The sand discharge pipeline 2 is connected with a sand pump 4 through a flange, the input end of the sand pump 4 is communicated with the sand sedimentation tank 1 through the sand discharge pipeline 2, the output end of the sand pump 4 is communicated with the separator 3 through the sand discharge pipeline 2, and impurities in the sand sedimentation tank 1 are pumped out through the sand discharge pipeline 2 by the sand pump 4 and conveyed to the separator 3 for treatment.
As shown in fig. 2, a sand discharge main valve 5 is connected to one end, close to the sand setting tank 1, of the sand discharge pipeline 2 through a flange, a block discharge pipe 6 is connected to the sand discharge pipeline 2 between the sand discharge main valve 5 and the sand pump 4, a first valve 7 is connected to the block discharge pipe 6 through a flange, a high-pressure backflushing device is connected to one end, far away from the sand discharge pipeline 2, of the block discharge pipe 6, in this embodiment, the high-pressure backflushing device is an air compressor (not shown in the figure), and a second valve 8 is connected to the sand discharge pipeline 2 between the block discharge pipe 6 and the sand pump 4 through a flange. In the embodiment, the sand discharge main valve 5, the first valve 7 and the second valve 8 are all electromagnetic valves, and the type of the electromagnetic valves is ZINOX-522T.
The sand discharge pipeline 2 on the right side of the sand pump 4 is connected with a flowmeter 9 and a controller 10, and in the embodiment, the flowmeter 9 is an electromagnetic flowmeter, and the model is AMF. In this embodiment, the controller 10 is a programmable logic controller, model AC500-eCO, and the recoil time is set by the operator in the controller 10. The flow meter 9 is electrically connected with the controller 10, the controller 10 is also electrically connected with the sand discharge main valve 5, the first valve 7, the second valve 8, the sand pump 4 and the air compressor respectively, the flow meter 9 measures the flow in the pipeline and sends measured data to the controller 10, and the controller 10 receives signals sent by the flow meter 9 and controls the sand discharge main valve 5, the first valve 7, the second valve 8, the sand pump 4 and the air compressor to start or stop.
The specific implementation process is as follows: first, the time for each kick-back is preset in the controller 10. During normal sand discharge, the controller 10 controls the sand discharge main valve 5 and the second valve 8 to be in an open state, meanwhile, the controller 10 controls the sand pump 4 to be started for sand pumping, sand water is pumped out from a sand discharge port of the sand setting tank 1 by the sand pump 4 and enters the separator 3 through the sand discharge pipeline 2 for sand-water separation, and the flowmeter 9 continuously detects the flow rate in the sand discharge pipeline 2 and sends a signal to the controller 10; when the sand discharge port of the sand sedimentation tank 1 is blocked, the sand discharge pipeline 2 cannot normally convey sand water and discharge sand, backflushing and blocking are needed, at the moment, the flow in the sand discharge pipeline 2 is reduced or no flow is generated, the controller 10 receives a signal sent by the flowmeter 9, the controller 10 controls the sand pumping pump 4 to stop working and the second valve 8 to be closed, then the controller 10 controls the first valve 7 to be opened, and after the first valve 7 is opened, the controller 10 controls the air compressor to spray high-pressure air flow into the sand discharge pipeline 2, so that sundries blocked at the sand discharge pipeline 2 or the sand discharge port are dispersed, backflushing is realized, the problems of mud accumulation at the bottom of the sand sedimentation tank 1 and blocking at the sand discharge port of the sand sedimentation tank 1 can be effectively avoided, and the second valve 8 can prevent the high-pressure air flow from influencing the sand pumping pump 4 during backflushing; when the preset backflushing time is reached, namely the backflushing is completed, the controller 10 immediately controls the air compressor to be closed, then the controller 10 controls the first valve 7 to be closed, then the controller 10 controls the second valve 8 to be opened, and the controller 10 controls the sand pump 4 to be opened. The utility model can realize automatic blockage removal when the bottom mud accumulation of the grit chamber 1 and the sand discharge opening of the grit chamber 1 are blocked.
Example two
As shown in fig. 3 and fig. 4, the difference between the present embodiment and the first embodiment is that the sand discharge pipeline 2 between the blocking discharge pipe 6 and the second valve 8 is further communicated with a circulation pipe 11, the other end of the circulation pipe 11 is communicated with the inlet of the sand basin, one end of the circulation pipe 11, which is close to the sand discharge pipeline 2, is connected with a third valve 12 through a flange, in the present embodiment, the third valve 12 is an electromagnetic valve, and the third valve 12 is electrically connected with the controller 10.
When the back flushing is carried out, the back flushing sand water enters the sand setting tank 1, and the sand discharge port or the sand discharge pipeline 2 can be blocked when the sand is discharged again. Therefore, when the sand discharge pipeline 2 is blocked, the controller 10 controls the first valve 7 to be opened and controls the third valve 12 to be opened at the same time, so that sand water entering the sand discharge pipe from the sand basin 1 after the back flushing is finished enters the sand basin again from the circulating pipe 11, and the blocking frequency of the sand discharge port of the sand basin 1 or the sand discharge pipeline 2 can be reduced.
The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (5)
1. The utility model provides a sand-water separator, includes the sand discharge pipeline that is used for intercommunication sand basin and sand-water separator, be equipped with sand pump and high pressure recoil device on the sand discharge pipeline, its characterized in that: the sand discharge pipeline is communicated with a block discharge pipe which is used for being connected with the high-pressure recoil device, a first valve is arranged on the block discharge pipe, a second valve is arranged between the block discharge pipe and the sand pump, and the sand discharge pipeline is also connected with a flowmeter and a controller electrically connected with the flowmeter; the controller is also electrically connected with the first valve, the second valve, the sand pump and the high-pressure backflushing device respectively; the flowmeter is used for measuring the flow rate on the sand discharge pipeline and sending a signal to the controller; the controller is used for receiving signals sent by the flowmeter and controlling the start and stop of the first valve, the second valve, the sand pump and the high-pressure backflushing device.
2. A sand-water separator as claimed in claim 1, wherein: the sand discharge pipeline between the blockage discharge pipe and the second valve is communicated with a circulating pipe, and a third valve electrically connected with the controller is arranged on the circulating pipe.
3. A sand-water separator as claimed in claim 2, wherein: the other end of the circulating pipe is communicated with the inlet of the grit chamber.
4. A sand-water separation device according to claim 3, characterized in that: the controller is a programmable logic controller.
5. A sand-water separator as claimed in claim 4, wherein: the first valve, the second valve and the third valve are all electromagnetic valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321056818.6U CN219885778U (en) | 2023-05-04 | 2023-05-04 | Sand-water separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321056818.6U CN219885778U (en) | 2023-05-04 | 2023-05-04 | Sand-water separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219885778U true CN219885778U (en) | 2023-10-24 |
Family
ID=88400185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321056818.6U Active CN219885778U (en) | 2023-05-04 | 2023-05-04 | Sand-water separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219885778U (en) |
-
2023
- 2023-05-04 CN CN202321056818.6U patent/CN219885778U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240513 Address after: 401120 No. 651, Jintong Avenue, Boxi Village, Kangmei Street, Liangjiang New Area, Yubei District, Chongqing Patentee after: CHONGQING THREE GORGES WATER CO.,LTD. Country or region after: China Address before: Dianjiang Drainage Company, No. 84 Zoujiaba, Shiling Community, Guixi Street, Dianjiang County, Chongqing, 408300 Patentee before: Chongqing Three Gorges Dianjiang drainage Co.,Ltd. Country or region before: China |