CN220978194U - Bank side type sediment flushing device for water inlet pipe of multi-water-level combined water taking pump house - Google Patents
Bank side type sediment flushing device for water inlet pipe of multi-water-level combined water taking pump house Download PDFInfo
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- CN220978194U CN220978194U CN202321493569.7U CN202321493569U CN220978194U CN 220978194 U CN220978194 U CN 220978194U CN 202321493569 U CN202321493569 U CN 202321493569U CN 220978194 U CN220978194 U CN 220978194U
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- back flushing
- flushing
- sediment
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 188
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 112
- 239000013049 sediment Substances 0.000 title claims abstract description 43
- 238000012544 monitoring process Methods 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 7
- 238000011001 backwashing Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of water supply systems, and particularly relates to a sediment flushing device for a water inlet pipe of a shore type multi-water-level combined water taking pump house. The device comprises a pump station forehearth in a water taking pump station, a water taking pump set, a self-flowing water inlet pipe, a back flushing main pipe, a back flushing pipe, a control system, a monitoring system and a flushing bolt. The utility model can adapt to the change of different water intake levels, and the flushing of the water inlet pipe under the working conditions of various water intake levels is realized by controlling the switching of the valve.
Description
Technical Field
The utility model belongs to the technical field of water supply systems, relates to a shore type multi-water-level combined water taking pump room, and particularly relates to a sediment flushing device for a water inlet pipe of a shore type multi-water-level combined water taking pump room.
Background
The water resource is a natural resource for human to live, and along with the rapid development of society and the improvement of the living standard of people, a water taking pump station is often required to be built to convey high-quality raw water so as to meet the demands of living and production water. The water intake pump station is used as an important component of the urban water supply system, and has higher design requirements in the aspects of water intake safety, operation energy conservation, stability and the like. Most of water inlet pipes of water intake pump stations adopt a self-flowing mode, so that sediment deposition in pipelines is extremely easy to cause. Deposits in the pipeline can form abrasion damage on the pipeline wall on one hand, and on the other hand, the pipeline flow cross section can be reduced, so that the safety and the economy of the operation of the pipeline are affected.
At present, the accumulated mud dredging in the water supply engineering pipeline mainly utilizes mechanical equipment to blow and stir the mud into turbid water, and conveys and pumps out the mud. However, the technology for cleaning the sediment in the pipeline has the limitations of long construction period, large investment, high requirements on an operation surface and the like. Therefore, the sediment removal device in the water inlet pipe based on the facility of the pump station is developed, the cleaning of the silt deposition pipeline can be realized through simple valve operation, positive significance is provided for the optimization design of the shore water taking pump house, and the sediment removal device is an important tool for guaranteeing the safe and stable operation of the pump station.
Disclosure of utility model
The utility model aims to design a sediment flushing device for a water inlet pipe of a shore-type multi-level combined water taking pump house, which reduces sediment in a self-flowing water inlet pipe of a water taking pump station through simple valve control operation, reduces the friction resistance of a pipeline, increases the flow cross section and maintains the water delivery effect of the water taking pump station.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
A sediment flushing device for a water inlet pipe of a shore-side multi-water-level combined water taking pump room comprises a pump station front pool, a water taking pump group, a self-flowing water inlet pipe, a back flushing main pipe and a back flushing pipe in a water taking pump station, wherein the end part of the back flushing main pipe is externally connected with a water outlet main pipe, and water in the pump station front pool is pumped by the water taking pump group and is conveyed to the water outlet main pipe; the back flushing main pipe is divided into a plurality of back flushing pipes before entering the pump station forebay, the pump station forebay is respectively connected with part of the back flushing pipes, and the self-flowing water inlet pipe is respectively connected with the other part of the back flushing pipes; and the back flushing main pipe, the back flushing pipe and the self-flow water inlet pipe are all provided with control valves.
Furthermore, the front part of the back flushing main pipe, which enters the front tank of the pump station, is divided into 4 back flushing pipes, the front tank of the pump station is respectively connected with 2 back flushing pipes, and the self-flowing water inlet pipe is respectively connected with the other 2 back flushing pipes.
Further, the back flushing main pipe is provided with a first control valve and a valve well, a back flushing pipe connected with the self-flow water inlet pipe is provided with a second control valve, a back flushing pipe connected with the pump station forehearth is provided with a third control valve, and the tail part of the self-flow water inlet pipe is provided with a fourth control valve.
Further, a sediment monitoring system is arranged in the gravity flow water inlet pipe and is used for monitoring the thickness of sediment in the pipeline.
Further, a water level monitoring system is arranged in the front tank of the pump station and is used for monitoring the water level in the front tank.
Further, a flow rate monitoring system is arranged in the backwashing pipe and used for monitoring the flow rate in the pipeline.
Preferably, the flow rate monitoring system is an ultrasonic flow rate detector.
Furthermore, the back flushing pipe is connected with a flushing bolt before entering the front tank of the pump station for flushing the platform at the top of the front tank of the pump station.
Further, the system also comprises a control system which is respectively connected with the sediment monitoring system, the water level monitoring system, the flow rate monitoring system and the control valve.
The scheme also provides a bank-side multi-water-level combined water intake pump house water inlet pipe sediment flushing method: the flushing device is divided into a low water level flushing mode and a high water level flushing mode, when the sediment monitoring system detects that the thickness of sediment in a pipeline exceeds a set value, a control valve in a corresponding mode is operated according to the water intake level to start the self-flow water inlet pipe flushing, and after the flushing is finished, the normal operation working condition of the pump room is recovered through switching the control valve.
Further, when the water intake water level is lower, increase the front pool liquid level of the pump station, utilize the difference of the liquid level inside and outside the pump station to carry out pipeline flushing, concrete step includes:
closing a valve of a water outlet main pipe of the water intake pump set for discharging water to the water plant;
The first control valve and the third control valve are opened, the second control valve is kept closed, the fourth control valve is kept open, water in the front tank of the pump station is pumped by the water taking pump set, and the water is returned to the front tank of the pump station through the backwashing pipe, so that the liquid level difference inside and outside the pump station is increased;
Monitoring the front pool liquid level of the pump station, judging the flushing requirement of the self-flowing water inlet pipe through the sediment thickness and the water intake level, regulating and controlling the third control valve, controlling the front pool liquid level, and selectively closing the first control valve and the third control valve according to the sediment condition in the water inlet pipe to finish flushing.
Further, when the water intake water level is higher, the pipeline flushing is carried out by utilizing the pressure water outlet of the water intake pump set, and the specific steps comprise:
closing a valve of a water outlet main pipe of the water intake pump set for discharging water to the water plant;
Opening the first control valve and the second control valve, keeping the third control valve closed, closing the fourth control valve, pumping water in the front pool of the pump station by the water intake pump set, and directly returning to the self-flow water inlet pipe of the pump station through a backwashing pipe;
And judging the flushing requirement of the self-flow water inlet pipe through the thickness of sediment and the influence of the pressure flushing water discharged from the river, regulating and controlling the second control valve, controlling the flushing flow rate in the pipeline, and selectively closing the first control valve and the second control valve according to the sediment condition in the water inlet pipe to finish flushing.
The utility model utilizes the self water intake pump set facilities of the shore water intake pump station, and forms a self-flowing water intake pipe multi-water level combined flushing system of the water intake pump station by additionally arranging a back flushing pipeline and a control valve. The flushing system can switch the working modes according to different working conditions to clean sediment in the water inlet pipe. The flushing system can flexibly operate according to the deposition condition in the water inlet pipe, so that the sediment removal cost is saved.
Compared with the prior art, the utility model has the following beneficial effects:
1) The existing facilities are utilized efficiently, the influence of flushing operation is small, and the investment is low.
2) The device has the advantages of simple operation, easy control and convenient management, and has particularly outstanding safety.
3) The pipeline sediment is obviously removed, and the effect is good and quick.
4) Can be suitable for different specification pump stations, and the device application scope is wide.
Drawings
FIG. 1 is a plan view of a flushing device of the present utility model;
FIG. 2 is a cross-sectional view of a backwash tube connected to a foretank of a pump station;
FIG. 3 is a cross-sectional view of a backwash tube connected to a gravity feed tube.
The reference numerals in the drawings: 1. a first backwash pipe; 2. a second backwash tube; 3. a third return flush tube; 4. a fourth backwash tube; 5. back flushing main pipe; 6. a pump station front pool; 7. a water intake pump group; 8. a water outlet main pipe; 9. flushing the plug; 10. a self-flowing water inlet pipe;
Control valve: 100. a first control valve; 200. a second control valve; 300. a third control valve; 400. and a fourth control valve.
Detailed Description
The utility model will be described in further detail below with reference to the drawings by means of specific embodiments. The description of these embodiments is provided to assist understanding of the utility model, but is not intended to limit the utility model. In addition, the technical features of the embodiments of the utility model described below may be combined with each other as long as they do not collide with each other.
The device for removing sediment on the water inlet pipe by utilizing the water outlet of the water taking pump house pump set is shown in figure 1. The pipe flushing system comprises:
A pump station forehearth 6, a water taking pump set 7, a self-flowing water inlet pipe 10, a back flushing main pipe 5, a first back flushing pipe 1, a second back flushing pipe 2, a third back flushing pipe 3, a fourth back flushing pipe 4, a control system, a monitoring system and a flushing bolt 9 in the water taking pump station; a sediment monitoring system and a control valve are arranged in the gravity flow water inlet pipe 10; a liquid level monitoring system is arranged in the pump station forehearth 6; the back flushing main pipe 5, the first back flushing pipe 1, the second back flushing pipe 2, the third back flushing pipe 3 and the fourth back flushing pipe 4 are provided with control valves; the first back flushing pipe 1, the second back flushing pipe 2, the third back flushing pipe 3 and the fourth back flushing pipe 4 are provided with a flow rate monitoring system.
When the thickness of sediment in the self-flow pipeline reaches a set value (set according to the actual condition of the system), a flushing process of the water inlet pipe is started, and when the water intake level is low (the liquid level of the front pool 6 of the pump station can be increased, and the pipeline flushing is carried out by utilizing the difference between the liquid level inside and outside the pump station), the method for realizing sediment removal of the self-flow water inlet pipe 10 by adopting the device comprises the following steps:
Step one: and closing a water outlet main pipe valve for discharging water from the water taking pump set 7 to the water plant.
Step two, the first control valve 100 is opened, the third control valve 300 is opened (as shown in fig. 2, the third backwash pipe 3 and the fourth backwash pipe 4 are controlled), the second control valve 200 is kept closed (as shown in fig. 3, the first backwash pipe 1 and the second backwash pipe 2 are controlled), and the fourth control valve 400 is kept open.
And thirdly, monitoring the liquid level of the front tank 6 of the pump station, regulating and controlling the third control valve 300 according to the flushing requirement of the self-flowing water inlet pipe 10 (through sediment thickness and water intake level judgment), controlling the liquid level of the front tank, and selectively closing the first control valve 100 and the third control valve 300 according to sediment conditions in the water inlet pipe, and ending flushing.
When the water intake level is higher (pipeline flushing is carried out by using the pressure water outlet of the water intake pump set 7), the method for removing sediment of the gravity flow water inlet pipe 10 by adopting the device comprises the following steps:
Step one: and closing a water outlet main pipe valve for discharging water from the water taking pump set 7 to the water plant.
Step two: the first control valve 100 is opened, the second control valve 200 is opened (as shown in fig. 3, the first backwash pipe 1 and the second backwash pipe 2 are controlled), the third control valve 300 is kept closed (as shown in fig. 2, the third backwash pipe 3 and the fourth backwash pipe 4 are controlled), and the fourth control valve 400 is closed.
Step three: the second control valve 200 is regulated and controlled according to the flushing requirement of the self-flowing water inlet pipe 10 (judged by the thickness of sediment and the influence of the discharged river of the pressure flushing water), the flushing flow rate in the pipeline is controlled, and the first control valve 100 and the second control valve 200 are selectively closed according to the sediment condition in the water inlet pipe, so that the flushing is finished.
The principle of the flushing method of the utility model is as follows:
In the low water level pipeline flushing mode, the first control valve 100 is opened, the third control valve 300 and the fourth control valve 400 are opened, the second control valve 200 is closed, the water intake pump set 7 pumps water in the pump station front tank 6, the water is returned to the pump station front tank 6 through the third back flushing pipe 3 and the fourth back flushing pipe 4, and flushing of the self-flow water inlet pipe 10 is realized by utilizing the height difference between the water level in the pump station front tank 6 and the water intake low water level.
In the high water level pipeline flushing mode, the first control valve 100 is opened, the second control valve 200 is opened, the third control valve 300 and the fourth control valve 400 are closed, at this time, the water pump set 7 pumps water in the front tank 6 of the pump station because the water level of the water taken from outside the pump station is higher, the water is directly sent back to the self-flow water inlet pipe 10 of the pump station through the first backwashing pipe 1 and the second backwashing pipe 2, and flushing of the self-flow water inlet pipe 10 is realized by utilizing the water outlet pressure of the water pump set 7.
In the utility model, the water taking pump set 7, the pump station forehearth 6 and the like are all general water taking pump room basic facilities, and can be applied to a water inlet pipe hydraulic flushing system without special modification. The matched equipment such as the water taking pump set 7, the pump station forebay 6 and the like can be directly used without modification.
The water inlet pipe flushing device is easy to realize in the actual construction process, the operation function of the water taking pump station is not affected, the land is not additionally occupied, the device can be suitable for different water taking water level working conditions through controlling the switching operation of the valve, the operation is flexible, and the influence of the flushing process on various aspects of the pump station is reduced.
The monitoring system comprises sediment monitoring in a pipeline, monitoring of the water level of a front pool of a pump station, monitoring of the flow rate of a back flushing pipe and the like. The control system controls each valve to open and end the flushing process according to the deposition condition of the pipeline.
The foregoing has outlined rather broadly the more detailed description of the utility model in order that the detailed description thereof that follows may be better understood, and in order that the present utility model may be better understood. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (6)
1. The sediment flushing device for the water inlet pipe of the shore-side multi-water-level combined water taking pump room comprises a pump station front pool in a water taking pump station, a water taking pump set, a self-flowing water inlet pipe, a back flushing main pipe and a back flushing pipe, and is characterized in that the end part of the back flushing main pipe is externally connected with a water outlet main pipe, and water in the pump station front pool is pumped by the water taking pump set and is conveyed to the water outlet main pipe; the front tank of the pump station is respectively connected with a first back flushing pipe and a third back flushing pipe, and the self-flowing water inlet pipe is respectively connected with a second back flushing pipe and a fourth back flushing pipe; and the back flushing main pipe, the back flushing pipe and the self-flow water inlet pipe are all provided with control valves.
2. The shore type multi-water level combined water intake pump house water intake pipe sediment flushing device of claim 1, wherein the back flushing main pipe is provided with a first control valve and a valve well, the second back flushing pipe and the fourth back flushing pipe are provided with a second control valve, the first back flushing pipe and the third back flushing pipe are provided with a third control valve, and the tail part of the self-flowing water intake pipe is provided with a fourth control valve.
3. The shore multi-water level combined water intake pump house water intake pipe sediment flushing device of claim 1, wherein a sediment monitoring system is installed in the self-flowing water intake pipe for monitoring sediment thickness in the pipeline.
4. The shore type multi-water level combined water intake pump house water intake pipe sediment flushing device of claim 1, wherein a water level monitoring system is installed in the front tank of the pump station for monitoring the water level in the front tank.
5. The shore multi-water level combined water intake pump house intake pipe sediment flushing device of claim 1, wherein a flow rate monitoring system is installed in the first back flushing pipe, the second back flushing pipe, the third back flushing pipe and the fourth back flushing pipe for monitoring the flow rate in the pipeline.
6. The shore multi-water level combined water intake pump house intake pipe sediment flushing device of claim 1, further comprising a control system, wherein the control system is respectively connected with the sediment monitoring system, the water level monitoring system, the flow rate monitoring system and the control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321493569.7U CN220978194U (en) | 2023-06-12 | 2023-06-12 | Bank side type sediment flushing device for water inlet pipe of multi-water-level combined water taking pump house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321493569.7U CN220978194U (en) | 2023-06-12 | 2023-06-12 | Bank side type sediment flushing device for water inlet pipe of multi-water-level combined water taking pump house |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220978194U true CN220978194U (en) | 2024-05-17 |
Family
ID=91039368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321493569.7U Active CN220978194U (en) | 2023-06-12 | 2023-06-12 | Bank side type sediment flushing device for water inlet pipe of multi-water-level combined water taking pump house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220978194U (en) |
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2023
- 2023-06-12 CN CN202321493569.7U patent/CN220978194U/en active Active
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