CN110820670A - Pipeline emptying device and method for complex-terrain long-distance pipeline water delivery and transfer system - Google Patents
Pipeline emptying device and method for complex-terrain long-distance pipeline water delivery and transfer system Download PDFInfo
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- CN110820670A CN110820670A CN201911112895.7A CN201911112895A CN110820670A CN 110820670 A CN110820670 A CN 110820670A CN 201911112895 A CN201911112895 A CN 201911112895A CN 110820670 A CN110820670 A CN 110820670A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 115
- 238000012546 transfer Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000013049 sediment Substances 0.000 claims abstract description 28
- 230000005484 gravity Effects 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims description 12
- 239000013589 supplement Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 description 8
- 230000001174 ascending effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The invention discloses a pipeline emptying device and method for a long-distance pipeline water delivery and transfer system in a complex terrain, belonging to the field of pipeline water delivery resources of the water delivery and transfer system, and comprising a water supply pool, a water requiring pool, an air compensating valve, an emptying valve, a dry well, a wet well and a bent pipeline; the water supply pool and the water requiring pool are connected through a bent pipeline; the bent pipeline is fixed on a plurality of horizon lines with different heights or under a buried horizon line to form a plurality of high points and low points; the high point is connected with an air supplementing valve; the low point is connected with an emptying pipe; an emptying valve is arranged on the emptying pipe; the emptying valve is arranged in the dry well; the emptying pipe is connected to a wet well or a river channel; the wet well is connected to a river channel; the water supply tank adopts gravity fall or a pump to provide power. The pipeline emptying device and method for the long-distance pipeline water delivery and transfer system in the complex terrain solve the technical problems of pipeline blockage and soft blockage and realize the discharge of sediment and suspended matters in the pipeline.
Description
Technical Field
The invention belongs to the field of pipeline transportation water resources of a water transportation and transfer system, and particularly relates to a pipeline emptying device and method of a complex-terrain long-distance pipeline transportation and transfer system.
Background
The service of a long-distance large-scale pipeline water delivery and distribution system in a complex terrain is not popular in China, and the system is popular among more resource owners due to the advantages of energy conservation, environmental protection, low loss, balance and stability and the like. The pipeline transportation cost is lower than the road transportation cost, the requirement of continuous production of modern factories can be met, and the service life of the pipeline is 30 years, so the economic benefit is considerable.
The pipeline transportation is an energy-saving emission-reducing and environment-friendly project actively popularized by the state at present, meets the national sustainable development requirement, and is a project supported by the national industrial policy. The pipeline transportation cost is greatly reduced compared with the road transportation cost, other expenses are not generated except the self operation cost of the pipeline transportation system, the pipeline transportation system implements the automatic control of the pipeline transportation system through a monitoring system, and the pipeline transportation is adopted, so that the economic benefits of enterprises are improved, and the important measures of reducing the expense cost are taken, therefore, the invention has the prospect of unlimited quantity.
In the large-scale water delivery and distribution system of complicated topography long distance, the security of pipeline is especially important, but takes place when the pipeline soft blocking and the pipeline jam accident that cause because of silt and suspended solid deposit problem, and the indirect flow that influences the pipeline transportation has reduced the flow path, has reduced transport efficiency. Therefore, the emptying device is arranged in the pressure water pipeline, which has important significance for the safe use of the water pipeline. Aiming at the problems, the invention can effectively solve the problems of soft pipeline blockage and pipeline blockage of the long-distance water conveying pipeline with complex terrain, effectively prevent the reduction of the flow surface of pipeline conveying and promote the safe, stable, efficient and economic operation of the pipeline water conveying and transferring system.
Disclosure of Invention
The invention aims to provide a pipeline emptying device and a pipeline emptying method for a long-distance pipeline water delivery and transfer system in a complex terrain, aiming at the defects, and the problems of pipeline soft blockage and pipeline blockage of the long-distance pipeline in the complex terrain can be effectively solved. In order to achieve the purpose, the invention provides the following technical scheme:
a pipeline emptying device of a long-distance pipeline water delivery and transfer system in a complex terrain comprises a water supply pool, a water required pool, an air compensating valve, an emptying valve, a dry well, a wet well and a bent pipeline; the water supply pool and the water requiring pool are connected through a bent pipeline; the bent pipeline is fixed on a plurality of horizon lines with different heights or under a buried horizon line to form a plurality of high points and low points; the high point is connected with an air supplementing valve; the low point is connected with an emptying pipe; an emptying valve is arranged on the emptying pipe; the emptying valve is arranged in the dry well; the emptying pipe is connected to a wet well or a river channel; the wet well is connected to a river channel; the water supply tank adopts gravity fall or a pump to provide power. According to the structure, the pipeline emptying device of the complex-terrain long-distance pipeline water delivery and transfer system aims at effectively solving the technical problem of silt and sediment in the pipeline in the complex-terrain long-distance large-pipeline-diameter high-lift large-scale water delivery and transfer system, the long-distance large-pipeline-diameter high-lift water delivery and transfer system has the advantages that in the use environment, due to the fact that the terrain is complex and fluctuates greatly, a plurality of horizontal lines are different in height, bent pipelines are required to be used, the number of formed U-shaped pipelines is large, a plurality of high points and low points are formed on the bent pipelines, the high points are positions where the pipelines protrude upwards, the low points are positions where the pipelines are downwards concave, the high points are fixed on the horizontal line or under the buried horizontal line, the high points are open pipes fixed on the horizontal line, the low points are closed pipes under the buried horizontal line, and the; the safety of the pipeline is particularly important, but the accidents of soft blockage of the pipeline and blockage of the pipeline caused by the sediment and suspended matters are caused, so that the emptying device is arranged in the pressure water pipeline, and the safety device has important significance for the safe use of the water pipeline. In order to ensure the safety of a pipeline water delivery system, necessary measures are taken, an emptying valve is arranged and installed at a low point in a pipeline of a water delivery and transfer system, the low point can be the lowest point or a relatively low point, the corresponding number of emptying valves are arranged according to actual conditions, an air supplementing valve connected with the high point is opened, external air enters a bent pipeline from top to bottom to avoid negative pressure, the emptying valve in a dry well is opened, deposited silt and suspended solids enter an emptying pipe from the low point under the height drop from the high point to the low point, and the deposited silt and suspended solids enter a wet well from the emptying pipe to be buffered and then are discharged to a river channel; the soft blockage and the blockage problem of the long-distance water conveying pipeline with the complex terrain can be effectively solved, the pipeline is effectively protected, and the working efficiency and the economic benefit of pipeline conveying are improved. Sediment silt and suspended solid are discharged to the river course after getting into the wet well buffering from the evacuation pipe when water pressure is great, avoid destroying the river course, if water pressure ratio is lower, can directly arrange to the river course, reduce the cost of construction wet well. The water supply tank adopts gravity fall or a pump to provide power. The elevation of the water supply pool is lower than that of the water demand pool, and a pump is adopted as power for conveying; the water supply pool is higher than the water demand pool in altitude, and the height difference is used as power for conveying. The waterway also includes canals. And the dry well facilitates people to enter the valve well to operate the emptying valve. If the water lifting pipeline is in a slope type ascending mode, the lowest point is a pump room, the pump room is a water supply pool which adopts a pump as power, an outlet valve is arranged at the outlet of the pump, an emptying valve is arranged on the pipeline, and a plurality of groups of emptying devices can be arranged at the low point position of the U-shaped pipeline according to the actual field requirements. When a pipe network system has faults, such as pipeline leakage, equipment fault and the like, the emptying valve is opened when the faults occur, and meanwhile, the air supplementing valve is utilized to supplement air to the pipeline, so that the pipeline is effectively emptied, and the equipment is overhauled in time; in the pipe network system after long-term operation, sediment and suspended sediment are deposited on the pipeline to the low-point pipeline due to the water quality, the most serious problem is that the pipe network system is softly blocked or blocked, after the pipeline is operated for a long time, in order to prevent blockage, the emptying valve is opened, and meanwhile, the pipeline is supplemented with air by using the air supplementing valve, so that the sediment and suspended sediment of the low-point pipeline are effectively removed, and the safety of the pipe network system is effectively ensured. The technical problem of removing silt and suspended sediments in a water lifting pipeline system and a water conveying pipeline system is effectively solved, the safety of the whole pipe network system and equipment is ensured, and the pipe network system is enabled to operate safely, stably, economically and efficiently.
The method for emptying the pipeline of the complex terrain long-distance pipeline water delivery and transfer system adopts the pipeline emptying device of the complex terrain long-distance pipeline water delivery and transfer system, and specifically comprises the following steps: firstly, stopping supplying water to a water supply tank, closing a water supply valve of the water supply tank, stopping water inflow of a water-requiring tank, and closing a water inlet valve of the water-requiring tank; secondly, opening an air supply valve connected to the high point, and allowing external air to enter the bent pipeline from top to bottom; thirdly, opening an emptying valve in the dry well, and enabling sediment and suspended matters to enter an emptying pipe from a low point under the height drop from the high point to the low point; fourthly, the sediment and the suspended solids enter a wet well from the emptying pipe to be buffered and then are discharged to the river channel or directly discharged to the river channel; and step five, after the sediment silt and the suspended solids are discharged, closing the emptying valve, and cleaning the sediment silt and the suspended solids in the wet well.
The invention has the beneficial effects that:
1. the technical problems of pipeline blockage and soft blockage are effectively solved, and the sediment and suspended matters in the pipeline are discharged;
2. the pipeline blockage and soft blockage accidents of the water delivery and transfer system are effectively prevented, and the safety of a pipe network system is effectively ensured;
3. the stability of pipeline water delivery and transfer system and the work efficiency of pipeline transport have been improved, the life of extension pipeline has improved the economic benefits of water delivery and transfer.
Drawings
FIG. 1 is a schematic diagram of a water supply tank at a lower elevation than a water demand tank, using a pump as power delivery;
FIG. 2 is a schematic diagram of the water supply tank being at a higher elevation than the water demand tank, using the elevation difference as a power transmission;
in the drawings: 1-water supply tank, 2-water demand tank, 3-aeration valve, 4-emptying valve, 5-dry well and 6-wet well.
Detailed Description
The present invention will be described in further detail below with reference to the drawings and the embodiments, but the present invention is not limited to the following examples.
The first embodiment is as follows:
see figures 1-2. A pipeline emptying device of a long-distance pipeline water delivery and transfer system in a complex terrain comprises a water supply tank 1, a water requiring tank 2, an air compensating valve 3, an emptying valve 4, a dry well 5, a wet well 6 and a bent pipeline; the water supply tank 1 and the water requiring tank 2 are connected through a bent pipeline; the bent pipeline is fixed on a plurality of horizon lines with different heights or under a buried horizon line to form a plurality of high points and low points; the high point is connected with an air compensating valve 3; the low point is connected with an emptying pipe; an emptying valve 4 is arranged on the emptying pipe; the emptying valve 4 is arranged in the dry well 5; the emptying pipe is connected to a wet well 6 or a river channel; the wet well 6 is connected to a river channel; the water supply tank 1 adopts gravity fall or a pump to provide power. According to the structure, the pipeline emptying device of the complex-terrain long-distance pipeline water delivery and transfer system aims at effectively solving the technical problem of silt and sediment in the pipeline in the complex-terrain long-distance large-pipeline-diameter high-lift large-scale water delivery and transfer system, the long-distance large-pipeline-diameter high-lift water delivery and transfer system has the advantages that in the use environment, due to the fact that the terrain is complex and fluctuates greatly, a plurality of horizontal lines are different in height, bent pipelines are required to be used, the number of formed U-shaped pipelines is large, a plurality of high points and low points are formed on the bent pipelines, the high points are positions where the pipelines protrude upwards, the low points are positions where the pipelines are downwards concave, the high points are fixed on the horizontal line or under the buried horizontal line, the high points are open pipes fixed on the horizontal line, the low points are closed pipes under the buried horizontal line, and the; the safety of the pipeline is particularly important, but the accidents of soft blockage of the pipeline and blockage of the pipeline caused by the sediment and suspended matters are caused, so that the emptying device is arranged in the pressure water pipeline, and the safety device has important significance for the safe use of the water pipeline. In order to ensure the safety of a pipeline water delivery system, necessary measures are taken, an emptying valve 4 is arranged and installed at a low point in a pipeline of a water delivery and transfer system, the low point can be the lowest point or a relatively low point, the corresponding number of emptying valves 4 are arranged according to actual conditions, an air supplementing valve 3 connected with the high point is opened, external air enters a bent pipeline from top to bottom to avoid negative pressure, the emptying valve 4 in a dry well 5 is opened, deposited silt and suspended matters enter an emptying pipe from the low point under the height difference from the high point to the low point, and the deposited silt and suspended matters enter a wet well 6 from the emptying pipe and are buffered and then discharged to a river channel; the soft blockage and the blockage problem of the long-distance water conveying pipeline with the complex terrain can be effectively solved, the pipeline is effectively protected, and the working efficiency and the economic benefit of pipeline conveying are improved. Sediment silt and suspended solid are arranged to the river course after getting into wet well 6 buffering from the evacuation pipe when water pressure is great, avoid destroying the river course, if water pressure ratio is lower, can directly arrange to the river course, reduce the cost of construction wet well 6. The water supply tank 1 adopts gravity fall or a pump to provide power. The elevation of the water supply pool is lower than that of the water demand pool, and a pump is adopted as power for conveying; the water supply pool is higher than the water demand pool in altitude, and the height difference is used as power for conveying. The waterway also includes canals. The dry well 5 allows a person to enter the valve well to operate the evacuation valve 4. If the water lifting pipeline line is in a slope type ascending mode, the lowest point is a pump room, the pump room is a water supply tank which adopts a pump as power, an outlet valve is arranged at the outlet of the pump, an emptying valve 4 is arranged on the pipeline, and a plurality of groups of emptying devices can be arranged at the low point position of the U-shaped pipeline according to the actual field requirements. When a pipe network system has faults, such as pipeline leakage, equipment fault and the like, the emptying valve 4 is opened when the faults occur, and meanwhile, the air supplementing valve 3 is utilized to supplement air to the pipeline, so that the pipeline is effectively emptied, and the equipment is overhauled in time; in the pipe network system after long-term operation, the pipeline is caused to deposit silt and suspended sediment to the low-point pipeline due to water quality reasons, the most serious can cause the soft blockage or blockage of the pipe network system, and after the pipeline is operated for a long time, in order to prevent the blockage, the emptying valve 4 is opened, and meanwhile, the air supplementing valve 3 is utilized to supplement air to the pipeline, so that the silt and suspended sediment deposited on the low-point pipeline are effectively removed, and the safety of the pipe network system is effectively ensured. The technical problem of removing silt and suspended sediments in a water lifting pipeline system and a water conveying pipeline system is effectively solved, the safety of the whole pipe network system and equipment is ensured, and the pipe network system is enabled to operate safely, stably, economically and efficiently.
Example two:
see figures 1-2. The method for emptying the pipeline of the complex-terrain long-distance pipeline water delivery and transfer system adopts the pipeline emptying device of the complex-terrain long-distance pipeline water delivery and transfer system in the first embodiment, and specifically comprises the following steps: firstly, stopping water supply of a water supply pool 1, closing a water supply valve of the water supply pool 1, stopping water inflow of a water requiring pool 2, and closing a water inlet valve of the water requiring pool 2; secondly, opening an air compensating valve 3 connected to a high point, and allowing external air to enter the bent pipeline from top to bottom; thirdly, opening an emptying valve 4 in the dry well 5, and enabling sediment and suspended matters to enter an emptying pipe from a low point under the height drop from the high point to the low point; fourthly, the sediment silt and the suspended solids enter the wet well 6 from the emptying pipe to be buffered and then are discharged to the river channel or directly discharged to the river channel; and step five, after the sediment silt and the suspended matters are discharged, closing the emptying valve 4, and cleaning the sediment silt and the suspended matters in the wet well 6.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (2)
1. The pipeline emptying device for the long-distance pipeline water delivery and transfer system in the complex terrain is characterized by comprising a water supply tank (1), a water required tank (2), an air supplement valve (3), an emptying valve (4), a dry well (5), a wet well (6) and a bent pipeline; the water supply pool (1) is connected with the water requiring pool (2) through a bent pipeline; the bent pipeline is fixed on a plurality of horizon lines with different heights or under a buried horizon line to form a plurality of high points and low points; the high point is connected with an air compensating valve (3); the low point is connected with an emptying pipe; an emptying valve (4) is arranged on the emptying pipe; the emptying valve (4) is arranged in the dry well (5); the emptying pipe is connected to a wet well (6) or a river channel; the wet well (6) is connected to a river channel; the water supply tank (1) adopts gravity fall or a pump to provide power.
2. The method for emptying the pipeline of the complex-terrain long-distance pipeline water delivery and transfer system is characterized in that the pipeline emptying device of the complex-terrain long-distance pipeline water delivery and transfer system according to claim 1 is adopted, and the method specifically comprises the following steps: firstly, stopping water supply of a water supply tank (1), closing a water supply valve of the water supply tank (1), stopping water inflow of a water requiring tank (2), and closing a water inlet valve of the water requiring tank (2); secondly, opening an air compensating valve (3) connected to a high point, and allowing external air to enter the bent pipeline from top to bottom; thirdly, opening an emptying valve (4) in the dry well (5), and enabling sediment and suspended matters to enter an emptying pipe from a low point under the height drop from the high point to the low point; fourthly, the sediment silt and the suspended solids enter a wet well (6) from the emptying pipe to be buffered and then are discharged to the river channel or directly discharged to the river channel; and step five, after the sediment silt and the suspended solids are discharged, closing the emptying valve (4) and cleaning the sediment silt and the suspended solids in the wet well (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911112895.7A CN110820670A (en) | 2019-11-14 | 2019-11-14 | Pipeline emptying device and method for complex-terrain long-distance pipeline water delivery and transfer system |
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| CN201911112895.7A CN110820670A (en) | 2019-11-14 | 2019-11-14 | Pipeline emptying device and method for complex-terrain long-distance pipeline water delivery and transfer system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115493092A (en) * | 2022-09-01 | 2022-12-20 | 云南大红山管道有限公司 | Long-distance large-pipe-diameter water delivery and transfer anti-leakage explosion-proof pipe monitoring system and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206308731U (en) * | 2016-12-19 | 2017-07-07 | 谢砫军 | Across the basin low cost water transfer system of karst trough valley |
| CN109630894A (en) * | 2018-12-21 | 2019-04-16 | 云南大红山管道有限公司 | Long-distance pipe mends exhaust apparatus and operating method automatically |
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2019
- 2019-11-14 CN CN201911112895.7A patent/CN110820670A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206308731U (en) * | 2016-12-19 | 2017-07-07 | 谢砫军 | Across the basin low cost water transfer system of karst trough valley |
| CN109630894A (en) * | 2018-12-21 | 2019-04-16 | 云南大红山管道有限公司 | Long-distance pipe mends exhaust apparatus and operating method automatically |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115493092A (en) * | 2022-09-01 | 2022-12-20 | 云南大红山管道有限公司 | Long-distance large-pipe-diameter water delivery and transfer anti-leakage explosion-proof pipe monitoring system and method |
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