CN112112136A - Force-eliminating discharge device of long-distance water conveying and transferring system and operation method - Google Patents
Force-eliminating discharge device of long-distance water conveying and transferring system and operation method Download PDFInfo
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- CN112112136A CN112112136A CN202011142548.1A CN202011142548A CN112112136A CN 112112136 A CN112112136 A CN 112112136A CN 202011142548 A CN202011142548 A CN 202011142548A CN 112112136 A CN112112136 A CN 112112136A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
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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
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
Abstract
The invention discloses a stilling discharge device of a long-distance water conveying and transferring system, and relates to the technical field of long-distance pipeline water resource conveying. The water delivery part and the water lifting part are arranged along the terrain, high points and secondary high points, low points and secondary low points are formed in the pipelines of the water delivery part and the water lifting part with large terrain fluctuation in a segmented manner, air supplementing and exhausting devices are arranged on the high points and the secondary high points, and force eliminating and exhausting devices are arranged on the low points and the secondary low points; the invention can effectively solve the problem of air supplement and exhaust of the long-distance water conveying pipeline with complex terrain, can effectively solve the technical problems of accumulated silt discharge and pipeline blockage of the pipeline, effectively protects the pipeline, and improves the working efficiency and the economic benefit of pipeline conveying.
Description
Technical Field
The invention discloses a force-eliminating discharge device of a long-distance water conveying and transferring system and an operation method, and relates to the technical field of long-distance pipeline water resource conveying.
Background
The long-distance large-diameter pipeline transportation business is rapidly developed in China, and 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 a water delivery and transfer system, the safety of a pipeline is particularly important, but the situation that the silt in a part of the pipeline is blocked due to long-time supplement and outage, and the water in the pipeline is broken to cause the water to be flushed down along with pressure release to cause farmland, forest lands and roads occurs occasionally, so that the problem of the silt, the force dissipation and pressure reduction and discharge of a pressure water delivery pipeline has important significance for the safe use of the water delivery pipeline. In order to ensure the safety of the pipeline water delivery system, necessary measures are taken, and aiming at the problems, the invention can effectively solve the problem of air supplement and exhaust of the long-distance water delivery pipeline with complex terrain, can effectively solve the technical problems of accumulated silt discharge and pipeline blockage of the pipeline, and promotes the safe, stable, efficient and economic operation of the pipeline water delivery and delivery system.
Disclosure of Invention
In order to solve the problems, the invention discloses a force-eliminating discharge device of a long-distance water conveying and transferring system and an operation method thereof, aiming at effectively solving the silting and blocking of silt, impurities and the like in a pipeline in the long-distance large-pipe-diameter high-lift water conveying and transferring system, the complex topography and the large fluctuation of the long-distance large-pipe-diameter high-lift water conveying and transferring system form more U-shaped pipelines, and the safety of the pipeline is particularly important. In order to ensure the safety of a pipeline water delivery system, necessary measures are taken, aiming at the problems, the invention arranges the exhaust supplementing device at the high point and the next high point in the pipeline of the water delivery and transfer system and arranges the force-eliminating discharge device at the low point and the next low point, thereby effectively solving the exhaust supplementing problem of the long-distance water delivery pipeline with complex terrain, effectively solving the technical problems of accumulated silt discharge and pipeline blockage of the pipeline, effectively protecting the pipeline and improving the working efficiency and the economic benefit of pipeline transportation.
The technical scheme adopted by the invention is as follows:
the invention discloses a force-eliminating discharge device of a long-distance water conveying and transferring system, which comprises a water inlet tank, a water outlet tank, water demand points, an air supplementing and discharging device and a force-eliminating device, wherein the water inlet tank is connected with an inlet of the water outlet tank through a pipeline to form a water lifting part of the water conveying and transferring system, and an outlet of the water outlet tank is connected with the water demand points through a pipeline to form a water conveying part of the water conveying and transferring system;
furthermore, the water inlet pool of the water lifting part is arranged at the lowest point position of the starting end of the system, the water outlet pool is arranged at the highest point position of the middle end of the system, and the water inlet pool is connected with the water inlet of the water outlet pool through one-way water supply of a pipeline; the initial end of the water lifting part pipeline supplies water upwards, the pipeline undulates to form a U-shaped pipeline, the U-shaped pipeline has a height difference to form a pipeline low point and a secondary low point, and a discharge force dissipation device is arranged at the lowest position of the U-shaped connection of the low point and the secondary low point;
furthermore, the water inlet pool is arranged at the lowest point of the water delivery and transfer system, the water inlet pool, the water outlet pool and the water demand point form a height difference to facilitate one-way water supply, the low point and the secondary low point pipelines of the water lifting part form repeated high point-to-low point water delivery and low point-to-high point water lifting, and the process forms water flow potential energy in the pipeline;
furthermore, a water outlet end of the water outlet pool is connected with a pipeline to supply water in a single direction to the water demand point; the pipeline of the water delivery part flows out of the water outlet pool and supplies water downwards, the pipeline fluctuates to form a U-shaped pipeline, and the U-shaped pipeline has a height difference to form a pipeline high point and a secondary high point; forming a high point, a secondary high point, a low point and a secondary low point between the water outlet pool and the water demand point, arranging an air supplementing and exhausting device at the high point and the secondary high point, and arranging a force eliminating and exhausting device at the low point and the secondary low point;
furthermore, the water outlet pool is arranged at the highest point in the system to serve as a system transfer point, the front end receives water flow provided by the water inlet pool, the rear end supplies water to the water delivery part, pipelines at the high point and the secondary high point of the water delivery part form repeated high point water delivery to the low point and low point water delivery to the high point, and the water outlet end of the water outlet pool delivers water downwards, so that an exhaust supplementing device is needed by the water delivery part to solve the problem of pipeline blockage;
furthermore, the water conveying and adjusting system is positioned in a complex terrain, a long distance, an outdoor pipeline and a high lift, and is divided into a water lifting part and a water conveying part, low points, secondary low points, high points and secondary high points are formed on the water lifting part and the water conveying part due to large terrain undulation, and finally a U-shaped pipeline is formed, and an air supplementing and exhausting device and a force eliminating and discharging device are arranged on the U-shaped pipeline; the power-eliminating discharge device comprises: the unloading valve room and the stilling well, rivers are being connected the person in charge through junction pipe, slowly open and overhaul ball valve, toper unloading valve after, through evacuation pipe export pressure release to stilling well in, the liquid level does not have the pressure from the overflow pipe after rising gradually and flows to drainage channel, the effectual silt of depositing when having cleared up long-time shut down.
The invention has the following technical effects:
aiming at the problems, the exhaust supplementing device is arranged at the high point and the next high point in the pipeline of the water delivery and transfer system, and the force-dissipating discharge device is arranged at the low point and the next low point, so that the exhaust supplementing problem of the long-distance water delivery pipeline with complex terrain can be effectively solved, the technical problems of accumulated silt discharge and pipeline blockage of the pipeline can be effectively solved, the pipeline is effectively protected, and the working efficiency and the economic benefit of pipeline transportation are improved.
The method comprises the following specific steps:
1. the problems of medium absorption, pressure reduction and discharge when the pipeline is stopped and maintained for a long time are effectively solved, and the pipeline can be ensured to operate under the optimal working condition;
2. the pipeline blockage and pipe explosion 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 an overall schematic view of a water lifting and water conveying part of an air supplementing and exhausting device and a force eliminating and discharging device
6-a water inlet pool, 7-an exhaust supplement device 1, 8-an exhaust supplement device 2, 31-a force-eliminating discharge device 1, 33-a U-shaped pipeline 1,
35-a stillness discharge device 2, 37-U-shaped pipelines 2, 30-a water outlet pool, 9-an air supplement and exhaust device 3, 10-an air supplement and exhaust device 4, 40-a stillness discharge device 3, 41-U-shaped pipelines 3, 43-a stillness discharge device 4, 44-U-shaped pipelines 4, 46-a stillness discharge device 5, 47-U-shaped pipelines 5, 20-water demand points;
FIG. 2 is a schematic view of a structure of a force-eliminating discharge device
2-an emptying valve chamber, 3-a stilling well, 48-a connecting short pipe, 49-a maintenance ball valve, 50-a conical emptying valve, 51-an emptying pipe and 52-an overflow pipe.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.
In the embodiment, the adopted data is a preferred scheme, but is not used for limiting the invention;
in the embodiment, multiple groups of air supply and exhaust devices can be placed in a long-distance pipeline in a complex terrain;
example 1
As shown in fig. 1, the present embodiment provides a force-reducing discharge device for a long-distance water delivery and transfer system, which includes a water inlet tank, an air supply and exhaust device, a delivery pipeline, a force-reducing emptying device, a water outlet tank and a water demand point; the water inlet pool is arranged at the lowest point of the starting end of the system, the water outlet pool is arranged at the highest point of the middle end of the system, and the water inlet pool is connected with the water inlet of the water outlet pool through one-way water supply of a pipeline; the initial end of the water lifting part pipeline supplies water upwards, the pipeline undulates to form a U-shaped pipeline, and the U-shaped pipeline has a height difference to form a pipeline high point, a secondary high point, a low point and a secondary low point. Arranging air supplementing and exhausting devices at the high point and the secondary high point, and arranging a force eliminating and exhausting device at the low point and the secondary low point;
in the embodiment, when the water lifting part of the pipeline is stopped for a long time, and a pipeline is newly built or maintained, the lower part in the pipeline needs to be regularly subjected to sludge and sand discharge, so that the blockage caused by the long-time deposition of the sediment in the water is avoided;
in this embodiment, there is another kind of condition, because long distance water pipeline is the best operating mode of operation when full pipe flow, so when the pipeline blocks up, only need open the power of disappearing emptying devices who sets up of low point department and carry out the blowdown and overhaul to can replenish fast and be full of pipe water, resume production rapidly.
Example 2
As shown in fig. 1, the present embodiment provides a force-eliminating discharge device for a long-distance water delivery and diversion system, comprising: the system comprises a water inlet pool, a water outlet pool, an air supplementing and exhausting device, a conveying pipeline and a water demand point, wherein the water outlet pool is arranged at the highest point of the middle end of the system, the water demand point is arranged at the tail end of the system, and the water outlet end of the water outlet pool is connected with the pipeline to supply water to the water demand point in a one-way mode; the water delivery part pipeline flows out from the water outlet pool and flows by gravity to deliver water automatically, the pipeline fluctuates to form a U-shaped pipeline, and the U-shaped pipeline has altitude difference to form a pipeline high point, a pipeline secondary high point, a pipeline low point and a pipeline secondary low point; in a pipeline between a water outlet pool and a water demand point, air supplementing and exhausting devices are arranged at a high point and a secondary high point, and a force eliminating and discharging device is arranged at a low point and a secondary low point;
in the embodiment, water is conveyed from a high point to a low point and is lifted from the low point to the high point through the pipeline, so that the problems of emptying and stilling discharge of the long-distance water conveying pipeline with complex terrain are solved;
in the embodiment, the air supplementing and exhausting device is arranged, when the pipeline of the water delivery part is stopped for a long time, a pipeline is newly built or maintained, mud and sand are regularly discharged from the pipeline at the lower part of the pipeline, and the blockage caused by long-time deposition of the mud and sand in water is avoided;
in the embodiment, another situation exists, because the long-distance water conveying pipeline operates under the optimal working condition when the pipeline is in full-pipe flow, when the pipeline is blocked, the flow path is influenced, the conveying capacity is reduced, and therefore, a force-eliminating discharge device at a low point and a secondary low point needs to be started for emptying and overhauling, and the production is quickly recovered.
Example 3
As shown in fig. 2, the present embodiment provides a force-dissipating discharging device of a long-distance water delivery and transfer system and an operating method thereof, where the force-dissipating discharging device includes a relief valve chamber and a force-dissipating well, a short pipe is connected to a main pipe in the relief valve chamber and connected to a main pipe in the relief valve chamber, the relief pipe is connected to the force-dissipating well, the force-dissipating well is connected to an overflow pipe, and the overflow pipe is connected to a drainage ditch; the stilling emptying device is sequentially provided with an overhauling ball valve and a conical emptying valve, an emptying pipe penetrates through the stilling well to be bent downwards, and a high-level overflow port in the stilling well flows out through an overflow pipe;
in the embodiment, water flow is connected with the emptying main pipe, after the maintenance ball valve and the conical emptying valve are slowly opened, the water flow is decompressed into the stilling well through the outlet pipe, the liquid level gradually rises and then is reserved to the drainage channel from the overflow pipe without pressure, and silted sludge during long-time shutdown is effectively removed; because the pipelines are arranged in the field at multiple positions, after the pipelines are discharged through the force eliminating device without pressure, the situation that water in the pipelines is broken to release along with the pressure to cause the washout of farmlands, forest lands and roads can be effectively avoided.
Through the embodiment, the technical problems of in-pipe air supply and exhaust of the water lifting pipeline system and the water conveying pipeline system are effectively solved, the technical problems of accumulated silt discharge and pipeline blockage of the pipeline can be 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 above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a long distance is failed and is transferred water system's power of eliminating discharging equipment, includes intake pool (6), goes out pond (30), needs water point (20), mends exhaust apparatus, power of eliminating discharging equipment, intake pool (6) pass through pipe connection play pond (30) entry formation and is defeated water transfer system water lift part, goes out pond (30) export and needs water point (20) formation through pipe connection and be defeated water transfer system water delivery part, its characterized in that, water delivery part and water lift part pipeline set up along the topography, and the segmentation forms high point and inferior high point in great water delivery part of topography undulation and the water lift part pipeline to and low point and inferior low point set up power of eliminating discharging equipment on high point and inferior high point.
2. The force-eliminating discharge device of the long-distance water conveying and transferring system according to claim 1, wherein the water inlet tank (6) of the water lifting part is arranged at the lowest point of the initial end of the system, the water outlet tank (30) is arranged at the highest point of the middle end of the system, and the water inlet tank (6) is connected with the water inlet of the water outlet tank (30) through a one-way water supply pipeline.
3. The stilling force discharging device of a long-distance water conveying and transferring system is characterized in that the initial end of the water lifting part pipeline supplies water upwards, the pipeline is fluctuated to form a U-shaped pipeline, the U-shaped pipeline has a height difference to form a pipeline low point and a secondary low point, a U-shaped pipeline (33) and a U-shaped pipeline (37) are formed at the low point and the secondary low point, and the stilling force discharging device (31) and the stilling force discharging device (35) are arranged on the U-shaped pipeline (33) and the U-shaped pipeline (37).
4. The force-eliminating discharge device of the long-distance water delivery and transfer system is characterized in that the high point and the second high point of the water lifting part are provided with an air supplementing and exhausting device (7) and an air supplementing and exhausting device (8).
5. The force-eliminating discharge device of a long-distance water delivery and transfer system as claimed in claim 1, wherein the water delivery part outlet tank (30) is arranged at the highest point in the system, the water demand point (20) is arranged at the tail end of the system, and the water outlet end of the water delivery tank (30) is connected with a pipeline for one-way water supply to the water demand point (20).
6. The force-eliminating discharge device of the long-distance water delivery and transfer system according to claim 5, wherein the pipeline of the water delivery part flows out from the water outlet pool (30) and automatically flows through gravity flow to supply water, the pipeline is fluctuated to form a U-shaped pipeline, and the U-shaped pipeline has a height difference to form a pipeline high point and a secondary high point, and a low point and a secondary low point; a U-shaped pipeline connection is formed between the water outlet pool (30) and the water demand point (20), an air supplement and exhaust device (9) and an air supplement and exhaust device (10) are arranged at a high point and a secondary high point, U-shaped pipelines (41, 44 and 47) are formed at a low point and a secondary low point, and emptying devices (40, 43 and 46) are arranged at the low point and the secondary low point.
7. The force-eliminating discharge device of the long-distance water delivery and transfer system according to claim 1, wherein the force-eliminating discharge device comprises a vent valve chamber (2) and a force-eliminating well (3), a connecting short pipe (48) on a pipeline is arranged at a low position and connected with a main pipe in the vent valve chamber (2), and a discharge pipe (51) is arranged and connected with the force-eliminating well (3) and an overflow pipe (52).
8. The force-eliminating discharge device of the long-distance water delivery and transfer system is characterized in that a service ball valve (49) and a conical emptying valve (50) are sequentially arranged in a main pipe in the emptying valve chamber (2), and a discharge pipe (51) penetrates through the force-eliminating well (3) to be bent downwards and connected into the force-eliminating well (3) and then is discharged to a drainage channel through an overflow pipe (52).
9. The force-eliminating discharge device of a long-distance water conveying and transferring system and the operation method thereof as claimed in any one of claims 1 to 8, wherein the pipeline of the water conveying and transferring system is arranged in a long distance, complex terrain and high lift, and is divided into a water lifting part and a water conveying part, and the water lifting part and the water conveying part form a low point and a secondary low point, a high point and a secondary high point due to large terrain fluctuation, and finally form a U-shaped pipeline; be provided with on U type pipeline and mend exhaust apparatus and disappear power discharging equipment, disappear power discharging equipment and include: emptying valve room (2) and stilling well (3), rivers are connected to being responsible for through connecting stub (48), slowly open maintenance ball valve (49), toper atmospheric valve (50) back, in pressure release to stilling well (3) through export evacuation pipe (51), and the liquid level rises gradually and leaves to drainage channel from overflow pipe (52) non-pressure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011142548.1A CN112112136A (en) | 2020-10-23 | 2020-10-23 | Force-eliminating discharge device of long-distance water conveying and transferring system and operation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011142548.1A CN112112136A (en) | 2020-10-23 | 2020-10-23 | Force-eliminating discharge device of long-distance water conveying and transferring system and operation method |
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| CN112112136A true CN112112136A (en) | 2020-12-22 |
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| CN202011142548.1A Pending CN112112136A (en) | 2020-10-23 | 2020-10-23 | Force-eliminating discharge device of long-distance water conveying and transferring system and operation method |
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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 |
-
2020
- 2020-10-23 CN CN202011142548.1A patent/CN112112136A/en active Pending
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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