CN218116361U - Flow and pressure regulating device for hydropower station - Google Patents
Flow and pressure regulating device for hydropower station Download PDFInfo
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- CN218116361U CN218116361U CN202222591396.4U CN202222591396U CN218116361U CN 218116361 U CN218116361 U CN 218116361U CN 202222591396 U CN202222591396 U CN 202222591396U CN 218116361 U CN218116361 U CN 218116361U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model discloses a transfer and flow regulator for power station belongs to hydraulic and hydroelectric engineering technical field, can solve current transfer and flow regulator and can lead to the engineering investment great, is difficult to satisfy the problem of engineering demand. The device comprises: the valve chamber is arranged in the water supply plant area and is positioned at the downstream of the power station installation room; a water supply pipeline of the hydropower station penetrates through the lower layer of the power station installation room and the valve chamber; the flow regulating and pressure regulating valve is arranged on a water supply pipeline in the valve chamber and is used for regulating the flow and pressure of water flow in the water supply pipeline; and the flow stabilizing valve is arranged in the valve chamber and is positioned on the water supply pipeline on one side of the flow regulating pressure regulating valve far away from the power station installation room, and is used for stabilizing the flow of water passing through the flow regulating pressure regulating valve. The utility model is used for power station water supply system's energy dissipation pressure regulating.
Description
Technical Field
The utility model relates to a current regulation regulator for power station belongs to hydraulic and hydroelectric engineering technical field.
Background
In hydraulic and electric power engineering, a flow regulating and pressure regulating device is generally needed to supply water after energy dissipation and flow regulation of a pressure water head. When the difference between the upstream and downstream water levels is large, the flow rate interval required for pressure reduction is large, and for example, in a specific project, the flow rate interval required for pressure reduction is 2 to 15.5m 3 And/s, the maximum energy dissipation water head is 99.0m, the minimum water head difference is 1.0m, and the flow interval and the water head interval needing energy dissipation are wide. The existing flow regulating and pressure regulating device is generally an energy dissipation pool structure arranged on the ground, and in order to solve the problem that the flow interval and the water head interval of energy dissipation are wide, an energy dissipation pool with large floor area needs to be built, so that the engineering investment is large, and the engineering requirements are difficult to meet.
SUMMERY OF THE UTILITY MODEL
The utility model provides a current regulating and voltage regulating device for power station can solve current regulating and voltage regulating device and can lead to the engineering investment great, is difficult to satisfy the problem of engineering demand.
The utility model provides a accent class regulator for power station, the device includes:
the valve chamber is arranged in the water supply plant area and is positioned at the downstream of the power station installation room; a water supply pipeline of the hydropower station penetrates through the lower layer of the power station installation room and the valve chamber;
the flow regulating and pressure regulating valve is arranged on a water supply pipeline in the valve chamber and is used for regulating the flow and pressure of water flow in the water supply pipeline;
and the flow stabilizing valve is arranged in the valve chamber, is positioned on the water supply pipeline on one side of the flow regulating pressure regulating valve far away from the power station installation room, and is used for stabilizing the flow of water passing through the flow regulating pressure regulating valve.
Optionally, the inner diameter of the valve of the flow and pressure regulating valve is 2m.
Optionally, the flow stabilizing valve is an eccentric half ball valve.
Optionally, the apparatus further comprises:
and the maintenance valve is arranged on the water supply pipeline on the lower layer of the power station installation room.
Optionally, the service valve is a service butterfly valve.
Optionally, the apparatus further comprises:
and the flowmeter is arranged on the lower layer of the power station installation room and positioned on the water supply pipeline on one side, away from the valve chamber, of the service valve and used for measuring the flow of water flow in the water supply pipeline.
Optionally, the top of the valve chamber is provided with an opening; and the hoisting equipment hoists the flow-adjusting pressure-regulating valve to the water supply pipeline through the opening.
The utility model discloses the beneficial effect that can produce includes:
the utility model provides a transfer and flow regulator for power station arranges valve chamber and water supply plant district are concentrated, and the atomizing of unified solution dam earial drainage factory, drainage, and the water supply runner problem, and the engineering investment economy is outstanding. The valve chamber is arranged at the downstream of a power station installation room of a water supply plant area, and the eccentric half ball valve is installed behind the flow regulating and pressure regulating valve, so that the requirement of hydraulic flow state is met. The lower floor of current regulating air-vent valve upper reaches side, the utilization power station installation is lower floor, arranges the flowmeter and overhauls the butterfly valve, reasonable utilization power station installation lower floor space, had both satisfied the engineering demand, had practiced thrift the engineering investment again. The utility model discloses the valve internal diameter of the accent of selecting for use in is 2m, is at present internal, and even international the biggest diameter transfer the accent and flow the air-vent valve, belongs to the level of leading in the world, by internal producer research and development production. The utility model discloses strive for multi-functional coordination complementary, rational utilization building space saves the engineering investment, with equipment fine apply to among the engineering. The utility model provides a current-regulating and voltage-regulating device has been built to invest earlier stage trial run, operating condition is good.
Drawings
Fig. 1 is a schematic plan view of a flow and pressure regulating device according to an embodiment of the present invention;
fig. 2 is a schematic plan view of a flow and pressure regulating device according to an embodiment of the present invention;
fig. 3 is a schematic longitudinal sectional structure view of a flow and pressure regulating device provided in an embodiment of the present invention.
List of parts and reference numerals:
1. a flow regulating and pressure regulating valve; 2. a flow stabilizing valve; 3. a service valve; 4. a flow meter; 5. a valve chamber; 6. a power station installation room; 7. a water supply pipeline; 8. stairs.
Detailed Description
The present invention will be described in detail with reference to the following examples, but the present invention is not limited to these examples.
The embodiment of the utility model provides a accent class regulator for power station, as shown in fig. 1 to fig. 3, the device includes:
a valve chamber 5 provided in the water supply plant area and located downstream of the power station installation room 6; the water supply pipe 7 of the hydroelectric power station is arranged through the lower floor of the installation room 6 of the power station and the valve chamber 5.
In practical application, the top of the valve chamber 5 is provided with an opening; the lifting device can lift the flow-regulating pressure-regulating valve 1 onto the water supply pipeline 7 through the opening for installation. When the flow regulating and pressure regulating valve 1 needs to be overhauled, the hoisting equipment can hoist the flow regulating and pressure regulating valve 1 out of the valve chamber through the opening.
The embodiment of the utility model provides an in, will transfer and flow valve chamber 5 of air-vent valve 1 and water supply factory and concentrate and arrange, can unify and solve factory dam earial drainage and water supply runner problem, engineering economy is outstanding.
And the flow regulating and pressure regulating valve 1 is arranged on a water supply pipeline 7 in the valve chamber 5 and is used for regulating the flow and the pressure of water flow in the water supply pipeline 7.
The utility model discloses carry out the designing and researching to the air-vent valve 1 that flows of accent, propose the vibration, the cavitation condition of high head, low discharge, large-traffic ability of overflowing to propose the most unfavorable operating mode and the installation elevation of the air-vent valve 1 that flows of accent.
The characteristics of cavitation erosion and vibration damage are easily generated in the multi-working-condition operation of the flow and pressure regulating valve 1, the installation height of the flow and pressure regulating valve 1 is researched, and the structural arrangement meets the requirement of back pressure behind the valve. Specifically, the flow regulating and pressure regulating valve 1 is arranged at a position consistent with the lower layer elevation of the power station installation room 6, so that the requirement that the installation elevation of the valve body needs a certain burial depth and the tail water level of the outlet is used as the back pressure is met. In a specific project, the lowest operation tail water level 547m of the flow regulating and pressure regulating valve 1 is exemplified, the installation height 531m of the flow regulating and pressure regulating valve 1 is provided, and the tail water level is different from the installation height of the flow regulating and pressure regulating valve 1 by 16m.
In the embodiment of the present invention, the inner diameter of the flow-regulating valve 1 is 2m. In order to reduce the difficulty of transportation and installation and improve the reliability of a water supply system, the utility model discloses 2 current internal maximum diameter DN2.0m flow regulating and pressure regulating valves 1 are arranged, the single valve flow interval is 2-15.5 m 3 And/s, the maximum energy dissipation water head is 99m.
Further, the apparatus further comprises:
and the flow stabilizing valve 2 is arranged in the valve chamber 5 and is positioned on a water supply pipeline 7 on one side of the flow regulating and pressure regulating valve 1, which is far away from the power station installation room 6, and is used for stabilizing the flow of water passing through the flow regulating and pressure regulating valve 1. Wherein, the flow stabilizing valve 2 can be an eccentric half ball valve.
Referring to fig. 3, the apparatus further comprises: and the maintenance valve 3 is arranged on a water supply pipeline 7 at the lower layer of the power station installation room 6. Wherein, the service valve 3 can be selected for use and repaired the butterfly valve.
In practical application, the maintenance valve 3 and the flow stabilizing valve 2 can be used in a matched mode, and maintenance work on the flow regulating and pressure regulating valve 1 is achieved.
Further, the apparatus further comprises:
and the flow meter 4 is arranged on a water supply pipeline 7 which is arranged on the lower layer of the power station installation room 6 and is positioned on one side, far away from the valve chamber 5, of the service valve 3 and is used for measuring the flow of water flow in the water supply pipeline 7.
Referring to fig. 1, one side of the valve housing 5 is also provided with a staircase 8, through which staircases 8 technicians can reach either the valve housing 5 or the power station installation 6 floor.
The utility model provides a transfer and flow regulator for power station arranges valve chamber 5 and water supply plant area are concentrated, and the plant area that uniformly solves the dam earial drainage atomizes, the drainage, reaches the water supply runner problem, and the engineering investment economy is outstanding. The valve chamber 5 is arranged at the downstream of a power station installation room 6 of a water supply plant area, and an eccentric half-ball valve is arranged behind the flow regulating pressure regulating valve 1 to meet the requirement of hydraulic flow state. The upper stream side of the flow-regulating pressure-regulating valve 1 utilizes the lower floor of the power station installation room to arrange the flow meter 4 and the maintenance butterfly valve, reasonably utilizes the space of the lower floor of the power station installation room 6, and the fire-fighting evacuation of the buildings in the water supply plant area uniformly adopts the coordinated arrangement of the stairs 8, so as to strive for the coordination and complementation among the buildings, thereby not only meeting the engineering requirements, but also saving the engineering investment. The utility model discloses the valve internal diameter of the accent of selecting for use in the accent and flowing air-vent valve 1 is 2m, is present internal, and even international maximum diameter's accent and flows air-vent valve 1, belongs to the level of leading in the world, by internal producer research and development production. The utility model discloses strive for multi-functional coordination complementary, rational utilization building space saves the engineering investment, with equipment fine apply to among the engineering. The utility model provides a current-regulating and voltage-regulating device has been built to invest earlier stage trial run, operating condition is good.
Although the present application has been described with reference to a few embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application as defined by the appended claims.
Claims (7)
1. A flow and pressure regulating apparatus for a hydroelectric power station, the apparatus comprising:
the valve chamber is arranged in the water supply plant area and is positioned at the downstream of the power station installation room; a water supply pipeline of the hydropower station penetrates through the lower layer of the power station installation room and the valve chamber;
the flow regulating and pressure regulating valve is arranged on a water supply pipeline in the valve chamber and is used for regulating the flow and pressure of water flow in the water supply pipeline;
and the flow stabilizing valve is arranged in the valve chamber, is positioned on the water supply pipeline on one side of the flow regulating pressure regulating valve far away from the power station installation room, and is used for stabilizing the flow of water passing through the flow regulating pressure regulating valve.
2. The device of claim 1, wherein the flow regulating and pressure regulating valve has a valve inner diameter of 2m.
3. The device of claim 1, wherein the flow stabilizer valve is an eccentric half ball valve.
4. The apparatus of any one of claims 1 to 3, further comprising:
and the maintenance valve is arranged on the water supply pipeline on the lower layer of the power station installation room.
5. The apparatus of claim 4, wherein the service valve is a service butterfly valve.
6. The apparatus of claim 4, further comprising:
and the flowmeter is arranged on the lower layer of the power station installation room and positioned on the water supply pipeline on one side, away from the valve chamber, of the service valve and used for measuring the flow of water flow in the water supply pipeline.
7. The device of claim 1, wherein the valve chamber top has an opening; and the hoisting equipment hoists the flow-adjusting pressure-regulating valve to the water supply pipeline through the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222591396.4U CN218116361U (en) | 2022-09-29 | 2022-09-29 | Flow and pressure regulating device for hydropower station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222591396.4U CN218116361U (en) | 2022-09-29 | 2022-09-29 | Flow and pressure regulating device for hydropower station |
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| Publication Number | Publication Date |
|---|---|
| CN218116361U true CN218116361U (en) | 2022-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222591396.4U Active CN218116361U (en) | 2022-09-29 | 2022-09-29 | Flow and pressure regulating device for hydropower station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117536179A (en) * | 2024-01-09 | 2024-02-09 | 陕西省水利电力勘测设计研究院 | Water supply valve system and design method thereof |
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2022
- 2022-09-29 CN CN202222591396.4U patent/CN218116361U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117536179A (en) * | 2024-01-09 | 2024-02-09 | 陕西省水利电力勘测设计研究院 | Water supply valve system and design method thereof |
| CN117536179B (en) * | 2024-01-09 | 2024-05-03 | 陕西省水利电力勘测设计研究院 | Water supply valve system and design method thereof |
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