CN219867451U - Hydropower station spindle sealing water source switching system - Google Patents
Hydropower station spindle sealing water source switching system Download PDFInfo
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- CN219867451U CN219867451U CN202321129885.6U CN202321129885U CN219867451U CN 219867451 U CN219867451 U CN 219867451U CN 202321129885 U CN202321129885 U CN 202321129885U CN 219867451 U CN219867451 U CN 219867451U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 286
- 238000007789 sealing Methods 0.000 title claims abstract description 42
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 description 7
- 230000001050 lubricating effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 241000309551 Arthraxon hispidus Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 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
- 239000008239 natural water Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
A hydropower station spindle seal water source switching system comprises a main clean water supply pipeline, a standby clean water supply pipeline and a muddy water supply pipeline, wherein the three supply pipelines are connected with a spindle seal water source main pipe, and a spindle seal water pipeline is arranged on the spindle seal water source main pipe; the main clean water supply pipeline is provided with a main clean water electric valve, the standby clean water supply pipeline is provided with a standby clean water hand valve, the muddy water supply pipeline is provided with a water filter, and the outlet end of the water filter is provided with a water filter outlet electric valve; and a main shaft sealing water source pressure gauge is arranged at the joint of the main shaft sealing water source main pipe and the main shaft sealing water pipeline. The utility model provides three water supply pipelines consisting of a main clean water supply pipeline, a standby clean water supply pipeline and a muddy water supply pipeline, and meanwhile, the muddy water supply pipeline is provided with a water filter bypass pipeline, which is equivalent to providing four water supply paths for main shaft sealing, thereby improving the water supply reliability.
Description
Technical Field
The utility model belongs to the technical field of hydropower station spindle sealing water supply, and particularly relates to a hydropower station spindle sealing water source switching system.
Background
The main shaft seal of the hydropower station is a water seal, a sealed water source mainly comes from clean water of a water works, and if the water supply of the water works is interrupted, the main shaft seal is invalid, so that serious safety accidents are caused. In order to ensure water supply stability, it is common practice to introduce two water supply lines, each from a different waterworks, but the stability of the water supply is still dependent on the quality of the water supply from the waterworks. There is a need to perfect the diversity of sealed water sources for improving the reliability of water supply. Because the geographical position of the hydropower station has natural water taking advantages, how to combine a tap water plant with river water or river water is a technical problem to be solved by designing a comprehensive sealing water source water supply system.
Disclosure of Invention
In view of the technical problems existing in the background technology, the hydropower station spindle sealing water source switching system provided by the utility model provides three water supply pipelines formed by a main clean water supply pipeline, a standby clean water supply pipeline and a muddy water supply pipeline, and meanwhile, a water filter bypass pipeline is designed for the muddy water supply pipeline, which is equivalent to providing four water supply paths for spindle sealing, so that the water supply reliability is improved.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the main shaft sealing water source switching system of the hydropower station comprises a main clean water supply pipeline, wherein the main clean water supply pipeline, a standby clean water supply pipeline and a muddy water supply pipeline form three water supply pipelines, the three water supply pipelines are connected with a main shaft sealing water source main pipe, and a main shaft sealing water source main pipe is provided with a main shaft sealing water pipeline; the main clean water supply pipeline is provided with a main clean water electric valve, the standby clean water supply pipeline is provided with a standby clean water hand valve, the muddy water supply pipeline is provided with a water filter, and the outlet end of the water filter is provided with a water filter outlet electric valve; an electromagnetic flowmeter, a main shaft sealing pressure regulating valve and a main shaft sealing water supply pressure gauge are arranged on the main shaft sealing water pipeline, and a main shaft sealing water source pressure gauge is arranged at the joint of the main shaft sealing water source main pipe and the main shaft sealing water pipeline.
In the preferred scheme, main clean water inlet hand valve is equipped with to main clean water power valve input, is equipped with main clean water pressure sensor between main clean water inlet hand valve and the main clean water power valve, main clean water power valve output is equipped with main clean water outlet hand valve.
In the preferred scheme, a water filter outlet pressure sensor is arranged at the water filter outlet, a water filter inlet hand valve is arranged at the input end of the water filter, and a water filter outlet hand valve is arranged at the output end of the water filter outlet electric valve; the water supply pipeline of the muddy water is connected with a water filter bypass pipeline in parallel, the water filter bypass pipeline is provided with a water filter bypass hand valve, the input end of the water filter bypass hand valve is communicated with the input end of the water filter inlet hand valve, and the output end of the water filter bypass hand valve is communicated with the output end of the water filter outlet hand valve.
In the preferred scheme, a muddy water supply main valve is arranged at the input of the muddy water supply pipeline, and a water filter inlet pressure sensor is arranged at the output end of the muddy water supply main valve.
The utility model has the following beneficial effects:
the utility model provides three water supply pipelines consisting of a main clean water supply pipeline, a standby clean water supply pipeline and a muddy water supply pipeline, and meanwhile, the muddy water supply pipeline is provided with a water filter bypass pipeline, which is equivalent to providing four water supply paths for main shaft sealing, thereby improving the water supply reliability.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a block diagram of a system according to the present utility model.
In the figure: the system comprises a main clean water inlet hand valve 101, a main clean water pressure sensor 102, a main clean water inlet hand valve 103, a main clean water outlet hand valve 104, a standby clean water hand valve 201, a water filter 301, a water filter outlet electric valve 302, a water filter outlet pressure sensor 303, a water filter inlet hand valve 304, a water filter outlet hand valve 305, a water filter bypass hand valve 306, a muddy water supply main valve 307, a water filter inlet pressure sensor 308, a water filter manual blow-down valve 309, a water filter electric blow-down valve 310, a main shaft sealing water source pressure gauge 401, an electromagnetic flowmeter 501, a main shaft sealing pressure regulating valve 502, a main shaft sealing water supply pressure gauge 503, a pressure pump lubricating water main valve 601, a first pressure pump lubricating water electric valve 602 and a second pressure pump lubricating water electric valve 603.
Detailed Description
Example 1:
the preferable scheme is as shown in figure 1, the main shaft sealing water source switching system of the hydropower station comprises a main clean water supply pipeline, wherein the main clean water supply pipeline, a standby clean water supply pipeline and a muddy water supply pipeline form three water supply pipelines, the three water supply pipelines are connected with a main shaft sealing water source main pipe, and a main shaft sealing water pipeline is arranged on the main shaft sealing water source main pipe; a main clean water electric valve 101 is arranged on the main clean water supply pipeline, a standby clean water hand valve 201 is arranged on the standby clean water supply pipeline, a water filter 301 is arranged on the muddy water supply pipeline, and a water filter outlet electric valve 302 is arranged at the outlet end of the water filter 301; an electromagnetic flowmeter 501, a main shaft seal pressure regulating valve 502 and a main shaft seal water supply pressure gauge 503 are arranged on the main shaft seal water pipeline, and a main shaft seal water source pressure gauge 401 is arranged at the joint of the main shaft seal water source main pipe and the main shaft seal water pipeline, specifically, the main shaft seal water source pressure gauge 401 is arranged at the joint head of the main shaft seal water pipeline.
The main clean water supply pipeline is from a No. 1 water works, the standby clean water supply pipeline is from a No. 2 water works, the muddy water supply pipeline is from river water or river water, for example, muddy water supply pipeline in a Ge Zhou dam hydropower station is from river water upstream of the hydropower station. In normal unit operation, main shaft sealing water mainly comes from the clean water supply pipeline of main use, and when No. 1 water works, the changeable is supplied water temporarily to muddy water supply pipeline, and muddy water supply pipeline can be manually switched to No. 2 water works and supply water during the water supply of water supply pipeline, and three water supply pipelines have guaranteed main shaft sealing water source water supply stability. If the muddy water supply pipeline is used for supplying water, the cost is reduced compared with the water supply of a water works.
The switching between the main clean water supply pipe and the muddy water supply pipe is mainly achieved by the main clean water electric valve 101 and the water filter outlet electric valve 302. The main clean water pressure sensor 102 is provided with a main clean water inlet hand valve 103, a main clean water pressure sensor 102 is arranged between the main clean water inlet hand valve 103 and the main clean water power valve 101, the main clean water pressure sensor 102 is used for monitoring the water supply pressure of a main clean water supply pipeline, and the output end of the main clean water power valve 101 is provided with a main clean water outlet hand valve 104. The main clean water outlet hand valve 104 and the main clean water inlet hand valve 103 are in a normally open state.
Further, a water filter outlet pressure sensor 303 is arranged at the outlet of the water filter 301, a water filter inlet hand valve 304 is arranged at the input end of the water filter 301, and a water filter outlet hand valve 305 is arranged at the output end of the water filter outlet electric valve 302; the muddy water supply pipeline is connected with a water filter bypass pipeline in parallel, the water filter bypass pipeline is provided with a water filter bypass hand valve 306, the input end of the water filter bypass hand valve 306 is communicated with the input end of the water filter inlet hand valve 304, and the output end of the water filter bypass hand valve 306 is communicated with the output end of the water filter outlet hand valve 305.
The input of the muddy water supply pipeline is provided with a muddy water supply main valve 307, and the output end of the muddy water supply main valve 307 is provided with a water filter inlet pressure sensor 308.
The river water contains excessive impurities, the water filter 301 is used for removing impurities from the river water, and if the main clean water supply pipeline and the standby clean water supply pipeline are simultaneously stopped, and the water filter 301 is damaged, the water filter bypass hand valve 306 is opened.
The bottom of the water filter 301 is provided with a manual water filter blow-down valve 309 and an electric water filter blow-down valve 310.
Further, the main shaft sealing water source switching system of the hydropower station simultaneously provides pressurized pump lubrication water, specifically, a main shaft sealing water source main pipe is connected with a pressurized pump lubrication water main pipe, a pressurized pump lubrication water main valve 601 is arranged on the pressurized pump lubrication water main pipe, and the pressurized pump lubrication water main valve 601 is connected with a first pressurized pump lubrication water electric valve 602 and a second pressurized pump lubrication water electric valve 603 through two branch pipes.
The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.
Claims (4)
1. The utility model provides a power station main shaft seals water source switching system, includes main clean water supply pipe, its characterized in that: the main clean water supply pipeline, the standby clean water supply pipeline and the muddy water supply pipeline form three water supply pipelines, the three water supply pipelines are connected with a main shaft sealing water source main pipe, and a main shaft sealing water pipeline is arranged on the main shaft sealing water source main pipe; a main clean water electric valve (101) is arranged on the main clean water supply pipeline, a standby clean water hand valve (201) is arranged on the standby clean water supply pipeline, a water filter (301) is arranged on the muddy water supply pipeline, and a water filter outlet electric valve (302) is arranged at the outlet end of the water filter (301); an electromagnetic flowmeter (501), a main shaft sealing pressure regulating valve (502) and a main shaft sealing water supply pressure gauge (503) are arranged on the main shaft sealing water pipeline, and a main shaft sealing water source pressure gauge (401) is arranged at the joint of the main shaft sealing water source main pipe and the main shaft sealing water pipeline.
2. The hydropower station spindle seal water source switching system according to claim 1, wherein: the input end of the main clean water electric valve (101) is provided with a main clean water inlet hand valve (103), a main clean water pressure sensor (102) is arranged between the main clean water inlet hand valve (103) and the main clean water electric valve (101), and the output end of the main clean water electric valve (101) is provided with a main clean water outlet hand valve (104).
3. The hydropower station spindle seal water source switching system according to claim 1, wherein: the outlet of the water filter (301) is provided with a water filter outlet pressure sensor (303), the input end of the water filter (301) is provided with a water filter inlet hand valve (304), and the output end of the water filter outlet electric valve (302) is provided with a water filter outlet hand valve (305); the muddy water supply pipeline is connected with a water filter bypass pipeline in parallel, the water filter bypass pipeline is provided with a water filter bypass hand valve (306), the input end of the water filter bypass hand valve (306) is communicated with the input end of the water filter inlet hand valve (304), and the output end of the water filter bypass hand valve (306) is communicated with the output end of the water filter outlet hand valve (305).
4. A hydropower station spindle seal water source switching system according to claim 3, wherein: the input of the muddy water supply pipeline is provided with a muddy water supply main valve (307), and the output end of the muddy water supply main valve (307) is provided with a water filter inlet pressure sensor (308).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321129885.6U CN219867451U (en) | 2023-05-11 | 2023-05-11 | Hydropower station spindle sealing water source switching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321129885.6U CN219867451U (en) | 2023-05-11 | 2023-05-11 | Hydropower station spindle sealing water source switching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219867451U true CN219867451U (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321129885.6U Active CN219867451U (en) | 2023-05-11 | 2023-05-11 | Hydropower station spindle sealing water source switching system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219867451U (en) |
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2023
- 2023-05-11 CN CN202321129885.6U patent/CN219867451U/en active Active
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