CN215370961U - Water seal water-saving device of vacuum breaking valve of thermal power generating unit - Google Patents
Water seal water-saving device of vacuum breaking valve of thermal power generating unit Download PDFInfo
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- CN215370961U CN215370961U CN202120871062.5U CN202120871062U CN215370961U CN 215370961 U CN215370961 U CN 215370961U CN 202120871062 U CN202120871062 U CN 202120871062U CN 215370961 U CN215370961 U CN 215370961U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 165
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 230000003020 moisturizing effect Effects 0.000 claims 3
- 230000009467 reduction Effects 0.000 abstract description 8
- 239000010865 sewage Substances 0.000 abstract description 7
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 18
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011418 maintenance treatment Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The utility model discloses a thermal power generating unit vacuum breaker valve water seal water-saving device which comprises a unit, wherein one end of the unit is connected with a condenser, the condenser is provided with a vacuum breaker valve, one end of the vacuum breaker valve is connected with a water tank, one end of the water tank is provided with a water tank outlet door, the other end of the water tank is provided with a water tank inlet door, one end of the vacuum breaker valve is connected with a manual seal water replenishing valve, one end of the manual seal water replenishing valve is connected with a floating ball water replenishing valve in parallel, seal water can be accurately replenished after the device is installed, the seal water level is controlled, and on the basis of quite good tightness of the vacuum breaker valve, almost no loss of demineralized water can be ensured, the ineffective use of the demineralized water can be reduced, the power consumption of a sewage pump is reduced, and energy conservation, consumption reduction and emission reduction are really realized.
Description
Technical Field
The utility model relates to the technical field of demineralized water saving control of thermal power generating units, in particular to a water seal water saving device of a vacuum breaking valve of a thermal power generating unit.
Background
Be the negative pressure in the condenser under the normal condition, the negative pressure is favorable to steam to get into the condenser cooling from the steam turbine, and the pipeline that links with the condenser this moment is inside also to be the negative pressure, installs the vacuum breaker valve on the pipeline. When the unit is emergently stopped due to an emergency, the negative pressure is not beneficial to the quick stop of the steam turbine unit, and the vacuum breaking device is opened at the moment to communicate the condenser with the atmosphere, so that the stop time is further saved;
in the prior art, in order to prevent a condenser vacuum breaking valve from leaking air incompletely to influence vacuum when a thermal power unit operates normally, sealing water (clean demineralized water containing impurities) is introduced into an outlet pipe of the condenser vacuum breaking valve to form a water seal, the sealing water enters a condensing pump pit through an overflow pipe and is discharged out of a steam turbine room through a sewage pump, the overflow amount of the sealing water of the condenser vacuum breaking valve is large, the sealing water is clean demineralized water, the chemical water production pressure and the chemical water production cost are increased, and the sewage discharge amount is increased at the same time, so that the power consumption of the sewage pump is increased to explain the technical problems existing in the prior art, and the technical problems existing in the prior art are solved due to technical characteristics or connection relations, so that the water-sealing water-saving device for the thermal power unit vacuum breaking valve is provided.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides the water seal water-saving device for the vacuum breaker valve of the thermal power generating unit, sealing water can be accurately supplied after the device is installed, the water level of the sealing water is controlled, and on the basis of quite good tightness of the vacuum breaker valve, almost no loss of demineralized water can be ensured, the ineffective use of the demineralized water is favorably reduced, the power consumption of a sewage pump is reduced, and energy conservation, consumption reduction and emission reduction are really realized.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides a thermal power generating unit vacuum breaker valve water seal water saving fixtures, includes the unit, unit one end is connected with the condenser, the condenser is provided with the vacuum breaker valve, vacuum breaker valve one end is connected with the water tank, water tank one end is provided with water tank outlet door, the water tank other end is provided with water tank import door, just vacuum breaker valve one end is connected with manual sealed water replenishing valve, manual sealed water replenishing valve one end parallel connection has the floater water replenishing valve.
Preferably, the water tank is positioned outside the top end of the vacuum breaker valve, the lowest water level of the water tank is higher than the height of the vacuum breaker valve, and the highest water level of the water tank is lower than the height of the water seal overflow pipe.
Preferably, the floating ball water replenishing valve is made of stainless steel, and the water level adjusting range of the floating ball water replenishing valve reaches 20 cm-30 cm.
Preferably, one end of the water tank is connected with a water tank water level meter, and the water tank water level meter is fixedly connected with the water tank through bolts.
Preferably, the water tank is of a cuboid structure, and the size of the water tank is 80cm x 70 cm.
Compared with the prior art, the utility model has the beneficial effects that:
in the scheme, the device can accurately supply sealing water and control the water level of the sealing water after being installed, and can ensure almost no loss of the demineralized water on the basis of quite good tightness of the vacuum breaker valve, thereby being beneficial to reducing the ineffective use of the demineralized water, reducing the power consumption of the sewage pump and really achieving the purposes of energy conservation, consumption reduction and emission reduction.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Wherein:
1. a vacuum break valve; 2. manually sealing the water replenishing valve; 3. a tank outlet door; 4. a water tank inlet door; 5. a water tank; 6. a floating ball water replenishing valve; 7. a water tank level gauge; 8. and (4) sealing the overflow pipe.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
As shown in fig. 1, an embodiment of the utility model provides a thermal power generating unit vacuum breaker valve water seal water saving device, which comprises a unit, wherein one end of the unit is connected with a condenser, the condenser is provided with a vacuum breaker valve 1, one end of the vacuum breaker valve 1 is connected with a water tank 5, one end of the water tank 5 is provided with a water tank outlet door 3, the other end of the water tank 5 is provided with a water tank inlet door 4, one end of the vacuum breaker valve 1 is connected with a manual sealing water replenishing valve 2, and one end of the manual sealing water replenishing valve 2 is connected with a floating ball water replenishing valve 6 in parallel.
The floating ball water replenishing valve 6 is additionally arranged at the position of the manual sealing water replenishing valve 2 in parallel, then a vacuum breaking door pipeline is connected, the floating ball water replenishing valve 6 can realize a water level change control switch and can accurately replenish sealing water, the floating ball water replenishing valve 6, the water tank outlet door 3 and the water tank inlet door 4 are additionally arranged, so that the manual sealing water replenishing valve 2 is completely closed when the equipment normally operates, the additionally arranged water tank outlet door 3 and the water tank inlet door 4 are completely opened, the water level is ensured by the automatic water replenishing of the floating ball water replenishing valve 6, the water tank outlet door 3 and the water tank inlet door 4 which are additionally arranged at the front and the back can be closed when the floating ball water replenishing valve 6 is damaged, the original manual door is opened for maintenance, and the safety of the system is not influenced; after the device is installed, sealing water can be accurately supplied, the water level of the sealing water is controlled, and on the basis that the tightness of the vacuum breaker valve 1 is quite good, almost no loss of demineralized water can be guaranteed, the ineffective use of the demineralized water is reduced, the power consumption of a sewage pump is reduced, and energy conservation, consumption reduction and emission reduction are really achieved.
As shown in fig. 1, the water tank 5 is positioned outside the top end of the vacuum breaker valve 1, the lowest water level of the water tank 5 is higher than the height of the vacuum breaker valve 1, and the highest water level of the water tank 5 is lower than the height of the water seal overflow pipe 8; through setting up water tank 5 on 1 top of vacuum breaker valve, and set the height that is higher than vacuum breaker valve 1 with the minimum water level of water tank 5, when can preventing that water tank 5 water level from low, the condenser leaks into the air, and sets the highest water level of water tank 5 to the height that is less than water seal overflow pipe 8, has avoided losing the effect of water conservation.
In this embodiment, the floating ball water replenishing valve 6 is made of 304 stainless steel, and the water level adjusting range of the floating ball water replenishing valve 6 reaches 20 cm-30 cm; the floating ball water replenishing valve 6 is made of 304 stainless steel materials, so that the service life is prolonged, and the production cost is saved.
As shown in fig. 1, one end of the water tank 5 is connected with a water tank level gauge 7, and the water tank level gauge 7 is fixedly connected with the water tank 5 through bolts; the water level meter 7 is connected to one end of the water tank 5, so that the liquid level of the water tank 5 can be observed conveniently, if the liquid level of the water tank 5 drops too fast, the vacuum breaking valve 1 is indicated to be not tight, the maintenance treatment is required to be contacted immediately, the operation condition of equipment can be mastered, and the operation safety of the equipment can be improved.
In this embodiment, the water tank 5 is a rectangular parallelepiped structure, and the size of the water tank 5 is 80cm x 70 cm; by arranging the water tank 5 in a rectangular parallelepiped configuration and by dimensioning the water tank 5 to 80cm x 70cm, the market demand is comparatively met.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a thermal power generating unit vacuum breaks valve water seal water saving fixtures, includes the unit, its characterized in that, unit one end is connected with the condenser, the condenser is provided with vacuum break valve (1), vacuum break valve (1) one end is connected with water tank (5), water tank (5) one end is provided with water tank outlet door (3), the water tank (5) other end is provided with water tank import door (4), just vacuum break valve (1) one end is connected with manual seal water moisturizing valve (2), manual seal water moisturizing valve (2) one end parallel connection has floater moisturizing valve (6).
2. The thermal power generating unit vacuum break valve water seal water saving device according to claim 1, characterized in that the water tank (5) is positioned outside the top end of the vacuum break valve (1), the lowest water level of the water tank (5) is higher than the height of the vacuum break valve (1), and the highest water level of the water tank (5) is lower than the height of the water seal overflow pipe (8).
3. The thermal power generating unit vacuum breaker valve water seal water saving device as claimed in claim 1, wherein the floating ball water replenishing valve (6) is made of 304 stainless steel, and the water level adjusting range of the floating ball water replenishing valve (6) reaches 20 cm-30 cm.
4. The thermal power generating unit vacuum break valve water seal water saving device according to claim 1, characterized in that one end of the water tank (5) is connected with a water tank level gauge (7), and the water tank level gauge (7) is fixedly connected with the water tank (5) through bolts.
5. The thermal power generating unit vacuum break valve water seal water saving device according to claim 1, wherein the water tank (5) is of a rectangular parallelepiped structure, and the size of the water tank (5) is 80cm by 70 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120871062.5U CN215370961U (en) | 2021-04-26 | 2021-04-26 | Water seal water-saving device of vacuum breaking valve of thermal power generating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120871062.5U CN215370961U (en) | 2021-04-26 | 2021-04-26 | Water seal water-saving device of vacuum breaking valve of thermal power generating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215370961U true CN215370961U (en) | 2021-12-31 |
Family
ID=79628156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120871062.5U Active CN215370961U (en) | 2021-04-26 | 2021-04-26 | Water seal water-saving device of vacuum breaking valve of thermal power generating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215370961U (en) |
-
2021
- 2021-04-26 CN CN202120871062.5U patent/CN215370961U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 232008 Luohe Power Plant, Luohe Town, Datong District, Huainan City, Anhui Province Patentee after: Datang Anhui Power Generation Co.,Ltd. Huainan Luohe Power Generation Branch Country or region after: China Address before: 232008 Luohe Power Plant, Luohe Town, Datong District, Huainan City, Anhui Province Patentee before: DATANG HUAINAN LUOHE POWER PLANT Country or region before: China |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240517 Address after: 232000, 100 meters east of Luohe Police Station in Luohe Town, Datong District, Huainan City, Anhui Province Patentee after: Huainan Luohe Power Generation Co.,Ltd. Country or region after: China Address before: 232008 Luohe Power Plant, Luohe Town, Datong District, Huainan City, Anhui Province Patentee before: Datang Anhui Power Generation Co.,Ltd. Huainan Luohe Power Generation Branch Country or region before: China |