CN214403990U - Water ring vacuum pump cooling system - Google Patents
Water ring vacuum pump cooling system Download PDFInfo
- Publication number
- CN214403990U CN214403990U CN202022170346.XU CN202022170346U CN214403990U CN 214403990 U CN214403990 U CN 214403990U CN 202022170346 U CN202022170346 U CN 202022170346U CN 214403990 U CN214403990 U CN 214403990U
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- water
- vacuum pump
- ring vacuum
- demineralized
- demineralized water
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Abstract
The utility model discloses a water ring vacuum pump cooling system is applied to water ring vacuum pump, include the deareator, cooling water cooler and the demineralized water cooler that connect gradually through the pipeline, deareator and demineralized water cooler all with water ring vacuum pump connection, form the circulation circuit of water ring vacuum pump working cycle liquid, the demineralized water cooler has demineralized water supply channel and demineralized water return pipe, demineralized water return pipe is connected with condenser and demineralized water tank respectively, condenser and water ring vacuum pump connection. The utility model adopts heat exchange between the demineralized water and the working circulation liquid of the water ring vacuum pump, which can effectively reduce the temperature of the working circulation liquid of the water ring vacuum pump, improve the output of the water ring vacuum pump, prolong the service life of the water ring vacuum pump and ensure the safe operation of the thermal power generating unit; meanwhile, the water replenishing temperature of the desalted water of the unit is increased, the circulating heat efficiency of the unit is effectively improved, and the running economy of the unit is improved.
Description
Technical Field
The utility model belongs to the technical field of the equipment of taking out air, a water ring vacuum pump cooling system is related to.
Background
The water-ring vacuum pump is an air pumping device widely adopted by a thermal power plant, vacuum is established in the starting stage of a unit, non-condensable gas of a system is pumped out in the operation of the unit, and whether the working performance of the water-ring vacuum pump is stable or not is important for the safe operation of the thermal power unit. During the working period of the water-ring vacuum pump, the working circulating liquid of the water-ring vacuum pump needs to be subjected to heat exchange and cooling continuously through auxiliary machine cooling water, and during high-temperature seasons and high load periods of the unit, the temperature of the auxiliary machine cooling water is higher due to the fact that the requirement of cooling water of an auxiliary machine cooling water system user is increased and is influenced by factors with higher air temperature, the temperature of the cooling water of the auxiliary machine is up to 35 ℃, and the heat exchange efficiency is greatly reduced. For the water-ring vacuum pump, if the working circulating liquid of the water-ring vacuum pump cannot be sufficiently cooled by heat exchange during operation, the output of the water-ring vacuum pump is reduced, and the problem of blade cavitation is caused when the water-ring vacuum pump is operated for a long time, so that the service life of the water-ring vacuum pump and the safe operation of a thermal power generating unit are influenced; in addition, for a thermal power plant, the water replenishing temperature of the desalted water of the unit is increased, and the circulating heat efficiency of the unit can be effectively improved, so that the problem of how to increase the water replenishing temperature of the desalted water is also solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a water ring vacuum pump cooling system through demineralized water and water ring vacuum pump working cycle liquid heat transfer, can effectively avoid water ring vacuum pump to exert oneself and descend and blade cavitation problem, has improved unit demineralized water moisturizing temperature simultaneously.
The utility model provides a, a water ring vacuum pump cooling system is applied to water ring vacuum pump, include the deareator that connects gradually through the pipeline, cooling water cooler and demineralized water cooler, deareator and demineralized water cooler all with water ring vacuum pump connection, form the circulation circuit of water ring vacuum pump working cycle liquid, demineralized water cooler has demineralized water supply pipe and demineralized water return pipe, demineralized water return pipe is connected with condenser and demineralized water tank respectively, condenser and water ring vacuum pump connection.
The utility model is also characterized in that,
a stop valve A is arranged between the demineralized water cooler and the condenser.
A stop valve B is arranged between the desalted water cooler and the desalted water tank.
The cooling water cooler is provided with an auxiliary machine water supply pipeline and an auxiliary machine water return pipeline.
The desalted water cooler is a plate heat exchanger.
The utility model has the advantages that:
the utility model relates to a water ring vacuum pump cooling system, which has simple structure and convenient use; the heat exchange between the desalted water and the working circulating liquid of the water-ring vacuum pump is adopted, so that the temperature of the working circulating liquid of the water-ring vacuum pump can be effectively reduced, the output of the water-ring vacuum pump is improved, the service life of the water-ring vacuum pump is prolonged, and the safe operation of a thermal power generating unit is ensured; meanwhile, the water replenishing temperature of the desalted water of the unit is increased, the circulating heat efficiency of the unit is effectively improved, and the running economy of the unit is improved.
Drawings
Fig. 1 is a schematic structural diagram of a cooling system of a water-ring vacuum pump according to the present invention.
In the figure, 1, a gas-water separator, 2, a cooling water cooler, 3, a demineralized water cooler, 4, a water ring vacuum pump, 5, a demineralized water supply pipeline, 6, a demineralized water return pipeline, 7, a condenser, 8, a stop valve A, 9, a stop valve B, 10, an auxiliary machine water supply pipeline and 11, an auxiliary machine water return pipeline.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a water ring vacuum pump cooling system is applied to water ring vacuum pump 4, as shown in FIG. 1, include the deareator 1 that connects gradually through the pipeline, cooling water cooler 2 and demineralized water cooler 3, deareator 1 and demineralized water cooler all are connected with water ring vacuum pump 4, form the circulation circuit of 4 work circulation liquid of water ring vacuum pump, demineralized water cooler 3 has demineralized water supply pipe 5 and demineralized water return pipe 6, demineralized water return pipe 6 is connected with condenser 7 and demineralized water tank respectively, condenser 7 is connected with water ring vacuum pump 4.
A stop valve A8 is arranged between the desalting water cooler 3 and the condenser 7, and a stop valve B9 is arranged between the desalting water cooler 3 and the desalting water tank.
The cooling water cooler 2 has an auxiliary water supply line 10 and an auxiliary water return line 11.
The desalted water cooler 3 is a plate heat exchanger.
The utility model relates to a water ring vacuum pump cooling system's theory of operation specifically as follows:
the water ring vacuum pump 4 carries out the evacuation to condenser 7, and will take out gas transport to gas-water separator 1, gas-water separator 1 carries out gas-liquid separation to taking out gas, with gaseous discharge, liquid is the work circulation liquid promptly, the work circulation liquid is got back to water ring vacuum pump 4 through the cooling water chiller 2 and the cooling of demineralized water chiller 3 in proper order, so circulate, can mend the demineralized water through the cooler to the condenser or return to the demineralized water tank among the circulation process, guarantee sufficient work circulation liquid cooling water, realize the continuous cooling of water ring vacuum pump 4.
In the cooling process, the cooling water cooler 2 is supplied with water by auxiliary machine cooling water to carry out heat exchange cooling on the working circulating liquid; the demineralized water cooler 3 is cooled by exchanging heat with the working circulation liquid through the demineralized water of the unit, the temperature of the demineralized water of the unit is generally 15-20 ℃, the water temperature is lower, the temperature of the working circulation liquid is effectively reduced, the cavitation risk of blades of the water ring vacuum pump is reduced, the working efficiency of the water ring vacuum pump is improved, and the demineralized water backwater of the demineralized water cooler 3 can be respectively controlled to return water to the unit condenser or to the unit demineralized water tank through the stop valve A8 and the stop valve B9.
The two backwater modes of the desalted water are as follows:
the first method comprises the following steps: when the condenser 7 replenishes water, the stop valve A8 is opened, the stop valve B9 is closed, the demineralized water cooler 3 returns water to the condenser 7 through the stop valve A8, the water is replenished to the condenser 7, the temperature of the unit for replenishing demineralized water is improved, the circulating heat efficiency of the unit is effectively improved, and the running economy of the unit is improved.
And the second method comprises the following steps: when condenser 7 suspend moisturizing, in order to ensure the utility model discloses cooling system's continuous operation, stop valve B9 is opened, and stop valve A8 is closed, with 3 backwaters of demineralized water cooler to demineralized water tank pipeline.
Claims (5)
1. The utility model provides a water ring vacuum pump cooling system, is applied to water ring vacuum pump (4), its characterized in that includes deareator (1), cooling water cooler (2) and demineralized water cooler (3) that connect gradually through the pipeline, deareator (1) and demineralized water cooler all are connected with water ring vacuum pump (4), form the circulation circuit of water ring vacuum pump (4) work circulation liquid, demineralized water cooler (3) have demineralized water supply pipeline (5) and demineralized water return pipeline (6), demineralized water return pipeline (6) are connected with condenser (7) and demineralized water tank respectively, condenser (7) are connected with water ring vacuum pump (4).
2. A water-ring vacuum pump cooling system according to claim 1, characterised in that a stop valve a (8) is provided between the demineralised water cooler (3) and the condenser (7).
3. A water ring vacuum pump cooling system as claimed in claim 2, characterised in that a shut-off valve B (9) is provided between the demineralised water cooler (3) and the demineralised water tank.
4. A water-ring vacuum pump cooling system as claimed in claim 1, characterized in that the cooling water cooler (2) has an auxiliary water supply line (10) and an auxiliary water return line (11).
5. A water ring vacuum pump cooling system according to claim 1, characterized in that the demineralised water cooler (3) is a plate heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022170346.XU CN214403990U (en) | 2020-09-28 | 2020-09-28 | Water ring vacuum pump cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022170346.XU CN214403990U (en) | 2020-09-28 | 2020-09-28 | Water ring vacuum pump cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214403990U true CN214403990U (en) | 2021-10-15 |
Family
ID=78018133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022170346.XU Expired - Fee Related CN214403990U (en) | 2020-09-28 | 2020-09-28 | Water ring vacuum pump cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214403990U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001029A (en) * | 2021-10-29 | 2022-02-01 | 西安热工研究院有限公司 | Method for obtaining maximum working liquid temperature of water ring vacuum pump |
-
2020
- 2020-09-28 CN CN202022170346.XU patent/CN214403990U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001029A (en) * | 2021-10-29 | 2022-02-01 | 西安热工研究院有限公司 | Method for obtaining maximum working liquid temperature of water ring vacuum pump |
| CN114001029B (en) * | 2021-10-29 | 2022-11-01 | 西安热工研究院有限公司 | Method for obtaining maximum working liquid temperature of water ring vacuum pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |