CN204716628U - A kind of large-size thermal power plant vacuum pump cold cooling unit - Google Patents
A kind of large-size thermal power plant vacuum pump cold cooling unit Download PDFInfo
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- CN204716628U CN204716628U CN201520443844.3U CN201520443844U CN204716628U CN 204716628 U CN204716628 U CN 204716628U CN 201520443844 U CN201520443844 U CN 201520443844U CN 204716628 U CN204716628 U CN 204716628U
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- water
- heat exchanger
- type heat
- vacuum pump
- plate type
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- 238000001816 cooling Methods 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000005057 refrigeration Methods 0.000 claims abstract description 37
- 238000004378 air conditioning Methods 0.000 claims abstract description 31
- 239000006200 vaporizer Substances 0.000 claims abstract description 11
- 239000000498 cooling water Substances 0.000 claims description 12
- 230000008961 swelling Effects 0.000 claims description 7
- 239000012224 working solution Substances 0.000 abstract description 8
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
A kind of large-size thermal power plant vacuum pump cold cooling unit, comprise air-conditioning refrigeration system, air-conditioning refrigeration system is made up of cooling tower, refrigerator, water knockout drum and water-collecting machine, cooling tower is connected with the condenser of refrigerator, vaporizer one end of refrigerator is connected with water knockout drum, the vaporizer the other end of refrigerator is connected with water-collecting machine, water knockout drum is connected with the first side water intake of plate type heat exchanger by plate type heat exchanger first side intake pipe, and water-collecting machine is connected with the first side water outlet of plate type heat exchanger by plate type heat exchanger first side outlet pipe; The second side water outlet of plate type heat exchanger is connected with the intake pipe of vacuum pump by plate exchanger secondary side outlet pipe, plate exchanger secondary side outlet pipe is provided with low temperature refrigeration water pump, and the return pipe of vacuum pump is connected with the second side water intake of plate type heat exchanger by plate exchanger secondary side intake pipe.The utility model structure is simple, compact, and energy effective cooling vacuum pump working solution, improves the exhaust capacity of vacuum pump.
Description
Technical field
The utility model relates to a kind of large-size thermal power plant Nash hytor cold cooling unit, for reducing southern area high temperature season vacuum pump working solution temperature, improves vacuum pump exhaust capacity.
Background technique
At present, large-size thermal power plant vacuum system generally adopts Nash hytor, adopts power plant cooling tower water outlet when cooling water is circulating water supply system.In southern area summer high temperature season, because power plant cooling tower water-exit temperature can up to 34 DEG C, vacuum pump working solution temperatures as high 42 DEG C can be made, vacuum pump can not get effective cooling, vacuum pump inlet limiting vacuum is caused to reduce, constrain the exhaust capacity of vacuum pump, directly affect the operational efficiency of steam turbine set.
Model utility content
The technical problems to be solved in the utility model is the above-mentioned defect overcoming prior art existence, provides a kind of large-size thermal power plant vacuum pump cold cooling unit of energy effective cooling vacuum pump working solution.
The utility model solves the technological scheme that its technical problem adopts:
A kind of large-size thermal power plant vacuum pump cold cooling unit, comprise air-conditioning refrigeration system, described air-conditioning refrigeration system is made up of cooling tower, refrigerator, water knockout drum and water-collecting machine, cooling tower is connected with the condenser of refrigerator, vaporizer one end of refrigerator is connected with water knockout drum, the vaporizer the other end of refrigerator is connected with water-collecting machine, water knockout drum is connected with the first side water intake of plate type heat exchanger by plate type heat exchanger first side intake pipe, and water-collecting machine is connected with the first side water outlet of plate type heat exchanger by plate type heat exchanger first side outlet pipe; Plate type heat exchanger first side intake pipe is equipped with the first valve, plate type heat exchanger first side outlet pipe is equipped with the second valve, the second side water outlet of plate type heat exchanger is connected with the intake pipe of vacuum pump by plate exchanger secondary side outlet pipe, plate exchanger secondary side outlet pipe is provided with low temperature refrigeration water pump, the return pipe of vacuum pump is connected with the second side water intake of plate type heat exchanger by plate exchanger secondary side intake pipe, plate exchanger secondary side intake pipe is equipped with the 3rd valve.
Further, described plate exchanger secondary side intake pipe is provided with swelling water tank, and swelling water tank is placed between plate type heat exchanger and the 3rd valve.
Further, described plate exchanger secondary side outlet pipe is provided with two low temperature refrigeration water pumps be installed in parallel.
Further, between described cooling tower and the condenser of refrigerator, be provided with High-temperature cooling water pump, between the vaporizer the other end of refrigerator and water-collecting machine, be provided with chilled water pump.
Further, described refrigerator can be existing power plant air-conditioning refrigeration system refrigerator, cooling tower can be existing power plant air-conditioning refrigeration system cooling tower, and water knockout drum can be existing power plant air-conditioning refrigeration system water knockout drum, and water-collecting machine can be existing power plant air-conditioning refrigeration system water-collecting machine.The supply pipe of water knockout drum external existing power plant air-conditioning refrigeration system, the return pipe of water-collecting machine external existing power plant air-conditioning refrigeration system.The cooling of vacuum pump utilizes the surplus for subsequent use of existing power plant air-conditioning refrigeration system refrigerator.
Further, the intake pipe of described vacuum pump is connected with power plant original cooling water inlet pipe by the 4th valve, and the return pipe of vacuum pump is connected with power plant original CWR by the 5th valve.
In the utility model, described refrigerator can be the refrigerator of existing power plant air-conditioning refrigeration system, also can be the refrigerator arranged separately.When refrigerator is the refrigerator of existing power plant air-conditioning refrigeration system, the surplus for subsequent use of refrigerator being utilized, when not affecting working stability and the air-conditioning water quality of refrigerator, realizing carrying out effective cooling to vacuum pump.
The low temperature water outlet of refrigerator enters the first side of plate type heat exchanger through plate type heat exchanger first side intake pipe, after absorbing the heat of second side high-temperature water of plate type heat exchanger, be back to refrigerator through plate type heat exchanger first side outlet pipe; The high-temperature water of vacuum pump enters the second side of plate type heat exchanger through plate exchanger secondary side intake pipe and releases heat, and the water outlet after cooling is pumped to vacuum pump through plate exchanger secondary side outlet pipe, realizes the cooling to vacuum pump.
The utility model structure is simple, compact.Use the utility model, effectively can reduce vacuum pump working solution temperature, improve the exhaust capacity of vacuum pump.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of large-size thermal power plant Nash hytor cold cooling unit;
In figure: 1, cooling tower; 2, refrigerator; 3, water knockout drum; 4, water-collecting machine; 5, plate type heat exchanger; 6, vacuum pump; 7, High-temperature cooling water pump; 8, chilled water pump; 9, low temperature refrigeration water pump; 10, swelling water tank; 11, plate type heat exchanger first side intake pipe; 12, plate type heat exchanger first side outlet pipe; 13, plate exchanger secondary side outlet pipe; 14, plate exchanger secondary side intake pipe; 15, air-conditioning refrigeration system supply pipe; 16, air-conditioning refrigeration system return pipe; 17, the first side water intake of plate type heat exchanger; 18, the first side water outlet of plate type heat exchanger; 19, the second side water outlet of plate type heat exchanger; 20, the second side water intake of plate type heat exchanger; 21, the original cooling water inlet pipe of power plant; 22, the original CWR of power plant; F1, the first valve; F2, the second valve; F3, the 3rd valve; F4, the 4th valve; F5, the 5th valve.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
The present embodiment comprises air-conditioning refrigeration system, described air-conditioning refrigeration system is made up of cooling tower 1, refrigerator 2, water knockout drum 3 and water-collecting machine 4, cooling tower 1 is connected with the condenser of refrigerator 2, vaporizer one end of refrigerator 2 is connected with water knockout drum 3, the vaporizer the other end of refrigerator 2 is connected with water-collecting machine 4, water knockout drum 3 is connected with the first side water intake 17 of plate type heat exchanger 5 by plate type heat exchanger first side intake pipe 11, and water-collecting machine 4 is connected with the first side water outlet 18 of plate type heat exchanger 5 by plate type heat exchanger first side outlet pipe 12; The first valve F1 plate type heat exchanger first side intake pipe 11 is equipped with, the second valve F2 plate type heat exchanger first side outlet pipe 12 is equipped with, the second side water outlet 19 of plate type heat exchanger 5 is connected with the intake pipe of vacuum pump 6 by plate exchanger secondary side outlet pipe 13, plate exchanger secondary side outlet pipe 13 is provided with two low temperature refrigeration water pumps 9 be installed in parallel, the return pipe of vacuum pump 6 is connected with the second side water intake 20 of plate type heat exchanger 5 by plate exchanger secondary side intake pipe 14, plate exchanger secondary side intake pipe 14 is equipped with the 3rd valve F3.
Described plate exchanger secondary side intake pipe 14 is provided with swelling water tank 10, and swelling water tank 10 is placed between plate type heat exchanger 5 and the 3rd valve F3.
Be provided with High-temperature cooling water pump 7 between described cooling tower 1 and the condenser of refrigerator 2, between the vaporizer the other end of refrigerator 2 and water-collecting machine 4, be provided with chilled water pump 8.
In the present embodiment, the quantity of vacuum pump 6 is four, and four vacuum pumps 6 are parallel with one another.
Described refrigerator 2 can be existing power plant air-conditioning refrigeration system refrigerator, and cooling tower 1 can be existing power plant air-conditioning refrigeration system cooling tower, and water knockout drum 3 can be existing power plant air-conditioning refrigeration system water knockout drum, and water-collecting machine 4 can be existing power plant air-conditioning refrigeration system water-collecting machine.The supply pipe 15 of water knockout drum 3 external existing power plant air-conditioning refrigeration system, the return pipe 16 of water-collecting machine 4 external existing power plant air-conditioning refrigeration system.The cooling of vacuum pump 6 utilizes the surplus for subsequent use of existing power plant air-conditioning refrigeration system refrigerator.
The intake pipe of described vacuum pump 6 is connected with existing power plant original cooling water inlet pipe 21 by the 4th valve F4, and the return pipe of vacuum pump 6 passes through the 5th valve F5 and is connected with existing power plant original CWR 22.
In the utility model, described refrigerator can be the refrigerator of existing power plant air-conditioning refrigeration system, also can be the refrigerator arranged separately.When refrigerator is the refrigerator of existing power plant air-conditioning refrigeration system, the surplus for subsequent use of power plant's air-conditioning refrigeration system refrigerator being utilized, when not affecting working stability and the air-conditioning water quality of refrigerator, realizing carrying out effective cooling to vacuum pump working solution.
The low temperature water outlet of refrigerator 2 enters the first side of plate type heat exchanger 5 through plate type heat exchanger first side intake pipe 11, after absorbing the heat of second side high-temperature water of plate type heat exchanger 5, be back to refrigerator 2 through plate type heat exchanger first side outlet pipe 12; The high-temperature water of vacuum pump 6 enters the second side of plate type heat exchanger 5 through plate exchanger secondary side intake pipe 14 and releases heat, and the water outlet after cooling is pumped to vacuum pump 6 through plate exchanger secondary side outlet pipe 13, realizes the cooling to vacuum pump 6.
At high temperature season, close the 4th valve F4 and the 5th valve F5, power plant cooling water stops supplying water to vacuum pump 6; Open the first valve F1, the second valve F2 and the 3rd valve F3, by refrigerator 2 for vacuum pump provides low temperature water; In the present embodiment, when four vacuum pumps 6 all run, two low temperature refrigeration water pumps 9 work simultaneously, energy effective cooling vacuum pump working solution, ensure that vacuum pump working solution outlet temperature is reduced to less than 23 DEG C, be conducive to the exhaust capacity improving vacuum pump 6, be finally conducive to the generating efficiency improving power plant.
In non high temperature season, close the first valve F1, the second valve F2 and the 3rd valve F3, open the 4th valve F4 and the 5th valve F5, refrigerator 2 can be stopped to provide cooling water for vacuum pump 6, now by the original cooling water of power plant for vacuum pump provides cooling water.
Above detailed introduction is done to preferred embodiment of the present utility model.Described embodiment just understands core concept of the present utility model for helping.It should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify the protection domain also belonging to the utility model claim.
Claims (4)
1. a large-size thermal power plant vacuum pump cold cooling unit, comprise air-conditioning refrigeration system, it is characterized in that, described air-conditioning refrigeration system is made up of cooling tower, refrigerator, water knockout drum and water-collecting machine, cooling tower is connected with the condenser of refrigerator, vaporizer one end of refrigerator is connected with water knockout drum, the vaporizer the other end of refrigerator is connected with water-collecting machine, water knockout drum is connected with the first side water intake of plate type heat exchanger by plate type heat exchanger first side intake pipe, and water-collecting machine is connected with the first side water outlet of plate type heat exchanger by plate type heat exchanger first side outlet pipe; Plate type heat exchanger first side intake pipe is equipped with the first valve, plate type heat exchanger first side outlet pipe is equipped with the second valve, the second side water outlet of plate type heat exchanger is connected with the intake pipe of vacuum pump by plate exchanger secondary side outlet pipe, plate exchanger secondary side outlet pipe is provided with low temperature refrigeration water pump, the return pipe of vacuum pump is connected with the second side water intake of plate type heat exchanger by plate exchanger secondary side intake pipe, plate exchanger secondary side intake pipe is equipped with the 3rd valve.
2. large-size thermal power plant vacuum pump cold cooling unit according to claim 1, is characterized in that, described plate exchanger secondary side intake pipe is provided with swelling water tank, and swelling water tank is placed between plate type heat exchanger and the 3rd valve.
3. large-size thermal power plant vacuum pump cold cooling unit according to claim 1 and 2, is characterized in that, described plate exchanger secondary side outlet pipe is provided with two low temperature refrigeration water pumps be installed in parallel.
4. the large-size thermal power plant vacuum pump cold cooling unit according to claim 1 or 2, it is characterized in that, be provided with High-temperature cooling water pump between described cooling tower and the condenser of refrigerator, between the vaporizer the other end of refrigerator and water-collecting machine, be provided with chilled water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520443844.3U CN204716628U (en) | 2015-06-26 | 2015-06-26 | A kind of large-size thermal power plant vacuum pump cold cooling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520443844.3U CN204716628U (en) | 2015-06-26 | 2015-06-26 | A kind of large-size thermal power plant vacuum pump cold cooling unit |
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| Publication Number | Publication Date |
|---|---|
| CN204716628U true CN204716628U (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520443844.3U Expired - Fee Related CN204716628U (en) | 2015-06-26 | 2015-06-26 | A kind of large-size thermal power plant vacuum pump cold cooling unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828322A (en) * | 2020-06-29 | 2020-10-27 | 武汉助力节能环保技术服务有限公司 | Vacuumizing device for steam turbine condenser |
-
2015
- 2015-06-26 CN CN201520443844.3U patent/CN204716628U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828322A (en) * | 2020-06-29 | 2020-10-27 | 武汉助力节能环保技术服务有限公司 | Vacuumizing device for steam turbine condenser |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Lin Inventor after: Chen Hewei Inventor after: Li Yan Inventor before: Xu Lin Inventor before: Chen Hewei |
|
| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |