CN107462084B - A kind of composite structure of host machine cooling system and subsidiary engine cooling system - Google Patents
A kind of composite structure of host machine cooling system and subsidiary engine cooling system Download PDFInfo
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- CN107462084B CN107462084B CN201710631816.8A CN201710631816A CN107462084B CN 107462084 B CN107462084 B CN 107462084B CN 201710631816 A CN201710631816 A CN 201710631816A CN 107462084 B CN107462084 B CN 107462084B
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- subsidiary engine
- cooling system
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- tower
- outlet
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/14—Direct-contact trickle coolers, e.g. cooling towers comprising also a non-direct contact heat exchange
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
Abstract
The invention discloses the composite structures of a kind of host machine cooling system and subsidiary engine cooling system, purpose is, the switching of subsidiary engine cooling system when realizing winter, auxiliary system equipment is cooled down using the cooling water of host indirect air cooling system, realize the purpose for saving water consume, used technical solution are as follows: including host machine cooling system and subsidiary engine cooling system, host machine cooling system includes host indirect dry cooling tower, the outlet of host indirect dry cooling tower is connected to condenser, condenser is connected to water circulating pump, and water circulating pump is connected to the inlet side of host indirect dry cooling tower；Subsidiary engine cooling system includes subsidiary engine cooling tower, and the outlet of subsidiary engine cooling tower is connected to the inlet side of each subsidiary engine equipment, and the outlet of each subsidiary engine equipment is connected to the inlet side of subsidiary engine cooling tower；The outlet of each subsidiary engine equipment is connected to the entrance of water circulating pump, and the outlet of the host indirect dry cooling tower is connected to the inlet side of each subsidiary engine equipment.
Description
Technical field
The present invention relates to electric power plant cooling systems, and in particular to a kind of combination knot of host machine cooling system and subsidiary engine cooling system
Structure.
Background technique
Water is non-renewable resources, and as water resource is more and more deficienter, the host machine cooling system of power plant is adopted more and more
With air cooling system, the purpose saved water with realization.When host machine cooling system uses indirect air cooling system, with winter environment
Temperature reduces, and host air cooling system leaving water temperature reduces, while in order to meet deicing requirements, using closing air cooling system shutter
Or part cooling fan section is closed to run, it thus causes host air cooling tower and does not run completely, and subsidiary engine cooling system is wanted
Run the contradiction persistently to consume energy.It is connected valve is installed between host machine cooling system and subsidiary engine cooling system, winter will be auxiliary
Machine air cooling tower or the clammy tower of subsidiary engine are stopped transport, and subsidiary engine component cooling water uses the cooling water of host indirect air cooling system, this combination
Mode can make full use of the cooling tower of host system to be cooled down and the water-saving operation of the winter saving energy of auxiliary system.
Summary of the invention
In order to solve the problems in the prior art, the present invention proposes the group of a kind of host machine cooling system and subsidiary engine cooling system
Structure is closed, the switching of subsidiary engine cooling system when realizing winter cools down subsidiary engine using the cooling water of host indirect air cooling system
System equipment realizes the purpose for saving water consume.
In order to achieve the goal above, the technical scheme adopted by the invention is as follows: it is cooling including host machine cooling system and subsidiary engine
System, host machine cooling system include host indirect dry cooling tower, and the outlet of host indirect dry cooling tower is connected to condenser, and condenser connects
It is connected to water circulating pump, water circulating pump is connected to the inlet side of host indirect dry cooling tower；Subsidiary engine cooling system includes subsidiary engine cooling tower, auxiliary
The outlet of machine cooling tower is connected to the inlet side of each subsidiary engine equipment, and the outlet of each subsidiary engine equipment is connected to the inlet side of subsidiary engine cooling tower；
The outlet of each subsidiary engine equipment is connected to the entrance of water circulating pump, and the outlet of the host indirect dry cooling tower is connected to each subsidiary engine
The inlet side of equipment.
The subsidiary engine cooling tower is the clammy tower of subsidiary engine, and the outlet of the clammy tower of subsidiary engine is connected to the first import of heat exchanger, changes
The first outlet of hot device is connected to the inlet side of the clammy tower of subsidiary engine by subsidiary engine cooling water pump；The outlet of each subsidiary engine equipment, which is connected to, changes
Second import of hot device, the second outlet of heat exchanger are connected to the inlet side of each subsidiary engine equipment.
The cooling water of each subsidiary engine equipment uses demineralized water, and the cooling water of the clammy tower of subsidiary engine uses opened water, between host
The cooling water of air cooling tower is connect using demineralized water.
The outlet of each subsidiary engine equipment passes through the second import that the 4th valve is connected to heat exchanger all the way, and another way passes through
Second valve is connected to the entrance of water circulating pump；The inlet side of each subsidiary engine equipment passes through that third valve is connected to heat exchanger all the way
Two outlets, another way are connected to the outlet of host indirect dry cooling tower by the first valve.
The subsidiary engine cooling tower is subsidiary engine air cooling tower, and the outlet of subsidiary engine air cooling tower is connected to the inlet side of each subsidiary engine equipment, respectively
The outlet of subsidiary engine equipment is connected to the inlet side of subsidiary engine air cooling tower.
The cooling water of the subsidiary engine air cooling tower, host indirect dry cooling tower and each subsidiary engine equipment uses demineralized water.
The outlet of each subsidiary engine equipment passes through the 4th valve all the way and is connected to subsidiary engine air cooling tower, and another way passes through the second valve
Door is connected to the entrance of water circulating pump；The inlet side of each subsidiary engine equipment passes through third valve all the way and is connected to subsidiary engine air cooling tower, another
Road is connected to the outlet of host indirect dry cooling tower by the first valve.
The inlet side of each subsidiary engine equipment is provided with enclosed water pump.
The host indirect dry cooling tower is that table coagulates formula indirect dry cooling tower or hybrid indirect dry cooling tower.
Compared with prior art, the present invention proposes the combination of host machine cooling system and subsidiary engine cooling system, host cooling system
System includes host indirect dry cooling tower, and the outlet of host indirect dry cooling tower is connected to condenser, and condenser is connected to water circulating pump, follows
Ring water pump is connected to the inlet side of host indirect dry cooling tower；Subsidiary engine cooling system includes subsidiary engine cooling tower, the outlet of subsidiary engine cooling tower
It is connected to the inlet side of each subsidiary engine equipment, the outlet of each subsidiary engine equipment is connected to the inlet side of subsidiary engine cooling tower；Each subsidiary engine equipment
Outlet be connected to the entrance of water circulating pump, the outlet of host indirect dry cooling tower is connected to the inlet side of each subsidiary engine equipment, summer or
When spring and autumn, host machine cooling system is run using indirect air cooling system, and subsidiary engine cooling system uses indirect air cooling system or clammy
System operation；When winter, the air cooling system or humid-cool system of subsidiary engine cooling system are closed, and the cooling water of each subsidiary engine equipment is from master
Machine cooling system fetches, and realizes the energy-saving run of subsidiary engine cooling system.The present invention is by host machine cooling system and subsidiary engine cooling system
Between connected with valve, the clammy tower of the switching of subsidiary engine cooling system when realizing winter, i.e. subsidiary engine air cooling tower or subsidiary engine is stopped transport, benefit
Auxiliary system equipment is cooled down with the cooling water of host indirect air cooling system, realizes the purpose for saving water consume.
Further, when winter, the cooling capacity of host indirect dry cooling tower is made full use of, the water outlet of host cooling tower is able to satisfy master
The requirement of the cooling water inflow and water temperature of machine and subsidiary engine cooling system.When subsidiary engine cooling system uses air cooling tower, winter air cooling tower is stopped transport,
Save air cooling tower fan energy consumption.When subsidiary engine cooling system uses clammy tower, winter clammy tower and subsidiary engine cooling water pump are stopped transport, and are saved
Clammy tower blower power consumption saves subsidiary engine cooling water pump power consumption.When subsidiary engine cooling system uses clammy tower, winter, clammy tower was stopped transport,
Evaporation loss, windage loss and the blowdown loss for reducing cooling tower, save water consume.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the present invention uses the clammy tower of subsidiary engine；
Fig. 2 is the structural schematic diagram that the present invention uses subsidiary engine air cooling tower；
Wherein, 1- host indirect dry cooling tower, 2- condenser, 3- water circulating pump, the clammy tower of 4-1- subsidiary engine, 4-2- subsidiary engine are air-cooled
Tower, 5- heat exchanger, 6- subsidiary engine cooling water pump, 7- enclosed water pump, each subsidiary engine equipment of 8-, the first valve of F1-, the second valve of F2-,
F3- third valve, the 4th valve of F4-.
Specific embodiment
Below with reference to specific embodiment and Figure of description the present invention will be further explained explanation.
Referring to Fig. 1 and Fig. 2, the present invention includes host machine cooling system and subsidiary engine cooling system, and host machine cooling system includes master
Machine indirect dry cooling tower 1, the outlet of host indirect dry cooling tower 1 are connected to condenser 2, and condenser 2 is connected to water circulating pump 3, circulation
Water pump 3 is connected to the inlet side of host indirect dry cooling tower 1；Subsidiary engine cooling system includes subsidiary engine cooling tower, the outlet of subsidiary engine cooling tower
It is connected to the inlet side of each subsidiary engine equipment 8, the outlet of each subsidiary engine equipment 8 is connected to the inlet side of subsidiary engine cooling tower；Each subsidiary engine equipment 8
Outlet is connected to the entrance of water circulating pump 3, and the outlet of host indirect dry cooling tower 1 is connected to the inlet side of each subsidiary engine equipment 8.Each subsidiary engine
The inlet side of equipment 8 is provided with enclosed water pump 7.Host indirect dry cooling tower 1 is that table coagulates formula indirect dry cooling tower or hybrid indirect air cooling
Tower.
Referring to Fig. 1, subsidiary engine cooling tower is the clammy tower 4-1 of subsidiary engine, and the outlet of the clammy tower 4-1 of subsidiary engine is connected to heat exchanger 5
First import, the first outlet of heat exchanger 5 are connected to the inlet side of the clammy tower 4-1 of subsidiary engine by subsidiary engine cooling water pump 6；Each subsidiary engine is set
Standby 8 outlet is connected to the second import of heat exchanger 5, and the second outlet of heat exchanger 5 is connected to the inlet side of each subsidiary engine equipment 8.Respectively
The cooling water of subsidiary engine equipment 8 uses demineralized water, and the cooling water of the clammy tower 4-1 of subsidiary engine uses opened water, host indirect dry cooling tower 1
Cooling water uses demineralized water.The outlet of each subsidiary engine equipment 8 passes through the second import that the 4th valve F4 is connected to heat exchanger 5 all the way,
Another way is connected to the entrance of water circulating pump 3 by the second valve F2；The inlet side of each subsidiary engine equipment 8 passes through third valve F3 all the way
It is connected to the second outlet of heat exchanger 5, another way is connected to the outlet of host indirect dry cooling tower 1 by the first valve F1.
Referring to fig. 2, subsidiary engine cooling tower is subsidiary engine air cooling tower 4-2, and the outlet of subsidiary engine air cooling tower 4-2 is connected to each subsidiary engine equipment
The outlet of 8 inlet side, each subsidiary engine equipment 8 is connected to the inlet side of subsidiary engine air cooling tower 4-2.Subsidiary engine air cooling tower 4-2, host indirect air cooling
Tower 1 and the cooling water of each subsidiary engine equipment 8 use demineralized water.The outlet of each subsidiary engine equipment 8 passes through the 4th valve F4 all the way and is connected to
Subsidiary engine air cooling tower 4-2, another way are connected to the entrance of water circulating pump 3 by the second valve F2；The inlet side of each subsidiary engine equipment is all the way
It is connected to subsidiary engine air cooling tower 4-2 by third valve F3, another way is connected to host indirect dry cooling tower 1 by the first valve F1
Outlet.
Referring to Fig. 1, host machine cooling system uses indirect air cooling system, and subsidiary engine cooling system uses humid-cool system, and valve is arranged
Door F1, F2, F3 and F4, host cooling water pipeline and subsidiary engine cooling water pipeline are connected.When summer and spring and autumn are run, close
Valve closing door F1 and F2, open F3 and F4, and host machine cooling system is independently run with subsidiary engine cooling system.Winter or host are indirect
When air cooling tower water outlet meets subsidiary engine cooling system requirement, valve F1 and F2 are opened, F3 and F4 is closed, at this point, the clammy tower 4- of subsidiary engine
1, subsidiary engine cooling water pump 6 and heat exchanger 5 are stopped transport, and cooling water is fetched from host system through valve F1, are boosted by enclosed water pump 7
It is cooled down to each subsidiary engine equipment 8, the cooling water after heating is back to host indirect air cooling system through valve F2.
Referring to fig. 2, host machine cooling system uses indirect air cooling system, and subsidiary engine cooling system uses air cooling system, and valve is arranged
Door F1, F2, F3 and F4, host cooling water pipeline and subsidiary engine cooling water pipeline are connected.When summer and spring and autumn are run, close
Valve closing door F1 and F2, open F3 and F4, and host machine cooling system is independently run with subsidiary engine cooling system.Winter host is indirectly empty
When cold tower water outlet meets subsidiary engine cooling system requirement, valve F1 and F2 are opened, F3 and F4 is closed, at this point, subsidiary engine air cooling tower 4-2 stops
Fortune, cooling water fetch through valve F1 from host system, boost to each subsidiary engine equipment 8 by enclosed water pump 7 and cooled down, after heating
Cooling water be back to host indirect air cooling system through valve F2.
The present invention in winter when, make full use of the cooling capacity of host indirect dry cooling tower, the water outlet of host cooling tower is able to satisfy
The requirement of the cooling water inflow and water temperature of host and subsidiary engine cooling system.When subsidiary engine cooling system uses air cooling tower, winter air cooling tower stops
Fortune saves air cooling tower fan energy consumption.When subsidiary engine cooling system uses clammy tower, winter clammy tower and subsidiary engine cooling water pump are stopped transport,
It saves clammy tower blower power consumption, save subsidiary engine cooling water pump power consumption.When subsidiary engine cooling system uses clammy tower, winter, clammy tower stopped
Fortune reduces evaporation loss, windage loss and the blowdown loss of cooling tower, saves water consume.
Claims (9)
1. the composite structure of a kind of host machine cooling system and subsidiary engine cooling system, which is characterized in that including host machine cooling system and
Subsidiary engine cooling system, host machine cooling system include host indirect dry cooling tower (1), and the outlet of host indirect dry cooling tower (1) is divided into two
Road is connected to condenser (2) all the way, and condenser (2) is connected to water circulating pump (3), and it is indirectly empty that water circulating pump (3) is connected to host
The inlet side of cold tower (1)；Subsidiary engine cooling system includes subsidiary engine cooling tower, and the outlet of subsidiary engine cooling tower is connected to each subsidiary engine equipment (8)
Inlet side, the outlet of each subsidiary engine equipment (8) is divided into two-way, is connected to the inlet side of subsidiary engine cooling tower all the way, each subsidiary engine equipment (8)
Outlet another way is connected to the entrance of water circulating pump (3), and the outlet another way of the host indirect dry cooling tower (1) is connected to each auxiliary
The inlet side of machine equipment (8).
2. the composite structure of a kind of host machine cooling system and subsidiary engine cooling system according to claim 1, which is characterized in that
The subsidiary engine cooling tower is the clammy tower of subsidiary engine (4-1), the outlet of the clammy tower of subsidiary engine (4-1) be connected to the first of heat exchanger (5) into
Mouthful, the first outlet of heat exchanger (5) is connected to the inlet side of the clammy tower of subsidiary engine (4-1) by subsidiary engine cooling water pump (6)；Each subsidiary engine is set
The outlet of standby (8) is connected to the second import of heat exchanger (5), and the second outlet of heat exchanger (5) is connected to each subsidiary engine equipment (8)
Inlet side.
3. the composite structure of a kind of host machine cooling system and subsidiary engine cooling system according to claim 2, which is characterized in that
The cooling water of each subsidiary engine equipment (8) uses demineralized water, and the cooling water of the clammy tower of subsidiary engine (4-1) uses opened water, between host
The cooling water of air cooling tower (1) is connect using demineralized water.
4. the composite structure of a kind of host machine cooling system and subsidiary engine cooling system according to claim 2, which is characterized in that
The outlet of each subsidiary engine equipment (8) passes through the second import that the 4th valve (F4) is connected to heat exchanger (5) all the way, and another way is logical
Cross the entrance that the second valve (F2) is connected to water circulating pump (3)；The inlet side of each subsidiary engine equipment (8) passes through third valve (F3) all the way
It is connected to the second outlet of heat exchanger (5), another way is connected to going out for host indirect dry cooling tower (1) by the first valve (F1)
End.
5. the composite structure of a kind of host machine cooling system and subsidiary engine cooling system according to claim 1, which is characterized in that
The subsidiary engine cooling tower be subsidiary engine air cooling tower (4-2), the outlet of subsidiary engine air cooling tower (4-2) be connected to each subsidiary engine equipment (8) into
End, the outlet of each subsidiary engine equipment (8) are connected to the inlet side of subsidiary engine air cooling tower (4-2).
6. the composite structure of a kind of host machine cooling system and subsidiary engine cooling system according to claim 5, which is characterized in that
The cooling water of the subsidiary engine air cooling tower (4-2), host indirect dry cooling tower (1) and each subsidiary engine equipment (8) uses demineralized water.
7. the composite structure of a kind of host machine cooling system and subsidiary engine cooling system according to claim 1, which is characterized in that
The outlet of each subsidiary engine equipment (8) passes through the 4th valve (F4) all the way and is connected to subsidiary engine air cooling tower (4-2), and another way passes through the
Two valves (F2) are connected to the entrance of water circulating pump (3)；The inlet side of each subsidiary engine equipment (8) passes through third valve (F3) connection all the way
To subsidiary engine air cooling tower (4-2), another way is connected to the outlet of host indirect dry cooling tower (1) by the first valve (F1).
8. the composite structure of a kind of host machine cooling system and subsidiary engine cooling system according to claim 1, which is characterized in that
The inlet side of each subsidiary engine equipment (8) is provided with enclosed water pump (7).
9. the composite structure of a kind of host machine cooling system and subsidiary engine cooling system according to claim 1, which is characterized in that
The host indirect dry cooling tower (1) is that table coagulates formula indirect dry cooling tower or hybrid indirect dry cooling tower.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710631816.8A CN107462084B (en) | 2017-07-28 | 2017-07-28 | A kind of composite structure of host machine cooling system and subsidiary engine cooling system |
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| CN201710631816.8A CN107462084B (en) | 2017-07-28 | 2017-07-28 | A kind of composite structure of host machine cooling system and subsidiary engine cooling system |
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| CN107462084B true CN107462084B (en) | 2019-07-30 |
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| CN108398035B (en) * | 2018-02-27 | 2020-04-24 | 山东电力工程咨询院有限公司 | Combined cooling system and method for merging auxiliary machine cooling water into main machine indirect cooling tower |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4553396A (en) * | 1984-05-03 | 1985-11-19 | Water Services Of America, Inc. | Brine concentrator |
| FR2935737B1 (en) * | 2008-09-10 | 2013-02-15 | Suez Environnement | IMPROVED COGENERATION DEVICE |
| CN102183156A (en) * | 2011-03-30 | 2011-09-14 | 中国电力工程顾问集团华北电力设计院工程有限公司 | Parallel arranged indirect air-cooling systems of thermal power plant |
| CN102297609B (en) * | 2011-08-01 | 2012-11-21 | 山西省电力勘测设计院 | Indirect cooling system of common cooling tower |
| CN203756246U (en) * | 2014-03-12 | 2014-08-06 | 内蒙古电力勘测设计院 | Novel auxiliary machine cooling water system used for indirect air cooling unit |
| CN104501624B (en) * | 2014-12-04 | 2016-11-30 | 西安工程大学 | Evaporative type cooler and surface-type condensing system united power plant cooling system |
| CN205262031U (en) * | 2015-12-05 | 2016-05-25 | 内蒙古电力勘测设计院有限责任公司 | high back pressure heat supply unit auxiliary engine recirculating cooling water system |
| CN205262242U (en) * | 2015-12-29 | 2016-05-25 | 北京国电德安电力工程有限公司 | Air cooling island steam extraction cooling system |
| CN205448741U (en) * | 2016-03-28 | 2016-08-10 | 西安热工研究院有限公司 | Evaporation cooling system for indirect air cooling unit cold junction system |
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