CN101832623A - Pre-heat system of thermal power plant - Google Patents
Pre-heat system of thermal power plant Download PDFInfo
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- CN101832623A CN101832623A CN 201010142932 CN201010142932A CN101832623A CN 101832623 A CN101832623 A CN 101832623A CN 201010142932 CN201010142932 CN 201010142932 CN 201010142932 A CN201010142932 A CN 201010142932A CN 101832623 A CN101832623 A CN 101832623A
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- evaporimeter
- thermal power
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000010248 power generation Methods 0.000 claims description 6
- 238000004378 air conditioning Methods 0.000 abstract description 4
- 239000003245 coal Substances 0.000 abstract description 4
- 239000000498 cooling water Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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Abstract
The invention relates to a pre-heat system of a thermal power plant, at least comprising a set of heat pump air conditioning unit, a pump, a pool, a cooling tower, a stream condenser, a condensate pump, a low-temperature heater, a deaerator, a high-temperature heater and a boiler; the pool is below the cooling tower, the heat pump air conditioner unit comprises a evaporimeter, a compressor, a condenser and an expansion valve which constitute a circulation loop; an water outlet of the evaporimeter is connected with an water inlet of the stream condenser through the pump, the water inlet of the evaporimeter is connected with the pool by the pump, the water inlet of the condenser is connected with one water outlet of the stream condenser by the pump, the water outlet of the condenser is respectively connected with the condensate pump, the lower-temperature heater, the deaerator, the pump, the high-temperature heater and the boiler; the other water outlet of the condenser is connected with the cooling tower; the water outlet and the pump of the evaporimeter are connected by a pipeline and the pipeline of the water outlet of the pump of the evaporimeter and are then connected with the water inlet of the evaporimeter; in the invention, the advantages and characteristics of the air conditioner unit is made use of to reduce burning and pollution of coal and improve power generating efficiency.
Description
Technical field
The present invention relates to the pre-heating system of a kind of pre-heating system, particularly a kind of thermal power plant.
Background technology
The capital equipment system of heat power station comprises: fuel feed system, water supply system, vapour system, cooling system, electrical system and some other aid in treatment equipment.Thermal power generation also is one of traditional electric power energy obtaining means, especially in the area that lacks water resource.With respect to the hydroelectric generation that needs are built dam and reservoir, have the characteristics of small investment, instant effect.But thermal power generation is to serious environment pollution, and this is a difficult problem that needs solution at present.
Traditional coal firepower electricity generating principle is to utilize the steam that heat produces of coal burning to drive turbine generation.
Summary of the invention
The objective of the invention is system that the heat that water source heat pump air conditioning system produces is carried out preheating for the heat power station steam boiler, its is again the recooling system that utilizes water source heat pump air conditioning system to lower the temperature again for cooling-tower circulating water simultaneously.This invention can utilize regenerated resources, the energy-conservation energy.
In order to finish purpose of the present invention, the present invention adopts following technology to put case:
The pre-heating system in a kind of thermal power plant of the present invention, it comprises: at least one group of heat pump air conditioner unit, pump, the pond, cooling tower, condenser, condensate pump, low-temperature heater, oxygen-eliminating device, high temperature heater (HTH) and boiler, the pond is below cooling tower, the heat pump air conditioner unit comprises: evaporimeter, compressor, the closed circuit that condenser and expansion valve are formed, wherein: the delivery port of evaporimeter links to each other with the water inlet of condenser by pump, the water inlet of evaporimeter links to each other with the pond by pump, the water inlet of condenser links to each other with a delivery port of condenser by pump, the delivery port of condenser successively with condensate pump, low-temperature heater, oxygen-eliminating device, pump, high temperature heater (HTH) links to each other with boiler, another delivery port of condenser links to each other with cooling tower, the water that gets off from cooling tower enters the pond, and the pipeline of the delivery port of the pump by pipeline and evaporimeter between the water inlet of evaporimeter and the pump back that links to each other links to each other with the water inlet of condenser;
The pre-heating system in a kind of thermal power plant of the present invention, wherein: described heat pump air conditioner unit is 1-10;
The pre-heating system in a kind of thermal power plant of the present invention, wherein: described condenser is a heat exchanger;
The pre-heating system in a kind of thermal power plant of the present invention, wherein: described evaporimeter and condenser are heat exchanger;
The pre-heating system in a kind of thermal power plant of the present invention, wherein: described heat exchanger is plate type heat exchanger, coil heat exchanger or shell and tube exchanger;
The pre-heating system in a kind of thermal power plant of the present invention, wherein: described boiler is the boiler that thermal power generation is used.
The present invention utilizes the evaporimeter of water source heat pump air-conditioner unit refrigeration, and the principle that the while condenser heats is formed the water heating that two water systems flow out to condenser respectively, cools off for simultaneously the cooling water that the cooling-tower circulating water pump flows out again.The operation respectively of two water systems in pre-heating system, can reduce burning of coal, reduces and pollutes.Cooling again at cooling water system can improve generating efficiency.The advantage and the characteristics of this air-conditioning unit have been made full use of.
Description of drawings
Fig. 1 is the schematic diagram of the pre-heating system in a kind of thermal power plant of the present invention.
The specific embodiment
As shown in Figure 1, the pre-heating system in thermal power plant of the present invention comprises: at least one group of boiler 14 that heat pump air conditioner unit 1, pump 6, pond 7, cooling tower 8, condenser 9, condensate pump 10, low-temperature heater 11, oxygen-eliminating device 12, high temperature heater (HTH) 13 and thermal power generation are used, pond 7 is below cooling tower 8.Heat pump air conditioner unit 1 comprises: evaporimeter 2, compressor 4, the closed circuit that condenser 3 and expansion valve 5 are formed, (cold-producing medium is 134a to charge into cold-producing medium in this loop, cold-producing medium 407c or high temperature refrigerant working medium), the delivery port of evaporimeter 2 links to each other with the water inlet of condenser 9 by pump 6, the water inlet of evaporimeter 2 links to each other with pond 7 by pump 6, the water inlet of condenser 3 links to each other with a delivery port of condenser 9 by pump 6, the delivery port of condenser 3 successively with condensate pump 10, low-temperature heater 11, oxygen-eliminating device 12, pump 6, high temperature heater (HTH) 13 links to each other with boiler 14, another delivery port of condenser 9 links to each other with cooling tower 8, the water that gets off from cooling tower 8 enters the pond 7, and the pipeline of the delivery port of the pump 6 by pipeline and evaporimeter 2 between the water inlet of evaporimeter 2 and pump 6 back that links to each other links to each other with the water inlet of condenser.
The heat pump air conditioner unit though Fig. 1 has only drawn, in fact, the pre-heating system in thermal power plant can be connected with 1-10 heat pump air conditioner unit.
It is heat exchanger that condenser 9 among Fig. 1, evaporimeter 2 and condenser 3 are heat exchanger, and they can be plate type heat exchanger, coil heat exchanger or shell and tube exchanger.
Water source heat pump air-conditioner unit 1 has been connected by copper pipe by compressor 4, evaporimeter 2, condenser 3, expansion valve 5 these four critical pieces and has formed the loop.In this loop, evaporimeter 2 and condenser 3 are two heat exchangers of water source heat pump units 1, its operation mechanism be two cold-producing mediums in the heat exchanger respectively with two heat exchangers in water carry out heat exchange.Water source heat pump air-conditioner unit 1 is in operation work, cold-producing medium in evaporimeter 2, absorb heat (refrigeration), its cooling to as if from pond 7, flow out the water enter in the evaporimeter 2, water after the cooling enters condenser 9 through pump 6, to be water enter evaporimeter 2 from the pond 7 of cooling tower 8 belows through pumps 6 lowers the temperature after 1-5 ℃ again, delivers to condenser 9 again.Cold-producing medium is heat radiation in condenser 3, heating to as if the water that flows into the condensers 3 through pumps 6 from condenser 9.To the flow through temperature increase of water of condenser 3 of cold-producing medium.30 ℃ of water that flow out from condenser 9 are heated to 65 ℃ or 85 ℃ through after the preheating of condenser 3, deliver to condensate pump 10, low-temperature heater 11, oxygen-eliminating device 12, pump 6 and high temperature heater (HTH) 13 then successively after, send into the boiler 14 that thermal power generation is used at last.The efficient of this water source heat pump air-conditioner unit is: Energy Efficiency Ratio is about 4.5.
More than describing is explanation of the invention, is not that institute of the present invention restricted portion is referring to claim to the qualification of invention, and under the situation of spirit of the present invention, the present invention can do any type of modification.
Claims (6)
1. the pre-heating system in a thermal power plant, it comprises: at least one group of heat pump air conditioner unit (1), pump (6), pond (7), cooling tower (8), condenser (9), condensate pump (10), low-temperature heater (11), oxygen-eliminating device (12), high temperature heater (HTH) (13) and boiler (14), pond (7) is in the below of cooling tower (8), heat pump air conditioner unit (1) comprising: evaporimeter (2), compressor (4), the closed circuit that condenser (3) and expansion valve (5) are formed, it is characterized in that: the delivery port of evaporimeter (2) links to each other with the water inlet of condenser (9) by pump (6), the water inlet of evaporimeter (2) links to each other with pond (7) by pump (6), the water inlet of condenser (3) links to each other with a delivery port of condenser (9) by pump (6), the delivery port of condenser (3) successively with condensate pump (10), low-temperature heater (11), oxygen-eliminating device (12), pump (6), high temperature heater (HTH) (13) links to each other with boiler (14), another delivery port of condenser (9) links to each other with cooling tower (8), the water that gets off from cooling tower (8) enters the pond (7), and the pipeline of pump (6) delivery port by pipeline and evaporimeter (2) between the water inlet of evaporimeter (2) and pump (6) back that links to each other links to each other with the water inlet of condenser (9).
2. the pre-heating system in thermal power plant as claimed in claim 1 is characterized in that: described heat pump air conditioner unit (1) is 1-10.
3. the pre-heating system in thermal power plant as claimed in claim 2, it is characterized in that: described condenser (9) is a heat exchanger.
4. the pre-heating system in thermal power plant as claimed in claim 3, it is characterized in that: described evaporimeter (2) and condenser (3) are heat exchanger.
5. as the pre-heating system in claim 3 or 4 described thermal power plants, it is characterized in that: described heat exchanger is plate type heat exchanger, coil heat exchanger or shell and tube exchanger.
6. the pre-heating system in thermal power plant as claimed in claim 5, it is characterized in that: described boiler is the boiler that thermal power generation is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101429321A CN101832623B (en) | 2010-04-09 | 2010-04-09 | Preheating system of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101429321A CN101832623B (en) | 2010-04-09 | 2010-04-09 | Preheating system of thermal power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101832623A true CN101832623A (en) | 2010-09-15 |
| CN101832623B CN101832623B (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101429321A Expired - Fee Related CN101832623B (en) | 2010-04-09 | 2010-04-09 | Preheating system of thermal power plant |
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| Country | Link |
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| CN (1) | CN101832623B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261768A (en) * | 2011-06-02 | 2011-11-30 | 杨贻方 | Heat pump special for power station |
| CN103591572A (en) * | 2013-11-15 | 2014-02-19 | 大连圣鼎工业装备有限公司 | Steam boiler energy-saving water feeding device acquiring free cool air supply |
| CN107062934A (en) * | 2017-05-15 | 2017-08-18 | 华电电力科学研究院 | A kind of energy-conservation vacuumizes cooling system and method |
| CN107120826A (en) * | 2017-06-16 | 2017-09-01 | 大连恒通和科技有限公司 | Module pneumoelectric alliance hot-water heating system |
| CN113776231A (en) * | 2021-10-15 | 2021-12-10 | 西安热工研究院有限公司 | Condenser waste heat recycling system and method based on heat pump and refrigerating system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101135437A (en) * | 2007-10-12 | 2008-03-05 | 莱芜钢铁集团有限公司 | Method and device for recycling residual heat of blast furnace low-temperature recirculated water with heat pump technology |
| CN201059543Y (en) * | 2007-06-14 | 2008-05-14 | 陈天成 | Energy-saving heat pump type steam can |
| CN101231004A (en) * | 2008-02-28 | 2008-07-30 | 清华大学 | Large temperature-difference central heating system |
| CN201666569U (en) * | 2010-04-09 | 2010-12-08 | 王金柱 | Pre-heating system for coal -fired power plant |
-
2010
- 2010-04-09 CN CN2010101429321A patent/CN101832623B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201059543Y (en) * | 2007-06-14 | 2008-05-14 | 陈天成 | Energy-saving heat pump type steam can |
| CN101135437A (en) * | 2007-10-12 | 2008-03-05 | 莱芜钢铁集团有限公司 | Method and device for recycling residual heat of blast furnace low-temperature recirculated water with heat pump technology |
| CN101231004A (en) * | 2008-02-28 | 2008-07-30 | 清华大学 | Large temperature-difference central heating system |
| CN201666569U (en) * | 2010-04-09 | 2010-12-08 | 王金柱 | Pre-heating system for coal -fired power plant |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261768A (en) * | 2011-06-02 | 2011-11-30 | 杨贻方 | Heat pump special for power station |
| CN103591572A (en) * | 2013-11-15 | 2014-02-19 | 大连圣鼎工业装备有限公司 | Steam boiler energy-saving water feeding device acquiring free cool air supply |
| CN107062934A (en) * | 2017-05-15 | 2017-08-18 | 华电电力科学研究院 | A kind of energy-conservation vacuumizes cooling system and method |
| CN107062934B (en) * | 2017-05-15 | 2022-11-25 | 华电电力科学研究院有限公司 | Energy-saving vacuumizing cooling system and method |
| CN107120826A (en) * | 2017-06-16 | 2017-09-01 | 大连恒通和科技有限公司 | Module pneumoelectric alliance hot-water heating system |
| CN113776231A (en) * | 2021-10-15 | 2021-12-10 | 西安热工研究院有限公司 | Condenser waste heat recycling system and method based on heat pump and refrigerating system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101832623B (en) | 2012-05-30 |
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Owner name: SHANDONG FUTE NEW ENERGY CO., LTD. Free format text: FORMER OWNER: WANG JINZHU Effective date: 20140331 Owner name: WANG JINZHU Effective date: 20140331 |
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Free format text: CORRECT: ADDRESS; FROM: 100061 CHONGWEN, BEIJING TO: 266000 QINGDAO, SHANDONG PROVINCE |
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Effective date of registration: 20140331 Address after: 266000 Shandong province north of Qingdao Laoshan Road No. 1022 Qingdao arts 1688 Creative Industry Park D-2 building 4 floor Patentee after: Shandong rich new energy Co., Ltd. Patentee after: Wang Jinzhu Address before: 100061, No. 6, credit north, Chongwen District, Beijing Patentee before: Wang Jinzhu |
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Owner name: SHANDONG FUTE ENERGY MANAGEMENT CO., LTD. Free format text: FORMER NAME: SHANDONG FUTE NEW ENERGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 266000 Shandong province north of Qingdao Laoshan Road No. 1022 Qingdao arts 1688 Creative Industry Park D-2 building 4 floor Patentee after: SHANDONG FUTE ENERGY MANAGEMENT CO., LTD. Patentee after: Wang Jinzhu Address before: 266000 Shandong province north of Qingdao Laoshan Road No. 1022 Qingdao arts 1688 Creative Industry Park D-2 building 4 floor Patentee before: Shandong rich new energy Co., Ltd. Patentee before: Wang Jinzhu |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20160409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |