CN103912325B - Cogeneration units circulating water heating condenser is realized the adjustable running gear of high back pressure - Google Patents
Cogeneration units circulating water heating condenser is realized the adjustable running gear of high back pressure Download PDFInfo
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- CN103912325B CN103912325B CN201410149673.3A CN201410149673A CN103912325B CN 103912325 B CN103912325 B CN 103912325B CN 201410149673 A CN201410149673 A CN 201410149673A CN 103912325 B CN103912325 B CN 103912325B
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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
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
The present invention relates to a kind of cogeneration units circulating water heating condenser and realize the adjustable running gear of high back pressure, comprise steam turbine, steam turbine connects condenser by exhaust casing, it is characterized in that: described condenser is divided into independently condenser one district and condenser 2nd district, in condenser one district, be respectively equipped with condenser one district's water inlet and condenser one district's delivery port, in condenser 2nd district, be respectively equipped with condenser two district's water inlets and condenser two district's delivery ports. The invention has the beneficial effects as follows: the flexibility and the security that have improved unit on-load ability; Pressure-bearing can reach heat supply network requirement; When can ensureing to greatest extent unit heat supply, many power supplies to greatest extent; Under extreme operating condition, condenser two district's recirculated waters can all be taken over heat supply network load, can not cause stopping accident; At utmost point cool region, when unit can be with at full capacity, keeping condenser two district's recirculated waters is zero; Simple, economical reliable.
Description
(1) technical field
The invention belongs to cogeneration units heating energy-saving technical field, particularly a kind of cogeneration units recirculated waterHeat supply condenser is realized the adjustable running gear of high back pressure.
(2) background technology
Thermal power plant cogeneration units when heat supply, starts to adopt high back pressure circulating water heating technology in the winter time. AdoptThis technology, by turbine low pressure cylinder exhaust steam pressure bring up to 33kPa and more than, exhaust temperature is generally more than 65 DEG C. Steam turbineSteam discharge can directly heat heat supply network recirculated water by condenser, to user's heat supply. This technology will be returned the exhaust steam of sky discharge originallyReceive and utilize, realizing cold source energy is zero, and more than unit thermal efficiency of cycle reaches 95 ﹪, area of heat-supply service can double, energy-conservationEmission reduction effect is very remarkable.
But, adopt high back pressure circulating water heating technology, originally the condenser pressure of design is on the low side, can not meet hot net waterThe requirement of pressure. Meanwhile, adopt high back pressure circulating water heating, the operation of unit electricity determining by heat, it is one a pair of that electric load and heat supply network are loadedShould regulate, thermic load directly affects the height of electric load, and unit itself, without regulating measure, has a strong impact on the economy fortune of unitOK, directly affect the electric load of unit in the time that heat supply network goes wrong, the safety and reliability of unit is limited by the safety of heat supply networkProperty.
(3) summary of the invention
The present invention, in order to make up the deficiency of above-mentioned technology, provides a kind of cogeneration units circulating water heating condenser realThe existing adjustable running gear of high back pressure.
The present invention is achieved through the following technical solutions:
A kind of cogeneration units circulating water heating condenser is realized the adjustable running gear of high back pressure, comprises steam turbine, vapourTurbine connects condenser by exhaust casing, it is characterized in that: described condenser is divided into independently condenser one district and condenser twoDistrict, is respectively equipped with condenser one district's water inlet and condenser one district's delivery port in condenser one district, condenser is established respectively in 2nd districtThere are condenser two district's water inlets and condenser two district's delivery ports.
Described condenser one district's water inlet connects hot net water water return pipeline, and condenser one district's delivery port connects hot net water and supplies waterPipeline, condenser two district's water inlets connect recirculated water water supply line, and condenser two district's delivery ports connect recirculated water water return pipeline.
On described hot net water water return pipeline, hot net water water supply line, recirculated water water supply line and recirculated water water return pipeline, divideBe not connected with water circulating pump.
The invention has the beneficial effects as follows: can realize that heat supply, pure condensate are used simultaneously and use respectively, having improved unit on-loadThe flexibility of ability and security; Pressure-bearing can reach heat supply network requirement; When can ensureing to greatest extent unit heat supply, all rightMany power supplies, have increased income to greatest extent; Under extreme operating condition, it is negative that condenser two district's recirculated waters can all be taken over heat supply networkLotus, unit can be stablized 50% load, can not cause stopping accident; At utmost point cool region, when unit can be with at full capacity, keep condensingQi Er district recirculated water is zero; Simple, economical reliable.
(4) brief description of the drawings
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Accompanying drawing 1 is structural representation of the present invention;
In figure, 1 steam turbine, 2 condensers, 3 condenser one district, 4 condenser 2nd district, 5 condenser one district's water inlets, 6 condensingsQi Yi district delivery port, 7 condenser two district's water inlets, 8 condenser two district's delivery ports, 9 hot net water water return pipelines, 10 hot net waters supply waterPipeline, 11 recirculated water water supply lines, 12 recirculated water water return pipelines, 13 water circulating pumps.
(5) detailed description of the invention
Accompanying drawing is a kind of specific embodiment of the present invention. This embodiment comprises steam turbine 1, and steam turbine 1 connects by exhaust casingConnect condenser 2, condenser 2 is divided into independently condenser one district 3 and condenser two districts 4, is respectively equipped with solidifying in condenser one district 3Qi Qi mono-district's water inlet 5 and condenser one district's delivery port 6, be respectively equipped with condenser two district's water inlets 7 and solidifying in condenser two districts 4Qi Qi bis-district's delivery ports 8. Condenser one district's water inlet 5 connects hot net water water return pipeline 9, and condenser one district's delivery port 6 connects heatNet water water supply line 10, condenser two district's water inlets 7 connect recirculated water water supply line 11, and condenser two district's delivery ports 8 connections followRing water water return pipeline 12. Hot net water water return pipeline 9, hot net water water supply line 10, recirculated water water supply line 11 and recirculated water backwaterOn pipeline 12, be connected with respectively water circulating pump 13.
Adopt cogeneration units circulating water heating condenser of the present invention to realize the adjustable running gear of high back pressure, heat supply phaseBetween, steam turbine 1 improves back pressure, and condenser one district 3 passes into hot net water and absorbs steam turbine 1 exhaust steam heat, externally heat supply; Steam discharge is unnecessaryHeat taken away by condenser two district's 4 recirculated waters, can by back pressure controller regulate water circulating pump 13 load, to regulate recirculated waterFlow regulates unit back pressure, adjusts load. Non-for the hot season, when pure condensate operation, condenser one district 3 switches to circulation by valveWater lines, steam discharge enters two condensers, one district 3 and condenser two districts 4, is all taken away cooling by recirculated water. Condenser one district 3With condenser two districts 4 can independent operating, due to heating period, one of circulating water flow when hot net water underfed pure condensate operating modeHalf, can meet heat exchange requirement therefore only need condenser one district 3 to pass into hot net water; Condenser two districts 4 pass into a small amount of former recirculated water and useTo regulate steam turbine 1 back pressure.
Claims (1)
1. cogeneration units circulating water heating condenser is realized the adjustable running gear of high back pressure, comprises steam turbine (1), vapourTurbine (1) connects condenser (2) by exhaust casing, it is characterized in that: described condenser (2) is divided into independently condenser one district(3) and condenser 2nd district (4), in condenser one district (3), be respectively equipped with condenser one district's water inlet (5) and condenser one district water outletMouth (6), is respectively equipped with condenser two district's water inlets (7) and condenser two district's delivery ports (8) in condenser 2nd district (4); CondenserOne district's water inlet (5) connects hot net water water return pipeline (9), and condenser one district's delivery port (6) connects hot net water water supply line (10),Condenser two district's water inlets (7) connect recirculated water water supply line (11), and condenser two district's delivery ports (8) connect recirculated water return pipeRoad (12); Hot net water water return pipeline (9), hot net water water supply line (10), recirculated water water supply line (11) and recirculated water return pipeOn road (12), be connected with respectively water circulating pump (13); Heating period, steam turbine (1) improves back pressure, and condenser one district (3) passes into heatNet water absorbs steam turbine (1) exhaust steam heat, externally heat supply; The unnecessary heat of steam discharge is taken away by condenser 2nd district (4) recirculated water, canRegulate water circulating pump (13) load by back pressure controller, to regulate circulating water flow to regulate unit back pressure, adjust load; Non-For the hot season, when pure condensate operation, condenser one district (3) switches to circulating water line by valve, and steam discharge enters two condensers oneDistrict (3) and condenser 2nd district (4), all taken away cooling by recirculated water; Heating period, condenser one district (3) and condenser 2nd district(4) independent operating, the half of the circulating water flow during due to hot net water underfed pure condensate operating mode, therefore only need condenser one district(3) pass into hot net water and can meet heat exchange requirement, condenser 2nd district (4) pass into a small amount of former recirculated water in order to regulate steam turbine (1)Back pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410149673.3A CN103912325B (en) | 2014-04-15 | 2014-04-15 | Cogeneration units circulating water heating condenser is realized the adjustable running gear of high back pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410149673.3A CN103912325B (en) | 2014-04-15 | 2014-04-15 | Cogeneration units circulating water heating condenser is realized the adjustable running gear of high back pressure |
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| Publication Number | Publication Date |
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| CN103912325A CN103912325A (en) | 2014-07-09 |
| CN103912325B true CN103912325B (en) | 2016-05-11 |
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| CN201410149673.3A Expired - Fee Related CN103912325B (en) | 2014-04-15 | 2014-04-15 | Cogeneration units circulating water heating condenser is realized the adjustable running gear of high back pressure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910454A (en) * | 2016-05-17 | 2016-08-31 | 山东泓奥电力科技有限公司 | Direct high back pressure heat supply system of indirect air cooling unit |
| CN113587185A (en) * | 2021-07-01 | 2021-11-02 | 国核电力规划设计研究院有限公司 | Heat supply system of nuclear power unit and control method of heat supply system |
Citations (5)
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|---|---|---|---|---|
| US4170879A (en) * | 1977-01-14 | 1979-10-16 | Ingeborg Laing | Method and system for utilizing waste heat generated in thermal electric power stations |
| SU1249180A1 (en) * | 1983-08-03 | 1986-08-07 | Научно-Производственное Объединение По Исследованию И Проектированию Энергетического Оборудования Им.И.И.Ползунова | Steam-turbine extraction plant |
| CN102607088A (en) * | 2012-03-29 | 2012-07-25 | 兖州煤业股份有限公司 | High-efficiency and energy-saving heating method and heating system |
| CN203114363U (en) * | 2013-01-08 | 2013-08-07 | 山东泓奥电力科技有限公司 | Large thermal generator set high back pressure circulating water heat supplying energy-saving system |
| CN203891948U (en) * | 2014-04-15 | 2014-10-22 | 山东翰飞电力科技有限公司 | Adjustable operation device achieving high back pressure by circulating water heat supplying condensers of cogeneration units |
-
2014
- 2014-04-15 CN CN201410149673.3A patent/CN103912325B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4170879A (en) * | 1977-01-14 | 1979-10-16 | Ingeborg Laing | Method and system for utilizing waste heat generated in thermal electric power stations |
| SU1249180A1 (en) * | 1983-08-03 | 1986-08-07 | Научно-Производственное Объединение По Исследованию И Проектированию Энергетического Оборудования Им.И.И.Ползунова | Steam-turbine extraction plant |
| CN102607088A (en) * | 2012-03-29 | 2012-07-25 | 兖州煤业股份有限公司 | High-efficiency and energy-saving heating method and heating system |
| CN203114363U (en) * | 2013-01-08 | 2013-08-07 | 山东泓奥电力科技有限公司 | Large thermal generator set high back pressure circulating water heat supplying energy-saving system |
| CN203891948U (en) * | 2014-04-15 | 2014-10-22 | 山东翰飞电力科技有限公司 | Adjustable operation device achieving high back pressure by circulating water heat supplying condensers of cogeneration units |
Non-Patent Citations (2)
| Title |
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| 凝汽器半面纯凝半面低真空供热的可行性分析;张国华;《内蒙古电力技术》;20020228;第20卷(第1期);全文 * |
| 多压凝汽器供热的研究;谭欣星等;《长沙理工大学学报》;20081231;第5卷(第4期);正文第49-50页及附图2-4 * |
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| CN103912325A (en) | 2014-07-09 |
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Granted publication date: 20160511 Termination date: 20190415 |