CN208269248U - A kind of Comprehensive Utilization Power Plant steam exhaust, subsidiary engine cooling water heat, solar energy step heating system - Google Patents
A kind of Comprehensive Utilization Power Plant steam exhaust, subsidiary engine cooling water heat, solar energy step heating system Download PDFInfo
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- CN208269248U CN208269248U CN201820522388.5U CN201820522388U CN208269248U CN 208269248 U CN208269248 U CN 208269248U CN 201820522388 U CN201820522388 U CN 201820522388U CN 208269248 U CN208269248 U CN 208269248U
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- heat
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- pressure cylinder
- engine cooling
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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Abstract
A kind of Comprehensive Utilization Power Plant steam exhaust, subsidiary engine cooling water heat, the step heating system of solar energy, including air cooling unit, Air-Cooling Island (4), heat supply condenser (5), electric heat pump (6), solar heat-exchange station (7), subsidiary engine cooling water outlet pipe (8), induced cooling tower (9), hot water valve (10), subsidiary engine cooling water return pipe (11), trough type solar heat-collector (12), peak load calorifier (13), heat user (14), the air cooling unit includes high pressure cylinder (1), intermediate pressure cylinder (2) and low pressure (LP) cylinder (3), generator (15)；High pressure cylinder (1), intermediate pressure cylinder (2), low pressure (LP) cylinder (3) and the generator (15) of air cooling unit are sequentially connected.
Description
Technical field
The utility model belongs to more than heat supply process field more particularly to a kind of Comprehensive Utilization Power Plant steam exhaust, subsidiary engine cooling water
Heat, the step heating system of solar energy.
Background technique
Steam power plant carries extremely important role as important city thermal energy supply center.Nowadays, with science and technology
Development, social progress, people have begun among the visual field for more sight being turned to " energy-saving and emission-reduction ", how effective land productivity
Become the problem of most meriting attention now with resource.In March, 2016, National Development and Reform Committee, National Energy Board, the Ministry of Finance, house city
The Ministry of Construction of township, Environmental Protection Department, which are combined, prints and distributes " cogeneration of heat and power management method ", clearly propose: " encourage adaptation to local conditions using waste heat,
The clean energy resource and renewable energy heat-supplying mode of the diversified forms such as overbottom pressure, biomass energy, geothermal energy, solar energy, combustion gas." big
It is the important measures saved non-renewable energy, protect environment that power, which develops clean energy resource to utilize, reinforce heat recovery,.And show
With the presence of some defects of traditional thermal power plant unit, such as heat exchangers for district heating heat transfer temperature difference is big, steam exhaust and subsidiary engine cooling water heat
It is unutilized etc..For this phenomenon, we are studied how to effectively improve this problem.
Summary of the invention
The purpose of the present invention is reduce the consumption of non-renewable energy, reduce total heat transfer temperature difference and solve abdominal muscle cooling water
Ardent unutilized problem.The utility model proposes a kind of Comprehensive Utilization Power Plant steam exhaust, subsidiary engine cooling water heat, solar energy
Step heating system, solving heating system scheme used by its technical problem is: to achieve the goals above, the present invention makes sky
High pressure cylinder 1, intermediate pressure cylinder 2, low pressure (LP) cylinder 3 and the generator 15 of cold group are sequentially connected, and the gland steam exhauster of air cooling unit is respectively communicated with
Air-Cooling Island 4 and heat supply condenser 5, the outlet conduit of the vapour side outlet connection Air-Cooling Island 4 of heat supply condenser 5, the two condensed water converge
Plant feedwater system, the high temperature side water inlet pipe of the water side outlet connection electric heat pump 6 of heat supply condenser 5, electronic heat are flowed into after poly-
The water side water inlet pipe at the high temperature side outlet pipe connection solar heat-exchange station 7 of pump 6, subsidiary engine cooling water outlet pipe 8 connect mechanical draft
The water inlet pipe of cooling tower 9, and by the water at low temperature water inlet pipe of the connection electric heat pump 6 of hot water valve 10, induced cooling tower 9 goes out
The water at low temperature outlet pipe of water pipe and electric heat pump 6 is connected with subsidiary engine cooling water return pipe 11, into 7 heat supply network of solar heat-exchange station
Water is heated by trough type solar heat-collector 12,7 water side outlet pipe of solar heat-exchange station connect 13 water side of peak load calorifier into
The steam inlet pipe road of water pipe, peak load calorifier 13 is connected with intermediate pressure cylinder 2, and the hot net water of peak load calorifier 13 in intermediate pressure cylinder 2 by extracting
Steam heating, it is cooled after steam mouth measured by the vapour of peak load calorifier 13 enter power station heat regenerative system, spike heats
The outlet conduit of device 13 is connected with the primary net water inlet line of heat user 14, and the primary net outlet pipe of heat user 14 is connected for heat setting
The water side entrance pipeline of vapour device 5.
The energy source of electric heat pump 6 is factory in a kind of high back pressure heating system using subsidiary engine circulating water afterheat
Electricity consumption.
A kind of Comprehensive Utilization Power Plant steam exhaust, subsidiary engine cooling water heat, solar energy step heating system, utilize power plant
Hot net water is successively heated in steam exhaust, subsidiary engine cooling water heat, solar energy, intermediate pressure cylinder steam extraction.
For the air cooling unit based on Direct Air-cooled Unit, the operating mode of heat supply network water supply progressive solution utilizes power plant
As hot net water first order heat source, the hot net water after steam exhaust heating flows into electric heat pump 6 and carries out second of heating, electronic heat for steam exhaust
Hot net water after 6 heating of pump flows into solar heat-exchange station 7 and carries out third time heating, the heat supply network in solar heat-exchange station 7 after heating
Water flows into peak load calorifier 13 and carries out the 4th heating, after the hot net water after the heating of peak load calorifier 13 flows into 14 heat release of heat user
Heat supply condenser 5 is returned to, circulation is formed.
The utility model has the beneficial effects that:
(1) using solar energy as wherein level-one heat source, reduce the consumption of non-renewable energy.
(2) heat for the subsidiary engine cooling water that should be lost in environment has been recycled using heat pump, intermediate pressure cylinder steam extraction amount makes more
More high-grade steams are for generating electricity.
(3) according to required heat supply network coolant-temperature gage, graded supply mode is taken, total heat transfer temperature difference is reduced, reduces heat supply
The waste of high-grade energy in the process.
(4) heat supply mode is coagulated compared to traditional pumping, exhaust steam in steam turbine heat, subsidiary engine cooling water heat and solar energy
It utilizes, the maximum area of heat-supply service in power station can be significantly increased.
Detailed description of the invention
Attached drawing 1 be Comprehensive Utilization Power Plant steam exhaust, solar energy, steam extraction step heating system structural schematic diagram.
Appended drawing reference: 1- high pressure cylinder, 2- intermediate pressure cylinder, 3- low pressure (LP) cylinder, 4- Air-Cooling Island, 5- heat supply condenser, 6- electric heat pump,
7- solar heat-exchange station, 8- subsidiary engine circulating water outlet pipe, 9- induced cooling tower, 10- hot water valve, 11- subsidiary engine recirculated water return
Water pipe, 12- trough type solar heat-collector, 13- peak load calorifier, 14- heat user, 15- generator.
Specific embodiment
To make full use of exhaust steam of electric power plant, subsidiary engine cooling water heat, solar energy, the consumption of coal in heat supplying process is reduced, originally
Utility model provides the step heating system of a kind of Comprehensive Utilization Power Plant steam exhaust, subsidiary engine cooling water heat, solar energy.It ties below
Attached drawing is closed the utility model is described in detail.
Attached drawing 1 be Comprehensive Utilization Power Plant steam exhaust, subsidiary engine cooling water heat, solar energy step heating system structural representation
Figure, as shown in Figure 1, cold including air cooling unit, Air-Cooling Island 4, heat supply condenser 5, electric heat pump 6, solar heat-exchange station 7, subsidiary engine
But water outlet pipe 8, induced cooling tower 9, hot water valve 10, subsidiary engine cooling water return pipe 11, trough type solar heat-collector 12, point
Peak heater 13, heat user 14, the air cooling unit include high pressure cylinder 1, intermediate pressure cylinder 2 and low pressure (LP) cylinder 3, generator 15；Air cooler
High pressure cylinder 1, intermediate pressure cylinder 2, low pressure (LP) cylinder 3 and the generator 15 of group are sequentially connected, and the gland steam exhauster of air cooling unit is respectively communicated with air-cooled
Island 4 and heat supply condenser 5, the outlet conduit of the vapour side outlet connection Air-Cooling Island 4 of heat supply condenser 5, after the convergence of the two condensed water
Plant feedwater system is flowed into, the water side outlet of heat supply condenser 5 connects the high temperature side water inlet pipe of electric heat pump 6, electric heat pump 6
High temperature side outlet pipe connects the water side water inlet pipe at solar heat-exchange station 7, and subsidiary engine cooling water outlet pipe 8 connects induced cooling tower
9 water inlet pipe, and by hot water valve 10 connect electric heat pump 6 water at low temperature water inlet pipe, the outlet pipe of induced cooling tower 9 and
The water at low temperature outlet pipe of electric heat pump 6 is connected with subsidiary engine cooling water return pipe 11, into 7 hot net water of solar heat-exchange station by slot
Formula solar thermal collector 12 is heated, and 7 water side outlet pipe of solar heat-exchange station connects 13 water side water inlet pipe of peak load calorifier, point
The steam inlet pipe road of peak heater 13 is connected with intermediate pressure cylinder 2, and the hot net water of peak load calorifier 13 is added by the steam extracted in intermediate pressure cylinder 2
Heat, the steam after being cooled measure mouth by the vapour of peak load calorifier 13 and enter power station heat regenerative system, and peak load calorifier 13 goes out
Waterpipe is connected with the primary net water inlet line of heat user 14, the primary net outlet pipe connection heat supply condenser 5 of heat user 14
Water side entrance pipeline.
The step heating system during heat supply, by adjust power station own control systems control flow into Air-Cooling Island 5 and
The steam exhaust flow of heat supply condenser 5, and guarantee the antifreeze flow of minimum of Air-Cooling Island 4, while controlling air cooling unit back pressure and being increased to
35kPa, heat supply network return water flows into heat supply condenser 5 and is heated to 65 ~ 70 DEG C by exhaust steam in steam turbine at this time, adds in heat supply condenser 5
Hot net water after heat successively flows into electric heat pump 6, solar heat-exchange station 7, peak load calorifier 13, after temperature reaches heat user demand
It flows into heat user 14 and carries out heat release, the hot net water after heat release returns to heat supply condenser 5 and constitutes a circulation.After heat supply period,
It adjusts power station control system to cut off the steam extraction from intermediate pressure cylinder 2 and go to the steam exhaust of heat supply condenser 5, simultaneously closes off electronic heat
6, solar heat-exchange station 7, trough type solar heat-collector 12 are pumped, unit is switched to pure condensate operation.
The embodiment is only the preferable specific embodiment of the utility model, but the protection scope of the utility model not office
It is limited to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with
Subject to scope of protection of the claims.
Claims (3)
1. the step heating system of a kind of Comprehensive Utilization Power Plant steam exhaust, subsidiary engine cooling water heat, solar energy, including air cooling unit,
Air-Cooling Island (4), heat supply condenser (5), electric heat pump (6), solar heat-exchange station (7), subsidiary engine cooling water outlet pipe (8), machine power
Aerating and cooling tower (9), hot water valve (10), subsidiary engine cooling water return pipe (11), trough type solar heat-collector (12), peak load calorifier
(13), heat user (14), the air cooling unit include high pressure cylinder (1), intermediate pressure cylinder (2) and low pressure (LP) cylinder (3), generator (15)；It is empty
High pressure cylinder (1), intermediate pressure cylinder (2), low pressure (LP) cylinder (3) and the generator (15) of cold group are sequentially connected, the gland steam exhauster of air cooling unit
It is respectively communicated with Air-Cooling Island (4) and heat supply condenser (5), the outlet pipe of vapour side outlet connection Air-Cooling Island (4) of heat supply condenser (5)
Road flows into plant feedwater system after the convergence of the two condensed water, water side outlet connection electric heat pump (6) of heat supply condenser (5)
High temperature side water inlet pipe, the water side water inlet pipe of high temperature side outlet pipe connection solar heat-exchange station (7) of electric heat pump (6), subsidiary engine are cold
But the water inlet pipe of water outlet pipe (8) connection induced cooling tower (9), and pass through hot water valve (10) connection electric heat pump (6)
Water at low temperature water inlet pipe, the outlet pipe of induced cooling tower (9) and the water at low temperature outlet pipe of electric heat pump (6) are cooling with subsidiary engine
Water return pipe (11) is connected, and is heated into solar heat-exchange station (7) hot net water by trough type solar heat-collector (12), the sun
Can heat exchange station (7) water side outlet pipe connect peak load calorifier (13) water side water inlet pipe, the steam inlet pipe road of peak load calorifier (13) with
Intermediate pressure cylinder (2) is connected, and the hot net water of peak load calorifier (13) is heated by the steam extracted in intermediate pressure cylinder (2), the steaming after being cooled
Vapour measures mouth by the vapour of peak load calorifier (13) and enters power station heat regenerative system, and the outlet conduit and heat of peak load calorifier (13) are used
The primary net water inlet line at family (14) is connected, and the water side of primary net outlet pipe connection heat supply condenser (5) of heat user (14) enters
Mouth pipeline.
2. a kind of Comprehensive Utilization Power Plant steam exhaust according to claim 1, the step heat supply of subsidiary engine cooling water heat, solar energy
System, it is characterized in that: the energy source of the electric heat pump (6) is station service.
3. a kind of Comprehensive Utilization Power Plant steam exhaust according to claim 1, the step heat supply of subsidiary engine cooling water heat, solar energy
System, it is characterized in that: the step heating system of a kind of Comprehensive Utilization Power Plant steam exhaust, subsidiary engine cooling water heat, solar energy
Hot net water is successively heated using exhaust steam of electric power plant, subsidiary engine cooling water heat, solar energy, intermediate pressure cylinder steam extraction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820522388.5U CN208269248U (en) | 2018-04-13 | 2018-04-13 | A kind of Comprehensive Utilization Power Plant steam exhaust, subsidiary engine cooling water heat, solar energy step heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820522388.5U CN208269248U (en) | 2018-04-13 | 2018-04-13 | A kind of Comprehensive Utilization Power Plant steam exhaust, subsidiary engine cooling water heat, solar energy step heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208269248U true CN208269248U (en) | 2018-12-21 |
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ID=64677375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820522388.5U Expired - Fee Related CN208269248U (en) | 2018-04-13 | 2018-04-13 | A kind of Comprehensive Utilization Power Plant steam exhaust, subsidiary engine cooling water heat, solar energy step heating system |
Country Status (1)
| Country | Link |
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| CN (1) | CN208269248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023857A (en) * | 2019-12-30 | 2020-04-17 | 国电龙源节能技术有限公司上海分公司 | Dry-wet combined cooling system and method utilizing power station auxiliary machine circulating water |
-
2018
- 2018-04-13 CN CN201820522388.5U patent/CN208269248U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023857A (en) * | 2019-12-30 | 2020-04-17 | 国电龙源节能技术有限公司上海分公司 | Dry-wet combined cooling system and method utilizing power station auxiliary machine circulating water |
| CN111023857B (en) * | 2019-12-30 | 2021-09-07 | 国电龙源节能技术有限公司上海分公司 | Dry-wet combined cooling system and method utilizing power station auxiliary machine circulating water |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 Termination date: 20200413 |