CN109210969A - A kind of residual heat of electric power plant and clean energy resource utilization system - Google Patents
A kind of residual heat of electric power plant and clean energy resource utilization system Download PDFInfo
- Publication number
- CN109210969A CN109210969A CN201811270319.0A CN201811270319A CN109210969A CN 109210969 A CN109210969 A CN 109210969A CN 201811270319 A CN201811270319 A CN 201811270319A CN 109210969 A CN109210969 A CN 109210969A
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- Prior art keywords
- heat
- water
- pump
- circulating
- heat exchanger
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 238000010521 absorption reaction Methods 0.000 claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 7
- 239000003546 flue gas Substances 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 239000008236 heating water Substances 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 description 6
- 238000004064 recycling Methods 0.000 description 6
- 239000002918 waste heat Substances 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 235000015210 Fockea angustifolia Nutrition 0.000 description 1
- 244000186654 Fockea angustifolia Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/04—Other domestic- or space-heating systems using heat pumps
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The present invention relates to a kind of residual heat of electric power plant and clean energy resource utilization system, belong to technical field of energy utilization.The system includes Steam Turbine, condenser, absorption heat pump, indirect type air cooling tower, gas-water heat exchanger, steam water heat exchanger, vapour-heat-condutive oil heat exchanger, storage heater, trough type solar heat-collector, secondary network heat exchange station, condensate pump, water circulating pump, hot water circulating pump I, heat conduction oil circulating pump, hot water circulating pump II, circulation water regulating valve and check-valves；The present invention, using flue gas, solar energy as drive energy, is provided out 75 DEG C of heating water using electric power plant circulating water as low level heat energy using heat pump techniques, if being heated in 110 DEG C of feeding municipal heating systems it is necessary to which vapor-water heat exchanger second level can be used.The invention reduces steam turbine cold source heat loss, reduces flue gas heat release loss, using power plant's horizontal layout solar energy collecting system, is effectively utilized solar energy, forms power plant's comprehensive energy using system, improves power plant's energy thermal efficiency.
Description
Technical field
The invention belongs to technical field of energy utilization, it is related to a kind of residual heat of electric power plant and clean energy resource utilization system.
Background technique
Consistent dedusting, the desulfurization for very focusing on power-plant flue gas in power plant environment pollution harnessing, coal-fired clean processing, with
And the pollution emission standard of strict control nucleic, huge heat contained by recirculated cooling water is thrown aside in the possible negative hot shadow of environment
Ring, in addition thermal pollution harm be but easy it is ignored.
With the swift and violent expansion of city size, there is the problem of central heat source deficiency in many places in China, because heat supply is made
At urban environment and economy carrying capacity problem it is also increasingly prominent.However, a large amount of caused by large capacity, high parameter generating set
Low pressure (LP) cylinder exhausted spare heat is currently without being fully used.
Direct heating is not achieved the problem is that the temperature of recirculated water is usually relatively low in electric power plant circulating water UTILIZATION OF VESIDUAL HEAT IN
Grade requirement need to try to properly increase temperature, and there are two adoptable methods: first is that reducing exhaust casing vacuum, improve steam exhaust temperature
Degree, i.e., usually said Steam Turbine low-vacuum-operating；Second is that being drawn using electric power plant circulating water as low level heat energy using heat pump techniques
Wherein waste heat realizes heat supply.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of residual heat of electric power plant and clean energy resource utilization system.
In order to achieve the above objectives, the invention provides the following technical scheme:
A kind of residual heat of electric power plant and clean energy resource utilization system, the system include Steam Turbine (1), condenser (2), inhale
Receipts formula heat pump (3), indirect type air cooling tower (4), gas-water heat exchanger (5), steam water heat exchanger (6), vapour-heat-condutive oil heat exchanger
(7), storage heater (8), trough type solar heat-collector (9), secondary network heat exchange station (10), condensate pump (11), water circulating pump (12),
Hot water circulating pump I (13), heat conduction oil circulating pump (14), hot water circulating pump II (15), circulation water regulating valve (16) and check-valves
(18)；
The Steam Turbine (1) connect by blow-off line with condenser (2), condenser (2) pass through condensing water conduit and
Condensate pump (11) connection, the condenser (2) are connect by circulating water pipeline with indirect type air cooling tower (4)；
The circulating water pipeline is sequentially connected water circulating pump (12), indirect type air cooling tower (4), condenser (2) and absorption
The interface one of heat pump (3) forms recirculated water closed loop；
The gas-water heat exchanger (5) is bidirectionally connected to the interface two of absorption heat pump (3) by circulating hot water pipeline,
And hot water circulating pump II (15) are set on circulating hot water pipeline and are used to introduce hot water to absorption heat pump (3)；
The interface three of the absorption heat pump (3) by with circulating heat conduction oil-piping successively with heat conduction oil circulating pump (14),
Trough type solar heat-collector (9), storage heater (8) and vapour-heat-condutive oil heat exchanger (7) connection, form circulating heat conduction oil closed loop；
Circulating water pipeline setting circulation water regulating valve (16) between condenser (2) and absorption heat pump (3), being used for will
Recirculated water introduces the interface four of absorption heat pump (3)；From the interface four of absorption heat pump (3) come out after, pass through circulating hot water pipe
Road successively connects hot water circulating pump I (13), steam water heat exchanger (6), secondary network heat exchange station (10) and check-valves (18),
And it is connected between water circulating pump (12) and indirect type air cooling tower (4)；
Wherein, the input terminal of steam water heat exchanger (6) is also connect with the jet chimney of outer confession；Secondary network heat exchange station (10) is also
It is connect with the secondary heat supply network of outer confession.
Further, the jet chimney of the outer confession is equipped with steam control valve (17) for adjusting steam flow, to adjust
The heat exchange amount of vapor-water heat exchanger.
Further, the system also includes cuttings valve group (21), are arranged between condenser (2) and water circulating pump (12),
For cutting off or opening circulating water pipeline.
Further, bypass valve I is equipped between the trough type solar heat-collector (9) and vapour-heat-condutive oil heat exchanger (7)
(19), the parallel pipeline of vapour-heat-condutive oil heat exchanger (7) is equipped with bypass valve II (20).
Further, the trough type solar heat-collector (9) is arranged at the top of power station vacant lot or workshop.
The beneficial effects of the present invention are: the present invention uses heat pump techniques, using electric power plant circulating water as low level heat energy, with cigarette
Gas, solar energy are provided out 75 DEG C of heating water as drive energy, if being heated to it is necessary to which vapor-water heat exchanger second level can be used
In 110 DEG C of feeding municipal heating systems.The invention reduces steam turbine cold source heat loss, reduces flue gas heat release loss, flat using power plant
Solar energy collecting system is arranged in face, is effectively utilized solar energy, is formd power plant's comprehensive energy using system, is greatly improved electricity
Factory's energy thermal efficiency.
Detailed description of the invention
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out
Illustrate:
Fig. 1 is that the intermediate recycling of air cooling unit circulating water afterheat indirectly, flue gas waste heat recovery and solar energy heating recycling are
System schematic diagram；
Appended drawing reference: 1- Steam Turbine, 2- condenser, 3- absorption heat pump, 4- indirect type air cooling tower, 5- gas-water change
Hot device, 6- steam water heat exchanger, 7- vapour-heat-condutive oil heat exchanger, 8- storage heater, 9- trough type solar heat-collector, 10- secondary network change
Heat stations, 11- condensate pump, 12- water circulating pump, 13- hot water circulating pump I, 14- heat conduction oil circulating pump, 15- hot water circulating pump II,
16- recycles water regulating valve, 17- steam control valve, 18- check-valves, 19- bypass valve I, 20- bypass valve II, 21- stop valve.
Specific embodiment
Below in conjunction with attached drawing, a preferred embodiment of the present invention will be described in detail.
Fig. 1 is that the intermediate recycling of air cooling unit circulating water afterheat indirectly, flue gas waste heat recovery and solar energy heating recycling are
System schematic diagram, the indirect cooling surface formula condenser system are Harmon system.Recirculated cooling water referring to Fig. 1, in the present embodiment
Waste heat recycling, flue gas waste heat recovery and solar energy heating recovery system include Steam Turbine 1, condenser 2, absorption heat pump 3,
Connect formula air cooling tower 4, gas-water heat exchanger 5, steam water heat exchanger 6, vapour-heat-condutive oil heat exchanger 7, storage heater 8, groove type solar collection
Hot device 9, secondary network heat exchange station 10, condensate pump 11, water circulating pump 12, hot water circulating pump 13, heat conduction oil circulating pump 14, hot water follows
Ring pump 15, recycles water regulating valve 16, steam control valve 17, check-valves 18, bypass valve I 19, bypass valve II 20, stop valve 21.
In the present embodiment, steam turbine unit 1 is connect by blow-off line with condenser 2, condenser 2 and indirect type air cooling tower 4
Between connected by high/low temperature circulating water pipeline, absorption heat pump 3 passes through high/low temperature circulating water pipeline and condenser 2 and indirect type
Air cooling tower 4 connects, and absorption heat pump 3 is connect by circulating water pipeline with cigarette water- to-water heat exchanger 5, and absorption heat pump 3 is led by circulation
Hot oil pipeline and trough type solar heat-collector 9, storage heater 8, vapour-heat-condutive oil heat exchanger 7, heat conduction oil circulating pump 14, bypass valve I19
With the connection of bypass valve II 20, absorption heat pump 3 is connect by circulating hot water pipeline with vapor-water heat exchanger 6, and vapor-water heat exchanger 6 is logical
It crosses circulating hot water pipeline to connect with secondary network heat exchange station 10, secondary network heat exchange station 10 passes through hot water return pipe and recirculated water return pipe
Road connection.
The recycling of this system waste heat is unfolded around absorption heat pump 3, and absorption heat pump 3 is extracted from 2 part recirculated water of condenser
Low temperature exhaust heat extracts high temperature of the high-temperature residual heat as heat pump as low-temperature heat source, by gas-water heat exchanger 5 from boiler exhaust gas
One of heat source recycles high temperature heat source one of of the solar energy as heat pump by groove type solar collecting part.2 part of condenser is followed
The water outlet of ring water enters absorption heat pump 3, and as 3 cooling water of absorption heat pump, outer supplying hot water, outer supplying hot water root are used as after being heated
Temperature adjusting can be carried out by steam water heat exchanger 6 according to workload demand, hot water enters indirect after exchanging heat by secondary network heat exchange station 10
Formula air cooling tower 4 recycles.
This system solar energy clean energy resource recovery section: groove type solar thermal-arrest is set in power station vacant lot, workshop top etc.
Device 9, as a heat transfer medium with conduction oil, mating storage heater 8 and vapour-heat-condutive oil heat exchanger 7, formation can be provided to heat pump system
The solar energy recovery system of high temperature heat source.
Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention and not to limit it, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (5)
1. a kind of residual heat of electric power plant and clean energy resource utilization system, it is characterised in that: the system includes Steam Turbine (1), coagulates
Vapour device (2), absorption heat pump (3), indirect type air cooling tower (4), gas-water heat exchanger (5), steam water heat exchanger (6), vapour-are thermally conductive
Oil heat exchanger (7), storage heater (8), trough type solar heat-collector (9), secondary network heat exchange station (10), condensate pump (11), circulation
Water pump (12), hot water circulating pump I (13), heat conduction oil circulating pump (14), hot water circulating pump II (15), circulation water regulating valve (16) and
Check-valves (18)；
The Steam Turbine (1) is connect by blow-off line with condenser (2), and condenser (2) passes through condensing water conduit and condensation
Water pump (11) connection, the condenser (2) are connect by circulating water pipeline with indirect type air cooling tower (4)；
The circulating water pipeline is sequentially connected water circulating pump (12), indirect type air cooling tower (4), condenser (2) and absorption heat pump
(3) interface one forms recirculated water closed loop；
The gas-water heat exchanger (5) is bidirectionally connected to the interface two of absorption heat pump (3) by circulating hot water pipeline, and
Hot water circulating pump II (15) are arranged on circulating hot water pipeline to be used to introduce hot water to absorption heat pump (3)；
The interface three of the absorption heat pump (3) by with circulating heat conduction oil-piping successively with heat conduction oil circulating pump (14), slot type
Solar thermal collector (9), storage heater (8) and vapour-heat-condutive oil heat exchanger (7) connection, form circulating heat conduction oil closed loop；
Circulating water pipeline setting circulation water regulating valve (16) between condenser (2) and absorption heat pump (3), for that will recycle
Water introduces the interface four of absorption heat pump (3)；From the interface four of absorption heat pump (3) come out after, by circulating hot water pipeline according to
It is secondary to connect hot water circulating pump I (13), steam water heat exchanger (6), secondary network heat exchange station (10) and check-valves (18), and connect
To between water circulating pump (12) and indirect type air cooling tower (4)；
Wherein, the input terminal of steam water heat exchanger (6) is also connect with the jet chimney of outer confession；Secondary network heat exchange station (10) is also and outside
The secondary heat supply network connection supplied.
2. a kind of residual heat of electric power plant according to claim 1 and clean energy resource utilization system, it is characterised in that: described outer
The jet chimney of confession is equipped with steam control valve (17) for adjusting steam flow, to adjust the heat exchange amount of vapor-water heat exchanger.
3. a kind of residual heat of electric power plant according to claim 1 and clean energy resource utilization system, it is characterised in that: the system
System further includes cutting valve group (21), is arranged between condenser (2) and water circulating pump (12), for cutting off or opening recirculated water
Pipeline.
4. a kind of residual heat of electric power plant according to claim 3 and clean energy resource utilization system, it is characterised in that: the slot
Bypass valve I (19) are equipped between formula solar thermal collector (9) and vapour-heat-condutive oil heat exchanger (7), vapour-heat-condutive oil heat exchanger (7)
Parallel pipeline is equipped with bypass valve II (20).
5. a kind of residual heat of electric power plant according to claim 1 and clean energy resource utilization system, it is characterised in that: the slot
Formula solar thermal collector (9) is arranged at the top of power station vacant lot or workshop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811270319.0A CN109210969A (en) | 2018-10-29 | 2018-10-29 | A kind of residual heat of electric power plant and clean energy resource utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811270319.0A CN109210969A (en) | 2018-10-29 | 2018-10-29 | A kind of residual heat of electric power plant and clean energy resource utilization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109210969A true CN109210969A (en) | 2019-01-15 |
Family
ID=64997784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811270319.0A Pending CN109210969A (en) | 2018-10-29 | 2018-10-29 | A kind of residual heat of electric power plant and clean energy resource utilization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109210969A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834118A (en) * | 2021-09-18 | 2021-12-24 | 西安热工研究院有限公司 | Heating system based on Fresnel solar energy and combined cycle unit waste heat utilization |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181044Y (en) * | 2008-02-28 | 2009-01-14 | 清华大学 | Large-temperature difference central heating unit |
| CN103017349A (en) * | 2012-12-16 | 2013-04-03 | 河北建投国融能源服务股份有限公司 | Heat utilization system and method for realizing combination of solar photothermal technique and thermal power plant |
| CN203671715U (en) * | 2013-12-31 | 2014-06-25 | 中机国能电力工程有限公司 | Heat supply origin station system adopting heat gain type heat pump technology |
| CN204026710U (en) * | 2014-02-20 | 2014-12-17 | 中国能源建设集团山西省电力勘测设计院 | Flue gas heat-exchange unit water-driven heat pump utilizes exhausted spare heat and heat-setting water system |
| CN205783992U (en) * | 2016-05-19 | 2016-12-07 | 华电电力科学研究院 | A kind of energy conserving system utilizing heat pump heat smoke again |
| WO2018045707A1 (en) * | 2016-09-06 | 2018-03-15 | 大唐环境产业集团股份有限公司 | Water treatment device and method using waste heat from power plant |
| CN209116822U (en) * | 2018-10-29 | 2019-07-16 | 重庆赛迪热工环保工程技术有限公司 | A kind of residual heat of electric power plant and clean energy resource utilization system |
-
2018
- 2018-10-29 CN CN201811270319.0A patent/CN109210969A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181044Y (en) * | 2008-02-28 | 2009-01-14 | 清华大学 | Large-temperature difference central heating unit |
| CN103017349A (en) * | 2012-12-16 | 2013-04-03 | 河北建投国融能源服务股份有限公司 | Heat utilization system and method for realizing combination of solar photothermal technique and thermal power plant |
| CN203671715U (en) * | 2013-12-31 | 2014-06-25 | 中机国能电力工程有限公司 | Heat supply origin station system adopting heat gain type heat pump technology |
| CN204026710U (en) * | 2014-02-20 | 2014-12-17 | 中国能源建设集团山西省电力勘测设计院 | Flue gas heat-exchange unit water-driven heat pump utilizes exhausted spare heat and heat-setting water system |
| CN205783992U (en) * | 2016-05-19 | 2016-12-07 | 华电电力科学研究院 | A kind of energy conserving system utilizing heat pump heat smoke again |
| WO2018045707A1 (en) * | 2016-09-06 | 2018-03-15 | 大唐环境产业集团股份有限公司 | Water treatment device and method using waste heat from power plant |
| CN209116822U (en) * | 2018-10-29 | 2019-07-16 | 重庆赛迪热工环保工程技术有限公司 | A kind of residual heat of electric power plant and clean energy resource utilization system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834118A (en) * | 2021-09-18 | 2021-12-24 | 西安热工研究院有限公司 | Heating system based on Fresnel solar energy and combined cycle unit waste heat utilization |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190115 |
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| RJ01 | Rejection of invention patent application after publication |