CN110056900A - A kind of GTCC power plant starting trouble afterheat utilizing system - Google Patents
A kind of GTCC power plant starting trouble afterheat utilizing system Download PDFInfo
- Publication number
- CN110056900A CN110056900A CN201910292954.7A CN201910292954A CN110056900A CN 110056900 A CN110056900 A CN 110056900A CN 201910292954 A CN201910292954 A CN 201910292954A CN 110056900 A CN110056900 A CN 110056900A
- Authority
- CN
- China
- Prior art keywords
- heat medium
- medium water
- starting trouble
- heat
- exchanger channels
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000003345 natural gas Substances 0.000 claims abstract description 36
- 239000002918 waste heat Substances 0.000 claims abstract description 25
- 239000008236 heating water Substances 0.000 claims abstract description 23
- 239000000779 smoke Substances 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 6
- 239000013589 supplement Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 239000000446 fuel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
- F02C7/224—Heating fuel before feeding to the burner
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/02—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways
- F22D1/04—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways the tubes having plain outer surfaces, e.g. in vertical arrangement
- F22D1/06—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways the tubes having plain outer surfaces, e.g. in vertical arrangement in horizontal arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G7/00—Steam superheaters characterised by location, arrangement, or disposition
- F22G7/12—Steam superheaters characterised by location, arrangement, or disposition in flues
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H8/00—Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
-
- 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]
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
Superheater, boiler economizer, the waste heat economizer being sequentially arranged along smoke evacuation direction are equipped with the invention discloses a kind of GTCC power plant starting trouble afterheat utilizing system, in starting trouble smoke exhaust mechanism;The heat medium water loop head of heating water tank is connected to first heat medium water heat exchanger channels one end;Second heat medium water heat exchanger channels both ends of heated by natural gas device are connected to respectively with the heat medium water loop exit of heating water tank and the connection of the first heat medium water heat exchanger channels.Pass through the GTCC power plant starting trouble afterheat utilizing system of above-mentioned optimization design, utilize heat medium water needed for starting trouble back-end ductwork waste-heat heated by natural gas device, and auxiliary a small amount of starting trouble superheated steam has saved energy consumption while having ensured combustion engine system safe and highly efficient operation;The use for reducing GOOD TASTE thermal energy starting trouble superheated steam, realizes the cascade utilization of the energy;And this regulative mode increases the regulating measure of heated by natural gas and has widened adjustable range.
Description
Technical field
The present invention relates to boiler afterheats to utilize field more particularly to a kind of GTCC power plant starting trouble afterheat utilizing system.
Background technique
Natural gas temperature has larger impact, while natural temperature for the burning of gas turbine and combustion chamber dynamic characteristic
Degree is also used for fuel and calculates fuel flow rate and fuel analysis, guarantees that reasonable natural gas intake air temperature is most important.Minimum day
Right temperature degree is higher than the dew point of hydrocarbon, and hydrocarbon is avoided to liquefy.Gaseous fuel supplying temperature at least keeps high
In 28 DEG C of the degree of superheat of hydrocarbon dew point, whenever cannot there are liquid hydrocarbon and water in gaseous fuel.In order to
The requirement for meeting natural gas temperature, in unit ignition into full speed idle operation, there are two main classes for the control of natural gas temperature, and one
Class is heated by electric heater, and another kind of is to utilize starting trouble superheated steam Hybrid Heating heat medium water, then change by air-water
Hot device heat exchange is to realize.The unit normal on-load stage can pass through the fume afterheat heated natural gas of waste heat boiler tail portion.Electricity adds
Hot device is controlled frequently with the temperature difference, i.e., heater outlet natural gas temperature and inlet temperature difference are less than certain value, electric heater one
Straight starting, stops working after difference reaches certain value, in addition, heater is certainly when heater outlet natural gas temperature is excessively high
Dynamic tripping, prevents heater body natural gas hot-spot to be carbonized.
Existing GTCC power plant day Hot gas heating systems heat natural in the unit starting stage frequently with Electric heating
Gas, energy consumption is huge, and be easy to cause hot-spot, natural gas carbonization;And it is equipped with the GTCC power plant of starting trouble, often utilize starting
The superheated steam that boiler generates usually only requires heat to 40-60 DEG C by heat exchange natural gas, natural gas, high temperature and pressure
Superheated steam is lower for heated natural gas economy.
Summary of the invention
To solve technical problem present in background technique, the present invention proposes a kind of GTCC power plant starting trouble UTILIZATION OF VESIDUAL HEAT IN
System.
A kind of GTCC power plant starting trouble afterheat utilizing system proposed by the present invention, comprising: starting trouble burner hearth and tail portion
Flue, heating water tank, heated by natural gas device;
It is equipped with discharge flue in starting trouble burner hearth and back-end ductwork, is equipped in the discharge flue along smoke evacuation direction successively
Superheater, boiler economizer, the waste heat economizer of arrangement, the waste heat economizer is interior to be equipped with the first heat medium water heat exchanger channels;
Heating water tank is equipped with heat medium water loop head and heat medium water loop exit, and the heat medium water loop head passes through pipe
Road is connected to first heat medium water heat exchanger channels one end;
Heated by natural gas device is equipped with the second heat medium water heat exchanger channels, described second heat medium water heat exchanger channels one end and heating
The heat medium water loop exit of water tank is connected to, and the other end passes through pipeline and the first heat medium water heat exchanger channels far from heating water tank
One end connection.
Preferably, the pipeline between the heat medium water loop head and the first heat medium water heat exchanger channels is equipped with booster.
Preferably, superheated steam entrance is additionally provided in heating water tank.
Preferably, spray head is equipped in heating water tank, the spray head is connected to the heat medium water loop head.
Preferably, the pipeline between the second heat medium water heat exchanger channels and the first heat medium water heat exchanger channels is equipped with
Water supplement port.
Preferably, the structure of waste heat economizer is finned using helix fin formula, light pipe type or H.
Preferably, the outlet side of the discharge flue is equipped with chimney.
In the present invention, the GTCC power plant starting trouble afterheat utilizing system proposed, starting trouble burner hearth and back-end ductwork
Discharge flue in be equipped with along smoke evacuation the direction superheater, boiler economizer, the waste heat economizer that are sequentially arranged, the waste heat saves coal
The first heat medium water heat exchanger channels are equipped in device;The heat medium water loop head of heating water tank and first heat medium water heat exchanger channels one end connect
It is logical;Second heat medium water heat exchanger channels both ends of heated by natural gas device be connected to respectively with the heat medium water loop exit of heating water tank and
The connection of first heat medium water heat exchanger channels.By the GTCC power plant starting trouble afterheat utilizing system of above-mentioned optimization design, using opening
Heat medium water needed for dynamic boiler back end ductwork waste-heat heated by natural gas device, and auxiliary a small amount of starting trouble is overheated and is steamed
Vapour has reached the requirement of heated by natural gas to specific temperature, while having ensured combustion engine system safe and highly efficient operation, saves
Energy consumption;The use for reducing GOOD TASTE thermal energy starting trouble superheated steam, realizes the cascade utilization of the energy;And it is this
Regulative mode increases the regulating measure of heated by natural gas and has widened adjustable range.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of GTCC power plant starting trouble afterheat utilizing system proposed by the present invention.
Specific embodiment
As shown in FIG. 1, FIG. 1 is a kind of structural representations of GTCC power plant starting trouble afterheat utilizing system proposed by the present invention
Figure.
Referring to Fig.1, a kind of GTCC power plant starting trouble afterheat utilizing system proposed by the present invention, comprising: starting trouble row
Smoke machine structure 13, heating water tank 8, heated by natural gas device 15;
It is equipped with discharge flue 12 in starting trouble smoke exhaust mechanism 13, is equipped in the discharge flue 12 along smoke evacuation direction successively
Superheater 11, boiler economizer 5, the waste heat economizer 4 of arrangement, the waste heat economizer 4 are interior logical equipped with the heat exchange of the first heat medium water
Road;
Heating water tank 8 is equipped with heat medium water loop head and heat medium water loop exit, and the heat medium water loop head passes through
Pipeline is connected to first heat medium water heat exchanger channels one end;
Heated by natural gas device 15 be equipped with the second heat medium water heat exchanger channels, described second heat medium water heat exchanger channels one end with plus
The heat medium water loop exit of boiler 8 is connected to, and the other end by pipeline and implements the first heat medium water heat exchanger channels far from heating
The connection of 8 one end of water tank.
In the specific work process of the GTCC power plant starting trouble afterheat utilizing system of the present embodiment, when starting trouble burns
The flue gas of formation enters in smoke exhaust mechanism, flows through waste heat province after superheater, boiler economizer heat exchange in discharge flue
Coal device is discharged into atmosphere after further being cooled down by waste heat economizer;Heated by natural gas device utilizes heating agent by air-water heat exchange
Water heated natural gas, the heat medium water for having heated natural gas are saved by the waste heat that heated by natural gas device flows back into discharge flue
Coal device, after heat medium water is heated in waste heat economizer by flue gas again, by waste heat economizer by heat medium water loop head into
Enter heating water tank to be mixed, mixed heat medium water enters heated by natural gas device heated natural gas, completes a circulation.
In the present embodiment, the GTCC power plant starting trouble afterheat utilizing system proposed, starting trouble smoke exhaust mechanism
Superheater, boiler economizer, the waste heat economizer being sequentially arranged along smoke evacuation direction, the waste heat economizer are equipped in discharge flue
Inside it is equipped with the first heat medium water heat exchanger channels;The heat medium water loop head of heating water tank and first heat medium water heat exchanger channels one end connect
It is logical;Second heat medium water heat exchanger channels both ends of heated by natural gas device be connected to respectively with the heat medium water loop exit of heating water tank and
The connection of first heat medium water heat exchanger channels.By the GTCC power plant starting trouble afterheat utilizing system of above-mentioned optimization design, using opening
Heat medium water needed for dynamic boiler back end ductwork waste-heat heated by natural gas device, and auxiliary a small amount of starting trouble is overheated and is steamed
Vapour has reached the requirement of heated by natural gas to specific temperature, while having ensured combustion engine system safe and highly efficient operation, saves
Energy consumption;The use for reducing GOOD TASTE thermal energy starting trouble superheated steam, realizes the cascade utilization of the energy;And it is this
Regulative mode increases the regulating measure of heated by natural gas and has widened adjustable range.
In a specific embodiment, it is set on the pipeline between the heat medium water loop head and the first heat medium water heat exchanger channels
There is booster 9, is pressurizeed by booster to the heat medium water entered in the second heat medium water heat exchanger channels.
In other specific embodiments, superheated steam entrance 7 is additionally provided in heating water tank 8;When heating agent coolant-temperature gage cannot
Meet when heated by natural gas is arrived assigned temperature, a small amount of starting trouble overheat is passed through into heating water tank by superheated steam entrance
Steam, superheated steam can enter heating water tank and heat medium water mixing, to meet the needs of heat, improve utilization rate of waste heat.
In order to improve, spray head is equipped in heating water tank 8, the spray head is connected to the heat medium water loop head;From
And enhance mixing of the heat medium water in heating water tank.
In order to supplement the loss of heat medium water in the circulating cycle, the second heat medium water heat exchanger channels are changed with first heat medium water
Pipeline between the passage of heat is equipped with water supplement port 2, the moisturizing into circulation waterway by water supplement port.
In the specific choice mode of waste heat economizer, the structure of waste heat economizer 4 using helix fin formula, light pipe type or
H is finned.
In the specific design method of smoke exhaust mechanism, the outlet side of the discharge flue 12 is equipped with chimney 3, passes through row
Cigarette chimney is convenient for the tail gas to cool down through heat exchange discharge.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of GTCC power plant starting trouble afterheat utilizing system characterized by comprising starting trouble smoke exhaust mechanism (13),
Heating water tank (8), heated by natural gas device (15);
Discharge flue (12) are equipped in starting trouble smoke exhaust mechanism (13), be equipped in the discharge flue (12) along smoke evacuation direction according to
Superheater (11), boiler economizer (5), the waste heat economizer (4) of secondary arrangement, the waste heat economizer (4) is interior to be equipped with the first heat
Matchmaker's water heat exchanger channels;
Heating water tank (8) is equipped with heat medium water loop head and heat medium water loop exit, and the heat medium water loop head passes through pipe
Road is connected to first heat medium water heat exchanger channels one end;
Heated by natural gas device (15) is equipped with the second heat medium water heat exchanger channels, described second heat medium water heat exchanger channels one end and heating
The heat medium water loop exit of water tank (8) is connected to, and the other end passes through pipeline and the separate heating of the first heat medium water heat exchanger channels
The connection of water tank (8) one end.
2. GTCC power plant starting trouble afterheat utilizing system according to claim 1, which is characterized in that the heat medium water follows
Pipeline between ring entrance and the first heat medium water heat exchanger channels is equipped with booster (9).
3. GTCC power plant starting trouble afterheat utilizing system according to claim 1, which is characterized in that heating water tank (8)
On be additionally provided with superheated steam entrance (7).
4. GTCC power plant starting trouble afterheat utilizing system according to claim 1 or 3, which is characterized in that heating water tank
(8) spray head is equipped in, the spray head is connected to the heat medium water loop head.
5. GTCC power plant starting trouble afterheat utilizing system according to claim 1, which is characterized in that second heating agent
Pipeline between water heat exchanger channels and the first heat medium water heat exchanger channels is equipped with water supplement port (2).
6. GTCC power plant starting trouble afterheat utilizing system according to claim 1, which is characterized in that waste heat economizer
(4) structure is finned using helix fin formula, light pipe type or H.
7. GTCC power plant starting trouble afterheat utilizing system according to claim 1, which is characterized in that the discharge flue
(12) outlet side is equipped with chimney (3).
Priority Applications (1)
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CN201910292954.7A CN110056900A (en) | 2019-04-12 | 2019-04-12 | A kind of GTCC power plant starting trouble afterheat utilizing system |
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CN201910292954.7A CN110056900A (en) | 2019-04-12 | 2019-04-12 | A kind of GTCC power plant starting trouble afterheat utilizing system |
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CN110056900A true CN110056900A (en) | 2019-07-26 |
Family
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CN201910292954.7A Pending CN110056900A (en) | 2019-04-12 | 2019-04-12 | A kind of GTCC power plant starting trouble afterheat utilizing system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110513165A (en) * | 2019-09-04 | 2019-11-29 | 深圳万润节能有限公司 | A kind of cold, heat and electricity triple supply distributed energy resource system |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102305413A (en) * | 2011-07-28 | 2012-01-04 | 中国电力工程顾问集团西南电力设计院 | Exhaust gas waste heat recovery and emission reduction comprehensive application system for coal-fired boiler in thermal power plant |
CN203731368U (en) * | 2013-12-31 | 2014-07-23 | 华电电力科学研究院 | Device for deep recovery of smoke discharge waste heat of waste heat boiler |
CN105889897A (en) * | 2016-01-29 | 2016-08-24 | 中国电力工程顾问集团西北电力设计院有限公司 | Comprehensive recycling system and method of waste heat in thermal power plant |
CN206320726U (en) * | 2016-12-16 | 2017-07-11 | 东方电气集团东方锅炉股份有限公司 | A kind of thermal power plant's tail flue gas afterheat utilizing system coupled based on machine stove depth |
CN107120636A (en) * | 2017-05-22 | 2017-09-01 | 大唐(北京)能源管理有限公司 | A kind of coal fired power plant low temperature exhaust heat deep exploitation system |
CN209876968U (en) * | 2019-04-12 | 2019-12-31 | 中国大唐集团科学技术研究院有限公司华东电力试验研究院 | Waste heat utilization system for starting boiler of gas turbine power plant |
-
2019
- 2019-04-12 CN CN201910292954.7A patent/CN110056900A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102305413A (en) * | 2011-07-28 | 2012-01-04 | 中国电力工程顾问集团西南电力设计院 | Exhaust gas waste heat recovery and emission reduction comprehensive application system for coal-fired boiler in thermal power plant |
CN203731368U (en) * | 2013-12-31 | 2014-07-23 | 华电电力科学研究院 | Device for deep recovery of smoke discharge waste heat of waste heat boiler |
CN105889897A (en) * | 2016-01-29 | 2016-08-24 | 中国电力工程顾问集团西北电力设计院有限公司 | Comprehensive recycling system and method of waste heat in thermal power plant |
CN206320726U (en) * | 2016-12-16 | 2017-07-11 | 东方电气集团东方锅炉股份有限公司 | A kind of thermal power plant's tail flue gas afterheat utilizing system coupled based on machine stove depth |
CN107120636A (en) * | 2017-05-22 | 2017-09-01 | 大唐(北京)能源管理有限公司 | A kind of coal fired power plant low temperature exhaust heat deep exploitation system |
CN209876968U (en) * | 2019-04-12 | 2019-12-31 | 中国大唐集团科学技术研究院有限公司华东电力试验研究院 | Waste heat utilization system for starting boiler of gas turbine power plant |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110513165A (en) * | 2019-09-04 | 2019-11-29 | 深圳万润节能有限公司 | A kind of cold, heat and electricity triple supply distributed energy resource system |
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