CN103673389B - Based on the cold-hot combined supply system of heat engine - Google Patents
Based on the cold-hot combined supply system of heat engine Download PDFInfo
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- CN103673389B CN103673389B CN201310656878.6A CN201310656878A CN103673389B CN 103673389 B CN103673389 B CN 103673389B CN 201310656878 A CN201310656878 A CN 201310656878A CN 103673389 B CN103673389 B CN 103673389B
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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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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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The present invention discloses a kind of cold-hot combined supply system based on heat engine, comprises heat engine, generating set, heat recovery heat exchanger, operating mode switching valve, hot water heat exchanger, absorption refrigeration unit, HVAC; The shaft work output terminal of heat engine is connected with generating set, and the power output end of generating set is connected with the input terminus of HVAC; The waste heat output terminal of heat engine is connected with heat recovery heat exchanger, and heat recovery heat exchanger is connected with one end of operating mode switching valve; The other end of operating mode switching valve is optionally connected with in hot water heat exchanger with absorption refrigeration unit; Absorption refrigeration unit is connected with user with HVAC, for meeting the refrigeration duty of user; Hot water heat exchanger is connected with user with HVAC, for meeting the thermal load of user. The system energy output of the present invention, completely towards thermal load and refrigeration duty, does not relate to electricity load, thus can realize control and the operation of system more simply and effectively.
Description
Technical field
The present invention relates to building energy supply field, particularly relate to a kind of cold-hot combined supply system based on heat engine.
Background technology
In developed country, the building energy consumption of 50% derives from hvac equipment. Along with the quick propelling of China's urbanization rate and the raising of Living consumption, architectural energy consumption is also in obvious lifting. Especially at winter and summer, building heating and cooling bring huge energy consumption, cause the seasonal fluctuation of regional power supply on the one hand, add pressure for power plant produces with dispatching of power netwoks, add coal consumption on the other hand, cause environmental pollution. In addition, China various places severe power shortage in recent years and draw casket to ration the power supply to happen occasionally, one of them important factor be exactly winter or summer power load higher. If the air conditioner load in winter and summer can be separated from electrical network, then can effectively alleviate the seasonal fluctuation of electricity needs, reduce the pollution of coal-burning power plant.
By air conditioner load from effective thinking that electrical network is separated be promote distributed energy supply. Wherein most widely used with the co-generation system based on gas internal-combustion engine, technology is the most ripe. General distributed energy supply is all based on relatively clean fuel such as Sweet natural gases. Solved the energy supply problem of zone user by distributed energy supply, it is possible to alleviate electrical network pressure, reduce coal consumption. By existing patented technology is retrieved, it has been found that there are two class technology can realize being separated air conditioner load from electrical network.
Application number is that to disclose a kind of compact internal combustion engine supply of cooling, heating and electrical powers modularization integrated system be the cooling heating and power generation system of representative for the Chinese invention patent application of CN201120012538.6. Such cooling heating and power generation system at least comprises heat engine, heat recovery heat exchanger, lithiumbromide absorption machine. General thinking is after the waste heat of heat engine is recovered, in order to drive absorption refrigeration hot standby or directly heat in winter in summer; To drive, generator generates electricity the function that heat engine produces, in order to meet custom power demand. Such system efficiency height, function are complete, but its high efficiency needs to be ensured by optimizing integrated and optimizing operation. And electricity load and heat (cold) load often have certain fluctuation separately, this makes system realize thermoelectricity two and face in all directions the optimal control problem of more complicated. Further, the generating efficiency of cogeneration cooling heating system is not high, and the high efficiency of system entirety is effectively to have recycled system waste heat. In transition season, when user does not have heat (cold) demand, the operation of cogeneration cooling heating system will lose economy and energy saving.
Application number is that the Chinese invention patent application of CN200610155965.3 discloses a kind of gas-fired heat pump air conditioner and progress control method is the gas air conditioner heat pump of representative. This type systematic at least comprises the equipment such as gas engine, compressor, and its general feature is gas engine acting direct driving compressor machine running, it is achieved the compression cycle of heat pump fluid. This kind of system consumption fuel, complete quantity of heat given up and cold. Engine exhaust heat can also reclaim simultaneously be used to improve system efficiency. But it is not the compressor of this kind of system is directly by engine driven, compatible with existing electric drive HVAC, the original HVAC system of building must be removed when application. This makes this kind of technology be difficult to be promoted in the distant situation of advantage.
In addition, tradition building co-feeding system mainly cogeneration or supply of cooling, heating and electrical powers, it is intended to meet electricity needs and heat (cold) demand of user; But because electric power load and heat (cold) load are not often synchronous changes, cause the control problem in system actual motion complicated.
Therefore, the technician of this area is devoted to a kind of cold-hot combined supply system for the purpose of cold output and heat export based on heat engine of exploitation, and the energy output of system is only towards heat or the refrigeration requirement of user, and system is simple, compatibility height.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide a kind of cold-hot combined supply system for the purpose of cold output and heat export based on heat engine, can while simplified system controls, have more the burden solving seasonal air conditioner load pointedly and being caused by electrical network, reduce the pollution of coal-burning power plant.
For achieving the above object, the present invention provides a kind of cold-hot combined supply system based on heat engine, comprises heat engine, generating set, heat recovery heat exchanger, operating mode switching valve, hot water heat exchanger, absorption refrigeration unit, HVAC; The shaft work output terminal of heat engine is connected with generating set, and the power output end of generating set is connected with the input terminus of HVAC; The waste heat output terminal of heat engine is connected with heat recovery heat exchanger, and heat recovery heat exchanger is connected with one end of operating mode switching valve; The other end of operating mode switching valve is optionally connected with in hot water heat exchanger with absorption refrigeration unit; Absorption refrigeration unit is connected with user with HVAC, for meeting the refrigeration duty of user; Hot water heat exchanger is connected with user with HVAC, for meeting the thermal load of user.
Wherein, HVAC(Heating, Ventilation, Air-conditioningandCooling) refer to air conditioning system, it is the Controlling System comprising temperature, humidity, air cleaning degree and air circulation.
Wherein, shaft work refers to that system is by machine shaft and the extraneous merit transmitted.
Further, operating mode switching valve is T-valve, and the first port of operating mode switching valve is connected with heat recovery heat exchanger, and the Two-port netwerk of operating mode switching valve is connected with absorption refrigeration unit, and the 3rd port of operating mode switching valve is connected with hot water heat exchanger.
Further, heat engine is any one in gas internal-combustion engine, internal combustion turbine, miniature gas turbine or Stirling machine.
Further, HVAC is any one in HVAC refrigeration air-conditioner, ventilation dehumidification equipment or electric drive heat pump, and HVAC is used for optionally realizing cold and exports or heat output.
Can selection of land, HVAC is the combination of any two in HVAC refrigeration air-conditioner, ventilation dehumidification equipment and electric drive heat pump, or the combination of three, HVAC be used for optionally realize cold export or heat export.
Further, refrigeration duty is exported by the cold of HVAC and the cold output of absorption refrigeration unit meets simultaneously, the energy output path of system comprises: the cold output �� general refrigeration ability of fuel energy input �� shaft work output �� electric power output �� HVAC exports, and the cold output �� general refrigeration ability of the thermal source �� absorption refrigeration unit of fuel energy input �� waste heat output �� hot water output �� absorption refrigeration unit exports.
Further, thermal load is exported by the heat of HVAC and the heat output of hot water heat exchanger meets simultaneously, the energy output path of system comprises: the heat output �� total heat of fuel energy input �� shaft work output �� electric power output �� HVAC exports, and the heat output �� total heat of the thermal source �� hot water heat exchanger of fuel energy input �� waste heat output �� hot water output �� hot water heat exchanger exports.
Further, the energy output size of system is regulated by the part load ratio of heat engine and realizes.
Further, the input terminus of HVAC is also connected with city's electricity electric energy.
Further, city's electricity electric energy is that HVAC is powered, and refrigeration duty is exported by the cold of HVAC and meets, and the energy output path of system is: the cold output �� general refrigeration ability of city's electricity electric energy �� HVAC exports.
Further, city's electricity electric energy is that HVAC is powered, and thermal load is exported by the heat of HVAC and meets, and the energy output path of system is: the heat output �� total heat of city's electricity electric energy �� HVAC exports.
It thus is seen that the present invention has following technique effect:
1, the system energy output of the present invention is completely towards thermal load and refrigeration duty, does not relate to electricity load, thus can realize control and the operation of system more simply and effectively. In general, during traditional cold and hot electricity system cloud gray model, it is necessary to taking into account heat (cold) simultaneously and export and electricity exports, system energy output size not only depends on the part load ratio of heat engine, also depends on other some variablees, actual motion and more complicated in regulating; And the cold-hot combined supply system of the present invention is operationally, only single offer thermal output or cold output, there is one-to-one relationship in the part load ratio of thermal output or cold output size and heat engine, is therefore convenient to directly operation and regulates.
2, air conditioner load is the main factor of building energy consumption seasonal fluctuation, and the electric load of other Architectural Equipment is substantially without seasonal fluctuation, the air conditioner load of user is conducive to the load homogenizing in each season of electrical network by the present invention from electrical network separation, be conducive to the configuration capacity reducing power house and transmission of electricity system, electric power factory equipment utilization ratio is improved.
3, the present invention adopts common HVAC, only need to add thermo-mechanical power generation unit and waste heat recovery apparatus on the original HVAC system basis of building, just can complete the system reform and original system do not impacted. The more important thing is, improved system still can be switched to city's electricity electric energy at any time and connect, city needed for acquisition electricity electric energy, breaks down etc. when can not run well for described heat engine or other equipment, HVAC from electrical network obtain required for city electricity electric energy, it is provided that the thermal load of user and refrigeration duty. Therefore, system model proposed by the invention, compared to combustion-gas thermal pump air-conditioning system, is easier to apply, more safe and reliable.
Below with reference to accompanying drawing, the technique effect of the design of the present invention, concrete structure and generation is described further, fully to understand object, the characteristic sum effect of the present invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of the cold-hot combined supply system based on heat engine of the present invention.
Embodiment
As shown in Figure 1, in one embodiment of the invention, a kind of cold-hot combined supply system based on heat engine, comprises heat engine, generating set, heat recovery heat exchanger, operating mode switching valve, hot water heat exchanger, absorption refrigeration unit, HVAC etc.
Heat engine is preferably gas internal-combustion engine. The input terminus of gas internal-combustion engine inputs 1 with fuel energy and is connected, and the shaft work output terminal 2 of gas internal-combustion engine is connected with generating set, and the electric power of generating set exports 7 and is connected with the input terminus of HVAC. The jacket water circulation of gas internal-combustion engine is connected with high temperature section with the low-temperature zone of heat recovery heat exchanger respectively with flue gas pipeline, and the waste heat that jacket water waste heat and fume afterheat form gas internal-combustion engine exports 3. The waste heat of gas internal-combustion engine exports 3 and is connected with one end of heat recovery heat exchanger, and the waste heat of generation is outputted to heat recovery heat exchanger. Wherein, the heat exchanger system that the various waste heats of heat engine are reclaimed by heat recovery heat exchanger general reference.
The other end of heat recovery heat exchanger is connected with one end of operating mode switching valve; The other end of operating mode switching valve is optionally connected with in hot water heat exchanger with absorption refrigeration unit. Preferably, operating mode switching valve is T-valve, and the first port of operating mode switching valve is connected with heat recovery heat exchanger, and the Two-port netwerk of operating mode switching valve is connected with absorption refrigeration unit, and the 3rd port of operating mode switching valve is connected with hot water heat exchanger.
Absorption refrigeration unit is connected with user with HVAC, for meeting the refrigeration duty of user; Hot water heat exchanger is connected with user with HVAC, for meeting the thermal load of user.
Can selection of land, heat engine can also be any one in internal combustion turbine, miniature gas turbine or Stirling machine.
HVAC(Heating, Ventilation, Air-conditioningandCooling) refer to air conditioning system, it is the Controlling System comprising temperature, humidity, air cleaning degree and air circulation. In the present embodiment, HVAC is any one in HVAC refrigeration air-conditioner, ventilation dehumidification equipment or electric drive heat pump, exports or heat output for optionally realizing cold. HVAC can also be the combination of any two in HVAC refrigeration air-conditioner, ventilation dehumidification equipment and electric drive heat pump, or the combination of three, exports or heat output for optionally realizing cold.
When the cold-hot combined supply system of the present embodiment runs, fuel energy input 1 is utilized by heat engine, produces shaft work and exports 2 and waste heat output 3. Shaft work exports 2 for driving generator, produces electric power and exports 7, and electric power exports 7 all for driving HVAC. HVAC quantity of heat given up supply air conditioning terminal when winter is used for heating, and HVAC exports cold supply air conditioning terminal and is used for cooling when summer. Waste heat exports 3 and is reclaimed by heat recovery heat exchanger, produce hot water and export 4, the temperature of hot water output 4 can reach 95 DEG C, but the water route that hot water exports 4 places only participates in heat exchange and does not directly supply user, it is a closed cycle water route flowing through heat recovery heat exchanger, operating mode switching valve, absorption refrigeration unit and hot water heat exchanger that hot water exports the water route of 4, and hot water exports 4 and controls by operating mode switching valve; When winter, hot water exports the thermal source 5 that 4 are switched to hot water heat exchanger, and the whole supply air conditioning terminals that export of hot water output 8 that the heat that hot water heat exchanger absorbs produces hot water heat exchanger are used for heating; When summer, hot water exports 4 thermals source 6 being switched to absorption refrigeration unit, and the cold that absorption refrigeration unit consumes all heats and produces absorption refrigeration unit exports 9 supply air conditioning terminals for cooling.
In other words, the system running pattern of the present embodiment can be divided into summer mode and winter mode. It is specially:
Summer mode: refrigeration duty exports 9 by the cold of the cold output 10 of HVAC and absorption refrigeration unit and meets simultaneously, the energy output path of system comprises: the cold of fuel energy input 1 �� shaft work output 2 �� electric power output 7 �� HVAC exports 10 �� general refrigeration ability output 13, and the cold of the thermal source 6 �� absorption refrigeration unit of fuel energy input 1 �� waste heat output 3 �� hot water output 4 �� absorption refrigeration unit exports 9 �� general refrigeration ability output 13.
Winter mode: thermal load is exported by the heat of HVAC and the heat output of hot water heat exchanger meets simultaneously, the energy output path of system comprises: the heat of fuel energy input 1 �� shaft work output 2 �� electric power output 7 �� HVAC exports 11 �� total heat output 12, and the heat of the thermal source 5 �� hot water heat exchanger of fuel energy input 1 �� waste heat output 3 �� hot water output 4 �� hot water heat exchanger exports 8 �� total heat output 12.
Further, the energy output size of system is regulated by the part load ratio of heat engine and realizes.
In addition, in the present embodiment, the input terminus of HVAC is also connected with city's electricity electric energy, the pattern for subsequent use of the operation of safeguards system time for being provided in special. When heat engine or other equipment can not normally run, it is possible to powered directly to HVAC by city's electricity, it is provided that the refrigeration duty of user and thermal load. Wherein, for refrigeration duty, independently exporting 10 by the cold of HVAC and meet, the energy output path of system is: the cold of city's electricity electric energy 14 �� HVAC exports 10 �� general refrigeration ability and exports 13. For thermal load, independently exporting 11 by the heat of HVAC and meet, the energy output path of system is: the heat of city's electricity electric energy 14 �� HVAC exports 11 �� total heat and exports 12.
It thus is seen that The embodiment provides a kind of cold-hot combined supply system based on heat engine, the energy output of system is only towards heat or the refrigeration requirement of user. This kind of cold-hot combined supply system be simpler than cooling heating and power generation system, more be easy to promote more flexibly than gas engine heat pump system, not only completely avoid the control difficult problem that traditional cold cogeneration system faces, also there is good energy saving, economy, it is possible to effectively alleviate the seasonal fluctuation of city's electricity load simultaneously.
In addition, the system energy output of the present embodiment, completely towards thermal load and refrigeration duty, does not relate to electricity load, thus can realize control and the operation of system more simply and effectively. In general, during traditional cold and hot electricity system cloud gray model, it is necessary to taking into account heat (cold) simultaneously and export and electricity exports, system energy output size not only depends on the part load ratio of heat engine, also depends on other some variablees, actual motion and more complicated in regulating; And the cold-hot combined supply system of the present invention is operationally, only single offer thermal output or cold output, there is one-to-one relationship in the part load ratio of thermal output or cold output size and heat engine, is therefore convenient to directly operation and regulates.
Air conditioner load is the main factor of building energy consumption seasonal fluctuation, and the electric load of other Architectural Equipment is substantially without seasonal fluctuation, the air conditioner load of user is conducive to the load homogenizing in each season of electrical network by the cold-hot combined supply system of the present embodiment from electrical network separation, be conducive to the configuration capacity reducing power house and transmission of electricity system, electric power factory equipment utilization ratio is improved.
The present embodiment adopts common HVAC, only need to add heat engine, generating set and waste heat recovery apparatus on the original HVAC system basis of building, just can complete the system reform and original system do not impacted. The more important thing is, improved system still can be switched to city's electrical connection at any time, the city's electricity needed for acquisition. Therefore, the system model that the present embodiment proposes, compared to combustion-gas thermal pump air-conditioning system, is easier to apply, more safe and reliable.
Below the preferred embodiment of the present invention is described in detail. It is to be understood that the those of ordinary skill of this area just can make many modifications and variations according to the design of the present invention without the need to creative work. Therefore, the technical scheme that all technician in the art can be obtained by logical analysis, reasoning, or a limited experiment under this invention's idea on the basis of existing technology, all should by the determined protection domain of claim book.
Claims (6)
1. the cold-hot combined supply system based on heat engine, it is characterised in that, comprise heat engine, generating set, heat recovery heat exchanger, operating mode switching valve, hot water heat exchanger, absorption refrigeration unit, HVAC; The shaft work output terminal of described heat engine is connected with described generating set, and the power output end of described generating set is connected with the input terminus of described HVAC; The waste heat output terminal of described heat engine is connected with described heat recovery heat exchanger, and described heat recovery heat exchanger is connected with one end of described operating mode switching valve; The other end of described operating mode switching valve is optionally connected with in described hot water heat exchanger with described absorption refrigeration unit; Described absorption refrigeration unit is connected with user with described HVAC, for meeting the refrigeration duty of described user; Described hot water heat exchanger is connected with user with described HVAC, for meeting the thermal load of described user;
The energy output size of the described cold-hot combined supply system based on heat engine is regulated by the part load ratio of heat engine and realizes;
Wherein, described HVAC is any one in HVAC refrigeration air-conditioner, ventilation dehumidification equipment and electric drive heat pump, or the combination of any two, or the combination of three, and described HVAC is used for optionally realizing cold and exports or heat output;
Described refrigeration duty is exported by the cold of HVAC and the cold output of absorption refrigeration unit meets simultaneously, the energy output path of described system comprises: the cold output �� general refrigeration ability of fuel energy input �� shaft work output �� electric power output �� HVAC exports, and the cold output �� general refrigeration ability of the thermal source �� absorption refrigeration unit of fuel energy input �� waste heat output �� hot water output �� absorption refrigeration unit exports;
Described thermal load is exported by the heat of HVAC and the heat output of hot water heat exchanger meets simultaneously, the energy output path of described system comprises: the heat output �� total heat of fuel energy input �� shaft work output �� electric power output �� HVAC exports, and the heat output �� total heat of the thermal source �� hot water heat exchanger of fuel energy input �� waste heat output �� hot water output �� hot water heat exchanger exports.
2. as claimed in claim 1 based on the cold-hot combined supply system of heat engine, it is characterized in that, described operating mode switching valve is T-valve, first port of described operating mode switching valve is connected with described heat recovery heat exchanger, the Two-port netwerk of described operating mode switching valve is connected with described absorption refrigeration unit, and the 3rd port of described operating mode switching valve is connected with described hot water heat exchanger.
3. as claimed in claim 1 based on the cold-hot combined supply system of heat engine, it is characterised in that, described heat engine is any one in gas internal-combustion engine, internal combustion turbine, miniature gas turbine or Stirling machine.
4. as claimed in claim 1 based on the cold-hot combined supply system of heat engine, it is characterised in that, the input terminus of described HVAC is also connected with city's electricity electric energy.
5. as claimed in claim 4 based on the cold-hot combined supply system of heat engine, it is characterized in that, described city electricity electric energy is that described HVAC is powered, described refrigeration duty is exported by the cold of HVAC and meets, and the energy output path of described system is: the cold output �� general refrigeration ability of city's electricity electric energy �� HVAC exports.
6. as claimed in claim 4 based on the cold-hot combined supply system of heat engine, it is characterized in that, described city electricity electric energy is that described HVAC is powered, described thermal load is exported by the heat of HVAC and meets, and the energy output path of described system is: the heat output �� total heat of city's electricity electric energy �� HVAC exports.
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| CN104949389B (en) * | 2015-07-09 | 2017-07-25 | 北京佳诚佳信科技有限公司 | A kind of multi-functional ultra-low temperature air source energy conversion reclaims unit |
| CN106230349A (en) * | 2016-08-31 | 2016-12-14 | 延安新电能源开发有限责任公司 | A kind of phosgene hydrogen energy source interconnects production-process systems transboundary |
| CN107269391A (en) * | 2017-04-18 | 2017-10-20 | 华电电力科学研究院 | Comprehensive hospital energy supplying system and its application based on gas turbine |
| CN113915950B (en) * | 2020-07-10 | 2023-06-20 | 上海电力大学 | Gas-air combined cycle distributed energy system |
| CN117450681B (en) * | 2023-12-22 | 2024-03-26 | 上海优华系统集成技术股份有限公司 | Cold and heat combined supply system and method based on compressor compression heat full recovery |
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| CN1109552A (en) * | 1994-03-31 | 1995-10-04 | 上海精协科技实业公司 | Electric, cold, hot and power synchronously-generating energy resource system |
| CN2864507Y (en) * | 2005-12-15 | 2007-01-31 | 北京恩耐特机电设备有限公司 | Combined energy source system of cold/heat/electricity three-way gas supply and water storing energy |
| CN202133177U (en) * | 2011-05-26 | 2012-02-01 | 北京中新力源能源科技有限责任公司 | Multi-energy supply gas system |
| CN103034204A (en) * | 2012-12-13 | 2013-04-10 | 深圳供电局有限公司 | Combined cooling heating and power system and scheduling method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH1183232A (en) * | 1997-09-03 | 1999-03-26 | Nkk Corp | Combined absorption refrigerating equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109552A (en) * | 1994-03-31 | 1995-10-04 | 上海精协科技实业公司 | Electric, cold, hot and power synchronously-generating energy resource system |
| CN2864507Y (en) * | 2005-12-15 | 2007-01-31 | 北京恩耐特机电设备有限公司 | Combined energy source system of cold/heat/electricity three-way gas supply and water storing energy |
| CN202133177U (en) * | 2011-05-26 | 2012-02-01 | 北京中新力源能源科技有限责任公司 | Multi-energy supply gas system |
| CN103034204A (en) * | 2012-12-13 | 2013-04-10 | 深圳供电局有限公司 | Combined cooling heating and power system and scheduling method thereof |
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