CN103673389A - Cold and hot co-providing system based on heat machine - Google Patents
Cold and hot co-providing system based on heat machine Download PDFInfo
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- CN103673389A CN103673389A CN201310656878.6A CN201310656878A CN103673389A CN 103673389 A CN103673389 A CN 103673389A CN 201310656878 A CN201310656878 A CN 201310656878A CN 103673389 A CN103673389 A CN 103673389A
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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 invention discloses a cold and hot co-providing system based on a heat machine. The system comprises the heat machine, a generator unit, a waste heat recycling heat exchanger, a working condition switching valve, a hot water heat exchanger, an absorption cooling unit and HVAC equipment. A shaft work output end of the heat machine is connected with a generator unit. A power output end of the generator unit is connected with the input end of the HVAC equipment. A waste heat output end of the heat machine is connected with the waste heat recycling heat exchanger which is connected with one end of the working condition switching valve. The other end of the working condition switching valve is selectively connected with one of the absorption cooling unit and the hot water heat exchanger. The absorption cooling unit and the HVAC equipment are connected with a user and are used for meeting the cold load requirement of the user. The hot water heat exchanger and the HVAC equipment are connected with the user and are used for meeting the hot load requirement of the user. System energy output is completely towards cold load and hot load, electrical load is not related, and accordingly system control and operation can be achieved easily and effectively.
Description
Technical field
The present invention relates to build energy supply field, relate in particular to a kind of cold-hot combined supply system based on heat engine.
Background technology
In developed country, 50% building energy consumption derives from hvac equipment.Along with the quick propelling of China's cities and towns rate and the raising of resident living level, architectural energy consumption is also in obvious lifting.Especially in the winter time and summer, building heating and cooling have brought huge energy consumption, have caused on the one hand the seasonal fluctuation of regional power supply, for power plant produces and dispatching of power netwoks has increased pressure, have increased on the other hand coal consumption, 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 can the air conditioner load in winter and summer is separated from electrical network, can effectively alleviate the seasonal fluctuation of electricity needs, the pollution of minimizing coal-burning power plant.
By air conditioner load, from effective thinking of electrical network separation, be to promote distributed energy supply.Wherein, technology most widely used with the co-generation system based on gas internal-combustion engine is the most ripe.General distributed energy supply is all based on relatively clean fuel such as natural gases.By distributed energy supply, solve region user's energy supply problem, can alleviate electrical network pressure, reduce coal consumption.By existing patented technology is retrieved, the two class technology that find that there is can realize air conditioner load separated from electrical network.
Application number is that the Chinese invention patent application of CN201120012538.6 discloses the cooling heating and power generation system that a kind of compact internal combustion engine supply of cooling, heating and electrical powers modularization integrated system is representative.Such cooling heating and power generation system at least comprises heat engine, heat recovery heat exchanger, lithium bromide absorption machine.General thinking is after the waste heat of heat engine is recovered, in order to drive the hot standby or direct heating in the winter time of absorption refrigeration in summer; The function that heat engine produces is to drive generator generating, in order to meet custom power demand.Such system effectiveness is high, function is complete, but its high efficiency need to be by optimizing integrated and optimizing operation and ensured.And electric load and heat (cold) load often has certain fluctuation separately, this makes system realize thermoelectricity two and be faced with in all directions the Optimal Control Problem of more complicated.And the generating efficiency of cogeneration cooling heating system is not high, the high efficiency of entire system is effectively to have recycled system waste heat.At 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 the gas air conditioner heat pump that a kind of gas-fired heat pump air conditioner and progress control method thereof are representative.This type systematic at least comprises the equipment such as gas engine, compressor, and its general features is the running of gas engine acting direct driving compressor machine, realizes the compression cycle of heat pump fluid.This type systematic consume fuel, complete quantity of heat given up and cold.Engine exhaust heat also can reclaim simultaneously and be used to improve system effectiveness.But the compressor of this kind of system is directly by motor driven, incompatible with existing electric drive HVAC equipment, when application, must remove the original HVAC system of building.This makes this kind of technology be difficult to be promoted in the distant situation of advantage.
In addition, traditional architecture co-feeding system is mainly cogeneration or supply of cooling, heating and electrical powers, and it is intended to meet user's electricity needs and heat (cold) demand; But because electric load and heat (cold) load are not often synchronous variations, cause the control problem in running complicated.
Therefore, those skilled in the art be devoted to develop a kind of based on heat engine with cold output and heat, be output as the cold-hot combined supply system of object, the energy output of system is user oriented heat or refrigeration requirement only, system is simple, compatibility is high.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide and a kind ofly based on heat engine, with cold output and heat, is output as the cold-hot combined supply system of object, can be when simplification system be controlled, have more and solve pointedly the burden that seasonal air conditioner load causes electrical network, reduce the pollution of coal-burning power plant.
For achieving the above object, the invention provides a kind of cold-hot combined supply system based on heat engine, comprise heat engine, generating set, heat recovery heat exchanger, operating mode transfer valve, hot water heat exchanger, absorption refrigeration unit, HVAC equipment; The shaft work output of heat engine is connected with generating set, and the power output end of generating set is connected with the input of HVAC equipment; The waste heat output of heat engine is connected with heat recovery heat exchanger, and heat recovery heat exchanger is connected with one end of operating mode transfer valve; The other end of operating mode transfer valve is optionally connected with in absorption refrigeration unit and hot water heat exchanger one; Absorption refrigeration unit is connected with user with HVAC equipment, for meeting user's refrigeration duty; Hot water heat exchanger is connected with user with HVAC equipment, for meeting user's thermic load.
Wherein, HVAC(Heating, Ventilation, Air-conditioning and Cooling) refer to air handling system, be the control system that comprises temperature, humidity, air cleaning degree and air circulation.
Wherein, shaft work refers to that system is by machine shaft and the extraneous merit of transmitting.
Further, operating mode transfer valve is triple valve, and the first port of operating mode transfer valve is connected with heat recovery heat exchanger, and the second port of operating mode transfer valve is connected with absorption refrigeration unit, and the 3rd port of operating mode transfer valve is connected with hot water heat exchanger.
Further, heat engine is any in gas internal-combustion engine, gas turbine, miniature gas turbine or Stirling-electric hybrid.
Further, HVAC equipment is any in HVAC refrigeration air-conditioner, ventilation drying equipment or electric drive heat pump, and HVAC equipment is for optionally realizing cold output or heat output.
Alternatively, HVAC equipment is the combination of any two in HVAC refrigeration air-conditioner, ventilation drying equipment and electric drive heat pump, or the combination of three, and HVAC equipment is for optionally realizing cold output or heat output.
Further, refrigeration duty is met by the cold output of HVAC equipment and the cold output of absorption refrigeration unit simultaneously, the energy outgoing route of system comprises: the cold output → general refrigeration ability output of fuel energy input → shaft work output → electric power output → HVAC equipment, and the output of the cold output → general refrigeration ability of thermal source → absorption refrigeration unit of fuel energy input → waste heat output → hot water output → absorption refrigeration unit.
Further, thermic load is met by the heat output of HVAC equipment and the heat output of hot water heat exchanger simultaneously, the energy outgoing route of system comprises: the heat output → total amount of heat output of fuel energy input → shaft work output → electric power output → HVAC equipment, and the output of the heat output → total amount of heat of the thermal source → hot water heat exchanger of fuel energy input → waste heat output → hot water output → hot water heat exchanger.
Further, the energy of system output size regulates realization by the part load ratio of heat engine.
Further, the input of HVAC equipment is also connected with civil power electric energy.
Further, civil power electric energy is the power supply of HVAC equipment, and refrigeration duty is met by the cold output of HVAC equipment, and the energy outgoing route of system is: the cold output → general refrigeration ability output of civil power electric energy → HVAC equipment.
Further, civil power electric energy is the power supply of HVAC equipment, and thermic load is met by the heat output of HVAC equipment, and the energy outgoing route of system is: the heat output → total amount of heat output of civil power electric energy → HVAC equipment.
As can be seen here, the present invention has following technique effect:
1, system capacity output complete face of the present invention, to thermic load and refrigeration duty, does not relate to electric load, thereby can realize more simply and effectively control and the operation of system.In general, when traditional cool and thermal power system is moved, need to take into account heat (cold) output and electric output, system capacity is exported the part load ratio that size not only depends on heat engine, also depends on other some variablees, more complicated in actual motion and adjusting simultaneously; And cold-hot combined supply system of the present invention is in when operation, only singlely provide thermal output or cold output, there is one-to-one relationship with the part load ratio of heat engine in thermal output or cold output size, is therefore convenient to direct control and adjusting.
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 homogenising of loading each season that the present invention is conducive to electrical network by user's air conditioner load from electrical network separation, be conducive to reduce the configuration capacity of power station and transmission system, station plant factor is improved.
3, the present invention adopts common HVAC equipment, only need in the original HVAC system-based of building, add thermo-mechanical power generation unit and waste heat recovery apparatus, just can transform and original system not impacted by completion system.The more important thing is, improved system still can be switched at any time civil power electric energy and connect, and obtains required civil power electric energy, for described heat engine or miscellaneous equipment, breaks down etc. can not run well time, HVAC equipment obtains needed civil power electric energy from electrical network, and user's thermic load and refrigeration duty is provided.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 design of the present invention, concrete structure and generation is described further, to understand fully object of the present invention, feature and effect.
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.
The specific 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 transfer valve, hot water heat exchanger, absorption refrigeration unit, HVAC equipment etc.
Heat engine is preferably gas internal-combustion engine.The input of gas internal-combustion engine is connected with fuel energy input 1, and the shaft work output 2 of gas internal-combustion engine is connected with generating set, and the electric power output 7 of generating set is connected with the input of HVAC equipment.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 jacket water waste heat and fume afterheat form the waste heat output 3 of gas internal-combustion engine.The waste heat output 3 of gas internal-combustion engine is connected with one end of heat recovery heat exchanger, and the waste heat of generation is outputed to heat recovery heat exchanger.Wherein, the heat exchanger system that heat recovery heat exchanger general reference is reclaimed the various waste heats of heat engine.
The other end of heat recovery heat exchanger is connected with one end of operating mode transfer valve; The other end of operating mode transfer valve is optionally connected with in absorption refrigeration unit and hot water heat exchanger one.Preferably, operating mode transfer valve is triple valve, and the first port of operating mode transfer valve is connected with heat recovery heat exchanger, and the second port of operating mode transfer valve is connected with absorption refrigeration unit, and the 3rd port of operating mode transfer valve is connected with hot water heat exchanger.
Absorption refrigeration unit is connected with user with HVAC equipment, for meeting user's refrigeration duty; Hot water heat exchanger is connected with user with HVAC equipment, for meeting user's thermic load.
Alternatively, heat engine can also be any in gas turbine, miniature gas turbine or Stirling-electric hybrid.
HVAC(Heating, Ventilation, Air-conditioning and Cooling) refer to air handling system, be the control system that comprises temperature, humidity, air cleaning degree and air circulation.In the present embodiment, HVAC equipment is any in HVAC refrigeration air-conditioner, ventilation drying equipment or electric drive heat pump, for optionally realizing cold output or heat output.HVAC equipment can be also the combination of any two in HVAC refrigeration air-conditioner, ventilation drying equipment and electric drive heat pump, or the combination of three, for optionally realizing cold output or heat output.
When the cold-hot combined supply system of the present embodiment moves, fuel energy input 1 is utilized by heat engine, produces shaft work output 2 and waste heat output 3.Shaft work output 2, for driving generator, produces electric power output 7, and electric power output 7 is all for driving HVAC equipment.HVAC equipment in the winter time time quantity of heat given up supply with air conditioning terminal for heating, HVAC equipment is exported cold and is supplied with air conditioning terminal for cooling when summer.Waste heat output 3 is reclaimed by heat recovery heat exchanger, produce hot water output 4, the temperature of hot water output 4 can reach 95 ℃, but hot water is exported the water route at 4 places and is only participated in heat exchange and directly do not supply with user, the water route of hot water output 4 is closed cycle water routes of the heat recovery heat exchanger of flowing through, operating mode transfer valve, absorption refrigeration unit and hot water heat exchanger, and hot water output 4 is controlled by operating mode transfer valve; In the time of in the winter time, hot water output 4 is switched to the thermal source 5 of hot water heat exchanger, and the hot water output 8 of the heat generation hot water heat exchanger that hot water heat exchanger absorbs all output is supplied with air conditioning terminal for heating; When summer, hot water output 4 is switched to the thermal source 6 of absorption refrigeration unit, and the cold output 9 supply air conditioning terminals that absorption refrigeration unit consumes all heats and produces absorption refrigeration unit are for cooling.
In other words, the system running pattern of the present embodiment can be divided into summer mode and winter mode.Be specially:
Summer mode: refrigeration duty is met by the cold output 10 of HVAC equipment and the cold output 9 of absorption refrigeration unit simultaneously, the energy outgoing route of system comprises: cold output 10 → general refrigeration ability output 13 of fuel energy input 1 → shaft work output 2 → electric power output 7 → HVAC equipment, and cold output 9 → general refrigeration ability output 13 of thermal source 6 → absorption refrigeration unit of fuel energy input 1 → waste heat output 3 → hot water output 4 → absorption refrigeration unit.
Winter mode: thermic load is met by the heat output of HVAC equipment and the heat output of hot water heat exchanger simultaneously, the energy outgoing route of system comprises: heat output 11 → total amount of heat output 12 of fuel energy input 1 → shaft work output 2 → electric power output 7 → HVAC equipment, and heat output 8 → total amount of heat output 12 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.
Further, the energy of system output size regulates realization by the part load ratio of heat engine.
In addition, in the present embodiment, the input of HVAC equipment is also connected with civil power electric energy, for the standby mode of the operation of safeguards system special time is provided.When heat engine or miscellaneous equipment can not normally move, can power directly to HVAC equipment by civil power, user's refrigeration duty and thermic load is provided.Wherein, for refrigeration duty, the independent output of the cold by HVAC equipment 10 meets, and the energy outgoing route of system is: cold output 10 → general refrigeration ability output 13 of civil power electric energy 14 → HVAC equipment.For thermic load, the independent output of the heat by HVAC equipment 11 meets, and the energy outgoing route of system is: heat output 11 → total amount of heat output 12 of civil power electric energy 14 → HVAC equipment.
As can be seen here, embodiments of the invention provide a kind of cold-hot combined supply system based on heat engine, and the energy output of system is user oriented heat or refrigeration requirement only.This cold-hot combined supply system is simpler than cooling heating and power generation system, than gas engine heat pump system, be more easy to more flexibly promote, a control difficult problem of not only having avoided traditional cold cogeneration system to face completely, also there is good energy saving, economy, can effectively alleviate the seasonal fluctuation of city's electric load simultaneously.
In addition, the system capacity of the present embodiment output complete face, to thermic load and refrigeration duty, does not relate to electric load, thereby can realize more simply and effectively control and the operation of system.In general, when traditional cool and thermal power system is moved, need to take into account heat (cold) output and electric output, system capacity is exported the part load ratio that size not only depends on heat engine, also depends on other some variablees, more complicated in actual motion and adjusting simultaneously; And cold-hot combined supply system of the present invention is in when operation, only singlely provide thermal output or cold output, there is one-to-one relationship with the part load ratio of heat engine in thermal output or cold output size, is therefore convenient to direct control and adjusting.
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 homogenising of loading each season that the cold-hot combined supply system of the present embodiment is conducive to electrical network by user's air conditioner load from electrical network separation, be conducive to reduce the configuration capacity of power station and transmission system, station plant factor is improved.
The present embodiment adopts common HVAC equipment, only need in the original HVAC system-based of building, add heat engine, generating set and waste heat recovery apparatus, just can transform and original system not impacted by completion system.The more important thing is, improved system still can be switched at any time city and be electrically connected to, and obtains required civil power.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.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just can design according to the present invention make many modifications and variations without creative work.Therefore, all technical staff in the art, all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. the cold-hot combined supply system based on heat engine, is characterized in that, comprises heat engine, generating set, heat recovery heat exchanger, operating mode transfer valve, hot water heat exchanger, absorption refrigeration unit, HVAC equipment; The shaft work output of described heat engine is connected with described generating set, and the power output end of described generating set is connected with the input of described HVAC equipment; The waste heat output 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 transfer valve; The other end of described operating mode transfer valve is optionally connected with in described absorption refrigeration unit and described hot water heat exchanger one; Described absorption refrigeration unit is connected with user with described HVAC equipment, for meeting described user's refrigeration duty; Described hot water heat exchanger is connected with user with described HVAC equipment, for meeting described user's thermic load.
2. the cold-hot combined supply system based on heat engine as claimed in claim 1, it is characterized in that, described operating mode transfer valve is triple valve, the first port of described operating mode transfer valve is connected with described heat recovery heat exchanger, the second port of described operating mode transfer valve is connected with described absorption refrigeration unit, and the 3rd port of described operating mode transfer valve is connected with described hot water heat exchanger.
3. the cold-hot combined supply system based on heat engine as claimed in claim 1, is characterized in that, described heat engine is any in gas internal-combustion engine, gas turbine, miniature gas turbine or Stirling-electric hybrid.
4. the cold-hot combined supply system based on heat engine as claimed in claim 1, it is characterized in that, described HVAC equipment is any in HVAC refrigeration air-conditioner, ventilation drying equipment or electric drive heat pump, and described HVAC equipment is for optionally realizing cold output or heat output.
5. the cold-hot combined supply system based on heat engine as claimed in claim 1, it is characterized in that, described HVAC equipment is the combination of any two in HVAC refrigeration air-conditioner, ventilation drying equipment and electric drive heat pump, or the combination of three, described HVAC equipment is for optionally realizing cold output or heat output.
6. the cold-hot combined supply system based on heat engine as claimed in claim 1, it is characterized in that, described refrigeration duty is met by the cold output of HVAC equipment and the cold output of absorption refrigeration unit simultaneously, the energy outgoing route of described system comprises: the cold output → general refrigeration ability output of fuel energy input → shaft work output → electric power output → HVAC equipment, and the output of the cold output → general refrigeration ability of thermal source → absorption refrigeration unit of fuel energy input → waste heat output → hot water output → absorption refrigeration unit.
7. the cold-hot combined supply system based on heat engine as claimed in claim 1, it is characterized in that, described thermic load is met by the heat output of HVAC equipment and the heat output of hot water heat exchanger simultaneously, the energy outgoing route of described system comprises: the heat output → total amount of heat output of fuel energy input → shaft work output → electric power output → HVAC equipment, and the output of the heat output → total amount of heat of the thermal source → hot water heat exchanger of fuel energy input → waste heat output → hot water output → hot water heat exchanger.
8. the cold-hot combined supply system based on heat engine as claimed in claim 1, is characterized in that, the input of described HVAC equipment is also connected with civil power electric energy.
9. the cold-hot combined supply system based on heat engine as claimed in claim 8, it is characterized in that, described civil power electric energy is described HVAC equipment power supply, described refrigeration duty is met by the cold output of HVAC equipment, and the energy outgoing route of described system is: the cold output → general refrigeration ability output of civil power electric energy → HVAC equipment.
10. the cold-hot combined supply system based on heat engine as claimed in claim 8, it is characterized in that, described civil power electric energy is described HVAC equipment power supply, described thermic load is met by the heat output of HVAC equipment, and the energy outgoing route of described system is: the heat output → total amount of heat output of civil power electric energy → HVAC equipment.
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| CN201310656878.6A CN103673389B (en) | 2013-12-06 | 2013-12-06 | Based on the cold-hot combined supply system of heat engine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949389A (en) * | 2015-07-09 | 2015-09-30 | 北京佳诚佳信科技有限公司 | Multifunctional ultralow temperature air-source energy conversion and recovery 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 |
| CN113915950A (en) * | 2020-07-10 | 2022-01-11 | 上海电力大学 | Gas-air combined cycle distributed energy system |
| CN117450681A (en) * | 2023-12-22 | 2024-01-26 | 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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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104949389A (en) * | 2015-07-09 | 2015-09-30 | 北京佳诚佳信科技有限公司 | Multifunctional ultralow temperature air-source energy conversion and recovery unit |
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| CN113915950A (en) * | 2020-07-10 | 2022-01-11 | 上海电力大学 | Gas-air combined cycle distributed energy system |
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| CN117450681A (en) * | 2023-12-22 | 2024-01-26 | 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 |
| 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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| CN103673389B (en) | 2016-06-01 |
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