CN107940791B - Solar energy storage type non-electric gas engine heat pump combined cooling heating power system - Google Patents
Solar energy storage type non-electric gas engine heat pump combined cooling heating power system Download PDFInfo
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- CN107940791B CN107940791B CN201711395842.1A CN201711395842A CN107940791B CN 107940791 B CN107940791 B CN 107940791B CN 201711395842 A CN201711395842 A CN 201711395842A CN 107940791 B CN107940791 B CN 107940791B
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- 238000004146 energy storage Methods 0.000 title claims abstract description 95
- 238000010438 heat treatment Methods 0.000 title claims abstract description 14
- 238000001816 cooling Methods 0.000 title claims abstract description 13
- 238000010248 power generation Methods 0.000 claims abstract description 16
- 238000012423 maintenance Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 73
- 239000007789 gas Substances 0.000 claims description 57
- 239000002918 waste heat Substances 0.000 claims description 36
- 239000000498 cooling water Substances 0.000 claims description 29
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 16
- 239000003546 flue gas Substances 0.000 claims description 16
- 238000011084 recovery Methods 0.000 claims description 10
- 239000000779 smoke Substances 0.000 claims description 10
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B11/00—Compression machines, plants or systems, using turbines, e.g. gas turbines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/42—Cooling means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2327/00—Refrigeration system using an engine for driving a compressor
- F25B2327/001—Refrigeration system using an engine for driving a compressor of the internal combustion type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/60—Thermal-PV hybrids
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a solar energy storage type non-electric gas engine heat pump combined cooling heating and power system, which comprises a photovoltaic power generation energy storage system which continuously supplies power to the energy storage type non-electric gas engine heat pump combined cooling and power system day and night and gets rid of dependence on a power grid, the renewable energy provided by the solar source creates a stable micro-working environment for the gas engine heat pump system, isolates the internal environment of the building from outdoor interference factors, keeps the building warm, avoids the energy storage type building maintenance structure generated by a cold bridge and a heat bridge of the building, and the gas engine heat pump system. The system of the invention is a non-electric building energy supply system which couples a solar heat and electricity capturing conversion system with a gas engine heat pump system and an energy storage type building enclosure structure, the non-electric operation can be realized, the building can be continuously powered in all kinds of areas day and night, and the efficiency is high.
Description
Technical Field
The invention relates to a renewable energy source utilization technology, in particular to a solar energy storage type non-electric gas engine heat pump combined cooling heating power system.
Background
Today where energy problems are increasingly prominent, building energy conservation has received increasing attention. Solar energy is an inexhaustible renewable energy source, and is pollution-free, and thus, receives a great deal of attention. The solar heat and electricity capturing and converting system combines photovoltaics and photo-heat, has power output and heat energy output, and can realize higher solar energy utilization rate. However, due to the low heat flux density of solar energy, it is susceptible to seasons and weather, especially in rainy days and at night. At this time, if solar energy is used alone to heat a building, the requirement of the building on energy cannot be met, and at this time, electric heating assistance is often used, so that the energy consumption of the building is greatly increased.
The gas engine heat pump drives the compressor to work by combusting natural gas through the internal combustion engine, and has the advantages of high efficiency, energy saving, safety, environmental protection, stability and the like. Today gas turbine heat pumps with outstanding energy and environmental issues are gaining more and more attention. However, when the gas engine heat pump heats in cold areas, the evaporation temperature is reduced, and the efficiency of the gas engine heat pump is greatly reduced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a solar energy storage type non-electric gas engine heat pump combined cooling heating power system.
The technical scheme adopted by the invention is as follows: the utility model provides a solar energy's energy storage type non-electricity gas engine heat pump cogeneration system, includes and lasts for energy storage type non-electricity gas engine heat pump cogeneration system power supply, gets rid of the photovoltaic power generation energy storage system that relies on the electric wire netting, builds a stable little operational environment for gas engine heat pump system based on the renewable energy that solar energy provided, isolated building internal environment and outdoor interference factor to for the building keeps warm, avoids building cold bridge, the energy storage type building maintenance structure that the heat bridge produced, and gas engine heat pump system.
The photovoltaic power generation energy storage system comprises the following components: the photovoltaic battery system comprises a photovoltaic cell array for converting solar energy into electric energy, an energy storage battery for storing the electric energy for uninterrupted power supply in day and night, and an inverter for supplying power to electric equipment.
The energy storage type building maintenance structure comprises: the solar heat collection tube, the heat exchanger and the energy storage building enclosing wall are used for building the photovoltaic cell array in the optimal working temperature environment and realizing all-weather stable and efficient operation of the photovoltaic power generation efficiency; the solar heat collecting pipe is arranged on the photovoltaic cell array, and two ends of the solar heat collecting pipe are respectively connected to a heat collecting side inlet and a heat collecting side outlet of the heat exchanger; the energy storage side outlet and the energy storage side inlet of the heat exchanger are respectively connected to the energy storage side inlet and the energy storage side outlet of the energy storage building enclosing wall.
The gas engine heat pump system comprises a gas engine, a compressor, an evaporator circulating water pump, an expansion valve, a cooling water pump, a condenser, a water tank, a waste heat exchanger, a waste heat recovery circulating water pump, a flue gas heat exchanger and a cylinder sleeve heat exchanger; the low-temperature heat source side inlet and the low-temperature heat source side outlet of the energy storage building enclosing wall are respectively connected to the low-temperature heat source outlet and the low-temperature heat source inlet of the evaporator, the evaporator inlet and the evaporator outlet of the evaporator are respectively connected to the outlet of the expansion valve and the air inlet of the compressor, the air outlet of the compressor is connected to the condenser inlet of the condenser, the inlet of the expansion valve is connected to the condenser outlet of the condenser, the cooling water inlet of the condenser is connected to the outlet of the water tank, the cooling water outlet of the condenser is connected to the cooling water inlet of the waste heat exchanger, and the cooling water outlet of the waste heat exchanger is connected to the inlet of the water tank; the compressor is arranged on a connecting pipeline between an evaporator outlet of the evaporator and a condenser inlet of the condenser, the compressor is connected with the gas engine through a shaft, and a flue gas outlet of the gas engine is connected to a flue gas inlet of the flue gas heat exchanger through a flue gas exhaust pipeline; the cylinder sleeve heat exchanger is connected to the gas engine, an inlet of the cylinder sleeve heat exchanger is connected to a cylinder sleeve water outlet of the waste heat exchanger, an outlet of the cylinder sleeve heat exchanger is connected to a cylinder sleeve water inlet of the flue gas heat exchanger, and a cylinder sleeve water outlet of the flue gas heat exchanger is connected to a cylinder sleeve water inlet of the waste heat exchanger.
Further, a photo-thermal circulating water pump is arranged on the solar heat collecting pipe connected with the heat collecting side outlet of the heat exchanger, and the photo-thermal circulating water pump is connected to the inverter through an electric wire.
Further, an enclosure circulating water pump is arranged on a connecting pipeline between the energy storage side inlet of the heat exchanger and the energy storage side outlet of the energy storage building enclosure, and the enclosure circulating water pump is connected to the inverter through an electric wire.
Further, an evaporator circulating water pump is arranged on a connecting pipeline between the low-temperature heat source side outlet of the energy storage building enclosing wall and the low-temperature heat source inlet of the evaporator, and the evaporator circulating water pump is connected to the inverter through an electric wire.
Further, a cooling water pump is arranged on a connecting pipe line between the outlet of the water tank and the cooling water inlet of the condenser, and the cooling water pump is connected to the inverter through an electric wire.
Further, a waste heat recovery circulating water pump is arranged on a connecting pipe line between a cylinder liner water outlet of the waste heat exchanger and an inlet of the cylinder liner heat exchanger, and the waste heat recovery circulating water pump is connected to the inverter through an electric wire.
Further, the photovoltaic cell array comprises a plurality of photovoltaic cells which are connected in series, and the photovoltaic cells are one of monocrystalline silicon cells, polycrystalline silicon cells, amorphous silicon cells and thin film cells.
Further, the solar heat collecting pipes are uniformly arranged on the back surface of the photovoltaic cell array.
The beneficial effects of the invention are as follows:
1. the invention relates to a solar energy storage type non-electric gas engine heat pump combined cooling heating power system, which combines a photovoltaic power generation and storage system with a gas engine heat pump system and an energy storage type building enclosure structure, creates a stable working temperature environment for the gas engine heat pump system, increases the application range of the gas engine heat pump and improves the working efficiency of the system.
2. According to the photovoltaic power generation and storage system, solar energy can be fully utilized to output high-grade electric energy, heat energy converted by the solar energy can be effectively utilized, and photoelectric and photo-thermal gradient conversion utilization of a solar source is realized.
3. According to the invention, the photovoltaic power generation and storage system can continuously supply power to the whole device day and night, and the dependence on a power grid is avoided. In the daytime, the photovoltaic cell converts solar energy into electric energy to be stored in the energy storage battery, and the electric equipment in the device is powered by the inverter; the electric energy stored in the energy storage battery is used for supplying power to electric equipment in the device through the inverter at night. The uninterrupted power supply in day and night is realized, and the non-electric operation of the combined power supply system is realized.
4. According to the invention, the solar heat collecting pipes are uniformly distributed on the back surface of the photovoltaic cell, so that the photovoltaic cell can be maintained at the optimal working temperature (25 ℃), and all-weather stable and efficient operation of the photovoltaic power generation efficiency is realized.
5. In the invention, the heat of the solar heat collecting pipe is stored in the energy storage type building maintenance structure, so that a stable working temperature environment can be continuously built for the gas engine heat pump system, the COP of the gas engine heat pump system is improved, the internal environment and the outdoor environment of a building can be isolated, the load demand of the building is reduced, the building can be insulated, and the heat insulation of the external wall of the building is further replaced. Thereby improving the overall heating efficiency of the gas engine heat pump system.
6. In the invention, the energy storage type building enclosure structure can store heat energy, can block the connection between the indoor environment and the environment of the building, and prevent the generation of a cold bridge and a hot bridge of the building enclosure structure, thereby greatly reducing the energy consumption of the building and being beneficial to the energy conservation of the building.
Drawings
Fig. 1: the invention relates to a solar energy storage type non-electric gas engine heat pump combined cooling heating power system structure schematic diagram.
The drawings are marked: 1-an array of photovoltaic cells; 2-an energy storage battery; a 3-inverter; 4-a solar heat collecting tube; 5-a photo-thermal circulating water pump; 6-a heat exchanger; 7-wall a circulating water pump; 8-an expansion valve; 9-a cooling water pump; a 10-condenser; 11-a water tank; 12-a waste heat exchanger; 13-a waste heat recovery circulating water pump; 14-a flue gas heat exchanger; 15-a cylinder sleeve heat exchanger; 16-gas engine; 17-a compressor; 18-an evaporator; 19-an evaporator circulating water pump; 20-energy storage building enclosing walls;
a heat collecting side outlet of the heat exchanger; b-a heat collecting side inlet of the heat exchanger; c-an energy storage side inlet of the heat exchanger; d-an energy storage side outlet of the heat exchanger; e-an energy storage side outlet of the energy storage building enclosing wall; f-an energy storage side inlet of an energy storage building enclosure; g-low temperature heat source side inlet of energy storage building enclosure; h-low temperature heat source side outlet of the energy storage building enclosing wall; i-low temperature heat source outlet of evaporator; j-low temperature heat source inlet of evaporator; k-evaporator inlet; an l-evaporator outlet; an m-condenser outlet; an n-condenser inlet; o-condensation of machines a cooling water inlet; p-condensation device for preventing and treating cancer A kind of electronic device a cooling water outlet; an outlet of the q-tank; an inlet of the r-tank; a cooling water inlet of the s-waste heat exchanger; a cooling water outlet of the t-waste heat exchanger; a cylinder sleeve water outlet of the u-waste heat exchanger; a cylinder sleeve water inlet of the v-waste heat exchanger; a cylinder sleeve water outlet of the w-smoke heat exchanger; a cylinder liner water inlet of the x-smoke heat exchanger; an inlet of the y-cylinder sleeve heat exchanger; an outlet of the z-cylinder sleeve heat exchanger; an exhaust port of the A-compressor; b-exhaust port of compressor; an inlet of the C-expansion valve; and D is an outlet of the expansion valve.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The invention combines the solar photovoltaic/thermal (PV/T) technology with the gas engine heat pump system and the energy storage type building maintenance structure, and the three complement each other, thereby improving the efficiency and the stability of the system and meeting the energy demand of the building. Has great significance for building energy conservation and sustainable energy utilization.
As shown in figure 1, the solar energy storage type non-electric gas engine heat pump combined cooling heating power system can realize a non-electric power supply system, and comprises a photovoltaic power generation energy storage system, an energy storage type building maintenance structure and a gas engine heat pump system.
The photovoltaic power generation energy storage system comprises a photovoltaic cell array 1, an energy storage battery 2 and an inverter 3 which are sequentially connected; the photovoltaic cell array 1 comprises a plurality of photovoltaic cells which are connected in series, wherein the photovoltaic cells are one of monocrystalline silicon cells, polycrystalline silicon cells, amorphous silicon cells and thin film cells. The photovoltaic power generation energy storage system can continuously supply power for the heat pump combined cooling heating and power system of the energy storage type non-electric gas engine of the whole solar source day and night, and the dependence on a power grid is avoided. The photovoltaic cell array 1 converts solar energy into electric energy to be stored in the energy storage battery 2 in the daytime, and the inverter 3 converts direct current into alternating current to supply power to electric equipment of the whole system; at night, the photovoltaic cell array 1 stops working, and the energy storage battery 2 continues to supply power to electric equipment of the whole system through the inverter 3. The uninterrupted power supply is realized, and the dependence on a power grid is eliminated.
The energy storage type building maintenance structure comprises a solar heat collecting pipe 4, a photo-thermal circulating water pump 5, a heat exchanger 6, an enclosure circulating water pump 7 and an energy storage building enclosure 20. The solar heat collecting pipes 4 are arranged on the photovoltaic cell array 1 and are uniformly arranged on the back surface of the photovoltaic cell array 1, so that the photovoltaic cell array 1 can be maintained at the optimal working temperature of-25 ℃ to realize all-weather stable and efficient operation of the photovoltaic power generation efficiency; both ends of the solar heat collecting pipe 4 are respectively connected to a heat collecting side inlet b and a heat collecting side outlet a of the heat exchanger 6; the energy storage side outlet d of the heat exchanger 6 is connected to the energy storage side inlet f of the energy storage building enclosure 20, and the energy storage side inlet c of the heat exchanger 6 is connected to the energy storage side outlet e of the energy storage building enclosure 20. The photo-thermal circulating water pump 5 is arranged on the solar heat collecting pipe 4 connected with the heat collecting side outlet a of the heat exchanger 6, the enclosure circulating water pump 7 is arranged on a connecting pipe line between the energy storage side inlet c of the heat exchanger 6 and the energy storage side outlet e of the energy storage building enclosure 20, and the photo-thermal circulating water pump 5 and the enclosure circulating water pump 7 are connected to the inverter 3 through electric wires. The solar heat collecting pipe 4 absorbs heat, the heat is stored in the energy storage type building maintenance structure through the photo-thermal circulating water pump 5, the heat exchanger 6 and the enclosing wall circulating water pump 7, a stable micro-working environment can be built for the gas engine heat pump system based on renewable energy provided by a solar source, a low-temperature heat source is continuously provided for the gas engine heat pump system, COP (coefficient of performance) of the gas engine heat pump system is improved, internal environment and outdoor interference factors of a building can be isolated, building load requirements are reduced, building heat preservation can be achieved, building cold bridge and heat bridge generation are avoided, and further building external wall heat preservation is replaced. Thereby improving the overall heating efficiency of the gas engine heat pump system.
The gas engine heat pump system comprises a gas engine 16, a compressor 17, an evaporator 18, an evaporator circulating water pump 19, an expansion valve 8, a cooling water pump 9, a condenser 10, a water tank 11, a waste heat exchanger 12, a waste heat recovery circulating water pump 13, a flue gas heat exchanger 14 and a cylinder sleeve heat exchanger 15. The low-temperature heat source side inlet g of the energy storage building enclosure 20 is connected to the low-temperature heat source outlet i of the evaporator 18, the low-temperature heat source side outlet h of the energy storage building enclosure 20 is connected to the low-temperature heat source inlet j of the evaporator 18, the evaporator inlet k and the evaporator outlet l of the evaporator are respectively connected to the outlet D of the expansion valve 8 and the air inlet B of the compressor 17, the air outlet a of the compressor 17 is connected to the condenser inlet n of the condenser 10, the inlet C of the expansion valve 8 is connected to the condenser outlet m of the condenser 10, the cooling water inlet o of the condenser 10 is connected to the outlet q of the water tank 11, the cooling water outlet p of the condenser 10 is connected to the cooling water inlet s of the waste heat exchanger 12, and the cooling water outlet t of the waste heat exchanger 12 is connected to the inlet r of the water tank 11; the compressor 17 is connected with the gas engine 16 through a shaft, and a smoke exhaust port of the gas engine 16 is connected to a smoke inlet of the smoke heat exchanger 14 through a smoke exhaust pipeline; the cylinder liner heat exchanger 15 is connected to the gas engine 16, an inlet y of the cylinder liner heat exchanger 15 is connected to a cylinder liner water outlet u of the waste heat exchanger 12, an outlet z of the cylinder liner heat exchanger 15 is connected to a cylinder liner water inlet x of the flue gas heat exchanger 14, and a cylinder liner water outlet w of the flue gas heat exchanger 14 is connected to a cylinder liner water inlet v of the waste heat exchanger 12. The evaporator circulating water pump 19 is arranged on a connecting line between the low-temperature heat source side outlet h of the energy storage building enclosing wall 20 and the low-temperature heat source inlet j of the evaporator 18, the cooling water pump 9 is arranged on a connecting line between the outlet q of the water tank 11 and the cooling water inlet o of the condenser 10, the waste heat recovery circulating water pump 13 is arranged on a connecting line between the cylinder liner water outlet u of the waste heat exchanger 12 and the inlet y of the cylinder liner heat exchanger 15, and the evaporator circulating water pump 19, the cooling water pump 9 and the waste heat recovery circulating water pump 13 are all connected to the inverter 3 through wires. In operation, the gas engine 16 drives the compressor 17 to operate, and the refrigerant absorbs heat from the evaporator 18 and releases heat to the condenser 10; meanwhile, the cylinder sleeve heat exchanger 15 absorbs heat of the gas engine 16, the flue gas heat exchanger 14 absorbs waste heat in flue gas, and the heat of the two parts enters the waste heat exchanger 12 under the drive of the waste heat recovery circulating water pump 13; under the action of the cooling water pump 9, heat in the condenser 10 and the waste heat exchanger 12 enters the water tank 11 to supply energy to the building.
The invention works the process is as follows: the photovoltaic power generation energy storage system converts a part of solar energy into electric energy to be output, the electric energy is stored in the energy storage battery 2, and then the direct current is converted into alternating current through the inverter 3 to supply power to electric equipment of the whole system; meanwhile, the solar heat collecting pipe 4 absorbs heat, and the heat is stored in the energy storage building enclosing wall 20 through the photo-thermal circulating water pump 5, the heat exchanger 6 and the enclosing wall circulating water pump 7; the gas engine heat pump evaporator 18 absorbs heat sources in the energy storage building enclosure 20 through the evaporator circulating water pump 19, and supplies energy to the building through the operation of the gas engine heat pump system.
Claims (8)
1. The solar energy-accumulating type non-electric gas engine heat pump combined cooling heating power system is characterized by comprising a photovoltaic power generation energy storage system which continuously supplies power to the energy-accumulating type non-electric gas engine heat pump combined cooling heating power system and gets rid of dependence on a power grid, a stable micro-working environment is built for the gas engine heat pump system based on renewable energy provided by a solar source, internal environment and outdoor interference factors of a building are isolated, heat is preserved for the building, and energy accumulating type building maintenance structures generated by a building cold bridge and a heat bridge are avoided;
the photovoltaic power generation energy storage system comprises the following components: the photovoltaic battery system comprises a photovoltaic battery array for converting solar energy into electric energy, an energy storage battery for storing the electric energy for uninterrupted power supply in day and night, and an inverter for supplying power to electric equipment;
the energy storage type building maintenance structure comprises: the solar heat collection tube, the heat exchanger and the energy storage building enclosing wall are used for building the photovoltaic cell array in the optimal working temperature environment and realizing all-weather stable and efficient operation of the photovoltaic power generation efficiency; the solar heat collecting pipe is arranged on the photovoltaic cell array, and two ends of the solar heat collecting pipe are respectively connected to a heat collecting side inlet and a heat collecting side outlet of the heat exchanger; the energy storage side outlet and the energy storage side inlet of the heat exchanger are respectively connected to the energy storage side inlet and the energy storage side outlet of the energy storage building enclosing wall;
the gas engine heat pump system comprises a gas engine, a compressor, an evaporator, an expansion valve the device comprises a condenser, a water tank, a waste heat exchanger, a flue gas heat exchanger and a cylinder sleeve heat exchanger; the low-temperature heat source side inlet and the low-temperature heat source side outlet of the energy storage building enclosing wall are respectively connected to the low-temperature heat source outlet and the low-temperature heat source inlet of the evaporator, the evaporator inlet and the evaporator outlet of the evaporator are respectively connected to the outlet of the expansion valve and the air inlet of the compressor, the air outlet of the compressor is connected to the condenser inlet of the condenser, the inlet of the expansion valve is connected to the condenser outlet of the condenser, the cooling water inlet of the condenser is connected to the outlet of the water tank, the cooling water outlet of the condenser is connected to the cooling water inlet of the waste heat exchanger, and the cooling water outlet of the waste heat exchanger is connected to the inlet of the water tank; the compressor is connected with the gas engine through a shaft, and a smoke exhaust port of the gas engine is connected to a smoke inlet of the smoke heat exchanger through a smoke exhaust pipeline; the cylinder sleeve heat exchanger is connected to the gas engine, an inlet of the cylinder sleeve heat exchanger is connected to a cylinder sleeve water outlet of the waste heat exchanger, an outlet of the cylinder sleeve heat exchanger is connected to a cylinder sleeve water inlet of the flue gas heat exchanger, and a cylinder sleeve water outlet of the flue gas heat exchanger is connected to a cylinder sleeve water inlet of the waste heat exchanger.
2. The solar energy storage type non-electric gas engine heat pump combined cooling heating and power system according to claim 1, wherein a photo-thermal circulating water pump is arranged on the solar heat collecting pipe connected with a heat collecting side outlet of the heat exchanger, and the photo-thermal circulating water pump is connected to the inverter through an electric wire.
3. The solar energy storage type non-electric gas engine heat pump cogeneration system according to claim 1, wherein a wall circulating water pump is arranged on a connecting pipeline between an energy storage side inlet of the heat exchanger and an energy storage side outlet of the energy storage building wall, and the wall circulating water pump is connected to the inverter through an electric wire.
4. The solar energy storage type non-electric gas engine heat pump cogeneration system according to claim 1, wherein an evaporator circulating water pump is arranged on a connecting pipe line between a low-temperature heat source side outlet of the energy storage building enclosure and a low-temperature heat source inlet of the evaporator, and the evaporator circulating water pump is connected to the inverter through an electric wire.
5. The solar energy storage type non-electric gas engine heat pump cogeneration system according to claim 1, wherein a cooling water pump is arranged on a connecting pipe line between an outlet of the water tank and a cooling water inlet of the condenser, and the cooling water pump is connected to the inverter through an electric wire.
6. The solar energy storage type non-electric gas engine heat pump cogeneration system according to claim 1, wherein a waste heat recovery circulating water pump is arranged on a connecting pipe line between a cylinder liner water outlet of the waste heat exchanger and an inlet of the cylinder liner heat exchanger, and the waste heat recovery circulating water pump is connected to the inverter through an electric wire.
7. The solar energy storage type non-electric gas engine heat pump cogeneration system according to claim 1, wherein the photovoltaic cell array comprises a plurality of photovoltaic cells which are connected in series, and the photovoltaic cells are one of monocrystalline silicon cells, polycrystalline silicon cells, amorphous silicon cells and thin film cells.
8. The solar energy storage type non-electric gas engine heat pump cogeneration system of claim 1, wherein the solar heat collecting pipes are uniformly arranged on the back surface of the photovoltaic cell array.
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