CN101963412A - Solar energy and electric energy combined heat pump system and cooling and heating method - Google Patents

Solar energy and electric energy combined heat pump system and cooling and heating method Download PDF

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Publication number
CN101963412A
CN101963412A CN 201010510300 CN201010510300A CN101963412A CN 101963412 A CN101963412 A CN 101963412A CN 201010510300 CN201010510300 CN 201010510300 CN 201010510300 A CN201010510300 A CN 201010510300A CN 101963412 A CN101963412 A CN 101963412A
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heat
heat pump
solution
pump unit
working media
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CN101963412B (en
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王林
马爱华
赵士阳
王雨
白朝勤
周西文
谈莹莹
任秀宏
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Henan University of Science and Technology
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Henan University of Science and Technology
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Abstract

The invention discloses a solar energy and electric energy combined heat pump system and a cooling and heating method. The heat pump system comprises a solar energy absorption heat pump unit, an intermediate work medium circulating device and a compression heat pump unit, wherein a solar drive absorption heat pump drives the absorption heat pump unit to prepare a lower-temperature intermediate work medium or higher-temperature intermediate work medium; the intermediate work medium bears partial/all cold energy/heat energy required by a user through first heat mass exchange equipment, and enters an intermediate heat exchanger of the compression heat pump unit for heat exchange; and the cold energy/heat energy contained in the intermediate work medium is recycled once again through the heat pump unit so as to save the electric consumption of the compressor of the compression heat pump unit. The system realizes high-efficiency utilization of a low-level renewable energy source solar energy, and has the advantages of stable and reliable operation, efficient energy utilization, good energy-saving effect and wild application prospect.

Description

Solar energy and electric energy associated working combined heat pump system and refrigerating and heating method
Technical field
The present invention relates to technical field of heat pumps, relate in particular to absorption heat pump and compression heat pump.
Background technology
The Driven by Solar Energy absorption heat pump is driving force with solar energy, is absorbent with lithium bromide water solution or ammonia spirit, is cold-producing medium with water, ammonia, and energy-conserving and environment-protective are one of better refrigeration modes that replace electrically driven (operated) compression heat pump.Yet the Driven by Solar Energy absorption heat pump exists that occurrence temperature is had relatively high expectations, the auxiliary heating of needs, unit efficiency are low, intensity of sunshine changes shortcomings such as presenting discontinuous operation, limits it and applies.
Electric energy drive compression formula heat pump has advantages such as the user's of satisfying hot-cool demand, continous-stable operation, yet the compression heat pump consumption that electric energy drives is high-grade electric energy, does not have the energy-saving and emission-reduction advantage.In addition, a large amount of uses of the compression heat pump of electric energy driving also cause " electric power peak valley " problem in summer in winter easily.
Summary of the invention
The solar energy and the electric energy associated working combined heat pump system that the purpose of this invention is to provide a kind of low power consumption provide the refrigerating and heating method that adopts this system to realize simultaneously.
For achieving the above object, system of the present invention adopts following technical scheme: a kind of solar energy and electric energy associated working combined heat pump system, comprise being used for and indoor heat-mass exchange equipment of carrying out heat exchange, also comprise solar absorption heat pump unit, middle working media EGR and compression heat pump unit; The solar absorption heat pump unit comprises generator, condenser, evaporimeter and absorber, described generator has solution inlet port, taphole and steam (vapor) outlet, be provided with the spiral heater that is used for the heating of wherein working medium solution in the generator, be connected with the low grade heat energy heater between the import and export of spiral heater, described absorber has refrigerant inlet, the absorber solution inlet port, with the absorber taphole, be equipped with the cooling device that is used for the fluid temperature reduction in it in described condenser and the absorber, described evaporimeter has import, outlet and in establish be serially connected with described in the middle of heat exchange coil on the working media EGR, the steam (vapor) outlet of described generator is serially connected with condenser successively by pipeline, the first throttle parts, first check valve, the taphole of generator inserts the high temperature side passage of solution heat exchanger by pipeline, the downstream pipeline of the high temperature side channel outlet of solution heat exchanger is divided into two-way, lead up to and link to each other with the solution inlet port of absorber through first control valve, another road second control valve converges with the forward outlet of described first check valve again and links to each other with evaporator, evaporimeter 5) outlet links to each other with the refrigerant inlet of absorber, and the absorber taphole of absorber is connected in series solution pump successively by pipeline, insert the solution inlet port of generator behind the low temperature side passage of solution heat exchanger; Described heat-mass exchange equipment is first heat-mass exchange equipment and second heat-mass exchange equipment that is connected the compression heat pump unit of working media EGR in the middle of connecting; Be provided with in-between Intermediate Heat Exchanger between working media EGR and the compression heat pump unit in the middle of described, comprise the middle working media passage of the middle working media EGR of access that can carry out heat exchange mutually and the refrigeration working medium passage of access compression heat pump unit in the described Intermediate Heat Exchanger; The working media EGR comprises circulating pump that the mobile forward by pipeline longshore current body is connected in series successively, is located at heat exchange coil in the described evaporimeter, is located at the middle working media passage in described first heat-mass exchange equipment, the middle working media passage of Intermediate Heat Exchanger in the middle of described; Described compression heat pump unit comprises compressor, four-way change-over valve, outdoor heat exchanger, the refrigeration working medium passage of Intermediate Heat Exchanger, the refrigeration working medium passage of second heat-mass exchange equipment, described exhaust outlet of compressor links to each other with the four-way change-over valve inlet, four-way change-over valve is totally three outlets, respectively with the compressor air suction mouth, a port of the refrigeration working medium passage of second heat-mass exchange equipment, a port of outdoor heat exchanger links to each other, and another port of outdoor heat exchanger is by the refrigeration working medium passage of pipeline and Intermediate Heat Exchanger, second throttle part, another port of refrigeration working medium passage of second heat-mass exchange equipment connects successively.
Cooling device provides the cooling coil of cold for what be provided with respectively in described condenser and the absorber by cooling tower or river, underground water in described condenser and the absorber.
Described low grade heat energy heater is heat cycles pump, solar thermal collector, the auxiliary heater that the port of export from spiral heater is connected in series by pipeline successively to entrance point.
It is lithium bromide water solution or ammonia spirit that described solar absorption heat pump unit adopts working medium solution, working media was water, saline solution or ethylene glycol solution in the middle of the working media EGR adopted in the middle of described, and described compression heat pump unit refrigeration working medium is HFC class or HC class cold-producing medium.
Described first heat-mass exchange equipment is radiant panel, air cooling fin pipe heat exchanger or spray chamber, and described second heat-mass exchange equipment is water-cooled heat exchanger or air-cooled heat exchanger.
Be serially connected with the refrigerant liquid storage tank between described condenser and the first throttle parts, be serially connected with the solution storage tank on the downstream pipeline of the high temperature side channel outlet of described solution heat exchanger, the described pipeline that is divided into two-way is that the exit from described solution storage tank is separated.
Method of the present invention adopts following technical scheme: but solar absorption heat pump unit and the both associated working of compression heat pump unit also can work independently; When solar absorption heat pump unit and the work of compression heat pump unit associations, utilize Driven by Solar Energy absorption heat pump unit to produce middle working media of lower temperature or the middle working media of higher temperature, middle working media is born the required part cold energy/heat energy of user through first heat-mass exchange equipment earlier, enter the first heat exchanger heat exchange of compression heat pump unit again, cold energy/heat energy that working media is contained in the middle of recycling once more by the source pump unit is supplied with the user; When the solar absorption heat pump unit works alone, utilize Driven by Solar Energy absorption heat pump unit to produce middle working media of lower temperature or the middle working media of higher temperature, bear the required whole cold energy/heat energy of user through first heat-mass exchange equipment; When the compression heat pump unit worked alone, the compression heat pump unit provided the user required whole cold energy/heat energy by second heat-mass exchange equipment.
Described solar energy and electric energy associated working combined heat pump system are with refrigeration mode or heating mode work; Be serially connected with the refrigerant liquid storage tank between described condenser and the first throttle parts, be serially connected with the solution storage tank on the downstream pipeline of the high temperature side channel outlet of described solution heat exchanger, the described pipeline that is divided into two-way is that the exit from described solution storage tank is separated; When work with refrigeration mode in Driven by Solar Energy absorption heat pump unit, first control valve is opened, second control valve is closed, during refrigeration mode work, the pyrosol that utilizes solar energy indirect generator to be produced enters the solution storage tank after entering solution heat exchanger and the heat exchange of low temperature side solution, part solution is stored in the solution storage tank, another part solution enters that absorber absorbs the refrigerant vapour of flash-pot and the low solution of the temperature that is cooled, and flows into generator again after sending into solution heat exchanger by solution pump again; In the generator working medium solution be heated the refrigerant vapour that produces become liquid to enter the refrigerant liquid storage tank again through condenser condenses, part liquid refrigerant is stored in the refrigerant liquid storage tank, another part after the first throttle parts are by the throttling step-down, become the cryogenic liquid cold-producing medium enter in evaporimeter and the heat exchange coil in the middle of the working media heat exchange be vaporized into refrigerant vapour, the working media temperature is reduced to below 20 ℃ in the middle of in the heat exchange coil, when first heat-mass exchange equipment undertakes the whole thing the required cold of user side, the compression heat pump unit quits work, only Driven by Solar Energy absorption heat pump and middle working media EGR work, the refrigerating capacity that provides the Driven by Solar Energy absorption heat pump satisfies the chilling requirement requirement of user institute, when first heat-mass exchange equipment and second heat-mass exchange equipment are born the required cold of user side jointly, the Driven by Solar Energy absorption heat pump, all work in middle working media EGR and compression heat pump unit, the Driven by Solar Energy absorption heat pump drives the absorption heat pump unit and produces the middle working media of lower temperature, middle working media is directly born the required part cold energy of user through first heat-mass exchange equipment earlier, enter the first heat exchanger heat exchange of compression heat pump unit again, recycle the cold energy that middle working media is contained once more by the source pump unit, when second heat-mass exchange equipment is independently born the required cold of user side, Driven by Solar Energy absorption heat pump and middle working media EGR all quit work, and the required cold of user is produced in the compression heat pump unit; When heating mode was worked, second control valve was opened, and first control valve is closed; The pyrosol that utilizes solar energy indirect generator to be produced enters the solution storage tank after entering solution heat exchanger and the heat exchange of low temperature side solution, part solution is stored in the solution storage tank, another part solution enters the evaporimeter absorption and is cooled to lower temperature solution from the refrigerant vapour of generator and by middle working media in the heat exchange coil, and lower temperature solution inflow absorber flows into generator after sending into solution heat exchanger by solution pump again; The interior working medium solution of generator is heated the refrigerant vapour that produces and flows through condenser successively, entering evaporimeter behind the refrigerant liquid storage tank is absorbed by the solution from the solution storage tank, absorption process discharges absorption heat and is used to heat middle working media in the heat exchange coil, the working media temperature rises to more than 30 ℃ in the middle of in the heat exchange coil, when first heat-mass exchange equipment undertakes the whole thing the required thermic load of user side, the compression heat pump unit quits work, only Driven by Solar Energy absorption heat pump and middle working media EGR work, the Driven by Solar Energy absorption heat pump provides heating capacity to satisfy the required thermic load requirement of user, when first heat-mass exchange equipment and second heat-mass exchange equipment are born the required thermic load of user side jointly, the Driven by Solar Energy absorption heat pump, all work in middle working media EGR and compression heat pump unit, the Driven by Solar Energy absorption heat pump drives the absorption heat pump unit and produces the middle working media of higher temperature, middle working media is directly born the required portion of hot load of user through first heat-mass exchange equipment earlier, enter the first heat exchanger heat exchange of compression heat pump unit again, recycle the heat energy that middle working media is contained once more by the source pump unit, when second heat-mass exchange equipment is independently born the required thermic load of user side, Driven by Solar Energy absorption heat pump and middle working media EGR all quit work, and the required heat energy of user is produced in the compression heat pump unit.
Effect of the present invention and benefit are that working media is born the required part cold energy/heat energy of user in the middle of utilizing middle working media of Driven by Solar Energy absorption heat pump lower temperature that the unit is produced or higher temperature, and the cold energy that contained of working media/heat energy is supplied with the user in the middle of recycling once more by the source pump unit, thereby realize cold energy/heat energy classification utilization.
Further, be that latent heat or sensible heat store by refrigerant liquid storage tank and solution storage tank are set with conversion of solar energy, with the assurance system in night or cloudy continuous operation.
The also associated working but Driven by Solar Energy absorption heat pump of the present invention and electric energy drive compression formula heat pump can work independently, when solar energy is sufficient, the Driven by Solar Energy absorption heat pump works alone provides cold energy/heat energy can satisfy user's hot-cool demand, and energy-saving effect is best; When solar energy was not too sufficient, Driven by Solar Energy absorption heat pump and electric energy drive compression formula heat pump provided the user required cold energy/heat energy jointly, and energy-saving effect is better; When absorption heat pump can't be worked, electric energy drive compression formula heat pump can independently be born the required cold energy/heat energy of user.This system realizes the efficient utilization of low-grade regenerative resource such as solar energy, has stable and reliable operation, efficiency of energy utilization, good energy-conserving effect, has a extensive future.
Description of drawings
Fig. 1 is the structural principle schematic diagram of the embodiment of heat pump of the present invention.
The specific embodiment
As shown in Figure 1, a kind of embodiment of solar energy of the present invention and electric energy associated working combined heat pump system comprises solar absorption heat pump unit, middle working media EGR and compression heat pump unit three parts.The arrow display direction is the forward that fluid flows among the figure.In this embodiment, it is lithium bromide water solution that described solar absorption heat pump unit adopts working medium solution, and working media was a water in the middle of described middle working media EGR adopted, and described compression heat pump unit refrigeration working medium is a HFC class cold-producing medium.Certainly in other embodiments of the present invention, described solar absorption heat pump unit or employing ammonia spirit are working medium solution, working media EGR or employing saline solution or ethylene glycol solution are middle working media in the middle of described, and described compression heat pump unit or employing HC class cold-producing medium are refrigeration working medium.
Described solar absorption heat pump unit comprises generator 1, condenser 2, refrigerant liquid storage tank 3, first throttle parts 4, the first check valve 8b, evaporimeter 5, absorber 6, solution pump 7, solution heat exchanger 9, solution storage tank 3a, first control valve 8, the second control valve 8a.The structure of the absorber in the solar absorption heat pump unit, generator, condenser, evaporimeter, throttle part and existing absorption type heat pump structure are similar.Described generator 1 is provided with solution inlet port, taphole and steam (vapor) outlet, be provided with in the generator 1 and be used to heat the spiral heater 22 that flows into the working medium solution in the generator 1, be connected with the low grade heat energy heater between the import and export of spiral heater 22, low grade heat energy heater among this embodiment of the present invention is the heat cycles pump 20 that the port of export from spiral heater 22 is connected in series by pipeline successively to entrance point, solar thermal collector 19, auxiliary heater 21, solar thermal collector 19 can be to carrying heating-supplied hot water in the spiral heater 22, the auxiliary heater 21 of combustion gas or fuel oil can provide auxiliary heating when shining upon deficiency.In other embodiments of the present invention, the low grade heat energy heater can only be provided with solar thermal collector and auxiliary heater is not set.Described absorber 6 has refrigerant inlet, absorber solution inlet port and absorber taphole, and wherein the spray thrower of establishing in absorber solution inlet port and the absorber 6 is communicated with.Be provided with in the described evaporimeter 5 be serially connected with described in the middle of heat exchange coil 5a in the working media EGR, evaporimeter 5 has import and outlet, evaporator is communicated with spray thrower in the evaporimeter 5.Be respectively equipped with first cooling coil 17 in described condenser 2 and the absorber 6 and the required cooling water of second cooling coil, 18, two cooling coils is provided by cooling tower, also can effluent water or the water source of lower temperature such as underground water provide.Described first throttle parts 4 can be selected U bend stream valve, manual throttle valve, heating power expansion valve or electric expansion valve.Described solution heat exchanger 9 has the low temperature side passage and the high temperature side passage that can carry out heat exchange mutually.
The steam (vapor) outlet of generator 1 and condenser 2, refrigerant liquid storage tank 3, first throttle parts 4, the first check valve 8b forward import connects successively, the taphole of generator 1 links to each other with the solution inlet port of solution heat exchanger 9 high temperature side passages, the taphole of the high temperature side passage of solution heat exchanger 9 links to each other with solution storage tank 3a, the outlet of solution storage tank 3a is divided into two-way, one the tunnel links to each other with the solution inlet port of absorber 6 through first control valve 8, another road second control valve 8a converges with the outlet of the first check valve 8b forward again and links to each other with evaporimeter 5 imports, the outlet of evaporimeter 5 links to each other with the refrigerant inlet of absorber 6, the absorber taphole of absorber 6 passes through pipeline, solution pump 7 inserts the solution inlet port of the low temperature side passage of solution heat exchanger 9, and the taphole of the low temperature side passage of solution heat exchanger 9 links to each other with the solution inlet port of generator 1.
The working media EGR comprises circulating pump 7a that the mobile forward by pipeline longshore current body is connected in series successively, is located at the heat exchange coil 5a in the described evaporimeter 5, the middle working media passage of first heat-mass exchange equipment 10, the middle working media passage of Intermediate Heat Exchanger 11 in the middle of described.Described Intermediate Heat Exchanger 11 is between middle working media EGR and compression heat pump unit heat-exchanger rig between the two, the middle working media passage that had wherein both comprised working media EGR in the middle of inserting, comprise the refrigeration working medium passage that inserts the compression heat pump unit again, the Intermediate Heat Exchanger 11 in the embodiments of the invention can be selected plate type heat exchanger, double pipe heat exchanger or shell and tube exchanger.First heat-mass exchange equipment 10 is responsible for to room cooling or heat supply, and first heat-mass exchange equipment 10 in the embodiments of the invention is radiant panel, air cooling fin pipe heat exchanger or spray chamber.
Described compression heat pump unit and of the prior art roughly the same with electric energy compressor driven formula air conditioner structure, comprise compressor 15, four-way change-over valve 14, outdoor heat exchanger 16, the refrigeration working medium passage of Intermediate Heat Exchanger 11, the refrigeration working medium passage of second heat-mass exchange equipment 13, compressor 15 exhaust outlets link to each other with four-way change-over valve 14 inlets, four-way change-over valve 14 is totally three outlets, respectively with compressor 15 air entries, a port of the refrigeration working medium passage of second heat-mass exchange equipment 13, a port of outdoor heat exchanger 16 links to each other, and another port of outdoor heat exchanger 16 is by the refrigeration working medium passage of pipeline and Intermediate Heat Exchanger 11, second throttle part 12, another port of refrigeration working medium passage of second heat-mass exchange equipment 13 connects successively.
Second heat-mass exchange equipment 13 is responsible for to room cooling or heat supply, and first heat-mass exchange equipment 13 in the embodiments of the invention is water-cooled heat exchanger or air-cooled heat exchanger.Described second throttle part 12 can be selected capillary, heating power expansion valve or electric expansion valve commonly used in the prior art.Outdoor heat exchanger 16 is responsible for and the external environment heat exchange, and the outdoor heat exchanger 16 in the embodiments of the invention can be selected air-cooled hot heat exchange or water-cooled heat exchanger commonly used in the prior art.
But solar absorption heat pump unit in the above embodiment of the present invention and the both associated working of compression heat pump unit also can work independently; When solar absorption heat pump unit and the work of compression heat pump unit associations, utilize Driven by Solar Energy absorption heat pump unit to produce middle working media of lower temperature or the middle working media of higher temperature, middle working media is born the needed part cold energy/heat energy of user through first heat-mass exchange equipment earlier, enter the refrigeration working medium heat exchange in Intermediate Heat Exchanger and the compression heat pump unit again, cold energy/heat energy that working media is contained in the middle of recycling once more by the source pump unit is supplied with the user; When the solar absorption heat pump unit works alone, utilize Driven by Solar Energy absorption heat pump unit to produce middle working media of lower temperature or the middle working media of higher temperature, bear the required whole cold energy/heat energy of user through first heat-mass exchange equipment; When the compression heat pump unit worked alone, the compression heat pump unit provided the user required whole cold energy/heat energy by second heat-mass exchange equipment.
Refrigerant liquid storage tank in the foregoing description among the present invention and solution storage tank are that/heat cold in order to store uses for no sunshine situation, certainly also refrigerant liquid storage tank and solution storage tank can be set in other embodiments of the invention, use the absorption heat pump back work under the sunlight conditions and such embodiment only is set at having, also can realize energy-saving and cost-reducing purpose to a certain extent.
The embodiment of the refrigerating and heating method of solar energy of the present invention and electric energy associated working combined heat pump system, adopt the embodiment of above-mentioned solar energy and electric energy associated working combined heat pump system to work under refrigeration mode or heating mode and realize:
When work with refrigeration mode in Driven by Solar Energy absorption heat pump unit, first control valve 8 is opened, the second control valve 8a closes, during refrigeration mode work, the pyrosol that utilizes solar energy indirect generator 1 to be produced enters solution storage tank 3a after entering solution heat exchange in solution heat exchanger 9 and wherein the low temperature side passage, part solution is stored in solution storage tank 3a, another part solution is through control valve 8, the absorber solution inlet port of absorber 6 enters absorber 6, absorb the refrigerant vapour of flash-pot 5 and be cooled into the lower solution of temperature, after solution pump 7 is sent into solution heat exchanger 9 low temperature side imports, flow into generator 1 by the absorber taphole again again; In the generator 1 working medium solution be heated the refrigerant vapour that produces be condensed into liquid through condenser 2 and enter refrigerant liquid storage tank 3 again, part liquid refrigerant is stored in refrigerant liquid storage tank 3, another part after first throttle parts 4 are by the throttling step-down, become the cryogenic liquid cold-producing medium enter in evaporimeter 5 and the heat exchange coil 5a in the middle of the working media heat exchange be vaporized into refrigerant vapour, refrigerant vapour enters in the absorber 6 through the refrigerant inlet of evaporimeter 5 outlets, absorber 6.The working media temperature is reduced to below 20 ℃ in the middle of in the described heat exchange coil 5a, when first heat-mass exchange equipment 10 undertakes the whole thing the required cold of user side, the compression heat pump unit quits work, only Driven by Solar Energy absorption heat pump and middle working media EGR work, the refrigerating capacity that provides the Driven by Solar Energy absorption heat pump satisfies the chilling requirement requirement of user institute, when first heat-mass exchange equipment 10 and second heat-mass exchange equipment 13 are born the required cold of user side jointly, the Driven by Solar Energy absorption heat pump, all work in middle working media EGR and compression heat pump unit, the Driven by Solar Energy absorption heat pump drives the absorption heat pump unit and produces the middle working media of lower temperature, middle working media is directly born the required part cold energy of user through first heat-mass exchange equipment 10 earlier, enter Intermediate Heat Exchanger 11 heat exchange of compression heat pump unit again, recycle the cold energy that middle working media is contained once more by the source pump unit, when second heat-mass exchange equipment 13 is independently born the required cold of user side, Driven by Solar Energy absorption heat pump and middle working media EGR all quit work, and the required cold of user is produced in the compression heat pump unit.
When work with heating mode in Driven by Solar Energy absorption heat pump unit, the second control valve 8a opens, and first control valve 8 is closed; The pyrosol that utilizes solar energy indirect generator 1 to be produced enters solution storage tank 3a after entering solution heat exchanger 9 and the heat exchange of low temperature side solution, part solution is stored in solution storage tank 3a, another part solution through pipeline and control valve 8a enter evaporimeter 5 absorb from the refrigerant vapour of generator 1 and in the middle of in by heat exchange coil 5a working media be cooled to lower temperature solution, lower temperature solution inflow absorber 6 flows into generator 1 after sending into solution heat exchanger 9 by solution pump 7 again; Generator 1 interior working medium solution is heated the refrigerant vapour that produces and flows through condenser (frozen-free process) successively, entering evaporimeter 5 behind the refrigerant liquid storage tank 3 is absorbed by the solution from solution storage tank 3a, absorption process discharges absorption heat and is used to heat middle working media in the heat exchange coil 5a, the working media temperature rises to more than 30 ℃ in the middle of in the heat exchange coil 5a, when first heat-mass exchange equipment 10 undertakes the whole thing the required thermic load of user side, the compression heat pump unit quits work, only Driven by Solar Energy absorption heat pump and middle working media EGR work, the Driven by Solar Energy absorption heat pump provides heating capacity to satisfy the required thermic load requirement of user, when first heat-mass exchange equipment 10 and second heat-mass exchange equipment 13 are born the required thermic load of user side jointly, the Driven by Solar Energy absorption heat pump, all work in middle working media EGR and compression heat pump unit, the Driven by Solar Energy absorption heat pump drives the absorption heat pump unit and produces the middle working media of higher temperature, middle working media is directly born the required portion of hot load of user through first heat-mass exchange equipment 10 earlier, enter Intermediate Heat Exchanger 11 heat exchange of compression heat pump unit again, recycle the heat energy that middle working media is contained once more by the source pump unit, when second heat-mass exchange equipment is independently born the required thermic load of user side, Driven by Solar Energy absorption heat pump and middle working media EGR all quit work, and the required heat energy of user is produced in the compression heat pump unit.
Described refrigerant liquid storage tank 3 is arranged between condenser 2 and the first throttle parts 4 in order to the storaging liquid cold-producing medium, described solution storage tank 3a is arranged between high temperature side taphole, first control valve 8 and the second control valve 8a of solution heat exchanger 9 and is used for storage solutions, refrigerant liquid storage tank and solution storage tank are that latent heat or sensible heat store on the daytime that sunlight is arranged with conversion of solar energy, with the assurance system in night or cloudy continuous operation.When night or when cloudy day illumination is all the time penetrated and absorption heat pump is worked with refrigeration mode, refrigerant liquid storage tank 3 inner refrigerants after 4 throttlings of first throttle parts, enter in the evaporimeter 5 with heat exchange coil 5a in the middle of working media heat exchange and be vaporizated into refrigerant vapour, enter absorber 6 again and absorbed from the solution in the solution storage tank 3a, the solution after being cooled in the absorber 6 is sent solution storage tank 3a back to again through solution pump 7; When night or when cloudy day illumination is all the time penetrated and absorption heat pump is worked with heat supply mode, working media heat exchange in the middle of the higher solution of temperature in the solution storage tank 3a is sent in evaporimeter 5 and the heat exchange coil 5a by solution pump 7, solution temperature descends, and middle working media temperature raises.

Claims (8)

1. solar energy and electric energy associated working combined heat pump system comprise being used for and indoor heat-mass exchange equipment of carrying out heat exchange, it is characterized in that: also comprise solar absorption heat pump unit, middle working media EGR and compression heat pump unit; The solar absorption heat pump unit comprises generator (1), condenser (2), evaporimeter (5) and absorber (6), described generator (1) has solution inlet port, taphole and steam (vapor) outlet, be provided with the spiral heater (22) that is used for the heating of wherein working medium solution in the generator (1), be connected with the low grade heat energy heater between the import and export of spiral heater (22), described absorber (6) has refrigerant inlet, the absorber solution inlet port, with the absorber taphole, be equipped with the cooling device that is used for the fluid temperature reduction in it in described condenser and the absorber, described evaporimeter (5) has import, outlet and in establish be serially connected with described in the middle of heat exchange coil (5a) on the working media EGR, the steam (vapor) outlet of described generator (1) is serially connected with condenser (2) successively by pipeline, first throttle parts (4), first check valve (8b), the taphole of generator (1) inserts the high temperature side passage of solution heat exchanger (9) by pipeline, the downstream pipeline of the high temperature side channel outlet of solution heat exchanger (9) is divided into two-way, lead up to and link to each other through the solution inlet port of first control valve (8) with absorber (6), another road second control valve (8a) converges with the forward outlet of described first check valve (8b) again and links to each other with evaporimeter (5) import, the outlet of evaporimeter (5) links to each other with the refrigerant inlet of absorber (6), and the absorber taphole of absorber (6) is connected in series solution pump (7) successively by pipeline, insert the solution inlet port of generator (1) behind the low temperature side passage of solution heat exchanger (9); Described heat-mass exchange equipment is first heat-mass exchange equipment (10) and second heat-mass exchange equipment (13) that is connected the compression heat pump unit of working media EGR in the middle of connecting; Be provided with in-between Intermediate Heat Exchanger (11) between working media EGR and the compression heat pump unit in the middle of described, comprise the middle working media passage of the middle working media EGR of access that can carry out heat exchange mutually and the refrigeration working medium passage of access compression heat pump unit in the described Intermediate Heat Exchanger (11); The working media EGR comprises circulating pump (7a) that the mobile forward by pipeline longshore current body is connected in series successively, is located at heat exchange coil (5a) in the described evaporimeter (5), is located at the middle working media passage in described first heat-mass exchange equipment (10), the middle working media passage of Intermediate Heat Exchanger (11) in the middle of described; Described compression heat pump unit comprises compressor (15), four-way change-over valve (14), outdoor heat exchanger (16), the refrigeration working medium passage of Intermediate Heat Exchanger (11), the refrigeration working medium passage of second heat-mass exchange equipment (13), described compressor (15) exhaust outlet links to each other with four-way change-over valve (14) inlet, four-way change-over valve (14) is totally three outlets, respectively with compressor (15) air entry, a port of the refrigeration working medium passage of second heat-mass exchange equipment (13), a port of outdoor heat exchanger (16) links to each other, and another port of outdoor heat exchanger (16) is by the refrigeration working medium passage of pipeline and Intermediate Heat Exchanger (11), second throttle part (12), another port of refrigeration working medium passage of second heat-mass exchange equipment (13) connects successively.
2. solar energy according to claim 1 and electric energy associated working combined heat pump system is characterized in that: in described condenser and the absorber cooling device be provided with respectively in described condenser (2) and the absorber (6) provide the cooling coil of cold by cooling tower or river, underground water.
3. solar energy according to claim 1 and electric energy associated working combined heat pump system is characterized in that: described low grade heat energy heater is heat cycles pump (20), solar thermal collector (19), the auxiliary heater (21) that the port of export from spiral heater (22) is connected in series by pipeline successively to entrance point.
4. solar energy according to claim 1 and electric energy associated working combined heat pump system, it is characterized in that: it is lithium bromide water solution or ammonia spirit that described solar absorption heat pump unit adopts working medium solution, working media was water, saline solution or ethylene glycol solution in the middle of the working media EGR adopted in the middle of described, and described compression heat pump unit refrigeration working medium is HFC class or HC class cold-producing medium.
5. solar energy according to claim 1 and electric energy associated working combined heat pump system, it is characterized in that: described first heat-mass exchange equipment (10) is radiant panel, air cooling fin pipe heat exchanger or spray chamber, and described second heat-mass exchange equipment (13) is water-cooled heat exchanger or air-cooled heat exchanger.
6. according to any described solar energy in the claim 1~5 and electric energy associated working combined heat pump system, it is characterized in that: be serially connected with refrigerant liquid storage tank (3) between described condenser (3) and the first throttle parts (4), be serially connected with solution storage tank (3a) on the downstream pipeline of the high temperature side channel outlet of described solution heat exchanger (9), the described pipeline that is divided into two-way is that the exit from described solution storage tank (3a) is separated.
7. the refrigerating and heating method of solar energy as claimed in claim 1 and electric energy associated working combined heat pump system is characterized in that: but solar absorption heat pump unit and the both associated working of compression heat pump unit also can work independently; When solar absorption heat pump unit and the work of compression heat pump unit associations, utilize Driven by Solar Energy absorption heat pump unit to produce middle working media of lower temperature or the middle working media of higher temperature, middle working media is born the required part cold energy/heat energy of user through first heat-mass exchange equipment earlier, enter the first heat exchanger heat exchange of compression heat pump unit again, cold energy/heat energy that working media is contained in the middle of recycling once more by the source pump unit is supplied with the user; When the solar absorption heat pump unit works alone, utilize Driven by Solar Energy absorption heat pump unit to produce middle working media of lower temperature or the middle working media of higher temperature, bear the required whole cold energy/heat energy of user through first heat-mass exchange equipment; When the compression heat pump unit worked alone, the compression heat pump unit provided the user required whole cold energy/heat energy by second heat-mass exchange equipment.
8. method according to claim 7 is characterized in that: described solar energy and electric energy associated working combined heat pump system are with refrigeration mode or heating mode work; Be serially connected with refrigerant liquid storage tank (3) between described condenser (3) and the first throttle parts (4), be serially connected with solution storage tank (3a) on the downstream pipeline of the high temperature side channel outlet of described solution heat exchanger (9), the described pipeline that is divided into two-way is that the exit from described solution storage tank (3a) is separated; When work with refrigeration mode in Driven by Solar Energy absorption heat pump unit, first control valve (8) is opened, second control valve (8a) is closed, during refrigeration mode work, the pyrosol that utilizes solar energy indirect generator (1) to be produced enters solution storage tank (3a) after entering solution heat exchanger (9) and the heat exchange of low temperature side solution, part solution is stored in solution storage tank (3a), another part solution enters absorber (6) and absorbs the refrigerant vapour of flash-pot (5) and the low solution of the temperature that is cooled, and flows into generator (1) again after sending into solution heat exchanger (9) by solution pump (7) again; The interior working medium solution of generator (1) be heated the refrigerant vapour that produces be condensed into liquid through condenser (2) and enter refrigerant liquid storage tank (3) again, part liquid refrigerant is stored in refrigerant liquid storage tank (3), another part becomes the cryogenic liquid cold-producing medium and enters that centre working media heat exchange is vaporized into refrigerant vapour in evaporimeter (5) and the heat exchange coil (5a) after first throttle parts (4) are by the throttling step-down, the working media temperature is reduced to below 20 ℃ in the middle of in the heat exchange coil (5a), when first heat-mass exchange equipment (10) undertakes the whole thing the required cold of user side, the compression heat pump unit quits work, only Driven by Solar Energy absorption heat pump and middle working media EGR work, the refrigerating capacity that provides the Driven by Solar Energy absorption heat pump satisfies the chilling requirement requirement of user institute, when first heat-mass exchange equipment (10) and second heat-mass exchange equipment (13) are born the required cold of user side jointly, the Driven by Solar Energy absorption heat pump, all work in middle working media EGR and compression heat pump unit, the Driven by Solar Energy absorption heat pump drives the absorption heat pump unit and produces the middle working media of lower temperature, middle working media is directly born the required part cold energy of user through first heat-mass exchange equipment (10) earlier, enter first heat exchanger (11) heat exchange of compression heat pump unit again, recycle the cold energy that middle working media is contained once more by the source pump unit, when second heat-mass exchange equipment (13) is independently born the required cold of user side, Driven by Solar Energy absorption heat pump and middle working media EGR all quit work, and the required cold of user is produced in the compression heat pump unit; When heating mode was worked, second control valve (8a) was opened, and first control valve (8) is closed; The pyrosol that utilizes solar energy indirect generator (1) to be produced enters solution storage tank (3a) after entering solution heat exchanger (9) and the heat exchange of low temperature side solution, part solution is stored in solution storage tank (3a), another part solution enters evaporimeter (5) absorption and is cooled to lower temperature solution from the refrigerant vapour of generator (1) and by middle working media in the heat exchange coil (5a), and lower temperature solution inflow absorber (6) flows into generator (1) after sending into solution heat exchanger (9) by solution pump (7) again; The interior working medium solution of generator (1) is heated the refrigerant vapour that produces and flows through condenser (frozen-free process) successively, entering evaporimeter (5) behind the refrigerant liquid storage tank (3) is absorbed by the solution from solution storage tank (3a), absorption process discharges absorption heat and is used to heat middle working media in the heat exchange coil (5a), the working media temperature rises to more than 30 ℃ in the middle of in the heat exchange coil (5a), when first heat-mass exchange equipment (10) undertakes the whole thing the required thermic load of user side, the compression heat pump unit quits work, only Driven by Solar Energy absorption heat pump and middle working media EGR work, the Driven by Solar Energy absorption heat pump provides heating capacity to satisfy the required thermic load requirement of user, when first heat-mass exchange equipment (10) and second heat-mass exchange equipment (13) are born the required thermic load of user side jointly, the Driven by Solar Energy absorption heat pump, all work in middle working media EGR and compression heat pump unit, the Driven by Solar Energy absorption heat pump drives the absorption heat pump unit and produces the middle working media of higher temperature, middle working media is directly born the required portion of hot load of user through first heat-mass exchange equipment (10) earlier, enter first heat exchanger (11) heat exchange of compression heat pump unit again, recycle the heat energy that middle working media is contained once more by the source pump unit, when second heat-mass exchange equipment is independently born the required thermic load of user side, Driven by Solar Energy absorption heat pump and middle working media EGR all quit work, and the required heat energy of user is produced in the compression heat pump unit.
CN201010510300A 2010-10-18 2010-10-18 Solar energy and electric energy combined heat pump system and cooling and heating method Expired - Fee Related CN101963412B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102116466A (en) * 2011-04-01 2011-07-06 上海汉卓能源科技有限公司 Device and method for producing high-parameter steam
CN102116539A (en) * 2011-03-31 2011-07-06 中国科学院广州能源研究所 Adsorption and compression composite heat pump system driven by multiple heat sources
CN102628624A (en) * 2012-04-25 2012-08-08 上禾谷能源科技(北京)有限公司 Cascade lithium bromide refrigeration and cold storage system
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WO2014111017A1 (en) * 2013-01-21 2014-07-24 深圳市庄合智能产业科技有限公司 External cold and heat balance unit
WO2014111011A1 (en) * 2013-01-21 2014-07-24 深圳市庄合智能产业科技有限公司 Cold and heat balance system combining lithium bromide unit and cold storage
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1285491A (en) * 1999-08-24 2001-02-28 易元明 Phase change cold-refrigerating method and circulation system thereof
CN201488386U (en) * 2009-08-06 2010-05-26 珠海格力电器股份有限公司 Two-stage coupling heat pump unit
WO2010096863A1 (en) * 2009-02-25 2010-09-02 Renewable Energy Systems Limited A heat pump, a combined heating and cooling system, a power generation system and a solar collector
CN201819480U (en) * 2010-10-18 2011-05-04 河南科技大学 High-efficiency and energy-saving heat pump device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1285491A (en) * 1999-08-24 2001-02-28 易元明 Phase change cold-refrigerating method and circulation system thereof
WO2010096863A1 (en) * 2009-02-25 2010-09-02 Renewable Energy Systems Limited A heat pump, a combined heating and cooling system, a power generation system and a solar collector
CN201488386U (en) * 2009-08-06 2010-05-26 珠海格力电器股份有限公司 Two-stage coupling heat pump unit
CN201819480U (en) * 2010-10-18 2011-05-04 河南科技大学 High-efficiency and energy-saving heat pump device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
《河南科技大学学报》 20090831 马爱华,王林 一种新型太阳能制冷系统 65-67 1-8 第30卷, 第4期 2 *

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