CN101788205A - Highly-efficient air energy water source heat pump integrated unit - Google Patents

Highly-efficient air energy water source heat pump integrated unit Download PDF

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Publication number
CN101788205A
CN101788205A CN201010005518A CN201010005518A CN101788205A CN 101788205 A CN101788205 A CN 101788205A CN 201010005518 A CN201010005518 A CN 201010005518A CN 201010005518 A CN201010005518 A CN 201010005518A CN 101788205 A CN101788205 A CN 101788205A
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CN
China
Prior art keywords
heat exchanger
heat
inlet
valve
compressor
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CN201010005518A
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Chinese (zh)
Inventor
彭建国
吴加胜
汪迪文
曾向阳
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湖南元亨科技发展有限公司
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Priority to CN201010005518A priority Critical patent/CN101788205A/en
Publication of CN101788205A publication Critical patent/CN101788205A/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B13/00Compression machines, plant or systems with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B2313/00Compression machines, plant, or systems with reversible cycle not otherwise provided for
    • F25B2313/027Compression machines, plant, or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02741Compression machines, plant, or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B2339/00Details of evaporators; Details of condensers
    • F25B2339/04Details of condensers
    • F25B2339/041Details of condensers of evaporative condensers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B2339/00Details of evaporators; Details of condensers
    • F25B2339/04Details of condensers
    • F25B2339/047Water-cooled condensers

Abstract

The invention relates to a highly-efficient air energy water source heat pump integrated unit which comprises a compressor, a first heat exchanger, a second heat exchanger, a heat exchange tower, a water pump, an expansion valve and a reversing valve, wherein the first heat exchanger is arranged in the heat exchanger tower; an output of the compressor is connected with an inlet of the first heat exchanger through the reversing valve, an outlet of the first heat exchanger is divided into two paths which are respectively connected with an inlet and an outlet of the expansion valve; the outlet of the expansion valve is connected with an inlet of the second heat exchanger through a one-way valve, an inlet of the second heat exchanger is also connected with the inlet of the expansion valve; the outlet of the second heat exchanger is connected with the inlet of the compressor; and the heat exchanger tower is provided with the water pump for providing cooling media circulating power. The invention has simple structure, small volume, high energy efficiency ratio, lower cost, easy installation and construction, lower cost of the operation and convenient maintenance, thereby being an air conditioner cooling, heating and healthy hot water making mode with development potential, and being suitable for industrialized application. The invention can solve the problems of instability factor of weather with an air source, limitation of ground and water sources, overhigh initial cost and the like.

Description

Highly-efficient air energy water source heat pump integrated unit
Technical field
The invention discloses a kind of highly-efficient air energy water source heat pump integrated unit, belong to air source heat pump, water source heat pump system application.
Background technology
Energy problem has become the main restriction that the global economy development faces at present.Along with the raising of expanding economy and people's living standard, building energy consumption has accounted for more than 30% of whole society's total energy consumption, and is increasing with fast speeds.The shared proportion maximum of energy consumption of air-conditioning refrigeration in summer, winter heating in the building energy consumption, constantly bringing forth new ideas of air-conditioning technical will be significant to energy-saving and emission-reduction.
Solar energy has characteristics such as intermittent and unstability, and these characteristics make extensive directly application of solar energy be subjected to severely restricts.
Air source (air-cooled) is though heat pump has use flexibly, the advantage that can freeze, heats, but air source heat pump not only summer the COP (coefficient of performance of refrigerating) that freezes not high, and have the defrosting problem when heating in the winter time, and the quality of its Defrost mode is having a strong impact on heating performance, security reliability and the life-span of air source heat pump.
Because winter, outside air temperature altered a great deal with the region climate difference, caused air source (air-cooled) heat pump in use to have following problem:
1. at cold district, winter, outside air temperature was very low.Along with the decline of outside air temperature, the COP value of Air-Cooled Heat Pump Unit will obviously descend, and when outdoor temperature is reduced to certain limit (be generally-5~-10 ℃, a few devices can reach-15 ℃), unit will be difficult to start, and can't normally use.
2. even winter, outside air temperature was at-5~0 ℃, heat pump can start, but because the outdoor heat exchanger coil surface temperature is below 0 ℃ at this moment, heat exchanger surface can make the water in air steam in the frosting of coil surface condensation.The heat exchanger surface frost thickness increases, and not only increases the heat transfer coefficient that the tube wall additional thermal resistance reduces heat exchanger, reduces heat transfer efficiency, and the air flow channel of coil pipe is narrowed down, and hinders convection current, increases air flow resistance, causes power of fan to increase.
3. under the frosting situation, Air-Cooled Heat Pump Unit generally adopts electrical heating or contrary circulation to carry out the defrosting mode, and these two kinds of the former power consumption of defrosting method are big, and air-cooled heat pump is not only to indoor heating during latter's defrosting, also from indoor extraction defrosting heat, cause 6~12% heating load loss on the contrary.
Water resource heat pump then utilizes soil, underground water, surface water etc. to carry out cold and heat supply as the low level Cooling and Heat Source.Under the actual conditions, the cost variance that the geological conditions of different regions, water resource utilize is quite big, therefore, and geological conditions and whether have suitable water source to become the key that water resource heat pump is used.
Though traditional air conditioning mode can reach generally speaking refrigeration, heat requirement, but the Air Conditioning Facilities floor space is big, initial cost is high, operating cost is high, installation is complicated, quantities is big, strongly professional, loaded down with trivial details, the management maintenance trouble of constructing, and is unfavorable for large-scale application.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art and provide a kind of simple in structure, volume is little, Energy Efficiency Ratio is high, cost is lower, install, construction easily, economical operation, highly-efficient air energy water source heat pump integrated unit easy to maintenance, make full use of the heat exchange heat of heat exchange columns so that reduce the operation of air conditioner energy consumption to greatest extent.
The present invention adopts following technical proposals to realize: highly-efficient air energy water source heat pump integrated unit, comprise compressor, first heat exchanger, second heat exchanger, heat exchange columns, water pump, expansion valve, reversal valve,, described first heat exchanger is installed in the described heat exchange columns; The outlet of described compressor is connected with the inlet of described first heat exchanger by described reversal valve, the outlet of described first heat exchanger is divided into two-way, the check valve of leading up to is connected with the inlet of described expansion valve, and another road is connected with the inlet/outlet of described expansion valve by a check valve; The outlet of described expansion valve is connected by the inlet of check valve with described second heat exchanger, and the inlet of second heat exchanger also is connected with the inlet of described expansion valve by a check valve; The outlet of described second heat exchanger is connected with the inlet of described compressor by described reversal valve, and the water pump that the cooling medium circulation power is provided is installed on the described heat exchange columns.
Among the present invention, also be connected with reservoir, device for drying and filtering, visor between the outlet of described first heat exchanger and the inlet of described expansion valve.
Among the present invention, also be connected with reservoir, drier, visor between the inlet of described second heat exchanger and the inlet of described expansion valve.
Among the present invention, also be connected with between described compressor and described first heat exchanger exit and second heat exchanger entrance and be used to absorb the heat of compression of compressor and the hydrojet expansion valve of cutting oil.
Among the present invention, described compressor is piston type, screw, vortex, a kind of in centrifugal.
Among the present invention, described reversal valve is a four-way change-over valve.
Among the present invention, be connected with gas-liquid separator between described reversal valve and the described suction port of compressor.
Among the present invention, heat transferring medium is a kind of in the water or the aqueous solution in the described heat exchange columns, and this heat transferring medium directly sprays in first heat exchanger surface.
Among the present invention, the aqueous solution heat transferring medium of described heat exchange columns be selected from have lower surface vapor pressure, higher solubility, low viscosity, higher boiling, SOLUTION PROPERTIES is stable, low volatility, low-corrosiveness, avirulence, solute is cheap, and the solution that obtains comprises: added lithium iodide solution easily, lithium nitrate solution, zinc bromide are restrained a kind of in urea liquid, lithium chloride solution, lithium-bromide solution, lithium bromide and calcium chloride mixed solution, lithium chloride and the calcium chloride mixed solution of crystallization.
The present invention is owing to adopt said structure, directly be positioned over first heat exchanger in the heat exchange columns, cold-producing medium circulates between heat exchanger and compressor, carry out indirect caloic exchange by heat exchange columns and air, dispel the heat to outdoor air in by the heat exchange columns shower water summer, takes away the heat of cold-producing medium in the heat exchanger; Absorb heat from outdoor air by spraying the suitable aqueous solution winter, and cold-producing medium obtains heat in the heat exchanger from the aqueous solution.Winter particularly, use has lower surface vapor pressure, higher solubility, low viscosity, higher boiling, SOLUTION PROPERTIES is stable, low volatility, low-corrosiveness, avirulence, solute is cheap, and the aqueous solution that obtains can guarantee that cooling medium keeps liquid under extremely low temperature easily, do not freeze, guarantee the normal operation of equipment.
Compare with existing air-cooled heat pump, water resource heat pump, conventional refrigeration machine etc., have the following advantages and good effect:
1, the present invention adopts integral type entire combination structure, and highly effective refrigeration, heating combined equipment and double temperature conversion device are fitted to each other in one, has the advantage of compact conformation, makes refrigeration, heats and be combined into one, and realizes conversion refrigeration or the function that heats.
2, the present invention has overcome the defective that air source heat pump, water resource heat pump are used by the environmental condition restriction, by changing cooling medium, the equipment that can effectively guarantee can move steady in a long-term, efficiently and use, and is not subjected to the restriction of environmental condition, and the heat exchange efficiency height, the Energy Efficiency Ratio height of system; Winter can normal stable operation more than outside air temperature-15 ℃, and in whole winter, the Energy Efficiency Ratio of unit can reach 2.8~3.5; Summer, the coefficient of performance of refrigeration can reach 4.2~4.8, and energy-saving effect is remarkable, compares air-cooled heat pump and can save energy 25%~30%.。
3, the present invention adopts integrated combining structure, and is easy for installation, quick, can realize plug and play, shorten construction period greatly, reduced difficulty of construction and expense, complete machine is stable and reliable for performance, is convenient to operation, in addition, this integrated unit is a package assembly, and installation, convenient disassembly are convenient to management, be convenient to Maintenance and Repair, wide adaptability.
4, the present invention can be according to different purposes, varying environment temperature and humidity conditions, design and dispose, can save a large amount of operating costs, save disposable water resource, can obtain more heat or cold simultaneously, be applicable to heat supply heating and refrigeration air-conditioner, the thoroughly no boiler heat supplying heating of solution, the low water resource heat pump of air source heat pump winter heating efficient are subjected to problems such as various condition restriction and Air Conditioning Facilities area anxiety, make the air-conditioning heat pump technology bring up to a new height.
In sum, the present invention is simple in structure, volume is little, Energy Efficiency Ratio is high, cost is lower, install, construction easily, economical operation, easy to maintenance, be a kind of air conditioner refrigerating that has a development potentiality, heat, make the health hot water mode, be suitable for industrial applications; Has crucial meaning for the energy crisis of alleviating growing tension, protection environment; Can solve the weather unstability factor in air source in addition, the condition restriction and the initial cost at source, ground, water source are crossed problems such as height.
Description of drawings
Accompanying drawing 1 is not intended to for the structure of an embodiment of the present invention.
Accompanying drawing 2 is the structural representation of the another kind of embodiment of the present invention.
In the accompanying drawing 1,1 compressor, 2 four-way change-over valves, 3 heat exchange columns, 4 heat exchangers, 5 heat exchangers, 6 reservoirs, 7 devices for drying and filtering, 8 liquid-sighting glass, 9 expansion valves, 10 gas-liquid separators, 11 hydrojet expansion valves, 12 water pumps, 13,14,15,16 check (non-return) valves, 17,18 magnetic valves, cold-producing medium loop direction when solid arrow is represented the highly-efficient air energy water source heat pump integrated unit refrigeration of embodiment 1, cold-producing medium loop direction when dotted arrow is represented to heat.
In the accompanying drawing 2,1 compressor, 2 four-way change-over valves, 3 heat exchange columns, 4 heat exchangers, 5 heat exchangers, 6 reservoirs, 7 devices for drying and filtering, 8 liquid-sighting glass, 9 refrigeration heating power expansion valves, 10 heat heating power expansion valve, 11 hydrojet expansion valves, 12 water pumps, 13,14 check (non-return) valves, cold-producing medium loop direction when 15,16 magnetic valves, solid arrow are represented the highly-efficient air energy water source heat pump integrated units refrigeration of embodiment 2, cold-producing medium loop direction when dotted arrow is represented to heat.
The specific embodiment
Specific embodiments provided by the invention is the preferred embodiments of the present invention; can not limit claim of the present invention; other any change or other equivalent substitute mode that does not deviate from technical scheme of the present invention and made all is included within protection scope of the present invention.
Further specify the present invention below in conjunction with drawings and Examples.
Embodiment 1: referring to accompanying drawing 1, the embodiment of the invention 1 is by compressor 1, four-way change-over valve 2, heat exchange columns 3, the first heat exchangers 4, the second heat exchangers 5, reservoir 6, device for drying and filtering 7, liquid-sighting glass 8, expansion valve 9, gas-liquid separator 10, hydrojet expansion valve 11, water pump 12, check (non-return) valve 13,14,15,16, magnetic valve 18 constitutes.
Described first heat exchanger 4 is installed in the described heat exchange columns 3; The outlet G of described compressor 1 is connected with the inlet A of described first heat exchanger 4 by described four-way change-over valve 2, the outlet B of described first heat exchanger 4 is divided into two-way, the check (non-return) valve 16 of leading up to is connected with the inlet C of described expansion valve 9, and another road is connected with the outlet D of described expansion valve 9 by check (non-return) valve 15; The outlet D of described expansion valve 9 is connected with the inlet E of described second heat exchanger 5 by check (non-return) valve 13, and the inlet E of second heat exchanger 5 also is connected with the inlet C of described expansion valve 9 by check (non-return) valve 14; The outlet F of described second heat exchanger 5 is connected with the inlet H of described compressor 1 by described reversal valve 2, and the water pump 12 that the cooling medium circulation power is provided is installed on the described heat exchange columns 3; Also be connected with reservoir 6, device for drying and filtering 7, visor 8 between the outlet B of described first heat exchanger 4 and the inlet C of described expansion valve 9; Also be connected with reservoir 6, device for drying and filtering 7, visor 8 between the inlet E of described second heat exchanger 5 and the inlet C of described expansion valve 9; Also be connected with between described compressor 1 and described first heat exchanger, 4 outlet B and second heat exchanger, the 5 inlet E and be used to absorb the heat of compression of compressor 1 and the hydrojet expansion valve 11 of cutting oil; Be connected with gas-liquid separator 10 between described reversal valve 2 and the described compressor 1 inlet H.
In the present embodiment, described compressor is piston type, screw, vortex, a kind of in centrifugal.
In the present embodiment, the heat transferring medium of described heat exchange columns, during refrigeration, heat transferring medium is a water; When heating, heat transferring medium is for having added lithium iodide solution, lithium nitrate solution, a kind of aqueous solution in urea liquid, lithium chloride solution, lithium-bromide solution, lithium bromide and calcium chloride mixed solution, lithium chloride and the calcium chloride mixed solution of zinc bromide supression crystallization.
The operation principle of present embodiment is sketched in down: the cooling water or the aqueous solution in the direct and heat exchange columns 3 of first heat exchanger 4 of cold-producing medium through being arranged on heat exchange columns 3 in carry out heat exchange.First heat exchangers 4 in the heat exchange columns 3 are coil arrangement, and an end of first heat exchanger 4 is connected with four-way change-over valve 2 in the integrated unit, and the other end of first heat exchanger 4 passes through check (non-return) valve 16 and is connected with reservoir 6.
Referring in the accompanying drawing 1 shown in the solid arrow, during the highly-efficient air energy water source heat pump integrated unit refrigerating operaton of present embodiment, the high-pressure gaseous refrigerant of discharging from compressor 1 directly enters the inlet A of first heat exchanger 4 the heat exchange columns 3 by four-way change-over valve 2, under the constant situation of pressure by the water quench in the heat exchange columns 3, cooling water circulates in heat exchange columns 3 by water pump 12, discharges condensation heat in the ambient atmosphere environment.Refrigerant vapour temperature in first heat exchanger (condenser) 4 in the heat exchange columns 3 reduces, condensing into first heat exchanger (condenser) the 4 outlet Bs of liquid from heat exchange columns 3 discharges, high pressure refrigerant liquid enters reservoir 6 by check (non-return) valve 16, pass through device for drying and filtering 7 then, liquid-sighting glass 8, magnetic valve 17, in the throttling step-down of expansion valve 9 places, cause the vaporization of part refrigerant liquid, absorb the latent heat of vaporization, make the also corresponding reduction of temperature of itself, become the moist steam under the low-temp low-pressure, enter the inlet E of second heat exchanger (evaporimeter) 5 through check (non-return) valve 13, refrigerant liquid is under the constant situation of pressure in second heat exchanger (evaporimeter) 5, absorption be cooled medium (air conditioning water) heat and vaporize, the low temperature and low pressure steam that forms is behind the outlet F process four-way change-over valve 2 of second heat exchanger (evaporimeter) 5, get back to compressor 1 by gas-liquid separator 10, so repeatedly circulation.
Referring in the accompanying drawing 1 shown in the dotted arrow, during the highly-efficient air energy water source heat pump integrated unit heating operation of present embodiment, four-way change-over valve 2 actions, the cold-producing medium recycled back, the high-pressure gaseous refrigerant of discharging from compressor 1 enters second heat exchanger (condenser), 5 heating conditioned waters by four-way change-over valve 2, under the constant situation of pressure, second heat exchanger (condenser), 5 inner refrigerant vapor (steam) temperatures reduce, condensing into liquid discharges from second heat exchanger (condenser) 5, high pressure refrigerant liquid enters reservoir 6 by check (non-return) valve 14, pass through device for drying and filtering 7 then, liquid-sighting glass 8, magnetic valve 17, in the throttling step-down of expansion valve 9 places, become the moist steam under the low-temp low-pressure, process check (non-return) valve 15 enters first heat exchanger (evaporimeter) 4 in the heat exchange columns 3, refrigerant liquid is under the constant situation of pressure in first heat exchanger (evaporimeter) 4 in heat exchange columns 3, absorb the heat of heat exchange columns 3 aqueous solution and vaporize that (aqueous solution carries out circulated sprinkling by water pump 12 in heat exchange columns 3, absorb heat in the ambient atmosphere environment), after the low temperature and low pressure steam that forms passes through four-way change-over valve 2 again, get back to compressor 1 by gas-liquid separator 10, so repeatedly circulation.
Adopt hydrojet expansion valve 11 through the compression chamber hydrojet of magnetic valve 18 in this highly-efficient air energy water source heat pump integrated unit, be used to absorb the heat of compression and the cutting oil of compressor 1, thereby guarantee compressor 1 operate as normal to compressor 1.
Embodiment 2: referring to accompanying drawing 2, the embodiment of the invention 2 is by compressor 1, four-way change-over valve 2, heat exchange columns 3, the first heat exchangers 4, the second heat exchangers 5, reservoir 6, device for drying and filtering 7, liquid-sighting glass 8, refrigeration heating power expansion valve 9, heat heating power expansion valve 19, hydrojet expansion valve 11, water pump 12, check (non-return) valve 13,14, magnetic valve 18 constitutes, the embodiment of the invention 2 is with the check (non-return) valve among the embodiment 1 15,16 usefulness expansion valves 19 replace, the outlet B of described first heat exchanger 4 is divided into two-way, and the check (non-return) valve 13 of leading up to is connected with the inlet C and the described expansion valve 19 inlet I of described expansion valve 9 respectively, and another road is connected with the outlet J of described expansion valve 19; The outlet D of described expansion valve 9 is connected with the inlet E of described second heat exchanger 5, and the inlet E of second heat exchanger 5 also is connected with the inlet C and the described expansion valve 19 inlet I of described expansion valve 9 respectively by check (non-return) valve 14; The outlet F of described second heat exchanger 5 is connected with the inlet H of described compressor 1 by described reversal valve 2.
The operation principle of present embodiment is sketched in down: the cooling water or the aqueous solution in the direct and heat exchange columns 3 of first heat exchanger 4 of cold-producing medium through being arranged on heat exchange columns 3 in carry out heat exchange.First heat exchangers 4 in the heat exchange columns 3 are coil arrangement, and an end of first heat exchanger 4 is connected with four-way change-over valve 2 in the integrated unit, and the other end of first heat exchanger 4 passes through check (non-return) valve 13 and is connected with reservoir 6, or directly is connected with expansion valve 19.
Referring in the accompanying drawing 2 shown in the solid arrow, during highly-efficient air energy water source heat pump integrated unit refrigerating operaton, the high-pressure gaseous refrigerant of discharging from compressor 1 directly enters first heat exchanger 4 (condenser) the heat exchange columns 3 by four-way change-over valve 2, under the constant situation of pressure by the water quench in the heat exchange columns 3, cooling water carries out circulated sprinkling by water pump 12 in heat exchange columns 3, discharge condensation heat in the ambient atmosphere environment.Refrigerant vapour temperature in first heat exchanger (condenser) 4 in the heat exchange columns 3 reduces, condensing into first heat exchanger (condenser) 4 of liquid from heat exchange columns 3 discharges, high pressure refrigerant liquid enters reservoir 6 by check (non-return) valve 13, pass through device for drying and filtering 7 then, liquid-sighting glass 8, magnetic valve 15, in the throttling step-down of expansion valve 9 places, cause the vaporization of part refrigerant liquid, absorb the latent heat of vaporization, make the also corresponding reduction of temperature of itself, become the moist steam under the low-temp low-pressure, enter second heat exchanger (evaporimeter) 5, refrigerant liquid is under the constant situation of pressure in second heat exchanger (evaporimeter) 5, absorbs the heat of the medium (air conditioning water) that is cooled and vaporizes, after the low temperature and low pressure steam of formation passes through four-way change-over valve 2 again, get back to compressor 1 by gas-liquid separator 10, so repeatedly circulation.
Referring in the accompanying drawing 2 shown in the dotted arrow, during highly-efficient air energy water source heat pump integrated unit heating operation, four-way change-over valve 2 actions, the cold-producing medium recycled back, the high-pressure gaseous refrigerant of discharging from compressor 1 enters second heat exchanger (condenser), 5 heating conditioned waters by four-way change-over valve 2, under the constant situation of pressure, second heat exchanger (condenser), 5 inner refrigerant vapor (steam) temperatures reduce, condensing into liquid discharges from second heat exchanger (condenser) 5, high pressure refrigerant liquid enters reservoir 6 by check (non-return) valve 14, pass through device for drying and filtering 7 then, liquid-sighting glass 8, magnetic valve 15, in the throttling step-down of expansion valve 19 places, become the moist steam under the low-temp low-pressure, enter first heat exchanger (evaporimeter) 4 in the heat exchange columns 3, refrigerant liquid is under the constant situation of pressure in first heat exchanger (evaporimeter) 4 in heat exchange columns 3, absorb the heat of heat exchange columns 3 aqueous solution and vaporize that (aqueous solution carries out circulated sprinkling by water pump 12 in heat exchange columns 3, absorb heat in the ambient atmosphere environment), after the low temperature and low pressure steam that forms passes through four-way change-over valve 2 again, get back to compressor 1 by gas-liquid separator 10, so repeatedly circulation.
Adopt hydrojet expansion valve 11 through the compression chamber hydrojet of magnetic valve 18 in this highly-efficient air energy water source heat pump integrated unit, be used to absorb the heat of compression and the cutting oil of compressor 1, thereby guarantee compressor 1 operate as normal to compressor 1.
In the present embodiment, described compressor is piston type, screw, vortex, a kind of in centrifugal.。
In the present embodiment, the heat transferring medium of described heat exchange columns, during refrigeration, heat transferring medium is a water; When heating, heat transferring medium is for having added lithium iodide solution, lithium nitrate solution, a kind of aqueous solution in urea liquid, lithium chloride solution, lithium-bromide solution, lithium bromide and calcium chloride mixed solution, lithium chloride and the calcium chloride mixed solution of zinc bromide supression crystallization.

Claims (8)

1. highly-efficient air energy water source heat pump integrated unit comprises compressor, first heat exchanger, second heat exchanger, heat exchange columns, water pump, expansion valve, reversal valve, it is characterized in that: described first heat exchanger is installed in the described heat exchange columns; The outlet of described compressor is connected with the inlet of described first heat exchanger by described reversal valve, the outlet of described first heat exchanger is divided into two-way, the check valve of leading up to is connected with the inlet of described expansion valve, and another road is connected with the inlet/outlet of described expansion valve by a check valve; The outlet of described expansion valve is connected by the inlet of check valve with described second heat exchanger, and the inlet of second heat exchanger also is connected with the inlet of described expansion valve by a check valve; The outlet of described second heat exchanger is connected with the inlet of described compressor by described reversal valve, and the water pump that the cooling medium circulation power is provided is installed on the described heat exchange columns.
2. highly-efficient air energy water source heat pump integrated unit according to claim 1 is characterized in that: be connected with reservoir, device for drying and filtering, visor between the outlet of described first heat exchanger and the inlet of described expansion valve; Be connected with reservoir, drier, visor between the inlet of described second heat exchanger and the inlet of described expansion valve.
3. highly-efficient air energy water source heat pump integrated unit according to claim 2 is characterized in that: be connected with the hydrojet expansion valve between described compressor and described first heat exchanger exit and second heat exchanger entrance.
4. highly-efficient air energy water source heat pump integrated unit according to claim 3 is characterized in that: be connected with gas-liquid separator between described reversal valve and the described suction port of compressor.
5. highly-efficient air energy water source heat pump integrated unit according to claim 4 is characterized in that: described reversal valve is a four-way change-over valve.
6. according to claim 1,2,3,4,5 any described highly-efficient air energy water source heat pump integrated units, it is characterized in that: described compressor is piston type, screw, vortex, a kind of in centrifugal.
7. highly-efficient air energy water source heat pump integrated unit according to claim 6 is characterized in that: heat transferring medium is a kind of in the water or the aqueous solution in the described heat exchange columns, and this heat transferring medium directly sprays in first heat exchanger surface.
8. highly-efficient air energy water source heat pump integrated unit according to claim 7, it is characterized in that: the aqueous solution heat transferring medium of described heat exchange columns is selected from and has added lithium iodide solution, lithium nitrate solution, zinc bromide are restrained a kind of in urea liquid, lithium chloride solution, lithium-bromide solution, lithium bromide and calcium chloride mixed solution, lithium chloride and the calcium chloride mixed solution of crystallization.
CN201010005518A 2010-01-16 2010-01-16 Highly-efficient air energy water source heat pump integrated unit CN101788205A (en)

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CN201010005518A CN101788205A (en) 2010-01-16 2010-01-16 Highly-efficient air energy water source heat pump integrated unit
PCT/CN2010/000796 WO2011085527A1 (en) 2010-01-16 2010-06-04 Integrated heat pump unit utilizing air energy and water source

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CN102345941B (en) * 2010-08-03 2014-08-13 昆山台佳机电有限公司 Hydraulic filling type water source heat pump unit for central air-conditioning refrigerant side switching
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CN105402938B (en) * 2015-12-10 2018-06-26 山东创尔沃热泵技术股份有限公司 Water earth source heat pump unit

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