CN102116537A - Solution spray type heat pump set - Google Patents
Solution spray type heat pump set Download PDFInfo
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- CN102116537A CN102116537A CN2011100764789A CN201110076478A CN102116537A CN 102116537 A CN102116537 A CN 102116537A CN 2011100764789 A CN2011100764789 A CN 2011100764789A CN 201110076478 A CN201110076478 A CN 201110076478A CN 102116537 A CN102116537 A CN 102116537A
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Abstract
The invention relates to a solution spray type heat pump set, belonging to the field of refrigerating and air conditioning equipment. The solution spray type heat pump set has the technical characteristics that the set radiates condensed heat to the environment in summer and takes heat from the outdoor air environment in winter by using solution spray, and the solution is regenerated by using heat released by recooling a high-pressure liquid refrigerant. Compared with an air source heat pump unit, the solution spray type heat pump set has the obvious characteristics of compact set structure, low initial equipment investment, high energy efficiency ratio for refrigeration operation in summer, no need of defrosting in winter, efficient, continuous and stable refrigeration operation and the like.
Description
Technical field
The present invention relates to a kind of solution spraying type source pump, use solution spraying to realize that unit distributes condensation heat to environment summer, winter is heat-obtaining from the outdoor air environment, and be beneficial to the cold and hot again of high pressure liquid refrigerant solution is regenerated, belong to the refrigeration air-conditioner field, be specially adapted to the lower area of outer temperature in winter and use.
Background technology
Raising along with socioeconomic fast development and living standards of the people, people are growing to the pursuit of quality of the life, the building air conditioning energy consumption is occupied very big share in the energy resource consumption total amount, according to statistics, the power consumption in central air-conditioning every year accounts for about 60% of building total power consumption.Therefore the energy-saving significance of air-conditioning system is great.
Net for air-source heat pump units as shown in Figure 1 is a central air-conditioning Cooling and Heat Source scheme commonly used at present, but net for air-source heat pump units is in summer during refrigerating operaton, the Energy Efficiency Ratio COPc of unit is much smaller than the water-cooled handpiece Water Chilling Units, use air source heat pump to occur under the condition of local tropical island effect in enormous quantities at the thermal extremes conditioned disjunction, the refrigeration efficiency of net for air-source heat pump units is lower than COPc; When heating in the winter time owing to there is an evaporator surface frosting problem, the evaporator surface frosting makes the Energy Efficiency Ratio COPh of air source heat pump reduce, to cause heat supply to be interrupted during Defrost operation again, and influence the comfortableness of indoor environment, and make the security and the stability decreases of unit.In addition, the air source heat exchanger coefficient of heat transfer is low, and volume is big, and consumptive material is many, has not only increased investment of equipment, and the service conditions such as placement space of unit are had higher requirement, and has limited the use of net for air-source heat pump units.
Energy Efficiency Ratio COPc during for raising net for air-source heat pump units refrigerating operaton in summer, transpiration-cooled unit scheme has as shown in Figure 2 been proposed at present, by spray recirculated water to reduce the condensation temperature of kind of refrigeration cycle, make the refrigeration efficiency of unit than COPc significantly improve when freezing summer; But the greatest drawback of this scheme is winter heating's function of having lost net for air-source heat pump units and since winter with recirculated water spray air and from air heat-obtaining, under the low ambient temperature condition, must cause recirculated water to freeze during heating operation, can not realize heating.
Therefore, proposing a kind of whole year of stable, the efficient source pump technical scheme of moving, is present problem demanding prompt solution.
Summary of the invention
The present invention proposes a kind of solution spraying type source pump, use solution spraying to realize that unit distributes condensation heat to environment summer, winter is heat-obtaining from the outdoor air environment, utilizes the cold and hot again of high pressure liquid refrigerant that solution is regenerated, thereby realizes annual continuous, efficient operation.
The present invention proposes following technical scheme:
A kind of solution spraying type source pump comprises compressor, first heat exchanger, throttling arrangement, second heat exchanger, the solution catch tray that is positioned at the second heat exchanger bottom, first solution pump, heat exchanger spray thrower, blower fan and heat exchanger shell; The heat exchanger shell middle and lower part is provided with air intake, and outdoor air flows through the second heat exchanger outflow heat exchanger housing under the effect of blower fan, it is characterized in that: described solution spraying type source pump also comprises cross valve and solution-refrigerant heat exchanger; Described solution-refrigerant heat exchanger is arranged on the heat exchanger shell outside, and described compressor, cross valve, first heat exchanger, solution-refrigerant heat exchanger, throttling arrangement, second heat exchanger and cross valve are linked in sequence by pipeline and constitute the vapor compression heat pump closed circuit; After solution in first solution pump suction solution catch tray enters solution-refrigerant heat exchanger heat exchange, spray on second heat exchanger by the heat exchanger spray thrower.
On described vapor compression heat pump closed circuit, between entering the mouth, outlet of the refrigerant side of first heat exchanger and throttling arrangement set up communicating pipe, first valve is set on this connecting pipe; Simultaneously on the refrigerant side inlet ductwork of solution-refrigerant heat exchanger, second valve is set; Above second heat exchanger of heat exchanger shell inside, the solution regenerator is set, in the solution regenerator porous aggregate is set; Described heat exchanger spray thrower is made up of first regenerator-heat exchanger spray thrower and second regenerator-heat exchanger spray thrower, solution in the solution catch tray is divided into two-way after the suction of first solution pump, after part solution enters solution-refrigerant heat exchanger heat exchange, sprayed on the solution regenerator and second heat exchanger by first regenerator-heat exchanger spray thrower, a part of in addition solution is directly sprayed on the solution regenerator and second heat exchanger by second regenerator-heat exchanger spray thrower.
Second kind of solution spraying type source pump provided by the invention comprises compressor, first heat exchanger, throttling arrangement, second heat exchanger, the solution catch tray that is positioned at the second heat exchanger bottom, first solution pump, heat exchanger spray thrower, blower fan and heat exchanger shell; The heat exchanger shell middle and lower part is provided with air intake, outdoor air flows through the second heat exchanger outflow heat exchanger housing under the effect of blower fan, it is characterized in that: described solution spraying type source pump also comprises cross valve and solution-refrigerant heat exchanger, and described solution-refrigerant heat exchanger places the solution catch tray; Described compressor, cross valve, first heat exchanger, solution-refrigerant heat exchanger, throttling arrangement, second heat exchanger and cross valve are linked in sequence by pipeline and constitute the vapor compression heat pump closed circuit; On the heat pump cycle loop, between entering the mouth, outlet of the refrigerant side of described first heat exchanger and throttling arrangement set up communicating pipe, first valve is set on this connecting pipe, simultaneously on the refrigerant side inlet ductwork of solution-refrigerant heat exchanger, second valve is set, solution by after solution-refrigerant heat exchanger heating, is sprayed on second heat exchanger by the heat exchanger spray thrower through the suction of first solution pump in the solution catch tray.
In described heat exchanger shell inside, second heat exchanger top is provided with the solution regenerator, in the solution regenerator porous aggregate is set; Described heat exchanger spray thrower is by first regenerator-heat exchanger spray thrower and second regenerator-the heat exchanger spray thrower is formed, and interlaced arrangement; The solution catch tray is separated into the first solution catch tray and the second solution catch tray, increases by second solution pump simultaneously; Described solution-refrigerant heat exchanger places the first solution catch tray, first solution pump aspirates the solution in the first solution catch tray, spray on the solution regenerator and second heat exchanger by first regenerator-heat exchanger spray thrower, solution is flowed in the second solution catch tray; Solution in the second solution catch tray is sprayed on the solution regenerator and second heat exchanger by second regenerator-heat exchanger spray thrower after the suction of second solution pump, flows into then in the first solution catch tray.
The third solution spraying type source pump provided by the invention comprises compressor, first heat exchanger, throttling arrangement, second heat exchanger, the solution catch tray that is positioned at the second heat exchanger bottom, first solution pump, heat exchanger spray thrower, blower fan and heat exchanger shell; The heat exchanger shell middle and lower part is provided with air intake, and outdoor air flows through the second heat exchanger outflow heat exchanger housing under the effect of blower fan; It is characterized in that: described solution spraying type source pump also comprises cross valve, solution-refrigerant heat exchanger, the 3rd valve, solution regenerator and regenerator spray thrower; Described compressor, cross valve, first heat exchanger, solution-refrigerant heat exchanger, throttling arrangement, second heat exchanger and cross valve are linked in sequence by pipeline and constitute the vapor compression heat pump closed circuit; The solution regenerator places in the heat exchanger shell, and the regenerator spray thrower places the top of solution regenerator, in the solution regenerator porous aggregate is set; Solution in the solution catch tray is divided into two-way after the suction of first solution pump, one the tunnel is directly sprayed on second heat exchanger by the heat exchanger spray thrower, other one the tunnel through the 3rd valve, solution-refrigerant heat exchanger, is sprayed on the solution regenerator by the regenerator spray thrower.
Described solution regenerator places heat exchanger spray thrower top, and described solution spraying type source pump also comprises the 4th valve; Described compressor, cross valve, first heat exchanger, solution-refrigerant heat exchanger, throttling arrangement, second heat exchanger and cross valve are linked in sequence by pipeline and constitute the vapor compression heat pump closed circuit, on described vapor compression heat pump closed circuit, between outlet of the refrigerant side of first heat exchanger and throttling arrangement enter the mouth, set up communicating pipe, first valve is set on this connecting pipe; Simultaneously on the refrigerant side inlet ductwork of solution-refrigerant heat exchanger, second valve is set, solution in the solution catch tray is divided into two-way after the suction of first solution pump, one the tunnel through the 4th valve by heat exchanger spray thrower spray on second heat exchanger, other one the tunnel through the 3rd valve and solution-refrigerant heat exchanger, is sprayed on the solution regenerator and second heat exchanger by the regenerator spray thrower.
In the technique scheme, used solution is water, organic solution or inorganic solution in the described solution spraying type air conditioner and heat pump unit; Described organic solution is that freezing point is lower than 0 ℃ ethylene glycol, propane diols or glycerine; Described inorganic solution is the solution of calcium chloride, sodium chloride or sodium acetate; Described first heat exchanger is cold-producing medium-air heat exchanger or cold-producing medium-water-to-water heat exchanger, and described first heat exchanger is arranged on indoor; Solution-refrigerant heat exchanger is bushing type or plate type heat exchanger; Refrigerant tubing arranged outside porous aggregate in described second heat exchanger.
Adopt technique scheme to have following remarkable advantage:
1. adopt the heat exchanger that has solution spraying and blower fan, coefficient of heat transfer height is compared with air source heat pump, and condensation temperature is lower during refrigeration, evaporating temperature is higher when heating, can realize highly effective refrigeration and efficiently heating winter in summer, improve refrigeration efficiency than COPc and heating energy efficiency ratio COPh;
2. can under low temperature environment, realize continuous heating operation, avoid the defrosting problem of air source heat pump, guarantee the comfortableness of indoor environment;
8. the coefficient of heat transfer of solution spraying type heat exchanger is big, and compact conformation is compared with the air-cooled heat exchanger of equal exchange capability of heat, and its heat transfer area is less, so required metal material significantly reduces, has reduced the initial cost of unit.
Description of drawings
Fig. 1 is the structure principle chart of the net for air-source heat pump units of prior art.
Fig. 2 is the structure principle chart of the evaporative condenser formula unit of prior art.
Fig. 3 is the kind of refrigeration cycle pressure-enthalpy chart of vapor compression heat pump.
Fig. 4 is the structure principle chart of a kind of solution spraying type source pump provided by the invention and the structure principle chart of first embodiment thereof.
Fig. 5 is the structure principle chart of second embodiment of a kind of solution spraying type source pump provided by the invention.
Fig. 6 is the structure principle chart of the 3rd embodiment of a kind of solution spraying type source pump provided by the invention.
Fig. 7 is the structure principle chart of the 4th embodiment of a kind of solution spraying type source pump provided by the invention.
Fig. 8 is the structure principle chart of the 5th embodiment of a kind of solution spraying type source pump provided by the invention.
Fig. 9 is the structure principle chart of the 6th embodiment of a kind of solution spraying type source pump provided by the invention.
Wherein: the 1-compressor; 2-first heat exchanger; The 3-throttling arrangement; 4-second heat exchanger; 5-solution catch tray; The 5a-first solution catch tray; The 5b-second solution catch tray; The 6-solution pump; 6a-first solution pump; 6b-second solution pump; 7-heat exchanger spray thrower; The 8-blower fan; The 9-heat exchanger shell; The 10-cross valve; 11-solution-refrigerant heat exchanger; 12-first valve; 13-second valve; 14-the 3rd valve; 15-the 4th valve; 16-solution regenerator; The 17-porous aggregate; 18-regenerator spray thrower; 19-first regenerator-heat exchanger spray thrower; 20-second regenerator-heat exchanger spray thrower.
The specific embodiment
The kind of refrigeration cycle pressure-enthalpy chart of vapor compression heat pump as shown in Figure 3.Refrigerant vapour enters compressor compresses by an a and becomes high temperature and high pressure gas point b, this high temperature and high pressure gas enters the condenser heat release and reaches a d, wherein b-c emits superheat, c-d emits latent heat, d-e emits cold and hot again, refrigerant liquid enters throttling arrangement pressure and is reduced to a f, enters the evaporimeter heat absorption then and is evaporated to an a.
The winter condition in above Haiti district is an example, and source pump adopts cold-producing medium R22, condensation temperature t
k=50 ℃, evaporating temperature t
0=-5 ℃, the kind of refrigeration cycle pressure-enthalpy chart of vapor compression heat pump as shown in Figure 3, h wherein
a=417.8kJ/kg, h
d=264.5kJ/kg, h
e=238kJ/kg; The air condition that enters evaporimeter is 4.5 ℃, relative humidity 75%, water capacity d
In=3.89g/kg, h
In=14.27kJ/kg, the air condition that leaves evaporimeter is 0 ℃, relative humidity 100%, water capacity d
Out=3.76g/kg, h
Out=9.4kJ/kg.When the 1kg cold-producing medium flows through the evaporator refrigerant passage, make airborne 4.8g steam enter in the solution, the desire then calorific requirement 12kJ of this solution that regenerates, it is cold and hot again that the high pressure liquid refrigerant that 1kg is flowed out from condenser realizes that cooling more then can discharge 26.5kJ, this shows the cold and hot again regeneration that can realize of cold-producing medium to solution.
Below in conjunction with accompanying drawing the structure of the present invention and the method for operation are described further.
Embodiment one:
Fig. 4 is the structure principle chart of first kind of embodiment of solution spraying type air conditioner and heat pump unit provided by the invention, present embodiment is with the cold and hot again regeneration thermal source as solution of high pressure liquid refrigerant, and it comprises compressor 1, first heat exchanger 2, throttling arrangement 3, second heat exchanger 4, is positioned at solution catch tray 5, the first solution pump 6a, heat exchanger spray thrower 7, blower fan 8 and the heat exchanger shell 9 of the second heat exchanger bottom; Heat exchanger shell 9 middle and lower parts are provided with air intake, and outdoor air flows through second heat exchanger, 4 outflow heat exchanger housings 9 under the effect of blower fan 8, it is characterized in that: described solution spraying type source pump also comprises cross valve 10 and solution-refrigerant heat exchanger 11; Described solution-refrigerant heat exchanger 11 is arranged on the heat exchanger shell outside, and described compressor 1, cross valve 10, first heat exchanger 2, solution-refrigerant heat exchanger 11, throttling arrangement 3, second heat exchanger 4 and cross valve 10 are linked in sequence by pipeline and constitute the vapor compression heat pump closed circuit; After solution in the first solution pump 6a suction solution catch tray 5 enters 11 heat exchange of solution-refrigerant heat exchanger, spray on second heat exchanger 4 by heat exchanger spray thrower 7.
When unit winter heating moves, open second valve 13, close first valve 12.After compressed machine 1 compression of cold-producing medium, enter first heat exchanger 2 through cross valve 10, heat is emitted in condensation in first heat exchanger 2, producing hot water or hot blast uses for the user, then enter solution-refrigerant heat exchanger 11 through second valve 13, emit and enter second heat exchanger 4 through throttling arrangement 3 after cold and hot, the heat absorption evaporation is got back to compressor 1 through cross valve 10 then in second heat exchanger 4.Solution is after solution catch tray 5 flows out, entering solution-refrigerant heat exchanger 11 by 6 suctions of first solution pump absorbs cold and hot again, be sprayed at second heat exchanger, 4 surfaces by heat exchanger spray thrower 7 then, flow into solution catch tray 5 then, maintenance solution can be because of the excessive concentration crystallization.
During unit refrigerating operaton in summer, open first valve 12, close second valve 13.After compressed machine 1 compression of cold-producing medium, enter second heat exchanger 4 through cross valve 10, heat is emitted in condensation in second heat exchanger 4, liquid refrigerant enters first heat exchanger 2 through the throttling arrangement 3 and first valve 12, heat absorption evaporation in first heat exchanger 2, produce cold water or cold wind and use, get back to compressor 1 through cross valve 10 after the cold-producing medium evaporation for the user.Solution by 6 suctions of first solution pump, through after solution-refrigerant heat exchanger 11, is sprayed at back, second heat exchanger, 4 surface by heat exchanger spray thrower 7 and flows into solution catch tray 5 after solution catch tray 5 flows out.
Embodiment two:
Fig. 5 is the structure principle chart of second kind of embodiment of solution spraying type air conditioner and heat pump unit provided by the invention, present embodiment is with the cold and hot again regeneration thermal source as solution of high pressure liquid refrigerant, than embodiment one, difference is: on described vapor compression heat pump closed circuit, between outlet of the refrigerant side of first heat exchanger 2 and throttling arrangement 3 enter the mouth, set up communicating pipe, first valve 12 is set on this connecting pipe; Second valve 13 is set on the refrigerant side inlet ductwork of solution-refrigerant heat exchanger 11 simultaneously; Above second heat exchanger 4 of heat exchanger shell 9 inside, solution regenerator 16 is set, porous aggregate 17 is set in the solution regenerator 16; Described heat exchanger spray thrower 7 is made up of first regenerator-heat exchanger spray thrower 19 and second regenerator-heat exchanger spray thrower 20, solution in the solution catch tray 5 is divided into two-way after first solution pump 6a suction, after part solution enters 11 heat exchange of solution-refrigerant heat exchanger, on the solution regenerator 16 and second heat exchanger 4, a part of in addition solution is directly sprayed on the solution regenerator 16 and second heat exchanger 4 by second regenerator-heat exchanger spray thrower 20 by first regenerator-heat exchanger spray thrower 19 sprays.
When unit winter heating moves, open second valve 13, close first valve 12.After compressed machine 1 compression of cold-producing medium, enter first heat exchanger 2 through cross valve 10, heat is emitted in condensation in first heat exchanger 2, producing hot water or hot blast uses for the user, then enter solution-refrigerant heat exchanger 11 through second valve 13, emit and enter second heat exchanger 4 through throttling arrangement 3 after cold and hot, the heat absorption evaporation is got back to compressor 1 through cross valve 10 then in second heat exchanger 4.Solution is after solution catch tray 5 flows out, enter 6 superchargings of first solution pump, then be divided into two-way, after 11 absorptions of one tunnel process solution-refrigerant heat exchanger are cold and hot again, be sprayed on solution regenerator 16 and second heat exchanger, 4 surfaces by first regenerator-heat exchanger spray thrower 19, make solution regeneration, evaporate steam, flow into solution catch tray 5 then, an other route second regenerator-heat exchanger spray thrower 20 is sprayed on solution regenerator 16 and second heat exchanger, 4 surfaces, flows into solution catch tray 5 then.
During unit refrigerating operaton in summer, open first valve 12, close second valve 13.After compressed machine 1 compression of cold-producing medium, enter second heat exchanger 4 through cross valve 10, heat is emitted in condensation in second heat exchanger 4, liquid refrigerant enters first heat exchanger 2 through the throttling arrangement 3 and first valve 12, heat absorption evaporation in first heat exchanger 2, produce cold water or cold wind and use, get back to compressor 1 through cross valve 10 after the cold-producing medium evaporation for the user.Solution flows out from solution catch tray 5, after 6 superchargings of first solution pump, be divided into two-way, one the tunnel through after solution-refrigerant heat exchanger 11, be sprayed at solution regenerator 16 and second heat exchanger, 4 surface back inflow solution catch tray 5 by first regenerator-heat exchanger spray thrower 19, an other route second regenerator-heat exchanger spray thrower 20 is sprayed at solution regenerator 16 and back, second heat exchanger, 4 surface flows into solution catch tray 5.
The porous aggregate 17 that is arranged in the present embodiment in the solution regenerator 16 is PVC (hard polyethylene resin), also can adopt polypropylene and fiberglass.
Other structures of present embodiment are identical with embodiment one, do not repeat them here.
Embodiment three:
Fig. 6 is the structure principle chart of the third embodiment of solution spraying type air conditioner and heat pump unit provided by the invention, present embodiment is with the cold and hot again regeneration thermal source as solution of high pressure liquid refrigerant, and it comprises compressor 1, first heat exchanger 2, throttling arrangement 3, second heat exchanger 4, is positioned at solution catch tray 5, the first solution pump 6a, heat exchanger spray thrower 7, blower fan 8 and the heat exchanger shell 9 of the second heat exchanger bottom; Heat exchanger shell 9 middle and lower parts are provided with air intake, outdoor air flows through second heat exchanger, 4 outflow heat exchanger housings 9 under the effect of blower fan 8, it is characterized in that: described solution spraying type source pump also comprises cross valve 10 and solution-refrigerant heat exchanger 11, and described solution-refrigerant heat exchanger 11 places solution catch tray 5; Described compressor 1, cross valve 10, first heat exchanger 2, solution-refrigerant heat exchanger 11, throttling arrangement 3, second heat exchanger 4 and cross valve 10 are linked in sequence by pipeline and constitute the vapor compression heat pump closed circuit; On the heat pump cycle loop, between entering the mouth, outlet of the refrigerant side of described first heat exchanger 2 and throttling arrangement 3 set up communicating pipe, first valve 12 is set on this connecting pipe, second valve 13 is set on the refrigerant side inlet ductwork of solution-refrigerant heat exchanger 11 simultaneously, solution by after 11 heating of solution-refrigerant heat exchanger, is sprayed on second heat exchanger 4 by heat exchanger spray thrower 7 through first solution pump 6a suction in solution catch tray 5.
When unit winter heating moves, open second valve 13, close first valve 12.After compressed machine 1 compression of cold-producing medium, enter first heat exchanger 2 through cross valve 10, heat is emitted in condensation in first heat exchanger 2, producing hot water or hot blast uses for the user, then enter the solution-refrigerant heat exchanger 11 that is positioned in the solution catch tray 5 through second valve 13, emit and enter second heat exchanger 4 through throttling arrangement 3 after cold and hot, the heat absorption evaporation is got back to compressor 1 through cross valve 10 then in second heat exchanger 4.Solution absorbs cold and hot again back and flows out in solution catch tray 5, be sprayed at second heat exchanger, 4 surfaces by 6 suctions of first solution pump through heat exchanger spray thrower 7, flows into solution catch tray 5 then, and maintenance solution can be because of the excessive concentration crystallization.
During unit refrigerating operaton in summer, open first valve 12, close second valve 13.After compressed machine 1 compression of cold-producing medium, enter second heat exchanger 4 through cross valve 10, heat is emitted in condensation in second heat exchanger 4, liquid refrigerant enters first heat exchanger 2 through the throttling arrangement 3 and first valve 12, heat absorption evaporation in first heat exchanger 2, produce cold water or cold wind and use, get back to compressor 1 through cross valve 10 after the cold-producing medium evaporation for the user.Solution by 6 suctions of first solution pump, is sprayed at back, second heat exchanger, 4 surface through heat exchanger spray thrower 7 and flows into solution catch tray 5 after solution catch tray 5 flows out.
Embodiment four:
Fig. 7 is the structure principle chart of the 4th kind of embodiment of solution spraying type air conditioner and heat pump unit provided by the invention, present embodiment is with the cold and hot again regeneration thermal source as solution of high pressure liquid refrigerant, than embodiment three, difference is: in described heat exchanger shell 9 inside, second heat exchanger, 4 tops are provided with solution regenerator 16, and porous aggregate 17 is set in the solution regenerator 16; Described heat exchanger spray thrower 7 is by first regenerator-heat exchanger spray thrower 19 and second regenerator-heat exchanger spray thrower 20 is formed, and interlaced arrangement; Solution catch tray 5 is separated into the first solution catch tray 5a and the second solution catch tray 5b, increases by the second solution pump 6b simultaneously; Described solution-refrigerant heat exchanger 11 places the first solution catch tray 5a, the first solution pump 6a aspirates the solution among the first solution catch tray 5a, on the solution regenerator 16 and second heat exchanger 4, solution is flowed in the second solution catch tray 5b by first regenerator-heat exchanger spray thrower 19 sprays; Solution among the second solution catch tray 5b, is flowed in the first solution catch tray 5a on the solution regenerator 16 and second heat exchanger 4 then by second regenerator-heat exchanger spray thrower 20 sprays after second solution pump 6b suction.
When unit winter heating moves, open second valve 13, close first valve 12.After compressed machine 1 compression of cold-producing medium, enter first heat exchanger 2 through cross valve 10, heat is emitted in condensation in first heat exchanger 2, producing hot water or hot blast uses for the user, then enter and be positioned over solution-refrigerant heat exchanger 11 of separating in the solution catch tray 5 through second valve 13, emit and enter second heat exchanger 4 through throttling arrangement 3 after cold and hot, the heat absorption evaporation is got back to compressor 1 through cross valve 10 then in second heat exchanger 4.Solution among the first solution catch tray 5a is by 11 heating of solution-refrigerant heat exchanger, after first solution pump 6a suction, spray on the solution regenerator 16 and second heat exchanger 4 by first regenerator-heat exchanger spray thrower 19, flow back to then in the second solution catch tray 5b, solution among the second solution catch tray 5b is after second solution pump 6b suction, spray on the solution regenerator 16 and second heat exchanger 4 by second regenerator-heat exchanger spray thrower 20, flow back to then in the first solution catch tray 5a, maintenance solution can be because of the excessive concentration crystallization.
During unit refrigerating operaton in summer, open first valve 12, close second valve 13.After compressed machine 1 compression of cold-producing medium, enter second heat exchanger 4 through cross valve 10, heat is emitted in condensation in second heat exchanger 4, liquid refrigerant enters first heat exchanger 2 through the throttling arrangement 3 and first valve 12, heat absorption evaporation in first heat exchanger 2, produce cold water or cold wind and use, get back to compressor 1 through cross valve 10 after the cold-producing medium evaporation for the user.Solution among the first solution catch tray 5a is by 11 heating of solution-refrigerant heat exchanger, after first solution pump 6a suction, spray on the solution regenerator 16 and second heat exchanger 4 by first regenerator-heat exchanger spray thrower 19, flow back to then in the second solution catch tray 5b, solution among the second solution catch tray 5b is after second solution pump 6b suction,, on the solution regenerator 16 and second heat exchanger 4, flow back to then in the first solution catch tray 5a by second regenerator-heat exchanger spray thrower 20 sprays.
The porous aggregate 17 that is arranged in the present embodiment in the solution regenerator 16 is PVC (hard polyethylene resin), also can adopt polypropylene and fiberglass.
Other structures of present embodiment are identical with embodiment three, do not repeat them here.
Embodiment five:
Fig. 8 is the structure principle chart of the 5th kind of embodiment of solution spraying type air conditioner and heat pump unit provided by the invention, present embodiment is with the cold and hot again regeneration thermal source as solution of high pressure liquid refrigerant, and it comprises compressor 1, first heat exchanger 2, throttling arrangement 3, second heat exchanger 4, is positioned at solution catch tray 5, the first solution pump 6a, heat exchanger spray thrower 7, blower fan 8 and the heat exchanger shell 9 of the second heat exchanger bottom; Heat exchanger shell 9 middle and lower parts are provided with air intake, and outdoor air flows through second heat exchanger, 4 outflow heat exchanger housings 9 under the effect of blower fan 8; It is characterized in that: described solution spraying type source pump also comprises cross valve 10, solution-refrigerant heat exchanger 11, the 3rd valve 14, solution regenerator 16 and regenerator spray thrower 18; Described compressor 1, cross valve 10, first heat exchanger 2, solution-refrigerant heat exchanger 11, throttling arrangement 3, second heat exchanger 4 and cross valve 10 are linked in sequence by pipeline and constitute the vapor compression heat pump closed circuit; Solution regenerator 16 places in the heat exchanger shell 9, and regenerator spray thrower 18 places the top of solution regenerator 16, and porous aggregate 17 is set in the solution regenerator 16; Solution in the solution catch tray 5 is divided into two-way after first solution pump 6a suction, one the tunnel is directly sprayed on second heat exchanger 4 by heat exchanger spray thrower 7, other one the tunnel through the 3rd valve 14, solution-refrigerant heat exchanger 11, is sprayed on solution regenerator 16 by regenerator spray thrower 18.
When unit winter heating moves, open the 3rd valve 14.After compressed machine 1 compression of cold-producing medium, enter first heat exchanger 2 through cross valve 10, heat is emitted in condensation in first heat exchanger 2, producing hot water or hot blast uses for the user, then high pressure liquid refrigerant enters solution-refrigerant heat exchanger 11, emit and enter second heat exchanger 4 through throttling arrangement 3 after cold and hot, the cold-producing medium evaporation of absorbing heat in second heat exchanger 4 is got back to compressor 1 through cross valve 10 then.Solution is after solution catch tray 5 flows out, enter 6 superchargings of first solution pump, then be divided into two-way, one route heat exchanger spray thrower 7 is sprayed at back, second heat exchanger, 4 surface and flows into solution catch tray 5, other one the tunnel enters solution-refrigerant heat exchanger 11 through the 3rd valve 14 absorbs the cold and hot again of highly pressurised liquid, with heated solution, these hot solution spray on solution regenerator 16 surfaces through regenerator spray thrower 18, because the steam partial pressure on hot solution drop surface is higher than the steam partial pressure in the outdoor air, make the airborne moisture that absorbs in endothermic process because of second heat exchanger 4 in the solution be reduced into steam again, discharging under the swabbing action of blower fan 8 outside the heat exchanger shell 9, thereby guaranteeing that the solution concentration in the solution catch tray 5 keeps constant; The solution that evaporates then behind the steam flows into solution catch traies 5 from solution regenerator 16 surfaces.
During unit refrigerating operaton in summer, close the 3rd valve 14.After compressed machine 1 compression of cold-producing medium, enter second heat exchanger 4 through cross valve 10, heat is emitted in condensation in second heat exchanger 4, liquid refrigerant enters first heat exchanger 2 through throttling arrangement 3, solution-refrigerant heat exchanger 11, heat absorption evaporation in first heat exchanger 2, produce cold water or cold wind and use, get back to compressor 1 through cross valve 10 after the cold-producing medium evaporation for the user.Because the 3rd valve 14 is closed, the cold-producing medium after throttling arrangement 3 throttlings can not carry out heat exchange with solution, can not influence refrigeration.Solution flows out from solution catch tray 5, is sprayed at back, second heat exchanger, 4 surface by heat exchanger spray thrower 7 and flows into solution catch tray 5 after 6 superchargings of first solution pump.
Embodiment six:
Fig. 9 is the structure principle chart of the 6th kind of embodiment of solution spraying type air conditioner and heat pump unit provided by the invention, present embodiment is with the cold and hot again regeneration thermal source as solution of high pressure liquid refrigerant, than embodiment five, difference is: described solution regenerator 16 places heat exchanger spray thrower 7 tops, and described solution spraying type source pump also comprises the 4th valve 15; Described compressor 1, cross valve 10, first heat exchanger 2, solution-refrigerant heat exchanger 11, throttling arrangement 3, second heat exchanger 4 and cross valve 10 are linked in sequence by pipeline and constitute the vapor compression heat pump closed circuit, on described vapor compression heat pump closed circuit, between outlet of the refrigerant side of first heat exchanger 2 and throttling arrangement 3 enter the mouth, set up communicating pipe, first valve 12 is set on this connecting pipe; Second valve 13 is set on the refrigerant side inlet ductwork of solution-refrigerant heat exchanger 11 simultaneously, solution in the solution catch tray 5 is divided into two-way after first solution pump 6a suction, one the tunnel through the 4th valve 15 by heat exchanger spray thrower 7 spray on second heat exchanger 4, other one the tunnel through the 3rd valve 14 and solution-refrigerant heat exchanger 11, is sprayed on the solution regenerator 16 and second heat exchanger 4 by regenerator spray thrower 18.
When unit winter heating moves, open the 3rd valve 14, the 4th valve 15 and second valve 13, close first valve 12.After compressed machine 1 compression of cold-producing medium, enter first heat exchanger 2 through cross valve 10, heat is emitted in condensation in first heat exchanger 2, producing hot water or hot blast uses for the user, then enter solution-refrigerant heat exchanger 11 through second valve 13, emit and enter second heat exchanger 4 through throttling arrangement 3 after cold and hot, the heat absorption evaporation is got back to compressor 1 through cross valve 10 then in second heat exchanger 4.Solution flows out from solution catch tray 5, after solution pump 6 suctions, be divided into two-way, one the tunnel flows into solution catch tray 5 through the 4th valve 15 is sprayed at second heat exchanger, 4 surfaces by heat exchanger spray thrower 7 after, other one the tunnel enters solution-refrigerant heat exchanger 11 through the 3rd valve 14 absorbs cold and hotly again, flows into solution catch traies 5 by regenerator spray thrower 18 sprays at solution regenerator 16 and back, second heat exchanger, 4 surface.
During unit refrigerating operaton in summer, open the 3rd valve 14 and first valve 12, close the 4th valve 15 and second valve 13.After compressed machine 1 compression of cold-producing medium, enter second heat exchanger 4 through cross valve 10, heat is emitted in condensation in second heat exchanger 4, liquid refrigerant enters first heat exchanger 2 through the throttling arrangement 3 and first valve 12, heat absorption evaporation in first heat exchanger 2, produce cold water or cold wind and use, get back to compressor 1 through cross valve 10 after the cold-producing medium evaporation for the user.Solution flows out from solution catch tray 5, by after 6 superchargings of first solution pump through the 3rd valve 14 and solution-refrigerant heat exchanger 11, be sprayed at solution regenerator 16 and back, second heat exchanger, 4 surface flows into solution catch traies 5 by regenerator spray thrower 18.
Other structures of present embodiment are identical with embodiment five, do not repeat them here.
Again in the solution spraying type source pump technical scheme of cold and hot actified solution, adopt the solution spraying air at the above-mentioned cold-producing medium that utilizes when source pump winter and summer operation.What deserves to be mentioned is, occur flying away at summer operation, also can solution be replaced by water in summer for preventing solution.
Claims (10)
1. a solution spraying type source pump comprises compressor (1), first heat exchanger (2), throttling arrangement (3), second heat exchanger (4), the solution catch tray (5) that is positioned at the second heat exchanger bottom, first solution pump (6a), heat exchanger spray thrower (7), blower fan (8) and heat exchanger shell (9); Heat exchanger shell (9) middle and lower part is provided with air intake, outdoor air flows through second heat exchanger (4) outflow heat exchanger housing (9) under the effect of blower fan (8), it is characterized in that: described solution spraying type source pump also comprises cross valve (10) and solution-refrigerant heat exchanger (11); Described solution-refrigerant heat exchanger (11) is arranged on the heat exchanger shell outside, and described compressor (1), cross valve (10), first heat exchanger (2), solution-refrigerant heat exchanger (11), throttling arrangement (3), second heat exchanger (4) and cross valve (10) are linked in sequence by pipeline and constitute the vapor compression heat pump closed circuit; After solution in first solution pump (6a) the suction solution catch tray (5) enters solution-refrigerant heat exchanger (11) heat exchange, spray on second heat exchanger (4) by heat exchanger spray thrower (7).
2. a kind of solution spraying type source pump according to claim 1, it is characterized in that: on described vapor compression heat pump closed circuit, between outlet of the refrigerant side of first heat exchanger (2) and throttling arrangement (3) enter the mouth, set up communicating pipe, first valve (12) is set on this connecting pipe; Second valve (13) is set on the refrigerant side inlet ductwork of solution-refrigerant heat exchanger (11) simultaneously; Second heat exchanger (4) top inner at heat exchanger shell (9) is provided with solution regenerator (16), and porous aggregate (17) is set in the solution regenerator (16); Described heat exchanger spray thrower (7) is made up of first regenerator-heat exchanger spray thrower (19) and second regenerator-heat exchanger spray thrower (20), solution in the solution catch tray (5) is divided into two-way after first solution pump (6a) suction, after part solution enters solution-refrigerant heat exchanger (11) heat exchange, sprayed on solution regenerator (16) and second heat exchanger (4) by first regenerator-heat exchanger spray thrower (19), a part of in addition solution is directly sprayed on solution regenerator (16) and second heat exchanger (4) by second regenerator-heat exchanger spray thrower (20).
3. a solution spraying type source pump comprises compressor (1), first heat exchanger (2), throttling arrangement (3), second heat exchanger (4), the solution catch tray (5) that is positioned at the second heat exchanger bottom, first solution pump (6a), heat exchanger spray thrower (7), blower fan (8) and heat exchanger shell (9); Heat exchanger shell (9) middle and lower part is provided with air intake, outdoor air flows through second heat exchanger (4) outflow heat exchanger housing (9) under the effect of blower fan (8), it is characterized in that: described solution spraying type source pump also comprises cross valve (10) and solution-refrigerant heat exchanger (11), and described solution-refrigerant heat exchanger (11) places solution catch tray (5); Described compressor (1), cross valve (10), first heat exchanger (2), solution-refrigerant heat exchanger (11), throttling arrangement (3), second heat exchanger (4) and cross valve (10) are linked in sequence by pipeline and constitute the vapor compression heat pump closed circuit; On the heat pump cycle loop, between entering the mouth, outlet of the refrigerant side of described first heat exchanger (2) and throttling arrangement (3) set up communicating pipe, first valve (12) is set on this connecting pipe, second valve (13) is set on the refrigerant side inlet ductwork of solution-refrigerant heat exchanger (11) simultaneously, solution by after solution-refrigerant heat exchanger (11) heating, is sprayed on second heat exchanger (4) by heat exchanger spray thrower (7) through first solution pump (6a) suction in solution catch tray (5).
4. a kind of solution spraying type source pump according to claim 3 is characterized in that: in described heat exchanger shell (9) inside, second heat exchanger (4) top is provided with solution regenerator (16), and porous aggregate (17) is set in the solution regenerator (16); Described heat exchanger spray thrower (7) is by first regenerator-heat exchanger spray thrower (19) and second regenerator-heat exchanger spray thrower (20) is formed, and interlaced arrangement; Solution catch tray (5) is separated into the first solution catch tray (5a) and the second solution catch tray (5b), increases by second solution pump (6b) simultaneously; Described solution-refrigerant heat exchanger (11) places the first solution catch tray (5a), solution in first solution pump (6a) suction, the first solution catch tray (5a), spray on solution regenerator (16) and second heat exchanger (4) by first regenerator-heat exchanger spray thrower (19), solution is flowed in the second solution catch tray (5b); Solution in the second solution catch tray (5b) is sprayed on solution regenerator (16) and second heat exchanger (4) by second regenerator-heat exchanger spray thrower (20) after second solution pump (6b) suction, flows into then in the first solution catch tray (5a).
5. a solution spraying type source pump comprises compressor (1), first heat exchanger (2), throttling arrangement (3), second heat exchanger (4), the solution catch tray (5) that is positioned at the second heat exchanger bottom, first solution pump (6a), heat exchanger spray thrower (7), blower fan (8) and heat exchanger shell (9); Heat exchanger shell (9) middle and lower part is provided with air intake, and outdoor air flows through second heat exchanger (4) outflow heat exchanger housing (9) under the effect of blower fan (8); It is characterized in that: described solution spraying type source pump also comprises cross valve (10), solution-refrigerant heat exchanger (11), the 3rd valve (14), solution regenerator (16) and regenerator spray thrower (18); Described compressor (1), cross valve (10), first heat exchanger (2), solution-refrigerant heat exchanger (11), throttling arrangement (3), second heat exchanger (4) and cross valve (10) are linked in sequence by pipeline and constitute the vapor compression heat pump closed circuit; Solution regenerator (16) places in the heat exchanger shell (9), and regenerator spray thrower (18) places the top of solution regenerator (16), and porous aggregate (17) is set in the solution regenerator (16); Solution in the solution catch tray (5) is divided into two-way after first solution pump (6a) suction, one the tunnel is directly sprayed on second heat exchanger (4) by heat exchanger spray thrower (7), other one the tunnel through the 3rd valve (14), solution-refrigerant heat exchanger (11), is sprayed on solution regenerator (16) by regenerator spray thrower (18).
6. a kind of solution spraying type source pump according to claim 5 is characterized in that: described solution regenerator (16) places heat exchanger spray thrower (7) top, and described solution spraying type source pump also comprises the 4th valve (15); Described compressor (1), cross valve (10), first heat exchanger (2), solution-refrigerant heat exchanger (11), throttling arrangement (3), second heat exchanger (4) and cross valve (10) are linked in sequence by pipeline and constitute the vapor compression heat pump closed circuit, on described vapor compression heat pump closed circuit, between outlet of the refrigerant side of first heat exchanger (2) and throttling arrangement (3) enter the mouth, set up communicating pipe, first valve (12) is set on this connecting pipe; Second valve (13) is set on the refrigerant side inlet ductwork of solution-refrigerant heat exchanger (11) simultaneously, solution in the solution catch tray (5) is divided into two-way after first solution pump (6a) suction, one the tunnel through the 4th valve (15) by heat exchanger spray thrower (7) spray on second heat exchanger (4), other one the tunnel through the 3rd valve (14) and solution-refrigerant heat exchanger (11), is sprayed on solution regenerator (16) and second heat exchanger (4) by regenerator spray thrower (18).
7. according to the described a kind of solution spraying type source pump of the arbitrary claim of claim 1～6, it is characterized in that: used solution is water, organic solution or inorganic solution in the described solution spraying type air conditioner and heat pump unit.
8. a kind of solution spraying type source pump according to claim 7 is characterized in that: described organic solution is that freezing point is lower than 0 ℃ ethylene glycol, propane diols or glycerine; Described inorganic solution is the solution of calcium chloride, sodium chloride or sodium acetate.
9. according to the described a kind of solution spraying type source pump of the arbitrary claim of claim 1～6, it is characterized in that: described first heat exchanger (2) is cold-producing medium-air heat exchanger or cold-producing medium-water-to-water heat exchanger, and described first heat exchanger (2) is arranged on indoor; Solution-refrigerant heat exchanger (11) is bushing type or plate type heat exchanger.
10. according to the described a kind of solution spraying type source pump of the arbitrary claim of claim 1～6, it is characterized in that: the refrigerant tubing arranged outside porous aggregate (17) in described second heat exchanger (4).
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| CN2011100764789A CN102116537A (en) | 2011-03-29 | 2011-03-29 | Solution spray type heat pump set |
| CN 201110146098 CN102230688A (en) | 2011-03-29 | 2011-06-01 | Solution-spraying heat pump unit |
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| CN2011100764789A CN102116537A (en) | 2011-03-29 | 2011-03-29 | Solution spray type heat pump set |
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| CN 201110146098 Pending CN102230688A (en) | 2011-03-29 | 2011-06-01 | Solution-spraying heat pump unit |
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