CN201757537U - Liquid-feeding circulation cold/hot water unit of evaporative condensate pump - Google Patents
Liquid-feeding circulation cold/hot water unit of evaporative condensate pump Download PDFInfo
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- CN201757537U CN201757537U CN2010202805981U CN201020280598U CN201757537U CN 201757537 U CN201757537 U CN 201757537U CN 2010202805981 U CN2010202805981 U CN 2010202805981U CN 201020280598 U CN201020280598 U CN 201020280598U CN 201757537 U CN201757537 U CN 201757537U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 171
- 238000005057 refrigeration Methods 0.000 claims abstract description 69
- 239000003507 refrigerant Substances 0.000 claims abstract description 42
- 230000006835 compression Effects 0.000 claims abstract description 30
- 238000007906 compression Methods 0.000 claims abstract description 30
- 238000001704 evaporation Methods 0.000 claims abstract description 25
- 230000005484 gravity Effects 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 3
- 230000009897 systematic effect Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 14
- 238000001816 cooling Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses a liquid-feeding circulation cold/hot water unit of an evaporative condensate pump, which comprises a vapor compression refrigeration cycle and a vapor compression heat pump cycle, wherein the vapor compression refrigeration cycle includes a compressor, a first refrigerating valve, an evaporative condenser, a second refrigerating valve, a throttling device, a circulating liquid storage barrel, a liquid pump, a third refrigerating valve, an evaporator and a fourth refrigerating valve; and the vapor compression heat pump cycle includes the compressor, a first heat pump valve, the evaporator, a second heat pump valve, the throttling device, the circulating liquid storage barrel, the liquid pump, a third heat pump valve, the evaporative condenser, and a fourth heat pump valve. The two cycles can be switched according requirements in use, and the liquid pump is used to transfer liquid refrigerant to the evaporator or the evaporative condenser. Compared with prior art, the liquid-feeding circulation cold/hot water unit of the evaporating condensate pump has the advantages of higher heat exchange efficiency, safeness and security of use, no frost in winter, and efficient running, and can supply domestic hot water free of charge.
Description
Technical field
The present invention relates to a kind of hot and cold water unit, especially a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit that needs annual air conditioner cold-warm supply that is applicable to.
Background technology
Present steam compression type hot and cold water unit can be divided into Air-Cooled Heat Pump Unit, water cooling heat pump unit and earth source heat pump unit according to condensing mode.Air-Cooled Heat Pump Unit is to utilize forced ventilation to realize the heat exchange of heat exchanger and air, and when summer temperature was higher, heat exchanger effectiveness was low, caused the condensation temperature height, influenced the refrigerating efficiency of refrigeration system; Easily frosting of outdoor heat exchanger surface when heating in the winter time, low temperature tolerance ability is poor, so not only reduces the heat exchange efficiency of outdoor heat exchanger, and unit needs Defrost operation, has significantly reduced effectively to heat the working time.The water cooled refrigeration unit is realized heat exchange by cooling water in water-cooled condenser, its weak point is the systematic comparison complexity, needs the circulatory system of water pump and cooling tower, and flies water and noise effect is serious.Earth source heat pump has higher requirements to the water yield and the water quality at water source, has the restriction of recharging and building geographical conditions when it is used and needs a large amount of underground areas.Therefore, higher, the heat pump techniques that is not subjected to geographical conditions restrictions of market demand heating efficiency.
In addition, also there are many deficiencies in existing evaporimeter feed liquid way, and the dry system Energy Efficiency Ratio is on the low side, and there are problems such as liquid level control difficulty and oil return difficulty in the full-liquid type system, so the evaporimeter liquid-supplying system that the market demand heat exchange efficiency is higher, more safe and reliable improves the evaporimeter heat exchange efficiency.
Summary of the invention
The objective of the invention is for overcoming the shortcoming and defect that above-mentioned prior art exists, a kind of heat exchange efficiency height, safe and reliable is provided, and can exempt frost, efficient operation in the winter time, and a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit that free domestic hot-water can be provided.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit comprises compressor 1, evaporative condenser 2, throttling arrangement 3, circulation liquid storing barrel 4, liquid pump 5, evaporimeter 6; The exhaust outlet of described compressor 1 is connected with the flue 2a of evaporative condenser 2 by first refrigeration valve 11, and the air inlet of compressor 1 is connected with the top exit of circulation liquid storing barrel 4; The liquid line 2b of described evaporative condenser 2 is connected with the bottom inlet of circulation liquid storing barrel 4 with throttling arrangement 3 by second refrigeration valve 12 successively; The inlet of described liquid pump 5 is connected with the outlet at bottom of circulation liquid storing barrel 4, and the outlet of liquid pump 5 is connected with the liquid line 6a of evaporimeter 6 by the 3rd refrigeration valve 13; The flue 6b of described evaporimeter 6 is connected with the upper entrance of circulation liquid storing barrel 4 by the 4th refrigeration valve 14; This unit also comprises the first heat pump valve 21, the second heat pump valve 22, the 3rd heat pump valve 23 and the 4th heat pump valve 24; The inlet of the described first heat pump valve 21 is connected with the exhaust outlet of compressor 1, and the outlet of the first heat pump valve 21 is connected with the flue 6b of evaporimeter 6; The inlet of the described second heat pump valve 22 is connected with the liquid line 6a of evaporimeter 6, and the outlet of the second heat pump valve 22 is connected with the bottom inlet of circulation liquid storing barrel 4 by throttling arrangement 3; The inlet of described the 3rd heat pump valve 23 is connected with the outlet of liquid pump 5, and the outlet of the 3rd heat pump valve 23 is connected with the liquid line 2b of evaporative condenser 2; The inlet of described the 4th heat pump valve 24 is connected with the flue 2a of evaporative condenser 2, and the outlet of the 4th heat pump valve 24 is connected with the upper entrance of circulation liquid storing barrel 4; Described compressor 1, first refrigeration valve 11, evaporative condenser 2, second refrigeration valve 12, throttling arrangement 3, circulation liquid storing barrel 4, liquid pump 5, the 3rd refrigeration valve 13, evaporimeter 6, the 4th refrigeration valve 14 are formed the steam compression type refrigerating circulation; Described compressor 1, the first heat pump valve 21, evaporimeter 6, the second heat pump valve 22, throttling arrangement 3, circulation liquid storing barrel 4, liquid pump 5, the 3rd heat pump valve 23, evaporative condenser 2, the 4th heat pump valve 24 are formed the vapor compression heat pump circulation.
As a kind of improvement of the present invention, described first refrigeration valve 11 and the first heat pump valve 21 are merged into first two position three way directional control valve 31; Described second refrigeration valve 12 and the 3rd heat pump valve 23 are merged into second two position three way directional control valve 32; Described the 3rd refrigeration valve 13 and the second heat pump valve 22 are merged into the 3rd two position three way directional control valve 33; Described the 4th refrigeration valve 14 and the 4th heat pump valve 24 are merged into the 4th two position three way directional control valve 34; The first port 31a of described first two position three way directional control valve 31 is connected with the exhaust outlet of compressor 1, the second port 31b of first two position three way directional control valve 31 is connected with the flue 2a of evaporative condenser 2, and the 3rd port 31c of first two position three way directional control valve 31 is connected with the flue 6b of evaporimeter 6; The first port 32a of described second two position three way directional control valve 32 is connected with the liquid line 2b of evaporative condenser 2, the second port 32b of second two position three way directional control valve 32 is connected with the inlet of throttling arrangement 3, and the 3rd port 32c of second two position three way directional control valve 32 is connected with the outlet of liquid pump 5; The first port 33a of described the 3rd two position three way directional control valve 33 is connected with the outlet of liquid pump 5, the second port 33b of the 3rd two position three way directional control valve 33 is connected with the liquid line 6a of evaporimeter 6, and the 3rd port 33c of the 3rd two position three way directional control valve 33 is connected with the inlet of throttling arrangement 3; The first port 34a of described the 4th two position three way directional control valve 34 is connected with the flue 6b of evaporimeter 6, the second port 34b of the 4th two position three way directional control valve 34 is connected with the flue 2a of evaporative condenser 2, and the 3rd port 34c of the 4th two position three way directional control valve 34 is connected with the upper entrance of circulation liquid storing barrel 4.
As a kind of improvement of the present invention, described first refrigeration valve 11, second refrigeration valve 12, the 3rd refrigeration valve 13, the 4th refrigeration valve 14, the first heat pump valve 21, the second heat pump valve 22, the 3rd heat pump valve 23, the 4th heat pump valve 24 adopt magnetic valve or motor-driven valve.
As a kind of improvement of the present invention, described first two position three way directional control valve 31, second two position three way directional control valve 32, the 3rd two position three way directional control valve 33, the 4th two position three way directional control valve 34 adopt electronic two position three way directional control valve or Pneumatic two-position three-way reversal valve.
As a kind of improvement of the present invention, the exhaust outlet of described compressor 1 is provided with heat regenerator 7; The inlet of described heat regenerator 7 is connected with the exhaust outlet of compressor 1, and the outlet of heat regenerator 7 connects the inlet of first refrigeration valve 11 and the inlet of the first heat pump valve 21 respectively, perhaps connects the first port 31a of first two position three way directional control valve 31.
As a kind of improvement of the present invention, described evaporative condenser 2 adopts tube-plate evaporative condensing device or coiled evaporative condenser.
As a kind of improvement of the present invention, described evaporimeter 6 adopts shell and tube evaporator or finned evaporator.
As a kind of improvement of the present invention, described evaporimeter 6 adopts a plurality of parallel waies to connect.
As a kind of improvement of the present invention, the two ends of described liquid pump 5 are parallel with gravity force liquid-supply conversion valve 8.
As a kind of improvement of the present invention, be provided with device for drying and filtering 9 and liquid-sighting glass 10 between the import of the outlet of described evaporative condenser 2 and throttling arrangement 3.
Compared with prior art, the invention has the beneficial effects as follows:
1, the present invention adopts liquid pump to the evaporimeter feed flow in summer during cooling condition, realizes the steam compression type refrigerating circulation, and more safe and reliable evaporimeter liquid-supplying system is provided, and has higher heat exchange efficiency than traditional dry evaporator or flooded evaporator at present.
2, the present invention is in the winter time during the heat pump operating mode, by conversion valves such as two-port valve or two position three way directional control valves, realizes that evaporimeter and evaporative condenser function change mutually, and by liquid pump to evaporimeter or evaporative condenser feed flow, improve its heat exchange efficiency.In addition, in evaporative condenser, add antifreezing agent after, applicable to than the lower operating mode of traditional air-cooled heat pump temperature, and can realize exempting the frost level effect and move.
3, the present invention utilizes heat regenerator 7 to collect the used heat that compressor 1 is discharged, in order to substitute domestic boiler supply life hot water; Than prior art, the present invention not only can provide the domestic hot-water, has also reduced the condensing pressure of unit, saves operating cost; Saved the construction cost of boiler and boiler room simultaneously, saved coal, oil fuel expense greatly, alleviated the pollution of boiler smoke atmosphere.
Description of drawings
Fig. 1 shows the systematic schematic diagram of a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit of the present invention.
Fig. 2 shows the systematic schematic diagram of a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit that adopts two position three way directional control valve.
Fig. 3 schematically shows steam compression type refrigerating circulation of the present invention, i.e. systematic schematic diagram under the cooling condition in summer.
Fig. 4 schematically shows vapor compression heat pump circulation of the present invention, i.e. systematic schematic diagram under the heat pump operating mode in winter.
Fig. 5 shows the systematic schematic diagram that adopts a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit that a plurality of evaporimeters are connected in parallel.
Fig. 6 shows the systematic schematic diagram of a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit that adopts heat regenerator.
Fig. 7 shows the systematic schematic diagram of a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit that adopts the gravity force liquid-supply conversion valve.
Fig. 8 shows the systematic schematic diagram of a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit that adopts device for drying and filtering and liquid-sighting glass.
Among the figure: 1 compressor, 2 evaporative condensers, 3 throttling arrangements, 4 circulation liquid storing barrels, 5 liquid pumps, 6 evaporimeters, 7 heat regenerators, 8 gravity force liquid-supply conversion valves, 9 devices for drying and filtering, 10 liquid-sighting glass, 11 first refrigeration valve, 12 second refrigeration valve, 13 the 3rd refrigeration valve, 14 the 4th refrigeration valve, 21 first heat pump valves, 22 second heat pump valves, 23 the 3rd heat pump valves, 24 the 4th heat pump valves, 31 first two position three way directional control valves, 32 second two position three way directional control valves, 33 the 3rd two position three way directional control valves, 34 the 4th two position three way directional control valves.
The specific embodiment
Fig. 1 shows the systematic schematic diagram of a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit of the present invention, comprises compressor 1, evaporative condenser 2, throttling arrangement 3, circulation liquid storing barrel 4, liquid pump 5, evaporimeter 6; The exhaust outlet of described compressor 1 is connected with the flue 2a of evaporative condenser 2 by first refrigeration valve 11, and the air inlet of compressor 1 is connected with the top exit of circulation liquid storing barrel 4; The liquid line 2b of described evaporative condenser 2 is connected with the bottom inlet of circulation liquid storing barrel 4 with throttling arrangement 3 by second refrigeration valve 12 successively; The inlet of described liquid pump 5 is connected with the outlet at bottom of circulation liquid storing barrel 4, and the outlet of liquid pump 5 is connected with the liquid line 6a of evaporimeter 6 by the 3rd refrigeration valve 13; The flue 6b of described evaporimeter 6 is connected with the upper entrance of circulation liquid storing barrel 4 by the 4th refrigeration valve 14.
This unit also comprises the first heat pump valve 21, the second heat pump valve 22, the 3rd heat pump valve 23 and the 4th heat pump valve 24; The inlet of the described first heat pump valve 21 is connected with the exhaust outlet of compressor 1, and the outlet of the first heat pump valve 21 is connected with the flue 6b of evaporimeter 6; The inlet of the described second heat pump valve 22 is connected with the liquid line 6a of evaporimeter 6, and the outlet of the second heat pump valve 22 is connected with the bottom inlet of circulation liquid storing barrel 4 by throttling arrangement 3; The inlet of described the 3rd heat pump valve 23 is connected with the outlet of liquid pump 5, and the outlet of the 3rd heat pump valve 23 is connected with the liquid line 2b of evaporative condenser 2; The inlet of described the 4th heat pump valve 24 is connected with the flue 2a of evaporative condenser 2, and the outlet of the 4th heat pump valve 24 is connected with the upper entrance of circulation liquid storing barrel 4.
Described compressor 1, first refrigeration valve 11, evaporative condenser 2, second refrigeration valve 12, throttling arrangement 3, circulation liquid storing barrel 4, liquid pump 5, the 3rd refrigeration valve 13, evaporimeter 6, the 4th refrigeration valve 14 are formed the steam compression type refrigerating circulation; Described compressor 1, the first heat pump valve 21, evaporimeter 6, the second heat pump valve 22, throttling arrangement 3, circulation liquid storing barrel 4, liquid pump 5, the 3rd heat pump valve 23, evaporative condenser 2, the 4th heat pump valve 24 are formed the vapor compression heat pump circulation.
A kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit of described embodiment 1 has steam compression type refrigerating circulation and two kinds of operational modes of vapor compression heat pump circulation.
Fig. 3 schematically shows steam compression type refrigerating circulation of the present invention, i.e. systematic schematic diagram under the cooling condition in summer.As shown in Figure 3, compressor 1 and liquid pump 5 all move; Open first refrigeration valve 11, second refrigeration valve 12, the 3rd refrigeration valve 13 and the 4th refrigeration valve 14, close the first heat pump valve 21, the second heat pump valve 22, the 3rd heat pump valve 23 and the 4th heat pump valve 24, this moment, system carried out steam compression type refrigerating circulation: the gaseous refrigerant in the compressor 1 suction circulation liquid storing barrel 4 is compressed into the gas of high-temperature high-pressure state; The gaseous refrigerant of HTHP enters evaporative condenser 2 through the flue 2a of first refrigeration valve 11, evaporative condenser 2 successively, and heat release is condensed into the liquid of temperature in the high pressure; High pressure liquid refrigerant enters in the circulation liquid storing barrel 4 after the liquid line 2b of evaporative condenser, second refrigeration valve 12, throttling arrangement 3 step-downs successively; Liquid refrigerant in the circulation liquid storing barrel 4, is sent in the evaporimeter 6 through the liquid line 6a of the 3rd refrigeration valve 13, evaporimeter 6 through liquid pump 5 superchargings more successively by the lower part outlet of circulation liquid storing barrel 4, carries out producing cold water or cold wind after the heat exchange with water or air; The gas-liquid mixture of cold-producing medium enters in the circulation liquid storing barrel 4 through flue 6b, the 4th refrigeration valve 14 of evaporimeter 6 successively, realizes the steam compression type refrigerating circulation.
Fig. 4 schematically shows vapor compression heat pump circulation of the present invention, i.e. systematic schematic diagram under the heat pump operating mode in winter.As shown in Figure 4, compressor 1 and liquid pump 5 all move; Open the first heat pump valve 21, the second heat pump valve 22, the 3rd heat pump valve 23 and the 4th heat pump valve 24, close first refrigeration valve 11, second refrigeration valve 12, the 3rd refrigeration valve 13 and the 4th refrigeration valve 14, this moment, system carried out vapor compression heat pump circulation: the gaseous refrigerant in the compressor 1 suction circulation liquid storing barrel 4 is compressed into the gas of high-temperature high-pressure state; The gaseous refrigerant of HTHP enters evaporimeter 6 through the flue 6b of the first heat pump valve 21, evaporimeter 6 successively, and heat release is condensed into the liquid of temperature in the high pressure; High pressure liquid refrigerant enters in the circulation liquid storing barrel 4 after the liquid line 6a of evaporimeter, the second heat pump valve 22, throttling arrangement 3 step-downs successively; Liquid refrigerant in the circulation liquid storing barrel 4 is by the lower part outlet of circulation liquid storing barrel 4, through liquid pump 5 superchargings, send in the evaporative condenser 2 through the liquid line 2b of the 3rd heat pump valve 23, evaporative condenser 2 successively again, carry out producing cold water or cold wind after the heat exchange with water or air; The gas-liquid mixture of cold-producing medium enters in the circulation liquid storing barrel 4 through flue 2a, the 4th heat pump valve 24 of evaporative condenser 2 successively, realizes the vapor compression heat pump circulation.
Fig. 2 shows the systematic schematic diagram of a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit that adopts two position three way directional control valve.This scheme is merged into first two position three way directional control valve 31 with described first refrigeration valve 11 and the first heat pump valve 21; Described second refrigeration valve 12 and the 3rd heat pump valve 23 are merged into second two position three way directional control valve 32; Described the 3rd refrigeration valve 13 and the second heat pump valve 22 are merged into the 3rd two position three way directional control valve 33; Described the 4th refrigeration valve 14 and the 4th heat pump valve 24 are merged into the 4th two position three way directional control valve 34; The first port 31a of described first two position three way directional control valve 31 is connected with the exhaust outlet of compressor 1, the second port 31b of first two position three way directional control valve 31 is connected with the flue 2a of evaporative condenser 2, and the 3rd port 31c of first two position three way directional control valve 31 is connected with the flue 6b of evaporimeter 6; The first port 32a of described second two position three way directional control valve 32 is connected with the liquid line 2b of evaporative condenser 2, the second port 32b of second two position three way directional control valve 32 is connected with the inlet of throttling arrangement 3, and the 3rd port 32c of second two position three way directional control valve 32 is connected with the outlet of liquid pump 5; The first port 33a of described the 3rd two position three way directional control valve 33 is connected with the outlet of liquid pump 5, the second port 33b of the 3rd two position three way directional control valve 33 is connected with the liquid line 6a of evaporimeter 6, and the 3rd port 33c of the 3rd two position three way directional control valve 33 is connected with the inlet of throttling arrangement 3; The first port 34a of described the 4th two position three way directional control valve 34 is connected with the flue 6b of evaporimeter 6, the second port 34b of the 4th two position three way directional control valve 34 is connected with the flue 2a of evaporative condenser 2, and the 3rd port 34c of the 4th two position three way directional control valve 34 is connected with the upper entrance of circulation liquid storing barrel 4.
A kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit of described embodiment 1 still has steam compression type refrigerating circulation and two kinds of operational modes of vapor compression heat pump circulation.
Fig. 3 schematically shows steam compression type refrigerating circulation of the present invention, i.e. systematic schematic diagram under the cooling condition in summer.As shown in Figure 3, compressor 1 and liquid pump 5 all move, and this moment, system carried out steam compression type refrigerating circulation: the gaseous refrigerant in the compressor 1 suction circulation liquid storing barrel 4 is compressed into the gas of high-temperature high-pressure state; The gaseous refrigerant of HTHP enters evaporative condenser 2 through the flue 2a of first two position three way directional control valve 31, evaporative condenser 2 successively, and heat release is condensed into the liquid of temperature in the high pressure; High pressure liquid refrigerant enters in the circulation liquid storing barrel 4 after the liquid line 2b of evaporative condenser, second two position three way directional control valve 32, throttling arrangement 3 step-downs successively; Liquid refrigerant in the circulation liquid storing barrel 4 is by the lower part outlet of circulation liquid storing barrel 4, through liquid pump 5 superchargings, send in the evaporimeter 6 through the liquid line 6a of the 3rd two position three way directional control valve 33, evaporimeter 6 successively again, carry out producing cold water or cold wind after the heat exchange with water or air; The gas-liquid mixture of cold-producing medium enters in the circulation liquid storing barrel 4 through flue 6b, the 4th two position three way directional control valve 34 of evaporimeter 6 successively, realizes the steam compression type refrigerating circulation.
Fig. 4 schematically shows vapor compression heat pump circulation of the present invention, i.e. systematic schematic diagram under the heat pump operating mode in winter.As shown in Figure 4, compressor 1 and liquid pump 5 all move, and this moment, system carried out vapor compression heat pump circulation: the gaseous refrigerant in the compressor 1 suction circulation liquid storing barrel 4 is compressed into the gas of high-temperature high-pressure state; The gaseous refrigerant of HTHP enters evaporimeter 6 through the flue 6b of first two position three way directional control valve 31, evaporimeter 6 successively, and heat release is condensed into the liquid of temperature in the high pressure; High pressure liquid refrigerant enters in the circulation liquid storing barrel 4 after the liquid line 6a of evaporimeter, the 3rd two position three way directional control valve 33, throttling arrangement 3 step-downs successively; Liquid refrigerant in the circulation liquid storing barrel 4 is by the lower part outlet of circulation liquid storing barrel 4, through liquid pump 5 superchargings, send in the evaporative condenser 2 through the liquid line 2b of second two position three way directional control valve 32, evaporative condenser 2 successively again, carry out producing cold water or cold wind after the heat exchange with water or air; The gas-liquid mixture of cold-producing medium enters in the circulation liquid storing barrel 4 through flue 2a, the 4th two position three way directional control valve 34 of evaporative condenser 2 successively, realizes the vapor compression heat pump circulation.
As shown in Figure 5, described evaporimeter 6 can be the mode that a plurality of evaporimeters are connected in parallel, to satisfy the cooling demand in single or multiple spaces.As preferably, evaporimeter 3 can adopt shell and tube evaporator and finned evaporator.
As shown in Figure 6, heat regenerator 7 can be set, adopt heat recovery technology in summer during cooling condition, then increase hot water supply function during the heat pump operating mode in the winter time, realize the recycling of condensation heat at the exhaust outlet of described compressor 1; The inlet of described heat regenerator 7 is connected with the exhaust outlet of compressor 1, and the outlet of heat regenerator 7 connects the inlet of first refrigeration valve 11 and the inlet of the first heat pump valve 21 respectively, perhaps connects the first port 31a of first two position three way directional control valve 31.
As shown in Figure 7, described liquid pump 5 two ends can gravity force liquid-supply conversion valve 8 in parallel.When compressor 6 refrigeration have just started, open gravity force liquid-supply conversion valve 8, close liquid pump 5, with gravity force liquid-supply mode feed flow; The level stability of liquid storing barrel 4 to be recycled, and the load of compressor 1 reaches 60% when above, opens liquid pump 5, closes gravity force liquid-supply conversion valve 8, is converted to liquid pump to supply refrigerant.This scheme has been avoided owing to the unstable cavitation surge phenomenon that causes liquid pump 5 of circulation liquid storing barrel 4 liquid levels.In addition, also can when sub-load or solution feed pump 5 break down, realize not moving solution feed pump 5 and adopt the gravity force liquid-supply mode directly to evaporimeter 6 or the operation of evaporative condenser 2 feed flows.
As preferably, described evaporative condenser 2 can adopt tube-plate evaporative condensing device or coiled evaporative condenser, can obtain lower condensation temperature, and can reduce system condensing pressure, thereby improves the Energy Efficiency Ratio of system.
As shown in Figure 8, between the import of the outlet of evaporative condenser 2 and throttling arrangement 3, be provided with device for drying and filtering 9 and liquid-sighting glass 10, form perfect refrigeration process pipeline.
Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (10)
1. an evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit comprises compressor (1), evaporative condenser (2), throttling arrangement (3), circulation liquid storing barrel (4), liquid pump (5), evaporimeter (6); The exhaust outlet of described compressor (1) is connected with the flue (2a) of evaporative condenser (2) by first refrigeration valve (11), and the air inlet of compressor (1) is connected with the top exit of circulation liquid storing barrel (4); The liquid line (2b) of described evaporative condenser (2) is connected with the bottom inlet of circulation liquid storing barrel (4) with throttling arrangement (3) by second refrigeration valve (12) successively; The inlet of described liquid pump (5) is connected with the outlet at bottom of circulation liquid storing barrel (4), and the outlet of liquid pump (5) is connected with the liquid line (6a) of evaporimeter (6) by the 3rd refrigeration valve (13); The flue (6b) of described evaporimeter (6) is connected with the upper entrance of circulation liquid storing barrel (4) by the 4th refrigeration valve (14), and it is characterized in that: this unit also comprises the first heat pump valve (21), the second heat pump valve (22), the 3rd heat pump valve (23) and the 4th heat pump valve (24); The inlet of the described first heat pump valve (21) is connected with the exhaust outlet of compressor (1), and the outlet of the first heat pump valve (21) is connected with the flue (6b) of evaporimeter (6); The inlet of the described second heat pump valve (22) is connected with the liquid line (6a) of evaporimeter (6), and the outlet of the second heat pump valve (22) is connected with the bottom inlet of circulation liquid storing barrel (4) by throttling arrangement (3); The inlet of described the 3rd heat pump valve (23) is connected with the outlet of liquid pump (5), and the outlet of the 3rd heat pump valve (23) is connected with the liquid line (2b) of evaporative condenser (2); The inlet of described the 4th heat pump valve (24) is connected with the flue (2a) of evaporative condenser (2), and the outlet of the 4th heat pump valve (24) is connected with the upper entrance of circulation liquid storing barrel (4); Described compressor (1), first refrigeration valve (11), evaporative condenser (2), second refrigeration valve (12), throttling arrangement (3), circulation liquid storing barrel (4), liquid pump (5), the 3rd refrigeration valve (13), evaporimeter (6), the 4th refrigeration valve (14) are formed the steam compression type refrigerating circulation; Described compressor (1), the first heat pump valve (21), evaporimeter (6), the second heat pump valve (22), throttling arrangement (3), circulation liquid storing barrel (4), liquid pump (5), the 3rd heat pump valve (23), evaporative condenser (2), the 4th heat pump valve (24) are formed the vapor compression heat pump circulation.
2. a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit according to claim 1, it is characterized in that: described first refrigeration valve (11) and the first heat pump valve (21) are merged into first two position three way directional control valve (31); Described second refrigeration valve (12) and the 3rd heat pump valve (23) are merged into second two position three way directional control valve (32); Described the 3rd refrigeration valve (13) and the second heat pump valve (22) are merged into the 3rd two position three way directional control valve (33); Described the 4th refrigeration valve (14) and the 4th heat pump valve (24) are merged into the 4th two position three way directional control valve (34); First port (31a) of described first two position three way directional control valve (31) is connected with the exhaust outlet of compressor (1), second port (31b) of first two position three way directional control valve (31) is connected with the flue (2a) of evaporative condenser (2), and the 3rd port (31c) of first two position three way directional control valve (31) is connected with the flue (6b) of evaporimeter (6); First port (32a) of described second two position three way directional control valve (32) is connected with the liquid line (2b) of evaporative condenser (2), second port (32b) of second two position three way directional control valve (32) is connected with the inlet of throttling arrangement (3), and the 3rd port (32c) of second two position three way directional control valve (32) is connected with the outlet of liquid pump (5); First port (33a) of described the 3rd two position three way directional control valve (33) is connected with the outlet of liquid pump (5), second port (33b) of the 3rd two position three way directional control valve (33) is connected with the liquid line (6a) of evaporimeter (6), and the 3rd port (33c) of the 3rd two position three way directional control valve (33) is connected with the inlet of throttling arrangement (3); First port (34a) of described the 4th two position three way directional control valve (34) is connected with the flue (6b) of evaporimeter (6), second port (34b) of the 4th two position three way directional control valve (34) is connected with the flue (2a) of evaporative condenser (2), and the 3rd port (34c) of the 4th two position three way directional control valve (34) is connected with the upper entrance of circulation liquid storing barrel (4).
3. a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit according to claim 1 and 2 is characterized in that: described first refrigeration valve (11), second refrigeration valve (12), the 3rd refrigeration valve (13), the 4th refrigeration valve (14), the first heat pump valve (21), the second heat pump valve (22), the 3rd heat pump valve (23), the 4th heat pump valve (24) adopt magnetic valve or motor-driven valve.
4. a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit according to claim 2 is characterized in that: described first two position three way directional control valve (31), second two position three way directional control valve (32), the 3rd two position three way directional control valve (33), the 4th two position three way directional control valve (34) adopt electronic two position three way directional control valve or Pneumatic two-position three-way reversal valve.
5. a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit according to claim 1 and 2, it is characterized in that: the exhaust outlet of described compressor (1) is provided with heat regenerator (7); The inlet of described heat regenerator (7) is connected with the exhaust outlet of compressor (1), the outlet of heat regenerator (7) connects the inlet of first refrigeration valve (11) and the inlet of the first heat pump valve (21) respectively, perhaps connects first port (31a) of first two position three way directional control valve (31).
6. a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit according to claim 1 and 2 is characterized in that: described evaporative condenser (2) adopts tube-plate evaporative condensing device or coiled evaporative condenser.
7. a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit according to claim 1 and 2 is characterized in that: described evaporimeter (6) adopts shell and tube evaporator or finned evaporator.
8. a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit according to claim 1 and 2 is characterized in that: described evaporimeter (6) adopts a plurality of parallel waies to connect.
9. a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit according to claim 1 and 2, it is characterized in that: the two ends of described liquid pump (5) are parallel with gravity force liquid-supply conversion valve (8).
10. a kind of evaporating type condensing liquid pump to supply refrigerant circulation hot and cold water unit according to claim 1 and 2 is characterized in that: be provided with device for drying and filtering (9) and liquid-sighting glass (10) between the import of the outlet of described evaporative condenser (2) and throttling arrangement (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202805981U CN201757537U (en) | 2010-08-03 | 2010-08-03 | Liquid-feeding circulation cold/hot water unit of evaporative condensate pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202805981U CN201757537U (en) | 2010-08-03 | 2010-08-03 | Liquid-feeding circulation cold/hot water unit of evaporative condensate pump |
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| Publication Number | Publication Date |
|---|---|
| CN201757537U true CN201757537U (en) | 2011-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202805981U Expired - Fee Related CN201757537U (en) | 2010-08-03 | 2010-08-03 | Liquid-feeding circulation cold/hot water unit of evaporative condensate pump |
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| CN (1) | CN201757537U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936614A (en) * | 2010-08-03 | 2011-01-05 | 广州市华德工业有限公司 | Liquid-supplying and cold and hot water-circulating machine set of evaporative condensate pump |
| CN108931018A (en) * | 2018-04-21 | 2018-12-04 | 浙江国祥股份有限公司 | A kind of evaporative condenser all-in-one machine with hydraulic module |
| CN115265002A (en) * | 2021-04-29 | 2022-11-01 | 约克广州空调冷冻设备有限公司 | Heat pump system |
-
2010
- 2010-08-03 CN CN2010202805981U patent/CN201757537U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936614A (en) * | 2010-08-03 | 2011-01-05 | 广州市华德工业有限公司 | Liquid-supplying and cold and hot water-circulating machine set of evaporative condensate pump |
| WO2012016452A1 (en) * | 2010-08-03 | 2012-02-09 | 广州市华德工业有限公司 | Water chilling/heating unit with liquid supplied by liquid pump |
| CN101936614B (en) * | 2010-08-03 | 2013-03-06 | 广州市华德工业有限公司 | Liquid-supplying and cold and hot water-circulating machine set of evaporative condensate pump |
| CN108931018A (en) * | 2018-04-21 | 2018-12-04 | 浙江国祥股份有限公司 | A kind of evaporative condenser all-in-one machine with hydraulic module |
| CN108931018B (en) * | 2018-04-21 | 2019-05-14 | 浙江国祥股份有限公司 | A kind of evaporative condenser all-in-one machine with hydraulic module |
| CN115265002A (en) * | 2021-04-29 | 2022-11-01 | 约克广州空调冷冻设备有限公司 | Heat pump system |
| CN115265002B (en) * | 2021-04-29 | 2023-10-13 | 约克广州空调冷冻设备有限公司 | heat pump system |
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Granted publication date: 20110309 Termination date: 20110803 |