CN203489385U - Combined air handling unit driven by total heat recovery type heat pump - Google Patents
Combined air handling unit driven by total heat recovery type heat pump Download PDFInfo
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- CN203489385U CN203489385U CN201320028948.9U CN201320028948U CN203489385U CN 203489385 U CN203489385 U CN 203489385U CN 201320028948 U CN201320028948 U CN 201320028948U CN 203489385 U CN203489385 U CN 203489385U
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Abstract
A combined air handling unit driven by a total heat recovery type heat pump comprises a compressor, a high-voltage switch, a four-way reversing valve, a refrigerant three-way solenoid valve, a heat source side evaporating/condensing device, three-way joints, a bridge type loop in which four refrigerant non-return valves are arranged, and a high-voltage reservoir, a drying filter, the refrigerant non-return solenoid valves, the three-way joints and an expansion valve which are serially connected in the bridge type loop, and two refrigerant non-return valves connected with a outlet three-way joint of the expansion valve in the bridge type loop, wherein an inlet of the refrigerant non-return valve flowing to the refrigerant side of the heat source side evaporating/condensing device is in series connection with the refrigerant non-return valve in the same direction, and the other side of the bridge type loop is connected with the refrigerant side of an evaporating/condensing device of a driving cold-hot coiler, the four-way reversing valve, a gas-liquid separation device, a low-voltage switch and the compressor to form a heat pump loop. The combined air handling unit is driven by the total heat recovery type heat pump so as to completely solve the problem of refrigerant accumulation in a stopped heat exchanger and fulfill various functions of dehumidifying in summer, drying, air-conditioning in summer, heating in winter, defrosting in winter and the like, and other heat sources are not needed, so that the primary investment of the unit is reduced.
Description
(1) technical field
The present invention relates to the combined air processing group that a kind of full recovery type heat pump drives, and the heat pump drying unit of full recovery type heat pump driving, and 4 control dehumidifying wind dishes of full recovery type heat pump driving.
(2) background technology
Existing combined air processing group, or heat pump drying unit, or double 4 control dehumidifying wind dishes are multi-functional in service in dehumidifying in summer, dry processing, summer air-conditioning, winter heating, defrosting in winter etc., for air is carried out to cooling and dehumidifying or dry coil pipe, its cold water is conventionally from handpiece Water Chilling Units; And for air being carried out again to the coil pipe hot water of heated drying, or during winter heating for air being carried out to the coil pipe hot water of heat temperature raising, conventionally from electric heater or boiler; This defect that has just determined prior art is as follows:
(1) its normal operation not only needs handpiece Water Chilling Units as thermal source, and needs electric heater, boiler etc. to drive as thermal source, thereby two cover cold and heat sources have just increased the initial cost of unit;
(2) whole condensation heat of handpiece Water Chilling Units are all disposed to environment on the one hand, by electric heater or boiler, provide heat to carry out heated drying again to air on the other hand, cause unit to need the two cover cold and heat source repeat consumption energy, thereby cause the operating cost of unit very huge.
And existing full recovery type heat pump (3); even if adopt 5 to 7 refrigerant magnetic valves; in order to control the multi-functional switching between 3 refrigerant heat exchangers; but still cannot guarantee when the arbitrary function of operation; medium side gas port and the liquid mouth of inactive heat exchanger are all sealed completely; thereby in the heat exchanger of stopping using in the time of cannot avoiding some function operation, accumulate cooling medium liquid, cause heat pump cycle repeatedly to occur protectiveness shutdown because lacking gradually refrigerant.
(3) summary of the invention
Object of the present invention is exactly to want:
(1) provide a kind of full recovery type heat pump of at all avoiding refrigerant hydrops problem in inactive heat exchanger, and drive combined air processing group or heat pump drying unit or double 4 control dehumidifying wind dishes, the present situation that need be driven by various heating sources to improve it as unique thermal source;
(2) utilize the evaporation cold of heat pump to drive cooling-dehumidifying air or the dry run of the another side of cooling coil, the whole condenser heats that utilize heat pump to reclaim drive the air heat dry run of the another side of hot coil again, to avoid under the prerequisite of the hot and cold energy of repeat consumption, realize the several functions such as dehumidifying in summer, dry processing, summer air-conditioning, winter heating, defrosting in winter.
The technical solution used in the present invention, the combined air processing group that full recovery type heat pump drives as shown in Figure 1, wherein: 1-compressor; 2-high-voltage switch gear; 3-four-way change-over valve; 4.3-refrigerant three-way magnetic valve; 5-heat source side evaporator/condensers; 6-coolant solo valve; 7-high-pressure reservoir; 8-device for drying and filtering; 4.1-refrigerant Unidirectional solenoid valve; 9-expansion valve; 10-drives the evaporator/condensers of cold and hot coil pipe; 11-gas-liquid separator; 12-low tension switch; 13-condenser; 14-air bleeding valve; The cold and hot coil pipe of 15-; 16-filter; 17-circulating pump; 18-non-return valve; 19.1-hot coil again; 19.2-air cooler; 20-reheat vapor cycle pump; 21-safety valve; 22-hand valve; 23-high temperature expansion valve; 24-heat source fluid driving arrangement; 25-return air filter; 26-circulating fan; 27-water accumulating disc; 28-exports airduct; 29-air-out blinds; 30-dryness storehouse; 31-blower fan; 32-water pump.
The combined air processing group driving according to the full recovery type heat pump shown in accompanying drawing 1: it is by compressor 1, high-voltage switch gear 2, four-way change-over valve 3, refrigerant three-way magnetic valve 4.3, heat source side evaporator/condensers 5 medium sides, threeway, 4 bridge type return and middle high-pressure reservoirs 7 that are connected in series thereof that coolant solo valve 6 is arranged, device for drying and filtering 8, refrigerant Unidirectional solenoid valve 4.1, threeway and expansion valve 9, two coolant solo valves 6 that in bridge type return, the outlet threeway of expansion valve 9 connects, the import that wherein flows to the coolant solo valve 6 of heat source side evaporator/condensers 5 medium sides is connected in series and its refrigerant Unidirectional solenoid valve 4.1 in the same way, the another side of bridge type return connects evaporator/condensers 10 medium sides that drive cold and hot coil pipe, four-way change-over valve 3, gas-liquid separator 11, low tension switch 12, compressor 1, form heat pump circuit, wherein the balance pipe of expansion valve 9 and temperature-sensitive bag are connected and are close to the air inlet pipe of gas-liquid separator 11, to form heat pump cycle major loop,
Drive the evaporator/condensers 10 refrigerating medium side outlets of cold and hot coil pipe to be connected in series air bleeding valve 14, cold and hot coil pipe 15, moisturizing threeway, filter 16, circulating pump 17, non-return valve 18 by pipeline, to form cold and hot coil pipe 15 closed circuits;
Upper water, by filter 16, non-return valve 18, safety valve 21, forms moisturizing, level pressure branch road;
The entrance sleeve of expansion valve 9 is by the threeway hand valve 22 that is connected in parallel, and the outlet of hand valve 22 is connected in series high temperature expansion valve 23 to the motor mouth spray of compressor 1; Or the outlet of hand valve 22 is again by threeway 2 high temperature expansion valve 23 that are connected in parallel, and one is connected to the discharge chambe mouth spray of compressor 1, its two motor mouth spray that is connected to compressor 1; The temperature-sensitive Bao Jun of high temperature expansion valve 23 is close to the blast pipe of compressor 1;
Heat source side evaporator/condensers 5 and air cooler 19.2, all set up its heat source fluid driving arrangement 24;
Combined air processing group, comprises water accumulating disc 27, the hot coil again 19.1 being connected in parallel and air cooler 19.2, outlet airduct 28, air-out blinds 29 that return air filter 25, circulating fan 26, cold and hot coil pipe 15 and bottom thereof arrange.
Heat pump drying unit, comprises water accumulating disc 27 that return air filter 25, circulating fan 26, cold and hot coil pipe 15 and bottom thereof arrange, hot coil 19.1, air-out blinds 29, dryness storehouse 30 again.
Double 4 control dehumidifying wind dishes, comprise water accumulating disc 27 that return air filter 25, circulating fan 26, cold and hot coil pipe 15 and bottom thereof arrange, hot coil 19.1, air-out blinds 29 again.
Refrigerant three-way magnetic valve 4.3 is 1 refrigerant bidirectional electromagnetic valve 4.2 and 1 refrigerant Unidirectional solenoid valve 4.1 by 1 threeway composition that is connected in parallel.
Refrigerant bidirectional electromagnetic valve 4.2 is that 1 refrigerant Unidirectional solenoid valve 4.1 and 1 coolant solo valve 6 connect to form by 2 threeway reverse parallel connections.
The evaporator/condensers 10 and the condenser 13 that drive cold and hot coil pipe 15 are shell and tube exchanger or plate type heat exchanger or plate-fin heat exchanger or double pipe heat exchanger or coil exchanger.
Heat source side evaporator/condensers 5 is finned heat exchanger or shell and tube exchanger or plate type heat exchanger or plate-fin heat exchanger or double pipe heat exchanger or coil exchanger.
Heat source fluid driving arrangement 24 is blower fan 31 or water pump 32.
Operation principle of the present invention 3 is described as follows by reference to the accompanying drawings:
1, dehumidifying or functions/drying: summer environment temperature is during lower than 30 ℃, compressor 1 starts, to drive the refrigerant high-voltage switch gear 2 of flowing through, four-way change-over valve 3, threeway, refrigerant Unidirectional solenoid valve 4.1, condenser 13 medium sides, coolant solo valve 6, threeway, threeway, high-pressure reservoir 7, device for drying and filtering 8, refrigerant Unidirectional solenoid valve 4.1, threeway, expansion valve 9, threeway, coolant solo valve 6, threeway, drive evaporator/condensers 10 medium sides of cold and hot coil pipe, four-way change-over valve 3, gas-liquid separator 11, low tension switch 12, compressor 1, form heat pump cycle, the low level dehumidifying of extracting in the evaporator/condensers 10 with the cold and hot coil pipe of handle driving or dry air heat energy pump are to condenser 13.
Circulating pump 17 starts in advance, with drive refrigerating medium flow through non-return valve 18, drive evaporator/condensers 10 refrigerating medium sides, air bleeding valve 14, cold and hot coil pipe 15, moisturizing threeway, filter 16, the circulating pump 17 of cold and hot coil pipe, form dehumidifying or drying cycles, so that the evaporation cold in the evaporator/condensers 10 of the cold and hot coil pipe of driving is flowed to cold and hot coil pipe 15.
Reheat vapor cycle pump 20 starts in advance, to drive flow of hot water through non-return valve 18, condenser 13 hot water sides, air bleeding valve 14, the hot coil again 19.1 being connected in parallel and air cooler 19.2 and connect hand valve, moisturizing threeway, filter 16, reheat vapor cycle pump 20, form reheat vapor cycle, with the high-order condenser heat in condenser 13 according to required ratio, by regulating hand valve to flow to again hot coil 19.1 and air cooler 19.2, thereby control air heat amount, and the waste heat in air cooler 19.2 is released into environment by blower fan 31.
The indoor return air of building or the return air of dryness storehouse, remove after impurity through return air filter 25, then driven by circulating fan 26, the cold and hot coil pipe 15 of flowing through, obtain cooling, cooling, shrink, dehumidifying or dry, to reduce the absolute moisture content of air, condensate water is discharged after being concentrated by water accumulating disc 27; Then the air hot coil 19.1 that continues to flow through again, is heated, is heated up, is expanded and dry, to reduce the relative water capacity of air; Finally by crossing the air that reduces absoluteness and relativeness water capacity, through outlet airduct 28, send to architecture indoor or return to dryness storehouse.
2, air conditioning function: summer environment temperature is during higher than 35 ℃, compressor 1 starts, to drive the refrigerant high-voltage switch gear 2 of flowing through, four-way change-over valve 3, threeway, threeway, refrigerant Unidirectional solenoid valve 4.1, threeway, heat source side evaporator/condensers 5 medium sides, threeway, coolant solo valve 6, high-pressure reservoir 7, device for drying and filtering 8, refrigerant Unidirectional solenoid valve 4.1, threeway, expansion valve 9, threeway, coolant solo valve 6, threeway, drive evaporator/condensers 10 medium sides of cold and hot coil pipe, four-way change-over valve 3, gas-liquid separator 11, low tension switch 12, compressor 1, form kind of refrigeration cycle, with handle, drive the low level room air heat energy pump extracting in the evaporator/condensers 10 of cold and hot coil pipe to heat source side evaporator/condensers 5, and discharge to environment by heat source fluid driving arrangement 24.
Circulating pump 17 starts in advance, with drive refrigerating medium flow through non-return valve 18, drive evaporator/condensers 10 refrigerating medium sides, air bleeding valve 14, cold and hot coil pipe 15, moisturizing threeway, filter 16, the circulating pump 17 of cold and hot coil pipe, form Air-conditioning Cycle, so that the evaporation cold in the evaporator/condensers 10 of the cold and hot coil pipe of driving is flowed to cold and hot coil pipe 15.
The indoor return air of building, after return air filter 25 is removed impurity, is driven by circulating fan 26, the cold and hot coil pipe 15 of flowing through, obtain cooling, shrink, cooling, to lower the temperature and to reduce the absolute moisture content of air, condensate water by water accumulating disc 27, concentrated after discharge; Last air continues isothermal flow through hot coil 19.1 again, and sends to architecture indoor everywhere through outlet airduct 28.
3, heating function: during winter, compressor 1 starts, to drive the refrigerant high-voltage switch gear 2 of flowing through, four-way change-over valve 3, drive evaporator/condensers 10 medium sides of cold and hot coil pipe, threeway, coolant solo valve 6, threeway, threeway, high-pressure reservoir 7, device for drying and filtering 8, refrigerant Unidirectional solenoid valve 4.1, threeway, expansion valve 9, threeway, refrigerant Unidirectional solenoid valve 4.1, coolant solo valve 6, threeway, heat source side evaporator/condensers 5 medium sides, threeway, coolant solo valve 6, threeway, threeway, four-way change-over valve 3, gas-liquid separator 11, low tension switch 12, compressor 1, form heat pump cycle, with the low level air heat energy pump gathering in heat source side evaporator/condensers 5 to driving in the evaporator/condensers 10 of cold and hot coil pipe.
Circulating pump 17 starts in advance, with drive refrigerating medium flow through non-return valve 18, drive evaporator/condensers 10 refrigerating medium sides, air bleeding valve 14, cold and hot coil pipe 15, moisturizing threeway, filter 16, the circulating pump 17 of cold and hot coil pipe, form heating circulation, so that the high-order condenser heat in the evaporator/condensers 10 of the cold and hot coil pipe of driving is flowed to cold and hot coil pipe 15.
The indoor return air of building is removed after impurity through return air filter 25, by circulating fan 26, is driven, and the cold and hot coil pipe 15 of flowing through, is heated, heats up; Last air continues isothermal flow through hot coil 19.1 again, and sends to architecture indoor everywhere through outlet airduct 28.
4, defrosting function: compressor 1 starts, to drive the refrigerant high-voltage switch gear 2 of flowing through, four-way change-over valve 3, threeway, threeway, refrigerant Unidirectional solenoid valve 4.1, threeway, heat source side evaporator/condensers 5 medium sides, threeway, coolant solo valve 6, threeway, high-pressure reservoir 7, device for drying and filtering 8, refrigerant Unidirectional solenoid valve 4.1, threeway, expansion valve 9, threeway, coolant solo valve 6, threeway, drive evaporator/condensers 10 medium sides of cold and hot coil pipe, four-way change-over valve 3, gas-liquid separator 11, low tension switch 12, compressor 1, form kind of refrigeration cycle, with handle, drive the low level room air heat energy pump extracting in the evaporator/condensers 10 of cold and hot coil pipe to heat source side evaporator/condensers 5, now blower fan 31 is shut down, so that concentrating to frost layer, condenser heat discharges, to carry out defrosting process.
Circulating pump 17 starts in advance, with drive refrigerating medium flow through non-return valve 18, drive evaporator/condensers 10 refrigerating medium sides, air bleeding valve 14, cold and hot coil pipe 15, moisturizing threeway, filter 16, the circulating pump 17 of cold and hot coil pipe, form and adopt thermal cycle, so that the air heat delivery gathering in cold and hot coil pipe 15 is given in the evaporator/condensers 10 that drives cold and hot coil pipe.
The indoor return air of building is removed after impurity through return air filter 25, by circulating fan 26, is driven, and the cold and hot coil pipe 15 of flowing through, obtains cooling, cooling; Finally by adopting air after heat, continue isothermal flow through hot coil 19.1 again, and send to architecture indoor everywhere through outlet airduct 28.
With existing combined air processing group, or heat pump drying unit, or the conventional art such as double 4 control dehumidifying wind dishes compares, and design feature of the present invention is as follows:
1, as the full recovery type heat pump of driving heat source, only adopt 4 refrigerant magnetic valves, wherein 1 for controlling the start and stop on heat pump liquid road, other 3 for controlling multi-functional switching; Realized operation during any a kind of function, the medium side gas port of the heat exchanger of stopping using and liquid mouth all by refrigerant magnetic valve with or coolant solo valve seal completely; Thereby solved the hydrops problem of refrigerant in inactive heat exchanger, and the heat pump cycle causing lacks fluorine and protectiveness shutdown occurs at all;
2, combined air processing group or heat pump drying unit or double 4 control dehumidifying wind dishes, the several functions such as the dehumidifying in summer that it is realized, dry processing, summer air-conditioning, winter heating and defrosting in winter, only by above-mentioned full recovery type heat pump, driven, without other thermal source, thereby reduced unit initial cost;
3,, when realizing summer dehumidifying or being dried processing capacity, by the evaporation cold of heat pump, driven cooling, cooling, contraction, dehumidifying or the dry run of the another side air of cooling coil, to reduce the absolute moisture content of air; And the whole condenser heats that reclaimed by heat pump drive the heating, intensification, expansion of the another side air of hot coil and dry again, to reduce the relative water capacity of air; To avoid under the prerequisite of the unit repeat consumption energy, realize the several functions such as dehumidifying in summer, dry processing, summer air-conditioning, winter heating, defrosting in winter, thereby reduce at double the operating cost of unit.
In sum, compared with prior art, its feature is summarized as follows in the present invention:
The combined air processing group that full recovery type heat pump of the present invention drives, in the inactive heat exchanger of basic solution, the full recovery type heat pump of refrigerant hydrops problem drives, to realize the several functions such as dehumidifying in summer, dry processing, summer air-conditioning, winter heating and defrosting in winter, without other thermal source, thereby reduced unit initial cost; When realizing dehumidifying in summer or being dried processing capacity, evaporation cold by heat pump drives the air dewetting/dry run in cooling coil, the whole condenser heats that reclaimed by heat pump drive the air dry run in hot coil simultaneously again, to avoid the unit repeat consumption energy, thereby reduce at double unit operation expense.
(4) accompanying drawing explanation
Accompanying drawing 1 controls for the present invention adopts refrigerant three-way magnetic valve 4.3 and refrigerant Unidirectional solenoid valve 4.1 to realize heat pump drying unit the system flow chart that function is switched.
Accompanying drawing 2 controls for the present invention adopts refrigerant bidirectional electromagnetic valve 4.2 and refrigerant Unidirectional solenoid valve 4.1 to realize double 4 control dehumidifying wind dishes the system flow chart that function is switched.
Accompanying drawing 3 controls for the present invention adopts refrigerant Unidirectional solenoid valve 4.1 to realize combined air processing group the system flow chart that function is switched.
(5) specific embodiment
The embodiment of the combined air processing group that the full recovery type heat pump that the present invention proposes drives as shown in Figure 3, is now described as follows: its by RC2-580B-H type semi-closed screw type compressor 1 exhaust outlet by diameter 79mm copper tube connect in turn high-voltage switch gear 2, four-way change-over valve 3, threeway, EVR40 type refrigerant Unidirectional solenoid valve 4.1 in parallel and coolant solo valve 6 (direction of two valve opposite directions and refrigerant Unidirectional solenoid valve 4.1 is pointed to heat source side evaporator/condensers 5), red copper pipe box aluminium finned/heat exchange area 1900m
2heat source side evaporator/condensers 5 refrigerant R22 sides in diameter 92mm import, its outlet connects threeway and 4 bridge type return and middle 30 liters of high-pressure reservoirs 7 that are connected in series thereof that coolant solo valve 6 is arranged of same diameter interface more in turn by diameter 54mm copper tube, device for drying and filtering 8, refrigerant Unidirectional solenoid valve 4.1, threeway, THR-100-HC type heating power expansion valve 9, two coolant solo valves 6 that in bridge type return, the outlet threeway of expansion valve 9 connects, the import that wherein flows to the coolant solo valve 6 of heat source side evaporator/condensers 5 medium sides is connected in series and its EVR40 type refrigerant Unidirectional solenoid valve 4.1 in the same way, the another side of bridge type return connects EGZ48H type, heat exchange area 47.9m
2shell-and-tube drive the evaporator/condensers 10 refrigerant R22 side diameter 54mm imports of cold and hot coil pipe, its outlet connects 3,25 liters of gas-liquid separators 11 of four-way change-over valve, low tension switch 12, the compressor 1 of same diameter interface more in turn by diameter 92mm copper tube, form heat pump circuit, wherein the temperature-sensitive of heating power expansion valve 9 packs tightly the air inlet pipe that is affixed on gas-liquid separator 11, and the balance pipe of heating power expansion valve 9 and temperature-sensitive bag are connected and are close to the air inlet pipe of gas-liquid separator 11, to form heat pump cycle major loop, ELNR97H type, heat exchange area 97.3m
2shell-and-tube cooler 13, the outlet of its refrigerant R22 side liquid pipe connects coolant solo valve 6 by diameter 54mm copper tube, medium side liquid pipe outlet coolant solo valve 6 with heat source side evaporator/condensers 5 in bridge type return, and the evaporator/condensers 10 refrigerant R22 side liquid pipe outlet coolant solo valves 6 that drive cold and hot coil pipe, the inlet of connection parallel with one another and sensing high-pressure reservoir 7, and condenser 13 refrigerant R22 side air pipe interfaces connect refrigerant Unidirectional solenoid valve 4.1 and the threeway of pointing to its import by diameter 92mm copper tube, be in parallel with the medium side of heat source side evaporator/condensers 5, to form heat recovery bypass, drive the evaporator/condensers 10 refrigerating medium side outlets of cold and hot coil pipe by diameter 159mm steel pipe, to be connected in series air bleeding valve 14, the heat exchange area 1900m of interface diameter 15mm
2cold and hot coil pipe 15, moisturizing in mini three links, filter 16, flow 97m
3/ h, lift 28mH
2the non-return valve 18 of the circulating pump 17 of O, interface diameter 159mm, to form cold and hot coil pipe 15 closed circuits, condenser 13 hot water sides outlets by diameter 159mm steel pipe be connected in series interface diameter 15mm air bleeding valve 14, threeway, heat exchange area 1500m is connected in parallel
2hot coil again 19.1 and heat exchange area 500m
2air cooler 19.2 and series connection hand valve 22, moisturizing in mini three links, threeway, filter 16, flow 117m
3/ h, lift 28mH
2the non-return valve 18 of the reheat vapor cycle pump 20 of O, interface diameter 159mm, to form hot coil 19.1 and air cooler 19.2 closed circuits again, upper water is taken over filter 16, non-return valve 18, safety valve 21 by diameter 15mm steel pipe connecting, forms moisturizing, level pressure branch road, the diameter 54mm entrance sleeve of TIR-55-H model heating power expansion valve 9 is by the be connected in parallel hand valve 22 of interface diameter 54mm of threeway, and the diameter 54mm outlet of hand valve 22 is connected in series high temperature heating power expansion valve 23 to the diameter 16mm motor mouth spray of compressor 1, the temperature-sensitive of high temperature expansion valve 23 packs tightly the blast pipe that is affixed on compressor 1, heat source side evaporator/condensers 5 is set up the 700FZL-G7P52LS6BZQ model axial flow blower 31 of 6 drive environment air, air cooler 19.2 is set up the 700FZL-G7P52LS6BZQ model axial flow blower 31 of its 2 drive environment air, combined air processing group, comprises return air filter 25, the air quantity 500m of front face area 2m * 1.5m
3volume 35L water accumulating disc 27, the hot coil again 19.1 being connected in parallel and air cooler 19.2, sectional area 0.8m that the circulating fan 26 of/h, blast 380Pa, cold and hot coil pipe 15 and bottom thereof arrange
2outlet airduct 28, air-out blinds 29.
In the embodiment of the present invention: (1) unit is 35 ℃ of per day ambient air temperatures, when circulation supplies 7 ℃ of cold water, can realize refrigeration work consumption 580kW, total input electric power 116kW, coefficient of performance of refrigerating 5 now, to drive the air conditioning function operation of combined air processing group; (2) unit supplies 7 ℃ of cold water in circulation, and circulates while supplying 45 ℃ of hot water, can realize refrigeration work consumption 580kW, heat power 696kW, total input electric power 116kW, now heat+freeze alliance coefficient 11, to drive the dehumidification function of combined air processing group to move; (3) unit, 7 ℃ of per day ambient air temperatures, when circulation supplies 45 ℃ of hot water, can be realized and heat power 696kW, total input electric power 116kW, and coefficient of performance in heating 6 now, to drive the heating function operation of combined air processing group; Apart from unit 1m place operation noise 80dB (A), operating weight 3500kg.
Claims (9)
1. the combined air processing group that full recovery type heat pump drives, it is by compressor (1), high-voltage switch gear (2), four-way change-over valve (3), refrigerant three-way magnetic valve (4.3), heat source side evaporator/condensers (5), coolant solo valve (6), high-pressure reservoir (7), device for drying and filtering (8), refrigerant Unidirectional solenoid valve (4.1), expansion valve (9), drive the evaporator/condensers (10) of cold and hot coil pipe, gas-liquid separator (11), low tension switch (12), condenser (13), air bleeding valve (14), cold and hot coil pipe (15), filter (16), circulating pump (17), non-return valve (18), hot coil (19.1) again, air cooler (19.2), reheat vapor cycle pump (20), safety valve (21), hand valve (22), high temperature expansion valve (23), heat source fluid driving arrangement (24), return air filter (25), circulating fan (26), water accumulating disc (27), outlet airduct (28), air-out blinds (29), blower fan (30), water pump (31) forms, it is characterized in that: compressor (1), high-voltage switch gear (2), four-way change-over valve (3), refrigerant three-way magnetic valve (4.3), heat source side evaporator/condensers (5) medium side, threeway, the bridge type return that 4 coolant solo valves (6) are arranged and the middle high-pressure reservoir (7) being connected in series thereof, device for drying and filtering (8), refrigerant Unidirectional solenoid valve (4.1), threeway and expansion valve (9), two coolant solo valves (6) that the outlet threeway of expansion valve in bridge type return (9) connects, the import that wherein flows to the coolant solo valve (6) of heat source side evaporator/condensers (5) medium side is connected in series and its refrigerant Unidirectional solenoid valve (4.1) in the same way, the another side of bridge type return connects evaporator/condensers (10) medium side that drives cold and hot coil pipe, four-way change-over valve (3), gas-liquid separator (11), low tension switch (12), compressor (1), form heat pump circuit, wherein the balance pipe of expansion valve (9) and temperature-sensitive bag are connected and are close to the air inlet pipe of gas-liquid separator (11), to form heat pump cycle major loop, the outlet of condenser (13) medium side liquid pipe is by coolant solo valve (6), medium side liquid pipe outlet coolant solo valve (6) with heat source side evaporator/condensers (5) in bridge type return, and the medium side liquid pipe outlet coolant solo valve (6) that drives cold and hot coil pipe evaporator/condensers (10), the inlet of connection parallel with one another and sensing high-pressure reservoir (7), and condenser (13) medium side air pipe interface is in parallel by refrigerant three-way magnetic valve (4.3) and the medium side of heat source side evaporator/condensers (5), to form heat recovery bypass, drive evaporator/condensers (10) the refrigerating medium side outlet of cold and hot coil pipe to be connected in series air bleeding valve (14), cold and hot coil pipe (15), moisturizing threeway, filter (16), circulating pump (17), non-return valve (18) by pipeline, to form cold and hot coil pipe (15) closed circuit, the outlet of condenser (13) hot water side is connected in series air bleeding valve (14), threeway, the hot coil again (19.1) being connected in parallel and air cooler (19.2) and connect hand valve (22), moisturizing threeway, threeway, filter (16), reheat vapor cycle pump (20), non-return valve (18) by pipeline, to form hot coil (19.1) and air cooler (19.2) closed circuit again, upper water, by filter (16), non-return valve (18), safety valve (21), forms moisturizing, level pressure branch road, the entrance sleeve of expansion valve (9) is by the threeway hand valve (22) that is connected in parallel, and the outlet of hand valve (22) is connected in series high temperature expansion valve (23) to the motor mouth spray of compressor (1), or the outlet of hand valve (22) is again by threeway 2 high temperature expansion valve (23) that are connected in parallel, and one is connected to the discharge chambe mouth spray of compressor (1), its two motor mouth spray that is connected to compressor (1), the temperature-sensitive Bao Jun of high temperature expansion valve (23) is close to the blast pipe of compressor (1), heat source side evaporator/condensers (5) and air cooler (19.2), all set up its heat source fluid driving arrangement (24), combined air processing group, comprises water accumulating disc (27), the hot coil again (19.1) being connected in parallel and air cooler (19.2), outlet airduct (28), air-out blinds (29) that return air filter (25), circulating fan (26), cold and hot coil pipe (15) and bottom thereof arrange.
2. the combined air processing group driving according to full recovery type heat pump claimed in claim 1, is characterized in that: heat pump drying unit comprises water accumulating disc (27) that return air filter (25), circulating fan (26), cold and hot coil pipe (15) and bottom thereof arrange, hot coil (19.1), air-out blinds (29), dryness storehouse (30) again.
3. the combined air processing group driving according to full recovery type heat pump claimed in claim 1, is characterized in that: double 4 control dehumidifying wind dishes comprise water accumulating disc (27) that return air filter (25), circulating fan (26), cold and hot coil pipe (15) and bottom thereof arrange, hot coil (19.1), air-out blinds (29) again.
4. the combined air processing group driving according to full recovery type heat pump claimed in claim 1, is characterized in that: refrigerant three-way magnetic valve (4.3) is 1 refrigerant bidirectional electromagnetic valve (4.2) with 1 refrigerant Unidirectional solenoid valve (4.1) by 1 threeway composition that is connected in parallel.
5. the combined air processing group driving according to full recovery type heat pump claimed in claim 1, is characterized in that: refrigerant bidirectional electromagnetic valve (4.2) is that 1 refrigerant Unidirectional solenoid valve (4.1) connects to form by 2 threeway reverse parallel connections with 1 coolant solo valve (6).
6. the combined air processing group driving according to full recovery type heat pump claimed in claim 1, is characterized in that: expansion valve (9) is electric expansion valve, heating power expansion valve, capillary, restricting orifice, or mutual series, parallel therebetween forms.
7. the combined air processing group driving according to full recovery type heat pump claimed in claim 1, it is characterized in that: driving evaporator/condensers (10) and the condenser (13) of cold and hot coil pipe (15), is shell and tube exchanger or plate type heat exchanger or plate-fin heat exchanger or double pipe heat exchanger or coil exchanger.
8. the combined air processing group driving according to full recovery type heat pump claimed in claim 1, is characterized in that: heat source side evaporator/condensers (5) is finned heat exchanger or shell and tube exchanger or plate type heat exchanger or plate-fin heat exchanger or double pipe heat exchanger or coil exchanger.
9. the combined air processing group driving according to full recovery type heat pump claimed in claim 1, is characterized in that: heat source fluid driving arrangement (24) is blower fan (31) or water pump (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320028948.9U CN203489385U (en) | 2013-01-09 | 2013-01-09 | Combined air handling unit driven by total heat recovery type heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320028948.9U CN203489385U (en) | 2013-01-09 | 2013-01-09 | Combined air handling unit driven by total heat recovery type heat pump |
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| Publication Number | Publication Date |
|---|---|
| CN203489385U true CN203489385U (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320028948.9U Expired - Fee Related CN203489385U (en) | 2013-01-09 | 2013-01-09 | Combined air handling unit driven by total heat recovery type heat pump |
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| Country | Link |
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| CN (1) | CN203489385U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075774A (en) * | 2013-01-09 | 2013-05-01 | 合肥天鹅制冷科技有限公司 | Combined air handling unit driven by total heat recovery type heat pump |
| CN109237833A (en) * | 2018-09-28 | 2019-01-18 | 瀚润联合高科技发展（北京）有限公司 | Wet film formula low form total heat recovery multi-connected heat pump unit |
| CN109442606A (en) * | 2018-12-10 | 2019-03-08 | 广州同方瑞风节能科技股份有限公司 | A kind of low dew point depth dehumidification system |
-
2013
- 2013-01-09 CN CN201320028948.9U patent/CN203489385U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075774A (en) * | 2013-01-09 | 2013-05-01 | 合肥天鹅制冷科技有限公司 | Combined air handling unit driven by total heat recovery type heat pump |
| CN109237833A (en) * | 2018-09-28 | 2019-01-18 | 瀚润联合高科技发展（北京）有限公司 | Wet film formula low form total heat recovery multi-connected heat pump unit |
| CN109237833B (en) * | 2018-09-28 | 2024-04-09 | 瀚润联合高科技发展（北京）有限公司 | Wet film type low temperature type total heat recovery multi-connected heat pump unit |
| CN109442606A (en) * | 2018-12-10 | 2019-03-08 | 广州同方瑞风节能科技股份有限公司 | A kind of low dew point depth dehumidification system |
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