CN117847829A - Heat pump unit with plate-sleeve type condenser - Google Patents
Heat pump unit with plate-sleeve type condenser Download PDFInfo
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- CN117847829A CN117847829A CN202410181880.0A CN202410181880A CN117847829A CN 117847829 A CN117847829 A CN 117847829A CN 202410181880 A CN202410181880 A CN 202410181880A CN 117847829 A CN117847829 A CN 117847829A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 217
- 238000001816 cooling Methods 0.000 claims abstract description 158
- 239000007921 spray Substances 0.000 claims abstract description 86
- 238000005507 spraying Methods 0.000 claims abstract description 38
- 238000001704 evaporation Methods 0.000 claims abstract description 22
- 230000008020 evaporation Effects 0.000 claims abstract description 22
- 239000003507 refrigerant Substances 0.000 claims description 245
- 239000007788 liquid Substances 0.000 claims description 92
- 239000000498 cooling water Substances 0.000 claims description 62
- 238000004378 air conditioning Methods 0.000 description 24
- 238000010438 heat treatment Methods 0.000 description 20
- 238000009833 condensation Methods 0.000 description 13
- 230000005494 condensation Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 12
- 238000005057 refrigeration Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
- F25B39/022—Evaporators with plate-like or laminated elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/26—Disposition of valves, e.g. of on-off valves or flow control valves of fluid flow reversing valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/02—Details of evaporators
- F25B2339/022—Evaporators constructed from a pair of plates forming a space in which is located a refrigerant carrying coil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/045—Condensers made by assembling a tube on a plate-like element or between plate-like elements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fluid Mechanics (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The heat pump unit with the plate-sleeve type condenser comprises a heat pump system, a spraying system, an exhaust fan and a shell, and is characterized in that the heat pump system comprises the plate-sleeve type condenser, an evaporator, a compressor, a throttle and a four-way reversing valve, the spraying system comprises a circulating water pump, a spray head, a pipeline and a water collecting tank, the heat pump system, the spraying system and the exhaust fan are assembled in the shell to form the integral heat pump unit, the plate-sleeve type condenser is provided with a flat plate inner sleeve type heat exchanger, an inner pipe type heat exchanger and a micro-channel type heat exchanger, and a cooling mode of air cooling, water cooling, evaporation cooling, air cooling and water cooling combination and water cooling and evaporation cooling combination is adopted.
Description
Technical Field
The invention belongs to the field of air conditioning refrigeration, and particularly relates to a heat pump unit with a plate sleeve type condenser.
Background
The existing compression refrigeration cycle condenser has three modes of air cooling, water cooling and evaporative cooling, each cold source usually corresponds to one condenser, and when multiple cold sources such as air, waste gas, waste water, surface water, underground water and the like exist in a real scene, the multiple cold sources can be comprehensively utilized only by arranging the multiple condensers, so that the equipment is various, the system is complex, and the heat pump unit is huge in volume.
Disclosure of Invention
The invention aims to provide a heat pump unit with a plate-sleeve type condenser, which can comprehensively utilize various cold sources and has a compact structure and a small volume.
The solution of the invention is as follows: the heat pump unit with plate-sleeve type condenser includes heat pump system, spray system, exhaust fan and casing, and features that the heat pump system includes plate-sleeve type condenser, evaporator, compressor, throttle and four-way change valve, the plate-sleeve type condenser includes plate sleeve, plate sleeve or inner pipe, the plate sleeve is one sealed planar casing with refrigerant, the plate sleeve is one sealed planar casing with inner pipe in the shape of coiled pipe or spiral pipe, the plate sleeve or inner pipe is connected with cooling water, spray system or other cold source, or the plate sleeve is connected with cooling water, spray system or other cold source, the plate sleeve or inner pipe is connected with refrigerant, the plate sleeve or inner pipe is installed inside the plate sleeve, the pipe is through the casing of the plate sleeve, the cooling water pipe is connected directly or indirectly with spray system or other cold source, the plate sleeve or inner pipe is one flat casing or with heat exchange reinforcing rib wall, the refrigerant flows in the plate sleeve type condenser in the opposite direction to the cooling water, the plate sleeve type condenser is installed inside the casing vertically or horizontally, the inlet and outlet of the plate sleeve is connected with water-collecting box and water-collecting box, and the evaporator is water-cooling evaporator or air-cooling evaporator. The spraying system comprises a circulating water pump, a spray head, a pipeline, a filter, a water supplementing pipe and a water collecting tank, wherein the pipeline is communicated with a plate sleeve type condenser or other cold sources. The exhaust fan is arranged at the air outlet of the shell, the pipeline and the spray head of the spray system are arranged below the spray head, the plate sleeve type condenser is arranged below the spray head, the cooling water is sprayed on the plate sleeve type condenser, the water collecting tank of the spray system is arranged below the plate sleeve type condenser, the cooling water is collected, the evaporator, the compressor, the throttle, the four-way reversing valve, the circulating water pump and other auxiliary equipment are arranged below the water collecting tank, the shell is arranged on the side face of the plate sleeve type condenser, the air inlet is arranged between the lower part of the plate sleeve type condenser and the upper part of the water collecting tank, and the heat pump system, the spray system and the exhaust fan are assembled in the shell to form the integral heat pump unit with the plate sleeve type condenser.
In the cooling process in summer, the plate-sleeve type condenser adopts a cooling mode of air cooling, water cooling, evaporation cooling, combination of air cooling and water cooling and combination of water cooling and evaporation cooling.
When air cooling is adopted, high-temperature high-pressure gaseous refrigerant discharged from the compressor enters a flat jacket of the plate sleeve type condenser through the four-way reversing valve, the exhaust fan discharges air, cold air is pumped in from the lower part of the plate sleeve type condenser, the shell of the plate sleeve type condenser is cooled and cooled, the condensation heat of the refrigerant is absorbed by the cold air, the refrigerant is discharged into the atmosphere by the exhaust fan, the high-temperature high-pressure gaseous refrigerant is cooled into high-pressure liquid refrigerant, then the high-pressure liquid refrigerant is expanded and throttled by the throttle to become low-temperature low-pressure liquid refrigerant, the refrigerant is evaporated and absorbed at the tail end of the air conditioner, the refrigerant becomes low-pressure gaseous refrigerant, and finally the refrigerant returns to the compressor, so that one refrigeration cycle is completed.
When water cooling is adopted, high-temperature high-pressure gaseous refrigerant discharged from the compressor enters the flat plate jacket of the plate-sleeve type condenser through the four-way reversing valve, external cooling water enters the flat plate jacket or the inner tube of the plate-sleeve type condenser to exchange heat with the high-temperature high-pressure gaseous refrigerant in the flat plate jacket, the high-temperature high-pressure gaseous refrigerant is cooled into high-pressure liquid refrigerant by the refrigerant, and condensation heat is brought into external water by the cooling water.
When the evaporation cooling is adopted, the high-temperature high-pressure gaseous refrigerant discharged from the compressor enters the flat jacket of the plate sleeve type condenser through the four-way reversing valve, the circulating water pump of the spraying system circularly operates, spraying water is sprayed out from the spray head and is sprayed on the surface of the flat jacket of the plate sleeve type condenser, the exhaust fan discharges air, air passes through the surface of the flat jacket, the spraying water on the air passes through the surface of the flat jacket to be evaporated and cooled, the spraying water exchanges heat with the high-temperature refrigerant through the plate wall, and the condensation heat is taken away by the wet air and is discharged into the atmosphere.
When the air cooling and water cooling combined cooling is adopted, the high-temperature high-pressure gaseous refrigerant discharged from the compressor enters the flat plate outer sleeve of the plate sleeve type condenser through the four-way reversing valve, the exhaust fan discharges air, cold air is pumped in from the lower part of the plate sleeve type condenser, the shell of the plate sleeve type condenser is cooled down, meanwhile, external cooling water enters the flat plate inner sleeve or the inner tube of the plate sleeve type condenser to exchange heat with the high-temperature high-pressure gaseous refrigerant in the flat plate outer sleeve, the high-temperature high-pressure gaseous refrigerant is cooled into high-pressure liquid refrigerant through the common cooling of the air cooling and the water cooling, and the condensation heat is discharged into the atmosphere and the external water body.
When water cooling and evaporative cooling combined cooling is adopted, high-temperature high-pressure gaseous refrigerant discharged from a compressor enters a flat plate outer sleeve of the plate sleeve type condenser through a four-way reversing valve, external cooling water enters the flat plate inner sleeve or an inner tube of the plate sleeve type condenser to exchange heat with the high-temperature high-pressure gaseous refrigerant in the flat plate outer sleeve, a circulating water pump of a spraying system circularly operates, spray water is sprayed out from a spray head and is sprayed on the surface of the flat plate outer sleeve of the plate sleeve type condenser, an exhaust fan exhausts air, air passes through the surface of the flat plate outer sleeve, the spray water on the spray water is evaporated and cooled, the spray water exchanges heat with the high-temperature refrigerant through a plate wall, condensation heat is taken away by wet air, the high-temperature high-pressure gaseous refrigerant is cooled into high-pressure liquid refrigerant through common cooling of water cooling and evaporative cooling, and the condensation heat is discharged into the atmosphere and external water body.
When heating in winter, the heat pump system is converted into heating circulation, the plate sleeve type condenser is converted into an evaporator, the original evaporator is converted into a condenser, and the plate sleeve type condenser adopts a heating mode of air cooling, water cooling, evaporative cooling, combined air cooling and water cooling and combined water cooling and evaporative cooling.
When air cooling is adopted, high-temperature high-pressure gaseous refrigerant discharged from the compressor enters the evaporator through the four-way reversing valve, the refrigerant condensation heat heats air conditioning water to become high-pressure liquid refrigerant, the high-pressure liquid refrigerant is expanded and throttled through the throttle to become low-temperature low-pressure liquid refrigerant, the low-pressure liquid refrigerant enters the flat jacket of the plate sleeve type condenser, the exhaust fan exhausts air, air is pumped in from the lower part of the plate sleeve type condenser, the refrigerant is evaporated and absorbs heat through heat exchange between the plate wall and the air to become low-pressure gaseous refrigerant, and finally the low-pressure liquid refrigerant returns to the compressor, so that one heating cycle is completed.
When water cooling is adopted, high-temperature high-pressure gaseous refrigerant discharged from the compressor enters the evaporator through the four-way reversing valve, the refrigerant is condensed to heat air-conditioning water, the refrigerant is changed into high-pressure liquid refrigerant, the high-pressure liquid refrigerant is expanded and throttled through the throttle to be changed into low-temperature low-pressure liquid refrigerant, the low-pressure liquid refrigerant enters the flat-plate outer sleeve of the plate sleeve type condenser, external heat source water enters the flat-plate inner sleeve or the inner tube of the plate sleeve type condenser, the refrigerant is evaporated and absorbs heat through heat exchange between the plate wall and the external heat source water to be changed into low-pressure gaseous refrigerant, and finally the low-pressure liquid refrigerant returns to the compressor, so that one heating cycle is completed.
When the evaporation cooling is adopted, the high-temperature high-pressure gaseous refrigerant discharged from the compressor enters the evaporator through the four-way reversing valve, the refrigerant is condensed to heat air conditioning water, the air conditioning water is changed into high-pressure liquid refrigerant, the high-pressure liquid refrigerant is expanded and throttled through the throttle, the low-temperature low-pressure liquid refrigerant is changed into low-pressure liquid refrigerant, the low-pressure liquid refrigerant enters the flat plate jacket of the plate sleeve type condenser, the circulating water pump of the spraying system circularly operates, the spray water is sprayed from the spray head and sprayed on the surface of the flat plate jacket of the plate sleeve type condenser, the exhaust fan exhausts, the air passes through the surface of the flat plate jacket, the spray water on the air is subjected to heat exchange, the water vapor is condensed, the refrigerant is subjected to heat exchange with the spray water, the evaporation heat absorption, the low-pressure gaseous refrigerant is changed into the low-pressure liquid refrigerant, and finally the low-pressure liquid refrigerant returns to the compressor, and one-time heating circulation is completed.
When the combined heating of air cooling and water cooling is adopted, the high-temperature high-pressure gaseous refrigerant discharged from the compressor enters the evaporator through the four-way reversing valve, the refrigerant condenses heat to heat air conditioning water, becomes high-pressure liquid refrigerant, then expands and throttles through the throttle to become low-temperature low-pressure liquid refrigerant, enters the flat plate jacket of the plate sleeve type condenser, the exhaust fan exhausts air, air is pumped in from the lower part of the plate sleeve type condenser, the refrigerant evaporates and absorbs heat through heat exchange between the plate wall and the air, meanwhile, the external heat source water enters the flat plate jacket or the inner tube of the plate sleeve type condenser, exchanges heat with the low-temperature low-pressure liquid refrigerant in the flat plate jacket, and is heated together through air cooling and water cooling, the low-temperature low-pressure liquid refrigerant becomes low-pressure gaseous refrigerant, and finally returns to the compressor, and one-time heating cycle is completed.
When the combined water cooling and evaporative cooling is adopted, high-temperature high-pressure gaseous refrigerant discharged from the compressor enters the evaporator through the four-way reversing valve, the refrigerant condenses heat to heat air conditioning water to become high-pressure liquid refrigerant, the high-pressure liquid refrigerant is expanded and throttled through the throttle to become low-temperature low-pressure liquid refrigerant, the low-pressure liquid refrigerant enters the flat-plate jacket of the plate sleeve type condenser, external heat source water enters the flat-plate jacket or the inner tube of the plate sleeve type condenser, the refrigerant is subjected to heat exchange with external heat source water through the plate wall to absorb heat, meanwhile, the circulating water pump of the spraying system circularly operates, spray water is sprayed out from the spray head, the spray water is sprayed on the surface of the flat-plate jacket of the plate sleeve type condenser, the exhaust fan exhausts air, the spray water on the spray water exchanges heat with the surface of the spray water, the spray water exchanges cooling temperature, the water vapor condenses, the refrigerant exchanges heat with the spray water, the spray water evaporates heat, the low-temperature low-pressure liquid refrigerant becomes low-pressure gaseous refrigerant through the combined water cooling and evaporative cooling, and finally returns to the compressor, and one-time heating circulation is completed.
The operation mode in the transition season can refer to the operation modes in summer and winter, by adopting the mode, various cold and heat sources are comprehensively and effectively utilized by only using the plate sleeve type condenser, and the heat exchange device has the advantages of compact structure, small volume, high heat exchange efficiency and remarkable energy-saving effect.
Drawings
FIG. 1 is a system of a heat pump unit with a plate and sleeve condenser FIG. 1
FIG. 2 is a heat pump unit configuration with a plate and sleeve condenser FIG. 1
FIG. 3 is a heat pump unit configuration with a plate and sleeve condenser FIG. 2
Fig. 4 is a plate and sleeve condenser configuration of fig. 1
Fig. 5 is a plate and sleeve condenser configuration of fig. 2
FIG. 6 is a plate and sleeve condenser configuration of FIG. 3
FIG. 7 is a plate and sleeve condenser configuration of FIG. 4
FIG. 8 is a plate and sleeve condenser configuration of FIG. 5
Fig. 9 is a plate and sleeve condenser configuration fig. 6
FIG. 10 is a plate and sleeve condenser configuration of FIG. 7
FIG. 11 is a plate and sleeve condenser configuration of FIG. 8
FIG. 12 is a plate and sleeve condenser configuration of FIG. 9
FIG. 13 is a heat pump unit configuration with plate and sleeve condenser FIG. 3
FIG. 14 is system FIG. 2 of a heat pump unit with a plate and sleeve condenser
FIG. 15 is the heat pump unit configuration of FIG. 4 with a plate and sleeve condenser
FIG. 16 is system of a heat pump unit with a plate and sleeve condenser FIG. 3
Reference numerals illustrate:
1. the compressor, 2, four-way reversing valve, 3, 46, 47, plate-sleeve condenser, 4, evaporator, 5, 54, restrictor, 6, liquid-showing mirror, 7, dry filter, 8, reservoir, 9, gas-liquid separator, 10, 11, 12, 13, check valve, 14, water collecting tank, 15, circulating water pump, 16, spray head, 17, exhaust fan, 18, 19, 20, 21, 22, 23, 24, 28, 48, 49, valve, 25, water collector, 26, water separator, 27, refrigerant pipe, 29, air intake, 30, 44, water spray channel, 31, plate jacket, 32, plate inner sleeve, 33, cooling water inlet pipe, 34, cooling water outlet pipe, 35, refrigerant inlet pipe, 36, refrigerant outlet pipe, 37, 38, weld edge, 39, support, 40, inner pipe, 41, microchannel, 42, gas-dividing chamber, 43, liquid-collecting chamber, 45, water spray plate, 50, 51, 53, solenoid valve, 52, heat exchange channel, 55, coil, 56, air-conditioning.
Detailed Description
In fig. 1, 2, 3, 4, 5 and 6, a heat pump unit with a plate-sleeve condenser comprises a heat pump system, a spraying system, an exhaust fan 17 and a shell, and is characterized in that the heat pump system comprises the plate-sleeve condenser 3, an evaporator 4, a compressor 1, a throttle 5 and a four-way reversing valve 2, the plate-sleeve condenser 3 comprises a plate outer sleeve 31, a plate inner sleeve 32 or an inner tube 40, the plate outer sleeve 31 is a closed planar shell, a refrigerant is introduced, the plate inner sleeve 32 is a closed planar shell, the inner tube 40 is a coiled pipe or a spiral pipe, the plate inner sleeve 32 or the inner tube 40 is introduced with cooling water, the spraying system or other cold sources are connected, or the plate outer sleeve 31 is introduced with cooling water, the spraying system or other cold sources are connected, the plate inner sleeve 32 or the inner tube 40 is introduced with the refrigerant, the plate inner sleeve 32 or the inner tube 40 is fixed in the plate outer sleeve 31 through a support 39, the cooling water passes through the shell of the plate outer sleeve 31, the cooling water is directly or indirectly connected with the system or other cold sources through the valves 19 and 21, the other cold sources comprise various waste water, surface water, ground water, the water can be directly connected with the water filter, the water filter can be prevented from scaling, if the water can be directly connected with the water filter, and the water can be prevented from being polluted by the water, and the water can be directly or the filter, if the filter is directly or the filter is attached to the filter, and the filter can be directly or the filter, and the filter is attached to the filter, and has the filter, and can be attached to the filter. The flat outer sleeve 31 and the flat inner sleeve 32 are flat shells or rib walls with enhanced heat exchange and are square or rectangular, the refrigerant and the cooling water flow reversely in the plate sleeve type condenser 3, a plurality of plate sleeve type condensers 3 are vertically arranged in the shells, the inlets and the outlets of the plate sleeve type condensers 3 are connected with the water collector 25, the water separator 26 and the liquid collecting tank, the evaporator 4 is a water-cooled evaporator or an air-cooled evaporator, the evaporator 4 is a water-cooled evaporator in the figure, air-cooled evaporator is used for providing cold and hot water of an air conditioner for an air conditioning system, and the air-cooled evaporator is used for a surface cooler of an air conditioning unit to directly treat air. The spraying system comprises a circulating water pump 15, a spray head 16, a pipeline, a filter, a water supplementing pipe and a water collecting tank 14, wherein the pipeline is communicated with the plate sleeve type condenser 3 or other cold sources. The exhaust fan 17 is arranged at an air outlet of the shell, a pipeline of a spraying system and a spray head 16 are arranged below the spray head 16, a plate sleeve type condenser 3 is arranged below the spray head 16, cooling water is sprayed on the plate sleeve type condenser 3, a water collecting tank 14 of the spraying system is arranged below the plate sleeve type condenser 3, cooling water is collected, an evaporator 4, a compressor 1, a throttle 5, a four-way reversing valve 2, a circulating water pump 15 and other auxiliary equipment are arranged below the water collecting tank 14, the side surface of the plate sleeve type condenser 3 is a shell, an air inlet 29 is arranged between the lower side of the shell and the upper side of the water collecting tank 14, and the heat pump system, the spraying system and the exhaust fan 17 are assembled in the shell to form a heat pump unit with the plate sleeve type condenser.
The check valves 10, 11, 12, 13 in the drawings control the flow direction of the refrigerant, and the flow direction of the refrigerant may be controlled by solenoid valves, four-way reversing valves, or the like. The flat outer jacket 31 and the flat inner jacket 32 are made by welding, crimping, brazing and other processes of metal plates. When the cooling water is supplied to the flat jacket 31, it can be made into a detachable jacket, and the jacket can be detached when cleaning and descaling are required. A water spraying plate can be placed in the water spraying air duct 30 between the plate sleeve type condensers 3 to enhance the heat exchange of the sprayed water. The valves 18 and 22 are opened, and spray water can enter the plate sleeve type condenser 3 to exchange heat with the refrigerant, and then is sprayed out from the spray head 16 to release heat or absorb heat into the air. The valves 19 and 21 are opened, external cooling water enters the plate sleeve type condenser 3 to exchange heat with the refrigerant, and the refrigerant rejects heat or absorbs heat to the external cooling water. The valves 23 and 24 are opened, external cooling water enters the spraying system, water is sprayed to the surface of the plate sleeve type condenser 3, heat exchange is carried out between the external cooling water and the refrigerant, and the refrigerant rejects heat or absorbs heat in the external cooling water and the air.
In the cooling process in summer, the plate-sleeve type condenser 3 adopts a cooling mode of air cooling, water cooling, evaporation cooling, combination of air cooling and water cooling and combination of water cooling and evaporation cooling.
When air cooling is adopted, high-temperature high-pressure gaseous refrigerant discharged from the compressor 1 enters a flat jacket 31 of the plate sleeve type condenser 3 through the four-way reversing valve 2, the exhaust fan 17 exhausts air, cold air is pumped in from the lower part of the plate sleeve type condenser 3, the shell of the plate sleeve type condenser 3 is cooled and cooled, the condensation heat of the refrigerant is absorbed by the cold air, the air is discharged into the atmosphere by the exhaust fan 17, the high-temperature high-pressure gaseous refrigerant is cooled into high-pressure liquid refrigerant, and then is expanded and throttled by the throttle 5 to become low-temperature low-pressure liquid refrigerant, the low-pressure liquid refrigerant is evaporated and absorbed in the evaporator 4 to provide refrigerant for the tail end of an air conditioner, the refrigerant becomes low-pressure gaseous refrigerant, and finally returns to the compressor 1, one refrigeration cycle is completed, and the refrigerant circulation process is as follows: compressor 1- & gt four-way reversing valve 2- & gt plate sleeve type condenser 3- & gt one-way valve 13- & gt liquid storage 8- & gt dry filter 7- & gt liquid display mirror 6- & gt throttle 5- & gt one-way valve 10- & gt evaporator 4- & gt four-way reversing valve 2- & gt gas-liquid separator 9- & gt compressor 1.
When water cooling is adopted, high-temperature high-pressure gaseous refrigerant discharged from the compressor 1 enters the flat plate outer sleeve 31 of the plate sleeve type condenser 3 through the four-way reversing valve 2, external cooling water enters the flat plate inner sleeve 32 or the inner tube 40 of the plate sleeve type condenser 3 to exchange heat with the high-temperature high-pressure gaseous refrigerant in the flat plate outer sleeve 31, the high-pressure liquid refrigerant is cooled by the refrigerant, condensation heat is brought into an external water body by the cooling water, the refrigerant is cooled into the high-pressure liquid refrigerant, and then the high-pressure liquid refrigerant is expanded and throttled by the throttle 5 to become low-temperature low-pressure liquid refrigerant, the refrigerant is evaporated and absorbed in the evaporator 4 to provide refrigerant for the tail end of an air conditioner, and finally the refrigerant returns to the compressor 1, so that one refrigeration cycle is completed, and the refrigerant circulation process is the same as above.
When the evaporation cooling is adopted, the high-temperature high-pressure gaseous refrigerant discharged from the compressor 1 enters the flat jacket 31 of the plate sleeve type condenser 3 through the four-way reversing valve 2, the circulating water pump 15 of the spraying system circularly operates, spraying water is sprayed out from the spray head 16 and sprayed on the surface of the flat jacket 31 of the plate sleeve type condenser 3, the exhaust fan 17 exhausts air, air passes through the surface of the flat jacket 31, the spraying water on the air passes through the plate wall to exchange heat with the high-temperature refrigerant, the condensation heat is taken away by wet air and discharged into the atmosphere, the refrigerant is cooled into high-pressure liquid refrigerant, then the high-pressure liquid refrigerant is expanded and throttled through the throttle 5 to become low-temperature low-pressure liquid refrigerant, the refrigerant is provided for evaporation heat absorption at the tail end of the air conditioner, and finally returns to the compressor 1, one refrigeration cycle is completed, and the refrigerant circulation process is the same.
When the air cooling and water cooling combined cooling is adopted, the high-temperature high-pressure gaseous refrigerant discharged from the compressor 1 enters the flat jacket 31 of the plate sleeve type condenser 3 through the four-way reversing valve 2, the exhaust fan 17 exhausts air, cold air is pumped in from the lower part of the plate sleeve type condenser 3, the shell of the plate sleeve type condenser 3 is cooled down, meanwhile, external cooling water enters the flat jacket 32 or the inner tube 40 of the plate sleeve type condenser 3 to exchange heat with the high-temperature high-pressure gaseous refrigerant in the flat jacket 31, the high-temperature high-pressure gaseous refrigerant is cooled into high-pressure liquid refrigerant through the combined cooling of the air cooling and the water cooling, the condensation heat is discharged into the atmosphere and the external water body, the refrigerant is cooled into high-pressure liquid refrigerant, then the high-pressure liquid refrigerant is throttled through the throttle 5 to become low-temperature low-pressure liquid refrigerant, the refrigerant is evaporated and absorbed at the evaporator 4, the refrigerant is provided for the tail end of the air conditioner, and finally the refrigerant returns to the compressor 1, the primary refrigeration cycle is completed, and the refrigerant circulation process is the same as above.
When water cooling and evaporative cooling combined cooling is adopted, high-temperature high-pressure gaseous refrigerant discharged from the compressor 1 enters the flat outer sleeve 31 of the flat sleeve condenser 3 through the four-way reversing valve 2, external cooling water enters the flat inner sleeve 32 or the inner tube 40 of the flat sleeve condenser 3 to exchange heat with the high-temperature high-pressure gaseous refrigerant in the flat outer sleeve 31, meanwhile, the circulating water pump 15 of the spraying system circularly operates, spray water is sprayed from the spray head 16, the spray water is sprayed on the surface of the flat outer sleeve 31 of the flat sleeve condenser 3, the exhaust fan 17 exhausts air, air passes through the surface of the flat outer sleeve 31, the spray water on the spray water is evaporated and cooled, the spray water exchanges heat with the high-temperature refrigerant through the plate wall, condensation heat is taken away by wet air, the high-temperature high-pressure gaseous refrigerant is cooled into high-pressure liquid refrigerant through the joint cooling of water cooling and evaporative cooling, the condensation heat is discharged into the atmosphere and the external water body, the refrigerant is cooled into high-pressure liquid refrigerant through the expansion throttling of the throttle 5 to become low-temperature low-pressure liquid refrigerant, the refrigerant is evaporated and absorbed in the evaporator 4 to absorb heat for providing heat for the tail end of the air conditioner, and finally the low-pressure refrigerant becomes the low-pressure refrigerant to be circulated into the compressor 1 for the same time.
When heating in winter, the heat pump system is converted into heating circulation, the plate sleeve type condenser 3 is converted into an evaporator, the original evaporator 4 is converted into a condenser, and the plate sleeve type condenser 3 adopts a heating mode of air cooling, water cooling, evaporative cooling, combined air cooling and water cooling and combined water cooling and evaporative cooling.
When air cooling is adopted, high-temperature high-pressure gaseous refrigerant discharged from the compressor 1 enters the evaporator 4 through the four-way reversing valve 2, the refrigerant condenses heat to heat air conditioning water, the high-pressure liquid refrigerant is changed into low-temperature low-pressure liquid refrigerant through expansion throttling of the restrictor 5, the low-temperature low-pressure liquid refrigerant enters the flat jacket 31 of the plate sleeve type condenser 3, the exhaust fan 17 exhausts air, air is pumped in from the lower part of the plate sleeve type condenser 3, the refrigerant absorbs heat through heat exchange between the plate wall and the air, the refrigerant becomes low-pressure gaseous refrigerant, and finally the low-pressure gaseous refrigerant returns to the compressor, one heating cycle is completed, and the refrigerant circulation process is as follows: compressor 1- & gt four-way reversing valve 2- & gt evaporator 4- & gt one-way valve 11- & gt liquid reservoir 8- & gt dry filter 7- & gt liquid-showing mirror 6- & gt throttle 5- & gt one-way valve 12- & gt plate sleeve type condenser 3- & gt four-way reversing valve 2- & gt gas-liquid separator 9- & gt compressor 1.
When water cooling is adopted, high-temperature high-pressure gaseous refrigerant discharged from the compressor 1 enters the evaporator 4 through the four-way reversing valve 2, the refrigerant is condensed to heat air conditioning water, the refrigerant is changed into high-pressure liquid refrigerant, the high-pressure liquid refrigerant is expanded and throttled through the throttle 5 to be changed into low-temperature low-pressure liquid refrigerant, the low-pressure liquid refrigerant enters the flat plate outer sleeve 31 of the plate sleeve type condenser 3, external heat source water enters the flat plate inner sleeve 32 or the inner tube 40 of the plate sleeve type condenser 3, the refrigerant is evaporated and absorbs heat through heat exchange between the plate wall and the external heat source water to become low-pressure gaseous refrigerant, and finally the low-pressure gaseous refrigerant returns to the compressor, one heating cycle is completed, and the refrigerant circulation process is the same as above.
When the evaporation cooling is adopted, the high-temperature high-pressure gaseous refrigerant discharged from the compressor 1 enters the evaporator 4 through the four-way reversing valve 2, the refrigerant condenses heat to heat air conditioning water, the refrigerant turns into high-pressure liquid refrigerant, the high-pressure liquid refrigerant is expanded and throttled through the throttle 5, the low-temperature low-pressure liquid refrigerant turns into low-pressure liquid refrigerant, the low-pressure liquid refrigerant enters the flat-plate jacket 31 of the plate-type condenser 3, the circulating water pump 15 of the spraying system circularly operates, spray water is sprayed from the spray head 16, the spray water is sprayed on the surface of the flat-plate jacket 31 of the plate-type condenser 3, the exhaust fan 17 exhausts air, air passes through the surface of the flat-plate jacket 31, the spray water on the air passes through the air heat exchange and the cooling, the water vapor condenses, the refrigerant exchanges heat with the spray water through the plate wall, the evaporation absorbs heat, the low-pressure gaseous refrigerant is changed into low-pressure liquid refrigerant, and finally the low-pressure liquid refrigerant returns to the compressor 1, one-time heating cycle is completed, and the refrigerant circulation process is the same.
When the combined air cooling and water cooling is adopted, high-temperature high-pressure gaseous refrigerant discharged from the compressor 1 enters the evaporator 3 through the four-way reversing valve 2, the refrigerant condenses heat to heat air-conditioning water, the refrigerant turns into high-pressure liquid refrigerant, the high-pressure liquid refrigerant is expanded and throttled through the throttle 5 to turn into low-temperature low-pressure liquid refrigerant, the low-temperature low-pressure liquid refrigerant enters the flat plate jacket 31 of the plate sleeve type condenser 3, the exhaust fan 17 exhausts air, air is pumped in from the lower part of the plate sleeve type condenser 3, the refrigerant exchanges heat with the air through the plate wall to evaporate and absorb heat, meanwhile, external heat source water enters the flat plate inner sleeve 32 or the inner tube 40 of the plate sleeve type condenser 3 to exchange heat with the low-temperature low-pressure liquid refrigerant in the flat plate jacket 31, the low-temperature low-pressure liquid refrigerant turns into low-pressure gaseous refrigerant through the common heating of air cooling and water cooling, and finally returns to the compressor, one heating cycle is completed, and the refrigerant circulation process is the same.
When the combined water cooling and evaporative cooling is adopted, high-temperature high-pressure gaseous refrigerant discharged from the compressor 1 enters the evaporator 3 through the four-way reversing valve 2, the refrigerant condenses heat to heat air-conditioning water to become high-pressure liquid refrigerant, the high-pressure liquid refrigerant is expanded and throttled through the throttle 5 to become low-temperature low-pressure liquid refrigerant, the low-pressure liquid refrigerant enters the flat-plate outer sleeve 31 of the flat-plate sleeve type condenser 3, external heat source water enters the flat-plate inner sleeve 32 or the inner tube 40 of the flat-plate sleeve type condenser 3, the refrigerant is subjected to heat exchange with external heat source water through the flat-plate wall to evaporate and absorb heat, meanwhile, the circulating water pump 15 of the spraying system circularly operates, spray water is sprayed from the spray head 16, the spray water is sprayed on the surface of the flat-plate outer sleeve 31 of the flat-plate sleeve type condenser 3, the exhaust fan 17 discharges air, air passes through the surface of the flat-plate outer sleeve 31, the spray water exchanges heat with the spray water to be cooled down, the water vapor condenses, the refrigerant exchanges heat with the spray water through the flat-plate wall, the evaporation absorbs heat, the heat is subjected to combined water cooling and the low-temperature low-pressure liquid refrigerant becomes low-pressure liquid refrigerant, and finally returns to the compressor 1, and one-time heating circulation is completed.
The operation mode in the transition season can refer to the operation modes in summer and winter, by adopting the mode, various cold and heat sources are comprehensively and effectively utilized by only using the plate sleeve type condenser 3, the energy-saving effect is obvious, and the structure is compact and the volume is smaller.
In fig. 7, 8 and 9, the plate inner jacket 32 of the plate-sleeve type condenser 3 adopts a micro-channel plate heat exchanger, the size of the micro-channel 41 is controlled below 3 mm, and the micro-channel plate heat exchanger can also be called as a micro-tube channel heat exchanger, the shape of the micro-channel 41 is not limited to square and round, the construction form is not limited to the shape shown in the figure, and the micro-channel 41 is a single-row channel or two or more rows of channels. The micro-channel 41 is communicated with the refrigerant, so that the refrigerant is favorable for rapidly transferring heat, the channel is not easy to block, a macro-channel with a larger space is arranged between the outer side of the micro-channel 41 and the flat plate jacket 31, and the cooling water is difficult to ensure cleaning and is easy to scale, so that the macro-channel is suitable for communicating the cooling water. The plate cover 31 can be made as a detachable cover, which is convenient for cleaning dirt.
In fig. 8, the plate inner sleeve 32 is a micro-channel plate heat exchanger, one end of the micro-channel 41 is connected with a gas-dividing chamber 42, the other end is connected with a liquid-collecting chamber 43, the gas-dividing chamber 42 is connected with a refrigerant inlet pipe 35, and the liquid-collecting chamber 43 is connected with a refrigerant outlet pipe 36. During the refrigeration cycle of the heat pump system, the plate-sleeve type condenser 3 is a condenser, the high-temperature high-pressure gaseous refrigerant firstly enters the gas distribution chamber 42 from the refrigerant inlet pipe 35, is split into each micro-channel 41, exchanges heat with cooling water, is condensed into high-pressure liquid refrigerant, is collected into the liquid collection chamber 43, and finally flows out from the refrigerant outlet pipe 36. During the heating cycle of the heat pump system, the plate-sleeve type condenser 3 is converted into an evaporator, low-temperature low-pressure liquid refrigerant enters the liquid collecting chamber 43 from the refrigerant outlet pipe 36, is split into each micro-channel 41, exchanges heat with cooling water, absorbs heat by evaporation, becomes low-pressure gaseous refrigerant, is collected into the gas distributing chamber 42, and finally flows out from the refrigerant inlet pipe 35. The refrigerant flows in reverse with the cooling water. The inner plate sleeve 32 can be made of aluminum alloy by high-temperature sintering, and is arranged in the outer plate sleeve 31, and the refrigerant inlet pipe 35 and the refrigerant outlet pipe 36 pass through the plate wall of the outer plate sleeve 31 in a sealing manner. When the outer plate wall of the flat plate jacket 31 is air-cooled or evaporation-cooled, the inside must be filled with cooling water so that the refrigerant can exchange heat with the refrigerant outside the plate through the cooling water.
In fig. 9, the flat inner jacket 32 is made of two metal plates, first, half molding grooves of the micro-channel 41, the gas-dividing chamber 42 and the liquid-collecting chamber 43 are punched, then the two metal plates are combined together, the refrigerant inlet pipe 35 is placed in the gas-dividing chamber 42, the refrigerant outlet pipe 36 is placed in the liquid-collecting chamber 43, and the two metal plates are sealed together through welding, pressing, brazing and other processes to form a complete micro-channel flat heat exchanger, and the complete micro-channel flat heat exchanger is installed in the flat outer jacket 31 to form the flat-sleeve condenser 3. The micro-channel flat plate heat exchanger made of the metal plate has higher bearing pressure than aluminum alloy and is more corrosion-resistant.
In fig. 10, 11 and 12, a flat plate jacket 31 of the plate-sleeve type condenser 3 adopts a micro-channel flat plate heat exchanger, a closed flat plate inner sleeve 32 is formed between the two flat plate jackets 31, a cooling water inlet pipe 33 and a cooling water outlet pipe 34 are connected, a cooling water channel is formed, and cooling water and a refrigerant flow reversely. Outside the flat jacket 31, the refrigerant exchanges heat by air cooling and evaporative cooling; inside the flat jacket 31, the refrigerant exchanges heat by water cooling. Is convenient for cleaning dirt. The plate and sleeve condenser 3 of fig. 11 may be formed by sintering an aluminum alloy in its entirety at high temperature. The plate-and-sleeve condenser 3 of fig. 12 can be formed by welding metal plates, and the flat plate jacket 31 can be made into a detachable jacket, so that dirt can be removed conveniently.
In fig. 13, a plurality of plate-sleeve condensers 3 form two groups of condensers, the two groups of condensers are connected in parallel in the heat pump system, an exhaust channel is arranged between the two groups of condensers, the outer side face of the condenser is connected with the air outside the shell, an exhaust fan 17 is arranged above the exhaust channel, a water spraying plate 45 is arranged in the exhaust channel, each plate-sleeve condenser 3 is horizontally arranged in parallel, a water spraying air channel 44 is formed between each plate, a spray head 16 is arranged at one end of the condenser, water is sprayed to the water spraying air channel 44, and the other end of the condenser is connected with the exhaust channel. When the steam is cold, the exhaust fan 17 discharges air, the spray head 16 sprays water to the spray air duct 44, the refrigerant discharges heat or absorbs heat to the air through the spray water, the refrigerant is discharged to the atmosphere by the exhaust fan 17, and the spray water flows through the spray plate 45 of the exhaust duct and falls into the water collecting tank 14. The two groups of condensers can also be cooled by water cooling, air cooling, combined cooling of water cooling and air cooling, and combined cooling of water cooling and evaporative cooling.
In fig. 14, 15, two sets of plate-sleeve condensers 46, 47 are connected in parallel or in series in the heat pump system, in the drawing, each set of plate-sleeve condensers is composed of a plurality of plate-sleeve condensers 3 connected in parallel, and both are vertically arranged in the housing. The upper plate-sleeve type condenser 46 can be used for spraying water, each plate-sleeve type condenser 3 is horizontally or vertically arranged, and when the plate-sleeve type condenser is horizontally arranged, the spray head 16 is arranged on the side surface, and water cooling, air cooling, evaporation cooling, water cooling and air cooling combined cooling and water cooling and evaporation cooling combined cooling can be performed. The lower plate-sleeve type condenser 47 is not sprayed with water, only air cooling, water cooling and air cooling combined cooling are carried out, each plate-sleeve type condenser 3 is horizontally or vertically arranged, each plate-sleeve type condenser 3 is provided with a heat exchange air duct 52, one end of the heat exchange air duct is an air inlet, and the other end of the heat exchange air duct is provided with an exhaust fan 17. One can be backed up by adopting two groups of plate-sleeve type condensers, the reliability of the equipment is improved, and when one group of plate-sleeve type condensers frosts in winter, the other can be used for standby, so that the normal operation of the equipment is ensured.
In fig. 16, the evaporator 4 is a double-coil or double-shell or double-tube evaporator with a hot water coil 55 and an air-conditioning coil 56, and the refrigerant exchanges heat with the hot water coil 55 and the air-conditioning coil 56 in the evaporator 4. When the evaporator 4 is functioning as an evaporator, air-conditioning chilled water is provided through an air-conditioning water coil 56; when the evaporator 4 is used as a condenser, air-conditioning hot water is supplied through the air-conditioning water coil 56, and domestic hot water is supplied through the hot water coil 55; when the evaporator 4 is used as an evaporator, the plate sleeve type condensers 46 and 47 can be used as condensers to provide domestic hot water, the electromagnetic valves 51 and 53 and the throttle 54 are opened, the electromagnetic valve 50 is closed, the heat pump system is used for heating circulation, and the plate sleeve type condenser 47 is used for providing domestic hot water.
In summary, the unit of the present invention can be used in large-scale air conditioning systems, medium-scale air conditioning systems, and small-scale air conditioning systems, as long as the unit has abundant waste gas, waste water or natural water as a cooling source and a heat source.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modification, equivalent variation and modification of the above implementation methods according to the technical substance of the present invention fall within the protection scope of the present invention. .
Claims (7)
1. The heat pump unit with plate-sleeve condenser includes heat pump system, spray system, exhaust fan and casing, and features that the heat pump system includes plate-sleeve condenser, evaporator, compressor, throttle and four-way reversing valve, the cooling water pipe of the plate-sleeve condenser is connected directly or indirectly to the spray system or other cold source, the refrigerant pipe is connected to the heat pump system, the combined cooling of air cooling, water cooling, evaporation cooling, air cooling and evaporation cooling is adopted, the plate-sleeve condenser is installed inside the casing, the cooling water inlet and outlet are connected to water collector and water separator, the refrigerant pipe is connected to water cooling evaporator or water collecting tank, the evaporator is water cooling evaporator or water collecting tank, the pipeline is connected to the plate-sleeve condenser or other cold source, the exhaust fan is installed inside the casing, the pipeline and the nozzle of the spray system are set below the spray system, the plate-sleeve condenser is set below the spray head, the water spray water is sprayed onto the plate-sleeve condenser, the water collecting tank is set below the spray head, the evaporator is set, the air cooling pump is set below the air cooling pump, the air cooling pump has the water collecting tank, the air cooling fan is set, the air cooling pump set is set, the air cooling water cooling pump is set, the air cooling set is set, and the air cooling set is set.
2. The heat pump unit with plate-sleeve type condenser includes heat pump system, spray system, exhaust fan and shell, and is characterized by that the heat pump system includes plate-sleeve type condenser, evaporator, compressor, throttle and four-way reversing valve, the cooling water pipe of plate-sleeve type condenser is directly or indirectly connected with spray system or other cold source, the refrigerant pipe is connected into heat pump system, and adopts air cooling, water cooling, evaporation cooling, air cooling and water cooling combined cooling, and several plate-sleeve type condensers are formed into two groups of condensers, and both are parallelly connected in the heat pump system, and its cooling water inlet and outlet water collector and water separator are connected with refrigerant pipe, and between two groups of condensers an exhaust channel is set, and its external side surface is connected with external air of shell, and above the exhaust channel the exhaust fan is mounted, the air exhaust channel is internally provided with a water spraying plate, each plate sleeve type condenser is horizontally arranged in parallel, a water spraying air channel is formed between each plate, one end of the air exhaust channel is provided with a spray head, water is sprayed to the water spraying air channel, the other end of the air exhaust channel is connected with an air exhaust channel, the evaporator is a water-cooled evaporator or an air-cooled evaporator, the spray system comprises a circulating water pump, the spray head, a pipeline and a water collecting tank, the pipeline is communicated with the plate sleeve type condenser or other cold sources, the air exhaust fan is arranged at an air outlet of the shell, the water collecting tank is arranged below the plate sleeve type condenser, spray water is collected, the evaporator, the compressor, the throttle, the four-way reversing valve, the circulating water pump and other auxiliary equipment are arranged below the water collecting tank, and the heat pump system, the spray system and the air exhaust fan are assembled in the shell to form an integral heat pump unit with the plate sleeve type condenser.
3. The heat pump unit with plate-sleeve type condenser includes heat pump system, spray system, exhaust fan and shell, and is characterized by that the heat pump system includes plate-sleeve type condenser, water heater, evaporator, compressor, throttle and four-way reversing valve, the cooling water pipe of plate-sleeve type condenser is directly or indirectly connected with spray system or other cold source, the refrigerant pipe is connected into heat pump system, it has two groups of plate-sleeve type condensers which are connected in series or parallel in heat pump system, and vertically arranged in the shell, the upper plate-sleeve type condenser adopts air cooling, water cooling, evaporation cooling, air cooling and water cooling combined cooling, water cooling and evaporation cooling combined cooling, and the lower plate-sleeve type condenser adopts water cooling, air cooling and water cooling combined cooling, and every group of plate-sleeve type condenser is formed from several plate-sleeve type condensers which are connected in parallel or series, the cooling water inlet and outlet are horizontally or vertically arranged in the shell, the cooling water inlet and outlet are connected with the water collector and the water separator, the refrigerant pipe is connected with the water collecting and separating tank, the evaporator is a water-cooled evaporator or an air-cooled evaporator, the spraying system comprises a circulating water pump, a spray head, a pipeline and a water collecting tank, the pipeline is communicated with the plate sleeve type condenser or other cold sources through a valve, the exhaust fan is arranged at an air outlet above the shell, the pipeline and the spray head of the spraying system are arranged below the spray head, the plate sleeve type condenser is arranged below the spray head, the cooling water is sprayed on the plate sleeve type condenser, the water collecting tank of the spraying system is arranged below the plate sleeve type condenser, the cooling water is collected, the other group of plate sleeve type condensers are arranged below the water collecting tank, the water collecting system is provided with an exhaust fan, the evaporator, the compressor, the circulating water pump and other auxiliary equipment are arranged below the water collecting tank, the heat pump system, the spraying system and the exhaust fan are assembled in the shell, becomes an integral heat pump unit with a plate-sleeve type condenser.
4. A heat pump unit with a plate-in-tube condenser according to claim 1, 2 or 3, wherein the plate-in-tube condenser comprises a plate outer jacket and a plate inner jacket, the plate outer jacket and the plate inner jacket are closed plane shells with heat exchange medium inlet and outlet pipes, the plate inner jacket is arranged in the plate outer jacket, a heat exchange medium inlet and outlet pipe passes through the shells of the plate outer jacket, the plate outer jacket is filled with refrigerant, the plate inner jacket is filled with cooling water, or the plate outer jacket is filled with cooling water, the plate inner jacket is filled with refrigerant, and the refrigerant and the cooling water flow reversely in the plate-in-tube condenser.
5. A heat pump unit with a plate-and-shell type condenser according to claim 1, 2 or 3, wherein the plate-and-shell type condenser comprises a flat-plate jacket and an inner tube, the flat-plate jacket is a closed flat-shaped shell with a heat exchange medium inlet and outlet pipe, the inner tube is a serpentine tube or a spiral tube, the inner tube is arranged in the flat-plate jacket and passes through the shell of the flat-plate jacket, the flat-plate jacket is communicated with refrigerant, the inner tube is communicated with cooling water, or the flat-plate jacket is communicated with cooling water, and the inner tube is communicated with refrigerant, and the refrigerant and the cooling water reversely flow in the plate-and-shell type condenser.
6. A heat pump unit with a plate-sleeve type condenser according to claim 1, 2 or 3, wherein the plate-sleeve type condenser comprises a plate outer sleeve and a plate inner sleeve, the plate outer sleeve is a closed plane shell and is provided with a cooling water inlet pipe, the plate inner sleeve is a micro-channel plate heat exchanger and comprises a gas dividing chamber, a liquid collecting chamber and a micro-channel, one end of the micro-channel is connected with the gas dividing chamber, the other end of the micro-channel is connected with the liquid collecting chamber, the gas dividing chamber and the liquid collecting chamber are connected with a refrigerant inlet pipe which is arranged in the plate outer sleeve, a refrigerant inlet pipe and a refrigerant outlet pipe penetrate through the shell of the plate outer sleeve, the plate outer sleeve is communicated with cooling water, the plate inner sleeve is communicated with refrigerant, and the refrigerant and the cooling water reversely flow in the plate-sleeve type condenser.
7. A heat pump unit with a plate-sleeve type condenser according to claim 1, 2 or 3, wherein the plate-sleeve type condenser comprises a plate outer sleeve and a plate inner sleeve, the plate outer sleeve is a two-piece microchannel plate heat exchanger, refrigerant is led in, the heat pump unit comprises a gas dividing chamber, a liquid collecting chamber and a microchannel, one end of the microchannel is connected with the gas dividing chamber, the other end of the microchannel is connected with the liquid collecting chamber, the gas dividing chamber and the liquid collecting chamber are connected with a refrigerant inlet and outlet pipe, a closed plate inner sleeve is formed between the two microchannel plate heat exchangers and provided with a cooling water inlet and outlet pipe, a cooling water channel is formed, and the refrigerant and the cooling water reversely flow in the plate-sleeve type condenser.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118189319A (en) * | 2024-04-18 | 2024-06-14 | 广州泰阳能源科技有限公司 | Modularized efficient radiator combined with chilled water storage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118189319A (en) * | 2024-04-18 | 2024-06-14 | 广州泰阳能源科技有限公司 | Modularized efficient radiator combined with chilled water storage |
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