3085results about "Evaporators/condensers" patented technology

The invention relates to an ice crystal evaporator and an ice crystal water cooling device producing from the same, belonging to the technical field of refrigeration. The ice crystal evaporator is characterized in that a liquid inlet channel is formed by an evaporator tube, a liquid inlet and a liquid outlet in a tubular casing; and the outer channel of the evaporator tube of the tubular casing is divided into more than one S-shaped channel forming a water return channel through a water inlet of a water divider and a water outlet of a water collector. The ice crystal water cooling device is characterized in that the return air inlet of the ice crystal evaporator is communicated with a compressor, a condenser, a liquid feeding valve, a dry filter, a liquid feeding electromagnetic valve anda thermostatic expansion valve in sequence, and then is communicated with the liquid inlet of the ice crystal evaporator; a cooling water inlet / outlet of the condenser is connected with a cooling tower in series; and a water inlet / outlet of the ice crystal evaporator is communicated with a water circulating pump and an ice crystal energy storage tank in series. The invention has the advantages ofhigh cooling efficiency, no icing and low cooling temperature and is suitable for production of energy storage central air-conditioning, marine fishing, seafood processing, fruit, vegetable or meat processing, and the like; the cooled medium is municipal water.

A liquid cooled heat exchanger includes first and second heat exchange chambers that are in thermal communication. The first heat exchange chamber is downstream of the second heat exchanges chamber and receives heat from a heat generating device, such as an electronic circuit. Heat in the first heat exchange chamber can be transferred to the second heat exchange chamber to increase the temperature of a subcooled liquid working fluid in the second heat exchange chamber. This can render a pressure drop across the heat exchanger that is relatively insensitive to a fraction of liquid that is vaporized in the first heat exchange chamber.

A heat exchanger according to the present invention includes plates each having, at one side thereof, an inlet port into which a fluid is introduced, and a first junction port having a periphery protruding upward, and having, at the other side thereof, an outlet port from which the fluid is discharged, and a second junction port having a periphery protruding upward, and a heat dissipation fin seated on an upper surface of the plate and having at least one non-heat dissipation fin portion formed by cutting a predetermined region of the heat dissipation fin in a direction parallel to a direction from one side to the other of the plate, in which the heat dissipation fin may be inserted between the pair of stacked plates.

A condensate water treatment system of a refrigeration type range hood comprises a compressor, an indoor unit module, an outdoor unit module and a water storage box, the indoor unit module comprises an evaporator and an indoor unit fan, the indoor unit fan is provided with a volute and an impeller, an indoor unit water pan is arranged below the evaporator, and a water outlet is formed in the bottom of the indoor unit water pan. An inlet of the three-way valve is communicated with the water outlet, a first outlet of the three-way valve is communicated with the water inlet end of the purified water inlet pipe, a second outlet of the three-way valve is communicated with the water inlet end of the sewage inlet pipe, and the water storage box is divided into a purified water area and a sewage area. The water outlet end of the purified water inlet pipe is communicated with the purified water area, and the water outlet end of the sewage inlet pipe is communicated with the sewage area. According to the condensate water treatment system of the refrigeration type range hood, self-cleaning of the evaporator and cleaning of the fan impeller of the inner machine can be conducted, and sewage generated after self-cleaning flows into the sewage area of the water storage box through the sewage pipe and is prevented from being mixed with clean condensate water in the clean water area.

A condensate water treatment system of a refrigeration type range hood is characterized in that in a condensate water receiving box on an evaporator, water in the water receiving box is conveyed to a condenser, water flowing back from the condenser flows back to the water receiving box through a water return pipe, the condensate water treatment system further comprises a cooling fan, a steam generator and a spraying pipe, the condenser is arranged on the upstream of the cooling fan in the air flowing direction, and the steam generator is arranged on the water receiving box. The spraying pipe is arranged in an air channel between the air outlet side of the condenser and the air inlet of the cooling fan, a steam outlet of the steam generator is communicated with an inlet of the spraying pipe, and a shutter grating with adjustable blade opening angles is installed on the air inlet side of the condenser. According to the condensate water treatment system of the refrigeration type range hood, air conditioner condensate water is adopted to clean the condenser, external water can be heated through the steam generator to generate high-temperature steam, the high-temperature steam is sprayed out of the spraying pipe to clean the condenser, and according to different working modes, the condensate water treatment efficiency is improved. And the opening angle of the blades of the shutter grille can be adjusted, and the intelligent degree is high.

A vapor injection heat pump system and a method of operating the same are disclosed. The system includes a compressor, an indoor heat exchanger, a vapor injection module, an outdoor heat exchanger, and an evaporator and in which the module includes a first expansion unit, a gas-liquid separator, and a second expansion unit. The method includes performing control in a first heating mode which is a non-vapor injection heating mode or a second heating mode which is a vapor injection heating mode, wherein, in the operation of performing control, a refrigerant introduced into the module is controlled to expand in the first expansion unit, not expand after passing through the gas-liquid separator, and pass through the second expansion unit in the first heating mode, and the refrigerant introduced into the module is controlled to expand primarily in the first expansion unit.

The invention relates to a heat transfer system (10) with a heat source (14) and a heat sink (50), wherein the heat source (14) has a heat discharge arrangement (34) for heat discharge from the heat source (14) by means of a working fluid (12), wherein within the heat discharge arrangement (34) the working fluid (12) can be thermally coupled or coupled to the heat source (14), and wherein by means of the working fluid (12) the heat source (14) can be thermally coupled or coupled to the heat sink (50).A high and defined heat transfer over a large operating temperature range can be achieved by the heat transfer arrangement (34) comprising at least two stages arranged parallel in terms of flow, a first stage (36) and a second stage (42), for heat transfer from the heat source (14) to the working fluid (12), wherein the stages (36, 42) are designed such that they have a different thermal resistance between the heat source (14) and the working fluid (12).

The invention provides a heat exchange system and a heat exchange method. The heat exchange system comprises a turbulent flow gas supply component. The evaporator comprises a shell, an evaporation pipe and a turbulent flow pipe, the evaporation pipe and the turbulent flow pipe are both arranged in the shell, the turbulent flow pipe is located below the evaporation pipe, a plurality of spraying holes are formed in the turbulent flow pipe, and the turbulent flow inlet end of the turbulent flow pipe communicates with the outlet end of the turbulent flow gas supply component so that turbulent flow gas can be conveyed into the turbulent flow pipe. Turbulent flow gas is jetted to the surface of the evaporation pipe through the jet holes so as to destroy a thermal boundary layer formed on the surface of the turbulent flow pipe; the inlet end of the compressor is communicated with the outlet end of the evaporator; the inlet end of the condenser is communicated with the outlet end of the compressor, and the outlet end of the condenser is communicated with the inlet end of the evaporator; the problem that in the prior art, when a flooded evaporator is under the working conditions of low load, low flow speed and the like, the heat exchange efficiency is remarkably reduced due to the fact that a heat boundary layer is formed on the surface of an evaporation pipe is solved.

The air conditioner circulating fan comprises a machine head internally provided with a first air duct, and under driving of a first draught fan in the first air duct, external air enters the first air duct through a first air inlet and then flows out of a first air outlet; a refrigeration assembly, a water cooling assembly, a second air channel and the like are arranged in the machine base, under driving of a second draught fan in the second air channel, external air enters the second air channel after being cooled into cold air through a second air inlet and an evaporator of the refrigeration assembly, and then enters the first air channel through a second air outlet to be mixed with air in the first air channel to form cold air. And the air flows out from the first air outlet. According to the air conditioner, after being cooled by the refrigeration assembly arranged in the machine base, the external air entering the second air channel enters the first air channel and is mixed with the air in the first air channel to form cold air to be sent out, and cooling is achieved while air circulation convection is conducted; and the air volume of the cold air can be adjusted by changing the temperature and proportion of the cold air entering the first air duct, so that the adjustment of cooling is realized.

The invention provides an evaporative cooling type water cooling system and a control method thereof.The evaporative cooling type water cooling system comprises a compressor, a freezing pipeline and an evaporator, a freezing water pump is arranged on the freezing pipeline, and the control method of the evaporative cooling type water cooling system comprises the steps that the frequency of the compressor is adjusted, the water outlet temperature of the freezing pipeline is within a first preset range, and the frequency when the compressor is stable at the moment is obtained; an adjustment coefficient X is obtained according to the ratio of the frequency F1 when the compressor is stable to the maximum set frequency F1max of the compressor; determining the initial adjustment frequency of the chilled water pump through the adjustment coefficient X; and adjusting the frequency of the chilled water pump on the basis of the operation of the initial adjustment frequency of the chilled water pump to enable the evaporation temperature of the evaporator to be within a second preset range. By means of the technical scheme, the problem that in the prior art, an evaporative cooling type water cooling system is high in energy consumption can be solved.

The invention discloses a compressor refrigeration and fluorine pump refrigeration dual-circulation system, and relates to the technical field of refrigeration equipment, the compressor refrigeration and fluorine pump refrigeration dual-circulation system comprises a compressor refrigeration system and a fluorine pump refrigeration system, and the compressor refrigeration system and the fluorine pump refrigeration system are coupled to form the dual-circulation system for cooling electronic components; the compressor refrigerating system comprises a compressor, a condenser, a liquid storage device, a thermostatic expansion valve, a plate heat exchanger and a gas-liquid separator. The compressor, the condenser, the liquid storage device, the thermostatic expansion valve, the plate heat exchanger and the gas-liquid separator are sequentially connected to form a closed loop. The operation of the double-circulation system is controlled through the fluorine supply temperature collected by the temperature sensor installed at the inlet of the cold plate assembly, the fluorine pump refrigeration system conveys a certain flow of refrigerant to the cold plate assembly for heat exchange, and the refrigerant flowing out of the cold plate assembly exchanges heat with the compression refrigeration system through the plate heat exchanger. And the opening balance system is adjusted to output cold energy to the cold plate assembly.

A variable-frequency heat pump water heater (107), a control method therefor, an apparatus, and a storage medium. The variable-frequency heat pump water heater (107) is powered by a grid-connected photovoltaic power generation system. The control method comprises: acquiring the current operation state of the variable-frequency heat pump water heater (107); on the basis of the current operation state, determining a photovoltaic residual electricity consumption scheme of the photovoltaic power generation system; and on the basis of the photovoltaic residual electricity consumption scheme, controlling the variable-frequency heat pump water heater (107) to operate, the operation states of the variable-frequency heat pump water heater (107) at least comprising a first state in which heating is not started and a second state of heating on the basis of a compressor, and the types of the photovoltaic residual electricity consumption scheme at least comprising a first scheme corresponding to the first state and a second scheme corresponding to the second state.

The invention discloses an assembly type pressure-bearing refrigeration system, and particularly relates to the technical field of refrigeration equipment, the assembly type pressure-bearing refrigeration system comprises a container and a combined type refrigeration cycle unit integrated in the container, and the combined type refrigeration cycle unit comprises a low-temperature-stage refrigeration cycle assembly and a high-temperature-stage refrigeration cycle assembly; the low-temperature-stage refrigeration cycle assembly comprises a pressure-bearing liquid storage tank, and the bottom of the pressure-bearing liquid storage tank is fixedly communicated with a refrigerant liquid outlet. Through high-temperature-stage and low-temperature-stage double-circulation collaborative design and a safe pressure control mechanism, the technical bottleneck of a traditional refrigerating system is broken through, the contradiction that low temperature and safety of traditional high-pressure refrigerating equipment cannot be considered at the same time is solved, stable and safe operation at the ultralow temperature ranging from-20 DEG C to-30 DEG C is achieved, and the refrigerating efficiency is improved. Ultralow-temperature refrigeration is achieved through pressure bearing and high-temperature-level and low-temperature-level double-circulation cooling, so that larger-area refrigeration is achieved through lower temperature, modularized integration of the whole system is achieved through a container, and the adaptive pain point that a traditional refrigeration system is fixedly installed and cannot be moved is solved.

An evaporator includes a housing, a first heat exchange tube set, a second heat exchange tube set, a first side heat exchange tube baffle device, a second side heat exchange tube baffle device, and a redistribution device. The first heat exchange tube set is located above the second heat exchange tube set. The first side heat exchange tube baffle device and the second side heat exchange tube baffle device are arranged along the outer contours of the first heat exchange tube set and the second heat exchange tube set, so as to guide a refrigerant to flow from the first heat exchange tube set to the second heat exchange tube set. The redistribution device is disposed between the first heat exchange tube set and the second heat exchange tube set to evenly distribute the refrigerant to the second heat exchange tube set.

A vapor injection heat pump system and an operation method is disclosed. The operation method includes a compressor, an indoor heat exchanger, a vapor injection module, an outdoor heat exchanger, and an evaporator includes an operation of performing control in one of a first heating mode which is a non-vapor injection heating mode in which a refrigerant introduced into the module is introduced into the outdoor heat exchanger and a second heating mode which is a vapor injection heating mode in which some of the refrigerant introduced into the vapor module is introduced into the compressor and the remaining refrigerant is introduced into the outdoor exchanger, wherein, in the operation of performing control, a flow of the refrigerant is maintained in the vapor injection module when the first heating mode is switched to the second heating mode or the second heating mode is switched to the first heating mode.

A heat pump cycle device is provided with a compressor (11), a branch section (12a), a heating section (15), low-temperature-side pressure reducing sections (19, 26, 27), a bypass passage (13), a bypass-side pressure reducing section (14), converging sections (12b, 25), a heat absorbing section (20), and a control section (70). The control unit performs control for switching between the first heating mode and the second heating mode. In the first heating mode, all of the refrigerant discharged from the compressor flows into the heating unit via the branch unit, and the heat absorbed from the heat-absorbing object by the heat-absorbing unit is absorbed to heat the heat-absorbing object. In the second heating mode, a portion of the refrigerant discharged from the compressor flows into the bypass passage via the branch portion, and the refrigerant discharged from the bypass-side pressure reduction portion is guided to the converging portion. When switching from the first heating mode to the second heating mode, the control unit executes a restriction operation for restricting the amount of heat dissipated in the heating unit in the first heating mode to a low level, and after the restriction operation is executed, the switching to the second heating mode is completed.

The present invention relates to a safety device for a reversible heat pump device (10) with a refrigerant circuit coupled to a heat transfer circuit (20) via a first heat exchanger (13). The safety device comprises a first pressure switch for monitoring the pressure of a refrigerant in the refrigerant circuit of the heat pump device (10) and a temperature switch for monitoring the temperature of the refrigerant in the refrigerant circuit of the heat pump device (10). The first pressure switch comprises a first switch (S1) configured to open when the refrigerant pressure is less than a first predetermined pressure limit. The temperature switch comprises a second switch (S2) configured to open when the refrigerant temperature exceeds a predetermined temperature limit.The first switch (S1) is arranged in parallel to the second switch (S2), so that the power supply to the heat pump device (10) is interrupted if the first switch (S1) and the second switch (S2) are open.

The automobile condenser assembly comprises a condenser fan, a first collecting pipe and a second collecting pipe, a plurality of inclined groove holes are correspondingly formed in the opposite sides of the first collecting pipe and the second collecting pipe, and a plurality of connecting holes are formed in the opposite sides of the first collecting pipe and the second collecting pipe. A flat pipe is connected between the two oppositely-formed groove holes in the first collecting pipe and the second collecting pipe, a cavity is formed in the flat pipe and communicated with the two oppositely-formed groove holes, the width direction of the flat pipe is not perpendicular to the length direction of the first collecting pipe and the length direction of the second collecting pipe, and fins are detachably installed between every two adjacent flat pipes. The first collecting pipe is connected with a dryer barrel at the connecting hole, and the second collecting pipe is provided with a pressing plate at the connecting hole. Through inclined arrangement of the pipe belts, the problem that the cooling effect of the condenser assembly is affected due to the fact that the heat dissipating capacity of a traditional condenser assembly is difficult to increase under the condition that the thickness of a condenser core body is not changed is effectively solved.

An air conditioner includes an outdoor unit comprising a compressor and an outdoor heat exchanger, and an indoor unit connected to the outdoor unit and provided with an indoor heat exchanger. The indoor unit includes a first refrigerant flow tube connecting an inlet side of the indoor heat exchanger to the outdoor unit, a second refrigerant flow tube connecting an outlet side of the indoor heat exchanger to the outdoor unit, a first bypass tube branched from a first branch point of the first refrigerant flow tube and joined to a first joining point of the second refrigerant flow tube, a second bypass tube branched from a second branch point of the first refrigerant flow tube and joined to a second joining point of the second refrigerant flow tube, and a flow switching valve disposed between the first and second joining points of the second refrigerant flow tube.

An integrated plate heat exchanger, a temperature control apparatus, an energy storage device, and a vehicle are disclosed. The heat exchanger includes an intermediate partition plate (40), a plate condenser (10), and a plate evaporator (20). The plate condenser (10) and the plate evaporator (20) are respectively fastened on two opposite sides of the intermediate partition plate (40), the plate condenser (10) includes a plurality of condenser heat exchange plates (15) that are stacked, and the plate evaporator (20) includes a plurality of evaporator heat exchange plates (25) that are stacked. At least one of a stacking direction of the plurality of condenser heat exchange plates 915) or a stacking direction of the plurality of evaporator heat exchange plates (25) is parallel to or perpendicular to the intermediate partition plate. The heat exchanger has a compact structure and a small overall volume, and may occupy less internal space of the temperature control apparatus.

The invention relates to the technical field of micro-channel cooling equipment, in particular to a micro-channel condensation system which comprises a micro-channel heat exchange core, an air ring, a flow guide air cone and a heat dissipation fan. The micro-channel heat exchange core comprises flat pipes internally provided with micro-channels, fins, a first current collector and a second current collector, the flat pipes form fan rings in the length direction of the flat pipes, and the fins are arranged between every two vertically adjacent flat pipes; the first current collector is connected with the first end of the heat exchange core body, the second current collector is connected with the second end of the heat exchange core body, the cooling fan is installed at one end of the air ring, and the air ring is installed at the top end of the micro-channel heat exchange core. The flow guide air cone is arranged in the center of the micro-channel heat exchange core. The micro-channel condenser system provided by the invention has better rigidity and reliability. The cylindrical structure is adopted, the flow guide air cone is arranged, the heat exchanger can conduct windward heat exchange in the whole area, the diameter of the cooling fan is minimum, and the better heat exchange efficiency is achieved.

The invention relates to the technical field of dry-type heat exchanger equipment, in particular to a dry-type heat exchanger assembly for a water chiller, which comprises a front shell and a rear shell which are detachably connected through bolts. A supporting frame is fixedly arranged in the rear shell, the supporting frame is connected with the inner wall of the rear side of the rear shell through four fixing rods, a coil pipe is erected, and the coil pipe is sleeved with a plurality of fins. A cleaning mechanism is arranged at the top of the rear shell, comprises a supporting block, a sliding block, a brush plate and a driving assembly and is used for automatically cleaning dust on the surfaces of the coil pipe and the fins. A ventilation hole is formed in the front side wall of the front shell, a fan is installed, a dust filtering mesh cover capable of being conveniently disassembled is arranged, a groove is formed in the rear side of the dust filtering mesh cover and slidably connected with the sealing strip in an inserted mode, and clamping grooves in the two sides are matched with a clamping mechanism to achieve rapid assembly and disassembly. Impurities are effectively intercepted through the dust filtering mesh cover and the clamping mechanism, and the pollution speed and the cleaning frequency of the heat exchange coil pipe are reduced; meanwhile, an automatic cleaning and blowing system is integrated, the cleaning efficiency is improved, and the heat exchange effect and the continuous operation reliability of equipment are guaranteed.

An air conditioning apparatus includes an outdoor unit, indoor units, a branch unit, and a heat medium circuit through which a heat medium having a global warming potential (GWP) lower than that of the refrigerant circulates. The heat medium circuit has a first pump, a second pump, a first heat exchanger, a second heat exchanger, a first branch header, a second branch header, a first merge header, a second merge header, first on-off valves, second on-off valves, third on-off valves, fourth on-off valves, a fifth on-off valve, a sixth on-off valve, a seventh on-off valve, an eighth on-off valve, a ninth on-off valve, and a tenth on-off valve disposed in the branch unit, a supply main pipe and a return main pipe connecting the branch unit to the outdoor unit, and supply branch pipes and return branch pipes connecting the branch unit to the respective indoor units.

A fluid management module having a support including at least one channel for the flow of a refrigerant fluid. The support bearing at least one component with a fluidic function such as an expansion member or a refrigerant valve. The fluid management module includes at least one main two-fluid heat exchanger arranged to allow heat exchange between the refrigerant fluid and a heat-transfer fluid. The support is assembled with the heat exchanger so as to form at least one sealed connection for the refrigerant fluid flowing between the channel of the support and the main two-fluid heat exchanger.

The utility model discloses an integrated environment control device for a plant factory, which relates to the technical field of plant factories and comprises a machine body, a heat exchanger group and a circulating flow channel group. According to the technical scheme, the heat exchanger set is arranged in the circulation channel, when the fan wall outputs power and extracts gas in the plant factory, and the gas passes through the heat exchanger set, liquid in the gas is liquefied and dehumidified through the temperature difference of the heat exchanger set, and dehumidification is achieved. And in the refrigerant circulation process, the temperature of the dehumidified and cooled gas can be heated again and is sent back into the plant factory, so that dehumidification and temperature adjustment control over the environment of the plant factory is achieved, negative pressure can be formed in the air flue when the fan wall works, external fresh air can enter the circulation channel through the air flue, and therefore the temperature of the plant factory can be controlled. And the dehumidifier, the air conditioning equipment and the fresh air machine are integrally designed, so that the temperature and humidity adjusting cost of the plant factory is greatly reduced.

The invention provides a compound evaporator coupled with multiple heat sources, and a heat pump system thereof. The use efficiency of a heat pump and the energy utilization rate are improved while the coupled use of the multiple heat sources is achieved; meanwhile, flue gas waste heat can be recycled, and purification is achieved; and the side of the evaporator is prevented from being frosted effectively. The compound evaporator comprises a shell, and flanges arranged at the two ends of the shell; the shell comprises an outer shell and an inner shell; a spiral refrigerant flow channel is arranged in a clearance between the outer shell and the inner shell; an inside cavity of the inner shell forms a coupled working medium flow channel, and the two ends of the inner shell are provided witha coupled working medium inlet and a coupled working medium outlet separately; the outer side of the outer shell is provided with a plurality of flue gas cooling fins, and a flue gas channel used forheat exchange is formed between the adjacent flue gas cooling fins; and the two ends of the outer shell are separately provided with a refrigerant inlet and a refrigerant outlet which communicate withthe refrigerant flow channel.

The invention relates to the technical field of snowflake ice makers, in particular to an evaporator assembly of a snowflake ice maker, which comprises a support, a barrel is fixedly arranged on the support, a liquid inlet pipe and an air outlet pipe are arranged on the barrel, one end of the liquid inlet pipe is arranged in an inner cavity of the barrel, and the other end of the liquid inlet pipe is used for being connected with a liquid outlet of a refrigerating system. One end of the air outlet pipe is arranged in the inner cavity of the barrel, and the other end of the air outlet pipe is connected with an air outlet of a refrigerating system; a roller is rotatably arranged outside the roller body in a sleeving manner, and the roller is rotatably arranged on the bracket; a cavity is formed between the roller and the roller body, and the cavity is filled with a refrigerating medium; sealing devices are arranged between the two ends of the roller and the two corresponding ends of the roller body. Through the sealing device and the bearing structure between the drum body and the roller, the sealing design of the rotating shaft is simplified, the abrasion risk of a sealing piece is reduced, more importantly, the drum body does not need to rotate, and the sealing structure has the advantages of being simple and reliable, low in cost and long in service life.

A cooling distribution unit includes a housing defining a width between a first lateral side wall and a second lateral side wall, and a coil bank disposed within the housing. The coil bank includes a first heat exchanger defining a first width and a second heat exchanger defining a second width, where the second heat exchanger is arranged fluidically in parallel with the first heat exchanger so that fluid flows to the first heat exchanger, the second heat exchanger, or both the first heat exchanger and the second heat exchanger. A sum of the first width of the first heat exchanger and the second width of the second heat exchanger is greater than the width of the housing. The cooling distribution unit further includes a fan assembly to direct airflow through the coil bank to cool a fluid passing through the first heat exchanger and the second heat exchanger.

The invention belongs to the technical field of heat management, and relates to an integrated heat pump unit and a heat management system, the integrated heat pump unit comprises a compressor, a first three-way electronic valve, a water-cooling condenser, an electronic expansion valve and a battery cooler, and a shell of the compressor is provided with a plurality of interfaces and cavities for installing and connecting the components and forming a refrigerant circulation path. According to the integrated heat pump unit, through the innovative design of the cavity and the flow channel of the compressor shell, the liquid storage function and the refrigerant circulation function are highly integrated into the compressor body. The number of liquid storage tanks, external pipelines and connectors needed by a traditional heat pump system is remarkably reduced, the filling amount of refrigerants is reduced, potential leakage points are effectively reduced, and therefore the sealing performance and reliability of the system are directly improved; meanwhile, due to the integrated design, the middle link of refrigerant flowing is reduced, on-way flowing resistance and on-way heat loss can be reduced, and positive significance is achieved for improving the energy efficiency of the system.

A condensate water treatment system of a refrigeration type range hood is characterized in that an inlet of a first three-way valve is communicated with a condensate water outlet, a first outlet of the first three-way valve is communicated with the water inlet end of a purified water inlet pipe, a second outlet of the first three-way valve is communicated with the water inlet end of a sewage inlet pipe, and an inlet of the second three-way valve is communicated with a condensate water return port; a first outlet of the second three-way valve is communicated with the water inlet end of a purified water return pipe, a second water outlet of the second three-way valve is communicated with the water inlet end of a sewage return pipe, and the water outlet end of the purified water inlet pipe and the water outlet end of the purified water return pipe are both communicated with the purified water area; and water in the water purification area is conveyed to the condenser through the water outlet pipe. According to the condensate water treatment system for the refrigeration type range hood, the evaporator and the condenser can be cleaned independently, cleaned sewage flows into the sewage area, overflows and can be directly discharged into the oil cup, the water pump cannot be blocked and damaged, and sewage cannot be accumulated in the water storage box.