CN105928240B - A kind of heat-exchange system - Google Patents

A kind of heat-exchange system Download PDF

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Publication number
CN105928240B
CN105928240B CN201610381101.7A CN201610381101A CN105928240B CN 105928240 B CN105928240 B CN 105928240B CN 201610381101 A CN201610381101 A CN 201610381101A CN 105928240 B CN105928240 B CN 105928240B
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heat
outlet
working medium
entrance
evaporator
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CN105928240A (en
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唐玉敏
虞红伟
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Zhejiang Shizi New Energy Technology Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • F25B41/31Expansion valves

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

A kind of heat-exchange system, including evaporator, compressor, condenser and the first throttle part connected by working fluid channel;The outlet of the evaporator connects the entrance of the compressor, and the outlet of the compressor connects the entrance of the condenser, and the outlet of the condenser connects the entrance of the first throttle part, and the outlet of the first throttle part connects the entrance of the evaporator;It is characterized by: being equipped with heat displacement zone between the condensator outlet and the first throttle part entrance.The heat displacement zone established between the condenser and the first throttle part keeps apart the condensing zone of system and evaporating area, is promoting condensation simultaneously, completely cuts off influence of the waste heat of condensation to evaporating area, so that system energy efficiency greatly promotes.

Description

A kind of heat-exchange system
Technical field
The present invention relates to technical field of heat exchange more particularly to a kind of heat-exchange systems.
Background technique
Such as Fig. 1, traditional air conditioner and heat pump heating/refrigeration system include compressor, condenser, throttling element and evaporator, Low-temp low-pressure working medium in heating/cooling system flows through evaporator and absorbs heat gasification, is compressed to high temperature and pressure within the compressor Gas, flow through condenser release heat, be finally again introduced into evaporator after throttling element is depressured.Circulation of the working medium in system Continuous heat absorption, heat release in the process, realize system heating/refrigeration.
Heating/refrigeration system is for condenser being installed in the environment for needing to heat, working medium is in evaporator when heating The middle heat absorbed in evaporator local environment, and be delivered in condenser through working fluid channel and discharge heat, to improve condenser The temperature of local environment, reaches heating effect.Heating/refrigeration system is for evaporator being installed on and needs to freeze when freezing Environment in, working medium absorbs the heat in evaporator local environment in evaporator to reduce the temperature of evaporator local environment, And be delivered in condenser through working fluid channel and the heat being absorbed into is discharged into environment locating for condenser, reach refrigeration effect Fruit.
Such as Fig. 2, traditional air conditioner and heat pump refrigerating/heating system application scenarios are divided for two regions: throttling Condensing zone before part, and the evaporating area after throttling element.High temperature and pressure working medium enters between evaporator through condenser There are two links: link one, first passes around working medium pipeline by the high temperature and pressure working medium that condenser flows out and reaches throttling element;Link Two, evaporator is reached by throttling element.In link one, a part of heat of working medium is dispersed into environment, inabundant It utilizes, causes the waste of working medium heat resources.In link two, temperature is lowered after the effect that working medium passes through throttling element, Finally enter evaporating area evaporation endothermic.But throttling element is limited to the cooling effect of working medium in traditional air conditioner cooling/heating system , working medium still can enter in evaporator with a part of waste heat of condensation.For cooling/heating system, in certain model In enclosing, the Temperature of Working into evaporator is lower, and the temperature difference in evaporator between working medium and evaporating area environment is bigger, evaporator The heat that middle working medium absorbs is more, and correspondingly, the refrigerating/heating ability of heat-exchange system is also stronger.But working medium in link two The waste heat of condensation of carrying but reduces the temperature difference in evaporator between working medium and external environment, destroys the evaporating field of evaporator Scape.Therefore, in traditional air-conditioning heat pump cooling/heating system, condensing zone and evaporating area are not to be completely independent isolation, working medium Waste heat of condensation is brought into evaporator, partial condensation waste heat is not only wasted, but also causes the mutual of condensing zone and evaporating area Infection, the efficiency of whole system is unable to reach optimal.
Summary of the invention
The present invention provides a kind of heat-exchange system to solve above-mentioned technical problem.
Technical scheme is as follows:
A kind of heat-exchange system, including evaporator, compressor, condenser and the first throttle connected by working fluid channel Part;The outlet of the evaporator connects the entrance of the compressor, and the outlet of the compressor connects the entrance of the condenser, The outlet of the condenser connects the entrance of the first throttle part, and the outlet of the first throttle part connects the evaporator Entrance;It is characterized by: being equipped with heat displacement zone between the condensator outlet and the first throttle part entrance.It establishes in institute The heat displacement zone stated between condenser and the first throttle part keeps apart traditional condensing zone and evaporating area, cold being promoted It coagulates simultaneously, completely cuts off influence of the waste heat of condensation to evaporating area, so that system energy efficiency greatly promotes.
Preferably, the heat displacement zone includes the second throttling element and heat displacement apparatus;Second throttling element Entrance connect the outlet of the condenser, the outlet of second throttling element connects the entrance of the heat displacement apparatus, institute State the first outlet connection entrance every first throttle part of heat displacement apparatus.It is working medium etc. before second throttling element The condensing zone of temperature transformation, the first throttle part are later evaporating area.Second throttling element will be in traditional Kano formula circulation Throttling element Forward shortens condensator outlet the distance between to throttling element, is arranged between the second throttling element and evaporator Heat displacement apparatus recycles originally in a kind of partial condensation waste heat that can be discharged into environment of aforementioned link, that is, avoids condensation Decay heat removal causes to waste into environment, and enables the Temperature of Working into evaporator lower, avoids waste heat of condensation pair Evaporator evaporates the destruction of scene, and condensing zone and evaporating area are kept apart, the mutual infection of condensing zone and evaporating area is avoided.
Preferably, the heat displacement apparatus includes heat recovery unit, heat utilization unit, the heat recovery list The entrance of member connects the entrance of the heat displacement apparatus, and the outlet of the heat recovery unit connects the heat displacement apparatus First outlet.
Preferably, the heat displacement apparatus includes third throttling element, described in the entrance connection of the third throttling element The first outlet of heat displacement apparatus, the outlet of the third throttling element connect the entrance of the heat utilization unit, the heat Amount connects the second outlet of the heat displacement apparatus using the outlet of unit.
Preferably, the second outlet of the heat displacement apparatus is connected to the entrance of the compressor.
Preferably, the second outlet of the heat displacement apparatus is connected to the entrance of the evaporator.
Preferably, the second outlet of the heat displacement apparatus is connected to the entrance of the compressor, the heat is set The second outlet of changing device is connected to the entrance of the evaporator.
Preferably, the heat recovery unit includes the first heat exchange plate equipped with working fluid channel, the heat utilization Unit includes the second heat exchange plate equipped with working fluid channel, the entrance of the heat recovery unit and the heat recovery unit Outlet is connected to by the working fluid channel of first heat exchange plate, the entrance of the heat utilization unit and the heat utilization list The outlet of member is connected to by the working fluid channel of second heat exchange plate;First heat exchange plate and second heat exchange plate Fit closely to interval patch.
Preferably, the heat-exchange system is heating system.
Preferably, the heat-exchange system is refrigeration system.
Such as Fig. 3, technical solution of the present invention changes the big region of traditional Kano formula cycle applications system two, four big components Heat displacement zone is arranged in tectonic framework between the condensing zone and the evaporating area, the working medium warp flowed out through the condenser It crosses the heat displacement zone and enters back into the evaporator.So that entire heat-exchange system have it is following the utility model has the advantages that
1. second throttling element moves forward the throttling element of evaporator front end in traditional air conditioner heat pump refrigerating/heating system, The condensing units being discharged into external environment will be wasted originally to utilize, and working medium is evaporated for heat displacement apparatus, is mentioned The high efficiency of system.
2. the heat recovery unit of the heat displacement apparatus extracts the heat through condenser outflow working medium, avoid The waste heat of condensation that working medium carries destroys the evaporation scene of evaporator.
3. the heat recovery unit of the heat displacement apparatus extracts the waste heat of condensation through condenser outflow working medium, so that The Temperature of Working for flowing out to evaporator end through the heat displacement apparatus substantially reduces, and increases working medium and evaporator in evaporator Temperature difference between external environment increases the heat absorption capacity of system, improves the efficiency of system.
4. the waste heat of condensation pair that the heat utilization unit of the heat displacement apparatus utilizes the heat recovery unit to extract Working medium is heated, so that part working medium is evaporated to gaseous state.By this part, gaseous working medium is exported to suction port of compressor, can be improved The pressure of inspiration(Pi) of compressor, to improve the efficiency of compressor.
5. the gaseous working medium that the heat utilization unit evaporation of the heat displacement apparatus obtains is exported to compressor Mouthful, it can also reduce the pressure difference of compressor, extend the service life of compressor.
6. the waste heat of condensation pair that the heat utilization unit of the heat displacement apparatus utilizes the heat recovery unit to extract Working medium is heated, so that part working medium is evaporated to gaseous state.By this part, gaseous working medium exports the evaporator into heat-exchange system (e.g., different poly- state heat collector panel), can be improved the accounting that evaporator enters gaseous working medium in the working medium of evaporator, so that passive heat absorption Working medium is more evenly distributed in the evaporator of type, avoids forming liquid heap in evaporator, improves the evaporation efficiency of evaporator.
7. heat-exchange system structure is simple, heat displacement apparatus and the second throttling element need to be only added to condenser and the The transformation for traditional air-conditioning heat pump cooling/heating system can be completed between one throttling element, entire escalation process is not related to The change of original system modular construction.
Detailed description of the invention
Fig. 1 is the system diagram of existing heating/refrigeration system.
Fig. 2 is existing heating/refrigeration system scene figure.
Fig. 3 is heat-exchange system scene figure of the invention.
The system diagram of one heat-exchange system of Fig. 4 embodiment.
The system diagram of two heat-exchange system of Fig. 5 embodiment.
The system diagram of three heat-exchange system of Fig. 6 embodiment.
The system diagram of Fig. 7 example IV heat-exchange system.
Fig. 8 heat displacement apparatus side view.
Fig. 9 heat displacement apparatus structural schematic diagram one.
Figure 10 heat displacement apparatus structural schematic diagram two.
Figure 11 plural serial stage heat displacement apparatus schematic diagram.
Figure 12 plural parallel stage heat displacement apparatus schematic diagram.
Figure 13 multistage mixed connection heat displacement apparatus schematic diagram.
Specific embodiment
Embodiments of the present invention are described in detail below in conjunction with attached drawing.
Embodiment one
If Fig. 4 is a kind of heating system, including compressor, condenser, evaporator, the first segment connected by working fluid channel Flow part, the second throttling element and heat displacement apparatus.The entrance of the outlet connection condenser of compressor, the outlet of condenser connects Connect the entrance of the second throttling element, the entrance of the outlet connection heat displacement apparatus of third throttling element, the first of heat displacement apparatus Outlet is connected to the entrance of first throttle part, the entrance of the outlet connection evaporator of first throttle part, the outlet connection of evaporator The air entry of compressor.During working medium flows in working fluid channel, the heat of evaporator external environment is absorbed, and is discharged into In environment where condenser, to need the environment heat supply heated, the temperature in room is improved, heating effect is reached.
Heat displacement apparatus includes heat recovery unit, heat utilization unit and third throttling element.Heat recovery unit Connect the entrance of heat displacement apparatus, the first outlet of the outlet connection heat displacement apparatus of heat recovery unit, third throttling The first outlet of the entrance connection connection heat displacement apparatus of part, the outlet connection heat utilization unit of third throttling element enter Mouthful, the second outlet of the outlet connection heat displacement apparatus of heat utilization unit.The second outlet of heat displacement apparatus is connected to The air entry of compressor.The heat recovery unit of heat displacement apparatus extracts the heat of the working medium flowed out through condenser, so that stream It is substantially reduced out to the Temperature of Working of first throttle part.More than the working medium condensation that heat utilization unit utilizes heat recovery unit to extract Thermal evaporation part working medium, so that working medium heat absorption is evaporated to gaseous working medium.Second throttling element is between first throttle part and condenser Establish the heat displacement zone for keeping apart evaporating area and condensing zone.The condensing zone that working medium carries out isothermal transformation is located at the second section Before flowing part, heat recovery unit in heat displacement zone is to the absorption of working medium heat and does not interfere with the cold of condenser Solidifying pressure difference, therefore the waste heat of condensation of working medium can be recycled to greatest extent, so that the Temperature of Working into evaporator substantially reduces. It avoids working medium from carrying excessive condensation heat and enters the evaporation scene that evaporator destroys evaporator;The heat utilization device of heat displacement zone Working medium is evaporated to gaseous state using the waste heat of condensation that heat reclaim unit extracts, improves the efficiency of system.
Such as the side view that Fig. 8 is heat displacement apparatus 1.Heat recovery unit includes the first of the metal material placed vertically Heat exchange plate 2, heat utilization unit include the second heat exchange plate 3 of the metal material placed vertically.Heat recovery unit can wrap Multiple first heat exchange plates 2 are included, heat utilization unit also may include multiple second heat exchange plates 3.First heat exchange plate 2 and second The quantity of heat exchange plate is identical, and compartment of terrain overlaps.
Such as Fig. 9, the first heat exchange plate 2 include the working medium entrances 21 that top is set, sender property outlet arranged at the bottom 22, And the working fluid channel 23 between working medium entrances and sender property outlet is set.Second heat exchange plate 3 includes arranged at the bottom Working medium entrances 31, the sender property outlet 32 that top is set and the working medium being arranged between working medium entrances 31 and sender property outlet 32 Runner 33.Working medium flow direction in the working fluid channel 23 of first heat exchange plate 2 and the work in the working fluid channel 33 of the second heat exchange plate 3 Mass flow is to opposite.The entrance of the working medium entrances connection heat recovery unit of first heat exchange plate 2, the working medium of the first heat exchange plate 2 The outlet of outlet connection heat recovery unit.The entrance of the working medium entrances connection heat utilization unit of second heat exchange plate 3, second The sender property outlet 32 of heat exchange plate 3 connects the outlet of heat utilization unit.
The outlet (i.e. the sender property outlet 22 of the first heat exchange plate) of the entrance connection heat recovery unit of third throttling element 4, The outlet of third throttling element 4 connects heat utilization unit entrance (i.e. the working medium entrances 31 of the second heat exchange plate).Go out through condenser The high temperature and pressure working medium come can enter third throttling element 4, third throttling before non-total condensation in the form of gas-liquid two-phase state The flow of the adjustable working medium that heat utilization unit is flowed to by heat recovery unit of part 4 is realized to heat recovery unit and heat Utilize the adjusting of the working medium density in unit.The working medium density in heat recovery unit, which is adjusted, by third throttling element 4 is greater than heat Amount is using the working medium density in unit, so that the total enthalpy of working medium is greater than the working medium in the second heat exchanger plates 3 in the first heat exchange plate 2 Total enthalpy.The first heat exchange plate 2 and the second heat exchange plate 3 of metal material closely overlap, total due to the two Enthalpy is different, them is caused to carry out hot transmitting between each other.Gas-liquid mixed state working medium in the second heat exchange plate 3 absorbs first The working medium heat of gas-liquid mixed state in heat exchange plate 2, it is gaseous state that the working medium in the second heat exchange plate 3, which absorbs heat of vaporization, the Working medium release heat in one heat exchange plate 2 is liquefied, and temperature further decreases.
The outlet of the entrance connection condenser of second throttling element, the outlet connection heat recovery unit of the second throttling element enter Mouthful.Second throttling element be equivalent to by original heat-exchange system evaporator front end first throttle part Forward, effectively will condensation more than Heat is used for heat exchange system, improves effective quantity of heat production of system, avoids heat waste.
The gas-liquid mixed state working medium of the outlet outflow of condenser, enters heat displacement zone along working fluid channel.It is set in heat In changing device, working medium carries out sufficient heat displacement in heat recovery unit and heat utilization unit.It is filled finally, being replaced through heat The first outlet set flows out into working medium temperature of the Temperature of Working than the outlet outflow by condenser of the entrance of first throttle part It spends lower.The heat for entering the working medium of evaporator by first throttle part is reduced, the Temperature of Working into evaporator is lower, adjusts Evaporating pressure is saved, so that the heat absorption capacity of evaporator is higher.
As Fig. 4 absorbs the working medium containing more gaseous working mediums that heat is evaporated through heat utilization in heat utilization unit It flows out the outlet of unit.The second outlet of heat displacement apparatus can be connected to the entrance of compressor, and (benefit can also be used in compressor The second outlet of heat displacement apparatus can be connected to the gas supplementing opening of the benefit enthalpy compressor by enthalpy formula compressor at this time), improve pressure Contracting machine pressure of inspiration(Pi) improves the compression efficiency of compressor to improve the compression ratio of compressor, and extends compressor Service life.
Embodiment two
If Fig. 5 is a kind of heating system, including compressor, condenser, evaporator, the first segment connected by working fluid channel Flow part, the second throttling element and heat displacement apparatus.Wherein, evaporator includes common evaporator and heat collector panel (passive type heat absorption Different poly- state absorber plate).The entrance of the outlet connection condenser of compressor, outlet the second throttling element of connection of condenser enter Mouthful, the entrance of the outlet connection heat displacement apparatus of third throttling element, the first outlet of heat displacement apparatus is connected to first segment Flow the entrance of part, the entrance of the outlet connection evaporator of first throttle part, the air entry of the outlet connect compressor of evaporator.Work During matter flows in working fluid channel, the heat of evaporator external environment is absorbed, and is discharged into the environment where condenser In, to need the environment heat supply heated, the temperature in room is improved, heating effect is reached.
The structure of heat displacement apparatus is the same as example 1, and is repeated no more in the present embodiment.Equally, the outlet of condenser The gas-liquid mixed state working medium of outflow, enters in heat displacement apparatus along working fluid channel.The heat recovery list of heat displacement apparatus Working medium carries out sufficient heat exchange in member and heat utilization unit.Finally, the outlet of heat recovery unit flows out into The Temperature of Working of the entrance of one throttling element is lower than the Temperature of Working of the outlet outflow by condenser.It reduces and passes through first throttle Part enters the heat of the working medium of evaporator, and the Temperature of Working into evaporator is lower, evaporating pressure is adjusted, so that the suction of evaporator Thermal energy power is higher.
As Fig. 5 absorbs the working medium containing more gaseous working mediums that heat is evaporated through heat utilization in heat utilization unit It flows out the outlet of unit.The second outlet of heat displacement apparatus can be connected to the entrance of compressor, improve compressor air suction Pressure, to improve the compression ratio of compressor.
Embodiment three
If Fig. 6 is a kind of heating system, including compressor, condenser, evaporator, the first segment connected by working fluid channel Flow part, the second throttling element and heat displacement apparatus.Wherein, evaporator includes common evaporator and heat collector panel (passive type heat absorption Different poly- state absorber plate).The entrance of the outlet connection condenser of compressor, outlet the second throttling element of connection of condenser enter Mouthful, the entrance of the outlet connection heat displacement apparatus of third throttling element, the first outlet of heat displacement apparatus is connected to first segment Flow the entrance of part, the entrance of the outlet connection evaporator of first throttle part, the air entry of the outlet connect compressor of evaporator.Work During matter flows in working fluid channel, the heat of evaporator external environment is absorbed, and is discharged into the environment where condenser In, to need the environment heat supply heated, the temperature in room is improved, heating effect is reached.
The structure of heat displacement apparatus is the same as example 1, and is repeated no more in the present embodiment.Equally, the outlet of condenser The gas-liquid mixed state working medium of outflow, enters in heat displacement apparatus along working fluid channel.In heat displacement apparatus, heat recovery list Working medium sufficiently carries out heat exchange in member and heat utilization unit.Finally, flowing out into first throttle through heat recovery unit The Temperature of Working of the entrance of part is lower than the Temperature of Working of the outlet outflow by condenser.It reduces and is entered by first throttle part The heat of the working medium of evaporator, the Temperature of Working into evaporator is lower, evaporating pressure is adjusted, so that the heat absorption capacity of evaporator It is higher.
As Fig. 6 absorbs the working medium containing more gaseous working mediums that heat is evaporated through heat utilization in heat utilization unit It flows out the outlet of unit.The second outlet of heat displacement apparatus can be connected to the entrance of first throttle part, pass through first throttle Part enters heat collector panel, improves the accounting of the gaseous working medium entered in heat collector panel working medium, so that in the heat collector panel of passive heat absorbing type Working medium distribution is more uniform, is equivalent to and has carried out a primary evaporator for heat collector panel, improves the heating capacity of system.
Example IV
Non- description section is identical as embodiment three in the present embodiment, and details are not described herein.The area of the present embodiment and embodiment It is not:
As Fig. 7 absorbs the working medium containing more gaseous working mediums that heat is evaporated through heat utilization in heat utilization unit It flows out the outlet of unit.The second outlet of heat displacement apparatus can be respectively connected to the entrance and compressor of first throttle part Entrance.On the one hand, suction pressure of compressor is improved, to improve the compression ratio of compressor;Another reverse side, passes through first segment Stream part enters heat collector panel, improves the accounting of the gaseous working medium entered in heat collector panel working medium, so that in the heat collector panel of passive heat absorbing type Working medium distribution it is more uniform, be equivalent to and carried out a primary evaporator for heat collector panel, improve the heating capacity of system.
Previous embodiment one to embodiment five can also be using the structure such as Figure 10:
Heat recovery unit includes the first heat exchange plate 2 of the metal material placed vertically, which includes The working medium entrances 21 at top are set, sender property outlet arranged at the bottom 22, are arranged between working medium entrances and sender property outlet Absorb heat working fluid channel 26, collector tube 23 and gas phase return pipe 24.Heat absorption working fluid channel 26 is S-shaped curved channel, work of absorbing heat 26 entrance of mass flow road connects working medium entrances 21, and collector tube 23 is connected to heat absorption working fluid channel 26 by the first return flow line 25, gas Phase return pipe 24 is connected to heat absorption working fluid channel 26 by the second return flow line 27.First return flow line 25 is inclined linear flow The position of road, the first return flow line 25 and the tie point of collector tube 23 is lower than the first return flow line 25 and heat absorption working fluid channel 26 The position of tie point.Second return flow line 27 is inclined line flowing channel, the company of the second return flow line 27 and gas phase return pipe 24 The position of contact is higher than the position of the second return flow line 27 with the tie point of heat absorption working fluid channel 26.
The working medium that gas-liquid mixes state enters heat absorption working fluid channel 26 through working medium entrances 21, most of work in heat absorption working fluid channel The heat of matter is absorbed transfer, becomes the lower liquid refrigerant of temperature.Liquid refrigerant due to gravity through tilting down One return flow line 25, which enters in collector tube 23, to be collected.Gaseous working medium is remained as to flow in curved heat absorption working fluid channel 26 It is dynamic, enter at the return working medium entrances 21 of gas phase return pipe 24 through acclivitous second return flow line 27 and is again introduced into heat absorption working medium Runner 26 enables its heat to be absorbed transfer and be liquefied.
Heat utilization unit includes the second heat exchange plate 3 of the metal material placed vertically, which includes Working medium entrances 31 arranged at the bottom, the sender property outlet 32 that top is set and it is arranged in working medium entrances 31 and sender property outlet Heat supply working medium runner 36, gas collecting tube 33 and liquid-phase reflux pipe 34 between 32.Heat supply working medium runner 36 is S-shaped bending stream Road, 36 entrance of heat supply working medium runner connect working medium entrances 31, and gas collecting tube 33 and heat supply working medium runner 36 pass through third return flow line 37 connections, liquid-phase reflux pipe 34 and heat supply working medium runner 36 are connected to by the 4th return flow line 35.Third return flow line 37 is to incline The position of the tie point of oblique line flowing channel, third return flow line 37 and gas collecting tube 33 is higher than third return flow line 37 and for thermal technology The position of the tie point in mass flow road 36.4th return flow line 35 is inclined line flowing channel, and the 4th return flow line 35 is returned with liquid phase Position of the position of the tie point of flow tube 34 lower than the 4th return flow line 35 and the tie point of heat supply working medium runner 36.
The liquid refrigerant come out through the second heat exchange plate enters heat supply working medium runner 36 through working medium entrances 31.In heat supply working medium Most of working medium becomes gaseous working medium after absorbing heat in runner 36.Gaseous working medium is since gravity is through acclivitous Three return flow lines 37, which enter in gas collecting tube 33, to be collected.The working medium for remaining as liquid flows in curved heat supply working medium runner 36 Dynamic, the 4th return flow line 35 through tilting down, which enters at the return working medium entrances 21 of liquid-phase reflux pipe 34, is again introduced into heat supply working medium Runner 36, so as to absorb heat again and become gaseous working medium.
Such as the side view that Fig. 8 is heat displacement apparatus 1.Heat recovery unit includes the first of the metal material placed vertically Heat exchange plate 2, heat utilization unit include the second heat exchange plate 3 of the metal material placed vertically.Heat recovery unit can wrap Multiple first heat exchange plates 2 are included, heat utilization unit also may include multiple second heat exchange plates 3.First heat exchange plate 2 and second The quantity of heat exchange plate is identical, and compartment of terrain overlaps.The working medium entrances of first heat exchange plate 2 connect heat recovery list The entrance of member, the outlet of the sender property outlet connection heat recovery unit of the first heat exchange plate 2.The working medium of second heat exchange plate 3 enters The entrance of mouth connection heat utilization unit, the sender property outlet 32 of the second heat exchange plate 3 connect the outlet of heat utilization unit.Third The outlet (i.e. the sender property outlet 22 of the first heat exchange plate) of the entrance connection heat recovery unit of throttling element 4, third throttling element 4 Outlet connection heat utilization unit entrance (i.e. the working medium entrances 31 of the second heat exchange plate).First heat exchange plate 2 and the second heat exchange Plate 3 fits closely, absorb heat working fluid channel 26 in working medium flow from top to bottom, the working medium in heat supply working medium runner 36 from it is lower toward Upper flowing, the working medium in two working fluid channels form convection current, mutual heat are promoted to exchange.
Working medium through condenser outflow is gas-liquid mixed state, and third throttling element 4 can be by adjusting by heat displacement apparatus The flow of the outlet working medium that flows to heat utilization unit realize to the work adjusted in heat recovery unit and heat utilization unit The adjusting of matter density.The working medium density in heat recovery unit is adjusted by third throttling element 4 to be greater than in heat utilization unit Working medium density, so that there is mutually isostructural first heat exchange plate 2 and the second heat exchange plate 3, working medium in the first heat exchange plate 2 Total enthalpy is greater than the total enthalpy of the working medium in the second heat exchanger plates 3.The first heat exchange plate 2 and the second heat exchange plate 3 of metal material It closely overlaps, since the total enthalpy of the two is different, them is caused to carry out hot transmitting between each other.In the second heat exchanger plates Gas-liquid mixed state working medium in piece 3 absorbs the working medium heat of the gas-liquid mixed state in the first heat exchange plate 2, the second heat exchange plate 3 It is gaseous state that interior working medium, which absorbs heat of vaporization, and the working medium release heat in the first heat exchange plate 2 is liquefied, and temperature is further It reduces.
Heat displacement apparatus in above-mentioned all embodiments can also be using the concatenated multistage string of multiple heat recovery units Join heat displacement apparatus or using the plural parallel stage heat exchange system of multiple heat recovery unit parallel connections or using more The multistage heat mixed connection exchange system of a heat recovery unit mixed connection.
Such as Figure 11, plural serial stage heat displacement apparatus include two heat displacement subsystems (in the present embodiment, point referred to as the One heat displacement subsystem and the second heat displacement subsystem).Heat displacement subsystem includes: heat recovery unit 2, heat benefit With unit 3 and third throttling element.The entrance of the heat recovery unit of first heat displacement subsystem is connected to plural serial stage heat The entrance of displacement apparatus, the outlet of the heat recovery unit of the first heat displacement subsystem are connected to the second heat displacement subsystem Heat recovery unit entrance, the outlet of the heat recovery unit of the second heat displacement subsystem is connected to plural serial stage heat The first outlet of displacement apparatus.Three tunnels of the working medium of the first outlet of plural serial stage heat displacement apparatus point: it is connected to heat exchange all the way The first throttle part entrance of system, another way return to the third throttling element of the second heat displacement subsystem entrance, it is last all the way Return to the entrance of the third throttling element of the first heat displacement subsystem, the outlet of the third throttling element of the second heat displacement subsystem It is connected to the entrance of the heat utilization unit of the second heat displacement subsystem, the third throttling element of the first heat displacement subsystem Outlet is connected to the entrance of the heat utilization unit of the first heat displacement subsystem, the heat utilization of the first heat displacement subsystem The outlet of unit and the heat utilization unit of the second heat displacement subsystem are connected to the of plural serial stage heat displacement apparatus Two outlets.
Second throttling element established between first throttle part and condenser one evaporating area and condensing zone are kept apart it is more Grade series connection heat displacement zone.The condensing zone that working medium carries out isothermal transformation is located at before the second throttling element, sets in plural serial stage heat The heat recovery unit changed in area is to the absorption of working medium heat and does not interfere with the condensation pressure difference of condenser, therefore can be most The waste heat of condensation of the recycling working medium of limits, so that the Temperature of Working into evaporator substantially reduces.Working medium is avoided to carry excessive Condensation heat enters the evaporation scene that evaporator destroys evaporator;The heat utilization device of plural serial stage heat displacement zone utilizes heat Working medium is evaporated to gaseous state by the waste heat of condensation that recyclable device extracts, and improves the efficiency of system.Two heat displacement subsystems Heat recovery unit is series between the entrance and first outlet of multistage heat displacement apparatus, heat recovery unit and heat utilization Heat displacement between unit is more thorough, and the multistage of depth can be carried out to working medium condensation heat and is recycled, substantially reduce into Enter the temperature to the working medium of evaporator.
The outlet (i.e. the sender property outlet 22 of the first heat exchange plate) of the entrance connection heat recovery unit of third throttling element 4, The outlet of third throttling element 4 connects heat utilization unit entrance (i.e. the working medium entrances 31 of the second heat exchange plate).Go out through condenser The high temperature and pressure working medium come can successively enter the first heat displacement subsystem before non-total condensation in the form of gas-liquid two-phase state The heat recovery unit of the heat recovery unit of system and the second heat displacement subsystem.The third throttling element of heat displacement subsystem Heat utilization unit is flowed to by the first outlet of plural serial stage heat displacement apparatus in the adjustable heat displacement subsystem The flow of working medium realizes the adjusting to the working medium density in heat recovery unit and heat utilization unit.Heat displacement subsystem The working medium density that the working medium density in heat recovery unit is greater than in heat utilization unit is adjusted by third throttling element, so that the The total enthalpy of working medium is greater than the total enthalpy of the working medium in the second heat exchanger plates 3 in one heat exchange plate 2.First heat exchanger plates of metal material Piece 2 and the second heat exchange plate 3 closely overlap, and since the total enthalpy of the two is different, them are caused to carry out between each other Heat transmitting.The working medium of the gas-liquid mixed state in the first heat exchange plate 2 is absorbed in the gas-liquid mixed state working medium in the second heat exchange plate 3 Heat, it is gaseous state that the working medium in the second heat exchange plate 3, which absorbs heat of vaporization, and the working medium in the first heat exchange plate 2 discharges heat quilt Liquefaction, and temperature further decreases.The working medium of gas-liquid two-phase state passes through the heat recovery unit of the first heat displacement subsystem, It is transferred by the working medium heat of the outlet outflow of heat recovery unit, wherein most working medium becomes the lower liquid work of temperature Matter;Further into the heat recovery unit of the second heat displacement subsystem, more heats of working medium are transferred, and temperature is into one Step reduces.Part working medium is replaced by the outlet outflow at most grade series connection heat of the heat recovery unit of the second heat displacement subsystem The first outlet of device is transported to the first throttle part of heating system.Remaining part working medium is sent respectively to the first heat The heat utilization unit of subsystem and the heat utilization unit of the second heat displacement subsystem are replaced, absorb heat becomes gas later State working medium is sent through the second outlet of plural serial stage heat displacement apparatus to compressor air suction mouth.Pass through two concatenated heat displacements The working medium of first outlet outflow of the systems increase through plural serial stage heat displacement apparatus with through plural serial stage heat displacement apparatus The working medium that flows into of entrance between temperature difference so that heating system is more applicable for severe extreme low temperature heating environment.The The total enthalpy value difference of working medium is replaced greater than the second heat in the first heat exchange plate and the second heat exchange plate of one heat displacement subsystem The degree of the total enthalpy value difference of working medium in the first heat exchange plate and the second heat exchange plate of subsystem, heat displacement is higher.On the one hand Heat displacement quickly can carried out to working medium at the first time;On the other hand, by adjusting branching to heat substitution lines at different levels The amount of working medium in the heat utilization unit of system, the adjustable second outlet through plural serial stage heat displacement apparatus flow out working medium The accounting of middle gaseous working medium meets different demands of the heating system in different use environments.
Such as Figure 12, plural parallel stage heat displacement apparatus includes two heat displacement subsystems.Heat displacement subsystem includes: Heat recovery unit 2, heat utilization unit 3 and third throttling element.The entrance of the heat recovery unit of heat displacement subsystem connects It is connected to the entrance of heat displacement subsystem, the outlet of heat recovery unit is connected to the first outlet of heat displacement subsystem.Heat The working medium of the first outlet outflow of amount displacement subsystem divides two-way: being connected to the first throttle part entrance of heat-exchange system all the way, separately The entrance of the third throttling element of heat displacement subsystem is returned to all the way, and the outlet of third throttling element is connected to heat utilization unit Entrance, the outlet of heat utilization unit are connected to the second outlet of heat displacement subsystem.
Second throttling element establishes the heat for keeping apart evaporating area and condensing zone between first throttle part and condenser Measure displacement zone.The condensing zone that working medium carries out isothermal transformation is located at before the second throttling element, the heat recovery in heat displacement zone Unit is to the absorption of working medium heat and does not interfere with the condensation pressure difference of condenser, therefore can recycle working medium to greatest extent Waste heat of condensation so that the Temperature of Working into evaporator substantially reduces.It avoids working medium from carrying excessive condensation heat and enters evaporator Destroy the evaporation scene of evaporator;The heat utilization unit of heat displacement zone will using the waste heat of condensation that heat reclaim unit extracts Working medium is evaporated to gaseous state, improves the efficiency of system.The heat recovery unit of two heat displacement subsystems is parallel to Multi-stage heat Between the entrance and first outlet for measuring displacement apparatus, the heat displacement between heat recovery unit and heat utilization unit is more fast Speed can simultaneously be recycled working medium condensation heat, quickly be lowered into the temperature of the working medium of evaporator.
The outlet (i.e. the sender property outlet 22 of the first heat exchange plate) of the entrance connection heat recovery unit of third throttling element 4, The outlet of third throttling element 4 connects heat utilization unit entrance (i.e. the working medium entrances 31 of the second heat exchange plate).Go out through condenser The high temperature and pressure working medium come can enter simultaneously two heat displacement subsystems before non-total condensation in the form of gas-liquid two-phase state The heat recovery unit of system.By plural parallel stage in the adjustable heat displacement subsystem of the third throttling element of heat exchange system The first outlet of heat displacement apparatus flows to the flow of the working medium of heat utilization unit, realizes to heat recovery unit and heat benefit With the adjusting of the working medium density in unit.The working medium density in heat recovery unit, which is adjusted, by third throttling element is greater than heat benefit With the working medium density in unit, so that the total enthalpy of working medium is greater than the total of the working medium in the second heat exchanger plates 3 in the first heat exchange plate 2 Enthalpy.The first heat exchange plate 2 and the second heat exchange plate 3 of metal material closely overlap, due to the total enthalpy of the two Difference causes them to carry out hot transmitting between each other.Gas-liquid mixed state working medium in the second heat exchange plate 3 absorbs the first heat exchange The working medium heat of gas-liquid mixed state in plate 2, it is gaseous state that the working medium in the second heat exchange plate 3, which absorbs heat of vaporization, and first changes Working medium release heat in hot plate piece 2 is liquefied, and temperature further decreases.The working medium of gas-liquid two-phase state is replaced by heat The heat recovery unit of subsystem is transferred, wherein most working medium by the working medium heat of the outlet outflow of heat recovery unit Become the lower liquid refrigerant of temperature and flow out to isolation outlet low in calories, is transported to the first throttle part of heating system.It is surplus Remaining part working medium is sent back to the heat utilization unit of heat exchange system, and absorbing heat becomes gaseous working medium through high fever later It send to compressor air suction mouth amount isolation outlet.It is realized by the heat exchange system of two-stage parallel connection in a short time to a large amount of working medium Heat exchange, plural parallel stage isolated area is improved to the heat exchange coefficient of working medium, so that heating system is more applicable for needing Want fast-refrigerating/heating occasion.The heat recovery unit of two-stage heat displacement subsystem and heat utilization units alternately it is tight Close overlapping in the shell, can increase the area of heat exchange, improve the heat exchange capacity of heat exchange system.Tune can be passed through The amount of working medium in the whole heat utilization unit for branching to heat displacement subsystems at different levels controls two heat displacement subsystems respectively The working condition of system.Group one of heat displacement subsystem of exclusive use can even be selected or open two heats simultaneously and set It changes subsystem to work, to meet system in different heatings/refrigerating speed demand.Even if one of heat displacement subsystem System breaks down, it is also ensured that another heat displacement subsystem will not be affected by it autonomous working, to improve entire system The stability of hot systems.
Such as Figure 13, multistage mixed connection heat displacement apparatus include the first heat displacement subsystem, the second heat displacement subsystem, And third heat displacement subsystem.First heat displacement subsystem it is in parallel with the second heat displacement subsystem after again with third Heat displacement subsystem entire multistage mixed connection heat displacement apparatus in series.Heat displacement subsystem includes: heat recovery list Member 2, heat utilization unit 3 and third throttling element.The heat of first heat displacement subsystem and the second heat displacement subsystem returns The entrance for receiving unit is connected to the entrance of multistage mixed connection heat displacement apparatus, the first heat displacement subsystem and the displacement of the second heat The outlet of the heat recovery unit of subsystem is connected to the entrance of the heat recovery unit of third heat displacement subsystem.Third heat The outlet of the heat recovery unit of amount displacement subsystem is connected to the first outlet of multistage mixed connection heat displacement apparatus.Multistage mixed connection Four tunnels of the working medium of the first outlet of heat displacement apparatus point: it is connected to the first throttle part entrance of heat-exchange system, residue three all the way Road returns to the third of the first heat displacement subsystem, the second heat displacement subsystem and third heat displacement subsystem respectively The entrance of throttling element.The outlet of the third throttling element of first heat displacement subsystem is connected to the heat of third heat displacement subsystem Amount utilizes the entrance of unit, and the outlet of the third throttling element of the second heat displacement subsystem is connected to the second heat displacement subsystem Heat utilization unit entrance, the outlet of the third throttling element of third heat displacement subsystem connects third heat displacement subsystem The entrance of the third throttling element of system.First heat displacement subsystem, the second heat displacement subsystem and third heat displacement The heat utilization unit of system is connected to the second outlet of multistage mixed connection heat displacement apparatus.
Second throttling element established between first throttle part and condenser one evaporating area and condensing zone are kept apart it is more Grade mixed connection heat displacement zone.The condensing zone that working medium carries out isothermal transformation is located at before the second throttling element, sets in multistage mixed connection heat The heat recovery unit changed in area is to the absorption of working medium heat and does not interfere with the condensation pressure difference of condenser, therefore can be most The waste heat of condensation of the recycling working medium of limits, so that the Temperature of Working into evaporator substantially reduces.Working medium is avoided to carry excessive Condensation heat enters the evaporation scene that evaporator destroys evaporator;The heat utilization device of multistage mixed connection heat displacement zone utilizes heat Working medium is evaporated to gaseous state by the waste heat of condensation that recyclable device extracts, and improves the efficiency of system.Three heat displacement subsystems Heat recovery unit mixed connection is between the entrance and first outlet of multistage mixed connection heat displacement apparatus, heat recovery unit and heat It is more rapidly and thorough using the heat displacement between unit, the multistage recycling benefit of depth can be quickly carried out to working medium condensation heat With substantially reducing the temperature for entering the working medium of evaporator in a short time.
The outlet (i.e. the sender property outlet 22 of the first heat exchange plate) of the entrance connection heat recovery unit of third throttling element 4, The outlet of third throttling element 4 connects heat utilization unit entrance (i.e. the working medium entrances 31 of the second heat exchange plate).Go out through condenser The high temperature and pressure working medium come can enter simultaneously the first heat displacement subsystem before non-total condensation in the form of gas-liquid two-phase state The heat recovery unit of the heat recovery unit of system and the second heat displacement subsystem then enters back into third heat displacement subsystem The heat recovery unit of system.The adjustable first outlet by multistage mixed connection heat displacement apparatus of third throttling element flows to its heat The flow for replacing the working medium of the heat utilization unit of subsystem is realized to heat recovery unit and heat in heat displacement subsystem Utilize the adjusting of the working medium density in unit.The working medium density in heat recovery unit, which is adjusted, by third throttling element is greater than heat Using the working medium density in unit, so that the total enthalpy of working medium is greater than the working medium in the second heat exchanger plates 3 in the first heat exchange plate 2 Total enthalpy.The first heat exchange plate 2 and the second heat exchange plate 3 of metal material closely overlap, due to the total enthalpy of the two Value is different, them is caused to carry out hot transmitting between each other.Gas-liquid mixed state working medium in the second heat exchange plate 3 absorbs first and changes The working medium heat of gas-liquid mixed state in hot plate piece 2, it is gaseous state that the working medium in the second heat exchange plate 3, which absorbs heat of vaporization, first Working medium release heat in heat exchange plate 2 is liquefied, and temperature further decreases.The working medium of gas-liquid two-phase state is by the first heat The heat recovery unit of amount displacement subsystem and the second heat displacement subsystem, by the working medium of the outlet outflow of heat recovery unit Heat is transferred, and wherein most working medium becomes the lower liquid refrigerant of temperature;Son is replaced further into third heat More heats of the heat recovery unit of system, working medium are transferred, and temperature further decreases.The multistage mixed connection heat displacement dress in part The working medium for the first outlet outflow set is transported to the first throttle part of heating system;Remaining part working medium is sent respectively to The heat utilization unit of one heat displacement subsystem, the second heat displacement subsystem and third heat displacement subsystem absorbs Become gaseous working medium after heat to send through the second outlet of multistage mixed connection heat displacement apparatus to compressor air suction mouth.
It is realized by the heat displacement subsystem of two-stage parallel connection and the heat of a large amount of working medium is exchanged first in a short time, mentioned High heat exchange coefficient of the multistage mixed connection isolated area to working medium, so that heating system is more applicable for severe extreme low temperature system Quick heating needs in thermal environment.Two heat displacement subsystems after parallel connection are connected with third heat exchange system, are mentioned The working medium of the high first outlet outflow through multistage mixed connection heat displacement apparatus and the entrance through multistage mixed connection heat displacement apparatus Temperature difference between the working medium of inflow, so that heating system is more applicable for severe extreme low temperature heating environment.Third heat Replace working medium in the first heat exchange plate and the second heat exchange plate in subsystem total enthalpy value difference be greater than the first heat exchange system and In second heat exchange system in the first heat exchange plate and the second heat exchange plate working medium total enthalpy value difference, the degree of heat displacement compared with It is high.On the one hand heat displacement quickly can carried out to working medium at the first time;On the other hand, by adjusting branching to each heat The amount of the working medium in the heat utilization unit of subsystem is replaced, it is adjustable that gaseous state work in outlet outflow working medium is isolated through high heat The accounting of matter meets different demands of the heating system in different use environments.For two heat displacement subsystems in parallel System, it might even be possible to which selection is only used alone one of heat displacement subsystem or opens two heat displacement subsystems simultaneously It works, to meet different demands of the heating system in different use environments.Even if one of heat displacement subsystem System breaks down, it is also ensured that another heat displacement subsystem will not be affected by it autonomous working, to improve entire system The stability of hot systems.
Heat-exchange system in above-mentioned all embodiments can be used for freezing, and evaporator is placed on needs when for freezing Among the closed environments such as the room of heating, condenser is placed on except the closed environment.Closed environment shape where evaporator At evaporating area, the environment where condenser forms condensing zone.During working medium flows in working fluid channel, by the ring of evaporating area Border heat absorption, and be discharged into condensing zone, it absorbs heat for closed refrigerating environment, reduces the temperature in room, reach refrigeration effect Fruit.
Technical solution of the present invention changes the construction lattice in the big region of traditional Kano formula cycle applications system two, four big components Office, is arranged heat displacement zone by the second throttling element and heat displacement apparatus between the condensing zone and the evaporating area.Section Waste heat of condensation can be used for heat displacement by the Forward of stream part, avoided the waste of waste heat of condensation, improved effective quantity of heat production of system. Working medium is divided into two parts inside heat displacement apparatus, extraction can not recycle low in traditional Kano formula cycle applications system The waste heat of condensation of quality, so that the Temperature of Working ratio that heat displacement apparatus enters evaporator is left in the outlet through heat recovery unit The Temperature of Working for being directly entered evaporator by condensator outlet is lower.It ensure that condensation, evaporating field in entire cooling/heating system Scape it is complete, reduce the loss of condenser heat and evaporation heat that working medium is entered by condensing zone during evaporating area.By to heat The reasonably optimizing of displacement apparatus is measured, ideal efficiency is substantially equal to for the efficiency of Carnot cycle machine and has opened up out a direction.To The technical bottleneck for breaching cooling/heating system substantially increases the Energy Efficiency Ratio of cooling/heating system.Through national architectural engineering Quality Supervision and Inspection Center examines, and the heating capacity of heat-exchange system of the invention and the ratio of heating consumption power can achieve 6.61 It is even higher.
Although the embodiments of the invention are described in conjunction with the attached drawings, but those of ordinary skill in the art can be in appended power Benefit makes various deformations or amendments in the range of requiring.

Claims (6)

1. a kind of heat-exchange system, the heat-exchange system is heating system, including connected by working fluid channel evaporator, compression Machine, condenser and first throttle part;The outlet of the evaporator connects the entrance of the compressor, and the compressor goes out Mouth connects the entrance of the condenser, and the outlet of the condenser connects the entrance of the first throttle part, the first throttle The outlet of part connects the entrance of the evaporator;It is characterized by: the condensator outlet and the first throttle part entrance it Between be equipped with heat displacement zone;The heat displacement zone includes the second throttling element and heat displacement apparatus;Second throttling element Entrance connect the outlet of the condenser, the outlet of second throttling element connects the entrance of the heat displacement apparatus, institute The first outlet for stating heat displacement apparatus connects the entrance of the first throttle part;The heat displacement apparatus includes heat recovery Unit, heat utilization unit, the entrance of the heat recovery unit connect the entrance of the heat displacement apparatus, and the heat returns The outlet for receiving unit connects the first outlet of the heat displacement apparatus;
The heat recovery unit includes the first heat exchange plate placed vertically, and first heat exchange plate includes being arranged at top Working medium entrances, sender property outlet arranged at the bottom, the heat absorption working fluid channel being arranged between working medium entrances and sender property outlet, collection Liquid pipe and gas phase return pipe;The heat absorption working fluid channel is S-shaped curved channel, and the heat absorption working fluid channel entrance connects institute State working medium entrances, the collector tube is connected to the heat absorption working fluid channel by the first return flow line, the gas phase return pipe and The heat absorption working fluid channel is connected to by the second return flow line;First return flow line is inclined line flowing channel, and described first changes The position of the tie point of the first return flow line and collector tube of hot plate is lower than the first return flow line of first heat exchanger plates With the position of the tie point of heat absorption working fluid channel;Second return flow line is inclined line flowing channel, first heat exchanger plates The second return flow line and gas phase return pipe tie point position be higher than first heat exchanger plates the second return flow line and inhale The position of the tie point of hot working fluid runner;
Heat utilization unit includes the second heat exchange plate placed vertically, and second heat exchange plate includes work arranged at the bottom Matter entrance, the sender property outlet that top is set and the heat supply working medium runner being arranged between working medium entrances and sender property outlet, collection Tracheae and liquid-phase reflux pipe;The heat supply working medium runner is S-shaped curved channel, and the heat supply working medium flow channel entry point connects institute Working medium entrances are stated, the gas collecting tube is connected to the heat supply working medium runner by the first return flow line of the second heat exchanger plates, described Liquid-phase reflux pipe is connected to the heat supply working medium runner by the second return flow line of the second heat exchanger plates;First return flow line Position for inclined line flowing channel, the tie point of the first return flow line and gas collecting tube of second heat exchanger plates is higher than institute State the position of the first return flow line of the second heat exchanger plates and the tie point of the heat supply working medium runner;Second return flow line is Inclined line flowing channel, the second return flow line of second heat exchanger plates and the position of the tie point of the liquid-phase reflux pipe are lower than The position of the tie point of second return flow line of second heat exchanger plates and the heat supply working medium runner.
2. a kind of heat-exchange system according to claim 1, it is characterised in that: the heat displacement apparatus includes third throttling Part, the entrance of the third throttling element connect the first outlet of the heat displacement apparatus, and the outlet of the third throttling element connects The entrance of the heat utilization unit is connect, the outlet of the heat utilization unit connects the second of the heat displacement apparatus and goes out Mouthful.
3. a kind of heat-exchange system according to claim 2, it is characterised in that: the second outlet of the heat displacement apparatus connects It is connected to the entrance of the compressor.
4. a kind of heat-exchange system according to claim 2, it is characterised in that: the second outlet of the heat displacement apparatus connects It is connected to the entrance of the evaporator.
5. a kind of heat-exchange system according to claim 2, it is characterised in that: the second outlet of the heat displacement apparatus connects It is connected to the entrance of the compressor, the second outlet of the heat displacement apparatus is connected to the entrance of the evaporator.
6. a kind of heat-exchange system according to claim 1, it is characterised in that: the heat recovery unit includes being equipped with working medium First heat exchange plate of runner, the heat utilization unit include the second heat exchange plate equipped with working fluid channel, and the heat returns The entrance for receiving unit is connected to the outlet of the heat recovery unit by the working fluid channel of first heat exchange plate, the heat Amount is connected to the outlet of the heat utilization unit by the working fluid channel of second heat exchange plate using the entrance of unit;Institute It states the first heat exchange plate and second heat exchange plate compartment of terrain fits closely.
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CN101268312A (en) * 2005-09-22 2008-09-17 大金工业株式会社 Air conditioner
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