CN105928267B - A kind of plural parallel stage displacement heat-exchange system - Google Patents
A kind of plural parallel stage displacement heat-exchange system Download PDFInfo
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- CN105928267B CN105928267B CN201610381099.3A CN201610381099A CN105928267B CN 105928267 B CN105928267 B CN 105928267B CN 201610381099 A CN201610381099 A CN 201610381099A CN 105928267 B CN105928267 B CN 105928267B
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 106
- 238000011084 recovery Methods 0.000 claims description 42
- 238000010521 absorption reaction Methods 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 18
- 239000012071 phase Substances 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 239000007791 liquid phase Substances 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 abstract description 32
- 238000009833 condensation Methods 0.000 abstract description 24
- 230000005494 condensation Effects 0.000 abstract description 24
- 239000010838 isolation waste Substances 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 38
- 239000002918 waste heat Substances 0.000 description 15
- 238000005057 refrigeration Methods 0.000 description 11
- 239000007789 gas Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000008020 evaporation Effects 0.000 description 7
- 239000007769 metal material Substances 0.000 description 6
- 238000000605 extraction Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- OOYGSFOGFJDDHP-KMCOLRRFSA-N kanamycin A sulfate Chemical group OS(O)(=O)=O.O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CN)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O[C@@H]2[C@@H]([C@@H](N)[C@H](O)[C@@H](CO)O2)O)[C@H](N)C[C@@H]1N OOYGSFOGFJDDHP-KMCOLRRFSA-N 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention relates to technical field of heat exchange more particularly to a kind of plural parallel stage to replace heat-exchange system.Include evaporator, compressor, condenser and the first throttle part connected by working medium runner；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 in that：Plural parallel stage heat displacement zone is equipped between the condensator outlet and the first throttle part entrance.The plural parallel stage 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, influence of the isolation waste heat of condensation to evaporating area so that system energy efficiency greatly promotes.
Description
Technical field
The present invention relates to technical field of heat exchange more particularly to a kind of plural parallel stage to replace heat-exchange system.
Background technology
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.Cycle of the working medium in system
Continuous heat absorption, heat release in the process, realize system heating/refrigeration.
Condenser is installed in the environment for needing to heat, working medium is in evaporator by heating/refrigeration system when for heating
The middle heat absorbed in evaporator local environment, and be delivered in condenser through working medium runner and discharge heat, to improve condenser
The temperature of local environment, reaches heating effect.Evaporator is installed on when for freezing and needs to freeze by heating/refrigeration system
Environment in, working medium absorbs the heat in evaporator local environment to reduce the temperature of evaporator local environment in evaporator,
And be delivered in condenser through working medium runner and the heat being absorbed into is discharged into the environment residing for condenser, reach refrigeration effect
Fruit.
Such as Fig. 2, the application scenarios of traditional air conditioner and heat pump refrigerating/heating system are divided for two regions：It is throttling
Condensing zone before part, and the evaporating area after throttling element.The condensed device of high temperature and pressure working medium enters between evaporator
There are two links：Link one, the high temperature and pressure working medium flowed out by condenser first pass around working medium pipeline and reach throttling element；Link
Two, reach evaporator 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 be entered with a part of waste heat of condensation in evaporator.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 between working medium and external environment in evaporator, 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 are unable to reach optimal.
In order to improve the usage comfort of user, we more want to can be by environment temperature tune in the time short as possible
The target temperature that section extremely needs.It can be improved by increasing the refrigerating/heating working medium amount recycled in heating/refrigeration system primary
The amount of heat carrier in refrigerating/heating cyclic process easily leads to compressor to improve the refrigerating/heating efficiency of system
Overload operation.
Invention content
The present invention provides a kind of plural parallel stage displacement heat-exchange system to solve above-mentioned technical problem.
Technical scheme is as follows：
A kind of plural parallel stage replaces heat-exchange system, include the evaporator connected by working medium runner, compressor, condenser,
And first throttle part；The outlet of the evaporator connects the entrance of the compressor, described in the outlet connection of the compressor
The entrance of condenser, the outlet of the condenser connect the entrance of the first throttle part, and the outlet of the first throttle part connects
Connect the entrance of the evaporator；It is characterized in that：Multistage is equipped between the condensator outlet and the first throttle part entrance
Heat displacement zone in parallel.The plural parallel stage heat displacement zone established between the condenser and the first throttle part will be traditional
Condensing zone and evaporating area keep apart, promoting condensation simultaneously, influence of the isolation waste heat of condensation to evaporating area so that system energy efficiency
It greatly promotes.
Preferably, plural parallel stage heat displacement zone includes the second throttling element and plural parallel stage heat displacement dress
It sets；The entrance of second throttling element connects the outlet of the condenser, and the outlet of second throttling element connects the multistage
The first outlet of the entrance of heat displacement apparatus in parallel, the plural parallel stage heat displacement apparatus connects the first throttle part
Entrance.It is the condensing zone of working medium isothermal transformation before second throttling element, is evaporating area after the first throttle part.It is described
Throttling element during second throttling element recycles traditional Kano formula moves forward, and shortens condensator outlet the distance between to throttling element,
The plural parallel stage heat displacement apparatus being arranged between the second throttling element and evaporator recycles originally in aforementioned link one kind
The partial condensation waste heat that can be discharged into environment avoids waste heat of condensation and can be discharged into environment and causes to waste, and to enter and steam
The Temperature of Working for sending out device can be lower, the destruction that waste heat of condensation evaporates evaporator scene is avoided, by condensing zone and evaporating area
Keep apart, avoids the mutual infection of condensing zone and evaporating area.
Preferably, the plural parallel stage heat displacement apparatus, which includes at least two heats, replaces subsystem；The heat
It includes heat recovery unit, Btu utilization unit to replace subsystem；The heat recovery unit is connected in parallel on the plural parallel stage heat
Between the entrance and the first outlet of the plural parallel stage heat displacement apparatus of measuring displacement apparatus.The heat recovery unit is in parallel
Between the entrance and first outlet of the plural parallel stage heat displacement apparatus, can recycling profit be carried out to working medium condensation heat simultaneously
With reduction in a short time largely enters the temperature of the working medium of evaporator.
Preferably, the heat displacement subsystem further includes third throttling element, the entrance connection of the third throttling element
The outlet of the first outlet of the plural parallel stage heat displacement apparatus, the third throttling element connects the Btu utilization unit
Entrance, the outlet of the Btu utilization unit connect the second outlet of the plural parallel stage heat displacement apparatus.
Preferably, the second outlet of the plural parallel stage heat displacement apparatus connects the entrance of the compressor.
Preferably, the second outlet of the plural parallel stage heat displacement apparatus connects the entrance of the evaporator.
Preferably, the second outlet of the plural parallel stage heat displacement apparatus connects the entrance of the compressor, it is described
The second outlet of plural parallel stage heat third throttling element connects the entrance of the evaporator.
Preferably, the heat recovery unit includes the first heat exchange plate equipped with working medium runner, the Btu utilization
Unit includes the second heat exchange plate equipped with working medium runner, the entrance of the heat recovery unit and the heat recovery unit
Outlet is connected to by the working medium runner of first heat exchange plate, the entrance of the Btu utilization unit and the Btu utilization list
The outlet of member is connected to by the working medium runner 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 scheme of the present invention changes traditional two big region of Kano formula cycle applications system, four big components
Plural parallel stage heat displacement zone is arranged in tectonic framework between the condensing zone and the evaporating area, is flowed out through the condenser
Working medium enter back into the evaporator by plural parallel stage heat displacement zone.So that entire heat-exchange system is with following beneficial
Effect：
1. second throttling element moves forward the throttling element of evaporator front end in traditional air conditioner heat pump refrigerating/heating system,
Script waste is discharged into the condensing units in external environment to utilize, working medium is carried out for plural parallel stage heat displacement apparatus
Evaporation, improves the efficiency of system.
2. the heat recovery unit extraction in the plural parallel stage heat displacement apparatus flows out working medium through the condenser
Heat, the waste heat of condensation for avoiding working medium carrying destroy the evaporation scene of evaporator.
3. heat recovery unit is extracted more than the condensation of condensed device outflow working medium in the plural parallel stage heat displacement apparatus
Heat so that the Temperature of Working for flowing out to evaporator end through the heat displacement apparatus substantially reduces, and increases working medium in evaporator
With the temperature difference between evaporator external environment, the heat absorption capacity of system is increased, improves the efficiency of system.
4. Btu utilization unit utilizes the cold of heat recovery unit extraction in the plural parallel stage heat displacement apparatus
Solidifying waste heat heats working medium so that part working medium is evaporated to gaseous state.By this part, gaseous working medium is exported to suction port of compressor,
The pressure of inspiration(Pi) that compressor can be improved, to improve the efficiency of compressor.
5. exporting the gaseous working medium that the evaporation of Btu utilization unit obtains in the plural parallel stage heat displacement apparatus to pressure
Contracting machine entrance, can also reduce the pressure difference of compressor, extend the service life of compressor.
6. Btu utilization unit utilizes the cold of heat recovery unit extraction in the plural parallel stage heat displacement apparatus
Solidifying waste heat heats working medium so that part working medium is evaporated to gaseous state.By this part, gaseous working medium is exported into heat-exchange system
Evaporator（Such as, different poly- state heat collector panel）, the accounting that evaporator enters gaseous working medium in the working medium of evaporator can be improved so that
Working medium is more evenly distributed in the evaporator of passive heat absorbing type, avoids forming liquid heap in evaporator, improves the evaporation of evaporator
Efficiency.
7. heat-exchange system is simple in structure, plural parallel stage heat displacement apparatus and the second throttling element need to be only added to cold
It can complete, for the transformation of traditional air-conditioning heat pump cooling/heating system, entirely to upgrade between condenser and first throttle part
Journey is not related to the change of original system modular construction.
8. the heat recovery unit of more than the heat displacement subsystem is parallel to the multistage heat displacement apparatus
Entrance and first outlet between, can simultaneously working medium condensation heat is recycled, in a short time reduce largely enter
To the temperature of the working medium of evaporator.
9. being more applicable for needing the occasion of fast-refrigerating or heating, institute can be selected according to the demand of application environment
It states heat and sets the quantity that son changes system, circumstance of temperature difference is bigger, and the more heat displacement subsystem of use is in parallel；Circumstance of temperature difference is smaller
When, it can be in parallel only with small number of heat exchange system.
It, can be with 10. working medium is distributed to each heat displacement subsystem and carries out heat exchange by plural parallel stage heat displacement apparatus
The heat exchange area of working medium is improved, so that the heat exchanger effectiveness of entire parallel connection heat exchange system reaches a very high water
It is flat.
Description of the drawings
Fig. 1 is the system diagram of existing heating/refrigeration system.
Fig. 2 is existing heating/refrigeration system scene graph.
Fig. 3 is the heat-exchange system scene graph of the present invention.
One plural parallel stage of Fig. 4 embodiments replaces the system diagram of heat-exchange system.
Two plural parallel stage of Fig. 5 embodiments replaces the system diagram of heat-exchange system.
Three plural parallel stage of Fig. 6 embodiments replaces the system diagram of heat-exchange system.
Fig. 7 example IV plural parallel stages replace the system diagram of heat-exchange system.
Fig. 8 heats set subsystem side view.
Fig. 9 heats set subsystem structure schematic diagram one.
Figure 10 heats set subsystem structure schematic diagram two.
Specific implementation mode
Embodiments of the present invention are described in detail below in conjunction with attached drawing.
Embodiment one
If Fig. 4 is that a kind of plural parallel stage replaces heat-exchange system, include the compressor connected by working medium runner, condenser,
Evaporator, first throttle part, the second throttling element, plural parallel stage heat displacement apparatus.The outlet connection condenser of compressor enters
Mouthful, the entrance of the second throttling element of outlet connection of condenser, the outlet of the second throttling element connects plural parallel stage heat displacement apparatus
Entrance, the entrance of the first outlet connection first throttle part of plural parallel stage heat displacement apparatus, the outlet of first throttle part connects
Connect the entrance of evaporator, the entrance of the outlet connect compressor of evaporator.It is close that condenser is placed on to room for needing to heat etc.
Among closed loop border, evaporator is placed on except the closed environment.Closed environment where condenser forms condensing zone, evaporator
The environment at place forms evaporating area.During working medium flows in working medium runner, the amount of heat of evaporating area is absorbed, and is discharged
Into condensing zone, it is closed heating environment heat supply, improves the temperature in room, reach heating effect.
Plural parallel stage heat displacement apparatus includes that two heats replace subsystem.Heat replaces subsystem：Heat returns
Receive unit 2, Btu utilization unit 3 and third throttling element.The entrance of the heat recovery unit of heat displacement subsystem is connected to heat
The entrance of amount displacement subsystem, the outlet of heat recovery unit are connected to the first outlet of heat displacement subsystem.Heat is replaced
The working medium of the first outlet outflow of subsystem divides two-way：It is connected to the first throttle part entrance of heat-exchange system all the way, another way is returned
The entrance of the third throttling element of subsystem is replaced to heat, the outlet of third throttling element is connected to the entrance of Btu utilization unit,
The outlet of Btu utilization unit is 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 Btu utilization unit of heat displacement zone will using the waste heat of condensation of heat reclaim unit extraction
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 of measuring displacement apparatus, the heat displacement between heat recovery unit and Btu 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.
If Fig. 8 is that heat replaces subsystem side view.Heat recovery unit includes the first of the metal material placed vertically
Heat exchange plate 2, Btu 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, Btu 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 be arranged the working medium entrances 21 at top, sender property outlet arranged at the bottom 22,
And the working medium runner 23 being arranged between working medium entrances and sender property outlet.Second heat exchange plate 3 includes arranged at the bottom
Sender property outlet 32 and the working medium that is arranged between working medium entrances 31 and sender property outlet 32 at top is arranged in working medium entrances 31
Runner 33.Working medium flow direction in the working medium runner 23 of first heat exchange plate 2 and the work in the working medium runner 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 Btu utilization unit of second heat exchange plate 3, second
The sender property outlet 32 of heat exchange plate 3 connects the outlet of Btu utilization unit.
The outlet of the entrance connection heat recovery unit of third throttling element 4（That is the sender property outlet 22 of the first heat exchange plate）,
The outlet of third throttling element 4 connects Btu utilization unit entrance（That is the working medium entrances 31 of the second heat exchange plate）.Condensed device goes out
The high temperature and pressure working medium come can replace subsystem into two heats simultaneously before non-total condensation in the form of gas-liquid two-phase state
The heat recovery unit of system.The third throttling element of heat exchange system can be adjusted in heat displacement subsystem by plural parallel stage
The first outlet of heat displacement apparatus flows to the flow of the working medium of Btu utilization unit, realizes to heat recovery unit and heat profit
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 more than heat profit
With the working medium density in unit so that the total enthalpy of working medium is more 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 transmission 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 Btu utilization unit of heat exchange system, and absorb heat becomes gaseous working medium through high fever later
It send to compressor air suction mouth amount isolation outlet.It is realized in a short time to a large amount of working medium by the heat exchange system of two-stage parallel connection
Heat exchange, improve heat exchange coefficient of the plural parallel stage isolated area to working medium so that heating system be more applicable for need
Want the occasion of fast-refrigerating/heating.Two-stage heat is with replacing heat recovery unit and the Btu utilization units alternately of subsystem tight
Close overlapping in the shell, can increase the area of heat exchange, improve the heat exchange ability of heat exchange system.Tune can be passed through
The amount of working medium in the whole Btu utilization unit for branching to heat displacement subsystems at different levels, controls two heats and replaces subsystem respectively
The working condition of system.The one of heat displacement subsystem of group 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 replaces 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.
The gas-liquid mixed state working medium of the outlet outflow of condenser, enters plural parallel stage heat displacement zone along working medium runner.
In plural parallel stage heat displacement apparatus, heat recovery unit and Btu utilization unit quickly carry out heat displacement.Finally, through more
The first outlet of grade heat displacement apparatus in parallel flows out into the Temperature of Working of the entrance of first throttle part than by condenser
The Temperature of Working of outlet outflow is greatly lowered.To quickly reduce the heat for the working medium for entering evaporator by first throttle part
Amount, the Temperature of Working into evaporator is lower, adjusts evaporating pressure so that the heat absorption capacity higher of evaporator.
As the second outlet of Fig. 4 plural parallel stage heat displacement apparatus is connected to the entrance of compressor（Compressor is alternatively benefit
Enthalpy formula compressor, at this point, the second outlet of plural serial stage heat displacement apparatus can be connected to the tonifying Qi of the benefit enthalpy compressor
Mouthful）, through plural parallel stage heat displacement apparatus second outlet outflow the working medium stream containing more gaseous working mediums export to compression
Machine improves suction pressure of compressor, to improve the compression ratio of compressor.
Embodiment two
If Fig. 5 is that a kind of plural parallel stage replaces heat-exchange system, include the compressor connected by working medium runner, condenser,
Evaporator, first throttle part, the second throttling element, plural parallel stage heat displacement apparatus.Wherein, evaporator include common evaporator and
Heat collector panel（The different poly- state absorber plate of passive type heat absorption）.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 plural parallel stage heat displacement apparatus of the second throttling element, plural parallel stage heat
The entrance of the first outlet connection first throttle part of displacement apparatus is measured, the entrance of the outlet connection evaporator of first throttle part steams
Send out the entrance of the outlet connect compressor of device.Condenser is placed among the closed environments such as the room for needing to heat, will be evaporated
Device is placed on except the closed environment.Closed environment where condenser forms condensing zone, and the environment where evaporator, which is formed, to be steamed
Send out area.During working medium flows in working medium runner, the amount of heat of evaporating area is absorbed, and is discharged into condensing zone, is close
The heating environment heat supply closed improves the temperature in room, reaches heating effect.
Plural parallel stage heat displacement zone internal structure is identical as embodiment one, is repeated no more in the present embodiment.Equally, it condenses
The gas-liquid mixed state working medium of the outlet outflow of device, enters plural parallel stage heat displacement zone along working medium runner.In plural parallel stage heat
It measures in displacement apparatus, heat recovery unit and Btu utilization unit quickly carry out heat displacement.Finally, it is set through plural parallel stage heat
Changing device first outlet flows out into working medium of the Temperature of Working than the outlet outflow by condenser of the entrance of first throttle part
Temperature is ultralow.The heat for reducing the working medium for entering evaporator by first throttle part, the Temperature of Working into evaporator is lower,
Adjust evaporating pressure so that the heat absorption capacity higher of evaporator.
As Fig. 5 absorbs the working medium containing more gaseous working mediums that heat is evaporated through plural parallel stage in Btu utilization unit
The second outlet of heat displacement apparatus flows out.The second outlet of plural parallel stage heat displacement apparatus can be connected to entering for compressor
Mouthful, suction pressure of compressor is improved, to improve the compression ratio of compressor.
Embodiment three
If Fig. 5 is that a kind of plural parallel stage replaces heat-exchange system, include the compressor connected by working medium runner, condenser,
Evaporator, first throttle part, the second throttling element, plural parallel stage heat displacement apparatus.Wherein, evaporator include common evaporator and
Heat collector panel（The different poly- state absorber plate of passive type heat absorption）.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 plural serial stage heat displacement apparatus of the second throttling element, plural parallel stage heat
The entrance of the first outlet connection first throttle part of displacement apparatus is measured, the entrance of the outlet connection evaporator of first throttle part steams
Send out the entrance of the outlet connect compressor of device.Condenser is placed among the closed environments such as the room for needing to heat, will be evaporated
Device is placed on except the closed environment.Closed environment where condenser forms condensing zone, and the environment where evaporator, which is formed, to be steamed
Send out area.During working medium flows in working medium runner, the amount of heat of evaporating area is absorbed, and is discharged into condensing zone, is close
The heating environment heat supply closed improves the temperature in room, reaches heating effect.
Plural parallel stage heat displacement zone internal structure is identical as embodiment one, is repeated no more in the present embodiment.Equally, it condenses
The gas-liquid mixed state working medium of the outlet outflow of device, enters plural parallel stage heat displacement zone along working medium runner.In plural parallel stage heat
It measures in displacement apparatus, heat recovery unit and Btu utilization unit quickly carry out heat displacement.Finally, it is set through plural parallel stage heat
Changing device first outlet flows out into working medium of the Temperature of Working than the outlet outflow by condenser of the entrance of first throttle part
Temperature is ultralow.The heat for reducing the working medium for entering evaporator by first throttle part, the Temperature of Working into evaporator is lower,
Adjust evaporating pressure so that the heat absorption capacity higher of evaporator.
As Fig. 6 absorbs the working medium containing more gaseous working mediums that heat is evaporated through plural parallel stage in Btu utilization unit
The second outlet of heat displacement apparatus flows out.The second outlet of plural parallel stage heat displacement apparatus can be connected to first throttle part
Entrance, heat collector panel is entered by first throttle part, improves the accounting for entering the gaseous working medium in heat collector panel working medium so that is passive
Working medium distribution in the heat collector panel of heat absorbing type is more uniform, is equivalent to and has carried out a primary evaporator for heat collector panel, improves system
Heating capacity.
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 plural parallel stage in Btu utilization unit
The second outlet of heat displacement apparatus flows out.The second outlet of plural parallel stage heat displacement apparatus can be respectively connected to first segment
Flow the entrance of the entrance and compressor of part.On the one hand, suction pressure of compressor is improved, to improve the compression of compressor
Than；Another reverse side enters heat collector panel by first throttle part, improves the accounting for entering the gaseous working medium in heat collector panel working medium, make
The working medium distribution obtained in the heat collector panel of passive heat absorbing type is more uniform, is equivalent to and has carried out a primary evaporator for heat collector panel, carries
The heating capacity of high system.
Heat exchange system in previous embodiment one to embodiment five can also use the structure such as Figure 10：
Heat recovery unit includes the first heat exchange plate 2 of the metal material placed vertically, which includes
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
Working medium of absorbing heat runner 26, collector tube 23 and gas phase return duct 24.Working medium of absorbing heat runner 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 medium runner 26 by the first return flow line 25, gas
Phase return duct 24 is connected to heat absorption working medium runner 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 less than the first return flow line 25 and heat absorption working medium runner 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 duct 24
Position of the position of contact higher than the second return flow line 27 and the tie point of heat absorption working medium runner 26.
The working medium that gas-liquid mixes state enters heat absorption working medium runner 26 through working medium entrances 21, most of work in heat absorption working medium runner
The heat of matter, which is absorbed, to be shifted, and the lower liquid refrigerant of temperature is become.Liquid refrigerant is due to of gravity through tilting down
One return flow line 25, which enters in collector tube 23, to be collected.Gaseous working medium is remained as on the heat absorption working medium runner 26 of bending is interior
It rises, enters at 24 return working medium entrances 21 of gas phase return duct through acclivitous second return flow line 27 and be again introduced into heat absorption working medium
Runner 26 so that its heat, which can be absorbed, to be shifted and be liquefied.
Btu 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, be arranged top sender property outlet 32 and be arranged in working medium entrances 31 and sender property outlet
Heat supply working medium runner 36, gas collecting tube 33 between 32 and liquid-phase reflux pipe 34.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 the first return flow line
37 connections, liquid-phase reflux pipe 34 are connected to heat supply working medium runner 36 by the second return flow line 35.First return flow line 37 is to incline
The position of oblique line flowing channel, the first return flow line 37 and the tie point of gas collecting tube 33 is higher than the first return flow line 37 and for thermal technology
The position of the tie point in mass flow road 36.Second return flow line 35 is inclined line flowing channel, and the second return flow line 35 is returned with liquid phase
Position of the position of the tie point of flow tube 34 less than the second 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
One return flow line 37, which enters in gas collecting tube 33, to be collected.The working medium for remaining as liquid is downward in the heat supply working medium runner 36 of bending
Flowing, the second return flow line 35 through tilting down, which enters at 34 return working medium entrances 21 of liquid-phase reflux pipe, to be again introduced into for thermal technology
Mass flow road 36 so that it can absorb heat again and become gaseous working medium.
First heat exchange plate 2 and the second heat exchange plate 3 are closely spaced closed assembly in the shell.The work of first heat exchange plate 2
Matter entrance connects the entrance of heat recovery unit, the outlet of the sender property outlet connection heat recovery unit of the first heat exchange plate 2.The
The entrance of the working medium entrances connection Btu utilization unit of two heat exchange plates 3, the sender property outlet 32 of the second heat exchange plate 3 connect heat
Utilize the outlet of unit.Third throttling element 4 is the throttling element being arranged in Btu utilization unit inlet.Third throttling element 4 enters
Mouth connects isolation outlet low in calories, and the outlet of third throttling element 4 connects Btu utilization unit entrance.First heat exchange plate 2 and
Two heat exchange plates 3 fit closely, and the working medium in heat absorption working medium runner 26 flows from top to bottom, the working medium in heat supply working medium runner 36
It flows from lower to upper, the working medium in two working medium runners forms convection current, promotes mutual heat exchange.
The working medium of condensed device outflow is gas-liquid mixed state, and third throttling element 4 can be by adjusting by heat recovery unit
The flow for flowing to the working medium of Btu utilization unit is realized to adjusting the working medium density in heat recovery unit and Btu utilization unit
Adjusting.It is close that the working medium that the working medium density in heat recovery unit is more than in Btu utilization unit is adjusted by third throttling element 4
Degree so that there is 2 and second heat exchange plate 3 of mutually isostructural first heat exchange plate, the total enthalpy of working medium in the first heat exchange plate 2
More 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 are closely
It overlaps, since the total enthalpy of the two is different, them is caused to carry out hot transmission between each other.In the second heat exchange plate 3
Gas-liquid mixed state working medium absorb the working medium heat of the gas-liquid mixed state in the first heat exchange plate 2, the work in the second heat exchange plate 3
It is gaseous state that matter, which absorbs heat of vaporization, and the working medium release heat in the first heat exchange plate 2 is liquefied, and temperature further decreases.
In addition, the heating system in above-mentioned all embodiments can be used for freezing, evaporator is placed when for freezing
Among the closed environments such as the room for needing to heat, condenser is placed on except the closed environment.It is closed where evaporator
Environment forms evaporating area, and the environment where condenser forms condensing zone.During working medium flows in working medium runner, it will evaporate
The amount of heat in area absorbs, and is discharged into condensing zone, absorbs heat for closed refrigerating environment, reduces the temperature in room, reaches
Refrigeration effect.
Technical scheme of the present invention change traditional two big region of Kano formula cycle applications system, four big components construction lattice
Multistage is arranged simultaneously between the condensing zone and the evaporating area by the second throttling element and plural parallel stage heat displacement apparatus in office
Join heat displacement zone.The Forward of throttling element can replace waste heat of condensation for heat, avoids the waste of waste heat of condensation, improves system
Effective quantity of heat production of system.Working medium is divided into two parts inside plural parallel stage heat displacement apparatus, extraction is followed in traditional Kano formula
The low-quality waste heat of condensation that ring application system can not recycle so that the first outlet through plural parallel stage heat displacement apparatus into
The Temperature of Working for entering evaporator is lower than the Temperature of Working for being directly entered evaporator by condensator outlet.It ensure that entire refrigeration/system
It condensed in hot systems, evaporate the complete of scene, reduced working medium and enter condenser heat and evaporation during evaporating area by condensing zone
The loss of heat.By the reasonably optimizing to plural parallel stage heat displacement apparatus, it is substantially equal to for the efficiency of Carnot cycle machine
Ideal efficiency has opened up out a direction.To breach the technical bottleneck of cooling/heating system, refrigerating/heating is substantially increased
The Energy Efficiency Ratio of system.Plural parallel stage displacement heat-exchange system is more suitable for needing the occasion of fast-refrigerating/heating, simultaneously by multistage
Join heat displacement apparatus and heat displacement quickly is carried out to working medium, increase the temperature difference between evaporator inlet and outlet, improves and steam
The working performance of device is sent out, the system of ensure that can be rapidly achieved target temperature.
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
Profit makes various deformations or amendments in the range of requiring.
Claims (8)
1. a kind of plural parallel stage replaces heat-exchange system, include the evaporator connected by working medium runner, compressor, condenser, with
And first throttle part；The outlet of the evaporator connects the entrance of the compressor, and the outlet connection of the compressor is described cold
The entrance of condenser, the outlet of the condenser connect the entrance of the first throttle part, the outlet connection of the first throttle part
The entrance of the evaporator；It is characterized in that：It is equipped with multistage simultaneously between the condensator outlet and the first throttle part entrance
Join heat displacement zone；Plural parallel stage heat displacement zone includes the second throttling element and plural parallel stage heat displacement apparatus；Institute
The entrance for stating the second throttling element connects the outlet of the condenser, and the outlet of second throttling element connects the plural parallel stage heat
The entrance of displacement apparatus is measured, the first outlet of the plural parallel stage heat displacement apparatus connects the entrance of the first throttle part；
The plural parallel stage heat displacement apparatus includes that at least two heats replace subsystem；The heat displacement subsystem includes heat
Recovery unit, Btu utilization unit；The heat recovery unit be connected in parallel on the plural parallel stage heat displacement apparatus entrance and
Between the first outlet of the plural parallel stage 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 medium runner being arranged between working medium entrances and sender property outlet, collection
Liquid pipe and gas phase return duct；The heat absorption working medium runner is S-shaped curved channel, and the heat absorption working medium flow channel entry point connects institute
Working medium entrances are stated, the collector tube is connected to the heat absorption working medium runner by the first return flow line of the first heat exchange plate, institute
Gas phase return duct is stated to be connected to by the second return flow line of the first heat exchange plate with the heat absorption working medium runner；First return flow line
For inclined line flowing channel, first return flow line and the position of the tie point of the collector tube are logical less than first reflux
The position in road and the tie point of heat absorption working medium runner；Second return flow line is inclined line flowing channel, second reflux
Channel and the position of the tie point of gas phase return duct are higher than the position of second return flow line and the tie point for the working medium runner that absorbs heat
It sets；
Btu utilization unit includes the second heat exchange plate placed vertically, and second heat exchange plate includes work arranged at the bottom
Matter entrance, be arranged top sender property outlet and be arranged between working medium entrances and sender property outlet heat supply working medium runner, 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 exchange plate, institute
Liquid-phase reflux pipe is stated to be connected to by the second return flow line of the second heat exchange plate with the heat supply working medium runner；First reflux
Channel is inclined line flowing channel, and first return flow line and the position of the tie point of the gas collecting tube are higher than described first time
The position of circulation road and the tie point of the heat supply working medium runner；Second return flow line is inclined line flowing channel, described
Second return flow line and the position of the tie point of the liquid-phase reflux pipe are less than second return flow line and the heat supply working medium
The position of the tie point of runner.
2. a kind of plural parallel stage according to claim 1 replaces heat-exchange system, it is characterised in that：The heat replaces subsystem
System further includes third throttling element, and the entrance of the third throttling element connects the first of the plural parallel stage heat displacement apparatus and goes out
Mouthful, the outlet of the third throttling element connects the entrance of the Btu utilization unit, the outlet connection of the Btu utilization unit
The second outlet of the plural parallel stage heat displacement apparatus.
3. a kind of plural parallel stage according to claim 2 replaces heat-exchange system, it is characterised in that：The plural parallel stage heat
The second outlet of displacement apparatus connects the entrance of the compressor.
4. a kind of plural parallel stage according to claim 2 replaces heat-exchange system, it is characterised in that：The plural parallel stage heat
The second outlet of displacement apparatus connects the entrance of the evaporator.
5. a kind of plural parallel stage according to claim 2 replaces heat-exchange system, it is characterised in that：The plural parallel stage heat
The second outlet of displacement apparatus connects the entrance of the compressor, the second outlet connection of the plural parallel stage heat displacement apparatus
The entrance of the evaporator.
6. a kind of plural parallel stage according to claim 1 replaces heat-exchange system, it is characterised in that：The heat recovery unit
Include the first heat exchange plate equipped with working medium runner, the Btu utilization unit includes the second heat exchanger plates equipped with working medium runner
The working medium stream that the outlet of piece, the entrance of the heat recovery unit and the heat recovery unit passes through first heat exchange plate
The outlet of road connection, the entrance of the Btu utilization unit and the Btu utilization unit passes through the work of second heat exchange plate
Mass flow road is connected to；First heat exchange plate and second heat exchange plate compartment of terrain fit closely.
7. a kind of plural parallel stage according to claim 1 replaces heat-exchange system, it is characterised in that：The heat-exchange system is system
Hot systems.
8. a kind of plural parallel stage according to claim 1 replaces heat-exchange system, it is characterised in that：The heat-exchange system is system
Cooling system.
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| US4594858A (en) * | 1984-01-11 | 1986-06-17 | Copeland Corporation | Highly efficient flexible two-stage refrigeration system |
| CN101268312A (en) * | 2005-09-22 | 2008-09-17 | 大金工业株式会社 | Air conditioner |
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| CN105928267A (en) | 2016-09-07 |
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Effective date of registration: 20240611 Address after: Building 20, Changxing National University Science and Technology Park, No. 669 High Speed Railway, Changxing County, Huzhou City, Zhejiang Province, 313100 Patentee after: ZHEJIANG SHIZI NEW ENERGY TECHNOLOGY CO.,LTD. Country or region after: China Address before: 315400 room 104, building 9, new city garden, Yangming street, Yuyao City, Ningbo City, Zhejiang Province Patentee before: Tang Yumin Country or region before: China Patentee before: Yu Hongwei |