CN107270590A - Evaporator and the refrigeration system with the evaporator - Google Patents
Evaporator and the refrigeration system with the evaporator Download PDFInfo
- Publication number
- CN107270590A CN107270590A CN201710068986.XA CN201710068986A CN107270590A CN 107270590 A CN107270590 A CN 107270590A CN 201710068986 A CN201710068986 A CN 201710068986A CN 107270590 A CN107270590 A CN 107270590A
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- Prior art keywords
- heat conducting
- refrigerant
- conducting pipe
- distributor
- evaporator
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
- F25B39/028—Evaporators having distributing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/005—Compression machines, plants or systems with non-reversible cycle of the single unit type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
- F25B41/42—Arrangements for diverging or converging flows, e.g. branch lines or junctions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/02—Details of evaporators
- F25B2339/024—Evaporators with refrigerant in a vessel in which is situated a heat exchanger
- F25B2339/0242—Evaporators with refrigerant in a vessel in which is situated a heat exchanger having tubular elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/09—Improving heat transfers
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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)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
Abstract
The present invention relates to evaporator and the refrigeration system with the evaporator.Evaporator according to one aspect includes：Shell, is formed with refrigerant inflow port and refrigerant outflow port；Heat conducting pipe, is contained in the shell, and flowing has the cold water to carry out heat exchange with the refrigerant of the enclosure in the heat conducting pipe；First distributor, is arranged on the top of the heat conducting pipe in the way of interval, and the heat conducting pipe is given by the refrigerant primary distribution flowed into from the refrigerant inflow port；And second distributor, the bottom of first distributor is arranged in the way of interval, secondary distribution is carried out to the refrigerant fallen from first distributor, the heat conducting pipe includes：Top heat conducting pipe, is arranged on the top of second distributor；And bottom heat conducting pipe, it is arranged on the bottom of second distributor.
Description
Technical field
The present invention relates to evaporator and the refrigeration system with the evaporator.
Background technology
Generally, refrigerator is by the equipment at Cold water supply to cold water demand, it is characterised in that circulated in refrigeration system
Refrigerant and the cold water that is circulated at cold water demand between refrigeration system between form heat exchange, so as to enter to the cold water
Row cooling.Refrigerator is may be provided at as large scale equipment in building in large scale etc..
Fig. 1 is the figure for representing existing refrigeration system.
Reference picture 1, existing refrigeration system 1 is included 6 at refrigeration unit and demand.6 can be understood as profit at the demand
With the conditioner of cold water.
The refrigeration unit includes：Compressor 2, is compressed to refrigerant；Condenser 3, makes to press in the compressor 2
Refrigerant condensation after contracting；Expansion gear 4, makes the condensed refrigerant decompression in the condenser 3；And evaporator 5, make
Refrigerant evaporation after being depressurized in the expansion gear 4.
Refrigerant can in the condenser 3 with extraneous air carry out heat exchange, and in the evaporator 5 with cold water
Carry out heat exchange.
The refrigeration system 1 includes：Cold water pipe arrangement 8, connects the evaporator 5 and at demand 6 and guides the circulation of cold water；
Pump 7, is arranged on the cold water pipe arrangement 8, the mobilization force to produce cold water.
When the pump 7 works, cold water flows to the evaporator 5 via the cold water pipe arrangement 8 from the demand 6, and
And flowed to from the evaporator 56 at the demand.
The evaporator 5 is provided with：Flowing has the refrigerant flow path 5a of refrigerant；Flowing has the cold water stream 5b of cold water.Institute
State cold water stream 5b to be formed by heat conducting pipe, the refrigerant is contacted with heat conducting pipe, so as to carry out heat exchange with cold water.
When the evaporator 5 is downward film evaporator (Falling film evaporator), the evaporator is flowed into
5 refrigerant is fallen and dispersed to the heat conducting pipe by allocation unit.
Simply, there are the following problems in existing evaporator：The number for increasing heat conducting pipe with refrigeration unit volume also increases,
Thus refrigerant equably can not be dispersed in heat conducting pipe.
In addition, existing evaporator there is a problem in that：The gaseous refrigerant for carrying out heat exchange with cold water and gasifying is being led
During rising in heat pipe, the flowing of liquid refrigerant is hindered, and then causes heat exchanger effectiveness low.
The content of the invention
Problem to be solved by this invention is that offer is a kind of and refrigerant is uniformly distributed in downward film evaporator
The evaporator of heat conducting pipe and the refrigeration system with the evaporator.
Another problem of the present invention is so that the gaseous refrigerant evaporated in heat conducting pipe does not hinder in uphill process
Hinder the flowing of liquid refrigerant.
In order to which refrigerant is equally distributed into heat conducting pipe, evaporator according to one aspect includes：Shell, is formed with refrigeration
Agent inflow entrance and refrigerant outflow port；Heat conducting pipe, is contained in the shell, in the heat conducting pipe flowing have to it is described outer
Refrigerant inside shell carries out the cold water of heat exchange；First distributor, is arranged on the heat conducting pipe in the way of interval
Top, the heat conducting pipe is given by the refrigerant primary distribution flowed into from the refrigerant inflow port；And second distributor, with every
The standard width of a room in an old-style house every mode be arranged on the bottom of first distributor, the refrigerant fallen from first distributor is carried out secondary
Distribution；The heat conducting pipe includes：Top heat conducting pipe, is arranged on the top of second distributor；And bottom heat conducting pipe, set
In the bottom of second distributor.
In order to prevent gaseous refrigerant from hindering the flowing of liquid refrigerant, multiple top heat conducting pipes can be provided with, many
The first flow path for guiding gaseous refrigerant to rise can be formed between the individual heat conducting pipe.
In addition, flowing can be formed between the top heat conducting pipe and second distributor the of gaseous refrigerant
Two streams.
In addition, provided with multiple bottom heat conducting pipes, being provided between multiple heat conducting pipes to guide gaseous refrigerant
The 3rd stream that agent rises.
Included according to the refrigeration system of another aspect：Compressor, to compression refrigerant；Condenser, so that in the pressure
Heat exchange is formed between the cooling water that refrigerant and cooling tower after being compressed in contracting machine are supplied；And evaporator, so as to pass through
The refrigerant of the condenser and it will supply between the cold water at the demand and to form heat exchange；The evaporator bag
Include：Shell, is formed with refrigerant inflow port and refrigerant outflow port；Heat conducting pipe, is contained in the shell, in the heat conducting pipe
Flowing has the cold water to carry out heat exchange with the refrigerant of the enclosure；First distributor, in the way of interval
The top of the heat conducting pipe is arranged on, the heat conducting pipe is given by the refrigerant primary distribution flowed into from the refrigerant inflow port；
And second distributor, the bottom of first distributor is arranged in the way of interval, to from first distributor
The refrigerant of whereabouts carries out secondary distribution；The heat conducting pipe includes：Top heat conducting pipe, is arranged on the upper of second distributor
Portion；And bottom heat conducting pipe, it is arranged on the bottom of second distributor.
Embodiments in accordance with the present invention, not only with the first distributor being located on the upside of heat conducting pipe, but also with being located at
The second distributor between top heat conducting pipe and bottom heat conducting pipe, therefore the liquid refrigerant declined along top heat conducting pipe can be entered
Row is collected and equably implements reallocation to bottom heat conducting pipe again.Thus, it is possible to improve the heat exchange effect in the heat conducting pipe of bottom
Rate.
Thus, it is possible to the refrigerant injection rate being greatly reduced in refrigeration system.
In addition, in the middle of heat conducting pipe vertically and left and right directions formation stream, so as to make in heat conduction pipe surface because of heat
The gaseous refrigerant for exchanging and gasifying does not hinder the fluidly rising of liquid refrigerant.And then, can be swimmingly in heat conducting pipe
Carry out the heat exchange of liquid refrigerant.
Brief description of the drawings
Fig. 1 is the figure for representing existing refrigeration system.
Fig. 2 is the concept map of the refrigeration unit of one embodiment of the invention.
Fig. 3 is the X-X line profilographs of Fig. 2 evaporator.
Fig. 4 is the stereogram of Fig. 3 the second distributor.
Embodiment
Referring to the drawings, the specific embodiment of the present invention is illustrated.Simply, shown in thought of the invention is not limited to
Embodiment, for the those skilled in the art for understanding inventive concept, can easily be proposed not in identical thought range
Same embodiment.
Fig. 2 is the concept map of the refrigeration unit of one embodiment of the invention.
Reference picture 2, refrigeration unit of the invention includes：Compressor 10, to be compressed to refrigerant；Condenser 30,
Make the refrigerant condensation after being compressed in the compressor 10；Expansion valve 40, makes the condensed refrigeration in the condenser 30
Agent expands；And evaporator 20, evaporate the refrigerant expanded in the expansion valve 40.
The compressor 10 may include to show that the compressor 10 includes one stage of compression in one-level or two stages of compression portion, Fig. 1
The situation in portion.
The compressor 10 may include：Impeller 11 (Impeller), is rotated using the driving force of motor and to right
Refrigerant is compressed；Cover (Shroud), to accommodate the impeller 11；Viarable diffuser (Diffuser), will be by described
The rotation of impeller 11 and the kinetic energy of fluid discharged is converted into pressure energy.
Heat exchange can be produced between refrigerant and cooling water in the condenser 30, from described in the evaporator 20
Heat exchange can be produced between refrigerant and cold water that condenser 30 is discharged.The expansion valve 40 is located at the condenser 30 and evaporation
Between device 20.
On the other hand, as described above, the compressor 10 may include two stages of compression portion, now, the compressor 10 can be with
It is the compound compressor with multiple series.When the compressor 10 includes two stages of compression portion, the turbo refrigerating machine 1 can be wrapped
Include the refrigeration that liquid condition is separated in economizer (Economizer), the refrigerant that the economizer is discharged from the condenser 30
Agent (liquid refrigerant) and the refrigerant (gaseous refrigerant) of gaseous state, and the gaseous refrigerant of the separation is expelled to institute
State compressor.
In addition, may also include the first expansion valve being arranged between the condenser 30 and the economizer and be arranged on institute
State the second expansion valve between economizer and the evaporator 20.So, when the compressor 10 includes two stages of compression portion,
It may include low pressure compression unit and high pressure compressed portion as the compressor 10 of an embodiment.
One stage impeller can be provided with the low pressure compression unit, sencond stage impeller can be provided with the high pressure compressed portion.Herein, from
The refrigerant of the evaporator discharge flows into the low pressure compression unit, and the gaseous refrigerant separated in the economizer flows into institute
State high pressure compressed portion.
As a result, the gaseous refrigerant separated in economizer and the refrigerant in low pressure compression unit after compression are in the height
Together compressed in pressure compression unit, therefore be applied to the work done during compression of the compressor and reduced.Due to being applied to the compressor
Work done during compression is reduced, therefore generation makes the effect that the operating range of compressor expands.
As an embodiment, the evaporator 20 and condenser 30 can have shell-and-tube (Shell in tube) structure.
Flowing has cold water and cooling water respectively in the heat conducting pipe accommodated in the evaporator 20 and the condenser 30, in the evaporation
The enclosure interior flowing of device 20 and the condenser 30 has refrigerant.
Cold water (Chilled water) is flowed into by heat conducting pipe and discharges the evaporator 20, in the evaporator 20
Refrigerant described in portion and cold water carry out heat exchange, and the cold water is cooled during by the evaporator 20.
Cooling water (Condensed water) is flowed into by heat conducting pipe and discharges the condenser 30, in the condenser
The 30 inside refrigerants and cooling water carry out heat exchange, and the cooling water is added during by the condenser 30
Heat.
On the other hand, the evaporator 20 can be downward film evaporator (falling film evaporator).Hereinafter,
Structure to the evaporator 20 is described in detail.
Fig. 3 is the X-X line profilographs of Fig. 2 evaporator, and Fig. 4 is the stereogram of Fig. 3 the second distributor.
Reference picture 3 and Fig. 4, the evaporator 20 include shell 21, the first distributor 100 and multiple heat conducting pipes 110,120.
The shell 21 forms the profile of the evaporator 20.In addition, the shell 21 is provided with：Refrigerant inflow port, comes
The refrigerant inflow port is flowed into from the mix refrigerant of the expansion valve；Refrigerant outflow port, is connected with the compressor 10.Institute
The compressor 10 can be moved to by the refrigerant outflow port by stating the gaseous refrigerant inside evaporator 20.
Heat exchange can be produced between the internal refrigeration storage agent of shell 21 and cold water.First distributor 100 is contained in
It inside the shell 21, can disperse the refrigerant of the inflow evaporator 20.The system disperseed by first distributor 100
Cryogen is distributed to multiple heat conducting pipes 110,120.Flowing has cold water, the refrigeration in multiple heat conducting pipes 110,120
Heat exchange can be produced between agent and the cold water.
First distributor 100 may include gas-liquid separation unit, and the gas-liquid separation unit is from flowing into the evaporator 20
Mix refrigerant in separation gaseous state and liquid refrigerant.The gaseous refrigerant separated in the gas-liquid separation unit is from institute
State in the first distributor 100 and discharge, the compressor 10 can be flowed into by the inside of the shell 21 of the evaporator 20.Although not
Illustrated, the shell 21 can be provided with to prevent liquid refrigerant from flowing into the gas-liquid separator of the compressor 10
(eliminator)。
First distributor 100 may also include to disperse the liquid refrigerant separated in the gas-liquid separation unit
Allocation unit.Multiple flow orifices can be formed uniformly in the allocation unit, have thus enabled that liquid refrigerant uniformly divides
Dissipate.
The liquid refrigerant separated in the gas-liquid separation unit by gravity fall and can be dispersed to multiple described lead
Heat pipe 110,120.Fall to multiple heat conducting pipes 110,120 liquid refrigerant in multiple heat conducting pipes 110,120
Surface forms liquid film.
On the other hand, if based on first distributor 100 refrigerant it is scattered uneven, then can be multiple described
Dry spot (Dry out spot) is formed on heat conducting pipe 110,120, so as to cause the overall thermal exchangeability of the evaporator 20
Can reduction.
The evaporator 20 also includes the second distributor 130 for being used to make liquid refrigerant scattered, to enable the refrigerant to
It is evenly dispersed in multiple heat conducting pipes 110,120.
Multiple heat conducting pipes 110,120 can be divided into top heat conducting pipe 110 on the basis of second distributor 130
And bottom heat conducting pipe 120.The top heat conducting pipe 110 and the bottom heat conducting pipe 120 can be respectively equipped with multiple.On the other hand,
Second distributor 130 can be provided with multiple in the range of not hindering refrigerant to flow.
Second distributor 130 includes allocation unit 132.
The allocation unit 132 as shown in the figure can be plate-like.The allocation unit 132 can cover the bottom heat conducting pipe
120 top.
The allocation unit 132 can be formed with multiple flow orifices 136.The multiple flow orifice 136 can be along the lower guide
The length direction interval of heat pipe 120 is formed.So as to, under drop down onto the allocation unit 132 liquid refrigerant pass through it is described
Multiple flow orifices 136 are uniformly distributed downwards.The flow orifice 136 is formed as that liquid refrigerant can be evenly distributed
Shape.For example, the flow orifice 136 can be rounded, zigzag or triangle etc..
So as to be fallen and carried out to the top heat conducting pipe 110 from the liquid refrigerant that first distributor 100 is distributed
Heat exchange, the liquid refrigerant of bottom is flowed in second distributor 130 by secondary point via the top heat conducting pipe 110
Match somebody with somebody, and then fall to the bottom heat conducting pipe 110.
The width that the top heat conducting pipe 110 can be configured to its left and right directions downwards is wider.That is, described top heat conduction
Pipe 110 includes the heat conducting pipe row that heat conducting pipe is arranged in left-right direction, and the heat conducting pipe row can be provided with multiple, multiple heat conducting pipes
The width for arranging its left and right directions downwards is wider.On the other hand, during width somewhat constant between multiple heat conducting pipes,
The number that multiple heat conducting pipe row can be configured to the heat conducting pipe configured on its left and right directions downwards more increases.
This is that, in order to prevent following phenomenon, the liquid refrigerant distributed from first distributor 100 is not only to lead
Vertical direction falls to also spreading to both sides, so as to can not be contacted with the top heat conducting pipe 110.And by this configuration, can make
The liquid refrigerant distributed by first distributor 100 is contacted with the top heat conducting pipe 110 to greatest extent.
In other words, heat conduction of the height than inner side of the most gabarit heat conducting pipe row 112,114 of the both sides of top heat conducting pipe 110
Pipe is low.
Second distributor 130 may also include guide portion 134.The guide portion 134 from described first will distribute
Device 100 falls and is collected into the allocation unit 132 via the liquid refrigerant of the top heat conducting pipe 110.
The guide portion 134 can be formed along the edge of the allocation unit 132.Specifically, the guide portion 134 can
In the acclivitous shape in end from the allocation unit 132.So as to so that the liquid disperseed from the top heat conducting pipe 110
The mode that state refrigerant can be collected into the allocation unit 132 is guided.
In addition, the allocation unit 132 can be formed with liquid refrigerant by the guide portion 134 collecting for collecting
Space.Collect the speed in space described in being flowed into when liquid refrigerant than speed that liquid refrigerant is fallen by the flow orifice 136
When spending fast, the water level of the liquid refrigerant collected in space is uprised.Collect in the liquid refrigerant of the allocation unit 132
To drop down onto the bottom heat conducting pipe 120 under film form and uniform flow velocity.
On the other hand, the gaseous refrigerant gasified in the top heat conducting pipe 110 is possible to hinder in the process of rising
The flowing of the liquid refrigerant of whereabouts.Specifically, the liquid refrigerant from the top heat conducting pipe 110 decline is because of gaseous refrigerant
The flowing of agent and can not vertical decline and spread in the lateral direction.To prevent this phenomenon, in the top heat conducting pipe 110
Side can be formed with multiple streams 116,117.The multiple stream 116,117 can be played and the top heat conducting pipe 110
The effect of the flow passage for the gaseous refrigerant for carrying out heat exchange and gasifying.So that the gas gasified in the top heat conducting pipe 110
State refrigerant is flowed to the multiple stream 116,117, and the top heat conducting pipe 110 is hindered so as to improve gaseous refrigerant
The phenomenon of heat exchange between liquid refrigerant.
The multiple stream 116,117 may include first flow path 116 and second flow path 117.
The first flow path 116 is formed as the above-below direction extension along the top heat conducting pipe 110.So as in institute
Stating the gaseous refrigerant of the gasification of top heat conducting pipe 110 can swimmingly rise.
As illustrated, the first flow path 116 is settable one, but it is also possible to set multiple.If the first flow path
Ratio is bigger shared by 116, then the more smoothly advantage, but correspondingly because the density of heat conducting pipe diminishes of the rising with gaseous refrigerant
And cause the heat exchanger effectiveness of liquid refrigerant to reduce, therefore designer is considered as these aspects and appropriately set.
The second flow path 117 may be formed at the upside of second distributor 130.As illustrated, the second flow path
117 can form in left-right direction.In addition, the second flow path 117 is connected with the first flow path 116, so as to make gaseous state
The rising of refrigerant becomes smooth.
As illustrated, the second flow path 117 is settable one, it can also set multiple.It is, also may be formed at institute
State the centre position of top heat conducting pipe 110.
The 3rd stream 126 that flowing has the refrigerant of gasification can be formed with the bottom heat conducting pipe 120.3rd stream
Road 126 can along the vertical direction be formed as the first flow path 116.
The gaseous refrigerant risen by the 3rd stream 126 can be by the allocation unit 132 of second distributor 130
Bottom surface guiding.So as to which the gaseous refrigerant risen by the 3rd stream 126 can be to the both sides of the allocation unit 132
It is mobile.
The guide portion 134 may be lead through gaseous refrigerant that the 3rd stream 126 rises along the upper guide
The both sides of heat pipe 110 rise.Thus, it is possible to prevent the refrigerant gasified in the bottom heat conducting pipe 120 from rising and on described
Portion's heat conducting pipe 110 flows.So, by making the ascending path of gaseous refrigerant roundabout, so as to promote the top heat conduction
The heat exchange of liquid refrigerant in pipe 110.
The lower end of the bottom heat conducting pipe 120 can accordingly be configured with the shape with the inner peripheral surface of the shell 21.
It is exactly to constitute the center that the heat conducting pipe of the bottom heat conducting pipe 120 arranged closer to the shell 21 to configure longlyer.So as to match somebody with somebody
The heat conducting pipe 124 of the bottom in the central series of the bottom heat conducting pipe 120 is put, be may be provided at than configuring in most gabarit row most
The position of the heat conducting pipe 123 of lower end downwards.
It is in the liquid refrigerant declined in the inside of shell 21, on the way via multiple heat conducting pipes 110,120
In not vaporized liquid refrigerant accumulation in the bottom of the shell 21, and by carrying out heat with the bottom heat conducting pipe 120
Exchange and gasified.
So, embodiments in accordance with the present invention, not only with the first distributor being located on the upside of heat conducting pipe, but also have
There is the second distributor being located between top heat conducting pipe and bottom heat conducting pipe, therefore can be to the liquid system that declines along top heat conducting pipe
Cryogen collect again and equably implement reallocation to bottom heat conducting pipe.Thus, it is possible to improve the heat in the heat conducting pipe of bottom
Exchange efficiency, and the refrigerant injection rate that can be greatly reduced in refrigeration system.
In addition, in the middle of heat conducting pipe vertically and left and right directions formation stream so that in heat conduction pipe surface by heat exchange
And the gaseous refrigerant gasified can not hinder the flowing of liquid refrigerant and rise.And then, can swimmingly it enter in heat conducting pipe
The heat exchange of row liquid refrigerant.
Claims (10)
1. a kind of evaporator, wherein, including：
Shell, is formed with refrigerant inflow port and refrigerant outflow port；
Heat conducting pipe, is contained in the shell, and flowing has to be carried out with the refrigerant of the enclosure in the heat conducting pipe
The cold water of heat exchange；
First distributor, is arranged on the top of the heat conducting pipe in the way of interval, will be from the refrigerant inflow port stream
The heat conducting pipe is given in the refrigerant primary distribution entered；And
Second distributor, is arranged on the bottom of first distributor in the way of interval, to from first distributor
The refrigerant of whereabouts carries out secondary distribution；
The heat conducting pipe includes：
Top heat conducting pipe, is arranged on the top of second distributor；And
Bottom heat conducting pipe, is arranged on the bottom of second distributor.
2. evaporator according to claim 1, wherein,
Second distributor is included the refrigerant fallen from the top heat conducting pipe is distributed to the bottom heat conducting pipe
Allocation unit,
Multiple flow orifices along the length direction setting of the bottom heat conducting pipe are formed with the allocation unit.
3. evaporator according to claim 2, wherein,
Be formed with the top of the allocation unit collect refrigerant collect space.
4. evaporator according to claim 2, wherein,
Second distributor also includes so that the refrigerant fallen from the top heat conducting pipe flows into the side of the allocation unit
The guide portion that formula is guided.
5. evaporator according to claim 1, wherein,
Provided with multiple top heat conducting pipes,
Heat conducting pipe that a part in multiple heat conducting pipes is arranged in left-right direction constitutes a heat conducting pipe row, and described leads
Heat pipe row are configured with multiple in the vertical direction,
The number that multiple heat conducting pipes arrange the heat conducting pipe that the heat conducting pipe row are then constituted closer to bottom is more.
6. evaporator according to claim 1, wherein,
Provided with multiple top heat conducting pipes,
The first flow path for guiding gaseous refrigerant to rise is formed between multiple heat conducting pipes, the first flow path exists
Upper and lower upwardly extends to be formed.
7. evaporator according to claim 1, wherein,
Flowing is formed between the top heat conducting pipe and second distributor the second flow path of gaseous refrigerant.
8. evaporator according to claim 1, wherein,
Provided with multiple bottom heat conducting pipes,
The 3rd stream to guide gaseous refrigerant to rise is provided between multiple heat conducting pipes.
9. evaporator according to claim 1, wherein,
First distributor includes：
Gas-liquid separation unit, gaseous refrigerant and liquid refrigeration are separated into by the refrigerant flowed into from the refrigerant inflow port
Agent；And
Allocation unit, is arranged on the bottom of the gas-liquid separation unit, and the liquid refrigerant is equally distributed to many
The individual heat conducting pipe.
10. a kind of refrigeration system, wherein, including：
Compressor, to compression refrigerant,
Condenser, so as to carry out hot friendship between the cooling water that the refrigerant and cooling tower after being compressed in the compressor are supplied
Change；And
Evaporator, so as to pass through the refrigerant of the condenser and will supply hot to being carried out between the cold water at the demand
Exchange；
The evaporator includes：
Shell, is formed with refrigerant inflow port and refrigerant outflow port；
Heat conducting pipe, is contained in the shell, and flowing has to be carried out with the refrigerant of the enclosure in the heat conducting pipe
The cold water of heat exchange；
First distributor, is arranged on the top of the heat conducting pipe in the way of interval, will be from the refrigerant inflow port stream
The heat conducting pipe is given in the refrigerant primary distribution entered；And
Second distributor, is arranged on the bottom of first distributor in the way of interval, to from first distributor
The refrigerant of whereabouts carries out secondary distribution；
The heat conducting pipe includes：
Top heat conducting pipe, is arranged on the top of second distributor；And
Bottom heat conducting pipe, is arranged on the bottom of second distributor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2016-0040851 | 2016-04-04 | ||
| KR1020160040851A KR20170114320A (en) | 2016-04-04 | 2016-04-04 | Evaporator and chiller system comprising the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107270590A true CN107270590A (en) | 2017-10-20 |
Family
ID=60052565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710068986.XA Pending CN107270590A (en) | 2016-04-04 | 2017-02-08 | Evaporator and the refrigeration system with the evaporator |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20170114320A (en) |
| CN (1) | CN107270590A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251709A (en) * | 2020-02-13 | 2021-08-13 | Lg电子株式会社 | Evaporator with a heat exchanger |
| CN113251707A (en) * | 2020-02-13 | 2021-08-13 | Lg电子株式会社 | Evaporator with a heat exchanger |
| JP2021162282A (en) * | 2020-04-03 | 2021-10-11 | 三菱重工サーマルシステムズ株式会社 | Evaporator |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102232211B1 (en) | 2019-07-26 | 2021-03-26 | 한국기계연구원 | Distributor for evaporator of refrigerator and evaporator of refrigerator |
| KR102292395B1 (en) | 2020-02-13 | 2021-08-20 | 엘지전자 주식회사 | Evaporator |
| KR20240051753A (en) | 2022-10-13 | 2024-04-22 | 한국기계연구원 | Tray structure for heat exchanger and heat exchanger including the same |
| KR20240051752A (en) | 2022-10-13 | 2024-04-22 | 한국기계연구원 | Tray structure for heat exchanger and heat exchanger including the same |
| KR20240051751A (en) | 2022-10-13 | 2024-04-22 | 한국기계연구원 | Tray structure for heat exchanger and heat exchanger including the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1409810A (en) * | 1999-12-17 | 2003-04-09 | 美国标准公司 | Falling film evaporator for vapor compression refrigeration chiller |
| TW200827651A (en) * | 2006-12-21 | 2008-07-01 | Ind Tech Res Inst | Spray type heat exchang device |
-
2016
- 2016-04-04 KR KR1020160040851A patent/KR20170114320A/en not_active Ceased
-
2017
- 2017-02-08 CN CN201710068986.XA patent/CN107270590A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1409810A (en) * | 1999-12-17 | 2003-04-09 | 美国标准公司 | Falling film evaporator for vapor compression refrigeration chiller |
| TW200827651A (en) * | 2006-12-21 | 2008-07-01 | Ind Tech Res Inst | Spray type heat exchang device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251709A (en) * | 2020-02-13 | 2021-08-13 | Lg电子株式会社 | Evaporator with a heat exchanger |
| CN113251707A (en) * | 2020-02-13 | 2021-08-13 | Lg电子株式会社 | Evaporator with a heat exchanger |
| US11624533B2 (en) | 2020-02-13 | 2023-04-11 | Lg Electronics Inc. | Evaporator |
| US11898780B2 (en) | 2020-02-13 | 2024-02-13 | Lg Electronics Inc. | Evaporator |
| JP2021162282A (en) * | 2020-04-03 | 2021-10-11 | 三菱重工サーマルシステムズ株式会社 | Evaporator |
| JP7098680B2 (en) | 2020-04-03 | 2022-07-11 | 三菱重工サーマルシステムズ株式会社 | Evaporator |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20170114320A (en) | 2017-10-16 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |
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| RJ01 | Rejection of invention patent application after publication |