CN101067531A - Condenser, evaporator cooling method and heating method in refrigerating system heating - Google Patents

Condenser, evaporator cooling method and heating method in refrigerating system heating Download PDF

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Publication number
CN101067531A
CN101067531A CNA2007100999858A CN200710099985A CN101067531A CN 101067531 A CN101067531 A CN 101067531A CN A2007100999858 A CNA2007100999858 A CN A2007100999858A CN 200710099985 A CN200710099985 A CN 200710099985A CN 101067531 A CN101067531 A CN 101067531A
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condenser
graphite paper
refrigeration system
evaporimeter
heat
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CN100580343C (en
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晏林宝
孙宇彤
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62Absorption based systems

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  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The invention provides a condenser for refrigerating systems, where the outer surface of the condenser has graphite paper, and the condenser radiates heat through the graphite paper to condense input gaseous refrigerant into liquid refrigerant to output. And the invention provides an evaporator for refrigerating systems, where the outer surface of the evaporator has graphite paper, and the evaporator absorbs heat through the graphite paper to gasify input liquid refrigerant into gaseous refrigerant to output. And the invention can raise refrigerating speeds of the refrigerating systems by good heat conductivity and plasticity of the graphite paper.

Description

The condenser, evaporimeter, heat dissipating method and the cold scattering method that are used for refrigeration system
Technical field
The present invention relates to hot swapping, particularly be used for condenser, evaporimeter, heat dissipating method and the cold scattering method of refrigeration system.
Background technology
Hot swapping is widely used in the refrigeration system of various refrigeration plants, and these refrigeration systems mainly utilize hot swapping to produce cold so that refrigeration plant inside reaches the effect of refrigeration, and refrigerator is exactly typical case's application of this refrigeration plant.Be example with the absorption refrigerator below, briefly describe the hot swapping that uses in the prior art refrigeration system.
Fig. 1 is the schematic diagram of prior art absorption refrigerator refrigeration system.In refrigeration system shown in Figure 1, comprise ammonia circulation, inert gas circulation and solution circulation, wherein the circulation of inert gas mainly is the pressure for the balanced system cooling system, inert gas enters evaporimeter 106 by the balance pipe on fluid reservoir 109 tops, arrive fluid reservoir 109 by evaporimeter 106 by absorber 108 again and finish circulation, inert gas can be selected helium or hydrogen etc.At ammonia circulation and solution circulation process of refrigerastion is briefly described below.
Process of refrigerastion comprises: 1) ammonia spirit in the fluid reservoir 109 enters generator 101 after heating through solution heat exchanger 110; 2) ammonia spirit is heated to boiling in generator 101, along the tedge process separator 102 arrival rectifiers 103 on generator 101 tops; 3) ammonia spirit continues to rise to condenser 104 through the ammonia that forms after the rectifying in rectifier 103, and isolated water then arrives solution heat exchanger 110 earlier and rises to absorber 108 again; 4) by the ammonia of rectifier 103 arrival condensers 104,, thereby ammonia is condensed into ammoniacal liquor to the outside heat radiation of refrigeration system; 5) ammoniacal liquor from condenser 104 outputs arrives evaporimeter 106, and the heat of vaporization of absorption refrigeration device interior becomes ammonia in evaporimeter 106, thereby reduces the refrigeration plant temperature inside; 6) from the ammonia of evaporimeter 106 output absorber 108, the water that is entered absorber 108 in the step 3) absorbs and forms ammonia spirit and flow back into fluid reservoir 109.Through above-mentioned steps 1)-6), the process of refrigerastion of a circulation in the absorption refrigerator refrigeration system finishes, finish the function of heat exchange jointly by condenser 104 and evaporimeter 106, it is condenser 104 forms ammoniacal liquor from condensation to the outside heat radiation of refrigeration system, and evaporimeter 106 utilizes the ammoniacal liquor gasification to need the principle of heat for ammonia, from the inner heat absorption of refrigeration plant, reach purpose to the inner cold scattering of refrigeration plant.The cold scattering effect of the radiating effect of above-mentioned condenser or evaporimeter all directly influences the refrigerating speed of refrigeration system.Such as other refrigeration systems in common compressor refrigerator or the semiconductor freezer, the structure of condenser and evaporimeter may be with described in the absorption refrigerator different, the miscellaneous part that removes condenser and evaporimeter in the refrigeration system also may be with described in the absorption refrigerator inequality, but it is utilize hot swapping outside refrigeration system, to dispel the heat, and all identical to the basic principle of the inner cold scattering of refrigeration plant.
In actual applications, in order to increase the area of dissipation of condenser to the refrigeration system outside, to improve radiating effect, usually on condenser, install a plurality of fin of arranging according to fixed intervals additional, fin on the condenser 104 in the example absorption refrigerator refrigeration system as shown in Figure 1, condenser need be through added fin to the outside heat radiation of system.And in order to increase the endotherm area of evaporimeter face,, add system one deck heat conductivility preferred metal shell usually in the evaporimeter outside, the metal shell of aluminum for example to improve the cold scattering effect from refrigeration plant inside.With the absorption refrigerator is example, and not shown this metal shell among Fig. 1, Fig. 2 show evaporimeter 106 and cross sectional representation for its metal shell that installs additional 202, and evaporimeter need add metal shell to refrigeration plant inside cold scattering through institute.
Since condenser with have thermal contact resistance for the coupling part of its fin that installs additional, can reduce the speed of condenser to the outside heat radiation of refrigeration system, and because the heat conductivility of metal is general, and because the characteristic of metal quality, for the added metal shell of evaporimeter can not contact fully with the evaporimeter outer wall, can reduce the speed of evaporimeter to the inner cold scattering of refrigeration plant.Above-mentioned influence to condenser heat radiation or evaporimeter cold scattering speed in the refrigeration system will cause the refrigerating speed of refrigeration system slower.
Summary of the invention
The invention provides a kind of condenser that is used for refrigeration system, this condenser can improve the refrigerating speed of refrigeration system.
The invention provides a kind of evaporimeter that is used for refrigeration system, this evaporimeter can improve the refrigerating speed of refrigeration system.
The invention provides a kind of heat dissipating method that is used for refrigeration system, this method can improve the refrigerating speed of refrigeration system.
The invention provides a kind of cold scattering method that is used for refrigeration system, this method can improve the refrigerating speed of refrigeration system.
The invention provides a kind of condenser that is used for refrigeration system, this condenser outer surface has graphite paper, and condenser is condensed into liquid refrigerant output by this graphite paper distribute heat with the gaseous refrigerant of importing condenser.
Preferably, described graphite paper outer surface also has the film that is used to improve graphite paper intensity.
The invention provides a kind of evaporimeter that is used for refrigeration system, this evaporator external has graphite paper, and evaporimeter absorbs heat by this graphite paper, and the liquid refrigerant of input evaporimeter is gasificated into gaseous refrigerant output.
Preferably, described graphite paper outer surface also has the film that is used to improve graphite paper intensity.
The invention provides a kind of heat dissipating method that is used for refrigeration system, use the condenser outer surface in the graphite paper parcel refrigeration system, this method also comprises:
Condenser, the graphite paper by outer surface parcel be to the outside distribute heat of refrigeration system, and the gaseous refrigerant of input condenser is condensed into liquid refrigerant.
Preferably, the outer surface of described graphite paper also is coated with the film that is used to improve graphite paper intensity.
The invention provides a kind of cold scattering method that is used for refrigeration system, use the evaporator external in the graphite paper parcel refrigeration system, this method also comprises:
Evaporimeter, the graphite paper by the outer surface parcel refrigeration plant absorbed inside heat under the refrigeration system, the liquid refrigerant of input evaporimeter is gasificated into gaseous refrigerant.
Preferably, the outer surface of described graphite paper also is coated with the film that is used to improve graphite paper intensity.
Condenser, evaporimeter, heat dissipating method and the cold scattering method that is used for refrigeration system provided by the invention, use the outer surface of condenser, evaporimeter in the graphite paper parcel refrigeration system, because the plasticity of graphite paper, the graphite paper of parcel can well be fitted with the outer surface of condenser or evaporimeter, and because the graphite paper good heat-conducting, can accelerate condenser to the speed of the outside heat radiation of refrigeration system or evaporimeter speed, thereby accelerate the refrigerating speed of refrigeration system to the inner cold scattering of refrigeration plant.
Description of drawings
Fig. 1 is a prior art absorption refrigerator refrigeration system schematic diagram;
Fig. 2 is the cross sectional representation of evaporimeter and its metal shell in the refrigeration system of prior art absorption refrigerator;
Fig. 3 is used for the condenser better embodiment schematic diagram of refrigeration system for the present invention;
Fig. 4 is used for the evaporimeter better embodiment schematic diagram of refrigeration system for the present invention;
Fig. 5 is used for the condenser of refrigeration system and the heat-exchange device better embodiment schematic diagram that evaporimeter is formed for the present invention;
Fig. 6 is used for the condenser and the schematic diagram of evaporator application in the refrigeration system of absorption refrigerator of refrigeration system for the present invention;
Fig. 7 is used for the heat dissipating method of refrigeration system and the heat change method flow chart of cold scattering method for using the present invention.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer,, the present invention is described in further detail below in conjunction with embodiment and accompanying drawing.
At first, introduce condenser and the evaporimeter that is used for refrigeration system provided by the invention.
Fig. 3 is used for the condenser better embodiment schematic diagram of refrigeration system for the present invention, with the condenser of the refrigeration system that is used for absorption refrigerator as better embodiment.The outer surface of condenser 304 has graphite paper 305, and condenser 304 to the outside distribute heat of refrigeration system, is condensed into liquid refrigerant output with the gaseous refrigerant of importing condenser 304 by graphite paper 305.
Fig. 4 is used for the evaporimeter better embodiment schematic diagram of refrigeration system for the present invention, with the evaporimeter of the refrigeration system that is used for absorption refrigerator as better embodiment.The outer surface of evaporimeter 406 has graphite paper 407, and evaporimeter 406 is by the refrigeration plant absorbed inside heat of graphite paper 407 under the refrigeration system, the liquid refrigerant gasification output of input evaporimeter 406, thus reach purpose to the inner cold scattering of refrigeration plant.
Fig. 3 and Fig. 4 respectively with the condenser of the refrigeration system that is used for absorption refrigerator and evaporimeter as better embodiment, in actual applications, during at other situations such as refrigeration system of the refrigeration system of common compressor refrigerator or semiconductor freezer, the structure of condenser and evaporimeter may be different with condenser and evaporimeter in Fig. 3 and the absorption refrigerator refrigeration system shown in Figure 4, for example evaporimeter or condenser may be made up of a plurality of coil pipes, but can use graphite paper parcel condenser and evaporator external equally, repeat no more here.
Condenser and the evaporimeter that is used for refrigeration system provided by the invention, use the outer surface of graphite paper parcel condenser and evaporimeter, because graphite paper can well be fitted with the outer surface of condenser and evaporimeter, and possesses good heat-conducting, therefore can accelerate the speed of condenser to the outside heat radiation of refrigeration system, also can accelerate the speed of evaporimeter, thereby improve the refrigerating speed of refrigeration system to the inner cold scattering of refrigeration plant.On this basis, behind the outer surface parcel of use graphite paper to condenser and evaporimeter, condenser need not to use fin, evaporimeter also need not to use metal shell, mode of operation is simplified and has been saved the refrigeration system volume inside, and because the cost of graphite paper is lower, has reduced manufacturing cost.
The quality of considering graphite paper is more crisp, can cover the film that is used to improve graphite paper intensity again at the outer surface of graphite paper.For example can select polyvinyl chloride (PVC, polyvinyl chloride) plastic sheeting etc. for use.
Condenser that is used for refrigeration system provided by the invention and evaporimeter can be formed the heat-exchange device in the refrigeration system.Fig. 5 is the heat-exchange device better embodiment schematic diagram of being made up of condenser in the refrigeration system of the present invention and evaporimeter, is better embodiment with the condenser and the evaporimeter of the refrigeration system that is used for absorption refrigerator.In this heat-exchange device, the outer surface of condenser and evaporimeter can all be enclosed with graphite paper, and also an outer surface at condenser or evaporimeter wraps up graphite paper as required.
Refrigeration system with absorption refrigerator is an example below, and the concrete application that is used for the condenser and the evaporimeter of refrigeration system provided by the invention is described.Fig. 6 is condenser provided by the invention and the schematic diagram of evaporator application in the absorption refrigerator refrigeration system, and the inert gas in this system adopts helium, and cold-producing medium adopts ammonia, and absorbent adopts water.
Helium enters evaporimeter 606 by the balance pipe on fluid reservoir 609 tops, arrives fluid reservoir 609 by evaporimeter 606 by absorber 608 again and finishes circulation, the pressure that act as the balanced system cooling system of this circulation.
Ammonia spirit in the fluid reservoir 609 enters generator 601 after heating through solution heat exchanger 610; Ammonia spirit is heated to boiling in generator 601, along the tedge process separator 602 arrival rectifiers 603 on generator 601 tops; Ammonia spirit continues to rise to condenser 604 through the ammonia that forms after the rectifying in rectifier 603, isolated water then arrives solution heat exchanger 610 earlier and rises to absorber 608 again; By the ammonia of rectifier 603 arrival condensers 604, the graphite paper 605 that wraps up by condenser 604 outer surfaces dispels the heat to the refrigeration system outside, thereby is condensed into ammoniacal liquor; The ammoniacal liquor that comes out from condenser 604 arrives evaporimeter 606, and the heat of vaporization of the graphite paper 607 absorption refrigeration device interiors by evaporimeter 606 outer surfaces parcel becomes ammonia, thereby makes the refrigeration plant internal temperature reduce the purpose that reaches cold scattering in refrigeration plant; The ammonia that comes out from evaporimeter 606 is absorber 608, and the water that is entered absorber 608 absorbs and forms ammonia spirit and flow back into fluid reservoir 609.
Secondly, introduce heat dissipating method and the cold scattering method that is used for refrigeration system provided by the invention.
The present invention is used for the heat dissipating method of refrigeration system, the condenser outer surface parcel graphite paper of this method in refrigeration system, this method also comprises: condenser, graphite paper by outer surface parcel is to the outside distribute heat of refrigeration system, and the gaseous refrigerant of input condenser is condensed into liquid refrigerant.
The present invention is used for the cold scattering method of refrigeration system, the evaporator external parcel graphite paper of this method in refrigeration system, this method also comprises: evaporimeter, graphite paper by outer surface parcel is from refrigeration plant absorbed inside heat, the liquid refrigeration of input evaporimeter and be gasificated into gaseous refrigerant.
Heat dissipating method and the cold scattering method that is used for refrigeration system provided by the invention, use the outer surface of graphite paper parcel condenser and evaporimeter, because graphite paper can well be fitted with the outer surface of condenser and evaporimeter, and possesses good heat-conducting, can accelerate the speed of condenser to the outside heat radiation of refrigeration system, and the speed of evaporimeter inner cold scattering of refrigeration plant under refrigeration system, thereby the refrigerating speed of quickening refrigeration system.On this basis, after using the outer surface parcel of graphite paper to condenser and evaporimeter, need not on condenser, to install fin, also need not outside evaporimeter, to install metal shell, the mode of operation simplification has also been saved the refrigeration system volume inside, and, reduced manufacturing cost because the cost of graphite paper is lower.
Same, consider that the quality of graphite paper is more crisp, can cover the film that is used to improve graphite paper intensity again at the outer surface of graphite paper.For example can select PVC plastic sheeting etc. for use.
Heat dissipating method and the cold scattering method that is used for refrigeration system provided by the invention also can combine application, be configured for the heat change method in the refrigeration system, Fig. 7 shows application the present invention and is used for the heat dissipating method of refrigeration system and the heat change method flow process of cold scattering method, before flow process begins, use condenser and evaporimeter in the graphite paper parcel refrigeration system, this flow process comprises:
Step 701: condenser, the graphite paper by outer surface parcel be to the outside distribute heat of refrigeration system, the gaseous refrigerant of input condenser is condensed into liquid refrigerant outputs to evaporimeter.
Step 702: evaporimeter, the graphite paper by outer surface parcel be from refrigeration plant absorbed inside heat, and the liquid refrigerant of condenser output is gasificated into gaseous refrigerant output.
In the heat exchange process of above-mentioned refrigeration system, also can be according to actual needs only to evaporimeter or condenser outer surface parcel graphite paper.When only to condenser outer surface parcel graphite paper, step 701 is constant, and in the step 702 evaporimeter not by graphite paper from refrigeration plant absorbed inside heat; When only to evaporator external parcel graphite paper, condenser does not dispel the heat to the refrigeration system outside by graphite paper in the step 701, and step 702 is constant.
In sum, more than be preferred embodiment of the present invention only, be not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1, a kind of condenser that is used for refrigeration system is characterized in that, this condenser outer surface has graphite paper, and condenser is condensed into liquid refrigerant output by this graphite paper distribute heat with the gaseous refrigerant of importing condenser.
2, condenser as claimed in claim 1 is characterized in that, described graphite paper outer surface also has the film that is used to improve graphite paper intensity.
3, a kind of evaporimeter that is used for refrigeration system is characterized in that, this evaporator external has graphite paper, and evaporimeter absorbs heat by this graphite paper, and the liquid refrigerant of input evaporimeter is gasificated into gaseous refrigerant output.
4, evaporimeter as claimed in claim 3 is characterized in that, described graphite paper outer surface also has the film that is used to improve graphite paper intensity.
5, a kind of heat dissipating method that is used for refrigeration system is characterized in that, uses the condenser outer surface in the graphite paper parcel refrigeration system, and this method also comprises:
Condenser, the graphite paper by outer surface parcel be to the outside distribute heat of refrigeration system, and the gaseous refrigerant of input condenser is condensed into liquid refrigerant.
6, method as claimed in claim 5 is characterized in that, the outer surface of described graphite paper also is coated with the film that is used to improve graphite paper intensity.
7, a kind of cold scattering method that is used for refrigeration system is characterized in that, uses the evaporator external in the graphite paper parcel refrigeration system, and this method also comprises:
Evaporimeter, the graphite paper by the outer surface parcel refrigeration plant absorbed inside heat under the refrigeration system, the liquid refrigerant of input evaporimeter is gasificated into gaseous refrigerant.
8, method as claimed in claim 7 is characterized in that, the outer surface of described graphite paper also is coated with the film that is used to improve graphite paper intensity.
CN200710099985A 2007-06-01 2007-06-01 Condenser, evaporator, cooling method and heating method in refrigerating system Expired - Fee Related CN100580343C (en)

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CN100580343C CN100580343C (en) 2010-01-13

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101871635A (en) * 2010-06-23 2010-10-27 浙江晶皓光电科技有限公司 Heat-conducting medium for LED lamps and manufacturing method thereof
CN103438622A (en) * 2013-08-29 2013-12-11 广东奥马电器股份有限公司 Refrigerator condenser and refrigerator
CN115962587A (en) * 2023-03-16 2023-04-14 安徽普泛能源技术有限公司 Evaporator assembly for increasing circulation volume of secondary refrigerant and refrigeration cycle system thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1101923C (en) * 1996-12-27 2003-02-19 Lg电子株式会社 Fin-tube integral type heat exchanger
US6749010B2 (en) * 2002-06-28 2004-06-15 Advanced Energy Technology Inc. Composite heat sink with metal base and graphite fins
CN2888358Y (en) * 2006-01-27 2007-04-11 海尔集团公司 Absorption type refrigerating system and refrigerating device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101871635A (en) * 2010-06-23 2010-10-27 浙江晶皓光电科技有限公司 Heat-conducting medium for LED lamps and manufacturing method thereof
CN103438622A (en) * 2013-08-29 2013-12-11 广东奥马电器股份有限公司 Refrigerator condenser and refrigerator
CN115962587A (en) * 2023-03-16 2023-04-14 安徽普泛能源技术有限公司 Evaporator assembly for increasing circulation volume of secondary refrigerant and refrigeration cycle system thereof

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