CN1159547A - Heat-exchanger for regenerator-abserber in ammonia absorption type heating-cooling two-purpose air conditioner - Google Patents

Heat-exchanger for regenerator-abserber in ammonia absorption type heating-cooling two-purpose air conditioner Download PDF

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Publication number
CN1159547A
CN1159547A CN96120289A CN96120289A CN1159547A CN 1159547 A CN1159547 A CN 1159547A CN 96120289 A CN96120289 A CN 96120289A CN 96120289 A CN96120289 A CN 96120289A CN 1159547 A CN1159547 A CN 1159547A
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regenerator
absorber
gax
heat
mentioned
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CN96120289A
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Chinese (zh)
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CN1152220C (en
Inventor
庆益秀
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LG Electronics Inc
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LG Electronics Inc
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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
    • F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
    • F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
    • 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
    • F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
    • F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
    • F25B15/04—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being ammonia evaporated from aqueous solution
    • 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
    • F25B41/37—Capillary tubes
    • 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
    • F25B2315/00—Sorption refrigeration cycles or details thereof
    • F25B2315/002—Generator absorber heat exchanger [GAX]
    • 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
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62—Absorption based systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Abstract

The invention provides a heat exchanger of regenerator-absorber of ammonia absorption type cold-warm duel-purpose air conditioner, a hot tube utilizing reverse flow of capillarity is depended on to make work fluid perform circulation, thereby performing heat exchange between the absorber and the regenerator, no pumps are needed, thereby lowering manufacture cost and improving equipment performance. The invention is composed of a GAX regeneration part in the regenerator, an absorbing part in the absorber, a heat transfer part for transferring heat from the GAX absorbing part to the GAX regeneration part. The heat transfer part is a hot tube depending on capillarity.

Description

The heat exchanger of the regenerator-absorber of ammonia absorption type air conditioner for both cooling and heating machine
The present invention relates to the heat exchanger (GAX) of the regenerator-absorber of ammonia absorption type air conditioner for both cooling and heating machine, particularly, do not need outside driving force, the working fluid of the heat exchanger inside of regenerator-absorber is successfully circulated, when reducing heat loss, can carry out the heat exchanger of heat conducting regenerator-absorber rapidly.
The heat exchanger of the regenerator-absorber of ammonia absorption type air conditioner for both cooling and heating machine in the past and the formation of its peripheral components are as shown in Figure 1, constitute by following parts: from dense ammonia spirit (hereinafter referred to as strong solution) 11, refrigerant ammonia is evaporated, when obtaining refrigerant ammonia steam, by means of a part of ammonia of evaporation to be made into the regenerator 1 of the low ammonia spirit of concentration (below be referred to as weak solution); Above regenerator 1, form, make the refrigerant ammonia steam that is evaporated from above-mentioned regenerator 1 flow into the refrigerant steam effuser 9 that goes in the condenser; In regenerator 1, form, continue the weak solution coil pipe 3 that flows after the feasible weak solution that produces flows into again from above-mentioned regenerator 1; Make and to absorb to come out from evaporator evaporation from the weak solution of above-mentioned weak solution coil pipe 3 inflow absorbers, after the refrigerant ammonia steam by 10 inflows of refrigerant steam inflow pipe, when carrying out heat exchange, be made into the absorber 2 of the strong solution identical with original initial concentration in regenerator 1 with cooling water 12; The strong solution of making in above-mentioned absorber 2 accepts a part from the heat exchanger 4 of absorber and absorbs heat, after temperature rises, its flowed into go in regenerator 1, the solution pump 5 of the strong solution of pump pressure; Top in absorber forms, and by means of contact and absorb its heat with flowing through the weak solution that comes from above-mentioned regenerator 1, transmits heat and makes the GAX-absorber components 7 of temperature rising; In regenerator 1, form, carry out heat exchange, with the GAX-regenerator parts 6 of the temperature that improves strong solution with the strong solution that flows into regenerators 1 from above-mentioned absorber 2; Make the pump 8 that carries out shuttling movement at above-mentioned GAX-regenerator parts 6 and the working fluid of the inside of GAX-absorber components 7.
Below, the course of work of heat exchanger of the regenerator-absorber of ammonia absorption type air conditioner for both cooling and heating machine in the past is described.
Common ammonia absorption type air conditioner for both cooling and heating machine is made of four critical pieces: regenerator 1, condenser, evaporimeter and absorber 2, the heat exchanger of regenerator-absorber (GAX) is for the coefficient of performance (COP) that improves system, the absorption heat in the absorber 2 is delivered to the heat-exchanger rig that goes in the strong solution in the regenerator 1.
As shown in Figure 1, when adding heat in regenerator 1, the strong solution 11 in the regenerator 1 just produces refrigerant ammonia steam and becomes weak solution, and above-mentioned refrigerant ammonia steam is delivered to condenser by the refrigerant steam effuser 9 that forms on regenerator 1 top.
The weak solution that produces in regenerator 1, because proportion greater than strong solution, just drops to the bottom of regenerator 1, the weak solution after the decline flows into weak solution coil pipe 3, is transported in the absorber 2 and goes.
The refrigerant ammonia steam that evaporation back forms in evaporimeter is by being arranged on the refrigerant steam inflow pipe 10 of absorber 2 bottoms, in the inflow absorber 2.
The above-mentioned refrigerant ammonia steam that flows into by refrigerant steam inflow pipe 10 is absorbed by the weak solution on inflow absorber 2 tops, so, above-mentioned weak solution one side is carried out heat exchange with the cooling water that flows into, one side forms the strong solution with original same concentration in regenerator 1, accumulates in the bottom of absorber 2.
Accumulate in the pump pressure action of the strong solution of above-mentioned absorber 2 bottoms by means of pump 5, by heat exchanger 4, accept a part and absorb after the heat, temperature rises, and flows in the regenerator 1.
And, GAX-the absorber components 7 that forms on absorber 2 tops, with flow through regenerator 1 in weak solution coil pipe 3 and the weak solution in the inflow absorber 2 contact, when carrying out heat exchange, absorb its heat and the temperature rising, so, working fluid in regenerator-absorber heat exchanging device (GAX), pump pressure action by means of pump 8 circulates, carry out heat exchange by the GAX in regenerator 1-regenerator parts 6 and the strong solution that is transported to the regenerator 1 from absorber 2, the temperature of strong solution is risen.
At this moment because regenerator 1 and absorber 2 are mutual opposite in the thermograde of their length direction, for can make heat transfer between regenerator 1 and the absorber 2 more smooth for the purpose of, the structure of regenerator-absorber heat exchanging device (GAX) is ∞ shape.
; the heat exchanger of the regenerator-absorber of this ammonia absorption type air conditioner for both cooling and heating machine before; for the inner working fluid of regenerator-absorber heat exchanging device (GAX) can successfully be circulated; use pump; and want driving pump just must import electric power; like this, COP is descended with regard to having produced owing to import electric power to pump, and the problem of running cost rising.
In addition, also exist the problem that manufacturing cost is improved because will pump be set.
The heat exchanger that the purpose of this invention is to provide a kind of regenerator-absorber of ammonia absorption type air conditioner for both cooling and heating machine, it does not need outside power, the inner working fluid of regenerator one absorber heat exchanging device (GAX) is successfully circulated, when reducing heat loss, can also improve the speed of heat transfer.
In order to achieve the above object, the technical scheme of the heat exchanger of the regenerator-absorber of ammonia absorption type air conditioner for both cooling and heating machine of the present invention comprises following each parts: form in absorber, make the working fluid of heat exchanger inside become the GAX-absorption piece of steam condition from liquid condition, the working fluid of above-mentioned heat exchanger inside is by means of contacting be transported to the weak solution that absorber goes from regenerating device, and from the absorption heat absorption heat of absorber inside temperature is risen to become steam; By means of the steam that above-mentioned GAX-absorption piece caused, and be transported to the strong solution that goes the regenerating device from absorber and carry out heat exchange and the temperature of strong solution is risen, the GAX-remanufactured component that in regenerator, forms; And heat is delivered to the heat transfer component that goes GAX-remanufactured component from above-mentioned GAX-absorption piece.
Below, describe embodiments of the invention in detail with reference to accompanying drawing.In the accompanying drawing:
Fig. 1 is the structural map of heat exchanger (GAX) of the regenerator-absorber of ammonia absorption type air conditioner for both cooling and heating machine in the past;
Fig. 2 is the structural map according to the heat exchanger of the regenerator-absorber of ammonia absorption type air conditioner for both cooling and heating machine of the present invention.
The heat exchanger of the regenerator-absorber of ammonia absorption type air conditioner for both cooling and heating machine of the present invention and peripheral components thereof are as shown in Figure 2, it is made of following parts: from dense ammonia spirit (hereinafter referred to as strong solution) 111 refrigerant ammonia is evaporated, when obtaining refrigerant ammonia steam, by means of a part of ammonia of evaporation to be made into the regenerator 101 of the low ammonia spirit of concentration (below be referred to as weak solution); Above regenerator 101, form, make the refrigerant ammonia steam that is evaporated from above-mentioned regenerator 101 flow into the refrigerant steam effuser 109 that goes in the condenser; In regenerator 101, form, continue the weak solution coil pipe 103 that flows after the feasible weak solution that produces flows into again from above-mentioned regenerator 101; Make and to absorb to come out from evaporator evaporation from the weak solution of above-mentioned weak solution coil pipe 103 inflow absorbers, after the refrigerant ammonia steam by 110 inflows of refrigerant steam inflow pipe, when carrying out heat exchange, be made into the absorber 102 of the strong solution identical with original initial concentration in regenerator 101 with cooling water 112; The strong solution of making in above-mentioned absorber 102 accepts a part from the heat exchanger 104 of absorber and absorbs heat, after temperature rises, its flowed into go in regenerator 101, the solution pump 105 of the strong solution of pump pressure; Top in absorber forms, and by means of contact and absorb its heat with flowing through the weak solution that comes from above-mentioned regenerator 101, transmits heat and makes the GAX-absorber components 107 of temperature rising; In regenerator 101, form, carry out heat exchange, with the GAX-regenerator parts 106 of the temperature that improves strong solution with the strong solution that flows into regenerators 101 from above-mentioned absorber 102; Working fluid between above-mentioned GAX-regenerator parts 106 and GAX-absorber components 107 carries out heat conducting heat pipe 108 by means of capillarity.
This ammonia absorption type air conditioner for both cooling and heating machine of the present invention, as shown in Figure 2, the conduction of the absorption of absorber 102 inside heat is being given in this process of strong solution that flows in the regenerator 101, used do not need powered attendant-controlled wheelchairs, the heat pipe (Heat pipe) that heat transfer property is good.
At first, when adding heat in regenerator 101, the strong solution 111 of regenerator 101 inside has become weak solution after having produced refrigerant ammonia steam, above-mentioned refrigerant ammonia steam is delivered to condenser and is gone by the refrigerant steam effuser 109 on regenerator 101 tops.
The proportion of the weak solution that produces in above-mentioned regenerator 101 is greater than the proportion of strong solution, thereby just drops to the bottom of regenerator 101.Weak solution after descending flows into weak solution coil pipe 103, is transported in the absorber 102 and goes.
The refrigerant ammonia steam that evaporation back forms in evaporimeter is by being arranged on the refrigerant steam inflow pipe 110 of absorber 102 bottoms, in the inflow absorber 102.
Refrigerant ammonia steam by above-mentioned refrigerant steam inflow pipe 110 inflows, weak solution by inflow absorber 102 tops absorbs, the solution one side is carried out heat exchange with the cooling water 112 of inflow absorber 102 a little less than above-mentioned, become concentration and original identical strong solution in regenerator, one side accumulates in the bottom of absorber 102.
Accumulate in the strong solution of above-mentioned absorber 102 bottoms, by means of the pump pressure action of solution pump 105, absorbing heat by absorbing a part in the process of heat exchanger 104, temperature rises, and flows in the regenerator 101.
GAX-absorber components 107 that top in absorber 102 forms, with the weak solution coil pipe 103 that flows through in the regenerator 101 in and absorb heat in the weak solution contact process in the inflow absorber 102, carry out heat exchange and temperature is risen, so the working fluid in regenerator-absorber heat exchanging device (GAX) just flashes to steam condition from liquid state.
The above-mentioned steam that forms in GAX-absorber components 107 flows to the GAX in regenerator 101-regenerator parts, in absorber 102, carries out heat exchange by means of the pump pressure action of solution pump 105 and the strong solution of inflow regenerator 101.
At this moment, flow into the strong solution of regenerator 101, rise, make above-mentioned steam be condensed into liquid condition because of carrying out the heat exchange temperature with the steam that in GAX-regenerator parts 106, flows.
Above-mentioned condensed liquid thereby helps be arranged on the heart yearn on heat pipe 108 inwalls, relies on capillarity, flows in GAX-absorber components, by heat exchange, flashes to steam condition again.
Because the regenerator 101 of this moment is opposite (in absorber 102 with absorber 102 in the thermograde of length direction, temperature reduces to the bottom gradually from top, and in regenerator 101, temperature reduces to top gradually from the bottom), in order between absorber 102 and regenerator 101, successfully to carry out the heat conduction, the structure of the heat pipe 108 of regenerator-absorber heat exchanging device (GAX) is made the opposite structure of the flow direction with heat transfer medium (that is, strong solution and weak solution).
That is, the high-temperature part of absorber 102 is communicated with the high-temperature part of regenerator 101, and the low temperature of absorber 102 part partly is communicated with the low temperature of regenerator 101.
In sum, according to the present invention, because the heat pipe that produces capillarity is made the structure of reverse flow, make working fluid successfully to circulate in regenerator-absorber heat exchanging device inside, and pump needn't be set, thereby can reach the reduction manufacturing cost, improve COP, reduce the purpose of maintenance expense.

Claims (5)

1. the heat exchanger (GAX) of the regenerator-absorber of an ammonia absorption type air conditioner for both cooling and heating machine is characterized in that, it comprises following each parts:
In absorber, form, make the working fluid of heat exchanger inside become the GAX-absorption piece of steam condition from liquid condition, the working fluid of above-mentioned heat exchanger inside is by means of contacting be transported to the weak solution that absorber goes from regenerator, and from the absorption heat absorption heat of absorber inside temperature is risen to become steam;
The steam that is caused by means of above-mentioned GAX-absorption piece and is transported to the strong solution that goes the regenerator and carries out heat exchange and the temperature of strong solution is risen, the GAX-remanufactured component that forms in regenerator from absorber; And
Heat is delivered to the heat transfer component that goes the GAX-remanufactured component from above-mentioned GAX-absorption piece.
2. the heat exchanger (GAX) of the regenerator-absorber of ammonia absorption type air conditioner for both cooling and heating machine as claimed in claim 1, it is characterized in that, the GAX-absorber is formed at the top of above-mentioned GAX-absorption piece in absorber, by means of carrying out heat exchange, make the temperature of working fluid reduce gradually to the bottom from top with the weak solution that flows through from regenerator.
3. the heat exchanger (GAX) of the regenerator-absorber of ammonia absorption type air conditioner for both cooling and heating machine as claimed in claim 1, it is characterized in that, above-mentioned GAX-remanufactured component forms the GAX-regenerator in regenerator, in the GAX-absorber, carry out the steam heat exchange, the temperature that flows through the strong solution that comes from absorber is risen and evaporate, the temperature of working fluid is reduced to the bottom gradually from top.
4. the heat exchanger (GAX) of the regenerator-absorber of ammonia absorption type air conditioner for both cooling and heating machine as claimed in claim 1, it is characterized in that above-mentioned heat transfer component is that the working fluid that carries out heat exchange between GAX-absorber part and GAX-regenerator part carries out heat conducting heat pipe by means of capillarity.
5. the heat exchanger (GAX) of the regenerator-absorber of ammonia absorption type air conditioner for both cooling and heating machine as claimed in claim 4 is characterized in that above-mentioned heat pipe has the structure of reverse flow.
CNB961202890A 1995-11-02 1996-11-01 Heat-exchanger for regenerator-abserber in ammonia absorption type heating-cooling two-purpose air conditioner Expired - Fee Related CN1152220C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1019950039339A KR970028251A (en) 1995-11-02 1995-11-02 GAX of ammonia absorption type air conditioner
KR39339/1995 1995-11-02
KR39339/95 1995-11-02

Publications (2)

Publication Number Publication Date
CN1159547A true CN1159547A (en) 1997-09-17
CN1152220C CN1152220C (en) 2004-06-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNB961202890A Expired - Fee Related CN1152220C (en) 1995-11-02 1996-11-01 Heat-exchanger for regenerator-abserber in ammonia absorption type heating-cooling two-purpose air conditioner

Country Status (4)

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JP (1) JPH09138028A (en)
KR (1) KR970028251A (en)
CN (1) CN1152220C (en)
DE (1) DE19645422A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100450319C (en) * 2002-04-01 2009-01-07 松下电器产业株式会社 Heating and cooking device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05280820A (en) * 1992-03-30 1993-10-29 Daikin Ind Ltd Absorption refrigeration system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100450319C (en) * 2002-04-01 2009-01-07 松下电器产业株式会社 Heating and cooking device

Also Published As

Publication number Publication date
DE19645422A1 (en) 1997-05-28
CN1152220C (en) 2004-06-02
JPH09138028A (en) 1997-05-27
KR970028251A (en) 1997-06-24

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