CN1161438A - Evaporation and adsorption arrangement for absorption refrigerating machine - Google Patents
Evaporation and adsorption arrangement for absorption refrigerating machine Download PDFInfo
- Publication number
- CN1161438A CN1161438A CN96117779A CN96117779A CN1161438A CN 1161438 A CN1161438 A CN 1161438A CN 96117779 A CN96117779 A CN 96117779A CN 96117779 A CN96117779 A CN 96117779A CN 1161438 A CN1161438 A CN 1161438A
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- China
- Prior art keywords
- absorber
- evaporimeter
- cooling water
- water pipe
- group
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- 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
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- 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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- Sorption Type Refrigeration Machines (AREA)
Abstract
The characteristic of the invented device lies in that an evaporator is put in the central position of the vacuum container. Two sets of absorber are set separately at right and left sides of the evaporator. Under the evaporator as well as the left and right absorbers, three liquid containers are set separately, the output pipe of each liquid container is connected to a water pump. Owing to that two sets of absorber are separately set at two sides of the evaporator to shorten the vapor circuit, the distance between evaporation and absoption is even more short, so the heat exchange function is more sufficient, and the refrigeration result is more better.
Description
The present invention relates to a kind of absorption refrigeration unit, especially the evaporating and absorbing unit in the absorption refrigeration unit.
Existing evaporation and adsorption arrangement for absorption refrigerating machine (shown in figure one), its structure are that the side in a low pressure vessel is provided with the evaporimeter that is made of cold water pipe and water as refrigerant spray equipment, and the cold water pipe in the evaporimeter leads to the indoor circulation refrigeration; Opposite side is provided with the absorber that is made of cooling water pipe and lithium-bromide solution spray equipment, and the cooling water pipe in the absorber leads to outdoor cooling tower.When refrigeration machine is worked, because water boiling temperature under low pressure is very low, can reach about 3 ℃, so the water as refrigerant of evaporimeter sprays just evaporation tempestuously on the cold water pipe, take away the heat on the cold water pipe; And the intrinsic characteristic of absorber bromize lithium concentrated solution is to absorb moisture content in large quantities, so the bromize lithium concentrated solution of absorber sprays and also absorb water vapour on the cooling water pipe rapidly tempestuously, and release heat has been diluted dense lithium-bromide solution.From the whole process that is evaporated to absorption, formed a pressure difference in the low pressure vessel, make evaporimeter to producing one very strong water vapour stream between the absorber.This strand water vapour stream is replaced water as refrigerant from cold water pipe heat brings to absorber in a large number, and the cooling water in the absorber water pipe is discharged heat outside the refrigeration machine in a large number, and the commentaries on classics of not stopping transport has so again and again reached the purpose that reduces indoor air temperature.
Evaporimeter in the existing Absorption Refrigerator becomes folk prescription to arrangement with absorber, so long flow path of water vapour, evaporation and absorption are all insufficient, especially leave the cryogen water pipe and the cold water pipe place of healing far away in the low pressure vessel center, the working surface of heat of vaporization or absorption is not all brought into play heat exchange function fully.Therefore existing evaporating and absorbing unit heat exchanger efficiency is limited, and thermal efficiency is than desirable not enough.
The objective of the invention is to, the flow process that shortens the water vapour evaporation as far as possible and absorb makes full use of the heat absorption exchange capability of heat that water vapour evaporates, for absorbing type refrigeration air-conditioning system provides a kind of thermal efficiency than high absorption plant.
For achieving the above object, technical scheme of the present invention is: a kind of evaporation and adsorption arrangement for absorption refrigerating machine, it is to be provided with one group of evaporimeter in the center of low pressure vessel, the both sides of evaporimeter respectively are provided with one group of absorber, evaporimeter, absorber following has 1 solution container respectively, and the output channel of each solution container all is connected to water pump.Evaporimeter has two groups of water as refrigerant spray heads and one group of cold water pipe, and cold water pipe leads to indoor circulation refrigeration water pipe, and one group of spray head is connected with cold doubtful device, and another group spray head is connected by the middle water as refrigerant container in water pump and low pressure vessel bottom.The absorber on the right side is made up of one group of spray head and one group of cooling water pipe, and spray head is connected by the middle concentration lithium bromide container of water pump with bottom, the low pressure vessel left side.The absorber on the left side also is made up of one group of spray head and one group of cooling water pipe, spray head is connected with dense lithium bromide container by water pump, its cooling water pipe is in series with the cooling water pipe of cold doubtful device cooling water pipe and right absorber and is communicated with, cooling water enters from right absorber, discharges behind condenser through left absorber successively again.
Because such scheme is provided with absorber in the left and right sides of evaporimeter, the water vapour flow process is shortened, evaporation and the distance that absorbs are nearer, have strengthened the usefulness that evaporation absorbs.In addition, because the higher dense lithium-bromide solution middle concentrated solution lower with diluting the back temperature of temperature divided left and right sides spray,, make that the surface evaporation pressure of both sides absorber is close because the difference of temperature and the difference of concentration match.Improved assimilation effect, reduced concentrated amount, saved the energy, improved the thermal efficiency ratio, its economic benefit and social benefit all are tangible.
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the absorption refrigeration air-condition principle figure of prior art.
Fig. 2 is an evaporating and absorbing unit schematic diagram of the present invention.
As shown in Figure 2, the evaporating and absorbing unit in the absorption refrigeration machine host low pressure vessel 21 is made up of evaporimeter 10, right absorber 12, left absorber 9.Heating tube 1 in the low pressure generator 3 has heated rare lithium-bromide solution, it is thickened, the dope that flows out is by heat exchanger 8 coolings, deliver to left absorber 9 sprays by water pump 18, the dope that is ejected absorbs water vapour in the evaporimeter 10 on every side tempestuously at cooling tube (37～40 ℃), and the liquid that falls becomes the lithium-bromide solution of intermediate concentration; Pump 11 is delivered to right absorber 12 with the lithium-bromide solution of intermediate concentration, the lithium-bromide solution spray of intermediate concentration at cooling tube (32～37 ℃) on every side, absorb the water vapour in the evaporimeter 10 again tempestuously, the liquid that falls becomes rare lithium-bromide solution, thin liquid arrives low pressure generator 3 and concentrates after sending into heat exchanger 8 heating by pump 13.Finished the absorption circulation of lithium-bromide solution.
After lithium-bromide solution in the low pressure generator 3 is heated pipe 1 heating, the water vapour that produces is subjected to the low-pressure suction of next door condenser 14, water vapour is cooled and becomes water as refrigerant after the water pipe condensation, by 15 throttlings of U type pipe, arriving evaporimeter 10 sprays on the cold water pipe, be connected with evaporation rapidly on the water pipe surface of cold water, taking away a large amount of heats that come from the displacement of indoor circulation refrigeration system in the cold water pipe, cold water pipe is cooled.The water that spray is fallen is delivered on another spray head of evaporimeter with pump 16 again and is carried out circulated sprinkling, and the rare lithium-bromide solution in the bottom solution container of the low pressure vessel right side pushes back the vaporization cycle of having finished water as refrigerant in the low pressure generator again by water pump 13.
Cold water pipe in the evaporimeter 10 is external to indoor cycle refrigeration system, and the heat in the room air constantly passes on the cold water pipe of evaporimeter 10 by the cycle refrigeration system of being made up of water pump 17 and cold-exchange 19, is constantly taken away by the water vapour of evaporimeter 10 again.Finished kind of refrigeration cycle.
Cooling water (14～32 ℃) is introduced into right absorber 12, absorbed the heat of solution that middle concentration lithium-bromide solution suction back produces, enter left absorber 9 again, absorb the heat of solution that dense lithium-bromide solution suction produces, cooling water enters the heat that condensation chamber 14 absorbs water vapour more then, make water vapour be cooled to water, drain into cooling tower at last, finished cool cycles.
When Absorption Refrigerator was worked, the spray head of evaporimeter top began to spray water as refrigerant, when water as refrigerant sprays just evaporation tempestuously rapidly on the cold water pipe, had taken away a large amount of heats that transmit from the indoor circulation refrigeration system in the cold water pipe.About the spray head of two absorbers tops spray out dense or in dense lithium-bromide solution, this solution just absorbs water vapour in large quantities, water vapour is condensed into water and discharges a large amount of heats.About cooling water pipe in two absorbers heat be transmitted to rapidly in the cooling water taken out of outside the refrigeration machine.Structure of the present invention, make evaporimeter to about formed a pressure difference, two strands of powerful vapor streams about having produced between two groups of absorbers.These two strands of water vapour streams bring out water as refrigerant from cold water pipe heat fully and promptly passes to absorber, so its refrigeration usefulness is very high.
Claims (5)
1, a kind of evaporation and adsorption arrangement for absorption refrigerating machine, it by low pressure vessel, low pressure generator, condenser,
Compositions such as evaporimeter, absorber, solution container, it is characterized in that: evaporimeter places low pressure vessel
The center, absorber is divided into two groups of both sides that are arranged on evaporimeter, evaporimeter and two absorbers
The below solution container is respectively arranged, each solution container output channel all is connected to water pump; Right absorber,
Left side absorber becomes series connection logical with cooling water pipe in the condenser successively.
2, evaporating and absorbing unit according to claim 1 is characterized in that: evaporimeter is by two groups of sprays
Head and one group of cold water pipe are formed.
3, evaporating and absorbing unit according to claim 1 is characterized in that: right absorber is by one group of spray
Drench head and one group of cooling water pipe composition.
4, evaporating and absorbing unit according to claim 1 is characterized in that: left absorber is by one group of spray
Drench head and one group of cooling water pipe composition.
5, evaporating and absorbing unit according to claim 1 is characterized in that: on the right absorber cooling water
Portion's outlet conduit connects left absorber cooling water bottom inlet channel, left absorber cooling water top water outlet
Pipeline connects condenser cooling water bottom inlet channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96117779A CN1161438A (en) | 1996-11-14 | 1996-11-14 | Evaporation and adsorption arrangement for absorption refrigerating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96117779A CN1161438A (en) | 1996-11-14 | 1996-11-14 | Evaporation and adsorption arrangement for absorption refrigerating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1161438A true CN1161438A (en) | 1997-10-08 |
Family
ID=5124600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96117779A Pending CN1161438A (en) | 1996-11-14 | 1996-11-14 | Evaporation and adsorption arrangement for absorption refrigerating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1161438A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155812A (en) * | 2011-05-03 | 2011-08-17 | 大连三洋制冷有限公司 | Lithium bromide absorption heat pump set used in field for recycling low temperature waste heat |
-
1996
- 1996-11-14 CN CN96117779A patent/CN1161438A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155812A (en) * | 2011-05-03 | 2011-08-17 | 大连三洋制冷有限公司 | Lithium bromide absorption heat pump set used in field for recycling low temperature waste heat |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |