CN109140818A - Lithium bromide unit and air conditioning system - Google Patents

Lithium bromide unit and air conditioning system Download PDF

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Publication number
CN109140818A
CN109140818A CN201811109469.3A CN201811109469A CN109140818A CN 109140818 A CN109140818 A CN 109140818A CN 201811109469 A CN201811109469 A CN 201811109469A CN 109140818 A CN109140818 A CN 109140818A
Authority
CN
China
Prior art keywords
lithium bromide
partition
bromide chiller
generator
condenser
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811109469.3A
Other languages
Chinese (zh)
Inventor
董小林
宋海川
刘静楠
梁飞拓
杨林宽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201811109469.3A priority Critical patent/CN109140818A/en
Publication of CN109140818A publication Critical patent/CN109140818A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B15/00Sorption machines, plants or systems, operating continuously, e.g. absorption type
    • F25B15/02Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
    • F25B15/06Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0014Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using absorption or desorption
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Combustion & Propulsion (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Abstract

The invention provides a lithium bromide unit and an air conditioning system. The lithium bromide unit comprises a condenser, a generator and an isolation assembly, wherein the isolation assembly is arranged between the condenser and the generator and forms an isolation channel for water vapor to pass through, and a liquid baffle plate for blocking liquid drops to pass through is arranged in the isolation channel. The lithium bromide unit can avoid refrigerant pollution.

Description

Lithium bromide chiller and air-conditioning system
Technical field
The present invention relates to apparatus of air conditioning fields, in particular to a kind of lithium bromide chiller and air-conditioning system.
Background technique
Lithium bromide chiller has the characteristics that moving component is few, failure rate is low as a kind of environment protection type air conditioner unit.Moreover, Lithium bromide machine can make full use of industrial waste heat waste heat, can with the effectively save energy, so as to alleviating problem of environmental pollution.
But in the prior art, the Structural Design Requirement of lithium bromide chiller is high, for example, unit vacuum level requirements are high, component Installation accuracy requires height, and welding quality requires high.Otherwise the problem of being easy to happen cryogen pollution.For example, absorbent passes through respectively Kind mode, such as permeate, reveal, entering in cryogen with liquid, cryogen is polluted, once the problem of generation cryogen pollutes, gently Then unit operation efficiency reduces, and heavy then unit completely loses cooling and warming ability.Therefore, a kind of reliable gear liquid mode is for bromine Change lithium-absorbing formula unit to have great importance.
Summary of the invention
The present invention is intended to provide a kind of lithium bromide chiller and air-conditioning system, to solve lithium bromide chiller in the prior art The problem of cryogen is easily contaminated.
The present invention provides a kind of lithium bromide chiller, lithium bromide chiller includes condenser, generator and barrier assembly, isolation Component is arranged between condenser and generator, and forms the channel isolation passed through for vapor, is provided with resistance in channel isolation The liquid barrier that gear drop passes through.
Optionally, barrier assembly further includes first partition and second partition, and the top of generator is arranged in first partition, the The lower part of condenser is arranged in two partitions, and first partition and second partition form channel isolation.
Optionally, liquid barrier is connected between first partition and second partition, and the one of the close first partition of liquid barrier The height at end is higher than the height close to one end of second partition.
Optionally, first partition, second partition and liquid barrier are welded to connect.
Optionally, lithium bromide chiller further includes evaporator, and evaporator is connect by cryogen return pipe with condenser, in condenser The liquid refrigerant of condensation enters evaporator by cryogen return pipe.
Optionally, lithium bromide chiller further includes the first spray tube that cryogen is sprayed into evaporator, the setting of the first spray tube In evaporator.
Optionally, generator is additionally provided with the second spray tube of the spray-absorption liquid into generator, and the second spray tube is located at The top of generator, and first partition is arranged corresponding to the second spray tube.
Optionally, lithium bromide chiller further includes absorber, and the spray-absorption liquid into absorber is additionally provided in absorber Third spray tube, third spray tube are located at the top of absorber.
Optionally, lithium bromide chiller further includes First Heat Exchanger, the first heat exchanger channels of First Heat Exchanger respectively with setting The second spray tube in generator is connected with the bottom of absorber, the second heat exchanger channels and third spray tube of First Heat Exchanger It is connected with the bottom of generator.
According to another aspect of the present invention, a kind of air-conditioning system is provided comprising lithium bromide chiller above-mentioned.
Lithium bromide chiller according to the present invention and air-conditioning system, by between the condenser and generator of lithium bromide chiller Be arranged barrier assembly so that the gaseous state cryogen evaporated in generator can only be entered by channel isolation in condenser carry out it is cold It is solidifying.Due to being provided with liquid barrier in channel isolation, it can sufficiently stop the drop in gaseous state cryogen, therefore effectively prevent cold The case where agent band liquid, and then a possibility that pollution of lithium bromide chiller cryogen occurs is avoided, unit reliability of operation is improved, And reduce processing and design requirement.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of lithium bromide chiller according to the present invention.
Description of symbols:
10, condenser;20, generator;21, the second spray tube;31, liquid barrier;32, first partition;33, second partition; 40, evaporator;41, cryogen return pipe;43, the first spray tube;50, absorber;51, third spray tube;60, First Heat Exchanger.
Specific embodiment
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, according to an embodiment of the invention, lithium bromide chiller includes condenser 10, generator 20 and isolation group Part, barrier assembly are arranged between condenser 10 and generator 20, and form the channel isolation passed through for vapor, channel isolation Inside it is provided with the liquid barrier 31 for stopping drop to pass through.
By the way that barrier assembly is arranged between the condenser 10 and generator 20 of lithium bromide chiller, so that in generator 20 The gaseous state cryogen of evaporation can only be entered in condenser 10 by channel isolation to be condensed.Due to being provided with gear in channel isolation Liquid plate 31 can sufficiently stop the drop in gaseous state cryogen, therefore effectively prevent the case where cryogen is with liquid, and then avoid bromine Change a possibility that pollution of lithium unit cryogen occurs, improves unit reliability of operation, and reduce processing and design requirement.
Optionally, barrier assembly further includes first partition 32 and second partition 33, and first partition 32 is arranged in generator 20 Top, second partition 33 is arranged in the lower part of condenser 10, and first partition 32 and second partition 33 form channel isolation.
The liquid refrigerant that splashing can be effectively prevented since the top of generator 20 is arranged in for first partition 32 enters condensation In device 10.The lower part of condenser 10 is arranged in second partition 33, can play the role of separating generator 20 and condenser 10, prevent Only liquid refrigerant enters in condenser 10, and cryogen is caused to pollute.
Optionally, liquid barrier 31 is connected between first partition 32 and second partition 33, and close the first of liquid barrier 31 The height of one end of partition 32 is higher than the height close to one end of second partition 33.It, can be true since liquid barrier 31 is obliquely installed The cryogen for protecting liquid will not enter condenser 10, but can flow back into generator 20, further efficiently avoid cryogen Band liquid.
Optionally, in the present embodiment, first partition 32, second partition 33 and liquid barrier 31 are welded to connect, and are welded to connect Facilitate processing, and can guarantee it is seamless between first partition 32, second partition 33 and liquid barrier 31, it is possible to prevente effectively from cold Agent band liquid pollutes.
Certainly, in other embodiments, first partition 32, second partition 33 and liquid barrier 31 can add by other means Work, such as be integrally formed, cast etc..
In the present embodiment, lithium bromide chiller further includes evaporator 40, and evaporator 40 passes through cryogen return pipe 41 and condenser 10 connect, and the liquid refrigerant condensed in condenser 10 enters evaporator 40 by cryogen return pipe 41.Evaporator 40 is returned by cryogen Pipe 41 is connect with condenser 10, and the liquid refrigerant of condensation can be made to be steamed again by cryogen return pipe 41 into evaporator 40 Hair, to realize the circulation of lithium bromide chiller.
Preferably, lithium bromide chiller further includes the first spray tube 43 that cryogen is sprayed into evaporator 40, the first spray tube 43 are arranged in evaporator 40, spray after cryogen being made to be atomized by the first spray tube 43 of setting into evaporator 40, to increase Add heat exchange area and heat transfer effect.
Optionally, generator 20 is additionally provided with the second spray tube 21 of the spray-absorption liquid into generator 20, the second spray Pipe 21 is located at the top of generator 20, and first partition 32 is arranged corresponding to the second spray tube 21, and the second spray tube 21 can be right Atomizing spray is carried out into the weak solution in generator 20, to be lifted at the heat transfer effect in generator 20.
In addition, the second spray tube 21 is arranged corresponding to first partition 32, weak solution can be effectively avoided and splash into cold The problem of causing cryogen to pollute in condenser 10.
Optionally, the third spray tube 51 of the spray-absorption liquid into absorber 50, third spray are additionally provided in absorber 50 Shower pipe 51 is located at the top of absorber 50.By be arranged third spray tube 51 concentrated solution can be sprayed, make its sufficiently with The gas cryogen contact entered from evaporator 40, and form weak solution.
In the present embodiment, lithium bromide chiller further includes First Heat Exchanger 60, the first heat exchanger channels of First Heat Exchanger 60 It is connect with the bottom of the second spray tube 21 and absorber 50 that are arranged in generator 20, the second heat exchange of First Heat Exchanger 60 is logical The connection in road and 20 bottom of third spray tube 51 and generator.
Concentrated solution can be made sufficiently to exchange heat with weak solution by the way that First Heat Exchanger 60 is arranged, from effective use heat, be promoted Efficiency.
The process run below in conjunction with attached drawing 1 to lithium bromide chiller is illustrated:
The refrigerant cycle process of lithium bromide absorption-type machine unit: cryogen is sprayed at the top of evaporator 40 by cryogenic fluid pump, In evaporator 40, cryogen evaporates into absorber 50, and due to the entrance of steam cryogen in absorber 50, absorbing liquid concentration becomes It is low, the weak solution of low concentration is formed, weak solution is got to by absorption pump and carries out heating reaction in generator 20.It is dilute molten after heated Liquid water evaporation generates vapor, and forms concentrated solution.Vapor, which enters the condensation of condenser 10 through liquid barrier 31, becomes condensed water (i.e. Liquid refrigerant), it is then refluxed for evaporator 40, completes refrigerant cycle.
During refrigerant cycle, especially refrigerant vapour easily occurs cold during the entrance condenser 10 of generator 20 It is the problem of agent steam zone liquid causes cryogen to pollute, low so as to cause unit capacity, so that completely lose cooling and warming ability.Cause This effectively prevents cryogen from polluting by setting barrier assembly.
According to another aspect of the present invention, a kind of air-conditioning system is provided comprising above-mentioned lithium bromide chiller.By in bromine Change and barrier assembly is set between the generator 20 and condenser 10 of lithium unit, enables the air-conditioning system with the lithium bromide chiller A possibility that pollution of lithium bromide chiller cryogen occurs is effectively reduced, improves operational reliability.
Lithium bromide chiller according to the present invention and air-conditioning system have the following technical effect that
First partition and second partition are set between generator and condenser, liquid barrier is tiltedly placed on to first partition and the Between two partitions, and guarantee welding quality using full weldering welding, while after the completion of welding in junction, guarantees that weld seam will not leak Liquid.It effectively prevents liquid refrigerant, solution etc. and causes cryogen to pollute into condenser.
First partition is arranged at the top of generator, when weak solution is sprayed at the top of generator, can effectively be prevented Only solution enters condenser by sputtering.
Second partition is arranged in condenser bottom, plays the role of separating generator and condenser.
Liquid barrier is tiltedly placed between first partition and second partition, and vapor enters condenser by liquid barrier and condenses.Gear Liquid plate effectively prevents vapor band liquid from entering condenser, to avoid the problem that cryogen pollution occurs.
The lithium bromide chiller has effectively cut off the approach that absorbent solution enters condenser by barrier assembly, effectively A possibility that preventing cryogen pollution to occur, to guarantee that unit is run steadily in the long term.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of lithium bromide chiller, which is characterized in that the lithium bromide chiller includes condenser (10), generator (20) and isolation Component, the barrier assembly are arranged between the condenser (10) and the generator (20), and are formed and passed through for vapor Channel isolation, the liquid barrier (31) for stopping drop to pass through is provided in the channel isolation.
2. lithium bromide chiller according to claim 1, which is characterized in that the barrier assembly further includes first partition (32) With second partition (33), the first partition (32) is arranged on the top of the generator (20), and the second partition (33) sets The lower part in the condenser (10) is set, the first partition (32) and the second partition (33) form the channel isolation.
3. lithium bromide chiller according to claim 2, which is characterized in that the liquid barrier (31) be connected to described first every Between plate (32) and second partition (33), and the height of one end close to the first partition (32) of the liquid barrier (31) is high Height in one end close to the second partition (33).
4. lithium bromide chiller according to claim 3, which is characterized in that the first partition (32), second partition (33) It is welded to connect with liquid barrier (31).
5. lithium bromide chiller according to claim 1, which is characterized in that the lithium bromide chiller further includes evaporator (40), the evaporator (40) is connect by cryogen return pipe (41) with the condenser (10), the liquid condensed in condenser (10) State cryogen enters the evaporator (40) by the cryogen return pipe (41).
6. lithium bromide chiller according to claim 5, which is characterized in that the lithium bromide chiller further includes to the evaporation The first spray tube (43) of spray cryogen in device (40), the first spray tube (43) setting is in the evaporator (40).
7. lithium bromide chiller according to claim 2, which is characterized in that the generator (20) is additionally provided with to the hair Second spray tube (21) of raw device (20) interior spray-absorption liquid, second spray tube (21) are located at the upper of the generator (20) Portion, and the first partition (32) is arranged corresponding to second spray tube (21).
8. lithium bromide chiller according to claim 7, which is characterized in that the lithium bromide chiller further includes absorber (50), the third spray tube (51) to the interior spray-absorption liquid of the absorber (50), institute are additionally provided in the absorber (50) State the top that third spray tube (51) are located at the absorber (50).
9. lithium bromide chiller according to claim 8, which is characterized in that the lithium bromide chiller further includes First Heat Exchanger (60), the first heat exchanger channels of the First Heat Exchanger (60) respectively with the second spray tube in the generator (20) is set (21) it is connected with the bottom of the absorber (50), the second heat exchanger channels of the First Heat Exchanger (60) and the third spray Pipe (51) is connected with the bottom of the generator (20).
10. a kind of air-conditioning system, which is characterized in that including lithium bromide chiller of any of claims 1-9.
CN201811109469.3A 2018-09-21 2018-09-21 Lithium bromide unit and air conditioning system Pending CN109140818A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811109469.3A CN109140818A (en) 2018-09-21 2018-09-21 Lithium bromide unit and air conditioning system

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Application Number Priority Date Filing Date Title
CN201811109469.3A CN109140818A (en) 2018-09-21 2018-09-21 Lithium bromide unit and air conditioning system

Publications (1)

Publication Number Publication Date
CN109140818A true CN109140818A (en) 2019-01-04

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CN201811109469.3A Pending CN109140818A (en) 2018-09-21 2018-09-21 Lithium bromide unit and air conditioning system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112178983A (en) * 2019-07-03 2021-01-05 珠海格力电器股份有限公司 Heat transfer pipe arrangement structure of refrigerant circulating equipment and refrigerant circulating equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3357202A (en) * 1966-01-18 1967-12-12 Trane Co Absorption refrigerating machine
US4246762A (en) * 1978-06-08 1981-01-27 Carrier Corporation Absorption refrigeration system
CN205192001U (en) * 2015-10-26 2016-04-27 珠海格力电器股份有限公司 Liquid baffle structure and lithium bromide unit
CN205227910U (en) * 2015-11-17 2016-05-11 珠海格力电器股份有限公司 Barrel for absorption type unit and absorption type unit
CN209431706U (en) * 2018-09-21 2019-09-24 珠海格力电器股份有限公司 Lithium bromide unit and air conditioning system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3357202A (en) * 1966-01-18 1967-12-12 Trane Co Absorption refrigerating machine
US4246762A (en) * 1978-06-08 1981-01-27 Carrier Corporation Absorption refrigeration system
CN205192001U (en) * 2015-10-26 2016-04-27 珠海格力电器股份有限公司 Liquid baffle structure and lithium bromide unit
CN205227910U (en) * 2015-11-17 2016-05-11 珠海格力电器股份有限公司 Barrel for absorption type unit and absorption type unit
CN209431706U (en) * 2018-09-21 2019-09-24 珠海格力电器股份有限公司 Lithium bromide unit and air conditioning system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112178983A (en) * 2019-07-03 2021-01-05 珠海格力电器股份有限公司 Heat transfer pipe arrangement structure of refrigerant circulating equipment and refrigerant circulating equipment
CN112178983B (en) * 2019-07-03 2021-09-14 珠海格力电器股份有限公司 Heat transfer pipe arrangement structure of refrigerant circulating equipment and refrigerant circulating equipment

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