KR950033336A - Absorber horizontal heat pipe of absorption air-conditioner - Google Patents

Absorber horizontal heat pipe of absorption air-conditioner Download PDF

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Publication number
KR950033336A
KR950033336A KR1019940010846A KR19940010846A KR950033336A KR 950033336 A KR950033336 A KR 950033336A KR 1019940010846 A KR1019940010846 A KR 1019940010846A KR 19940010846 A KR19940010846 A KR 19940010846A KR 950033336 A KR950033336 A KR 950033336A
Authority
KR
South Korea
Prior art keywords
heat pipe
horizontal heat
aqueous solution
liquid film
absorber
Prior art date
Application number
KR1019940010846A
Other languages
Korean (ko)
Other versions
KR0127235B1 (en
Inventor
강인석
Original Assignee
이헌조
엘지전자 주식회사
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.)
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Publication date
Application filed by 이헌조, 엘지전자 주식회사 filed Critical 이헌조
Priority to KR1019940010846A priority Critical patent/KR0127235B1/en
Publication of KR950033336A publication Critical patent/KR950033336A/en
Application granted granted Critical
Publication of KR0127235B1 publication Critical patent/KR0127235B1/en

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Classifications

    • 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
    • F25B37/00—Absorbers; Adsorbers
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/09—Improving heat transfers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

본 발명은 흡수식 냉난방기의 흡수기 수평 전열관에 관한 것으로, 종래에는 LiBr 수용액이 물에 비해 표면장력이 약 1.3 배정도 크기 때문에 수평관을 거칠수록 액막이 불균일해지고, 액막이 폭이 좁아지게 되며, 액막의 두께 또한 두꺼워지게 됨으로써 LiBr 수용액과 냉매증기와의 접촉면이 줄어들게 되어 흡수율이 저하될 뿐 아니라 수평 전열관과의 접촉면적 및 시간이 감소되어 전열특성이 저하되는 문제점이 있었는 바, 수평 전열관(2′)의 하단부에 액막형성용 홈(11)을, 상단부에 흡수제 분산용 홈(12)을 각각 형성한 본 발명을 제공하여 상기 흡수제 분산용 홈에 의해서 수평 전열관의 상단부에서 초기의 균일한 분산상태를 얻을 수 있고, LiBr 수용액의 유하속도를 지연시킬 수 있어 충분한 전열 시간을 얻을 수 있으며, 상기 액막형성용 홈에 의해서는 LiBr 수용액이 수평 전열관의 측면을 흘러 하단부에 이를 때 모세관 현상의 원리를 이용하여 수평 전열관의 전역에 걸쳐 LiBr 수용액막을 넓게 분포시켜 폭이 넓고, 두께가 얇은 이상적인 액막을 형성시켜 주게 됨으로써 열 및 물질의 전달성능의 저하를 방지하도록 한 것이다.The present invention relates to an absorber horizontal heat pipe of the absorption air-conditioner, and conventionally, because LiBr aqueous solution is about 1.3 times larger in surface tension than water, the liquid film becomes non-uniform as the horizontal tube passes, and the liquid film becomes narrower. As a result, the contact surface between the LiBr aqueous solution and the refrigerant vapor is reduced, so that the absorption rate is lowered, and the contact area and time with the horizontal heat pipe are reduced, thereby reducing the heat transfer characteristics. The liquid film at the lower end of the horizontal heat pipe 2 ' The present invention in which the forming grooves 11 are formed with the absorbent dispersion grooves 12 at the upper end, respectively, provides an initial uniform dispersion state at the upper end of the horizontal heat pipe by the absorber dispersion grooves. The flow rate of the aqueous solution can be delayed, so that sufficient heat transfer time can be obtained. When the LiBr aqueous solution flows through the side of the horizontal heat pipe and reaches the bottom, the LiBr aqueous solution film is widely distributed throughout the horizontal heat pipe using the principle of capillary phenomenon to form an ideal liquid film having a wide and thin thickness. It is to prevent the degradation of the transmission performance.

Description

흡수식 냉난방기의 흡수기 수평전열관Absorber horizontal heat pipe of absorption air-conditioner

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 종래 흡수식 냉난방기의 수평 전열관의 종단면도, 제3도는 종래 흡수식 냉난방기의 수평 전열관에서의 액막형성 상태도.FIG. 2 is a longitudinal sectional view of a horizontal heat pipe of a conventional absorption air conditioner, and FIG. 3 is a state of liquid film formation in a horizontal heat pipe of a conventional absorption air conditioner.

Claims (2)

수평관 흡수기를 갖는 흡수식 냉난방기에 있어서, 수평 전열관의 하단에 흡수제의 유하시 흡수제가 모세관현상을 유발시켜 액막을 넓게 형성하도록 하는 액막형성용 홈을 형성한 것을 특징으로 하는 흡수식 냉난방기의 흡수기 수평 전열관.An absorption type air conditioner having a horizontal tube absorber, wherein the absorber horizontal heat transfer tube is formed at a lower end of the horizontal heat pipe to form a liquid film forming groove in which a water absorbent in the presence of the absorber causes a capillary phenomenon to form a wide liquid film. 제1항에 있어서, 상기 수평 전열관의 상단에는 흡수제의 유하시 흡수제가 지연 및 트레이 분산방식의 원리에 의해 액막을 넓게 분산시키도록 하는 흡수제 분산용 홈이 형성된 것을 특징으로 하는 흡수식 냉난방기의 흡수기 수평 전열관.The absorber horizontal heat exchanger of claim 1, wherein an absorbent dispersion groove is formed at an upper end of the horizontal heat transfer tube so that the absorbent in the presence of the absorber disperses the liquid film widely according to the principle of delay and tray dispersion. . ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940010846A 1994-05-17 1994-05-17 Absorber horiztontal heat conduction pipe of absorption cooler and heater KR0127235B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940010846A KR0127235B1 (en) 1994-05-17 1994-05-17 Absorber horiztontal heat conduction pipe of absorption cooler and heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940010846A KR0127235B1 (en) 1994-05-17 1994-05-17 Absorber horiztontal heat conduction pipe of absorption cooler and heater

Publications (2)

Publication Number Publication Date
KR950033336A true KR950033336A (en) 1995-12-22
KR0127235B1 KR0127235B1 (en) 1998-04-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940010846A KR0127235B1 (en) 1994-05-17 1994-05-17 Absorber horiztontal heat conduction pipe of absorption cooler and heater

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* Cited by examiner, † Cited by third party
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KR0127235B1 (en) 1998-04-03

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