WO2004027327A1 - 空冷吸収式冷凍装置 - Google Patents
空冷吸収式冷凍装置 Download PDFInfo
- Publication number
- WO2004027327A1 WO2004027327A1 PCT/JP2003/012038 JP0312038W WO2004027327A1 WO 2004027327 A1 WO2004027327 A1 WO 2004027327A1 JP 0312038 W JP0312038 W JP 0312038W WO 2004027327 A1 WO2004027327 A1 WO 2004027327A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- air
- cooled
- absorbers
- evaporator
- machine room
- Prior art date
Links
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
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/008—Sorption machines, plants or systems, operating continuously, e.g. absorption type with multi-stage operation
-
- 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
- F25B35/00—Boiler-absorbers, i.e. boilers usable for absorption or adsorption
-
- 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
-
- 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
Definitions
- the present invention relates to an air-cooled absorption refrigeration apparatus.
- air inlets are formed on three sides of a cubic-shaped device body, and two air-cooled absorbers and one air-cooled condenser are arranged in correspondence with them. In addition, some have a fan arranged above the center. With this configuration, the heat transfer area of the air-cooled absorber and the air-cooled condenser is ensured as wide as possible (see, for example, Japanese Patent Application Laid-Open No. 1-258688).
- the size of the main body of the refrigeration system may increase.
- the present invention has been made in view of the above points, and has a machine room and an air-cooled heat exchange unit which are continuously installed in a longitudinal direction, thereby providing a suction space and a memory space when connected and used.
- the purpose is to ensure that the installation space, including the maintenance space, can be reduced in size and that the weight balance can be ensured. Disclosure of the invention
- the air-cooled absorber A is configured by being divided into upper and lower two stages, while the evaporator E is configured so as to correspond to each of the divided air-cooled absorbers A 1 and A 2. It is intended for an air-cooled two-stage air-cooled absorption refrigeration system that is divided into stages and configured to flow the secondary heat medium Y from the lower evaporator E2 to the upper evaporator E.
- a machine room 2 including a high-temperature regenerator G 2 , a low-temperature regenerator, and a heat exchanger B for heating is provided at a central portion in the longitudinal direction of the apparatus main body 1.
- air-cooling absorbers A 1 and A 2 disposed on two surfaces that are orthogonal to the partition wall of the machine room 2 and opposed to each other.
- An air-cooled condenser C arranged between the lower ends of the air-cooled absorbers A, A such that the air suction surface is located below the absorbers A, A, and a fan arranged above the air-cooled absorbers A, A
- An air-cooled heat exchange unit 3 is provided, which includes an air-cooled heat exchange unit X made of F and an evaporator E arranged substantially at the center between the air-cooled absorbers A, A.
- the evaporator E is disposed so that its longitudinal direction is parallel to the suction surfaces of the air-cooled absorbers A, A.
- the air-cooled condenser C is arranged in an inverted V-shape in a vertical cross section with a central portion being high and both side portions being low.
- the air-cooled heat exchangers 3 and 3 are located on both sides of the machine room 2, so that the overall weight balance is improved and the transportation and installation workability is greatly improved. .
- the maintenance space S1 of the machine room 2 and the suction space S2 of the air-cooling heat exchange section 3 can be made in the same direction, it is easy to secure the maintenance space S1. Also, the suction space S2 and the maintenance space S1 can be easily secured.
- the suction air W from the fan F passes through the air-cooled absorbers A and A and the air-cooled condenser C, and is blown upward through flow paths formed on both sides of the evaporator E. Since the evaporator E is arranged so that its longitudinal direction is parallel to the suction surface of the air-cooled absorbers A and A, the evaporator E can be installed in the air-cooled absorbers A and A and the air-cooled condenser C while keeping the installation area small. A large heat radiation area can be secured, and the air resistance can be reduced.
- the evaporator E can be disposed by utilizing the dead space between the air-cooled absorbers A, A, the size of the device can be reduced.
- the heat radiation area of the air-cooled condenser C can be increased, and the installation area can be reduced.
- the second invention of the present application is the air-cooled absorption refrigeration apparatus according to the first invention, wherein the air-cooled heat exchange section 3 is modularized so as to be separable, and a plurality of air-cooled heat exchange sections 3, 3 are provided for the machine room 2. .. Can be connected.
- Ri Do is possible to perform series designed to increase the capacity of the air-cooled heat exchange unit 3 easily, it is easy to secure the suction space S 2 and the maintenance space S in that case.
- a plurality of unit structures Z each including the machine room 2 and the air-cooled heat exchange section 3 may be connected. It can. If the I 'configured urchin, even when the unit configuration body Z for large capacity in communication plurality, the suction space S 2 and the maintenance space S 1 can be easily ensured.
- the air-cooled absorber A is configured by being divided into upper and lower two stages, while the evaporator E is configured so as to correspond to each of the divided air-cooled absorbers A 1 and A 2.
- the absorption refrigerating apparatus constructed the cooled two-stage to flow secondary heat medium Y to the upper side of the evaporator E from the evaporator E 2 of the lower side, of the apparatus main body 1
- a machine room 2 provided with a high-temperature regenerator G 2 , a low-temperature regenerator G 1, and a heat exchanger B for heating is provided at a central portion in the longitudinal direction, and on both sides in the longitudinal direction of the machine room 2, a partition wall of the machine room 2 is provided.
- Air-cooled absorbers A, A which are arranged on two opposing surfaces orthogonal to each other, and are arranged between the lower ends of the air-cooled absorbers A, A such that the air suction surface is below the air-cooled absorbers A, A.
- An air-cooling heat exchange unit X comprising a cooling condenser C and a fan F arranged above the air-cooling absorbers A, A; and an evaporator E arranged at a substantially central portion between the air-cooling absorbers A, A.
- the air-cooled heat exchangers 3 and 3 are provided on both sides of the machine room 2, respectively.
- the suction air W from the fan F passes through the air-cooled absorbers A, A and the air-cooled condenser C, and then is blown upward through flow paths formed on both sides of the evaporator E. Since E is arranged so that its longitudinal direction is parallel to the suction surface of the air-cooled absorbers A and A, the heat-dissipation area of the air-cooled absorbers A and A and the air-cooled condenser C is increased while keeping the installation area small. As well as reducing air resistance.
- the evaporator E can be disposed by utilizing the dead space between the air-cooled absorbers A, A, the size of the device can be reduced.
- the heat radiation area of the air-cooled condenser C can be increased, and the installation area can be reduced.
- the second invention of the present application is the air-cooled absorption refrigeration apparatus according to the first invention, wherein the air-cooled heat exchange section 3 is modularized so as to be separable, and a plurality of air-cooled heat exchange sections 3, 3 are provided for the machine room 2. .. Can be connected.
- Series Design I increase the capacity of the air-cooled heat exchange unit 3: It becomes possible to perform easily, that Do also facilitates securing of the suction space S 2 and the maintenance space S in that case .
- a plurality of unit structural bodies Z each including the machine room 2 and the air-cooled heat exchange section 3 are connected.
- the suction space S 2 and the maintenance space S 1 can be easily ensured.
- FIG. 1 is a perspective view showing a configuration of an air-cooled absorption refrigeration apparatus according to a first embodiment of the present invention.
- FIG. 2 is a longitudinal sectional view of the air-cooled absorption refrigeration apparatus according to the first embodiment of the present invention.
- FIG. 3 is a plan view schematically showing an air-cooled absorption refrigeration apparatus according to the first embodiment of the present invention.
- FIG. 4 is a plan view schematically showing a configuration in which a plurality of air-cooled absorption refrigeration apparatuses according to the first embodiment of the present invention are connected.
- FIG. 5 is a plan view schematically showing a large-capacity air-cooled absorption refrigeration apparatus according to the first embodiment of the present invention.
- FIG. 6 is an operational cycle diagram of the air-cooled absorption refrigeration apparatus according to the first embodiment of the present invention.
- the air-cooling absorption refrigeration apparatus has a machine room 2 located at the center in the longitudinal direction of a device body 1 having a substantially rectangular parallelepiped shape, and vacancies provided on both longitudinal sides of the machine room 2. Cooling and heat exchange sections 3 and 3 are provided.
- the machine room 2 the high-temperature regenerator G 2 located in the lower part at one side of the apparatus main body 1
- a low temperature regenerator G 1 located on the upper, located above stage in another side of the apparatus main body 1
- Heating heat exchanger B is provided.
- a partition wall is provided between the machine room 2 and the air-cooled heat exchange sections 3 and 3. This makes it possible to easily perform maintenance on the devices (for example, the high-temperature regenerator G 2 ) provided in the machine room 2 from the side of the device main body 1.
- each of the air-cooled heat exchange units 3 includes an air-cooled heat exchange unit X including two air-cooled absorbers A and A, two air-cooled condensers C and C, and four fans F, F, F, F, and F. And evaporation A container E is provided. The opposite side of the machine room 2 in the air-cooled heat exchange section 3 is closed by a partition plate (not shown).
- the air-cooled absorbers A, A are arranged on two surfaces that are orthogonal to the partition wall of the machine room 2 and that are opposed to each other.
- the air-cooled condensers C, C have an inverted V-shape between the lower ends of the air-cooled absorbers A, A with a central portion being high and both sides being low so that the air suction surface 4 is located below the air-cooled absorbers A, A. It is arranged to form a shape.
- the evaporator E is located at a substantially central portion between the air-cooled absorbers A, A and above the air-cooled condensers C, C in the vicinity of the highest position, and the longitudinal direction thereof is the suction surface of the air-cooled absorbers A, A. And are arranged in parallel.
- the fans F, F, F, F are located above the air-cooled absorbers A and above the evaporator E, and are arranged in a top-blowing attitude with its rotation axis being vertical. .
- Each of the air-cooled absorbers A is divided into an upper-stage air-cooled absorber A1 and a lower-stage air-cooled absorber A2.
- the evaporator E is also divided into an upper evaporator E 1 and a lower evaporator E 2 so as to correspond to the divided air-cooled absorbers A 1 and A 2 .
- the concentrated solution flows in series the upper side of the low-pressure side air-cooled absorber A from the lower side to the low pressure side air-cooled absorber A 2.
- the air-cooled heat exchangers 3 and 3 are located on both sides of the machine room 2, so that the overall weight balance is improved and the transport and installation workability is greatly improved. .
- the suction air W from the fans, F 1, F 2, and F 3 passes through the air-cooled absorber A and the air-cooled condenser C, and is blown upward through flow paths formed on both sides of the evaporator E. Since the evaporator E is arranged so that its longitudinal direction is parallel to the suction surface of the air-cooled absorbers A and A, the heat radiation area of the air-cooled absorbers A and A and the air-cooled condenser C while keeping the installation area small. And the resistance of air can be reduced. Further, since the evaporator E can be provided by utilizing the dead space between the air-cooled absorbers A, A, the size of the apparatus can be reduced.
- the air-cooled condenser C Since it is arranged in an inverted V-shape with high sides and low sides, the heat radiation area of the air-cooled condenser C can be increased, condensing performance is improved, and the installation area can be reduced.
- a unit structure Z in which the air-cooled heat exchange sections 3, 3 are arranged on both sides in the longitudinal direction of the machine room 2 is configured.
- the maintenance space S1 of the machine room 2 and the suction spaces S2, S2 of the air-cooled heat exchange sections 3, 3 are in the same direction. Therefore, when installing an air-cooled absorption refrigeration system, it is necessary to secure the suction space S 2 , so that it is easy to secure the maintenance space S 1 in the machine room 2.
- the suction space S2 and the maintenance space S1 can be easily secured while keeping the installation area small.
- the air-cooled absorption type refrigerating apparatus such as water and refrigerant, lithium bromide and the absorption liquid, two single air-cooled condenser C and two air-cooled absorber AA 2 and two evaporators EE 2 and of the solution heat exchanger H 2, H and the two regenerator G 2, G, and operatively connected with the solution piping system and refrigerant piping system constitutes a circulation cycle of refrigerant and the absorbent solution.
- the lower header of the upper cooling air absorber A 1 and the upper header of the lower cooling air absorber A 2 are integrated into a middle header 12.
- a partition plate 13 is provided for partitioning into upper and lower two chambers 12a and 12b.
- the partition plate 13 is provided with a slit connection pipe 14 that communicates the two chambers 12a and 12b.
- Dilute solution L a fed by solution pump LP from the lower stage absorber A 2 is a high temperature through the heated side of the low-temperature solution heat exchanger H 1 and the high-temperature solution heat exchanger H 2 It flows into regenerator G2.
- the dilute solution La flowing into the high-temperature regenerator G 2 is heated and concentrated by an external heat source (not shown) to a boiling state, and the high-temperature concentrated solution L 2 and the refrigerant vapor R 2 are separated in the gas-liquid separator 11.
- the high-temperature concentrated solution L 2 flows into the low-temperature regenerator G 1 through the heating side of the high-temperature solution heat exchanger H 2.
- heat exchange is performed between the diluted solution La on the heated side and the high-temperature concentrated solution L2 on the heating side (heat recovery), and the diluted solution L a flows into the high-temperature regenerator G2 in a preheated state.
- the hot concentrated solution L 2 which has flowed into the low-temperature regenerator G 1, the the gas-liquid separator 1 1 side or et flowing refrigerant vapor R 2 to be heated and concentrated, and flows out a low-temperature concentrated solution L 1, said cold
- the solution flows into the upper-stage air-cooled absorber A 1 through the heating side of the solution heat exchanger H 1.
- heat exchange is performed between the diluted solution La on the heated side and the low-temperature concentrated solution L1 on the heated side (heat recovery), and the diluted solution La It is sent to the high temperature solution heat exchanger H 2 in the preheating state.
- the refrigerant vapor R 1 generated in the low-temperature regenerator G 1 flows out of the gas-liquid separator 11 and is used as a heat source for heating and concentrating the high-temperature concentrated solution L 2 in the low-temperature regenerator G 1. 2 merges with the condensed refrigerant drain Dr and flows into the air-cooled condenser C, where it is condensed and liquefied to become a liquid refrigerant R 1, pumped to the refrigerant pump RP and flows into the upper evaporator E.
- the refrigerant vapor Re generated in the upper evaporator E 1 flows into the upper air-cooled absorber A 1, and the liquid refrigerant R 1 that has not been evaporated in the upper evaporator E 1 flows into the lower evaporator E 2 I do.
- the refrigerant vapor Re generated in the lower evaporator E2 flows into the lower chamber 12b of the intermediate header 12.
- the secondary heat medium Y flows from the lower evaporator E2 to the upper evaporator E1.
- the refrigerant vapor Re is absorbed by the low-temperature concentrated solution 1 flowing from the low-temperature regenerator G1 and the low-temperature concentrated solution L! Is diluted to some extent.
- the diluted absorption solution accumulates in the upper chamber 12a of the intermediate header 12 and flows into the lower air-cooled absorber A2 from the lower chamber 12b of the intermediate header 12 through the connecting pipe 14;
- the refrigerant vapor Re is absorbed to become a dilute solution La.
- the pressure of the refrigerant vapor Re in the lower-stage air-cooled absorber A2 can be increased, and the same absorption performance can be obtained.
- the height can be reduced.
- the air-cooled absorption refrigeration apparatus according to the present invention is useful for an air-cooled two-stage absorption refrigeration apparatus, and is particularly suitable for improving the workability of transportation and installation and for downsizing. .
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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
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03797718A EP1550831A4 (en) | 2002-09-20 | 2003-09-19 | AIR-CHILLED ABSORPTION REFRIGERATION FACILITY |
AU2003264536A AU2003264536A1 (en) | 2002-09-20 | 2003-09-19 | Air-cooled absorption type refrigerating plant |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002276259A JP4162458B2 (ja) | 2002-09-20 | 2002-09-20 | 空冷吸収式冷凍装置 |
JP2002-276259 | 2002-09-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004027327A1 true WO2004027327A1 (ja) | 2004-04-01 |
Family
ID=32025096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/012038 WO2004027327A1 (ja) | 2002-09-20 | 2003-09-19 | 空冷吸収式冷凍装置 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1550831A4 (ja) |
JP (1) | JP4162458B2 (ja) |
CN (1) | CN1294394C (ja) |
AU (1) | AU2003264536A1 (ja) |
WO (1) | WO2004027327A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4887871B2 (ja) * | 2006-04-05 | 2012-02-29 | ダイキン工業株式会社 | 吸収式冷凍装置 |
JP2007278570A (ja) * | 2006-04-05 | 2007-10-25 | Daikin Ind Ltd | 空冷吸収式冷凍装置 |
JP4644631B2 (ja) * | 2006-05-17 | 2011-03-02 | 日立アプライアンス株式会社 | 吸収式ヒートポンプ |
ITRM20120343A1 (it) * | 2012-07-17 | 2014-01-18 | Purix ApS | Metodo per la refrigerazione di un edificio. |
US20140165627A1 (en) * | 2011-07-18 | 2014-06-19 | Purix ApS | Method for chilling a building |
JP5659170B2 (ja) * | 2012-02-17 | 2015-01-28 | 日立アプライアンス株式会社 | 空冷吸収式冷凍機 |
JP6111094B2 (ja) * | 2012-04-06 | 2017-04-05 | 荏原冷熱システム株式会社 | 吸収ヒートポンプ |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4841744A (en) * | 1987-01-19 | 1989-06-27 | Hitachi, Ltd. | Double effect air cooled absorption refrigerating machine |
JPH0432667A (ja) * | 1990-05-28 | 1992-02-04 | Kawaju Reinetsu Kogyo Kk | 吸収冷凍機・冷温水機の据付現場搬入および組立方法 |
JPH10306959A (ja) * | 1997-05-06 | 1998-11-17 | Daikin Ind Ltd | 吸収式冷凍機及びそれを備えた冷凍装置 |
JP2000199654A (ja) * | 1998-10-26 | 2000-07-18 | Daikin Ind Ltd | 空冷吸収式冷凍装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH032667A (ja) * | 1989-05-31 | 1991-01-09 | Fujikura Ltd | 圧電型加速度センサ |
JP3171142B2 (ja) * | 1997-06-13 | 2001-05-28 | ダイキン工業株式会社 | 空冷吸収式冷凍装置 |
-
2002
- 2002-09-20 JP JP2002276259A patent/JP4162458B2/ja not_active Expired - Fee Related
-
2003
- 2003-09-19 CN CNB038224933A patent/CN1294394C/zh not_active Expired - Fee Related
- 2003-09-19 AU AU2003264536A patent/AU2003264536A1/en not_active Abandoned
- 2003-09-19 EP EP03797718A patent/EP1550831A4/en not_active Withdrawn
- 2003-09-19 WO PCT/JP2003/012038 patent/WO2004027327A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4841744A (en) * | 1987-01-19 | 1989-06-27 | Hitachi, Ltd. | Double effect air cooled absorption refrigerating machine |
JPH0432667A (ja) * | 1990-05-28 | 1992-02-04 | Kawaju Reinetsu Kogyo Kk | 吸収冷凍機・冷温水機の据付現場搬入および組立方法 |
JPH10306959A (ja) * | 1997-05-06 | 1998-11-17 | Daikin Ind Ltd | 吸収式冷凍機及びそれを備えた冷凍装置 |
JP2000199654A (ja) * | 1998-10-26 | 2000-07-18 | Daikin Ind Ltd | 空冷吸収式冷凍装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1550831A4 * |
Also Published As
Publication number | Publication date |
---|---|
CN1685182A (zh) | 2005-10-19 |
JP2004108746A (ja) | 2004-04-08 |
CN1294394C (zh) | 2007-01-10 |
EP1550831A1 (en) | 2005-07-06 |
JP4162458B2 (ja) | 2008-10-08 |
AU2003264536A1 (en) | 2004-04-08 |
EP1550831A4 (en) | 2012-01-25 |
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