WO2018147364A1 - 熱交換ユニットの組立て方法 - Google Patents

熱交換ユニットの組立て方法 Download PDF

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Publication number
WO2018147364A1
WO2018147364A1 PCT/JP2018/004381 JP2018004381W WO2018147364A1 WO 2018147364 A1 WO2018147364 A1 WO 2018147364A1 JP 2018004381 W JP2018004381 W JP 2018004381W WO 2018147364 A1 WO2018147364 A1 WO 2018147364A1
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WO
WIPO (PCT)
Prior art keywords
pair
plate
members
heat exchange
exchange unit
Prior art date
Application number
PCT/JP2018/004381
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
由記 光元
Original Assignee
株式会社前川製作所
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 株式会社前川製作所 filed Critical 株式会社前川製作所
Publication of WO2018147364A1 publication Critical patent/WO2018147364A1/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/14—Heat exchangers specially adapted for separate outdoor units
    • F24F1/16—Arrangement or mounting thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • 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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • 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
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators

Definitions

  • the present disclosure relates to a method for assembling a heat exchange unit having a panel heat exchanger.
  • Applicants have has previously heat exchange medium circulation path to the compressor, a gas cooler, expander and an evaporator, the CO 2 constitutes a heat pump as a heat exchange medium, the CO 2 compressor as a heat exchange medium
  • the CO 2 compressor has proposed a hot water supply device capable of supplying high-temperature water of about 90 ° C. by setting a supercritical state on the discharge side (Patent Document 1).
  • the present applicant has proposed a hot water supply unit in which the hot water supply devices constituting the heat pump cycle are unitized and made compact (Patent Document 2).
  • Patent Document 3 in a heat exchange unit provided in a unit type device used for air conditioning, hot water supply or the like, a pair of panel heat exchangers are arranged in a V shape so that the unit body is constricted at the center portion.
  • the structure which was made is disclosed. This prevents deterioration in the velocity distribution of air passing through the heat exchange unit when a plurality of unit-type devices are arranged side by side, and improves workability during maintenance and inspection.
  • the work of arranging a pair of heavy panel heat exchangers in a V shape inside a narrow unit body is a heavy burden for the worker. Reduction and improvement in work efficiency are desired.
  • At least one embodiment aims to reduce the work burden on an operator and improve the work efficiency when assembling a heat exchange unit in a heat exchange unit having a panel heat exchanger.
  • the assembly method of the heat exchange unit is as follows: An arrangement step of arranging the pair of plate members along the vertical direction so that the interval between the pair of plate members whose at least one is a panel heat exchanger decreases downward, A fitting step for fitting the lower end portions of the pair of plate-like members to the fitting portion of the frame; and The pair of plate-like members are disposed above the lower end portions of the pair of plate-like members fitted to the fitting portion of the frame so that the gap between the pair of plate-like members does not widen. A restraining step for restraining with a restraining jig; Is provided.
  • the pair of plate-like members when the pair of plate-like members are arranged along the vertical direction in the arranging step, the lower ends of the pair of plate-like members are fitted to the frame body in the fitting step.
  • the pair of plate-like members can be stably positioned at desired positions by being fitted to the portions and by restraining the upper portions of the pair of plate-like members with a restraining jig in the restraining step. Accordingly, the pair of plate-like members are positioned at a desired position while being supported by the frame body and the restraining jig, so that the work burden on the worker can be reduced and the work efficiency can be improved.
  • the pair of plate-like members are restrained by using, as the restraining jig, a support jig that is supported by the foundation of the heat exchange unit and supports the pair of plate-like members from both outsides.
  • the supporting jig for supporting the pair of plate-like members from both outsides is used as the restraining jig, so that the weight of the pair of plate-like members can be reduced.
  • the pair of plate-like members can be held in a desired posture while being added. Therefore, the work burden on the worker can be reduced and the work efficiency can be improved.
  • the fixing device further includes a fixing step of fixing the pair of plate-like members by a connecting member that is bridged between upper end portions of the pair of plate-like members in a state where the pair of plate-like members are restrained by the restraining jig.
  • the pair of plate-like members can be stably held in a desired posture by fixing the upper end portions of the pair of plate-like members by the coupling tool in the fixing step.
  • the method further includes attaching the fan to the connector such that one or more fans are positioned between the pair of plate-like members.
  • the coupling tool in the above step, by attaching the fan to the coupling tool, the coupling tool can be used not only as a positioning jig for the pair of plate-like members but also as a support part for the fan. Thereby, the assembly process of the heat exchange unit can be simplified.
  • the method further includes the step of attaching side panels that block openings formed at both ends in the longitudinal direction of the pair of plate-like members between the pair of plate-like members restricted by the restriction step.
  • the openings formed at both ends in the longitudinal direction of the pair of plate members between the pair of plate members are blocked by the side panels, so that the panel heat An air flow path passing through the exchanger and passing between the pair of plate-like members can be formed. Thereby, the heat exchange efficiency with the air of a heat exchange unit can be improved.
  • the method further includes the step of attaching a drain pan to the frame.
  • a drain pan to the frame.
  • the drain in which the condensed water adhering to the outer surface of the panel-like heat exchanger has been dropped downward is added to the drain pan.
  • the frame body can be used as it is as a pair of plate-like members and a drain pan support, and the manufacture of the heat exchange unit can be simplified and reduced in cost.
  • an expression indicating that things such as “identical”, “equal”, and “homogeneous” are in an equal state not only represents an exactly equal state, but also has a tolerance or a difference that can provide the same function. It also represents the existing state.
  • expressions representing shapes such as quadrangular shapes and cylindrical shapes represent not only geometrically strict shapes such as quadrangular shapes and cylindrical shapes, but also irregularities and chamfers as long as the same effects can be obtained. A shape including a part or the like is also expressed.
  • the expressions “comprising”, “comprising”, “comprising”, “including”, or “having” one constituent element are not exclusive expressions for excluding the existence of other constituent elements.
  • the method for assembling the heat exchange unit 10 is as follows. First, a pair of plate-like members 12 (12 a, 12 b) (see FIG. 3) are respectively arranged on the foundation 14 along the vertical direction. Arrangement step S10 is performed. In the arrangement step S10, at least one of the pair of plate members 12 is a panel heat exchanger, and is arranged along the vertical direction so that the interval between the pair of plate members decreases downward. As will be described later, the panel heat exchanger has a plurality of heat transfer tubes arranged in a panel shape, and has a gap through which air can pass between the plurality of heat transfer tubes.
  • the frame body 16 is provided above the foundation 14, and in the arrangement step S10, the lower ends of the pair of plate-like members 12 are engaged with the engagement portion 17 of the frame body 16. (Combining step S12). Moreover, in arrangement
  • the lower end portions of the pair of plate-like members 12 are fitted to the fitting portions 17 of the frame body 16 in the mating step S12, and the upper portions of the pair of plate-like members 12 are restrained in the restraining step S14.
  • a pair of plate-shaped member 12 can be stably positioned in the desired position along an up-down direction.
  • the pair of plate-like members 12 are positioned at desired positions while being supported by the frame body 16 and the restraining jig 18, so that the work burden on the worker can be reduced and the work efficiency can be improved.
  • the panel heat exchanger (plate member 12) includes a plurality of heat transfer tubes 74 (74a, 74b, 74c, 74d, 74e, 74f, between the support plates 70 and 72, as shown in FIG. 74g, 74h, 74i, 74j) are provided in parallel, and a gap s through which air can flow is formed between the heat transfer tubes 74 (74a to 74j).
  • the plurality of heat transfer tubes 74 are connected to the inlet header 76 and the outlet header 78, bent in the middle, and disposed between the support plates 70 and 72 as meandering tubes.
  • the heat exchange medium r that has flowed into the inlet header 76 is divided into a plurality of heat transfer tubes 74, exchanges heat with the air flow passing through the gaps s, and then flows out from the outlet header 78.
  • a frame 80 is installed between the support plates 70 and 72.
  • illustration of a part of heat exchanger tube 74 is abbreviate
  • the pair of plate-like members 12 (12a, 12b) are both panel-like heat exchangers, and the pair of panel-like heat exchangers has a space between the pair of panel-like heat exchangers downward. It is arranged in a V shape so as to become smaller. This makes it possible to double the amount of heat exchange between the heat exchange medium and the air flow as compared with the case where only one of the pair of plate-like members is a panel heat exchanger.
  • the frame body 16 has a square shape, a bottom portion 16 a and a side portion 16 b, and a joint portion 17 is formed inside the side portion 16 b.
  • the lower ends of the pair of plate-like members 12 are engaged with and fixed to the engagement portion 17. Further, the frame body 16 is fixed to a gantry 20 erected on the foundation 14.
  • the support jig 22 (22 a, 22 b) supported by the base 14 and supporting the pair of plate-like members 12 from both outsides is restrained jig 18. Used to restrain the pair of plate-like members 12.
  • the weight of the pair of plate members 12 is added to the support jig 22 by using the support jig 22 that supports the pair of plate members 12 from both outsides as the restraining jig 18.
  • the pair of plate-like members can be held in a desired posture while being made. Therefore, the work burden on the worker can be reduced and the work efficiency can be improved.
  • the support jig 22 includes a support column 23 a erected on the foundation 14 and a contact portion 23 b extending from the upper end of the support column 23 a toward the plate-shaped member, and the contact portion 23 b is a pair of plate-shaped members 12. And a pair of plate-like members 12 are supported.
  • the support jig 22 does not necessarily have to be provided on the foundation 14 and may be supported by a support portion provided around the foundation 14.
  • it further includes a fixing step S16.
  • a fixing step S ⁇ b> 16 in a state where the pair of plate-like members 12 are restrained by the restraining jig 18, a connecting tool 24 is installed between the upper ends of the pair of plate-like members 12.
  • the upper ends of the pair of plate-like members 12 are fixed.
  • the pair of plate-like members 12 can be stably held in a desired posture along the vertical direction by fixing the upper end portions of the pair of plate-like members 12 by the connector 24.
  • a pair of connectors 24 are attached to both ends of the upper ends of the pair of plate-like members 12. Thereby, the pair of plate-like members 12 can be stably supported in a desired posture.
  • the fan mounting step S18 is further provided.
  • the fan attachment step S18 as shown in FIG. 5, one or more fans 26 are attached to the connector 24, and the one or more fans 26 are positioned between the pair of plate-like members.
  • the connection tool 24 can be used not only as a positioning jig for the pair of plate-like members 12 but also as a support part for the fan 26. Thereby, the assembly process of the heat exchange unit 10 can be simplified.
  • a fixing jig 28 dedicated to fixing the fan is attached not only to the pair of connecting tools 24 but also to the upper ends of the pair of plate-like members 12 in the middle of the pair of connecting tools 24. Thereby, the plurality of fans 26 can be stably attached to the upper portions of the pair of plate-like members 12.
  • a side panel attachment step S20 is further provided.
  • the side panel 30 that blocks the openings o formed at both ends in the longitudinal direction of the pair of plate-like members 12 between the pair of plate-like members restricted in the restriction step S14.
  • the opening o formed in the longitudinal direction both ends of the pair of plate-like members 12 is blocked by the side panel 30 between the pair of plate-like members, so that the panel-like heat is generated when the heat exchange unit 10 is in operation.
  • An air flow path passing through the exchanger and passing between the pair of plate-like members can be formed. Thereby, the heat exchange efficiency with the air of the heat exchange unit 10 can be improved.
  • only one opening o of the pair of openings o formed on both sides of the pair of plate-like members 12 is shielded by the side panel 30, but the other opening o is also covered by the side panel. 30 is attached.
  • the upper side of the side panel 30 is fixed by a connector 24.
  • the connector 24 is also used as a jig for fixing the side panel 30 to the opening o.
  • the side panel mounting step S20 can be simplified.
  • a drain pan attaching step S22 is further provided.
  • the drain pan 32 is attached to the frame 16 as shown in FIG.
  • the drain pan 32 receives the drain in which the condensed water adhering to the outer surface of the panel heat exchanger has dropped.
  • the heat exchange unit 10 can be discharged.
  • the frame body 16 can be used as it is as a support portion for the pair of plate-like members 12 and the drain pan 32, and the manufacture of the heat exchange unit 10 can be simplified and reduced in cost. After the heat exchange unit 10 is assembled, the support jig 22 (22a, 22b) is removed.
  • the heat exchange unit 10 is incorporated into a heat pump unit 40 as shown in FIG.
  • the heat exchange unit 10 is provided in the upper region inside the box-shaped casing 42, and the heat pump cycle component device 44 is provided in the lower region.
  • at least one of the pair of plate-like members 12 (12a, 12b) is configured by a panel heat exchanger.
  • An air intake 46 is formed in the area where the panel heat exchanger is provided at least inside the front area 42 a and the rear area 42 b of the upper area of the box-shaped casing 42, and an air outlet 48 is formed in the fan 26.
  • An air flow path is formed in the box-shaped casing 42 through the panel heat exchanger from the air intake 46 to the air outlet 48, and the air flow through the air flow path when the fan 26 is operated. a is formed.
  • FIG. 6 shows the heat pump cycle component device 44 of the heat pump unit 40.
  • a heat pump cycle component device 44 such as a compressor 52 is provided in the heat exchange medium circulation path 50.
  • the heat pump cycle constituent device 44 includes a plate-like member 12 constituted by a condenser 54, an expansion valve 56, and a panel heat exchanger in addition to the compressor 52.
  • the heat exchange medium introduction pipe 58 is connected to the high pressure region heat exchange medium circulation path 50 on the downstream side of the condenser 54, and the heat exchange medium discharge pipe 60 is located on the downstream side of the expansion valve 56 in the low pressure region heat exchange medium circulation.
  • a heat exchange medium tank 62 connected to the passage 50 and connected to the heat exchange medium introduction pipe 58 and the heat exchange medium discharge pipe 60 is provided.
  • the heat exchange medium compressed by the compressor 52 is cooled by the cooling water flowing through the cooling water channel 64 by the condenser 54.
  • the cooling water path 64 is provided with a cooling water pump 65 that sends the cooling water to the condenser 54.
  • the heat exchange medium cooled by the condenser 54 is cooled by exchanging heat with the heat exchange medium sent from the panel heat exchanger (plate-like member 12) by the liquid gas heat exchanger 66, and then passed through the expansion valve 56. Depressurized.
  • the heat exchange medium depressurized through the expansion valve 56 is vaporized using air as a heat source in the panel heat exchanger.
  • a plurality of heat transfer tubes 74 are arranged in a panel shape in the panel heat exchanger, and an air flow a passing between the plurality of heat transfer tubes 74 is formed by the fan 26.
  • the heat exchange medium vaporized by the panel heat exchanger is heated by exchanging heat with the heat exchange medium sent from the condenser 54 by the liquid gas heat exchanger 66 to be heated to an overheated state and sent to the compressor 52 for compression. .
  • a part of the heat exchange medium of the heat exchange medium circulation path 50 is stored in the heat exchange medium tank 62 by the opening / closing operation of the first on-off valve 67 and the second on-off valve 68, or the heat exchange medium tank 62.
  • the flow rate of the heat exchange medium flowing through the heat exchange medium circulation path 50 can be adjusted by returning the heat exchange medium stored in the heat exchange medium circulation path 50.
  • the hot water heated by the condenser 54 can be supplied to the customer as a heat source.
  • a heat exchange medium eg, CO 2
  • a gas cooler is used as the condenser 54.
  • a heat exchange unit having a panel heat exchanger it is possible to reduce the work burden on the worker when assembling the heat exchange unit and increase the work efficiency.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Other Air-Conditioning Systems (AREA)
PCT/JP2018/004381 2017-02-10 2018-02-08 熱交換ユニットの組立て方法 WO2018147364A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017023347A JP6853059B2 (ja) 2017-02-10 2017-02-10 熱交換ユニットの組立て方法
JP2017-023347 2017-02-10

Publications (1)

Publication Number Publication Date
WO2018147364A1 true WO2018147364A1 (ja) 2018-08-16

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PCT/JP2018/004381 WO2018147364A1 (ja) 2017-02-10 2018-02-08 熱交換ユニットの組立て方法

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Country Link
JP (1) JP6853059B2 (zh)
CN (2) CN108413788A (zh)
WO (1) WO2018147364A1 (zh)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6375727U (zh) * 1986-11-05 1988-05-20
JPH01120019U (zh) * 1988-02-10 1989-08-15
JPH02118347A (ja) * 1988-10-27 1990-05-02 Mitsubishi Electric Corp 空気調和機の室外機
US5181395A (en) * 1991-03-26 1993-01-26 Donald Carpenter Condenser assembly
JPH09229423A (ja) * 1996-02-26 1997-09-05 Sanyo Electric Co Ltd 冷凍装置
US20070169500A1 (en) * 2006-01-20 2007-07-26 Carrier Corporation Casing assembly suitable for use in a heat exchange assembly
US9279620B2 (en) * 2011-12-30 2016-03-08 Trane International Inc. System and method for HVAC condensate management
JP2016200333A (ja) * 2015-04-10 2016-12-01 東芝キヤリア株式会社 冷凍サイクル装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0387536A (ja) * 1989-08-30 1991-04-12 Mitsubishi Electric Corp 空気調和機の室外ユニット
JP2002243208A (ja) * 2001-02-14 2002-08-28 Sanyo Electric Co Ltd リモートコンデンサ
CN101788174B (zh) * 2010-01-15 2012-06-27 西安工程大学 蒸发冷却和风冷热泵式复合冷热水机组
KR101388844B1 (ko) * 2010-02-15 2014-04-23 도시바 캐리어 가부시키가이샤 칠링 유닛
JP5310887B2 (ja) * 2011-09-30 2013-10-09 ダイキン工業株式会社 室外機及び冷凍装置
CN205606794U (zh) * 2016-05-06 2016-09-28 河北华航新能源开发集团有限公司 一种空气源热泵空冷岛
CN106288095A (zh) * 2016-10-09 2017-01-04 广东海悟科技有限公司 一种加湿装置及带有加湿装置的空调器

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6375727U (zh) * 1986-11-05 1988-05-20
JPH01120019U (zh) * 1988-02-10 1989-08-15
JPH02118347A (ja) * 1988-10-27 1990-05-02 Mitsubishi Electric Corp 空気調和機の室外機
US5181395A (en) * 1991-03-26 1993-01-26 Donald Carpenter Condenser assembly
JPH09229423A (ja) * 1996-02-26 1997-09-05 Sanyo Electric Co Ltd 冷凍装置
US20070169500A1 (en) * 2006-01-20 2007-07-26 Carrier Corporation Casing assembly suitable for use in a heat exchange assembly
US9279620B2 (en) * 2011-12-30 2016-03-08 Trane International Inc. System and method for HVAC condensate management
JP2016200333A (ja) * 2015-04-10 2016-12-01 東芝キヤリア株式会社 冷凍サイクル装置

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JP2018128230A (ja) 2018-08-16
CN108413788A (zh) 2018-08-17
JP6853059B2 (ja) 2021-03-31
CN208313093U (zh) 2019-01-01

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