CN110234922A - 用于保持流体介质温度的方法 - Google Patents

用于保持流体介质温度的方法 Download PDF

Info

Publication number
CN110234922A
CN110234922A CN201880008764.1A CN201880008764A CN110234922A CN 110234922 A CN110234922 A CN 110234922A CN 201880008764 A CN201880008764 A CN 201880008764A CN 110234922 A CN110234922 A CN 110234922A
Authority
CN
China
Prior art keywords
heat storage
insulation
pipes
pipe
layer
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
CN201880008764.1A
Other languages
English (en)
Chinese (zh)
Inventor
L·费彻
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.)
SWISSPOR MANAGEMENT AG
Original Assignee
SWISSPOR MANAGEMENT AG
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 SWISSPOR MANAGEMENT AG filed Critical SWISSPOR MANAGEMENT AG
Publication of CN110234922A publication Critical patent/CN110234922A/zh
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
    • F24D11/005—Central heating systems using heat accumulated in storage masses water heating system with recuperation of waste heat
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
    • C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • F16L53/30—Heating of pipes or pipe systems
    • F16L53/32—Heating of pipes or pipe systems using hot fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeves; consisting of two half sleeves; comprising more than two segments
    • F16L59/022—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeves; consisting of two half sleeves; comprising more than two segments with a single slit
    • F16L59/023—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeves; consisting of two half sleeves; comprising more than two segments with a single slit with a hinge opposite the slit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeves; consisting of two half sleeves; comprising more than two segments
    • F16L59/024—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeves; consisting of two half sleeves; comprising more than two segments consisting of two half sleeves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/027—Bands, cords, strips or the like for helically winding around a cylindrical object
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/04—Arrangements using dry fillers, e.g. using slag wool
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/08—Means for preventing radiation, e.g. with metal foil
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0005—Domestic hot-water supply systems using recuperation of waste heat
    • 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
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
    • F28D20/023—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat the latent heat storage material being enclosed in granular particles or dispersed in a porous, fibrous or cellular structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2270/00—Thermal insulation; Thermal decoupling
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Thermal Insulation (AREA)
  • Laminated Bodies (AREA)
CN201880008764.1A 2017-01-30 2018-01-26 用于保持流体介质温度的方法 Pending CN110234922A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17153846.5 2017-01-30
EP17153846 2017-01-30
PCT/EP2018/051920 WO2018138241A1 (de) 2017-01-30 2018-01-26 Verfahren zum halten der temperatur von fluiden medien

Publications (1)

Publication Number Publication Date
CN110234922A true CN110234922A (zh) 2019-09-13

Family

ID=57965687

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880008764.1A Pending CN110234922A (zh) 2017-01-30 2018-01-26 用于保持流体介质温度的方法

Country Status (7)

Country Link
US (1) US11585542B2 (https=)
EP (2) EP4227570B1 (https=)
JP (1) JP2020509304A (https=)
CN (1) CN110234922A (https=)
PL (1) PL3574250T3 (https=)
RU (1) RU2762610C2 (https=)
WO (1) WO2018138241A1 (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111682410A (zh) * 2020-06-16 2020-09-18 甘肃华菱电气自动化控制系统有限公司 一种高低压箱式变电柜散热用油脂循环加速流通结构
CN112628514A (zh) * 2020-12-25 2021-04-09 武汉联德化学品有限公司 液磷供应系统及保持液磷稳定供应的方法
CN112648472A (zh) * 2019-10-11 2021-04-13 惠而浦有限公司 真空隔热结构
RU2799200C1 (ru) * 2022-06-16 2023-07-04 Олег Александрович Байков Термоаккумулирующая композиция для аккумулятора холода, предназначенного для транспортировки материалов, требующих поддержания температуры от +2 до +8 градусов Цельсия.

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10836073B2 (en) * 2018-09-12 2020-11-17 Johns Manville Fiber reinforced aerogel insulation and method therefor
US11143682B2 (en) 2019-07-19 2021-10-12 Dell Products L.P. System and method for communicating externally from an electromagnetic interference suppressed volume
US11122718B2 (en) 2019-07-19 2021-09-14 Dell Products L.P. System and method for device level electromagnetic interference management
US11234347B2 (en) 2019-07-19 2022-01-25 Dell Products L.P. System and method for physical management of devices
US12004336B2 (en) 2019-07-19 2024-06-04 Dell Products L.P. System and method for thermal management and electromagnetic interference management
US10869415B1 (en) 2019-07-19 2020-12-15 Dell Products L.P. System and method for operating electromagnetically isolated device
US11378608B2 (en) 2019-07-19 2022-07-05 Dell Products L.P. System and method for device state determination
US10917996B1 (en) 2019-07-19 2021-02-09 Dell Products L.P. System and method for device level thermal management and electromagnetic interference management
US11132038B2 (en) 2019-07-19 2021-09-28 Dell Products L.P. System and method for thermal management of shadowed devices
US11644425B2 (en) 2019-07-19 2023-05-09 Dell Products L.P. System and method for optical state determination
US10980159B2 (en) 2019-07-19 2021-04-13 Dell Products L.P. System and method for managing multiple connections
US11399450B2 (en) 2019-07-19 2022-07-26 Dell Products L.P. System and method for managing electromagnetic interference
US11129307B2 (en) * 2019-07-19 2021-09-21 Dell Products L.P. System and method for managing thermal states of devices
US11147194B2 (en) 2019-08-21 2021-10-12 Dell Products L.P. System and method for managing electromagnetic interference
US11234350B2 (en) 2019-08-21 2022-01-25 Dell Products L.P. System and method for isolated device access
US11112190B2 (en) * 2019-12-05 2021-09-07 Saudi Arabian Oil Company Passive thermal diode for pipelines
CN111288244B (zh) * 2020-04-03 2025-07-18 北京市市政工程设计研究总院有限公司 一种基于pcm的预制装配式防冻管道
KR102176037B1 (ko) * 2020-05-22 2020-11-06 (주)엔씨테크 결로방지배관
CN111720630A (zh) * 2020-06-12 2020-09-29 江苏中圣管道工程技术有限公司 一种lng低温预制保冷管及其制造方法
US12252438B2 (en) 2021-03-10 2025-03-18 Owens Corning Intellectual Capital, Llc Joint adhesive for cellular glass insulation
US11548784B1 (en) 2021-10-26 2023-01-10 Saudi Arabian Oil Company Treating sulfur dioxide containing stream by acid aqueous absorption
US12116326B2 (en) 2021-11-22 2024-10-15 Saudi Arabian Oil Company Conversion of hydrogen sulfide and carbon dioxide into hydrocarbons using non-thermal plasma and a catalyst
US11926799B2 (en) 2021-12-14 2024-03-12 Saudi Arabian Oil Company 2-iso-alkyl-2-(4-hydroxyphenyl)propane derivatives used as emulsion breakers for crude oil
US12179129B2 (en) 2021-12-14 2024-12-31 Saudi Arabian Oil Company Synergetic solvent for crude oil emulsion breakers
KR102507490B1 (ko) * 2022-02-15 2023-03-07 박애리 폴리에스테르 발포층을 포함하는 중공형 단열재
CN116045712B (zh) * 2023-01-31 2023-09-29 南京航空航天大学 一种双梯级波节管储热系统及其加工方法
US20250101722A1 (en) * 2023-09-26 2025-03-27 Meir Manor Smart Freeze Prevention Hot Water Circulation System
CN117465074B (zh) * 2023-10-31 2026-04-07 南京联塑科技实业有限公司 一种多层复合管道及其制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002016733A1 (en) * 2000-08-23 2002-02-28 Fmc Corporation Hydrate formation prevention in subsea equipment with phase change material
CN2573836Y (zh) * 2001-02-23 2003-09-17 臧宝华 贮热保温带
WO2011161472A1 (en) * 2010-06-26 2011-12-29 Trellborg Offshore Uk Limited Passive thermal management system for liquid pipelines
EP2712893A1 (de) * 2012-10-01 2014-04-02 Basf Se Pipeline mit wärmespeichernden eigenschaften
CN205740871U (zh) * 2016-06-23 2016-11-30 江苏建筑职业技术学院 防水保温相变储能胶带

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3812886A (en) * 1972-07-05 1974-05-28 Midwesco Enterprise Inc Cryogenic insulation
US4003426A (en) * 1975-05-08 1977-01-18 The Dow Chemical Company Heat or thermal energy storage structure
US4111189A (en) * 1977-01-03 1978-09-05 Cities Service Company Combined solar radiation collector and thermal energy storage device
JPS5692906A (en) * 1979-12-26 1981-07-28 Yokohama Rubber Co Ltd:The Ultraviolet-curable composition and its usage
DE3334770C2 (de) * 1983-09-26 1994-03-31 Kabelmetal Electro Gmbh Leitungsrohr zur Fortleitung von tiefgekühlten Medien
JPS60107494A (ja) 1983-11-16 1985-06-12 Sumitomo Heavy Ind Ltd 海洋構造物用ヘリコプタ−デッキ
JPS60107494U (ja) * 1983-12-23 1985-07-22 松下電工株式会社 保温筒
JPH02176300A (ja) 1988-12-28 1990-07-09 Tooa Tomiji Kk 管及び管継手のための蓄熱管被覆
JPH03134397A (ja) 1989-10-18 1991-06-07 Sumitomo Electric Ind Ltd 蓄熱式流体輸送パイプ
US6319599B1 (en) * 1992-07-14 2001-11-20 Theresa M. Buckley Phase change thermal control materials, method and apparatus
US5804297A (en) * 1995-07-05 1998-09-08 Colvin; David P. Thermal insulating coating employing microencapsulated phase change material and method
DE69619551T2 (de) * 1996-11-22 2002-09-12 Armacell Enterprise Gmbh Rohrisolation
US6000438A (en) 1998-02-13 1999-12-14 Mcdermott Technology, Inc. Phase change insulation for subsea flowlines
EP1360259A1 (fr) 2001-02-07 2003-11-12 Institut Francais Du Petrole Procede de fabrication d'un materiau a changement de phase, quasi-incompressible, fluidifie sous cisaillement et a faible conductivite thermique
DE10256553A1 (de) 2002-12-04 2004-06-24 Abb Research Ltd. Thermische Isolation
JP2006525483A (ja) * 2003-05-06 2006-11-09 アスペン・エアロジエルズ・インコーポレーテツド 荷重負担性の軽量コンパクトな断熱システム
US8127800B2 (en) * 2005-02-28 2012-03-06 Parker-Hannifin Corporation Fire protective hose assembly
WO2008067267A2 (en) * 2006-11-29 2008-06-05 3M Innovative Properties Company Microsphere-containing insulation
DE102008015782A1 (de) 2008-03-26 2009-10-01 Rubitherm Technologies Gmbh Verfahren zur Herstellung einer Phasenwechselmaterial-Zusammensetzung
JP5227084B2 (ja) * 2008-05-27 2013-07-03 愛三工業株式会社 造粒蓄熱材とその製造方法
GB201110569D0 (en) 2011-06-22 2011-08-03 Wellstream Int Ltd Method and apparatus for maintaining a minimum temperature in a fluid

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002016733A1 (en) * 2000-08-23 2002-02-28 Fmc Corporation Hydrate formation prevention in subsea equipment with phase change material
CN2573836Y (zh) * 2001-02-23 2003-09-17 臧宝华 贮热保温带
WO2011161472A1 (en) * 2010-06-26 2011-12-29 Trellborg Offshore Uk Limited Passive thermal management system for liquid pipelines
EP2712893A1 (de) * 2012-10-01 2014-04-02 Basf Se Pipeline mit wärmespeichernden eigenschaften
CN205740871U (zh) * 2016-06-23 2016-11-30 江苏建筑职业技术学院 防水保温相变储能胶带

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112648472A (zh) * 2019-10-11 2021-04-13 惠而浦有限公司 真空隔热结构
CN111682410A (zh) * 2020-06-16 2020-09-18 甘肃华菱电气自动化控制系统有限公司 一种高低压箱式变电柜散热用油脂循环加速流通结构
CN111682410B (zh) * 2020-06-16 2021-10-15 甘肃华菱电气自动化控制系统有限公司 一种高低压箱式变电柜散热用油脂循环加速流通结构
CN112628514A (zh) * 2020-12-25 2021-04-09 武汉联德化学品有限公司 液磷供应系统及保持液磷稳定供应的方法
RU2799200C1 (ru) * 2022-06-16 2023-07-04 Олег Александрович Байков Термоаккумулирующая композиция для аккумулятора холода, предназначенного для транспортировки материалов, требующих поддержания температуры от +2 до +8 градусов Цельсия.

Also Published As

Publication number Publication date
EP4227570A1 (de) 2023-08-16
US11585542B2 (en) 2023-02-21
RU2762610C2 (ru) 2021-12-21
PL3574250T3 (pl) 2024-04-29
EP3574250B1 (de) 2023-12-06
JP2020509304A (ja) 2020-03-26
RU2019123441A (ru) 2021-03-01
US20190353356A1 (en) 2019-11-21
EP3574250A1 (de) 2019-12-04
EP4227570B1 (de) 2025-12-17
WO2018138241A1 (de) 2018-08-02
EP3574250C0 (de) 2023-12-06
RU2019123441A3 (https=) 2021-06-08
EP4227570C0 (de) 2025-12-17

Similar Documents

Publication Publication Date Title
US11585542B2 (en) Method for maintaining the temperature of fluid media
JP2020509304A5 (https=)
US7793689B2 (en) Multilayer heat tracing insulation device and method
Erlbeck et al. Investigation of different materials for macroencapsulation of salt hydrate phase change materials for building purposes
KR101618352B1 (ko) 파라핀계 상변화 물질을 이용한 내열성 축열재 및 이의 제조방법
CN201255276Y (zh) 一种双层高效保温管
CN103075611A (zh) 高性能低成本复合保温管
WO2009105846A4 (en) Layered construction with tube system
WO2011161472A1 (en) Passive thermal management system for liquid pipelines
CN202392357U (zh) 直埋式蒸汽输送管道
CN202937892U (zh) 复合型埋地保温管
JP5963290B1 (ja) 蓄熱カプセルの単位ユニット、蓄熱カプセル及び蓄熱槽
CN203223653U (zh) 预制直埋保温管
CN104728531A (zh) 一种保温pvc塑料管道
CN206299936U (zh) 柔性聚氨酯保温管件三通
CN201836601U (zh) 一种新型保温管
CN206290883U (zh) 柔性聚氨酯保温管件跨越三通
JP2001132023A (ja) 配管の凍結防止構造
CN209540223U (zh) 一种聚烯烃玻璃微珠保温复合管
CN201475518U (zh) 一种交联聚乙烯复合管
JP2003254629A (ja) 凍結破損防止型液体用管およびそれを用いた水道管システム並びに温水器システム
CN206299938U (zh) 柔性聚氨酯保温管件平行三通
CN206572132U (zh) 一种高寒防冻管
CN106523827A (zh) 柔性聚氨酯保温管件三通及制作方法
CN206918449U (zh) 一种新型的保温供热管

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190913

RJ01 Rejection of invention patent application after publication