RU2003117471A - METHOD FOR PRODUCING A HEAT-INSULATED PIPE - Google Patents

METHOD FOR PRODUCING A HEAT-INSULATED PIPE

Info

Publication number
RU2003117471A
RU2003117471A RU2003117471/12A RU2003117471A RU2003117471A RU 2003117471 A RU2003117471 A RU 2003117471A RU 2003117471/12 A RU2003117471/12 A RU 2003117471/12A RU 2003117471 A RU2003117471 A RU 2003117471A RU 2003117471 A RU2003117471 A RU 2003117471A
Authority
RU
Russia
Prior art keywords
pentane
component
fed
pipe
annular gap
Prior art date
Application number
RU2003117471/12A
Other languages
Russian (ru)
Other versions
RU2320484C2 (en
Inventor
Альфред ОЕШГЕР
Урс ШНЕЛЬ
Original Assignee
Бругг Рор Аг, Холдинг
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
Priority claimed from DE10226041A external-priority patent/DE10226041A1/en
Application filed by Бругг Рор Аг, Холдинг filed Critical Бругг Рор Аг, Холдинг
Publication of RU2003117471A publication Critical patent/RU2003117471A/en
Application granted granted Critical
Publication of RU2320484C2 publication Critical patent/RU2320484C2/en

Links

Claims (7)

1. Способ изготовления теплоизолированный трубы, состоящей из одной или нескольких внутренних труб, концентрично расположенной на расстоянии от внутренней трубы внешней трубы и заполняющего кольцевой зазор между внутренней и внешней трубами слоя теплоизоляции на основе полиуретановой или полиизоциануратной пены, при котором внутреннюю трубу непрерывно обертывают внешней трубой и в кольцевой зазор вводят вспениваемый пластик, отличающийся тем, что к компоненту полиол незадолго до смешивания с компонентом изоцианат посредством насоса примешивают жидкий порообразователь.1. A method of manufacturing a heat-insulated pipe, consisting of one or more inner pipes, concentrically located at a distance from the inner pipe of the outer pipe and filling the annular gap between the inner and outer pipes of a thermal insulation layer based on polyurethane or polyisocyanurate foam, in which the inner pipe is continuously wrapped in an outer pipe and expandable plastic is introduced into the annular gap, characterized in that to the polyol component shortly before mixing with the isocyanate component by means of a pump admixed liquid blowing agent. 2. Способ по п.1, отличающийся тем, что порообразователь представляет собой пентан.2. The method according to claim 1, characterized in that the blowing agent is pentane. 3. Способ по п.1 или 2, отличающийся тем, что к компоненту полиол незадолго до смешивания с компонентом изоцианат дозируют воздух.3. The method according to claim 1 or 2, characterized in that air is dosed to the polyol component shortly before mixing with the isocyanate component. 4. Способ по одному из пп.1-3, отличающийся тем, что компонент полиол, пентан и, при необходимости, воздух смешивают в статическом смесителе, эту смесь смешивают с компонентом изоцианат в динамическом смесителе и полученную таким образом вспениваемую смесь вводят в кольцевой зазор.4. The method according to one of claims 1 to 3, characterized in that the polyol component, pentane and, if necessary, air are mixed in a static mixer, this mixture is mixed with the isocyanate component in a dynamic mixer and the foamable mixture thus obtained is introduced into the annular gap . 5. Способ по одному из пп.1-4, отличающийся тем, что жидкий пентан подают посредством пневмонасоса по предохранительной линии из емкости к трехпоршневому мембранному насосу.5. The method according to one of claims 1 to 4, characterized in that the liquid pentane is fed by means of a pneumatic pump along the safety line from the tank to the three-piston diaphragm pump. 6. Способ по п.5, отличающийся тем, что пентан подают в статический смеситель посредством трехпоршневого мембранного насоса по очень гибкому рукаву.6. The method according to claim 5, characterized in that pentane is fed into the static mixer by means of a three-piston diaphragm pump along a very flexible sleeve. 7. Способ по одному из пп.1-6, отличающийся тем, что смесь, состоящую из компонента полиол и пентана, а также, при необходимости, воздуха, и компонент изоцианат подают посредством шестеренных насосов в динамический смеситель.7. The method according to one of claims 1 to 6, characterized in that the mixture consisting of the component polyol and pentane, as well as, if necessary, air, and the component isocyanate are fed through gear pumps to a dynamic mixer.
RU2003117471/12A 2002-06-12 2003-06-11 Method of manufacturing heat-insulated pipe RU2320484C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10226041A DE10226041A1 (en) 2002-06-12 2002-06-12 Process for the production of a thermally insulated conduit
DE10226041.9 2002-06-12

Publications (2)

Publication Number Publication Date
RU2003117471A true RU2003117471A (en) 2004-12-10
RU2320484C2 RU2320484C2 (en) 2008-03-27

Family

ID=29557775

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2003117471/12A RU2320484C2 (en) 2002-06-12 2003-06-11 Method of manufacturing heat-insulated pipe

Country Status (9)

Country Link
EP (1) EP1371469B1 (en)
JP (1) JP2004017657A (en)
KR (1) KR100967600B1 (en)
CN (1) CN1319719C (en)
AT (1) ATE320900T1 (en)
DE (2) DE10226041A1 (en)
DK (1) DK1371469T3 (en)
PL (1) PL205745B1 (en)
RU (1) RU2320484C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012002834A1 (en) 2010-06-28 2012-01-05 Общество С Ограниченной Ответственностью "Cmиt-Яpцebo" Method for manufacturing a thermally insulated flexible tube

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005020794A1 (en) 2005-05-04 2006-11-09 Coperion Werner & Pfleiderer Gmbh & Co. Kg Plant for producing a foamed plastic film
DE102007015660A1 (en) 2007-03-31 2008-10-02 Brugg Rohr Ag, Holding Flexible heat-insulated conduit
PL2138751T3 (en) 2008-06-28 2013-08-30 Brugg Rohr Ag Holding Method of manufacture of a flexible conduit pipe with thermal insulation
ITMI20091705A1 (en) 2009-10-05 2011-04-06 Afros Spa METHOD AND EQUIPMENT TO COVER A PIPE WITH A THERMAL INSULATING FOAM.
RU2494870C1 (en) 2010-09-20 2013-10-10 Общество С Ограниченной Ответственностью "Смит-Ярцево" Line for production of heat-insulated flexible pipe
KR102123921B1 (en) * 2012-07-17 2020-06-17 바스프 에스이 Process for the continuous production of foams in pipes
CN105058680B (en) * 2015-08-25 2017-06-16 青岛科技大学 A kind of Liftable type pipeline protective layer synchronization shaping equipment
CN105034238A (en) * 2015-08-25 2015-11-11 青岛科技大学 Efficient compact continuous shaping device for pipeline protective layers
CN106493902A (en) * 2016-12-23 2017-03-15 湖南精正设备制造有限公司 A kind of polyurethane foaming device of compressed air auxiliary
CN114347523A (en) * 2021-12-22 2022-04-15 荥阳市坛山热力保温管道有限公司 Insulating tube production line

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211523A (en) * 1978-11-29 1980-07-08 Hoover Universal, Inc. Gas-flow control apparatus for equipment for producing foamed plastic
DE4418506A1 (en) * 1994-05-27 1995-11-30 Bayer Ag Process for the production of moldings from two-component reactive systems with a high filler content
DE4422568C1 (en) * 1994-06-28 1996-02-15 Bayer Ag Process and device for foam production using carbon dioxide dissolved under pressure
DE19524434A1 (en) * 1995-07-05 1997-01-09 Hennecke Gmbh Maschf Foam prodn. from two component reactive plastics - by mixing with carbon di:oxide under pressure and expanding at high shear rate
DE4445140A1 (en) * 1994-12-17 1996-06-20 Basf Ag Carbon dioxide blown styrene polymer foam
DE4446876A1 (en) * 1994-12-27 1996-07-04 Bayer Ag Process and device for foam production using carbon dioxide dissolved under pressure
DE19622742C1 (en) * 1996-06-07 1998-03-12 Hennecke Gmbh Process for producing foam using carbon dioxide dissolved under pressure
DE19629678A1 (en) * 1996-07-23 1998-01-29 Brugg Rohrsysteme Gmbh Corrugated pipe with double walls enclosing foam insulation
KR100484042B1 (en) * 1996-07-23 2005-07-18 브루그 로드 아게, 홀딩 Method for manufacturing heat insulating pipes
DE19708570A1 (en) * 1997-03-03 1998-09-10 Basf Ag Polyurethane foam production for use as e.g. thermal insulating material
JP2000128951A (en) * 1998-10-26 2000-05-09 Sumitomo Bayer Urethane Kk Production of hard polyurethane foam

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012002834A1 (en) 2010-06-28 2012-01-05 Общество С Ограниченной Ответственностью "Cmиt-Яpцebo" Method for manufacturing a thermally insulated flexible tube

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