METHOD OF FIREPROOF AND HEAT INSULATION OF WELDED JOINTS OF PREVIOUSLY INSULATED PIPES IN CASE OF ABOVE-GROUND PIPELINES Russian patent published in 2016 - IPC F16L59/20 F16L57/04 

Abstract RU 2575533 C2

FIELD: construction.

SUBSTANCE: invention relates to fireproof and heat insulation of pipes, namely, to methods of assembly of fireproof and heat insulation on welded joints of pipes designed for transportation of oil and oil products. In the method of assembly of heat insulation of welded joints of pipes for above-ground installation they perform anti-corrosion protection of a welded joint of pipes with the help of a heat shrinkable polymer tape, heat insulation shells from foam glass are installed onto the joint, fixed by tie bands with locks, a thermomelting adhesive tape is glued at edges of the protective shell of the pipe as overlapping onto shells from foam glass, and a protective galvanized metal jacket is installed symmetrically relative to the centre of the welded joint.

EFFECT: provision of anti-corrosion protection and heat insulation of a welded joint of steel pipelines, at the same time the proposed method provides for improvement of the technology of heat insulation assembly onto a pipeline.

38 cl, 3 dwg, 2 tbl

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RU 2 575 533 C2

Authors

Sapsaj Aleksej Nikolaevich

Surikov Vitalij Ivanovich

Fridljand Inna Jakovlevna

Pavlov Vjacheslav Vladimirovich

Revin Pavel Olegovich

Shoter Pavel Ivanovich

Dates

2016-02-20Published

2014-03-20Filed