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Petroleum casing collars and insulation pipe performance

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Petroleum casing collars and insulation pipe performance
Petroleum casing collars and insulation pipe performance

Petroleum casing collars and insulation pipe performance


Oil casing collars are also relatively loose in the texture of the insulation material. In order to increase the hardness, a layer of anti-corrosion coating is generally applied outside the insulation layer, so it can also be called an oil casing collar. In small and medium-diameter oil pipelines, in order to reduce heat dissipation from the pipeline to the soil, a composite layer of thermal insulation and corrosion protection is added outside the pipeline, which is also beneficial to prevent groundwater from penetrating into the thermal insulation layer and cause unnecessary economic losses.

Insulation layer structure of insulating oil casing collar:

1, glass wool insulation

Glass wool is a category of glass fibers and is a type of artificial inorganic fiber. Glass wool is a material that melts glass fiber to form a cotton-like material. Its chemical composition is glass. It is an inorganic fiber. It has a good shape, small bulk density, low thermal conductivity, thermal insulation, good sound absorption, and corrosion resistance. Decoration, chemical stability. Generally used in high-temperature steam insulation pipe, steel jacket steel insulation pipe, insulation oil casing coupling.

2, polyurethane foam insulation

Polyurethane foam is a kind of special polyurethane product filled with polyurethane prepolymer, foaming agent, catalyst and other components in pressure aerosol cans. When the material is sprayed from the aerosol can, the foamed polyurethane material will rapidly expand and react with air or moisture in the contacted matrix to form a foam. Cured foam has a variety of effects such as caulking, bonding, sealing, heat insulation, sound absorption, etc. It is an environmentally friendly, energy-saving and easy-to-use building material. It can be used for sealing plugging, filling in air, repairing, fixing and bonding. Soundproofing is especially suitable for sealing and waterproofing between steel or aluminum alloy doors, windows and walls.

Pub Time : 2018-04-08 13:19:12 >> News list
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