The thermal insulation layer, the rolling guide pipe bracket, the outer casing (steel pipe) and the anti-corrosion layer are composed of thermal insulation layer, rolling guide pipe support, outer casing (steel pipe) and anti-corrosion coating, and the thermal insulation layer is not damaged. The fixed bracket is a built-in fixed bracket, which does not need the huge reinforced concrete pier of the original “three-way fixed bracket”, which is an ideal way for steam pipe laying. After years of use practice and the relevant testing center testing service life can reach more than 30 years. Steel sleeve steel insulation pipe introduces a kind of steel pipe which is used to transport medium and protect the anti-corrosion layer to increase the overall life of the pipeline. two。 Making use of the characteristics of high strength and good sealing of steel pipe, the difficulty of waterproof and anti-leakage has been solved successfully. 3.
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Constant inventory level, coke enterprise start-up is basically normal, coke inventory is low, the shipping condition is better. Low thermal conductivity and low water absorption, coupled with insulation layer and high-density polyethylene or fiberglass protective shell with good waterproof outside, have changed the situation of traditional trench laying heating pipe “wearing wet cotton-padded jacket” and greatly reduced the overall heat loss of heating pipeline. the heat loss of the heating network is 2%, which is less than 10% of the international standard requirements. Drag reduction layer: ensure that the working steel pipe expands and shrinks in heat. It has been used in roof, partition, wallboard and so on in the construction industry. Low thermal conductivity and low water absorption, coupled with insulation layer and high-density polyethylene or fiberglass protective shell with good waterproof outside, have changed the situation of traditional trench laying heating pipe “wearing wet cotton-padded jacket” and greatly reduced the overall heat loss of heating pipeline. the heat loss of the heating network is 2%, which is less than 10% of the international standard requirements. Steel sleeve.
The double-layer seam on the wrong surface of the thermal insulation material is tied up on the working steel pipe, which reduces the heat loss, does not have surface friction with the steel sleeve, and prolongs the service life of the insulation layer, and its thickness depends on the medium temperature. Main technical indicators of composite silicate note: this product is non-toxic, harmless, pollution-free polyurethane thermal insulation steel pipe market advantages: the single thermal insulation structure of directly buried thermal insulation steel pipe is an early application technology, because there are few varieties of thermal insulation materials at that time, it is more suitable for direct burying. Later, with the gradual increase of the variety of thermal insulation materials, the thermal insulation structure tends to be diversified. The insulation layer is made of rigid polyurethane foam with density from 60kg/m3 to 80kg/m3, which fully fills the gap between steel pipe and casing and has a certain bonding strength, so that a solid whole is formed among steel pipe, outer casing and insulation layer. Prefabricated directly buried steel sheathed steel high temperature steam insulation pipeline is a new laying technology in underground directly buried pipe.
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Zhengding steel sleeve steel steam overhead insulation steel pipe manufacturer the width and depth of the ground trench at the inner joint of the steel sleeve steel insulated steel pipe should be increased by 250mm-300mm than that at the non-joint. There is an air layer between the core pipe and the working steel pipe, an aluminum foil cloth or aluminum cloth is applied to the inner wall of the working steel pipe, and a shielding layer is arranged between the core pipe and the working steel pipe. Steel sleeve steel insulation pipe factory _ high-efficiency thermal insulation pipe support manufacturer online sales. Xingsong Industry should set up the operation and start-up drainage devices at the low point of the steam pipe and the parts where condensate may be produced.
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Steel jacket steel insulation steel pipe is also known as prefabricated directly buried steel high temperature steam insulation pipe is a new laying technology in underground directly buried pipes. High temperature centrifugal glass wool and outer protection pipe used in heat preservation use FRP winding technology to produce a new generation of prefabricated directly buried steel sleeve steel steam insulation pipe series products, suitable for conveying pressure, steam or other heat medium below 350℃. Product structure form prefabricated directly buried steam insulation pipe (external sliding) product structure form: core tube (working steel pipe), silicone high temperature resistant paint, sliding bracket, high temperature resistant glass wool, aluminum foil reflective layer, air insulation layer, outer steel pipe, epoxy coal tar paint anti-corrosion layer.