new series of prefabricated directly buried steel sleeve steel steam insulation
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Polyurethane foam insulated seamless steel pipe with diameter 529The price of high temperature centrifugal glass cotton insulated steel pipe is a new laying technology of underground directly buried pipe, qtgdjtwjl “clothing”, which adopts advanced high temperature centrifugal glass cotton and outer protective pipe using FRP winding technology, produces 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, wound FRP anticorrosive coating (or epoxy coal tar pitch paint anticorrosive coating)
Xingsong Company adheres to the market operation of “honest operation, quality marketing and trying to win more”, and the correct operation thoughts have brought good economic benefits to the company and laid a good foundation for network marketing. Adhering to the pragmatic and enterprising spirit, our company strives to create a high-quality brand and waits to share with a wide range of users! Cangzhou Xingsong Pipeline Co., Ltd., prefabricated directly buried steel high temperature steam insulation pipe is a new laying technology in open directly buried pipe, insulation adopts advanced high temperature centrifugal glass wool and outer protection pipe adopts FRP winding technology, manufacturing a new series of prefabricated directly buried steel sleeve steel steam insulation pipe series products, suitable for steam or other heat medium below 350℃. Product structure mode prefabricated directly buried steam insulation pipe (external sliding) product structure mode: core tube (working steel pipe), silicone high temperature resistant paint, sliding bracket, high temperature resistant glass wool, aluminum foil reflector, air insulation layer, outer steel pipe, winding FRP anticorrosion.
The working principle of the new steel sleeve steel thermal insulation fixed joint is divided into three steps: cutting, failure, resistance, the following introduces the main significance of these three steps. “cut off” is to cut off the casing in an appropriate position, thus cutting off the heat bridge, the heat can not be transferred. “decay” is the use of the principle of temperature attenuation, the distance between the baffle, the rib plate and the casing joint to the connection between the casing and the additional casing, so that the temperature at the connection between the casing and the additional casing is large, and then the temperature affects the anti-corrosion layer and the steel-plastic interface. so that the thermal insulation layer can work reliably, so that the heat shrinkage belt does not fall off caused by heat. “resistance” is to use the thermal insulation performance of the thermal insulation material to wrap the thermal insulation material in the working pipe, the outer tube of the compensator, the surface of the steel casing, the radiation and convection of heat transfer, and the influence of high temperature on the low temperature surface.
The above is for everyone to share the content, I hope it will be helpful to you. What is the air layer in the steel insulated steel pipe used? Steel sleeve steel insulation steel pipe is a commonly used and easy-to-use steam insulation steel pipe product. Its unique structure makes the thermal insulation performance of the pipe very good, but the steel sleeve steel pipe and insulation layer outside the steel pipe has a small air layer, many customers do not know what to do and feel that the purchase cost is wasted. In fact, today we want to tell you what the air layer is for. As the high temperature of the steam pipe will lead to the expansion of the insulation layer, the air layer can protect the working pipe and the external protection pipe from destroying the insulation layer during relative sliding.
The high temperature resistance of polyurethane insulation pipe steel sleeve steel directly buried insulation pipe can not be comparable with other external protection pipe. In order to ensure that the groundwater level is high and that the groundwater does not affect the normal operation of the steam buried pipeline, it is best to use a tight and solid steel pipe shell for the outer protective layer. Anti-corrosion coating: in order to prolong the service life of the steel pipe and protect the outer steel pipe from corrosion. External protection steel pipe: in order to ensure the normal operation of the directly buried thermal insulation pipe, protect the insulation layer from the erosion of groundwater, support the working pipe and bear a certain external load. Polyurethane foam layer of steel sleeve and steel directly buried insulation pipe: the purpose is to ensure the temperature of the medium and the surface of the outer protection tube to maintain normal temperature. Barrier and reflective layer: the purpose is to ensure that the organic foam material will not enter the inorganic hard high temperature resistant layer. Zhenping polyurethane foam directly buried insulation tube wholesale
6. If the temperature is high, the scale in the radiator and engine water jacket should be removed, the tightness of the fan belt should be adjusted, the pump should be overhauled, the angle of the fan blade should be checked and adjusted, if the temperature is low, the shutter should be checked whether the shutter is closed tightly, check the working condition of the thermostat and check the insulation sleeve installed by heating. It is necessary for the main girder of the bridge to avoid excessive deflection and sexual deflection
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