Due to the environment, the pipes laid outside the house often need to be insulated and antifreeze. At this time, most users will wrap a layer of insulation material on the outside of the pipes. According to the national regulations, the urban heating pipe network transport heat efficiency reaches more than 90%. Reasonable selection of pipeline insulation materials is particularly important for effectively reducing heat loss during heat transfer and saving fuel consumption, so what are the pipeline insulation materials ? Let's take a look with the editor.
What are the pipe insulation materials
1. Glass wool
This type of material has good formability and low density, and also has the advantages of low thermal conductivity, and also has strong corrosion resistance. It has good chemical properties in a chemically corrosive environment, mainly for air conditioning insulation and exhaust Pipe insulation, boiler insulation and steam pipeline insulation.
2. Composite silicate
Low thermal conductivity, good thermal insulation performance, and can also have a low bulk density for thermal insulation materials at high temperatures. Compared with other pipeline thermal insulation materials, the construction method is simple, without any stimulation and pollution to the user, and will not cause harm to the human body It can be cut and rolled arbitrarily, and it is relatively safe and reliable in transportation, with low loss.
3. Polyurethane
This type of product is generally used in cold storage, refrigerated trucks or safes. It has good thermal insulation effect and is applied to petrochemicals, metallurgy, etc., especially in the outer layer of various composite directly buried pipelines buried underground Protection can be used to the greatest extent.
4. Rock wool tube
In the partition wall of the construction industry, these products have been widely used, especially for those pipes with small pipe openings, which can be quickly implemented. In addition, the waterproof rock wool pipe has moisture resistance, water repellency and temperature exhaustion. Special performance, suitable for use in rainy environments.
What are the pipe insulation materials: characteristics
1. Compared with some commonly used pipeline insulation materials, such products have much lower thermal conductivity, and the insulation effect has been improved by 4-9 times, and the water absorption rate is also very low, about 0.2kg / m2, plus insulation The high-density polyethylene protective shell with good waterproof performance on the outer layer and the outside has changed the condition of traditional wet trench laying heating pipes "wetted cotton jacket", greatly reducing the overall heat loss of the heating pipe, the heat loss of the heating network is 2%, less than International 10% standard requirement.
2. Due to its special structure, it effectively isolates the infiltration of gas and water, and has an excellent anti-corrosion effect, and its foaming pores are closed and the water absorption is very small, so the working steel pipe skin is difficult to be exposed to outside air Water erosion, as long as the internal water quality of the pipeline is handled well, the service life of oil pipeline insulation can reach more than 50 years, which is 3 to 4 times higher than the traditional trench laying and overhead laying.
Summary: Well, the above is about what the pipeline insulation materials are . I hope to provide you with some help. I believe that in the future selection of pipeline insulation materials, friends will be more handy and buy their own satisfactory products.
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