The common application types and design choices of ther […]
The common application types and design choices of thermal insulation materials in buildings should meet the requirements of GB / T 17369-1998 "Application Types and Basic Requirements of Building Thermal Insulation Materials". In addition to the thermal conductivity of the material, the water absorption, combustion performance, and strength of the material should be considered. See the corresponding classification guide for the performance characteristics of different insulation materials. Inorganic thermal insulation materials are generally materials with a guiding thermal coefficient of less than or equal to 0.2. Adopting good thermal insulation technology and materials in construction and industry can often achieve more results with less effort. Statistics show that for every ton of mineral wool insulation products used in buildings, one ton of oil can be saved in a year.
The adoption of Beijing energy-saving communities shows that the coal-saving rate per unit area is 11.91 kg of standard coal per square meter per year. Insulation of industrial equipment and pipelines, with good thermal insulation measures and materials, can significantly reduce production energy consumption and costs, improve the environment, and have good economic benefits. For example, in industrial equipment and pipeline engineering, good thermal insulation conditions can reduce heat loss by about 95%. The investment usually used for thermal insulation materials can be recovered by saving energy in about one year. Before 1980, the development of thermal insulation materials in China was very slow. A small number of thermal insulation material factories could only produce a small amount of expanded perlite, expanded vermiculite, slag cotton, ultra-fine glass wool, microporous calcium silicate and other products. Mineral wool There are few factories, the production capacity is less than 10,000 tons, and there are only 3 thermal insulation materials for loose cotton and calcium silicate, with an annual output of 8,000 cubic meters. The quantity and quality of the products cannot meet the requirements.