The Nature and Use of Thermal Insulation Data
In addition to the thermal conductivity of the data, the water absorption, quenching function and strength of the data should also be considered. The functional characteristics of different adiabatic data can be found in the corresponding classification guide.
Heat preservation data generally refer to data whose point heat coefficient is less than or equal to 0.2.
In construction and industry, good insulation technology and inion can often achieve twice the result with half the effort. Statistics show that every ton of mineral cotton insulation products used in construction can waste a ton of oil a year. The application status of Beijing Anyuan Beili Energy Conservation Zone indicates that the coal saving rate per unit area is 11.91 kilograms per square meter per year. The thermal insulation of industrial equipment and pipeline can obviously reduce consumption energy consumption and cost, improve environment and have better economic benefits by adopting good thermal insulation measures and materials. For example, in industrial equipment and pipeline engineering, good thermal insulation conditions can reduce heat loss by about 95%. Usually, the investment in thermal insulation materials can be emitted through waste energy in about a year.
Mineral cotton and mineral cotton products are a kind of high quality thermal insulation material, which has been consumed and used for more than 100 years.
The basic feature of editing this section is that the heat preservation data generally refers to the data whose point heat coefficient is less than or equal to 0.2. In construction and industry, good insulation technology and inion can often achieve twice the result with half the effort. Every ton of mineral cotton insulation products used in construction can waste a ton of oil a year. The thermal insulation of industrial equipment and pipeline can obviously reduce consumption energy consumption and cost, improve environment and have better economic benefits by adopting good thermal insulation measures and materials.
Light weight, ordinary 10-96 kg/m3, 20 kg/m3 below felts, 24-48 kg/m3 for medium-hard board, 48-96 kg/m3 for hard board, of which 48 kg/m3 can be used as ceilings, hardening point is about 500 degrees C, heat preservation 300 degrees C, the United States uses a larger amount, k = 0.9.
Calcium silicate insulation products were successfully developed in the 1970s. They have the characteristics of high compressive strength, low thermal conductivity, convenient construction and reusable. They are widely used in power fragmentation.
Most of the world's consumption is small workshop type. Later, four consumption lines were introduced from the United States. They have advanced technology, fast-dissolving and quick-twisting fibre-forming, dry needle-punched felt, and their quality fluctuates. They can withstand 800-1250 degrees C of temperature.
Characteristic: Acidity derivative over 2.0, low temperature resistance, more than 1000 C in general chemical pipeline, it is necessary to use this kind of data. The dissolution temperature is about 2000 degree C.
Foam plastics are made from decomposition resins and have several small holes outside. It has the advantages of low thermal conductivity, processing and moulding. It has just begun to be used in construction. Secondly used in packaging industry (such as refrigerators), underground direct buried pipeline insulation, cold storage.
Secondary products are polystyrene foam and polyurethane foam, but there are achievements in the use of construction areas. In recent years, the composite sandwich plate with black steel plate and wire mesh sandwich plate has been developed rapidly, although there are some limitations. With the increasingly stringent requirement for data in building fire protection, a new subject for the use of this data has been put forward.
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