The main purpose of heat preservation is to reduce the heat loss of the heat medium in the transportation process, save fuel and ensure temperature. Insulation materials can be divided into smearing type, winding type, filling type, pouring type, spraying type, etc. according to different performance and construction methods. Ceramic fiberboard is a kind of lightweight refractory insulation material that has emerged in the past decade.
To determine the thermal insulation performance of a material, we must start with the following aspects:
Thermal conductivity: It is a parameter of the heat transfer capacity of an insulation material, reflects the thermal conductivity of the material, and is the main thermal physical characteristic of the insulation material. The thermal conductivity of ceramic fiber board at 600° is only 0.145w/(M.K).
Bulk density: Every insulation material has a reasonable bulk density, which has a smaller thermal conductivity and better insulation effect in this interval. In order to save energy and reduce the load of the insulation structure in the project, insulation materials with a small bulk density should be used as much as possible. The bulk density of the ceramic fiber board is 280kg/m3, which is 1/4 of the lightweight refractory.
Operating temperature: refers to the limit temperature that the insulation material can withstand for long-term safe and reliable work. The long-term use temperature of ceramic fiber board is between 850-1300 degrees, and it is a product with higher temperature resistance except mullite fiber.
Compressive strength: ceramic fiberboard is a semi-rigid heat-insulating material, and generally will not be damaged when subjected to compressive loads.
Coefficient of linear expansion: If the coefficient of linear expansion of the thermal insulation material is large, the interior will deform after being heated to generate greater stress and damage the thermal insulation structure. Different from conventional insulation materials, ceramic fiberboard does not expand when heated, and there is no need to reserve expansion joints during use, and it can be squeezed tightly during installation.
Chemical properties: Different use environments require insulation materials to have good chemical stability. It is acid and alkali resistant, corrosion resistant, and not easy to oxidize. Ceramic fiber board performs very well in this respect.
Insulation layer thickness: In order to reduce the heat dissipation loss of the insulation structure, the thickness of the insulation material layer should be calculated according to the ‘economic thickness’ method. The ceramic fiber board can be flexibly customized in size according to the use environment.
It can be seen that, compared with other thermal insulation materials, the thermal insulation effect of ceramic fiber board is quite outstanding.
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SHANDONG REDON HIGH-TEMPERATURE MATERIAL Co. ,LTD. has the domestic advanced production equipment and leading production technology, with an annual output of 1050 ceramic fiber series products, 1260 ceramic fiber series products, 1400 ceramic fiber series products, 1600 polycrystalline series products tens of thousands of tons. With cotton, blankets, blanket, board, paper and all kinds of textiles, special-shaped products, modules, folding, castable, spraying, etc. Various forms of more than 30 kinds of products, can meet the insulation requirements of high temperature field under different conditions, welcome to have a friend need to click the website lower right online customer service or submit online enquiry, we will contact you the first time.