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Application of insulating ceramic fiber bulk in high temperature furnace

Mar. 20, 2019

 Insulating ceramic fiber bulk is produced by melting high-purity clay clinker, alumina powder, silica powder, chrome sand and other raw materials under high temperature in an industrial electric furnace. Then, melted raw material is blown by compressed air or spun into fiber shape by a centrifuge, and the fiber is collected through a collector to form a heat insulating ceramic fiber bulk.Insulating ceramic fiber bulk can be further processed into fiber blankets, boards, paper, cloth, rope and other products.

Insulating ceramic fiber bulk, as a new type of insulating material, can be used as raw material to produce vacuum forming products; reinforcing material for heat-insulating fiber; high-temperature insulating filling materials; raw material for refractory fiber amorphous products. Its application in high-temperature furnaces is also very significant. But due to different application method of insulating ceramic fiber bulk, the results are also different. Following are three application methods of insulating ceramic fiber bulk in the high temperature furnace.

First, simplest and least durable method is wrapping. Because density of insulating ceramic fiber bulk is low. It can not be anchored. So it often falls off.

Second, for larger industrial furnaces, insulating ceramic fiber bulk can be adopted for refractory thermal insulation. The side-by-side installation method is used to firmly fix the insulating ceramic fiber bulk on the furnace wall.This method is more reliable.

Third, for the micro-furnace, we can choose to wrap the entire furnace with insulating ceramic fiber bulk, and the furnace is molded at one time. With this method the service life of insulating ceramic fiber bulk is relatively long.

The above is the use of insulating ceramic fiber bulk in a high temperature furnace. After selecting the Insulating ceramic fiber bulk as the thermal insulation material, the user can choose different methods according to their own conditions.

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