Hoffman Kiln in Brick Production Line

Hoffman Kiln  is alao called roller kiln. It is desiged by a german named Hoffman, so the kiln is called hoffman kiln. Its shape is elliptic. The continuous type kiln production of baking equipment is widely used in the production of brick and tile industry in our country. And it is still widely used in some countries.

Hoffman kiln is a continuous roller kiln. The straight part is straight kiln section, the arc part is called bent kiln section. There are no cross-walls at kiln road. A kiln door was setted from the kiln wall which a few distance far, used to load green brick or come out of red brick.

The correspondence between two kiln door sections called a kiln room, or a kiln door. The size of kiln is expressed by a number of kiln doors. One firing hoffman kiln usually contains 16 to 22 doors, two firing hoffman kiln Usually has 32 to 40 doors, three firing hoffman kiln usually has 54 to 60 doors. Every kiln room distance (door distance) is about 5m. Kiln sectional size is about 2.8m high, width is 3-4m.


At present, the vast majority of domestic annular kiln brick process adopts  solid fuel coal, coal gangue, inferior coal, fly ash and coke at the end of the industrial waste as the fuel. Individual bricks and tiles plant uses fuel oil and natural gas as fuel.


In addition, some countries which are more advanced in brick industry abroad, They do a lot of improvement in the annular kiln structure in order to improve the annular kiln operation conditions, and to improve the mechanization level. Thus greatly improve the level of the operation of annular kiln production. These are worthy for us to our grope and discuss.


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