Hoffman kiln for brick and tile production line
Hybrid Hoffman Kiln (HHK) technology is developed and widely used in China. It is a modified version of Hoffman kiln technology which was developed in Germany in mid-19th century. In the Hybrid Hoffman Kiln, hot flue gases exiting from the kiln is di
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Hoffman kiln is a continuous, moving fire kiln in which the fire is always burning and moving forward through the bricks stacked in the circular, elliptical or rectangular shaped closed circuit with arched roof. The fire movement is caused by the draught provided by a chimney or a fan.
The original design of Hoffman kiln has a circular circuit around a central chimney. However, this design has been modified with time and now Hoffman kiln with elliptical or rectangular shape are more in practice.
Hybrid Hoffman Kiln (HHK) technology is developed and widely used in China. It is a modified version of Hoffman kiln technology which was developed in Germany in mid-19th century. In the Hybrid Hoffman Kiln, hot flue gases exiting from the kiln is directed to pass through the drying tunnel to utilize the heat in drying of green bricks. Also the green bricks produced by mixing powdered fuel with clay (internal fuel). These features, combined together, lead to lower energy consumption and reduction of air pollution.
The original design of Hoffman kiln has a circular circuit around a central chimney. However, this design has been modified with time and now Hoffman kiln with elliptical or rectangular shape are more in practice.
Hybrid Hoffman Kiln (HHK) technology is developed and widely used in China. It is a modified version of Hoffman kiln technology which was developed in Germany in mid-19th century. In the Hybrid Hoffman Kiln, hot flue gases exiting from the kiln is directed to pass through the drying tunnel to utilize the heat in drying of green bricks. Also the green bricks produced by mixing powdered fuel with clay (internal fuel). These features, combined together, lead to lower energy consumption and reduction of air pollution.
Details of the Hoffman kiln
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