Hoffman Kiln Clay Brick Production Line - China

A Hoffman kiln consists of a main fire passage surrounded on each side

by several small rooms.

Each room contains a pallet of bricks.

In the

main fire passage there is a fire wagon that holds a fire that burns

continuously.

Each room is fired for a specific time, until the bricks

are vitrified properly, and thereafter the fire wagon is rolled to the

next room to be fired.

Each room is connected to the next room by a

passageway carrying hot gases from the fire.

In this way, the hottest

gases are directed into the room that is currently being fired.

Then the

gases pass into the adjacent room that is scheduled to be fired next.

There the gases preheat the brick.

As the gases pass through the kiln

circuit, they gradually cool as they transfer heat to the brick as it is

preheated and dried.

This is essentially a counter-current heat

exchanger, which makes for a very efficient use of heat and fuel.

This

efficiency is a principle advantage of the HHK, and is one of the

reasons for its original development and continued use throughout

history.

In addition to the inner opening to the fire passage, each room

also has an outside door, through which recently-fired brick is removed,

and replaced with wet brick to be dried and then fired in the next

firing cycle.

Any fuel may be used in a HHK, including coal, gasoline,

natural gas, heavy petroleum and wood fuel.

The dimensions of a typical

HHK are completely.

Hoffman Kiln Clay Brick Production Line

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Company Contact:

• Posted By: Shaanxi Ibrick Technology Co.,Ltd

• Phone: 862963364065

• Address: Rm-B21811,fortune plaza,High-tech 3rd Rd, High-Tec, Xi'an, China

• Email:

• Website: http://www.ibrick.cc

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