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Why does the tunnel kiln adopt a top-jet external combustion system?

2019/12/18 11:31:08      c
The tunnel kiln adopts a top-jet external combustion system, a single-wall composite wall, and a mouth as the temperature suspension transition section. Therefore, according to the sensitive ceramic fiber module suspended flat roof structure of the block brick, the gradient drying process is effectively controlled by the difference in the coefficient of heat transmission value of the kiln wall. And heat storage rate, according to the principle of utilization of thermal radiation efficiency and the length of the combustion flame, etc., the general tunnel adopts a large cross section and a low code layer structure, which can achieve energy saving and large-scale production and cross section structure. The entrance kiln, cut-off door and exit oxygen supply door are set on the tunnel kiln, and the waste heat recovery system is cut off to ensure that the temperature curve is a typical parabola. The principle of heat conduction and heat radiation is fully used to effectively promote the air pressure balance of the lateral airflow Controlling the temperature at which the brick exits the kiln is below 40 C, which is also the key to the energy saving and fast fire of the melting kiln. The low code layer external combustion tunnel kiln has a large fire escape channel in the code blank method, which can effectively prevent the flame from directly washing the burned product.
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