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Time:2023-11-06 Views:1
When increasing the ventilation resistance of the tertiary air branch to enhance the ventilation capacity of the kiln branch, the ventilation resistance of the kiln branch will also increase. As a result, the total resistance of the system may increase, leading to an increase in wind power consumption. Therefore, the greater the ventilation volume inside the kiln, the better, as long as it is moderately large. Moderately large ventilation inside the kiln will slow down scaling and reduce ventilation resistance. However, an increase in wind speed and the resulting increase in dust emissions will increase the loss of dynamic pressure head, which is proportional to the square of wind speed. Therefore, the requirement for reducing ventilation resistance in the kiln branch still exists. In addition, it is necessary to achieve precise distribution of secondary and tertiary air volume while minimizing the excess air coefficient at the outlet of C1 cylinder. Some production lines consciously or unconsciously rely on increasing the suction force at the C1 cylinder outlet to solve the problem of low ventilation volume in the kiln when the ventilation inside the kiln is insufficient and the tertiary air is too high, resulting in an increase in electricity and heat consumption, which is very uneconomical.
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