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Matters Needing Attention in the Ignition Process of Rotary Kiln

Published 2020/6/28 15:02:39

Rotary kilns often have some small details in the ignition process, which requires us to pay more attention to this problem. In the production process, we encounter similar problems. We must follow the requirements below so that the ignition can be completed. Let’s take a look. Right:
1. Premature coal delivery (or too much coal delivery): Coal powder is not easy to burn, even if the amount of coal is not large, the chimney also emits black smoke, the fire color becomes darker and darker, and even the flames cannot be seen. At this time, the amount of coal should be reduced Or suspend coal delivery, and wait for the temperature to burn, then send the appropriate amount of coal into the kiln.
   2. Exhaust air is too large: the flame is quickly pulled to the back, the bright place is darkened, the cooling tube is almost smokeless, and the flame stretches back and forth to fight back. At this time, the small exhaust fan shutter should be closed to reduce the pulling wind and stabilize the flame.
   3. Exhaust air is too small: the interior of the kiln is very dark, and the space between the firewood and the kiln entrance is full of gas. A large amount of dense ash smoke containing carbon monoxide is choked or poisoned from the gap between the cooling tube and the kiln door, which is difficult to observe in the kiln. At this time, the large exhaust damper should be opened to increase the pulling wind and restore the clearer condition in the kiln.
   4. The primary wind is too large: the flame swings and swirls, and under the condition of an appropriate amount of coal powder, the black flame is yellow. At this time, the primary air volume should be reduced.
   5. The primary air is too small: after the coal powder is sprayed, the coal particles fall, and the flame is soft and weak. At this time, the primary air volume should be increased.
Through the content explained in the text, you can generally understand the precautions of the rotary kiln ignition process and the avoidance methods to avoid the problems mentioned in the text. I hope that the content explained in the text will be helpful to everyone in the future use of equipment. Pay attention to this issue.


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