Rotary kiln equipment are usually in the stands when to turn off the fan , let rotary kiln heat by natural air cooling , in the discharge time to pay special attention to not let the material calcined section and parallel segments . Rotary kiln temperature is not above 300 ℃ , because if the rotary device temperature is too high, the device 's metal parts small parts of what will be undermined . If the kiln temperature exceeds the standard must be used free of anthracite limestone added to the kiln, rotary kiln in order to control the temperature.

Sealed kiln precautions and practices are as follows:

1, pellet production line, The rotary air cooling occurs suddenly stopped , it may make the material between the blocks are bonded together, or the material block and the kiln wall stick together , rotary kiln unsealed will affect the normal operation, thereby affecting the calcined material , is not conducive to quality improvement . Staff specific practices : a few days before the closure of the kiln should have a lower rate of blending process, so that there is no stick in the kiln kilns and nodulation case then sealed kiln, blending rate reduction according to the number of letters the number of days the kiln, kiln firing and burnt raw to determine the circumstances . Then reduce the blending ratio of the original mix of materials at high temperature layer replacement down to reach the kiln Xiehuo cooling, so that the material temperature is below the sticky kiln temperature.

2, sealing the kiln process the order with mixed materials. Specific practices: Increased sealed rotary kiln according to blending ratio of the number of days, usually within 1 - 2 months within. In 1% - 5% range, the number of days gradually less sealed kiln, blending ratio corresponding to an increase or decrease more, more than the number of days closed kiln, blending rate accordingly to increase more, in short, between the two is a relationship.

3, the rotary kiln unsealed, blending rate adjustment situation. Specific practices: immediately stop air, limonite rotary kiln, closed kiln door, bell mouth sealed. Use of gravel and compacted gravel surface to seal top with lime material surface, do not leak, blending to achieve a normal number.