Rotary Kiln Feed Volume

Rotary Kiln Feed Volume

How to Achieve Control of the Rotary Kiln Feed Volume?

The operation of the rotary kiln system, the volume of feed has a very important impact on the operation of the rotary kiln. If the feed is too large or too small, it will seriously affect the operation efficiency of the rotary kiln, and even failure. Therefore, we need to control the size of the volume of feed.

The Volume of Feed Rotary Kiln as Follows:

In the calciner material powder is endothermic factor is the process object. When the volume of feed is too small, the heat capacity of the furnace, the material heat absorption, resulting in elevated furnace temperature or overheating, furnace production intensity decreased. Conversely, when the feeding is excessive, so that the concentration of the feed powder in the gas stream is too high, the unit volume of the fuel supply to the combustion heat emitted is not sufficient for the material powder of the thermal decomposition of the desired. Even more fuel does not help, can only result in a decline in material decomposition rate reduction and the furnace temperature. Therefore, the size of the volume of feed, should be based on production capacity and the main parameters of the system, the control within a certain range.

The Method of Adjusting the Volume of Feed are as Follows:

Ordinary rotary kiln volume of feed regulation is mainly based on the thickness of the layer of material in the kiln, to maintain an appropriate material in the kiln load. Feeder kiln speed synchronization to keep the the kiln material layer uniform. Adjust the amount of decomposition furnace system feed, you must take care of the two aspects can not be solely the kiln should be based on the work of more than half of the total heat consumption of the calciner, comprehensive analysis and judgment. After the decomposing furnace feeder should be corresponding changes with the kiln speed when the the kiln speed changes can maintain a generally uniform layer of material in the kiln, which will help to overcome the interference factors. As for the resulting fluctuations in the furnace, material short residence time in the furnace, the heat transfer rate, quick adjustment than the rotary kiln can quickly overcome the interference factors.

Only the volume of feed is controlled in an appropriate range in order to ensure the efficiency of the rotary kiln. When the volume of feed is inappropriate, the need for timely adjust the volume of feed adjustment method according to the above described operation.

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