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How to Stabilize Rotary Kiln Coal Combustion Conditions?
Topic Started: 24 Oct 2014, 04:39 PM (55 Views)
juice
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Rotary kiln is widely used in the cement making plant, which is the main equipment in the cement production line. The kiln firing response requires a stable combustion conditions, so that the combustion condition is the key part of the kiln system. When the kiln hood pressure data stabilized at 0-30pa time (to real data and with the size of the kiln hood), it shows the amount of air passing is stable. Such coal combustion conditions (excess air ratio) can be guaranteed.

First of all, it is the whole point of firing pulverized coal combustion air runtime with balance. Firing pulverized coal combustion air system needs about 93 percent go through the kiln hood (the rest is supplied by coal burner fan). Secondly, when the high temperature data at this location (preferably a large kiln hood when ≧ 1150 ℃) and stable system of coal consumption can be reduced.It is also important that the temperature data is an observation point performance and clinker cooler quenching effect. When the secondary air temperature ≧ 1150 ℃ (large kiln hood). Description clinker quenching effect is good (reasonable detection position). The opposite is not good enough.

Therefore, only the two data stable combustion conditions and combustion conditions can be stabilized before the pulverized coal (other conditions unchanged). Stable operation of the system will have protection. On the other hand, it is difficult to stabilize other operating parameters of the system. And to make the system easier to appear and ring kiln, preheater blockage skinning process failures.

To stable the operation of this parameter, it will associate the cooler for wind turbine exhaust fan opening and the head of operations. Associate open coal mill downtime. So all the fans all parts of the kiln into a complete system to ensure accurate and stable system of air usage. Changed the way people had to be adjusted first generation and exhaust fan mistake. Also making people stop in the open coal mill to pay attention to the amount of the increase for the wind.

horizontal kiln: http://www.sinojawcrusher.com/companynews/248.html
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