Automatic production control method for brown coal drying upgrading
A production control method, lignite technology, applied in the direction of self-adaptive control, general control system, control/regulation system, etc., can solve the calorific value of upgraded coal, large fluctuations in water content, increase in human resource costs, and unstable product quality and other issues, to achieve the effect of saving human resource costs, ensuring the quality of finished coal, and realizing efficient utilization
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[0018] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0019] figure 1 The automatic production control method of lignite drying and upgrading provided by the implementation of the present invention is shown, the method includes:
[0020] In step S101, define the input variable, output variable and intermediate variable of the system, in the lignite drying process, set dQ 1 Indicates the heat entering the system per unit time, dQ 2 Indicates the heat leaving the system per unit time, dQ 3 Indicates the heat increment contained in the raw coal in the rotary kiln per unit time, then the heat balance equation of the system can be established as dQ 1 -...
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