Method for judging fluidity of raw coal
A technology of fluidity and raw coal, which is applied in the field of judging the fluidity of power coal and the simple field of judging the fluidity of raw coal, can solve unreasonable problems, achieve scientific and reasonable discrimination methods, simple and convenient evaluation methods, and high industrial application value.
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[0015] The present invention will be described in further detail below in conjunction with examples.
[0016] A method for judging the fluidity of raw coal according to the present invention comprises the following steps:
[0017] The first step: According to "GB / T 211 Determination Method of Total Moisture in Coal" and "GB / T 212-2008 Industrial Analysis Method of Coal", the total moisture M of raw coal is obtained by testing t (%) and air-dry basis moisture M ad (%);
[0018] Step 2: Calculate the external moisture M of the coal sample f (%);
[0019]
[0020] Step 3: Calculate the maximum allowable external moisture M of the coal sample according to the total moisture of the raw coal fy (%);
[0021] M fy =0.741M t -0.87
[0022] Step 4: Compare the external moisture of the coal sample with the maximum allowable external moisture. When the external moisture of the coal sample is lower than the maximum allowable external moisture, the fluidity of the coal sample is...
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