pulverized coal briquette making machine xia
Firstly, 550 mg pulverized coal was pressurized to 500 t/cm 2 for 3 min to make coal cake. The diameter of coal cake was 13 mm, the thickness was 2~3 mm, and the surface was smooth. The coal cake was put on the slide of the sample table of the horizontal contact angle measuring instrument. The sample table was lifted slowly.
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