Process for preparing extremely large cakes of coal for coking
阅读：981发布：2022-06-07
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1. A METHOD FOR PREPARING FROM COAL HAVING A MOISTURE CONTENT AT THE MOST EQUAL TO ABOUT 4% BY WEIGHT, AN EXTREMELY LARGE CAKE OF COAL APPROXIMATING TWENTY TONS TO BE INSERTED EN MASSE INTO A COKE OVEN, SAID METHOD COMPRISING: PULVERIZING SAID COAL, PREPARING AN EMULSION CONTAINING BY WEIGHT ABOUT 20% OF WATER AND ABOUT 80% OF A MIXTURE OF VISCOUS OILY MATERIALS HAVING A VISCOSITY EXCEEDING 300 SECONDS AT 100*F. (SAYBOLT UNIVERSAL), INTRODUCING SAID EMULSION INTO THE THUSLY PULVERIZED COAL FOR COATING SAID COAL, IN A QUANTITY SUCH THAT THE AMOUNT OF VISCOUS OILY MATERIALS IN SAID COAL IS EQUAL TO ABOUT 4% BY WEIGHT WHEREBY A BONDING OF THE PULVERIZED COAL IS OBTAINED WHILE THE TOTAL MOISTURE CONTENT OF THE COATED COAL IS LESS THAN 5% BY WEIGHT, AND SUBSEQUENTLY STAMPING THE THUS OBTAINED PRODUCT IN ORDER TO OBTAIN A PREFABRICATED CAKE OF COAL OF HIGH BULK DENSITY BETWEEN ABOUT 62 TO 68 LBS. PER CU. FT.
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