basis q net ar is equivalent to 6739 kcal kg 2 gross calorific value as air dried basis q gr ad is equivalent to 6751 kcal kg the above detection result shows that the total moisture of the raw bituminous coal may be decreased from 3 8 to 0 1 the content of fixed carbon may be increased from 55 07 to 82 22 and the volatile content may be decreased from 32 3 to 1 12 at the treatment temperature of 950 degree celsius the resultant products meet the standard of coke raw high sulfur bituminous coal which is not upgraded by the apparatus for manufacturing high quality coal products according to the present application is taken as a sample for detection and a detection result is as follows 1 net calorific value as received basis q net ar is is equivalent to 6517 kcal kg 2 gross calorific value as air dried basis q gr ad is equivalent to 6727 kcal kg the raw high sulfur bituminous coal upgraded by the apparatus for manufacturing high quality coal products according to the present application at the temperature of 950 degree celsius is taken as a sample for detection and a detection result is as follows.