JB/T 5279-1998 This standard is a revision of JB/T 5279.1-91 and JB/T 5279.2-91. This standard specifies the structural type, basic parameters, requirements, test methods, inspection rules and marking, packaging, transportation, storage and other requirements of vibrating fluidized bed dryers. This standard applies to horizontal vibrating fluidized bed dryers driven by vibration motors.