Device for heating thermoplastic eyeglass frames
Device for the thermal treatment of fine granular material with
Direct heating of heat treat furnace chamber
Direct-fired stratified atmosphere furnace system
Discharge end structure for rotary retorts
Disposal of waste tires
Drum heating and mixing apparatus and method
Dry coal feed systems for combustion reactors
Drying apparatus
Drying apparatus and method
Drying of particulate material
Drying oven with heat reclamation and air pollution control syst
Drying wood pulp
Dual variable orifice for reinforced preheater
Dust recycling to rotary kilns
Energy conserving process for calcining clay
Energy conserving process furnace system and components thereof
Energy saving furnace and method of operating same
Enhanced pneumatic regenerator flow control
Equipment and process involving combustion and air