Shaft furnace for burning or firing and sintering material...

Details Shaft furnace for burning or firing and sintering material... Shaft furnace for burning or firing and sintering material...

F - Mech Eng,Light,Heat,Weapons

27

B

39/34, 39/67

F27B 1/22 (2006.01) C04B 2/12 (2006.01) F27B 1/08 (2006.01) F27B 1/16 (2006.01)

Patent

CA 1172034

Abstract of the Disclosure A shaft furnace for burning or firing and sintering material, such as limestone, dolomite, etc. in lump or pellet form, in which the cooling air is introduced into the external cooling air duct in the vicinity of the furnace bottom, flows upwardly through the air duct and downwards through an internal cooling air duct and then passes from an air outlet of internal cooling air duct positioned in the vicinity of the furnace bottom into a first bustle pipe or the like surrounding the shaft furnace. A combustion air duct is supplied with combustion air from a first bustle pipe. A fuel gas supply line runs within the external cooling air duct.

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