Shaft furnace for heat treatment of materials

Details Shaft furnace for heat treatment of materials Shaft furnace for heat treatment of materials

F - Mech Eng,Light,Heat,Weapons

27

B

39/53

F27B 1/00 (2006.01)

Patent

CA 1144751

SHAFT FURNACE FOR HEAT TREATMENT OF MATERIAL Abstract of the Disclosure A shaft furnace comprises a body made up of superimposed heated sections each of which is provided with a tubular member having its walls arranged at an angle of 3 to 4 deg. to the longitudinal axis of the furnace. The tubular members are partially inserted one into another with a gap formed therebetween; the opening area of the lower portion of each tubular member of one section is 20 to 25 per cent smaller than that of the upper portion of the adjacent underlying tubular member of the furnace section. In the area of gaps the upper portions of the tubular members are formed with pockets which are connected with outlet pipes intended for discharging gaseous and vaporous fumes from the furnace shaft.

368769

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