Method for botting the tap hole of a shaft furnace and...

Details Method for botting the tap hole of a shaft furnace and... Method for botting the tap hole of a shaft furnace and...

F - Mech Eng,Light,Heat,Weapons

27

D

F27D 3/15 (2006.01) C21B 7/12 (2006.01) F27B 1/21 (2006.01)

Patent

CA 2067038

ABSTRACT METHOD FOR BOTTING THE TAP HOLE OF A SHAFT FURNACE AND BOTTING MACHINE FOR IMPLEMENTATION OF THIS METHOD A method is provided for botting a tap hole of a shaft furnace using a botting gun fitted with a first hydraulic actuating cylinder holding the botting gun in bearing contact against the wall of the furnace, while a second actuating cylinder actuates a piston which injects the botting mass into the tap hole. In order to limit the contact pres- sures between the tip of the botting gun and the wall of the furnace, the supply pressure P1 of the first actuating cylinder is modulated as a function of the supply pressure P2 of the second actuating cylinder. Fig. 1.

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