Furnace taphole drilling apparatus and method

Details Furnace taphole drilling apparatus and method Furnace taphole drilling apparatus and method

Category

C - Chemistry, Metallurgy

Subcategory

21

Subsubcategory

B

CPC

39/98

IPC codes

C21B 7/12 (2006.01)

Type

Patent

Patent number

CA 1165562

Description

Furnace taphole drilling apparatus and method A B S T R A C T A drill rod (16), left in place in the plug of a taphole of a shaft furnace, is withdrawn by apparatus including a conventional percussive type taphole drill which is movable along a support bar (20). The support bar (20) is provided, at the end which most closely approaches the furnace, with a guide and support head (26) which engages and supports the drill rod (16) as it is being withdrawn subsequent to loosening from the plug- ging material in the taphole.

Application Number

389627

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