Apparatus for plugging the taphole of a shaft furnace

Details Apparatus for plugging the taphole of a shaft furnace Apparatus for plugging the taphole of a shaft furnace

1984-03-23

1985-12-10

Rutledge, L. Dewayne

Metallurgical apparatus

Means sealing or opening aperture in vessel

By means plugging aperture

C21B 712

Patent

active

045574685

ABSTRACT:
An apparatus for plugging the taphole of a shaft furnace is presented which comprises a fixed support frame having a main pivoting joint and a jib device. The jib consists of a rotary support joint. The other end of the rotary support arm having one end which is pivotably mounted on the main pivot joint. The other end of the rotary support arm is pivotably mounted via an auxiliary pivot to a clay gun. A hydraulic jack having a piston and cylinder arrangement is mounted on journals in the fixed support frame. The piston rod portion of the hydraulic jack actuates the support arm wherein the arm and the clay gun attached thereto pivot from a retracted position into an operative position or vice versa. An important feature of the present invention is that the support arm has a bend therein such that the inside of the bend is disposed about the journals of the jack when the clay gun occupies its retracted position. Thus, the journals in the fixed support frame which secure the hydraulic jack are juxtaposed to the main pivoting joint. Still another important feature of the present invention is that the hydraulic jack is positioned so as to continually move through a groove or recess provided for it in the rotary support arm.

REFERENCES:
patent: 3667748 (1972-06-01), Dienenthal et al.
patent: 3765663 (1973-10-01), Legille et al.
patent: 4201373 (1980-05-01), Ulveling et al.
patent: 4220321 (1980-09-01), Brucher
patent: 4227682 (1980-10-01), Ulveling et al.
patent: 4247088 (1981-01-01), Ueno et al.

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