| 摘要 |
A separation apparatus for support rolls in a hydrochloric acid tank is provided to improve pickling quality of an electrical steel sheet, secure operational safety, and improve operational efficiency by dismantling and exchanging support rolls in the hydrochloric acid tank more promptly and easily. A separation apparatus for support rolls(110) in a hydrochloric acid tank(100) comprises: a roll pushing machine(200) including a body(210) moving along rails(R) arranged in parallel to each other outside the hydrochloric acid tank, a guide(220) installed on the body, a rack gear(230) movable toward the support roll along the guide, a pusher(260) fixed to a front end face of the rack gear and inserted into one end of a shaft of the support roll, and a pinion gear(240) engaged with the rack gear and driven to rotate by an operation motor(250); and a support(300) installed at the opposite side of the roll pushing machine, the support including a hanger(320) hanged to the hydrochloric acid tank, a fixed member(310) to which the hanger is fixed, a pair of lower rolls(330) laid under a top face of the fixed member and rotatably installed, and an upper roll(340) spaced from the lower rolls to pass the support roll through between the lower rolls and the upper roll, installed on the fixed member, and rotated by a support motor(350).
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