Nonferrous metal smelting unit

Details Nonferrous metal smelting unit Nonferrous metal smelting unit

F - Mech Eng,Light,Heat,Weapons

27

D

39/97

F27D 25/00 (2010.01)

Patent

CA 1202177

-22- NONFERROUS METAL SMELTING UNIT ABSTRACT OF THE DISCLOSURE A nonferrous metal smelting unit comprising a converter whereupon there is mounted a tuyere cleaning device which can be set in reciprocating motion in front of the tuyeres. The tuyere cleaning device a comprises an air cylinder with a rod having a replaceable tapping bar at its free end, and a locking valve installed in the piston part of the air cylinder. The air cylinder is rigidly connected to a pneumatic distributor which is connected by a pipeline to a locking means which, in turn, is connected by pipe- lines to a clamping means and a control assembly. The latter comprises pneumatic distributors, each provided with an electromagnetic control means, and a pressure gauge with a limit switch. One of the pneumatic distributors is connected by pipelines to the locking valve and the locking means, and electrically connected to the limit switch of the pressure indicator connected by a pipeline to an air distributor. The second pneumatic distributor is connected by pipelines to the locking means and to a drive mechanism. The invention is applicable to nonferrous metallurgy where it can be used for the smelting of copper-nickel mattes.

400629

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