F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
F27D 3/00 (2006.01) F27B 1/20 (2006.01) F27B 3/18 (2006.01) F27B 5/12 (2006.01) F27B 7/32 (2006.01) F27B 9/38 (2006.01) F27B 14/16 (2006.01) F27B 15/08 (2006.01) F27B 21/10 (2006.01)
Patent
CA 2648094
A shutter mechanism for a raw material loading chute of the electrical furnace enabled to adjust and stop supplying of a raw material by provision of a sliding gate plate 1 that performs percussive hammering on a grate of the raw material loading chute is provided in an arc resistance type electric furnace enabling a molten metal to be obtained by smelting reduction of an oxide ore by carbon, by the following solution means; in which, by remote operation, a gate plate 1 connected to an air pick 20 of a sliding bed plate 5 is guided along a slit groove, advances in a grate of a raw material loading chute in a direction of a blanking plate 11, and cuts off loading of raw material from the raw material loading chute, and because in this process, the gate plate 1 repeatedly performspercussive hammering, large clumps of the raw material are crushed by a plurality of tamping rods on a blade edge of the gate plate 1 and the raw material tamped by the blade edge of the gate plate 1 is discharged from a gap of the blanking plate 11, and because the grate of the raw material loading chute is thus closed by the gate plate 1, the supplying of the raw material by the raw material loading chute can be cut off.
Kimura Yoichi
Uchiumi Michiaki
Yamamoto Hideo
Pacific Metals Co. Ltd.
Smart & Biggar
Toda Iron Works Co. Ltd.
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