A HOOD DEVICEF FOR COLLECTING DUST IN FURNACE

摘要

A dust collecting type hood apparatus having a dust collecting unit 500 for preventing flame and exhaust gas leakage from a converter to prevent air pollution and facilitating dust collection is introduced. The converter hood apparatus according to the present invention includes a cylindrical inner hood 110 for collecting exhaust gas generated in a converter, an outer hood 120 having an inner peripheral surface facing the outer peripheral surface of the inner hood 110, And a skirt 130 contacting the outer circumferential surface of the inner hood 110 and having an outer surface in contact with an inner circumferential surface of the outer hood 120 to be lifted and lowered at a space formed between the inner hood 110 and the outer hood 120, (100); An air pipe 210 disposed around the hood unit 100 to supply cooling air to a space formed between the inner hood 110 and the outer hood 120 and an air pipe 210 coupled to an end of the air pipe 210 An upper cooling unit 200 including an injection nozzle 220; A hood cover 300 including a flat plate 310 supporting the lower end of the hood unit 100 and a plurality of vertical plates 320 extending in the vertical direction in the flat plate 210; A dog house upper part 400 having a concave groove 410 formed along an end of the vertical plate 320 so that an end of the vertical plate 320 can be received; A dust collecting part 500 including a water supply line 510 connected to the concave groove 410 and a drain line 530 installed outside from the concave groove 410; And a PLC 700 for controlling the dust collecting units 400 and 500.;A converter, a dust collector, a hood, an upper cooling unit,