Closed type calcium carbide furnace charging nozzle and process for producing same
A calcium carbide furnace, a closed technology, applied in the direction of manufacturing tools, metal processing equipment, furnaces, etc., can solve the problems of negative impact on production cost and output quality, influence on the quality of calcium carbide in furnace conditions, and easy burnout of feed nozzles, etc., to achieve improvement Material layer quality structure, process operation control, high yield, high quality, low energy consumption, and reduced heat loss
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[0015] As shown in the figure, the charging nozzle of the closed calcium carbide furnace of the present invention consists of two sets of seamless outer casings 8, seamless inner casings 9, water inlet pipes 3, water outlet pipes 4, connecting pipes 5, and flanges 7 inlaid on the bottom. The seamless inner casing 9 is placed in the seamless outer casing 8, the bottom edge is inlaid with the flange 7, the water inlet pipe 3 and the water outlet pipe 4 are installed on two sets of seamless outer casings respectively, and the connecting pipe 5 connects the two Set of seamless casings. Install the hanging plate 1 and the lifting lug 2 on the two sets of seamless outer casings, and the bottom opening has a reinforcing triangle plate 6.
[0016] Production Method:
[0017] After inserting the outer sleeve 8 and the inner sleeve 9 first, the outer sleeve 8 and the inner sleeve 9 are separated by the bottom edge inlaid flange 7, spot welded in sections, and then the same method is us...
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