COLOANE PENTRU SUSTINEREA GLISIERELOR CUPTOARELOR DE INCALZIT SEMIFABRICATE

摘要

1449696 Insulated pipes STEIN SURFACE 21 June 1974 [29 June 1973] 27560/74 Heading F2P [Also in Division F4] In a furnace for reheating slabs, billets or blooms, a vertical water-cooled steel tube 1 which supports bars or guides (not shown) has an external flange 2 and a refractory jacket 3, 6. The flange is welded to the tube and provides the sole support for the upper part 3 of the jacket. The flange enables repair or replacement of the lower part 6 of the jacket without disturbing the upper part 3. As shown, the tube is fixed in the base 10 of the furnace. A radial expansion gap 5 is provided for the flange. There is fibrous insulation 8, 11 and 12. The jacket may be formed of prefabricated elements made of concrete or plastics. The lower part 6 may comprise overlapping bricks, Fig. 4 (not shown). The tube 1, instead of being fixed may be movable with in the furnace and have an additional flange (22), Fig. 5 (not shown), for supporting the lower part 6 of the jacket.