| 摘要 |
613,874. Furnaces. BLAW-KNOX CO. April 25, 1946, No. 12478. Convention date, May 2, 1945. Class 51 (i)] A furnace port cooler in the form of an elongated water jacket 12 of arch section has a flat outlet passage 18 formed by welding a channel to one of its walls, with branches as 21 and 22 at its inner end, the depth of the passage being about half that of the jacket. Water circulates from the reservoir 14 returning along the branches 21, 22 and passage 18 to a trough 16 having a drain connection 17, and flushing pipes 24 and plugged holes 27 provide for the periodic elimination of sediment. |
