| 摘要 |
<p>342,545. Soda recovery furnaces. HOLMES, J., Traisenau, Kilbarchan, Renfrewshire, and KINGCOME, A., 17, Doune Terrace, Kelvinside, Glasgow. Feb. 12, 1930, No. 4705. [Class 51 (ii).] In a rotary furnace A for soda recovery operating on spent liquor from paper &c. making, air seals C, D are provided between the ends of the furnace and the stationary furnace structure, and preheated air is supplied to the furnace through a steel casing E at the front of the furnace, and is deflected by a deflector F at the entrance. Initial heating is by an oil burner G. The liquor is fed into the front of the furnace by a pipe H, and the soda ash discharged at the rear end into a secondary furnace L, whence it is discharged in a molten condition into a tank. A scraper J is provided in the rotary furnace. The furnace gases pass by a passage M to a waste heat boiler.</p> |
