| 摘要 |
<p>911,164. Heating liquids in bulk. KNIBB, R. G. Jan. 13, 1961 [Jan. 13, 1960], No. 1310/60. Class 64 (3). [Also in Group I] Sewage sludge, supplied by conduit 7 to inlet 9, enters the pipe 5, which is heated by pipes 6, and under the pressure of a gas introduced via conduit 8 at 10 is heated as it rises up the pipe 5, finally leaving the heating pipe at 16.</p> |
