| 摘要 |
1,155,825. Flow control in ammonia synthesis. NUOVO PIGNONE S.p.A. 13 July, 1966 [14 July, 1965], No. 31448/66. Heading C1A. [Also in Division F1] In an ammonia synthesis process, the recycle rate of flow is regulated by a series of manually or automatically adjustable vanes hinged to the non-movable part of a centrifugal re-cycle compressor, inside the mouth of the gas-inlet duct thereof; the impeller of the compressor is keyed on the same drive shaft as those of the centrifugal compressors for the synthesis gas. |
