| 摘要 |
<p>1,035,590. Filling steam generators. BORG HOLDING A.G. June 9, 1965 [June 9, 1964], No. 24410/65. Heading F4A. Steam generators are filled by evacuating the empty plant, filling the plant with a water soluble gas, e.g. ammonia, and then introducing the aqueous liquid to fill the plant and absorb the water soluble gas, thus eliminating air pockets particularly at the inverted U-bends of superheater and reheater tubes.</p> |
