| 摘要 |
<p>The feedwater of a steam generator (10) and particularly the feedwater to a heat recovery steam generator (10) is injected with non-volatile chemicals such as trisodium phosphate to maintain a desired pH. The use of the non-volatile chemicals is possible because the system includes the recycle of blowdown from the steam drums (28, 48, 54) to the feedwater line at a point downstream from the condensate pump (20) and downstream from where feedwater (18) is extracted for attemperation.</p> |
