| 摘要 |
<p>The heating surface of the boiler is split into several smaller sections, which can be brought into operation when required. During operation of the plant these sections are at various pressure levels. The combustion chamber with the flame tube(s) belongs to the higher pressure side of the boiler installation. This pressure is, at nominal load, in the order of 6 to 20 bar. At least one block of heating tubes in part of it belongs to the lower pressure section of the plant.</p> |
