| 摘要 |
The invention relates to a steam boiler applicable to producing power steam. According to the invention, the steam boiler has a combustion chamber including the initial burners (1 ... 8) as well as four additional burners (9 ... 12) located on a front wall (13), positioned symmetrically relative to the combustion chamber axis, each being connected to a corresponding mill, so that the operation time availability at the nominal load exceeds 88 % and the thermal yield reaches a value of 91.8 ... 92.1 %.
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