扩大供热抽汽压力调节范围及采用热网回冰的两级加热，可进一步提高该型机组的节能效益。

The energy-saving results of these units can be further improved by widening the regulating range of the extraction pressure and by using tow-stage heating of district-heating return water.

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采用汽轮机抽汽间接加热方法干化污泥，污泥处理的直接成本最低，是最佳的污泥焚烧发电技术。

Drying sewage sludge by indirect heating by extraction steam from turbine is the best technology for power generation by sludge incineration because the total cost of sludge disposal is the lowest.

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解该矩阵方程可得到符合平衡关系的各级回热加热器抽汽系数，并在此基础上求得各级加热器的效率，从而简化了运用分析方法求解抽汽系数的过程。

Then the steam extraction coefficients can be got by solving the equation, furthermore the exergy efficiency of the heaters. So the calculation procedure can be simplified.

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