Shaft seal device of geothermal heat steam turbine
专利汇可以提供Shaft seal device of geothermal heat steam turbine专利检索，专利查询，专利分析的服务。并且PURPOSE:To prevent deterioration of material and prevent generation of erosion and corrosion in a turbine shaft part, by utilizing a fact, that mixing of air into turbine condensed water is permitted in a geothermal steam turbine for the control of water quality, and performing a shaft seal of the geothermal steam turbine with the outside air. CONSTITUTION:During operation of a turbine, if a blower 17 is operated, the outside air is sucked, as shown by arrow heads (a), into annular gaps between shaft seal packings 4b and turbine shaft 3. The outside air, flowing in through the shaft seal packings 4b, is partially seized by packets 15, and the rest of air circulatively flows in annular gaps between shaft seal packings 4a and the turbine shaft 3, to flow in turbine exhaust parts 14 and block an outflow of turbine waste steam to shaft seal parts. The air seized in the pockets 15 is released to the atmosphere by the blower 17 via an exhaust pipe 16. While the air, flowing into the turbine exhaust parts 14, is discharged to the atmosphere via an air gas extracting pipe 11 of a condenser 12.，下面是Shaft seal device of geothermal heat steam turbine专利的具体信息内容。
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