CONDITION OF THE IMPELLERS IN HYDRAULIC GENERATING SETS AT THE SAYANO-SHUSHENSKOE HYDROELECTRIC POWER PLANT AND BASIC TRENDS IN MAINTAINING THEIR SERVICEABLITY

V. I. Bryzgalov; A. A. Klyukach

首页> 外文期刊>Hydrotechnical Construction >CONDITION OF THE IMPELLERS IN HYDRAULIC GENERATING SETS AT THE SAYANO-SHUSHENSKOE HYDROELECTRIC POWER PLANT AND BASIC TRENDS IN MAINTAINING THEIR SERVICEABLITY

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CONDITION OF THE IMPELLERS IN HYDRAULIC GENERATING SETS AT THE SAYANO-SHUSHENSKOE HYDROELECTRIC POWER PLANT AND BASIC TRENDS IN MAINTAINING THEIR SERVICEABLITY

机译：SAYANO-SHUSHENSKOE水力发电厂水力发电机组中叶轮的状况以及维持其使用寿命的基本趋势

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The impellers is an all-welded component, and is completely fabricated from high-strength cavitation-resistant stainless steel 00Kh12NZD. It consists of 16 blades welded onto upper and lower rings. The upper ring was cast in halves, which were joined by molten-slag electric-arcless welding. The lower ring is fashioned from curved shells of thin-sheet rolled stock bent in a die and welded to one another. The blades are made of thin-sheet rolled stock by bending in a die. The impeller is a type RO 230/833-V-677. It was manufactured by the Production Union Leningrad Metallurgical Plant. The greatest outlays have been expended for work involving elimination of cracks and cavitation failures. Several cases of breakage of a portion of a blade during operation of the generating sets have occurred during the elapsed service life.

机译：叶轮是全焊接部件，完全由高强度抗气蚀不锈钢00Kh12NZD制成。它由16个叶片焊接在上下环上组成。上环铸成两半，并通过熔渣无电弧电弧焊接在一起。下环是由弯曲的薄板轧件的弯曲壳制成的，该弯曲壳在模具中弯曲并相互焊接。刀片通过在模具中弯曲而由薄板轧件制成。叶轮是RO 230 / 833-V-677型。它由列宁格勒生产工会生产。花费最大的精力用于消除裂纹和气蚀故障的工作。在经过的使用寿命期间，已经发生了在发电机组的操作期间叶片的一部分断裂的几种情况。

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《Hydrotechnical Construction》 |2000年第1期|p.29-32|共4页
作者
V. I. Bryzgalov; A. A. Klyukach;
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CONDITION OF THE IMPELLERS IN HYDRAULIC GENERATING SETS AT THE SAYANO-SHUSHENSKOE HYDROELECTRIC POWER PLANT AND BASIC TRENDS IN MAINTAINING THEIR SERVICEABLITY

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