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汽包循環水泵的切換

作者:煤礦安全網 2015-08-02 21:11 來源:煤礦安全網

汽包循環水泵的切換
答:由于循環水泵的開停會影響汽包水位,所以切換泵前應先建立較高的汽包液位。檢查備泵的油杯油位、檢查備泵的循環水是否投用、檢查備泵是否已暖泵,盤泵兩圈后啟動備泵,后根據流量及電流開備泵出口閥,同時關閉運行機出口閥。待運行泵出口閥全關后停循環水泵。

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