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柴油發電機組突然熄火原因

人氣:1267 發表時間:2020-12-21

      1.柴油發電機組在運行時主動熄火,轉速逐漸下降 。
        主要原因是油箱里面的柴油用完,可能是油箱開關翻開;或許是油箱通氣孔,燃油濾清器和輸油泵被堵塞;或許是油路不密封進了空氣,產生“氣阻”(熄火前伴有轉速不穩現象)這個時候要對低壓油路進行檢查,主要檢查油箱,濾清器,油箱開關,輸油泵有沒有堵塞,缺油或開關沒有翻開等,然后擰松噴油泵上的氣螺釘,按下燃油泵按鈕,查詢放氣螺釘處的流油狀況,假設沒有油流出來,那就是油路堵塞,假設流出來的油里面有氣泡,那就是油路里面進了空氣,要逐段檢查掃除。
        2.主動熄火的時候,運轉連續的不穩定,并且有失常的敲擊聲。
        主要原因是活塞銷開裂,曲軸折斷,連桿螺栓折斷或松脫,氣門卡簧,氣門鎖片墜落,氣門桿或許氣門彈簧折斷,形成氣門墜落等。柴油發電機運轉時一旦發現機組呈現這種狀況的時候,要馬上停機檢查,避免形成嚴峻的機械事端,能夠送到專業維修點做個全面的檢查。
        3.柴油發電機主動熄火的時候,轉速會逐漸下降,運轉不穩定,排氣管冒白煙。
        主要原由于柴油里面有水,氣缸墊損壞,或許主動減壓被損壞等。需要更換氣缸墊,調整減壓組織。
        4.主動熄火前沒有失常,就突然熄火。
        主要原因是柱塞或許噴油器針閥被卡死,柱塞彈簧或壓彈簧折斷,噴油泵操作拉桿及其銜接的銷墜落,噴油泵驅動軸和主動盤的固定螺栓松脫后,軸上的鍵由于松曠而被剪平,導致驅動軸或許主動盤產生滑動,使驅動軸不能帶動噴油泵工作。

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