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廣州石化:一項小技改攻克真空泵積液難題

     近日,廣州石化火車裝油臺技術人員攻克了真空泵冷卻油積液難題,改善了抽吸吸附罐的真空效果,確保了油氣回收裝置的平穩運行。本文由上海凱太轉載發布;上海凱太主要研發制造一體化預制泵站,污水提升設備,無負壓供水設備,全自動隔油設備,切割式排污泵, 排污泵,消防泵,化工泵等;歡迎訪問上海凱太官網查詢具體產品信息。

    油氣回收裝置是裝油臺的環保設施。火車裝車時,油氣被油氣回收系統吸附罐里的活性炭吸收,然后通過真空泵抽吸活性炭里的油氣送入吸收塔由柴油吸附,實現油氣回收的目的。因此,真空泵運行是否穩定影響油氣處理回收的效率。

    之前,火車裝油臺真空泵靠手動閥門調節冷卻油(柴油)入口量來實現冷卻功能,但由于柴油的流量非恒定,在流量偏小時,真空泵出口溫度容易超高導致聯鎖停機;流量偏大時,容易導致腔體積液,降低真空泵的效能,造成真空度偏低,這兩個結果都對裝置運行不利。

    為解決這個問題,火車裝油臺技術人員通過一項小技改,在排凝口處安裝一電磁閥,并組態進裝置系統內,在系統“吸附-抽吸-回壓”循環運行的“回壓”階段,真空泵轉速由3000轉/分鐘降至100轉/分鐘時,自動開啟電磁閥排液90秒,以后系統每循環運行23分鐘排液一次,確保腔體無積液。

    技術改進后,徹底解決了真空泵冷卻油積液難題,既確保了真空泵出口不超溫,又保證了吸附罐真空度能達到工藝要求。

產品關鍵詞:一體化預制泵站 , 切割式排污泵 , 全自動隔油設備 , 污水提升設備 , 研磨排污泵 , 無負壓供水設備 , 排污泵 , QBY氣動隔膜泵 , 微型隔膜泵, G型螺桿泵

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