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  • 解決方案

    案例展示

    • 汽車制造
      • 脫脂液過濾
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      • 循環水過濾
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      • 面漆過濾
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      • 熱水洗過濾
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      • 汽車涂裝過濾應用
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    • 食品飲料
      • 壓縮氣過濾
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      • 罐頂呼吸過濾
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      • CIP清洗過濾
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      • 洗瓶水過濾
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      • 發酵過濾
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      • 水過濾
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    • 化工產業
      • 樹脂過濾
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      • 人造合成纖維
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      • 聚碳酸酯生產過濾
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      • 過氧化氫過濾
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      • 聚氨酯生產進程
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      • 尼龍生產
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      • 乙二醇生產
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      • 乙烯生產
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      • 聚丙烯生產
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    • 水處理
      • 飲用水過濾
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      • 鍋爐補給水處理
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      • 凝結水凈化
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      • 冷卻水回用
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    • 石油開采與煉化
      • 天然氣脫水
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      • 胺液過濾
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      • 進口氣體分離
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      • 潤滑油過濾
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      • 產成水過濾
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      • 完井液過濾
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      • 注井水過濾
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    • 電子工業
      • 超純水處理
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      • 超純氣體處理
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      • 晶圓研磨與切割廢水回
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      • 微電子空氣過濾
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      • 半導體制造廢水
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      • 液晶清洗
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    • 工程案例
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    當前位置: 首 頁 > 案例展示 > 胺液過濾

    胺液脫硫

    2019-06-15
    0次
    胺液脫硫
    詳細介紹:

    胺液脫硫過濾應用
      煉廠干氣及液化氣脫硫大多采用胺液脫硫,利用胺液吸收氣體中的H2S和CO2達到凈化目的,轉化成醇胺鹽的溶劑通過加熱汽提后釋放出H2S和CO2,再生后胺液循環使用。
      胺液脫硫過程中,除了吸收H2S和CO2外,常常也和系統中存在的其他物質發生反應或夾帶入上流管道中固體雜質,包含有熱穩鹽、硫化物、鐵屑等。極易引起起泡、結垢等問題,帶來效率降低、設備損壞的嚴重后果。
      因此,氣體脫硫中胺液過濾顯得尤為重要。飛潮過濾結合實際應用經驗,為胺液脫硫過程提出了優化的解決方案,解決了諸多生產一線的問題。
    煉廠受到困擾的主要問題:
     溶液中碳氫化合物濃度過高與有機酸形成胺液起泡,造成接觸塔和剝離塔起泡沫,引起溶劑損失、硫磺再生催化劑中毒、降低接觸率等。

    原料天然氣中的液體碳氫化合物、FeS/SS、化學處理劑等造成冷凝塔結垢、熱交換器結垢,降低效率、強烈腐蝕換熱表等致使熱力設備損壞。

    胺液過濾頻繁更換、熱穩鹽的產生、氰化物的產生、過濾介質活性炭的結垢、熱能使用增加、溶劑的添補、處理廢水的增加等等造成維修費用的不斷增加。
    起泡的原因
    ?碳氫化合物品和有機酸引起胺液起泡
    ?處理好的流體和抑腐蝕劑 ?
    ?油,抑制劑和焊接液
    ?水污染物
    ?懸浮固體 (實際上不會導致起泡卻可以起到穩定的作用)
    硫化亞鐵FeS, 細碳粉,膠狀鐵氧化物
    流入天然氣體分離差, 溶液過濾不夠
    ?天然棉線過濾器 ?
    過濾材料選擇不當
    保持一個潔凈的系統是關鍵
    ?通過控制胺水貧液和天然氣的流量降低碳水化合物的濃度
    ? 對天然氣充分過濾減少液體碳氫化合物, FeS/SS, 化學處理劑
    ? 足夠的活性碳和機械過濾
    ? 恰當選擇機械過濾材料
    ?臨時使用抗起泡劑
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