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发明授权
CN100588736C 一种石油专用油套管低温粉末包埋渗铝渗剂 有权

一种石油专用油套管低温粉末包埋渗铝渗剂
摘要：
一种石油专用油、套管低温粉末包埋渗铝渗剂，涉及一种石油专用油、套管低温快速渗铝剂，由金属源、活化剂、催化剂和填充剂组成，其中，金属源由占渗剂重量百分比10-20%的150目铝粉、10-25%的120目锌粉、10-20%的150目锌铝合金粉或10-15%的150目铁铝合金粉之一种或几种组成，活化剂由氯化氨、氯化铝、氟化钠或氟化氢钾之一种或几种组成，催化剂由占渗剂重量百分比0-3%的100目钼粉、0-3%的镧锇，其中镧和锇重量百分比为1∶1，填充剂为100目的氧化铝粉，锌铝合金粉中，铝含量的重量百分比为58.5%，铁铝合金粉中铝含量为25%，此渗铝渗剂在380-500℃即可获得渗铝层。
摘要（英）：

The low temperature quick aluminizing agent specially for petroleum pipe and casing consists of metal source, activator, catalyst and stuffing. The metal source consists of 150-mesh Al powder in 10-20wt% of the aluminizing agent, 120-mesh Zn powder in 10-25 wt%, 150-mesh Zn-Fe alloy powder in 10-20 wt% and/or 150-mesh Fe-Al alloy powder in 10-15 wt%. The activator consists of ammonium chloride, aluminum chloride, sodium fluoride and/or potassium bifluoride. The catalyst consists of 100-mesh Mo powder in 0-3 wt% and La and Os 0-3 wt%, with La and Os in the weight ratio of 1 to 1. The stuffingis 100-mesh alumina powder. The aluminizing agent is applied at 380-500 deg.c to obtain aluminized layer.

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