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Product introduction

一、   适用范围

1.常减压装置

二、   产品简介

国内炼厂在加工较劣质原油时,多采用液氨作为中和剂,随着原油性质的变差,液氨用量不断增加,生成的铵盐所产生的垢下腐蚀日益严重。本缓蚀剂是针对此情况,用有机多胺增链合成,再经精确复配。本剂的主要优点有:1.极性基团成膜更加致密,排列更加整齐,非极性基团疏水膜更耐冲刷。2.沸点较高,PH值更易控制,可以很好地控制在6.57.5的范围以内;实验表明,塔顶p H 值在6. 57. 5 的范围内腐蚀最轻,当p H 值小于6 , HCl 的腐蚀性加强,p H 值大于 8 ,H2 S 的腐蚀作用增强。3.有效避免了生成N H4 Cl N H4 HS导致的垢下腐蚀。此缓蚀剂缓蚀率大于98%,经在多家炼厂使用,得到了很高的评价,对初馏塔,常减压塔顶部塔板、馏出线、冷凝冷却器等设备管线有优良的缓蚀性能。

三、质量技术指标

项 目

指 标

外观

红褐色液体

缓蚀率

≥98%

密度 20℃

0.97-1.05g/cm3

运动粘度40℃

35mm2/s

闪点

≥80℃

凝点

10℃

溶解性

任意比例溶于水

四、用途及使用方法

1.用脱盐水15-30均匀稀释后,用计量泵连续注入塔顶冷凝系统。按系统处理量的10--40ppm注入,前期注入量为正常期的二倍,三天后每天依次按5ppm的速度递减至正常使用量。

2.本剂冬天使用时可适当用蒸汽加热。

五、包装与储运

产品分25kg桶和200kg桶两种包装。宜放阴凉通风处,不可靠近明火。文明装卸,不可撞击。

六、安全注意事项

  使用本品者应戴乳胶手套及防护眼镜。如遇本物触及皮肤时可用大量水冲洗后再用肥皂洗净即可;如遇本物品溅入眼睛请在现场立即用水充分清洗之后再请医生检查处理;如遇火灾,可用1211、干粉、泡沫、CO2 等灭火器以及黄砂灭火。

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