CN111876222B - 含硫化改性地沟油的结晶器铜管拉拔油 - Google Patents

含硫化改性地沟油的结晶器铜管拉拔油 Download PDF

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CN111876222B
CN111876222B CN202010687248.5A CN202010687248A CN111876222B CN 111876222 B CN111876222 B CN 111876222B CN 202010687248 A CN202010687248 A CN 202010687248A CN 111876222 B CN111876222 B CN 111876222B
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徐生林
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Abstract

本发明公开了一种含硫化改性地沟油的结晶器铜管拉拔油,包括如下重量组分:硫化改性地沟油30~70份、基础油20~40份、金属减活剂0.1~0.5份、抗氧剂0.1~0.5份、增粘剂1~7份;所述基础油为异构烷烃溶剂油和/或分子量为500~1000的聚异丁烯。本发明制得的硫化地沟油既可以起到极压抗磨剂的作用,又具有很好的润滑作用,在保证结晶器铜管拉拔油良好使用性能的前提下能够减少基础油用量,大幅度降低使用成本。本发明实现地沟油在拉拔油方面的应用,为地沟油处理提供较好的解决方法,缓解环境压力。

Description

含硫化改性地沟油的结晶器铜管拉拔油
技术领域
本发明属于结晶器铜管成型加工技术领域,涉及结晶器铜管成型加工中使用的拉拔油,具体为一种含硫化改性地沟油的结晶器铜管拉拔油。
背景技术
结晶器是承接从中间罐注入的钢水并使之按规定断面形状凝固成坚固坯壳的连续铸钢设备,结晶器铜管作为连铸机的心脏是结晶器的重要配件,在铜管内连续冷却成型拉出钢坯,为了解决铜管工作过程与冷却的坯壳时而接触时而分离的问题,结晶器铜管多为一侧弯曲的方形或矩形,且铜管内腔从上口至下口为锥形,或为锥度分段的双锥或三锥或多锥,或者抛物线型内腔形状,上段或上部分的锥度大于下段或下部分的锥度,结晶器铜管的特殊结构使得其对加工工艺要求较苛刻,否则会严重影响铸坯质量。拉拔油是制备高精度、高光泽结晶器铜管的必要条件,但现有技术中现有技术中的金属加工用拉拔油如不锈钢拉拔油、铜管拉拔油等均存在使用成本较高的问题。
发明内容
本发明目的为克服上述现有技术中的问题,提供一种含硫化改性地沟油的结晶器铜管拉拔油。
为实现上述目的,本发明所采用的技术方案为:一种含硫化改性地沟油的结晶器铜管拉拔油,其特征在于:包括如下重量组分:硫化改性地沟油30~70份、基础油20~40份、金属减活剂0.1~0.5份、抗氧剂0.1~0.5份、增粘剂1~7份;所述基础油为异构烷烃溶剂油和/或分子量为500~1000的聚异丁烯。
进一步的,所述硫化改性地沟油是由如下步骤制得:
步骤一,地沟油经除水除杂后,于150~200℃下加热搅拌0.5~1h,然后降温至100~120℃,再向其中加入活性白土,保温搅拌0.5~2h,然后离心分离得到精炼地沟油;
步骤二,将步骤二制得的精炼地沟和乙二胺在氮气气氛下搅拌加热至混合均匀,然后分批加入单质硫,继续升温至反应温度,反应结束后再低温氮气吹扫除去低沸点物质,冷却过滤得到硫化改性的地沟油;所述精炼地沟油、乙二胺和单质硫的质量比为100~200:0.1~0.5:1。
进一步的,所述金属减活剂为苯丙三氮唑衍生物和/或噻二唑衍生物。
进一步的,所述增粘剂为正丁烯类。
进一步的,所述抗氧剂为混合型液体屏蔽酚。
如上所述的含硫化改性地沟油的结晶器铜管拉拔油的制备方法,包括步骤:将所述基础油、金属减活剂及抗氧剂均匀混合后,再加入硫化改性地沟油使充分混合,再加入增粘剂搅拌至均匀。
与现有技术相比,本发明所取得技术效果为:本发明制得的硫化地沟油既可以起到极压抗磨剂的作用,又具有很好的润滑作用,在保证结晶器铜管拉拔油良好使用性能的前提下能够减少基础油用量,大幅度降低使用成本。本发明实现地沟油在拉拔油方面的应用,为地沟油处理提供较好的解决方法,缓解环境压力。
具体实施方式
本发明下面结合实施例作进一步详述:
实施例1:
一种含硫化改性地沟油的结晶器铜管拉拔油,包括如下重量组分:硫化改性地沟油30份、基础油40份、金属减活剂0.1份、抗氧剂0.5份、增粘剂1份;所述基础油为异构烷烃溶剂油和分子量为500~1000的聚异丁烯的均匀混合物且二者质量比为1:2。
硫化改性地沟油是由如下步骤制得:
步骤一,将从北京收集到的地沟油(酸值为2.99mg/gKOH,皂化值191.02mg/gKOH,过氧值29.3mmol/kg,碘值93gI/100g)经除水除杂后,于150~170℃下加热搅拌1h,然后降温至100℃,再向其中加入活性白土,保温搅拌0.5h,然后离心分离得到精炼地沟油;
步骤二,将步骤二制得的精炼地沟和乙二胺在氮气气氛下搅拌加热至混合均匀,然后分批加入单质硫,继续升温至反应温度95~100℃,反应结束后再氮气吹扫除去低沸点物质,冷却过滤得到硫化改性的地沟油;所述精炼地沟油、乙二胺和单质硫的质量比为100:0.1:1。
本实施例中金属减活剂为苯丙三氮唑衍生物,增粘剂为正丁烯类,抗氧剂为混合型液体屏蔽酚。
将上述的基础油、金属减活剂及抗氧剂均匀混合后,再加入硫化改性地沟油使充分混合,再加入增粘剂搅拌至均匀,即可制得含硫化改性地沟油的结晶器铜管拉拔油。
实施例2
一种含硫化改性地沟油的结晶器铜管拉拔油,包括如下重量组分:硫化改性地沟油60份、基础油25份、金属减活剂0.3份、抗氧剂0.3份、增粘剂5份;所述基础油为异构烷烃溶剂油。
硫化改性地沟油是由如下步骤制得:
步骤一,将从青岛收集到的地沟油(酸值为15.01mg/gKOH,皂化值188.33mg/gKOH,过氧值27.4mmol/kg,碘值98.67gI/100g)经除水除杂后,于170~200℃下加热搅拌1h,然后降温至100℃,再向其中加入活性白土,保温搅拌2h,然后离心分离得到精炼地沟油;
步骤二,将步骤二制得的精炼地沟和乙二胺在氮气气氛下搅拌加热至混合均匀,然后分批加入单质硫,继续升温至反应温度95~100℃,反应结束后再氮气吹扫除去低沸点物质,冷却过滤得到硫化改性的地沟油;所述精炼地沟油、乙二胺和单质硫的质量比为150:0.3:1。
本实施例中金属减活剂为苯丙三氮唑衍生物,增粘剂为正丁烯类,抗氧剂为混合型液体屏蔽酚。
将上述的基础油、金属减活剂及抗氧剂均匀混合后,再加入硫化改性地沟油使充分混合,再加入增粘剂搅拌至均匀,即可制得含硫化改性地沟油的结晶器铜管拉拔油。
实施例3
一种含硫化改性地沟油的结晶器铜管拉拔油,包括如下重量组分:硫化改性地沟油45份、基础油38份、金属减活剂0.3份、抗氧剂0.3份、增粘剂5份;所述基础油为异构烷烃溶剂油。
硫化改性地沟油是由如下步骤制得:
步骤一,将从内蒙收集到的地沟油(酸值为33.21mg/gKOH,皂化值188.96mg/gKOH,过氧值22.5mmol/kg,碘值77gI/100g)经除水除杂后,于170~200℃下加热搅拌1h,然后降温至100℃,再向其中加入活性白土,保温搅拌2h,然后离心分离得到精炼地沟油;
步骤二,将步骤二制得的精炼地沟和乙二胺在氮气气氛下搅拌加热至混合均匀,然后分批加入单质硫,继续升温至反应温度95~100℃,反应结束后再氮气吹扫除去低沸点物质,冷却过滤得到硫化改性的地沟油;所述精炼地沟油、乙二胺和单质硫的质量比为150:0.3:1。
本实施例中金属减活剂为苯丙三氮唑衍生物,增粘剂为正丁烯类,抗氧剂为混合型液体屏蔽酚。
将上述的基础油、金属减活剂及抗氧剂均匀混合后,再加入硫化改性地沟油使充分混合,再加入增粘剂搅拌至均匀,即可制得含硫化改性地沟油的结晶器铜管拉拔油。
对比实施例1:
拉拔油组分与实施例1不同的是,40份硫化改性地沟油替换为5份硫化猪油,基础油为65份,其余组分及拉拔油的制备方法与实施例1相同。
对比实施例2:
拉拔油组分与实施例1不同的是,40份硫化改性地沟油替换为10份硫化猪油,基础油为60份,其余组分及拉拔油的制备方法与实施例1相同。
将实施例1至3中制备的含硫化改性地沟油的结晶器铜管拉拔油与对比实施例1和对比实施例2制备的进行性能检测,具体见表1:
表1
Figure BDA0002588023820000051
表1中运动粘度测试参考GB/T 265,极压润滑性PD和PB值采用四球机实验方法(GB/T3142)测得,闪点测试参考GB/T 3536,倾点测试参考GB/T 3535,铜片腐蚀测试参考GB/T 5096。
从表1中可以看出,本发明提供的含硫化改性地沟油的结晶器铜管拉拔油润滑性能优于对比实施例1和对比实施例2制得的拉拔油性能,可较好满足结晶器铜管成型加工的高润滑需求。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。

Claims (5)

1.一种含硫化改性地沟油的结晶器铜管拉拔油,其特征在于:包括如下重量组分:硫化改性地沟油30~70份、基础油20~40份、金属减活剂0.1~0.5份、抗氧剂0.1~0.5份、增粘剂1~7份;所述基础油为异构烷烃溶剂油和/或分子量为500~1000的聚异丁烯;
所述硫化改性地沟油是由如下步骤制得:
步骤一,地沟油经除水除杂后,于150~200℃下加热搅拌0.5~1h,然后降温至100~120℃,再向其中加入活性白土,保温搅拌0.5~2h,然后离心分离得到精炼地沟油;
步骤二,将步骤二制得的精炼地沟和乙二胺在氮气气氛下搅拌加热至混合均匀,然后分批加入单质硫,继续升温至反应温度,反应结束后再低温氮气吹扫除去低沸点物质,冷却过滤得到硫化改性的地沟油;所述精炼地沟油、乙二胺和单质硫的质量比为100~200:0.1~0.5:1。
2.根据权利要求1所述的含硫化改性地沟油的结晶器铜管拉拔油,其特征在于:所述金属减活剂为苯丙三氮唑衍生物和/或噻二唑衍生物。
3.根据权利要求1所述的含硫化改性地沟油的结晶器铜管拉拔油,其特征在于:所述增粘剂为正丁烯类。
4.根据权利要求1所述的含硫化改性地沟油的结晶器铜管拉拔油,其特征在于:所述抗氧剂为混合型液体屏蔽酚。
5.如权利要求1至4中任一项所述的含硫化改性地沟油的结晶器铜管拉拔油的制备方法,其特征在于:包括步骤:将所述基础油、金属减活剂及抗氧剂均匀混合后,再加入硫化改性地沟油使充分混合,再加入增粘剂搅拌至均匀。
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