CN107653042A - 钢管扩径油组合物及其用途 - Google Patents

钢管扩径油组合物及其用途 Download PDF

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CN107653042A
CN107653042A CN201710911101.8A CN201710911101A CN107653042A CN 107653042 A CN107653042 A CN 107653042A CN 201710911101 A CN201710911101 A CN 201710911101A CN 107653042 A CN107653042 A CN 107653042A
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parts
fluid composition
oil
pipe expanding
expanding fluid
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李晓阳
王靖宇
张旭
杨兰
熊星
张斌
苏明兵
杨兵兵
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China Petroleum and Chemical Corp
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Abstract

本发明涉及一种钢管扩径油组合物及其用途，主要解决现有技术中扩径加工前，为了去除管件表面残留的固体颗粒，会对加工管件进行水冲洗，然后再进行扩径加工，工件表面残留的水分会极大降低扩径油润滑效果的问题。本发明通过采用以重量份数计，包括以下组份：a)5～10份极压抗磨剂；b)20～40份表面活性剂；c)5～10份防锈剂；d)5～10份增稠剂；e)0.05～0.1份消泡剂；f)30～65基础油的技术方案较好地解决了该问题，可用于钢管扩径油组合物的工业生产中。

Description

钢管扩径油组合物及其用途
技术领域
本发明涉及一种钢管扩径油组合物及其用途。
背景技术
钢管扩径油主要用于大直径钢管生产中扩径头工作部位的润滑，例如国家西气东输重点工程中干线专用的大口径直缝埋弧焊管，在其冷加工中的强力扩径、整形和消除内应力的工艺过程中，钢管扩径油作为这种特殊工艺的配套润滑材料可以使管壁和扩径头的滑动与导向摩擦副两个工作表面保持润滑，工艺要求钢管扩径油在使用中形成的油膜能使所有摩擦面在高压力作用下不受损伤，同时还要求钢管扩径油在使用后可以通过水喷淋的方式快速从钢管内壁脱离，乳化液废水可以通过化学沉降法处理。
因此钢管扩径油需要有以下几点特殊性能：较高的极压润滑性能；简捷的水清洗性能，可快速从钢管内壁水洗脱离，不影响下一工序；对使用后废水易处理工艺。
目前国内市场上使用的扩径油产品，例如专利CN102031186A、CN103710081A、CN103923725A中均涉及扩径油组合物，但均未采用本发明所列的极压抗磨剂和表面活性剂组合方式，也未提及关于本发明所要解决问题的产品性能。
发明内容
本发明所要解决的技术问题是现有技术中扩径加工前，为了去除管件表面残留的固体颗粒，会对加工管件进行水冲洗，然后再进行扩径加工，工件表面残留的水分会极大降低扩径油润滑效果的问题，提供一种新的钢管扩径油组合物。该组合物通过对极压抗磨剂和表面活性剂的优化组合，既能满足平时大直径钢管扩径工艺要求，保证工程安全，提高大直径钢管的质量，又对人体和环境无害，可生物降解，使用后清洗和废水处理简捷高效，即使加工工件表面残留少量水分，该组合物也能与少量水分形成稳定油膜起到良好的润滑保护效果。本发明所要解决的技术问题之二是提供一种与解决技术问题之一所对应的钢管扩径油组合物的用途。
为解决上述技术问题之一，本发明采取的技术方案如下：一种钢管扩径油组合物，以重量份数计，由以下组份组成：
a)5～10份极压抗磨剂；
b)20～40份表面活性剂；
c)5～10份防锈剂；
d)5～10份增稠剂；
e)0.05～0.1份消泡剂；
f)30～65份基础油；
所述极压抗磨剂选自含噻二唑衍生物、含氮硼酸酯、硫化脂肪酸酰胺、硫化猪油中的至少三种；
所述表面活性剂选自山梨醇单油酸脂、蓖麻油聚氧乙烯醚或聚异丁烯衍生物中的至少一种；
所述防锈剂选自十二烯基丁二酸三乙醇酰胺、石油磺酸钠中的至少一种；
所述增稠剂选高分子聚酯；
所述消泡剂选自硅氧烷基消泡剂；
所述基础油选自蓖麻油、氧化菜油或环氧大豆油中的至少一种。
上述技术方案中，优选地，极压抗磨剂选自噻二唑衍生物、硫化脂肪酸酰胺和硫化猪油的混合物。
上述技术方案中，优选地，表面活性剂选自山梨醇单油酸脂和蓖麻油聚氧乙烯醚的混合物。
上述技术方案中，优选地，防锈剂选自十二烯基丁二酸三乙醇酰胺和石油磺酸钠的混合物。
上述技术方案中，优选地，基础油选自蓖麻油、氧化菜油或环氧大豆油中的至少两种。
本发明组合物的制备方法如下：将基础油加入调和釜，加热至50-70℃，搅拌状态下先后加入增稠剂、极压抗磨剂、表面活性剂、防锈剂、消泡剂，搅拌并停止加热，逐步降温至室温，停止搅拌，即得所述组合物。
为解决上述技术问题之二，本发明采取的技术方案如下：所述钢管扩径油组合物用于大直径钢管生产中扩径头工作部位的润滑。
上述技术方案中，所述钢管扩径油组合物的组份、重量份数以及优选范围与解决技术问题之一所采取的技术方案相同。
本发明组合物中，极压抗磨剂选自含噻二唑衍生物、含氮硼酸酯、硫化脂肪酸酰胺、硫化猪油中的至少三种，表面活性剂选自山梨醇单油酸脂和蓖麻油聚氧乙烯醚的混合物。引入水溶性极压剂硫化脂肪酸酰胺，以降低少量水分对油品润滑性能的影响，同时采用HLB值很低的表面活性剂山梨醇单油酸脂，以便更容易形成油包水型稳定状态，此外采用含噻二唑衍生物作为极压剂，和其他组分起到很好的复配效果，即使油品混入少量水分，也不影响使用效果。
本发明组合物中，防锈剂选自十二烯基丁二酸三乙醇酰胺和石油磺酸钠中的至少一种。
本发明组合物中，增稠剂选自高分子聚酯。增稠剂能够改善油品的黏度，使环保型钢管扩径油组合物具有较高的黏附性能，提供连续的润滑膜，减少流失，同时还具有一定的润滑性能。
本发明组合物中，消泡剂选自硅氧烷基消泡剂。如果油品在使用过程中产生泡沫，就会破坏油膜强度和稳定性，影响润滑效果，造成摩擦副磨损，因此为防止环保型钢管扩径油组合物在使用过程中产生泡沫，需要加入消泡剂。
本发明组合物中，基础油选自蓖麻油、氧化菜油或环氧大豆油中的至少一种。
本发明环保型钢管扩径油组合物引入水溶性极压剂硫化脂肪酸酰胺，以降低水对油品润滑性能的影响，同时采用HLB值很低的表面活性剂山梨醇单油酸脂，以便更容易形成油包水型稳定状态，此外采用含噻二唑衍生物作为极压剂，和其他组分起到很好的复配效果，即使油品混入少量水分，也不影响使用效果。
下面结合实施例和对比例对本发明作进一步的阐述。
具体实施方式
【实施例1～3】
硫化脂肪酸酰胺的制备：将硫化脂肪酸加入调和釜，升温至110℃，搅拌状态下不断加入三乙醇胺，摩尔比为1:1，持续搅拌加热2小时。
将基础油投入调和釜，搅拌，升温至50℃并维持在这个温度；加入极压抗磨剂，搅拌均匀；再加入表面活性剂，搅拌均匀；最后加入防锈剂和增稠剂，搅拌并停止加热，逐步降温至室温，停止搅拌，即得所述组合物。组合物中各组份的种类及用量，具体见表1。
【比较例1】
按照文献CN102031186A【实施例1】制备组合物。其组成为：
氧化菜油35份；分子量为50000的聚醚3.9份；硫化猪油3.5份；氯化石蜡10份；三烷基磷酸酯5份；中分子合成磺酸钠4.5份；烷基酚聚氧乙烯醚2份；蓖麻油聚氧乙烯醚12份；十二烯基丁二酸酯10份；失水山梨糖油酸酯2份；分子量为20000的聚醚12份；甲基硅油0.1份。
【比较例2】
将【实施例1】中表面活性剂混合物中山梨醇单油酸脂组分去掉。
【比较例3】
将【实施例2】中挤压抗磨剂混合物中噻二唑衍生物和硫化脂肪酸酰胺更换为氯化石蜡。
【比较例4】
【比较例4】为某德国产品。
【比较例5】
【比较例5】为某国产扩径油。
分别对各实施例和比较例制备的钢管扩径油进行性能测试，测试方法为本领域工程技术人员所熟知的。试验结果见表2。
由表2可以看出，本发明钢管扩径油组合物与同类润滑油品相比，具有优异的润滑性能，良好的被清洗性能，和水处理效果。特别是混入5％的去离子水后，润滑性能下降不明显，优于同类油品。表1
表2

Claims (6)

1.一种钢管扩径油组合物，以重量份数计，由以下组份组成：
a)5～10份极压抗磨剂；
b)20～40份表面活性剂；
c)5～10份防锈剂；
d)5～10份增稠剂；
e)0.05～0.1份消泡剂；
f)30～65份基础油；
所述极压抗磨剂选自含噻二唑衍生物、含氮硼酸酯、硫化脂肪酸酰胺、硫化猪油中的至少三种；
所述表面活性剂选自山梨醇单油酸脂、蓖麻油聚氧乙烯醚或聚异丁烯衍生物中的至少一种；
所述防锈剂选自十二烯基丁二酸三乙醇酰胺、石油磺酸钠中的至少一种；
所述增稠剂选高分子聚酯；
所述消泡剂选自硅氧烷基消泡剂；
所述基础油选自蓖麻油、氧化菜油或环氧大豆油中的至少一种。
2.根据权利要求1所述钢管扩径油组合物，其特征在于，极压抗磨剂选自噻二唑衍生物、硫化脂肪酸酰胺和硫化猪油的混合物。
3.根据权利要求1所述钢管扩径油组合物，其特征在于，表面活性剂选自山梨醇单油酸脂和蓖麻油聚氧乙烯醚的混合物。
4.根据权利要求1所述钢管扩径油组合物，其特征在于，防锈剂选自十二烯基丁二酸三乙醇酰胺和石油磺酸钠的混合物。
5.根据权利要求1所述钢管扩径油组合物，其特征在于，基础油选自蓖麻油、氧化菜油或环氧大豆油中的至少两种。
6.权利要求1～5任一所述的钢管扩径油组合物用于大直径钢管生产中扩径头工作部位的润滑。
CN201710911101.8A 2017-09-29 2017-09-29 钢管扩径油组合物及其用途 Pending CN107653042A (zh)

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