CN114164031A - 一种长寿型合成空压机油及其制备方法 - Google Patents
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Abstract
本发明公开了一种长寿型合成空压机油及其制备方法,包括以下步骤:(1)将Ⅲ类+合成油、抗氧剂及防锈剂加入容器中,搅拌20~30min至油液均匀;(2)加热至50~60℃后将合成酯、油溶性聚醚、极压抗磨剂和金属缓蚀剂依次加入,搅拌20~30min后得到长寿型合成空压机油。本发明通过合理的配方设计,使用Ⅲ类+合成油、合成酯、油溶性聚醚等作为基础油,成本低,其积碳倾向性极小,采用合理的添加剂组合,使得油品具有优良的极压润滑抗磨性、氧化安定性、抗水解性和防腐防锈性能,有效降低部件之间的摩擦和磨损,并保护其不被锈蚀,使得产品适用于更高的温度和压力等苛刻工况,同时使用无灰配方,更加环保,使用寿命更长,具有广阔的应用前景。
Description
技术领域
本发明涉及润滑油技术领域,具体涉及一种长寿型合成空压机油及其制备方法。
背景技术
空气压缩机(简称空压机)是以空气为介质的气压发生装置,是工业现代化的基础产品,是气动系统的核心设备,是机电引气源装置中的主体,它是将原动的机械能转换成气体压力能的装置。空气压缩机油,主要用于压缩机内部摩擦部件,如气缸、活塞排气阀、轴承、十字头及滑板等的润滑,可有效减少部件之间的摩擦与磨损,起到润滑、冷却、防锈、密封等作用,维护空气压缩机的正常工作。
空压机油一般由基础油和空压机油专用添加剂所组成,基础油按来源与生产工艺分矿物油型和合成型。矿物油型空压机油,即使选用了经过深度精制的矿物油型基础油,仍会因为矿物油一些不安定易氧化组分,在高温高压及金属催化作用下,迅速被空气氧化,生成氧化聚合物,逐步反应形成积碳。积碳产生后,会阻碍空压机的排气及阀门的灵活稳定性,并影响散热效率,积蓄的热量在严重的情况下,可引发爆炸。以聚α-烯烃(PAO)为主的Ⅳ类基础油,具有很高的粘度指数及很好的低温流动性,高温抗氧化性强,但价格较高。Ⅴ类酯类基础油同样具备很高的粘度指数、低温流动性能、高温抗氧化性及润滑性,同时对添加剂的感受性也很好,但价格极其昂贵,同时抗水解性能较差,如果系统不慎混进水,容易出现水解而影响整体性能。
发明内容
针对上述不足,本发明目的在于,提供一种长寿型合成空压机油及其制备方法,通过合理的配方设计,使用Ⅲ类+合成油、合成酯、油溶性聚醚等作为基础油,成本低,通过合理组合,充分发挥其积碳倾向性极小,成本低廉,性能优越的长处。采用合理的添加剂组合,使得油品具有优良的极压润滑抗磨性、氧化安定性、抗水解性和防腐防锈性能,有效降低部件之间的摩擦和磨损,并保护其不被锈蚀,使得产品适用于更高的温度和压力等苛刻工况,同时使用无灰配方,更加环保,使用寿命更长,具有广阔的应用前景。
为实现上述目的,本发明所提供的技术方案是:
一种长寿型合成空压机油,按照重量份计算,包括以下组分:
Ⅲ类+合成油50.0~85.0份;
合成酯3.0~18.5份;
油溶性聚醚3.0~20.0份;
抗氧剂0.5~3.5份;
极压抗磨剂0.5~2.0份;
防锈剂0.1~0.5份;
金属缓蚀剂0.1~0.5份。
优选地,所述Ⅲ类+合成油为天然气制油或煤制油。
优选地,所述抗氧剂为芳胺类抗氧剂、屏蔽酚类抗氧剂、酚酯类抗氧剂中的一种或几种。
优选地,所述极压抗磨剂为硫化烯烃、硫代磷酸酯、硫代磷酸酯胺盐中的一种或几种。
优选地,所述防锈剂为长链羧酸、烯基丁二酸、山梨糖醇单油酸酯中的一种或几种。
优选地,所述金属缓蚀剂为苯三唑类衍生物、噻二唑类衍生物中的一种或两种。
上述长寿型合成空压机油的制备方法,包括以下步骤:1)将Ⅲ类+合成油、抗氧剂和防锈剂加入容器中,搅拌20~30min至油液均匀;(2)加热至50~60℃后将合成酯、油溶性聚醚、极压抗磨剂和金属缓蚀剂依次加入,搅拌20~30min后得到长寿型合成空压机油。
本发明的有益效果为:
1、天然气制油(GTL)作为Ⅲ类+合成油,具有很高的粘度指数和很低的倾点,基本不含硫和芳烃等杂质,清洁度大幅度提高,具备更好的生物降解性且无毒性。同时,该油品具备极强的抗乳化性能,在体系不添加抗乳化剂的时候仍能保持其出色的抗乳化能力。GTL也具有优良的高温抗氧性能,在高温工况下不容易氧化生成积碳。与合成烃(PAO)相比,性能非常接近,但价格具有明显优势,具有更好的经济效益。
2、煤制油(CTL)也是Ⅲ类+合成油的代表,同样具备优良的粘温性能和高低温性能、很高的清洁度、良好的生物降解性且无毒性。该油品具备极强的抗乳化性能,在体系不添加抗乳化剂的时候仍能保持其出色的抗乳化能力。同时高温抗氧性能强,在高温工况下不容易氧化生成积碳。相比PAO,成本优势明显。同时,我国是产煤大国,煤制油技术成熟,来源易得。
3、合成空压机油选用氧化安定性好的Ⅲ类+合成油、合成酯、油溶性聚醚等作为基础油,其积碳倾向性极小,可用于远超矿物油型空压机油使用温度和压力的严苛工况,有效延长了换油周期,提高了设备利用率,节约了企业综合成本。
4、本发明通过合理的配方设计,使用Ⅲ类+合成油、合成酯、油溶性聚醚等作为基础油,采用合理的添加剂组合,使得油品具有优良的极压润滑抗磨性、氧化安定性、抗水解性和防腐防锈性能,有效降低部件之间的摩擦和磨损,并保护其不被锈蚀,使得产品适用于更高的温度和压力等苛刻工况。同时使用无灰配方,更加环保,使用寿命更长,具有广阔的应用前景。
具体实施方式
为了进一步理解本发明,下面结合实施例对本发明优选实施方案进行描述,但是应当理解,这些描述只是为进一步说明本发明的特征和优点,而不是对本发明权利要求的限制。
本发明所用试剂或仪器未注明生产厂商者,均为可以通过市售购买获得的常规产品。
实施例1
一种长寿型合成空压机油的制备方法,包括以下步骤:(1)将GTL合成油79重量份、芳胺类抗氧剂0.8重量份、屏蔽酚类抗氧剂0.4重量份、酚酯类抗氧剂0.8重量份、烯基丁二酸0.2重量份和山梨糖醇单油酸酯0.2重量份加入容器中,搅拌30min至油液均匀;(2)加热至50℃后将合成酯9重量份、油溶性聚醚8重量份、硫化烯烃0.5重量份、硫代磷酸酯0.5重量份、硫代磷酸酯胺盐0.3重量份、苯三唑类衍生物0.2重量份、噻二唑类衍生物0.1重量份依次加入,搅拌30min后得到长寿型合成空压机油。
实施例2
一种长寿型合成空压机油的制备方法,包括以下步骤:(1)将CTL合成油73.9重量份、芳胺类抗氧剂1.2重量份、屏蔽酚类抗氧剂0.4重量份、酚酯类抗氧剂0.4重量份、长链羧酸0.2重量份和烯基丁二酸0.1重量份加入容器中,搅拌30min至油液均匀;(2)加热至60℃后将合成酯10重量份、油溶性聚醚12重量份、硫化烯烃0.5重量份、硫代磷酸酯0.8重量份、硫代磷酸酯胺盐0.3重量份、苯三唑类衍生物0.1重量份、噻二唑类衍生物0.1重量份依次加入,搅拌20min后得到长寿型合成空压机油。
实施例3
一种长寿型合成空压机油的制备方法,包括以下步骤:(1)将GTL合成油75.7重量份、芳胺类抗氧剂1.0重量份、屏蔽酚类抗氧剂0.4重量份、酚酯类抗氧剂0.6重量份、烯基丁二酸0.2重量份和山梨糖醇单油酸酯0.1重量份加入容器中,搅拌30min至油液均匀;(2)加热至55℃后将合成酯12重量份、油溶性聚醚8重量份、硫化烯烃0.5重量份、硫代磷酸酯0.3重量份、硫代磷酸酯胺盐0.8重量份、苯三唑类衍生物0.2重量份、噻二唑类衍生物0.2重量份依次加入,搅拌30min后得到长寿型合成空压机油。
实施例4
一种长寿型合成空压机油的制备方法,包括以下步骤:(1)将GTL合成油50重量份、芳胺类抗氧剂0.3重量份、屏蔽酚类抗氧剂0.2重量份和烯基丁二酸0.1重量份加入容器中,搅拌20min至油液均匀;(2)加热至50℃后将合成酯3重量份、油溶性聚醚20重量份、硫化烯烃0.1重量份、硫代磷酸酯0.2重量份、硫代磷酸酯胺盐0.2重量份、苯三唑类衍生物0.1重量份依次加入,搅拌30min后得到长寿型合成空压机油。
实施例5
一种长寿型合成空压机油的制备方法,包括以下步骤:(1)将CTL合成油85重量份、芳胺类抗氧剂1.5重量份、屏蔽酚类抗氧剂1重量份、酚酯类抗氧剂1重量份、长链羧酸0.1重量份、烯基丁二酸0.2重量份和山梨糖醇单油酸酯0.2重量份加入容器中,搅拌30min至油液均匀;(2)加热至60℃后将合成酯18.5重量份、油溶性聚醚3重量份、硫化烯烃0.7重量份、硫代磷酸酯0.8重量份、硫代磷酸酯胺盐0.5重量份、苯三唑类衍生物0.3重量份、噻二唑类衍生物0.2重量份依次加入,搅拌30min后得到长寿型合成空压机油。
对比例1
一种长寿型合成空压机油的制备方法,包括以下步骤:(1)将3-250N 73.9重量份、芳胺类抗氧剂1.2重量份、屏蔽酚类抗氧剂0.4重量份、酚酯类抗氧剂0.4重量份、长链羧酸0.2重量份和烯基丁二酸0.1重量份加入容器中,搅拌30min至油液均匀;(2)加热至60℃后将合成酯10重量份、油溶性聚醚12重量份、硫化烯烃0.5重量份、硫代磷酸酯0.8重量份、硫代磷酸酯胺盐0.3重量份、苯三唑类衍生物0.1重量份、噻二唑类衍生物0.1重量份依次加入,搅拌20min后得到合成空压机油。
对比例2
一种长寿型合成空压机油的制备方法,包括以下步骤:(1)将43.9重量份PAO8、30重量份AN-5、芳胺类抗氧剂1.2重量份、屏蔽酚类抗氧剂0.4重量份、酚酯类抗氧剂0.4重量份、长链羧酸0.2重量份和烯基丁二酸0.1重量份加入容器中,搅拌30min至油液均匀;(2)加热至60℃后将合成酯10重量份、油溶性聚醚12重量份、硫化烯烃0.5重量份、硫代磷酸酯0.8重量份、硫代磷酸酯胺盐0.3重量份、苯三唑类衍生物0.1重量份、噻二唑类衍生物0.1重量份依次加入,搅拌20min后得到合成空压机油。
实施例1-5及对比例1-2的制备方法中各组分(重量份)如表1所示:
表1
对实施例1-5及对比例1-2所制得的合成空压机油进行以下测试分析,测试分析结果如表2所示:
表2
对实施例1-5及对比例1-2所制得的合成空压机油进行成本核算:
1.基础油成本对比:
基础油种类 | Ⅲ类+ | Ⅲ类+ | Ⅲ类 | Ⅳ类 | Ⅴ类 |
基础油 | GTL合成油 | CTL合成油 | 3-250N | PAO-8 | 烷基萘AN-5 |
单价(元/kg) | 13.5 | 10.0 | 11.0 | 31.5 | 30.0 |
2.成品油成本对比:
方案 | 实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 | 对比例1 | 对比例2 |
单价(元/kg) | 22.16 | 19.46 | 22.75 | 22.41 | 20.14 | 20.24 | 35.67 |
综合对比上述实施例和对比例,与Ⅲ类油比,GTL或CTL的Ⅲ类+合成油生产的空压机油成本接近,但性能尤其是粘温性能和低温性能更优异,适用范围更广,特别适用于严寒地区使用;与Ⅳ类及Ⅴ类合成油比,Ⅲ类+合成油生产的空压机油性能非常接近,但成本优势明显。
根据上述说明书的揭示,本发明所属领域的技术人员还可以对上述实施方式进行适当的变更和修改。因此,本发明并不局限于上面揭示和描述的具体实施方式,对本发明的一些修改和变更也应当落入本发明的权利要求的保护范围内。此外,尽管本说明书中使用了一些特定的术语,但这些术语只是为了方便说明,并不对本发明构成任何限制。
Claims (7)
1.一种长寿型合成空压机油,其特征在于:按照重量份计算,包括以下组分:
Ⅲ类+合成油50.0~85.0份;
合成酯3.0~18.5份;
油溶性聚醚3.0~20.0份;
抗氧剂0.5~3.5份;
极压抗磨剂0.5~2.0份;
防锈剂0.1~0.5份;
金属缓蚀剂0.1~0.5份。
2.根据权利要求1所述的长寿型合成空压机油,其特征在于:所述Ⅲ类+合成油为天然气制油或煤制油。
3.根据权利要求1所述的长寿型合成空压机油,其特征在于:所述抗氧剂为芳胺类抗氧剂、屏蔽酚类抗氧剂、酚酯类抗氧剂中的一种或几种。
4.根据权利要求1所述的长寿型合成空压机油,其特征在于:所述极压抗磨剂为硫化烯烃、硫代磷酸酯、硫代磷酸酯胺盐中的一种或几种。
5.根据权利要求1所述的长寿型合成空压机油,其特征在于:所述防锈剂为长链羧酸、烯基丁二酸、山梨糖醇单油酸酯中的一种或几种。
6.根据权利要求1所述的长寿型合成空压机油,其特征在于:所述金属缓蚀剂为苯三唑类衍生物、噻二唑类衍生物中的一种或两种。
7.一种根据权利要求1-6任意一项所述的长寿型合成空压机油的制备方法,其特征在于:包括以下步骤:1)将Ⅲ类+合成油、抗氧剂及防锈剂加入容器中,搅拌20~30min至油液均匀;(2)加热至50~60℃后将合成酯、油溶性聚醚、极压抗磨剂和金属缓蚀剂依次加入,搅拌20~30min后得到长寿型合成空压机油。
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