CN114806684A - 一种涡轮机油组合物及其制备方法 - Google Patents
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- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
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Abstract
本发明公开了一种涡轮机油组合物及其制备方法，主要涉及润滑油脂技术领域。其原料按重量份数计包括：合成基础油90～99.5份，复合添加剂0.6～1.0份，胺类抗氧添加剂0.3～1.0份，极压添加剂0.01～0.1份，消泡剂0.001～0.005份，抗乳化剂0.001～0.005份；所述合成基础油按重量份数计包括：40～80份PAO6、5～40份PAO40、10～30份烷基萘AN5。本发明的有益效果在于：它具有极高的粘度指数和低挥发性，适宜于很宽的使用温度，并具有极长的使用寿命。
Description
技术领域
本发明涉及润滑油脂技术领领域，具体是一种涡轮机油组合物及其制备方法。
背景技术
涡轮机组的正常运转需要机油的配合。基于现在涡轮机组的工作参数不断提高，蒸汽轮机主蒸汽可达720℃,35Mpa,燃气轮机进口温度提高到1600℃，涡轮机轴承的工作温度随之升高。现有的机油产品在配合涡轮机组运行时，暴露出以下问题：
首先，暴露在高温下的涡轮机油受到氧化作用后，易生成漆膜沉积物，影响机组的正常运行。
再有，在高温情况下，设备轴瓦处的油膜变薄，磨损更加严重。以往的涡轮机油在现代涡轮机中使用寿命大为缩短，频繁换油造成大量经济损失及废油污染。
基于上述突出问题，对涡轮机组用机油的高温耐受能力，抗氧化能力，抗磨性能，抑制油泥漆膜生成等方面，提出了更高的要求。同时在满足上述要求的前提下，还不能够影响其工作环境的温度下限，因为涡轮机组的工作温度范围很宽，有可能在极寒环境下作业，这要求所用油品具有倾点低、黏度指数高的特点。
发明内容
本发明的目的在于提供一种涡轮机油组合物及其制备方法，它具有极高的粘度指数和低挥发性，适宜于很宽的使用温度，并具有极长的使用寿命。
本发明为实现上述目的，通过以下技术方案实现：
一种涡轮机油组合物，其原料按重量份数计包括：合成基础油90～99.5份，复合添加剂0.6～1.0份，胺类抗氧添加剂0.3～1.0份，极压添加剂0.01～0.1份，消泡剂0.001～0.005份，抗乳化剂0.001～0.005份；
所述合成基础油按重量份数计包括：40～80份PAO6、5～40份PAO40、10～30份烷基萘AN5。
所述复合添加剂包括RO94HA和/或Hitec 55600。
所述胺类抗氧剂为辛/丁基二苯胺。
所述极压添加剂为二硫代磷酸盐。
所述的消泡剂为非硅型复合消泡剂。
所述抗乳化剂剂为油溶性聚醚类高分子化合物。
上述涡轮机油组合物使用以下方法制得：将合成基础油加入反应釜，开启搅拌升温至40～50℃，将复合添加剂、胺类抗氧剂、极压剂依次加入反应釜，升温至50～60℃搅拌1～2小时，再加入消泡剂、抗乳化剂搅拌30分钟，过滤即得。
上述制备方法作为本发明的另一个方面。
对比现有技术，本发明的有益效果在于：
使用全合成基础油体系，由于不含蜡，极低温度下仍能保持良好流动。
烷基萘基础油与PAO基础油的配合，具有极高的粘度指数和低挥发性，适宜于很宽的使用温度。烷基萘基础油的极性分子可改善PAO对极性添加剂的溶解，提高基础油对添加剂的感受性，有效发挥添加剂抗氧、防锈、减磨的功效；同样由于烷基萘的极性，可以溶解高温氧化产物避免氧化物在轴承表面沉积，有效抑制漆膜产生，使油品具有极长的使用寿命。
附图说明
图1是本发明实施例1成焦板试验的检测结果。
图2是本发明实施例2成焦板试验的检测结果。
图3是本发明实施例3成焦板试验的检测结果。
图4是本发明对比例1成焦板试验的检测结果。
图5是本发明对比例2成焦板试验的检测结果。
附图中所示标号：
具体实施方式
下面结合具体实施例，进一步阐述本发明。应理解，这些实施例仅用于说明本发明而不用于限制本发明的范围。此外应理解，在阅读了本发明讲授的内容之后，本领域技术人员可以对本发明作各种改动或修改，这些等价形式同样落于本申请所限定的范围。
下述实施例中所涉及的仪器、试剂、材料等，若无特别说明，均为现有技术中已有的常规仪器、试剂、材料等，可通过正规商业途径获得。下述实施例中所涉及的实验方法，检测方法等，若无特别说明，均为现有技术中已有的常规实验方法，检测方法等。
实施例1：一种涡轮机油组合物
由以下组分组成：
PAO 6 76.45份、PAO 40 7份，烷基萘AN5 15份，复合添加剂1.0份，胺类抗氧添加剂辛/丁基二苯胺0.5份，极压剂二硫代磷酸盐0.05份，非硅型复合消泡剂0.005份，油溶性聚醚类高分子化合物抗乳化剂0.002份。
所述复合添加剂是：Hitec 55600
实施例2一种涡轮机油组合物
由以下组分组成：
PAO 6 53.4份、PAO 40 15份，烷基萘AN5 30份，复合添加剂1.0份，胺类抗氧添加剂辛/丁基二苯胺0.5份，极压剂二硫代磷酸盐0.1份，非硅型复合消泡剂0.005份，油溶性聚醚类高分子化合物抗乳化剂0.002份。
所述复合添加剂是：RO94HA
实施例3：一种涡轮机油组合物
由以下组分组成：
PAO 6 76.35份、PAO 40 7份，烷基萘AN5 15份，复合添加剂0.6份，胺类抗氧添加剂辛/丁基二苯胺1.0份，极压剂二硫代磷酸盐0.05份，非硅型复合消泡剂0.005份，油溶性聚醚类高分子化合物抗乳化剂0.002份。
所述复合添加剂是：Hitec 55600
实施例4：对照试验
设计两组涡轮机油对比例，其组分分别如下：
对比1：一种涡轮机油组合物
由以下组分组成：PAO 6 54.5份、III类基础油6CST 30份，合成酯基础油禾大397015份，复合添加剂0.5份，胺类抗氧添加剂0.2份，极压剂0.1份，消泡剂0.005份，抗乳化剂0.002份。
所述复合添加剂是：Hitec 55600
对比2：一种涡轮机油组合物
由以下组分组成：III类基础油6CST 87.2份，II类基础油双龙500N 10份，复合添加剂1.2份，胺类抗氧添加剂1.5份，极压剂0.1份，消泡剂0.005份，抗乳化剂0.002份。
所述复合添加剂是：Hitec 55600
将上述实施例1-3的涡轮机油组合物，以及对比例1及对比例2的涡轮机油组合物，分别按照以下的方法进行制备：
将基础油加入反应釜，开启搅拌升温至40-50℃，然后将复合添加剂、胺类抗氧剂，极压剂依次加入反应釜，升温至50-60℃继续搅拌1-2小时直至溶液澄清透明，再加入消泡剂、抗乳化剂搅拌30分钟，过滤灌装。
将PAO、烷基萘加入反应釜，开启搅拌升温至40-50℃，将复合添加剂、胺类抗氧剂、极压剂依次加入反应釜，升温至50-60℃搅拌1-2小时，再加入消泡剂、抗乳化剂搅拌30分钟，过滤后包装。
经过上述加工方法获得的各涡轮机油，分别进行性能试验，其中，运动粘度的试验方法为GB/T265，粘度指数的试验方法为GB/T1995，倾点的试验方法为GB/T3535，泡沫性试验的试验方法为GB/T12579，空气释放值试验的试验方法为SH/T 0308，抗乳化的试验方法为GB/T7305，铜片腐蚀试验的试验方法为GB/T5096，液相锈蚀试验的试验方法为GB/T11143，旋转氧弹的试验方法为SH/T 0193，磨斑直径的测定使用四球试验机，实验条件为转速1200rpm，油温90℃，试验时间1h，成焦板试验使用曲轴箱模拟试验仪，使用铝板，试验条件油温150℃，板温310℃，试验时间6h。
上述试验的结果见下表：
通过实施例对应的数据可以看出，实施例1-3的涡轮机油有极好的抗乳化、空气释放、抗泡、防腐防锈性能，能满足工业、发电、以及移动式涡轮机使用要求。极低倾点可以保证在极寒环境下使用，而对比例2在温度低于-21℃就会失去流动性。由成焦板试验结果来看，实施例试验结果为浅黄色漆膜，而对比例结果为深棕色或黑色，实施例有明显的漆膜抑制效果。同时可以看到对比例的旋转氧弹结果远差于实施例，四球磨斑直径也大于实施例，实施例具有更好的抗氧化和抗磨损能力，从而有更长的使用寿命。
Claims (8)
1.一种涡轮机油组合物，其特征在于，其原料按重量份数计包括：合成基础油90～99.5份，复合添加剂0.6～1.0份，胺类抗氧添加剂0.3～1.0份，极压添加剂0.01～0.1份，消泡剂0.001～0.005份，抗乳化剂0.001～0.005份；
所述合成基础油按重量份数计包括：40～80份PAO6、5～40份PAO40、10～30份烷基萘AN5。
2.根据权利要求1所述一种涡轮机油组合物，其特征在于，所述复合添加剂包括RO94HA和/或Hitec 55600。
3.根据权利要求1所述一种涡轮机油组合物，其特征在于，所述胺类抗氧剂为辛/丁基二苯胺。
4.根据权利要求1所述一种涡轮机油组合物，其特征在于，所述极压添加剂为二硫代磷酸盐。
5.根据权利要求1所述一种涡轮机油组合物，其特征在于，所述的消泡剂为非硅型复合消泡剂。
6.根据权利要求1所述一种涡轮机油组合物，其特征在于，所述抗乳化剂剂为油溶性聚醚类高分子化合物。
7.根据权利要求1所述一种涡轮机油组合物，其特征在于，使用以下方法制得：将合成基础油加入反应釜，开启搅拌升温至40～50℃，将复合添加剂、胺类抗氧剂、极压剂依次加入反应釜，升温至50～60℃搅拌1～2小时，再加入消泡剂、抗乳化剂搅拌30分钟，过滤即得。
8.如权利要求1所述一种涡轮机油组合物的制备方法，其特征在于，包括以下步骤：将合成基础油加入反应釜，开启搅拌升温至40～50℃，将复合添加剂、胺类抗氧剂、极压剂依次加入反应釜，升温至50～60℃搅拌1～2小时，再加入消泡剂、抗乳化剂搅拌30分钟，过滤即得。
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