CN110358610A - 一种低速高负荷高温润滑脂的制备方法及其应用 - Google Patents
一种低速高负荷高温润滑脂的制备方法及其应用 Download PDFInfo
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Abstract
本发明公开了一种低速高负荷高温润滑脂的制备方法及其应用,该低速高负荷高温润滑脂由以下重量份的原料制备而成:基础油65‑80份、稠化剂8‑11份、石墨4‑7份、轻质碳酸钙4‑6份、聚异丁烯5‑8份、抗氧剂3‑5份和甘油1‑3份,制得的低速高负荷高温润滑脂应用于水泥行业中烧成和生料、熟料、煤的破碎工艺设备中的润滑部位。本发明制得的低速高负荷高温润滑脂具有优良的热导电性、抗腐蚀性、极压抗磨性和耐高温性能,特别适合恶劣环境条件下工作的传动齿轮的润滑工作,此润滑脂在各方面性能有很大的提高,使传动齿轮在运行过程中不容易损坏,降低了运行成本。
Description
技术领域
本发明属于高温润滑脂技术领域,具体涉及一种低速高负荷高温润滑脂的制备方法及其应用。
背景技术
在水泥行业中的烧成和生料、熟料、煤的破碎等工艺设备中,大型开式齿轮常被选作设备的主要驱动单元,其传动齿轮副长期处于低速、重载、大冲击力的工况中,齿轮表面往往会出现不同形式的损伤,如过度磨损、擦伤、胶合、点蚀、塑性变形等,继而导致齿面金属材料的遗失,改变齿轮的几何尺寸,严重影响齿轮副的使用寿命,降低生产的连续性。根据设备的运行条件和损伤产生的机理,低速高负荷高温润滑脂能使其能够降低齿轮磨损、减少损伤的出现,并抑制既有损伤的扩展。
发明内容
本发明解决的技术问题是提供了一种原料配比合理、生产工艺先进且成本低廉的低速高负荷高温润滑脂的制备方法,该方法制得的低速高负荷高温润滑脂可以有效解决苛刻环境下的设备润滑问题,特别适用于轴承、齿轮的长寿命润滑,延长使用寿命,提高润滑效果,而且减少环境污染,使用此润滑脂更换次数少,使用时间长,大大减少了运行成本。
本发明为解决上述技术问题采用如下技术方案,一种低速高负荷高温润滑脂的制备方法,其特征在于具体步骤为:
步骤S1:将8-11重量份的稠化剂和25-35重量份的基础油加入到皂化釜中,逐渐升温至稠化剂溶化后启动搅拌,其中稠化剂为十二羟基脂肪酸、硬脂酸或癸二酸,基础油为高粘性矿物油、PAO合成油、低温油、烯烃矿物油或硅油中的一种或多种;
步骤S2:将4-6重量份的轻质碳酸钙加入到皂化釜中,继续升温皂化,控制在65-70℃温度下皂化2h,并搅拌混合均匀;
步骤S3:待皂化反应完成后继续搅拌升温脱水,温度达到100-110℃时取样测皂基值,合格后将物料继续升温至120-130℃加入30-45重量份的步骤S1所述基础油进行稠化,同时加入5-8重量份的聚异丁烯进行搅拌并恒温30min,再加入3-5重量份的抗氧剂使皂化釜内混合物呈真容液状态并将润滑脂通过过滤器打入到调和釜内回流冷却,其中聚异丁烯的平均相对分子质量为950-3000,抗氧剂为具有特定熔点和熔程的硫代双酚型抗氧剂4,4’-硫代双(5-甲基-2-叔丁基苯酚)的聚合物,其聚合度为3-8;
步骤S4:将润滑脂在调和釜内搅拌回流冷却2-4h,待搅拌降温至125℃时加入4-7重量份的石墨和1-3重量份的甘油,搅拌混合均匀后冷却并通过研磨机研磨、过滤、炼制成低速高负荷高温润滑脂。
本发明所述的低速高负荷高温润滑脂的制备方法,其特征在于具体步骤为:
步骤S1:将8重量份的稠化剂和30重量份的基础油加入到皂化釜中,逐渐升温至稠化剂溶化后启动搅拌,其中稠化剂为十二羟基脂肪酸、硬脂酸或癸二酸,基础油为高粘性矿物油、PAO合成油、低温油、烯烃矿物油或硅油中的一种或多种;
步骤S2:将5重量份的轻质碳酸钙加入到皂化釜中,继续升温皂化,控制在65-70℃温度下皂化2h,并搅拌混合均匀;
步骤S3:待皂化反应完成后继续搅拌升温脱水,温度达到100-110℃时取样测皂基值,合格后将物料继续升温至120-130℃加入40重量份的步骤S1所述基础油进行稠化,同时加入6重量份的聚异丁烯进行搅拌并恒温30min,再加入4重量份的抗氧剂使皂化釜内混合物呈真容液状态并将润滑脂通过过滤器打入到调和釜内回流冷却,其中聚异丁烯的平均相对分子质量为950-3000,抗氧剂为具有特定熔点和熔程的硫代双酚型抗氧剂4,4’-硫代双(5-甲基-2-叔丁基苯酚)的聚合物,其聚合度为3-8;
步骤S4:将润滑脂在调和釜内搅拌回流冷却3h,待搅拌降温至125℃时加入5重量份的石墨和2重量份的甘油,搅拌混合均匀后冷却并通过研磨机研磨、过滤、炼制成低速高负荷高温润滑脂。
本发明所述的低速高负荷高温润滑脂应用于水泥行业中烧成和生料、熟料、煤的破碎工艺设备中的润滑部位。
本发明制得的低速高负荷高温润滑脂配方合理且工作效率较高,制得的低速高负荷高温润滑脂具有优良的热导电性、抗腐蚀性、极压抗磨性和耐高温性能,特别适合恶劣环境条件下工作的传动齿轮的润滑工作,此润滑脂在各方面性能有很大的提高,使传动齿轮在运行过程中不容易损坏,降低了运行成本。
具体实施方式
以下通过实施例对本发明的上述内容做进一步详细说明,但不应该将此理解为本发明上述主题的范围仅限于以下的实施例,凡基于本发明上述内容实现的技术均属于本发明的范围。
实施例1
步骤S1:将8重量份的稠化剂和30重量份的基础油加入到皂化釜中,逐渐升温至稠化剂溶化后启动搅拌,其中稠化剂为十二羟基脂肪酸、硬脂酸或癸二酸,基础油为高粘性矿物油、PAO合成油、低温油、烯烃矿物油或硅油中的一种或多种;
步骤S2:将5重量份的轻质碳酸钙加入到皂化釜中,继续升温皂化,控制在65-70℃温度下皂化2h,并搅拌混合均匀;
步骤S3:待皂化反应完成后继续搅拌升温脱水,温度达到100-110℃时取样测皂基值,合格后将物料继续升温至120-130℃加入40重量份的步骤S1所述基础油进行稠化,同时加入6重量份的聚异丁烯进行搅拌并恒温30min,再加入4重量份的抗氧剂使皂化釜内混合物呈真容液状态并将润滑脂通过过滤器打入到调和釜内回流冷却,其中聚异丁烯的平均相对分子质量为950-3000,抗氧剂为具有特定熔点和熔程的硫代双酚型抗氧剂4,4’-硫代双(5-甲基-2-叔丁基苯酚)的聚合物,其聚合度为3-8;
步骤S4:将润滑脂在调和釜内搅拌回流冷却3h,待搅拌降温至125℃时加入5重量份的石墨和2重量份的甘油,搅拌混合均匀后冷却并通过研磨机研磨、过滤、炼制成低速高负荷高温润滑脂。
本实施例制得的低速高负荷高温润滑脂的性能参数如下:
实施例2
步骤S1:将8重量份的稠化剂和25重量份的基础油加入到皂化釜中,逐渐升温至稠化剂溶化后启动搅拌,其中稠化剂为十二羟基脂肪酸、硬脂酸或癸二酸,基础油为高粘性矿物油、PAO合成油、低温油、烯烃矿物油或硅油中的一种或多种;
步骤S2:将4重量份的轻质碳酸钙加入到皂化釜中,继续升温皂化,控制在65-70℃温度下皂化2h,并搅拌混合均匀;
步骤S3:待皂化反应完成后继续搅拌升温脱水,温度达到100-110℃时取样测皂基值,合格后将物料继续升温至120-130℃加入30重量份的步骤S1所述基础油进行稠化,同时加入5重量份的聚异丁烯进行搅拌并恒温30min,再加入3重量份的抗氧剂使皂化釜内混合物呈真容液状态并将润滑脂通过过滤器打入到调和釜内回流冷却,其中聚异丁烯的平均相对分子质量为950-3000,抗氧剂为具有特定熔点和熔程的硫代双酚型抗氧剂4,4’-硫代双(5-甲基-2-叔丁基苯酚)的聚合物,其聚合度为3-8;
步骤S4:将润滑脂在调和釜内搅拌回流冷却2h,待搅拌降温至125℃时加入4重量份的石墨和1重量份的甘油,搅拌混合均匀后冷却并通过研磨机研磨、过滤、炼制成低速高负荷高温润滑脂。
实施例3
步骤S1:将11重量份的稠化剂和35重量份的基础油加入到皂化釜中,逐渐升温至稠化剂溶化后启动搅拌,其中稠化剂为十二羟基脂肪酸、硬脂酸或癸二酸,基础油为高粘性矿物油、PAO合成油、低温油、烯烃矿物油或硅油中的一种或多种;
步骤S2:将6重量份的轻质碳酸钙加入到皂化釜中,继续升温皂化,控制在65-70℃温度下皂化2h,并搅拌混合均匀;
步骤S3:待皂化反应完成后继续搅拌升温脱水,温度达到100-110℃时取样测皂基值,合格后将物料继续升温至120-130℃加入45重量份的步骤S1所述基础油进行稠化,同时加入8重量份的聚异丁烯进行搅拌并恒温30min,再加入5重量份的抗氧剂使皂化釜内混合物呈真容液状态并将润滑脂通过过滤器打入到调和釜内回流冷却,其中聚异丁烯的平均相对分子质量为950-3000,抗氧剂为具有特定熔点和熔程的硫代双酚型抗氧剂4,4’-硫代双(5-甲基-2-叔丁基苯酚)的聚合物,其聚合度优选为3-8;
步骤S4:将润滑脂在调和釜内搅拌回流冷却4h,待搅拌降温至125℃时加入7重量份的石墨和3重量份的甘油,搅拌混合均匀后冷却并通过研磨机研磨、过滤、炼制成低速高负荷高温润润滑脂。
以上显示和描述了本发明的基本原理,主要特征和优点,在不脱离本发明精神和范围的前提下,本发明还有各种变化和改进,这些变化和改进都落入要求保护的本发明的范围。
Claims (3)
1.一种低速高负荷高温润滑脂的制备方法,其特征在于具体步骤为:
步骤S1:将8-11重量份的稠化剂和25-35重量份的基础油加入到皂化釜中,逐渐升温至稠化剂溶化后启动搅拌,其中稠化剂为十二羟基脂肪酸、硬脂酸或癸二酸,基础油为高粘性矿物油、PAO合成油、低温油、烯烃矿物油或硅油中的一种或多种;
步骤S2:将4-6重量份的轻质碳酸钙加入到皂化釜中,继续升温皂化,控制在65-70℃温度下皂化2h,并搅拌混合均匀;
步骤S3:待皂化反应完成后继续搅拌升温脱水,温度达到100-110℃时取样测皂基值,合格后将物料继续升温至120-130℃加入30-45重量份的步骤S1所述基础油进行稠化,同时加入5-8重量份的聚异丁烯进行搅拌并恒温30min,再加入3-5重量份的抗氧剂使皂化釜内混合物呈真容液状态并将润滑脂通过过滤器打入到调和釜内回流冷却,其中聚异丁烯的平均相对分子质量为950-3000,抗氧剂为具有特定熔点和熔程的硫代双酚型抗氧剂4,4’-硫代双(5-甲基-2-叔丁基苯酚)的聚合物,其聚合度为3-8;
步骤S4:将润滑脂在调和釜内搅拌回流冷却2-4h,待搅拌降温至125℃时加入4-7重量份的石墨和1-3重量份的甘油,搅拌混合均匀后冷却并通过研磨机研磨、过滤、炼制成低速高负荷高温润滑脂。
2.根据权利要求1所述的低速高负荷高温润滑脂的制备方法,其特征在于具体步骤为:
步骤S1:将8重量份的稠化剂和30重量份的基础油加入到皂化釜中,逐渐升温至稠化剂溶化后启动搅拌,其中稠化剂为十二羟基脂肪酸、硬脂酸或癸二酸,基础油为高粘性矿物油、PAO合成油、低温油、烯烃矿物油或硅油中的一种或多种;
步骤S2:将5重量份的轻质碳酸钙加入到皂化釜中,继续升温皂化,控制在65-70℃温度下皂化2h,并搅拌混合均匀;
步骤S3:待皂化反应完成后继续搅拌升温脱水,温度达到100-110℃时取样测皂基值,合格后将物料继续升温至120-130℃加入40重量份的步骤S1所述基础油进行稠化,同时加入6重量份的聚异丁烯进行搅拌并恒温30min,再加入4重量份的抗氧剂使皂化釜内混合物呈真容液状态并将润滑脂通过过滤器打入到调和釜内回流冷却,其中聚异丁烯的平均相对分子质量为950-3000,抗氧剂为具有特定熔点和熔程的硫代双酚型抗氧剂4,4’-硫代双(5-甲基-2-叔丁基苯酚)的聚合物,其聚合度为3-8;
步骤S4:将润滑脂在调和釜内搅拌回流冷却3h,待搅拌降温至125℃时加入5重量份的石墨和2重量份的甘油,搅拌混合均匀后冷却并通过研磨机研磨、过滤、炼制成低速高负荷高温润滑脂。
3.根据权利要求1或2所述的方法制得的低速高负荷高温润滑脂应用于水泥行业中烧成和生料、熟料、煤的破碎工艺设备中的润滑部位。
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