CN106635348A - 一种船用螺旋桨润滑脂及其制备方法 - Google Patents

一种船用螺旋桨润滑脂及其制备方法 Download PDF

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CN106635348A
CN106635348A CN201611119459.9A CN201611119459A CN106635348A CN 106635348 A CN106635348 A CN 106635348A CN 201611119459 A CN201611119459 A CN 201611119459A CN 106635348 A CN106635348 A CN 106635348A
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周忠太
张守鹏
宋尚珍
张子英
姚芳园
时红敏
齐瑞琴
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Xinxiang Hengxing Technology Co Ltd
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Abstract

本发明公开了一种船用螺旋桨润滑脂及其制备方法，属于专用润滑脂技术领域。本发明的技术方案要点为：一种船用螺旋桨润滑脂，是由以下重量份的原料制备而成的：基础油55‑80份、稠化剂13‑38份、添加剂3‑5份和填料1‑2份。本发明还具体公开了该船用螺旋桨润滑脂的制备方法。本发明是利用优质的国标基础油和锂钙混合皂制作而成的润滑脂，国标基础油具有很好的抗腐蚀性能和抗极压性能即良好的抗乳化性能，进而保证润滑脂具有低温扭矩润滑性能和较长的使用寿命，混合皂可以保证润滑脂具有良好的憎水性能和较宽的温度使用范围，因此这种润滑脂特别适合水下螺旋桨使用。

Description

一种船用螺旋桨润滑脂及其制备方法
技术领域
本发明属于特种润滑脂技术领域，具体涉及一种船用螺旋桨润滑脂及其制备方法。
背景技术
船用润滑脂以通用锂基润滑脂居多，但是在特殊部位通用锂基润滑脂不能达到使用要求。螺旋桨就是比较特殊的部位，通常螺旋桨在水下几米到几十米深的地方工作，水压很高，淡水和海水对金属有很强的腐蚀性。润滑脂对轴承和螺旋桨的内腔要有很强的防腐性能，这样才能保证螺旋桨长期正常工作。船的活动范围很广泛，两级寒冷的地方也经常过往船只，所以螺旋桨润滑脂必须在-30℃仍然具有较好的润滑性能。要在以上特殊工况条件下起到对轴承长期有效的保护作用，一般的锂基润滑脂质量指标达不到要求。螺旋桨的内腔、轴承和螺纹很容易被水腐蚀，螺旋桨的维修周期比较长，为保证螺旋桨长期正常使用有必要设计一种专业的船用螺旋桨润滑脂。
发明内容
本发明解决的技术问题是提供了一种防腐能力强、抗乳化效果好且低温流动性好的船用螺旋桨润滑脂及其制备方法。
本发明为解决上述技术问题采用如下技术方案，一种船用螺旋桨润滑脂，其特征在于是由以下重量份的原料制备而成的：基础油55-80份、稠化剂13-38份、添加剂3-5份和填料1-2份，其中基础油为糠醛精制油、冷冻机油、150号国标机械油、500号SN、500号N或100号合成低温油的一种或多种，稠化剂为脂肪酸钙盐与脂肪酸锂皂的混合皂，添加剂为防腐剂、抗氧化剂或破乳化剂中的一种或多种，防腐剂为有机铵盐、磺酸盐或环烷酸盐，抗氧化剂为二硫代胺基盐、苯并三氮唑或二苯胺，破乳化剂为T1001或T1002，填料为酞青蓝颜料。
本发明所述的船用螺旋桨润滑脂的制备方法，其特征在于具体步骤为：
（1）将800重量份的150号国标机械油加入到皂化釜中，搅拌加热升温至80℃时加入250重量份的硬脂酸，在搅拌的条件下继续升温至90℃使硬脂酸融解，停止加热后于90℃将氢氧化锂水溶液加入到皂化釜内，该氢氧化锂溶液是将21重量份的氢氧化锂溶于60重量份的水中形成的；
（2）加完氢氧化锂溶液后温度回升至95℃，再加入氢氧化钙溶液，该氢氧化钙溶液是将12重量份的氢氧化钙溶于36重量份的水中形成的；
（3）继续升温脱水，当温度升至180℃时分批加入200重量份的150号国标机械油，温度升至210℃，再加入446重量份的150号国标机械油，然后循环降温，剪切，当温度降至100℃时加入40重量份的苯并三氮唑、40重量份的司本80、20重量份的T1001和20重量份的酞青蓝颜料，剪切脱气制得船用螺旋桨润滑脂。
本发明是利用优质的国标基础油和锂钙混合皂制作而成的润滑脂，国标基础油具有很好的抗腐蚀性能和抗极压性能即良好的抗乳化性能，进而保证润滑脂具有低温扭矩润滑性能和较长的使用寿命，混合皂可以保证润滑脂具有良好的憎水性能和较宽的温度使用范围，因此这种润滑脂特别适合水下螺旋桨使用。
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。
本发明的船用螺旋桨润滑脂是专门用于船上的螺旋桨水下工作部分，起到对螺旋桨保护和润滑的作用，现以2000公斤船用螺旋桨润滑脂为例具体说明如下：
1、将800公斤的150号国标机械油加入到皂化釜中，搅拌加热升温至80℃时加入250公斤的硬脂酸，在搅拌的条件下继续升温至90℃使硬脂酸溶解，停止加热后于90℃将氢氧化锂水溶液加入到皂化釜内，该氢氧化锂溶液是将21公斤的氢氧化锂溶于60公斤的水中形成的；
2、加完氢氧化锂溶液后温度回升至95℃，再加入氢氧化钙溶液，该氢氧化钙溶液是将12公斤的氢氧化钙溶于36公斤的水中形成的；
3、继续升温脱水，当温度升至180℃时分批加入200公斤的150号国标机械油，温度升至210℃，再加入446公斤的150号国标机械油，然后循环降温，剪切，当温度降至100℃时加入40公斤的苯并三氮唑、40公斤的司本80、20公斤的T1001和20公斤的酞青蓝颜料，剪切脱气制得船用螺旋桨润滑脂。
本发明利用一定的工艺先用脂肪酸和氢氧化锂反应生成锂皂，然后用脂肪酸和氢氧化钙反应生成钙皂，两种皂混合后稠化基础油，再加入添加剂和填料制作而成，其中钙皂具有很强的憎水性，但是温度范围较小，锂皂的综合性能较好，能够有效提高润滑脂的温度使用范围，使用糠醛精制油作为基础油可以提高润滑脂的抗腐蚀性能，冷冻机油可以保证润滑脂的低温扭矩性能，添加剂可以改善润滑脂的抗腐蚀性能和抗乳化性能，酞青兰作为颜料可以提高润滑脂的抗磨极压性能，颜色的对比有利于辨别润滑脂乳化和轴承被腐蚀的程度。
以上实施例描述了本发明的基本原理、主要特征及优点，本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明原理的范围下，本发明还会有各种变化和改进，这些变化和改进均落入本发明保护的范围内。

Claims (2)

1.一种船用螺旋桨润滑脂，其特征在于是由以下重量份的原料制备而成的：基础油55-80份、稠化剂13-38份、添加剂3-5份和填料1-2份，其中基础油为糠醛精制油、冷冻机油、150号国标机械油、500号SN、500号N或100号合成低温油的一种或多种，稠化剂为脂肪酸钙盐与脂肪酸锂皂的混合皂，添加剂为防腐剂、抗氧化剂或破乳化剂中的一种或多种，防腐剂为有机铵盐、磺酸盐或环烷酸盐，抗氧化剂为二硫代胺基盐、苯并三氮唑或二苯胺，破乳化剂为T1001或T1002，填料为酞青蓝颜料。
2.一种船用螺旋桨润滑脂的制备方法，其特征在于具体步骤为：
（1）将800重量份的150号国标机械油加入到皂化釜中，搅拌加热升温至80℃时加入250重量份的硬脂酸，在搅拌的条件下继续升温至90℃使硬脂酸融解，停止加热后于90℃将氢氧化锂水溶液加入到皂化釜内，该氢氧化锂溶液是将21重量份的氢氧化锂溶于60重量份的水中形成的；
（2）加完氢氧化锂溶液后温度回升至95℃，再加入氢氧化钙溶液，该氢氧化钙溶液是将12重量份的氢氧化钙溶于36重量份的水中形成的；
（3）继续升温脱水，当温度升至180℃时分批加入200重量份的150号国标机械油，温度升至210℃，再加入446重量份的150号国标机械油，然后循环降温，剪切，当温度降至100℃时加入40重量份的苯并三氮唑、40重量份的司本80、20重量份的T1001和20重量份的酞青蓝颜料，剪切脱气制得船用螺旋桨润滑脂。
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