CN108485788A - 一种长寿命型水-乙二醇难燃液压液 - Google Patents
一种长寿命型水-乙二醇难燃液压液 Download PDFInfo
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- 239000012530 fluid Substances 0.000 title claims abstract description 64
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 239000002131 composite material Substances 0.000 claims abstract description 23
- 239000003063 flame retardant Substances 0.000 claims abstract description 22
- 239000000314 lubricant Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 13
- -1 amine salt Chemical class 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000003086 colorant Substances 0.000 claims abstract description 10
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 10
- 235000015393 sodium molybdate Nutrition 0.000 claims abstract description 10
- 239000002253 acid Substances 0.000 claims abstract description 7
- 239000002738 chelating agent Substances 0.000 claims abstract description 5
- 239000011684 sodium molybdate Substances 0.000 claims abstract description 5
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims abstract description 5
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 claims description 18
- AEDZKIACDBYJLQ-UHFFFAOYSA-N ethane-1,2-diol;hydrate Chemical compound O.OCCO AEDZKIACDBYJLQ-UHFFFAOYSA-N 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 239000003643 water by type Substances 0.000 claims description 10
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 claims description 9
- 230000003628 erosive effect Effects 0.000 claims description 9
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- 239000007788 liquid Substances 0.000 claims description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
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- 239000000194 fatty acid Substances 0.000 claims description 3
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- JUQPZRLQQYSMEQ-UHFFFAOYSA-N CI Basic red 9 Chemical group [Cl-].C1=CC(N)=CC=C1C(C=1C=CC(N)=CC=1)=C1C=CC(=[NH2+])C=C1 JUQPZRLQQYSMEQ-UHFFFAOYSA-N 0.000 claims description 2
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- 239000001509 sodium citrate Substances 0.000 claims description 2
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- PCHPORCSPXIHLZ-UHFFFAOYSA-N diphenhydramine hydrochloride Chemical compound [Cl-].C=1C=CC=CC=1C(OCC[NH+](C)C)C1=CC=CC=C1 PCHPORCSPXIHLZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 206010000369 Accident Diseases 0.000 description 1
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- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 229920002166 Pluracol® V 10 Polymers 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
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- 239000008367 deionised water Substances 0.000 description 1
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- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000013538 functional additive Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
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- 238000005272 metallurgy Methods 0.000 description 1
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- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- C10M173/00—Lubricating compositions containing more than 10% water
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/08—Inorganic acids or salts thereof
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- C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
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Abstract
本发明公开了一种长寿命型水‑乙二醇难燃液压液，其特征在于它的主要组成按质量份数计为：水30～40份，乙二醇35～45份，增粘剂10～20份，润滑剂3～10份，复合抗腐蚀剂0.6～1.8份，螯合剂0.05～0.2份，抗泡剂0.002～0.005份，染色剂0.001～0.002份；所述的润滑剂为脂肪酸胺盐，所述的复合抗腐蚀剂为巯基苯并噻唑、钼酸钠、甲基苯并三氮唑的混合物。该水‑乙二醇难燃液压液具有优异的稳定性，润滑性能好，使用寿命长，且综合平衡了难燃液压液的各项性能，能满足液压设备的实际使用需要，特别适合于易接触高温和明火的工作环境下液压设备的使用需求。
Description
技术领域
本发明涉及长寿命型水-乙二醇难燃液压液，主要应用于冶金、采矿、电厂、机械加工等行业易接近高温明火的液压系统中压力的传递。
背景技术
液压油是液压系统传递动力的介质，同时又具有润滑、冷却等作用，随着现代液压设备向高速、高温和大容量方向发展，液压介质在使用中，从管线、泵和阀门泄露的可能性也增大。因此，在接近高温和明火的液压设备中使用的液压油应具有难燃性，以免发生火灾事故，造成人身伤亡及财产损失。水-乙二醇抗燃液压液(HFC)比磷酸酯无水合成液的价格便宜，容易与非金属材料配套使用，润滑性能优于高水基液体，稳定性优于乳化液，又具有比矿物油型液压液好的抗燃性。由于具有上述特点，HFC是抗燃油液中发展最快，用量最大的产品，尤其是在钢铁企业和机器制造行业，有效的减少了火灾事故的发生，具有明显的经济和社会效益。
专利CN103013635A、CN105001946A、CN102417850A分别基于脂肪酸酯为主要成分的难燃液压油，此类难燃液压油稳定性好、抗磨性能优异，不过脂肪酸酯的价格相对较高导致此类难燃液压油市场占有率较低。为了降低成本，专利CN02517137提供了一种微乳化油包水难燃液压液的工艺配方，此配方体系中加入了35％左右的软化水，有效降低了成本。此工艺对油包水体系进行了改进，提高了体系的稳定性，不过对水的硬度要求高，长时间使用可能会出现析油的问题。相对而言，针对水-乙二醇难燃液压液体系的研究较少，专利CN1367231A提供了一种具有消泡性能好和抗磨性高的水-乙二醇难燃液压液，此配方并没有考察产品的寿命。目前发表的专利中针对低成本长寿命型难燃液压液的研究较少。
发明内容
本发明所要解决的技术问题是针对上述现有技术存在的不足而提供一种长寿命型水-乙二醇难燃液压液，其具有优异的稳定性，润滑性能好，使用寿命长，且综合平衡了难燃液压液的各项性能，能满足液压设备的实际使用需要，特别适合于易接触明火的工作环境下液压设备的使用需求。
本发明为解决上述提出的问题所采用的技术方案为：
一种长寿命型水-乙二醇难燃液压液，它的主要组成按质量份数计为：水30～40份，乙二醇35～45份，增粘剂10～20份，润滑剂3～10份，复合抗腐蚀剂0.6～1.8份，抗泡剂0.002～0.005份，染色剂0.001～0.002份。
按上述方案，所述增粘剂为高分子聚醚型增粘剂Pluracol V-10。
按上述方案，所述的润滑剂为脂肪酸胺盐，由辛酸与三乙醇胺、异丙醇胺进行中和反应后形成的脂肪酸胺盐。其中，各原料按质量份数计为：辛酸25～35份，5～15份三乙醇胺和15～25份异丙醇胺，5～15份去离子水。
按上述方案，所述的复合抗腐蚀剂包括巯基苯并噻唑、钼酸钠、甲基苯并三氮唑三组分体系的混合水溶液。其中，各原料按质量份数计为：10～30份巯基苯并噻唑、10～30份钼酸钠、1～3份甲基苯并三氮唑和50～80份去离子水。
按上述方案，所述的螯合剂为EDTA、柠檬酸钠、酒石酸钠等中的至少一种或者几种的混合物。
按上述方案，所述的抗泡剂为有机硅型抗泡剂LZ5674等。
按上述方案，所述的染色剂为碱性品红等。
本发明还提供上述一种长寿命型水-乙二醇难燃液压液的制备方法，主要步骤如下：
1)按质量份数计，称取辛酸25～35份加入到调和釜中加热到50℃，依次加入5～15份三乙醇胺和15～25份异丙醇胺，机械搅拌2小时，最后加入5～15份去离子水搅拌均匀后可得到脂肪酸胺盐溶液，即为润滑剂；
2)按质量份数计，分别称取10～30份巯基苯并噻唑、10～30份钼酸钠、1～3份甲基苯并三氮唑和50～80份去离子水机械搅拌均匀，得到复合抗腐蚀剂；
3)按质量份数计，分别称取水30～40份，润滑剂3～10份，复合抗腐蚀剂0.6～1.8份，抗泡剂0.002～0.005份，染色剂0.001～0.002份，室温搅拌均匀后再加入35～45份乙二醇和10～20份增粘剂，充分搅拌得到均一溶液，即为长寿命型水-乙二醇难燃液压液。
与现有技术相比，本发明的有益效果是：
1、本发明所述长寿命型水-乙二醇难燃液压液产品在使用过程中具有优异的稳定性，润滑性能好，使用寿命长，且综合平衡了难燃液压液的各项性能，能满足液压设备的实际使用需要，特别适合于易于着火的工作环境下液压设备的使用需求。
2、本发明中所述润滑剂为辛酸和有机胺(三乙醇胺和异丙醇胺)反应得到脂肪酸胺盐，此类润滑剂由电子密度高的极性基和非极性长链烃基构成，能很快吸附在金属表面上，构成致密的单分子膜，显著降低金属表面能量，并减少薄膜间的剪切应力，从而降低了金属的滑动摩擦系数，从而明显改善水-乙二醇抗燃液压液的润滑性。
3、本发明对针对传统的水-乙二醇难燃液压液进行改进，通过使用复合抗腐蚀剂的方法，有效降低了难燃液压液对铜、铁、银等金属的腐蚀；而这类金属被腐蚀后形成的金属阳离子被证明能加速液压液的氧化过程，因此加入复合抗腐蚀剂能有效提高难燃液压液的使用寿命。
4、本发明所述的一种长寿命型水-乙二醇难燃液压液，其体系中加入了螯合剂，能有效降低硬水中钙离子对产品稳定行的影响，在使用过程中偶然混入的硬水不会对整个体系的稳定性造成影响。
5、本发明所述的一种长寿命型水-乙二醇难燃液压液制造方法简单，质量稳定，成本低，具有较高的推广应用价值。
附图说明
图1为对比例以及实施例1～3中的水-乙二醇难燃液压液的摩擦系数曲线。其中，摩擦系数的测试条件为：载荷200N，频率50Hz，振幅1.0mm，时间为2小时，按照ASTM5707标准进行。
具体实施方式
为了更好地理解本发明，下面结合实施例进一步阐明本发明的内容，但本发明不仅仅局限于下面的实施例。
实施例1
一种长寿命型水-乙二醇难燃液压液，其组成以及制备过程如下：
1)按质量份数计，称取辛酸27份加入到调和釜中加热到50℃，依次加入8份三乙醇胺和24份异丙醇胺，机械搅拌2小时，最后加入10份去离子水搅拌均匀，得到润滑剂；
2)按质量份数计，分别称取10份巯基苯并噻唑、30份钼酸钠、1份甲基苯并三氮唑和50份去离子水，机械搅拌均匀，得到复合抗腐蚀剂；
3)按质量份数计，分别称取水30份，润滑剂10份，复合抗腐蚀剂1.8份，抗泡剂0.004份，染色剂0.001份，室温搅拌均匀后再加入45份乙二醇和10份增粘剂，充分搅拌得到均一溶液，即得长寿命型水-乙二醇难燃液压液。
实施例2
一种长寿命型水-乙二醇难燃液压液，其组成以及制备过程如下：
1)按质量份数计，称取辛酸30份加入到调和釜中加热到50℃，依次加入15份三乙醇胺和20份异丙醇胺，机械搅拌2小时，最后加入12份去离子水搅拌均匀，得到润滑剂；
2)按质量份数计，分别称取20份巯基苯并噻唑、20份钼酸钠、2份甲基苯并三氮唑和70份去离子水，机械搅拌均匀，得到复合抗腐蚀剂；
3)按质量份数计，分别称取水36份，润滑剂8份，复合抗腐蚀剂1.2份，抗泡剂0.003份，染色剂0.001份，室温搅拌均匀后再加入40份乙二醇和14份增粘剂，充分搅拌得到均一溶液，即得长寿命型水-乙二醇难燃液压液。
实施例3
一种长寿命型水-乙二醇难燃液压液，其组成以及制备过程如下：
1)按质量份数计，称取辛酸34份加入到调和釜中加热到50℃，依次加入15份三乙醇胺和8份异丙醇胺，机械搅拌2小时，最后加入8份去离子水搅拌均匀，得到润滑剂；
2)按质量份数计，分别称取30份巯基苯并噻唑、10份钼酸钠、3份甲基苯并三氮唑和50份去离子水，机械搅拌均匀，得到复合抗腐蚀剂；
3)按质量份数计，分别称取水40份，润滑剂4份，复合抗腐蚀剂0.6份，抗泡剂0.003份，染色剂0.002份，室温搅拌均匀后再加入30份乙二醇和20份增粘剂，充分搅拌得到均一溶液，即得长寿命型水-乙二醇难燃液压液。
对比例：国外某著名公司46#水-乙二醇型难燃液压液
实施例1-3所得水-乙二醇难燃液压液的各性能参数如表1所示，综合平衡了难燃液压液的各项性能，能满足液压设备的实际使用需要。这是主要基于本发明体系采用合适比例的水、乙二醇、功能添加剂进行复配，其中以脂肪酸胺盐作为润滑剂保证体系具有较好的润滑性能，复合抗腐蚀剂保证难燃液压液在使用过程中的稳定性，故保证难燃液压液的各项性能均能达到相应标准，满足液压设备的实际使用需要。
对比例所述现有水-乙二醇型难燃液压液的各性能参数也如表1所示。
表1
目前国家标准GB/T 21449-2008水-乙二醇型难燃液压液对产品提出了相关的要求，在实际使用过程中温度、压力以及各种外来污染物对难燃液压液的性能会造成影响，从而降低使用寿命。而目前针对水-乙二醇型难燃液压液的使用寿命的研究则相对较少，本发明通过向水-乙二醇体系加入复合抗腐蚀剂和润滑剂，有效的改进了抗磨性能并提高了产品的使用寿命，实施例所得难燃液压液的理化数据与国外某著名公司46#水-乙二醇型难燃液压液进行对比，如表1所示，其中实施例与对比例产品理化性能都满足国标的要求，其中值得注意的是实施例中由于采用了复合抗腐蚀剂，不仅仅对铁有良好的保护左右，而且对铜有较好的抗腐蚀作用，有效降低金属离子进入难燃液压液体系造成额外的污染和加速氧化过程。因此，实施例中难燃液压液有较长的使用寿命。
实施例与对比例的摩擦系数对比结果如图1所示。由图1可知：实施例所得水-乙二醇难燃液压液的摩擦系数与国外某著名公司46#水-乙二醇型难燃液压液的初期摩擦系数较大，经过一段时间的磨合，摩擦系数均明显降低并最后保持相对稳定，相对于对比例，三个实施例的摩擦系数较小且保持相对稳定，显示出良好的润滑状态。
以上所述仅是本发明的优选实施方式，应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出若干改进和变换，这些都属于本发明的保护范围。
Claims (10)
1.一种长寿命型水-乙二醇难燃液压液，其特征在于它的主要组成按质量份数计为：水30～40份，乙二醇35～45份，增粘剂10～20份，润滑剂3～10份，复合抗腐蚀剂0.6～1.8份，螯合剂0.05～0.2份，抗泡剂0.002～0.005份，染色剂0.001～0.002份；所述的润滑剂为脂肪酸胺盐，所述的复合抗腐蚀剂为巯基苯并噻唑、钼酸钠、甲基苯并三氮唑的混合物。
2.根据权利要求1所述的一种长寿命型水-乙二醇难燃液压液，其特征在于所述的复合抗腐蚀剂为巯基苯并噻唑、钼酸钠、甲基苯并三氮唑的水溶液。
3.根据权利要求1所述的一种长寿命型水-乙二醇难燃液压液，其特征在于所述的润滑剂的制备方法为：按质量份数计，称取辛酸25～35份加入到调和釜中加热到40～60℃，依次加入5～15份三乙醇胺和15～25份异丙醇胺，搅拌1～3小时，最后加入5～15份水搅拌均匀后，得到脂肪酸胺盐溶液，即为润滑剂。
4.根据权利要求1所述的一种长寿命型水-乙二醇难燃液压液，其特征在于所述的复合抗腐蚀剂的制备方法为：按质量份数计，分别称取10～30份巯基苯并噻唑、10～30份钼酸钠、1～3份甲基苯并三氮唑和50～80份水搅拌均匀，得到复合抗腐蚀剂。
5.根据权利要求1所述的一种长寿命型水-乙二醇难燃液压液，其特征在于所述的螯合剂为EDTA、柠檬酸钠、酒石酸钠的至少一种或者几种的混合物。
6.根据权利要求1所述的一种长寿命型水-乙二醇难燃液压液，其特征在于所述的抗泡剂为有机硅型抗泡剂。
7.根据权利要求1所述的一种长寿命型水-乙二醇难燃液压液，其特征在于所述的染色剂为碱性品红。
8.根据权利要求1所述的一种长寿命型水-乙二醇难燃液压液，其特征在于所述增粘剂为高分子聚醚型增粘剂。
9.权利要求1-8中的任意一项所述的一种长寿命型水-乙二醇难燃液压液的制备方法，其特征在于主要步骤如下：
按质量份数计，分别称取水30～40份，润滑剂3～10份，复合抗腐蚀剂0.6～1.8份，螯合剂0.05～0.2份，抗泡剂0.002～0.005份，染色剂0.001～0.002份，室温搅拌均匀后再加入35～45份乙二醇和10～20份增粘剂，充分搅拌得到均一溶液，即为长寿命型水-乙二醇难燃液压液。
10.一种长寿命型水-乙二醇难燃液压液的制备方法，其特征在于主要步骤如下：
1）按质量份数计，称取辛酸25～35份加入到调和釜中加热到40～60℃，依次加入5～15份三乙醇胺和15～25份异丙醇胺，机械搅拌1～3小时，最后加入5～15份去离子水搅拌均匀后可得到脂肪酸胺盐溶液，作为润滑剂；
2）按质量份数计，分别称取10～30份巯基苯并噻唑、10～30份钼酸钠、1～3份甲基苯并三氮唑和50～80份水搅拌均匀，得到复合抗腐蚀剂；
3）按质量份数计，分别称取水30～40份，润滑剂3～10份，复合抗腐蚀剂0.6～1.8份，螯合剂0.05～0.2份，抗泡剂0.002～0.005份，染色剂0.001～0.002份，室温搅拌均匀后再加入35～45份乙二醇和10～20份增粘剂，充分搅拌得到均一溶液，即为长寿命型水-乙二醇难燃液压液。
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| JPS5938295A (ja) * | 1982-08-27 | 1984-03-02 | Toyota Motor Corp | 水−グリコ−ル型作動油 |
| CN1367231A (zh) * | 2002-03-04 | 2002-09-04 | 赵洪 | 一种水－乙二醇难燃液压液及其制备方法 |
| CN102086422A (zh) * | 2009-12-03 | 2011-06-08 | 中国石油天然气股份有限公司 | 水-乙二醇抗燃液压液 |
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| CN111575098A (zh) * | 2020-05-19 | 2020-08-25 | 郑州正赢石化有限公司 | 一种焦化专用抗高温阻燃抗磨液压液及其制备方法 |
| CN113817535A (zh) * | 2021-10-29 | 2021-12-21 | 中国石油化工股份有限公司 | 一种控制水基润滑剂产生沉淀的方法 |
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