CN108587738A - 一种螺杆式氨制冷压缩机用冷冻机油复合添加剂组合物及其制备方法 - Google Patents

一种螺杆式氨制冷压缩机用冷冻机油复合添加剂组合物及其制备方法 Download PDF

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CN108587738A
CN108587738A CN201810558597.XA CN201810558597A CN108587738A CN 108587738 A CN108587738 A CN 108587738A CN 201810558597 A CN201810558597 A CN 201810558597A CN 108587738 A CN108587738 A CN 108587738A
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refrigerator oil
refrigerating compressor
ammonia refrigerating
composite additive
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刘燕
杨德胜
王海军
刘杰
乔琦
林建荣
王储
吉祥
辛玲
张向英
李木青
杜川
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Shandong Chi Cheng Petrochemical Co Ltd
CNOOC Taizhou Petrochemical Co Ltd
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Shandong Chi Cheng Petrochemical Co Ltd
CNOOC Taizhou Petrochemical Co Ltd
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Abstract

本发明公开了一种螺杆式氨制冷压缩机用冷冻机油复合添加剂组合物，以重量百分比计算，包含：芳烃稀释剂，5％‑70％；抗氧剂，0.1％‑20％；极压抗磨剂，0.1％‑10％；金属减活剂，0.01％‑5％；消泡剂，0.001％‑0.2％；其中，所述芳烃稀释剂40℃的运动黏度为5‑100mm2/s，％CA为4％‑60％。添加了本发明的添加剂组合物后的螺杆式氨制冷压缩机用冷冻机油具有更优异的低温流动性、氧化安定性、极压抗磨性、金属防腐蚀性、抗泡沫性，可以更高效地长寿命在氨制冷压缩机中循环工作。另外，本发明的添加剂组合物使冷冻机油的生产操作更简易高效、能耗更低。

Description

一种螺杆式氨制冷压缩机用冷冻机油复合添加剂组合物及其 制备方法
技术领域
本发明涉及一种机油复合添加剂，更确切地说，是一种螺杆式氨制冷压缩机用冷冻机油复合添加剂组合物。
背景技术
压缩式制冷系统的工作原理是利用制冷剂气化挥发时，吸收周围介质的热量，使温度降低进行冷却，然后通过压缩机将制冷剂压缩、冷凝器散热液化，再重新气化，如此循环往复。压缩机是这种制冷系统的关键，冷冻机油在压缩机内起润滑、散热、密封和防腐等作用，对制冷系统效率的发挥及压缩机的寿命有着显著影响，因此选择性能优异的冷冻机油对压缩制冷系统来说是十分重要。以氨为制冷剂的大型螺杆式制冷压缩机组的制冷负荷大、制冷效率高，因此对配套冷冻机油产品的冷却、润滑、密封、防腐等性能，以及氧化安定性和使用寿命有更高的要求。为了满足螺杆式氨制冷压缩机的严苛工况，添加不同功能添加剂是提高冷冻机油产品使用性能的重要方式。
目前高压加氢工艺是生产高品质矿物型润滑油的主流工艺，该工艺环保、清洁、高效，得到的润滑油基础油几乎无芳烃化合物，采用这类深度精制的基础油作为冷冻机油产品原料油，在使用中其氧化安定性和光安定性会有一定缺陷。由于冷冻机油配方中涉及原料种类多，这使其在生产中工序繁琐，会造成操作效率降低和能耗升高。
发明内容
本发明主要是解决现有技术所存在的技术问题，从而提供一种多用清洁工具。
本发明的上述技术问题主要是通过下述技术方案得以解决的：
本发明公开了一种螺杆式氨制冷压缩机用冷冻机油复合添加剂组合物，以重量百分比计算，包含：
芳烃稀释剂，5％-70％；
抗氧剂，0.1％-20％；
极压抗磨剂，0.1％-10％；
金属减活剂，0.01％-5％；
消泡剂，0.001％-0.2％；
所述的以上各组分的质量百分比之和为100％；
其中，
所述芳烃稀释剂40℃的运动黏度为5-100mm2/s，％CA为4％-60％。
优选地，所述的芳烃稀释剂为轻烷基苯、重烷基苯、二烷基苯、烷基萘中的一种或多种，所述的抗氧剂为酚型、胺型、苯胺型、萘胺型抗氧剂中的一种或多种，所述的极压抗磨剂为硫型、磷型、硫磷型极压抗磨剂中的一种或多种，所述的金属减活剂为苯三唑类、噻二唑类、胺类化合物和杂环衍生物中的一种或多种，所述的消泡剂为硅型、非硅型、复合型消泡剂中的一种或多种。
优选地，所述抗氧剂是2，6-二叔丁基对甲酚、2，6-二叔丁基α-二甲基氨基对甲酚、葵基苯基α-萘胺、辛基/丁基二苯胺、高分子酚酯中的一种或两种，所述的极压抗磨剂是磷酸三甲酚酯、硫代磷酸三苯酯、二苄基二硫化物、亚磷酸二正丁酯中的一种或两种，所述的金属减活剂是N,N-二烷基氨基亚甲基苯三唑、苯并三唑、烷基噻二唑、杂环化合物中的一种或两种，所述的消泡剂是二甲基硅油、聚甲基丙烯酸酯、硅型与非硅型复合消泡剂中的一种或两种。
优选地，所述的复合添加剂组合物在冷冻机油中的加入比例为1％-60％。
本发明还公开了一种如前述的螺杆式氨制冷压缩机用冷冻机油复合添加剂组合物的制备方法，包含步骤：
1)、将抗氧剂在50-60℃下加至芳烃稀释剂中，并搅拌30min至均匀；
2)、将极压抗磨剂，在50-70℃下加至步骤1)中制备的混合物中，并搅拌30min至均匀；
3)、将金属减活剂，在50-70℃下加至步骤2)制备的混合物中，并搅拌30min至均匀；
4)、将消泡剂，在40-60℃下加至步骤3)制备的混合物中，并搅拌50min至均匀。
添加了本发明的添加剂组合物后的螺杆式氨制冷压缩机用冷冻机油具有更优异的低温流动性、氧化安定性、极压抗磨性、金属防腐蚀性、抗泡沫性，可以更高效地长寿命在氨制冷压缩机中循环工作。另外，本发明的添加剂组合物使冷冻机油的生产操作更简易高效、能耗更低。
具体实施方式
下面对本发明的优选实施例进行详细阐述，以使本发明的优点和特征能更易于被本领域技术人员理解，从而对本发明的保护范围做出更为清楚明确的界定。
以下复合添加剂组合物均按照下述步骤进行制备：
1)、将抗氧剂在50-60℃下加至芳烃稀释剂中，并搅拌30min至均匀；
2)、将极压抗磨剂，在50-70℃下加至步骤1)中制备的混合物中，并搅拌30min至均匀；
3)、将金属减活剂，在50-70℃下加至步骤2)制备的混合物中，并搅拌30min至均匀；
4)、将消泡剂，在40-60℃下加至步骤3)制备的混合物中，并搅拌50min至均匀。
实施例1
复合添加剂组合物1，具体配方见表1，芳烃稀释剂为轻烷基苯，其40℃运动黏度为6mm2/s，％CA(芳香环上的碳原子占平均分子总碳原子的百分率)为8％。
表1冷冻机油复合添加剂组合物1
实施例2
复合添加剂组合物2，具体配方见表2，芳烃稀释剂为重烷基苯，其40℃运动黏度为40mm2/s，％CA(芳香环上的碳原子占平均分子总碳原子的百分率)为26％。
表2冷冻机油复合添加剂组合物2
实施例3
复合添加剂组合物3，具体配方见表3，芳烃稀释剂为烷基萘，其40℃运动黏度为90mm2/s，％CA(芳香环上的碳原子占平均分子总碳原子的百分率)为50％。
表3冷冻机油复合添加剂组合物3
实施例4
复合添加剂组合物4，具体配方见表4，芳烃稀释剂为二烷基苯，其40℃运动黏度为22mm2/s，％CA(芳香环上的碳原子占平均分子总碳原子的百分率)为40％。
表4冷冻机油复合添加剂组合物4
实施例5
复合添加剂组合物5，具体配方见表5，芳烃稀释剂为轻烷基苯，其40℃运动黏度为10mm2/s，％CA(芳香环上的碳原子占平均分子总碳原子的百分率)为18％。
表5冷冻机油复合添加剂组合物5
实施效果
采用实施例1-5的冷冻机油复合剂和适宜的冷冻机油基础油调合后，得到表6中不同黏度级别的螺杆式氨制冷压缩机用冷冻机油，表6里列举了对应的冷冻机油的理化性能参数。
表6螺杆式氨制冷压缩机用环保全封闭冷冻机油性能
(改性复合添加剂配方)
表7为现有的产品的理化性能参数，这里列举了L-DRA15，L-DRA46，L-DRA100，L-DRA32和L-DRA22，五种商品牌号。
表7螺杆式氨制冷压缩机用环保全封闭冷冻机油性能
(传统单剂配方)
添加了本发明的添加剂组合物后的螺杆式氨制冷压缩机用冷冻机油具有更优异的低温流动性、氧化安定性、极压抗磨性、金属防腐蚀性、抗泡沫性，可以更高效地长寿命在氨制冷压缩机中循环工作。另外，本发明的添加剂组合物使冷冻机油的生产操作更简易高效、能耗更低。
以上实施例仅用以说明本发明的技术方案而非限制，尽管参照较佳实施例对本发明进行了详细说明，本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改，其均应涵盖在本发明的权利要求范围当中。

Claims (5)

1.一种螺杆式氨制冷压缩机用冷冻机油复合添加剂组合物，以重量百分比计算，包含：
芳烃稀释剂，5％-70％；
抗氧剂，0.1％-20％；
极压抗磨剂，0.1％-10％；
金属减活剂，0.01％-5％；
消泡剂，0.001％-0.2％；
所述的以上各组分的质量百分比之和为100％；
其中，
所述芳烃稀释剂40℃的运动黏度为5-100mm2/s，％CA为4％-60％。
2.根据权利要求1所述的螺杆式氨制冷压缩机用冷冻机油复合添加剂组合物，其特征在于，所述的芳烃稀释剂为轻烷基苯、重烷基苯、二烷基苯、烷基萘中的一种或多种，所述的抗氧剂为酚型、胺型、苯胺型、萘胺型抗氧剂中的一种或多种，所述的极压抗磨剂为硫型、磷型、硫磷型极压抗磨剂中的一种或多种，所述的金属减活剂为苯三唑类、噻二唑类、胺类化合物和杂环衍生物中的一种或多种，所述的消泡剂为硅型、非硅型、复合型消泡剂中的一种或多种。
3.根据权利要求2所述的螺杆式氨制冷压缩机用冷冻机油复合添加剂组合物，其特征在于，所述抗氧剂是2，6-二叔丁基对甲酚、2，6-二叔丁基α-二甲基氨基对甲酚、葵基苯基α-萘胺、辛基/丁基二苯胺、高分子酚酯中的一种或两种，所述的极压抗磨剂是磷酸三甲酚酯、硫代磷酸三苯酯、二苄基二硫化物、亚磷酸二正丁酯中的一种或两种，所述的金属减活剂是N,N-二烷基氨基亚甲基苯三唑、苯并三唑、烷基噻二唑、杂环化合物中的一种或两种，所述的消泡剂是二甲基硅油、聚甲基丙烯酸酯、硅型与非硅型复合消泡剂中的一种或两种。
4.根据权利要求1所述的螺杆式氨制冷压缩机用冷冻机油复合添加剂组合物，其特征在于，所述的复合添加剂组合物在冷冻机油中的加入比例为1％-60％。
5.一种如权利要求1或2或3中所述的螺杆式氨制冷压缩机用冷冻机油复合添加剂组合物的制备方法，包含步骤：
1)、将抗氧剂在50-60℃下加至芳烃稀释剂中，并搅拌30min至均匀；
2)、将极压抗磨剂，在50-70℃下加至步骤1)中制备的混合物中，并搅拌30min至均匀；
3)、将金属减活剂，在50-70℃下加至步骤2)制备的混合物中，并搅拌30min至均匀；
4)、将消泡剂，在40-60℃下加至步骤3)制备的混合物中，并搅拌50min至均匀。
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