CN101988024A - 废机油再生工艺 - Google Patents

废机油再生工艺 Download PDF

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CN101988024A
CN101988024A CN2009101832697A CN200910183269A CN101988024A CN 101988024 A CN101988024 A CN 101988024A CN 2009101832697 A CN2009101832697 A CN 2009101832697A CN 200910183269 A CN200910183269 A CN 200910183269A CN 101988024 A CN101988024 A CN 101988024A
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CN101988024B (zh
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张勤英
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Pizhou Chengde Machinery Manufacturing Co., Ltd.
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张勤英
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Abstract

一种废机油再生工艺，将废弃的机油经加温沉淀出大部污物后，用工业压滤机、高目数滤网将油体中剩余的悬浮杂质滤出，此时的油体如已达到近乎正品机油颜色即为成品，如果油体颜色还较深，再经活性白土吸附脱色，滤出即为成品。

Description

废机油再生工艺
所属技术领域：
本发明提供一种废机油的再生工艺，具体指利用废弃的机油经再生处理后用做机械润滑油。
背景技术：
废机油的来源较多，发动机定期更换出的，拆船公司于轮机舱舱底抽出的等等。纵观废机油再生的方法均为“酸碱法”，经浓硫酸处理后滤出的沉淀物为强酸性质，属次生污染物，无论如何处理都会污染环境或空气；“酸碱法”再生处理的时间周期长，需耗费酸碱化工原料和较多的加温燃料，加工成本高。
发明内容：
本发明提供一种废机油的再生工艺，针对其再生后一般为机械润滑，对品质要求不高的特点，经加温排水、沉淀，压滤弃除杂质后即可使用。
技术方案：
本发明所采用的技术方案是：将废弃的机油经加温排出水分、沉淀出大部污物后，再用工业压滤机高目滤网压滤，将废油中的悬浮杂质成份滤出，如果油体颜色深，最后用活性白土吸附脱色，如果经高目滤网压滤后油体颜色接近正品机油，即可为成品。
本发明的有益效果是：采用加温沉淀和压滤的方法弃除悬浮杂质，不用酸碱，缩短加工周期，降低加工成本和避免次生污染物对环境的污染。
具体实施方式：
首先，将废机油置于反应釜或金属容器，加温100-120℃，视含水量不同维持1-3小时以排除水分，然后自然降温静置24小时，沉淀出大部分悬浮杂质；
第二步进行压滤：使用工业压滤机和采用高目数滤网，将油体中的剩余悬浮杂质滤出。滤出悬浮杂质后的油体如果接近正品颜色即可为成品；
第三步吸附脱色：经高目压滤后的油体颜色如果较深，还必须经吸附脱色。将油体加温到130℃左右，根据油体颜色深浅，按重量百分比，取油体重量1％-4％的活性白土，在对油体中速搅拌的情况下，加入白土，再搅拌1小时左右。停止搅拌，油体静态保持温度110-120℃约4小时后，冷却、沉淀、滤出即为近乎正品颜色的成品。

Claims (4)

1.一种废机油再生工艺，将废弃的机油经加温沉淀出大部污物后，用工业压滤机并采用高目数滤网，将剩余悬浮杂质滤出，如果油体颜色较深，再用活性白土吸附脱色，其特征是：使用“非酸碱法”的高目工业压滤机滤出油体中剩余悬浮杂质，避免化工原料消耗和简化工艺流程、缩短加工时间、降低加工成本。
2.根据权利要求1所述的废机油再生工艺，其特征在于：所述的废机油再生工艺，是将废弃的机油经再生净化加工处理后，替代正品机油在机械润滑方面使用。
3.根据权利要求1所述的废机油再生工艺，其特征在于：所述的将废弃的机油经加温沉淀出大部污物，为利用油体的黏度随温度升高而降低的特性，先行经加温、沉淀、分离出废油中的水分和大部分污物，以减少流程时间和加工成本。
4.根据权利要求1所述的废机油再生工艺，其特征在于：所述的用工业压滤机将剩余悬浮杂质滤出，避免了“酸碱法”次生污染物对环境的污染。
CN200910183269A 2009-07-30 2009-07-30 废机油再生工艺 Expired - Fee Related CN101988024B (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102304414A (zh) * 2011-08-03 2012-01-04 江苏雕皇石化科技有限公司 废润滑油再生方法
CN102755788A (zh) * 2011-04-29 2012-10-31 常州高度新能源科技有限公司 复合稀土泡沫金属机油再生滤芯
CN102925275A (zh) * 2012-11-02 2013-02-13 大连易斯达汽车转向系统制造有限公司 一种废油再生装置及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1364862A (zh) * 2002-03-01 2002-08-21 韩润根 废机油生产轻柴油的方法
JP2005103385A (ja) * 2003-09-29 2005-04-21 Nippon Oil Corp 油吸着材の再生利用方法
CN1854272A (zh) * 2005-04-26 2006-11-01 李平 废机油还原成品机油及提炼汽油、柴油的方法设备及装置
CN101362982A (zh) * 2008-08-28 2009-02-11 阳红钢 废机油再生方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1364862A (zh) * 2002-03-01 2002-08-21 韩润根 废机油生产轻柴油的方法
JP2005103385A (ja) * 2003-09-29 2005-04-21 Nippon Oil Corp 油吸着材の再生利用方法
CN1854272A (zh) * 2005-04-26 2006-11-01 李平 废机油还原成品机油及提炼汽油、柴油的方法设备及装置
CN101362982A (zh) * 2008-08-28 2009-02-11 阳红钢 废机油再生方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102755788A (zh) * 2011-04-29 2012-10-31 常州高度新能源科技有限公司 复合稀土泡沫金属机油再生滤芯
CN102304414A (zh) * 2011-08-03 2012-01-04 江苏雕皇石化科技有限公司 废润滑油再生方法
CN102925275A (zh) * 2012-11-02 2013-02-13 大连易斯达汽车转向系统制造有限公司 一种废油再生装置及方法

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