Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for recycling waste lubricating oil

A technology for lubricating oil and engine oil, applied in the field of lubricating oil, can solve the problems of reducing the recycling efficiency of waste lubricating oil, and not completely solving the problems of removing impurities such as metals in waste lubricating oil, so as to shorten the settling time and improve the working efficiency. Effect

Inactive Publication Date: 2022-06-14
大庆开发区路通润滑油有限公司
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The commonly used engine oil is mineral engine oil, which is a kind of product obtained by distillation of heavy fractions of petroleum under reduced pressure. Impurities such as metal powder produced by wear and tear; the second refers to the gradual deterioration of the engine oil, forming organic acids, colloids and asphalt-like substances. At present, some waste lubricating oil recovery technologies have not completely solved the removal of metal and other impurities in waste lubricating oil , the impurities in the waste oil are not well removed, which reduces the recovery efficiency of waste lubricating oil

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024]Embodiment 1: a method for recycling waste lubricating oil, comprising the following steps: Step 1, sedimentation treatment: pouring the recycled waste lubricating oil into a filter barrel in turn, and filtering the impurities in the waste oil through the filter screen in the filter barrel, Then pour the filtered waste lubricating oil into the static bucket, and heat the static bucket with heating equipment to increase the oil temperature to 50 degrees Celsius for 10 minutes, then turn off the fire and let it stand for 1 hour to reduce impurities. To the bottom of the stationary bucket, use a filter with a mesh of 50 to filter the waste lubricating oil for 2 times. After filtering the waste lubricating oil through the filter screen, it is necessary to use a magnetic suction filter element to filter the waste lubricating oil. Perform secondary filtration, and filter once; step 2, water removal: pour the filtered waste lubricating oil into the oil refining pot and raise the...

Embodiment 2

[0025] Embodiment 2: a method for recycling waste lubricating oil, comprising the following steps: step 1, sedimentation treatment: pouring the recycled waste lubricating oil into a filter barrel in turn, and filtering the impurities in the waste oil through the filter screen in the filter barrel, Then pour the filtered waste lubricating oil into the static barrel, and heat the static barrel by heating equipment to increase the oil temperature to 60 degrees Celsius for 15 minutes, then turn off the fire and let it stand for 1.5 hours to reduce impurities. To the bottom of the stationary bucket, filter the waste lubricating oil with a 50-mesh filter screen for 3 times. After filtering the waste lubricating oil through the filter screen, it is necessary to use a magnetic suction filter element to filter the waste lubricating oil. Carry out secondary filtration, filter 2 times; step 2, water removal: pour the filtered waste lubricating oil into the oil refining pot and raise the t...

Embodiment 3

[0026]Embodiment 3: a method for recycling waste lubricating oil, comprising the following steps: Step 1, sedimentation treatment: pouring the recycled waste lubricating oil into a filter barrel in turn, and filtering the impurities in the waste oil through the filter screen in the filter barrel, Then pour the filtered waste lubricating oil into the static bucket, and heat the static bucket with heating equipment to increase the oil temperature to 70 degrees Celsius for 20 minutes, then turn off the fire and let it stand for 2 hours to reduce impurities. To the bottom of the stationary bucket, filter the waste lubricating oil with a filter screen with a mesh number of 50 for 4 times. After filtering the waste lubricating oil through the filter screen, it is necessary to use a magnetic suction filter element to filter the waste lubricating oil. Perform secondary filtration and filter 3 times; step 2, water removal: pour the filtered waste lubricating oil into the oil refining po...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a method for recycling waste lubricating oil, and relates to the technical field of lubricating oil. The method for recycling the waste lubricating oil comprises the seven steps of sedimentation treatment, moisture removal, distillation, waste oil acid washing, waste oil alkali washing, waste oil decoloration and packaging. Waste lubricating oil is heated during sedimentation, the viscosity of the waste lubricating oil is reduced along with the higher oil temperature, the falling speed of impurities is increased, the sedimentation time of the impurities is shortened, the working efficiency is indirectly improved, metal powder of the waste lubricating oil can be filtered and absorbed through the magnet suction filter element, and the service life of the waste lubricating oil is prolonged. According to the method, metal powder is added into the waste oil, the influence of the metal powder on the quality of subsequently recycled lubricating oil is avoided, colloid, asphaltic impurities and organic acid in the engine oil are removed under the dual operation of acid washing and alkali washing, activated clay and the waste oil are mixed and heated to be kept at the constant temperature, and the waste oil can be subjected to decoloration and adsorption treatment.

Description

technical field [0001] The invention relates to the technical field of lubricating oil, in particular to a method for recycling waste lubricating oil. Background technique [0002] The general oil is mineral oil, which is a kind of product obtained by vacuum distillation of heavy fractions of petroleum. The so-called waste oil means that the oil is mixed with water, dust, other miscellaneous oils and parts during use. Impurities such as metal powder produced by wear; the second refers to the gradual deterioration of the engine oil, resulting in the formation of organic acids, colloids and asphalt-like substances. At present, some of the waste lubricating oil recycling technologies have not completely solved the removal of metals and other impurities in the waste lubricating oil. , the impurities in the waste oil are not well removed, and the recycling efficiency of the waste lubricating oil is reduced. SUMMARY OF THE INVENTION [0003] The purpose of the present invention...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C10M175/02C10M175/00
CPCC10M175/02C10M175/0025C10M175/0033C10M175/0016C10M175/0008C10M175/00
Inventor 崔悦张健刘海风孙智慧刘曦
Owner 大庆开发区路通润滑油有限公司