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A kind of waste mineral oil impurity vibration separation device and separation method thereof

A technology of oscillating separation and waste mineral oil, which is applied in the multi-stage series refining process, etc., can solve the problems of long and unreachable settling time, and achieve the effect of shortening the separation time.

Active Publication Date: 2021-08-06
南京绿帝环保能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this patent can guarantee the quality of back-end oil products, the required settling time is longer than 24h
[0004] The Chinese Utility Model Patent No. 201520436612.5 discloses a multi-type oil mixed waste mineral oil filtration and impurity removal system, including a front-end pretreatment device, a high-speed centrifugal separation device, a middle inclined plate sedimentation device, and a rear-end sedimentation water separation device, etc. , although the impurity removal efficiency of this patent is as high as 98%, but it can only be achieved after multiple removal operations such as filtration, sedimentation, centrifugation, and sedimentation, and simple sedimentation cannot achieve this effect

Method used

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  • A kind of waste mineral oil impurity vibration separation device and separation method thereof
  • A kind of waste mineral oil impurity vibration separation device and separation method thereof
  • A kind of waste mineral oil impurity vibration separation device and separation method thereof

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Embodiment 1

[0032] A waste mineral oil impurity vibration separation device, such as Figure 1-4 As shown, the vibration separation tank 1 is included, and the vibration separation tank 1 is sequentially provided with an overflow section 11, a sedimentation separation section 12 and a buffer separation section 13 from top to bottom; the top of the overflow section 11 is provided with a net oil outlet, and the net oil outlet is connected There is a net oil collection tank 5; an ultrasonic vibration separator 2 is arranged in the settling separation section 12, and a waste mineral oil inlet and a liquid distributor 7 are arranged above the ultrasonic vibration separator 2, and the liquid distributor 7 communicates with the waste mineral oil inlet, and the liquid Distributor 7 is provided with a nozzle, liquid distributor 7 is provided with baffle 8, waste mineral oil inlet, liquid distributor 7 and baffle 8 are arranged in sedimentation separation section 12; buffer separation section 13 bot...

Embodiment 2

[0041] A method for oscillating and separating waste mineral oil impurities is separated by the waste mineral oil impurity oscillating separation device of embodiment 1, which comprises the following steps:

[0042] (1) The waste mineral oil with a temperature of 60°C and a pressure of 0.4 MPa.G is transported to the settling separation section 12 in the vibration separation tank 1, and after being discharged through the liquid distributor 7, it enters the ultrasonic vibration separator 2;

[0043] (2) after the waste mineral oil stays in the ultrasonic vibration separator 2 for 3h, separate and obtain the upper stratum clean oil, the middle stratum moisture and the bottom solid impurity;

[0044] (3) Net oil overflows into the overflow section 11 and is discharged through the net oil outlet; moisture and solid impurities enter the buffer separation section 13 and are discharged through the outlet of water and solid impurities.

[0045] In step 1, the conveying speed of the wa...

Embodiment 3

[0050] With embodiment 1, difference is, in the present embodiment:

[0051] The temperature of waste mineral oil is 120°C and the pressure is 1.2MPa.G;

[0052] The waste mineral oil stays in the ultrasonic vibration separator 2 for 5h;

[0053] In step 1, the conveying speed of the waste mineral oil is 20t / h, and the ultrasonic frequency of the ultrasonic vibration separator 2 is 90kHz.

[0054] In this embodiment, the impurity content in the waste mineral oil is 5.0wt%. The waste mineral oil utilizes the waste mineral oil impurity vibration separation device of Embodiment 1. After being separated by the separation method of this embodiment, the removal rate of water and solid impurities It is 95wt%.

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Abstract

The invention relates to the technical field of waste mineral oil separation, and discloses a waste mineral oil impurity oscillation separation device, which includes an oscillation separation tank, and the oscillation separation tank is sequentially provided with an overflow section, a sedimentation separation section and a buffer separation section from top to bottom. There is an ultrasonic vibration separator in the separation section, and a waste mineral oil inlet and a liquid distributor are arranged above the ultrasonic vibration separator. The liquid distributor is connected to the waste mineral oil inlet. The baffle plate, the waste mineral oil inlet, the liquid distributor and the baffle plate are arranged in the settling separation section; a method for oscillating and separating waste mineral oil impurities is also disclosed. The waste mineral oil impurity removal device of the present invention can realize the separation of clean oil, solid impurities and water in waste mineral oil. Compared with the prior art, the present invention greatly shortens the separation time of waste mineral oil; improves the separation efficiency, The impurity removal rate reaches 90-95wt%, and the processing capacity is as high as 3-20t / h.

Description

technical field [0001] The invention relates to the technical field of waste mineral oil separation, in particular to a waste mineral oil impurity vibration separation device and a separation method thereof. Background technique [0002] Waste mineral oil refers to mineral oil mixed with impurities such as water, dust, other miscellaneous oils, and metal powder produced by machine wear during use, resulting in blackening of the color, increase in viscosity, and gradual deterioration of the oil, resulting in organic acids, Colloidal and bituminous substances. During the regeneration process, the water and solid impurities must be removed, and the existing impurity removal method is mainly sedimentation and separation. In the existing sedimentation separation operation, after the waste mineral oil is left to stand in the container for 8-12 hours, the solid impurities are separated at the bottom of the container, and the waste mineral oil after removing water and solid impurit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G53/02
CPCC10G53/02
Inventor 韩玉龙梅涛李晓晓
Owner 南京绿帝环保能源科技有限公司