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A recovery treatment agent and treatment method for zero discharge of rolling waste liquid

A technology of recovery treatment and treatment method, which is applied in the direction of separation method, liquid separation, immiscible liquid separation, etc., can solve the problems of unrecyclable, damaged rolling oil performance, poor compatibility, etc., and achieve saving investment cost and treatment The effect of fees

Active Publication Date: 2021-06-01
NANJING KERUN LUBRICANTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing oil-water separation technology mostly uses flocculants and demulsifiers for oil-water separation. These flocculants and demulsifiers have poor compatibility with rolling oil components, and may even destroy the components in rolling oil, resulting in separation The performance of the rolling oil that comes out is damaged in all aspects, so it cannot be reused

Method used

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  • A recovery treatment agent and treatment method for zero discharge of rolling waste liquid
  • A recovery treatment agent and treatment method for zero discharge of rolling waste liquid

Examples

Experimental program
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Effect test

Embodiment 1

[0029] Put 2L of rolling waste emulsion into a beaker, detect that the mass percent concentration of oil in the waste emulsion is 2.5%, that is, the oil content is 50 grams, add oil-water separation oil with 1% (0.5 grams) of oil quality in the waste emulsion agent, stirred for 20 minutes;

[0030] Move the waste emulsion into the separatory funnel, let it stand for 60 minutes, release the lower clear liquid, and then pour the upper layer oil into the recovery oil storage tank;

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Abstract

The invention discloses a recovery treatment agent for zero discharge of rolling waste liquid, and also discloses a treatment method for realizing zero discharge of rolling waste liquid by using the above recovery treatment agent, the treatment method can carry out rolling waste emulsion Thorough oil-water separation, the separated oil can be mixed with rolling crude oil in proportion for reuse, and the water phase can be used as daily water replenishment for rolling mills, thus realizing zero-discharge treatment of waste emulsion. The lubricating performance of the mixed oil obtained after blending the oil phase of the oil phase with the rolling crude oil is equivalent to that of the rolling crude oil.

Description

technical field [0001] The invention relates to a recovery treatment agent for zero discharge of rolling waste liquid, and also relates to a treatment method for realizing zero discharge of rolling waste liquid by using the recovery treatment agent, which belongs to the technical field of industrial media. Background technique [0002] Emulsion is used as a lubricating cooling medium in the steel rolling process. During the use of the emulsion, there will be a certain amount of waste emulsion; when the emulsion system equipment is overhauled, the emulsion in the equipment must be drained, which will inevitably produce a large amount of waste emulsion . [0003] The current waste emulsion treatment method is basically to separate the waste emulsion from oil and water first. The separated waste oil needs to be further processed and then used as biofuel for incineration. The waste water needs to be flocculated to produce sludge, and the clear liquid needs to be Discharge up t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M175/00C10M175/04C02F1/40B01D17/02B01D17/05
CPCB01D17/02B01D17/04C02F1/40C10M175/0016C10M175/04
Inventor 孙吉庆聂晓霖
Owner NANJING KERUN LUBRICANTS
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