CN102978049A - Regenerating method of cleaning waste liquor of hydrocarbon cleaner - Google Patents
Regenerating method of cleaning waste liquor of hydrocarbon cleaner Download PDFInfo
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- CN102978049A CN102978049A CN2012104965086A CN201210496508A CN102978049A CN 102978049 A CN102978049 A CN 102978049A CN 2012104965086 A CN2012104965086 A CN 2012104965086A CN 201210496508 A CN201210496508 A CN 201210496508A CN 102978049 A CN102978049 A CN 102978049A
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- agent
- carbon hydrogen
- hydrogen detergent
- waste liquid
- hydrocarbon cleaner
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Abstract
The invention provides a regenerating method of cleaning waste liquor of a hydrocarbon cleaner, and in particular relates to a method for purifying a hydrocarbon cleaner from hydrocarbon cleaner cleaning waste liquor. The method is characterized by comprising the steps of: 1, adding the hydrocarbon cleaner cleaning waste liquor in a container, slowly adding industrial sulphuric acid of 98 percent, fully stirring for 20-30min, standing for 2-3h, and layering due to different densities; 2, extracting supernatant as a basic material, feeding to an organic distillation device, recycling the purified hydrocarbon cleaner by negative pressure distillation, and incinerating residues in the distillation kettle; and 3, separating waste acid containing grease, dust and water at the lower layer, and mixing into the wastewater for treating. The regenerating method is used for regenerating cleaning waste liquor, has a considerable economic benefit, is capable of reducing environment pollution, and accords with the environmental protection idea. The recycled and regenerated hydrocarbon cleaner is satisfied in test and plant using effects, and can completely replace a hydrocarbon cleaner product for use.
Description
Technical field
The invention belongs to technical field of chemical engineering, be specifically related to the regeneration treating method that a kind of agent for carbon hydrogen detergent cleans waste liquid.
Background technology
Now the agent for carbon hydrogen detergent processing mode of cleaning waste liquid is mainly: 1. directly outwell or pour drainage pipeline into and enter rivers,lakes and seas, owing to include a large amount of industrial waste oils, dust etc., cause easily the pollution of underground water, soil, rivers,lakes and seas or atmosphere etc.; 2. burn as auxiliary fuel, this processing mode economic worth is lower, and produces the burning slag, soil, atmosphere etc. is produced pollute easily.
Up to the present, also agent for carbon hydrogen detergent is not cleaned the relevant report that waste liquid is regenerated and purified.
Summary of the invention
The object of the present invention is to provide a kind of method that agent for carbon hydrogen detergent cleaning waste liquid is regenerated and purified.
" agent for carbon hydrogen detergent " among the present invention refers to that boiling range is 150～200 ℃ hydro carbons clean-out system.
" agent for carbon hydrogen detergent cleaning waste liquid " among the present invention refers to clean the waste liquid that has circulated the impurity such as grease, dust, moisture behind the object contain greasy dirt (treated oil, lubricating grease, slushing oil, wax etc.) with agent for carbon hydrogen detergent.
In general, wipe oil is used alkalescence or organic molten oily matter usually.The present invention furthers investigate, after adopting the vitriol oil that the waste oil in the agent for carbon hydrogen detergent cleaning waste liquid is carried out the pickling purification, adopt again distillation further to purify, can remove the impurity such as the grease that circulates in the cleaning objects process in the clean-out system, dust, moisture, reach the purpose of purification agent for carbon hydrogen detergent, obtained the agent for carbon hydrogen detergent of high purity and excellent stability.
Particularly, the present invention is a kind of method of cleaning purification agent for carbon hydrogen detergent the waste liquid from agent for carbon hydrogen detergent, it is characterized in that, comprises the steps:
(1) in container, add agent for carbon hydrogen detergent and clean waste liquid, slowly add 98% industrial sulphuric acid, fully stir 20-30 minute after, left standstill 2-3 hour layering occurs because density is different;
(2) extract supernatant liquid as basestocks, enter organic distillation plant, utilize vacuum distillation to reclaim the agent for carbon hydrogen detergent of purifying, the residue in the still kettle is carried out burning disposal;
(3) separate the spent acid that lower floor contains grease, dust, moisture, incorporate wastewater treatment into.
In the step (1), preferred enamel system or the acidproof plastic container (using reactor on the technical scale) that uses band stirring and liquidometer.The add-on of 98% industrial sulphuric acid can according to concrete settings such as oleaginousness in the waste liquid, be generally the 10%-20% of waste liquid weight.
The present invention can clean the waste liquid purification processes that repeatedly circulates to agent for carbon hydrogen detergent, and the purification rate of recovery of agent for carbon hydrogen detergent can reach more than 95%.
The price per ton of general agent for carbon hydrogen detergent product is more than 10,000 yuan, cleans the waste liquid processing that acts as a fuel, and is cheap, very unfortunate.The present invention not only has considerable economic benefit cleaning the waste liquid recovery of regenerating, but environmental contamination reduction also meets environmental protection concept.
The agent for carbon hydrogen detergent of reclaiming is colourless transparent liquid, desirable satisfied through test and factory's result of use, complete alternative agent for carbon hydrogen detergent product uses, its character meets the performance of agent for carbon hydrogen detergent product fully: (1) cleaning performance is good: be all nonpolar petroleum fractions with most lubricating oil, slushing oil, machining oil, principle according to similar compatibility, to Polyoxyethylene Lauryl Ether, the good penetrability of greasy dirt, its better effects if of cleaning mineral oil is in halohydrocarbon and aqueous cleaning agent.(2) vaporization losses is little: boiling point is more than 150 ℃, and volatilization loss is little in using the keeping process, and is very low to the seal request of packing material and equipment.(3) toxicity is extremely low: tasteless or little smelly, through toxicological test, its putting poison property of suction, Oral toxicity and skin contact toxicity are ultralow poison, and do not belong to carcinogenic substance, and the cleaning operation librarian use is safer.(4) material compatibility is good: the erosions such as moisture-free and chlorine, sulphur, can not produce corrosion and oxidation to various metallic substance, and belong to again non-polar solvent, most of plastics and rubber there are not dissolving, swelling and embrittling effect.(5) can thoroughly volatilize without vestiges: under normal temperature and heated condition, all can volatilize fully, without any residual.(6) welding not: be that important non-ODS substitutes one of clean-out system (according to " Chinese cleaning industry ODS whole eliminate plan ", ODS refers to CFC-113(fluorine Lyons), TCA(trichloroethane), CTC(tetracol phenixin) three kinds of clean-out systems.), can welding.
The regenerate agent for carbon hydrogen detergent that reclaims of the present invention can be widely used in the industries such as five metals, jewellery, clock and watch, automobile, motorcycle, space flight and aviation, electronics, electric, liquid crystal, semi-conductor, can effectively remove various greasy dirts, grease and help weldering resin etc.
Embodiment
Embodiment 1(laboratory scale)
Get 2 liters of agent for carbon hydrogen detergent cleaning waste liquids (punching oil that cleaning part produces, the resulting waste liquid of slushing oil) and pour in the beaker in the course of processing, then under slowly stirring, slowly pour 300 milliliter 98% the industrial vitriol oil into, fully stirred 25 minutes.In whipping process, find, agent for carbon hydrogen detergent clean waste liquid by original faint yellow turbid liquid with the pouring into and stir and become gradually colourless transparent liquid of the vitriol oil, float on the beaker upper strata; The vitriol oil is drawn the oil content color and is turned deeply, is brown, sinks to the beaker bottom.Standing demix 2.5 hours is got supernatant liquid and is poured in the distiller of laboratory, adds thermal distillation, and temperature is to obtain 1.8 liters of cut products in 180 degree.
Clean respectively 100 pieces of oil-containing electrical fittings with this product and agent for carbon hydrogen detergent product, cleaning performance is basically identical, and the article surface washing oil is clean, without vestiges.
Embodiment 2(commercial production scale)
(1) removes the impurity such as most waste oil that agent for carbon hydrogen detergent cleans its inside of dissolving in the waste liquid by the acidifying separatory: after in the enamel still of band stirring and liquidometer, adding oily waste water agent for carbon hydrogen detergent (punching oil that cleaning part produces, the resulting waste liquid of slushing oil) in the course of processing, slowly add 98% the industrial vitriol oil under slowly stirring, the add-on of acid is 20% of waste liquid quality.After the acid adding, fully stirred 30 minutes, the vitriol oil is fully mixed with the oily waste water agent for carbon hydrogen detergent, then standing demix is 2 hours.The impurity such as the most of grease in the useless agent for carbon hydrogen detergent, moisture have broken away from from waste liquid and have dissolved in the vitriol oil, owing to contain oily vitriol oil density about 1.6-1.8kg/L, be positioned at lower floor, and the clean-out system density after the de-oiling are positioned at the upper strata about 1kg/L.
Extract supernatant liquid as basestocks, measure the light absorption value of basestocks with the check deoiling effect, the light absorption value reference point is the homology rinse product, and the light absorption value of basestocks proves that near the rinse product value deoiling effect is successfully completed.Separate dissolved the spent acid lower floor of grease and other refuse, incorporate wastewater treatment into.
(2) remove acidic impurities, residual moisture and the grease etc. that to bring in (1), further purification agent for carbon hydrogen detergent: the basestocks that obtains after the oil removing is entered organic distillation plant, utilize the boiling-point difference between clean-out system and the dirt, be to extract clean-out system under the condition of 600～700mmHg in negative pressure, agent for carbon hydrogen detergent steam forms liquid again in water cooler, be recycled the agent for carbon hydrogen detergent of regeneration.The boiling range of agent for carbon hydrogen detergent is 150～200 ℃, and flash-point is about 50 ℃, because boiling point height and flash-point is lower, distillation reproduction ratio difficulty can reduce boiling point under the condition of negative pressure under normal pressure, is easy to reclaiming.In addition, a small amount of stillage residue that distillation is produced carries out burning disposal.
The agent for carbon hydrogen detergent of reclaiming is put into electricity produce to pour in the factory and clean micromotor fitting in the ultrasonic drilling machine, cleaning performance and cleaning objects amount are equal to the agent for carbon hydrogen detergent product fully.
Claims (3)
1. the regeneration treating method of an agent for carbon hydrogen detergent cleaning waste liquid is a kind of method of cleaning purification agent for carbon hydrogen detergent the waste liquid from agent for carbon hydrogen detergent, it is characterized in that, comprises the steps:
(1) in container, add agent for carbon hydrogen detergent and clean waste liquid, slowly add 98% industrial sulphuric acid, fully stir 20-30 minute after, left standstill 2-3 hour layering occurs because density is different;
(2) extract supernatant liquid as basestocks, enter organic distillation plant, utilize vacuum distillation to reclaim the agent for carbon hydrogen detergent of purifying, the residue in the still kettle is carried out burning disposal;
(3) separate the spent acid that lower floor contains grease, dust, moisture, incorporate wastewater treatment into.
2. method according to claim 1 is characterized in that, the container that uses in the step (1) is enamel system or acidproof plastic container.
3. method according to claim 1 is characterized in that, the add-on of industrial sulphuric acid is the 10%-20% of waste liquid weight in the step (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104965086A CN102978049A (en) | 2012-11-28 | 2012-11-28 | Regenerating method of cleaning waste liquor of hydrocarbon cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104965086A CN102978049A (en) | 2012-11-28 | 2012-11-28 | Regenerating method of cleaning waste liquor of hydrocarbon cleaner |
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| Publication Number | Publication Date |
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| CN102978049A true CN102978049A (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012104965086A Pending CN102978049A (en) | 2012-11-28 | 2012-11-28 | Regenerating method of cleaning waste liquor of hydrocarbon cleaner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104230086A (en) * | 2014-09-25 | 2014-12-24 | 成都源永科技发展有限公司 | Method for recycling water-based paint detergent waste liquid |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220319A (en) * | 2007-12-14 | 2008-07-16 | 杨守生 | Combustion restraining agent for carbon hydrogen detergent and method for producing the same |
| CN101565831A (en) * | 2009-04-30 | 2009-10-28 | 深圳市科玺化工有限公司 | Cyclic renewable water-based cleaning agent and cyclic renewing technology |
| CN101591590A (en) * | 2008-05-28 | 2009-12-02 | 天津市华阳新兴科技有限公司 | A kind of environmental protection and safety type hydrocarbon cleaning agent |
-
2012
- 2012-11-28 CN CN2012104965086A patent/CN102978049A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220319A (en) * | 2007-12-14 | 2008-07-16 | 杨守生 | Combustion restraining agent for carbon hydrogen detergent and method for producing the same |
| CN101591590A (en) * | 2008-05-28 | 2009-12-02 | 天津市华阳新兴科技有限公司 | A kind of environmental protection and safety type hydrocarbon cleaning agent |
| CN101565831A (en) * | 2009-04-30 | 2009-10-28 | 深圳市科玺化工有限公司 | Cyclic renewable water-based cleaning agent and cyclic renewing technology |
Non-Patent Citations (1)
| Title |
|---|
| 刘瑞广: "碳氢清洗剂再生利用工艺方法的研究", 《辽宁师范大学学报（自然科学版)》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104230086A (en) * | 2014-09-25 | 2014-12-24 | 成都源永科技发展有限公司 | Method for recycling water-based paint detergent waste liquid |
| CN104230086B (en) * | 2014-09-25 | 2016-04-27 | 成都源永科技发展有限公司 | A kind of method that water-borne coatings clean-out system spent solution regeneration utilizes |
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Application publication date: 20130320 |