CN101723502A - Water treatment agent applied to circulating water system in paint shop - Google Patents

Water treatment agent applied to circulating water system in paint shop Download PDF

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Publication number
CN101723502A
CN101723502A CN200910048803A CN200910048803A CN101723502A CN 101723502 A CN101723502 A CN 101723502A CN 200910048803 A CN200910048803 A CN 200910048803A CN 200910048803 A CN200910048803 A CN 200910048803A CN 101723502 A CN101723502 A CN 101723502A
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CN
China
Prior art keywords
water
treatment agent
water treatment
biodegradable
tensio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN200910048803A
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Chinese (zh)
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CN101723502B (en
Inventor
常立
谢爱军
芦洪涛
尤国彪
高素萍
董爱想
杨磊
管留忠
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SHANGHAI LICHANG ENVIRONMENTAL ENGINEERING Co Ltd
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SHANGHAI LICHANG ENVIRONMENTAL ENGINEERING Co Ltd
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Publication date
Application filed by SHANGHAI LICHANG ENVIRONMENTAL ENGINEERING Co Ltd filed Critical SHANGHAI LICHANG ENVIRONMENTAL ENGINEERING Co Ltd
Priority to CN2009100488033A priority Critical patent/CN101723502B/en
Publication of CN101723502A publication Critical patent/CN101723502A/en
Application granted granted Critical
Publication of CN101723502B publication Critical patent/CN101723502B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides a water treatment agent having good adhesion-losing and agglomerating functions to paint mist generated in the constructions of solvent-borne type and water-based paints. The water treatment agent is mainly applied to a wet type paint mist removing circulating water system in a paint shop. The water treatment agent has a simple production process and a low cost, uses a biodegradable material as a main raw material, avoids the secondary pollution generated in water during medicament application, and effectively protects the environment.

Description

A kind of water conditioner that is applied to circulating water system in paint shop
Technical field:
The invention belongs to the environmental pollution treatment technology field, be mainly used in application workshop wet type and remove in the coating cloud circulating water system.
Background technology:
In automobile, household electrical appliances, furniture industry and partly plastic processing industry, painting operation mostly adopts modern spraying technology, in encloses container formula paint spray booth or painting workshop carry out, and be equipped with and send accordingly, the exhaust system wet type is removed the coating cloud system.The main purpose that this wet type is removed the coating cloud system is: remove over-sprayed paint fog, the staff's that sprays paint to keep the scene intact health prevents that over-sprayed paint fog is to be painted pollution.The normal wet type spray chamber that adopts utilizes water as absorption agent in painting operation, constitutes spray chamber circulating water.Its principle of work is: coating cloud contacts with cascade or spray water, and paint is eluted in the water and forms paint particle and taken away by water.After adopting special process to isolate paint, water continues to recycle.
In order to keep the operation of recirculated water long-term safety, cross and spray paint and from recirculated water, to separate.This just requires coating cloud to be separated with convenient by abundant unsticking; The inharmonious process of paint is carried out at aqueous phase, usually need in water, add specific water conditioner, make the paint that carries in the water fully inharmonious and from water, separate smoothly, adhere to paint spray booth's wall, pipe pump inwall, draught fan impeller, flume wall etc. and locate to result in blockage to prevent it.Inharmonious paint generally swims on the water surface, be suspended in the water or under be sunken in the water.
The existing water conditioner that is used for application workshop recirculated water exists the formaldehyde that contains hazardous substance, and the coating cloud visbreaking is not thorough, can not biological degradation, recirculated water is produced secondary pollution, and influence the problems such as subsequent disposal of recirculated water.
Summary of the invention:
Product of the present invention is a main raw material by chitosan and biodegradable dibasic ester, adds the aqueous solution that inorganic coagulant aids and tensio-active agent are mixed with.This aqueous solution chitosan-containing 0.1-10%, divalent ester mixture 0-10%, inorganic coagulant aids 1-5%, tensio-active agent 0.1-1%, water 84-98.7%.
Preferable proportioning is chitosan 0.1-3%, divalent ester mixture 1-3%, inorganic coagulant aids 3-5%, tensio-active agent 0.1-0.3%, water 87.9-97.8%
Dibasic ester can be a dimethyl succinate, Methyl glutarate, two or more mixture of dimethyl adipate or other biodegradable dibasic esters.Inorganic coagulant aids can be a Tai-Ace S 150, polymerize aluminum chloride, one or more in liquid double-acid ferro-aluminum, iron(ic) chloride, the aluminum chloride.Tensio-active agent is a kind of nonionogenic tenside, and its molecular-weight average is less than 10000.
The preparation method of this water conditioner adds tensio-active agent, divalent ester mixture, chitosan to stir successively in water, add inorganic coagulant aids at last and stir.
The application operating method:
(1) this water conditioner should slowly add in the tank recirculated water ingress that needs purify.
(2) this water conditioner basis interpolation concentration is 0.2% (time that can guarantee aggregation is within specialized range) of quantity of circulating water.
(3) this water conditioner must have additional dosage when normal spray painting operation, and it is proportional with the amount of spraying paint to replenish dosage; Be generally 1: 12~1: 20.
(4) this water conditioner uses requires circulating water system pH value 6.5-7.5
(5) use the solid condensation product that in time to isolate after this water conditioner in the recirculated water.
The present invention compared with prior art has the following advantages:
(1) this water conditioner can make coating cloud thoroughly inharmonious, has solved equipment surface and has adhered to paint, and the lacquer slag muck amasss bottom land, stops up the problem at positions such as circulation line, nozzle, has reduced the cleaning difficulty in application workshop, has reduced the maintenance cost of relevant device.
(2) do not contain objectionable impuritiess such as formaldehyde in this water conditioner, the application workshop condition is had no adverse effects.
(3) this water conditioner is biodegradable, can not form secondary pollution to circulating water system.
The key technical indexes; After using this invention medicament, the coating cloud clearance is greater than 90%; Lacquer slag come-up rate is greater than 85%; The organic solution removal effect is obvious; The lacquer slag of come-up is loose cellular caking, produces COD, BOD amount than common product in water treatment and reduces 80-90%.
Embodiment:
Example 1
Divalent ester mixture adopts three kinds of biodegradable divalent ester mixture DBE-IB, and tensio-active agent employing molecular weight is 4000 nonionogenic tenside PCA-1550, and inorganic coagulant aids adopts aluminum chloride.Can prepare following sample in proportion.
??A ??B ??C ??D ??E ??F
??DBE-IB ??1.0 ??3.0 ??1.0 ??3.0 ??1.0 ??3.0
??PCA-1550 ??0.2 ??0.2 ??0.3 ??0.3 ??0.2 ??0.2
Aluminum chloride ??3.0 ??3.0 ??3.0 ??3.0 ??5.0 ??5.0
Chitosan ??0.5 ??0.5 ??0.5 ??0.5 ??0.7 ??0.7
Water ??95.3 ??93.3 ??95.2 ??93.2 ??93.1 ??91.1
Sample A-F is a colourless transparent liquid.
Example 2
Divalent ester mixture adopts three kinds of biodegradable divalent ester mixture DBE-IB, and tensio-active agent employing molecular weight is 4000 nonionogenic tenside PCA-1550, and inorganic coagulant aids adopts Tai-Ace S 150.Can prepare following sample in proportion.
??G ??H ??I ??J ??K ??L
??DBE-IB ??1.0 ??3.0 ??1.0 ??3.0 ??1.0 ??3.0
??PCA-1550 ??0.2 ??0.2 ??0.3 ??0.3 ??0.2 ??0.2
Tai-Ace S 150 ??3.0 ??3.0 ??3.0 ??3.0 ??5.0 ??5.0
Chitosan ??0.5 ??0.5 ??0.5 ??0.5 ??0.7 ??0.7
Water ??95.3 ??93.3 ??95.2 ??93.2 ??93.1 ??91.1
Sample G-L is the light green transparent liquid.
Example 3
Divalent ester mixture adopts three kinds of biodegradable divalent ester mixture DBE-IB, and tensio-active agent employing molecular weight is 4000 nonionogenic tenside PCA-1550, and inorganic coagulant aids adopts polymerize aluminum chloride.Can prepare following sample in proportion.
??M ??N ??O ??P ??Q ??R
??DBE-IB ??1.0 ??3.0 ??1.0 ??3.0 ??1.0 ??3.0
??PCA-1550 ??0.2 ??0.2 ??0.3 ??0.3 ??0.2 ??0.2
Polymerize aluminum chloride ??3.0 ??3.0 ??3.0 ??3.0 ??5.0 ??5.0
Chitosan ??0.5 ??0.5 ??0.5 ??0.5 ??0.7 ??0.7
Water ??95.3 ??93.3 ??95.2 ??93.2 ??93.1 ??91.1
Sample M-R is a light yellow transparent liquid.
Example 4
Divalent ester mixture adopts three kinds of biodegradable divalent ester mixture DBE-IB, and tensio-active agent employing molecular weight is 3000 nonionogenic tenside PCA-1050, and inorganic coagulant aids adopts polymerize aluminum chloride.Can prepare following sample in proportion.
??S ??T ??U ??V ??W ??X
??DBE-IB ??1.0 ??3.0 ??1.0 ??3.0 ??1.0 ??3.0
??S ??T ??U ??V ??W ??X
??PCA-1050 ??0.2 ??0.2 ??0.3 ??0.3 ??0.2 ??0.2
Polymerize aluminum chloride ??3.0 ??3.0 ??3.0 ??3.0 ??5.0 ??5.0
Chitosan ??0.5 ??0.5 ??0.5 ??0.5 ??0.7 ??0.7
Water ??95.3 ??93.3 ??95.2 ??93.2 ??93.1 ??91.1
Sample S-X is a light yellow transparent liquid.

Claims (1)

1. water treatment agent that is applied to circulating water system in paint shop is characterized in that:
1, product of the present invention is a main raw material by chitosan and biodegradable dibasic ester, adds the aqueous solution that inorganic coagulant aids and tensio-active agent are mixed with.
2, the aqueous solution chitosan-containing 0.1-10% described in the claim 1, biodegradable divalent ester mixture 0-10%, inorganic coagulant aids 1-5%, tensio-active agent 0.1-1%, water 84-98.7%
3, the biodegradable dibasic ester described in the claim 1 is selected from dimethyl succinate, Methyl glutarate, the mixture of two or more of dimethyl adipate and other biodegradable dibasic ester.
4, the inorganic coagulant aids described in the claim 1 is selected from Tai-Ace S 150, polymerize aluminum chloride, liquid double-acid ferro-aluminum, iron(ic) chloride, one or more in the aluminum chloride.
5, the tensio-active agent in the claim 1 is characterized in that a kind of molecular-weight average is less than 10000 nonionogenic tensides.
CN2009100488033A 2009-04-03 2009-04-03 Water treatment agent applied to circulating water system in paint shop Expired - Fee Related CN101723502B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009100488033A CN101723502B (en) 2009-04-03 2009-04-03 Water treatment agent applied to circulating water system in paint shop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009100488033A CN101723502B (en) 2009-04-03 2009-04-03 Water treatment agent applied to circulating water system in paint shop

Publications (2)

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CN101723502A true CN101723502A (en) 2010-06-09
CN101723502B CN101723502B (en) 2012-07-04

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105668741A (en) * 2016-03-29 2016-06-15 上海立昌环境工程股份有限公司 Degradable single-dose paint mist coagulant and preparation method and application thereof
CN110436551A (en) * 2019-07-29 2019-11-12 济南德耐一开电力科技有限公司 A kind of multi-function sewage treating agent and preparation method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6673263B2 (en) * 2001-07-26 2004-01-06 Ppg Industries Ohio, Inc. Compositions incorporating chitosan for paint detackification
CN100469461C (en) * 2005-08-25 2009-03-18 上海问鼎环保科技有限公司 Paint mist treatment method for paint spray booth

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105668741A (en) * 2016-03-29 2016-06-15 上海立昌环境工程股份有限公司 Degradable single-dose paint mist coagulant and preparation method and application thereof
CN105668741B (en) * 2016-03-29 2018-03-06 上海立昌环境工程股份有限公司 A kind of degradable one-pack type lacquer mist coagulant and its preparation method and application
CN110436551A (en) * 2019-07-29 2019-11-12 济南德耐一开电力科技有限公司 A kind of multi-function sewage treating agent and preparation method thereof

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Granted publication date: 20120704