CN1227193A - Anti-sludging agent for automobile cooling system - Google Patents
Anti-sludging agent for automobile cooling system Download PDFInfo
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- CN1227193A CN1227193A CN 98100856 CN98100856A CN1227193A CN 1227193 A CN1227193 A CN 1227193A CN 98100856 CN98100856 CN 98100856 CN 98100856 A CN98100856 A CN 98100856A CN 1227193 A CN1227193 A CN 1227193A
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- water
- scale
- cooling system
- edta
- borax
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- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The scale inhibitor consists of sodium carbonate, sodium silicate, EDTA, EDTA disodium, borax, benzotriazonyl and water. It has a scale inhibiting rate to calcium carbonate greater than 95% and no corrosion to brass, carbon steeland metal aluminum so that it may be used in automobile cooling system to prolong the service life of automobile.
Description
The invention belongs to water technology, more particularly, relate to the Scale inhibitors that a kind of automobile cooling system is used.
The cooling of automobile is one to finish by the circulation of water.In the recirculated water operational process, comprise that in water circulation system the inwall of freezing water tank is progressively assembled incrustation scale, normally calcium carbonate scale.The existence of incrustation scale not only has a strong impact on heat-transfer effect, and makes the water temperature rising " boiling " phenomenon occur easily, increases the concentration of the obnoxious flavour in oil consumption and the tail gas, even stops up the recirculated water route, damages engine.Solve at present the vehicle water circulation system scale problems that comprises automobile: the firstth, stop and clean, unload lower header, to clean with mineral acid, dirt is discharged in the alkali lye neutralization, repeatedly washes with clear water again, is so time-consumingly to take a lot of work again.The secondth, develop various scale removers, a kind of " water tank of vehicle scale remover " carried in patent application as CN1085525A, and to be that macromolecular organic compounds such as thionamic acid, benzotriazole, thiocarbamide, sodium polyacrylate, sodium alkyl benzene sulfonate are synthetic form main component; " a kind of high-efficiency quick descaling agent of cleaning water scale on vehicle radiator inner wall " of CN1144780A and for example, it is made up of eight kinds of compositions such as tripoly phosphate sodium STPP, ethylenediamine tetraacetic acid (EDTA)s.Above-mentioned two kinds all is to form the passive scale removal measure that the back is taked at incrustation scale.The 3rd is to study how to stop incrustation scale to form, " five-function liquid for automobile water tank protection " as the CN1076956A proposition, its moiety comprises ethylene glycol, ethanol, Sodium phosphate dibasic, water glass, SODIUMNITRATE, Sodium Nitrite, sodium hydroxide, Sodium Benzoate, borax, trolamine, benzotriazole, dyestuff, distilled water etc., the contained ratio of component of said composition is more, and mainly is antifreeze, anti-boiling.
The purpose of this invention is to provide a kind of automobile cooling system and lower-cost Scale inhibitors of being applicable to.
Scale inhibitors of the present invention is made of water glass, yellow soda ash, ethylenediamine tetraacetic acid (EDTA), disodium ethylene diamine tetraacetate, borax, benzotriazole and water.The shared weight percentage of each component is: water glass 2.5-4.0%, yellow soda ash 2-4%, ethylenediamine tetraacetic acid (EDTA) 3-4%, disodium ethylene diamine tetraacetate 2-5%, borax 3-5%, benzotriazole 1-2%, surplus is a water.
The used raw material of the present invention all is commercially available prod.
The preparation method of Scale inhibitors of the present invention: at first yellow soda ash is joined in the container, when being heated to 45-55 ℃, add ethylenediamine tetraacetic acid (EDTA), second two respectively by tetraacethyl disodium, be heated to 60-70 ℃ and add water glass, borax, benzotriazole and water again, promptly obtain required product after mixing.
Using method of the present invention: Scale inhibitors joins in the cooling water tank, and add-on is the 3-5% of cooling water inflow.
Major advantage of the present invention: the used raw material of Scale inhibitors of the present invention all produces the commercially available prod, obtains easily, and product cost is lower, and the preparation method is simple.Scale inhibitors lime carbonate scale inhibition performance of the present invention after tested＞95%.Brass, carbon steel, lead base are not originally corroded, so this scale remover is used for automobile cooling system, can prolongs the work-ing life of automobile, guarantee that automobile normally moves.Scale inhibitors of the present invention can be miscible with existing various refrigerants, frostproofer.
Further describe characteristics of the present invention with example below.
Example 1
This example is the scale remover of preparation 10kg.Preparation process: 0.25kg yellow soda ash is added in the container, add 0.4kg ethylenediamine tetraacetic acid (EDTA), 0.3kg disodium ethylene diamine tetraacetate mixing when being heated to 50 ℃ respectively, be heated to 65 ℃, add 0.3kg water glass, 0.1kg benzotriazole, 0.4kg borax and 8.2kg tap water again and mix and promptly obtain water white liquid.
With reference to " the water coolant analysis and the test method " of China PetroChemical Corporation and the Ministry of Chemical Industry " water quality and water conditioner quality product detect water conditioner corrosion inhibiting and descaling agent standard analysis result in the handbook: the scale inhibition performance 100% of the lime carbonate of Scale inhibitors, brass corrosion inhibition rate 100%, carbon steel corrosion inhibition rate 96.38%, aluminium test piece light are as before.
Example 2
This example is a preparation 100kg scale remover, and preparation process is with example 1.Used raw material: 4kg yellow soda ash, 3kg ethylenediamine tetraacetic acid (EDTA), 4.5kg disodium ethylene diamine tetraacetate, 3kg borax, 15kg benzotriazole, surplus are tap water.Product is water white liquid behind the mixing, after tested: the scale inhibition performance 100% of lime carbonate.
Claims (2)
1. Scale inhibitors that automobile cooling system is used, the weight percentage that it is characterized in that the component of Scale inhibitors is: water glass 2.5-4.0%, yellow soda ash 2-4%, ethylenediamine tetraacetic acid (EDTA) 3-4%, disodium ethylene diamine tetraacetate 2-5%, borax 3-5%, benzotriazole 1-2%, surplus is a water.
2. the preparation method of the described Scale inhibitors of claim 1, it is characterized in that preparation process: yellow soda ash is joined in the container, be heated to 45-55 ℃, add ethylenediamine tetraacetic acid (EDTA), disodium ethylene diamine tetraacetate respectively, be heated to 60-70 ℃, add water glass, borax, benzotriazole and water again, promptly obtain required product behind the mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98100856 CN1227193A (en) | 1998-02-26 | 1998-02-26 | Anti-sludging agent for automobile cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98100856 CN1227193A (en) | 1998-02-26 | 1998-02-26 | Anti-sludging agent for automobile cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1227193A true CN1227193A (en) | 1999-09-01 |
Family
ID=5216295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98100856 Pending CN1227193A (en) | 1998-02-26 | 1998-02-26 | Anti-sludging agent for automobile cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1227193A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300377C (en) * | 2004-11-25 | 2007-02-14 | 长沙艾森设备维护技术有限公司 | Airplane cleaning agent |
| CN102311177A (en) * | 2010-06-30 | 2012-01-11 | 三浦工业株式会社 | Method of operating steam boiler |
| CN104628162A (en) * | 2013-11-11 | 2015-05-20 | 中国石油化工股份有限公司 | Biological slime stripping agent and method for stripping biological slime in circulating cooling water system |
| CN110701486A (en) * | 2019-10-22 | 2020-01-17 | 湖北富邦科技股份有限公司 | High-concentration long-distance additive for phosphate concentrate |
| CN110714205B (en) * | 2019-09-16 | 2022-02-01 | 铜陵市华创新材料有限公司 | Electrolytic copper foil integrated machine anode plate descaling agent for lithium ion battery and preparation and use methods thereof |
-
1998
- 1998-02-26 CN CN 98100856 patent/CN1227193A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300377C (en) * | 2004-11-25 | 2007-02-14 | 长沙艾森设备维护技术有限公司 | Airplane cleaning agent |
| CN102311177A (en) * | 2010-06-30 | 2012-01-11 | 三浦工业株式会社 | Method of operating steam boiler |
| CN104628162A (en) * | 2013-11-11 | 2015-05-20 | 中国石油化工股份有限公司 | Biological slime stripping agent and method for stripping biological slime in circulating cooling water system |
| CN104628162B (en) * | 2013-11-11 | 2017-01-11 | 中国石油化工股份有限公司 | Biological slime stripping agent and method for stripping biological slime in circulating cooling water system |
| CN110714205B (en) * | 2019-09-16 | 2022-02-01 | 铜陵市华创新材料有限公司 | Electrolytic copper foil integrated machine anode plate descaling agent for lithium ion battery and preparation and use methods thereof |
| CN110701486A (en) * | 2019-10-22 | 2020-01-17 | 湖北富邦科技股份有限公司 | High-concentration long-distance additive for phosphate concentrate |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |