CN104775130A - Environment-friendly efficient metal defatted powder and preparation method thereof - Google Patents

Environment-friendly efficient metal defatted powder and preparation method thereof Download PDF

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Publication number
CN104775130A
CN104775130A CN201510223261.4A CN201510223261A CN104775130A CN 104775130 A CN104775130 A CN 104775130A CN 201510223261 A CN201510223261 A CN 201510223261A CN 104775130 A CN104775130 A CN 104775130A
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spent meal
environmental
protecting
type metal
sodium
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CN201510223261.4A
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CN104775130B (en
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柯斌清
柯杰
柯宇杰
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柯斌清
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Abstract

The invention provides environment-friendly efficient metal defatted powder. The environment-friendly efficient metal defatted powder comprises, by weight, 10-60 parts of sodium carbonate, 0.8-5 parts of cocoanut fatty acid diethanolamide, 8-30 parts of normal sodium silicate, 0.5-3 parts of linear alkyl polyoxyethylene ether sodium sulfate, 0.5-20 parts of sodium gluconate, 1-5 parts of decanoic acid diethanolamine and 1-6 parts of sodium hydroxide. The environment-friendly efficient metal defatted powder has the advantages of being good in defatting effect, environmentally friendly, convenient to package, store and convey, small in conveying capacity and the like. The invention further provides a preparation method of the environment-friendly efficient metal defatted powder. The environment-friendly efficient metal defatted powder is obtained at normal temperature and normal pressure, the method is simple, the technology is reasonable, safety and reliability are achieved, and the product quality and industrial production can be ensured.

Description

A kind of environmental-protecting and high-efficient type metal spent meal and preparation method thereof
Technical field
The present invention relates to a kind of clean-out system, particularly relate to a kind of environmental-protecting and high-efficient type spent meal for metal material surface process, the invention still further relates to the preparation method of this spent meal.
Background technology
Metal works in manufacture, transport, to store and in use procedure, due to machining and the needs such as antirust, its surface scribbles grease.These greases are compositions based on mineral grease and Vegetable oil lipoprotein, and are added with various organic or inorganic additive component and form.Therefore in metal material surface process, degreasing is important technological process, and the degreasing degree of metallic surface will directly have influence on the subsequent disposal quality of workpiece.
Surface of workpiece lubricant component more complicated, a class is the saponified oil based on glycerin fatty acid ester, by removing with the saponification of alkali; Another kind of is mineral oil (non-soap carburetion), can be removed by emulsifying effect.
At present, the auxiliary agent of most water-base metal grease-removing agent, still based on phosphoric acid salt, this is because phosphoric acid salt existing sequestering action in grease-removing agent, has soil-removing action again, and has good washing and the feature such as use cost is low.But along with people's more and more attaching importance to environmental protection, the restriction of phosphoric discharge is required more and more stricter, use agent of non-phosphate degreasing to become inexorable trend.
In addition, metal degreasing agent major part is on the market liquid product at present, and active constituent content is limited, gives packaging, stores, transport adds cost.
Summary of the invention
The object of the invention is to solve prior art Problems existing, a kind of environmental-protecting and high-efficient type metal spent meal is provided, there is degreasing effect good, environmentally friendly, the features such as packaging, storage, convenient transportation and freight volume are little.
The concrete technical scheme adopted is:
A kind of environmental-protecting and high-efficient type metal spent meal, the component of described spent meal and weight thereof are: sodium carbonate 10-60 part, coconut oil diethanol amide 0.8-5 part, sodium metasilicate 8-30 part, straight-chain alkyl polyoxyethylene ether sodium sulfate 0.5-3 part, Sunmorl N 60S 0.5-20 part, capric acid diethanolamine 1-5 part, sodium hydroxide 1-6 part.
Preferably, described spent meal is also containing disodium ethylene diamine tetraacetate 0.2-0.8 part.
Preferably, in described spent meal, the weight distribution ratio of disodium ethylene diamine tetraacetate is 0.5-0.8 part.
Preferably, the weight of the component of described spent meal is: sodium carbonate 20-50 part, coconut oil diethanol amide 1-3 part, sodium metasilicate 15-25 part, straight-chain alkyl polyoxyethylene ether sodium sulfate 1.2-2 part, Sunmorl N 60S 2-18 part, capric acid diethanolamine 2-3.5 part, sodium hydroxide 2.5-4 part.
Compared with prior art, environmental-protecting and high-efficient type metal spent meal provided by the invention possesses following advantage:
1, adopt have excellent oil removing, corrosion inhibition, certain complexing action orthosilicate replace phosphoric acid salt or poly-phosphate, possess better deoiling effect and environmental protection.
2, can use at normal temperatures.
3, various metal can be common to, as carbon steel, stainless steel, titanium or titanium alloy, Copper and its alloy etc.
4, in matting, electrolytic cleaning, ultrasonic cleaning technique, Be very effective.
5, current metal degreasing agent major part is on the market liquid product, and active constituent content is limited; Described environmental-protecting and high-efficient type metal spent meal is powder-like product and active constituent content is many, and packaging, storage, convenient transportation, freight volume is little.
The present invention also provides the preparation method of this spent meal, and method is simple, rational technology, safe and reliable, comprises the steps:
A. in stirrer, add sodium carbonate 10-60 part, coconut oil diethanol amide 0.8-5 part, mix, stir;
B. described stirrer keeps whipped state, adds sodium metasilicate 8-30 part, straight-chain alkyl polyoxyethylene ether sodium sulfate 0.5-3 part, Sunmorl N 60S 0.5-20 part successively, mixes;
C. described stirrer keeps whipped state, then adds capric acid diethanolamine 1-5 part, sodium hydroxide 1-6 part, after mixing and get final product.
Preferably, in described step b, the timed interval added successively between sodium metasilicate, straight-chain alkyl polyoxyethylene ether sodium sulfate, Sunmorl N 60S is 2-8 minute.
Preferably, in described step c, the timed interval added between capric acid diethanolamine, sodium hydroxide is 2-8 minute.
Preferably, adding the churning time after Sunmorl N 60S is 2-8 minute, and adding the churning time after sodium hydroxide is 15-25 minute.
Preferably, described step a, b, c carry out all at normal temperatures and pressures.
Preferably, described stirrer is vertical double-spiral conical mixer, and the rotating speed of described stirrer is 20 ~ 60 revs/min.
Compared with prior art, the preparation method of this spent meal provided by the invention possesses following advantage:
1, make under normal temperature and pressure conditions, simple and convenient.
2, the speed of stirrer is 20-60 rev/min, can ensure that component stirs and production efficiency, and component can be avoided again to affect product performance because of excessive friction extruding.
3, simple, the rational technology of method, safe and reliable, can ensure quality product and suitability for industrialized production.
Embodiment
Below in conjunction with specific embodiments of the invention, technical scheme of the present invention is clearly and completely described.Obviously, described embodiment is only section Example of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to protection scope of the present invention.
Embodiment 1:
Following ingredients (parts by weight) is taken: 44 parts, sodium carbonate, coconut oil diethanol amide 0.25 part, sodium metasilicate 32.8 parts, 1 part, straight-chain alkyl polyoxyethylene ether sodium sulfate, Sunmorl N 60S 15 parts, disodium ethylene diamine tetraacetate 0.7 part, 3.8 parts, sodium hydroxide, capric acid diethanolamine 2.5 parts by following proportioning.
Preparation method: first 44 parts, sodium carbonate is added in mixing and blending machine, then add coconut oil diethanol amide 0.25 part; At normal temperatures and pressures, open stirrer switch, adjusting rotary speed to 36 rev/min, keep whipped state.Then add sodium metasilicate 32.8 parts, stir 5 minutes; Add 1 part, straight-chain alkyl polyoxyethylene ether sodium sulfate, stir 5 minutes; Add Sunmorl N 60S 15 parts, stir 5 minutes; Then, add disodium ethylene diamine tetraacetate 0.7 part, then add capric acid diethanolamine 2.5 parts, 3.8 parts, sodium hydroxide, continue stirring 20 minutes, fully mix, obtain powder-like product.
Embodiment 2-6, the rotating speed of each amounts of components and stirrer is as following table, and all the other operations are with embodiment 1:
Spent meal provided by the invention after testing and application, major technique and performance index as follows:
(1) the key technical indexes:
1, outward appearance: white or faint yellow homogeneous solid
2, p H value (3% aqueous solution g/L): 12.5-13.5
3, alkali point (3% aqueous solution g/L): >=16
4, phosphorus content is (with PO 4 2+meter, %) :≤0.0005%
5, nitrogen content is (with NH 4 +meter, %) :≤0.0002%
6, biological degradation (lower 21 days of natural condition): >=95%
(2) main performance index:
1, tank liquor concentration (g/L): 5-30
2, treatment temp (DEG C): can use at normal temperatures, optimum temps is 60-80 DEG C.
3, treatment time (s): 8-30s can wash the greasy dirt of surface of steel plate.
4, washing rate (%): >=95%
5, cleaning way: be applicable to various cleaning way, as spray, dipping, ultrasonic cleaning etc.
The foregoing is only several embodiment of the present invention; but protection scope of the present invention is not limited thereto; the those of ordinary skill of any skilled is in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.

Claims (10)

1. an environmental-protecting and high-efficient type metal spent meal, it is characterized in that, the component of described spent meal and weight thereof are: sodium carbonate 10-60 part, coconut oil diethanol amide 0.8-5 part, sodium metasilicate 8-30 part, straight-chain alkyl polyoxyethylene ether sodium sulfate 0.5-3 part, Sunmorl N 60S 0.5-20 part, capric acid diethanolamine 1-5 part, sodium hydroxide 1-6 part.
2. a kind of environmental-protecting and high-efficient type metal spent meal according to claim 1, is characterized in that, described spent meal is also containing disodium ethylene diamine tetraacetate 0.2-0.8 part.
3. a kind of environmental-protecting and high-efficient type metal spent meal according to claim 2, is characterized in that, in described spent meal, the weight of disodium ethylene diamine tetraacetate is 0.5-0.8 part.
4. a kind of environmental-protecting and high-efficient type metal spent meal according to any one of claim 1-3, it is characterized in that, the weight of the component of described spent meal is: sodium carbonate 20-50 part, coconut oil diethanol amide 1-3 part, sodium metasilicate 15-25 part, straight-chain alkyl polyoxyethylene ether sodium sulfate 1.2-2 part, Sunmorl N 60S 2-18 part, capric acid diethanolamine 2-3.5 part, sodium hydroxide 2.5-4 part.
5. the preparation method of a kind of environmental-protecting and high-efficient type metal spent meal according to claim 1, is characterized in that, comprise the steps:
A. in stirrer, add sodium carbonate 10-60 part, coconut oil diethanol amide 0.8-5 part, mix, stir;
B. described stirrer keeps whipped state, adds sodium metasilicate 8-30 part, straight-chain alkyl polyoxyethylene ether sodium sulfate 0.5-3 part, Sunmorl N 60S 0.5-20 part successively, mixes;
C. described stirrer keeps whipped state, then adds capric acid diethanolamine 1-5 part, sodium hydroxide 1-6 part, after mixing and get final product.
6. the preparation method of a kind of environmental-protecting and high-efficient type metal spent meal according to claim 5, is characterized in that, in described step b, the timed interval added successively between sodium metasilicate, straight-chain alkyl polyoxyethylene ether sodium sulfate, Sunmorl N 60S is 2-8 minute.
7. the preparation method of a kind of environmental-protecting and high-efficient type metal spent meal according to claim 5, is characterized in that, in described step c, the timed interval added between capric acid diethanolamine, sodium hydroxide is 2-8 minute.
8. the preparation method of a kind of environmental-protecting and high-efficient type metal spent meal according to any one of claim 5-7, is characterized in that, adding the churning time after Sunmorl N 60S is 2-8 minute, and adding the churning time after sodium hydroxide is 15-25 minute.
9. the preparation method of a kind of environmental-protecting and high-efficient type metal spent meal according to claim 5, it is characterized in that, described step a, b, c carry out all at normal temperatures and pressures.
10. the preparation method of a kind of environment-friendly metal spent meal according to claim 5, is characterized in that, described stirrer is vertical double-spiral conical mixer, and the rotating speed of described stirrer is 20 ~ 60 revs/min.
CN201510223261.4A 2015-05-05 2015-05-05 A kind of environment-friendly metal skimmed milk and preparation method thereof Expired - Fee Related CN104775130B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106479695A (en) * 2016-09-22 2017-03-08 长兴净安环保科技有限公司 A kind of efficient rustless steel cleansing cream and preparation method thereof
CN109401419A (en) * 2017-08-18 2019-03-01 昌宏精密刀具(东莞)有限公司 A kind of environment-friendly type depainting powder and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5096958A (en) * 1989-08-11 1992-03-17 Nippon Paint Co., Ltd. Hydrophilic surface treatment chemicals, hydrophilic surface treatment bath, and hydrophilic surface treatment method
CN101092727A (en) * 2007-04-11 2007-12-26 姜堰市德美化工有限公司 Chemic spent meal in use for processing surfaces of ferrous metal, and preparation method
CN101202157A (en) * 2007-10-31 2008-06-18 天津市特变电工变压器有限公司 Flexible addition type transformer
CN101381876A (en) * 2008-10-15 2009-03-11 江苏德美科技有限公司 Non-phosphate non-nitrogen easy-to- biodegrade metal spent meal and preparing method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5096958A (en) * 1989-08-11 1992-03-17 Nippon Paint Co., Ltd. Hydrophilic surface treatment chemicals, hydrophilic surface treatment bath, and hydrophilic surface treatment method
CN101092727A (en) * 2007-04-11 2007-12-26 姜堰市德美化工有限公司 Chemic spent meal in use for processing surfaces of ferrous metal, and preparation method
CN101202157A (en) * 2007-10-31 2008-06-18 天津市特变电工变压器有限公司 Flexible addition type transformer
CN101381876A (en) * 2008-10-15 2009-03-11 江苏德美科技有限公司 Non-phosphate non-nitrogen easy-to- biodegrade metal spent meal and preparing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106479695A (en) * 2016-09-22 2017-03-08 长兴净安环保科技有限公司 A kind of efficient rustless steel cleansing cream and preparation method thereof
CN109401419A (en) * 2017-08-18 2019-03-01 昌宏精密刀具(东莞)有限公司 A kind of environment-friendly type depainting powder and preparation method thereof

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