CN104388057A - Low-cost anti-corrosion secondary refrigerant and preparation method thereof - Google Patents
Low-cost anti-corrosion secondary refrigerant and preparation method thereof Download PDFInfo
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- CN104388057A CN104388057A CN201410524189.4A CN201410524189A CN104388057A CN 104388057 A CN104388057 A CN 104388057A CN 201410524189 A CN201410524189 A CN 201410524189A CN 104388057 A CN104388057 A CN 104388057A
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- Prior art keywords
- secondary refrigerant
- low cost
- protection against
- against corrosion
- thickening material
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/10—Liquid materials
Abstract
The invention relates to the field of secondary refrigerants and discloses a low-cost anti-corrosion secondary refrigerant and a preparation method thereof. The low-cost anti-corrosion secondary refrigerant comprises, by weight, 23-28% of methanol, 3.5-5% of sodium benzoate, 0.5-1.5% of trisodium phosphate, 0.15-0.5% of a thickening agent and the balance water. Compared with the existing secondary refrigerant, the low-cost anti-corrosion secondary refrigerant utilizes low-cost and easily-acquired raw materials, can be prepared by the simple preparation method, can effectively prevent equipment corrosion and freezing and is suitable for popularization application.
Description
Technical field
The present invention relates to secondary refrigerant field, particularly a kind of low cost protection against corrosion secondary refrigerant and preparation method thereof.
Background technology
The secondary refrigerant used in prior art is generally salt solution, alcohol, ethylene glycol, propylene glycol or glycerol etc., these secondary refrigerants of long-time use can cause serious corrosion to equipment, also investigator is had to make the secondary refrigerant that effectively can prevent equipment corrosion at present, but raw material expensive, make secondary refrigerant cost higher, be unsuitable for promoting.
Summary of the invention
Goal of the invention: for problems of the prior art, the invention provides a kind of low cost protection against corrosion secondary refrigerant and preparation method thereof, the raw materials of secondary refrigerant is with low cost, and the secondary refrigerant prepared can efficiently prevent equipment to be corroded and freeze.
Technical scheme: the invention provides a kind of low cost protection against corrosion secondary refrigerant, be made up of: methyl alcohol 23% ~ 28%, Sodium Benzoate 3.5% ~ 5%, tertiary sodium phosphate 0.5% ~ 1.5%, thickening material 0.15% ~ 0.5% component of following weight percent, surplus is water.
Present invention also offers the preparation method of above-mentioned secondary refrigerant, comprise following steps: S1: described tertiary sodium phosphate is added to the water and dissolves formation trisodium phosphate solution; S2: add described thickening material and stir in described trisodium phosphate solution; S3: add described methyl alcohol and stir in the mixing solutions in S2; S4: add described Sodium Benzoate and stir and obtain described secondary refrigerant in the mixing solutions in S3.
Preferably, described secondary refrigerant is made up of the component of following weight percent: methyl alcohol 26%, Sodium Benzoate 4%, tertiary sodium phosphate 1%, thickening material 0.1%, and surplus is water.
Preferably, the pH value of described secondary refrigerant is 8 ~ 10, preferably 9.
Preferably, described Sodium Benzoate is the Sodium Benzoate of food grade; Described tertiary sodium phosphate is the tertiary sodium phosphate of food grade.
Preferably, described thickening material is antifreeze thickening material, the antifreeze thickening material of preferred environment-friendly highly efficient.
Beneficial effect: the secondary refrigerant raw material in the present invention is methyl alcohol, Sodium Benzoate, tertiary sodium phosphate, thickening material and water, these raw materials cost are all cheaper, easily buy, preparation method is easy, and methyl alcohol and thickening material are used for anti-freeze, Sodium Benzoate is used for protection against corrosion, and tertiary sodium phosphate is used for rust protection, the secondary refrigerant using above-mentioned four kinds of raw materials to prepare can effectively prevent equipment to be corroded and freeze, and is suitable for applying.
Embodiment
Below the present invention is described in detail.
Embodiment 1:
Low cost protection against corrosion secondary refrigerant in the following embodiment of the present invention is all prepared by following steps:
First water is put into container, then put into after food grade sodium sesquicarbonate is stirred to all dissolvings and add antifreeze thickening material, add methyl alcohol after stirring again to stir, in above-mentioned mixing solutions, then add food grade Sodium Benzoate to stir the secondary refrigerant namely obtained in the present invention.
Use the secondary refrigerant pH value for preparing of present embodiment between 8 ~ 10, preferably 9, in weakly alkaline, make this secondary refrigerant more effectively to prevent equipment to be corroded.
Food service industry can be applied to make this secondary refrigerant, Sodium Benzoate in present embodiment and tertiary sodium phosphate all select food grade, in addition, in order to environmental protection and prevent equipment frozen, also containing methyl alcohol and thickening material in the raw material of this secondary refrigerant, the antifreeze thickening material of environment-friendly highly efficient selected by this thickening material.
Embodiment 2:
Secondary refrigerant in present embodiment is made up of the component of following weight percent: methyl alcohol 26%, the Sodium Benzoate 4% of food grade, the tertiary sodium phosphate 1% of food grade, the antifreeze thickening material 0.2% of environment-friendly highly efficient, and surplus is water, and the pH value of this secondary refrigerant is 9.In order to compare with the performance of ordinary brine solution, present inventor has done one group of simultaneous test, if table 1 is the test-results using this secondary refrigerant and ordinary brine solution (tap water, salt solution and alcohol) to soak all equal iron plate of shape, size and quality, copper sheet and aluminium flake respectively.
Table 1
As can be seen from Table 1, by known to test film check weighing every 10 days in one month, use the corrodibility of this secondary refrigerant to metallic iron, copper and aluminium minimum, after the immersion of month, the quality of test film does not almost become, and this secondary refrigerant solution water white transparency, test film surface also non-corroding; And in simultaneous test group, using tap water, 20% salt solution and 30% after alcohol-pickled one month, the quality of test film all has reduction in various degree, and three's solution all becomes muddy, and there is rust staining on test film surface more than 90%.
Embodiment 3:
Secondary refrigerant in present embodiment is made up of the component of following weight percent: methyl alcohol 23%, the Sodium Benzoate 3.5% of food grade, the tertiary sodium phosphate 0.5% of food grade, the antifreeze thickening material 0.15% of environment-friendly highly efficient, and surplus is water, and the pH value of this secondary refrigerant is 8.
Use the secondary refrigerant in present embodiment also can reach the effect substantially identical with secondary refrigerant in embodiment 2, repeat no more herein.
Embodiment 4:
Secondary refrigerant in present embodiment is made up of the component of following weight percent: methyl alcohol 28%, the Sodium Benzoate 5% of food grade, the tertiary sodium phosphate 1.5% of food grade, the antifreeze thickening material 0.5% of environment-friendly highly efficient, and surplus is water, and the pH value of this secondary refrigerant is 10.
Use the secondary refrigerant in present embodiment also can reach the effect substantially identical with secondary refrigerant in embodiment 2, repeat no more herein.
Above-mentioned embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalent transformations of doing according to spirit of the present invention or modification, all should be encompassed within protection scope of the present invention.
Claims (8)
1. a low cost protection against corrosion secondary refrigerant, is characterized in that, is made up of the component of following weight percent: methyl alcohol 23% ~ 28%, Sodium Benzoate 3.5% ~ 5%, tertiary sodium phosphate 0.5% ~ 1.5%, thickening material 0.15% ~ 0.5%, and surplus is water.
2. low cost protection against corrosion secondary refrigerant according to claim 1, is characterized in that, be made up of the component of following weight percent: methyl alcohol 26%, Sodium Benzoate 4%, tertiary sodium phosphate 1%, thickening material 0.2%, and surplus is water.
3. low cost protection against corrosion secondary refrigerant according to claim 1 and 2, is characterized in that, the pH value of described secondary refrigerant is 8 ~ 10.
4. low cost protection against corrosion secondary refrigerant according to claim 1 and 2, is characterized in that, the pH value of described secondary refrigerant is 9.
5. the low cost protection against corrosion secondary refrigerant according to any one of Claims 1 to 4, is characterized in that, described Sodium Benzoate is the Sodium Benzoate of food grade.
6. the low cost protection against corrosion secondary refrigerant according to any one of Claims 1 to 4, is characterized in that, described tertiary sodium phosphate is the tertiary sodium phosphate of food grade.
7. the low cost protection against corrosion secondary refrigerant according to any one of Claims 1 to 4, is characterized in that, described thickening material is antifreeze thickening material.
8. low cost protection against corrosion secondary refrigerant according to claim 1, it is characterized in that, the preparation method of this secondary refrigerant comprises following steps:
S1: described tertiary sodium phosphate is added to the water and dissolves formation trisodium phosphate solution;
S2: add described thickening material and stir in described trisodium phosphate solution;
S3: add described methyl alcohol and stir in the mixing solutions in S2:
S4: add described Sodium Benzoate and stir and obtain described secondary refrigerant in the mixing solutions in S3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410524189.4A CN104388057A (en) | 2014-09-18 | 2014-09-18 | Low-cost anti-corrosion secondary refrigerant and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410524189.4A CN104388057A (en) | 2014-09-18 | 2014-09-18 | Low-cost anti-corrosion secondary refrigerant and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104388057A true CN104388057A (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410524189.4A Pending CN104388057A (en) | 2014-09-18 | 2014-09-18 | Low-cost anti-corrosion secondary refrigerant and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108795391A (en) * | 2018-06-04 | 2018-11-13 | 北京中冷高科制冷设备有限公司 | A kind of cold storage refrigerating system refrigerating medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101024762A (en) * | 2006-02-23 | 2007-08-29 | 白松泉 | Industrial corrosion-preventive scale-resisting heat-conductive medium |
| CN101717619A (en) * | 2009-11-13 | 2010-06-02 | 广州大学 | Industrial low-temperature heat exchange secondary refrigerant |
| CN102876298A (en) * | 2012-10-23 | 2013-01-16 | 中国科学院青海盐湖研究所 | Method for preparing phase change energy storage material in MgCl2*6H2O-CaCl2*6H2O system |
-
2014
- 2014-09-18 CN CN201410524189.4A patent/CN104388057A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101024762A (en) * | 2006-02-23 | 2007-08-29 | 白松泉 | Industrial corrosion-preventive scale-resisting heat-conductive medium |
| CN101717619A (en) * | 2009-11-13 | 2010-06-02 | 广州大学 | Industrial low-temperature heat exchange secondary refrigerant |
| CN102876298A (en) * | 2012-10-23 | 2013-01-16 | 中国科学院青海盐湖研究所 | Method for preparing phase change energy storage material in MgCl2*6H2O-CaCl2*6H2O system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108795391A (en) * | 2018-06-04 | 2018-11-13 | 北京中冷高科制冷设备有限公司 | A kind of cold storage refrigerating system refrigerating medium |
| CN108795391B (en) * | 2018-06-04 | 2020-07-28 | 北京中冷高科制冷设备有限公司 | Secondary refrigerant for refrigeration house refrigerating system |
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| ASS | Succession or assignment of patent right |
Owner name: SUZHOU INDUSTRIAL PARK XUEXIAO CHEMICAL CO., LTD. Free format text: FORMER OWNER: LIU SHENGMING Effective date: 20150817 |
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Effective date of registration: 20150817 Address after: 215000, room 03, building 388, 106 Jinling West Road, Suzhou Industrial Park, Suzhou, Jiangsu Applicant after: Suzhou Industrial Park snow Chemical Co., Ltd. Address before: Fujian province Bailian Sanming City Jiangle County town of Tong Ling Village Tieling No. 7 Applicant before: Liu Shengming |
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Application publication date: 20150304 |