CN110791762A - Diesel locomotive cooling water anticorrosive additive and preparation method thereof - Google Patents
Diesel locomotive cooling water anticorrosive additive and preparation method thereof Download PDFInfo
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- CN110791762A CN110791762A CN201911099771.XA CN201911099771A CN110791762A CN 110791762 A CN110791762 A CN 110791762A CN 201911099771 A CN201911099771 A CN 201911099771A CN 110791762 A CN110791762 A CN 110791762A
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
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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
- C09K5/20—Antifreeze additives therefor, e.g. for radiator liquids
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- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention provides an anticorrosive additive for cooling water of an internal combustion locomotive, which comprises the following raw materials in percentage by weight: 5-10 parts of benzotriazole; 5-10 parts of methylbenzotriazole; 15-20 parts of sodium benzoate; 10-20 parts of isooctanoic acid; 5-10 parts of sebacic acid; 5-10 parts of heptanoic acid; 1-5 parts of methyl tert-butyl ether; 1-5 parts of diethylene glycol monomethyl ether; 1-5 parts of p-hydroxyanisole; 1-5 parts of glycerol; 1-5 parts of a bactericide; 200 parts of deionized water. The anti-corrosion additive has good corrosion, cavitation and scaling properties, can prolong the service life of the diesel locomotive, does not contain heavy metal, is nontoxic and environment-friendly, is beneficial to environmental development, and is simple and convenient to prepare.
Description
Technical Field
The invention belongs to the field of cooling water anticorrosive additives, and particularly relates to an internal combustion locomotive cooling water anticorrosive additive and a preparation method thereof.
Background
The internal combustion engine is the heart of the internal combustion locomotive, provides power for the safe operation of the locomotive and plays a decisive role in the performance of the locomotive. Particularly, under the driving force of the rapid development of the light weight technology of the diesel locomotive, the requirement of the modern diesel locomotive industry for the internal combustion engine is higher and higher, thereby causing the problem facing the maintenance of the internal combustion engine to be more and more serious.
The cooling system, which is an important auxiliary system for maintaining the normal operation of the internal combustion engine, is an indispensable part of the internal combustion engine. The development direction of modern internal combustion engines tends to be more compact and have higher specific power, so that the work strengthening degree of the internal combustion engine is higher, more heat is generated when the internal combustion engine runs fast, the heat flux density is higher, and higher requirements are provided for the working efficiency of a cooling system.
The cooling system of the internal combustion engine ensures that a combustion chamber component, a lubricating system, an air intake and exhaust system and the like of the internal combustion engine run normally and reliably, the cooling system generally comprises a water pump, cooling liquid, a radiator, a pipeline, a temperature regulator, a machine body, a cylinder sleeve water cavity, a cylinder cover water channel, an air intake and exhaust cooling water cavity and the like, and common faults comprise corrosion, cavitation corrosion, scaling, cracks and other faults of parts. With the improvement of the high load of the modern internal combustion engine, the cavitation corrosion of the cooling system becomes an important factor for restricting the repair period, and a plurality of researches and practical uses show that the cooling liquid with excellent performance can effectively inhibit the corrosion, cavitation corrosion and scaling of the cooling system.
Disclosure of Invention
In view of the above, the invention aims to provide the diesel locomotive cooling water anticorrosive additive and the preparation method thereof, and the prepared anticorrosive additive has the advantages of no heavy metal, no toxicity, environmental protection, good anticorrosive performance and the like, can not corrode the internal combustion engine in the continuous running process of the diesel locomotive, and can ensure the safe running of the internal combustion engine in the whole territory.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
an anti-corrosion additive for cooling water of an internal combustion locomotive comprises the following raw materials in percentage by weight: 5-10 parts of benzotriazole; 5-10 parts of methylbenzotriazole; 15-20 parts of sodium benzoate; 10-20 parts of isooctanoic acid; 5-10 parts of sebacic acid; 5-10 parts of heptanoic acid; 1-5 parts of methyl tert-butyl ether; 1-5 parts of diethylene glycol monomethyl ether; 1-5 parts of p-hydroxyanisole; 1-5 parts of glycerol; 1-5 parts of a bactericide; 200 parts of deionized water.
Further, the material composition comprises the following raw materials in percentage by weight: 7-10 parts of benzotriazole; 6-10 parts of methylbenzotriazole; 15-18 parts of sodium benzoate; 12-18 parts of isooctanoic acid; 7-10 parts of sebacic acid; 7-10 parts of heptanoic acid; 1-3 parts of methyl tert-butyl ether; 3-5 parts of diethylene glycol monomethyl ether; 1-3 parts of p-hydroxyanisole; 1-3 parts of glycerol; 2-5 parts of a bactericide; 200 parts of deionized water.
Further, the material composition comprises the following raw materials in percentage by weight: 7-10 parts of benzotriazole; 6-9 parts of methylbenzotriazole; 15-17 parts of sodium benzoate; 12-17 parts of isooctanoic acid; 7-9 parts of sebacic acid; 7-9 parts of heptanoic acid; 1-3 parts of methyl tert-butyl ether; 3-5 parts of diethylene glycol monomethyl ether; 1-3 parts of p-hydroxyanisole; 1-3 parts of glycerol; 2-5 parts of a bactericide; 200 parts of deionized water.
The invention also provides a method for preparing the diesel locomotive cooling water anticorrosive additive, which comprises the following steps:
the first step is as follows: feeding the materials, namely feeding the materials,
adding deionized water into the production kettle A as a dissolving solution;
the second step is that: the reaction is carried out in the presence of a catalyst,
adding benzotriazole and methyl benzotriazole, stirring to melt, adding a mixed solution of sodium benzoate and sebacic acid into a production kettle A, stirring for 10min to fully mix, adding isooctanoic acid into the reaction kettle A, and stirring and mixing;
adding the rest deionized water into a reaction kettle B as a reaction solution, heating the reaction kettle B to 50 ℃, adding methyl tert-butyl ether, diethylene glycol methyl ether and p-hydroxyanisole into the reaction kettle B, fully stirring and mixing, adding into a reaction kettle A, stirring and mixing for 5min, adding heptanoic acid, glycerol and a bactericide into the reaction kettle A, and gently stirring for 10 min;
the third step: the mixture is filtered and then is filtered,
the diesel locomotive cooling water anticorrosive additive is obtained by using the mixed liquid filtered by the 20-micron filter bag.
Compared with the prior art, the diesel locomotive cooling water anticorrosion additive and the preparation method thereof have the following advantages:
the anti-corrosion additive for the cooling water of the diesel locomotive and the preparation method thereof have good corrosion, cavitation corrosion and scaling properties, can prolong the service life of the diesel locomotive, do not contain heavy metals, are nontoxic and environment-friendly, are beneficial to environmental development, and are simple and convenient to prepare.
Detailed Description
Unless defined otherwise, technical terms used in the following examples have the same meanings as commonly understood by one of ordinary skill in the art to which the present invention belongs. The test reagents used in the following examples, unless otherwise specified, are all conventional biochemical reagents; the experimental methods are conventional methods unless otherwise specified.
The present invention will be described in detail with reference to examples.
Example 1
A method for preparing an anti-corrosion additive for cooling water of an internal combustion locomotive comprises the following steps:
the first step is as follows: feeding the materials, namely feeding the materials,
adding 100 parts of deionized water into the production kettle A as a dissolving solution;
the second step is that: the reaction is carried out in the presence of a catalyst,
adding 7 parts of benzotriazole and 6 parts of methylbenzotriazole, stirring until the materials are molten, adding a mixed solution of 16 parts of sodium benzoate and 7 parts of sebacic acid into a production kettle A, stirring for 10min until the materials are fully mixed, and adding 12 parts of isooctanoic acid into the reaction kettle A, stirring and mixing;
adding the rest 100 parts of deionized water into a reaction kettle B as a reaction solution, heating the reaction kettle B to 50 ℃, adding 1 part of methyl tert-butyl ether, 3 parts of diethylene glycol methyl ether and 1 part of p-hydroxyanisole into the reaction kettle B, fully stirring and mixing, adding into a reaction kettle A, stirring and mixing for 5min, adding 7 parts of heptanoic acid, 1 part of glycerol and 2 parts of bactericide into the reaction kettle A, and gently stirring for 10 min;
the third step: the mixture is filtered and then is filtered,
the diesel locomotive cooling water anticorrosive additive is obtained by using the mixed liquid filtered by the 20-micron filter bag.
Example 2
A method for preparing an anti-corrosion additive for cooling water of an internal combustion locomotive comprises the following steps:
the first step is as follows: feeding the materials, namely feeding the materials,
adding 100 parts of deionized water into the production kettle A as a dissolving solution;
the second step is that: the reaction is carried out in the presence of a catalyst,
adding 8 parts of benzotriazole and 7 parts of methylbenzotriazole, stirring until the benzotriazole and the methylbenzotriazole are melted, adding a mixed solution of 16 parts of sodium benzoate and 8 parts of sebacic acid into a production kettle A, stirring for 10min until the sodium benzoate and the sebacic acid are fully mixed, and adding 13 parts of isooctanoic acid into a reaction kettle A, stirring and mixing;
adding the rest 100 parts of deionized water into a reaction kettle B as a reaction solution, heating the reaction kettle B to 50 ℃, adding 2 parts of methyl tert-butyl ether, 4 parts of diethylene glycol methyl ether and 2 parts of p-hydroxyanisole into the reaction kettle B, fully stirring and mixing, adding into a reaction kettle A, stirring and mixing for 5min, adding 8 parts of heptanoic acid, 2 parts of glycerol and 3 parts of bactericide into the reaction kettle A, and gently stirring for 10 min;
the third step: the mixture is filtered and then is filtered,
the diesel locomotive cooling water anticorrosive additive is obtained by using the mixed liquid filtered by the 20-micron filter bag.
Example 3
A method for preparing an anti-corrosion additive for cooling water of an internal combustion locomotive comprises the following steps:
the first step is as follows: feeding the materials, namely feeding the materials,
adding 100 parts of deionized water into the production kettle A as a dissolving solution;
the second step is that: the reaction is carried out in the presence of a catalyst,
adding 8 parts of benzotriazole and 7 parts of methylbenzotriazole, stirring until the benzotriazole and the methylbenzotriazole are melted, adding a mixed solution of 16 parts of sodium benzoate and 8 parts of sebacic acid into a production kettle A, stirring for 10min until the sodium benzoate and the sebacic acid are fully mixed, and adding 14 parts of isooctanoic acid into a reaction kettle A, stirring and mixing;
adding the rest 100 parts of deionized water into a reaction kettle B as a reaction solution, heating the reaction kettle B to 50 ℃, adding 1 part of methyl tert-butyl ether, 3 parts of diethylene glycol methyl ether and 1 part of p-hydroxyanisole into the reaction kettle B, fully stirring and mixing, adding into a reaction kettle A, stirring and mixing for 5min, adding 8 parts of heptanoic acid, 2 parts of glycerol and 3 parts of bactericide into the reaction kettle A, and gently stirring for 10 min;
the third step: the mixture is filtered and then is filtered,
the diesel locomotive cooling water anticorrosive additive is obtained by using the mixed liquid filtered by the 20-micron filter bag.
Example 4
A method for preparing an anti-corrosion additive for cooling water of an internal combustion locomotive comprises the following steps:
the first step is as follows: feeding the materials, namely feeding the materials,
adding 100 parts of deionized water into the production kettle A as a dissolving solution;
the second step is that: the reaction is carried out in the presence of a catalyst,
adding 10 parts of benzotriazole and 9 parts of methylbenzotriazole, stirring until the benzotriazole and the methylbenzotriazole are melted, adding a mixed solution of 17 parts of sodium benzoate and 9 parts of sebacic acid into a production kettle A, stirring for 10min until the sodium benzoate and the sebacic acid are fully mixed, and adding 17 parts of isooctanoic acid into a reaction kettle A, stirring and mixing;
adding the rest 100 parts of deionized water into a reaction kettle B as a reaction solution, heating the reaction kettle B to 50 ℃, adding 3 parts of methyl tert-butyl ether, 5 parts of diethylene glycol methyl ether and 3 parts of p-hydroxyanisole into the reaction kettle B, fully stirring and mixing, adding into a reaction kettle A, stirring and mixing for 5min, adding 9 parts of heptanoic acid, 3 parts of glycerol and 5 parts of bactericide into the reaction kettle A, and gently stirring for 10 min;
the third step: the mixture is filtered and then is filtered,
the diesel locomotive cooling water anticorrosive additive is obtained by using the mixed liquid filtered by the 20-micron filter bag.
The results of the experiment on the metal corrosion rate of the internal combustion engine cooling water anticorrosion additive configured according to the four groups of embodiments are as follows:
| case number | Red copper (mg) | Brass (mg) | Solder (mg) | Steel sheet (mg) | Cast aluminium (mg) | Cast iron (mg) |
| Example 1 | 0 | 0 | -3 | 2 | 2 | -1 |
| Example 2 | 0 | 1 | -2 | 1 | 3 | -1 |
| Example 3 | 0 | 1 | -2 | 1 | 2 | -2 |
| Example 4 | 0 | 0 | -2 | 1 | 2 | -1 |
The experimental data are real and effective.
The metal corrosion rate is an experiment capable of truly reflecting the corrosion condition of the internal material of the diesel locomotive. The data can truly reflect the corrosion condition of the diesel locomotive, and the approximate period of replacing parts can be deduced through the data and the actual condition, so that the safe running of the locomotive can be ensured. The data from each set of examples shows that the formulation meets the standards for corrosion inhibiting additives for diesel locomotives, and the amount of corrosion is much lower than the standard requirements for corrosion inhibiting additives for diesel locomotives. Therefore, the additive for preventing corrosion of the cooling water of the diesel locomotive and the preparation method thereof are considered to be effective.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. An anti-corrosion additive for cooling water of an internal combustion locomotive is characterized in that: the composite material consists of the following raw materials in percentage by weight: 5-10 parts of benzotriazole; 5-10 parts of methylbenzotriazole; 15-20 parts of sodium benzoate; 10-20 parts of isooctanoic acid; 5-10 parts of sebacic acid; 5-10 parts of heptanoic acid; 1-5 parts of methyl tert-butyl ether; 1-5 parts of diethylene glycol monomethyl ether; 1-5 parts of p-hydroxyanisole; 1-5 parts of glycerol; 1-5 parts of a bactericide; 200 parts of deionized water.
2. The diesel locomotive cooling water anti-corrosion additive of claim 1, wherein: the composite material consists of the following raw materials in percentage by weight: 7-10 parts of benzotriazole; 6-10 parts of methylbenzotriazole; 15-18 parts of sodium benzoate; 12-18 parts of isooctanoic acid; 7-10 parts of sebacic acid; 7-10 parts of heptanoic acid; 1-3 parts of methyl tert-butyl ether; 3-5 parts of diethylene glycol monomethyl ether; 1-3 parts of p-hydroxyanisole; 1-3 parts of glycerol; 2-5 parts of a bactericide; 200 parts of deionized water.
3. The diesel locomotive cooling water anti-corrosion additive of claim 1, wherein: the composite material consists of the following raw materials in percentage by weight: 7-0 part of benzotriazole; 6-9 parts of methylbenzotriazole; 15-17 parts of sodium benzoate; 12-17 parts of isooctanoic acid; 7-9 parts of sebacic acid; 7-9 parts of heptanoic acid; 1-3 parts of methyl tert-butyl ether; 3-5 parts of diethylene glycol monomethyl ether; 1-3 parts of p-hydroxyanisole; 1-3 parts of glycerol; 2-5 parts of a bactericide; 200 parts of deionized water.
4. A method for preparing the diesel locomotive cooling water anti-corrosive additive according to any one of claims 1 to 3, which is characterized in that: the method comprises the following steps:
the first step is as follows: feeding the materials, namely feeding the materials,
adding deionized water into the production kettle A as a dissolving solution;
the second step is that: the reaction is carried out in the presence of a catalyst,
adding benzotriazole and methyl benzotriazole, stirring to melt, adding a mixed solution of sodium benzoate and sebacic acid into a production kettle A, stirring for 10min to fully mix, adding isooctanoic acid into the reaction kettle A, and stirring and mixing;
adding the rest deionized water into a reaction kettle B as a reaction solution, heating the reaction kettle B to 50 ℃, adding methyl tert-butyl ether, diethylene glycol methyl ether and p-hydroxyanisole into the reaction kettle B, fully stirring and mixing, adding into a reaction kettle A, stirring and mixing for 5min, adding heptanoic acid, glycerol and a bactericide into the reaction kettle A, and gently stirring for 10 min;
the third step: the mixture is filtered and then is filtered,
the diesel locomotive cooling water anticorrosive additive is obtained by using the mixed liquid filtered by the 20-micron filter bag.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911099771.XA CN110791762A (en) | 2019-11-12 | 2019-11-12 | Diesel locomotive cooling water anticorrosive additive and preparation method thereof |
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| CN201911099771.XA CN110791762A (en) | 2019-11-12 | 2019-11-12 | Diesel locomotive cooling water anticorrosive additive and preparation method thereof |
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| CN101948676A (en) * | 2010-08-30 | 2011-01-19 | 蓝星环境工程有限公司 | High reserve alkalinity engine cooling liquid |
| CN105602533A (en) * | 2015-12-17 | 2016-05-25 | 长春德联化工有限公司 | Good corrosion inhibition engine liquid coolant and preparation method thereof |
| CN106010471A (en) * | 2016-06-07 | 2016-10-12 | 深圳千跑龙能源科技有限公司 | Nanometer cooling water additive and preparation method thereof |
| CN107011953A (en) * | 2017-04-14 | 2017-08-04 | 北京天下通衢技术股份有限公司 | Multi-function gasoline additives and preparation method thereof and the fuel combination containing the multi-function gasoline additives |
| CN108441176A (en) * | 2018-04-03 | 2018-08-24 | 安徽职业技术学院 | A kind of anhydrous freezing liquid of internal combustion engine |
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2019
- 2019-11-12 CN CN201911099771.XA patent/CN110791762A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002090460A1 (en) * | 2001-05-08 | 2002-11-14 | Ashland Inc. | Monocarboxylic acid based antifreeze composition |
| CN101948676A (en) * | 2010-08-30 | 2011-01-19 | 蓝星环境工程有限公司 | High reserve alkalinity engine cooling liquid |
| CN105602533A (en) * | 2015-12-17 | 2016-05-25 | 长春德联化工有限公司 | Good corrosion inhibition engine liquid coolant and preparation method thereof |
| CN106010471A (en) * | 2016-06-07 | 2016-10-12 | 深圳千跑龙能源科技有限公司 | Nanometer cooling water additive and preparation method thereof |
| CN107011953A (en) * | 2017-04-14 | 2017-08-04 | 北京天下通衢技术股份有限公司 | Multi-function gasoline additives and preparation method thereof and the fuel combination containing the multi-function gasoline additives |
| CN108441176A (en) * | 2018-04-03 | 2018-08-24 | 安徽职业技术学院 | A kind of anhydrous freezing liquid of internal combustion engine |
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