CN112391635A - Preparation method of detergent solution for cleaning metal plate - Google Patents
Preparation method of detergent solution for cleaning metal plate Download PDFInfo
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- CN112391635A CN112391635A CN202011040608.9A CN202011040608A CN112391635A CN 112391635 A CN112391635 A CN 112391635A CN 202011040608 A CN202011040608 A CN 202011040608A CN 112391635 A CN112391635 A CN 112391635A
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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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
Abstract
The invention discloses a preparation method of a detergent solution for cleaning a metal plate, which comprises the following steps: a. measuring the working water level capacity of the working tank, and setting the concentration of the descaling agent solution; b. adding 10us of pure water or 400us of tap water to 3/4 of the working water level of the working tank, then adding the metered concentrated solution of the oxide film, uniformly stirring, and finally adding the corresponding pure water or tap water to the working water level of the working tank to prepare a scale remover solution; c. measuring whether the pH value of the detergent solution is in a normal range or not, measuring the temperature, and adjusting the temperature to be in a working temperature range of 18-38 ℃ in the working tank. Through the mode, the preparation method of the detergent solution for cleaning the metal plate, provided by the invention, is simple to operate, high in working efficiency, capable of effectively removing various dirt on the surface of the metal plate and deep insoluble oxide films, excellent in detergent effect, low in raw material cost, free of pollution and easy to popularize.
Description
Technical Field
The invention relates to the technical field of metal cleaning, in particular to a preparation method of a descaling agent solution for cleaning a metal plate.
Background
In the industrial industry, various materials such as metal products (copper, iron, aluminum, steel, zinc and alloy) and the like are often cleaned when various oil stains, stains and grease such as surface stretching oil, cutting oil, antirust oil, lubricating oil, stamping oil and the like are cleaned, and diesel oil, kerosene or gasoline is mostly adopted as a cleaning solution to clean parts. This is not only wasteful of energy, but also presents a potential unsafe factor that, with some caution, can lead to a fire. In addition, the adopted cleaning agent has great defects, high and low quality and poor integral decontamination performance.
And the metal material is easy to react with oxygen in the air to generate an aluminum oxide film on the surface. At present, the oxide film generally adopts an acid pickling and stripping method and an alkaline etching method; among them, the acid pickling and stripping method generally uses phosphoric acid and chromic anhydride to treat, or uses hydrofluoric acid to treat, both of them are highly toxic and harmful articles, and also have the problems of long time consumption and low production efficiency; if the existing alkali etching method is adopted, the surface of the treated product is dull and has low glossiness, and the alkali etching can also cause excessive corrosion on the surface of the product. The use of the product is limited due to environmental pollution in the production process or the use process.
Disclosure of Invention
The technical problem mainly solved by the invention is to provide a preparation method of a detergent solution for cleaning a metal plate, which is simple to operate, high in working efficiency, capable of effectively removing various dirt on the surface of the metal plate and a deep insoluble oxide film, excellent in descaling effect, low in raw material cost, free of pollution and easy to popularize.
In order to solve the technical problems, the invention adopts a technical scheme that: the preparation method of the descaling agent solution for cleaning the metal plate comprises the following specific steps:
a. measuring the working water level capacity of the working tank, and setting the concentration of the descaling agent solution;
b. adding 10us of pure water or 400us of tap water to 3/4 of the working water level of the working tank, then adding the metered concentrated solution of the oxide film, uniformly stirring, and finally adding the corresponding pure water or tap water to the working water level of the working tank to prepare a scale remover solution;
c. measuring whether the pH value of the detergent solution is in a normal range or not, measuring the temperature, and adjusting the temperature to be in a working temperature range of 18-38 ℃ in the working tank.
In a preferred embodiment of the invention, the concentration of the detergent solution is 60-70 ml/l.
In a preferred embodiment of the invention, the pH of the detergent solution is 2.25-2.5.
In a preferred embodiment of the present invention, the raw materials of the concentrated solution for removing the oxide film comprise the following components in parts by weight: 3-5 parts of sodium hydroxide, 1-2 parts of benzotriazole, 0.8-1.6 parts of concentrated sulfuric acid, 3-5 parts of boric acid and 1.5-2.5 parts of triethanolamine.
In a preferred embodiment of the present invention, the raw materials of the concentrated solution for removing the oxide film comprise the following components in parts by weight: 3.5-4.5 parts of sodium hydroxide, 1-2 parts of benzotriazole, 1.1-1.3 parts of concentrated sulfuric acid, 3-4 parts of boric acid and 2 parts of triethanolamine.
In a preferred embodiment of the invention, the operating temperature in the working tank is 25 degrees.
The invention has the beneficial effects that: the preparation method of the detergent solution for cleaning the metal plate, provided by the invention, is simple to operate, high in working efficiency, capable of effectively removing various dirt on the surface of the metal plate and deep insoluble oxide films, excellent in descaling effect, low in raw material cost, pollution-free and easy to popularize.
Drawings
FIG. 1 is a flow chart of a preferred embodiment of a method of preparing a detergent solution for cleaning metal plates according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention includes:
example 1:
a preparation method of a detergent solution for cleaning a metal plate comprises the following specific steps:
a. measuring the working water level capacity of the working tank, and setting the concentration of the descaling agent solution;
b. adding pure water of less than 10us or tap water of less than 400us to 3/4 of the working water level of the working tank, then adding metered concentrated solution of the oxide film, uniformly stirring, and finally adding corresponding pure water or tap water to the working water level of the working tank to prepare the scale remover solution, wherein the concentrated solution of the oxide film comprises the following components in parts by weight: 3-5 parts of sodium hydroxide, 1-2 parts of benzotriazole, 0.8-1.6 parts of concentrated sulfuric acid, 3-5 parts of boric acid and 1.5-2.5 parts of triethanolamine;
c. the pH of the detergent solution is measured and measured to determine whether it is within a normal range, and the temperature is measured and adjusted to the working temperature range of 18 degrees in the working tank.
In the above, the concentration of the detergent solution is 60 ml/l; the pH of the detergent solution was 2.25.
Further, the raw materials of the concentrated solution for removing the oxidation film comprise the following components in parts by weight: 3.5 parts of sodium hydroxide, 1 part of benzotriazole, 1 part of concentrated sulfuric acid, 4 parts of boric acid and 1.5 parts of triethanolamine.
During operation, the working temperature in the working tank is 25 ℃, the decontamination effect is better, and the working efficiency of removing the metal plate oxide film is faster.
Example 2:
a preparation method of a detergent solution for cleaning a metal plate comprises the following specific steps:
a. measuring the working water level capacity of the working tank, and setting the concentration of the descaling agent solution;
b. adding pure water of less than 10us or tap water of less than 400us to 3/4 of the working water level of the working tank, then adding metered concentrated solution of the oxide film, uniformly stirring, and finally adding corresponding pure water or tap water to the working water level of the working tank to prepare the scale remover solution, wherein the concentrated solution of the oxide film comprises the following components in parts by weight: 3.5-4.5 parts of sodium hydroxide, 1-2 parts of benzotriazole, 1.1-1.3 parts of concentrated sulfuric acid, 2-4 parts of boric acid and 2 parts of triethanolamine;
c. the pH value of the detergent solution is measured whether the pH value is in a normal range, and the temperature is measured and adjusted to be 35 ℃ in the working temperature range in the working tank.
In the above, the concentration of the detergent solution is 65 ml/l; the pH of the detergent solution was 2.35.
Further, the raw materials of the concentrated solution for removing the oxidation film comprise the following components in parts by weight: 4 parts of sodium hydroxide, 1.5 parts of benzotriazole, 1.3 parts of concentrated sulfuric acid, 4.5 parts of boric acid and 2 parts of triethanolamine.
During operation, the working temperature in the working tank is 25 ℃, the decontamination effect is better, and the working efficiency of removing the metal plate oxide film is faster.
Example 3:
a preparation method of a detergent solution for cleaning a metal plate comprises the following specific steps:
a. measuring the working water level capacity of the working tank, and setting the concentration of the descaling agent solution;
b. adding 10us of pure water or 400us of tap water to 3/4 of the working water level of the working tank, then adding the metered concentrated solution of the oxide film, uniformly stirring, and finally adding the corresponding pure water or tap water to the working water level of the working tank to prepare a scale remover solution;
c. the pH of the detergent solution is measured and measured to determine whether it is within a normal range, and the temperature is measured and adjusted to within 25 degrees of the working temperature range in the working tank.
In the above, the concentration of the detergent solution is 60-70 ml/l; the pH value of the detergent solution is 2.25-2.5.
Further, the raw materials of the concentrated solution for removing the oxidation film comprise the following components in parts by weight: 5 parts of sodium hydroxide, 2 parts of benzotriazole, 1.6 parts of concentrated sulfuric acid, 5 parts of boric acid and 2.5 parts of triethanolamine.
During operation, the working temperature in the working tank is 25 ℃, the decontamination effect is better, and the working efficiency of removing the metal plate oxide film is faster.
In conclusion, the preparation method of the detergent solution for cleaning the metal plate, provided by the invention, has the advantages of simplicity in operation, high working efficiency, capability of effectively removing various dirt on the surface of the metal plate and a deep insoluble oxide film, excellent descaling effect, low raw material cost, no pollution and easiness in popularization.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A preparation method of a detergent solution for cleaning a metal plate is characterized by comprising the following specific steps:
a. measuring the working water level capacity of the working tank, and setting the concentration of the descaling agent solution;
b. adding 10us of pure water or 400us of tap water to 3/4 of the working water level of the working tank, then adding the metered concentrated solution of the oxide film, uniformly stirring, and finally adding the corresponding pure water or tap water to the working water level of the working tank to prepare a scale remover solution;
c. measuring whether the pH value of the detergent solution is in a normal range or not, measuring the temperature, and adjusting the temperature to be in a working temperature range of 18-38 ℃ in the working tank.
2. The method of claim 1, wherein the detergent solution has a concentration of 60 to 70 ml/l.
3. The method of claim 1, wherein the detergent solution has a pH of 2.25 to 2.5.
4. The method as claimed in claim 1, wherein the concentrated solution for removing oxide film comprises the following components in parts by weight: 3-5 parts of sodium hydroxide, 1-2 parts of benzotriazole, 0.8-1.6 parts of concentrated sulfuric acid, 3-5 parts of boric acid and 1.5-2.5 parts of triethanolamine.
5. The method as claimed in claim 4, wherein the concentrated solution for removing oxide film comprises the following components in parts by weight: 3.5-4.5 parts of sodium hydroxide, 1-2 parts of benzotriazole, 1.1-1.3 parts of concentrated sulfuric acid, 3-4 parts of boric acid and 2 parts of triethanolamine.
6. The method of claim 1 wherein the operating temperature in the tank is 25 degrees.
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| CN202011040608.9A CN112391635A (en) | 2020-09-28 | 2020-09-28 | Preparation method of detergent solution for cleaning metal plate |
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| CN104498967A (en) * | 2014-12-31 | 2015-04-08 | 苏州禾川化学技术服务有限公司 | Multifunctional aluminum material corrosion-inhibition polishing pickling agent |
| CN105018945A (en) * | 2014-04-23 | 2015-11-04 | 石家庄正仁环保科技有限公司 | Environmental-friendly metal surface treatment fluid |
| CN110066999A (en) * | 2019-05-28 | 2019-07-30 | 深圳市钝化技术有限公司 | A cleaning agent for being used for 3003 aluminiums |
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2020
- 2020-09-28 CN CN202011040608.9A patent/CN112391635A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1536060A (en) * | 2003-04-07 | 2004-10-13 | 章志伟 | Multifunctonal degreasing rust-removing cleaning agent and its preparaton method |
| CN104250818A (en) * | 2013-06-28 | 2014-12-31 | 无锡杨市表面处理科技有限公司 | Pickling technology for brass surface passivation pretreatment |
| CN103602999A (en) * | 2013-11-18 | 2014-02-26 | 中国神华能源股份有限公司 | Pickling agent composition and pickling method of sea water desalting device |
| CN103820774A (en) * | 2014-02-26 | 2014-05-28 | 苏州禾川化学技术服务有限公司 | Stainless steel pickling passivation cream with high transparency and high viscosity and preparation method thereof |
| CN103898529A (en) * | 2014-04-22 | 2014-07-02 | 东北大学 | Rust-removing method |
| CN105018945A (en) * | 2014-04-23 | 2015-11-04 | 石家庄正仁环保科技有限公司 | Environmental-friendly metal surface treatment fluid |
| CN104152928A (en) * | 2014-08-28 | 2014-11-19 | 安徽师范大学 | Surface cleaning agents for casting aluminium alloy, and a preparation method and a usage method of the surface cleaning agents |
| CN104498967A (en) * | 2014-12-31 | 2015-04-08 | 苏州禾川化学技术服务有限公司 | Multifunctional aluminum material corrosion-inhibition polishing pickling agent |
| CN110066999A (en) * | 2019-05-28 | 2019-07-30 | 深圳市钝化技术有限公司 | A cleaning agent for being used for 3003 aluminiums |
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