阅读说明：本技术 水基清洗剂及其在哈氏合金带材清洗上的应用 (Water-based cleaning agent and application thereof in cleaning Hastelloy strip ) 是由 蔡勇 于 2021-08-12 设计创作，主要内容包括：本发明涉及工业清洗剂技术领域,且公开了一种水基清洗剂及其在哈氏合金带材清洗上的应用,包括以下配比的原料：3.5g/L氢氧化钠,0.4g/L辛基酚聚氧乙烯醚,5.0～10.0g/L葡萄糖酸钠,0.3g/L烷基聚氧乙烯硫酸酯盐,15.0～25.0g/L碳酸钠,8.0～15.0g/L由纳米氧化锌均衡分散在聚噻吩中形成的浓度为5～10％的混合清洗催化剂；在清洗C-276哈氏合金基带时,污染物在激光能量和混合清洗催化剂的共同作用下,通过物理或化学反应克服与C-276哈氏合金基带的结合力并脱离,污染物吸收激光能量后瞬时温度急剧升高至超过熔点或沸点,进而分解或气化并从表面消失,不仅实现了彻底清除污染物的技术效果,而且清洁方式无毒、环保、安全、高效。(The invention relates to the technical field of industrial cleaning agents, and discloses a water-based cleaning agent and application thereof in cleaning Hastelloy strips, wherein the water-based cleaning agent comprises the following raw materials in parts by weight: 3.5g/L of sodium hydroxide, 0.4g/L of octyl phenol polyoxyethylene ether, 5.0-10.0 g/L of sodium gluconate, 0.3g/L of alkyl polyoxyethylene sulfate, 15.0-25.0 g/L of sodium carbonate and 8.0-15.0 g/L of mixed cleaning catalyst with the concentration of 5-10 percent formed by uniformly dispersing nano zinc oxide in polythiophene; when the C-276 hastelloy base band is cleaned, the pollutants overcome the binding force with the C-276 hastelloy base band and are separated through physical or chemical reaction under the combined action of laser energy and a mixed cleaning catalyst, the instantaneous temperature of the pollutants is sharply increased to exceed the melting point or the boiling point after the pollutants absorb the laser energy, and then the pollutants are decomposed or gasified and disappear from the surface, so that the technical effect of thoroughly removing the pollutants is realized, and the cleaning mode is non-toxic, environment-friendly, safe and efficient.)

1. The water-based cleaning agent is characterized by comprising the following raw materials in parts by weight: 3.5g/L of sodium hydroxide, 0.4g/L of octylphenol polyoxyethylene ether, 5.0-10.0 g/L of sodium gluconate, 0.3g/L of alkyl polyoxyethylene sulfate, 15.0-25.0 g/L of sodium carbonate and 8.0-15.0 g/L of mixed cleaning catalyst with the concentration of 5-10 percent formed by uniformly dispersing nano zinc oxide in polythiophene.

2. The water-based cleaning agent as claimed in claim 1, wherein the nano zinc oxide has an average particle size of 50nm or less.

3. The water-based cleaning agent as claimed in claim 2, wherein the water-based cleaning agent comprises the following raw materials: 3.5g/L of sodium hydroxide, 0.4g/L of polyoxyethylene octylphenol ether, 10.0g/L of sodium gluconate, 0.3g/L of alkyl polyoxyethylene sulfate, 15.0g/L of sodium carbonate and 8.0g/L of mixed cleaning catalyst with the concentration of 8 percent, wherein zinc oxide with the average particle size of less than or equal to 20nm is evenly dispersed in polythiophene.

4. The application of the water-based cleaning agent in cleaning of the hastelloy strip is characterized by comprising the following steps:

(1) preparing a solution according to the formula requirement, wherein the solution is required to be completely dissolved;

(2) cutting a C-276 hastelloy base band with the width of 12mm by 30cm, folding the base band in half, soaking the base band in cleaning solution, and covering (filter paper) for dust prevention;

(3) irradiating the C-276 hastelloy base band by pulse laser; the specific parameters of the pulse laser are as follows: the pulse frequency is 10-50 kHz, and the average power is 120-200W;

(4) ultrasonically cleaning in a ZQ25-12TJR ultrasonic cleaner at 1kHz, and then washing by deionized water.

Technical Field

The invention relates to the technical field of industrial cleaning agents, in particular to a water-based cleaning agent and application thereof in cleaning Hastelloy strips.

Background

YBCO crystal (YBa)₂Cu₃O_7-δ) The consistent biaxial orientation of (a) is a necessary condition for forming superconductivity, which results in extremely strict requirements on the surface roughness of the C-276(Hastelloy C-276, Hastelloy, nickel-based metal alloy) base band, which cannot be directly applied in the market and must be subjected to surface treatment. The most effective treatment is electrochemical polishing, however, in the manufacturing process of C-276, scale, grease, carbonaceous film or other residual chemical film dirt, particles, metal debris, dust or other non-volatile deposits can affect the surface flatness and brightness and poison the polishing solution. Thus, electrificationBefore chemical polishing, the base strip must be thoroughly cleaned to remove the contaminants and to ensure that the roughness of the C-276 base strip meets the requirements of the subsequent process.

The existing common cleaning method has certain defects, such as high cost and energy consumption of a steam degreasing method and harm of steam to people and livestock; the nitric acid-hydrofluoric acid cleaning method has strong corrosivity, unsafe operation, difficult wastewater treatment and difficult management; the methods of immersion cleaning, spray cleaning, mechanical cleaning and the like have low efficiency and cannot meet the requirements of the next procedure; the chemical cleaning process mostly comprises the steps of water washing, degreasing, water washing, acid cleaning, water washing, passivation, water washing, drying and the like, and the process is complicated, wherein phosphoric acid and Na are contained in the process₃PO₄、Na₂Cr₂0₇The water eutrophication, heavy metal chromium pollution and the like are caused, the wastewater treatment is difficult and is not environment-friendly, the operation temperature of the chemical cleaning process is high (80-90 ℃), the cleaning time is long (4-8 h), and the industrial requirements can not be met.

The common cleaning agent has more residues, and is difficult to meet the requirement of cleaning rate, and the traditional organic solvent cleaning agent has the defects of flammability, toxicity, high price and the like, so the development of a low-toxicity, environment-friendly, safe and high-efficiency water-based cleaning agent is particularly important.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a water-based cleaning agent and application thereof in cleaning Hastelloy strips, so as to solve the technical problems that the traditional organic solvent cleaning agent has more residues, is difficult to meet the requirement of cleaning rate, and is inflammable, toxic and high in price.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme:

a water-based cleaning agent comprises the following raw materials in parts by weight: 3.5g/L of sodium hydroxide, 0.4g/L of octylphenol polyoxyethylene ether, 5.0-10.0 g/L of sodium gluconate, 0.3g/L of alkyl polyoxyethylene sulfate, 15.0-25.0 g/L of sodium carbonate and 8.0-15.0 g/L of mixed cleaning catalyst with the concentration of 5-10 percent formed by uniformly dispersing nano zinc oxide in polythiophene.

Furthermore, the average grain diameter of the nano zinc oxide is less than or equal to 50 nm.

Further, the water-based cleaning agent comprises the following raw materials in parts by weight: 3.5g/L of sodium hydroxide, 0.4g/L of polyoxyethylene octylphenol ether, 10.0g/L of sodium gluconate, 0.3g/L of alkyl polyoxyethylene sulfate, 15.0g/L of sodium carbonate and 8.0g/L of mixed cleaning catalyst with the concentration of 8 percent, wherein zinc oxide with the average particle size of less than or equal to 20nm is evenly dispersed in polythiophene.

The application of the water-based cleaning agent in cleaning the hastelloy strip comprises the following steps:

(1) preparing a solution according to the formula requirement, wherein the solution is required to be completely dissolved;

(2) cutting a C-276 hastelloy base band with the width of 12mm by 30cm, folding the base band in half, soaking the base band in cleaning solution, and covering (filter paper) for dust prevention;

(3) irradiating the C-276 hastelloy base band by pulse laser; the specific parameters of the pulse laser are as follows: the pulse frequency is 10-50 kHz, and the average power is 120-200W;

(4) ultrasonically cleaning in a ZQ25-12TJR ultrasonic cleaner at 1kHz, and then washing by deionized water.

(III) advantageous technical effects

Compared with the prior art, the invention has the following beneficial technical effects:

the mixed cleaning catalyst formed by uniformly dispersing the nano zinc oxide in the polythiophene is doped in the cleaning formula, when the C-276 Hastelloy base band is cleaned, under the combined action of laser energy and the mixed cleaning catalyst, the binding force of the pollutants with the C-276 Hastelloy base band is overcome through physical or chemical reaction and the pollutants are separated, the instantaneous temperature of the pollutants is rapidly increased to exceed the melting point or the boiling point after the pollutants absorb the laser energy, and then the pollutants are decomposed or gasified and disappear from the surface, so that the technical effect of thoroughly removing the pollutants is realized, and the cleaning mode is non-toxic, environment-friendly, safe and efficient.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

The first embodiment is as follows:

a water-based cleaning agent comprises the following raw materials in parts by weight: 3.5g/L of sodium hydroxide, 0.4g/L of octyl phenol polyoxyethylene ether, 5.0g/L of sodium gluconate, 0.3g/L of alkyl polyoxyethylene sulfate, 25.0g/L of sodium carbonate and 5.0g/L of mixed cleaning catalyst with the concentration of 10 percent, wherein zinc oxide with the average particle size of less than or equal to 50nm is evenly dispersed in polythiophene;

the application method of the water-based cleaning agent in cleaning of the hastelloy strip comprises the following steps:

(1) preparing 1000mL of solution according to the formula requirement, wherein the solution is required to be completely dissolved;

(2) cutting a C-276 hastelloy base band with the width of 12mm by 30cm, folding, soaking in cleaning solution for 1h, and covering with a cover (filter paper) for dust prevention;

(3) irradiating the C-276 hastelloy base band for 10min by pulse laser; the specific parameters of the pulse laser are as follows: center wavelength of 1064nm, maximum single pulse energy of 10.0mJ, pulse frequency of 30kHz, average power of 120W, spot diameter of 0.36mm, maximum scanning rate of 10000 mm/s, and beam quality M²＝11.2；

(4) Ultrasonically cleaning in a ZQ25-12TJR ultrasonic cleaner for 10min at 60 ℃ and 1kHz, and then washing with deionized water;

example two:

a water-based cleaning agent comprises the following raw materials in parts by weight: 3.5g/L of sodium hydroxide, 0.4g/L of octyl phenol polyoxyethylene ether, 10.0g/L of sodium gluconate, 0.3g/L of alkyl polyoxyethylene sulfate, 15.0g/L of sodium carbonate and 8.0g/L of mixed cleaning catalyst with the concentration of 8 percent, wherein zinc oxide with the average particle size of less than or equal to 20nm is evenly dispersed in polythiophene;

the application method of the water-based cleaning agent in cleaning of the hastelloy strip comprises the following steps:

(1) preparing 1000mL of solution according to the formula requirement, wherein the solution is required to be completely dissolved;

(2) cutting a C-276 hastelloy base band with the width of 12mm by 30cm, folding, soaking in cleaning solution for 2h, and covering with a cover (filter paper) for dust prevention;

(3) irradiating the C-276 hastelloy base band for 10min by pulse laser; the specific parameters of the pulse laser are as follows: center wavelength of 1064nm, maximum single pulse energy of 10.0mJ, pulse frequency of 50kHz, average power of 150W, spot diameter of 0.36mm, maximum scanning rate of 10000 mm/s, and beam quality M²＝11.2；

(4) Ultrasonically cleaning in a ZQ25-12TJR ultrasonic cleaner at 60 ℃ and 1kHz for 15min, and then washing with deionized water;

example three:

a water-based cleaning agent comprises the following raw materials in parts by weight: 3.5g/L of sodium hydroxide, 0.4g/L of octyl phenol polyoxyethylene ether, 8.0g/L of sodium gluconate, 0.3g/L of alkyl polyoxyethylene sulfate, 20.0g/L of sodium carbonate and 10.0g/L of 5% mixed cleaning catalyst formed by uniformly dispersing zinc oxide with the average particle size of less than or equal to 10nm in polythiophene;

the application method of the water-based cleaning agent in cleaning of the hastelloy strip comprises the following steps:

(1) preparing 1000mL of solution according to the formula requirement, wherein the solution is required to be completely dissolved;

(2) cutting a C-276 hastelloy base band with the width of 12mm by 30cm, folding, soaking in cleaning solution for 1h, and covering with a cover (filter paper) for dust prevention;

(3) irradiating the C-276 hastelloy base band for 10min by pulse laser; the specific parameters of the pulse laser are as follows: center wavelength of 1064nm, maximum single pulse energy of 10.0mJ, pulse frequency of 10kHz, average power of 200W, spot diameter of 0.36mm, maximum scanning rate of 10000 mm/s, and beam quality M²＝11.2；

(4) Ultrasonically cleaning in a ZQ25-12TJR ultrasonic cleaner at 60 ℃ and 1kHz for 20min, and then washing with deionized water;

and (3) performance testing:

filtering the cleaning solution under reduced pressure with microporous filtering membrane (organic nylon membrane 0.2 μ M), fixing the microporous filtering membrane with filter paper fixture, oven drying at 100 deg.C for 15min, cooling, and detecting by placing at the center of objective table of Leica DM 2500M metallographic microscope;

the fully automatic inspection and analysis process of the RamisCIA cleanliness check system is as follows: automatically scanning the whole organic system filter membrane, automatically photographing, automatically identifying, counting and analyzing particles, automatically checking cleanliness and a customer-defined standard, and automatically generating a professional cleanliness rating and analysis report;

setting parameters: firstly, the volume of a cleaning solution for the test is 1000 mL;

② calculation of total number of pollutants (normalization parameter: volume per 100mL)

Total number of contaminants is total number of particles/1000 × 100;

③ the effective filtering diameter is 34 mm;

the definition criteria are: after cleaning, the total number of pollutants in the statistical result is qualified when the total number of pollutants is less than 20, and the total number of pollutants in the statistical result is unqualified when the total number of pollutants is more than 20;

the detection result is as follows:

the first embodiment is as follows: the total number of the pollutants after cleaning is less than 20, and the cleaning is qualified;

example two: the total number of the pollutants after cleaning is less than 20, and the cleaning is qualified;

example three: the total number of the pollutants after cleaning is less than 20, and the cleaning is qualified;

according to the test results, all quality indexes of the cleaning agent prepared by the invention meet the definition standard.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.