During industrial cleaning, the effect of chemical agents on the dissolution of dust is used to remove the dust. The essence is that the industrial cleaner dissolves the dust from the surface of the dust contacted with it, soaks into the dust together with the cleaner, reduces the contact force between the particles of the dust and reduces the contact force between the dust and the basic equipment, and dissolves the dust or loosens the dust to remove it. The purpose of chemical cleaning is to remove pollution, improve quality and obtain good processing function.

The development of chemical cleaning skills is closely related to the advancement of industrial cleaning agents. Recently, the concept of green chemistry and chemical cleaning has been put forward, that is, under the condition of reducing or eliminating the use of harmful substances and preventing the generation of harmful substances, the process of using the least chemical agents to remove the scale on the surface of the object and restore its appearance.

With the development of relevant skills such as precision organic composition skills, biological skills and detection skills, industrial cleaners will be developed in the direction of molecular planning and will form green environmental protection industrial cleaners with biological defense ability and enzyme catalytic effect; Weak acidic or medium-sized organic compounds will replace strong acids and strong bases; Linear organic compounds and plant extracts will replace aromatic compounds; Phosphorus free and fluorine-free cleaners will replace phosphorus containing and fluorine-containing cleaners; Water based cleaners will replace solvent based and lotion based cleaners; Biodegradable environmental friendly cleaner will replace the traditional cleaner that is difficult to decompose; Environmental friendly industrial cleaner has strong function and simple operation. In terms of cleaning additives, more attention should be paid to the effects of catalysts, accelerators and stripping agents, so as to make them non-toxic and low agent quantification. For corrosion inhibitors, special high-efficiency corrosion inhibitors under special conditions should be developed. Although great progress has been made in the development of chemical cleaning skills, there are still some problems to be solved. It is required to develop highly functional cleaning agents, including less corrosive, simple and safe operation, low cost and more efficient corrosion inhibitors; We need to develop green cleaners that meet the requirements of environmental protection. Even today, online chemical cleaning skills are not widely used.

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