Washing liquid for cold-rolled silicon steel plate

Abstract

The invention discloses washing liquid for a cold-rolled silicon steel plate, which mainly comprises the following components in parts by weight: 18-28 parts of sodium hydroxide, 45-55 parts of sodium silicate, 12-17 parts of trimeric sodium phosphate, 1-10 parts of polyethenoxy ether and 0.2-0.5 parts of efficient organic silicon foam inhibitor. According to the washing liquid for the cold-rolled silicon steel plate, the defects in the prior art that the cleaning effect is bad, the energy consumption is high, the operation faults are easy to cause, and the like can be overcome so that the advantages that the cleaning effect is good, the energy consumption is low and the operation faults are not easy to cause are realized.

Description

technical field [0001] The invention relates to the technical field of metal material cleaning, in particular to a cleaning solution for cold-rolled silicon steel sheets. Background technique [0002] Since the silicon steel plate uses rolling oil during the cold rolling process, a layer of oil stains sticks to the surface of the cold rolled silicon steel plate. Cause pollution and affect the coating quality of subsequent processes. [0003] Generally, the oil stains on the surface of cold-rolled silicon steel sheets are usually cleaned with alkaline cleaning agents. However, these cleaning agents do not have a good cleaning effect on cold-rolled silicon steel sheets. A layer of oil stains often adhere to the surface of cold-rolled silicon steel sheets after cleaning, causing carbonaceous stains to form on the surface of cold-rolled silicon steel sheets after annealing, seriously affecting the quality of the steel sheets. Surface quality. Moreover, the working temperature...

AI Technical Summary

Problems solved by technology

However, these cleaning agents do not have a good cleaning effect on cold-rolled silicon steel sheets. A layer of oil stains often adhere to the surface of cold-rolled silicon steel sheets after cleaning, causing carbonaceous stains to form on the surface of cold-rolled silicon steel sheets after annealing, seriously affecting the quality of the steel sheets. surface quality

Moreover, the working temperature of these cleaning agents is high, the energy consumption is large during cleaning, and it is easy to cause fouling of equipment and pipelines and block the pipelines, affecting normal production

In addition, these cleaning agents do not contain defoaming agents, and a large amount of foam will be generated during the cleaning process of cold-rolled silicon steel plates. These foams will pollute the working environment in light cases, and cause production to fail in severe cases.

[0004] In the process of realizing the present invention, the inventor found that the prior art at least has defects such as poor cleaning effect, high energy consumption, and easy operation failures.