Industrial aluminum spray cleaning application and management
[China Aluminum Industry Network] The industrial aluminum profile eruption cleaning method is widely used because of the complex equipment and high technical demand. To ensure a good pre-disposal function, it is necessary to strengthen management from the following aspects:
1. Strengthen the technology to be widely used, strictly implement the operating procedures, check the operation status every day, and investigate the technical parameters at the time. Prevents the workpiece from sticking in the device and prevents it from rusting.
2. Pay attention to the quality of water washing. In the technical process of removing oil, the workpiece has residual liquid on the surface. If it is not washed, the quality of the product will be affected. Therefore, it is necessary to clean the residual liquid from the surface of the workpiece and remove it as water washing. In industrial production, in order to save water, washing water is usually recycled, so water washing will gradually be contaminated by detergents. In order to reduce the degree of pollution, aluminum profiles should first reduce as much as possible the contamination of workpieces with cleaning fluids. In addition, multi-stage water washing should be considered, usually secondary washing, and some techniques still use pure water washing. The larger level of water used in the subsequent level of laundering does not exceed one-tenth of that of the previous level, so that the residual concentration of the secondary level workpiece is only 1% of the original concentration. When increasing water wash, use countercurrent compensation to save water.
3. Foam and its manipulation. In metal cleaning, foam generation or eradication is very important for pre-treatment technology. A certain amount of foam is beneficial to certain disposal technologies, but the quality of industrial aluminum profile cleaners does not depend on The amount of foam, but in the eruption, the demand for detergent is low foam, otherwise the mass production can not be carried out normally. Common defoaming methods include: adding defoamer; using low-foam external surfactant; operating temperature; reducing the air into the mix.
Degreasing agent formulations, because a single group of poor cleaning agent role, so the industrial aluminum production is rarely used, usually choose multi-component, composite cleaner, because of the strong alkali, weak alkali, polymeric inorganic salt, appearance A suitable cleaning agent, such as an active agent, cooperates with each other to express their respective cleaning characteristics, and thus can significantly improve the washing power. In particular, the addition of a small number of external active agents can be doubled. The cleaning power and the formulation of industrial aluminum profile cleaners can be determined by tests based on the types of oil stains that are cleaned, raw materials for aluminum profiles, and cleaning methods.
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