How to effectively remove small metal impurities in the powder?

In industrial production and food processing, metal impurities are often mixed in, which often becomes a major problem for producers. Although these tiny metal particles are inconspicuous, they may have an impact on product quality and safety. So, what should we do when these fine metal impurities are found in the powder?

一. Sources and hazards of fine metal impurities

During the production, transportation and processing of powder materials, small metal particles are often mixed with various reasons. These metal impurities may come from the mining and processing of raw materials, or as a result of equipment wear and environmental pollution. Although the particles are extremely small, they have a negative impact on the purity, performance and final use effect of the product.

二. Common methods of removal

1. Magnetic separation method: For powders containing iron metals, magnetic separation method is a relatively common treatment method. The magnetic separator separates iron filings and other iron metal particles from the powder through a strong magnetic field. This method is especially suitable for preliminary treatment in large-scale production, which can quickly and efficiently remove a large amount of iron metals.

2. Metal detector: Metal detector is an effective tool for detecting and removing various metal impurities (including non-ferrous metals). It is usually installed at the end of the production line to ensure that all products are tested for metal impurities before final packaging to further ensure the safety of the product.

3. Airflow separation method: For ultra-fine powders and extremely small metal particles, the airflow separation method is an ideal choice. By using the difference in density between powder and metal particles, the airflow separation method can effectively separate them and ensure the purity of the powder.

三. Application of iron and magnetisation equipment

In the powder processing industry, the magnetic separator is an important means to remove fine metal impurities.Force Magnetic Solution Co., Ltd. has been focussing on material magnetisation for 17 years, and has accumulated a large number of customer groups in many industries to help enterprises effectively solve the problem of metal impurities in the production process.

四. Precautions in operation

1. Regular maintenance of equipment: Magnetic separator needs regular maintenance. Regular testing and maintenance can extend the service life of equipment while ensuring its continuous and efficient operation.

2. Employee training and operation specifications: Operators should receive professional training and follow the operation specifications, which can not only improve the effect of magnetic separator, but also reduce equipment damage or handling errors caused by improper operation.

3. Comprehensive application of a variety of methods: fine metal impurities in powder materials are an inevitable problem in production, but this problem can be effectively solved through reasonable treatment methods and professional magnetic separator. In addition to choosing the appropriate processing technology, enterprises also need to pay attention to equipment maintenance and operation specifications to ensure the quality and safety of products.