Application of metal detectors in different industries

Metal detectors can be applied to a wide range of industries, involving food, medicine, chemical and plastic industries. The products and testing requirements of each industry are different. So choose a suitable metal detector for this industry.

There are many sub-categories in the food industry. In terms of product status, there are generally two types of dry products and wet products. The dry product does not contain water and is easier to detect. When selecting equipment varieties, conventional products can be used. Choose the corresponding machine type according to the shape of the product. Generally, foods that are packaged in small bags, such as bread, biscuits, and candies, can choose metal detectors to cooperate with the assembly line. Placed at the very end of the production process, and enter the warehouse directly after passing the inspection. For dry granular and powdered products, you need to choose a falling metal detector, and use an automatic separation device to sort cooperative and unqualified products. The drop-type metal detector has a small opening, and the detection sensitivity is higher than that of the conveying type.

Wet products are more difficult to detect than dry products. The moisture content in wet products, and one of the characteristics of water is conductivity. Analyzing the wet products that are packaged, there will be problems with salt and sugar. These factors will affect the detection, which we call the "product effect". So if you are a company that produces wet products, when choosing a metal detector, you should choose a machine with a waterproof body and strong anti-interference performance. However, there is another category of wet products that are pure liquid, paste and paste products. For this type of product, it is necessary to choose a metal detector and use a pump to provide pressure to push the product to pass inspection. 

For this type of product, it is necessary to choose a metal detector and use a pump to provide pressure to push the product to pass inspection. For pure liquid products, the pressure parameters of the pump should be set when testing, because the over-inspection speed should be consistent with the reaction time of the detection probe. If bubbles are formed in the products of pasty and pasty products, it is difficult for the detector to distinguish, and false alarms are prone to be generated.

The above is to separate dry products from wet products, and there are some common features. For example: temperature, testing environment, etc., how to reduce these product effects, you must choose a machine suitable for your use and understand how to correctly avoid product effects.

The solution to the product effect is called "product compensation", which provides a special electronic circuit that can amplify and filter the signal in different amounts according to the phase of the signal from the detector. The operator can optimize the metal detection function for a variety of product signals by adjusting the filter. This method is product compensation. It usually has the function of minimizing the product signal and improving the sensitivity of the detector to ferrous metals. And the function of reducing the sensitivity and environmental impact of stainless steel.

When the company is facing numerous metal detectors in the market. You must keep your eyes open and carefully identify the actual use of the metal detector, so as to avoid the situation that the purchase of the equipment does not help your own production! Metal Detector Metal Detector Metal Detector , metal separator.