What role does the food metal detector play in food testing?
What role does the food metal detector play in food inspection? Many food producers install metal detectors before heavy and vulnerable equipment, because it can protect downstream machinery from damage and avoid interruption in production, thereby directly benefiting the economy. The detector can then act as the guard of vulnerable transport pumps, rollers and valves to prevent damage to metal contaminants. For example, in the production of biscuits, the detector is usually formed before the dough is formed into the molding roller. The brass roller and molding roller with the pattern are very valuable and easy to scratch, and the metal impurities will be more seriously damaged. The metal detectors are installed before the forming rollers to protect them from the hard metal in the biscuit. This also ensures that the contaminants are not further crushed, making the detection more difficult.
Cleaning: strict hygienic regulations of the food industry is always the primary considerations metal detector manufacturers. The equipment must be easily disassembled for cleaning in order to avoid the interruption of production. The high quality metal detector is made of stainless steel, and the protection grade conforms to the IP56/66 standard, which is convenient for the complete rinsing of every class. If the cleaning condition is more demanding and there are corrosive substances or high temperature products in the food industry, it is more necessary to have such characteristics.
Detection and elimination: the important role metal detector, through the implementation of harmful metal sensitive small debris and reliable detection of products to provide reliable protection. However, this protection can only be achieved when the contaminated products are reliably removed from the production process and sent to the customers in the hands of the safe products. Therefore, the automatic elimination system is as important as the performance of the detector itself.
When the contaminants are found, the detector will produce an action to eliminate the signal driven elimination device after a period of adjustable delay. It ensures that the contaminated products are removed to the culling box. Most of the elimination devices are pneumatic devices. In conveyor systems, they can be pushed in shuttergate or simple air blowing out. Some products may need to drop or tilt certain parts of the conveyor belt in order to separate the contaminated products from the good products. In the production of biscuits, for example, the product passes through a return bucket with a recycled bucket at the bottom. If metal is found, a whole row of biscuits is removed to ensure complete product protection. On the other hand, soup, the pollutants will introduce second shunt valve pipeline, so as not to interrupt the production and the contaminated products out.
Due to the failure safety mode of the rejection device, the electronic sensor can be used to check the contaminated products. The product is removed into the reject box and will not enter the production line, so the safety of the product is guaranteed.