Application of Metal Detector in Pharmaceutical Industry
In recent years, due to the continuous strengthening of product quality awareness of end-user companies and the GMP certification of the pharmaceutical industry, relevant regulations have been made on the online testing equipment of production enterprises. This article discusses the online testing equipment and technologies used in the pharmaceutical industry. In the process of drug reproduction and processing, metal powders, particles, needle-shaped amorphous and other metal foreign bodies are often mixed into the product due to equipment wear, manual negligence and other reasons, which brings great harm to drug safety. Therefore, we often use metal detectors to detect products to prevent the existence of foreign metal objects in products. The packaging requirements of metal detectors for pharmaceuticals are that the products cannot contain metal, but many manufacturers use metal composite films for packaging considering the high requirements for sealing and light-proof packaging, but the metal composite films themselves are metal. We only choose to test before packaging. The free fall type gold inspection machine was developed for the above situation. It is mainly for the detection of flakes, capsules and granular and powdery items. When a large number of these items fall through the free fall type When the gold needle inspection machine is used for inspection, it will use its own fast-start electromagnetic drive lift-type rejection device, which can reliably separate the contaminated products. This model has the characteristics of simple installation, high sensitivity, convenient maintenance and high efficiency. Conveyor Belt Metal Detector Some liquid and viscous products (such as some oral liquids, health care products) can be tested after canning. Conveyor belt metal detectors can be used to remove metal impurities online to ensure the safety of such products. Factory. The main components of the medical metal detector include: the detection head (including the sensor) and the automatic rejection device. Among them, the detection head is the core part, which is composed of three coils, a central transmitting coil and two equal receiving Coil, fix the three sets of coils in the probe head, generate a high-frequency AC magnetic field through the oscillator connected to the radiation coil in the middle, and connect the receiving coils on both sides so that the induced voltages cancel each other out before the magnetic field is disturbed. . Once the metal impurities enter the magnetic field area, the signals output by the two input coils cannot be cancelled, and the metal detector can detect the presence of metal. The uncancelled induced voltage passes through the sensor and is processed by the control system to generate a rejection signal, It is sent to the automatic rejection device to remove metal impurities from the production line. Through the above explanation, I believe that you have a lot of understanding of metal detectors. Metal detection is the future development trend, and it is also the inevitable development of future pharmaceutical factories.
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