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          The Development Trend of Plastic Dryer in the Next Few Years


          There is still a certain gap between the quality and technical level of domestic drying products and developed countries. Currently, the development direction of the Chinese drying equipment industry is large-scale, high strength, and high cost-effective by learning from international advanced technology, combining practical experience, exploring new technology and new products.


          1. Problems of the plastic dryer in China


          At present, low automation levels and backward control methods of domestic drying equipment are common problems. The current level of automation is not difficult to solve the control problems in the drying equipment. However, the most lacking is the reasonable combination of automatic control technology and drying equipment. Different materials have different requirements for the plastic dryer. Similarly, different materials have relatively large different requirements for control methods.


          As we all know, each type of drying equipment has its specific scope of application, and there are several types of drying equipment that can meet the basic requirements for each material. However, there is only one type of drying equipment that is most suitable. If an inappropriate model is selected, the user has to bear unnecessarily high one-time purchase costs in addition to heavy costs throughout the life of the equipment, such as low efficiency, high energy consumption, high operating costs, poor quality, non-functional, etc.


          2. The role of automatic control in the plastic dryer


          Automatic control is playing an increasingly important role in the plastic dryer while its one-time investment is also the most concerning problem, and sometimes the investment in the control equipment even exceeds the investment in the mechanical part of the plastic dryer. The plastic dryer and drying process requires reasonable determination of the control methods, and determining appropriate control methods for specific drying projects is also a subject that should be studied at present.


          3. Amplification study of the plastic dryer


          In addition, it is necessary to pay attention to the amplification study of drying equipment, which involves disciplines such as fluid mechanics, mechanics, thermodynamics, heat transfer, material science, dust removal, anti-corrosion, electrical appliances, and control. Some problems are likely to occur during the amplification process. Therefore, the amplification of the drying equipment is not simply geometric.


          The study of dryer scale-up depends on industrial experience to a large extent, mastery of material properties, and knowledge of drying equipment. If a phenomenon occurs in the amplification process, it is important to be rational and objective to come up with corresponding solutions. The research on the amplification effect is to accumulate practical experience and sum up lessons while mastering drying theory and technology.


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