The central feeding system adopts vacuum transfer mode. The plastic raw materials are transferred from the storage tank to the central dehumidification drying system through a centralized piping system, and then the dried raw materials are transferred to each injection molding machine. The central feeding system adopts the design mode of "one machine, one tube" or "one machine, multiple tubes" to ensure the air of the whole system to transport raw materials and prevent the raw materials from returning moisture after dehumidification and drying. At the same time in each transmission stable operation, no material blocking phenomenon.It can be used with the central dehumidification and drying system. After the dehumidification and drying feeding cycle, the conveying pipeline will be cleaned to ensure that there is no residual granule in the pipeline. In addition to avoiding the return of moisture of raw materials, the performance of raw materials added into the injection molding machine is also guaranteed.Under the action of vacuum negative pressure, the dust from raw materials will be filtered out through the dust filtration system, which is helpful to improve the quality of the molding products.
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