Feeding device of polyimide production facility

The utility model discloses a feeding device of polyimide production facility, including founding square bucket groove, negative -pressure air fan, negative -pressure air fan's suction opening and the top port looks seals and docking who stands the square bucket groove, and suction opening department is equipped with and carries out the filter that separates with powder and air, upright square bucket groove is passed through the pipe connection and former pocket, and is in be provided with first valve on the pipeline. The pipe connection is passed through at the filter port with negative -pressure air fan to its technological effect to as for when square bucket inslot air is found in the extraction, can not extract up the raw materials. 本实用新型公开了种聚酰亚胺生产设备的加料装置，包括立方桶槽、负压风机，所述负压风机的抽风口与立方桶槽的顶部端口相密封对接，且在所述抽风口处设有能够将粉料与空气进行分离的过滤器，所述立方桶槽通过管道连接着原料袋，且在所述管道上设置有第阀门。其技术效果是将负压风机通过管道连接在过滤器端口，以至于在抽取立方桶槽内空气时，不会将原料抽取上来。