Automatic opening and closing device of the top cover of the return hopper

摘要

The present invention relates to an automatic opening and closing device of the upper cover of the return coal treatment hopper, by installing a cover on the upper portion of the return coal treatment hopper so as to move freely along the rail, and by installing a control means at a predetermined position in association with the cover. The extruder detects the state of moving to the position of the return hopper to empty the body hopper so that the upper cover on the hopper can be automatically opened and closed, so that the upper side opening of the return hopper can always be kept closed. By preventing rainwater infiltration, the worker's manual work due to the formation of bamboo charcoal is eliminated. In addition to the infiltration of foreign matters, the safety of service platform pedestrians can be promoted, and the technology can prevent environmental pollution.