Multi-point pneumatic hammer environment-friendly overhead bunker for concrete mixing plant

The utility model relates to the technical field of concrete mixing plants, and discloses a multi-point pneumatic hammer environment-friendly overhead bunker for a concrete mixing plant, which is characterized in that an overhead bunker, a multi-point pneumatic hammer, a pipeline, an air storage tank, an air compressor and an active dust collection system form a three-dimensional grid high-power impact arch breaking system, the air compressor is placed on a platform at the top of the overhead bunker, and the pipeline is connected with the air compressor. The multi-point pneumatic hammer and the air storage tank form a high-speed high-pressure air impact arch breaking structure, the multi-point pneumatic hammer is communicated with the air storage tank through a pipeline, and a spraying spiral arm device with a self-rotating function is arranged at the position, easy to be connected with the arch, of a discharging port of the overhead bunker. The multi-point pneumatic hammer environment-friendly overhead bunke