Granary storage environment monitoring device

The utility model relates to the technical field of granary equipment, and discloses a granary storage environment monitoring device which comprises a grain storage barrel, a supporting plate is fixedly installed on the inner wall of the grain storage barrel, a hollow rotating shaft is rotatably connected to the center of the supporting plate in a penetrating mode, and spiral blades are fixedly installed on the surface of the hollow rotating shaft. A temperature tester is fixedly installed on the surface of the grain storage barrel, a temperature measuring head is fixedly installed on the temperature tester through a data line, a protection pipe is fixedly installed on the outer side of the temperature measuring head, and the protection pipe penetrates through the center of the top of the grain storage barrel and is inserted into the hollow rotating shaft. The protection tube is inserted into the hollow rotating shaft, the temperature measuring head is inserted into the hollow rotating shaft, temperature meas