Bin pump heat insulation device

The utility model discloses a bin pump heat insulation device, which refers to a heat insulation interlayer arranged on a bin pump body. The insulation interlayer is communicated with an air inlet pipe and an air outlet pipe; an air inlet valve is arranged on the air inlet pipe; and an air outlet valve is arranged on the air outlet pipe. Compared with the prior art, the bin pump heat insulation device can remove the temperature difference existing between the bin pump and dedusting ash, retain the temperature of the bin pump, and prevent dedusting ash from hardening caused by the temperature difference.