Continuous silicon powder pushing device

The utility model relates to a continuous silicon powder pushing device which comprises a hydrogen buffer tank, a silicon tetrachloride buffer tank, a hydrogen compressor, a silicon powder bin, a bin pump, a gas mixer, a silicon powder low-pressure hopper, a silicon powder high-pressure hopper and a fluidized bed reactor, the hydrogen compressor is respectively connected with the silicon powder low-pressure hopper, the silicon powder high-pressure hopper, the fluidized bed reactor and the gas mixer, the silicon tetrachloride buffer tank is connected with the input end of the gas mixer, and the output end of the gas mixer is connected with the bottom of the fluidized bed reactor; the silicon powder bin is connected with the input end of the silicon powder low-pressure hopper through the bin pump, the output end of the silicon powder low-pressure hopper is connected with the input end of the silicon powder high-pressure hopper, and the output end of the silicon powder high-pressure hopper is connected with the