Inflammable chemical bin raw material nitrogen circulating conveying and recycling device

The utility model discloses an inflammable chemical bin raw material nitrogen circulating conveying and recycling device which comprises a raw material bin, a first material-gas separator is arranged on the upper portion of the raw material bin, a lower discharging port of the raw material bin is connected with a raw material transmitter, and a dust-free feeder is connected to an upper feeding port of the raw material bin through a first material conveying pipeline. The raw material transmitter is connected to the reaction kettle through a second material conveying pipeline, a second material-gas separator connected with the reaction kettle is arranged at the rear end of the second material conveying pipeline, and a raw material separation port of the second material-gas separator is connected with the reaction kettle; a nitrogen supplementing device is arranged at the front end of the first material conveying pipeline, and the nitrogen storage device is connected to the nitrogen supplementing device, the raw