Yellow phosphorus ore preprocessing device

The utility model provides a lower yellow phosphorus ore preprocessing device of energy consumption, includes: cyclone furnace and vertical calcining kiln, the top of calcining kiln does not communicate to the upper portion of cyclone furnace through first pipeline side direction ground, and the bottom of cyclone furnace communicates to the feed inlet of calcining kiln through the second pipeline, and the top of cyclone furnace is passed through the third pipeline and is communicate to the atmosphere, is equipped with the auger to feeding in the calcining kiln in the second pipeline, and first pipeline has a vertical section, feeder hopper and feeding side's pipe, feeding side's pipe favour vertical orientation setting, the one end and the feeder hopper intercommunication of feeding side's pipe, and other end intercommunication to vertical section, the intraductal unloading controlling means that is provided with in feeding side, unloading controlling means include the sleeve that the level set up, are provid