Powder material circulation communication mutual preparation device

The utility model discloses a powder material circulating, communicating and mutual-preparing device. The device comprises a first powder storage tank, a first powder pressurizing tank, a first powderconveying tank, a second powder storage tank, a second powder pressurizing tank, a second powder conveying tank, a first communicating pipeline, a second communicating pipeline, a three-way valve, afirst combustor and a second combustor. Pulverized coal between the powder storage tanks can be transferred and prepared for each other under the condition of single set of parking or abnormal workingconditions. The pulverized coal circulating device is scientific and reasonable in structural design, simple and reliable to operate and capable of effectively realizing mutual standby application oftwo or three sets of pulverized coal circulating devices; the maintenance time is shortened, and the long-period safe and stable operation of the device is ensured. 本实用新型公开了一种粉体物料循环联通互备装置，包括第一粉料储罐、第一粉料加压罐、第一粉料输送罐、第二粉料储罐、第二粉料加压罐