Device for making powder before entering coal furnace

The utility model relates to a coal powder making device before a coal furnace. The utility model is characterized in that the powder making device before a coal furnace comprises an air compressor, a baffle plate type separator, a coal ingress pipe, a coal powder sorting machine, a coal mill, a cyclone separator, a cloth bag filter, an exhaust blower and a middle material bin, wherein the baffle plate type separator is connected with the air compressor through a conveying pipe, an inlet of the coal ingress pipe is connected with an outdoor coal feeding device, an outlet of the coal ingress pipe is connected with the lower part of the conveying pipe, a feeding opening of the coal powder sorting machine is connected with the baffle plate type separator through a conveying pipe, an inlet of the coal mill is respectively connected with the baffle plate type separator and the coal powder sorting machine through two conveying pipes, an outlet of the coal mill is connected with the coal powder sorting machine through a conveying pipe, an inlet of the cyclone separator is connected with the coal powder sorting machine through a conveying pipe, an inlet of the cloth bag filter is connected with the cyclone separator through a conveying pipe, an inlet of the exhaust blower is connected with the cloth bag filter, an outlet of the exhaust blower is communicated with the outside and the middle material bin is respectively connected with the cyclone separator and the cloth bag filter through two conveying pipes. The utility model which has the advantages of simple structure and low price can be widely used in front of various medium-sized and small coal powder furnaces for feeding coal powder.