Circulating fluidized bed boiler coal slime adding system cutting device

The utility model relates to a cutting device for a coal slime adding system of a circulating fluidized bed boiler. The device is composed of a cutting support and a cutting welding part, and is characterized in that 1, the device is suspended below a coal slime port, the part between a coal slime outlet pipe and a dividing device is not closed, impurities and stones in coal slime cannot block theupper part of the device, and the problem of pipeline blockage caused by additionally arranging the dividing device in a coal slime pipeline is solved; the coal slime cutting device can be adjusted according to the pipe diameter of an outlet channel of a coal pipe, is simple to process and manufacture, is supported and welded in the coal slime pipe in a segmentation manner, adopts double groovesduring welding, is made of a high-temperature-resistant 310S material, meets the requirement on the strength of a welding part, and can adapt to complex stress change in a use process. And the cuttingblade is also made of a hi