Wear-resistant pulverized coal mixer description

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The fully negative pressure wear-resistant pulverized coal mixer is one of the forms of pulverized coal mixer. The original double-layer supporting plate is changed to a single supporting plate, and an arc-shaped steel plate is added to the back wall of the connection between the powder drop pipe and the mixer and inserted into the interior of the pulverized coal mixer to a certain depth, so that the primary air flowing through has a diversion effect on the powder drop pipe, completely eliminating the phenomenon of powder support. At the same time, the wear of the vertical pipe section from the lower part of the powder feeder to the connection with the primary air duct is reduced. When designing and selecting the pulverized coal mixer, it is necessary to ensure that it achieves reasonable flow characteristics, that is, the flow rate reaches certain requirements, so that the pulverized coal and air are well mixed, and the wear of the pipeline is controlled within a certain range. The wear-resistant ceramics embedded and welded inside the pulverized coal mixer increase its service life by 3-4 times.