... 2, 3 tooth harrow, a device 4, 5 devices, smashing rods 6, seal 7, stirring axis 8, transmission Rake vacuum dryerRake ... by the indirect steam heating, the rake teeth Uniform mixing, grinding rods to smash so that the materials in the water gasification ... 2, 3 tooth harrow, a device 4, 5 devices, smashing rods 6, seal 7, stirring axis 8, transmission Rake vacuum dryerApplication ...