An apparatus for comminuting and treatment of solid body material, in particular plant for the control of the flue sig liquid level in such a device

摘要

1409840 Comminuting apparatus HOBART MFG CO 25 Sept 1973 [10 Jan 1973] 44893/73 Addition to 1409839 Heading B2A An apparatus of the kind disclosed in the parent Specification 1409839 has the tube leading to the pressure sensitive switch connected to the lower end of the tank at a location above the screen, 24 Fig. 1, surrounding the impeller. Thus comminuted slurry does not block the tube. In a further embodiment the apparatus is combined with an extraction press 62. The tube 70 is connected by a thinner pipe 73, which acts as a surge damper, to the switch device 74. A porous restrictor 72 is fitted adjacent the switch device 74.