Flsmidth A/s

Mogens Juhl Föns

Niels Ole Cedergaard

Sten Mortensen

Described is a method as well as a cooler () for cooling hot particulate material which has been the subject of heat treatment in an industrial furnace, such as a rotary kiln () for manufacturing cement clinker, by which method the hot material from the kiln () is directed to an inlet grate () in the cooler (), in which cooling air from an underlying compartment () is led via a number of channels () through gaps () in the inlet grate for cooling the hot material and where compressed air from a separate system () via a number of ducts () can be intermittently injected into the material on the inlet grate (). The channels () for cooling air are blanked off in connection with the injection of compressed air.

Method and cooler for cooling hot particulate material

The invention Described is a device () for dividing a stream of particulate or pulverulent material into at least two substreams. The device has a housing () with a substantially vertical inlet duct () and two or more outlet ducts () emanating from separate openings, and being separated by partition walls () extending radially relative to the centreline of the inlet duct (). The device also has a rotor) which is located in immediate extension of the inlet duct (), with its axis of rotation coinciding with the centreline () of the inlet duct. The rotor () has a radially configured surface () for directing the falling material stream radially outwards into the free space () above the outlet ducts. The device is peculiar in that the radial partition walls () can be adjusted in the circumferential direction. The result will be a freely variable ratio between an arbitrary number of outlet substreams.

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Fårup, Denmark

Mogens Juhl Föns