F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
38/11, 39/39, 53
F27B 9/20 (2006.01) B01J 8/10 (2006.01) C22B 1/00 (2006.01) F26B 17/28 (2006.01) F27B 15/02 (2006.01)
Patent
CA 1165125
ABSTRACT OF THE DISCLOSURE Roller grate method and apparatus for simultaneously transporting, agitating and exchanging heat with a bed of solid mineral particles has elongated cylindrical horizontal rollers with gas passage apertures therethrough; a hopper for feeding mineral particles onto the rollers and forming a bed having a depth several times greater than the average diameter of the particles; a drive source to rotate the rollers and frictionally engage the cylindrical surfaces with the particles in the lowermost layer of the bed and urge the bed along a path of travel transverse to the axes of the rollers; elongated filler members disposed in the nip between adjacent rollers to prevent the particles from jamming the rollers and to provide resistance to the flow of the bed along said path of travel; and a heat chamber spanning the rollers and a fan for forcing a heat trans- fer gas stream through the gas passage apertures in the rollers and through the bed as it is being transported, the rollers and the filler members being adapted to continually agitate the particles and to slowly transport the bed past the gas stream at a velocity which is only a minor fraction of the peripheral velocity of the rollers.
375935
Faulkner Bobby P.
Lee George T.
Schumacher Peter L.
Weinecke Michael H.
Allis-Chalmers Corporation
Swabey Ogilvy Renault
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