Heating – With means separating solid particles or slag from work... – With means passing separated solid to heating zone
Patent
1986-12-22
1988-03-01
Yuen, Henry C.
Heating
With means separating solid particles or slag from work...
With means passing separated solid to heating zone
432 79, 432 80, 34 20, F27D 1502, F27D 108
Patent
active
047282878
ABSTRACT:
Apparatus for cooling a bed of pyroprocessed particulate material such as lime received from a source as a kiln, the cooler including a shaft with one or more underlying hoppers through which the material flows as cooling air is forced upwardly therethrough. Each of the hoppers has an associated air inlet assembly comprising compactly stacked air inlet rings concentric with and symmetrically shaped to the hopper entry. The air inlet rings are supplied with air from ducts which are provided with dampers by which the amount of air fed to each horizontal cross sectional segment of the hopper can be controlled. A deflector ring formed of an inclined particle flow deflector surface equalizes the rate of draw above by modifying the relative areas affected. The hoppers are each provided with a conical dispersal section having a mated frustoconical underlying section whereby material from above is first caused to flow outwardly toward the walls of the hopper and then is guided in an annular path inwardly toward the hopper exit. An exit flow regulator in the form of a suspended body of revolution associated with the bottom of the frustoconical section is adjustable in horizontal position which provides a final degree of regulation of flow from above to the exit to establish a substantially uniform temperature of the flowing mass of material throughout its cross-section.
REFERENCES:
patent: 1304514 (1919-05-01), Schmatolla
patent: 3578297 (1971-05-01), Niems
patent: 4002422 (1977-01-01), Escott
patent: 4323384 (1982-04-01), Meunier
patent: 4360976 (1982-11-01), Meckel et al.
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