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Difference between revisions of "Calciner Dryers"
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[[File:Calcin1.jpg|thumb|200px|right|Calciner Dryer]] | |||
The '''Calciner Dryers''' are for high temperature processing from 1000°-2100°F with controlled atmospheres utilizing heat sources of gas, oil, and electric. | |||
They are very similar in design to rotary dryers, except that much higher temperatures are involved. Again these may be directly heated or indirectly, depending upon the specific application. | |||
==='''Directly Heated Calciners''' === | |||
The refractory lined rotating shell has no lifting flights. Forward flow of the material is effected by the slope and rotation of the shell. Located at the discharge end, a gas or oil burner enables temperatures up to 1650°C to be achieved. For certain applications, the atmosphere within the kiln can be controlled to give oxidising, or slightly reducing conditions. | |||
==='''Indirectly Heated Calciners'''=== | |||
Based on the design of the indirectly heated rotary dryer, the calciner is capable of operating at temperatures of 1100°C. Typical applications include: nickel catalysts; carbon regeneration, molecular sieves and china clay. | |||
=='''Video'''== | |||
<youtube>2ai9CgvoTFQ</youtube> | |||