THE HORIZONTAL RETORT BENCH
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fine coke from the coke-screens is elevated to a band conveyor and delivered to hoppers above the producers; the hoppers being supplied either with. these breeze screenings or with coke direct from the retorts, as may be desired.
THE KERPELY PRODUCER
The Kerpely producer was primarily designed for the gasification of low-grade fuels. It is fltted with a revolving grate of polygonal shape, placed eccentrically -on the water-trough. It has a continuous, and not an intermittent action in crushing
Fig. 63.—Chabging Flook or Kerpely Producer Installation.
any formation of clinker that may occur. The clinker when entering the ash zone is caught by the numerous edges of the revolving grate and is pressed liorizontally sideways against the seal apron, and is, consequently, broken or cn.ished into small fragments which, dropping into the water-trough, are removed by the ash-scraper. The latter automatically discharges the ash. and clinker accumulating in the bottom of the producer, and, being constructed to snit the shape of the ash-trough, the ash. is not only pushed aside, but piled up and continually discharged into an ash-shoot. The supply of air and steam to the producer is separately conveyed to the inner and o ut er sections of the grate, and, being transmitted through spaces between the plates