Patent ID: 7241322
Filing Date: 2007-07-10
Classification: C10J,F23G,Y02E,Y02P

Abstract:
1. A gasifier for pyrolyzing organic material, the gasifier comprising a plurality of individual modular cells, the individual cells joined together to form a furnace bed, each individual cell being completely lined with refractory material wherein each cell is provided with air injections means, and wherein the air injection means of each cell is controlled independently to provide individually controlled burn regions, the upper end of the gasifier being closed and sealed using a monolithic dome, the dome comprising a hemi-elliptical section, the hemi-elliptical section comprising a height to diameter ratio of at least 1 to 2, the dome being completely lined with refractory material, a cylindrical sidewall, the sidewall comprising a lower edge, an upper edge, and a refractory lined inner surface, wherein the lower edge of the sidewall is fixed to the furnace bed, the upper edge of the sidewall is fixed to the periphery of the monolithic dome, the sidewall centered on the vertical centerline of the gasifier.