Patent ID: 9255231
Filing Date: 2016-02-09
CPC Classification: C10J,Y02P

Claim Text:
1. A co-current fixed bed gasifier to convert biomass into synthesis gas and ash with aid of a gasification agent, the co-current fixed bed gasifier comprising: a reactor body having an upper portion with an inlet duct into which the biomass is introduced, and a lower portion with a synthesis gas evacuation duct through which the synthesis gas is evacuated and an ash evacuation duct through which the ash is evacuated; a first region for pyrolysis of the biomass; a second region for oxidation of the biomass; a third region for reduction; a grid having a plurality of openings through which the ash passes to be evacuated; and a device to introduce a gasification agent into the reactor body, the device including a cone to diffuse the gasification agent and which is located at an upper area of the second region, and an injector to inject the gasification agent.