Patent ID: 8261677
Filing Date: 2012-09-11
Classification: F23B,F23G

Abstract:
1. A gasification boiler for burning entire bales of straw at one time, the boiler comprising: a fuel and gasification chamber configured to receive an entire bale of straw at one time, the chamber closable by a filling door and having air feeds and depressions for collecting and holding ash resulting from the combustion of the bale of straw, the depressions disposed adjacent to a grating arranged at the bottom of the fuel and gasification chamber and configured to allow coarse straw ash particles to completely combust and not enter a flow of a combustion gas; a combustion chamber situated below the grating and configured to receive and combust the combustion gas; a secondary combustion chamber connected to an outlet of the combustion chamber configured to further receive and combust the combustion gas; and a cylindrical ash separator for collecting fine straw ash particles located downstream from the secondary combustion chamber and having an inlet connected at the top tangentially to an outlet of the secondary combustion chamber, the ash separator having an outlet connected to a heat exchanger.