Biomass gasification system and opeating method thereof
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United States of America Patent
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Issued Date -
Jun 21, 2007
app pub date -
Feb 14, 2005
filing date -
Feb 20, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A biomass gasification system, which generates fuel gas from the thermal treatment of biomass in a gasification furnace thermally powered by a thermal airflow generator, incorporates a slag feed system which supplies slag S generated in the gasification furnace to the thermal airflow generator for use as combustible fuel therein. A vertical hopper is installed to the slag feed system for accumulating the slag to provide a sealing function which separates and seals the respective internal environments of the gasification furnace and thermal airflow generator. A detector is provided in the form of electrodes 9, 10 and 11 which are used to monitor the amount of slag in the vertical hopper by contacting the slag to establish conductivity in the electrode circuit.
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