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Biomass generation system is divided into two parts: bottom slag handling system equipment and fuel conveying storage system equipment. According to the present condition, the bottom slag handling methods includes wet and dry slag handling methods, the former is to deliver the humidified slag to the storage field by SSC and chain conveyor equipment etc, while the latter is to deliver the bottom slag from boiler to storage field by slag cooler, scraper conveyor and bucket elevator etc after cooled. The fuel conveying storage system is mainly to convey the fuel to hopper by chain conveyor and screw conveyor etc, then send it to the furnace by screw conveyor.
Screw Conveyor
Screw conveyor is the key equipment of the fuel conveying storage system in biomass generation system and its function is to send the fuel to the hopper or convey the fuel from hopper to furnace by distribution and feeding of screw conveyor. As per the function it is divided into fetcher and conveyor. Due to the different quality of fuel, the design lead and height, the design position and the support method of screw piece of screw conveyor shall be different.
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