Biomass chain boiler furnace structure

• Main Authors: QING CHUNYAO, SUO HUANING, LIU SHENGYONG, TAO HONGGE, XIA XUNING, WANG PENGXIAO, ZHANG PIN
• Format: Patent
• Language: English
• Published: 20.05.2015
• Subjects: BLASTING; CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FORCOMBUSTION CHAMBERS, e.g. FIREBRIDGES; COMBUSTION APPARATUS; COMBUSTION PROCESSES; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDEDFOR; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS INCOMBUSTION CHAMBERS; HEATING; LIGHTING; MECHANICAL ENGINEERING; METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTIONAPPARATUS; WEAPONS

The utility model discloses a biomass chain boiler furnace structure. The biomass chain boiler furnace structure comprises a chain fire grate, a front arch, a middle arch and a rear arch are sequentially arranged on the chain fire grate from front to back, a fuel layer area for containing a fuel layer is arranged on the upper side of the chain fire grate, the middle arch is composed of a vertical folding flame wall, the rear arch is composed of a transverse wall which is arranged on the rear side of the bottom of the folding flame wall and transversely extends in a front-and-back manner, and an arch crown is arranged between the front arch and the middle arch. A first combustion chamber is arranged between the front arch and the middle arch, a second combustion chamber is formed among the middle arch, the rear arch and the chain fire grate, a vertical rear furnace wall is arranged on the rear side of the rear arch, a third combustion chamber is arranged among the middle arch, the rear arch and the rear furnace wall, a smoke outlet is formed in the rear side of the top end of the third combustion chamber, a smoke outlet is formed in the top of the third combustion chamber, and the bottom of the third combustion chamber is provided with a smoke inlet communicated with the second combustion chamber. According to the biomass chain boiler furnace structure, fuel can be fully combusted in a boiler furnace, and the heat exchange efficiency is enhanced.