Feeding channel of biomass recirculating fluidized bed boiler

• Main Authors: LIANG CHANG, LONG SHUANGJUN, LIU WEN, LI XIUJIANG, XIAO ZHONGLIANG, QIAO HAIXIANG, HE XIN, CHEN HAIDONG
• Format: Patent
• Language: Chinese; English
• Published: 10.08.2011
• Subjects: AIR; BLASTING; COMBUSTION APPARATUS; COMBUSTION PROCESSES; HEATING; LIGHTING; MECHANICAL ENGINEERING; METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN; WEAPONS

The utility model relates to a feeding channel of a biomass recirculating fluidized bed boiler, comprising a heat-insulating section and a blanking section; the blanking section is provided with a fire-proof door, a splicing connector and an aperture door, a wind room is arranged at the lower side surface of the heat-insulating section, the inner layers of other side surfaces of the heat-insulating section are made of plasticized wear-resistant material, the middle layers of the other side surfaces are provided with insulating bricks, and the outer layers of the other side surfaces are provided with metal plates, a channel is gradually enlarged in space along the blanking direction, two material throwing tuyeres are arranged at the lower side of a furnace feeding hole and are communicated with the wind room, high-pressure wind in a blast pipe is blown into a furnace through the material throwing tuyeres after being preheated by the wind room. The feeding channel of the biomass recirculating fluidized bed boil