Fire grate sealing structure suitable for biomass straw furnace

The utility model relates to the technical field of fire grate sealing, in particular to a sealing structure between fire grates suitable for a biomass straw furnace, which can realize reliable sealing between the fire grates, avoid air leakage and reduce the emission load of nitrogen oxides, comprises fire grates, and is characterized in that a steel plate is fixed at the bottom of each fire grate, a support is installed on the steel plate, a through hole is formed in the support, a movable ejector rod is arranged in the through hole in a penetrating mode, a pressing block is arranged at the top of the ejector rod, a spring is arranged on the portion, between the pressing block and the support, of the ejector rod in a sleeved mode, and a filling rod in clearance fit with the fire grates is fixed to the top of the pressing block. 本实用新型涉及炉排密封技术领域，具体为一种适用于生物质秸秆炉的炉排间密封结构，其能够实现炉排间的可靠密封，不会出现漏风，降低氮氧化物排放量，其包括炉排，相邻的所述炉排之间留有间隙，其特征在于，所述炉排底部固定有钢板，所述钢板上安装有支架，所述支架上开设有通孔，所述通孔内贯穿设置有活动的顶杆，所述顶杆顶部设置有压块，所述压块与所述支架之间的所述顶杆部分套装有弹簧，