主权项 |
1. An oven without dust rise using biomass fuel comprising:
a body which is able to be placed on the ground, said body having a combustion cabinet and an auxiliary equipment cabinet, said combustion cabinet having a bottom which is able to be levelly placed on the ground, a side extending upward from a peripheral of said bottom, and a top in connection with an upper peripheral of said side and opposite to said bottom, an oven-top being defined in said top, said combustion cabinet having a burner received therein, said burner having a fire grate, an air supply zone being defined beneath said fire grate and burning zone being defined above said fire grate, a plurality of vent-holes being defined in said fire grate, said auxiliary equipment cabinet having a fuel supply mechanism and an electrical equipment received therein, said fuel supply mechanism having a hopper, a fuel tube having one end in communication with said hopper and a free end extending into said burning zone, and a rotary vane feeder rotatably received in said fuel tube, said electrical equipment having a suction fan, a feeding motor for driving said rotary vane feeder, an air blower for supplying air to said air supply zone, a power supply, a switch, and a power light, a dust removing device between said burner and said oven-top, said dust removing device having a cylindrical inner wall and a cylindrical outer wall between which an ventilation zone is defined, a circular slit being defined between said cylindrical inner wall and said cylindrical outer wall near said oven-top, a ventilating duct connecting said ventilation zone with a suction fan. |