Bonfire oven

Abstract

A bonfire oven has a body placeable on the ground. The body has a combustion cabinet and an auxiliary equipment cabinet. A burner contained in the combustion cabinet has a fire grate, a side plate extending upward from the fire grate, a top plate opposite to the fire grate, a blowing space beneath the fire grate, and a hearth defined by the fire grate and the side plate. A fuel supply mechanism, an electrical equipment and an air blower is contained in the auxiliary equipment cabinet. The bonfire oven further has a flame portion on the top which is a flame roaring space formed by at least one piece of high temperature resistant glass.

1 . A bonfire oven for use with 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 placed on the ground levelly, a side extending upward from a peripheral of said bottom, and a top in communication with an upper peripheral of said side and opposite to said bottom, a door being provided in said side,   said combustion cabinet having a burner received therein, said burner having a fire grate, a side plate extending upward from a peripheral of said fire grate, a top plate on said side plate and opposite to said fire grate, a blowing space beneath said fire grate, and a hearth defined by said fire grate and said surrounding side plate, a blowing hole defined in said blowing space facing said auxiliary equipment cabinet, a front opening defined in said blowing space opposite to said blowing hole, a plurality of air vents being defined in said fire grate, a flame tube being in communication with said hearth being formed in said top plate above said hearth, a plurality of air holes being defined in a wall of said flame tube,   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 hearth, and a rotary vane feeder rotatably contained in said fuel tube,   said electrical equipment having an air blower in communication with said blowing hole, a feeding motor driving said rotary vane feeder, a power supply, and a switch, and,   a flame portion on said top of said body, said flame portion being a flame roaring space formed by at least one piece of high temperature resistant glass surrounding said flame tube.   
     
     
         2 . The bonfire oven as claimed in  claim 1 , wherein said flame portion is a glass tube. 
     
     
         3 . The bonfire oven as claimed in  claim 2 , wherein an inner glass tube having a basically same diameter as said flame tube and a height of 10-40 millimeter is provided in said glass tube. 
     
     
         4 . The bonfire oven as claimed in  claim 1 , wherein said flame portion is formed with at least three identical glass panes. 
     
     
         5 . The bonfire oven as claimed in  claim 4 , wherein each glass pane has an aperture with a neighboring glass pane. 
     
     
         6 . The bonfire oven as claimed in  claim 1 , wherein an ignition bar window is defined in said fire grate, and said electrical equipment further has an ignition bar being installed in said blowing space, said ignition bar being exposed to said hearth through said ignition bar window and powered by said power supply. 
     
     
         7 . The bonfire oven as claimed in  claim 1 , wherein outer region of said fire grate is oblique upward forming a central depression.