Biomass fuel oven

Abstract

A biomass fuel oven for use with biomass fuel granule. The oven has a body which is able to be levelly placed on the ground. The body has a combustion cabinet and an auxiliary equipment cabinet. The combustion cabinet has a burner received therein. The burner has a fire grate. A burning zone is defined beyond the fire grate and an air supply zone is defined below the fire grate. A plurality of air vents is defined in the fire grate. An air supply device is provided at the burning zone. The air supply device has a tubular inner wall and an air chamber surrounding the tubular inner wall. The air supply zone is in communication to the air chamber and is supplied air by an air blower via an air duct.

1 . A biomass fuel oven for use with biomass fuel ( 70 ) granule and comprising:
 a body ( 1 ) which is able to be levelly placed on the ground, said body ( 1 ) having a top panel ( 11 ) and a side panel ( 12 ) extending downward to the ground from said top panel ( 11 ) and having a combustion cabinet ( 10 ) and an auxiliary equipment cabinet ( 20 ), said combustion cabinet ( 10 ) having a burner ( 30 ) received therein, said burner ( 30 ) having a fire grate ( 31 ), a burning zone ( 32 ) being defined beyond said fire grate ( 31 ), an air supply zone ( 33 ) being defined below said fire grate ( 31 ), a plurality of air vents ( 311 ) being defined in said fire grate ( 31 ), an air supply device ( 40 ) being provided at said burning zone ( 32 ), said air supply device ( 40 ) having a tubular inner wall ( 41 ) and an air chamber ( 42 ) surrounding said tubular inner wall ( 41 ), said air supply zone ( 33 ) being in communication to said air chamber ( 42 ) and being supplied air by an air blower ( 51 ) via an air duct ( 34 ), said auxiliary equipment cabinet ( 20 ) having an electrical equipment ( 50 ) received therein, said electrical equipment ( 50 ) having said air blower ( 51 ), a power supply ( 52 ), and a switch ( 53 ), at least one row of clockwise deflecting devices ( 43 ) and at least one row of anticlockwise deflecting devices ( 44 ) are formed on said tubular inner wall ( 41 ) of said air supply device ( 40 ).   
     
     
         2 . The biomass fuel oven as claimed in  claim 1 , wherein each row of said clockwise deflecting devices ( 43 ) has a plurality of first slit ( 431 ), on an outer surface of said tubular inner wall ( 41 ), a plurality of first deflectors ( 432 ) being respectively formed on one same side of said first slits ( 431 ), each said first deflector ( 432 ) extends towards corresponding said first slit ( 431 ) and having an angle “a” with respect to an outer surface of said tubular wall ( 41 ), angle “a” being between 0 and 90 degree, and each row of said anticlockwise deflecting devices ( 44 ) has a plurality of second slit ( 441 ), on said outer surface of said tubular inner wall ( 41 ), a plurality of second deflectors ( 442 ) being respectively formed on one same side different from said side of said first deflectors ( 432 ) of said second slits ( 441 ), each said second deflector ( 442 ) extends towards corresponding said second slit ( 441 ) and having an angle “b” with respect to said outer surface of the tubular wall, angle “b” being between 0 and 90 degree. 
     
     
         3 . The biomass fuel oven as claimed in  claim 1 , wherein said tubular inner wall ( 41 ) further has a plurality of turbulent air supplier ( 45 ) defined therein. 
     
     
         4 . The biomass fuel oven as claimed in  claim 2 , wherein said tubular inner wall ( 41 ) further has a plurality of turbulent air supplier ( 45 ) defined therein. 
     
     
         5 . The biomass fuel oven as claimed in  claim 3 , wherein said turbulent air supplier ( 45 ) has a plurality of turbulent holes ( 451 ) defined in said tubular inner wall ( 41 ). 
     
     
         6 . The biomass fuel oven as claimed in  claim 4 , wherein said turbulent air supplier ( 45 ) has a plurality of turbulent holes ( 451 ) defined in said tubular inner wall ( 41 ). 
     
     
         7 . The biomass fuel oven as claimed in  claim 3 , wherein said turbulent air supplier ( 45 ) is a thin tube ( 452 ) in communication to said air chamber ( 42 ) and having a plurality of turbulent holes ( 451 ′) defined therein. 
     
     
         8 . The biomass fuel oven as claimed in  claim 4 , wherein said turbulent air supplier ( 45 ) is a thin tube ( 452 ) in communication to said air chamber ( 42 ) and having a plurality of turbulent holes ( 451 ′) defined therein. 
     
     
         9 . The biomass fuel oven as claimed in  claim 3 , wherein said turbulent air supplier ( 45 ) is a plurality of thin tubes ( 453 ) extending into said tubular inner wall ( 41 ) and having turbulent holes ( 451 ″) at free ends thereof. 
     
     
         10 . The biomass fuel oven as claimed in  claim 4 , wherein said turbulent air supplier ( 45 ) is a plurality of thin tubes ( 453 ) extending into said tubular inner wall ( 41 ) and having turbulent holes ( 451 ″) at free ends thereof. 
     
     
         11 . The biomass fuel oven as claimed in  claim 3 , wherein said turbulent air supplier ( 45 ) is two thin tubes ( 454 ) in communication to said air chamber ( 42 ) extending into said tubular inner wall ( 41 ) and being in communication to a circular thin pipe ( 455 ) having a plurality of turbulent holes ( 451 ′″). 
     
     
         12 . The biomass fuel oven as claimed in  claim 4 , wherein said turbulent air supplier ( 45 ) is two thin tubes ( 454 ) in communication to said air chamber ( 42 ) extending into said tubular inner wall ( 41 ) and being in communication to a circular thin pipe ( 455 ) having a plurality of turbulent holes ( 451 ′″). 
     
     
         13 . A biomass fuel oven for use with biomass fuel ( 70 ) granule and comprising:
 a body ( 1 ) which is able to be levelly placed on the ground, said body ( 1 ) having a top panel ( 11 ) and a side panel ( 12 ) extending downward to the ground from the top panel ( 11 ) and having a combustion cabinet ( 10 ) and an auxiliary equipment cabinet ( 20 ), said combustion cabinet ( 10 ) having a burner ( 30 ) received therein, said burner ( 30 ) having a fire grate ( 31 ), a burning zone ( 32 ) being defined beyond said fire grate ( 31 ), an air supply zone ( 33 ) being defined below said fire grate ( 31 ), a plurality of air vents ( 311 ) being defined in said fire grate ( 31 ), an air supply device ( 40 ) being provided at said burning zone ( 32 ), said air supply device ( 40 ) having a tubular inner wall ( 41 ) and an air chamber ( 42 ) surrounding said tubular inner wall ( 41 ), said air supply zone ( 33 ) and said air chamber ( 42 ) being respectively in communication to said air blower ( 51 ), said auxiliary equipment cabinet ( 20 ) having an electrical equipment ( 50 ) and a fuel supply mechanism ( 60 ) received therein, said fuel supply mechanism ( 60 ) has a hopper ( 61 ) having a lower outlet ( 611 ), a fuel tube ( 62 ) having one end in communication to said lower outlet ( 611 ) of said hopper ( 61 ) and a free end extending into said burning zone ( 32 ), and a rotary vane feeder  63  rotatably received in said fuel tube ( 62 ), said electrical equipment ( 50 ) having said air blower ( 51 ), a power supply ( 52 ), and a switch ( 53 ), at least one row of clockwise deflecting devices ( 43 ) and at least one row of anticlockwise deflecting devices ( 44 ) are formed on the tubular inner wall ( 41 ) of the air supply device ( 40 ).   
     
     
         14 . The biomass fuel oven as claimed in  claim 13 , wherein each row of said clockwise deflecting devices ( 43 ) has a plurality of first slit ( 431 ), on an outer surface of said tubular inner wall ( 41 ), a plurality of first deflectors ( 432 ) being respectively formed on one same side of said first slits ( 431 ), each said first deflector ( 432 ) extends towards corresponding said first slit ( 431 ) and having an angle “a” with respect to an outer surface of said tubular wall ( 41 ), angle “a” being between 0 and 90 degree, and each row of said anticlockwise deflecting devices ( 44 ) has a plurality of second slit ( 441 ), on said outer surface of said tubular inner wall ( 41 ), a plurality of second deflectors ( 442 ) being respectively formed on one same side different from said side of said first deflectors ( 432 ) of said second slits ( 441 ), each said second deflector ( 442 ) extends towards corresponding said second slit ( 441 ) and having an angle “b” with respect to said outer surface of the tubular wall, angle “b” being between 0 and 90 degree. 
     
     
         15 . The biomass fuel oven as claimed in  claim 13 , wherein said tubular inner wall ( 41 ) further has a plurality of turbulent air supplier ( 45 ) defined therein. 
     
     
         16 . The biomass fuel oven as claimed in  claim 14 , wherein said tubular inner wall ( 41 ) further has a plurality of turbulent air supplier ( 45 ) defined therein. 
     
     
         17 . The biomass fuel oven as claimed in  claim 15 , wherein said turbulent air supplier ( 45 ) has a plurality of turbulent holes ( 451 ) defined in said tubular inner wall ( 41 ). 
     
     
         18 . The biomass fuel oven as claimed in  claim 16 , wherein said turbulent air supplier ( 45 ) has a plurality of turbulent holes ( 451 ) defined in said tubular inner wall ( 41 ). 
     
     
         19 . The biomass fuel oven as claimed in  claim 15 , wherein said turbulent air supplier ( 45 ) is a thin tube ( 452 ) in communication to said air chamber ( 42 ) and having a plurality of turbulent holes ( 451 ′) defined therein. 
     
     
         20 . The biomass fuel oven as claimed in  claim 16 , wherein said turbulent air supplier ( 45 ) is a thin tube ( 452 ) in communication to said air chamber ( 42 ) and having a plurality of turbulent holes ( 451 ′) defined therein. 
     
     
         21 . The biomass fuel oven as claimed in  claim 15 , wherein said turbulent air supplier ( 45 ) is a plurality of thin tubes ( 453 ) extending into said tubular inner wall ( 41 ) and having turbulent holes ( 451 ″) at free ends thereof. 
     
     
         22 . The biomass fuel oven as claimed in  claim 16 , wherein said turbulent air supplier ( 45 ) is a plurality of thin tubes ( 453 ) extending into said tubular inner wall ( 41 ) and having turbulent holes ( 451 ″) at free ends thereof. 
     
     
         23 . The biomass fuel oven as claimed in  claim 15 , wherein said turbulent air supplier ( 45 ) is two thin tubes ( 454 ) in communication to said air chamber ( 42 ) extending into said tubular inner wall ( 41 ) and being in communication to a circular thin pipe ( 455 ) having a plurality of turbulent holes ( 451 ′″). 
     
     
         24 . The biomass fuel oven as claimed in  claim 16 , wherein said turbulent air supplier ( 45 ) is two thin tubes ( 454 ) in communication to said air chamber ( 42 ) extending into said tubular inner wall ( 41 ) and being in communication to a circular thin pipe ( 455 ) having a plurality of turbulent holes ( 451 ′″).