A forced reversal combustion chamber

Abstract

Burners, such as all kinds of fuel oil, gas and powdered coal, have combustion chambers for stabilizing combustion and air distribution. The invention discloses a forced reversal combustion chamber, which has a combustion chamber body, configured as a hollow cavity a plurality of swirl vanes for delivering combustion air into the combustion chamber, correspondingly provided on interior side of flame outlet end of the combustion chamber; in the middle of inner end of the combustion chamber, a fuel nozzle is provided, which inserts into interior wall of the combustion chamber and outlet of which extends through the interior wall of the combustion chamber; outlet end of the combustion chamber after mixing air and fuel is flame outlet. The forced reversal combustion chamber of the invention can provide good flame stabilization, high burn-off rate of fuel and good environmental protection property.

1 - 4 . (canceled) 
     
     
         5 . A forced reversal combustion chamber, the combustion chamber comprising:
 a combustion chamber body formed as a hollow cavity which is similar to an arcing shape formed by folding fingers towards a palm and symmetrically configured around a center of the palm; and   a plurality of swirl vanes that deliver combustion air into the combustion chamber, correspondingly provided on an interior side of a flame outlet end of the combustion chamber;   said plurality of swirl vanes comprising a plurality of secondary air swirl vanes for delivering radial secondary air into the combustion chamber, provided on the interior side of the flame outlet end of the combustion chamber.   
     
     
         6 . A forced reversal combustion chamber in accordance with  claim 5 , wherein in a middle of the inner end of the combustion chamber, a fuel nozzle is provided, the fuel nozzle inserts into the interior wall of the combustion chamber and an outlet of the fuel nozzle extends through the interior wall of the combustion chamber; and an outlet end of the combustion chamber that is a flame outlet, after mixing air and fuel. 
     
     
         7 . A forced reversal combustion chamber in accordance with  claim 6 , wherein said plurality of swirl vanes comprises a plurality of tertiary air swirl vanes that deliver tangential tertiary air to the flame, the tertiary air swirl vanes provided on the interior side of the flame outlet of the combustion chamber. 
     
     
         8 . A forced reversal combustion chamber in accordance with  claim 5 , wherein an air delivery channel is provided on the side of the hollow arcing cavity of the combustion chamber away from the flame; an air blower for delivering combustion air into the combustion chamber is provided inside the air delivery channel, an air outlet of which is disposed on an opposite cavity wall of the hollow arcing cavity of the combustion chamber.