Burner device having flame stabilization structure

Abstract

The present invention provides a burner device having a flame stabilization structure, the burner device including: a burner body having a first nozzle, a second nozzle, and a third nozzle through which gas is introduced, and also having a first body hole communicating with the first nozzle, second body holes communicating with the second nozzle, and a third body hole communicating with the third nozzle; an outer burner lower head disposed on the burner body, and having first outer flame holes and first inner flame holes; an outer burner upper head disposed on the outer burner lower head, and having second outer flame holes; an outer burner cap disposed on the outer burner upper head; an inner burner head disposed on the outer burner lower head, and having second inner flame holes; and an inner burner cap disposed on the inner burner head.

What is claimed is: 
     
         1 . A burner device having a flame stabilization structure, the burner device comprising:
 a burner body having a first nozzle, a second nozzle, and a third nozzle through which gas is introduced, and also having a first body hole communicating with the first nozzle, second body holes communicating with the second nozzle, and a third body hole communicating with the third nozzle;   an outer burner lower head disposed on the burner body, and having first outer flame holes and first inner flame holes;   an outer burner upper head disposed on the outer burner lower head, and having second outer flame holes;   an outer burner cap disposed on the outer burner upper head;   an inner burner head disposed on the outer burner lower head, and having second inner flame holes; and   an inner burner cap disposed on the inner burner head;   wherein the outer burner lower head comprises:   a first lower head hole communicating with the first body hole;   second lower head holes communicating with the second body holes;   a third lower head hole communicating with the third body hole;   a first lower side wall formed along an outer circumference of a surface of the outer burner lower head and formed to protrude vertically;   a second lower side wall formed inside the first lower side wall while being spaced apart from the first lower side wall and formed to protrude vertically;   a third lower side wall formed inside the second lower side wall while being spaced apart from the second lower side wall and formed to protrude vertically;   a gas passage formed between the second lower side wall and the third lower side wall;   a plurality of first protrusions formed on a surface of the first lower side wall; and   a plurality of inner protrusions formed on a surface of the third lower side wall;   wherein the first outer flame holes are spaces formed by a bottom surface of the outer burner upper head and the plurality of first protrusions;   wherein the first inner flame holes are spaces formed by a bottom surface of the inner head and the plurality of inner protrusions; and   wherein gas flowing in through the first lower head hole provides flames through the first outer flame holes and the first inner flame holes, respectively.   
     
     
         2 . The burner device of  claim 1 , wherein the outer burner lower head has a lower head plate formed in a planar shape, and the first lower head hole, the second lower head holes, and the third lower head hole are individually formed in the lower head plate. 
     
     
         3 . The burner device of  claim 1 , wherein the plurality of first protrusions have predetermined height and have predetermined intervals to each other. 
     
     
         4 . The burner device of  claim 1 , wherein the plurality of inner protrusions have predetermined height and have predetermined intervals to each other. 
     
     
         5 . The burner device of  claim 1 , wherein an upper side wall is formed along an outer circumference of an edge of the outer burner upper head and formed to protrude vertically, and a plurality of second protrusions having predetermined height and intervals to each other are formed on a surface of the upper side wall. 
     
     
         6 . The burner device of  claim 5 , wherein the plurality of second outer flame holes are formed by spaces formed by a bottom surface of an edge of the outer burner cap and the plurality of second protrusions. 
     
     
         7 . The burner device of  claim 6 , wherein gas flowing in through the upper head hole provides a flame through the second outer flame holes. 
     
     
         8 . The burner device of  claim 1 , wherein the inner burner head is disposed on the third lower side wall of the outer burner lower head. 
     
     
         9 . The burner device of  claim 8 , wherein the inner burner head has an inner head plate formed in a planar shape, and an inner head hole communicating with the third lower head hole of the outer burner lower head is formed in a center of the inner head plate. 
     
     
         10 . The burner device of  claim 9 , wherein an inner side wall is formed along an outer circumference of the inner burner head and formed to protrude vertically, and a plurality of third protrusions having predetermined height and intervals are formed on a surface of the inner side wall. 
     
     
         11 . The burner device of  claim 10 , wherein the plurality of second inner flame holes are formed by spaces formed by a bottom surface of the inner burner cap and the plurality of third protrusions. 
     
     
         12 . The burner device of  claim 1 , wherein:
 gas flowing in through the first nozzle flows in onto a lower head plate through the first body hole of the burner body and the first lower head hole of the outer burner lower head, moves along a surface of the lower head plate, and provides a simmer flame of the outer burner through the plurality of first outer flame holes formed by spaces between a plurality of first protrusions formed on a surface of the first lower side wall and a bottom surface of the outer burner upper head; and   gas flowing along a surface of the lower head plate is also transferred to an inside of the third lower side wall through the gas passage, and provides a simmer flame of the inner burner through a plurality of first inner flame holes formed by a bottom surface of the inner head and the plurality of inner protrusions.   
     
     
         13 . The burner device of  claim 12 , wherein gas flowing in through the upper head hole of the outer burner upper head provides a main flame of the outer burner through the second outer flame holes, and the main flame is maintained by a simmer flame of the first outer flame holes. 
     
     
         14 . The burner device of  claim 12 , wherein gas flowing in through the inner head hole of the inner burner lower head provides a main flame of the inner burner through the second inner flame hole, and the main flame is maintained by a simmer flame of the second inner flame hole. 
     
     
         15 . The burner device of  claim 1 , wherein the outer burner lower head has a lower expansion chamber including chamber outer walls, chamber inner walls, and a chamber flame hole. 
     
     
         16 . The burner device of  claim 15 , wherein:
 the chamber outer walls are formed to protrude vertically from a surface of the lower head plate, and are disposed to face each other while being spaced apart from each other;   first inlets are formed in the chamber outer walls, respectively, to allow gas moving along the surface of the lower head plate to flow in;   the chamber inner walls are formed to protrude vertically from the lower head plate inside the chamber outer walls;   the chamber inner walls are disposed to face each other while being spaced apart from each other and form a maintenance space therebetween to maintain a flame;   second inlets are formed in the chamber inner walls, respectively, to allow gas flowing in through the first inlets to flow into the maintenance space; and   the chamber flame hole is formed by an opening formed between portions where the chamber inner walls come into contact with the first lower side wall.   
     
     
         17 . The burner device of  claim 1 , wherein the outer burner upper head has an upper expansion chamber including chamber outer walls, chamber inner walls, and a chamber flame hole. 
     
     
         18 . The burner device of  claim 17 , wherein:
 the chamber outer walls are formed to protrude vertically from a surface of the upper head plate, and are disposed to face each other while being spaced apart from each other;   first inlets are formed in the chamber outer walls, respectively, to allow gas moving along the surface of the upper head plate to flow in;   the chamber inner walls are formed to protrude vertically from the upper head plate inside the chamber outer walls;   the chamber inner walls are disposed to face each other while being spaced apart from each other and form a maintenance space therebetween to maintain a flame;   second inlets are formed in the chamber inner walls, respectively, to allow gas flowing in through the first inlets to flow into the maintenance space; and   the chamber flame hole is formed by an opening formed between portions where the chamber inner walls come into contact with the first lower side wall.