Array type flue gas circulation gas burner

Abstract

The traditional flue gas internal circulation diffusion type gas burner has only one main flame, so that the proportion of internal circulation flue gas directly participating in the internal flame is very low, the present invention belongs to the technical field of gas burners, and particularly relates to an array type flue gas circulation gas burner, comprising single flue gas burning modules, wherein the flue gas burning modules are arranged in an annular array; each of the flue gas burning modules is capable of circulating flue gas separately; and the flue gas burning modules arranged in the array share a gas source and an air source.

1 . An array type flue gas circulation gas burner, comprising single flue gas burning modules, wherein the flue gas burning modules are arranged in an annular array; each of the flue gas burning modules is capable of circulating flue gas separately; and the flue gas burning modules arranged in the array share a gas source and an air source. 
     
     
         2 . The array type flue gas circulation gas burner according to  claim 1 , wherein each of the single flue gas burning modules is inclined outwards in a direction away from an annular center. 
     
     
         3 . The array type flue gas circulation gas burner according to  claim 1 , wherein the flue gas burning modules are fixedly connected to a mounting plate, the mounting plate is fixedly connected to a cylinder body, a partition board is provided inside the cylinder body, the interior of the cylinder body is divided by the partition board into a burning-supporting air chamber and a gas chamber, the burning-supporting air chamber is connected to a burning-supporting air inlet system, the gas chamber is connected to a gas inlet system, the flue gas burning modules penetrate through the mounting plate, and air inlet structures are respectively formed between the flue gas burning modules and the burning-supporting air chamber and between the flue gas burning modules and the gas chamber. 
     
     
         4 . The array type flue gas circulation gas burner according to  claim 3 , wherein each of the flue gas burning modules comprises an outer cylinder, the outer cylinder penetrates through the mounting plate and extends into the burning-supporting air chamber, a portion of the outer cylinder extending into the burning-supporting air chamber is connected to an air inlet cylinder, and an air inlet is formed in the air inlet cylinder; and
 a gas pipe is wrapped in the outer cylinder, and a tail end of the gas pipe penetrates through a cylinder wall of the outer cylinder and is in communication with the gas chamber.   
     
     
         5 . The array type flue gas circulation gas burner according to  claim 4 , wherein each of the air inlets is formed on one side of the air inlet cylinder, an adjustment cylinder is sleeved with the air inlet cylinder, an air inlet adjustment port corresponding to the air inlet is formed in the adjustment cylinder, the adjustment cylinder is fixedly connected to a first rotating shaft, the first rotating shaft is rotationally connected in the air inlet cylinder, the first rotating shaft and the air inlet cylinder are provided coaxially, and one end of the first rotating shaft penetrates through the air inlet cylinder to be connected to a driving mechanism. 
     
     
         6 . The array type flue gas circulation gas burner according to  claim 5 , wherein a burning head burning-supporting air inlet adjustment system for driving the first rotating shafts of all the flue gas burning modules is provided. 
     
     
         7 . The array type flue gas circulation gas burner according to  claim 6 , wherein the burning head burning-supporting air inlet adjustment system comprises an electric motor, the electric motor is fixedly connected to the cylinder body, an output end of the electric motor penetrates through the cylinder body to be coaxially and fixedly connected to a second rotating shaft, the second rotating shaft is fixedly connected to one end of a first swing arm, the first swing arm is provided in a radial direction of the second rotating shaft, the other end of the first swing arm is rotationally connected to a first connecting rod, at least one second swing arm is rotationally connected to the first connecting rod, the second swing arms and the first swing arm have equal lengths and are provided in parallel, each of the second swing arms is fixedly connected to one end of a third rotating shaft, all the third rotating shafts penetrate through a limiting column, the third rotating shafts are rotationally connected to the limiting column, the limiting column is fixedly connected to the cylinder body, the other end of each of the third rotating shafts is fixedly connected to one end of a third swing arm, the other end of each of the third swing arms is rotationally connected to a second connecting rod, at least one fourth swing arm is rotationally connected to each of the second connecting rods, the fourth swing arms and the third swing arms have equal lengths and are provided in parallel, and the fourth swing arms are fixedly connected to the first rotating shafts. 
     
     
         8 . The array type flue gas circulation gas burner according to  claim 4 , wherein each of the gas pipes comprises a main gas pipe and a central gas pipe wrapped in the main gas pipe, and tail ends of the main gas pipe and the central gas pipe respectively penetrate through the cylinder wall of the outer cylinder to be in communication with the gas chamber;
 a front end of the main gas pipe is fixedly connected to a conical rectifier, a burning-supporting air annular jet outlet is formed between the conical rectifier and the outer cylinder, a main gas jet pipe is provided on one side of the main gas pipe, and the main gas jet pipe extends out of the burning-supporting air annular jet outlet; and the central gas pipe penetrates through the conical rectifier and extends out from a front end of the conical rectifier.   
     
     
         9 . The array type flue gas circulation gas burner according to  claim 8 , wherein at least two positioning plates are provided on one side of each of the main gas pipes, and outer ends of the positioning plates abut against an inner wall of the outer cylinder.