Systems and Methods for Gas Combustion

Abstract

Devices and methods for mixing fuel and air are presented. A device may include an air pipe extending within a firing tube configured to receive a flow of air: and a plurality of fuel pipes extending within the firing tube in parallel with one another and with the air pipe and configured to receive a flow of fuel: wherein the air pipe includes first apertures configured to release the air from inside the air pipe radially outward from the air pipe. the first apertures arranged around a circumference of the air pipe, and wherein a first fuel pipe of the plurality of fuel pipes includes second apertures configured to release the fuel from inside the first fuel pipe radially outward from the first fuel pipe. the second apertures arranged around a circumference of the first fuel pipe.

1 . A device for mixing fuel and air, the device comprising:
 an air pipe extending within a firing tube configured to receive a flow of air; and   a plurality of fuel pipes extending within the firing tube in parallel with one another and with the air pipe and configured to receive a flow of fuel,   wherein the air pipe comprises first apertures configured to release the air from inside the air pipe radially outward from the air pipe, the first apertures arranged around a circumference of the air pipe, and   wherein a first fuel pipe of the plurality of fuel pipes comprises second apertures configured to release the fuel from inside the first fuel pipe radially outward from the first fuel pipe, the second apertures arranged around a circumference of the first fuel pipe.   
     
     
         2 . The device of  claim 1 , wherein the fuel pipes are arranged encircling the air pipe. 
     
     
         3 . The device of  claim 1 , further comprising a mesh material arranged encircling an exterior circumference of the firing tube. 
     
     
         4 . The device of  claim 3 , wherein the device has a length of 4-30 inches, and a ratio of a diameter of the plurality of fuel pipes to a diameter of the mesh material is 0.6-0.9. 
     
     
         5 . The device of  claim 1 , wherein the second apertures comprise a first aperture oriented in a first direction and a second aperture oriented in a second direction, wherein a second fuel pipe of the plurality of fuel pipes comprises a third aperture oriented in a third direction and a fourth aperture oriented in a fourth direction, and wherein the first direction, the second direction, the third direction, and the fourth direction are not oriented toward the air pipe. 
     
     
         6 . The device of  claim 5 , wherein the first apertures comprise a row of apertures parallel to a circumferential plane of the air pipe, and wherein a fifth aperture of the first apertures is oriented in a fifth direction between the first fuel pipe and the second fuel pipe. 
     
     
         7 . The device of  claim 6 , wherein the fifth direction is different than the first direction, the second direction, the third direction, and the fourth direction. 
     
     
         8 . A device for mixing fuel and air, the device comprising:
 an air pipe extending into a chamber and configured to receive a flow of air;   a fuel pipe extending through the chamber and into a firing tube and configured to receive a flow of fuel; and   a nozzle attached to the fuel pipe within the firing tube, the nozzle comprising an air distribution plate arranged within the firing tube and around an exterior circumference of the fuel pipe,   wherein the air distribution plate of the nozzle comprises first apertures configured to release the air from inside the chamber into the firing tube, and   wherein the nozzle comprises second apertures configured to release the fuel from inside the fuel pipe into the firing tube, the second apertures arranged around a circumference of the nozzle.   
     
     
         9 . The device of  claim 8 , wherein the second apertures are configured to release the fuel into the firing tube radially outward from the nozzle. 
     
     
         10 . The device of  claim 8 , wherein the first apertures are oriented toward a firing tube outlet portion attached to the firing tube, and wherein the firing tube outlet portion is configured to receive a flame from the firing tube, the air distribution plate being positioned within in the firing tube at a distance from the firing tube outlet portion. 
     
     
         11 . The device of  claim 10 , wherein the firing tube outlet portion is frustoconical. 
     
     
         12 . The device of  claim 10 , wherein the firing tube outlet portion is elliptical. 
     
     
         13 . The device of  claim 8 , wherein the air distribution plate of the nozzle is arranged at an angle with respect to an axis extending radially outward from the fuel pipe, the angle greater than zero. 
     
     
         14 . The device of  claim 8 , wherein the air distribution plate of the nozzle is arranged in parallel with respect to an axis extending radially outward from the fuel pipe. 
     
     
         15 . (canceled) 
     
     
         16 . A device for mixing fuel and air, the device comprising:
 an air pipe configured to receive a flow of air;   a fuel pipe extending within the air pipe and configured to receive a flow of fuel; and   stabilizer devices attached to an exterior circumference of the air pipe via arms extending between the stabilizer devices and the exterior circumference of the air pipe,   wherein the fuel pipe comprises first apertures configured to release the fuel from inside the fuel pipe into the air pipe, the first apertures arranged around a circumference of the fuel pipe, and   wherein the air pipe comprises second apertures configured to release the fuel from inside the air pipe toward the stabilizer devices.   
     
     
         17 . The device of  claim 16 , wherein a first aperture of the first apertures and a second aperture of the second apertures are aligned axially in a direction that is radially outward from the air pipe and the fuel pipe. 
     
     
         18 . The device of  claim 16 , further comprising nipples respectively connected to the first apertures and extending radially outward from the fuel pipe. 
     
     
         19 . The device of  claim 16 , wherein a first stabilizer device of the stabilizer devices, a first aperture of the first apertures, and a second aperture of the second apertures are axially aligned. 
     
     
         20 . The device of  claim 16 , wherein the stabilizer devices are hollow conical devices. 
     
     
         21 . The device of  claim 16 , wherein the first apertures comprise a first row of apertures and a second row of apertures, wherein the second apertures comprise a third row of apertures concentric with the first row of apertures and a fourth row of apertures concentric with the second row of apertures, wherein a first stabilizer device of the stabilizer devices is axially aligned with a first aperture of the first row of apertures and with a second aperture of the third row of apertures, and wherein a second stabilizer device of the stabilizer devices is axially aligned with a third aperture of the first row of apertures and with a fourth aperture of the third row of apertures. 
     
     
         22 - 23 . (canceled)