| 摘要 |
1306250 Gas burners MARTELL & CO 31 Dec 1970 [16 Jan 1970] 62027/70 Heading F4T In a burner for combustible gas, a mixture of gas and air is supplied via a nozzle 1 having helical passages 5 leading to outlet openings 9 within a combustion chamber 2 having a refractory wall in which an annular space 4 is provided surrounding the nozzle for the supply of additional combustion air. Nozzle 1 comprises a tube having a central body 6 force fitted in its end, the body 6 having its upper and lower parts 7 and 8 tapered. Several chambers may be grouped together and may be other than circular, for example, they may be hexagonal so that when placed beside one another, the dividing walls are of uniform thickness. |
