| 摘要 |
PURPOSE:To contrive simultaneously an improvement in burning characteristics, smooth switchover of fuel from oil to slurry and reduction of NOX in exhaust gas, by providing a flow path and a blow-off opening making slurry fuel (slurry) and liquid fuel (other fuel) other than the slurry blow off without mixing them on a main body of an atomizer. CONSTITUTION:As fuel of two kinds are sprayed separately from a nozzle by providing separately flow paths for slurry 1 in an internal cylinder 4 and the other fule 3 in an external cylinder within a tripipe burner nozzle 12 in the inside of an air flow 14, supply, suspension and adjustment of a flow can be done separately, an exclusive use burner of oil for starting becomes unnecessary and complicated switchover operation through a plurality of burners becomes unnecessary also. As a sprayed particle of a slurry 8 and a sprayed particle 10 of the other fuel are mixed independently with the air flow 14 for combustion due to a matter that a blow-off opening 7A of the slurry 8 and a blow-off opening 9 of the other fuel 3 are so constituted that their blow-off axes do not cross each other, combustion characteristics are improved. In addition to the above, a reduction of nitrogen oxide becomes possible by varying a flow rate of air to the slurry and the other fuel by providing a partition 13 corresponding to the blow-off openings 7A, 9. |
