| 摘要 |
PROBLEM TO BE SOLVED: To provide a low NOx radiant tube burner with a very simple structure and inexpensiveness by structuring a primary combustion chamber and a secondary air flowing route by inserting a fireproof dividing board inside the radiant tube burner. SOLUTION: A fireproof dividing board 6 is inserted inside a radiant tube 1 on the front of a fuel supplying part 5 for a burner and a combustion air supplying part 4. A first space and a second space are divided and structured by the fireproof dividing board 6, the first space 7 comprises a first combustion chamber by being arranged so that fuel from the fuel supplying part 5 is supplied to the first space 7 and the second space 8 comprises a secondary air flowing route.
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