| 摘要 |
The apparatus heats the air supplied from a circulating pipe (7) using the heat of the exhaust gas, and delays the time for passing the exhaust gas through a combusting cylinder (3), so that the apparatus increases the combustion efficiency and perfectly combusts the exhaust gas. The combustion apparatus comprises a plurality of longitudinally directed holes (4) having larger cross-section area than a exhuast gas pipe (5) in order to delay the time of the exhaust gas passage, a circulating pipe (7) zig-zag formed within another exhaust gas (6), and an air infusion pipe (9) connected to the circulating pipe (7) through a connection pipe (8).
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