| 摘要 |
PURPOSE: A heat exchanger for a heater for agriculture is provided to cut down energy and to maximize thermal efficiency by swirling and reversing flame of a burner, by inducing perfect combustion with a combustion pipe and by lengthening staying time with heat exchanging rooms and pipes. CONSTITUTION: An end of a tubular combustion room(2) is closed. A first heat exchanging room(4) is installed to a tip of the combustion room. A tubular combustion pipe(3) is installed to an inner wall(41) of the first heat exchanging room to induce perfect combustion by swirling and reversing flame and heat with difference of air pressure. First, second, third and fourth heat exchanging rooms(5,6,7) are installed to upper and lower portions of front and rear portions of the combustion room in zigzags. First, second and third heat exchanging pipes(8,9,10) are installed to each heat exchanging room. Thereby, combustion heat generated from the combustion room passes first heat exchanging room, the first heat exchanging pipe, the second heat exchanging room, the second heat exchanging pipe, the third heat exchanging room, the third heat exchanging pipe and the fourth heat exchanging room in turn, and collected heat exhausted outside through an assembly exhaust pipe(71). Thereby, thermal efficiency is maximized by combusting perfectly and elongating staying time.
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