| 摘要 |
PROBLEM TO BE SOLVED: To burn at a high temperature with a simple structure and to prevent a public pollution due to harmful gas by heating in a furnace body by a burner provided at a fuel injection cylinder, and switching to a hydrolyzed fuel to burn it after its internal temperature arrives at a predetermined temperature. SOLUTION: A furnace body 1 is formed by splitting into an upper half structure 1a and a lower half structure 1b. Conical oblique portions 3, 4 are respectively formed at both left and right ends of a cylinder 2 of the body 1. A small-diameter flame radiating cylinder 5 is projected ahead from the portion 3 and a fuel injecting cylinder 6 is projected ahead from the portion 4. Here, the body 1 is heated therein by a burner 16 from the portion 6. After the internal temperature arrives at 600 deg.C or above, the burner is switched to a hydrolyzed fuel nozzle 18, and continuously burned by the hydrolyzed fuel. The hydrolyzed fuel used in this case is obtained by mixing a gel 1 of a kerosene, a light oil, a heavy oil or the like to water 2 of a ratio. If the internal temperature arrives at 800 deg.C, the fuel is burned a mixing ratio of the gel with the water is set to 1:3.
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