| 摘要 |
An indirect heating-type combustion method by a radiant tube and a four-way switching valve is provided to maximize heat recovery through direct heat exchange of exhaust gas and combustion air by switched combustion and to make ambient temperature rise by heating the radiant tube via combustion gas passing through the radiant tube and executing heat transfer through circulation of air. In an indirect heating-type combustion method by a radiant tube(8) and a four-way switching valve(5), a heat storage burner system has a pair of burners(1,2) and the four-way switching valve installed to the middle part to achieve repeated combustion work. In the indirect heating-type combustion method, one of the burners stores heat by a heat storage body built in while the other of the burners supplies a heat source through combustion for predetermined time, and opposite working is executed by the four-way switching valve after predetermined time, and combustion gas of high temperature passes through the radiant tube between the burners.
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