| 摘要 |
PROBLEM TO BE SOLVED: To eliminate a pump circulating boiler water for cooling a combustion gas introduction part of a heat transfer tube. SOLUTION: This waste heat boiler device 10 has a gas chamber 12 at a bottom of a boiler 11, for supplying combustion gas 33. In the boiler 11, a heat transfer tube 20 is drawn inside a cooling chamber 14. A combustion gas introduction part 32 penetrated through a shutoff wall 16 and exposed in the gas chamber 12 is provided at the bottom of the heat transfer tube 20. A cooling structure having a cooling water flow path is installed to the combustion gas introduction part 32. A deaeration supply water is supplied to the cooling water flow path as cooling water. The deaeration supply water is supplied to the cooling chamber 14 as boiler water 15 after cooling the combustion gas introduction part 32. COPYRIGHT: (C)2004,JPO
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