| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an instrument for measuring SOcontent in exhaust gas, to provide a heavy fuel burning boiler system, and to provide an operation method of the heavy fuel burning boiler system.SOLUTION: An instrument for measuring SOcontent in exhaust gas includes: a first gas introduction line 14A which introduces exhaust gas 11 containing SOfrom a smoke path 12 and is provided with a first on-off valve 13A; an SOmeter 20 which is connected with the first gas introduction line and measures gaseous SO; first filter means 15A which is interposed to a first gas introduction line, captures dusts in the introduced exhaust gas 11a and, at the same time, causes gaseous SOand misty SOselectively to pass; first heating means 16A which heats a first heating area Lfrom the first gas introduction line to the first on-off valve to a temperature equal to a gas temperature of the exhaust gas in the smoke path and retains the gas temperature to a temperature equal to the gas temperature in the smoke path; and second heating means 16B which heats a second heating area Lfrom the first on-off valve of the first gas introduction line to an inlet of the SOmeter to such a temperature that SOretains a gaseous state in the gas introduction line and retains the temperature.</p> |
