| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an effective exhaust gas treatment method and device in which dioxin can be reduced considering a flying ash treatment. SOLUTION: This device comprises a desuperheating tower 1 cooling the exhaust gas including harmful components to 130 to 180 deg.C, a bag filter 2 dust collecting soot and dust in the exhaust gas cooled by the desuperheating tower 1 by a filtration method, and a calcium hydroxide spray device 3a spraying calcium hydroxide to the exhaust gas in which soot and dust are removed by the bag filter 2. Further, a reaction bag filter 3 for removing acidic components in the exhaust gas by the calcium hydroxide from the calcium hydroxide spray device 3a is provided.</p> |
