| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method for treating exhaust gas capable of stably maintaining the removal rate of harmful gas even just after dust removal operation with a bag filter. <P>SOLUTION: In this method for treating exhaust gas, a treating agent is injected from a treating tank 36 into exhaust gas containing harmful gas which passes through an inlet flue 12, thereafter, the exhaust gas is made to pass through the bag filter 10 of a poststage and a reactant between harmful gas and the treating agent is collected by the bag filter 10. Therein, the quantity of injection of the treating agent is temporarily increased by being linked with dust removal operation in the bag filter 10. The quantity of injection of the treating agent is controlled by increasing or decreasing the number of rotation of a rotary valve 38 disposed on the bottom part of the treating tank 36 by the use of a controller 34. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
