Thermoelectricity boiler deNOx systems's flow field optimizing apparatus

The utility model particularly relates to a thermoelectricity boiler deNOx systems's flow field optimizing apparatus has mainly solved thermoelectricity boiler SCR denitration flue gas stream field distribution unreasonable problem. The utility model discloses it is main including portable porous air distribution plate subassembly, high temperature resistant online flow velocity measuring instrument, catalyst layer access & exit sampling gun, catalyst layer access & exit survey hole, the electronic shutoff door of sampling tube, female pipe of taking a sample, sampling pump, flue gas analyzer,ammonia concentration on line analyzer, computer processing system etc, the utility model discloses according to data such as flue gas velocity, nitrogen oxide concentration and escape ammonia concentration, catalyst activity index that can the on -line computation different zone to automatic calculation flue gas flux dynamic allocation scheme, then use portable porous air distribution plate to adjust on line the flue ga