Research On Strrcture Analysis, Flow And Heat Transfer Of Straight Platoon-type Flue Gas Desulfurization Tower

As flue gas desulfurization is one of the most effective means tocontrol SO2pollution, wet FGD technology is the main desulphurizationprocess of coal-fired power plants. As a core equipment of FGD, flue gasdesulfurization spray tower mainly includes the tower body, flue gasentrance, spray layer and demisting precipitator, etc.As a key connection of boiler and chimney, the construction andoperation of FGD tower is not only related to the environment benefits ofpower plants, but also to the safety and stability of the boiler in the plants.There s no doubt that it needs higher request on the optimization designof tower equipment. Tower equipment intensity is an important link in thedesign process. In the second chapter, I will check the strength13.5mstraight platoon-type FGD tower according to analysis design standard ofpressure vessel.Internal flow and heat transfer process of the desulfurization directlyinfluence pressure loss and desulfurization efficiency of thedesulfurization tower. Firstly, this paper research flow and heat transfer of the straight-platoon FGD tower by numerical simulation. Based on this,by changing the flue gas entry form, comparing and analyzing theinfluence to the internal flow field and the temperature field of the fluegas desulfurization entrance, we could obtain the flue gas entrance typetower with uniform gas flow field and without obvious the pressure loss.FGD tower with improved entrance not only strengthen the reaction masstransfer, but also create a good flow field conditions for demistingprecipitator playing higher demisting performance. This study canprovide the theory basis for the optimization design and technicaltransformation on desulfurization tower.