Coal-fired power plant desulfurizing wastewater zero-discharge treatment process and equipment
A technology for desulfurization wastewater and coal-fired power plants, which is applied in gaseous discharge wastewater treatment, water/sewage treatment, water/sludge/sewage treatment, etc. many problems, to achieve the effect of saving the cost of softening agent, short process flow and low operating cost
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[0071]This embodiment provides a coal-fired power plant desulfurization wastewater zero-discharge treatment equipment and treatment process. The treatment equipment includes a wastewater evaporation and concentration unit and a wastewater spray drying unit;figure 1 As shown, the solid line segment in the figure represents the pipeline,figure 1 Only the pipelines connecting the devices in the wastewater evaporation and concentration unit and the wastewater spray drying unit are drawn. The structure of the wastewater evaporation and concentration unit is as followsfigure 2As shown, in order to clearly show the connection between the wastewater evaporation and concentration unit and the wastewater spray drying unit,figure 2The buffer tank 24 (belonging to the wastewater spray drying unit) is also drawn in.
[0072]Such asfigure 1 withfigure 2As shown, the wastewater evaporative concentration unit includes a wastewater regulating tank 11, a wastewater evaporator 12, and a crys...
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