一种以喷淋塔为加料仓的脱硫废水干燥节能减排系统

本发明公开了一种以喷淋塔为加料仓的脱硫废水干燥节能减排系统，其包括由依次连接的空气预热器、除尘器、引风机、脱硫塔和烟囱组成的烟气处理系统及用于对来自脱硫塔的脱硫废水进行沉淀、絮凝、软化处理的废水预处理单元、用作脱硫废水加料仓的喷淋塔、利用热空气对脱硫废水进行干燥处理并排出得到的结晶盐的干燥塔，废水预处理单元的输入端与脱硫塔的排水口连接，废水预处理单元的输出端与喷淋塔的进水口连接，喷淋塔的进烟口与引风机的出口连接，喷淋塔的出烟口与脱硫塔的进烟口连接，喷淋塔的出料口与干燥塔的进料口连接，干燥塔的空气入口引入热空气，干燥塔的空气出口与除尘器的入口连接；优点是其能耗低，安全性和可靠性高，成本低。 The invention discloses a desulfurization wastewater drying energy-saving and emission-reducing system with a spraying tower as a feeding bin. The system comprises a smoke treatment system, a wastewater pretreatment unit, the spraying tower and a drying tower, wherein the smoke treatment system is composed of an air preheater, a dust remover, an induced draft fan, a desulfurization tower and a chimney which are sequentially connected, the wastewater pretreatment unit is used for conducting precipitating, flocculating and softening treatment on desulfurization wastewater from the desulfurization tower, the spraying tower is used as the desulfurization wastewater feeding bin, and the drying tower is used for drying the