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1、摘 要哈密市位于新疆东部，天山山脉南麓，吐哈盆地的东部。东西长404公里，南北宽322公里。由于气候干燥，当地水资源紧缺，污水的处理和再利用问题已经迫在眉睫。本次毕业设计的题目为新疆哈密市某污水处理厂工程设计。主要任务是工艺流程选择及构筑物设计和计算。该污水处理厂工程，设计规模十万吨/日，采用卡鲁塞尔氧化沟工艺。该工艺具有工艺流程短、处理效果好、出水水质稳定、剩余污泥少、运行管理方便、基建与运行费用低等特点。该污水厂的污水处理流程为：从泵房提升到格栅流入沉砂池，进入氧化沟，二沉池，最后出水；污泥的流程为：从二沉池排出的剩余污泥首先进入浓缩池，进行污泥浓缩，再送至带式压滤机，进一步脱水后，污泥外
2、运。关键词:污水处理； 氧化沟； 污泥浓缩AbstractHamilton City is located in eastern Xinjiang, the southern foot of the Tianshan Mountains, Turpan-Hami Basin, eastern. Four hundred and four thousand kilometers from east to west, 322 kilometers from north to south. As the climate is dry, local water resource shortage. T
3、he problem of sewage treatment and reuse is quite pressing.The topic of this design is the design of sewage treatment plant in Hami City of Xinjiang. The main task is the selections of process flow and the designs and calculation constructions used in process flow.The sewage treatment plant project,
4、 the total amount to 100,000 tons a day.Use Carrousel oxidation ditch process. The process has the process short, good effect, stable water quality, less sludge, easy operation and management, infrastructure and low operation cost.The wastewater treatment plant sewage treatment process: upgrade to t
5、he grid from the pump into the grit chamber, into the oxidation ditch, secondary sedimentation tank, the final effluent; Sludge Process: two from the settling tank discharge of the first to reach the remaining sludge thickening tank, sludge thickening, and then enter Digester, After digestion of sludge sent to the belt filter presses, and further dehydration.Key words: Sewage Treatment；Oxidation Ditch； Sludge Thickening
