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胶州市XXX镇水处理厂工艺方案第1页共10页目录第一项概述····································································································2一、概述········································································································································2二、设计依据································································································································3三、设计原则································································································································3四、设计范围································································································································4第二项工艺设计································································································4一、工艺论述································································································································41.1原水设计参数·······················································································41.2工艺选择·····························································································4二、工艺流程图····························································································································5三、各工艺单元去除效果表········································································································6四、各工艺单元说明····················································································································64.1预处理································································································64.2SBR法生物处理····················································································64.3污泥处理·····························································································6五、工艺设计及设备选型············································································································75.1格栅井································································································75.2调节池································································································75.3SBR池································································································75.4污泥浓缩池··························································································85.5污泥脱水系统·······················································································85.6设备房································································································9第三项经济分析································································································9一、价格概算································································································································9二、运行费用分析······················································································································102.1主要指标···························································································102.2运行费用分析·····················································································10胶州市XXX镇水处理厂工艺方案第2页共10页第一项概述一、概述北京XXXXX工程有限公司是中国XXXXX集团公司的直属企业，技术力量雄厚，拥有经验丰富的研究员、高级工程师，从事环保技术的研究，新产品的开发和设计，环境保护设施的运营等。公司具有环境污染防治工程（废水）甲级设计资质（编号：XXXX）；环境保护设施运营资质证书（编号：国环XXXX；市政建设工程施工贰级资质（编号：XXXXXXX），可以承担5万吨/日以下的污水处理工程和各类型室内净气及中水处理工程的施工。公司以航空系统的高技术、高质量、高效率为宗旨，竭诚为广大用户服务，为环境保护、造福人类做贡献。几年来，公司承担了各类供水、工业及生活污水处理工程，技术质量优良，经各地环保部门监测合格，均在正常运行中，如：XXXXX食品有限公司生产废水处理工程、泰国XXXX水处理工程、约旦XXXXX城市污水处理厂、XXXXX生活污水处理厂、山东XXXXX有限公司污水处理工程、青岛XXXX造有限公司污水处理工程等等。青岛XXXX工程有限公司是总公司为了拓展山东市场，开展山东地区的环保业务而设立的分支机构，主要承接山东地区的环保工程。由总公司为其提供技术支持、技术监督及工程服务，从设计、施工、调试、售后服务等几个重要环节，严格把关，科学管理，要求分公司的一切行为都必须按照总公司的规范进行。胶州市XXX镇水处理厂工艺方案第3页共10页二、设计依据2.1污水水量工程设计处理水量：100m3/d2.2污水水质污水水质为：CODCr≤600mg/lSS≤200mg/lNH3—N≤70mg/lPH：6～92.3处理后可排放水水质污水经处理后，出水水质应满足如下控制指标：CODCr≤150mg/lSS≤150mg/lPH：6—92.4其它设计基础资料□给排水设计手册□厂方提供的有关技术参数及要求□土建成本估算中的地基处理，因没有地质资料，暂按亚粘土地基考虑，地耐力要求120kn/m2。土建造价按常规，降水费未计。□电费：0.7元/度三、设计原则3.1确保处理能力与出水水质3.2节约能耗，降低运行成本3.3易于操作，易于运行胶州市XXX镇水处理厂工艺方案第4页共10页3.4尽量减少占地面积四、设计范围4.1水处理部分自废水进入污水处理厂格栅井开始，经各处理单元后，至标准化排放口为止。4.2其它部分包括建筑结构、电气自控、照明等。第二项工艺设计一、工艺论述1.1原水设计参数原水为胶州市XXXX有限公司及其附近几家企业的生产生活污水。1.2工艺选择原水主要为食品生产废水、厂区生活污水及少量机械加工废水。污水总水量较小，间歇排放，水质可生化性较好，水中含总氮、有机物等污染类物质。基于污水的上述特点，采用可根据具体污水性质、出水质量与运行功能要求灵活运行的间歇式活性污泥法（SBR法）。SBR池采用悬浮生长活性污泥型好氧生物法，活性污泥由好氧和兼性微生物（包括细菌、真菌、原生动物和后生动物）及其代谢的和吸附的有机物、无机物组成，具有降解废水中有机物（也有些可部分利用无机物）的能力，显示生物化学活性。污水的净化过程分为吸附、代谢和固液分离三个阶段。在SBR池中，完成曝气降解和固液分离处理程序。胶州市XXX镇水处理厂工艺方案第5页共10页SBR法的运行序列间歇操作为主要特征，其运行方式可根据进水污水水质及出水质量灵活调控。它相对于连续式活性污泥法相比，具有如下特点：生化反应推动力大、效率高；污泥不易膨胀；耐冲击负荷、处理能力强；脱氮除磷效果显著；无需加设污泥回流设施、节约费用等。因此确定该污水处理流程中的核心处理工艺为曝气调节—SBR法—规范化排放。二、工艺流程图生产废水格栅曝气调节池污泥浓缩池SBR池鼓风机厢式压滤机巴式槽泥饼外运达标排放滤液回流至调节池胶州市XXX镇水处理厂工艺方案第6页共10页三、各工艺单元去除效果表指标原水曝气调节池SBR池COD60057085去除率/585BOD27024513去除率/1095SS200/50去除率///四、各工艺单元说明4.1预处理格栅起去除污水中固体杂物，纤维状杂质的作用，防止此类物质进入调节池，堵塞污水泵和曝气设备。设人工格栅一道。预曝气调节池主要用于储存污水，起均化水质，调节水量的作用。内设穿孔管充氧曝气，可降低水中的BOD、COD的浓度，避免污水厌氧。4.2SBR法生物处理调节池出水提升至SBR池进行生物处理。SBR池采用悬浮生长活性污泥型好氧生物法，活性污泥由好氧和兼性微生物（包括细菌、真菌、原生动物和后生动物）及其代谢的和吸附的有机物、无机物组成，具有降解废水中有机物（也有些可部分利用无机物）的能力