阳泉市给水处理工程设计.doc

1、图书分类号：密 级：毕业设计(论文)半岛蓝湾大酒店给水排水工程设计THE DESIGN OF BUILDING WATER AND WASTEWATER ENGINEERING FOR THE PENINSULA ISLAND RESORT HOTEL 学生姓名学院名称专业名称指导教师20xx年月日xxx学院学位论文原创性声明本人郑重声明： 所呈交的学位论文，是本人在导师的指导下，独立进行研究工作所取得的成果。除文中已经注明引用或参考的内容外，本论文不含任何其他个人或集体已经发表或撰写过的作品或成果。对本文的研究做出重要贡献的个人和集体，均已在文中以明确方式标注。本人完全意识到本声明的法律结果

2、由本人承担。论文作者签名： 日期： 年 月 日xxx学院学位论文版权协议书本人完全了解徐州工程学院关于收集、保存、使用学位论文的规定，即：本校学生在学习期间所完成的学位论文的知识产权归徐州工程学院所拥有。徐州工程学院有权保留并向国家有关部门或机构送交学位论文的纸本复印件和电子文档拷贝，允许论文被查阅和借阅。徐州工程学院可以公布学位论文的全部或部分内容，可以将本学位论文的全部或部分内容提交至各类数据库进行发布和检索，可以采用影印、缩印或扫描等复制手段保存和汇编本学位论文。论文作者签名： 导师签名： 日期： 年 月 日 日期： 年 月 日摘要本设计是山东省阳泉市给水工程设计,该设计日处理能力为95

3、000m3，主要包括：取水工程、净水工程和输配水工程。根据设计原始资料中的用水量、水质、水体资料等选择首先进行用水量计算，编制出城市总用水量计算表，确定设计规模；其次确定城市给水系统的水源选择，水源位置，取水方式，输配水方式；城市净水厂方案选择与比较，净水厂扩大初步设计；城市输水管与给水管网的设计；二泵房工艺设计；最后编写设计说明书绘制图纸。取水构筑物设计采用岸边式构筑物，取水泵站设计按远期规模99750 m3/d，考虑到水厂自用水量，泵房共布置4台350S16型水泵，3用1备，每台流量1260 L/s，扬程16 m，配套电机为：Y280S-4。选用D371X手动对夹式蜗杆传动蝶阀，DN600

4、。泵房机器间面积定为15m10m，水泵安装高度为4.6m，选用CD26D型电动葫芦，起重量2吨，起升高度9m。原水输送采用两根DN800的球墨铸铁管。阳泉市净水厂采用的净水工艺流程图如下： 水厂设计水量为99750m3/d，设计选用聚合氯化铝作为混凝剂，采用湿投法自动控制投药，药剂最大日投加量为0.46L/s。机械絮凝池2系列，每组分3格，每组设计水量为1740 m3/d，每格平面尺寸为4.8 m4.8 m，总深4.8m。絮凝池采用机械式，絮凝时间为19min。池分格墙上设过水孔道连接，过水孔道上下交错布置。平流沉淀池设2座，设两组平流沉淀池，一系列反应池对应一个沉淀池，则单池流量Q为2078

5、m3/h，即0.577m3/s，每组平面尺寸为100.8 m14m，总深3.9m。水平流速0.014m/s，停留时间2 h。沉淀池进水采用穿孔花墙配水，孔口流速为0.2 m/s。普通快滤池设6个，单格滤池面积为81m2，滤池总高为3.1m，平面尺寸为9.0m9.0m，设计滤速为8m/h，反冲洗强度为14L/(sm2)，滤料层厚度为0.7m，单池中配水管根数有72根，配水支管上单个孔口面积为78.5mm2，孔口总数为2580个，孔口平均水头损失为3.5m。消毒剂采用液氯。加氯点设置为滤后水加氯。加氯量为4.16kg/h。选用ZJ-II 型转子真空加氯机2台,1用1备，每台加氯机加氯量为0.5-9

6、kg/h。清水池设计2座。单个清水池容积为4987.5 m3，单座平面尺寸为30 m42 m，有效水深4.0 m。进水管直径为1000，进水管实际流速为0.74m/s，溢流管直径为1000,出水管直径为1200，排水管直径为900。送水泵站采用单级双吸式离心泵，泵房内共设7台300S58型号的水泵，5用2备，流量为576L/S，扬程为65m。配套电动机型号为JSQ158-4。选用D371X手动对夹式蜗杆传动蝶阀，DN600。选用CD26D型电动葫芦，起重量2吨，起升高度9m。泵房机器间面积定为30m10m，水泵安装高度为4.2m。输配水工程主要包括管网的定线和管网的水力平衡计算。清水输水管道采

7、用DN900钢管，总长为300 m。配水管网布置成环状，由送水泵站统一输水。关键词 净水厂；输配水工程；机械絮凝池；平流沉淀池；普通快滤池IVAbstractThis design is the Shandong province Yangquan city water supply engineering design, the design daily processing capacity of 95000m3, mainly including: water engineering, water engineering and water transmission and distri

8、bution engineering.According to the original design data of water, water quality, water use data selection first with water quantity calculation, developed the city water consumption calculation, determination of design scale; secondly to determine the source selection, city water supply system wate

9、r location, water, water distribution mode; choice of city waterworks and comparison, net water expanded preliminary design; design of city water pipe and water pipe network of the two pumping station; process design; finally, write design specification drawings.The water intake structure designed b

10、y the shore type structure, Water pump station is designed according to the long-term scale of 99750 m3/d, taking into account the water consumption, the pump is arranged 4 pumps, 3 prepared with 1, each flow 1260 L/s, head 16 m, matching motor for: Y280S-4. The D371X manual clamping type worm drive

11、 butterfly valve, DN600. Pump machine area is 15m * 10m, pump mounting height is 4.6, the CD2 - 6D type electric hoist, lifting weight 2 tons, lifting height 9m. Raw water is made of ductile cast iron pipe of two DN800.Water purification process flow diagram of Yangquan city water treatment plant us

12、ed as follows:Design water consumption is 99750m3/d, the design of poly aluminum chloride as a coagulant, the automatic control of dosing wet cast method, reagent maximum daily dosage of 0.46L/s.Mechanical flocculation tank 2 series, each group of 3 grids, each design content is 1740 m3/d, each latt

13、ice plane size of 4.8 m 4.8 m, total depth of 4.8m. Flocculation tank adopts mechanical, flocculation time of 19min. The pool wall through the lattice water channel connecting, water hole under the staggered arrangement.Horizontal flow sedimentation tank located 2 blocks, there are two groups of hor

14、izontal flow sedimentation tank, a series of reaction pool corresponds to a single pool flow sedimentation tank, Q for 2078m3/h, 0.577m3/s, each group of plane size of 100.8 m 14m, total depth of 3.9m. Horizontal velocity 0.014m/s, residence time of 2 h. Inlet perforated tracery wall water clarifier

15、, orifice flow rate was 0.2 m/s.Ordinary rapid filter 6, single-cell filter filter area of 81m2, total height 3.1m, plane size is 9.0m 9.0m, 8m/h design rate of filtration, backwashing strength 14L/ (s m2), filter material layer thickness of 0.7m, the single pool distribution pipe root number 72, water-distributing branch pipe a single orifice area of 78.5mm2, the orifice in a total of 2580, an average head loss for 3.5m.The liquid chlorine disinfectant. Chlorination point set to the filtered water chlorination. Dosage of 4.16kg/h. Selection of ZJ