论文总字数：19666字

摘 要

GN县位于江苏省北部海滨城市连云港的南翼，东临黄海，西接沭阳，南邻涟水、响水。地理坐标为北纬33°59′至34°27′，东经119°07′至119°48′。县域东西长71公里，南北宽30公里，面积1041平方公里，其中水域面积263平方公里，耕地89万亩，辖14个乡镇，238个村（社区），62.48万人。

江苏省建设厅提出《江苏省政府关于进一步加强建制镇污水处理设施建设的意见》，强调镇村一体化的重要性；强调城乡统筹在城乡二元结构和城镇差距逐渐扩大过程中的重要作用；强调城乡发展时城乡资源的统一利用与保护；强调城乡互动共同繁荣。为当前城镇化发展战略制定了基本出发点。GN县经济总体上保持稳定增长的势态，经济效益稳步提高，财政收入和城乡居民收入继续快速增长，各项社会事业进一步发展，较好的实现了国民经济和社会发展的预期目标。

结合总体规划，本可研的规划年限统一定为：近期2015年，远期2025年。

本次任务进行GN县李集乡的污水处理厂设计计算工作。

Abstract

GN county is located in the south of Jiangsu province in the north of the coastal city of Lianyungang, east the Yellow Sea, West Shuyang, South Lianshui, Xiangshui. The geographic coordinates of latitude 33 degrees 59 minutes to 34 degrees 27 minutes east longitude 119 degrees, 119 degrees 07 'to 48'. County East 71 kilometers long, north-south width 30 kilometers, an area of 1041 square kilometers, of which the waters area of 263 square kilometers, 890000 acres of arable land, jurisdiction over 14 towns, 238 villages (community), 624800 people.

Jiangsu Provincial Department of construction, put forward the Jiangsu provincial government on Further Strengthening the towns sewage treatment facilities construction of views ", emphasizing the importance of town and village integration; emphasis on balancing urban and rural development in the dual structure in urban and rural areas and the gap between cities and towns gradually expand the important role in the process of; put the emphasis on the development of urban and rural areas when the unity of urban and rural resources utilization and protection; emphasize the interaction between urban and rural areas common prosperity. The basic starting point for the current urbanization development strategy. GN the county economy overall to maintain steady growth momentum, a steady increase in economic benefits, financial income and the income of urban and rural residents continued rapid growth, the further development of various social undertakings, better realized targets of the national economic and social development.

Combined with the overall planning, the feasibility of this research can be as follows: the recent 2015, forward 2025.

Calculation of design of sewage treatment plant of the mission of Li Ji Xiang county GN.

目录

1. 设计任务 1-2

1.1. 设计原始资料 1-2

1.1.1. 进水水质 2

1.1.2. 出水水质 2

1.2. 设计任务 2

2. 工艺设计 3-4

2.1. 设计依据 3

2.2. 设计原则 3

2.3. 工艺选择 4

3. 设计计算书 5-31

3.1. 建构筑物计算 5-25

3.1.1. 粗格栅 5-8

3.1.2. 细格栅 8-11

3.1.3. 旋流沉砂池 13-15

3.1.4. 平流式初沉池 16-18

3.1.5. A²/O反应池 18-22

3.1.6. 二沉池 22-25

3.1.7. 消毒接触池 26-27

3.1.8. 浓缩池 27-28

3.1.9. 贮泥池 28

3.2. 污水厂平面布置 29-31

3.3.1. 概述 29

3.3.2. 高程计算 30

参考文献 31

图纸目录

(1)污水厂平面组图 1张

(2)污水厂管线总图 1张

(3)污水厂高程图 1张

(4)A²O生化池 1张

(5)污泥压缩泵房 1张

合计 5张

设计原始资料

GN县位于江苏省北部海滨城市连云港的南翼，东临黄海，西接沭阳，南邻涟水、响水。地理坐标为北纬33°59′至34°27′，东经119°07′至119°48′。县域东西长71公里，南北宽30公里，面积1041平方公里，其中水域面积263平方公里，耕地89万亩，辖14个乡镇，238个村（社区），62.48万人。

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