Preface
Safe drinking water and good environmental sanitation are the necessary conditions for the healthy survival of human beings. With the development of our country, the problems of water supply and drainage become more and more important.
Water supply and drainage engineering is the combination of all engineering facilities from water source to final disposal in cities or industrial enterprises. It is generally composed of water intake project, water purification project, sewage treatment project, sludge treatment and disposal project and water supply and drainage pipe network project. According to the different historical stages of engineering construction, it can be divided into new projects and reconstruction and expansion projects.
Its construction and development is directly related to the improvement of the living standard and quality of life of urban residents and the expansion and development of industrial enterprises, but it is limited by the local natural resources, economic development level, cultural background and development history. With the acceleration of China’s urbanization and the development of industrial economy, the demand for domestic water of urban residents and industrial enterprises is increasing, and the requirements of water quality are also increasingly strict.
However, China is a country with very poor per capita water resources. At present, the serious water pollution makes some water bodies lose their original functions and aggravate the tension of water resources. The shortage of water resources and the pollution of water environment have become one of the key factors restricting the sustainable development of human society and economy.
Due to the limited level of the editor, omissions are inevitable. Readers are requested to make comments and corrections.
前 言
安全的饮用水和良好的环境卫生是人类健康生存的必需条件。随着我国发展的步伐逐渐加快，给水、供水和排水的问题显得越来越重要。
供水、给水、排水工程是城市或工业企业从水源取水到最终处置的全部工程设施的组合体。一般由取水工程、净水工程、污水处理工程、污泥处理与处置工程等主要枢纽工程和给水排水管网工程组成，按照工程建设的历史阶段不同，可分为新建工程和改扩建工程。
它的建设与发展直接关系到城市（镇）居民的生活水平、生活质量的提高与工业企业规模的扩大与发展，但是又受到当地自然资源状况、经济发展水平、文化背景与发展历史的限制。随着我国城市化步伐的加速和工业经济的发展，城市居民生活用水和工业企业用水需求量日益增加，对用水水质的要求也日益严格。
但是，我国是一个人均水资源十分贫乏的国家，目前严重的水污染使得部分水体丧失原有的功能，更加剧了水资源的紧张状况。水资源的日趋短缺和水环境的污染已成为制约人类社会和经济可持续发展的关键因素之一。
由于编者水平有限，疏漏之处在所难免，敬请读者批评指正。
Ying Kou, male, the Han nationality, bachelor’s degree of engineering, born in Zibo City, Shandong Province in August 1981. He is now a member of the Party Committee and deputy general manager of Shendong Mining Service Company of CNH Energy Group. Since 2004, he has presided over the preparation of the company’s operation (service) standards, equipment safety operation procedures and other work instruction manuals and internal training materials. He completed 2 achievements of QC group activities: “Study on Membrane Washing System for Direct Drinking Water” and “Establishment of Wireless Room Temperature Monitoring System and Research on Heating Energy Consumption Quota”. In recent years, his monographs include: Collapse Accident of Fully Mechanized Top Coal Caving Face and its Prevention Technology, Research on Key Points of Water Supply and Drainage Fire Protection Design of High-rise Buildings, etc.
寇莹，男，汉族， 1981 年 8 月生，山东淄博人，工学学士，现任国家能源集团神东矿业服务公司党委委员、 副总经理。 2004 年参加工作以来， 主持编写了公司运行（服务）标准、设备安全操作规程等工作指导手册和内部培训教材。完成 QC 小组活动成果 2 项，《直饮水洗膜系统装置研究》、《无线室温监测系统建立及供热能耗定额研究》。近年专著有《综放面压架事故及其预防技术》、《探析高层建筑给排水消防设计要点研究》等。
Hai-Jun Ren, male, the Han nationality, CPC member, born in Tumete Right Banner, Inner Mongolia in March 1984. In 2007, he graduated from Inner Mongolia University of Technology majoring in material forming. At present, he works in the Fire Protection Service Department of Shendong Mining Service Company of CNH Energy Group. He has been working for nearly 13 years. He has successively participated in the construction of Shendong Shangwan heat exchange station, Shangwan initial station and automatic heating system, and completed the innovative construction of condensate recovery system of primary heating station in mining area and steam water separation system of initial heating station in mining area; in 2019, he set up the first fire training base in Shendong mining service company after he was assigned to work in the Fire Protection Service Department of Shendong Mining Service Company.
任海军，男，汉族， 1984 年 3 月生，内蒙古土默特右旗人，中共党员， 2007 年毕业于内蒙古工业大材料成型专业，现国家能源集团神东矿业服务公司消防维保服务部工作，参加工作近 13 年，先后参与完成神东上湾换热站、上湾首站以及自动化供热系统建设工程，完成矿区一次供热站凝结水回收系统、矿区供热首站汽水分离系统的创新建设； 2019 年，因工作需要调神东矿业服务公司消防维保服务部工作后建立神东首个消防实训基地。
Guang-Yi Yang, male, the Han nationality, bachelor’s dgree, CPC member, born in Ordos, Inner Mongolia in August 1982. On 1st July 2008, he graduated from Inner Mongolia University of Technology and his major was building environment and equipment engineering. He took part in work in July 2008 and worked in Shendong Company. He successively worked in the position of stoker and dispatching supervisor in Shendong Plumbing Company, Shendong Electric Water Heating Service Center, Shendong Mining Service Company. From January 2013 to now, he has worked in the position of heating director of Technical Management Department of Shendong Coal Group Mining Service Company.
杨光义，男，汉族，生于 1982 年 8 月，内蒙古鄂尔多斯人，中共党员， 2008 年 7月 1 日毕业于内蒙古工业大学，所学专业为建筑环境与设备工程。本科学历。 2008年 7 月参加工作， 2008 年 7 月进入神东公司工作，先后在神东水暖公司、神东电水暖服务中心、神东矿业服务公司的司炉、调度主管岗位工作， 2013 年 1 月至今在神东煤炭集团矿业服务公司技术管理部供暖主管岗位工作。
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