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通过对小区污水水质特点及工艺的分析,结合地埋式生活污水处理系统的处理原理、工艺特点等方面的分析,介绍了地埋式一体化污水处理技术处理小区污水的特点及作用,探讨了其在小区污水处理应用中的可行性和优越性,以便进一步推广应用。 相似文献
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结合广东省环境保护工程研究设计院在环保行业,特别是城市污水处理厂多年的设计经验,阐述了城市污水处理厂电气设计的节能原则、节能途径,着重从变压器选择、提高功率因数、减少线路损耗、电机节能、照明节能等环节进行了探讨,以保障污水处理厂的正常运行。 相似文献
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以解决污水排放问题和合理收集污水为背景,提出了采用"预处理+A2/O微曝氧化沟+深度处理+消毒"的污水处理建议,并分析了项目建设运营BOT模式运作的优势,实现了经济效益与社会效益的最大化。 相似文献
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主要论述了污水处理厂的污泥处理系统,从污泥处理的各个环节,包括排泥、污泥浓缩、污泥调理、污泥机械脱水和污泥处置等几方面进行了阐述,行之有效的控制污泥生产,以保证污水处理厂水质合格达标。 相似文献
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污水源热泵空调系统在污水处理厂的应用 总被引:6,自引:4,他引:6
该项目以二级出水作为污水源热泵系统的热源/热汇。介绍了系统流程、水源侧系统、用户侧系统及系统的控制等。对该方案与电制冷加燃油锅炉方案的经济性进行了比较,结果显示该方案的初投资比后者低6%左右;运行费用夏季基本相当,冬季大约低67%。 相似文献
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Matthew W. Adams 《Geotextiles and Geomembranes》1997,15(4-6):269-276
A pair of aeration lagoons at a wastewater treatment facility were lined with 0.75-mm HDPE geomembrane in 1993. The ponds were placed in an area that previously contained an unlined sewage stabilization pond. This paper discusses activity at the east lagoon only. Prior to liner installation, a gas vent system was added in the design in the event that gases formed under the liner. That system employed approximately 30-cm-wide strips of geotextile/geonet geocomposite placed on 30-m centers in a grid pattern. Gas vents were cut in the liner around the top perimeter of the pond at 15-m centers. Thorough construction quality assurance practices were employed to insure that the geomembrane and seams were of a high quality. Seven months after installation, gas bubbles began to form under the liner, and large bubbles resulted. The bubbles were pierced to remove the gas. At that time, the lagoon was taken out of service and drained for inspection. Crescent moon-shaped cuts (about 300 mm in size) were then found at the location of some of the baffle curtain anchors. This damage was repaired in conjunction with the holes created by venting the gas bubbles. The lagoon was then partially filled, and more bubbles were formed under the liner. Analysis of the gas resulted in the opinion that it was the result of anaerobic digestion of organic matter under the liner. Also found were holes approximately 60 mm in size that were grouped in random locations throughout the lagoon. These holes were in pairs and spaced 3 to > 30 mm apart. The source of those holes remains unknown. In retrospect, a gas vent system capable of removing gases at a greater rate than it was generated from beneath the liner was required. It is suggested that when a previously existing pond is to be lined, extensive testing for organic matter be performed on subgrade material. Such testing is not currently well defined and should occur prior to design. Other investigations may include hydrological surveys that include several years' data on underlying water level activity. Also, a thicker geomembrane may have had enough resistance to mechanical damage to prevent the formation of the crescent moon and smaller holes. 相似文献
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污水处理厂HDPE土工膜施工技术 总被引:1,自引:0,他引:1
结合工程实例,论述了污水处理厂HDPE土工膜的工艺原理,介绍了污水处理厂HDPE土工膜的施工工艺和操作要点以及质量控制要求,实践证明:HDPE土工膜与人工夯实粘土作防渗层相比具有明显的经济效益和社会效益。 相似文献
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以湖州市某污水处理厂扩建工程为例,结合工程场地地质概况,通过对厂区地基处理方案,进行综合分析比较,确定了采用PC管桩处理方案并作了具体阐述,指出了施工中应注意的问题,经实践证明,采用PC管桩处理地基加固效果良好。 相似文献
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针对污水处理池防水处理的特殊性,介绍了其防水设计方案、选用主要材料的性能特点和施工方案,并就施工中要注意的几个问题加以阐述. 相似文献
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对山西省污水处理厂的污泥处理存在的疑难问题及关键性技术进行了分析,着重对污泥燃料化技术降低污泥含水率、提高热值,实现污泥资源化利用的技术内容进行了描述,提出了以污泥燃料化作为污泥综合利用技术路线的结论。 相似文献
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针对城镇污水处理厂除臭的必要性,对城镇污水处理厂恶臭污染治理的多种技术进行了分析比较,结果表明,生物除臭法对臭气的去除率高、运行费用低、无二次污染,是一种较为经济有效的除臭技术,也是除臭技术的主要发展方向。 相似文献
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潞西市污水处理厂二期工程设计 总被引:1,自引:1,他引:0
介绍了潞西市污水处理厂二期工程设计规模为1.5×10^4m3/d,采用改良型氧化沟污水处理工艺,以一期工程作为参考,同时借鉴了相关工程的设计经验,对各构筑物的设计参数进行了优化,为相关工程的设计提供了借鉴。 相似文献
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结合北郊污水处理厂的改扩建工程,探讨了污水提升泵房沉井结构设计的一般步骤,同时提出了设计注意事项,对地下建筑物的结构设计具有一定的参考意义。 相似文献
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针对城南污水处理厂工程从加固原理、施工工艺流程、施工工序和工艺要求对沉管碎石挤密桩在污水厂地基处理中的应用进行了阐述,并提出施工期间应进行严密的技术控制和监测,以期保证施工效果。 相似文献