Results 11 to 20 of about 3,838 (112)

饮用水处理厂工艺流程的优化设计与应用研究

open access: yes水电科技
饮用水处理厂作为城市供水系统的重要组成部分,其工艺流程设计的优劣直接决定了供水安全与质量。面对日益复杂的水源污染问题,传统工艺在水处理效率和运行成本控制方面显现出明显不足。为应对这些挑战,现代水处理技术的发展提供了诸多优化方向。文章通过系统分析传统工艺流程,结合新型技术的应用前景,探讨了饮用水处理厂在混凝、沉淀、过滤、消毒等关键环节的改进策略,并结合实际案例研究了优化措施的效果。研究结果表明,工艺优化不仅显著提升了水质,还能有效降低运营成本,为饮用水处理厂的可持续发展提供了理论和实践支持。
Er Ou
semanticscholar   +1 more source

改良型A2/O工艺污水处理厂的设计与运行

open access: yesGongye shui chuli, 2011
某污水处理厂设计规模为5×104 m3/d,其污水处理工艺流程采用改良型A2/O 工艺,污泥处理采用直接浓缩脱水工艺。对该工艺流程的主要构筑物、设计参数及运行情况进行了介绍,结果表明,处理后的水质达到《城镇污水处理厂污染物排放标准》(GB 18918—2002)中的一级标准。
班福忱, 张晓宁, 李亚峰
doaj   +2 more sources

基于多线程运行控制的高效节能型净水工艺

open access: yesGongye shui chuli, 2016
华北地区某净水厂以当地水库水为水源,原水受到有机物污染,水质受季节影响变化较大。为应对上述水质问题采用高密度沉淀池-V型滤池-超滤-臭氧加活性炭吸附的工艺流程,但该工艺流程较长,运行能耗较高。针对季节和水质变化,以供水安全可靠为前提,高效节能为目标,提出了水厂运行的多线程工艺流程。经节能评估,运行改进后可节能23.96%。
路旭龙, 崔建国, 张峰
doaj   +2 more sources

大型立式轴流泵机组安装工艺流程探讨

open access: yes水电水利, 2019
社会经济、科学的不断发展进步,使泵站中许多老化的机组和落后的设备逐渐被更新或者被新的设备所取代,大型立式轴流泵机组目前在泵站中得到广泛应用。立式轴流泵主要是靠叶片的升力将流体引到出口,是轴向进,轴向出,具有大流量、低扬程、高比转数、高效率、占地面积小、性能参数可变性,以及适合低水位条件等优点,对站泵的安全具有十分重要的作用。本文就大型立式轴流泵机组安装工艺流程探讨,以期给相关工作者提供参考。
Chao-Xing Tan
semanticscholar   +1 more source

A2O-MBR工艺深度处理液晶废水工程应用

open access: yesGongye shui chuli, 2016
结合工程应用实例,介绍了A2O-MBR工艺深度处理液晶TFT-LCD废水及回用的工艺流程、工艺设计参数、工程运行和处理效果,并对工程投资和运行成本进行了分析。该工艺不仅为液晶TFT-LCD废水的深度处理提供了一种高效可靠的技术路线,对于其他高浓度、难降解废水的处理也具有较好的推广前景。
关晓琳, 武克亮, 徐斌, 王怀林
doaj   +2 more sources

砂石骨料加工系统工艺流程与改造

open access: yes建筑发展, 2018
生产工艺流程,是指在生产过程中,劳动者利用生产工具将各种原材料、半成品通过一定的设备、按照一定的顺序连续进行加工,最终使之成为成品的方法与过程。原则是:技术先进和经济上的合理。由于不同的工厂的设备生产能力、精度以及工人熟练程度等因素都大不相同,所以对于同一种产品而言,不同的工厂制定的工艺可能是不同的;甚至同一个工厂在不同的时期做的工艺也可能不同。可见,就某一产品而言,生产工艺流程具有不确定性和不唯一性。设备的改装是指为了满足增加产量或加工要求,对设备的容量、功率、体积和形状的加大或改变。例如 ...
Qing-Cheng Ma
semanticscholar   +1 more source

水利工程模板工艺流程及其施工技术

open access: yes水电水利, 2019
模板工程技术是水利工程施工过程中非常重要的工程技术内容,该技术的应用对保证水利工程混凝土施工质量,提高水利工程施工水平等方面有非常大的促进作用。文章对模板工程进行了简要概述,论述了水利工程施工中模板工程技术所需材料的性能要求,以及模板安装施工的主要事项,并进一步探讨了水利工程施工中模板工程技术的具体应用内容,以供相关人员参考。
Xun Fu, Cui-Ping Liao, Liang Zheng
semanticscholar   +1 more source

大豆分离蛋白及大豆浓缩蛋白喷涂造粒 生产实践及工艺对比Production practice and process comparison of spray granulation technology of soybean protein isolate and soybean protein concentrate

open access: yesZhongguo youzhi
旨在优化大豆蛋白粉的生产工艺流程,介绍了大豆分离蛋白和大豆浓缩蛋白的3种喷涂造粒工艺(流化床喷涂造粒工艺、高效混合机喷涂造粒工艺、风运管道喷涂造粒工艺)的生产工艺流程以及工艺特点,并对比分析这3种喷涂造粒工艺的优缺点。如果只从蛋白粉的不飞扬性考虑,风运管道喷涂造粒工艺具有更大的优势;如果从蛋白粉的不飞扬性及蛋白的功能性两方面考虑,则采用流化床喷涂造粒工艺更合适。In order to optimize the production process of soybean protein powder ...
郑峰1,2,王文昕1,2,吴畏1,2,林凤岩1,2,黄永娜1,2ZHENG Feng1,2, WANG Wenxin1,2, WU Wei1,2, LIN Fengyan1,2, HUANG Yongna1,2
doaj   +1 more source

天然气管道建设中的土壤流失与防治 —— 以涩北-西宁-兰州输气管道工程为例

open access: yesShuitu Baochi Xuebao, 2002
天然气管道建设工程是一种线型工程,线路长,沿道水土流失类型复杂,施工区段多,不同地段采取的工艺不同,对水土流失影响也不同,采取的方法措施也不同.以"九五"国家重点开发建设项目涩北-西宁-兰州输气管道工程(在建项目)水土保持为例分析得出石油天然气管道开发建设项目施工期的水土流失量占总水土流失量的69%,是开展开发建设项目水土保持的关键时期;施工单位必须采取有效的临时防治水土流失措施;主体工程之外的辅助工程和临时工程的水土流失不容忽视,伴行公路的水土流失量占总水土流失量的79 ...
郭锐 张绒君 党生 张丽娟
doaj   +2 more sources

焦化废水处理工艺流程设计探索

open access: yesGongye shui chuli
为应对焦化废水不再用于熄焦补充水,在考察焦化项目并结合文献研究的基础上,提出焦化废水处理后直接排放工艺流程和间接排放工艺流程。间接排放采用“预处理—水解酸化—A/O生化—二沉池—活性炭加载高效沉淀池”的流程,可应用于原位提标升级改造,具有投入资金少、改造工期短、出水指标提升效果显著的特点;直接排放采用“预处理—水解酸化—A/O生化—二沉池—高效沉淀池—臭氧催化氧化—A/O生化—高效沉淀池”的流程,可应用于改扩建、新建项目,具有出水水质稳定、难降解有机物去除彻底的特点 ...
杨雄强
doaj   +2 more sources

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