声波清灰器在燃煤锅炉电除尘器中的应用

通过对声波清灰器在梅山热电厂电除尘器中的应用，介绍了声波清灰器的工作原理，并将声波清灰技术与机械振打技术作了比较。通过应用声波清灰技术，使电除尘器极板、极线表面的清灰效果得到提高，灰斗出口积灰板结、架桥、易堵的问题得到有效解决。     

330MW机组电改电袋除尘器清灰制度优化和喷吹参数设定探讨

分析了电袋复合除尘器袋式除尘单元清灰效果的影响因素,并对某热电厂330MW机组燃煤锅炉电改电袋复合除尘器的清灰制度进行了优化。重点对比了优化前后的电袋复合除尘器的清灰频率、清灰周期、运行阻力等参数的大小,优化结果可以作为大型燃煤锅炉电改电袋复合除尘器清灰制度的借鉴。     

声压级和频率对声波清灰效果影响分析

简要叙述了声波清灰原理,对声波作用下声场中介质质点及尘粒振动特性进行了详尽的分析,从而明确了声波声压级和频率对清灰效果的影响。     

声波助清灰技术在滤简除尘器中的应用研究

在试验的基础上,分析了声波助清灰技术对除尘效率的影响,并对各种清灰方式单独或组合使用的效果进行比较,最后对下一步的研究提出了一些建议.     

第三篇 声助逆气流清灰的研究

用喇叭的声能来帮助逆气流清灰比调节清灰频率和反吹气量要复杂一些,但改装喇叭比较容易,并且效果比单一的逆气流清灰好一些,这是由于在滤袋与尘层界面集中了更多能量的缘故。     

脉冲袋式除尘器在美国锅炉除尘方面的应用

随着大气污染控制要求愈来愈严格,美国用袋式除尘器进行锅炉烟气除尘的逐渐增多。袋式除尘器有各种不同的结构型式,按清灰方法分有脉冲清灰、逆气流清灰、机械振     

袋式除尘器在燃油电厂的应用

阐述了袋式除尘技术及其在我国电厂烟气除尘中的应用，结合北京第二热电厂的应用实例，对其系统的设计，除尘工艺，滤料的选择，清灰方式，安全措施等进行了综述和分析，并就需要进一步考虑的问题进行了探讨。     

声波吹灰器在选择性催化还原反应器上的应用

介绍了GE能源集团的POWERWAVE声波清灰系统在国华江苏太仓电厂2×600 MW选择性催化还原反应器(SCR)上的成功应用,并对比了在脱硫脱硝项目中声波清灰相对于蒸汽吹灰的优势。     

对Lodge—Cottrell电除尘器的认识与实践

华能南通电厂３５０Ｍ Ｗ机组配有美国Ｌｏｄｇｅ－Ｃｏｔｔｒｅｌｌ公司的顶部机械传动落杆振打清灰电除尘器，自１９８９年投运以来，暴露出了一些问题，经多年的摸索，逐步熟悉了设备性能，找出了问题的症结，两次采取针对性改造，取得较好的效果。     

我国袋式除尘器的技术进步

近十年来，我国袋式除尘产业获得迅速发展，技术不断进步，现分述如下：1袋式除尘器结构形式的改进袋式除尘器从小型单室结构发展到大型多室结构，过滤面积从几平米发展到几万平米，规模越来越大，耗钢量越来越多。因此，优化箱体结构，降低耗钢量已成为袋式除尘器技术进步的一个重要方面。1．1采用滤袋框架整体安装的单元组合形式，开发多种结构紧凑轻巧的袋式除尘器新产品。如KB型快装振打玻纤扁袋除尘器，利用玻纤织物抗拉伸，耐高温，易清灰的特点，将其来回搞折绷紧缝合在框架上，通过框架振打，实现清灰，耗钢量仅为15kg／m’，是我…     

NaOH改性活性炭的表面特征及吸附甲醛的性能

研究了NaOH改性活性炭(AC)的表面官能团变化特征及其吸附甲醛的性能.实验结果表明:改性AC表面的羧基、酚羟基、内酯基等官能团均与NaOH发生化学反应;质量分数为30%的NaOH溶液对AC表面的清洗作用最大,能将AC表面的杂质基本清除,此时AC表面羧基、酚羟基、内酯基和羰基浓度均达到最大;NaOH溶液质量分数为30%时,改性AC吸附甲醛的效果最好;改性AC表面酚羟基浓度的大小与改性AC吸附甲醛气体穿透时间的长短呈正比.     

The comparative effectiveness of persuasion,commitment and leader block strategies in motivating sorting

Household waste management has become essential in industrialized countries. For the recycling programs to be a success, all citizens must comply with the developed residential procedures. Governmental bodies are thus dependent on as many people as possible adhering to the sorting systems they develop. Since the 1970s oil crisis, governments have called upon social psychologists to help develop effective communication strategies. These studies have been based on persuasion and behavioral commitment (Kiesler, 1971). Less common are studies based on developing participative communication (Horsley, 1977), a form of communication that relies on individuals to pass on information. After going through the main communication perspectives as they relate to the sorting of household waste, a comparative field study will be presented on the effectiveness of persuasive, committing and participative communication. Participative communication relied on users to pass along information to their neighbors. The results show that the participants who spread information in this way, along with those who made a commitment, changed their behavior to a greater degree than the other participants.     

Re-thinking incentives and penalties: Economic aspects of waste management in Italy

This paper focuses on the dynamics the formation of operational costs of waste management in Italy and the effect of economic measures. Currently incentives and penalties have been internalized by the system no differently from other cost items and revenues. This has greatly influenced the system directing it towards solutions that are often distant from the real environmental objectives. Based on an analysis of disaggregated costs of collection treatment and recovery, we provide the basic elements to compose a picture of economic management in various technical–organizational scenarios.In the light of the considerations contained in the paper it is proposed, e.g. for controlled landfills, that the ecotax, currently based on weight, could be replaced by one based on the volume consumption. Likewise, for tax reduction on disposal system, instead a pre-treatment might ask an environmental balance of the overall system.The article presents a reflection on the last hidden costs associated with the consumption of goods and packaging, and how to reduce waste production is the necessary path to be followed in ecological and economic perspectives.     

黑曲霉吸附弱酸性艳蓝RAWL的机理

为了研究黑曲霉吸附弱酸性艳蓝RAWL（简称染料）的机理，通过红外光谱和化学修饰的方法，考察了黑曲霉对染料吸附性能的pn响应模式，表征了黑曲霉干粉菌体表面的主要官能团组成及不同官能团对吸附染料的贡献。实验结果表明：在强酸性（pH不大于2）条件下黑曲霉对染料的吸附效果最好；黑曲霉干粉菌体表面含有氨基、羧基和磷酸根；经脂质脱除、磷酸根酯化修饰、羧基酯化修饰、氨基甲基化修饰后对染料的吸附性能不变，而乙酰化氨基在酸性体系中失去质子化能力，对染料的吸附性能下降51．6％，说明低pH条件下氨基质子化导致带正电的黑曲霉干粉菌体与带负电的染料之间的静电引力是吸附染料的重要原因。     

金属有机骨架材料对水中有机酸的吸附性能

制备了MIL-100(Fe)、MIL-100(Cr)和NH_2-MIL-101(Al)3种金属有机骨架(MOFs)材料,考察了这3种MOFs材料对苯甲酸、水杨酸和山梨酸3种有机酸模拟废水的吸附处理效果,并与大孔吸附树脂D101进行了比较。实验结果表明:NH_2-MIL-101(Al)对苯甲酸的平衡吸附量最大,D101平衡吸附量中等,MIL-100(Cr)和MIL-100(Fe)平衡吸附量很小;NH_2-MIL-101(Al)对山梨酸具有优异的吸附性能,MIL-100(Cr)、MIL-100(Fe)和D101对山梨酸的平衡吸附量较低;3种MOFs材料和D101对水杨酸的平衡吸附量均很小。NH_2-MIL-101(Al)对山梨酸和苯甲酸的等温吸附过程可用Langmuir方程更好地拟合;NH_2-MIL-101(Al)对水杨酸的等温吸附过程可用Freundlich方程更好地拟合。     

电站锅炉袋式除尘器滤料使用寿命初探

滤料不仅影响袋式除尘嚣的使用可靠性，同时存在经营成本问题。通过实际应用的夯期试验和对试验结果的分析，确定了影响滤料使用寿命的关键技术指标，适当降低喷吹气压不仅不会影响清扫效果还对延长滤料使用寿命十分有利。     

SCR脱硝催化剂失活机理研究综述

在烟气脱硝系统中,选择性催化还原催化剂的中毒和再生是广泛关注的问题。从催化剂的烧结、As、Ca、碱金属中毒等方面阐述了SCR脱硝催化剂的失活机理。通过总结催化剂的各种失活机理,可以有针对性地根据锅炉特性、燃料特性以及飞灰的成分进行SCR脱硝系统的优化设计,制定防止选择性催化还原催化剂失活的措施,这对延长催化剂寿命,降低SCR脱硝系统的运行维护费用具有重要意义。     

用松香胺萃取处理含酚废水的研究

用松香胺萃取处理模拟含酚废水。研究了萃取剂组成、油水比、废水酸度对分配系数的影响,萃取温度、萃取时间对脱酚效率的影响,以及反萃剂的浓度、用量和反萃温度对反萃率的影响。     

选择性吸附-高效生物降解法处理含硝基苯与苯酚混合废水

结合NDA-150型树脂（简称树脂）选择性吸附和生物降解的优点，对含硝基苯和苯酚的模拟混合废水（简称混合废水）进行处理。通过树脂的选择性吸附，使混合废水中的硝基苯和苯酚分离，随后用高效菌对树脂所吸附的硝基苯进行生物降解，同时实现树脂的再生。实验结果表明：通过调节混合废水的pH，树脂可有效地将混合废水中的硝基苯和苯酚进行选择性吸附分离；树脂对硝基苯的吸附是可逆的；树脂的再生程度受微生物对可利用硝基苯质量浓度的下限（1．2mg／L）限制；吸附-生物再生循环实验结果表明，该树脂可有效抵抗微生物的生物降解与破坏。     

The Impact of Sewage Discharge on the Macroalgae Community in the Yellow Sea Coastal Area Around Qingdao,China

The dynamics of macroalgal communities and the impact of sewage on their growth were studied in the tidal zone around Zhanqiao Pier of the Qingdao coastal area, in the northwest of the Yellow Sea, China, from September 2001 to September 2003. The tidal zone of the study area is divided into western and eastern sections by the Zhanqiao Pier. Inorganic nitrogen and phosphorus in seawater showed higher concentrations on the eastern side of Zhanqiao Pier than on the western side, because a sewer drains into the eastern side. The macroalgal communities on each side of the Pier showed an obvious difference due to the effect of this sewage discharge. A total of 47 macroalgal species including 10 greens, 11 browns and 26 reds was identified in this study. The species composition and biomass indicated higher values in the nutrient-rich area on the eastern side of Zhanqiao Pier compared with the nutrient-poor area on the western side of Zhanqiao Pier. Some ephemeral and filamentous species dominated seasonally on the eastern side of Zhanqiao Pier, in contrast to the western side where slow-growing species dominated throughout the year. Nutrient gradients and temperature were considered the main factors affecting the distribution of macroalgae communities in time and space. The results are consistent with the common observation that nutrient-poor areas are dominated by slow-growing rather than ephemeral algal species. Moreover, the species diversity in the whole study area had declined when compared to previous records.