共查询到18条相似文献,搜索用时 109 毫秒
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简要介绍了串级调速系统的调速原理和特点 ,通过实践证明了串级调速在热电厂锅炉风机上的节能效果及安全可靠性 ,说明串级调速是锅炉风机节能的有效途径。 相似文献
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比较提高泠冻水供水温度的风机盘管系统与Active Chilled Bean系统(主动式冷梁系统)的节能效果。结合具体实例,通过计算分析,得出提高冷冻水供水温度可大幅提高风机盘管系统节能率,节能效果优于Active Chilled Beam系统。 相似文献
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液力偶合器在大型锅炉风机上的节能应用研究 总被引:2,自引:0,他引:2
文章介绍了液力偶合器用于调节大型锅炉风机风量的节能原理,分析比较了应用液力偶合器调节风机风量与传统的节流调节风机风量的节能效果,实际应用得出:采用液力偶合器调节风机风量具有显著的节能效果,并能使系统实现自动控制、无级调速、工作稳定等,值得推广. 相似文献
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浅谈风机水泵节能的重要方法——变频调速 总被引:1,自引:0,他引:1
风机、水泵节能是企业节能的重要方面,阐述了风机、水泵变频调速的节能原理、运行机理,分析了变频调速的优点及不足,要搞好运行维护、日常保养、定期更换部件等使该系统发挥优良的节能特性。 相似文献
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通过分析镀膜工艺温控系统,了解镀膜原理、工业温控装置节能方式及措施等几个方面。然后根据实际项目要求,设计一套节能、高效、安全、稳定可靠的镀膜工艺温控系统。与常规的冷水机组相比,高温冷水机组最大的特点为压缩机处于小压缩比工况下运行,对常规冷水机组采取相应措施来提高蒸发温度、降低冷凝温度,满足输出高温冷水的要求。 相似文献
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流化表面干燥造粉工艺的主要能耗在于风机系统,而合理选择风机系统的配置形式是该工艺节能的关键问题。本文对各种可行的风机系统配置形式进行了分析,比较,并指出选择前后置式配置是该工艺节能的一个有效途径。 相似文献
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水轮机利用循环水泵的富余扬程带动风机运转,以取代风机电机,实现节能的目的。以高效反击混流式水轮机在青岛石化循环水冷却塔中的应用为例,通过监测单开水轮机风机或电动风机时循环水的温降程度,来对比两种风机的运行效果,并在维持系统管网压力、流量不变的条件下,监测水轮机风机正常运行、转速减半、停运至系统稳定,以及重开风机系统、恢复稳定状态下的运行数据,测试水轮机风机运行对循环水系统的影响,从而验证水轮机节能技术的应用效果及经济效益。结果证明,循环水系统存在富余能量,水轮机利用该富裕能量带动风机运转,不增加循环水系统新的能耗;且水轮机风机降温效果与电动风机相当,可替代电机风机运行,满足精细化操作需要。采用水轮机运转风机,可优化循环水系统配置,减少维护保养费用,经济效益较高,具有较好的推广价值。 相似文献
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A novel photocatalytic mop fan air cleaning system has been developed. The novel mop fan system is optimized in terms of the pollutant degradation efficiency, energy consumption, appearance and cost reduction based on previous research. The fluid dynamic characteristic and energy consumption of the novel mop fan system has been identified by experimental testing. Pollutant degradation effect of the mop fan on a typical industry pollutant, diesel fume, has also been tested. It was found that the system has very low energy consumption and is very effective to destroy the diesel fume, a microparticulate pollutant. The system is suitable for any indoor environment to clean the air by removing the particulates, odors, virus, bacteria and volatile organic pollutants. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献
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为有效提高钻井船生产过程火气安全切断的可靠性及船员的安全性,针对钻井船仪控系统工艺过程控制和安全切断的控制策略复杂度高,难以通过普通仪表测试,研制了具有网络冗余的分布式控制系统和采用具有安全等级的安全控制器搭建的钻井船安全仪表系统,并搭建了半物理仿真验证平台验证其控制逻辑的准确性。验证结果表明:该钻井船仪表控制系统样机的过程控制和安全系统的控制策略、关断策略安全有效,无线通讯和管理软件及报表分析、趋势预测等功能与实船需求相匹配;借助该仿真平台不仅可以优化控制效果还提高了测试效率。 相似文献
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The unique system dynamics of five different HVAC designs including the RCU (recirculation air unit) system, the MAU (make-up air unit) + RCU system, the MAU + RCU + FCU (fan coil unit) system, the MAU + axial fan system, and the MAU + FFU (fan-filter unit) system for a typical 200 mm DRAM wafer fabrication plant are discussed and compared. The energy performances of the RCU system, the MAU + RCU system, the MAU + RCU + FCU system, and the MAU + axial fan system are 3.8, 1.19, 1.12 and 1.08, respectively, folds that of the most efficient MAU + FFU system. The MAU + axial fan system exhibits slight less efficient in energy performance, compared with the MAU + FFU system. The most influential factor on energy performance between these two systems is the design of the noise abatement system, especially the pressure drop of the silencer, which dominates almost half of the internal static pressure of axial fan. When the static pressure of silencer of the MAU + axial fan system is reduced to 50 Pa, energy consumption of these two systems is comparable. Bypassing a certain portion of FAB return air to mix with make-up air can maximally reduce 50% of energy consumption of the RCU system. 相似文献
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分析了煤矿生产环境的特殊性,对矿井主扇风机系统进行变频技术改造时,首先需要分析主扇风机的运行工况。采用变频调速技术改造主扇风机系统具有安全可靠、维修方便等优点,同时达到节约能源的目的。 相似文献
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A new method is described for the absorption of the excess energy generated in autonomous solar systems with the use of a variable complementary load. In order to use the excess energy for ventilation of the system, a fan is used as the complementary load. The current flow through the batteries is controlled according to the ampere-hour (A/hr) rule by regulating the fan in such manner that it absorbs all excess power. The energy control unit, including the fan, is part of a 1.6 kw peak, stand-alone, solar system built at Tel-Aviv University. 相似文献