涪陵九州风机厂家报价

　　普惠风机的噪声控制方案

　　标准普惠风机噪声通常为75-95dB(A)。阻抗复合消声器可降低进出风口噪声15-20dB，弹性减振器减少结构传声12dB以上。某医院项目采用普惠风机配合消声房，使噪声从92dB(A)降至63dB(A)。最新研发的锯齿状叶片边缘设计，通过破坏涡流降低宽频噪声3-5dB。值得注意的是，管道振动会产生二次噪声，每10米应设置橡胶软连接。变频调速在降速20%时，噪声可降低约8dB。

　　风机噪音是可以测度的，也可以避免的，尤其在风机方面之噪音，更是一项重要的设计课题，良好的设计可以使噪音度减低。 噪音是可以测度的，也可以避免的，尤其在风机方面之噪音，更是一项重要的设计课题，良好的设计可以使噪音度减低。 在风机之世界裡，噪音仍然依循一项规律，其量值可随其型号 ( 或直径比) 、转速比、及空气密度比而变更。 在风机之世界里，噪音仍然依循一项规律，其量值可随其型号 ( 或直径比) 、转速比、及空气密度比而变更。 由于声音之强度为音效压力之二次方成正比，故风机噪音之强度亦为通风机压力之二次方成比例。 由于声音之强度为音效压力之二次方成正比，故风机噪音之强度亦为通风机压力之二次方成比例。 若风机之压力为一定，则噪音强度与风机风量成正比。 若风机之压力为一定，则噪音强度与风机风量成正比。 其相关定律如下: 其相关定律如下:

　　Jiuzhou Pratt & Whitney fan Co., Ltd. was founded in 1996, with its headquarter in Nanhai District, Foshan City. It is an enterprise focusing on environmental protection ventilation equipment and integrating R & D, production, sales and service. Now it has become a domestic fan product manufacturer. The factory covers an area of 115000 square meters, and the standard workshop area is 100000 square meters. It has laser, plasma, machining center, die casting, dynamic balance and other general and CNC equipment as well as precise measuring tools and testing instruments. It has built multiple production lines, used the auxiliary design system, applied the MGS, cat automatic testing system, and built the fan pneumatic performance testing center and motor performance testing center 。 The company cooperates with a number of colleges and universities in technology research and development and talent cultivation projects, which has brought up a number of professional and technical talents. It pays special attention to quality, brand and technological innovation, adopts international standards for construction, and is recognized as a national 4A level standardized good behavior enterprise, which lays a solid foundation for product research and development and quality control. It has a perfect marketing network and continues to meet customer needs In order to pay attention, we should actively implement the strategy of scale and constantly explore the international and domestic markets. At present, the products are exported to more than 50 countries and regions around the world and are recognized by all countries. "Jiuzhou inclusive" will keep pace with the times, carry out the brand operation strategy, create excellent cost-effective and fast service characteristics, te the business policy of "integrity-based, pragmatic innovation, strengthening management, force innovation", create a century old enterprise full of vitality and competitiveness as the goal, and sincerely cooperate with domestic and foreign merchants with a pragmatic attitude to create a better tomorrow hand in hand!

　　涪陵九州风机厂家报价

　　26、动系统 半直驱式半直驱式齿轮箱传动比小，并与发电齿轮箱传动比小，并与发电机集成，结构紧凑。机集成，结构紧凑。二二. . 传动链组成传动链组成传动链主要由主轴总成、偏航总成、齿轮箱、联传动链主要由主轴总成、偏航总成、齿轮箱、联轴器、发电机和机座组成。轴器、发电机和机座组成。主轴锁紧装置主轴锁紧装置主轴主轴材料:材料:42CrMo（常温）（常温） 34CrNiMo6+QT（寒带（寒带）制造:电炉，真空冶炼；制造:电炉，真空冶炼；加工方法:铸锭；加工方法:铸锭；锻造比:锻造比: 小小3.5；锻造精度:锻造精度:2级；级；严格执行严格执行

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