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Beijing DaFuQiao Machinery Electric Co., Ltd
Ying Feng
2F B.NO80.Guang an ●●●●●●●●●●●●●●●●●●● District,Beijing,,
bei●●●ing , bei jing, 100054
CN
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Beijing DaFuQiao Machinery Electric Co., Ltd
Ying Feng
2F B.NO80.Guang an ●●●●●●●●●●●●●●●●●●● District,Beijing,,
bei●●●ing , bei jing, 100054
CN
View this contact
HiChina Web Solutions Limited
hichina
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Be●●ng , Beijing, 100011
CN
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HiChina Web Solutions Limited
hichina
3/F., HiChina Mansion●●●●●●●●●●●●●●●●●●●●●ue,Dongcheng District
Be●●ng , Beijing, 100011
CN
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哈密市第一即时新闻门户 - 哈密市新闻网dafuqiao.com | dafuqiao.com Reviews
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北京大福桥机电有限公司由原国营
dafuqiao.com
节能改造
http://www.dafuqiao.com/news/2014-02-11/134.html
发布时间 2014-02-11 12:41:19 / 来源 北京大福桥机电公司. 对于风机、泵类负载，流量与转速成正比 Q 1/Q2→η1/η2，扬程与转速的平方成正比 H 1/H2→ η1/η2 2 ，而电机的轴功率与转速的立方成正比 H 1/H2→ η1/η2 3。 因此，采用变频技术调节不同流量时消耗的功率为 P变=n3Ped= Q3Ped 公式1. P阀= 04 0.6Q Ped 公式2. P变=n3Ped= Q3Ped=0.53 Ped =0.125 Ped 结论1. P阀= 04 0.6Q Ped= 0.4 0.6×0.5 Ped =0.7 Ped 结论2. 所以，两种方式的节电率为 0.7-0.125 /0.7≈82% 结论3. 热门信息 / Hot News. 电话 010-63268100 / 传真 010-63542468 / E-mail bjdfq@sina.com.
使用操作
http://www.dafuqiao.com/news/2014-02-11/136.html
发布时间 2014-02-11 12:42:45 / 来源 北京大福桥机电公司. 1、风机启动后可根据生产需要缓慢调整扩压器开度，用扩压器“开启”键和“关闭”键控制，以保证必要的风量。 热门信息 / Hot News. 电话 010-63268100 / 传真 010-63542468 / E-mail bjdfq@sina.com.
远景能源低风速风机市场再发力
http://www.dafuqiao.com/news/2014-02-11/138.html
发布时间 2014-02-11 12:46:38 / 来源 北京大福桥机电公司. 自2009年起,远景能源陆续推出了业界首台1.5兆瓦87米机组、1.5兆瓦93米机组以及2.1兆瓦110米机组,在低风速领域奠定了技术领先优势。 热门信息 / Hot News. 电话 010-63268100 / 传真 010-63542468 / E-mail bjdfq@sina.com.
鼓风机实物展示
http://www.dafuqiao.com/case/ls/143.html
发布时间 2014-02-11 13:03:42 / 来源 北京大福桥机电公司. 推荐案例 / Recommend Case. 电话 010-63268100 / 传真 010-63542468 / E-mail bjdfq@sina.com.
工作原理
http://www.dafuqiao.com/news/2014-02-11/135.html
发布时间 2014-02-11 12:42:07 / 来源 北京大福桥机电公司. 单级高速离心风机的工作原理是 原动机通过轴驱动叶轮高速旋转，气流由进口轴向进入高速旋转的叶轮后变成径向流动被加速，然后进入扩压腔，改变流动方向而减速，这种减速作用将高速旋转的气流中具有的动能转化为压能 势能 ，使风机出口保持稳定压力。 但是，当风机转速下降，风量减小时，风压将发生很大变化，由风机比例定律 Q1/Q2=(n1/n2 ，H1/H2=(n1/n2 2，P1/P2=(n1/n2 3. 当θ 0°时，进口导叶将使气流进口的绝对速度沿圆周速度方向偏转θ角，同时对气流进口的速度有一定的节流作用，这种预旋和节流作用将导致风机性能曲线下降，从而使运行工况点变化，实现风机流量调节。 当进口导叶安装角由θ1=0°增大为θ2或θ3时，运行工况点由M1移至M2或M3 流量由Q1减小至Q2或Q3 轴功率由P′1减少至P′2或P′3。 而选择导叶调节方式的鼓风机，在保持出口压力恒定条件下可以较大范围调节风量 50% 100% ，以保证污水中溶解氧含量稳定，相对地节省了能源。 热门信息 / Hot News.
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Dafuqer7 (Peter Vukusic) - DeviantArt
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哈密市第一即时新闻门户 - 哈密市新闻网dafuqiao.com
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DafuqIJustReadplz (Bert) - DeviantArt
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Just Putting It Out There… – SEND'SITSHO NJE!!!
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dafuqKIDRAUHL's blog - Dαfuq ? - Skyrock.com
10/04/2013 at 4:45 PM. 31/10/2013 at 5:44 PM. Subscribe to my blog! 2 comz pour être prévenue 1 kiff. VA REGARDER CETTE VIDÉO JEAVEN :). The blog's author only accepts comments from Skyrock members. You haven't logged in. Click here to post a comment using your Skyrock username. And a link to your blog, as well as your photo, will be automatically added to your comment. Posted on Sunday, 14 April 2013 at 12:38 PM. Edited on Sunday, 14 April 2013 at 4:35 PM. Elle lui a demandé de choisir. Post to my blog.
