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除尘器的选用

 
单价: 面议
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供货总量: 1
发货期限: 自买家付款之日起 天内发货
所在地: 河北 沧州
有效期至: 2013-06-27 [已过期]
最后更新: 2013-03-29 17:10
浏览次数: 61
 
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<p class=\"MsoNormal\" style=\"margin: 0cm 0cm 0pt\"><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">1.</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">过滤速度的选择</span><span style=\"font-family: Tahoma; font-size: 9pt\"> </span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">过滤速度是<a href=\"http://www.czdhcc.com\">除尘器</a>选型的关键因素,应根据烟尘或粉尘的性质、运用场合、粉尘粒度、粘度、气体温度、含水份量、含尘浓度及失常滤料等因历来判定。</span><span style=\"font-family: Tahoma; font-size: 9pt\"> </span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">当粉尘粒度较细,温、湿度较高,浓度大,粘性较大宜选低值。如</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">&le;1m/min</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">;反之可选高值,一般不宜跨过</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">1.7m/min</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">。关于粉尘粒度很大,常温、单调、无粘性,且浓度极低,则可选</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">1.5</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">~</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">2m/min</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">。</span><span style=\"font-family: Tahoma; font-size: 9pt\"> </span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">过滤速度选用时,应计算在减少一室(清灰时)过滤面积时的净过滤风速不宜跨过上述数值。</span><span style=\"font-family: Tahoma; font-size: 9pt\"> </span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">  </span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">2.</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">过滤资料</span><span style=\"font-family: Tahoma; font-size: 9pt\"> </span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">应根据含尘气体的温度、含水份量、酸、碱性质、粉尘的粘度、浓度和磨啄性等凹凸、大小来思索。</span><span style=\"font-family: Tahoma; font-size: 9pt\"> </span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">一般在含水量较小,无酸性时根据含尘气体温度来选用,常温或</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">&le;120&deg;C</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">时,常用</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">500</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">~</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">550g/m2</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">的涤纶<b>针刺毡</b>。</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">&lt;250&deg;C</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">时,选用芳纶诺梅克斯<b>针刺毡</b>或</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">800g/m2</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">玻纤<b>针刺毡</b>或</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">800g/m2</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">纬两层玻纤织物或氟美斯[</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">FMS</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">]高温滤料(含氟气体不能用玻纤资料)。</span><span style=\"font-family: Tahoma; font-size: 9pt\"> </span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">当含水份量较大,粉尘浓度又较大时,宜选用防水、防油滤料(或称抗结露滤料)或覆膜滤料(基布应是始末防水处置的<b>针刺毡</b>)。当含尘气体含酸、碱性且气体温度</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">&le;190&deg;C</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">,常选用莱通(</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">Ryton</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">聚苯硫醚)<b>针刺毡</b>。气体温度</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">&le;240&deg;C</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">,耐酸碱性央求不太高时,选用</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">P84</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">(聚酰亚胺)<b>针刺毡</b>。</span><span style=\"font-family: Tahoma; font-size: 9pt\"> </span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">当含尘气体为易燃易爆气体时,选用防静电绦纶<b>针刺毡</b>,当含尘气体既有肯定的水份又为易燃易爆气体时,选用防水防油防静电(三防)绦纶<b>针刺毡</b>。</span><span style=\"font-family: Tahoma; font-size: 9pt\"> </span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">  </span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">3.</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">控制仪</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">,</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">长袋脉冲除尘器清灰控制选用</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">PLC</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">微电脑程控仪,分定压</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">(</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">自动</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">)</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">、守时</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">(</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">自动</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\">)</span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">,手动三种控制办法。</span><span style=\"font-family: Tahoma; font-size: 9pt\"> </span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">定压控制:按设定压差进行控制,除尘器压差跨过设定值,各室自动依次清灰一遍。</span><span style=\"font-family: Tahoma; font-size: 9pt\"> </span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">守时控制:按设守时辰,每隔一个清灰周期,各室依次清灰一遍。</span><span style=\"font-family: Tahoma; font-size: 9pt\"> </span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">手动控制:在现场操作柜上可手动控制依次各室自动清灰一遍,也可对每个室单独清灰。</span><span style=\"font-family: Tahoma; font-size: 9pt\"> </span><span style=\"font-family: 宋体; font-size: 9pt; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma\">由用户选定控制办法,用户无央求时,则按守时控制供货。</span><span lang=\"EN-US\" style=\"font-family: Tahoma; font-size: 9pt\"><o:p></o:p></span></p>
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