除尘器的选用

<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>