normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">一、运转前准备工作
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 0cm; TEXT-INDENT: 9pt; mso-pagination: widow-orphan; mso-char-indent-count: 1.0">1、必要时将泵内的防冻液彻底冲洗干净。
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">2、检查接管口是否紧固。
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">3、打开所有阀门使泵得到充足的液位。
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">4、调节泵出口管路减压阀,真空泵使泵能在最低压力下启动。
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">5、检查皮带,使其松紧适中。
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">二、启动
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">1、打开电源启动泵.
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">2、检查吸入压力或真空度是否正常(
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">3、检查泵有无异常声音,化工泵 液流是否稳定。
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan; tab-stops: 27.0pt">4、如发现泵系统中出现气堵而不能吸液应做以下处理:
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">a、关闭电源。
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">b、取下消防泵泵头底部中心的排水栓。
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">c、重新启动泵系统,直到液体从排水栓口流出。
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">d、关闭电源,拧紧排水栓。
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">5、调节排水压力控制器,螺杆泵 直到取得所需操作压力和旁通压力(泵的旁通压力不得超过泵的压力限度)。
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">6、调节安全泄压阀的压力,管道泵 使其压力比所需的操作压力高690Kpa。
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">三、关闭
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">1、将泵的吸入管路和排出管路断开。
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">2、取下泵底部中心的排水栓,开泵直到泵内液体全部排出。
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">3、关泵并安装排不栓。
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">4、如外界温度低于输送液休的结冰温度时,向泵内灌入防冻液。
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normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">
normal style="BACKGROUND: white; MARGIN: 0cm 18.75pt 0pt 7.5pt; mso-pagination: widow-orphan">