<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">一、工作原理*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">YT-LUGB涡街流量计主要用于工业管道介质流体的流量测量,如气体、液体、蒸气等多种介质。其特点是压力损失小,量程范围大,精度高,在测量工况体积流量时几乎不受流体密度、压力、温度、粘度等参数的影响。无可动机械零件,因此可靠性高,维护量小。仪表参数能长期稳定图1所示。涡街流量计采用压电应力式传感器,可靠性高,可在-50℃~+350℃的工作温度范围内工作。有模拟标准信号,也有数字脉冲信号输出,容易与计算机等数字系统配套使用,是一种比较理想的流量仪表。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">二、技术参数*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">1、测量介质:气体、液体、蒸气;*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">2、口径规格-法兰卡装式口径选择:25、32、50、80、100;*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">3、法兰连接式口径选择:100、150、200;*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">4、流量测量范围-正常测量流速范围:雷诺数1.5×104~4×106;气体5~50m/s; 液体0.5~7m/s;*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">5、测量精度:1.0级、1.5级;*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">6、被测介质温度:常温–25℃~100℃;高温–25℃~150℃、–25℃~250℃;*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">7、输出信号-脉冲电压输出信号:高电平8~10V;低电平0.7~1.3V;*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">8、脉冲占空比约50%,传输距离为100m;*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">9、脉冲电流远传信号:4~20 mA,传输距离为1000m;*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">10、仪表使用环境:温度:-25℃~+55℃;湿度:5~90% RH50℃;*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">11、材质:不锈钢,铝合金;*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">12、电源:DC24V或锂电池3.6V;*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">三、流量范围表(单位:m3/h)*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="font-family:宋体">通径(DN)*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">液体流量范围(m3/h)*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">输出频率范围(Hz)*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">气体流量范围(m3/h)*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">输出频率范围(Hz)*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">15*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">1.2~6.2*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">90~900*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">5~25*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">265~2640*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">20*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">1.5~10*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">40~396*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">8~50*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">218~1982*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">25*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">1.6~16*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">32~325*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">10~70*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">172~1420*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">32*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">2~20*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">20~250*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">15~150*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">130~1350*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">40*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">2.5~25*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">13~130*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">22~220*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">115~1147*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">50*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">3.5~35*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">9~93*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">36~320*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">96~854*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">65*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">6~60*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">8~82*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">50~480*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">61~583*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">80*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">10~100*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">6~65*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">70~640*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">45~417*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">100*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">15~150*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">5~50*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">130~1100*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">43~367*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">125*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">25~250*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">5~47*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">200~1700*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">33~290*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">150*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">40~400*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">4~40*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">280~2240*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">27~221*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">200*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">80~800*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">3~33*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">580~4960*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">24~207*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">250*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">140~1400*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">3~26*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">970~8000*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">20~171*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">300*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">200~2000*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">2~22*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">1380~11000*n>*n> |
<*n style="font-size:12px"><*n style="font-family:宋体">17~136*n>*n> |
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff"><*n style="font-size:12px">四、产品选型表*n>*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">型号*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">通径*n>*n>*n> |
|
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">YT-LUGB*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">DN15-900*n>*n>*n> |
|
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">代号*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">安装方式*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">A1*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">卡装式*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">A2*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">法兰式*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">A3*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">插入式*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">代号*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">被测介质*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">B1*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">液体 *n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">B2 *n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">气体*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">B3*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">蒸汽*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">代号*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">流量探头材质*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">C1*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">304*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">C2*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">316*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">代号*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">传感器材质*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">K1*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">304*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">K2*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">316*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">代号*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">精度等级*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">E1*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">1.0级*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">E2*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">1.5级*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">代号*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">信号输出*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">F1*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">4-20Ma(两线制)*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">F2*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">4-20Ma(三线制)*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">F3*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">RS485通讯*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">F4*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">RS485 Modbus*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">F5*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">HART*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">F6*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">频率输出*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">F7*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">现场显示*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">F8*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">4-20mA+频率+RS485*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">代号*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">温压补偿*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">N*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">无温压补偿*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">Y*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">有温压补偿*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">代号*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">温度*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">T1*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">常温型*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">T2*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">中温型*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">T3*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">高温型*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">代号*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">压力等级*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">P1*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">1.6MPa*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">P2*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">2.5MPa*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">P3*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">4.0MPa*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">P4*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">6.3MPa*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">代号*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">供电电源*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">D1*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">3.6V电池供电*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">D2*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">DC24V电源供电*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">代号*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">防护等级*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">U1*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">IP65无防爆*n>*n>*n> |
<*n style="font-size:12px"> *n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">U2*n>*n>*n> |
<*n style="font-size:12px"><*n style="font-size:12px"><*n style="font-family:宋体">IP65有防爆*n>*n>*n> |
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">注:DN300以上口径推荐使用插入式涡街流量计,可定制。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">五、安装规范*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">涡街流量计是一款测量气体、液体、蒸汽的计量仪表,正确安装涡街流量计可以更好的发挥它的使用效能。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">1、合理选择安装场所和环境。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">避开强电力设备,高频设备,强电源开关设备;避开高温热源和辐射源的影响,避开强烈震动场所和强腐蚀 环境等,同时要考虑安装维修方便。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">2、上下游必须有足够的直管段。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">若传感器安装点的上游在同一平面上有二个90°弯头,则:上游直管段≥25D,下游直管段≥5D。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">若传感器安装点的上游在不同平面上有二个90°弯头,则:上游直管段≥40D,下游直管段≥5D。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">调节阀应安装在传感器的下游5D以外处,若必须安装在传感器的上游,传感器上游直管段应不小于50D,下游应有不小于5D。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">3、安装点上下游的配管应与传感器同心,同轴偏差应不小于0.5DN。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">4、管道采取减振动措施。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">传感器尽量避免安装在振动较强的管道上,特别是横向振动。若不得已要安装时,必须采取减振措施,在传感器的上下游2D处分别设置管道紧固装置,并加防振垫。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">5、在水平管道上安装是流量传感器的安装方式。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">测量气体流量时,若被测气体中含有少量的液体,传感器应安装在管线的较高处。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">测量液体流量时,若被测液体中含有少量的气体,传感器应安装在管线的较低处。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">6、传感器在垂直管道的安装。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">测量气体流量时,传感器可以安装在垂直管道向不限。若被测气体中含有少量的液体,气体流向应由下向上。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">测量液体流量时,液体流向应由下向上:这样不会将液体重量额外附加在探头上。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">六、安装注意事项*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">涡街流量计属于对管道流速分布畸变、旋转流和流动脉动等敏感的流量计,因此,对现场管道安装条件应充分重视,遵照生产厂使用说明书的要求执行。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">1、涡街流量计可安装在室内或室外。如果安装在地下井里,有水淹的可能,要选用潜水型传感器。传感器在管道上可以水平、垂直或倾斜安装,但测量液体和气体时为防止气泡和液滴的干扰,安装位置要注意,*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">2、涡街流量计必须保证上、下游直管段有必要的长度,在各种资料中数据有差异,其原因可能是旋涡发生体尚未标准化,形状尺寸的差异有多少影响尚待验证;对各类阻流件必要的直管段长度试验研究尚不够,即还不成熟,对比节流式差压流量计,这方面工作还处于初始阶段。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">3、传感器与管道的连接。在与管道连接时要注意以下问题。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">a、上、下游配管内径D与传感器内径D′相同,其差异满足下述条件:0.95D≤D′≤1.1D。*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">b、配管应与传感器同心,同轴度应不小于0.05D′*n>*n>*n>*n>
<*n style="font-size:12px"><*n style="color:#000000"><*n style="font-family:微软雅黑,宋体,Arial,"Arial Narrow",HELVETICA"><*n style="background-color:#ffffff">c、密封垫不能凸入管道内,其内径可比传感器内径大1~2mm*n>*n>*n>*n>