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江苏盐城
涡街流量计
盛秋巨献
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- LUGB型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、蒸汽等多种介质。其特点是压力损失小,无可动机械,本仪表采用压电应力式传感器,可靠性高,可在-20℃~+250℃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。测量原理:在流体中垂直地插入一根柱状阻力体时,在其两侧就会交替地产生旋涡,随着流体向下游方向运动,形成旋涡列,称为卡曼涡街。产生涡街的阻力体称旋涡发生体。实验证明,旋涡的频率与流速成正比
- 技术参数:采用标准Q/YHC0401-2001 JB/T6807-93测量介质气体、液体、蒸汽口径规格法兰卡装式口径规格25,40,50,65,80,100法兰连接式口径规格100,125,150,200接入式口径规格150~2000流量测量范围正常流速测量范围气体:5~50m/s 液体:0.5~7m/s正常流量测量范围液体、气体流量测量范围见表2 蒸汽流量测量范围见表3
插入式流量测量范围见表4测量精度法兰卡装式、法兰式为1级、1。5级插入工业管道上精度为2.5级被测介质温度-25 ℃~100 ℃ -25 ℃~150 ℃ -25 ℃~250 ℃工作压力1.6MPa; 2.5MPa; 4.0 MPa输出信号脉冲电压输出信号高电平:8~10V 低电平:0.7~1.3V (防爆型:高电平:4~5V 低电平:0.7~1.3V)脉冲占空比约为50%,传输距离为100米标准电流输出信号DC4~20mA 允许外接负载电阻小于600Ω(电源24V)传输距离为3000米仪表使用环境temperature:-25 ℃~+55 ℃ humidity: 5~90% RH50 ℃材质表体为1Cr18Ni9Ti,转换器外壳为铝合金,(表体根据订货要求可用00Cr17Ni14Mo2生产)电源DC12V±10%; DC24V±10%; or double lithium battery 3.6V 7.5Ah防爆等级T1~T5防护等级IP65前后直管段要求请见下表3.液体、工况气体流量范围:通径caliber
mmDN
mm15253240506580100125150200液体m3 /h0.3~41.2~161.5~182.25~304~555.9~849~13514~20022~33032~48056~800气体m3 /h5~3010.2~8015~15022~22035~35060~60090~900140~1400220~2200300~3000550~5500 - 饱和蒸汽流量范围:
- 通径压 力25mm32mm40mm50mm65mm80mm100mm150mm125mm200mm温度C密度kg/m 3最
小最
大最
小最
大最
小最
大最
小最
大最
小最
大最
小最
大最
小最
大最
小最
大最
小最
大最
小最
大0.12010122.51503622959358936001299172201.433482.254793.228405.73120.11.1260.22113629.521047333775201248801681.332882.084633.306284.681.108.34133.31.6380.3241513628056436926801521.152011.743452.785674.307506.131.3211.0143.22.1400.42718642340655361058361711.402312.143963.396405.248627.541.5113.6151.42.6350.53024846410726361189941881.692592.554443.986916.239668.951.7015.9158.33.1270.63425650470807331301.152061.952852.944894.667667.201.0710.31.8718.6164.43.6150.73732554530878331421.302252.203103.345315.228328.151.1611.72.0320.9169.84.0990.83932558600939311521.452432.473343.735725.918889.101.2513.12.1923.6174.74.5810.942394626501001.031631.612532.733574.126126.4493610.01.3414.52.3425.8179.25.0641.045441667201061.131731.762723.003794.516507.161.0011.01.4215.82.4928.6183.35.5531.147479707801121.231831.922893.264014.916877.671.0712.01.5017.32.6330.7187.26.0331.250463738501181.321932.053063.054225.297238.41.1213.01.5818.52.7633.6190.86.5091.352555779101231.422022.223143.774225.687578.881.1713.91.6520.02.8935.5194.26.9801.454593799701291.512112.373284.004616.077929.491.2214.81.7321.33.0237.6197.57.4561.557630821.001351.602192.523414.304816.4782510.31.2615.81.8022.63.1541.4200.57.9341.6596691.11401401.712292.683534.555016.8685810.71.3116.81.8724.13.2842.9203.58.4191.7617071.151461461.812372.833654.805197.2489011.31.3617.71.9425.93.4045.3206.28.8971.8637461.221511511.912462.983855.075387.6492211.91.4118.72.0126.93.5347.8208.99.3881.9667841.281551552.012543.143955.335568.0395412.61.4619.62.0828.33.6550.0211.59.8682.0688221.351611612.102623.274045.605748.4398513.21.5020.62.1529.63.7653.5213.910.353.0871.211.982072073.103384.845328.2174312.41.2719.31.9530.32.7843.54.8677.4234.615.214.01061.612.602512514.114096.4364711.089816.51.5325.72.4040.22.3557.85.87102.8250.720.214.31111.732.802642644.434296.9166611.694217.71.6127.72.4743.03.5262.26.17110.6254.921.74 - 注:上表中红色区域数据单位为t/h;其余数据单位为kg/h液(气)体插入式涡街流量计流量范围:通径
DN液体(m3/h)气体(m3/h)通径
DN液体(m3/h)气体(m3/h)最小最大最小最大最小最大最小最大200555705604530900114511450114509160525088885880707010001410141401413511309530012512751270101801100171017110171001368403501701735173013860120020352036020230162850400225226522601810013002385238952389019112545028628702860229051400277027710277052216605003503540353028275150031703180031700254455600505509050854071516003610362003610528951070069069306925554201800458045850457503664108009009050904572380200056505655056545452365结构及尺寸:- 法兰卡装式:主要用于通径在15~100范围内的满管式涡街表。参见图3及表5
- 法兰连接式:主要用于通径在100~200范围内的满管式涡街表。参见图3及表5
- 插入式:主要用于通径在200~2000范围内的大口径管道。参见图4
(球阀主要用于不断流装卸,在脏污介质中运行时便于定期清洗和维修。由用户根据需要自备)
- 表体型式公称通径mm压力等级MPaL
mmGD
mmd1
mmN-d2d
mmb
mm重量
kg常温高温法兰卡装式152.5~4.06628050065--15-7.5252.5~4.06628050065--25-7322.5~4.06628550572--32-10402.5~4.07029051080--40-11502.5~4.08529551590--50-12.5651.6~2.598310530105--65-17801.6~2.5110320540120--80-201001.6~2.5110330550150--100-27法兰连接式1001.62503105302151808-Φ1810026201251.62503235452452108-Φ1812526221501.63003355552802408-Φ2315028242001.632037059033529512-Φ232003031型号及代码:型号基本代码说明LUGB连接方式-1法兰式-2法兰卡装式-3插入式被测介质2液体3气体4蒸汽5热水被测管道通径标志-×××参见表1输出信号-2两线制脉冲-3三线制脉冲-4两线制4-20mA表头指示0无指示表头1智能数显指示(瞬时、累计量)配接电源XDC12V 仅配脉冲输出YDC24VZ电池供电表体材料-COCr18Ni12Mo2Ti-D1Cr18Ni9Ti压力11.6MPa22.5MPa34.0MPa防爆性能N无B本安防爆公称通径表通径 mm15253240506580100125150200250300350400450500通径标志001002003004005006008010012015020025030035040045050通径 mm6007008009001000110012001300140015001600…2000通径标志060070080090100110120130140150160…200
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