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電廠供熱蒸汽流量計

電廠供熱蒸汽流量計是根據(jù)卡門(Karman)渦街原理測量過熱蒸汽體積流量、標況的體積流量或質量流量的體積流量計。并可作為流量變送器應用于自動化控制系統(tǒng)中。采用**的差動技術,配合隔離、屏蔽、濾波等措施,克服了同類產(chǎn)品抗震性差、小信號數(shù)據(jù)紊亂等問題,并采用了獨特的傳感器封裝技術和防護措施,

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    電廠供熱蒸汽流量計是根據(jù)卡門(Karman)渦街原理測量過熱蒸汽體積流量、標況的體積流量或質量流量的體積流量計。并可作為流量變送器應用于自動化控制系統(tǒng)中。采用**的差動技術,配合隔離、屏蔽、濾波等措施,克服了同類產(chǎn)品抗震性差、小信號數(shù)據(jù)紊亂等問題,并采用了獨特的傳感器封裝技術和防護措施,保證了產(chǎn)品的可靠性。產(chǎn)品有基本型和復合型兩種型式,基本型測量單**量信號;復合型可同時實現(xiàn)溫度、壓力、流量的測量。每種型式都有整體、分體結構,以適應不同的安裝環(huán)境???*用于大、中、小型各種管道給排水、工業(yè)循環(huán)、污水處理,油類及化學試劑以及壓縮空氣、飽和及過熱蒸汽、天然氣及各種介質流量的計量。

過熱蒸氣密度表( Kg/m 3 )
**壓力溫度 t( ℃ )
p /MPa140150160170180190200210220230240
0.201.0701.0421.0160.9920.9690.9470.9260.9060.8870.8680.851
0.301.6221.5781.5371.4991.4631.4281.3961.3651.3361.3081.281
0.40-2.1272.0672.0141.9641.9161.8721.8291.7891.7511.715
0.50--2.6082.5382.4722.4112.3532.2992.2472.1982.152
0.55--2.8822.8032.7292.6612.5962.5352.4782.4242.372
0.60--3.1593.0712.9892.9122.8412.7732.7102.6502.593
0.65---3.3413.2503.1653.0873.0132.9432.8772.815
0.70---3.6143.5143.4213.3343.2533.1173.1053.037
0.75---3.8893.7793.6783.5843.4953.4133.3353.261
0.80----4.0483.9373.8353.7393.6493.5653.486
0.85----4.3184.1984.0873.9843.8873.7973.711
0.90----4.5914.4614.3424.2314.1274.0303.938
1.00----5.1454.9954.8564.7294.6104.4994.395
1.10-----5.5375.3795.2335.0984.9734.855
1.20-----6.0895.9095.7445.5935.4525.321
1.30------6.4486.2636.0935.9365.790
1.40------6.9966.7896.6006.4266.265
1.50------7.5547.3247.1146.9226.744
1.60-------7.8677.6357.4247.229
1.70-------8.4188.1637.9317.719
1.80-------8.9788.6998.4468.214
1.90-------9.5489.2438.9678.715
2.00--------9.7959.4959.222
2.10--------10.3610.039.735
2.20--------10.9310.5710.25
2.30--------11.5111.1210.78
2.40---------11.6811.31
2.50---------12.2511.85
2.60---------12.8312.40
2.70---------13.4112.96
2.80----------13.52
2.90----------14.09
3.00----------14.67
3.10----------15.26
3.20----------15.86
3.30----------16.47
3.40-----------
3.50-----------
4.00-----------









附 錄
























續(xù)附表二

































過熱蒸氣密度表( Kg/m 3 )
**壓力溫度 t( ℃ )
p /MPa250260270280290300310320330340350
0.200.8340.8180.8030.7880.7740.7600.7470.7340.7210.7090.698
0.301.2561.2301.2081.1851.1631.1421.1221.1031.0841.0661.049
0.401.6801.6471.6151.5851.5551.5271.5001.4741.4491.4241.401
0.502.1082.0662.0251.9861.9491.9141.8791.8461.8141.7841.754
0.552.3232.2762.2312.1882.1472.1082.0702.0331.9981.9641.931
0.602.5392.4872.4382.3912.3452.3022.2602.2202.1822.1452.109
0.652.7552.6992.6962.5942.5442.4972.4522.4082.3662.3262.287
0.702.9732.9122.8532.7972.7442.6932.6432.5962.5512.5072.465
0.753.1913.1253.0623.0012.9942.8892.8362.7852.7362.6892.643
0.803.4113.3393.2713.2063.1443.0853.0282.9742.9212.8712.822
0.853.6313.5543.4813.4123.3453.2823.2213.1633.1073.0533.001
0.903.8523.7703.6923.6183.5473.4803.4153.3533.2933.2363.181
1.004.2964.2044.1164.0323.9523.8763.8043.7343.6673.6033.541
1.104.7454.6414.5424.4494.3604.2754.1944.1164.0423.9713.902
1.205.1985.0824.9724.8694.7704.6764.5874.5014.4194.3404.265
1.305.6545.5265.4055.2915.1825.0794.9814.8874.7984.7114.629
1.406.1145.9745.8415.7165.5985.4855.3785.2755.1785.0844.994
1.506.5796.4256.2806.1446.0155.8935.7765.6655.5605.4585.361
1.607.0496.8806.7236.5756.4356.3036.1776.0575.9435.8345.729
1.707.5227.3407.1697.0096.8586.7156.5806.4516.3296.2116.099
1.808.0017.8037.6197.4467.2847.1316.9856.8476.7166.5906.470
1.908.4848.2718.0727.8867.7127.5847.3937.2457.1056.9716.843
2.008.9738.7438.5298.3308.1447.9687.8027.6457.4967.3537.217
2.109.4669.2198.9908.7778.5788.3918.2148.0477.8887.7377.593
2.209.9659.7009.4559.2289.0159.9658.6288.4518.2838.1237.970
2.3010.4710.199.9249.6829.4569.2449.0458.8578.6798.5108.349
2.4010.9810.6810.4010.149.8999.6759.4649.2669.0788.8998.730
2.5011.5011.1710.8710.6010.3510.119.8869.6769.4789.2909.112
2.6012.0211.6711.3611.0710.8010.5510.3110.099.8809.6839.495
2.7012.5512.1811.8411.5311.2510.9810.7410.5010.2810.089.880
2.8013.0812.6912.3312.0111.7111.4311.1710.9210.6910.4710.27
2.9013.6213.2112.8312.4812.1711.8711.6011.3411.1010.8710.66
3.0014.1713.7313.3312.9712.6312.3212.0311.7611.5111.2711.05
3.1014.7314.2613.8413.4513.1012.7712.4712.1911.9211.6711.44
3.2015.3014.8014.3513.9413.5713.2312.9112.6212.3412.0811.83
3.3015.8715.3414.8614.4414.0513.6913.3613.0512.7612.4812.23
3.4016.4515.8915.3914.9414.5314.1513.8013.4813.1812.8912.63
3.5017.0416.4415.9115.4415.0114.6114.2513.9113.6013.3013.02
4.00-19.3418.6518.0417.4917.0016.5516.1315.7415.3915.05
電廠供熱蒸汽流量計選型:
類型
XT-LUGB
XT-LUW
脈沖輸出
現(xiàn)場顯示、帶4~20mA輸出

通徑(mm)流量范圍(/h)
DN25
DN32
DN40
DN50
DN80
DN100
DN150
Dn200
1~10(液體)    25~60(氣體)
1.5~18(液體)   15~150(氣體)
2.2~27(液體)  22.6~150(氣體)
4~55(液體)   35~350(氣體)
9~135(液體)    90~900(氣體)
14~200(液體)   140~1400(氣體)
32~480(液體)  300~3000(氣體)
56~800(液體)   550~5500(氣體)
備注:1、蒸汽流量范圍請查看表3。
      2、DN250~DN600可按客戶要求訂貨。
      3、DN300以上口徑推薦使用插入式渦街流量計,可定做。

壓力等級

P1
P2
P3

1.6MPa
2.5MPa
4.0MPa

法蘭材料
B1
B2
不銹鋼
碳鋼

介質溫度
T1
T2
T3
常溫
高溫
蒸汽

連接方式
L1
L2
法蘭卡裝式
法蘭連接式

供電電源
D1
D2
內部3.6V供電
DC24V供電

精度等級
E1
E2
1.0級
1.5級
XT-LUGB-DN25-P1B1T1L1D2E1型號舉例

電廠供熱蒸汽流量計安裝環(huán)境要求:

  1. 盡可能避開強電設備、高頻設備、強開關電源設備。儀表的供電電源盡可能與這些設備分離。

  2. 避開高溫熱源和輻射源的直接影響。若必須安裝,須有隔熱通風措施。

  3. 避開高濕環(huán)境和強腐蝕氣體環(huán)境。若必須安裝,須有通風措施。

  4. 渦街流量儀表應盡量避免安裝在振動較強的管道上。若必須安裝,須在其上下游2D處加設管道緊固裝置,并加防振墊,加強抗振效果。

  5. 儀表*好安裝在室內,安裝在室外應注意防水,特別注意在電氣接口處應將電纜線彎成U形,避免水順著電纜線進入放大器殼內。

  6. 儀表安裝點周圍應該留有較充裕的空間,以便安裝接線和定期維護。

 


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