DL519042012电力建设施工技术规范第4部分热工仪表及控制装置

4TechnicalspecificationforthermalpowererectionandconstructionPart4:instrumentationandcontrolDL5190.4-2012DLlT5190.5-20042012142012~t4Technicalspecificationforthermalpowererectionandconstructionpt4:instrumentationandcontrolDL5190.42012DLfT5190.5-2004*19100005://)*2012320131850x1168323.1257330016000*155123'85026.00~A1=1DL5190.4-20122009(2009)163DL/T5190.5-20045DL51909123456789DL51904DL/T5190.5-200455.39DL5190.4~20123.1.68.4.1213DL/T5190.5-20045100761)11DL5190.4~201211u.............2.22.122.2...................32.3.43..53.153.263.383.4....................................103.5123.6.............143.7..143.8153.9154.174.1174.2.174.3.184.4...............................194.5.205225.1225.223IIIDL5190.4-2012503.......256266.1266.2266.3.286.4.........296.5.317.......337.1.337.2357.3368.................378.1378.2.388.3408.4409439.1.439.2.449.3.479.4479.5.48A50B51C·ι........................................53D58E59F60IVDL5190.42012G..62.6364.67VDL5190.4-2012ContentsForeword11Generalprovisions.................................................................12Basicrequirement........22.1Genera1requirement..........22.2Equipmentumpackingandstorage.32.3Constructionpreparation..43.Installationofsampling&sensitiveelement53.1Generalrequirement.........................................53.2Temperaωre....63.3Pressure83.4Flow....103.5Level.123.6Analysis.........143.7Specialinstruments143.8Weighing..............................................153.9Others.........154Installationoflocalmeasuring&controlinstrument..174.1Generalrequ.ement..............................................................174.2Pressure&differentialpressureindicatinginsument&ansmi174.3Switchinstrument184.4Analysisinstrument.....194.5Actuatω205Installationofcontrolpanel(consoleboxcabinet)--..............225.1Installationofcon01panel................22VIDL5190.4-20125.2Instal1ationofinstrument&equipmentonpanel235.3Instal1ationofcomputeranditsauxiliarysystem..........................256Layingandwiringofwiresandcables'266.1Generalrequirement266.2Instal1ationofcableconduit266.3Instal1ationofcablesupporthangerbridge...............................286.4LayingandfIxingofwireandcable.............................................296.5Wiring.317Pipe..............337.1Generalrequirement.........337.2Pipingbendingandconnecting........357.3ConduitfIxing368Protectionandgrounding378.1Explosion-proofandfrreproof........................378.2Antifreeze388.3Anticorrosion.....408.4Grounding.4091&Cdevicecommissioning'439.1Generalrequirement.....................................................439.2Instrument&alarmingdevicecommissioning....................449.3Insumentpipe&circuitcommissioning...........479.4Pre-trial-runningconditions479.5Listofdocuments48AppendixAPipe&valvesealingtestcriteria.........50AppendixBSelectionofgasketmaterial.................51AppendixCShorteststraightpipesectionlengthrequiredbyorificeplatenozzleandventurinozzle..........53AppendixDComputersignalclassification&cableselection58VIIDL5190.4-2012AppendixEMinimumdistaneebetweensignaleableandpowereable..............................59AppendixFMaterial&ealiberseleetionforinstrumentpipe60AppendixGPhysical&ehemicalpropertiesofeommonlyusedisolationliquid62Explanationofwordinginthiseode.63Normativestandard64Addition:Explanationofprovisions67VIIIDL5190.4-201211.0.11.0.21000MW1.0.3IDL5190.4-201222.12.1.12.1.22.1.32.1.42.1.52.1.62.1.72.1.82.1.912342.1.10GB/T501662DL5190.4-20122.2.2.2.112342.2.2DUT85515'C---AO'C80%2342.2.35'C24h2.2.43DL5190.4-:-20122.32.3.1123451672.3.22.3.31234A2.3.42.3.52.3.62.3.74DL5190.4-201233.13.1.13.1.23.1.33.1.43.1.53.1.611=3.1.7DLIT8693.1.83.1.93.1.10B3.1.11200mm;5DL5190.4-20123.1.123.1.133.33.43.1.143.1.153.1.163.1.173.23.2.13.2.23.2.33.2.43.2.53.2.63.2.76DL5190.4-201212343.2.81m3.2.93.2.1076mm3.2.111.6MPa3.2.123.2.1350mm3.2.141250mm70mm;250mmIOOmm2500mm1/2;500mm300mm7DL5190.4-201231/3~1/243.2.153.2.163.2.173.2.183.2.19IOOmm3.2.203.2.213.2.223.2.233.33.3.118DL5190.4-20122253O.lMPa456783.3.212453453.3.31300;23.3.43.3.59DL5190.4-20123.43.4.1GB/T2624.1'-'4d3.4.2GB/T2624.1'-'43.4.3C3.4.420.3%3.4.51043.4.6GB/T2624.1'-'43.4.73.4.83.4.93.4.103.4.113.4.123.3.2123.4.1310DL5190.4-20123.4.14453.4.153.4.163.4.173.4.180.60.23.4.193.4.201.01.521.55053.4.211:::!:3%5mm;0.510211DL5190.4-2012233043.4.223.4.233.53.5.13212331234123410m12DL5190.4-20123.5.53.5.63.5.73.5.83.5.9400mm3.5.10203.5.113.5.443.5.1275mm3.5.133.5.143.5.15503.5.1613DL5190.4-20123.5.173.63.6.13.6.23.6.33.6.43.73.7.1323.7.312314DL5190.4-20123.7.43.7.53.7.63.7.73.7.53.7.83.83.8.112343.8.23.93.9.115DL5190.4-20123.9.2333.9.43.9.53.9.645016DL5190.4-201244.14.1.14.1.24.1.3B4.1.44.1.54.24.2.111.5m;2102m4.2.216.4MPa3m260.CU4.2.317DL5190.4-20124.2.44.2.54.2.64.2.74.2.114.2.84.2.94.2.104.2.1110rnmlOO.C4.34.3.134.3.218DL5190.420124.3.34.3.44.3.54.44.4.11234.4.24.4.34.4.42.504.4.5DL/T6654.4.619DL5190.4-20124.54.5.1123424.5.3900rnm4.5.44.5.54.5.650%4748494.5.105m41120DL5190.4-20124124.5.134.5.144.5.1512344161124.5.1721DL5190.4201255.15.1.15.