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I-LJQF-7800-DN10-300 I-Critical Flow Venturi Sonic Nozzle Uhlobo Lwegesi

LJQF-7800-DN10-300 I-Critical Flow Venturi Sonic Nozzle Uhlobo Lwegesi Ukugeleza Isithombe Esifakiwe
  • I-LJQF-7800-DN10-300 I-Critical Flow Venturi Sonic Nozzle Uhlobo Lwegesi

Incazelo emfushane:

I-“Critical Flow Venturi Sonic Nozzle Gas Flow Standard Device” iyindinganiso yokuhlanganisa nokudluliselwa kwamanani eyunithi yokugeleza, futhi iyidivayisi yokulinganisa evamile yokulandelelwa kwevelu, ukudluliswa kwevelu nokutholwa kwezinto zokusebenza zokuthola ukugeleza kwegesi. Leli sethi lamadivayisi lisebenzisa i-value flow Venturi nozzle njengetafula elivamile nomoya njengendawo yokuhlola ukuze kwenziwe ukuqinisekiswa kwe-metrological, ukulinganisa nokuhlola amamitha okugeleza kwegesi ahlukahlukene.

I-absolute pressure transmitter nesidlulisi sezinga lokushisa esilungiselelwe kule divayisi sikala ingcindezi yomoya kanye nezinga lokushisa ngaphambi nangemuva kokuhlolwa kwe-nozzle kanye ne-flowmeter, kanye nomfutho wangemuva we-nozzle. Isistimu yokulawula iqoqa ngokuvumelanisa futhi icubungule amapharamitha ahlukahlukene ngesikhathi sangempela phakathi nenqubo yokulinganisa. Ikhompyutha ephansi ihlulela futhi ilinganisele idatha elayishwe umthumeli futhi iyigcine. Ngalesi sikhathi, idatha ehlanekezelwe yi-transmitter ngokwayo iyasuswa. Ngemva kokuthola idatha emaphakathi evela kukhompyutha ephansi, ikhompuyutha ephezulu iyigcina kudathabheyisi yomphumela wokuqinisekisa odluliswayo, futhi ngesikhathi esifanayo yenza isahlulelo sesibili kanye nokuhlola kudatha egciniwe ukuze kuqinisekiswe ukuthi idatha ehilelekile ekubalweni inembile futhi ithembekile, futhi ukulungiswa kuyenzeka ngempela.

Kuhlelo lwekhompiyutha yedivayisi, ukusebenza kokusungula noma ukulungisa idatha eyisisekelo yohlelo kusethiwe. Ngokungeziwe kusizindalwazi somphumela wokuqinisekiswa komthumeli, isizindalwazi esiyisisekelo se-nozzle futhi sakhelwe ukugcina amapharamitha afana nenombolo ye-serial kanye ne-outflow coefficient yomlomo ngamunye ofakwe idivayisi. Uma idatha yokuqinisekisa i-nozzle ishintsha noma kushintshwa umlomo wombhobho omusha, umsebenzisi udinga kuphela ukulungisa idatha eyisisekelo.


Imininingwane Yomkhiqizo

Omaka bomkhiqizo

  • I-Calibration medium: umoya ohlanzekile.
  • Indlela yokulinganisa: indlela yokucindezela okungekuhle .
  • Ibanga lokugeleza: (0.5～7800)m³/h (nokusebenzelana okubekelwe ukunwetshwa kuye ku-16000m³/h).
  • Ukungaqiniseki okunwetshiwe kwedivayisi:U = 0.33% (k = 2). Nikeza ngesitifiketi sokuqinisekisa esikhishwe umnyango kazwelonke wokuqinisekisa i-metrology.
  • Izinga lokunemba kwenozzle ye-Sonic: 0.2. Nikeza ngesitifiketi sokuqinisekisa esikhishwe umnyango kazwelonke wokuqinisekisa i-metrology, futhi impahla yokukhiqiza iyinsimbi engagqwali engu-304.
  • Ukuzinza kokugeleza kwedivayisi: ≤0.1%.
  • Umkhumbi omile: Umthelela wokucindezela nokuguquguquka kwezinga lokushisa kudatha yokulinganisa kulawulwa ngaphakathi kwe-1/5 yokungaqiniseki kokulinganisa kwayo yonke idivayisi.
  • Ukulawulwa kwephoyinti lokugeleza kokuqinisekisa: <3min. Isixazululo sesibali sikhathi singcono kune-0.001s, enembobo yekristalu futhi ingahlakazwa, isilinganiso semvamisa yesikhathi sandisa ukungaqinisekiU = 3×10-6( k = 2) , kanye nesitifiketi esikhishwe umnyango wesifundazwe noma osemthethweni wokuqinisekisa i-metrology.
  • Isilinganiso sokuhlola: DN10, DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200 , DN250, DN300, ingqikithi yamakhalori angu-15.
  • Ipayipi lokuhlola eliyisisekelo: Kunamapayipi okuhlola angu-7 anobubanzi be-DN50 (ahambisana ne-DN40/32/25/15/10), DN80 (ihambisana no-65), DN100, DN150 (ihambisana ne-125), DN200, DN250, kanye ne-DN300. Ukukhuphuka komfula wepayipi ngalinye lokuhlola i-pneumatic clamp, eqhuba ukugudluzwa nokubopha kwengxenye yamapayipi aqondile akhuphuka nomfula. Ukuqina kodonga lwepayipi kusekelwe ezingeni likazwelonke, elenziwe ngezinto zensimbi engagqwali ezingu-304, ezifakwe i-muffler, kanye netafula lokuhlola eliphakamisayo elizenzakalelayo.
  • Ipayipi lokuhlola imitha: izimo zokusebenza zingumfutho ongemuhle kancane, umoya; izinga lokuvuza: ukubekwa uphawu kwamazinga angu-6, ukuvuza kwe-zero; amavalvu ebhola womoya asetshenziswa njengamapayipi avaliwe e-DN150 nangaphansi, futhi amavalvu ovemvane womoya asetshenziswa njengamapayipi avaliwe e-DN200 nangaphezulu.
  • Izinhlobo zama-flowmeters ahloliwe: i-turbine flowmeter, i-vortex flowmeter, i-swirl flowmeter, i-flowmeter ye-ultrasonic, i-different pressure flowmeter, i-positive flowmeter, i-Coriolis mass flowmeter, i-thermal gas mass flowmeter.
  • I-Absolute pressure transmitter: izinga lokunemba ngu-0.075, isikhathi sokuphendula: ≤1ms, ububanzi bokulinganisa ngu-(0～110)kPa. Setha amapayipi okuhlola amamitha angu-7 ukuze ahlukaniselane isitsha esi-1, esi-1 esikhulu esimile ukuze enze isampula lamaphuzu angu-3 ngendlela efanayo, isitsha esi-1 esincane esingamile, isamba esingu-3, ​​futhi unikeze ngezitifiketi ezikhishwe iminyango yokuqinisekisa i-metrology yesifundazwe nangaphezulu. Setha isitsha esi-1 esikhulu nesingu-1 esincane se-vacuum back pressure, ngasinye sineleveli yokunemba engu-0.5.
  • Isidlulisi sezinga lokushisa: Iphutha eliphakeme elivunyelwe ngu-±0.2℃, inani lokuthweswa iziqu ngu-0.1℃, futhi ububanzi bokulinganisa ngu-(0～50)℃. Misa ipayipi ngalinye lokuhlola imitha , imikhumbi emibili emikhulu emile, kanye nomkhumbi owodwa omncane ongamile, ingqikithi eyi-10, futhi unikeze isitifiketi esikhishwe umnyango wokuqinisekisa i-metrology osemthethweni ezingeni lesifundazwe noma ngaphezulu.
  • Isidlulisi somswakama: Iphutha elikhulu elivumelekile ±2%RH, ububanzi bokulinganisa ngu-(0～100)%RH. Setha isiqukathi esikhulu esimile esi-1 kanye nesiqukathi esincane esi-1 esimile, isamba esingu-2, futhi unikeze ngesitifiketi esikhishwe umnyango wokuqinisekisa i-statutory metrology ezingeni lesifundazwe noma ngaphezulu.
  • Ukubekwa uphawu: Idivayisi igcina ingcindezi imizuzu emi-5, futhi izinga lokushintsha kwesilinganiso sokucindezela okuphelele kuya ekushiseni okuphelele esitsheni esimile alidluli ku-0.1%.
  • I-Valve: Indawo ye-nozzle isebenzisa ama-valve amabhola amabili aphezulu naphansi, womabili asebenzisa ama-valve ebhola womoya, izinga lokuvuza: ukuvalwa kwezinga elingu-6, ukuvuza okunguziro.
  • Isilinganiso sokucindezela okubuyela emuva kokugeleza okubalulekile: Uma yonke idivayisi isebenza ngokulayisha okuphelele (7800 m³ /h), isilinganiso esibalulekile sokucindezela emuva kwedivayisi asisikhulu kuno-0.8; uma izinga lokugeleza lingu-≤ 64 m³ /h, isilinganiso esibalulekile sokucindezela emuva kwedivayisi asisikhulu kuno-0.5.
  • Ukunikezwa kwamandla kwedivayisi: AC 3×380V～50Hz; amandla okusabalalisa isiyonke awekho ngaphansi kuka-250kW.
  • Izimpawu zemitha ngaphansi kokuhlolwa: isignali ye-pulse (frequency), isignali ye-analog (4-20) mA, imitha yokufunda eqondile ngaphandle kwe-transmitter (multimedia), njll.
  • Okubalulekile kwedivayisi: Umzimba wedivayisi nengxenye yemitha yenziwe ngensimbi engagqwali engu-304, futhi okokusebenza kwegumbi lepompo nezisekelo zamapayipi zenziwe ngesifutho sensimbi ye-carbon ukuze kuvikelwe ukugqwala.
  • Indlela yokulawula: Ngaphandle kokubopha mathupha kwethuluzi elihloliwe, zonke ezinye izikali zingaqedelwa ngokuzenzakalelayo kukhompuyutha (faka kalula ulwazi olufanele namapharamitha wethuluzi elihloliwe), noma kuqedwe mathupha.
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