Dab tsi yog qhov ntsuas tsis yog -invasive?
"Tsis yog-intrusive" yog hais txog lub hauv paus ntsiab lus ntawm kev tsim qauv: cov ntsuas ntsuas nyob twj ywm tag nrho sab nraud rau cov yeeb nkab, tsis txhob nkag mus rau phab ntsa yeeb nkab lossis tiv tauj qhov nruab nrab ntws. Qhov no sib piv nrog cov ntsuas ntsuas ib txwm muaj uas yuav tsum tau txiav rau hauv cov kav dej, txhim kho flanges, lossis tso cov sensors ncaj qha rau hauv txoj kev ntws.
Tsis yog-intrusive ultrasonic flow meter ntiav transducers mounted rau sab nraud yeeb nkab nto siv clamp- ntawm fixtures. Cov transducers no xa thiab tau txais cov cim ultrasonic uas dhau los ntawm cov yeeb nkab phab ntsa, los ntawm cov dej ntws, thiab rov qab los ntawm cov yeeb nkab phab ntsa -txhua yam tsis muaj kev cuam tshuam cov qauv kev ncaj ncees lossis kev huv ntawm cov kav dej.
Hauv ntau qhov kev lag luam, qhov clamp no-rau, sab nraud-- yeeb nkab tswvyim kuj tau piav qhia siv cov ntsiab lus xws liTsis muaj invasive ultrasonic flow meter, a Tsis tiv tauj ultrasonic flow meter,or ibSab nraud ultrasonic flow meter-txhua tus hais tias cov sensors nyob sab nraum cov yeeb nkab thiab tsis txhob kov qhov nruab nrab.
Cov ntsiab lus tseem ceeb ntsuas
Tsis yog-intrusive ultrasonic flow meter ua haujlwm ntawm ob lub hauv paus ntsiab lus ntawm lub cev, txhua qhov tsim nyog rau kev thov sib txawv:
Transit- Sijhawm Ntsuas (Lub Sijhawm - ntawm - Txoj Kev Dav Hlau)
Covkev mus los -lub sij hawm txoj caiexploits cov cuab yeej tseem ceeb ntawm lub suab propagation: ultrasonic nthwv dej sai dua thaum tsiv nrog cov kev taw qhia ntws thiab qeeb qeeb thaum tsiv tawm tsam nws.
Technological Advantages:
Precision:Ua tiav ± 0.5% qhov tseeb (siab- qauv kawg ncav cuag ± 0.2%)
Qhov dav dav dav:Kev ntsuas ntawm 0.01 txog 12 m / s
Dej ywj pheej:Tsis cuam tshuam los ntawm qhov ntom ntom, viscosity, conductivity, lossis kub hloov pauv
Bidirectional muaj peev xwm:Tsis siv neeg ntes thiab ntsuas rov qab ntws
Daim ntawv thov yuav tsum tau:
Dej huv huv:Cov khoom raug tshem tawm yuav tsum nyob qis dua 50 mg / L
Gas npuas cov ntsiab lus:Yuav tsum tsis pub tshaj 2% ntawm ntim
Cov yeeb nkab yam ntxwv:Yuav tsum tau ua kom tiav nrog kua
Teeb liab clarity:Yuav tsum tau huv acoustic txoj kev rau cov teeb liab kis tau tus mob
Doppler Effect Measurement
Lub hauv paus ntsiab lus Doppler leverages qhov zaus hloov uas tshwm sim thaum ultrasonic tsis muaj kev cuam tshuam tawm ntawm cov khoom txav los yog npuas hauv cov kua.
Technological Advantages:
Particle kam rau ua:Tshwj xeeb tsim rau cov kua dej uas muaj cov khib nyiab tshem tawm lossis npuas
Bubble tiv thaiv: High gas content (>2%) tsis cuam tshuam kev ntsuas
Tus nqi efficiency:Feem ntau pheej yig dua li kev thauj mus los - lub sijhawm
Kev ua haujlwm ruaj khov:Kev ua haujlwm tau ntseeg tau nyob rau hauv kev sib tw kev lag luam ib puag ncig
Daim ntawv thov yuav tsum tau:
Yam tsawg kawg particle concentration:Yuav tsum muaj tsawg kawg yog 100 ppm ntawm cov khoom lossis cov npuas loj dua 100 microns
Tsis haum rau ultra- kua ntshiab:Cov dej distilled, condensate, los yog kws tshuaj -qib kua tsis muaj reflectors txaus
Cov kev txwv qhov tseeb:Feem ntau ±1-2% piv rau ± 0.5% rau lub sijhawm thauj mus los
Cov txiaj ntsig tseem ceeb ntawm Tsis yog -Intrusive Ultrasonic Flow Meters
Kev yooj yim installation
Qhov feem ntau tam sim ntawd thiab compelling kom zoo dua ntawmclamp- ntawm ultrasonic flow meteryog lawv remarkably yooj yim installation txheej txheem. Vim tias cov sensors nyob sab nraum cov yeeb nkab, aTsis tiv tauj ultrasonic flow metertxoj hauv kev tuaj yeem siv tau yam tsis muaj kev kaw, tso dej, lossis txiav rau hauv cov kav dej.
Traditional Inline Installation Txheej txheem:
Kaw cov kev khiav hauj lwm thiab ntws cov kav dej
Excavate txaus chaw ua hauj lwm (tej zaum yuav xav tau crane nkag)
Txiav cov yeeb nkab los tsim cov ntsiab lus installation
Weld flanges los yog threaded txuas
Hoist thiab position lub flow meter lub cev
Ua kom tiav kev ntsuas siab thiab kev kuaj dej
Rov qab ua haujlwm
Clamp-Ntawm Ultrasonic Installation Process:
Ntxuav cov yeeb nkab sab nraud
Siv acoustic coupling gel
Txuas cov transducer clamps rau cov yeeb nkab
Txuas cov kab hluav taws xob thiab input parameter
Txheeb xyuas cov teeb liab zoo thiab pib ntsuas
Clamp-Rau Method Requirements:
Tsawg kawg ntawm cov yeeb nkab raug (tsuas yog sensor mounting cheeb tsam)
Tight qhov chaw sib xws (tuaj yeem ua haujlwm hauv 0.5-meter clearance)
Tsis xav tau cov cuab yeej hnyav
Underground thiab overhead yeeb nkab tus phooj ywg
Qhov no compact installation footprint yog tshwj xeeb tshaj yog muaj nqis nyob rau hauv:
- Congested nroog infrastructure
- Retrofit cov ntawv thov hauv cov chaw uas twb muaj lawm
- Kev siv hluav taws xob hauv av
- Offshore platforms uas muaj qhov txwv lawj
Comprehensive Economic Benefits
Direct Tus Nqi Txuag: 40-75% Kev Txhim Kho Tus Nqi txo qis
Qhov zoo ntawm kev lag luam txuas mus deb tshaj qhov yooj yim installation. Nyob rau hauv ntau yam retrofit thiab txij nkawm scenarios, ibSab nraud ultrasonic flow metertuaj yeem txo qhov nyuaj ntawm kev teeb tsa thiab cov nqi poob qis vim tias nws zam kev nkag mus rau cov yeeb nkab, vuam, thiab rov- ntawv pov thawj cov kauj ruam.
Kev ua tau zoo
Tsis muaj qhov txav chaw
Lub tshuab txhim khu kev qha tshaj plaws yog ib qho uas tsis muaj qhov txav txav. Clamp- ntawm ultrasonic flow meter ua piv txwv txoj cai no.
Lub Sijhawm Nruab Nrab Ntawm Kev Ua Tsis Taus (MTBF) Sib Piv
| Flow Meter Hom | Hom MTBF | Hom Kev Ua Haujlwm Tseem Ceeb |
|---|---|---|
| Turbine | 2-3 xyoos | Bearing hnav, hniav puas, ncej tsis ua hauj lwm |
| Electromagnetic | 5-8 xyoo | Electrode fouling, liner degradation, coil tsis ua haujlwm |
| Vortex | 8-12 xyoo | Sensor drift, bluff lub cev yaig |
| Clamp-Rau Ultrasonic | 15-20+ xyoo | Hluav taws xob tivthaiv kev laus nkaus xwb |
Clamp- ntawm cov ntsuas ultrasonic kawg 5-10x ntev dua li cov ntsuas ntsuas ntsuas nrog qhov tsis ua haujlwm tsawg dua.
Exceptional Accuracy thiab Repeatability
Niaj hnub no tsis yog -intrusive ultrasonic flow meter muab kev ntsuas kev ua tau zoo piv rau lossis tshaj li cov qauv tsim hauv kab.
Cov cheeb tsam thov
Tshuaj / Manufacturing
Tshuaj, petrochemical, thiab kev lag luam dej dav dav: kev ntsuas hauv online ntawm cov dej ntws, txheej txheem dej, kev daws teeb meem, thiab lwm yam.
Kev ntsuas dej ntawm corrosive media (cov khoom siv sib xws yog qhov nyuaj) lossis cov ntawv thov huv / huv (qhov qhib cov yeeb nkab yuav ua rau muaj paug). Clamp- ntawm ultrasonic meters muaj qhov zoo dua vim tias tsis muaj kev sib cuag nrog nruab nrab-ib qho laj thawj uas lawv feem ntau hu uatsis invasiveultrasonic flow metertshuaj nyob rau hauv corrosion-sensitive lossis tu cev-piping tseem ceeb.
Roj, Roj, thiab Hluav Taws Xob Kev Lag Luam (tsuas yog rau cov txheej txheem saib xyuas / kev saib xyuas xyuas)
Cov kav dej ua kua hauv cov chaw nres tsheb lossis cov chaw ua haujlwm, ntsuas kev ntsuas ib ntus thaum lub sijhawm tu, kev txheeb xyuas qhov kev ua haujlwm, kev kuaj pom, thiab kho qhov teeb meem tsis zoo.
Qee qhov kev daws teeb meem kuj tseem tuaj yeem npog cov pa roj / nkev thiab lwm yam uas tsis yog - ntsuas kev ntsuas, nyob ntawm tus qauv ntsuas thiab kev ua haujlwm.
Municipal Water thiab Environmental Protection
Cov dej nyoos thiab cov dej ntim tau xa tuaj thiab xa tawm, cheeb tsam cheeb tsam (DMA), thiab kev saib xyuas cov twj tso kua mis chaw nres tsheb.
Cov chaw kho dej khib nyiab: muaj txiaj ntsig zoo thiab cov dej ntws tawm, rov qab ntws / sludge- ntsig txog cov kav dej, thiab kev suav nyiaj hauv cov txheej txheem.
Kev tshawb nrhiav pom / qhov txawv txav kev tshawb nrhiav thiab kev ua haujlwm & kev saib xyuas xyuas (kev teeb tsa yam tsis tau txiav cov yeeb nkab).
Kev ntsuas ib ntus, Kev Tshawb Fawb Cov Khoom Muag, thiab "Meter Verification"
Kev ntsuas dej ntws mus ib ntus, ntsuas qhov system thiab commissioning, thiab kev txheeb xyuas qhov tseeb ntawm cov cuab yeej uas twb muaj lawm.
Portable clamp- ntawm ultrasonic meters feem ntau yog siv rau luv luv - lub sij hawm kuaj thiab tshuaj xyuas.
Cov ntsiab lus tseem ceeb ntawm Installation
Kev lees paub ntawm kev teeb tsa: txiav txim siab seb daim ntawv thov puas haum rau qhov tsis yog -intrusive ultrasonic flow ntsuas
Cov kav dej yuav tsum muaj tag nrho (tsis yog- cov kav dej puv yuav ua rau muaj kev ua yuam kev loj lossis tsis ruaj khov).
Vertical upward flow feem ntau yog yooj yim kom cov yeeb nkab puv; rau ntsug downward flow, txaus rov qab siab yuav tsum tau ensured kom muaj tag nrho cov yeeb nkab.
Qhov nruab nrab yuav tsum zoo dua yog ib zaug -theem, nrog ob peb npuas thiab cov ntsiab lus tsis tshua muaj.
Installation Qhov chaw: ncaj yeeb nkab khiav thiab zam ntawm npuas / sedimentation
Xaiv qhov ntev tshaj plaws ntawm cov yeeb nkab ncaj. Kev xyaum ua haujlwm zoo ib yam yuav tsum tau: nce siab dua lossis sib npaug rau 10D, qis qis dua lossis sib npaug rau 5D (D yog txoj kab uas hla).
Tsis txhob nruab rau sab saum toj lossis hauv qab ntawm cov kav dej kab rov tav: sab saum toj yog qhov yooj yim rau cov pa tsub zuj zuj, thiab hauv qab yog qhov yooj yim rau cov sediment deposition. Kev teeb tsa ntawm 2-4 teev lossis 8-10 teev sawv ntxov feem ntau pom zoo.
Khaws kom deb ntawm qhov chaw muaj kev cuam tshuam zoo xws li lub twj tso kua mis, lub valve, lub luj tshib, thiab cov khoom siv txo qis (kev cuam tshuam cuam tshuam qhov ntws profile thiab ua rau kev nyeem tsis ruaj khov).
Sab Nrauv Yeeb Nkab Kev Npaj
Ntxuav cov coatings, corrosion, thiab burrs ntawm qhov chaw teeb tsa; qhov saum npoo yuav tsum du li sai tau. Lub teeb sib tsoo yog tsim nyog, tab sis tsis txhob ua kom cov yeeb nkab curvature.
Xaiv tus neeg sawv cev sib txuas (couplant) sib haum nrog qhov kub thiab txias, thiab siv nws sib npaug yam tsis muaj qhov khoob.
Transducer Installation: orientation, nrug, thiab mounting txoj kev
Nruab cov probes precisely raws li qhov sib nrug xam los ntawm lub ntsuas; xyuam xim rau kev sojntsuam kev taw qhia, cov xub, thiab cov lus qhia cable (ntau phau ntawv qhia meej meej qhia qhov tseeb thiab qhov sib txawv ntawm cov ntsiab lus).
Ob txoj kev teeb tsa tau siv: V txoj kev (xov pom) thiab Z txoj kev ( ncaj qha). Kev xaiv nyob ntawm cov yeeb nkab txoj kab uas hla, attenuation, thiab teeb liab zoo; thaum lub teeb liab tsis muaj zog, hloov mus rau Z txoj kev feem ntau ua rau cov teeb liab tau yooj yim dua.
Ruaj ntseg cov kev sojntsuam kom ruaj khov nrog cov clamps lossis cov hlua hlau los tiv thaiv kev txav mus los vim ntev - vibration; tsis txhob tso cai rau kev sojntsuam kom "tshem tawm los ntawm cov cables."
Installation Configuration Methods
Tsis yog -intrusive transducers tuaj yeem ntsia tau rau hauv ntau qhov kev teeb tsa, txhua qhov ua kom zoo rau cov yeeb nkab sib txawv thiab cov kev ntsuas ntsuas:
V-Txoj Kev (Reflective):
Ob lub transducers mount rau tib sab ntawm cov yeeb nkab, nrog lub ultrasonic beam reflecting tawm lub opposite yeeb nkab phab ntsa. Qhov kev teeb tsa no haum rau cov kav dej nrog txoj kab uas hla ntawm 20mm txog 300mm thiab muab cov teeb liab zoo heev rau txoj kev luv luv acoustic.
Z-Txoj Kev (Direct):
Transducers mount rau sab nraud ntawm cov yeeb nkab nrog cov nqaj ultrasonic taug kev ncaj qha ntawm lawv. Txoj kev no yog qhov zoo rau cov kav dej los ntawm 100mm mus rau 500mm txoj kab uas hla, muab txoj hauv kev ncaj qha tshaj plaws thiab qhov tseeb tshaj plaws rau nruab nrab - cov kav dej loj.
W-Txoj Kev (Ob chav Reflection):
Siv rau cov kav me me - txoj kab uas hla (15mm mus rau 50mm), cov nqaj ultrasonic qhia txog ob zaug hauv cov yeeb nkab, ua tau zoo tripling lub acoustic txoj kev ntev los txhim kho kev ntsuas kev daws teeb meem thiab rhiab heev rau cov nqi qis.
Kev xaiv ntawm cov txheej txheem no nyob ntawm cov yeeb nkab txoj kab uas hla, phab ntsa tuab, cov khoom siv, thiab qhov yuav tsum tau ua kom raug, nrog cov ntsuas ntsuas niaj hnub no feem ntau pom zoo kom pom qhov kev teeb tsa zoo raws li nkag mus.
