Rau feem ntau clamp- ntawm kev thauj mus los- lub sijhawm siv, pib nrog V txoj kev thaum cov yeeb nkab me me, acoustic haum, tag nrho, thiab nkag tau los ntawm ib sab. Xav txog Z txoj kev thaum cov yeeb nkab loj, phab ntsa lossis hauv ob sab phlu attenuates lub teeb liab, lossis V-txoj kev kuaj mob tseem tsis muaj zog tom qab kev teeb tsa tau raug kuaj xyuas.
Txoj cai ntawd tsuas yog qhov pib xwb. Qhov tseeb mounting kev npaj kuj yog nyob ntawm tus qauv transducer, yeeb nkab sab nraud txoj kab uas hla, phab ntsa tuab, cov khoom siv yeeb nkab, hauv ob sab phlu, cov kua dej, muaj kev khiav ncaj nraim, kev nkag mus rau hauv, thiab qhov ntsuas qhov ntsuas tau qhia los ntawm lub transmitter.
Phau ntawv qhia no piav qhia yuav ua li cas Z thiab V mounting ua hauj lwm, yuav ua li cas xaiv ntawm lawv, yuav ua li cas rau nruab lub transducers, thiab yuav ua li cas los xyuas thaum ib tugclamp- ntawm ultrasonic flow meterqhia txog qhov tsis muaj zog lossis tsis ruaj khov.
Teb ceev: Koj Yuav Tsum Siv V Method lossis Z Method?
| Daim ntawv thov mob | Pom zoo pib qhov chaw | Yuav ua li cas kom paub tseeb |
|---|---|---|
| Cov yeeb nkab me me nrog cov kua dej huv | V method | Paub meej tias tus qauv thiab transducer zaus txhawb cov yeeb nkab loj. |
| Cov yeeb nkab nruab nrab nrog cov khoom zoo acoustic | V txoj kev ua ntej | Xyuas cov teeb liab zoo, nce, suab nrawm, thiab kev nyeem ntawv ruaj khov. |
| Loj lossis tuab- cov yeeb nkab phab ntsa | Z txoj kev yog feem ntau nyiam | Paub meej tias rov qab- sab nkag thiab raug ntsuas ntsuas qhov tseeb. |
| Laus, coated, lined, corroded, los yog scaled yeeb nkab | Test V method, ces xav txog Z txoj kev | Xyuas kom tseeb tias cov yeeb nkab nto thiab cov ntaub ntawv nkag mus yog qhov tseeb. |
| V- txoj kev teeb liab tseem tsis muaj zog tom qab reinstallation | Sim Z txoj kev | Tsis txhob hloov txoj hauv kev ua ntej kuaj qhov sib nrug, couplant, cov ntaub ntawv yeeb nkab, thiab qhov chaw. |
| Tsuas yog ib sab ntawm cov yeeb nkab tuaj yeem siv tau | V method | Yog tias kev kuaj mob tsis zoo, txav mus rau lwm qhov chaw ntsuas. |
| Cov yeeb nkab me me heev | V lossis W txoj kev, nyob ntawm qhov ntsuas | Siv qhov tseeb mounting hom thiab sib nrug xam los ntawm lub transmitter. |
| Cov kua dej muaj cov npuas tsis tu ncua lossis cov khoom raug tshem tawm | Rov xav txog txoj cai ntsuas | Kev thauj mus los- lub sijhawm ntsuas lub sijhawm yuav tsis yog lub tshuab zoo tshaj plaws rau daim ntawv thov. |
Tsis txhob xaiv txoj kev mounting los ntawm cov yeeb nkab txoj kab uas hla ib leeg. Cov yeeb nkab me me uas muaj cov phab ntsa tuab lossis cov khoom siv tsis zoo tuaj yeem ua rau hnyav dua li cov yeeb nkab steel loj dua. Ib yam li ntawd, kev teeb tsa V tau zoo tuaj yeem ua tiav qhov tsis zoo Z kev npaj.
Clamp-Nyob rau hauv-Lub Sijhawm Ultrasonic Flow Meter ua haujlwm li cas?
A transit{0}} lub sij hawm ultrasonic flow metersiv ob sab nraud transducers. Txhua lub transducer hloov pauv xa thiab tau txais lub teeb liab ultrasonic los ntawm cov yeeb nkab phab ntsa thiab cov kua.
Lub teeb liab taug kev nrog qhov ntws tuaj txog me ntsis sai dua lub teeb liab taug kev tawm tsam qhov ntws. Lub tshuab xa hluav taws xob ntsuas qhov kev thauj mus los no- lub sijhawm sib txawv thiab sib txuas nrog cov yeeb nkab nkag thiab cov ntaub ntawv ua kua los suav qhov nrawm thiab ntim ntws.
Vim tias cov transducers nyob sab nraum cov yeeb nkab, kev teeb tsa tsis tas yuav tsum tau txiav cov yeeb nkab lossis cuam tshuam cov txheej txheem. Emerson piav qhia txog clamp- ntawm kev ntsuas ultrasonic raws li qhov tsis yog- txoj kev cuam tshuam uas txuas rau sab nrauv ntawm cov yeeb nkab yam tsis tau tsim txoj hauv kev los yog yuav tsum muaj kev cuam tshuam kev ua haujlwm.Emerson's clamp- ntawm kev saib xyuas ultrasonicmuab keeb kwm yav dhau los ntxiv ntawm txoj cai ntsuas.
Txoj kev mounting txiav txim siab li cas lub suab mus los ntawm ob lub transducers. Nws tsis hloov qhov kev thauj mus los yooj yim- lub sijhawm lub hauv paus ntsiab lus, tab sis nws hloov qhov ntev ntawm txoj kev acoustic, tus naj npawb ntawm kev xav, teeb liab poob, kev nkag mus rau hauv, thiab cov kev xav tau ntawm kev sib tw.
V-Txoj kev Ultrasonic Flow Meter Installation yog dab tsi?
Hauv V-txoj kev npaj, cov kab hluav taws xob sab saud thiab qis qis tau nruab rau ntawm tib sab ntawm cov yeeb nkab. Lub suab beam nkag mus rau hauv cov yeeb nkab, hla cov kua, cuam tshuam los ntawm cov yeeb nkab phab ntsa, thiab rov qab mus rau qhov thib ob transducer.
Qhov no ua rau V-zoo li tus acoustic txoj kev. Qee cov tuam txhab xa mus rau nws raws li kev xav txog kev npaj.
Vim li cas V Method thiaj siv tau?
- Ob lub transducers tuaj yeem ntsia tau los ntawm tib sab ntawm cov yeeb nkab.
- Sensor alignment feem ntau yooj yim dua li rov qab - sab mounting.
- Txoj kev xav tau muab txoj hauv kev zoo acoustic ntev ntawm ntau cov kav dej me me thiab nruab nrab.
- Mounting rails thiab spacer bars tuaj yeem ua rau kev xam qhov sib nrug yooj yim dua los tsim dua.
- Nws yog qhov ua tau zoo thaum lub nraub qaum ntawm cov yeeb nkab tsis siv tau.
Txoj kev V feem ntau yog qhov tsim nyog thawj zaug rau cov kua dej huv hauv cov yeeb nkab tag nrho nrog cov phab ntsa zoo ib yam thiab ua kom zoo rau sab nrauv. Nws kuj yog qhov yooj yim rau kev tshawb fawb ib ntus ua nrog aPortable ultrasonic flow meter.
Thaum V Tus Txheej Txheem Ua Tsis Txaus Ntseeg?
Lub suab beam yuav tsum hla cov yeeb nkab phab ntsa ob zaug thiab cuam tshuam los ntawm phab ntsa deb. Cov teeb liab poob tuaj yeem nce ntxiv thaum cov yeeb nkab muaj cov phab ntsa tuab, cov khoom siv ntxhib, hnyav corrosion, cov nplai sab hauv, cov ntaub ntawv tsis zoo, cov xim tuab, lossis qhov sib cuag tsis sib xws.
Ib qho tsis muaj zog V-txoj kev teeb liab kuj tuaj yeem tshwm sim los ntawm cov ntaub ntawv yeeb nkab tsis raug, qhov sib txuas tsis raug, qhov sib txuas tsis txaus, qhov tsis zoo ntawm cov sensor zaus, cov pa roj nkag, tsis ruaj khov, lossis cov yeeb nkab uas tsis tag nrho. Hloov mus rau txoj kev Z yuav tsis kho cov teeb meem hauv qab no tau txais.
Z-Txoj kev Ultrasonic Flow Meter Installation yog dab tsi?
Hauv Z-txoj kev npaj, ob lub transducers yog nyob rau sab nraud ntawm cov yeeb nkab. Lub teeb liab acoustic hla cov yeeb nkab thiab cov kua dej ncaj qha, tsis muaj kev cuam tshuam los ntawm cov phab ntsa sab nraud ua ntej mus txog qhov tau txais transducer.
Qee cov tuam ntxhab piav qhia qhov no yog kev npaj ncaj qha.
Vim li cas Z Method tuaj yeem tsim lub teeb liab muaj zog?
- Lub suab ua raws txoj kev luv dua thiab ncaj qha.
- Lub beam tsis nyob ntawm qhov deb -vim phab ntsa.
- Yuav muaj tsawg acoustic attenuation nyob rau hauv cov yeeb nkab nyuaj.
- Nws yog feem ntau pab tau rau loj - txoj kab uas hla lossis tuab - cov kav dej.
- Nws tuaj yeem rov qab ntsuas qhov ntsuas thaum qhov raug teeb tsa V kev teeb tsa tseem tsis muaj zog.
Vim li cas Z-Txoj Kev Teeb Meem Yog Xav Tau Ntau?
Cov transducers yuav tsum tau muab tso rau ntawm qhov sib txawv ntawm cov yeeb nkab thiab muab tso rau ntawm qhov tseeb acoustic dav hlau. Ib qho axial lossis circumferential positioning yuam kev tuaj yeem tiv thaiv tus txais transducer los ntawm kev cuam tshuam cov nqaj.
Z mounting tej zaum yuav tsis tsim nyog thaum cov yeeb nkab tiv thaiv phab ntsa, hauv qhov nqaim trench, npog los ntawm cov cuab yeej nyob ze, lossis siv tau los ntawm ib sab xwb. Kev ntsuas kom raug thiab ntsuas nyob ib puag ncig cov yeeb nkab yog qhov tseem ceeb tshwj xeeb ntawm cov kab loj loj.
Z Method vs V Method: Qhov txawv tseem ceeb
| Qhov xwm txheej | V method | Z txoj kev |
|---|---|---|
| Transducer txoj hauj lwm | Tib sab ntawm cov yeeb nkab | Sab nraud ntawm cov yeeb nkab |
| Txoj kev teeb liab | Ib qho kev cuam tshuam | Txoj kev ncaj nraim |
| Qhov chaw nkag | Ib - sab nkag tuaj yeem txaus | Kev nkag mus rau ob sab yog ib txwm xav tau |
| Kev sib tw nyuaj | qis | Siab dua |
| Tej yam pib daim ntawv thov | Cov yeeb nkab me me lossis nruab nrab nrog cov khoom siv acoustic zoo | Loj, tuab-phab ntsa, los yog cov yeeb nkab uas muaj zog |
| Lub ntsiab kom zoo dua | Yooj yim mounting thiab rov ua qhov sib txawv | Muaj peev xwm muaj zog tau txais teeb liab |
| Kev txwv loj | Kev xav ntxiv tuaj yeem ua rau cov teeb liab poob | Kev tsis ncaj ncees lawm - sab alignment tuaj yeem ua rau lub teeb liab tsis ua haujlwm |
| Txoj kev txiav txim siab zoo tshaj plaws | Siv thaum tus qauv kev taw qhia thiab kev kuaj mob txhawb nqa nws | Siv thaum daim ntawv thov tej yam kev mob los yog kev kuaj mob pom zoo rau nws |
Tsis yog ob txoj kev yog qhov tseeb dua hauv txhua daim ntawv thov. Kawgultrasonic flow meter raugnyob ntawm cov ntaub ntawv yeeb nkab, kev xaiv sensor, qhov sib nrug, kev sib haum xeeb, ntws profile, kua dej, kev teeb tsa zoo, thiab ntsuas ntsuas.
Yuav Ua Li Cas Xaiv V Method lossis Z Method?
1. Pib nrog Phau Ntawv Qhia Meter thiab Transducer
Tsis txhob siv universal DN txwv rau txhua lub ntsuas ntsuas ultrasonic. Transducer zaus, sensor tsim, txhawb txoj kev npaj, yeeb nkab cov ntaub ntawv database, thiab teeb liab - muaj peev xwm ua tau txawv raws li tus qauv.
Ib lub yeeb nkab uas ib qho ntsuas ntsuas nrog V mounting yuav xav tau Z mounting, lwm qhov hloov pauv hloov, lossis lwm qhov ntsuas. Lub transmitter qhov pom zoo mounting hom thiab xam qhov sib nrug yuav tsum tau ua qhov tseem ceeb tshaj li daim ntawv qhia online.
2. Tshawb xyuas cov yeeb nkab sab nraud thiab phab ntsa Thickness
Cov yeeb nkab txoj kab uas hla cuam tshuam qhov ntev ntawm txoj kev acoustic, tab sis phab ntsa thickness kuj cuam tshuam rau kev sib kis ntawm cov yeeb nkab. Nkag mus rau qhov tseeb sab nraud txoj kab uas hla thiab ntsuas los yog txheeb xyuas cov phab ntsa thickness es tsis yog cia siab rau qhov loj ntawm cov yeeb nkab nominal.
Qhov ntev tsis raug hloov pauv lub kaum sab xis ntawm lub kaum sab xis thiab transducer sib nrug. Tshuaj xyuas li caspipeline tsis cuam tshuam rau kev ntsuas ultrasonicua ntej commissioning lub 'meter'.
3. Paub meej cov khoom siv yeeb nkab, hauv ob sab phlu, thiab qhov chaw ntawm qhov chaw
Cov pa roj carbon steel, stainless hlau, tooj liab, yas, cam khwb cia hlau, kab yeeb nkab, thiab cov yeeb nkab sib xyaw xa tawm ultrasound sib txawv. Cov khoom siv raug thiab lub suab nrawm yuav tsum raug xaiv hauv lub transmitter.
Cov txheej txheem sib xyaw tuaj yeem nyuaj tshwj xeeb vim tias cov txheej txheem sib txawv, cov fibers, cov txheej txheem resin, thiab kev tsim cov phab ntsa cuam tshuam rau txoj kev acoustic. KROHNE sau tseg tias GRP kav feem ntau nyuaj rau clamp- ntawm kev ntsuas ultrasonic dua li ib qho - cov kav dej hlau lossis cov kav dej yas.KROHNE cov lus qhia txog kev thovqhia txog qhov kev txwv no.
Sab nrauv xeb, xim xoob, av, vuam seams, thiab cov txheej ntxhib tuaj yeem tiv thaiv kev sib cuag ntawm cov transducer. Internal scale los yog ib tug tsis zoo bonded liner muaj peev xwm attenuate los yog tawg lub teeb liab txawm tias thaum sab nrauv zoo nkaus li zoo.
4. Paub meej tias cov yeeb nkab yog tag nrho
Kev thauj mus los- lub sijhawm clamp- ntawm lub ntsuas dej yuav tsum muaj txoj hauv kev txuas ntxiv mus los ntawm cov kua. Ib feem ntawm cov yeeb nkab tsim ib qho kev sib txuas ntawm huab cua uas tuaj yeem cuam tshuam cov nqaj thiab tsim tsis muaj teeb liab, kev nyeem tsis ruaj khov, lossis kev kuaj tsis raug.
Xaiv qhov chaw uas tseem nyob puv ntawm xoom ntws zoo li thaum lub sijhawm ua haujlwm ib txwm muaj. Siemens cov kev taw qhia hais tias cov yeeb nkab yuav tsum tag nrho nyob rau hauv lub sensor installation cheeb tsam kom raug ntsuas.
5. Ntsuas cov kua dej
Transit-kev ntsuas lub sij hawm feem ntau ua tau zoo tshaj plaws thaum cov kua muab txoj hauv kev kom meej meej txaus. Qee lub sij hawm cov npuas me me tuaj yeem txo cov teeb liab zoo, thaum tsis tu ncua aeration lossis siab siab ntawm cov khib nyiab tshem tawm tuaj yeem tiv thaiv kev hla kev txhim khu kev qha - lub sijhawm ntsuas.
Yog tias npuas lossis cov khib nyiab yog ib feem ntawm cov txheej txheem ib txwm tsis yog qhov ua txhaum ib ntus, kev hloov ntawm V mus rau Z yuav daws tsis tau daim ntawv thov. ADoppler ultrasonic flow meterTej zaum yuav tsim nyog dua vim tias Doppler thev naus laus zis tso siab rau acoustic reflectors hauv cov kua. Badger Meter piav qhia nws DFX Doppler meter raws li kev daws teeb meem rau cov kua aerated thiab kua uas muaj cov khoom raug tshem tawm.
6. Txheeb xyuas cov yeeb nkab ncaj thiab muaj kev cuam tshuam
Nruab cov transducers kom deb ntawm cov twj tso kua mis, ib feem qhib li qub, tswj li qub, ntau lub luj tshib, reducers, tees, thiab lwm yam fittings uas distort lub tshaj tawm profile.
Qhov kev ncua deb yuav tsum yog qauv - thiab daim ntawv thov - tshwj xeeb. Raws li ib qho chaw tsim khoom siv, Siemens teev qhov tsawg kawg nkaus ntawm 10 yeeb nkab diameters ntws thiab 5 txoj kab uas hla hauv qab, nrog rau kev khiav ncaj nraim ntxiv tom qab muaj kev cuam tshuam loj dua. Tshawb xyuas phau ntawv ntsuas ntsuas thiab qhov chawncaj- yeeb nkab yuav tsumes tsis yog kho 10D / 5D raws li txoj cai thoob ntiaj teb.
7. Xav txog kev siv lub cev
- Siv V mounting thaum tsuas yog ib sab tuaj yeem nkag tau thiab kuaj pom tau.
- Siv Z mounting tsuas yog thaum ob sab tuaj yeem cim thiab ua kom raug.
- Hloov chaw ntsuas qhov taw tes yog tias phab ntsa, kev txhawb nqa rwb thaiv tsev, vuam, flange, lossis cov tswv cuab cuam tshuam cuam tshuam rau txoj hauv kev acoustic.
- Tsis txhob xaiv qhov chaw yooj yim dua yog tias nws qhia txog ib feem ntawm cov yeeb nkab lossis cov dej ntws tsis zoo.
8. Cia cov kws tshuaj ntsuam xyuas qhov kev txiav txim
Txoj kev mounting tsis tau lees paub tsuas yog vim muaj tus nqi ntws. Ib qho kev txhim kho uas ntseeg tau yuav tsum ua kom ruaj khov thiab muaj txiaj ntsig zoo rau kev kuaj mob.
Yog tias V mounting tsim cov kev kuaj mob tsis zoo, ua ntej kho qhov kev teeb tsa. Hloov mus rau Z tsuas yog tom qab kuaj xyuas cov yeeb nkab cov ntaub ntawv, hom sensor, qhov sib nrug, kev npaj nto, coupling, cable kev twb kev txuas, ntws kev taw qhia, puv - yeeb nkab mob, thiab khiav ncaj.
Kauj ruam-los ntawm-Step Clamp-Rau Transducer Installation Workflow
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Sau cov ntaub ntawv thov
- Sau cov yeeb nkab sab nraud txoj kab uas hla, phab ntsa tuab, cov khoom siv, hauv ob sab phlu, kua dej, qhov kub thiab txias, qhov xav tau tshaj tawm, ntws kev taw qhia, kev taw qhia kev teeb tsa, thiab muaj kev khiav ncaj nraim.
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Xaiv qhov tseeb transducer teeb
- lees paub tias qhov ntsuas qhov ntsuas qhov ntsuas kub, ntsuas qhov ntsuas kub, mounting hardware, thiab cov yeeb nkab ntau yam phim rau daim ntawv thov. Kev mob siab raume- yeeb nkab clamp- ntawm tus qauvtej zaum yuav tsim nyog tshaj qhov dav dav - lub hom phiaj sensor ntawm cov kab me me.
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Nkag mus rau cov yeeb nkab thiab cov dej tsis muaj dej
- Siv cov ntsuas los yog cov ntaub ntawv muaj nuj nqis. Tsis txhob luam cov chaw los ntawm lwm cov yeeb nkab tsuas yog vim qhov nominal loj tshwm zoo sib xws.
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Xaiv V, Z, lossis W mounting
- Ua raws li cov lus pom zoo transmitter thiab qauv phau ntawv. Sau cov xam qhov sib txawv transducer.
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Xaiv qhov chaw ntsuas
- Paub meej tias cov yeeb nkab tseem muaj tag nrho, qhov ntws profile yog tsim nyog, thiab cov transducers yuav tsis raug ntsia saum lub vuam seam, hnyav corrosion, xoob txheej, lossis puas rwb thaiv tsev.
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Kos lub transducer txoj haujlwm
- Rau V mounting, khij qhov ntsuas axial sib nrug ntawm tib sab. Rau Z mounting, siv daim ntawv qhia wraparound lossis ntsuas qhov ntsuas qhov tseeb txhawm rau txheeb xyuas qhov hloov pauv thib ob ntawm sab nraud thiab txoj haujlwm axial raug.
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Npaj cov yeeb nkab nto
- Tshem tawm cov av, xoob xim, xeb, nplai, roj, thiab qhov tsis sib xws ntawm qhov chaw uas cov transducers yuav hu rau cov yeeb nkab. Siemens installation kev taw qhia tshwj xeeb hu rau kev tshem tawm grit, corrosion, xeb, thiab xoob xim los tsim kom huv si nto.
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Siv cov khoom sib txuas kom raug thiab ruaj ntseg sensors
- Tsim kom muaj kev sib cuag acoustic txuas ntxiv yam tsis muaj qhov khoob ntawm huab cua. Siv ib lub couplant haum rau cov yeeb nkab kub thiab lub sijhawm nruab. Qhov kom muaj nuj nqis kuj tseem ceeb: Siemens sau tseg tias ntau dhau ntawm cov kav dej me me tuaj yeem ua rau muaj suab nrov synchronous thiab txo cov teeb liab - rau - suab nrov piv. Nyeem qhov chaw qhia txogcoupling agent xaiv.
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Tshawb xyuas kev kuaj mob ua ntej lees txais qhov ntsuas
- Tso cai rau kev nyeem ntawv kom ruaj khov, tshuaj xyuas qhov ntsuas qhov tseem ceeb, paub meej tias cov kev taw qhia pom, ua qhov xoom xoom thaum ua tau, thiab txuag cov ntaub ntawv commissioning.
Paub meejclamp- ntawm cov ntaub ntawv teeb tsa sensortuaj yeem siv ua ib daim ntawv tshuaj xyuas ntxiv.
Qhov twg Yuav Tsum Tau Txais Cov Transducers Mounted ntawm Kab Rov Tav?
Tsis txhob txuas cov kua clamp- ntawm cov khoom siv hluav taws xob ncaj qha rau saum cov yeeb nkab kab rov tav, qhov twg cov roj tuaj yeem sau tau, lossis ncaj qha rau hauv qab, qhov twg cov av tuaj yeem sib sau.
Ib sab txoj hauj lwm yog ib txwm nyiam. Siemens pom zoo kom mounting sensors tsawg kawg 20 degrees deb ntawm txoj hauj lwm ntsug ntawm kab rov tav cov kav dej kom txo tau kev cuam tshuam los ntawm cov roj av nyob rau saum toj. Kev taw qhia meej yuav tsum tseem ua raws li phau ntawv qhia thiab cov txheej txheem tiag tiag.
Rau cov kav dej ntsug, qhov ntws nce siab feem ntau yog qhov zoo dua vim tias nws pab tswj tau cov yeeb nkab tag nrho. Ib qho downward-Flow ntsug seem yuav dhau los ua ib feem nyob rau hauv qis-flow tej yam kev mob thiab yuav tsum tau soj ntsuam kom zoo zoo.
Yuav Ua Li Cas Nyeem Ultrasonic Flow Meter Diagnostics?
Cov npe tshuaj ntsuam xyuas thiab cov kev txwv uas siv tau sib txawv los ntawm cov chaw tsim khoom. Tsis txhob siv tus lej pib ntawm ib 'meter' mus rau lwm qhov. Siv cov kev ntsuas hauv qab no ua ke es tsis yog cia siab rau ib tus nqi.
| Kev kuaj mob | Qhov nws qhia | Cov cim ceeb toom | Yuav kuaj li cas |
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| Teeb liab lub zog | Amplitude ntawm qhov tau txais acoustic teeb liab | Tus nqi qis lossis hloov pauv sai | Coupling, yeeb nkab nto, qhov sib txawv, xaiv sensor, mounting txoj kev |
| Cov teeb liab zoo lossis SNR | Yuav ua li cas kom meej meej lub meter cais cov teeb liab muaj txiaj ntsig ntawm lub suab nrov | Tsis ruaj tsis khov zoo txawm tias pom muaj zog teeb liab | Hluav taws xob suab nrov, couplant ntau dhau, cov yeeb nkab kev co, kev sib dhos tsis raug |
| Tau txais | Ntau npaum li cas amplification tus receiver xav tau | Kev khwv tau nyob ze nws qhov kev txwv | Attenuation, tsis muaj zog coupling, tsis ncaj ncees lawm sensor, nyuaj yeeb nkab tsim |
| Kev mus los -time ratio | Kev sib raug zoo ntawm kev cia siab thiab ntsuas lub sijhawm thauj mus los | Qhov ratio ntawm implausible los yog unstable | Cov yeeb nkab qhov ntev, phab ntsa thickness, cov khoom siv, hauv ob sab phlu, qhov sib nrug |
| Ntsuas lub suab nrawm | Seb qhov tshwm sim acoustic yog plausible rau cov kua uas xaiv | Tus nqi tsis sib haum nrog cov txheej txheem dej | Kev xaiv cov kua dej, qhov kub thiab txias, qhov sib xyaw ua ke, cov ntaub ntawv yeeb nkab |
| Flow stability | Luv luv-lub sij hawm sib xws ntawm cov kev suav | Kev taw qhia hloov lossis kev hloov pauv tsis tau piav qhia | Ntws cuam tshuam, npuas, qis tshaj tawm, teeb liab tsis zoo, tswj- valve kev ua haujlwm |
| Zero check | Nyeem ntawv thaum paub tseeb tias ntws yog xoom | Persistent offset los yog drifting zero | Qhov tseeb valve to, thermal teebmeem, installation asymmetry, tsis ruaj tsis khov teeb liab |
Hauv kev ua haujlwm hauv chaw ua haujlwm, thawj lub cim ceeb toom tsis yog ib txwm pom tseeb tsis raug txaus. Nws feem ntau yog ib qho kev sib txuas ntawm cov teeb liab tsis ruaj khov, nce ntau dhau, lub suab tsis txaus ntseeg, lossis tus nqi ntws uas hloov pauv thaum cov sensors maj mam kov.
Yuav ua li cas yog tias koj xaiv txoj kev Mounting yuam kev?
Ib qho tsis tsim nyog lossis ua tsis tau zoo ntawm kev teeb tsa tuaj yeem tsim ntau yam tsos mob:
- Tsis tau txais teeb liab.
- Lub teeb liab uas tshwm sim luv luv thiab tom qab ntawd ploj mus.
- Flow qhov tseem ceeb uas hloov pauv thaum cov txheej txheem ruaj khov.
- Cov kev hloov pauv tsis tau xav txog hauv kev khiav dej num.
- Zero- tus nqi ntws uas yuav tsis ruaj khov.
- Kev nce siab ua ke nrog cov teeb liab tsis zoo.
- Kev ntsuas lub suab nrawm uas tsis phim cov kua.
- Ib qho kev nyeem ntawv uas hloov pauv ntau tom qab cov transducers tau remounted.
Cov tsos mob no tsis ua pov thawj tias V lossis Z txoj kev tsis raug. Lawv kuj tuaj yeem tshwm sim los ntawm cov yeeb nkab tsis raug, kev sib txuas tsis zoo, ib feem ntawm cov yeeb nkab, cov npuas ntau dhau, cuam tshuam tsis zoo, teeb tsa tsis raug, teeb meem cable, lossis ntsuas tshuab tsis haum cov kua.
Lub rooj daws teeb meem tsis muaj zog lossis tsis ruaj khov
| Cov tsos mob | Zoo li ua rau | Pom zoo ua |
|---|---|---|
| Tsis muaj teeb liab tom qab installation | Qhov sib txawv tsis raug, tsis raug sensor, tsis muaj kev sib cuag acoustic, cov yeeb nkab khoob, los yog kev poob qis heev | Txheeb xyuas cov yeeb nkab puv, tsis muaj, hom sensor, qhov sib nrug, kev sib txuas cable, thiab couplant ua ntej hloov txoj kev mounting. |
| V- txoj kev teeb liab tsis muaj zog | Kev xav tsis zoo, txoj kab uas hla loj, phab ntsa tuab, cov yeeb nkab ntxhib, hauv ob sab phlu, lossis scaling | Txhim kho lub installation ua ntej; tom qab ntawd sim Z mounting yog tias rov qab - sab nkag yog muaj. |
| Z- txoj kev teeb liab tsis muaj zog | Tawm tsam -sab transducers tsis nyob rau tib lub dav hlau acoustic | Recheck ncig kos cim, axial spacing, yeeb nkab txoj kab uas hla, thiab sib dhos. |
| Lub teeb liab lub zog tau txais tab sis qhov zoo tsis ruaj khov | Suab nrov, kev vibration, npuas, cuam tshuam ntws, couplant ntau dhau, lossis tsis zoo sensor zaum | Tshawb xyuas cov txheej txheem thiab mounting stability es tsis txhob nce nce tam sim ntawd. |
| Kev nyeem ntawv dhia dhia ntawm qis tshaj tawm | Kev thauj mus los tsis txaus- lub sijhawm sib txawv, xoom tsis ruaj khov, lossis txheej txheem pulsation | Paub meej tias xoom, nce qhov nruab nrab tsuas yog thaum tsim nyog, thiab xyuas kom meej tias qhov ntsuas tau ua tau raws li qhov yuav tsum tau ua qis qis - ntws. |
| Suab ceev yog implausible | Cov kua dej tsis raug, qhov kub thiab txias, phab ntsa tuab, cov khoom siv, hauv ob sab phlu, lossis qhov sib txawv | Recheck tag nrho cov nkag acoustic parameters. |
| Kev nyeem ntawv hloov tom qab zawm cov hlua | Sensor txav, tsis sib npaug txheej coupling, los yog siab mounting siab | Remount cov transducers tusyees thiab paub meej tias qhov sib nrug ntawm xam. |
| Ob txoj kev V thiab Z ua tsis tau | Daim ntawv thov tsis tsim nyog, cov yeeb nkab tsis puv, kua yog aerated heev, los yog cov yeeb nkab siv yog acoustic nyuaj | Sim lwm qhov chaw, lwm qhov ntsuas zaus, Doppler thev naus laus zis, lossis cov qauv ntsuas ntsuas sib txawv. |
Yog xav paub ntxiv txog qhov txhaum, tshuaj xyuas lub vev xaibUltrasonic flow meter daws teeb meemkev taw qhia.
Illustraative Field Scenarios
Ntxuav Chilled- Cov kav dej nrog kev nkag tau zoo
Cov pa roj carbon tag nrho-steel chilled- cov yeeb nkab dej muaj qhov huv si sab nraud, ntws ruaj khov, thiab khiav ncaj nraim txaus. Ob lub transducers tuaj yeem ntsia tau los ntawm ib sab.
V mounting yog qhov pib ua tau zoo vim tias kev teeb tsa yooj yim thiab cov kua ib txwm muab kev thauj mus los yooj yim - lub sijhawm. Qhov kev txiav txim zaum kawg yuav tsum tau lees paub los ntawm kev kuaj mob transmitter. Zoo sib xws tsis yog - ntsuas invasive feem ntau siv hauvBTU thiab txias - ntsuas dej.
Loj Laus Hlau Yeeb Nkab Nrog Internal Scale
Ib tug loj steel yeeb nkab dej muaj sab nraud corrosion thiab xav tias nyob rau hauv scale. Tom qab ntxuav qhov chaw thiab lees paub qhov ntev, V- txoj kev teeb liab tseem tsis muaj zog thiab yuav tsum tau nce siab.
Z mounting tuaj yeem txhim kho cov teeb liab tau txais vim tias nws tshem tawm qhov deb - phab ntsa rov qab los ntawm txoj kev acoustic. Lub installer tseem yuav tsum tau ua raws ob lub sensors kom raug thiab paub meej tias cov yeeb nkab tseem puv.
Cov kav dej khib nyiab nrog Persistent Aeration
Ib txoj kab dej khib nyiab muaj cov npuas ntau zaus thiab cov khib nyiab tshem tawm. Ob qhov kev thauj mus los V thiab Z- lub sijhawm npaj ua rau muaj kev kuaj tsis ruaj khov.
Qhov no tsis yog qhov teeb meem ntawm kev teeb tsa- txoj kev. Cov kua yuav tsis muab kev thauj mus los ruaj khov- lub sijhawm. Doppler ntsuas los yog lwm yam cuab yeej ntsuas yuav tsum tau soj ntsuam es tsis txhob rov repositioning tib lub sensors.
Cov Yeeb Nkab Nruab Nrab ze rau ntawm phab ntsa
Cov yeeb nkab muaj qhov siv tau zoo acoustic, tab sis sab nraub qaum yog siv tsis tau. Z mounting tsis tuaj yeem ua kom haum lossis khaws cia kom zoo.
Siv V mounting yog tias tus qauv txhawb nqa daim ntawv thov thiab cov kev kuaj mob tau txais. Yog tias V mounting tsis ua haujlwm, hloov qhov ntsuas qhov taw qhia es tsis yog yuam kev tsis raug qhov tsis raug- sab kev teeb tsa.
Puas Tseem Muaj Txoj Kev W?
Qee qhov clamp- ntawm ultrasonic flow meters txhawb W mounting. Ob lub transducers tau muab tso rau tib sab, tab sis lub suab beam cuam tshuam ntau zaus ua ntej mus txog qhov tau txais sensor.
Txoj kev ntev acoustic tuaj yeem siv tau rau qee cov kav dej me me vim tias qhov kev hloov pauv hauv ntuj - lub sijhawm sib txawv yuav luv heev. Txawm li cas los xij, txhua qhov kev xav tau ntxiv kuj tseem ntxiv qhov attenuation. W mounting yog li ntawd nyob ntawm cov yeeb nkab, transducer zaus, kua, thiab meter tsim.
Tsis txhob xaiv W mounting yooj yim vim tias cov yeeb nkab zoo li me me. Siv hom xam los yog pom zoo los ntawm lub transmitter tshwj xeeb.
Cov ntaub ntawv los npaj ua ntej kev teeb tsa
- Nominal yeeb nkab loj thiab qhov tseeb sab nraud txoj kab uas hla
- Ntsuas los yog txheeb xyuas phab ntsa thickness
- Cov khoom siv yeeb nkab thiab lub sijhawm
- Cov khoom siv hauv ob sab phlu thiab hauv ob sab phlu thickness
- Sab nrauv txheej los yog xim xim
- Lub npe ntawm cov kua dej thiab muaj pes tsawg leeg
- Cov dej kub ntau yam
- Cia siab tias qhov tsawg kawg nkaus, qhov qub, thiab siab kawg ntws
- Seb cov yeeb nkab tseem nyob ntawm xoom ntws
- Xav tau npuas los yog cov khoom uas raug tshem tawm
- Muaj nyob rau hauv upstream thiab downstream ncaj khiav
- Nyob ze cov twj tso kua mis, li qub, lub luj tshib, reducers, thiab tees
- Pipe orientation thiab flow direction
- Kev nkag mus rau ib lossis ob sab ntawm cov yeeb nkab
- ambient kub, vibration, ya raws, thiab txaus ntshai- cheeb tsam yuav tsum tau
- Yuav tsum tau tso zis, xws li 4-20 mA, mem tes, relay, RS485, los yog Modbus
- Seb qhov ntsuas yog ib ntus lossis ruaj khov
Kev tshawb fawb ib ntus tuaj yeem nyiam cov cuab yeej tuav, thaum kev soj ntsuam tas mus li yuav xav tau phab ntsa -cov khoom xa tawm, cov khoom siv txuas mus tas li, couplant ruaj khov, tiv thaiv cov kab hluav taws xob, thiab kev sib txuas rau kev tswj hwm.
Tom qab kev teeb tsa, khaws cov ntaub ntawv yeeb nkab, mounting txoj kev, xam qhov sib nrug, sensor serial tooj, kuaj qhov tseem ceeb, xoom- xyuas qhov tshwm sim, thiab siv nyeem ntawv. Cov ntaub ntawv no ua rau kev saib xyuas tom qab thiabflow meter calibrationtshawb xyuas yooj yim dua rau kev tsim tawm.
Cov lus nug nquag
Q: Puas yog Z txoj kev muaj tseeb dua V txoj kev?
A: Tsis yog Z mounting yuav muab lub teeb liab muaj zog nyob rau hauv qee qhov kev siv nyuaj, tab sis nws tsis tau txais qhov tseeb dua. Kev xaiv kom raug thiab teeb tsa V kev npaj tuaj yeem ua tau zoo dua li qhov kev npaj tsis raug Z. Qhov tseeb nyob ntawm qhov ua tiav daim ntawv thov thiab commissioning zoo.
Q: Lub teeb liab lub zog dab tsi tau txais?
A: Tsis muaj tus lej lees paub thoob ntiaj teb. Cov neeg tsim khoom siv cov ntsuas sib txawv, algorithms, sensor zaus, thiab cov ntsiab lus kuaj. Ua raws li cov kev txwv hauv phau ntawv qhia kev ntsuas ntsuas thiab ntsuas lub teeb liab lub zog ua ke nrog cov teeb liab zoo, nce, suab nrawm, kev thauj mus los - lub sijhawm piv, thiab ntws ruaj khov.
Q: Yuav ua li cas yog ultrasonic transducer spacing?
A: Lub transmitter xam qhov sib nrug ntawm cov yeeb nkab sab nraud txoj kab uas hla, phab ntsa tuab, cov khoom siv yeeb nkab, hauv ob sab phlu, cov khoom ua kua, hom sensor, thiab mounting txoj kev. Siv qhov kev ncua deb rau daim ntawv thov ntawd. Tsis txhob rov siv qhov sib nrug ntawm lwm cov yeeb nkab.
Q: Txoj kev Z puas tuaj yeem siv rau ntawm cov kav dej?
A: Tej zaum, tab sis cov khoom siv hauv ob sab phlu, thickness, daim ntawv cog lus, thiab cov khoom siv acoustic yuav tsum paub. Ib txoj hlua xoob lossis tsis zoo tuaj yeem cuam tshuam lub teeb liab. Ntsuam xyuas qhov chaw thiab tshuaj xyuas kev kuaj mob ua ntej lees txais qhov ntsuas.
Q: V txoj kev siv tau rau ntawm cov yeeb nkab loj?
A: Nws yuav ua hauj lwm thaum lub sensor, yeeb nkab, thiab kua muab lub teeb liab txaus, tab sis attenuation feem ntau dhau los ua ib qho kev txhawj xeeb ntau dua vim txoj kev acoustic ntev dua. Siv cov chaw tsim khoom xaiv cov kev taw qhia thiab kev kuaj mob hauv cheeb tsam es tsis txhob siv txoj cai dav dav.
Q: Yuav ua li cas yog tias cov yeeb nkab tsis puv tag?
A: Txoj kev ultrasonic tuaj yeem hla qhov chaw huab cua es tsis txhob ua kua txuas ntxiv, ua rau lub teeb liab poob lossis ntsuas tsis ruaj khov. Txav cov transducers mus rau qhov chaw uas tseem muaj tag nrho. Hloov ntawm V mus rau Z tsis kho cov yeeb nkab ib nrab.
Q: Yuav tsum muaj cov yeeb nkab ncaj ntau npaum li cas?
A: Qhov yuav tsum tau muaj nyob ntawm qhov ntsuas thiab qhov cuam tshuam ntawm cov dej ntws. Ib qho kev tshaj tawm pib siv yog 10 diameters ntws thiab 5 txoj kab uas hla hauv qab, tab sis cov twj tso kua mis, ib feem qhib li qub, thiab lub luj tshib nyuaj yuav xav tau ntau dua. Ib txwm ua raws li phau ntawv qhia siv tau.
Q: Kuv yuav ua li cas yog tias tsis V lossis Z mounting ua haujlwm?
A: Paub meej tias cov yeeb nkab puv, rov kuaj xyuas txhua qhov ntsuas nkag, tshuaj xyuas qhov chaw, txheeb xyuas qhov ntsuas ntsuas, sim lwm qhov chaw, thiab tshuaj xyuas cov kua dej. Yog tias cov roj av tsis tu ncua los yog cov khoom khib nyiab tiv thaiv kev thauj mus los - lub sij hawm ntsuas, ntsuas Doppler, electromagnetic, los yog lwm yam tsim nyog ndlwg technology.
Q: Puas tuaj yeem clamp- ntawm cov ntsuas ntsuas tsis tau kaw qhov txheej txheem?
A: Hauv ntau daim ntawv thov, yog. Cov transducers txuas rau cov yeeb nkab sab nrauv yam tsis tau txiav los yog tapping kab. Cov khoom lag luam- cov txheej txheem kev nyab xeeb tshwj xeeb, kev ua haujlwm rwb thaiv tsev, kev txwv kev nkag mus, thiab kev nyab xeeb- cov cai hauv cheeb tsam yuav tsum tseem ua raws. Badger Meter piav qhia qhov tsis yog -invasive installation mus kom ze rau nws TFX-5000 clamp-on meter.
Xaus
Siv txoj kev V raws li qhov kev npaj pib ua haujlwm thaum cov yeeb nkab, kua, transducer, thiab kev nkag mus rau kev nkag tau muab ib txoj hauv kev txhim khu kev qha acoustic. Xav txog txoj kev Z thaum qhov kev kuaj xyuas zoo V installation tseem tsis muaj zog, cov yeeb nkab loj lossis acoustic nyuaj, thiab qhov tseeb qhov sib txawv - sab kev sib dhos yog ua tau.
Tsis txhob kho mounting txoj kev raws li ib qho kev xaiv cais. Paub meej tias cov yeeb nkab qhov ntev, phab ntsa thiab hauv ob sab phlu, cov dej txias, kev khiav ncaj nraim, cov qauv sensor, kev sib txuas, qhov sib nrug, kev taw qhia mounting, thiab qhov ntsuas qhov ntsuas ua ntej lees txais qhov tshwm sim.
Tus naj npawb ruaj khov ib leeg tsis muaj pov thawj txaus ntawm kev teeb tsa zoo. Qhov kev txiav txim siab txhim khu kev qha tshaj plaws suav nrog cov ntaub ntawv txheej txheem plausible nrog cov teeb liab ruaj khov zoo, tsim nyog nce, lub suab nrawm nrawm, rov nyeem tau dua, thiab cov ntaub ntawv xoom xoom.
Txhawm rau kom paub meej qhov tsim nyog ntsuas, hom transducer, tso zis teeb tsa, thiab kev teeb tsa mounting rau cov yeeb nkab tshwj xeeb,xa koj cov ntaub ntawv thovua ntej installation.
