Yog tias koj xav ntsuas dej txav los ntawm cov kav dej, lub ntsuas dej ntws yog qhov ntsuas uas ua rau nws. Tab sis xaiv qhov yog qhov nyuaj tshaj qhov nws suab. Flow meter technology, dej chemistry, yeeb nkab loj, installation txwv, thiab cov txheej txheem yuav tsum muaj kev sib cuam tshuam - thiab xaiv qhov tsis ncaj ncees lawm txhais tau tias kev nyeem tsis raug, ua tsis tiav ntxov, lossis tsis tsim nyog downtime.
Phau ntawv qhia no suav nrog cov hom dej ntws loj, piav qhia thaum twg txhua lub tshuab ua kom nkag siab, thiab taug kev los ntawm kev xaiv cov txheej txheem koj tuaj yeem siv rau koj tus kheej.
Dab tsi yog Water Flow Meter?
Lub ntsuas dej ntws yog ib qho cuab yeej uas ntsuas tus nqi lossis qhov ntim ntawm cov dej hla hauv cov yeeb nkab. Nws belongs rau tsev neeg dav dav ntawm cov ntsuas ntsuas dej, tab sis nws raug xaiv thiab teev rau kev pabcuam dej - txhais tau tias cov ntaub ntawv, qhov chaw ntub dej, thiab kev ua haujlwm tsis zoo yuav tsum sib haum nrog dej qhov kub thiab txias, conductivity, thiab muaj peev xwm ua paug.
Lub sij hawm npog ntau yam technologies. Ibelectromagnetic flow meterthiab ibultrasonic flow meteryog ob qho tib si "dej ntws ntsuas," tab sis lawv ua haujlwm ntawm lub cev sib txawv thiab haum rau cov xwm txheej sib txawv. Tias yog vim li cas cov lus nug tseem ceeb tsis yog "Kuv yuav yuav lub ntsuas dej twg?" tab sis theej "Qhov kev ntsuas twg haum rau kuv cov dej, kuv cov yeeb nkab, thiab kuv cov txheej txheem?"
Lub ntsuas dej ntws ntsuas dab tsi?
Cov ntsuas dej ntws ua haujlwm peb qhov kev ntsuas qhov sib txawv, thiab paub qhov twg koj xav tau yog thawj kauj ruam mus rau kev xaiv zoo.
- Tus nqi ntwsyog qhov ntsuas tam sim ntawm cov dej ntau npaum li cas txav los ntawm kab, feem ntau qhia hauv litres ib feeb, cubic meters ib teev, lossis nkas loos ib feeb. Feem ntau cov kev saib xyuas thiab tswj cov ntawv thov nyob ntawm qhov kev nyeem ntawv nyob.
- Totalized ntwsyog lub ntim ntim ntau dhau ib lub sijhawm - ua haujlwm, ib pawg, lub voj voog nqi. ATotalizer flow metertaug qab daim duab no, uas tseem ceeb rau kev faib nqi, kev siv taug qab, thiab kev qhia txog kev tswj hwm. Raws li covISO 4064 tus qauv rau cov ntsuas dej, tag nrho qhov tseeb qhov yuav tsum tau sib txawv ntawm qhov tseeb tus nqi tam sim, yog li ob txoj haujlwm yuav tsum tsis txhob sib sau ua ke thaum xaiv.
- Txheej txheem ua haujlwmmus dhau qhov ntsuas: ceeb toom rau siab lossis qis qis, hloov cov zis rau kev tiv thaiv lub twj tso kua mis, thiab batch tswj rau tank filling. Yog tias koj daim ntawv thov xav tau ib qho ntawm cov no, txhais lawv ua ntej koj pib sib piv cov cuab yeej ntsuas ntsuas - tsis yog tom qab.
Dej Flow Meter Hom: Lub Tshuab Uas Zoo Li Cas?
Tsis muaj universal water flow meter. Txhua lub tshuab muaj lub hauv paus ntsiab lus ntsuas uas txiav txim siab qhov twg nws ua tau zoo thiab qhov twg nws poob qis. Cov lus hauv qab no qhia txog cov hom loj, ua raws li los ntawm kev saib ze dua ntawm txhua tus.
Cov lus sib piv ceev
| Technology | Zoo tshaj rau | Kev txwv tseem ceeb | Tsiv Parts | Kev teeb tsa |
|---|---|---|---|---|
| Sib nqus (Mag) | Cov dej tsis huv, dej qias neeg, dej khib nyiab | Yuav tsum tau yam tsawg kawg nkaus conductivity (feem ntau ntau dua los yog sib npaug rau 5 µS / cm) | Tsis muaj | Inline, Insertion |
| Ultrasonic (Kev thauj mus los -Sijhawm) | Cov dej huv huv, cua txias loops, retrofit | rhiab heev rau npuas thiab suspended solids | Tsis muaj | Inline, Clamp-On, Insertion |
| Vortex | Cov dej kub, siab - kev pabcuam kub | Xav tau txaus khiav ceev; tsis zoo tagnrho ntawm qhov qis heev | Tsis muaj | Inline, Insertion |
| Turbine / Paddle Log | Cov dej huv huv, ntws nruab nrab, nqi -sensitive | Mechanical hnav nyob rau hauv qias neeg los yog siab - khiav kev pab cuam | Yog lawm | Inline, Insertion |
| Qhov chaw sib txawv (Rotameter) | Kev taw qhia pom yooj yim, qis - nqi nyeem ntawv hauv zos | Tsawg qhov tseeb; yuav tsum tau mounted vertically | Yog (float) | Hauv kab |
| Siab sib txawv | Siab -kub, siab - dej siab | Kev poob siab tas mus li; yuav tsum tau impulse piping | Tsis muaj | Hauv kab |
Sib Nqus Flow Meters
Sib nqus flowmeter - feem ntau hu ua mag meters - siv Faraday txoj cai ntawm electromagnetic induction: conductive kua dhau los ntawm magnetic teb generates voltage proportional to flow velocity. Vim tias tsis muaj qhov txav mus los thiab tsis muaj kev cuam tshuam hauv txoj kev ntws, mag meters tuav dej qias neeg, slurries, thiab dej khib nyiab. Lawv tau siv dav hauv kev kho dej hauv nroog, cov txheej txheem dej, thiabKev ntsuas dej phwj tuaj.
Qhov tseem ceeb yuav tsum tau yog conductivity. Feem ntau cov mag metres xav tau cov dej kom muaj qhov tsawg kawg nkaus ntawm 5 µS / cm - ib qho chaw pib uas dej deionized, dej distilled, thiab qee cov txheej txheem ultrapure dej yuav tsis ua raws. Yog tias koj cov dej poob qis dua qhov pib no, mag meter tsis yog ib qho kev xaiv, txawm tias nws haum rau lwm yam. Rau kev siv dej conductive, ibinline magnetic flow meterlos yog ibinsertion- hom mag meteryog ob qho tib si tsim nyog ntsuas nyob ntawm cov yeeb nkab loj thiab kev txwv kaw.
Ultrasonic Flow Meters
Transit- lub sij hawm ultrasonic flow meters ntsuas qhov sib txawv nyob rau hauv lub sij hawm mus txawv tebchaws ntawm ultrasonic pulses xa mus rau ntws thiab downstream los ntawm cov kua. Tsis muaj qhov chaw hu rau cov dej ntws hauv clamp- ntawm cov qauv, thiab txawm tias inline ultrasonic ntsuas tsis muaj cov khoom txav. Qhov no ua rau lawv txaus nyiam rau cov ntawv thov uas muaj kev saib xyuas tsis pub dhau los yog qhov uas yuav tsum muaj kev pheej hmoo kis kab mob tsawg.
Qhov txiaj ntsig zoo tshaj plaws ntawm kev siv tshuab ultrasonic yog kev yooj yim installation. Aclamp- ntawm ultrasonic flow metermounts rau sab nraud ntawm cov yeeb nkab uas tsis muaj kev txiav, vuam, lossis txheej txheem kaw yuav tsum tau ua. Nyob rau hauv retrofit tej yaam num ntawm cov chaw nyob - qhov twg kaw ib chilled -dej voj los yog ib tug txias -dej header thaum lub sij hawm ua hauj lwm teev tsis muaj tseeb - clamp- ntawm ultrasonic feem ntau yog thawj lub tshuab ntsuas. CovAsmeskas Society of Mechanical Engineers (ASME)lees paub ultrasonic transit-lub sij hawm raws li ib qho kev lees paub ntsuas txoj cai rau kaw-cov kav dej ntws.
Txawm li cas los xij, kev thauj mus los - lub sij hawm ultrasonic meters yog rhiab heev rau entrained huab cua thiab siab concentrations ntawm suspended solids, uas tawg lub ultrasonic teeb liab. Rau cov dej qias neeg lossis aerated ntws, Doppler- hom ultrasonic ntsuas yuav ua haujlwm, tab sis lawv pauv qee qhov raug. Cov dej huv huv thiab kaw- lub voj voog yog qhov chaw hla - lub sijhawm ultrasonic ua tau zoo tshaj plaws.
Vortex Flow Meters
A vortex flow meterua haujlwm los ntawm kev tso lub cev bluff rau hauv cov kwj deg uas tso cov vortices ntawm ib zaus proportional rau ntws tshaj tawm. Vim tias vortex meters tsis muaj qhov txav mus los thiab tuaj yeem ua tau nrog siab - cov ntaub ntawv kub, lawv yog qhov kev xaiv muaj zog rau kub- dej kev pabcuam - suav nrog cov kav dej xau rov qab, kub - cov cua kub cua sov, thiab siab - cov txheej txheem dej kub siab tshaj 120℃qhov twg ntau lwm yam cuab yeej ncav cuag lawv cov khoom siv.
Qhov kev txwv tseem ceeb yog qhov tsawg kawg nkaus khiav nrawm uas yuav tsum tau ua kom muaj cov vortices ruaj khov. Ntawm qhov ntws qis heev, vortex meters poob lawv cov teeb liab, uas txhais tau hais tias lawv feem ntau tsis haum rau cov ntawv thov uas muaj qhov xav tau dav dav lossis nquag qis -load haujlwm.
Turbine thiab Paddle Wheel Flow Meters
Turbine meters thiab paddle wheel meters siv lub rotor uas tig proportionally kom ntws tshaj tawm. Lawv yog cov mechanically yooj yim, kuj pheej yig, thiab zoo - to taub. Rau cov dej huv ntawm cov dej ntws nruab nrab - kev ntsuas hluav taws xob, kev siv dej, kev ua kom txias - Tower pleev xim - lawv yog qhov kev xaiv zoo.
Kev sib pauv yog hnav. Ib lub 'meter' nrog cov khoom txav hauv cov kwj deg yuav degrade raws sij hawm, thiab tus nqi ntawm kev hnav nce ntxiv nrog cov khoom sib kis, siab khiav ceev, thiab kev ua haujlwm tas mus li. Hauv 24/7 muaj kev pabcuam nrog dej qias neeg lossis abrasive, aturbine flow meteryuav xav tau kev saib xyuas thiab ntsuas ntsuas ntau dua li lub mag lossis ultrasonic meter nyob rau hauv tib lub sijhawm.
Hloov pauv cheeb tsam Flow Meters (Rotameters)
Qhov ntsuas thaj tsam sib txawv - rotameters - yog qhov kev xaiv yooj yim tshaj plaws: lub ntab nce mus rau hauv lub raj xaim nyob rau hauv kev faib ua feem rau tus nqi ntws, muab qhov muag pom tam sim uas tsis muaj hluav taws xob xav tau. Lawv ua haujlwm zoo rau cov lus qhia hauv zos ntawm cov kab me me uas qhov kev kuaj pom sai yog txhua yam uas xav tau, xws li tshem tawm - cov kab dej, cov kwj deg, lossis kev teeb tsa hauv chav kuaj.
Rotameters yuav tsum tau mounted vertically, muaj tsawg raug piv rau hluav taws xob meters, thiab tsis muaj tej thaj chaw deb teeb liab tso tawm nyob rau hauv lawv daim ntawv yooj yim. Lawv yog cov kev daws teeb meem nyiaj txiag rau cov hauj lwm yooj yim, tsis yog ib qho kev hloov rau kev ntsuas cov txheej txheem precision.
Differential Pressure Flow Meters
Differential siab (DP) flow meter - siv cov phaj orifice, flow nozzles, los yog Venturi raj - xam cov ntws los ntawm lub siab poob nyob rau hauv ib qho kev txwv. Lawv muaj cov ntaub ntawv ntev ntev hauv kev pabcuam dej hauv kev lag luam, thiab kev ntsuas lub hauv paus ntsiab lus yog codified hauv cov qauv xws liTS EN ISO 5167. DP meters tswj qhov kub thiab txias tau zoo, tab sis lawv tsim kev poob siab nyob rau hauv txoj kab thiab feem ntau xav tau cov kav dej thiab cov khoom sib cais, uas ntxiv cov teeb meem kev teeb tsa thiab kev saib xyuas.
Installation Styles: Inline, Insertion, lossis Clamp-On?
Hauv ntau qhov haujlwm, txoj kev teeb tsa ua kom yooj yim rau kev xaiv thev naus laus zis sai dua li lwm yam. Ua ntej sib piv cov qauv ntsuas, teb ib lo lus nug: koj puas tuaj yeem kaw cov kab thiab txiav rau hauv cov yeeb nkab?
Inline Meters
Ib qho inline flow meter yog ntsia ua ib feem ntawm cov kav dej - flanged, threaded, los yog wafer-mounted rau hauv kab. Nws muab qhov ncaj qha tshaj plaws thiab feem ntau yog qhov ntsuas qhov tseeb tshaj plaws vim tias lub ntsuas ntsuas lub cev tswj cov dej ntws los ntawm nws tus kheej qhov ntsuas qhov ntsuas. Inline yog tus qauv txoj hauv kev rau kev tsim kho tshiab thiab rau cov kab uas tau npaj kaw cia tso cai rau spool- hloov khoom.
Insertion Meters
Ib qho ntsuas ntsuas tau qhia los ntawm ib qho taw qhia hauv cov yeeb nkab phab ntsa - feem ntau yog lub pob valve lossis kub -kais haum - nrog lub sensor txuas mus rau hauv qhov ntws. Qhov no txo qis tus nqi txhim kho ntawm cov kav loj - txoj kab uas hla (feem ntau DN150 / 6 ntiv tes thiab siab dua), qhov twg tag nrho - bore inline meter ua lub cev loj thiab kim. Insertion meters kuj tso cai rau kev tshem tawm los ntxuav lossis rov ua kom rov zoo dua yam tsis tau tso cov kab, uas tseem ceeb hauv cov nroj tsuag uas kaw qhov rais luv. Insertion versions muaj rauelectromagnetic, ultrasonic, thiablub vortextshuab.
Clamp-Ntawm Meters
Clamp- ntawm meters - yuav luag tsuas yog ultrasonic - mount rau sab nraum cov yeeb nkab. Tsis muaj yeeb nkab txiav, tsis muaj kev sib cuag, tsis muaj kev kaw. Qhov no ua rau lawv xaiv lub neej ntawd thaum txoj kab lub cev tsis tuaj yeem qhib: cov tsev nyob, lub voj voog txias txias, thaj chaw muaj kev phom sij, lossis kev ntsuas ntsuas ib ntus. Aclamp- ntawm lub ntsuas dej ntwstuaj yeem ntsia tau thaum lub kaw lus ua haujlwm, uas tshem tawm cov khoom tsim tawm -cov nqi poob uas ua rau tus nqi tag nrho ntawm ntau qhov kev teeb tsa hauv kab.
Qhov kev sib pauv yog qhov clamp- ntawm qhov raug yog nyob ntawm cov yeeb nkab phab ntsa mob, coupling zoo, thiab qhov sib txawv transducer raug. Ntawm qhov tshiab, zoo- yam ntxwv piping, clamp- ntawm kev ua tau zoo tuaj yeem ua tau zoo heev. Ntawm cov kav dej qub, corroded, los yog kab, cov txiaj ntsig yuav tsis tshua muaj kev ntseeg siab yam tsis muaj teeb meem ceev faj. Yog xav paub txog yam uas cuam tshuam rau clamp- ntawm kev ntsuas, saib phau ntawv qhia no rauultrasonic flow meter raug.
Kev txiav txim siab luv: Pib nrog kev txwv kev teeb tsa
Siv cov lim nrawm no ua ntej sib piv cov thev naus laus zis:
- Tsis tuaj yeem kaw txoj kab →Pib nrog clamp- ntawm ultrasonic lossis kub-tappable insertion meters.
- Cov yeeb nkab loj (DN150+) thiab kaw tau →Sib piv cov ntsuas ntsuas tawm tsam inline los ntsuas tus nqi piv rau qhov tseeb.
- Kev tsim kho tshiab lossis npaj hloov spool →Inline yog lub neej ntawd; xaiv cov tshuab uas zoo tshaj plaws haum rau cov dej thiab cov txheej txheem txheej txheem.
- Xav tau kev ntsuas ib ntus lossis nqa tau → Portable ultrasonic flow meternrog clamp- ntawm transducers yog tsim los rau qhov no.
Yuav Ua Li Cas Xaiv Ib Lub Ntsuas Dej: Ib Txoj Kev Xaiv 5-kauj ruam
Tsis yog muab piv rau kaum ob ntawm cov qauv ua ntej, ua haujlwm los ntawm tsib lub lim dej no hauv kev txiav txim. Txhua kauj ruam tshem tawm cov kev xaiv uas yuav tsis muaj sia nyob hauv koj daim ntawv thov.
Kauj Ruam 1: Qhia cov dej
Pib nrog dab tsi ntws los ntawm cov yeeb nkab - tsis nrog qhov ntsuas koj xav yuav. Cov yam ntxwv tseem ceeb ntawm cov dej uas tsav xaiv muaj xws li conductivity, qib paug, yaj cov khib nyiab, cua nkag, thiab tshuaj lom neeg ua phem.
Conductivity saum toj no roughly 5 µS / cm qhib qhov rooj rau magnetic meters. Tsis yog - dej conductive (deionized, distilled, ultrapure) tswj mag meters tawm thiab thawb koj mus rau ultrasonic lossis mechanical technologies. Cov dej qias neeg nrog cov khib nyiab tshem tawm txoj cai hla kev hla - lub sij hawm ultrasonic thiab nyiam mag meters los yog Doppler ultrasonic. Cov cuab yeej no ib leeg - dab tsi nyob hauv dej - yog qhov muaj zog tshaj plaws thawj lim hauv meter xaiv.
Kauj Ruam 2: Txhais qhov kub thiab txias txwv
Txhua lub 'meter' muaj qhov ntsuas kub thiab siab ntau yam. Kub- cov ntawv thov dej siab tshaj 90℃thiab siab - cov kab siab nqaim hauv thaj teb sai sai vim tias cov khoom siv sensor, cov ntsaws ruaj ruaj, hluav taws xob, thiab kev ntsuas cable txhua tus muaj kev txwv. Rausiab - ntsuas dej ntsuas kub, vortex thiab qhov sib txawv siab ntsuas feem ntau muab cov qhov rais dav tshaj plaws. Rau chilled - cov tshuab dej nyob ze lossis qis dua 0 degree, xyuas kom meej tias qhov ntsuas qhov ntsuas qhov ntsuas qhov ntsuas qhov ntsuas kub tsawg kawg nkaus thiab cov khoom sib txuas (rau clamp- ntawm hom) raug ntsuas rau qhov ntsuas qhov ntsuas qhov tseeb.
Kauj Ruam 3: Ntsuas Flow Range thiab Turndown
Ib lub 'meter' yuav tsum ua kom raug thoob plaws tag nrho cov dej ntws uas koj xav tau tiag tiag, tsis yog ntawm tus qauv tsim -point siab tshaj plaws. Cov kab ke uas voj voog nruab nrab ntawm qhov siab thiab qis, khiav ntawm qhov muaj peev xwm txo qis thaum lub sijhawm tawm -cov sij hawm siab tshaj, lossis pom cov kev xav tau ntawm lub caij nyoog xav tau cov ntsuas nrog qhov sib npaug txaus - qhov piv ntawm qhov siab tshaj plaws thiab qhov ntsuas qhov tsawg kawg nkaus.
Sib nqus thiab ultrasonic meters feem ntau muab turndown ratios ntawm 30: 1 los yog zoo dua. Vortex meters muaj ntau txwv nyob rau hauv qis kawg. Turbine meters poob qhov chaw nyob nruab nrab. Yog tias koj qhov kev khiav hauj lwm muaj ntau lub hnab ntawv dav, cov kauj ruam no ib leeg tuaj yeem tshem tawm ntau yam thev naus laus zis.
Kauj Ruam 4: Qhov Tseem Ceeb hauv Kev Kho thiab Tag Nrho Tus Nqi
Tus nqi yuav khoom yog tus nqi pom. Tus nqi zais yog dab tsi nws yuav siv los ua kom lub 'meter' khiav haujlwm: kaw rau kev ntxuav, rov ua dua lub sijhawm, hloov cov khoom hnav, thiab cov khoom poob thaum lub sijhawm tu. Hauv kev pabcuam kev lag luam tas mus li, ib lub 'meter' uas raug nqi 30% ua ntej tab sis ua haujlwm tau ntau xyoo yam tsis muaj kev cuam tshuam feem ntau xa tus nqi qis ntawm cov tswv cuab dua li cov tsev pheej yig dua uas xav tau kev saib xyuas peb lub hlis twg.
Tsis muaj- txav- cov khoom siv thev naus laus zis - mag, ultrasonic, vortex - feem ntau yuav tsum muaj kev tu ncua tsawg dua li cov ntsuas ntsuas.Tsis yog -intrusive flow metercoj qhov no ntxiv los ntawm kev tshem tawm cov txheej txheem kev sib cuag tag nrho.
Kauj Ruam 5: Qhia tawm cov khoom siv thiab cov txheej txheem ua haujlwm
Txhais qhov ntsuas qhov xav tau los sib txuas lus: ib qho khoom siv hauv zos nkaus xwb, 4-20 mA analog tso zis rau PLC lossis DCS, pulse tso zis rau tag nrho, RS485 lossis Modbus rau lub tsev tswj kev tswj hwm, lossis lub tswb relay hu rau kev tiv thaiv twj tso kua mis. Tsis yog txhua lub 'meter' txhawb nqa txhua hom tso zis, thiab ntxiv cov haujlwm tom qab kev yuav khoom feem ntau tsis ua haujlwm.
Yog hais tias batch tswj los yog tag nrho yog ib qho tseem ceeb yuav tsum tau, paub meej tias lub 'meter' muaj xws li ib tug onboard totalizer los yog sib xws nrog ib tug sab nraud.flow totalizeruas tuaj yeem tswj koj qhov ntim thiab qhov xav tau raug.
Qhov zoo tshaj plaws Dej Flow Meter los ntawm Daim Ntawv Thov
Kub Dej Systems
Kub kam rau siab yog thawj lub rooj vag. Rau qhov kub- kev pabcuam dej siab tshaj 90 degree, lub ntsuas dej ntub dej, cov ntsaws ruaj ruaj, cov khoom siv hluav taws xob, thiab cov hluav taws xob hluav taws xob yuav tsum tau ntsuas txhua qhov ntsuas kub siab tshaj plaws - tsis yog qhov chaw ua haujlwm ib txwm muaj, tab sis kuj muaj kev ntxhov siab lossis kev pib ua haujlwm. Vortex meters thiab qhov sib txawv siab ntsuas feem ntau tau teev tseg rau cov kub- dej voj voog vim tias lawv cov khoom siv ua kom sov siab yam tsis muaj kev hloov kho tshwj xeeb. Rau BTU lub zog ntsuas hauv cov cua sov lossis cua txias, ib qhoUltrasonic BTU Meterua ke nrog kub sensors tuaj yeem muab cov ntaub ntawv sib xyaw ua ke.
Chilled dej thiab cua txias Loops
Chilled-cov tshuab dej thiab cov cua txias feem ntau khiav ntawm cov dej huv, kho hauv qhov chaw kaw - cov xwm txheej uas haum rau ob qho tib si mag meters thiab kev thauj mus los - lub sij hawm ultrasonic meters. Cov kev hloov pauv tseem ceeb yog qhov ntsuas qhov ntsuas kub tsawg kawg nkaus, qhov ntev - lub sijhawm ruaj khov ntawm qhov ruaj khov- lub xeev cov xwm txheej, thiab seb qhov kev teeb tsa puas tuaj yeem tiv thaiv kev kaw rau meter installation. Hauv qhov txias txias - cov nroj tsuag dej uas muaj ntau lub voj voog khiav tsis tu ncua, clamp- ntawm ultrasonic meters feem ntau xaiv vim lawv tuaj yeem ntsia tau thiab rov ua haujlwm yam tsis muaj kev cuam tshuam kev ua haujlwm.
Cov dej khib nyiab thiab dej qias neeg
Cov dej khib nyiab yog ib qho ntawm cov kev xav tau tshaj plaws hauv kev ntsuas dej ntws. Tshem tawm cov khib nyiab, roj, fibers, thiab kev hloov pauv hloov pauv txhua yam cuam tshuam rau kev xaiv 'meter'. Cov ntsuas dej txheem - tshwj xeeb tshaj yog cov uas txav mus los lossis nqaim - feem ntau tsis haum rau cov dej phwj tuaj thiab cov txheej txheem dej khib nyiab.
Electromagnetic flow meter yog cov thev naus laus zis tseem ceeb hauv kev pabcuam dej khib nyiab vim tias lawv muaj tag nrho - bore, unobstructed flow paths thiab tsis cuam tshuam los ntawm cov khib nyiab, viscosity, los yog ntom hauv lawv qhov ntsuas ntau. Covelectromagnetic dej flow meternrog cov ntaub ntawv tsim nyog (xws li cov roj hmab tawv lossis PTFE) yog cov qauv kev qhia tshwj xeeb hauv cov dej khib nyiab hauv nroog thiab kev lag luam thoob ntiaj teb.
Pump Saib Xyuas thiab Tiv Thaiv
Thaum lub ntsuas ntsuas tau nruab rau ntawm lub twj tso kua mis, nws feem ntau ua haujlwm ob txoj haujlwm: lees paub tias lub twj tso kua mis xa cov kev xav tau txaus siab, thiab tiv thaiv lub twj tso kua mis los ntawm qhuav- khiav lossis qis- cov dej ntws uas ua rau cavitation, overheating, thiab tsis ua hauj lwm ntxov ntxov. Rau kev tiv thaiv twj tso kua mis, lub ntsuas xav tau lub sij hawm teb ceev thiab txhim khu kev qha lub tswb lossis hloov cov zis - tsis yog qhov kev nyeem ntawv tseeb ntawm lub xeev khov kho. Mag meters thiab ultrasonic meters ob leeg ua hauj lwm zoo ntawm no, nyob ntawm seb dej conductivity thiab installation txwv.
Dej Tank thiab Batching
Tank filling, tshuaj dosing, thiab batch txheej txheem nyob ntawm tag nrho cov ntim ntau dua li instantaneous npaum li cas. Lub 'meter' yuav tsum raug suav tag nrho cov ntim khoom xa tuaj, thiab nyob rau hauv ntau zaus yuav tsum muab batch - ua tiav cov teeb liab kaw lub valve lossis nres lub twj tso kua mis. Mag meters nrog onboard totalizers yog muaj nyob rau hauv batching daim ntaub ntawv. Rau kev saib xyuas qib tank raws li kev ntxiv rau kev ntsuas ntws, akua theem metermuab kev lees paub ncaj qha ntawm qhov tau nkag mus rau hauv lub tank tiag tiag.
Feem ntau yuam kev thaum xaiv lub ntsuas dej ntws
Xaiv tus nqi ib leeg.
Tus nqi qis dua - tus nqi ntsuas uas hnav tawm hauv qhov kev pabcuam qias neeg, nyeem tsis raug ntawm qhov qis qis, lossis xav kom rov ua kom rov zoo dua yog kim dua nyob rau hauv tag nrho cov nqi dua li qhov zoo dua - ntsuas ntsuas ntawm tus nqi siab dua. Ntsuas tag nrho cov nqi ntawm kev ua tswv cuab - suav nrog kev saib xyuas, kev poob qis, thiab kev cuam tshuam ntau lawm - tsis yog tsuas yog daim ntawv xaj khoom xwb.
Tsis quav ntsej txog dej chemistry.
Conductivity, contaminants, thiab yaj gases tsis yog lwm yam kev xav. Lawv yog cov lim thawj. Ib lub mag meter nyob rau hauv uas tsis yog - dej conductive yuav tsis nyeem kiag li. Kev thauj mus los- lub sijhawm ntsuas ultrasonic hauv cov dej aerated yuav muab cov txiaj ntsig tsis raug. Pib nrog dej; ces xaiv lub 'meter'.
Overlooking installation kev muaj tiag.
Ib lub 'meter' uas yuav tsum tau tshem tawm tag nrho cov yeeb nkab yog qhov tsis ncaj ncees lawm yog tias txoj kab khiav 24/7 tsis muaj qhov rais kaw. Hloov pauv, qhia qhov clamp- ntawm 'meter' rau qhov tshiab- tsim qhov project uas inline installation ncaj nraim tuaj yeem txi qhov tsis tsim nyog. Muab cov txheej txheem kev teeb tsa rau qhov project, tsis yog lub hauv paus ntsiab lus ntsuas rau cov kua.
Tsis nco qab cov txheej txheem tso tawm.
Kev yuav ib lub 'meter' uas nyeem ntws tab sis tsis tuaj yeem xa lub tswb, tag nrho, lossis kev sib txuas lus tso tawm koj qhov kev tswj hwm xav tau yog qhov ua yuam kev thiab tiv thaiv tsis tau. Qhia tawm cov zis thaum ntxov - tsis yog qhov kev xav tom qab.
FAQs Txog Dej Flow Meters
Dab tsi yog qhov txawv ntawm lub ntsuas dej ntws thiab lub ntsuas dej?
Ib "dej ntsuas dej" hauv cov lus niaj hnub feem ntau yog hais txog lub ntsuas hluav taws xob uas ntsuas tag nrho tsev neeg lossis kev lag luam dej haus. Ib "dej flow meter" yog ib lub ntsiab lus dav dav uas suav nrog txhua qhov ntsuas uas ntsuas tus nqi ntws los yog tag nrho cov ntim hauv cov yeeb nkab - suav nrog cov txheej txheem kev ntsuas, cua txias -voj meters, thiab cov ntsuas dej khib nyiab. Cov thev naus laus zis hauv qab tuaj yeem sib tshooj, tab sis cov dej ntsuas dej muaj peev xwm tau teev tseg rau ntau qhov kev nthuav dav, cov zis tawm, thiab cov kev xav tau raug.
Puas tuaj yeem ntsuas dej ntsuas dej kub?
Yog, muab cov 'meter' cov ntaub ntawv thiab cov khoom siv hluav taws xob raug ntsuas rau qhov ntsuas kub ntawm daim ntawv thov. Tsis yog txhua qhov ntsuas dej ntws zoo tsim nyog rau cov dej kub - kev pabcuam dej. Vortex meters, qhov sib txawv siab ntsuas, thiab qee qhov inline ultrasonic ntsuas feem ntau yog siv hauv cov dej kub -. Nco ntsoov txheeb xyuas qhov ntsuas kub siab tshaj plaws tiv thaiv koj qhov kev ua haujlwm tiag tiag, suav nrog txhua qhov siab tshaj plaws.
Lub ntsuas dej ntws puas tuaj yeem tswj cov dej khib nyiab lossis dej phwj tuaj?
Qee qhov ua tau, tab sis ntau tus qauv dej ntws ntsuas tsis yog tsim los rau cov dej khib nyiab. Electromagnetic flow meter yog cov cuab yeej siv dav tshaj plaws hauv cov dej phwj tuaj thiab qias neeg - cov ntawv thov dej vim tias lawv tsis muaj kev cuam tshuam hauv txoj kev ntws thiab tsis cuam tshuam los ntawm cov khoom khib nyiab lossis cov khoom sib txawv hauv lawv qhov ntsuas.
Ib qho clamp- ntawm 'meter' tuaj yeem ua haujlwm yam tsis tau txiav cov yeeb nkab?
Yog lawm. Lub clamp- ntawm ultrasonic flow meter txuas rau sab nraud ntawm cov yeeb nkab thiab ntsuas ntws los ntawm cov yeeb nkab phab ntsa. Tsis tas yuav tsum tau txiav, vuam, lossis txheej txheem kaw. Qhov no ua rau clamp- ntawm cov meters tshwj xeeb tshaj yog muaj txiaj ntsig rau kev txhim kho retrofit, ntsuas ib ntus, thiab cov kab uas tsis tuaj yeem tshem tawm ntawm kev pabcuam. Cov ntsiab lus ntxiv ntawm clamp- ntawm kev teeb tsa muaj nyob hauv qhov noclamp- ntawm ultrasonic flow meter qhia.
Dab tsi yog Totalizer ntawm lub ntsuas dej ntws?
Ib tug totalizer accumulates tag nrho cov ntim dej uas tau dhau los ntawm lub 'meter' dhau sij hawm. Thaum tus nqi ntws qhia koj tias dej nrawm npaum li cas tam sim no, tus Totalizer qhia koj tias dej tau txav mus rau tag nrho - thaum lub sijhawm ua haujlwm, ib pawg, ib hnub, lossis lub sijhawm them nqi. Totalizers yog qhov tseem ceeb rau kev saib xyuas kev noj qab haus huv, batch tswj, thiab faib nqi.
Kuv yuav ua li cas thiaj paub yog tias lub ntsuas dej sib nqus yuav ua haujlwm nrog kuv cov dej?
Qhov tseem ceeb yuav tsum tau yog hluav taws xob conductivity. Feem ntau cov magnetic flowmeter xav tau yam tsawg kawg nkaus conductivity ntawm kwv yees li 5 µS / cm. Cov dej kais dej, txheej txheem dej, dej txias, thiab dej khib nyiab tag nrho feem ntau tshaj qhov pib. Deionized dej, dej distilled, thiab qee cov dej ntshiab tsis muaj. Yog tias koj tsis paub meej, ntsuas qhov conductivity ntawm koj cov dej los yog thov kom muaj kev sib raug zoo los ntawm lub ntsuas hluav taws xob.
Lub ntsuas dej twg yog qhov zoo tshaj plaws rau cov haujlwm retrofit?
Rau retrofits qhov twg cov yeeb nkab tsis tuaj yeem raug kaw, clamp- ntawm ultrasonic meters feem ntau yog qhov pib vim lawv yuav tsum tsis txhob hloov cov yeeb nkab. Yog tias cov yeeb nkab tuaj yeem kub-tapping (drilled nyob rau hauv siab), insertion- hom meters - electromagnetic, ultrasonic, los yog vortex - muab ib tug nruab nrab hauv av ntawm clamp- ntawm qhov yooj yim thiab inline raug.
Kuv yuav tsum xyuas dab tsi ua ntej txhim kho lub ntsuas dej ntws?
Paub meej tias cov yeeb nkab loj, lub sijhawm, thiab cov khoom siv. Xyuas kom tseeb tias koj muaj qhov ncaj ncaj txaus- cov kav dej ntws ntws mus rau hauv qab ntawm qhov ntsuas (qhov yuav tsum tau sib txawv los ntawm kev siv tshuab - feem ntau 10-20 yeeb nkab diameters ntws thiab 5 nqes hauv qab). Txheeb xyuas cov dej kub thiab siab tiv thaiv cov ntsuas ntsuas ntsuas. Xyuas kom cov hluav taws xob sib txuas, cov teeb liab tso tawm, thiab kev taw qhia mounting yog sib xws nrog koj lub installation. Rauflow meter calibrationcov kev xav tau, tsim kom muaj lub hauv paus calibration ua ntej commissioning.
Daim ntawv txheeb zaum kawg ua ntej koj yuav
Ua ntej muab qhov kev txiav txim rau lub ntsuas dej ntws, paub meej tias koj tuaj yeem teb txhua nqe lus nug no:
- Hom dej twg nyob hauv kab - huv, qias neeg, conductive, tsis yog -conductive, kub, chilled, kho, los yog raw?
- Dab tsi yog qhov ib txwm, yam tsawg kawg, thiab siab tshaj plaws ntws tus 'meter' yuav tsum ua?
- Dab tsi yog qhov kev khiav hauj lwm kub thiab siab ntau yam, nrog rau kev chim siab?
- Cov yeeb nkab puas tuaj yeem raug kaw rau kev teeb tsa, lossis yuav tsum ntsuas lub ntsuas hluav taws xob rau ntawm kab nyob?
- Cov yeeb nkab loj npaum li cas, cov khoom siv, thiab phab ntsa thickness koj ua haujlwm nrog?
- Puas ncaj nraim - cov kav dej khiav muaj nyob rau hauv dej thiab nqes dej ntawm qhov chaw ntsuas qhov chaw?
- Koj puas xav tau tus nqi txaus nkaus xwb, lossis tseem suav tag nrho, batching, tswb, lossis kev sib txuas lus?
- Dab tsi kev saib xyuas nkag thiab kaw zaus qhov kev teeb tsa no tuaj yeem zam tau?
- Tus nqi tag nrho ntawm kev ua tswv yog dab tsi - suav nrog kev teeb tsa, kev saib xyuas, thiab kev poob qis - tsis yog tus nqi ntsuas xwb?
Yog tias koj tuaj yeem teb cov lus nug no kom meej, koj yuav tshem tawm feem ntau ntawm cov kev xaiv tsis raug ua ntej koj puas qhib cov khoom catalog. Lub ntsuas dej zoo tsis yog ib qho uas muaj cov yam ntxwv zoo tshaj plaws lossis tus nqi qis tshaj - nws yog ib qho uas phim koj cov dej num, koj qhov kev txwv, thiab koj cov txheej txheem yuav tsum tau ua. Pib nrog peb yam, thiab kev xaiv thev naus laus zis feem ntau nqaim nws tus kheej.
Rau kev pab txheeb xyuas qhov ntsuas qhov zoo tshaj plaws rau koj daim ntawv thov tshwj xeeb,tiv tauj peb pab pawg engineeringlos yogxa ib qho kev nugnrog koj cov txheej txheem cov ntsiab lus.
