Kusarudzwa uye Kushandiswa kweElectromagnetic Flow Meter muSewage Flow Measurement

Nhanganyaya

Iko kurongeka uye kuvimbika zvinodiwa pakuyera uye kutonga kwekuyerera kwesuweji munzvimbo dzemafuta ekuchenesa tsvina dziri kuwedzera nekukwira. Ichi chinyorwa chinosuma kusarudzwa uye kushanda uye kushandiswa kwe electromagnetic flowmeters. Rondedzera maitiro ayo mukusarudza uye kushandiswa.

Kuyerera kwemamita ndeimwe yezviridzwa zvishoma zvakaoma kushandisa pane kugadzira. Izvi zvinodaro nekuti mwero wekuyerera huwandu hunochinja, uye hapana chete viscous kukweshera mumvura iri kufamba asiwo yakaoma kuyerera senge isina kugadzikana vortices uye yechipiri kuyerera. Chiyero chekuyeresa pachacho chinokanganiswa nezvakawanda zvinhu, senge pombi, caliber size, chimiro (denderedzwa, rectangular), mamiriro emuganho, zvimiro zvepakati (tembiricha, kudzvanywa, density, viscosity, tsvina, corrosiveness, etc.), fluid flow state (turbulence state, velocity kugovera, etc.) uye pesvedzero yekuisa mamiriro uye mazinga. Takatarisana nemhando dzinopfuura gumi nembiri uye mazana emhando dzemamita ekuyerera kumba nekune dzimwe nyika (senge volumetric, musiyano wekumanikidza, turbine, nharaunda, electromagnetic, ultrasonic, uye thermal kuyerera mita ayo akagadzirwa achitevedzana), maitiro ekuita Kunonzwisisika kusarudzwa kwezvinhu zvakaita seyekuyerera mamiriro, kuisirwa zvinodiwa, mamiriro ekunze, uye hupfumi ndiyo nheyo uye hwaro hwekushandisa kwakanaka kwemamita ekuyerera. Pamusoro pekuvimbisa kunaka kwechiridzwa pachacho, kupihwa kwedata data uye kana kuiswa, kushandiswa, uye kuchengetedza chiridzwa zvine musoro zvakare zvakakosha. Ichi chinyorwa chinosuma kusarudzwa uye kushandiswa kweiyo electromagnetic kuyerera mita.

Electromagnetic flow mita sarudzo

Nekuvandudzwa kwesainzi uye tekinoroji, tekinoroji yekuona otomatiki yakagadziridzwawo zvakanyanya, uye otomatiki yekuona zvigadziriso zvakashandiswawo zvakanyanya mukugadziriswa kwetsvina, kuitira kuti zvigadziriso zvemashamba emvura zvirege kungochengetedza huwandu hwevashandi uye zviwanikwa zvezvinhu asi zvinonyanya kukosha, zvinogona kuva nenguva Ita zvigadziriso pakuita. Ichi chinyorwa chichatora Hangzhou Asmik's electromagnetic flow mita semuenzaniso kusuma mashandisirwo ezvishandiso zvekuona otomatiki mukurapwa kwetsvina uye mamwe matambudziko aripo.

Chimiro musimboti we electromagnetic kuyerera mita

Iyo otomatiki yekuona chiridzwa ndeimwe yeakakosha subsystems mune otomatiki control system. A general otomatiki yekuona chiridzwa chinonyanya kuumbwa nezvikamu zvitatu: ① sensor, iyo inoshandisa masaini akasiyana-siyana kuona kuyerwa kweanalog uwandu; ② transmitter, iyo inoshandura iyo analog siginecha yakayerwa ne sensor kuita 4-20mA yazvino chiratidzo uye inotumira kune iyo In programmable logic controller (PLC); ③ kuratidza, iyo inoratidza zviyero zvekuyera intuitively uye inopa mhedzisiro. Zvikamu zvitatu izvi zvakasanganiswa, uye pasina chero chikamu, hazvigone kunzi chiridzwa chakakwana. Iyo otomatiki yekuona chiridzwa yakashandiswa zvakanyanya mukugadzirwa kwemaindasitiri nekuda kwehunhu hwayo hwekuyera kwakaringana, kuratidzwa kwakajeka, uye kushanda kuri nyore. Zvakare, iyo otomatiki yekuona chiridzwa ine interface ine microcomputer mukati, uye chikamu chakakosha cheiyo otomatiki control system. Inonzi "Maziso eAutomation Control System".

Electromagnetic flow mita sarudzo

Mukugadzirwa kwemafuta, huwandu hukuru hwetsvina ine mafuta huchagadzirwa nekuda kwezvinodiwa zvekugadzira, uye nzvimbo yekuchenesa tsvina inofanirwa kutarisa kuyerera kwetsvina. Mumagadzirirwo apfuura, akawandaflow metersyakashandisa vortex flow meters uye orifice flow meters. Nekudaro, mumashandisirwo anoshanda, zvinoonekwa kuti kuyerwa kuyerera kwekuratidzira kukosha kune kutsauka kukuru kubva pakuyerera chaiko, uye kutsauka kunoderedzwa zvakanyanya nekuchinja kune electromagnetic kuyerera mita.

Zvinoenderana nehunhu hwetsvina ine shanduko huru yekuyerera, tsvina, kuderera kwecorrosion, uye mamwe magetsi conductivity, electromagnetic flowmeters isarudzo yakanaka yekuyera kuyerera kwetsvina. Iyo ine compact chimiro, diki saizi, uye nyore kuisirwa, kushanda, uye kugadzirisa. Semuenzaniso, iyo yekuyera sisitimu inotora dhizaini yakangwara, uye chisimbiso chese chinosimbiswa, saka chinogona kushanda zvakajairika munzvimbo dzakaoma.

Izvi zvinotevera sumo pfupi yemisimboti yekusarudza, mamiriro ekuisa, uye chenjedzo dzeelectromagnetic flowmeters.

Kusarudzwa kweCaliber uye Range

Iyo caliber ye transmitter inowanzo fanana neiyo yepombi system. Kana iyo piping system ichizogadzirwa, iyo caliber inogona kusarudzwa zvichienderana nekuyerera kweyero uye chiyero chekuyerera. Kune electromagnetic kuyerera kwemamita, iyo yekuyerera mwero ndeye 2-4m/s inonyanya kukodzera. Muzviitiko zvakakosha, kana pane zvimedu zvakasimba mumvura, tichifunga nezvekupfeka uye kubvarura, iyo inowanzoyerera chiyero ≤ 3m / s inogona kusarudzwa. Kune iyo iri nyore-kubatisisa manejimendi fluid. Iyo yekuyerera velocity ≥ 2m / s inogona kusarudzwa. Mushure mekuyerera kwevelocity yatemwa, iyo transmitter caliber inogona kutariswa zvinoenderana neqv=D2.

Uwandu hweiyo transmitter hunogona kusarudzwa maererano nemisimboti miviri: imwe ndeyekuti chiyero chakazara chechiridzwa chakakura kupfuura chinotarisirwa kuyerera kukosha kwekuyerera; imwe yacho ndeyekuti kuyerera kwakajairika kwakakura kupfuura 50% yechiyero chakazara chechiridzwa kuti ive nechokwadi chekuyera kumwe kurongeka.

Kusarudzwa kwekushisa uye kudzvinyirira

Iyo mvura yekumanikidza uye tembiricha iyo electromagnetic kuyerera mita inogona kuyera ishoma. Paunosarudza, kushandiswa kwekushanda kunofanira kunge kwakaderera kudarika kunonzi kushanda kwekushanda kwemamita ekuyerera. Parizvino, dhizaini yekushanda yemagetsi inogadzirwa mudzimba inoyerera ndeye: dhayamita iri pasi pe50mm, uye kushanda nesimba i1.6 MPa.

Kushandiswa munzvimbo yekuchenesa tsvina

Iyo chiteshi chekuchenesa tsvina inowanzoshandisa iyo HQ975 electromagnetic kuyerera mita inogadzirwa naShanghai Huaqiang. Kuburikidza nekuongorora uye kuongororwa kwemamiriro ekushandiswa kweBeiliu sewage treatment station yeNo. Huwandu hwe7 flow meters kusanganisira backwashing, recycling water, uye ekunze kuyerera kwemamita ane kuverenga kusiri iko nekukuvadzwa, uye zvimwe zviteshi zvinewo matambudziko akafanana.

Mamiriro azvino uye matambudziko aripo

Mushure memwedzi yakawanda yekushanda, nekuda kwehukuru hukuru hwemamita ekuyerera kwemvura inouya, kuyerwa kwemamita ekuyerera kwemvura kunopinda kwakanga kusina kururama. Kuchengetedza kwekutanga hakuna kugadzirisa dambudziko, saka kuyerera kwemvura kunogona kungofungidzirwa nekunze kwekutumira mvura. Mushure megore rimwe rekushanda, mamwe mamita ekuyerera akatambura nekurohwa nemheni uye kugadziriswa, uye kuverenga kwacho kwakanga kusina kururama imwe pashure peimwe. Nekuda kweizvozvo, kuverenga kweese electromagnetic kuyerera kwemamita hakuna referensi kukosha. Dzimwe nguva kune kunyange reverse phenomenon kana pasina mazwi. Yese data yekugadzira mvura inofungidzirwa kukosha. Huwandu hwemvura yekugadzirwa kwechiteshi chese huri muchimiro chekusayerwa. Iyo vhoriyamu yemvura sisitimu mune dzakasiyana data mishumo inofungidzirwa kukosha, isina chaiyo chaiyo mvura vhoriyamu uye kurapwa. Iko kurongeka uye kwechokwadi kwe data rakasiyana-siyana hakugone kuvimbiswa, izvo zvinowedzera kuoma kwekugadzira manejimendi.

Mukugadzirwa kwemazuva ese, mushure mekunge chiridzwa chave nedambudziko, chiteshi uye vashandi vemigodhi vakazvizivisa kune dhipatimendi rine hunyanzvi kakawanda uye vakasangana nemugadziri kuti agadziriswe kakawanda, asi pakange pasina mhedzisiro, uye mushure mekutengesa sevhisi yaive yakashata. Zvakanga zvakakodzera kuonana nevashandi vekuchengetedza nguva dzakawanda tisati tasvika panzvimbo yacho. Migumisiro yacho haina kunaka.

Nekuda kwekusarurama kwakashata uye kutadza kwakanyanya kwechiridzwa chepakutanga, zvakaoma kuzadzisa zvinodiwa zvezviyero zvakasiyana-siyana zvekuyera mushure mekugadzirisa uye kuenzanisa. Mushure mekuferefeta kwakawanda uye zvidzidzo, mushandisi weyuniti anoendesa chikumbiro chekuraswa, uye inokwanisa dhipatimendi rekuyera uye otomatiki kutonga kweyuniti ine basa rekubvumidza. . Iyo HQ975 electromagnetic flow metres iyo isati yasvika kune yakatsanangurwa sevhisi hupenyu, asi iine hupenyu hurefu hwesevhisi, kukuvadzwa kwakanyanya kana kuchembera kunoraswa uye kugadziridzwa, uye mamwe marudzi emagetsi emagetsi anoyerera anotsiviwa zvichienderana nepamusoro pesarudzo misimboti zvinoenderana nekugadzirwa chaiko.

Naizvozvo, kusarudzwa zvine musoro uye kushandiswa kwakaringana kwemagetsi emagetsi kuyerera kwakakosha kwazvo kuve nechokwadi chekuyera kurongeka uye kurebesa hupenyu hwesevhisi yechiridzwa. Kuyerera kwemamita kusarudzwa kunofanirwa kuenderana nezvinodiwa zvekugadzira, kutanga kubva pamamiriro chaiwo echigadzirwa chechigadzirwa, kunyatsofunga nezve kuchengetedzwa, huchokwadi uye hupfumi hwekuyera, uye kuona nzira yekuyerera sampling mudziyo uye rudzi rwechiyereso chinoenderana nehunhu uye kuyerera kweyakayerwa fluid uye zvakatemwa.

Kunyatsosarudza zvakatemwa zvechiridzwa zvakare chikamu chakakosha chekuvimbisa hupenyu hwebasa uye kurongeka kwechiridzwa. Kunyanya kukoshesa kunofanira kubhadharwa kusarudzwa kwe static pressure uye kupisa kwekushisa. Iyo static dzvinyiriro yechiridzwa ndiyo dhigirii yekumanikidza kuramba, iyo inofanirwa kunge yakakura zvishoma pane kushanda kweiyo yakayerwa svikiro, kazhinji 1.25 nguva, kuve nechokwadi chekuti hapana kuvuza kana tsaona inoitika. Kusarudzwa kwechiyero chekuyera kunonyanya kusarudzwa kwemuganhu wepamusoro wechiyero chechiridzwa. Kana iyo yakasarudzwa diki, inoremerwa nyore nyore uye inokuvadza chiridzwa; kana yakasarudzwa yakakura zvikuru, inodzivisa kururamisa kwechiyero. Kazhinji, inosarudzwa se 1.2 kusvika ku1.3 nguva dzehuwandu hwekuyerera kwekukosha mukushanda chaiko.

Summary

Pakati pemarudzi ese emamita ekuyerera kwetsvina, iyo electromagnetic kuyerera mita ine kuita kurinani, uye iyo throttling kuyerera mita ine huwandu hwakasiyana hwekushandisa. Chete nekunzwisisa maitiro anoenderana emamita ekuyerera anogona kuyerera mita kusarudzwa uye kugadzirirwa kuita kuyerwa uye kutonga kwekuyerera kwetsvina Kururama uye kuvimbika zvinodiwa zvinosangana. Pachikonzero chekuvimbisa kushanda kwakachengeteka kwechiridzwa, edza kuvandudza kururamisa uye kuchengetedza simba kwechiridzwa. Nechikonzero ichi, zvinodikanwa kwete chete kusarudza chimbo chekuratidzira chinosangana nezvinodiwa asi zvakare kusarudza nzira inonzwisisika yekuyera zvinoenderana nehunhu hwepakati yakayerwa.

Muchidimbu, hapana nzira yekuyera kana yekuyerera mita inogona kuenderana nemhando dzakasiyana dzemvura uye kuyerera mamiriro. Nzira dzekuyera dzakasiyana uye zvimiro zvinoda maitiro ekuyera akasiyana, nzira dzekushandisa, uye mamiriro ekushandisa. Rudzi rumwe norumwe rune zvarwo rwakasiyana uye rusina kukwana. Naizvozvo, mhando yakanakisa yakachengeteka, yakavimbika, ine mari, uye yakasimba inofanira kusarudzwa pahwaro hwekuenzanisa kuzere kweakasiyana nzira dzekuyera uye maitiro ezviridzwa.