Indasitiri yemafuta inomira semusana wekugadzirwa kwepasi rose, inosanganisira kugadzirwa, kucheneswa, uye kutakurwa kwemafuta asina kucheneswa, gasi rechisikigo, uye zvigadzirwa zvakasiyana-siyana zvinobva kune mamwe mafuta. Muchikamu ichi chine njodzi huru, uko mashandiro anosanganisira mvura ine njodzi, kumanikidzwa kwakanyanya, tembiricha yakanyanya, uye zvinodiwa zvemutemo wakasimba, kuyerwa kwemvura kwakarurama uye kwakavimbika hakusi kungoshanda zvakanaka chete—idziviriro yakakosha yekuchengetedza, kutevedzera mitemo, uye purofiti. Pakati pematekinoroji akasiyana-siyana ekuyera kuyerera aripo, mass flow metres (MFMs) akabuda senzira yakanaka yekushandisa petrochemical, achipa kunyatsojeka uye kuchengetedzeka kunoenderana nezvinodiwa zvakanyanya zveindasitiri.
Kusiyana nemamita ekuyerera kwehuwandu, ayo anoyera huwandu hwemvura inopfuura nemupombi, mamita ekuyerera kwehuwandu anoyera zvakananga huwandu hwemvura inoyerera - kugona kwakakosha kuindasitiri yemafuta. Oiri isina kuchena, mafuta akacheneswa, uye makemikari anowanzo ratidza huwandu hunoshanduka nekuda kwekuchinja kwekushisa, kumanikidzwa, uye kuumbwa. Kuyerwa kwehuwandu, uko kunonyanya kunzwisiswa nezvinhu izvi, kunogona kutungamira kune kusarongeka kukuru, zvichikonzera kurasikirwa nemari (semuenzaniso, mukutengeserana kwechigadzirwa) kana njodzi dzekushanda (semuenzaniso, kuzadza matangi ekuchengetera zvakanyanya). Mamita ekuyerera kwehuwandu, zvakasiyana, anopa kuverenga kwakananga kwehuwandu husingakanganiswi nekuchinja kwehuwandu, zvichiita kuti kuve nekurongeka kwakaringana mumamiriro akasiyana-siyana ekushanda akajairika emaitiro emafuta.
Kuchengetedzeka ndicho chinhu chinonyanya kukosha mukushanda kwemafuta, uko kudonha kana kusayera zvakanaka kwemvura inobvira, ine chepfu, kana inoparadza kunogona kutungamira mutsaona dzakaipa, kusvibiswa kwezvakatipoteredza, uye kurasikirwa nehupenyu. Mamita ekuyerera kwemvura akagadzirwa kuderedza njodzi idzi kuburikidza nekugadzira kwakasimba uye zvinhu zvepamusoro zvekuchengetedza. Mamita ekuyerera kwemvura eCoriolis, rudzi rwunonyanya kushandiswa mukushandiswa kwemafuta, ane dhizaini yakavharwa, isingapindiki isina zvikamu zvinofamba murwizi rwemvura. Izvi zvinobvisa njodzi yekukundikana kwemuchina kana kupfeka kunogona kukonzera kudonha, zvichiita kuti zvive zvakanaka pakubata mvura ine njodzi senge mafuta asina kucheneswa, benzene, uye ethylene. Pamusoro pezvo, akawanda mamita ekuyerera kwemvura emhando yeindasitiri akagadzirwa nezvinhu zvisingapindi ngura—senge simbi isina ngura, Hastelloy, kana titanium—zvinogona kutsungirira hunhu hwemvura yemafuta emafuta, zvichiwedzera kuchengetedzeka kwekushanda uye kuwedzera hupenyu hwemidziyo.
Kururama kwemamita ekuyerera kwehuwandu kwakakosha zvikuru mukuchenesa petrochemical uye kugoverwa kwezvigadzirwa, uko kunyangwe kutsauka kudiki pakuyera kunogona kushandura mhedzisiro huru yemari. Semuenzaniso, mukuchenesa mafuta asina kucheneswa, kuyera kwakarurama kwehuwandu hwezvikafu zvechikafu kunoita kuti pave nekudzora kwakakodzera maitiro, zvichiwedzera goho rezvigadzirwa zvine mutengo wakakwira (semuenzaniso, peturu, dhiziri) ukuwo zvichideredza marara. Mukutengeserana kwechigadzirwa, uko zvinhu zvinotengwa uye zvinotengeswa zvichibva pahuwandu, kuverenga kwakarurama kweMFM kunovimbisa kutengeserana kwakaringana uye kudzivirira kurasikirwa kwemari. Mamita ekuyerera kwehuwandu hwemazuva ano anopa kururama kwakanyanya - kazhinji mukati me ±0.1% yemutengo wakayerwa - ari nani kupfuura matekinoroji ekuyera kuyerera kwechinyakare uye achisangana nezvinodiwa zvemetrological zveindasitiri yepetrochemical nemasangano anotonga akadai seAmerican Petroleum Institute (API) neInternational Organization for Standardization (ISO).
Maitiro ePetrochemical anoshanda munzvimbo dzakasiyana-siyana dzakaoma, kubva pamapaipi emafuta asina kucheneswa ane simba guru (anopfuura 100 bar) kusvika kumayuniti ekuchenesa anodziya zvakanyanya (anosvika 400°C) uye nzvimbo dzekuchengetera gasi rechisikigo rakanyorova (LNG) (-162°C). Mamita ekuyerera kwemafuta akagadzirwa kuti abudirire munzvimbo idzi dzakaoma, ane kugona kwekupisa kwakanyanya uye kudzvanywa kunoita kuti kuverenga kuve kwakarurama kunyangwe mamiriro ekushanda achichinja. Semuenzaniso, mamita ekuyerera kwemafuta eCoriolis anoshandisa masensa akavakirwa mukati kuti atarise tembiricha yekuyerera nekudzvanywa kwemvura munguva chaiyo, achigadzirisa zviyero otomatiki kuti aone kana paine shanduko. Kuchinjika uku kunoita kuti akwanise kushandiswa mumhando dzakasiyana dzemashandisirwo epetrochemical, kusanganisira kuburitsa mafuta asina kucheneswa, kugadzira gasi rechisikigo, kugadzirwa kwepolymer, uye kusanganisa makemikari.
Pamusoro pekuchengetedzeka uye kururama, mita dzekuyerera kwehuwandu dzinobatsira mukuvandudza kushanda zvakanaka uye kushandurwa kwedhijitari muindasitiri yemafuta. MaMFM emazuva ano ane mainterface ekutaurirana edhijitari—akadai seRS485, Modbus, kana Foundation Fieldbus—anogonesa kubatanidzwa zvakanaka nemaitiro ekudzora mashandiro (PCS) uye software yekuronga zviwanikwa zvebhizinesi (ERP). Izvi zvinobvumira kutarisa kwehuwandu hwekuyerera kwehuwandu, kuwana data kure, uye kugadzirisa otomatiki maitiro, zvichipa simba kune vanoshanda kuti vagadzirise maitiro ekugadzira, kuderedza kushandiswa kwesimba, uye kufanotaura zvinodiwa pakugadzirisa. Semuenzaniso, nekutarisa huwandu hwekuyerera kwehuwandu hwezvinhu zvinokonzera kupisa mumaitiro epolymerization, vashandi vanogona kugadzirisa madosi kuti vavandudze mhando yechigadzirwa uye kuderedza marara ezvinhu. Nyevero dzekuchengetedza dzinofanotaura, dzakavakirwa padata kubva kuma sensors eMFM, dzinobatsirawo kuderedza nguva yekusashanda isina kurongwa—chinhu chakakosha muindasitiri uko kukanganiswa kwekugadzira kunogona kukonzera kurasikirwa kwemamiriyoni emadhora.
Pakusarudza mita yekuyerera kwehuwandu hwezvinhu zvinoshandiswa mumafuta, zvinhu zvakakosha zvinofanirwa kutariswa kuti zvive nechokwadi chekuti inoshanda zvakanaka. Chekutanga, mita inofanira kunge inoenderana nehunyanzvi hwemvura, kusanganisira viscosity, corrosiveness, uye chemical composition. Chechipiri, inofanira kusangana nezvinodiwa nekushanda kwepressure netembiricha yekushandiswa. Chechitatu, kurongeka kwemita uye turndown ratio (huwandu hwehuwandu hwemvura yainogona kuyera nemazvo) inofanira kuenderana nezvinodiwa nemaitiro. Chekupedzisira, kutevedzera mitemo yeindasitiri nezvitupa—zvakaita seATEX yenzvimbo dzinoputika kana NACE yekudzivirira ngura—kwakakosha kuti kuve nechokwadi chekuti mitemo yakachengeteka uye inotevedzera mitemo.
Mukupedzisa, mita dzemagetsi dzinoyerera zvakanyanya dzave zvishandiso zvakakosha muindasitiri yemafuta, zvichipa kuchengetedzeka, kururama, uye kuvimbika kunodiwa kuti vafambire mberi nematambudziko akasiyana echikamu ichi. Kugona kwavo kupa zviyero zvakananga zvekuyerera kwehuwandu, kutsungirira mamiriro ekushanda akanyanya, uye kubatana nedhijitari yekudzora masisitimu kunoita kuti vave chikamu chakakosha chekushanda kwemazuva ano kwemafuta. Nekuona kuti kuyerwa kwemvura kwakanyatsojeka, mita dzemagetsi dzinoyerera zvakanyanya dzinobatsira makambani emafuta kuwedzera kuchengetedzeka, kuvandudza kushanda zvakanaka, kuchengetedza kutevedzera mitemo, uye kuchengetedza purofiti. Sezvo indasitiri yemafuta ichiramba ichichinja kuenda kudhijitari yakakura uye kugara kwenguva refu, mita dzemagetsi dzinoyerera zvakanyanya dzicharamba dziri pamberi petekinoroji yekuyera, zvichiita kuti mashandiro akachengeteka, anoshanda zvakanaka, uye anogara kwenguva refu. Kune vanoshanda nemafuta, kuisa mari mumamita emagetsi emhando yepamusoro hakusi kungosarudza kwehunyanzvi chete - ikudyara kwakakosha mukubudirira kwenguva refu uye kusimba kwemabasa avo.
Nguva yekutumira: Zvita-26-2025