Kugwiritsa ntchito intelligent valve positioner mu engineering practice Kugwiritsa ntchito mwanzeru valavu yamagetsi pakuchita

Kugwiritsa ntchito kwanzeru valavu pochita uinjiniya Kugwiritsa ntchito mwanzeru valavu yamagetsi pakuchita Abstract: Kuwongolera mu valavu yowongolera, valavu yowongolera mu choyika valavu. Kusankhidwa kwa valve positioner kudzakhudza mwachindunji ntchito yonse ndi khalidwe la valve yoyendetsera ndi dongosolo lolamulira. Sankhani wanzeru valavu positioner, kusintha ntchito yonse ya valavu yowongolera, kukwaniritsa kuwongolera zonse kulamulira ntchito. Mawu ofunikira: uinjiniya wanzeru wa valve positioner LCD kuwunika zolakwika Mu kapangidwe ka uinjiniya wa petrochemical ndi machitidwe aumisiri, tidzasankha machitidwe osiyanasiyana ndi mitundu yambiri yodziwira ndi kuwongolera zida. Ndichoncho chifukwa chiyani? Chifukwa tikufuna kukwaniritsa ulamuliro wa ndondomekoyi, kuti tikwaniritse zofunikira zathu zolamulira. Kukwaniritsidwa kwa kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe kake. Pakati pawo, chinsinsi chogwiritsira ntchito unit control ndi valve control. Choyimira valavu ndi chimodzi mwazinthu zofunika kwambiri za valavu, tinganene kuti choyika valavu ndi ubongo ndi moyo wa valve. Ndi machitidwe a uinjiniya ndi miyezo yapadziko lonse lapansi, tikuwona kuti choyika ma valve wamba chimakhala chovuta kwambiri kukwaniritsa zofunikira zaukadaulo ndi machitidwe. Makamaka m'machitidwe apamwamba owongolera ndi machitidwe owongolera bwino amawonekera mosalekeza, kapangidwe kanzeru kakhala chofunikira kwambiri. Kuchokera pakuzindikira kwa ntchito yonse komanso phindu lazachuma la dongosolo lolamulira ndi lalikulu kuposa maziko, timasankha mozama ma valve anzeru. Monga wopanga uinjiniya, wolembayo wagwiritsa ntchito chida chanzeru chopangidwa ndi opanga zida zazikulu kunyumba ndi kunja. Kuphatikizidwa ndi zomwe adakumana nazo pakupanga uinjiniya ndi ntchito, Siemens wanzeru valavu positioner monga chachikulu, poganizira opanga ena, kulankhula za ntchito wanzeru vavu positioner muzochita uinjiniya. Ubwino wa valavu yanzeru 1) imathandizira magwiridwe antchito a valavu yoyang'anira ndi dongosolo lowongolera Kuwongolera kuwongolera kwa valavu yanzeru ndikwapamwamba kwambiri, komwe kumatha kuzindikira kuwongolera kolondola kwa valavu yowongolera, kuti apititse patsogolo kuwongolera kwa valavu. dongosolo. Kuphatikiza apo, ma valavu anzeru amapangitsa kukhala kosavuta kuyika mawonekedwe a valve, monga mawonekedwe ofanana, Nokia PS2 mndandanda umapereka 1:25,1:33,1:50 mawonekedwe, ABB TZ> 2) kupulumutsa gasi, mphamvu ndi mtengo. Timafunikira mosalekeza mogwirizana ndi mayiko, koma padziko lapansi *** mtengo wa kampani yayikulu ya petrochemical umayendetsedwa bwino komanso dziko lathu patatha zaka zambiri zoyeserera koma lili ndi kusiyana kwakukulu ndi dziko lotsogola? Kuchokera pamalingaliro ang'onoang'ono, sitinawerengere ndalama zachuma pamene tinachita ntchitoyi. Tengani mphepo chida monga chitsanzo, kupanga ofukula chida mphepo kumwa osachepera mphamvu ndi 1.6MJ, digiri imodzi ya magetsi ndi 3.6MJ, mafakitale magetsi zambiri 1 yuan / digiri, osaganizira kuchotsa madzi, kuchotsa mafuta, fumbi. kuchotsa, zida ndalama ndi ndalama ogwira ntchito zida malipiro, pafupifupi kupanga ofukula chida mphepo ndi 0,44 yuan. Oyang'anira pakhomo komanso opanga malo anzeru, chifukwa chazifukwa zaukadaulo, kugwiritsa ntchito gasi pa ola ndikwambiri, kunena zambiri, kugwiritsa ntchito gasi mosadukizadukiza pamalita 350 / ola. Sungani mpweya wa Siemens PS2(kugwiritsira ntchito gasi wokhazikika 36 l/h) ndi ABB TZ> 3), sungani kupanikizika kwapaintaneti pagulu Kwa mabizinesi akuluakulu amafuta amafuta, chifukwa cha malo ambiri amafuta, kugwiritsa ntchito gasi wamkulu, mpaka kumapeto kwa chipangizo kapena kutali ndi mpweya kompresa siteshoni, chida mphepo kuthamanga ndi otsika kwambiri, nthawi zina sangathe ngakhale kulimbikitsa ntchito yachibadwa ya valavu yoyang'anira, sangathe kukumana yachibadwa chitetezo kupanga chipangizo. Ngati wanzeru valavu positioner ndi otsika gasi kumwa watengera, okwana gasi kumwa adzakhala yafupika chifukwa chochepa mpweya kumwa, kuti apitirize bata la chida mphepo kukakamiza anthu maukonde ndi kuonetsetsa otetezeka ndi odalirika kupanga chipangizo. 4) Njira yoyambira ndiyosavuta Kwa oyika ma valve ambiri anzeru, njira yoyambira ndiyosavuta kwambiri. Pankhani ya Siemens PS2, ndondomeko yoyambira imatha kumalizidwa mwa kukanikiza mabatani anayi ndikuyika magawo osavuta. Zosavuta kwambiri ndikuti magawo omwe adakwezedwa pakompyuta, amatha kukopera kumtundu womwewo wa locator potsitsa batch, ** * kupulumutsa antchito ndi nthawi, makamaka pakuyambitsa kapena kukonzanso kwa chipangizo chatsopanocho. 5) Njira yolankhulirana mwanzeru Mbali yodziwikiratu ya valavu yanzeru ndi kulumikizana kwanzeru. Pamakampani athu opanga ma process, omwe amagwiritsidwa ntchito kwambiri ndi HART communication, kapena PA fieldbus, kapena FF fieldbus. Koma si onse oyika ma valve anzeru omwe amathandiza njira zoyankhulirana pamwambapa. Nokia PS2 intelligent valve positioner, yomwe imagwiritsidwa ntchito kwambiri m'mabizinesi a petrochemical, sikuti imangothandizira njira yolumikizirana pamwambapa, komanso imatha kuchita kulumikizana kwa AMS. Mu ntchito yeniyeni ya uinjiniya, ngati kulumikizana kwa HART (** komwe kumagwiritsidwa ntchito nthawi zambiri, njira zina zoyankhulirana zitha kukhala), kudzera pa pulogalamu yofananira ndi zida, mutha kusunga zidziwitso zonse za fakitale yanzeru yamagetsi pakompyuta, yomwe ili wamba wogwirizira m'manja terminal sangathe kukwaniritsa. Pakafunika kusungitsa kapena kusintha malo opangira ma valve anzeru, zida za zida zitha kubwezeredwa mosavuta kuchokera pachidziwitso ndikutsitsidwa mwachangu ku choyika valavu, chomwe chimapulumutsa kwambiri nthawi yantchito ndi mtengo. Komanso, sikulinso zovuta kupulumutsa ambiri deta. 6) Kulowetsa kwa binary ** loko lotchinga valavu Kwa oyika ma valve anzeru, ambiri aiwo ali ndi ntchito yodziteteza yokha. ABB VALVE LOCATOR Ikhoza KUDZIKHALITSA PAMENE MPHAMVU YATHA, NDIPO Nokia PS2 Ingathenso KUDZIKOLA KAPENA KUZITSITSA VUTO PAMENE CHIZINDIKIRO chitha. Kuphatikiza pa ntchito izi, malowa amalandilanso zolowa kuchokera kuzizindikiro zakunja zolumikizirana. Ngakhale machitidwe amaketaniwa sali pa dongosolo la ma milliseconds, kwa mafakitale ambiri opanga ndondomeko, maunyolo achiwiri ndi okwanira. Mwachitsanzo, ng'anjo yowotchera mafuta opangira mafuta. Panthawi imodzimodziyo, mlingo wa chitetezo cha zofunikira kwambiri za kugwirizanitsa kwa msinkhu wa millisecond, muzofunikira zapangidwe kuti zikhazikitsidwe padera, osaloledwa kuikidwa pamodzi ndi loop yolamulira, kotero kufunikira kwa anzeru a valve positioner interlocking kuti afike ku millisecond. mlingo sikutanthauza tanthauzo. 7) Kukonzekera koyenera komanso kofulumira kwa kusintha kwa magawano Malingana ndi zosowa zenizeni, mapangidwe a umisiri ayenera kugwiritsa ntchito chizindikiro cholowera kuti akwaniritse kulamulira kwa ma valve awiri kapena kuposerapo, zomwe zimafuna kuti malo opangira ma valve okhawo azitha kuyankhapo. Kutenga Siemens PS2 mwachitsanzo, ndi yabwino kukhazikitsa poyambira ndi kutha kwa ndondomeko kusintha ndi mapulogalamu kapena Buku. 8) Ntchito yozindikira zolakwika zambiri Ntchito yozindikira zolakwika ndi ntchito yofunikira kwambiri yoyika ma valve anzeru. Pakumanga kwenikweni kapena kutumidwa, tidzakumana ndi zovuta zosiyanasiyana. Momwe mungaweruzire ndi kuthetsa mavutowa molondola ndikofunika kwambiri pakupanga kwadongosolo komanso kotetezeka kwa chipangizocho. Kwa wozindikira wanzeru, kuzindikira kwa kutuluka kwa ma valve, kuyika ma valve, kuvala ma valve, ndi zina zotero, ndi ntchito yoperekedwa ndi opanga malo anzeru kwambiri. Koma palinso opanga ena amapereka ntchito zochepa kapena ayi, choncho onetsetsani kuti mwawerenga chitsanzo ndikufunsana ndi wopanga posankha mtunduwo. Kusankhidwa kwa ma valve awiri anzeru Popanga uinjiniya, tiyenera kusankha mosamala ma valve oyenerera, makamaka samalani mfundo izi: 1) Zimafunika kukwaniritsa zofunikira pa malo ogwirira ntchito ndikuzindikira luntha Timasankha valavu yanzeru. positioner, ndikupeza ntchito yake yanzeru ndikuwongolera magwiridwe antchito onse. Chifukwa chake, pansi pamikhalidwe yokhutiritsa mikhalidwe yogwirira ntchito kumunda, luntha ndilofunikira kwambiri kwa ife. Luntha limaphatikizapo ntchito yake yolumikizirana, ntchito yapaintaneti kapena yapaintaneti, ndi zina zambiri. 2) Kugwira ntchito pamalowo kumafunika kukhala kosavuta Pazinthu zina zanzeru zopangira ma valve, chifukwa kuyika kwake kumakhala kovuta kwambiri, zotsatira za chinthucho pakugwiritsa ntchito kwenikweni ndi. okhudzidwa. Choncho, timaika patsogolo zinthu zomwe zimakhala zosavuta kuzigwiritsira ntchito. 3) Kugwira ntchito kwamtengo wapatali, kugwiritsa ntchito mphamvu ndi kupulumutsa ndalama Kuwonjezera pa ndalama zoyamba za chidacho, timaganiziranso mtengo wake wogwirira ntchito. Kuyambira nthawi ya 3 ~ 5 zaka, ndi mtundu wanji wazinthu zomwe zimagwira ntchito kwambiri, timasankha mtundu wanji wazinthu. 4) Pamafunika kuwonetsera pa malo Pazinthu zina zanzeru zopangira ma valve, chifukwa palibe mawonedwe amadzimadzi amadzimadzi pamalopo, kotero kusintha kwamunda kuyenera kusinthidwa ndi wogwiritsa ntchito pamanja. Izi zimawonjezera mtengo. Kuphatikiza apo, pakuwonetsetsa kwa kristalo wamadzimadzi a LCD, chidwi chiyenera kuperekedwa pakuwonetsa kwake pakutentha kotsika kwambiri. 5) Zimafunika kuti zitsimikizidwe kuti zimagwira ntchito yokhazikika pazifukwa zina Pamene mabizinesi akuluakulu a petrochemical tsopano akugwiritsa ntchito chipinda chogwirizanitsa chapakati, mtunda wochokera ku chipinda chowongolera kupita ku malo opangira valve wanzeru ukhoza kukhala kutali kwambiri. Vuto la kutsika kwamagetsi kwa chingwe liyenera kuganiziridwa, apo ayi woyika ma valve wanzeru sangathe kugwira ntchito moyenera. Mavavu atatu anzeru muzochita zaumisiri chitsanzo popanga uinjiniya ndikuyendetsa zida, chifukwa cha kapangidwe, kamangidwe ndi kukonza pazifukwa zosiyanasiyana, wowongolera atulutsa zolephera zosiyanasiyana. Pazovuta zina, titha kuthana ndi mavavu anzeru.