Ukusetyenziswa kwesibekeli-ndawo sevalve ekrelekrele kumsebenzi wobunjineli Ukusetyenziswa kwevalve yendawo yombane ekrelekrele ekusebenzeni

Ukusetyenziswa kwesibekeli-valve esikrelekrele kumsebenzi wobunjineli Ukusetyenziswa kwesibonisi-ndawo sevalvu yombane ekrelekrele ekusebenzeni. Ukukhethwa kwendawo yokubeka ivalve kuya kuchaphazela ngokuthe ngqo ukusebenza ngokubanzi kunye nomgangatho wokulawula ivalve kunye nenkqubo yokulawula. Khetha ivalve yendawo ekrelekrele, uphucule ukusebenza ngokubanzi kwevalve elawulayo, ukufezekisa uphuculo olupheleleyo lomsebenzi wolawulo. Amagama angundoqo: ubunjineli bevalve ekrelekrele yokumisela i-LCD ukuxilongwa kwempazamo Kuyilo lobunjineli bepetrokhemikhali kunye nokuziqhelanisa nobunjineli, siya kukhetha iintlobo ngeentlobo zeenkqubo kunye neentlobo ezininzi zokubona nokulawula izixhobo. Kutheni kunjalo? Ngenxa yokuba sifuna ukufezekisa ulawulo lwenkqubo, ukufezekisa umphumo wethu ofunekayo wokulawula. Ukuzaliseka kwenkqubo yokulawula kubandakanya iinxalenye ezintathu: ukufumanisa, umlawuli kunye neyunithi yokulawula. Phakathi kwabo, isitshixo sokusetyenziswa kweyunithi yokulawula i-valve yokulawula. I-valve positioner yenye yezona zixhobo zibalulekileyo zevalve, kunokutshiwo ukuba i-valve positioner yingqondo kunye nomphefumlo wevalve. Ngoqheliselo loyilo lobunjineli kunye nemigangatho yamazwe ngamazwe, sivakalelwa kukuba i-valve positioner eqhelekileyo inzima ngakumbi ukuhlangabezana neemfuno zoyilo lobunjineli kunye nokusebenza. Ngokukodwa kwiinkqubo zolawulo oluphezulu kunye nezicwangciso zokulawula ukulungelelaniswa zivela ngokungapheliyo, uyilo oluhlakaniphile lube yimfuneko ngokubanzi. Ukusuka ekuqondeni ukusebenza ngokubanzi kunye neenzuzo zezoqoqosho zenkqubo yolawulo inkulu kunomgangatho wesiseko, siya sikhetha ngakumbi ivalve positioner ekrelekrele. Njengomyili wezobunjineli, umbhali usebenzise ivalve yokubeka indawo ekrelekrele eveliswe ngabavelisi bezixhobo eziphambili ekhaya naphesheya. Idityaniswe namava abo kuyilo lobunjineli kunye nenkonzo, i-Siemens ekrelekrele ivalve positioner njengeyona iphambili, ithathela ingqalelo abanye abavelisi, ithetha ngokusetyenziswa kwe-valve positioner ekrelekrele kumsebenzi wobunjineli. Izibonelelo zevalve enengqondo 1) iphucula ukusebenza kwevalve elawulayo kunye nenkqubo yolawulo Ukuchaneka kolawulo lwendawo yokubeka ivalve ekrelekrele kuphezulu kakhulu, enokuqonda ulawulo oluchanekileyo lwevalve elawulayo, ukuze kuphuculwe inqanaba lolawulo inkqubo. Ukongeza, iiposi zevalve ezikrelekrele zenza kube lula ukuseta ijika leempawu zevalve, njengeempawu zepesenti ezilinganayo, uthotho lweSiemens PS2 lubonelela 1:25,1:33,1:50 iimpawu, ABB TZ>2) gcina igesi, amandla kunye neendleko. Sifuna ngokuqhubekayo ngokuhambelana nezizwe ngezizwe, kodwa kwihlabathi *** iindleko zenkampani enkulu yepetrochemical zilawulwa kakuhle kwaye ilizwe lethu emva kweminyaka emininzi yokuzama kodwa lisenomsantsa omkhulu kakhulu kunye nenqanaba eliphezulu lehlabathi? Ukususela kumbono omncinci, asizange sibale ii-akhawunti zezoqoqosho xa sisenza iprojekthi. Thatha isixhobo somoya njengomzekelo, ukuveliswa kwesixhobo somoya esithe nkqo ukusetyenziswa kwamandla amancinci yi-1.6MJ, enye idigri yombane yi-3.6MJ, umbane wemizi-mveliso uqhelekile yi-yuan eyi-1 / isidanga, ungajongi ukususwa kwamanzi, ukususwa kweoli, uthuli. ukususwa, utyalo-mali izixhobo kunye neendleko abasebenzi isixhobo umvuzo, imveliso avareji isixhobo umoya nkqo yi 0.44 yuan. Indawo yasekhaya kunye nabavelisi bendawo abakrelekrele, ngenxa yezizathu zobugcisa, ukusetyenziswa kwerhasi ngeyure kukhulu kakhulu, ngokuqhelekileyo, ukusetyenziswa kwerhasi okuzinzileyo kwezi mveliso kwiilitha ezingama-350 ngeyure. Gcina igesi ye-Siemens PS2 (ukusetyenziswa kwegesi ezinzileyo ye-36 l / h) kunye ne-ABB TZ> 3), gcina uxinzelelo lwenethiwekhi yoluntu luzinzile Kumashishini amakhulu epetrochemical, ngenxa yeendawo ezininzi zegesi, ukusetyenziswa kwegesi enkulu, ukuya ekupheleni isixhobo okanye kude kude kwisikhululo isicinezeli umoya, isixhobo umoya uxinzelelo liphantsi kakhulu, ngamanye amaxesha akakwazi nokukhuthaza umsebenzi oqhelekileyo wevalve elawulayo, ayikwazi ukuhlangabezana imveliso eqhelekileyo yokhuseleko isixhobo. Ukuba isithuba sevalve ekrelekrele esinokusetyenziswa kwerhasi ephantsi samkelwe, ukusetyenziswa kwerhasi iyonke kuya kuncitshiswa ngenxa yokusetyenziswa kwerhasi encinci, ukuze kugcinwe uzinzo lwesixhobo somoya soxinzelelo lwenethiwekhi yoluntu kunye nokuqinisekisa imveliso ekhuselekileyo nethembekileyo yesixhobo. 4) Inkqubo yokuqaliswa ilula kakhulu Kuninzi lweendawo ezihlakaniphile zevalve, inkqubo yokuqalisa ilula kakhulu. Kwimeko ye-Siemens PS2, inkqubo yokuqalisa ingagqitywa ngokuzenzekelayo ngokucinezela amaqhosha amane kunye nokubeka iiparitha ezimbalwa ezilula. Ukulungeleka ngakumbi kukuba iiparitha ezimiselweyo ezifakwe kwikhompyutheni, zinokukhutshelwa kwimeko efanayo ye-locator ngokukhuphela ibhetshi, ** * ukugcina abasebenzi kunye nexesha, ngakumbi kwisixhobo esitsha sokuqala okanye ukuguqulwa. 5) Imo yonxibelelwano olukrelekrele Olona phawu lucacileyo lwesibekeli-valve esikrelekrele lunxibelelwano olukrelekrele. Kwishishini lethu lenkqubo, eyona isetyenziswa ngokuqhelekileyo lunxibelelwano lwe-HART, okanye i-PA fieldbus, okanye i-FF fieldbus. Kodwa ayizizo zonke iivalve zokubeka indawo ezikrelekrele ezixhasa ezi ndlela zonxibelelwano zingentla. I-Siemens PS2 i-valve positioner ehlakaniphile, esetyenziswa ngokubanzi kumashishini e-petrochemical, ayixhasi kuphela le protocol yonxibelelwano engentla, kodwa inokuqhuba unxibelelwano lwe-AMS. Kweyona sicelo sobunjineli, ukuba unxibelelwano lwe-HART (** oluqhele ukusetyenziswa, ezinye iindlela zonxibelelwano zinokubakho), ngesoftware ehambelanayo kunye nehardware, ungagcina lonke ulwazi lweparameter yefektri ekrelekrele yokubeka ivalve kwikhompyuter, eyiyo i-terminal ephathwayo eqhelekileyo ayinakufezekisa. Xa kuyimfuneko ukugcina okanye ukubuyisela indawo ye-valve ehlakaniphile, iiparitha zesixhobo zinokufunyanwa ngokulula kwisiseko solwazi kwaye zikhutshelwe ngokukhawuleza kwindawo yokubeka ivalve, egcina kakhulu ixesha lomsebenzi kunye neendleko. Ukongeza, akusekho nzima ukugcina inani elikhulu ledatha. 6) Igalelo leBhinary ** vala ivalve yokutshixa Kwindawo yokubeka ivalve ekrelekrele, uninzi lwazo lunomsebenzi wokuzikhusela wokuzikhusela. I-ABB valve LOCATOR INOKUZITSHA KWISEKO SOKUMAKA KWAMANDLA, KWAYE I-Siemens PS2 IYAKWAZI UKUZITSHA OKANYE UKUTSHINTSHA IVALIWE XA UPHAWU LUKHANGISIWE. Ukongeza kule misebenzi, ezi ndawo zikwafumana igalelo kwiimpawu zonxibelelwano zangaphandle. Ngelixa ezi mpendulo zekhonkco zingekho kwi-odolo ye-milliseconds, kumashishini amaninzi enkqubo, amakhonkco esibini anele. Umzekelo, ikhonkco levalvu yeoyile yesithando somlilo. Kwangaxeshanye, inqanaba lokhuseleko leemfuno eziphezulu zonxibelelwano lwenqanaba le-millisecond, kwiimfuno zokuyila ukuba zibekwe ngokwahlukileyo, ezingavumelekanga ukuba zidityaniswe kunye ne-loop yokulawula, ngoko ke imfuno ye-valve ehlakaniphile yokudibanisa i-valve positioner interlocking ukufikelela kwi-millisecond. inqanaba alinantsingiselo ebonakalayo. I-7) Ukulungelelaniswa kunye nokucwangciswa ngokukhawuleza kohlengahlengiso lwezahlulo Ngokweemfuno zangempela, ukuyila kobunjineli kufuneka kusebenzise isignali yokufaka ukuphumeza ukulawulwa kwee-valve ezimbini okanye ngaphezulu ezilawulayo, ezifuna indawo yokubeka i-valve kuphela kuluhlu oluthile lwempendulo yesignali yegalelo. Ukuthatha i-Siemens PS2 njengomzekelo, kulungele ukuseta indawo yokuqala kunye nesiphelo sohlengahlengiso lwenkqubo ngesoftware okanye incwadi. 8) Umsebenzi otyebileyo wokuxilongwa kwempazamo Umsebenzi wokuxilongwa kwempazamo ngumsebenzi obaluleke kakhulu we-valve positioner ekrelekrele. Kwinkqubo yokwakhiwa kwangempela okanye yokumisela, siya kuhlangabezana neengxaki ezahlukeneyo. Indlela yokugweba nokusombulula ezi ngxaki ngokuchanekileyo kubaluleke kakhulu kwimveliso eqhelekileyo kunye nekhuselekileyo yesixhobo. Kwindawo ekrelekrele, ukuxilongwa kokuvuza kwevalvu, ukupakishwa kwevalvu, ukunxitywa kwevalvu, njl.njl., ngumsebenzi obonelelwa ngabenzi bendawo abakrelekrele. Kodwa kukho nabanye abavelisi ababonelela ngemisebenzi encinci okanye akukho nto, ke qiniseka ukuba ufunda isampuli kwaye udibane nomenzi xa ukhetha uhlobo. Ivalve ezimbini ezikrelekrele zokukhetha indawo kuyilo lobunjineli, kufuneka sikhethe ngononophelo ivalve yendawo efanelekileyo ekrelekrele, ngokukodwa sithathele ingqalelo la manqaku alandelayo: 1) Kuyafuneka ukuhlangabezana neemfuno zeemeko zokusebenza kwisiza kwaye siqonde ubukrelekrele Sikhetha ivalve ekrelekrele. indawo yokubeka, kukufumana umsebenzi wayo okrelekrele kunye nokuphucula ukusebenza kolawulo ngokubanzi. Ngoko ke, phantsi kwemeko yokwanelisa iimeko zokusebenza kwintsimi, ubukrelekrele buyisalathisi esibalulekileyo kuthi. Ubukrelekrele bubandakanya umsebenzi walo wonxibelelwano, umsebenzi wokuxilonga impazamo kwi-intanethi okanye ngaphandle kwe-intanethi, njl. njl. abachaphazelekayo. Ngoko ke, sibeka kuqala iimveliso ekulula ukusebenza. I-3) Ukusebenza kweendleko eziphezulu, ukusetyenziswa kwamandla kunye nokugcinwa kweendleko Ukongeza kutyalo-mali lokuqala lwesixhobo, siqwalasela iindleko zayo zokusebenza. Ukususela kwixesha le-3 ~ 5 iminyaka, luhlobo luni lwemveliso ebanzi yokusebenza okuphezulu, sikhetha ukuba yeyiphi imveliso. 4) Funa umboniso we-site Ukwenzela ezinye iimveliso zevalve ezikrelekrele, kuba akukho mboniso wekristale elulwelo kwindawo, ngoko ke uhlengahlengiso kwintsimi kufuneka luhlengahlengiswe ngumqhubi wesandla. Oku kongeza kwiindleko. Ukongeza, kumboniso we-LCD wekristale yolwelo, ingqwalasela kufuneka ihlawulwe kwisiphumo sayo sokubonisa kubushushu obuphantsi kakhulu be-ambient. 5) Kuyafuneka ukuba kuqinisekiswe ukusebenza okuqhelekileyo kofakelo olukude phantsi kweemeko ezithile Njengoko amashishini amaninzi epetrochemical ngoku asebenzisa igumbi lolawulo elidityanisiweyo, umgama ukusuka kwigumbi lokulawula ukuya kwindawo ye-valve ekrelekrele ekwisiza unokuba kude kakhulu. Ingxaki ye-cable voltage drop kufuneka ithathelwe ingqalelo, ngaphandle koko i-valve positioner ehlakaniphile ayikwazi ukusebenza ngokuqhelekileyo. Iivalve ezintathu ezikrelekrele zokubeka indawo kumzekelo wesicelo soqheliselo lobunjineli Kwinkqubo yolwakhiwo lobunjineli kunye nokusebenza kwesixhobo, ngenxa yoyilo, ukwakhiwa kunye nokugcinwa kwezizathu ezahlukeneyo, umlawuli uya kuvelisa ukusilela okwahlukeneyo. Kwezinye iingxaki, sinokuzicombulula ngokubeka ivalvu ekrelekrele.