Ukusetshenziswa kwe-valve positioner ehlakaniphile emsebenzini wobunjiniyela Ukusebenzisa isibonisi se-valve kagesi esihlakaniphile ekusebenzeni

Ukusetshenziswa kwe-valve yokubeka indawo ehlakaniphile emsebenzini wobunjiniyela Ukusetshenziswa kwe-valve positioner kagesi ehlakaniphile ekusebenzeni Abstract: Control in the control valve, control valve in the positioner valve. Ukukhethwa kwesimo se-valve kuzothinta ngokuqondile ukusebenza okuphelele kanye nekhwalithi ye-valve elawulayo kanye nesistimu yokulawula. Khetha i-valve positioner ehlakaniphile, uthuthukise ukusebenza okuphelele kwe-valve elawulayo, ukuze uzuze ukuthuthukiswa okuphelele kokusebenza kokulawula. Amagama angukhiye: ubunjiniyela be-valve ehlakaniphile Ukuxilongwa kwephutha kwe-LCD Kumklamo wobunjiniyela be-petrochemical kanye nokuzijwayeza kobunjiniyela, sizokhetha amasistimu ahlukahlukene kanye nezinhlobo ezengeziwe zokutholwa nokulawula amathuluzi. Kungani kunjalo? Ngoba sifuna ukufeza ukulawulwa kwenqubo, ukufeza umphumela wethu wokulawula odingekayo. Ukugcwaliseka kwesistimu yokulawula kuhlanganisa izingxenye ezintathu: ukutholwa, isilawuli kanye neyunithi yokulawula. Phakathi kwabo, isihluthulelo sokusetshenziswa kweyunithi yokulawula yi-valve yokulawula. I-valve positioner ingenye yezesekeli ezibaluleke kakhulu ze-valve, kungashiwo ukuthi i-valve positioner ingubuchopho nomphefumulo we-valve. Ngomkhuba womklamo wobunjiniyela kanye namazinga omhlaba, sinomuzwa wokuthi isihleli se-valve esivamile siba nzima nakakhulu ukuhlangabezana nezidingo zomklamo nokusebenza konjiniyela. Ikakhulukazi ezinhlelweni zokulawula ezithuthukisiwe kanye nezinhlelo zokulawula ukwenza ngcono zivela ngokungapheli, ukuklama okuhlakaniphile kuye kwaba imfuneko evamile. Kusukela ekugcwalisekeni kokusebenza okuphelele kanye nezinzuzo zezomnotho zesistimu yokulawula inkulu kunephoyinti lesisekelo, siya ngokuya sikhetha isihleli se-valve esihlakaniphile. Njengomklami wobunjiniyela, umbhali usebenzise i-valve positioner ekhiqizwe abakhiqizi abakhulu bezinsimbi ekhaya naphesheya. Kuhlanganiswe nolwazi lwabo ekuklanyweni kobunjiniyela kanye nenkonzo, i-Siemens ehlakaniphile yokubeka i-valve njengeyinhloko, icabangela abanye abakhiqizi, ikhuluma ngokusetshenziswa kwesimo se-valve esihlakaniphile emisebenzini yobunjiniyela. Izinzuzo ze-valve positioner ehlakaniphile 1) ithuthukisa ukusebenza kwe-valve elawulayo kanye nohlelo lokulawula Ukunemba kokulawula kwesimo se-valve esihlakaniphile kuphezulu kakhulu, okungakwazi ukubona ukulawula okunembile kwe-valve elawulayo, ukuze kuthuthukiswe izinga lokulawula uhlelo. Ngaphezu kwalokho, ama-valve positors ahlakaniphile akwenza kube lula ukusetha ijika lesici se-valve, njengezici ezilinganayo zamaphesenti, uchungechunge lwe-Siemens PS2 lunikeza 1:25,1:33,1:50 izici, ABB TZ>2) yonga igesi, amandla nezindleko. Sidinga ngokuqhubekayo ngokuvumelana namazwe ngamazwe, kodwa emhlabeni *** izindleko zenkampani enkulu ye-petrochemical zilawulwa kahle kakhulu futhi izwe lethu emva kweminyaka eminingi yomzamo kodwa lisenegebe elikhulu kakhulu nezinga elithuthukisiwe lomhlaba? Ngokombono omncane, asizange sibale ama-akhawunti wezomnotho lapho senza iphrojekthi. Thatha umoya wensimbi njengesibonelo, ukukhiqizwa komoya wensimbi eqondile ukusetshenziswa kwamandla okuphansi kungu-1.6MJ, idigri eyodwa kagesi ngu-3.6MJ, ugesi wezimboni ngokuvamile ungu-1 yuan/degree, ungacabangi ukususwa kwamanzi, ukususwa kukawoyela, uthuli. ukususwa, ukutshalwa kwezimali kwemishini kanye nezindleko zeholo labasebenzi bezinsimbi, isilinganiso sokukhiqizwa komoya wensimbi emile singu-0.44 yuan. Indawo yasekhaya kanye nabakhiqizi abathile bezindawo abahlakaniphile, ngenxa yezizathu zobuchwepheshe, ukusetshenziswa kwegesi ngehora kukhulu kakhulu, ngokuvamile, ukusetshenziswa kwegesi okuzinzile kwale mikhiqizo ngamalitha angu-350 ngehora. Yonga igesi ku-Siemens PS2(ukusetshenziswa kwegesi okuzinzile okungu-36 l/h) kanye ne-ABB TZ>3), gcina umfutho wenethiwekhi yomphakathi uzinzile Kumabhizinisi amakhulu e-petrochemical, ngenxa yamaphoyinti amaningi egesi, ukusetshenziswa kwegesi okukhulu, kuze kube sekupheleni idivayisi noma kude ne-air compressor station, i-instrument wind pressure iphansi kakhulu, ngezinye izikhathi ayikwazi ngisho nokukhuthaza umsebenzi ojwayelekile we-valve elawulayo, ayikwazi ukuhlangabezana nokukhiqizwa kokuphepha okujwayelekile kwedivayisi. Uma i-valve positioner ehlakaniphile esebenzisa igesi ephansi yamukelwa, ukusetshenziswa kwegesi okuphelele kuzoncishiswa ngenxa yokusetshenziswa okuncane kwegesi, ukuze kugcinwe ukuzinza kwensiza yomoya wokucindezela kwenethiwekhi yomphakathi nokuqinisekisa ukukhiqizwa okuphephile nokuthembekile kwedivayisi. 4) Inqubo yokuqalisa ilula Kwabaningi abasebenzisa ama-valve ahlakaniphile, inqubo yokuqalisa ilula kakhulu. Endabeni ye-Siemens PS2, inqubo yokuqalisa ingaqedwa ngokuzenzakalelayo ngokucindezela izinkinobho ezine nokubeka imingcele embalwa elula. Okungcono kakhulu ukuthi amapharamitha asethiwe alayishwe kukhompuyutha, angakopishelwa esimweni esifanayo sendawo ngokulanda inqwaba, ** * ukonga abasebenzi nesikhathi, ikakhulukazi ekuqaleni noma ekulungisweni kwedivayisi entsha. 5) Imodi yokuxhumana ehlakaniphile Isici esisobala kakhulu se-valve positioner ehlakaniphile ukuxhumana okuhlakaniphile. Embonini yethu yezinqubo, esetshenziswa kakhulu ukuxhumana kwe-HART, noma i-PA fieldbus, noma i-FF fieldbus. Kodwa akuwona wonke ama-valve positioners ahlakaniphile asekela izindlela zokuxhumana ezingenhla. I-Siemens PS2 i-valve positioner ehlakaniphile, esetshenziswa kabanzi emabhizinisini e-petrochemical, ayisekeli kuphela iphrothokholi yokuxhumana engenhla, kodwa futhi ingenza ukuxhumana kwe-AMS. Kuhlelo lokusebenza lobunjiniyela langempela, uma ukuxhumana kwe-HART (** okuvame ukusetshenziswa, ezinye izindlela zokuxhumana zingaba), ngokusebenzisa isoftware ehambisanayo nehardware, ungagcina yonke imininingwane yepharamitha ye-factory intelligent valve positioner kukhompyutha, okuyi- itheminali ephathwa ngesandla evamile ayikwazi ukufeza. Uma kudingekile ukunakekela noma ukufaka esikhundleni se-valve positioner ehlakaniphile, imingcele yensimbi ingalandwa kalula kusuka kusizinda solwazi futhi ilandelwe ngokushesha endaweni yokumisa i-valve, okusindisa kakhulu isikhathi sabasebenzi kanye nezindleko. Ngaphezu kwalokho, akusenzima ukulondoloza inombolo enkulu yedatha. 6) Okokufaka kanambambili ** vala i-valve yokuvala Isihleli se-valve esihlakaniphile, iningi lazo linomsebenzi wokuzivikela ozivikelayo ozikhiyayo. I-ABB VALVE LOCATOR IYAKWAZI UKUZIVALA ESIKHATHINI SOKUKHANYA KWAMANDLA, FUTHI I-Siemens PS2 INGABE INGAZIZIVALA NOMA IYAIVALE FUTHI IVALIWE UMA ISIGNALI IYAKHISHWA. Ngokungeziwe kule misebenzi, lezi zindawo zithola okokufaka okuvela kumasiginali wokuxhuma wangaphandle. Nakuba lokhu kusabela kwe-chain kungekho ku-oda lama-millisecond, ezimbonini eziningi zezinqubo, amaketanga esibili anele. Isibonelo, iketango le-valve yamafutha esithandweni somlilo wokushisa. Ngesikhathi esifanayo, izinga lokuphepha lezidingo eziphezulu zokuxhunywa kwezinga le-millisecond, ezidingweni zokuklama okufanele zibekwe ngokuhlukana, ezingavunyelwe ukuhlanganiswa ne-loop yokulawula, ngakho-ke imfuneko yokuxhumanisa kwe-valve positioner ehlakaniphile ukuze kufinyelelwe i-millisecond. izinga alikona ukubaluleka okungokoqobo. I-7) Ukusetha okulula nokusheshayo kokulungiswa kwe-division Ngokwezidingo zangempela, umklamo wobunjiniyela udinga ukusebenzisa isignali yokufaka ukuze uzuze ukulawula ama-valve alawulayo amabili noma ngaphezulu, okudinga indawo yokubeka i-valve kuphela ebangeni elithile lempendulo yesignali yokufaka. Ukuthatha i-Siemens PS2 njengesibonelo, kulula ukusetha indawo yokuqala kanye nephuzu lokugcina lokulungiswa kwenqubo ngesofthiwe noma imanuwali. I-8) Umsebenzi ocebile wokuxilongwa kwephutha Umsebenzi wokuxilongwa kwephutha kuwumsebenzi obaluleke kakhulu we-valve positioner ehlakaniphile. Emsebenzini wangempela wokwakha noma wokuthuma, sizohlangabezana nezinkinga ezihlukahlukene. Indlela yokwahlulela nokuxazulula lezi zinkinga ngendlela efanele kubaluleke kakhulu ekukhiqizeni okuvamile nokuphephile kwedivayisi. Kundawo ehlakaniphile, ukuhlonzwa kokuvuza kwamavalvu, ukupakishwa kwamavalvu, ukuguga kwamavalvu, njll., kuwumsebenzi ohlinzekwa abakhiqizi abaningi bendawo abahlakaniphe kakhulu. Kodwa kukhona futhi abanye abakhiqizi abahlinzeka ngemisebenzi emincane noma abayikho nhlobo, ngakho-ke qiniseka ukuthi ufunda isampula futhi uthintane nomkhiqizi lapho ukhetha uhlobo. Ukukhetha indawo ye-valve ehlakaniphile Emklamo wobunjiniyela, kufanele sikhethe ngokucophelela isihleli se-valve esihlakaniphile, ikakhulukazi sinaka la maphuzu alandelayo: 1) Kudingeka ukufeza izidingo zezimo zokusebenza endaweni kanye nokuqaphela ubuhlakani Sikhetha i-valve ehlakaniphile. i-positioner, iwukuthola umsebenzi wayo ohlakaniphile futhi ithuthukise ukusebenza kokulawula kukonke. Ngakho-ke, ngaphansi kwesimo sokwanelisa izimo zokusebenza zensimu, ubuhlakani buyinkomba ebalulekile kithi. Ubuhlakani buhlanganisa umsebenzi wabo wokuxhumana, umsebenzi wokuxilonga amaphutha ku-inthanethi noma ungaxhunyiwe ku-inthanethi, njll. 2) Ukusebenza endaweni kuyadingeka ukuze kube lula Kweminye imikhiqizo ehlakaniphile yokubeka ama-valve, ngenxa yokuthi ukulungiselelwa kuyinkimbinkimbi kakhulu, umphumela womkhiqizo ekusebenziseni kwangempela abathintekayo. Ngakho-ke, sibeka kuqala imikhiqizo okulula ukuyisebenzisa. 3) Ukusebenza kwezindleko eziphezulu, ukusetshenziswa kwamandla nokonga izindleko Ngaphezu kokutshalwa kwezimali kokuqala kwethuluzi, siphinde sicabangele izindleko zayo zokusebenza. Kusukela esikhathini seminyaka engu-3~5, iluphi uhlobo lokusebenza oluphelele lomkhiqizo oluphezulu, sikhetha ukuthi yiluphi uhlobo lomkhiqizo. 4) Dinga ukuboniswa kwesayithi Kweminye imikhiqizo ehlakaniphile ye-valve positioner, ngenxa yokuthi asikho isibonisi sekristalu esiwuketshezi esisendaweni, ngakho-ke ukulungiswa kwendawo kufanele kulungiswe ngu-opharetha wesandla. Lokhu kunezela ezindlekweni. Ngaphezu kwalokho, ekubonisweni kwe-LCD liquid crystal, kufanele kuqashelwe umphumela wayo wokubonisa ezingeni lokushisa eliphansi kakhulu le-ambient. 5) Kudingeka ukuqinisekisa ukusebenza okuvamile kokufakwa kwerimothi ngaphansi kwezimo ezithile Njengoba amabhizinisi amakhulu kakhulu e-petrochemical manje esesebenzisa igumbi lokulawula elimaphakathi elihlanganisiwe, ibanga ukusuka egumbini lokulawula ukuya endaweni yokubeka i-valve ehlakaniphile esendaweni lingase libe kude kakhulu. Inkinga yokwehla kwamandla kagesi wekhebula kufanele icatshangelwe, ngaphandle kwalokho i-valve positioner ehlakaniphile ayikwazi ukusebenza ngokujwayelekile. I-valve positioner ezintathu ezihlakaniphile ekusetshenzisweni komkhuba wobunjiniyela isibonelo Enqubweni yokwakha ubunjiniyela nokusebenza kwedivayisi, ngenxa yokuklama, ukwakhiwa nokugcinwa kwezizathu ezihlukahlukene, umlawuli uzokhiqiza ukwehluleka okuhlukahlukene. Kwezinye izinkinga, singazixazulula ngesihleli se-valve esihlakaniphile.