Ukuthenga i-anti-corrosion valve factor analysis ukuze uqonde izici nezinzuzo ze-valve egqitshwe ngokuqondile

Ukuthenga i-valve anti-corrosion technical factor analysis ukuze uqonde izici nezinzuzo ze-valve engcwatshwe ngokuqondile Ukuhlaziywa kwezici zobuchwepheshe zokuthenga ama-valve e-anti-corrosion Ukuthengwa kwe-valve kuphela ukucaciswa okucacile, izigaba, ingcindezi yokusebenza ukuze uhlangabezane nezidingo zokuthengwa komkhuba, endaweni yezomnotho yemakethe yamanje ayiphelele. Ngenxa yokuthi abakhiqizi be-valve ukuze baqhudelane ngomkhiqizo, ngaphansi komqondo wokuklama ama-valve ahlanganisiwe, ukusungulwa okusha okuhlukile, kwakha izindinganiso zabo zebhizinisi kanye nobuntu bomkhiqizo. Ngakho-ke, kudingekile kakhulu ukubeka phambili izidingo zobuchwepheshe ngokuningiliziwe lapho uthenga ama-valve, futhi uxhumanise nabakhiqizi ukuze uthole ukuvumelana njengesijobelelo senkontileka yokuthengwa kwama-valve. Izidingo ezijwayelekile 1.1 Ukucaciswa kwevalvu nezigaba kuzohlangabezana nezidingo zemibhalo yokuklama amapayipi. 1.2 Imodeli yevalvu izokhonjiswa ngokwezidingo zenombolo kazwelonke. Uma izinga lebhizinisi, kufanele libonise incazelo efanele yemodeli. 1.3 Ukucindezela kokusebenza kwevalvu kudinga ukucindezela kokusebenza kwepayipi. Ngokwesisekelo sokungathinti inani, ingcindezi yokusebenza i-valve engakwazi ukuyithwala kufanele ibe mkhulu kunokucindezela kwangempela kokusebenza kwepayipi; Isimo sokuvala i-valve noma yiluphi uhlangothi kufanele lukwazi ukumelana izikhathi ezingu-1.1 zevelu yengcindezi yokusebenza kwe-valve ngaphandle kokuvuza; Isimo esivulekile se-valve, umzimba we-valve kufanele ukwazi ukumelana kabili nezidingo zokucindezela kwe-valve. 1.4 Izinga lokukhiqiza levalvu kufanele lishiwo ngokwenombolo kazwelonke ejwayelekile. Uma kusetshenziswa izinga lebhizinisi, idokhumenti yebhizinisi kufanele ifakwe kwinkontileka yokuthenga. Izinga elijwayelekile levalvu 2.1 Impahla yomzimba izoba yi-iron edonsa amanzi, futhi inombolo yomkhiqizo kanye nedatha yangempela yokuhlolwa ngokomzimba namakhemikhali yensimbi ekhonjiwe izokhonjiswa. 2.2 Isiqu sesiqu, lwela isiqu sensimbi engagqwali (2CR13), i-valve enkulu yobubanzi kufanele futhi kube isiqu esishumekiwe sensimbi engagqwali. 2.3 Impahla yamantongomane iyithusi eliphonswe nge-aluminium noma ithusi elicijile le-aluminium, futhi ubulukhuni namandla kungaphezu kokwesiqu se-valve. 2.4 Ukuqina namandla e-stem bushing material angeke ibe nkulu kunaleyo yesiqu, futhi angeke yenze ukugqwala kwe-electrochemical nesiqu kanye nomzimba wevalvu ngaphansi kwesimo sokucwiliswa emanzini. 2.5 Impahla yendawo yokuvala: ① Izinhlobo zamavalvu zihlukile, izindlela zokuvala nezidingo zempahla zihlukile; (2) i-valve yesango le-wedge evamile, impahla yendandatho yethusi, indlela yokulungisa, indlela yokugaya kufanele ichazwe; (3) Ivalvu yesango elithambile, ikhemistri engokoqobo kanye nedatha yokuhlola impilo yento yolwelwesi lwenjoloba yepuleti levalvu; ④ Ivalve uvemvane kufanele imakwe ngendawo yokuvala emzimbeni wevalvu kanye nezinto ezivalayo kupuleti lovemvane; Idatha yabo yokuhlola ngokomzimba namakhemikhali, ikakhulukazi izidingo zenhlanzeko yenjoloba, ukumelana nokuguga, ukumelana nokugqoka; Ngokuvamile esetshenziswa irabha ye-butyl kanye nerabha ye-ethylene propylene, njll., enqatshelwe ngokuphelele ukuxuba nerabha egaywe kabusha. 2.6 Ukupakishwa kwe-valve shaft: ① Ngenxa yokuthi i-valve kunethiwekhi yamapayipi ivamise ukuvulwa futhi ivalwe kaningi, ukupakishwa kuyadingeka ukuthi kungasebenzi iminyaka eminingana, ukupakisha akugugi, futhi umphumela wokuvala ugcinwa isikhathi eside; ② Ukupakishwa kwe-valve shaft kufanele futhi kube ngaphansi kokuvuleka nokuvala njalo, umphumela omuhle wokuvala; (3) Ngenxa yalezi zidingo ezingenhla, ukupakishwa kwe-valve shaft ilwela ukungashintshi noma ukungashintshi isikhathi esingaphezu kweminyaka eyishumi; ④ Uma ukupakisha kudinga ukushintshwa, umklamo wevalvu kufanele ucabangele izinyathelo zokushintsha ngaphansi kwesimo sokucindezela kwamanzi. Ibhokisi ledrayivu eliguquguqukayo 3.1 Impahla yomzimba kanye nezidingo ze-anticorrosion zangaphakathi nezangaphandle zihambisana nesimiso somzimba wevalvu. 3.2 Ibhokisi lizoba nezilinganiso zokuvala, futhi ibhokisi lizokwazi ukumelana nokucwiliswa kwekholomu yamanzi engamamitha angu-3 ngemva kokuhlanganiswa. 3.3 Idivayisi yomkhawulo wokuvula nokuvala emzimbeni webhokisi, i-nut yayo yokulungisa kufanele ibe sebhokisini lomzimba noma ngaphandle kwebhokisi, kodwa idinga ** ithuluzi ukuze isebenze. 3.4 Idizayini yesakhiwo sokudlulisa inengqondo. Lapho uvula futhi uvala, i-valve shaft ingaqhutshwa kuphela ukuze ijikeleze, ngaphandle kokuyenza ikhuphuke futhi yehle. Ukulunywa kwezingxenye zokudlulisela kulinganiselwe, futhi isiliphu sokuhlukanisa lapho kuvulwa futhi sivala ngomthwalo asikhiqizwa. 3.5 Ibhokisi lokudlulisa isivinini eliguquguqukayo kanye ne-valve shaft seal akumele kuxhunywe endaweni engavuzi, ngaphandle kwalokho kufanele kuthathwe izinyathelo ezithembekile zokuvimbela ukuvuza. 3.6 Awekho ama-sundries ebhokisini, futhi ingxenye elumayo yegiya kufanele ivikelwe ngamafutha. Indlela yokusebenza ye-valve 4.1 Uma i-valve isebenza, indlela yokuvula nokuvala kufanele ihambisane newashi. 4.2 Ngenxa yokuthi i-valve kunethiwekhi yepayipi ivame ukuvulwa futhi ivaliwe ngesandla, ukujikeleza kokuvula nokuvala akufanele kube kuningi, ngisho ne-valve enkulu yobubanzi kufanele ibe ngaphakathi kwe-200-600. 4.3 Ukuze kube lula ukuvula nokuvala ukusebenza komuntu oyedwa, umzuzu omkhulu wokuvula nowokuvala kufanele ube ngu-240N-m ngaphansi kwesimo sokucindezela kwepayipi. 4.4 Ivalvu yokuvula nokuvala isiphetho sokusebenza kufanele ibe isikwele nethanoni, ibe nosayizi ojwayelekile, futhi ibheke phansi, ukuze abantu bakwazi ukusebenza ngokuqondile besuka phansi. I-valve enesondo ayifanele inethiwekhi yamapayipi angaphansi komhlaba. 4.5 Ipuleti lokubonisa ledigri yevalvu yokuvula neyokuvala: ① umugqa wesikali wokuvula nedigri yokuvala kufanele uphonswe kukhava yebhokisi likagiya noma igobolondo lepuleti lokubonisa ngemva kokushintsha kwendlela, yonke ibheke phansi, futhi umugqa wesikali kufanele ukuxubha nge-phosphor ukukhombisa ukudonsa amehlo; (2) Impahla yenaliti yepuleti yenkomba ingasetshenziswa esimweni sokuphatha kangcono ipuleti yensimbi engagqwali, ngaphandle kwalokho ipuleti lensimbi elipendiwe, ungasebenzisi ukukhiqizwa kwesikhumba se-aluminium; ③ Ibonisa inaliti ye-disc ukubamba iso, igxilwe ngokuqinile, uma ukulungiswa kokuvula nokuvala kunembile, kufanele kukhiywe ngama-rivets. 4.6 Uma i-valve igqitshwe yashona futhi indlela yokusebenza kanye nephaneli yokubukisa kukude nge-1.5m ukusuka phansi, indawo yenduku enwetshiwe kufanele ihlinzekwe futhi imiswe iqine ukuze abantu bayibuke futhi bayisebenzise besuka phansi. Okusho ukuthi, inethiwekhi yepayipi ekusebenzeni kokuvula nokuvala i-valve, hhayi ngaphansi kokusebenza komthombo. Ukuhlolwa kokusebenza kwevalvu 5.1 Uma ukucaciswa kwevalvu kukhiqizwa ngamaqoqo, ukusebenza okulandelayo kufanele kuhlolwe inhlangano egunyazayo: ① umzuzu wokuvula nokuvalwa kwevalvu ngaphansi kwengcindezi yokusebenza; ② ngaphansi kwesimo sokucindezela kwezimboni, ingaqinisekisa izikhathi zokuvula nokuvala okuqhubekayo kwe-valve ivalwe ngokuqinile; (3) Ivaluvu epayipini ngaphansi kwesimo sokutholwa kwe-coefficient ukumelana nokugeleza kwamanzi. 5.2 Ivalvu kufanele ihlolwe ngale ndlela elandelayo ngaphambi kokuphuma efekthri: ① Ivalvu izothwala ukuhlolwa kokucindezela kwangaphakathi okuphindwe kabili kwevelu yengcindezi yokusebenza yevalvu lapho kuvulwa ivalvu; ② Ngaphansi kwesimo esivaliwe se-valve, izinhlangothi zombili zithwala izikhathi ezingu-1.1 inani lengcindezi yokusebenza kwe-valve, akukho ukuvuza; Kodwa metal seal butterfly valve, ukuvuza value akuyona mkhulu kunezidingo ezifanele. Ukuvikela ukugqwala kwangaphakathi nangaphandle kwe-valve 6.1 Ngaphakathi nangaphandle kwe-valve yomzimba (kuhlanganise nebhokisi lokudlulisa isivinini esishintshashintshayo), into yokuqala kufanele idutshulwe ngokuqhunyiswa, ukukhishwa kwesihlabathi nokugqwala, lwela ukufaka i-electrostatic spray powder non-toxic epoxy resin, ugqinsi olungaphezu 0.3mm. Uma kunzima ukufutha i-epoxy resin engeyona enobuthi kuma-valve amakhulu, upende ofanayo ongenabuthi we-epoxy kufanele futhi ubhulashwe futhi ufuthwe. 6.2 Ingaphakathi le-valve yomzimba kanye nazo zonke izingxenye zepuleti le-valve kufanele kunqandwe ukugqwala. Ngakolunye uhlangothi, ngeke igle lapho icwiliswa emanzini, futhi ngeke ikhiqize ukugqwala kwe-electrochemical phakathi kwezinsimbi ezimbili; Izici ezimbili zendawo ebushelelezi ukunciphisa ukumelana kwamanzi. 6.3 Ngezidingo zenhlanzeko ze-anti-corrosion epoxy resin noma upende emzimbeni wamavalvu, umbiko wokuhlolwa wesiphathimandla esihambisanayo uzohlinzekwa. Izakhiwo zamakhemikhali nezomzimba nazo zizohlangabezana nezidingo ezifanele. Ukupakishwa kwevalvu kanye nokuhamba 7.1 Zombili izinhlangothi zevalvu zizovalwa ngamapuleti okuvimbela angasindi. 7.2 Amavalvu okulinganisa aphakathi nendawo namancane kufanele abotshwe ngentambo yotshani futhi athuthwe ngeziqukathi. 7.3 Ama-valve amakhulu obubanzi nawo anohlaka oluqinile lwamapulangwe okupakisha ukugwema ukulimala ngesikhathi sokuthutha. 8. Imiyalelo yefekthri ye-Valve Ama-valve ayimishini, imiyalelo yefekthri kufanele ibonise idatha efanele elandelayo: imininingwane ye-valve; Imodeli; Ingcindezi yokusebenza; Izinga lokukhiqiza; Impahla yomzimba; I-valve stem impahla; Izinto zokuvala; Impahla yokupakisha i-valve shaft; Izinto ze-valve stem sleeve; Izinto ezilwa nokugqwala kwangaphakathi nangaphandle; Isiqondiso sokuqala sokusebenza; Revolutions; Umzuzu wokuvula nokuvala ngaphansi kwengcindezi yokusebenza; Igama lomkhiqizi; Usuku lokulethwa; Inombolo ye-serial yasefekthri; Isisindo; Imbobo, inombolo yembobo, ibanga eliphakathi nendawo elixhuma i-flange; Izilinganiso zokulawula zobude, ububanzi kanye nobude bazo zonke zikhonjiswe ngemidwebo; I-coefficient yokumelana nokugeleza kwe-valve; Izikhathi ezisebenzayo zokuvula nokuvala; Idatha efanelekile yokuhlolwa kwefekthri yama-valve kanye nezindaba ezidinga ukunakwa ekufakweni nasekulungisweni. Thatha ukuthi uqonde izici kanye nezinzuzo ze-valve engcwatshwe ngokuqondile ngokulungiswa nokuthuthukiswa kokwakhiwa kwamadolobha, angcwatshwe ngaphansi komgwaqo wezintambo ezihlukahlukene kanye namapayipi akhula kancane kancane, aminyene, kunzima ukuhlela. Ukufakwa kwendabuko kwama-valve enethiwekhi yamapayipi kusemthonjeni we-valve emgwaqeni. Lapho ikhava yokuphahlazeka komthelela, yenza umsindo, ngokuvamile ayikwazi ukukhanyisa isibonisi sevalvu ngaphezulu kanye nomgwaqo, ithinte isiphithiphithi esihambayo, kanye nomthelela wokwakheka kwedolobha, amakhava omgodi antshontshwa njalo, nawo azobangela ukulimala komuntu, ukulimala kwemoto, njengokuthi ezingozini zokuphepha, ukufakwa okungcwatshwe ngokuqondile kungagwema lezi zinkinga, futhi kuzosindisa utshalomali. Ngokulungiswa nokuthuthukiswa kokwakhiwa kwedolobha, izintambo ezihlukahlukene namapayipi agqitshwe ngaphansi kwemigwaqo ayanda kancane kancane, aminyene futhi okunzima ukuwahlela. Ukufakwa kwendabuko kwama-valve enethiwekhi yamapayipi kusemthonjeni we-valve emgwaqeni. Lapho ikhava yokuphahlazeka komthelela, yenza umsindo, ngokuvamile ayikwazi ukukhanyisa isibonisi sevalvu ngaphezulu kanye nomgwaqo, ithinte isiphithiphithi esihambayo, kanye nomthelela wokwakheka kwedolobha, amakhava omgodi antshontshwa njalo, nawo azobangela ukulimala komuntu, ukulimala kwemoto, njengokuthi ezingozini zokuphepha, ukufakwa okungcwatshwe ngokuqondile kungagwema lezi zinkinga, futhi kuzosindisa utshalomali. Emazweni athuthukile ezimbonini zangaphandle, i-valve yenethiwekhi yepayipi isivele yamukele indlela eqondile yokungcwatshwa, lapho ihlangabezana nezidingo ezijwayelekile ze-valve yesango, ingangcwatshwa ngokuqondile ngaphandle kwe-valve kahle. ukuhlukaniswa Ivalvu egqitshwe ngokuqondile ingagqitshwa phansi, ngaphandle kokuhlolwa kwesakhiwo Imithombo, kuncishiswe indawo yokumbiwa komgwaqo. Igumbi elincane lomthombo lingagcina indawo yomgwaqo inhle, inciphise ubunzima bokwakha, yonge izindleko zephrojekthi. I-valve yesango elithambile eligqitshwe ngokuqondile ihlukaniswe yaba izinhlobo ezimbili ze-telescopic kanye nokulungisa kahle okungaguquki, okuwuhlobo lwe-telescopic nensimbi yepulasitiki. Enqubweni yokwakha, uhlobo lwe-telescopic lungalungiswa ngokuzenzakalelayo ebangeni elibanzi ngokuya ngebanga phakathi kokujula okungcwatshwe kwe-valve kanye nomhlabathi, futhi uhlobo olulungisiwe lokulungisa kahle lungalungiswa kancane esizeni. I-valve engcwatshwe ngokuqondile ekumelaneni kokugeleza incane, umzila wangaphakathi ophakathi womzimba we-valve uqondile, ophakathi ugeleza umugqa oqondile, ukumelana nokugeleza kuncane. Ngaphezu kwalokho, ukuvulwa nokuvalwa kwe-dynamics eyengeziwe, uma kuqhathaniswa ne-valve yembulunga, kungakhathaliseki ukuthi ivuliwe noma ivaliwe, isiqondiso sokunyakaza kwesango sibhekene nesiqondiso sokugeleza okuphakathi. inzuzo Indawo yokuhlala endala inendawo yokuhlala empofu, inani elikhulu labantu, kanye nezindawo zokuhlala eziphelele. Ngesikhathi esifanayo, kunezindawo eziningi zokusebenzisa igesi ngendlela ehlelekile. Ukuguqulwa kwenethiwekhi yamapayipi egesi kunomthelela omkhulu ekusetshenzisweni kwegesi ekuhambeni kwabahlali kanye nempilo yansuku zonke. Ukuze uqinisekise ukuphepha kokuhlinzekwa kwegesi yasendlini futhi ugweme inkinga yokuthi i-valve yokufaka igesi isethwe ekamelweni labasebenzisi abahlala khona futhi ayikwazi ukuvalwa ngesikhathi esimweni esiphuthumayo, i-valve yokungena kwegesi yezakhiwo zokuhlala kufanele ibekwe ngaphandle kwendawo yokuhlala. isakhiwo. Kunezindlela ezimbili: ***, ibhokisi lokuvikela i-valve yangaphandle kufanele libekwe lapho ukungena kwegesi kwethulwa phansi; Okwesibili, i-valve engcwatshwe ngokuqondile isethwe lapho i-underground yethulwa. Lapho isakhiwo sokuhlala singenazo izimo zokusetha ibhokisi lokuvikela i-valve yangaphandle, i-valve engcwatshiwe eqondile ingasethwa epayipini lokungena elingcwatshwe phambi kwesakhiwo njenge-valve yokungena. I-valve engcwatshiwe kufanele ibe nokusebenza okuhle kokunqanda ukugqwala, impilo yesevisi akufanele ibe ngaphansi kunempilo yesevisi yepayipi legesi, futhi kufanele ibe nomsebenzi wokuwunakekela mahhala emjikelezweni wokuphila, futhi ukusetshenziswa kwawo komthombo osekelayo wokuvikela kunomsebenzi wokulwa nokweba. I-valve engcwatshwe ngokuqondile ingakwazi ukuthuthukisa ukuphathwa kweyunithi yokuphatha ukusebenza kwegesi kubasebenzisi futhi ithuthukise ikhono lokubhekana nezimo eziphuthumayo.