Iivalvuyincenye yekulawula eluhlelweni lwekuletsa emanti, lenemisebenti lefana nekunciphisa, kulungisa, kuphambukisa kugeleta, kuvikela kugeleta lokubuyela emuva, kusimamisa umfutfo, kuphambukisa kugeleta noma kukhululeka kwemfutfo wekuphuphuma. Emavalvu lasetjentiswa etinhlelo tekulawula emanti asuka kumavalvu lalula kakhulu lasikako kuya kumavalvu lahlukahlukene lasetjentiswa etinhlelo tekulawula letiyinkimbinkimbi kakhulu letizenzakalelayo, letinetinhlobo letiningi letihlukahlukene kanye netincazelo. Emavalvu angasetjentiswa kulawula kuhamba kwetinhlobo letehlukene tetintfo letifana nemoya, emanti, umfutfo, tintfo letehlukene letiguculako, ludzaka, oyili, insimbi lesemantini kanye netintfo letikhipha imisebe. Emavalvu aphindze ahlukaniswe abe ngemavalvu ensimbi lephosiwe, emavalvu ensimbi lephosiwe, emavalvu ensimbi lengagucuki, emavalvu ensimbi ye-chrome molybdenum, emavalvu ensimbi ye-chrome molybdenum vanadium, emavalvu ensimbi lephindvwe kabili, emavalvu epulasitiki, emavalvu langakajwayeleki kanye naletinye tintfo tevalvu ngekuya kwetintfo. Ngutiphi tidzingo tebuchwepheshe lokufanele tinakwe uma utsenga emavalvu .
1. Valve lokucacisiwe kanye netigaba kufanele kuhlangabetane netidzingo temibhalo yekuklama emaphayiphi .
1.1 Imodeli yevalve kufanele ikhombise tidzingo tetinombolo telizinga lavelonkhe. Uma kulizinga lebhizinisi, inchazelo lefanele yemodeli kufanele ikhonjiswe.
1.2 Umfutfo wekusebenta kwevalve udzinga .≥umfutfo wekusebenta weliphayiphi. Ngaphansi kwesizatfu sekungatsintsi intsengo, umfutfo wekusebenta levalve lengamelana nawo kufanele ube mkhulu kunemfutfo wekusebenta mbamba weliphayiphi; noma ngabe nguyiphi incenye yevalve kufanele ikhone kumelana netikhatsi letingu 1.1 tekucindzeteleka lokusebenta kwevalve uma kuvaliwe inani, ngaphandle kwekuvuza; uma ivalve ivulekile, umtimba wevalve kufanele ukhone kumelana netidzingo tekucindzeteleka lokuphindvwe kabili kwekusebenta kwevalve.
1.3 Kumazinga ekukhicita emavalvu, inombolo lejwayelekile yavelonkhe yesisekelo kufanele ishiwo. Uma ngabe kulizinga lebhizinisi, imibhalo yebhizinisi kufanele inamatsele esivumelwaneni sekutsenga .
2. Khetsa tintfo te valve .
2.1 Tintfo tevalve, njengoba emaphayiphi ensimbi lempunga lelahliwe kancane kancane anganconywa, tintfo temtimba wevalvi kufanele tibe yinsimbi legucukako kakhulu, futsi lizinga kanye nedatha yangempela yekuhlolwa kwemtimba kanye nemakhemikhali yekukhicita kufanele kukhonjiswe.
2.2 Lokuivalvutintfo tesicu kumele takhiwe ngesicu sevalve yensimbi lengagucuki (2CR13), futsi ivalve lenkhulu lenebukhulu kumele iphindze ibe sicu sevalve lefakwe ensimbini lengagucuki.
2.3 Lentfo yemantongomane i-aluminium lephosiwe yelitfusi noma i-aluminium lephosiwe yelitfusi, futsi kucina kwayo nemandla ayo kukhulu kunaleyo yesicu sevalve .
2.4 Intfo ye bushing yesicu se valve akukafaneli ibe nekucina kanye nemandla lamakhulu kunaleyo yesicu se valve, futsi akukafaneli yakhe kugcola kwe electrochemical nesicu se valve kanye nemtimba we valve ngaphansi kwekucwiliswa emantini.
2.5 Tintfo tendzawo yekuvala1Kukhona tinhlobo letehlukene te .emavalvu, tindlela letehlukene tekuvala kanye netidzingo tetintfo;2Emavalvu esango le-wedge levamile, tintfo, indlela yekulungisa, kanye nendlela yekugaya yendandatho yelitfusi kufanele ichazwe;3Emavalvu esango lavalwe ngendlela lethambile, intfo yekumbonya iraba yepuleti levalve Idatha yekuhlola lebonakalako, yemakhemikhali kanye neyekuhlanteka;4Emavalvu e-butterfly kumele akhombise tintfo tendzawo yekuvala emtimbeni wevalve kanye netintfo tendzawo yekuvala epuletini le-butterfly; idatha yabo yekuhlolwa kwemtimba kanye nemakhemikhali, ikakhulukati tidzingo tekuhlanteka, kusebenta kwekulwa nekuguga kanye nekumelana nekugcoka kwerabha; Irabha yemehlo kanye nerabha ye-EPDM, njll, akukavumeleki ngalokuphelele kuhlanganisa irabha lebuyiselwe emuva.
2.6 Kupakisha kweshafu yevalvu1Ngenca yekutsi emavalvu lase network yemaphayiphi avame kuvulwa futsi avalwe ngalokungakavami, lokupakisha kudzingeka kutsi kungasebenti iminyaka leminyenti, futsi lokupakisha ngeke kuguge, kwentela kugcina umphumela wekuvala sikhatsi lesidze;2I valve shaft packing kufanele iphindze imelane njalo njalo kuvulwa kanye nekuvalwa , umphumela kuvala muhle;3Ngenca yaletidzingo letingenhla, kupakisha kweshaft yevalve akukafaneli kushintjwe imphilo yonkhe noma iminyaka lengetulu kwalelishumi;4Uma lokupakisha kudzinga kushintjwa, umklamo we valve kumele ucabangele tindlela letingashintjwa ngaphansi kwesimo sekucindzeteleka kwemanti.
3. Ibhokisi lekudlulisela ngesivinini lesigucukako
3.1 Ibhokisi umtimba impahla kanye netidzingo tangekhatsi nangaphandle anti-kugcola kuhambisana isimiso umzimba valve. le
3.2 Lelibhokisi kumele libe netinyatselo tekuvala, futsi lelibhokisi lingamelana nekucwiliswa ensika yemanti lengemamitha lamatsatfu ngemuva kwekuhlanganiswa. le
3.3 Ku-device yekuvula nekuvala umkhawulo ebhokisini, i-nut yekulungisa kufanele ibe ebhokisini. le
3.4 Umklamo wesakhiwo sekudlulisela unengcondvo. Uma ivulwa futsi ivalwe, ingashayela kuphela ishafu yevalve kutsi ijikelete ngaphandle kwekutsi yente kutsi ihambe etulu naphansi. le
3.5 Libhokisi lekudlulisa ngesivinini lesigucukako kanye nekuvalwa kweshaft yevalve akukwati kuhlanganiswa kube yintfo lengavuti. le
3.6 Kute imfucumfucu ebhokisini, futsi tincenye tekuhlanganisa emagiya kufanele tivikelwe ngemafutsa.
4.Ivalvuindlela yekusebenta
4.1 Indlela yekuvula nekuvala yekusebenta kwevalve kufanele ivalwe ngendlela yewashi. le
4.2 Njengoba emavalvu lakunethiwekhi yemaphayiphi avame kuvulwa futsi avalwe ngesandla, linani lekuvula nekuvala akukafaneli libe likhulu kakhulu, ngisho nemavalvu lamakhulu-diameter kumele nawo abe ngaphakatsi kwema-200-600 ekujika. le
4.3 Kute kube lula kuvula nekuvala umsebenti ngumuntfu munye, i-torque lenkhulu yekuvula nekuvala kumele ibe ngu 240m-m ngaphansi kwemfutfo wepulamba.
4.4 Kuvula nekuvala kwekusebenta kwekuphela kwevalve kumele kube yi-tenon lesikwele lenetilinganiso letilinganisiwe futsi ibuke emhlabatsini kute bantfu bakhone kuyisebentisa ngco kusuka emhlabatsini. Emavalvu lanemadiski akafaneleki emanethiwekhi emaphayiphi langaphansi kwemhlaba. le
4.5 Khombisa iphaneli yekuvula nekuvala kwevalvu
1Umugca wesikali wekuvula nekuvala kwelizinga le valve kumele ulahlwe esivalweni sebhokisi legiya noma egobolondvweni lephaneli yekubonisa ngemuva kwekutsi kushintjwe sicondziso, konkhe kubuke emhlabatsini, bese umugca wesikali kumele upendwe ngempuphu ye fluorescent kukhombisa kubamba emehlo; Esimeni lesincono, ipuleti lensimbi ingasetjentiswa, ngaphandle kwaloko lipendiwe ipuleti lensimbi, ungasebentisi sikhumba se-aluminium kwenta;3Inaliti yekukhombisa ibamba emehlo futsi icinile, uma kulungiswa kwekuvula nekuvala sekunembile, kumele ivalwe ngema rivets. le
4.6 Uma ngabe iivalvuingcwatjwe kujule, futsi libanga emkhatsini wendlela yekusebenta kanye nephaneli yekubonisa lingu .≥15m kusuka emhlabatsini, kumele kube nendzawo ye extension rod, futsi kumele ilungiswe kahle kwentela kutsi bantfu bakhone kubuka futsi basebente kusuka emhlabatsini. Lokusho kutsi, kuvula nekuvala umsebenti emavalvu kunethiwekhi emaphayiphi akufanelekile imisebenti downhole.
5. Ivalvukuhlolwa kwekusebenta
5.1 Uma ivalve yakhiwa ngemaqoqo ekucaciswa lokutsite, inhlangano leneligunya kufanele iphatsiswe kwenta lokuhlolwa kwekusebenta lokulandzelako:1I torque kuvulwa kanye nekuvalwa kwevalve ngaphansi kwesimo sekucindzeteleka lokusebenta;2Ngaphansi kwesimo sekucindzeteleka lokusebenta, tikhatsi tekuvula nekuvala letichubekako letingacinisekisa kutsi ivalve ivalwe kahle;3Kutfolakala kwe-coefficient yekumelana nekugeleta kwe-valve ngaphansi kwesimo sekuletsa emanti emaphayiphi. le
5.2 Letivivinyo letilandzelako kufanele tenteke ngaphambi kwekutsi levalve iphume efekthri:1Uma ivalve ivulekile, umtimba wevalve kumele umelane nekuhlolwa kwekucindzeteleka kwangekhatsi lokuphindvwe kabili kwemfutfo wekusebenta wevalve;2Uma ivalve ivaliwe, totimbili tinhlangotsi kufanele titfwale tikhatsi letingu-11 umfutfo wekusebenta wevalve , kute kuvuza; kepha i-valve ye-butterfly levaliwe ngensimbi, linani lekuvuza alikho likhulu kunetidzingo letifanele .
6. Ngaphakathi nangaphandle anti-kugcola emavalvu
6.1 Ngekhatsi nangephandle kweivalvuumtimba (kufaka ekhatsi libhokisi lekudlulisela ngesivinini lesigucukako) kumele kucale kudutshulwe kuqhunyiswe kususa sihlabatsi kanye nekugcoba, bese ulwela kufafata nge electrostatically i-epoxy resin lempuphu lengakabi nebuthi lenebukhulu lobungaba ngu 0~3mm noma ngetulu. Uma kumatima kufafata nge electrostatically i-epoxy resin lengabi nebuthi yemavalvu lamakhulu kakhulu, pende lefanako ye-epoxy lengabi nebuthi kumele iphindze ibhushwe futsi ifafatwe.
6.2 Ingaphakathi lemtimba wevalve kanye nato tonkhe tincenye tepuleti levalve tiyadzingeka kutsi tibe nekugcola ngalokuphelele. Ngakulolunye luhlangotsi, angeke igcobe uma ifakwe emantini, futsi kute kugcola kwe electrochemical lokutawenteka emkhatsini waletinsimbi letimbili; ngakulolunye luhlangotsi, lendzawo iyashelela kwentela kunciphisa kumela kwemanti. le
6.3 Tidzingo tekuhlanteka kwe-epoxy resin noma pende lelwa nekugcola emtimbeni wevalvi kufanele ibe nembiko wekuhlola weligunya lelihambisanako. Letimphahla temakhemikhali netenyama kufanele tiphindze tihlangabetane netidzingo letifanele .
7. Kupakisha kwemavalvu kanye nekutfutsa
7.1 Totimbili tinhlangotsi tevalve kufanele tivalwe ngemapuleti lavimbela kukhanya. le
7.2 Emavalvu lasemkhatsini nalamancane kumele ahlanganiswe ngetintsambo temahlanga bese atfutfwa ngetitja.
7.3 Emavalvu lamakhulu-diameter nawo apakishwa ngekugcinwa kweluhlaka lolulula lwetigodvo kugwema kulimala ngesikhatsi sekutfutsa .
8. Hlola incwadzi yefekthri yevalve .
8.1 I valve yimishini, futsi lemininingwane lelandzelako lefanele kufanele ikhonjiswe encwadzini yefekthri: kucaciswa kwevalve; sifanekiso; kucindzeteleka kwekusebenta; lizinga lekukhicita; tintfo temtimba wevalve; tintfo tesicu sevalve; tintfo tekuvala; tintfo tekupakisha ishaft yevalve; tintfo tekubhusha sicu sevalve; Tintfo letilwa nekugcola; sicondziso sekucala sekusebenta; emavukelambuso; kuvula nekuvala torque ngaphansi kwemfutfo wekusebenta;
8.2 Ligama la .IVALUVU ye-TWSumkhiciti; lilanga lekwakhiwa ngalo; inombolo ye-serial yefekthri: sisindvo; i-aperture, inombolo yetimbobo, kanye nebanga emkhatsini wetimbobo letisemkhatsini tekuhlanganisaiflengetikhonjiswe emdvwebeni; tilinganiso tekulawula tebudze bonkhe, bubanti, kanye nekuphakama; tikhatsi tekuvula nekuvala letiphumelelako; valve kugeleza ukumelana I-Coefficient; idatha lefanele yekuhlolwa kwe-valve ex-factory kanye netinyatselo tekufakwa nekunakekelwa, njll.
Sikhatsi sekuposa: Indlovana-12-2023
