Inqubo yokulungisa ama-valve kagesi aqonde embulungeni yonke kanye nokucubungula ubuchwepheshe bokwabelana ngolwazi lwe-valve: Izinkinga ezivamile zevalvu yeglobhu kagesi eqhubekayo
Ukuvalwa kwe-valve yembulunga kungenxa yokucindezela kokusebenza kwesiqu, ukuze ikhanda le-valve nesihlalo sicindezelwe eduze ukuze kuqedelwe ukuvala. Ububanzi bohlelo lwayo luvaliwe, futhi lungalungisa cishe i-valve, kodwa ungasebenzisi njenge-valve yokusiza. Ivalvu yembulunga ngokuvamile inohlobo oluqondile, uhlobo lwe-Angle noma uhlobo lwe-DC lwesithathu. I-valve yokumisa eqondile, i-Angle type stop valve, i-DC yohlobo lokumisa i-valve.
1. Isimiso se-globe valve
Ukuvalwa kwe-valve yembulunga kungenxa yokucindezela kokusebenza kwesiqu, ukuze ikhanda le-valve nesihlalo sicindezelwe eduze ukuze kuqedelwe ukuvala.
2, inhloso eyinhloko ye-valve yembulunga
Ububanzi bohlelo lwayo luvaliwe, futhi lungalungisa cishe i-valve, kodwa ungasebenzisi njenge-valve yokusiza. Ama-stop valves asetshenziswa kakhulu eziteshini zamandla kagesi, ikakhulukazi eziphasejini eziphephile uma kuqhathaniswa, lapho kunikezwa ukuqina okuhle kokuvala, iningi lala mavalvu esango liyasetshenziswa.
Izinzuzo zayo yilezi: isakhiwo esihlangene, isakhiwo esihlangene, ukukhiqiza, ukugcinwa okulula.
Ukungalungi okuyinhloko: ukumelana nokugeleza, amandla okuvula nokuvala kukhulu kakhulu, kodwa ngokwanda kwesigaba sesiteshi futhi kwanda ngokushesha. Ngakho-ke, kunzima kakhulu ukwenza i-valve yokumisa enokwethenjelwa enesigaba esikhulu sesiteshi.
3. Ukuhlukaniswa kwe-valve yeglobu
Ivalvu yembulunga ngokuvamile inohlobo oluqondile, uhlobo lwe-Angle noma uhlobo lwe-DC lwesithathu.
(1) ivalvu yokumisa eqondile. Isiqu se-valve yokumisa eqondile kanye ne-axis yesiteshi esiphakathi ku-90 Angle, lolu hlobo lwevalvu yokumisa lusetshenziswa kakhulu ezitshalweni zamandla. Njengoba kukhonjisiwe kuMfanekiso 2-2.
(2) Ivalvu yokumisa yohlobo lwe-engeli. Isici se-Angle globe valve ukuthi i-medium ku-valve kanye nokungena kwangempela ku-90, njengoba kuboniswe kuMfanekiso 2-3.
(3) i-valve yokumisa yohlobo lwamanje oluqondile. I-Dc stop valve isiqu se-valve kanye ne-eksisi yesiteshi esimaphakathi ye-Engeli yokubuka, njengoba kuboniswe kuMfanekiso 2-4.
4. Izici zesakhiwo kanye nobuchwepheshe bokucubungula ukugcinwa kwe-valve kagesi eqondile-nge-globe
Ukulandela i-valve kagesi eqondile edlula emhlabeni njengesibonelo, isingeniso esifushane sezimpawu zesakhiwo se-valve yomhlaba kanye nobuchwepheshe bokucubungula ukulungiswa.
(1) Isakhiwo sevalvu yembulunga kagesi eqondile.
I-valve kagesi eqondile edlula emhlabeni yokushisela isokhethi, uhlaka lokusekela i-valve yesango kanye noxhumo lwe-valve esihlalweni se-flange, induku yomnyango kanye nokuvala isihlalo se-valve, ukusuka ngaphakathi ukuya ngaphandle, ukusetshenziswa kweyokuqala enekepisi eliyisipele kanye noxhumo lwe-valve esihlalweni, phezulu. ikhava i-gasket, bese kuba yizinto zokugcwalisa, yi-root screw cap, ukusebenza kokubeka uphawu kunokwethenjelwa. Njengoba kukhonjisiwe kuMfanekiso 2-2.
(2) Ukugcinwa nokucubungula ubuchwepheshe be-valve kagesi eqondile-nge-globe.
1) Ivalvu yokumisa eqondile kagesi iyawa.
① Ngemuva kokuqedwa kwethikithi lomsebenzi, qinisekisa ukuthi awekho amanzi epayipini, akukho ngcindezi, ungaqala; (2) Lungiselela abasizi nezinye izinto zokuphepha kusengaphambili, yakha isikafula sepayipi lensimbi, indawo yokuphakamisa, thintana nabasebenzi bemishini yokusabalalisa amandla ukuze bakhiphe ipulaki yamandla; (3) Ngemva kokuvula mathupha izinkinobho ezingu-1-2 zevalvu yesango, phakamisa izicubu zikagesi ngeketanga eliqondisayo kanye nentambo yensimbi ethathiwe, qaqa futhi ufake umshini kagesi nohlaka lokusekela, qinisa amabhawodi, futhi ukhiphe izicubu zikagesi kahle futhi liphakamise; (4) Khipha ibhawudi lehange le-valve yesango lokumaka imbobo bese ukhipha imbobo ye-shaft ukuze uyigcine; ⑤ Guqula uhlaka lokusekela ngokuphambene newashi ukuze uluhoxise futhi uluphakamise; (6) Hlukanisa futhi ufake isikulufu sokubopha se-disc cap, khipha i-disc cap, umbe izinto zokugcwalisa; ⑦ Ngamathuluzi akhethekile, ikepisi eliyisipele emuva, khipha isiqu somnyango kanye nekhanda le-valve, uphawu lwe-valve.
2) Ukugcinwa kwe-valve yokumisa kagesi eqondile.
(1) Hlola isihlalo se-valve kanye nekhanda le-valve, kufanele libe bushelelezi, kungabikho ukuhuzuka, izimpawu ze-groove, amabala amnyama nezinye iziphambeko, uma zikhona, kufanele zenziwe ukwelashwa kokugaya ngokusho kwezinga lokushiyeka noma ukulungisa ukugaya.
(2) Hlola isiqu se-valve, akukho ukugoba, ukulimala, ukuhuzuka nokunye ukushiyeka. Futhi uphawu lwe-rotary, kufanele luhlanzeke, kungabikho amamaki e-groove nokunye ukushiyeka, isikulufu esinqeni se-valve asinawo umonakalo, futhi i-nut enokuxhumana okuhle, ukujikeleza okulula, ngaphandle kwalokho kufanele kulungiswe. Isiqu kufanele sigotshwe phakathi kuka-0.1mm, futhi ukujula komgodi wokugqokwa akufanele kudlule u-0.1-0.2mm.
③ Igebe eliphakathi kwesiqu se-valve ne-spare cap kufanele lilinganiswe ngokunembile phakathi kobubanzi obungu-0.2~0.25mm, futhi igebe phakathi kwesihlalo sevalvu kanye nesivalo sediski kufanele libe phakathi kwebanga lika-0.2~0.3mm.
(4) Hlola isikulufu sokuxhuma phakathi kohlaka lokusekela kanye nesihlalo, akufanele kube khona umonakalo, futhi ukusebenzisana kuhle. Isikulufu ngasinye sokubopha kufanele sihambisane kahle ne-screw cap.
Idigri yokuguga yesikulufu samantongomane akumele idlule u-1/3 wobude bocingo.
Hlola idivayisi yokudlulisela, igiya, ukugqokwa kwama-rack, umonakalo akufanele udlule i-1/3 yobukhulu bezinyo, ingxenye yokuhlanganiswa kwezinyo akufanele iqhekeke kanye nezingozi zokuphepha kwamazinyo. Hlola ukuthi ingabe i-average eginqikayo ilimele futhi iphenduka ngokungazweli. Ukukhetha okwenziwa ngesandla nokuzenzakalelayo kulula futhi kunokwethenjelwa, futhi uhlelo lokudlulisela luyongayo.
3) Ukuhlanganiswa kwe-valve yokumisa kagesi eqondile. Inqubo yokuhlanganisa i-valve yeglobu kagesi ihlehliswa ngenqubo yokuhlakazeka.
Ivalvu yokumisa izinga lokushisa eliphezulu kagesi eqhubekayo ingafakwa kuzo zonke izindawo zepayipi, okuphakathi nendawo ukusuka phansi kuya emfudlaneni ongenhla. Idizayini yokubukeka komkhiqizo kanye nokukhiqizwa ngokwezinga lemboni kazwelonke ye-GB12235, isakhiwo esinengqondo, ukubekwa uphawu okuthembekile, ukusebenza okuhle kakhulu, ukuma okuhle. I-Carbon steel globe valve ifaneleka kumapayipi kawoyela angangeni ekushiseni, anezici ezimelana nokushisa. Ivalvu yembulunga kagesi eqhubekayo yokushisa okuphezulu ifanele zonke izinhlobo zamapayipi aphakathi nendawo agqwalayo, anokumelana nokugqwala okuhle namandla okucindezela anele. Izinhlobonhlobo zezinto ezibonakalayo ze-valve ziphelele, izinto zokugcwalisa, i-gasket ingakhethwa ngokuphumelelayo ngokuvumelana nezimo ezithile zokusebenza noma izidingo zomsebenzisi, zingafaneleka ukucindezela okukhulu, izinga lokushisa elizungezile kanye nezimo zokusebenza eziphakathi.
Izici eziyinhloko zevalvu yeglobhu eqhubekayo kagesi eqhubekayo nokusetshenziswa okuyinhloko
1. Ivalvu yesango kanye nepayipi kushiselwe ndawonye.
2, ingaphezulu akulula ukulimaza, ukuchaya, ukuvala ukusebenza kuhle. Impilo ende yesevisi.
I-3, isakhiwo esilula, ukuvulwa okuqinile nokuvala, ukuphakama okuncane, ukugcinwa okulula.
I-4, ingaba amanzi, umusi, umgwaqo wepayipi lomkhiqizo, ukumelana nokushisa, ukumelana nokucindezela okukhulu.
Izinkinga ezivamile zevalvu yokumisa izinga lokushisa eliphezulu kagesi
Ivalvu kagesi eqhubekayo yokumisa izinga lokushisa eliphezulu ingafakwa kuzo zonke izindawo zepayipi, okuphakathi nendawo ukusuka phansi kuya emfudlaneni ongenhla. Idizayini yokubukeka komkhiqizo kanye nokukhiqizwa ngokwezinga lemboni kazwelonke ye-GB12235, isakhiwo esinengqondo, ukubekwa uphawu okuthembekile, ukusebenza okuhle kakhulu, ukuma okuhle. Ivalvu yeglobu yensimbi ye-Carbon ifaneleka kumapayipi kawoyela angangeni ekushiseni, anezici ezimelana nokushisa. Ivalvu yeglobhu kagesi eqhubekayo yokushisa okuphezulu ilungele zonke izinhlobo zamapayipi aphakathi nendawo agqwalayo, anokumelana nokugqwala okuhle namandla okucindezela anele.
Izici ze-valve yeglobhu yokushisa kagesi eqhubekayo ziboniswa kanjena:
① I-valve ye-Piston kanye nendawo yesihlalo se-valve zenziwe nge-welding eqinile yesifutho, imelana nokugqokwa, ukumelana nokushisa, ukumelana nokugqwala, ukumelana nokuhuzuka, kuqinile futhi kuhlala isikhathi eside.
② I-valve stem impahla iyinsimbi ecisha imvamisa ephezulu, ubulukhuni besiqu se-valve evalekile, ukumelana nokugqokwa, ukumelana nemihuzuko, ukumelana nokugqwala.
(3) Ngenxa yokushisa kwemvelo, ingcindezi yokusebenza nezinye izici, ububanzi be-valve ngaphakathi kwepuleti lesekhethi kawoyela ye-DN50 kanye ne-valve yokugeleza okukodwa kuyizingxenye zokubumba, kanti ipuleti lesekhethi kawoyela kanye ne-valve yokugeleza eyodwa ngenhla kwe-DN65 kuyinsimbi engagqwali.
④ I-Valve body material ehlukahlukene iphelele, izinto zokugcwalisa, i-gasket ingakhethwa ngempumelelo ngokuya ngezimo ezithile zokusebenza noma izidingo zomsebenzisi, ingafaneleka ingcindezi enkulu, izinga lokushisa elizungezile nezimo zokusebenza ezimaphakathi.
⑤ Naka ukungena kwe-medium lapho uhlanganisa i-valve yesango, futhi uhlangane ngokuhambisana ngokuqinile nesiqondiso esikhonjiswe umcibisholo we-valve wesango.
I-valve yokumisa kagesi ngangokunokwenzeka ukuhlanganisa mpo, qinisa.
Isikhathi sokuthumela: Mar-10-2023
