A ikhoko yekumisavalve [1] ivalve lecondzile levulako futsi ivaleke ngekushesha, futsi iphindze isetjentiswe kakhulu kumidiya lenetinhlayiya letimisiwe ngenca yemphumela wekusula wekuhamba emkhatsini wetindzawo tekuvala ngesikulufu kanye nekuvikeleka lokuphelele ekutsintseni nemkhakha legeletako uma uvulwe ngalokuphelele. Lokunye lokubalulekile kutsi kulula kujwayela kwakhiwa kwetindlela letinyenti, kute kutsi i-valve yinye itfole tindlela letimbili, letintsatfu, nobe ngisho naletine letehlukene tekugeleta. Loku kwenta kube lula kwakhiwa kweluhlelo lwemaphayiphi, kunciphisa linani lemavalvu lasetjentiswako, futsi kunciphisa lokunye kuhlanganiswa lokudzingekako kulemishini.
Indlela lesebenta ngayo Emavalvu nge .ikhoko yekumisaimitimba lenetimbobo letidlulako njengetincenye letivulako naletivalako. Umtimba wepulagi ujikeleta nge [2] sicu kute kuzuzwe sento sekuvula nekuvala. Le valve lencane, lengakapakishwa, lefakwe ipulagi iphindze yatiwe ngekutsi “yi cocker”. Umtimba wepulagi yevalve yepulagi kakhulu ikhone (kukhona nemtimba wesilinda), lohambisana nendzawo ye conical orifice yemtimba wevalve kwenta umbhangqwana wekuvala. Ivalve yepulagi luhlobo lwekucala lwevalve lesetjentiswako, ngesakhiwo lesilula, kuvulwa nekuvalwa lokusheshako, kanye nekumelana lokuphansi kwemanti. Emavalvu epulagi lavamile atsembele ekutsintseni lokucondzile emkhatsini wemtimba wepulagi yensimbi lephelile kanye nemtimba wevalvi kutsi uvale, ngako-ke kuvala kuphuyile, emandla ekuvula nekuvala makhulu, kulula kuwagcoka, futsi kuvame kutsi asetjentiswe kuphela ngekucindzeteleka lokuphansi (hhayi ngetulu kwe-1 megapascal) kanye ne-diameter lencane (ngaphansi kwe-1 occa0 mm).
Ckuhlukanisa
Ngekuya kwesimo sesakhiwo, ingahlukaniswa ibe tinhlobo letine: ivalve yepulagi lecinile, ivalve yepulagi letivalako, ivalve yepulagi kanye nevalve yepulagi lejovwa nge oyili. Ngekuya kwefomu lesiteshi, ingahlukaniswa ibe tinhlobo letintsatfu: ivalve yepulagi lecondzile, ivalve ye-stopcock lenetindlela letintsatfu kanye nevalve yepulagi lenetindlela letine. Kukhona nemavalvu epulagi yeshubhu.
Emavalvu emapulagi ahlukaniswe ngekusetjentiswa lokufaka ekhatsi: emavalvu emapulagi lasetulu lathambile, emavalvu emapulagi lacinile lagcotjiwe nge oyili, emavalvu emapulagi epoppet, emavalvu emapulagi lahamba ngetindlela letintsatfu kanye naletine.
Tinzuzo
1. I-valve yepulagi isetjentiselwa kusebenta njalo, futsi kuvulwa nekuvalwa kuyashesha futsi kulula.
2. Kumelana kwemanti kwevalve yepulaki kuncane.
3. I valve plug has isakhiwo lesilula, usayizi encane kuqhathaniswa, sisindvo lesilula kanye nekunakekelwa kalula.
4. Kusebenta lokuhle kwekuvala.
5. Akukhawulelwa sicondziso sekufakwa, futsi sicondziso sekugeleza se-medium kungaba ngekukhetsa.
6. Kute kudvudvuta, umsindvo lophansi.
Emavalvu esango lavalwa ngendlela lethambile
Soft seal valve isango, valve yetimboni, soft seal valve valve kuvulwa kanye nekuvala tincenye timvu, sicondziso sekuhamba kwemvu sicondzile esicondzisweni seluketshezi, ivalve yesango ingavuleka kuphela ngokugcwele futsi ivalwe, ayikhoni kulungiswa futsi i-throttled. Le ram inetindzawo letimbili tekuvala, imodi lesetjentiswa kakhulu yesango valve tindzawo letimbili tekuvala takha i-wedge, i-angle ye-wedge iyahlukahluka ngemapharamitha e-valve, ububanzi lobubitwako ngu-DN50 ~ DN1200, lizinga lekushisa lekusebenta: ≤200 ° C.
Umtsetfosisekelo wemkhicito
Ipuleti lesango le wedgeivalvu yesangoe kungentiwa kube yintfo lephelele, lebitwa ngekutsi lisango lelicinile; Ingaphindze yentiwe ibe yinkunzi lengakhicita kugucuka kancane kwentela kwenta ncono kukhicitwa kwayo futsi yente kuphambuka kwe engela yendzawo yekuvala enchubeni yekucubungula, lebitwa ngekutsi yinkumbi ye elastic.
Luphawu lolutsambileemavalvu esangotihlukaniswe tibe tinhlobo letimbili: induku levulekile .Ivalvu yesango lekuvala lethambilekanye neluphawu lolutsambile lwendvuku lemnyamaIvalvu yesango. Imvamisa kunentambo ye trapezoidal kulendvuku yekuphakamisa, legucula kuhamba lokujikeletako kube kuhamba lokusemgceni nge nut emkhatsini we ram kanye ne groove yekucondzisa emtimbeni we valve, lokusho kutsi, i torque yekusebenta ibe ngumfutfo wekusebenta. Uma ivalve ivulwa, uma kuphakama kwekuphakamisa inkunzi kulingana ne 1:1 tikhatsi tebubanti bevalve, kugeleta kwemanti akuvinjelwa ngalokuphelele, kepha lesikhundla angeke sigadvwe ngesikhatsi sekusebenta. Ekusetjentisweni mbamba, imakwe yi vertex yesicu, lokusho kutsi, sikhundla lesingeke sivulwe, njengesikhundla sayo lesivulekile ngalokuphelele. Kute kulandziswe ngekuvaleka ngenca yetingucuko tekushisa, kuvame kuvulwa endzaweni ye apex bese kubuyiselwa emuva 1/2-1 turn njengendzawo ye valve levulekile ngalokuphelele. Ngako-ke, sikhundla lesivulekile ngalokuphelele se-valve sincunywa sikhundla se-ram (lokusho kutsi stroke). Lolu hlobo valve kufanele jikelele kufakwe evundlile ephayiphini.
Tidzingo letijwayelekile
1. Letincazelo kanye netigaba te .emavalvu elisango lekuvala lokutsambilekufanele ihlangabetane netidzingo temibhalo yekuklama emaphayiphi.
2. Imodeli ye-valve yesango le-soft seal kufanele ikhombise tidzingo tenombolo lejwayelekile yavelonkhe ngekuya kwayo. Uma kulizinga lebhizinisi, inchazelo lefanele yemodeli kufanele ikhonjiswe.
3. Umfutfo wekusebenta we .Ivalvu yesango lekuvala lethambilekudzinga umfutfo wekusebenta weliphayiphi le ≥, ngaphandle kwekutsintsa intsengo, umfutfo wekusebenta levalve lengawutfwala kufanele ube mkhulu kunemfutfo wekusebenta mbamba weliphayiphi, futsi noma nguliphi luhlangotsi lwevalve yesango le-soft seal kufanele likhone kumelana netikhatsi letingu-1.1 telinani lekuvuza kwemfutfo wekusebenta wevalve ngaphandle kwemfutfo wekusebenta;
4. Izinga lekukhicita le .Ivalvu yesango lekuvala lethambilekufanele ikhombise inombolo lejwayelekile yavelonkhe lesekelwe kuyo, futsi uma ngabe kulizinga lebhizinisi, umbhalo webhizinisi kufanele unamatsele esivumelwaneni sekutsenga.
Kwesibili, le soft seal isango valve impahla
1. Tintfo temtimba wevalve kufanele tibe yinsimbi lephosiwe, insimbi lephosiwe, insimbi lengagucuki, 316L, futsi libanga kanye nedatha yangempela yekuhlolwa kwemtimba kanye nemakhemikhali yensimbi lephosiwe kufanele ikhonjiswe.
2. Lentfo yesicu kufanele ilwele sicu sensimbi lengagucuki (2CR13), futsi i-valve lenkhulu-diameter kufanele iphindze ibe sicu sensimbi lengagucuki lefakwe.
3. Le nut yentiwa ngelithusi le-aluminium lephosiwe noma litfusi le-aluminium lephosiwe, futsi buciniso nemandla kukhulu kunaleyo yesicu sevalve.
4. Kucina kanye nemandla emphahla yekubhusha sicu akukafaneli kube mkhulu kunaleyo yesicu sevalve, futsi akukafaneli kube nekugcola kwe-electrochemical nesicu sevalve kanye nemtimba wevalve ngaphansi kwesimo sekucwiliswa emantini.
5. Tintfo tendzawo yekuvala
(1) Tinhlobo tesivalo lesitfobekile .Ivalvu yesangos tehlukile, futsi tindlela tekuvala kanye netidzingo tetintfo tehlukile;
(2) Kumavalvu esango le-wedge levamile, tintfo, indlela yekulungisa kanye nendlela yekugaya yendandatho yelitfusi kufanele ichazwe;
(3) Idatha yekuhlola ye-physicochemical kanye nekuhlanteka kwe-valve yesango lekuvala lokuthambile kanye netintfo tekumbonya ipuleti le-valve;
6. Kupakisha kweshafu yevalvu
(1) Ngenca yekutsi luphawu lolutsambile .Ivalvu yesangokunethiwekhi yemaphayiphi kuvame kuvulwa nekuvalwa lokungakavami, kupakisha kuyadzingeka kutsi kungasebenti iminyaka leminyenti, futsi kupakisha akugugi, futsi umphumela wekuvala ugcinwa sikhatsi lesidze;
(2) Kupakisha kwevalve kufanele futsi kube ngunaphakadze uma kuvulwa nekuvalwa njalo;
(3) Ngenca yaletidzingo letingenhla, kupakisha kweshaft yevalve kulwela kutsi kungashintjwa iminyaka lengetulu kwalelishumi;
(4) Uma ngabe kupakisha kudzingeka kutsi kushintjwe, umklamo we-pneumatic valve kufanele ucabangele tinyatselo letingashintjwa ngaphansi kwesimo sekucindzeteleka kwemanti.
Kwesitsatfu, indlela yekusebenta yesivalo lesithambile .Ivalvu yesango
3.1 Indlela yekuvula nekuvala yevalve yesango le-soft seal ngesikhatsi sekusebenta kufanele ivalwe ngendlela yewashi.
3.2 Ngenca yekutsi ivalve yemoya kunethiwekhi yemaphayiphi ivame kuvulwa ngesandla futsi ivalwe, linani lekuvula nekuvala akukafaneli libe likhulu kakhulu, lokusho kutsi, ivalve lenebubanti lobukhulu kufanele iphindze ibe ngaphakatsi kwemajika langu 200-600.
3.3 Kute kube lula kuvula nekuvala umsebenti wemuntfu munye, i-torque lenkhulu yekuvula nekuvala kufanele ibe ngu-240N-m ngaphansi kwesimo sekucindzetelwa kwemaphayiphi.
3.4 Kuvula nekuvala umsebenti ekupheleni kwevalve yesango le-soft seal kufanele kube yi-tenon yesikwele, futsi bukhulu kufanele bube semgangatfweni, futsi bubheke emhlabatsini, kute bantfu bakhone kusebenta ngco kusuka emhlabatsini. Emavalvu lane-disc discs akakulungeli kusetjentiswa kumanethiwekhi langaphansi kwemhlaba.
3.5 umbukiso iphaneli yekuvula nekuvala lizinga le-soft sealIvalvu yesango
(1) Liphawu lesikali sekuvula nekuvala kwelizinga le-valve yesango le-soft seal kufanele lilahlwe esivalweni selibhokisi legiya noma egobolondvweni le-disc yekubonisa ngemuva kwekushintja indlela, konkhe kubuke phansi, futsi liphawu lesikali kufanele libhushwe ngema-phosphors kukhombisa kubamba emehlo;
(2) Impahla yenaliti ye-disc yenkomba ingentiwa ngepuleti lensimbi ngaphansi kwesimo sekuphatfwa kahle, ngaphandle kwaloko ipuleti lensimbi lependiwe, futsi akukafaneli yentiwe ngesikhumba se-aluminium;
(3) Inyalisi ye-indicator disc iyabamba emehlo, ilungiswe kahle, uma kulungiswa kwekuvula nekuvala kunembile, kufanele ivalwe ngema-rivets.
3.6 Uma ngabe i-valve yesango le-soft seal ingcwatjiwe kujule, futsi libanga emkhatsini wendlela yekusebenta kanye nephaneli yekubonisa kanye nemhlabatsi lingu ≥1.5m, kufanele ifakwe sikhungo setindvuku tekwandzisa, futsi kufanele kutsi iciniswe kahle kute bantfu bakhone kubuka futsi basebente kusuka emhlabatsini. Lokusho kutsi, kuvula nekuvala umsebenti wevalve kunethiwekhi yemaphayiphi akufaneleki kusebenta ngaphansi kwemhlaba.
Kwesine, sivivinyo sekusebenta seluphawu lolutsambileIvalvu yesango
4.1 Uma ivalve yakhiwa ngemaqoqo ekucaciswa lokutsite, inhlangano leneligunya kufanele iphatsiswe kuhlola kusebenta lokulandzelako:
(1) I-torque yekuvula nekuvala kwe-valve ngaphansi kwesimo sekucindzeteleka lokusebenta;
(2) Ngaphansi kwesimo sekucindzeteleka kwekusebenta, kungacinisekisa tikhatsi tekuvula nekuvala letichubekako te- .ivalvukuvala ngalokucinile;
(3) Kutfolakala kwe-coefficient yekumelana nekugeleta kwe-valve ngaphansi kwesimo sekutfutsa emanti ngemaphayiphi.
4.2 Lokuivalvukufanele kuhlolwe ngalendlela lelandzelako ngaphambi kwekutsi kuphume efekthri:
(1) Uma ivalve ivulwa, umtimba wevalve kufanele umelane nekuhlolwa kwekucindzeteleka kwangekhatsi lokuphindvwe kabili kwelinani lekucindzeteleka lokusebenta kwevalve;
(2) Uma ivalve ivaliwe, totimbili tinhlangotsi tithwala 1.1 tikhatsi tekucindzeteleka lokusebenta kwevalve, futsi kute kuvuza, kepha linani lekuvuza levalve yebutterfly levaliwe ngensimbi alikhulu kunetidzingo letifanele.
Kwesihlanu, lokulwa nekugcola kwangekhatsi nangaphandle kwevalve yesango le-soft seal
5.1 Ngekhatsi nangaphandle kwemtimba wevalve (kufaka ekhatsi libhokisi lekudlulisa ngesivinini lesigucukako), kwekucala, kubhujiswa kwekudubula, kususwa kwesihlabathi kanye nekususwa kwemhlwa kumele kwentiwe, bese le-epoxy resin lephuphumako lengabi nebuthi kumele ifafatwe nge-electrostatically, ngebukhulu lobungaphezu kwa 0.3mm. Uma kumatima kufafata nge electrostatically i-epoxy resin lengabi nebuthi kumavalvu lamakhulu kakhulu, pende lefanako ye-epoxy lengabi nebuthi kumele iphindze ibhushwe futsi ifafatwe.
5.2 Ngekhatsi kwemtimba wevalve kanye nato tonkhe tincenye tepuleti yevalve kudzingeka kutsi tibe nekugcola ngalokuphelele, ngakulolunye luhlangotsi, angeke tigcobe uma tifakwe emantini, futsi angeke kube nekugcola kwe-electrochemical emkhatsini waletinsimbi letimbili; Kwesibili, lendzawo iyashelela, kute kumelana nemanti kuncishiswe.
5.3 Tidzingo tekuhlanteka te-epoxy resin noma pende yekulwa nekugcola emtimbeni wevalve titawuba nembiko wekuhlola lovela esigungwini lesihambisanako. Letimphahla temakhemikhali kanye netenyama kumele tiphindze tihlangabetane netidzingo letifanele.
Sikhatsi sekuposa: Lweti-09-2024
