Gate valve kuyinto valve jikelele evame kakhulu, isetjentiswa kakhulu, ikakhulukati isetjentiswa ekugcineni emanti, metallurgy kanye naletinye timboni, uhla lwayo lolubanzi lwekusebenta sekubonwe yimakethe, TWS ekhwalithi kanye nekugadza kwebuchwepheshe kanye nemsebenti wekuhlola iminyaka leminyenti, ngaphezu kwekutfolakala kwemavalvu lucwaningo lwesango babe ne certa kanye ne certa on, letinye tincenye telucwaningo lolucophelelako futsi lolucophelelako.
Ngekuya kwetindlela letehlukene tesakhiwo semavalvu esango, emavalvu esango angahlukaniswa abe tigaba letimbili: luhlobo lwe wedge kanye neluhlobo lwe parallel.
Ipuleti lesango le valve yesango le wedge imise kwe wedge, futsi indzawo yekuvala ithambekele emgceni losemkhatsini wemsele, bese le wedge emkhatsini welipuleti lesango kanye nesihlalo se valve isetjentiswa kufeza kuvala (kuvala). Ipuleti le wedge lingaba lisango linye noma lisango leliphindvwe kabili.
Letindzawo tekuvala tevalve yesango lehambisanako tihambisana futsi ticondzile emgceni losemkhatsini wesiteshi, letihlukaniswe ngetinhlobo letimbili: ngendlela yekuvula kanye nangaphandle kwayo. Kukhona inkunzi lephindvwe kabili lenendlela yekucinisa, uma lenkunzi yehla, le wedge yetimvu letimbili letihambisanako isekelwa etulu esihlalweni se valve yindiza lethambekele, umzila wekugeleta uyajutjwa, uma lenkunzi ikhuphuka futsi ivuleka, le wedge ihlukaniswe nendzawo yekuhlangana kwenkunzi, lenkunzi ikhuphuka iye ku the certain the he the bo is, le wedge ikhuphuke. Uma le ram ishelela esihlalweni se valve eceleni kwetindzawo letimbili letihambisanako tesihlalo se valve, kucindzeteleka kwaleliketjezi kusetjentiswa kucindzetela le ram emtimbeni we valve eceleni kwekuphuma kwe valve kuvala le fluid.
Ngekuya kwekuhamba lokuhlukile kwesicu sevalve uma lisango livulwa futsi livalwa, emavalvu esango ahlukaniswe ngetigaba letimbili: emavalvu esango lesicu lesikhuphukako kanye nemavalvu esango lesicu lefihlekile. Sicu se valve kanye nesango le valve yesango lesicu lesikhuphukako kuyakhuphuka futsi kuwe ngesikhatsi sinye uma kuvulwa noma kuvalwa; uma levalve yesango lesicu lefihlekile ivulwa noma ivalwa, sicu sevalve sijikeleta kuphela, futsi kukhuphuka nekuwa kwesicu sevalve akubonakali, bese ipuleti levalve liyakhuphuka noma liwa. Inzuzo ye valve yesango lesicu lesikhuphukako kutsi kuphakama kwekuvulwa kwesiteshi kungagwetjwa ngekuphakama lokukhuphukako kwesicu se valve, kepha kuphakama lokuhlaliwe kungafinyetwa. Uma ubukene nelisondvo lesandla noma lesibambo, jika lisondvo lesandla noma lesibambo ngendlela yewashi kwentela kuvala ivalve.
2. Tikhatsi kanye netimiso tekukhetsa emavalvu esango .
01. Ivalvu yesango lelisicaba
Tikhatsi temavalvu esango lelisicaba:
(1) Emaphayiphi awoyela kanye negesi yemvelo. Emavalvu esango lesicaba lanetimbobo tekuphambukisa nawo alungele kuhlanta emaphayiphi.
(2) Emaphayiphi kanye netintfo tekugcina oyili locolisiwe.
(3) Tindzawo tekukhicita oyili kanye negesi yemvelo.
(4) Emaphayiphi lanetinhlayiya letimisiwe.
(5) Emaphayiphi ekudlulisela igesi yasedolobheni.
(6) Emaphrojekthi ekuniketa emanti.
Umtsetfo wekukhetsa ivalve yesango lelisicaba:
(1) Kumaphayiphi ekudlulisela oyili kanye negesi yemvelo, emavalvu esango lemapuleti lanemasango munye noma lamabili ayakhetfwa. Uma udzinga kuhlanta leliphayiphi, khetsa ivalve yesango lesicaba lenetindvuku letivulekile lene ram yinye kanye nembobo yekuphambukisa.
(2) Kuleliphayiphi lekutfutsa kanye nemishini yekugcina oyili locolisiwe, kukhetwa ivalve yesango lesicaba lenesango linye noma lamabili ngaphandle kwembobo yekuphambukisa.
(3) Kuba idivaysi port yekusebentisa oyili kanye negesi yemvelo, ivalve yesango lesicaba lenepuleti lelisango linye noma leliphindvwe kabili lenesitulo lesimnyama lesintantako sevalve kanye nembobo yekuphambukisa iyakhetfwa.
(4) Kumaphayiphi lanetinhlayiya letimisiwe, emavalvu esango lesicaba lamise kwemmese ayakhetfwa.
(5) Kumaphayiphi ekudluliswa kwegesi emadolobheni, lisango linye noma ipuleti lelisango leliphindvwe kabili lekuvala lokuthambile lokuvulekile kwendvuku levalve yesango lesicaba kuyakhetfwa.
(6) Kumaphrojekthi ekuniketa emanti, lisango linye noma ivalve yesango leliphindvwe kabili ngaphandle kwembobo yekuphambukisa ivalve yesango lelivulekile le-flat iyakhetfwa.
02. Ivalvu yesango le-wedge
Wedge gate valve isicelo tikhatsi: etinhlotjeni letehlukene valves, gate valve nguyona lesetjentiswa kakhulu, kuvame kuphela kufanelekile kuvulwa lokugcwele noma lokuvaliwe lokugcwele, akukwazi kusetjentiswa kulungisa kanye throttling.
Emavalvu esango le Wedge avame kusetjentiswa etindzaweni lapho khona kute tidzingo leticinile tetilinganiso tangephandle te valve, futsi timo tekusebentisa tilukhuni kakhulu. Sibonelo, indlela yekusebenta yekushisa lokusetulu kanye nekucindzeteleka lokusetulu kudzinga kutsi tincenye tekuvala tivalwe sikhatsi lesidze.
Ngalokuvamile, kusetjentiswa kwemfutfo lomkhulu, umfutfo lomkhulu wekusika (umehluko lomkhulu wemfutfo), umfutfo lomncane wekusika (umehluko lomncane wemfutfo), umsindvo lophansi, cavitation kanye nekuhwamuka, lokushisa lokusetulu lokusemkhatsini, lokushisa lokuphansi (cryogen), wedge gate valve kunconywa. Sibonelo, isetjentiswa kakhulu embonini yemandla agezi, kuncibilikisa iphethroliyamu, imboni yemakhemikhali ephethroli, oyili waselwandle, bunjiniyela bemanti empompi kanye nebunjiniyela bekuhlanta imfucuza ekwakhiweni kwemadolobha, kanye nemboni yemakhemikhali.
Umtsetfo wekukhetsa:
(1) Tidzingo tetimphawu te-fluid te-valve. Emavalvu esango akhetfwa ngetimo tekusebenta letinekumelana lokuncane kwekugeleta, emandla ekugeleta lacinile, timphawu letinhle tekugeleta kanye netidzingo tekuvala leticinile.
(2) Kushisa lokusezingeni leliphakeme kanye nekucindzeteleka lokusezingeni leliphakeme. Njengemphunga lonemfutfo lomkhulu, lokushisa lokusetulu kanye ne oyili lonemfutfo lomkhulu.
(3) Lokushisa lokuphansi (cryogen) lokusemkhatsini. Njenge-ammonia lesemantini, i-hydrogen lesemantini, i-oksijini lesemantini kanye naletinye tindlela tekusakata.
(4) Umfutfo lophansi kanye nebukhulu lobukhulu. Njengemaphrojekthi emanti empompi, emaphrojekthi ekuhlanta imfucuza.
(5) Emaphayiphi ekudlulisela igesi yasedolobheni.
(6) Emaphrojekthi ekuniketa emanti.
Umtsetfo wekukhetsa ivalve yesango lelisicaba:
(1) Kumaphayiphi ekudlulisela oyili kanye negesi yemvelo, emavalvu esango lemapuleti lanemasango munye noma lamabili ayakhetfwa. Uma udzinga kuhlanta leliphayiphi, khetsa ivalve yesango lesicaba lenetindvuku letivulekile lene ram yinye kanye nembobo yekuphambukisa.
(2) Kuleliphayiphi lekutfutsa kanye nemishini yekugcina oyili locolisiwe, kukhetwa ivalve yesango lesicaba lenesango linye noma lamabili ngaphandle kwembobo yekuphambukisa.
(3) Kuba idivaysi port yekusebentisa oyili kanye negesi yemvelo, ivalve yesango lesicaba lenepuleti lelisango linye noma leliphindvwe kabili lenesitulo lesimnyama lesintantako sevalve kanye nembobo yekuphambukisa iyakhetfwa.
(4) Kumaphayiphi lanetinhlayiya letimisiwe, emavalvu esango lesicaba lamise kwemmese ayakhetfwa.
(5) Kumaphayiphi ekudluliswa kwegesi emadolobheni, lisango linye noma ipuleti lelisango leliphindvwe kabili lekuvala lokuthambile lokuvulekile kwendvuku levalve yesango lesicaba kuyakhetfwa.
(6) Kumaphrojekthi ekuniketa emanti, lisango linye noma ivalve yesango leliphindvwe kabili ngaphandle kwembobo yekuphambukisa ivalve yesango lelivulekile le-flat iyakhetfwa.
02. Ivalvu yesango le-wedge
Wedge gate valve isicelo tikhatsi: etinhlotjeni letehlukene valves, gate valve nguyona lesetjentiswa kakhulu, kuvame kuphela kufanelekile kuvulwa lokugcwele noma lokuvaliwe lokugcwele, akukwazi kusetjentiswa kulungisa kanye throttling.
Emavalvu esango le Wedge avame kusetjentiswa etindzaweni lapho khona kute tidzingo leticinile tetilinganiso tangephandle te valve, futsi timo tekusebentisa tilukhuni kakhulu. Sibonelo, indlela yekusebenta yekushisa lokusetulu kanye nekucindzeteleka lokusetulu kudzinga kutsi tincenye tekuvala tivalwe sikhatsi lesidze.
Ngalokuvamile, kusetjentiswa kwemfutfo lomkhulu, umfutfo lomkhulu wekusika (umehluko lomkhulu wemfutfo), umfutfo lomncane wekusika (umehluko lomncane wemfutfo), umsindvo lophansi, cavitation kanye nekuhwamuka, lokushisa lokusetulu lokusemkhatsini, lokushisa lokuphansi (cryogen), wedge gate valve kunconywa. Sibonelo, isetjentiswa kakhulu embonini yemandla agezi, kuncibilikisa iphethroliyamu, imboni yemakhemikhali ephethroli, oyili waselwandle, bunjiniyela bemanti empompi kanye nebunjiniyela bekuhlanta imfucuza ekwakhiweni kwemadolobha, kanye nemboni yemakhemikhali.
Umtsetfo wekukhetsa:
(1) Tidzingo tetimphawu te-fluid te-valve. Emavalvu esango akhetfwa ngetimo tekusebenta letinekumelana lokuncane kwekugeleta, emandla ekugeleta lacinile, timphawu letinhle tekugeleta kanye netidzingo tekuvala leticinile.
(2) Kushisa lokusezingeni leliphakeme kanye nekucindzeteleka lokusezingeni leliphakeme. Njengemphunga lonemfutfo lomkhulu, lokushisa lokusetulu kanye ne oyili lonemfutfo lomkhulu.
(3) Lokushisa lokuphansi (cryogen) lokusemkhatsini. Njenge-ammonia lesemantini, i-hydrogen lesemantini, i-oksijini lesemantini kanye naletinye tindlela tekusakata.
(4) Umfutfo lophansi kanye nebukhulu lobukhulu. Njengemaphrojekthi emanti empompi, emaphrojekthi ekuhlanta imfucuza.
(5) Indzawo yekufakwa: lapho kuphakama kwekufakwa kulinganiselwe, i-valve yesango le-wedge ye-rod lemnyama iyakhetfwa; Uma kuphakama kungalinganiselwa, i-valve yesango le-wedge rod levulekile iyakhetfwa.
(6) Kuphela lapho ingavulwa ngalokuphelele noma ivalwe ngalokuphelele, futsi ingasetjentiswa kulungisa kanye nekucindzetela, i-valve yesango le-wedge ingakhetfwa.
3. Emaphutsa lavamile kanye nekunakekelwa
01. Emaphutsa lavamile kanye netizatfu temavalvu esango .
Ngemuva kwekutsi kusetjentiswe ivalve yesango, letinkinga letilandzelako tivame kwenteka ngenca yekushisa lokusemkhatsini, kucindzeteleka, kugcola kanye nekuhamba lokuhlobene kwekutsintsana ngamunye.
(1) Kuvuza: Kunetinhlobo letimbili, lokungukuvuza kwangaphandle kanye nekuvuza kwangekhatsi. Lokuvuza kuya ngaphandle kwe valve kubitwa ngekutsi kuvuza, futsi kuvuza kuvamile emabhokisini ekugcwalisa kanye nekuhlanganiswa kwe flange.
Sizatfu sekuvuza kwelibhokisi lekugcwalisa: tinhlobonhlobo noma lizinga lekupakisha alihlangabetani netidzingo; Kuguga kwekupakisha noma kugcoka kwesicu; Indlala yekupakisha lekhululekile Kukhukhumala ebusweni besicu.
Sizatfu sekuvuza kwekuxhumana kwe-flange: impahla noma ubukhulu be-gasket ayihlangabetani netidzingo; Lizinga lekucubungula lelibi lendzawo yekuvala ye-flange; kucinisa lokungakafaneli kwemabhawudi lahlanganisako; Le piping ayilungiswa kahle, lokuholela emithwalweni lengetiwe kakhulu emalungwini.
Imbangela yekuvuta kwangekhatsi kwevalve: Kuvuza lokubangelwa kuvalwa lokukhululekile kwevalve kuvuza kwangekhatsi, lokubangelwa kulimala kwendzawo yekuvala yevalve noma umsuka lokhululekile wendandatho yekuvala.
(1) Kugcola kuvame kubangelwa kugcola kwendzawo yekuvala yemtimba wevalvi, sivalo sevalvi, sicu sevalvi kanye ne-flange. Kugcola ikakhulukati ngenca yesento se medium, kepha nemphumela wekukhipha ema ions kusuka ku filler kanye ne gasket.
(2) Abrasion: kubhusha ebusweni bendzawo noma intfo lekhukhumalako leyenteka lapho inkunzi kanye nesihlalo sevalve kusesigabeni sekunyakata ngaphansi kwemfutfo lotsite wekutsintsana.
02. Kugcinwa kweemavalvu esango
(1) Kulungiswa kwekuvuta kwangaphandle kwevalve
Uma ucindetela kupakisha, le gland bolt kumele isetjentiswe ngendlela lelinganako kwentela kugwema kujika kwendlala bese kushiya igebe lekucindzeteleka. Ngesikhatsi lesifanako nekucindzetela lokupakisha, sicu sevalve kumele sijikeletwe kwenta kutsi lokupakisha lokutungelete sicu sevalve kufane, futsi kuvikele kucindzeteleka kutsi kungafi kakhulu, kwentela kutsi kungatsintsi kujikeleta kwesicu sevalve, kukhulise kugcoka kwekupakisha, futsi kufinyete imphilo yekusebenta. Lendzawo lesetulu yesicu se valve iyahlafuna, kwentela kutsi lendzawo lesemkhatsini ibe lula kuvuza, futsi kumele isetjentwe kwentela kucedza tibati letisetulu kwesicu se valve ngaphambi isetjentiswe.
Kuba kuvuza uxhumano flange, uma gasket ilimele, kufanele esikhundleni; Uma tintfo te gasket tingakhetfwa kahle, tintfo letingahlangabetana netidzingo tekusetjentiswa kumele tikhetfwe; Uma lizinga lekucubungula lendzawo yekuvala ye flange lingakalungi, lendzawo yekuvala ye flange kumele isuswe bese iyacubungulwa kabusha kuze kube ngulapho seyifanelekile.
Ngetulu kwaloko, kucinisa kahle emabhawudi e-flange, kucushwa kahle kwemaphayiphi, kanye nekugwema imithwalo lengetiwe kakhulu lapho kuhlangana khona i-flange konkhe kuvumelana nekuvikela kuvuza lapho kuhlanganiswa khona i-flange.
(2) Kulungisa kuvuza ngekhatsi kwevalve .
Kulungiswa kwekuvuza kwangekhatsi kucedza kulimala kwendzawo yekuvala kanye nekuvala lokukhululekile empandeni (uma indandatho yekuvala icindetelwa epuletini le valve noma esihlalweni ngentsambo). Uma lendzawo yekuvala icubungulwa ngco emtimbeni wevalve kanye nepuleti levalve, kute inkinga yemphandze lekhululekile kanye nekuvuta.
Uma indzawo yekuvala ilimele kakhulu, futsi indzawo yekuvala yakhiwa yindandatho yekuvala, indandatho lendzala kumele isuswe bese kufakwa indandatho lensha yekuvala; Uma lendzawo yekuvala yentiwa ngemshini ngco emtimbeni we valve, lendzawo yekuvala lelimele kumele isuswe kucala, bese indandatho lensha yekuvala noma lendzawo lefakwe ngemshini kumele igaywe ibe yindzawo lensha yekuvala. Uma imihuzuko, emabhubhu, kuchobosela, emagodzi kanye naletinye tici tendzawo yekuvala tingaphansi kwa 0.05mm, tingasuswa ngekugaya.
Uma indandatho yekuvala icindezelwe-ngekhatsi futsi ilungiswe, itheyiphu ye PTFE noma pende lemhlophe lendze ingabekwa phansi kwesihlalo sevalve noma umgodzi wendandatho yekuvala, bese icindetelwa kulendandatho yekuvala kwenta kutsi umsuka wendandatho yekuvala ugcwaliswe; Uma lesivalo sesifakwe imicu, i-PTFE tape noma pende lemhlophe kumele ibekwe emkhatsini walemicu kwentela kuvikela kutsi liketshezi lingavuti emkhatsini walemicu.
(3) Kulungiswa kwe .ivalvukugcola
Ngalokuvamile, umtimba wevalve kanye nebhonethi kugcoba ngendlela lefanako, kantsi sicu sevalve sivame kuba nemigodzi. Uma kulungiswa, imikhicito yekugcola kumele isuswe kucala, bese sicu se valve lesinemigodzi yekukhipha kumele sisetjentwe kule lathe kwentela kucedza kucindzeteleka, bese kupakisha lokucuketse i-ejenti lekhipha kancane kumele kusetjentiswe esikhundleni saloko, noma kupakisha kumele kuhlantwe ngemanti lahlungiwe kwentela kususa ema ions ekupakisha lanemphumela we corsi ku valve.
(4) Kulungiswa kwekuguga endzaweni yekuvala .
Ekusetjentisweni kwe .ivalvu, indzawo yekuvala kufanele ivikelwe kutsi ingagucuki ngendlela lekhonakala ngayo, futsi i-torque akukafaneli ibe yinkulu kakhulu uma ivalve ivaliwe. Uma indzawo yekuvala i-abrasive, ingaqedwa ngekugaya.
Kwesine, kutfolakala kwemavalvu esango .
Esimeni semakethe samanje kanye netidzingo temsebentisi, emavalvu esango lensimbi akhawunti incenye lenkhulu. Njengemhloli welizinga lemkhicito, ngetulu kwekujwayelana nekuhlolwa kwelizinga lemkhicito, kumele siphindze futsi sibe nekuvisisa lokuhle kwemkhicito wona ngekwawo.
01. Sisekelo sekuhlola emavalvu esango lensimbi .
Kuhlolwa kwevalve yesango lensimbi kususelwa esigabeni savelonkhe se-GB/T12232-2005 “Ivalve Levamile Yekuxhumana Kwe-Flange Yevalve Yesango Lensimbi”.
02. Tintfo tekuhlola emavalvu esango lensimbi .
Ikakhulu kufaka: limaki, lubondza loluncane, kuhlolwa kwekucindzeteleka, kuhlolwa kweligobolondvo, njll, lapho khona lubondza lolukhulu, kucindzeteleka, kuhlolwa kweligobolondvo kuyintfo ledzingekako yekuhlola, kepha futsi yintfo lebalulekile, uma kunetintfo letingahambisani, tingagwetjwa ngalokucondzile njengemikhicito lengakafaneleki.
Ngamafuphi, kuhlolwa kwelizinga lemkhicito kuyincenye lebalulekile yalo lonkhe kuhlolwa kwemkhicito, kubaluleka kwako kuyatibonakalisa, njengetisebenti tekuhlola letihamba embili, kumele sichubeke sicinise lizinga labo, hhayi kuphela kwenta umsebenti lomuhle ekuhloleni umkhicito, kepha futsi nekuba nekuvisisa kwekuhlolwa kwemikhicito, kute sente kancono inspection.
Tianjin Tanggu Ivalvu Yekuvala Emanti Inkampaniikakhulukati kukhicita lokucinile lokuhletiivalvu yevivane,Ivalvu yesango,Y-sisefo, ivalvu yekulinganisa, ivalvu yekuhlola, ivalvu yekulinganisa, sivimbela kugeleta emuva njll.
Sikhatsi sekuposa: Disemba-26-2024
