Ukuthenga ivalvu echasene nomhlwa uhlalutyo lobuchule bokuthatha ukuba uqonde iimpawu kunye noncedo lwevalve engcwatywe ngokuthe ngqo

Ukuthenga i-valve anti-corrosion technical factor analysis ukuba uqonde iimpawu kunye neenzuzo zevalve engcwatywe ngokuthe ngqo Uhlalutyo lwemiba yobugcisa yokuthenga i-valve anti-corrosion valves Ukuthengwa kwezinto ezicacileyo kuphela, iindidi, uxinzelelo lokusebenza ukuhlangabezana neemfuno zokuthengwa kwesenzo, kwimekobume yezoqoqosho yemarike yangoku ayigqibelelanga. Ngenxa yokuba abavelisi beevalvu ukwenzela ukhuphiswano lwemveliso, phantsi kwengcamango yoyilo lwevalvu edibeneyo, ukuveliswa kwezinto ezintsha ezahlukeneyo, bakha imigangatho yabo yoshishino kunye nobuntu bemveliso. Ngoko ke, kubaluleke kakhulu ukubeka phambili iimfuno zobugcisa ngokweenkcukacha xa kuthengwa iivalve, kwaye ulungelelanise nabavelisi ukufumana imvumelwano njengesihlomelo kwikhontrakthi yokuthengwa kwevalve. Iimfuno ngokubanzi 1.1 Inkcazo yevalvu kunye neendidi ziya kuhlangabezana neemfuno zamaxwebhu oyilo lombhobho. 1.2 Imodeli yevalvu iya kuboniswa ngokweemfuno zenani lomgangatho wesizwe. Ukuba umgangatho weshishini, kufuneka ubonise inkcazo efanelekileyo yemodeli. 1.3 Uxinzelelo olusebenzayo lwevalve lufuna uxinzelelo olusebenzayo lombhobho. Kwisiseko sokungachaphazeli ixabiso, uxinzelelo olusebenzayo olunokuthi luthwale i-valve lufanele lube lukhulu kunoxinzelelo lwangempela lokusebenza lombhobho; I-valve evaliweyo imeko nayiphi na icala kufuneka ikwazi ukumelana namaxesha e-1.1 i-valve yokusebenza kwexabiso loxinzelelo ngaphandle kokuvuza; Imeko evulekileyo yevalvu, umzimba wevalvu kufuneka ukwazi ukumelana neemfuneko zoxinzelelo lwevalvu kabini. 1.4 Umgangatho wokwenziwa kwevalvu kufuneka uchazwe ngokwenombolo yomgangatho wesizwe. Ukuba umgangatho weshishini usetyenziswa, uxwebhu lweshishini kufuneka luncanyathiselwe kwimvumelwano yokuthenga. Umgangatho wevalvu esemgangathweni 2.1 Isixhobo somzimba siya kuba yintsimbi yentsimbi, kwaye inombolo yebrand kunye neyona datha yovavanyo lomzimba kunye nekhemikhali yentsimbi etyhidiweyo iya kuboniswa. 2.2 Izinto ze-Stem, zama ukuba ne-stainless steel stem (2CR13), i-valve enkulu yobubanzi kufuneka ibe yintsimbi edibeneyo edibeneyo. 2.3 Impahla ye-nut yenziwe nge-aluminiyam yobhedu okanye i-aluminiyam yobhedu etyhidiweyo, kwaye ukuqina kunye nokomelela bukhulu kunobo besikhondo sevalvu. 2.4 Ukuqina kunye nokomelela kwesixhobo sesihlahla somthi akusayi kuba sikhulu kunoko kwesiqu, kwaye akusayi kwenza ukuthotywa kwe-electrochemical kunye nesiqu kunye nomzimba wevalvu phantsi kwemeko yokuntywiliselwa emanzini. 2.5 Isixhobo somphezulu wokutywina: ① Iindidi zevalvu zahlukile, iindlela zokutywina kunye neemfuno zezinto zahlukile; (2) ivelufa eqhelekileyo yesango, intsimbi yobhedu, indlela yokulungisa, indlela yokusila kufuneka ichazwe; (3) Ivalve yesango lokutywina ethambileyo, ikhemistri ebonakalayo kunye nedatha yovavanyo lwempilo yesixhobo serabha esifakwe kwipleyiti yesivalo; ④ Ivalve yebhabhathane kufuneka imakishwe ngezinto ezitywinayo kumphezulu wevalvu kunye nesixhobo somphezulu sokutywina kwipleyiti yebhabhathane; Idatha yabo yokuvavanya umzimba kunye neekhemikhali, ngakumbi iimfuno zococeko zerabha, ukumelana nokuguga, ukumelana nokunxiba; Idla ngokusetyenziswa irabha ye-butyl kunye nerabha ezintathu ze-ethylene propylene, njl. 2.6 Ukupakishwa kweshaft yevalve: ① Ngenxa yokuba ivalve kuthungelwano lombhobho idla ngokuvulwa kwaye ivalwe rhoqo, ukupakishwa kufuneka kungasebenzi iminyaka eliqela, ukupakishwa akugugi, kwaye isiphumo sokutywinwa sigcinwa ixesha elide; ② Ukupakishwa kwe-valve shaft kufuneka kwakhona kube phantsi kokuvulwa nokuvala rhoqo, isiphumo esihle sokutywinwa; (3) Ngenxa yezi mfuno zingasentla, isivalo sevalvu yokupakishwa kweshafu sizame ukungatshintshwa okanye singatshintshwa ngaphezu kweminyaka elishumi; ④ Ukuba ukupakishwa kufuna ukutshintshwa, uyilo lwevalve kufuneka luthathele ingqalelo amanyathelo okutshintsha phantsi koxinzelelo lwamanzi. Ibhokisi ye-speed drive eguquguqukayo 3.1 Isixhobo somzimba kunye neemfuno ze-anticorrosion zangaphakathi nangaphandle zihambelana nomgaqo womzimba we-valve. 3.2 Ibhokisi iya kuba nemilinganiselo yokutywina, kwaye ibhokisi iya kukwazi ukumelana nokuntywiliselwa kweemitha ezi-3 zekholamu yamanzi emva kokudibanisa. 3.3 Isixhobo somda wokuvula kunye nokuvala kwi-box body, i-nut yokulungelelanisa kufuneka ibe kwibhokisi okanye ngaphandle kwebhokisi, kodwa idinga i-** isixhobo sokusebenza. 3.4 Uyilo lwesakhiwo sothumelo lufanelekile. Xa uvula kwaye uvala, i-valve shaft inokuqhutyelwa kuphela ukujikeleza, ngaphandle kokuyenza inyuke kwaye ihle. Ukulunywa kweengxenye zokuhambisa kumodareyitha, kwaye i-slip yokwahlukana xa uvula kwaye uvala ngomthwalo awuveliswanga. 3.5 Ibhokisi yothumelo lwesantya eguquguqukayo kunye nevalve shaft yokutywina ayisayi kudityaniswa kwindawo engavuziyo, kungenjalo amanyathelo athembekileyo okuthintela ukuvuza kufuneka athathwe. 3.6 Akukho mahluko kwibhokisi, kwaye indawo yokuluma yegiya kufuneka ikhuselwe ngamafutha. Indlela yokusebenza yevalve 4.1 Xa ivalve isebenza, indlela yokuvula kunye nokuvala kufuneka ihambe ngewotshi. 4.2 Ngenxa yokuba i-valve kumnatha wombhobho ivame ukuvulwa ngesandla kwaye ivalwe, ukujikeleza kokuvula nokuvala akufanele kube kuninzi, nokuba i-valve enkulu yobubanzi kufuneka ibe ngaphakathi kwe-200-600. 4.3 Ukuze kuququzelelwe ukuvulwa nokuvala ukusebenza komntu omnye, owona mzuzu uphezulu wokuvula nokuvala kufuneka ube yi-240N-m phantsi kwemeko yoxinzelelo lwemibhobho yamanzi. 4.4 Isiphelo sevalvu yokuvula nokuvalwa kufuneka sisikweri kunye ne-tenon, enobukhulu obulinganayo, kwaye sijonge phantsi, ukuze abantu bakwazi ukusebenza ngokuthe ngqo emhlabeni. Ivalve enevili ayifanelekanga kuthungelwano lombhobho ongaphantsi komhlaba. 4.5 Ipleyiti yokubonisa yevalvu yokuvula kunye nenqanaba lokuvala: ① umgca wesikali wokuvula ivalve kunye nenqanaba lokuvala kufuneka uphoswe kwisigqubuthelo sebhokisi yegiya okanye iqokobhe lepleyiti yokubonisa emva kokutshintsha kwendlela, yonke ijonge emhlabeni, kunye nomgca wesikali kufuneka ibrashi ngephosphor ukubonisa ukutsala amehlo; (2) Izinto eziphathekayo zenaliti yepleyiti yesalathisi zingasetyenziselwa kwimeko yolawulo olungcono lweplate yensimbi engenasici, ngaphandle koko ifakwe ipeyinti yentsimbi, ungasebenzisi ukuveliswa kwesikhumba se-aluminium; ③ Ukubonisa inaliti ye-disc ukubamba amehlo, igxininise ngokuqinileyo, emva kokuba ulungelelwaniso lokuvula kunye nokuvala luchanekile, kufuneka luvalwe ngeerivets. 4.6 Ukuba isivalo singcwatywe nzulu kwaye isixhobo sokusebenza kunye nephaneli yokubonisa zikude nge-1.5m ukusuka emhlabeni, indawo yentonga eyandisiweyo kufuneka ibonelelwe kwaye ilungiswe ngokuqinileyo ukuze abantu baqwalasele kwaye basebenze ukusuka emhlabeni. Oko kukuthi, inethiwekhi yombhobho kwi-valve yokuvula kunye nokusebenza kokuvala, kungekhona phantsi kokusebenza kakuhle. Uvavanyo lwentsebenzo yevalvu 5.1 Xa iinkcukacha zesivalo ziveliswa ngokweebhetshi, oku kusebenza kulandelayo kufuneka kuvavanywe ngumbutho ogunyazisayo: ① umzuzu wokuvula nokuvalwa kwevalvu phantsi koxinzelelo lokusebenza; ② phantsi kwemeko yoxinzelelo lwamashishini, inokuqinisekisa ukuvuleka okuqhubekayo kunye namaxesha okuvala ivalve ivalwe ngokuqinileyo; (3) Ivalufa kumbhobho phantsi kwemeko yokufunyanwa kwe-coefficient yokumelana nokuhamba kwamanzi. 5.2 Ivalve iya kuvavanywa ngolu hlobo lulandelayo phambi kokuba iphume kumzi-mveliso: ① Ivalve iya kuthwala uvavanyo lwangaphakathi loxinzelelo oluphindwe kabini kwixabiso loxinzelelo lokusebenza lwevalvu xa kuvulwa isivalo; ② Ngaphantsi kwemeko evaliweyo yevalve, macala omabini athwala i-1.1 amaxesha exabiso loxinzelelo lwevalve, akukho kuvuza; Kodwa metal seal butterfly valve, ukuvuza ixabiso akukho mkhulu kuneemfuno ezifanelekileyo. Ukhuseleko lomhlwa lwangaphakathi nangaphandle lwevalvu 6.1 Ngaphakathi nangaphandle komzimba wevalve (kubandakanywa ibhokisi yokuhambisa isantya esiguqukayo), into yokuqala kufuneka kudutyulwe ukuqhushumba, ukususwa kwentlabathi kunye nokususwa komhlwa, sizame ukutshiza nge-electrostatic powder non-toxic epoxy resin, ubukhulu obungaphezu 0.3mm. Xa kunzima ukutshiza i-electrostatic epoxy resin engeyotyhefu kwiivalvu ezingaphezulu, ipeyinti efanayo ye-epoxy efana nayo kufuneka ibrashwe kwaye itshizwe. 6.2 Umphakathi womzimba wevalvu kunye nawo onke amalungu epleyiti yevalvu kufuneka athintele ukubola. Ngakolunye uhlangothi, ayiyi kugqwala xa intywiliselwa emanzini, kwaye ayiyi kuvelisa i-electrochemical corrosion phakathi kweentsimbi ezimbini; Imiba emibini yendawo egudileyo yokunciphisa ukuxhathisa kwamanzi. 6.3 Kwiimfuno zococeko ze-anti-corrosion epoxy resin okanye ipeyinti kumzimba wevalvu, ingxelo yokuhlolwa kwegunya elihambelanayo iya kubonelelwa. Iipropati zekhemikhali kunye nezomzimba ziya kuhlangabezana neemfuno ezifanelekileyo. Ukupakishwa kweValve kunye nokuthutha 7.1 Amacala omabini evalve aya kutywinwa ngeepleyiti zokuthintela ukukhanya. 7.2 Iivalvu eziphakathi nezincinci kufuneka zibotshwe ngentambo yengca kwaye zihanjiswe ngezikhongozeli. 7.3 Iivalvu ezinkulu zedayamitha zikwanazo nesakhelo somthi esilula sokupakishwa okuqinileyo ukunqanda umonakalo ngexesha lothutho. 8. I-valve yomyalelo wefektri Iivalvu zizixhobo, imiyalelo yefektri kufuneka ibonise le datha ilandelayo efanelekileyo: iinkcukacha zevalve; imodeli; Uxinzelelo lokusebenza; Umgangatho wokuvelisa; Izixhobo zomzimba; Isixhobo se-valve; Izinto zokutywina; Izinto zokupakisha i-valve shaft; Isixhobo somkhono we-valve; Izinto ezichasene nokubola kwangaphakathi nangaphandle; Umkhombandlela wokuqalisa umsebenzi; Iinguqu; Ukuvula kunye nomzuzu wokuvala phantsi koxinzelelo lokusebenza; Igama lomenzi; Umhla wokuziswa; inombolo yesiriyeli yefektri; Ubunzima; Imbobo, inombolo yomngxuma, umgama ophakathi komngxuma odibanisa iflange; Imilinganiselo yolawulo yobude, ububanzi kunye nobude bubonke bubonakaliswe ngegraphic; I-Coefficient yokumelana ne-valve; Amaxesha asebenzayo okuvula nawokuvala; Idatha efanelekileyo yokuhlolwa kwemizi-mveliso yesivalo kunye nemiba efuna ingqwalasela kufakelo nokugcinwa. Thatha ukuba uqonde iimpawu kunye noncedo lwevalve engcwatywe ngokuthe ngqo kunye nohlengahlengiso kunye nophuhliso lokwakhiwa kwedolophu, engcwatywe phantsi kwendlela yeentambo ezahlukeneyo kunye nemibhobho yonyuka ngokuthe ngcembe, ixinene, kunzima ukuyihlela. Ufakelo lwemveli lweevalvu zothungelwano lwemibhobho lukwivalve emthonjeni endleleni. Xa impembelelo yokugquma igquma, yenza ingxolo, kaninzi ayikwazi ukugungxula isiboniso sevalve ngaphezulu kunye nendlela, ichaphazela isiphithiphithi sokuhamba kwezithuthi, kunye nefuthe lembonakalo yomhlaba yedolophu, izigqubuthelo zemingxuma ezibiwa rhoqo, ziya kubangela ukwenzakala komntu, ukonakala kwesithuthi, okufana noko. iingozi zokhuseleko, ufakelo olungcwatywe ngokuthe ngqo lunokuziphepha ezi ngxaki, nalo luya kusindisa utyalo-mali. Ngokuhlengahlengiswa kunye nophuhliso lolwakhiwo lwasezidolophini, iintambo ezahlukeneyo kunye nemibhobho engcwatywe phantsi kweendlela ziya zisanda, ezixineneyo kwaye kunzima ukuzilungiselela. Ufakelo lwesiqhelo lweevalvu zothungelwano lwemibhobho lukwivalve emthonjeni endleleni. Xa impembelelo yokugquma igquma, yenza ingxolo, kaninzi ayikwazi ukugungxula isiboniso sevalve ngaphezulu kunye nendlela, ichaphazela isiphithiphithi sokuhamba kwezithuthi, kunye nefuthe lembonakalo yomhlaba yedolophu, izigqubuthelo zemingxuma ezibiwa rhoqo, ziya kubangela ukwenzakala komntu, ukonakala kwesithuthi, okufana noko. iingozi zokhuseleko, ufakelo olungcwatywe ngokuthe ngqo lunokuziphepha ezi ngxaki, nalo luya kusindisa utyalo-mali. Kumazwe aphuhlisiwe amashishini angaphandle, i-valve yenethiwekhi yombhobho sele yamkele indlela yokungcwaba ngokuthe ngqo, apho ihlangabezana neemfuno ezisemgangathweni zevalve yesango, inokungcwatywa ngokuthe ngqo ngaphandle kwevalve kakuhle. Ukwahlula Ivalve engcwatywe ngokuthe ngqo inokungcwatywa ngokuthe ngqo emhlabeni, ngaphandle kokuhlolwa kwesakhiwo Imithombo, ukunciphisa indawo yokwembiwa kwendlela. Igumbi elincinci lomthombo linokugcina umphezulu wendlela mhle, ukunciphisa ubunzima bokwakha, konga iindleko zeprojekthi. Ivalve yesango elithambileyo engcwatywe ngokuthe ngqo yahlulwe yaba ziindidi ezimbini zeteleskopu kunye nokulungiswa kakuhle okusisigxina, okuluhlobo lweteleskopu kunye neplastiki yesinyithi. Kwinkqubo yokwakha, uhlobo lwe-telescopic lunokulungelelaniswa ngokungaqhelekanga kuluhlu olubanzi ngokomgama phakathi kobunzulu obungcwatywe ivelufa kunye nomhlaba, kunye nohlobo olulungisiweyo oluchanekileyo lunokulungiswa kancinci kwisiza. Ivalve engcwatywe ngokuthe ngqo kwi-flow resistance incinci, ijelo eliphakathi langaphakathi lomzimba wevalve lithe tye, i-medium flowing kumgca othe ngqo, ukuxhathisa ukuhamba kuncinci. Ukongezelela, ukuvulwa kunye nokuvalwa kwezinto eziguquguqukayo ngakumbi, xa kuthelekiswa ne-valve yeglobhu, nokuba ivulekile okanye ivaliwe, isalathiso sokuhamba kwesango si-perpendicular ukuya kwindlela yokuhamba okuphakathi. inzuzo Indawo yokuhlala endala inendawo yokuhlala ehlwempuzekileyo, abantu abaninzi, kunye neendawo zokuhlala ezigqibeleleyo. Kwangaxeshanye, kukho iindawo ezininzi zokusebenzisa irhasi ngendlela engafanelekanga. Ukuguqulwa kothungelwano lwemibhobho yegesi kunempembelelo enkulu ekusebenziseni igesi yokuhamba kwabahlali kunye nobomi bemihla ngemihla. Ukuqinisekisa ukhuseleko lonikezelo lwerhasi yangaphakathi kwaye uthintele ingxaki yokuba ivalve yokungena kwegesi isetiwe kwigumbi labasebenzisi bendawo yokuhlala kwaye ayinakuvalwa kwangethuba kwimeko yongxamiseko, ivalve yokungena kwegesi yezakhiwo zokuhlala kufuneka ibekwe ngaphandle. isakhiwo. Kukho iindlela ezimbini: ***, ibhokisi yokukhusela ivalve yangaphandle kufuneka ibekwe xa i-gas inlet yaziswa emhlabeni; Okwesibini, i-valve engcwatywe ngokuthe ngqo isetwa xa i-underground ingeniswa. Xa isakhiwo sokuhlala singenayo imiqathango yokumisela ibhokisi yokukhusela i-valve yangaphandle, i-valve engcwatywe ngokuthe ngqo inokusetwa kumbhobho wokungena ongcwatywe phambi kwesakhiwo njengevalve yokungena. I-valve engcwatywayo kufuneka ibe nokusebenza kakuhle kwe-anti-corrosion, ubomi benkonzo akufanele bube buphantsi kunobomi benkonzo yombhobho wegesi, kwaye kufuneka ibe nomsebenzi wokugcinwa kwamahhala kumjikelo wobomi, kwaye ukhuseleko lwayo oluxhasayo ukusetyenziswa kakuhle kunomsebenzi wokulwa nobusela. Ivalve engcwatywe ngokuthe ngqo inokwandisa ulawulo lweyunithi yokulawula ukusebenza kwegesi kubasebenzisi kwaye ikhulise amandla okujongana neemeko zikaxakeka.