Ukuseta ivalve esisiseko kuza ngokukhawuleza kunye nelogo yomqokeleli wevalve kunye nepeyinti yokuchonga

Ukuseta ivalve esisiseko kuza ngokukhawuleza kunye nelogo yomqokeleli wevalve kunye nepeyinti yokuchonga Ukuseta iValve kunye nokukhethwa kohlobo olufanelekileyo (hayi imodeli). Iivalvu ziyinxalenye ebalulekileyo yomsebenzi weengcali zenkqubo yenkqubo xa ulungiselela imizobo yePI. Umxholo ochazwe kulo mmiselo uthatha ingqalelo kwiimfuno eziqhelekileyo zemveliso kunye nokhuseleko. Xa usenza uyilo lobunjineli ngokubhekisele kule mimiselo, inkqubo yobuchwephesha iya kwenza ukhetho olusekwe kwimeko ethile yeprojekthi, iimeko zemozulu yendawo, intsebenziswano phakathi kweefektri, iimfuno zokusebenza kwesixhobo, iimpawu zolwelo, iimfuno ezikhethekileyo zabasebenzisi kunye noqoqosho, njl. . Lo mmiselo ukwazisa iimpawu zeevalvu zoshishino jikelele kunye nezinto eziza kuqwalaselwa ekukhethweni kweevalvu kuyilo lobunjineli 1. Izibonelelo zisebenza kwiinkqubo ezinkulu zenkqubo yeekhemikhali. Ivalve ekhankanyiweyo ayibandakanyi ivelufa yokhuseleko, isivalo somphunga, ivalve yesampulu kunye ivelufa yokunciphisa uxinzelelo, kodwa ibandakanya ipleyiti ethintela ukuqukuqela kwe-orifite, ipleyiti eyimfama kunye nezinye izifakelo zemibhobho ezinemisebenzi efanayo nevalve, kunye nevalve yokusika njengesiqhelo. Igama lala malungu evalvu. Umsebenzi we-valve yokunqunyulwa kwe-valve isetyenziselwa ukunqumla i-fluid okanye ukwenza utshintsho lwe-fluid ulwalathiso lokuhamba, ngokwemveliso (kubandakanywa nokuveliswa okuqhelekileyo, ukuvula nokuvala kunye neemeko ezikhethekileyo zokusebenza), iimfuno zokugcina kunye nokhuseleko kunye nezicwangciso; kodwa kananjalo kuqwalaselwe ukuba sengqiqweni koqoqosho. Ukuseta iValve kunye nokukhetha uhlobo olufanelekileyo (hayi imodeli). Iivalvu ziyinxalenye ebalulekileyo yomsebenzi weengcali zenkqubo yenkqubo xa ulungiselela imizobo yePI. Umxholo ochazwe kulo mmiselo uthatha ingqalelo kwiimfuno eziqhelekileyo zemveliso kunye nokhuseleko. Xa usenza uyilo lobunjineli ngokubhekisele kule mimiselo, inkqubo yobuchwephesha iya kwenza ukhetho olusekwe kwimeko ethile yeprojekthi, iimeko zemozulu yendawo, intsebenziswano phakathi kweefektri, iimfuno zokusebenza kwesixhobo, iimpawu zolwelo, iimfuno ezikhethekileyo zabasebenzisi kunye noqoqosho, njl. Lo mmiselo wazisa ngokubanzi nangokuphangaleleyo ukusetwa kwevalvu kwiimeko ezidwelisiweyo kunye neemfuno ezineenkcukacha zeeyunithi zekhemikhali ezahlukeneyo. Bona imowudi yeyunithi esisiseko yeyunithi ehambelana nomzobo wePI. Lo mmiselo ukwazisa iimpawu zeevalvu zoshishino jikelele kunye nezinto eziza kuqwalaselwa ekukhethweni kweevalvu kuyilo lobunjineli. 2. Ukuseta iValve iValve isetwe kumda Isixhobo senkqubo kunye nemibhobho yezinto eziqhelekileyo ziya kunqunyulwa kumda wesityalo (ngokuqhelekileyo ngaphakathi kwendawo yomda wesityalo) Ikhefu levalve, ngaphandle kwezi meko zilandelayo: (1) Inkqubo yokuphuma. (2) umbhobho wokukhupha xa i-chute yokukhupha ngexesha likaxakeka ingaphandle komda; Ukuba iivalve kufuneka zisekwe kwezi meko zimbini, ukutywinwa kwelothe kuyafuneka kwakhona ukuze uvule (CSO) (3) umbhobho wesixhobo ongayi kubangela intambo kunye neengozi. (4) ityhubhu yezinto eziphathekayo ngaphandle komlinganiselo. IKHIWANE. 2.0.1 ukuseta ivalvu kumda Iivalufa kumda zisetwe ngeendlela ezininzi njengoko kubonisiwe kuMfanekiso 2.0.1. Apho (1) kusebenza kwizinto eziqhelekileyo Sikiwe; Kwimeko yeengozi zokhuseleko ezifana nomlilo okanye iingozi ezibalulekileyo zemveliso ezibangelwa yintambo yezinto eziphathekayo, iiplati ezingaboniyo kufuneka zongezwe kwi-FIG. 2.0.1 ukuthintela ukuvuza kwangaphakathi kwevalve. (3) kunye (5) kwi-FIG. 2.0.1 zilungele ukutshayela umgca onyukayo okanye osezantsi emva kokutyiswa. I-Valve A ingasetyenziselwa ukuhlanjululwa, ukucoca, ukukhangela ukuvuza, okanye imitha yokuvavanya ingafakwa phakathi kweevalve ezimbini kuthotho. (5) kwi-Figure 2.0.1 iyasebenza apho utshintsho loxinzelelo lunokuthi lube lukhulu kwaye ivalve yokutshekisha isebenza njengokunqunyulwa kwangoko. Ukusetwa kwevalve yeengcambu Xa isixhobo esiphakathi sifuna ukuthuthwa kubasebenzisi abangaphezu komnye, ukuze kube lula ukugcinwa okanye ukonga amandla, ukunqanda ukukhenkceza, ukongeza kwisixhobo esincanyathiselwe Ukongeza kwivalve yokusika, ivalve yokusika. ebizwa ngokuba yi-root valve ifakwe kumbhobho wesebe kufutshane nombhobho oyintloko. Isetyenziswa ngokuqhelekileyo kwiinkqubo zezinto eziqhelekileyo (umz. umphunga, umoya ocinezelweyo, initrogen, njl.). Ulungiselelo olufanayo luyafuneka xa inkqubo yenkqubo isetyenziselwa abasebenzisi abaninzi (umz. izinyibilikisi). Ivalve eboniswe kuMfanekiso 2.0.2 yivalve yeengcambu. Kwiimfuno ze-antifreeze zokonga amandla, umgama phakathi kwevalve yeengcambu kunye nomphathi kufuneka ube mncinane kangangoko. Umfanekiso 2.0.2 Umzobo 2.0.2 Umzobo ocwangcisiweyo wevalvu yokuseta Iivalvu zeengcambu kufuneka zifakwe kuyo yonke imibhobho yesebe yemibhobho yezinto eziqhelekileyo kwiplanti yekhemikhali ukunqanda ukonakaliswa kweValve nganye ebangela ukuvalwa kweplanti okanye kweplanti. Umphunga kunye nemibhobho yamanzi engaphezulu, nakwisityalo esinye okanye isixhobo esinye, xa umbhobho wesebe udlula ubude obuthile, kufuneka kwakhona ukongeza ivalve yeengcambu ukunciphisa indawo efileyo, ukunciphisa ukusetyenziswa kwamandla, ukuthintela umkhenkce. Izixhobo ezibini okanye ngaphezulu ezincedisayo zomphunga kufuneka zimiselwe ngokokubaluleka kokuveliswa kwevalve yeengcambu zesebe. Ivalve yengcambu yombhobho wesebe wezinto eziqhelekileyo zisetwa yingcali yombhobho ekuyilweni koyilo lwemibhobho, kwaye inkqubo yenkqubo yobuchwephesha idinga ukujonga ukuba isebe lifanelekile. Kwaye i-valve yengcambu imelwe kwi-PI ye-PI (diagram yokusabalalisa). Ivalve ephindwe kabini Irhasi yepetroleum enyibilikisiweyo, enokutsha, eyityhefu kunye nolwelo oluxabisekileyo kunye nolunye ulwelo oludlaka kakhulu, olufana neasidi eyomeleleyo, i-caustic soda kwaye ineemfuno ezizodwa (ezifana nevumba elibi elibangele ungcoliseko olumandla kokusingqongileyo) itanki eliphakathi, kunye nomgca ongezantsi. kwezinye izixhobo, kungakhathaliseki ukuba kufuphi nezinye izixhobo zevalve kunye nevalve emibini kufuneka ifakwe kuthotho (ivalve ephindwe kabini), Enye yazo kufuneka igqunywe kwimilomo yetanki. Xa umthamo wetanki yokugcina umkhulu okanye ukude, ivalve ingcono ivelufa yokulawula kude. Ukunciphisa inani leevalvu, dibanisa imibhobho emininzi kwindawo enye njengoko kubonisiwe kwi-FIG. 2.0.3--1 ukuba umsebenzi uyavuma. I-valve yokukhupha i-container equlethe imidiya ekhankanywe ngasentla iya kuba yi-valve kabini, njengoko kuboniswe kuMzobo 2.0.3-1. I-JB / T 106-2004: ubungakanani obuqhelekileyo (i-DN), ikhowudi yoxinzelelo okanye ikhowudi yoxinzelelo yokusebenza, uphawu lwezinto eziphathekayo okanye ikhowudi, igama lomenzi okanye uphawu lokuthengisa, inombolo yesithando somlilo (ivalve yokuphosa) iya kuphawulwa ixesha elide kumphezulu womzimba wevalve yoxinzelelo ukuba GB/T 12220-1989. Iivalvu ezineemfuno zendlela yokuhamba kufuneka ziphawulwe ngotolo oluphakathi. Enye, iprojekthi yelogo yevalve ngokubanzi Ngokwe-GB/T 12220 "I-valve Mark Mark", ivalve ngokubanzi mayisetyenziswe kwaye ngokuzikhethela izinto zamanqaku zimi ngolu hlobo lulandelayo: uphawu lweprojekthi uphawu lweprojekthi 1 Ubukhulu begama (DN) 11 Nom. 2 Uxinzelelo oluqhelekileyo (PN) 12 Inombolo yobushushu 3 Ikhowudi yezinto eziphathekayo kumacandelo acinezelekileyo 13 Ikhowudi yezinto zangaphakathi 4 Igama okanye uphawu lokuthengisa lomenzi 14 Indawo, 5 Utolo oluphakathi lokuhamba 15 Ikhowudi yezinto zelinen 6 Iringi yokutywina (gasket) ikhowudi 16 Umgangatho kunye nokumakishwa kovavanyo 7 Ubushushu bomda 17 Uphawu lomhloli 8 Ikhowudi yomsonto 18 Unyaka wokuvelisa, inyanga 9 Uxinzelelo olugqithisileyo 19 Iimpawu ezihambayo 10 I-Factory No. 2. Iindlela zokumakisha 1. Phawula umxholo we-JB / T 106-2004: ubungakanani obuqhelekileyo (DN), ikhowudi yoxinzelelo okanye uxinzelelo lokusebenza ikhowudi, uphawu lwezinto eziphathekayo okanye ikhowudi, igama lomenzi okanye uphawu lokuthengisa, inombolo yesithando somlilo (ivalve yokuphosa) iya kuphawulwa kumphezulu womzimba wevalve yoxinzelelo ngokwe-GB/T 12220-1989. Iivalvu ezineemfuno zendlela yokuhamba kufuneka ziphawulwe ngotolo oluphakathi. 2. Iindlela zokumakisha i-GB/T 12220-1989: iivalvu ezinobukhulu obuqhelekileyo okanye obulingana ne-DN50 kufuneka ziphawulwe ngobungakanani begama (DN), uxinzelelo lwegama (PN), umqolo wezinto okanye inombolo yekhowudi yamacandelo acinezelekileyo, igama lomenzi okanye uphawu lokuthengisa. , inombolo yesithando somlilo (i-casting) iya kuphawulwa kumzimba wevalvu. Kwiivalvu ezinobungakanani obungaphantsi kwe-DN50, amanqaku amane angasentla aya kuphawulwa kumzimba wevalvu okanye kwi-nameplate njengoko kuchaziwe ngumyili. Xa uxinzelelo lwegama lophawu lokuphosa lomzimba we-valve lusekwe ngaphantsi kwexabiso lobungakanani begama, uxinzelelo lwegama aluyi kufakwa kwikhowudi "PN". I-GB/T 12220-1989 icacisa i-medium flow arrow, i-seal ring (pad) ikhowudi kuphela xa ichazwe kumgangatho othile wevalve kufuneka imakishwe kumzimba wevalve kunye neflange ngokulandelanayo. Ukuba akukho malungiselelo akhethekileyo kwi-GB/T 12220-1989, izinto ze-7 --19 kwitheyibhile engentla ziyimpawu ezikhethiweyo zokusetyenziswa kwimfuno. Phawula kumzimba wevalvu okanye kwipleyiti yegama njengoko kufuneka. I-GB/T 12220-1989 ibonelela ukuba ukuba ubungakanani besondo lesandla bukhulu ngokwaneleyo, ivili lesandla kufuneka linikezwe ngotolo olubonisa indlela yokuvala ivalve okanye isicatshulwa esongezelelweyo "sokucima". I-JB / T 106-2004: umzimba we-valve ngokuphosa okanye indlela yokufa, i-logo yayo kufuneka iphoswe okanye iphoswe kumzimba wevalve ngexesha elifanayo. Xa imilo umzimba ngokufa forging indlela, logo yayo ukongeza emzimbeni kwangaxeshanye die forging okanye die casting, nako ukuphawulwa emzimbeni ngendlela embossing. Xa ubume bomzimba wevalve bucutshungulwa ngokubumba, umbhobho wentsimbi okanye ipleyiti yentsimbi eqengqelekayo ukwenza i-welding, uphawu lwalo ukongeza ekubunjweni kwendlela yokufaka i-embossing, kodwa ingasetyenziswa nangezinye iindlela ezingachaphazeli ukusebenza komzimba wevalve. . Indawo yokumakisha kunye nobukhulu bamanqaku LJB /T 106-2004 umgaqo: umxholo wokumakisha, kufuneka uphawulwe kumzimba weendawo ezibonakala lula. Iimpawu ziya kuboniswa kangangoko kumbindi womgca wombindi wependicular.