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 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 ukwazisa iimpawu zeevalvu zoshishino jikelele kunye nezinto eziza kuqwalaselwa ekukhethweni kweevalvu kuyilo lobunjineli.
1. Izibonelelo zisebenza kwii-chemical process majors. 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 ezahlukeneyo zekhemikhali. 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 ibekwe kumda
Izinto zenkqubo kunye nemibhobho yezinto eziqhelekileyo ziya kusikwa kumda wesityalo (ngokuqhelekileyo ngaphakathi kwendawo yomda wesityalo)
Ukuqhawuka kwevalvu, ngaphandle kwezi meko zilandelayo:
(1) Inkqubo yokukhupha umoya.
(2) umbhobho wokukhupha xa i-chute yokukhupha ngexesha likaxakeka ingaphandle komda; Ukuba iivalvu kufuneka zisetwe kwezi meko zimbini, ukutywinwa okukhokelayo kuyafuneka ukuze uvule (CSO)
(3) umbhobho wezinto eziphathekayo ongayi kubangela intambo kunye neengozi.
(4) ityhubhu yezinto eziphathekayo ngaphandle komlinganiselo.
IKHIWANE. 2.0.1 ukuseta ivalvu kumda
Iivalvu kumda zibekwe ngeendlela ezininzi njengoko kuboniswe kuMfanekiso 2.0.1. Apho (1) kusebenza kwizinto eziqhelekileyo
Yisuse ecaleni; 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.
Ukusekwa kwevalve yeengcambu
Xa i-medium ifuna ukuthuthwa kubasebenzisi abangaphezu kwesinye, ukwenzela ukuba kube lula ukugcinwa okanye ukonga amandla, ukulwa nokukhenkceza, ngaphezu kwezixhobo eziqhotyoshelweyo.
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 wesicwangciso sokumisela ivalve yeengcambu
Iivalve zeengcambu kufuneka zifakwe kuyo yonke imibhobho yesebe yemibhobho yezinto eziqhelekileyo kwiplanti yekhemikhali ukuthintela umntu ngamnye
Umonakalo wevalvu ubangela ukuvalwa kwesityalo okanye kwesityalo.
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 kabini
Irhasi yepetroleum enyibilikisiweyo, ulwelo olunokutsha, olunetyhefu noluxabisekileyo kunye nolwelo oluyingozi kakhulu, olufana ne-asidi eyomeleleyo, i-caustic soda kwaye ineemfuno ezizodwa (ezifana nevumba elibi elibangele ungcoliseko olumandla kokusingqongileyo) itanki eliphakathi, kunye nomgca osezantsi ukuya ezantsi. ezinye izixhobo, akukhathaliseki nokuba zikufuphi nezinye izixhobo zevalve kunye nevalve emibini kufuneka ifakwe kuthotho (ivalve ephindwe kabini), Enye yazo kufuneka igqunywe kwimilomo yetanki. Xa itanki yokugcina umthamo inkulu okanye ikude, ivalve ingcono ivelufa yokulawula kude. Ukunciphisa inani leevalvu, dibanisa imibhobho emininzi kwindawo enye njengoko kubonisiwe kwi-FIG. 2.0.3–1 ukuba umsebenzi uyakuvumela.
I-valve yokukhupha isitya esiqulethe 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
Ngokuka-GB/T 12220 “I-Valve Mark Mark”, ivalve ngokubanzi mayisetyenziswe kwaye ngokuzikhethela kwezinto zamanqaku kolu hlobo lulandelayo:
iprojekthi
uphawu
iprojekthi
uphawu
1
Ubungakanani begama (DN)
11
Inombolo eqhelekileyo.
2
Uxinzelelo lwegama (PN)
12
Inombolo yobushushu
3
Ikhowudi yezinto eziphathekayo kwiindawo ezicinezelekileyo
13
Ikhowudi yezinto zangaphakathi
4
Igama okanye uphawu lokuthengisa lomenzi
14
Indawo,
5
Utolo oluphakathi
15
Ikhowudi yezinto eziphathekayo
6
Umsesane wokutywina (gasket) ikhowudi
16
Umgangatho kunye nokumakishwa kovavanyo
7
Umda wobushushu
17
Uphawu lomhloli
8
Ikhowudi yomsonto
18
Unyaka wokuvelisa, inyanga
9
Uxinzelelo olugqithisileyo
19
Iimpawu zokuhamba
10
Umzi-mveliso onguNombolo.
2. Iindlela zokumakisha
1. Phawula umxholo
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 (i-valve yokuphosa) iya kuphawulwa phezu komzimba we-valve 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), umgca wezinto eziphathekayo okanye inombolo yekhowudi yeendawo ezixinzelelekileyo, igama lomenzi okanye uphawu lokuthengisa, inombolo yesithando somlilo. (ukuphosa) kuya 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 lubekwe 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 ubungakanani besondo lesandla bukhulu ngokwaneleyo, i-handwheel kufuneka inikezwe ngetolo ebonisa indlela yokuvala i-valve 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. .
Phawula indawo uze uphawule ubungakanani
Ummiselo we-LJB / T 106-2004: umxholo wokumakisha, kufuneka umakishwe kumzimba weendawo ezilula ukuzibona. Iimpawu ziya kuboniswa kangangoko kumbindi womgca wombindi wependicular.