Ingcali yoKhuseleko yokuSebenzisa uMbane kunye nokuSingqongileyo okuSingqongileyo

Ukufakwa, ukuSebenza kunye nokuLondolozwa kweNcwadi- iiValve zebhabhathane zombane

1. Ububanzi

Ukucaciswa kubandakanya Ububanzi obuqhelekileyo be-NPS 10 ~ NPS48, iklasi yoXinzelelo yesiqhelo (150LB-300LB) i-flanged triple eccentric metal seal butterfly valves.

2. Ingcaciso yeMveliso

2.1 Iimfuno zobugcisa

2.1.1 Uyilo kunye neMveliso esemgangathweni: API 609

2.1.2 Ukuphela komgangatho wokuphela konxibelelwano: ASME B16.5

2.1.3 Ubungakanani bomgangatho wobuso ngobuso: API609

2.1.4 Umgangatho woxinzelelo lobushushu: ASME B16.34

2.1.5 Ukuhlolwa kunye novavanyo (kubandakanya uvavanyo lwamanzi): API 598

2.2 Imveliso ngokubanzi

Ivelufa yebhabhathane ene-eccentric yokutywinwa kabini kwensimbi yenye yeemveliso eziphambili ze-BVMC, kwaye isetyenziswa ngokubanzi kwizinyithi, kwimizi-mveliso elula, kumandla ombane, kwipetroli, kwisitishi segesi nakwezinye iinkalo.

3. Iimpawu kunye nokuSebenza

Isakhiwo sihleli kathathu sentsimbi kwaye sihleli phantsi. Inentsebenzo elungileyo yokutywina phantsi kwemeko yobushushu begumbi kunye / okanye iqondo lobushushu eliphezulu. Umthamo omncinci, ubunzima obukhaphukhaphu, ukuvula kunye nokuvala ubomi obuguquguqukayo kunye nobude obude bokusebenza zizinto ezibonakalayo eziluncedo xa kuthelekiswa nezivalo zamasango okanye iigloves zomhlaba. Isetyenziswa ngokubanzi kwizinyithi, kwimizi-mveliso elula, amandla ombane, ipetroli, isiteshi segesi yamalahle kunye nezinye iinkalo, ukusetyenziswa kokhuseleko oluthembekileyo, ivelufa lukhetho olufanelekileyo lwamashishini anamhlanje.

4.Ulwakhiwo

4.1 Intambo yokutywina kathathu yesinyithi ebunjiweyo njengoko kubonisiwe kuMzobo 1

Umzobo 1 ivalve yentsimbi ephindwe kathathu yokutywina

5. Umgaqo wokutywina:

Umzobo 2 Ivaluva yesinyithi yokutywina kathathu yesinyithi yinto yesiqhelo ye-BVMC, njengoko kubonisiwe kumzobo 2.

(a) Iimpawu zoLwakhiwo: Iziko lokujikelezisa ipleyiti yamabhabhathane (okt iziko levalve) kufuneka lenze umkhethe u-A kunye nebala lebhabhathane lokutywina umphezulu, kunye nokukhetha uB ngomgca osembindini womzimba wevalufa. Kwaye i-Angle created yenziwa phakathi komgca osembindini wobuso betywina kunye nesihlalo somzimba (okt, umgca we-axial womzimba)

(b) Umgaqo wokutywinaNgokusekwe kwivelufa yamabhabhathane eccentric ephindwe kabini, ivelufa yebhabhathane ene-eccentric ivelise i-Angleβ phakathi kweendawo zokuhlala kunye nomzimba. Iziphumo zokukhetha icala njengoko kubonisiwe kumfanekiso we-3 wecandelo lokuwela. Xa kathathu eccentric ukutywina ibhabhathane ivelufa kwindawo evulekileyo ngokupheleleyo, ipleyiti ibhabhathane lokutywina umphezulu iya kwahlulwa ngokupheleleyo kumphezulu wokuhlala wokutywina umphezulu. Kwaye ke kuya kubakho ukucoca γkubaphakathi kwebhabhathane lokutywina ubuso kunye nokutywinwa komphezulu womzimba ngokufanayo nevalvethi yebhabhathane ephindwe kabini. Njengoko kubonisiwe kumfanekiso we-4, ngenxa yokwakheka kwe-engile, ii-anglesβ1and β2 ziya kubakho phakathi komgca ojijekileyo wendlela yokujikeleza yediski kunye nomphezulu wokutywina isihlalo sevalve. Xa kuvulwa kwaye kuvalwa idiski, ipleyiti yebhabhathane lokutywina umphezulu iya kuthi ngokuthe ngcembe yohlukane kwaye icekeceke, emva koko iphelise ngokupheleleyo ukuguga ngoomatshini kunye lingonakali. Xa kuvulwa ivalve, indawo yokutywina yediski iyakwahlula kwangoko kwisihlalo sevalve. Kwaye kuphela kumzuzu ovaliweyo ngokupheleleyo, idiski iya kudibana esihlalweni. Njengoko kubonisiwe kumfanekiso4, ngenxa yokwakheka kwekona and1and β2, xa ivalve butterfly ivaliwe, uxinzelelo lwetywina luza kuveliswa yivelufa shaft drive torque isizukulwane hayi ukuba bhetyebhetye kwesihlalo sevalveve. Ayikwazi kuphela ukuphelisa ukubakho kokuncitshiswa kwempembelelo yesitywina kunye nokusilela okubangelwa kukwaluphala kwezinto zokuhlala, ukuhamba okubandayo, izinto ezinokungasebenzi kakuhle, kwaye zinokulungiswa ngokukhululekileyo ngetorque yedrive, ukuze ukusebenza ngokutywina kweebhabhathane ezintathu kunye nokusebenza kubomi kuya kuba ziphuculwe.

Umzobo 2 i-eccentric e-eccentric ephindwe kabini yentsimbi etywinwe ibhabhathane ivelufa

Umzobo 3 Umzobo kathathu otywinwe kabini wokutywina ibhabhathane ivalve kwindawo evulekileyo

Umzobo 4 Umzobo wesinyithi esine-eccentric esitywinayo sokutywina isinyithi sebhabhathane kufutshane

6.1 Ukufakwa

6.1.1 Ukujonga ngononophelo imixholo yesingxobo segama levalve ngaphambi kokufaka, qinisekisa ukuba uhlobo, ubungakanani, izinto zokuhlala kunye nobushushu bevalve ziya kuhambelana nenkonzo yombhobho.

 

6.1.2 Ukujonga ngokukhethekileyo zonke iibholiti kunxibelelwano ngaphambi kofakelo, uqiniseke ukuba ziqinisa ngokulinganayo. Ukujonga ukuba uxinzelelo kunye nokutywinwa kokupakisha.

6.1.3 Ukujonga ivalve ngeempawu zokuhamba, njengokuboniswa kolwalathiso lokuhamba,

Kwaye ukufaka ivalve kufuneka kungqinelane nezibonelelo zokuhamba.

6.1.4 Umbhobho kufuneka ucocwe kwaye ususwe i-oyile, i-slag ye-welding kunye nezinye izinto ezingafunekiyo ngaphambi kokufakwa.

6.1.5 Ivelufa kufuneka ikhutshwe ngobunono, kuthintelwe ukuphoswa kwayo kunye nokuwa kwayo.

6.1.6 Kufuneka sisuse isiciko sothuli esiphelweni sevalve xa sifaka ivelufa.

6.1.7 Xa ufaka i-valve, ubukhulu be-gasket ye-flange ingaphezulu kwe-2 mm kwaye ulwandle lukhuni ngaphezu kwe-70 PTFE okanye i-gasket ejikelezayo, i-flange ye-bolts yokudibanisa kufuneka iqiniswe.

6.1.8 Ukukhululeka kokupakisha kunokubangelwa kukutshintsha kwentshukumo kunye neqondo lobushushu kwezothutho, kunye nokuqinisa amandongomane endlaweni yokupakisha ukuba kukho ukuvuza ekutywinweni kwesikhondo emva kofakelo.

6.1.9 Phambi kokufaka ivalve, indawo ye-pneumatic actuator kufuneka imiselwe, ukuze isebenze ngokusebenza kunye nokugcina kungalindelekanga. Kwaye i-actuator kufuneka ihlolwe kwaye ivavanywe ngaphambi kokufakwa kwimveliso.

6.1.10 Uhlolo olungenayo kufuneka lube ngokwemigangatho efanelekileyo. Ukuba le ndlela ayichanekanga okanye yenziwe ngumntu, i-BVMC Inkampani ayizukuthatha xanduva.

 

6.2 Ukugcinwa kunye Mubuso  

6.2.1 Iiphelo kufuneka zigutyungelwe ngothuli kwigumbi elomileyo nelingena umoya, ukuqinisekisa ukuba umsantsa wevalve ucocekile.

6.2.2 Xa ivalve yokugcina ixesha elide isetyenziswa kwakhona, ukupakisha kufuneka kujongwe ukuba ayisebenzi kwaye ugcwalise ioyile yokuthambisa kumacandelo ajikelezayo.

6.2.3 Ivaluva kufuneka zisetyenziswe kwaye zigcinwe ngexesha lewaranti (ngokwesivumelwano), kubandakanya ukutshintshwa kwegasket, ukupakisha njl.

6.2.4 Iimeko zokusebenza kwevalvu kufuneka zigcine zicocekile, kuba iyakwandisa ubomi bayo benkonzo.

6.2.5 Ivaluva kufuneka ihlole kwaye igcine isoloko isebenza ukuze ikhusele umhlwa kwaye iqinisekise ukuba izixhobo zikwimeko efanelekileyo.

Ukuba okuphakathi ngamanzi okanye i-oyile, kuyacetyiswa ukuba iivalves kufuneka zijongwe kwaye zigcinwe rhoqo kwiinyanga ezintathu. Kwaye ukuba iphakathi liyonakalisa, kuyacetyiswa ukuba zonke iivevithi okanye inxenye yezivalo kufuneka zihlolwe kwaye zigcinwe inyanga nenyanga.

6.2.6 Isixhobo sokucoca ulwelo-uxinzelelo lwevalve kufuneka sitsale rhoqo, ukukhutshwa kongcoliseko, ukubuyisela into yesihluzo. Ukugcina umoya ucocekile kwaye womile ukunqanda ungcoliseko lwezixhobo zomoya, unobangela wokungaphumeleli. (Ukubona "isixhobo se-pneumatic actuatorukusebenza umyalelo")

6.2.7 Isilinda, izinto zomoya kunye nemibhobho kufuneka zihlolwe ngononophelo kwaye rhoqo ukuze ukuthintela ukuvuza kwegesi (Ukubona "i-pneumatic actuator ukusebenza umyalelo")

6.2.8 Xa kulungiswa iivevithi ziya kugungxula iinxalenye kwakhona, zisuse umzimba wangaphandle, amabala kunye nendawo enomhlwa. Ukutshintsha iigaskethi ezonakalisiweyo kunye nokupakisha, ukutywina umphezulu kufuneka kulungiswe. Uvavanyo lwe-Hydraulic kufuneka lwenziwe kwakhona emva kokulungiswa, abanesakhono banokusebenzisa.

6.2.9 Umsebenzi wenxalenye yevalve (enje ngesiqu kunye nokupakisha itywina) kufuneka ihlale icocekile kwaye isule uthuli ukukhusela kuyo umlo Nokubola.

6.2.10 Ukuba kukho ukuvuza ekupakisheni kwaye amandongomane okupakisha kufuneka aqiniswe ngokuthe ngqo okanye atshintshe ukupakisha ngokwemeko. Kodwa akuvumelekanga ukutshintsha ukupakisha ngoxinzelelo.

6.2.11 Ukuba ukuvuza kwevalve akusombululekanga kwi-intanethi okanye ezinye iingxaki zokusebenza, xa ususa ivelufa kufuneka ibe ngokwala manyathelo alandelayo:

  1. Nika ingqalelo kukhuseleko: kukhuseleko lwakho, ukususa ivalve kumbhobho kuqala kufuneka uqonde ukuba loluphi uhlobo kumbhobho. Kuya kufuneka unxibe izixhobo zokukhusela abasebenzi ukuthintela okuphakathi ngaphakathi komonakalo wombhobho. Kwangelo xesha linye ukuqinisekisa ukuba uxinzelelo oluphakathi lombhobho sele lukhona. Ivalve kufuneka ivalwe ngokupheleleyo phambi kokususa ivelufa.
  2. Ukususa isixhobo somoya (kubandakanya umkhono wokudibanisa, Ukubona "isixhobo se-pneumatic actuator ukusebenza umyalelo") Kufuneka alumke asebenze ukunqanda ukonakala kwesiqu kunye nesixhobo somoya;
  3. Isangqa sokutywina sediski kunye nesihlalo kufuneka zijongwe ukuba zinokukrwela na xa ivalvevemvemvane ivulekile. Ukuba kukho isikrweqe esincinci sesihlalo, inokusebenzisa ilaphu le-emery okanye ioyile kwindawo yokutywina. Ukuba kuvela isikrweqe esinzulu, amanyathelo afanelekileyo kufuneka athathwe ukulungisa, ivelufa yamabhabhathane inokuyisebenzisa emva kovavanyo olufanelekileyo.
  4. Ukuba ukupakisha kwe-stem kuyavuza, i-gland yokupakisha kufuneka isuse, kwaye ujonge isiqu kunye nokupakisha ngomphezulu, ukuba isiqu sinaso nasiphi na isikrweqe, ivelufa kufuneka ihlangane emva kokulungiswa. ukuba ukupakisha kumoshakele, ukupakisha kufuneka kutshintshwe.
  5. Ukuba isilinda inengxaki, iya kujonga izixhobo zomoya, iqinisekise ukuba ukuhamba kwegesi kunye noxinzelelo lomoya, ivelufa yokubuyisa i-electromagnetic yinto eqhelekileyo. Ukubona “isixhobo sokuqhuba somoyaukusebenza umyalelo")
  6. Xa irhasi ifakwe kwisixhobo somoya, iyaqinisekisa ukuba isilinda ayikho ngaphakathi nangaphandle ayinakho ukuvuza. Ukuba itywina lesixhobo se-pneumatic sonakele kungakhokelela ekunciphiseni kokusebenza koxinzelelo lwe-torque, ukuze ingadibani nokuvulwa kunye nokuvalwa komsebenzi webhabhathane, iya kunikela ingqalelo kuhlolo oluqhelekileyo kunye nezinye izinto ezinokutshintsha.

I-valve yomoya webhathane yamanye amalungu ngokubanzi ayilungisi. Ukuba umonakalo mkhulu, qhagamshelana nomzi-mveliso okanye uthumele kulondolozo lwefektri.

6.2.12 Uvavanyo

Ivelufa iya kuba luxinzelelo lovavanyo emva kokuba ivelufa ilungise uvavanyo ngokungqinelana nemigangatho efanelekileyo.

6.3 Umyalelo wokusebenza

6.3.1 I-valve esebenza nge-Pneumatic nge-cylinder driver driver iya kwenziwa ukuba i-disc ijikeleze i-90 ° ukuvula okanye ukuvala i-valve.

6.3.2 Imikhombandlela evaliweyo evaliweyo yomoya webhokisi yamabhabhathane ehambelana nemoya iya kuphawulwa ngesalathiso sendawo kwisixhobo somoya.

6.3.3 Ivelufa yebhabhathane ene-truncation kunye nokunyenyisa isenzo kunokusetyenziswa njengokutshintsha kolwelo kunye nokuhamba kokuhamba. Ngokwesiqhelo ayivunyelwanga ngaphaya koxinzelelo- imeko yomda wobushushu okanye uxinzelelo olutshintshana rhoqo kunye neemeko zobushushu

6.3.4 Ivelufa yebhabhathane inamandla okumelana nokwahluka koxinzelelo oluphezulu, musa ukuvumela ivalve yamabhabhathane ivulwe phantsi koxinzelelo oluphezulu nakumahluko woxinzelelo oluphezulu iyaqhubeka nokujikeleza. Ngaphandle koko kunokubangela umonakalo, okanye nokuba yingozi enkulu yokhuseleko kunye nokulahleka kwepropathi.

6.3.5 Izivalo zomoya zisebenzisa rhoqo, kunye nokusebenza kwentshukumo kunye neemeko zokuthambisa kufuneka zijongwe rhoqo.

6.3.6 Isixhobo somoya esisebenza ngokujonga ixesha kwivalve yamabhabhathane ukuba ivaliwe, nangaphambi kwewashi ukuze ivalve yamabhabhathane ivule.

6.3.7 Usebenzisa ivelufa yamabhabhathane womoya kufuneka unike ingqalelo umoya ucocekile, uxinzelelo lonikezelo lomoya ngu-0.4 ~ 0.7 MPA. Ukugcina iivesi zomoya zivulekile, akuvumelekanga ukuvimba ukungena komoya kunye nokuhamba komoya. Ngaphambi kokusebenza, kufuneka ingene emoyeni oxineneyo ukuze ijonge ukuba intshukumo yomoya webhabhathane yomoya ibiqhelekile na. Nika ingqalelo ivalufa yamabhabhathane womoya evulekileyo okanye evaliweyo, nokuba ngaba idiski ikwindawo evulekileyo ngokupheleleyo okanye evaliweyo. Ukuhlawula ingqalelo kwindawo yevalve kwaye indawo yesilinda iyahambelana.

6.3.8 Ubume bezixhobo zokusebenzisa umoya womoya ziyingxande entloko, zisetyenziselwa isixhobo esenziwa ngesandla. Xa ingozi isenzeka, inokususa umbhobho wokuhambisa umoya ngokuthe ngqo ngesikrufu ukuze umsebenzi wezandla uzalisekiswe.

7. Iimpazamo, izizathu nesisombululo (Jonga kwiTab 1)

Ithebhu 1 Iingxaki ezinokubakho, oonobangela kunye nesisombululo

 

Iimpazamo

Unobangela wokusilela

Isisombululo

Ivalve yokuhamba kwezivalo kunzima, ayiguquki

1. Ukungaphumeleli koMlawuli 2. Ukuvula torque kukhulu kakhulu

3. Uxinzelelo lomoya luphantsi kakhulu

4.Isilinda ukuvuza

1. Ukulungisa kwaye ujonge isekethe yombane kunye neesekethe zerhasi isixhobo somoya2 Ukunciphisa ukulayishwa komsebenzi kunye nokukhetha izixhobo zomoya ngokuchanekileyo

3.Ukuphakamisa uxinzelelo lomoya

4. Jonga iimeko zokutywinwa kwesilinda okanye umthombo wendibaniselwano

  Ukupakisha ukuPhuma kwesiqu 1. Ukupakisha iibholiti zedlala kukhululekile2. Ukupakisha umonakalo okanye isiqu 1. Qinisa iibholiti zedlala2. Guqula ukupakisha okanye isiqu
  Ukuvuza 1.Ukuvala isekela lokutywina akulunganga 1. Ukulungisa i-actuator ukwenza indawo yokuvala isekela lokutywina ichanekile
2. Ukuvala akufikeleli kwindawo echongiweyo Ukujonga ulwahlulo oluvulekileyo kwindawo esecaleni2 Ukulungelelanisa ngokweenkcukacha ze-actuator, ukuze ulwalathiso luhambelaniswe nemeko evulekileyo

3. Ukujonga izinto ekubanjiswa kuzo kungumbhobho

3. Amalungu omonakalo wevalufa damage Umonakalo wesihlalo

Umonakalo wediski

1. Buyisela isihlalo2. Buyisela idiski

Ukuphela kwento yokusebenza

1.Umonakalo ophambili kunye nokwehla kwe-2 1. Buyisela isitshixo phakathi kwesiqu kunye neactuator2. Guqula ipini yokumisa

Ukusilela kwesixhobo somoya

Ukubona "ivalve yomoya ukucaciswa kwesixhobo somoya"

Qaphela: Abasebenzi besondlo baya kuba nolwazi olufanelekileyo kunye namava.

 


Ixesha Post: Nov-10-2020