1. Ivalve yesango: Ivalve yesango ibhekisa kwivalve elungu layo elivalayo (isango) lihamba kwicala elithe nkqo le-axis yetshaneli.Isetyenziselwa ikakhulu ukusika i-medium kumbhobho, oko kukuthi, ivule ngokupheleleyo okanye ivalwe ngokupheleleyo.Ngokuqhelekileyo, i-valve yesango ayinakusetyenziswa njengendlela yokulungelelanisa.Ingasetyenziselwa ukushisa okuphantsi kunye noxinzelelo kunye nokushisa okuphezulu kunye noxinzelelo oluphezulu, kwaye inokusekelwe kwizinto ezahlukeneyo zevalve.Kodwa iivalvu zesango azisetyenziswa ngokubanzi kwimibhobho ehambisa udaka kunye nezinye izixhobo
uncedo:
①Ukuxhathisa ulwelo kuncinci;
②Itorque efunekayo xa uvule nokuvalwa incinci;
③Ingasetyenziswa kumbhobho wothungelwano weringi apho isiphakathi sihamba macala omabini, oko kukuthi, indlela yokuhamba yendlela ephakathi ayithintelwanga;
④Xa ivuleke ngokupheleleyo, ukhukuliseko lomphezulu wokutywina ngesiphakathi esisebenzayo luncinci kunolo lwevalvu yokumisa;
⑤Isakhiwo somzimba silula, kwaye inkqubo yokuvelisa ingcono;
⑥Ubude besakhiwo bufutshane.
Izinto ezingeloncedo:
①Imilinganiselo epheleleyo kunye nobude bokuvula bukhulu, kwaye indawo yofakelo efunekayo nayo inkulu;
②Kwinkqubo yokuvula nokuvala, indawo yokutywina ixutywa ngokulinganayo ngabantu, kwaye i-abrasion inkulu, nangona kubushushu obuphezulu, kulula ukubangela ukuqhuma;
③ Ngokubanzi, iivalvu zesango zinemigangatho emibini yokutywina, eyongeza ubunzima obuthile ekusetyenzweni, ukucola nokulungisa;
④Ixesha elide lokuvula kunye nokuvala.
2. Ivalve yebhabhathane: Ivalve yebhabhathane yivalve esebenzisa idisc-type yokuvula kunye nelungu lokuvala ukubuyisela malunga ne-90 ° ukuvula, ukuvala kunye nokulungelelanisa umjelo we-fluid.
uncedo:
① Isakhiwo esilula, ubungakanani obuncinci, ubunzima obulula, ukonga izinto ezisetyenziswayo, ungasebenzisi kwiivalvu ezinobubanzi obukhulu;
②Ukuvula nokuvala ngokukhawuleza, ukuchasana nokuhamba okuphantsi;
③Ingasetyenziselwa imidiya enamasuntswana aqinileyo, kwaye ingasetyenziselwa umgubo kunye nemidiya yegranular ngokuxhomekeke kumandla omgangatho wokutywina.Ingasetyenziswa ekuvuleni kweendlela ezimbini kunye nokuvala kunye nokulungelelaniswa kwemibhobho yokungena komoya kunye nokususa uthuli, kwaye isetyenziswa ngokubanzi kwimibhobho yegesi kunye neendlela zamanzi kwi-metallurgy, imboni yokukhanya, amandla ombane kunye neenkqubo zepetrochemical.
Izinto ezingeloncedo:
①Uluhlu lohlengahlengiso lokuhamba alukho lukhulu, xa ukuvulwa kufikelela kwi-30%, ukuhamba kuya kungena ngaphezu kwe-95%;
②Ngenxa yokuncitshiswa kwesakhiwo sevalve yebhabhathane kunye nezinto zokutywina, ayifanelekanga ukusetyenziswa kwiqondo lokushisa eliphezulu kunye neenkqubo zombhobho woxinzelelo oluphezulu.Ubushushu bokusebenza ngokubanzi bungaphantsi kwe-300℃ nangaphantsi kwe-PN40;
③Ukusebenza kokutywina kubi ngakumbi kunoko kweevalvu zebhola kunye neevalvu zeglowubhu, ngoko ke kusetyenziswa kwiindawo apho iimfuno zokutywinwa zingekho phezulu kakhulu.
3. Ivalve yebhola: yavela kwivalve yeplagi, indawo yayo yokuvula nokuvala yingqukuva, esebenzisa ingqukuva ukujikeleza i-90° ijikeleze i-axis yesikhondo sevalve ukufezekisa injongo yokuvula nokuvala.Ivalve yebhola isetyenziselwa ikakhulu ukusika, ukusasaza kunye nokutshintsha indlela yokuhamba kwe medium kumbhobho.Ivalve yebhola eyenzelwe njengokuvulwa okumise okwe-V nayo inomsebenzi olungileyo wohlengahlengiso lokuhamba.
uncedo:
①unokumelana nokuhamba okuphantsi (eneneni ngu-0);
②Ngenxa yokuba ayiyi kuxinga xa isebenza (xa kungekho lubricant), inokusetyenziswa ngokuthembekileyo kwimithombo yeendaba ezonakalisayo kunye nolwelo olusezantsi;
③Kuxinzelelo olukhulu kunye noluhlu lobushushu, inokufikelela ukutywinwa okupheleleyo;
④Inokuqonda ukuvulwa ngokukhawuleza kunye nokuvala, kwaye ixesha lokuvula kunye nokuvala kwezinye izakhiwo kuphela i-0.05 ~ 0.1s ukuqinisekisa ukuba ingasetyenziselwa inkqubo yokuzenzekelayo yebhentshi yokuvavanya.Xa uvula kwaye uvala i-valve ngokukhawuleza, umsebenzi awunayo impembelelo;
⑤Iqhekeza lokuvala elingqukuva linokubekwa ngokuzenzekelayo kwindawo yomda;
⑥Isixhobo sokusebenza sitywinwe ngokuthembekileyo kumacala omabini;
⑦ Xa ivuleke ngokupheleleyo kwaye ivalwe ngokupheleleyo, umphezulu wokutywina webhola kunye nesihlalo sevalvu ubekwe wodwa kwindawo ephakathi, ngoko ke okuphakathi okudlula kwivalve ngesantya esiphezulu akuyi kubangela ukhukuliseko lomphezulu wokutywina;
⑧ Ulwakhiwo oludityanisiweyo kunye nobunzima obukhanyayo, lunokuthi luthathwe njengelona luhlu lufanelekileyo lwevalvu yenkqubo ye-cryogenic medium;
⑨Umzimba wevalvu ulungelelene, ngakumbi ubume bomzimba wevalve edityanisiweyo, enokumelana noxinzelelo lombhobho kakuhle;
⑩Iqhekeza lokuvala linokumelana nokwahlukana koxinzelelo oluphezulu xa uvala.⑾Ivalve yebhola enomzimba odityanisiweyo ngokupheleleyo inokungcwatywa ngokuthe ngqo emhlabeni, ukuze iindawo zangaphakathi zevalve zingonakaliswa, kwaye ubomi benkonzo ephezulu bunokufikelela kwiminyaka engama-30.Yeyona valve ifanelekileyo kwimibhobho yeoli kunye negesi yendalo.
Izinto ezingeloncedo:
① Kuba eyona nto iphambili yokutywina isihlalo sevalve yi-polytetrafluoroethylene, ayisebenzi phantse kuzo zonke izinto zekhemikhali, kwaye inomlinganiso omncinci wokukhuhlana, ukusebenza okuzinzileyo, akukho lula ukuguga, uluhlu olubanzi lobushushu kunye nokusebenza okubalaseleyo kokutywinwa Iimpawu ezibanzi.Nangona kunjalo, iipropathi ezibonakalayo ze-PTFE, kubandakanywa i-coefficient yokwandisa okuphezulu, uvakalelo lokuhamba okubandayo kunye nokungahambi kakuhle kwe-thermal, kufuna ukuyilwa kwezitywina zesihlalo sevalve ukugxila kwezi mpawu.Ngoko ke, xa izinto zokutywina ziba nzima, ukuthembeka kwesitywina kuphazamiseka.Ngaphezu koko, i-PTFE inebanga eliphantsi lokumelana nobushushu kwaye ingasetyenziswa kuphela ngaphantsi kwe-180°C.Ngaphezulu kolu bushushu, izinto zokutywina ziya kuhlahloka.Xa kuqwalaselwa ukusetyenziswa kwexesha elide, kuya kusetyenziswa kuphela kwi-120°C.
②Ulawulo lwayo lubi ngakumbi kuneevalvu zeglowubhu, ngakumbi iivalvu zepneumatic (okanye iivalve zombane).
4. Ivalve esikiweyo: ibhekisa kwivalve enxalenye yayo yokuvala (idiski) ihamba ngomgca osembindini wesitulo sevalve.Ngokwale ntshukumo ye-disc ye-valve, utshintsho lwe-valve seat port lulingana ne-valve disc stroke.Ekubeni ukuvulwa okanye ukuvala i-valve yesikhondo solu hlobo lwevalve lufutshane, kwaye inomsebenzi othembekileyo wokusika, kwaye ngenxa yokuba utshintsho lwesigxina sesihlalo sevalve luhambelana ngokuthe ngqo kwi-stroke ye-valve disc. , ilungele kakhulu ukulungiswa kokuhamba.Ngoko ke, olu hlobo lwevalve lufanelekile kakhulu ukunqumla okanye ukulawulwa kunye nokubetha.
uncedo:
①Ngexesha lokuvula kunye nenkqubo yokuvala, ukungqubuzana phakathi kwediski kunye nomgangatho wokutywina womzimba wevalve incinci kunevalve yesango, ngoko ke ayigugi.
②Ubude bokuvula ngokuqhelekileyo yi-1/4 kuphela yendlela yesitulo sevalve, ngoko ke incinci kakhulu kunevalve yesango;
③Ngesiqhelo kukho umphezulu omnye wokutywina kumzimba wevalvu kunye nediski, ngoko ke inkqubo yokuvelisa ilungile kwaye kulula ukuyigcina;
④Ngenxa yokuba isigcwalisi singumxube weasbestos kunye negraphite, inqanaba lokumelana nobushushu liphezulu.Ngokuqhelekileyo iivalvu zomphunga zisebenzisa iivalvu zokumisa.
Izinto ezingeloncedo:
① Njengoko umkhombandlela wokuhamba ophakathi kwivalvu utshintshile, ubuncinci bokuchasana nokuhamba kwevalve yokumisa kuphezulu kunoko uninzi lwezinye iindidi zeevalvu;
②Ngenxa ye-stroke emide, isantya sokuvula sihamba kancinci kuneso sevalve yebhola.
5. Ivalve yokuplaga: ibhekisa kwivalve ejikelezayo enendawo yokuvala emile okwe-plunger.Izibuko leepaseji kwiplagi yevalvu iqhagamshelwana nayo okanye yahlulwe kwizibuko leepaseji kumzimba wevalvu ngokujikeleza kwe-90° ukuqonda ukuvulwa okanye ukuvala.Ubume beplagi yevalve ingaba yi-cylindrical okanye i-conical.Umgaqo ngokusisiseko ufana naleyo yevalve yebhola.Ivalve yebhola iphuhliswa ngesiseko sevalve yeplagi.Isetyenziselwa ikakhulu ukuxhaphaza indawo yeoli, kodwa nakwishishini lepetrochemical.
6. Ivalve yokhuseleko: ibhekisa kwisitya soxinzelelo, izixhobo okanye umbhobho, njengesixhobo sokukhusela uxinzelelo.Xa uxinzelelo kwisixhobo, isitya okanye umbhobho ukhuphuka ngaphezu kwexabiso elivumelekileyo, i-valve ivula ngokuzenzekelayo, kwaye emva koko isixa esipheleleyo sikhutshwe ukukhusela izixhobo, isitya okanye umbhobho kunye noxinzelelo lokuqhubeka nokunyuka;xa uxinzelelo lwehla kwixabiso elichaziweyo, i-valve kufuneka iVale ngokuzenzekelayo ngexesha lokukhusela ukusebenza okukhuselekileyo kwezixhobo, izitya okanye iipayipi.
7. I-Steam trap: Amanye amanzi ajikisiweyo aya kwenziwa kumbindi wokuhambisa umphunga, umoya ocinezelweyo, njl.njl. Ukuze kuqinisekiswe ukusebenza kakuhle kunye nokusebenza ngokukhuselekileyo kwesixhobo, ezi zixhobo zingenamsebenzi neziyingozi kufuneka zikhutshwe kwangethuba ukuze kuqinisekiswe ukuba isixhobo sisebenza kakuhle kwaye sikhuselekile. ukusetyenziswa kunye nokusetyenziswa kwesixhobo.sebenzisa.Inemisebenzi elandelayo: ①Inokususa ngokukhawuleza amanzi akhutshiweyo avelisiweyo;② Thintela ukuvuza komphunga;③Ngaphandle komoya kunye nezinye iigesi ezingacondensable.
8. I-valve yokunciphisa uxinzelelo: I-valve yokunciphisa i-valve yokunciphisa i-inlet yoxinzelelo oluthile olufunekayo ngokuhlengahlengiswa, kwaye ithembele kumandla ophakathi ngokwawo ukugcina ngokuzenzekelayo uxinzelelo oluzinzileyo lokuphuma.
I-9, ivalve yokukhangela: ekwabizwa ngokuba yivalve eguqukayo, ivalve yokukhangela, ivalve yoxinzelelo lwangasemva kunye nevalve yendlela enye.Ezi zivalo zivulwa ngokuzenzekelayo kwaye zivalwe ngamandla aveliswa kukuhamba komthombo ophakathi kumbhobho, kwaye zezevalve ezenzekelayo.Ivalve yokutshekisha isetyenziswe kwinkqubo yombhobho, kwaye umsebenzi wayo oyintloko kukuthintela i-medium ukuba ingabuyeli ngasemva, ukuthintela impompo kunye ne-motor drive ukuba ingaguquki, kwaye ikhulule i-container medium.Iivalvu zokutshekisha zingasetyenziselwa ukubonelela ngemibhobho yeenkqubo ezincedisayo ezinoxinzelelo olunokwenyuka ngaphezu koxinzelelo lwenkqubo.Zinokwahlulwa zibe zintlobo ze-swing (ezijikelezayo ngombindi womxhuzulane) kunye nohlobo lokuphakamisa (ukuhamba nge-axis).