Ukubhobhoza imichiza kunye neevalves yinxalenye engenakuphikwa kwemveliso yemichiza kwaye likhonkco phakathi kweentlobo ezahlukeneyo zezixhobo zekhemikhali. I-5 i-valves ezi-5 ezininzi eziqhelekileyo kumsebenzi wokunyibilika kwamachiza? Eyona njongo iphambili? Yeyiphi imibhobho yekhemikhali kunye neevalves? .
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Iivantshi ezinkulu ezili-11
Isixhobo esisetyenziselwa ukulawula ukuhamba kwamanzi kwi-piholine kubizwa ngokuba yiValve. Iindima zayo eziphambili zezi:
Vula kwaye uvale indima - usike okanye unxibelelane nokuhamba kwamanzi kumgaqo;
Uhlengahlengiso-ukuhlengahlengisa ireyithi yendlela yokuqukwa kombhobho, ukuhamba;
I-FATTTY-UKUQHAWULA NGOKUFANELEKILEYO KWI-VOVE, NGOKUQINISEKILEYO KWI-DORT YOKUGQIBELA.
Ukwahlulahlulwa:
Ngokwendima yevali yombhobho wahlukile, unokwahlulwa kwivalve enqunyulweyo (ebizwa ngokuba yi-villber), ivalve yedini, ivalve evuthayo, ivalve enjalo;
Ngokweendlela ezahlukeneyo zeValves zinokwahlulwa zibe yi-valve yesango, iplagi (idla ngokubizwa nge-cocker), i-valve yebhola, i-valve yebhotile, i-valve yebhabhathane, i-valve efakwe i-valve, ivumba.
Ukongeza, ngokwemveliso yezixhobo ezahlukileyo zevalva, kwaye yahlulwe yangamantshontsho angenasithukuthezi, i-valve yentsimbi, i-valve yentsimbi, iivalves zeplastikhi, i-valdic njalo njalo njalo.
Ukhetho lwe-veli olwahlukileyo lunokufumaneka kwincwadana yemigaqo efanelekileyo kunye neesampulu, kuphela ezona ntlobo zixhaphakileyo zeValves apha.
I-①globe Valve
Ngenxa yolwakhiwo olulula, kulula ukwenziwa nokuyigcina, isetyenziswe ngokubanzi kwimibhobho yoxinzelelo ephantsi nephakathi. Ifakiwe kwi-valve ingezantsi kwe-disc ye-valve ejikelezayo (intloko ye-valve) kunye ne-veli ye-veli ye-valve
I-valve stem inokuhlengahlengiswa yintambo yokuphakamisa i-valve ye-valve, dlala indima ethile kummiselo. Ngenxa yesiphumo sokusika i-vall-valiwe kukuxhomekeka kwintloko ye-valve kunye nokuhlalisa itywina, akulunganga ukusetyenziswa kumbhobho oqukethe amasuntswana aqinileyo.
I-Globe Globe inokusetyenziswa ngokwemizobo yemithombo yeendaba ukukhetha intloko yeValve efanelekileyo, isihlalo, isixhobo soShell. Ukusetyenziswa kwe-valve ngenxa yokutywina okubi okanye intloko, isitulo kunye nezinye iindawo zevali yonakalisiwe, ungathatha isitshetshe esikhanyisayo, ukwenzela, ukwenzela ukwandisa ubomi benkonzo yevalve.
I-tevate valve
I-petpendicular kwicala lemithombo yeendaba ihamba ipleyiti enye okanye ezimbini zeflethi, kunye nebhunga le-valve litywine ukufezekisa injongo yokuvalwa. Ipleyiti iphakanyisiwe ukuba ivule ivalve.
Iplate eflethi ngokujikeleza kwe-valve kunye nokuphakamisa, ngobukhulu bokuvula ukulawula ukuhamba kwamanzi. Eli vali lincinci, ukusebenza kakuhle, ukutshintshela ukongelwa, ngakumbi kufanelekile kumbhobho omkhulu wekhalifa, kodwa isakhiwo se-valve yesango sintsonkothile, iindidi ezininzi.
Ngokutsho kolwakhiwo lwe-STEM, kukho isiqu esivulekileyo kunye nesiqu esimnyama; Ngokwendlela yeplate ye-valve yahlulwe ngohlobo lomtshato, uhlobo olufanayo nolo.
Ngokubanzi, uhlobo lweplate ye-veli ye-veli ye-valve enye, kwaye uhlobo olufanayo lusebenzisa iipleyiti ezimbini zeValve. Uhlobo olufanayo lube lula ukwenza uhlobo lohlobo lomtshato, ukulungiswa okuhle, ukusetyenziswa akukho lula ukungcungcutheka, kodwa akufuneki kusetyenziselwe ukuthutha kwi-pipeline ye-fluid, igesi ecocekileyo, ioyile kunye neminye imibhobho.
I-③blg valves
Iplagi iqhele ukuba yaziwa ngokuba yi-cocker, kukusetyenziswa komzimba wevali ukufaka umngxunya ophakathi ngeplagi yokuvula kwaye uvale umbhobho.
Iplagi ngokweefom ezahlukeneyo zokutywina, zinokwahlulwa zibe yiplagi yokupakisha, iplagi etywinwe ioyile kwaye ayinakupakisha iplagi kwaye njalo. Ubume beplagi bulula, ubukhulu bamancinci, buvulelekile kwaye kulula kakhulu, kulula ukusebenza, ukuxhaswa okuncinci, kulula ukwenza okanye ukuhambisa iindlela ngeendlela ezintathu okanye ivalve yokutshintsha.
Umhlaba wokutywinwa kokutywina, kulula ukunxiba, ukutshintsha ubuncwane, akukho lula ukuhlengahlengisa ukuhamba, kodwa kunqunyulwe ngokukhawuleza. Iplagi ingasetyenziselwa uxinzelelo olusezantsi kunye neqondo lobushushu okanye iphakathi enamasuntswana aqinileyo kwi-pipelili ye-fluid, kodwa akufuneki isetyenziselwe uxinzelelo oluphezulu, ubushushu obuphezulu okanye umbhobho we-steam.
I-④throst ivalve
Yeyodwa uhlobo lodidi lwe-globe. Ubume be-valve yayo buyinyani okanye bulungelelanise, nto leyo inokulawula ukuhamba kwamanzi okanye ukuqaqamba kunye nokugcina ummiselo. Ivalve ifuna imveliso ephezulu yokuchaneka kunye nokusebenza kakuhle.
Ikakhulu isetyenziselwa ukulawulwa kwesixhobo okanye isampulu kunye neminye imibhobho, kodwa akufuneki isetyenziselwe i-vipesity kunye namasuntswana aqinileyo kumbhobho.
I-⑤ball ivalve
I-valve yebhola, ebizwa ngokuba yiValve yeziko lebhola, luhlobo lwevalve oluphuhlise ngokukhawuleza kwiminyaka yakutshanje. Isebenzisa ibhola emngxunyeni phakathi njengeziko levalve, ixhomekeke ekujikelezisweni kwebhola ukulawula ukuvula i-valve okanye ukuvala.
Kuyafana neplagi, kodwa incinci kunendawo yokutywina kweplagi, isakhiwo secandelo, ukutshintshela ukongelwa kwabasebenzi, isetyenziswe kakhulu kuneplagi.
Ngokuphuculwa kwemveliso yeVenkile yeBholathi, i-valves yebhola ayisetyenziswanga kuphela kwi-piholi yoxinzelelo oluphantsi, kwaye isetyenzisiwe kumbhobho woxinzelelo oluphezulu. Nangona kunjalo, ngenxa yokusikelwa kwemida yezinto zokutywina, ayifanelekanga ukusetyenziswa kwimibhobho yobushushu ephezulu.
⑥ Iivazi zedayaphragm
Ihlala ifumaneka ziivalve ze-raber zerabha. Ukuvulwa nokuvalwa kwale valve yi-diaphragm ekhethekileyo, i-diaphragm igqunywe phakathi kwebhulukhwe yevali kunye ne-valve ye-valve icinezela i-diaphragm kwi-diaphragm eqinile.
Eli valve linolwakhiwo olulula, lokutywinwa okuqinisekileyo, ulondolozo olulula kunye nokunganyangeki kwe-fluid ephantsi. Ilungele ukudlulisela amajelo ee-acidic kunye nemibhobho ye-fluid ngee-solidi ezinqunyanyisiweyo, kodwa ngokubanzi akufuneki zisetyenziselwe uxinzelelo oluphezulu okanye amaqondo aphezulu ngaphezulu kwe-60 ℃, akufuneki ukuba isetyenziselwe ukudlulisela iinyibilikisi ze-overgan kwipwipi.
⑦ Jonga i-valve
Kwabizwa njenge-valve engeyobuyekelo okanye i-valves. Ifakwe kumbhobho ukuze ulwelo lunokuhamba kuphela kwicala elinye, kwaye ukuhamba ngokubuyisa akuvunyelwe.
Luhlobo lwevalve yokuvala ngokuzenzekelayo, kukho ivalve okanye ipleyiti eqengqelekayo emzimbeni wevali. Xa i-Medium ihamba kakuhle, ulwelo luza kuvula ngokuzenzekelayo i-valve; Xa ulwelo luhamba umva, ulwelo (okanye amandla entwasahlobo) uya kuvala ngokuzenzekelayo i-valve. Ngokwesakhiwo esahlukileyo sevalve yokujonga, yahlulwe yaba luphakamisa kunye nohlobo lweendidi ezimbini.
Ukuphakamisa i-Valve Valve i-Proveve i-perpendicular ukuya kwi-valven yokuphakamisa intshukumo, isetyenziswa ngokubanzi kwi-puipiontal okanye iplatelip ethe nkqo; I-vallve ye-valve ivutha i-valve idla ngokubizwa ngokuba yiRocker Plate, icala le-rocker plate lixhunyiwe kwi-shaft, i-rocker plati ifakwe kwi-pipeling, i-rocker ye-rocker ifakwe kwi-pipeling phend, kodwa inika ingqalelo yokuhamba akufuneki ibe nkulu kakhulu.
Jonga i-velove isebenza ngokubanzi kwipayipi yemithombo yeendaba, equkethe amasuntswana aqinileyo kunye novimba wemibhobho yemithombo yeendaba akufuneki isetyenziswe. Phakamisa uhlobo lokujonga i-Valve Palve I-Valve ilunge ngakumbi kunohlobo lwe-swing, kodwa i-swing yohlobo lwe-swing lodidi lwe-wilve lincinci kunodidi oluphakathi. Ngokubanzi, ivalve yokujonga i-swing ilungele umbhobho omkhulu we-caliber.
I-⑧butterflyfly valve
I-Butterfly Valve yidiski engqongqo (okanye i-oval disk) ukulawula ukuvulwa nokuvalwa kombhobho. Luhlobo olulula, ubukhulu obuncinci bangaphandle.
Ngenxa yesakhiwo sokutywina kunye neengxaki ze-valve, i-valve yokuvalwa kwe-valve ihlwempuzekile, i-piholi ye-pihore ye-Dilometer ye-Dilometer, isetyenziselwa ukuhanjiswa kwamanzi, umoya, igesi kunye neminye imithombo yeendaba kumbhobho.
⑨ Uxinzelelo ukunciphisa ivalve
Kukunciphisa uxinzelelo oluphakathi kwixabiso elithile le-valve ezenzekelayo, uxinzelelo ngokubanzi emva kwe-varium, entwasahlobo, ipiston kunye ne-piston kunye ne-piston kunye ne-pispul guati yokufezekisa injongo yokuncitshiswa koxinzelelo.
Zininzi iindidi zoxinzelelo ukunciphisa iivila, ipiston eqhelekileyo kunye ne-diaphragm uhlobo ezimbini.
⑩ Ivalve
Ukwenzela ukuthintela ukuvela kwephakathi, ezinye iivalves kufuneka zidityaniswe ngezinto ezinganyangekiyo (ezinjengokukhokelela, irabha, i-enamel, njl njl) kwi-valve kunye nentloko ye-valve, izixhobo kufuneka zikhethwe ngokomntu ophakathi.
Ukulungiselela i-lining, i-valve ezifakwe i-valves zenziwe kakhulu ngohlobo lwe-angle okanye uhlobo lokuhamba ngqo.
IVeves
Ukuze kuqinisekiswe ukhuseleko lwemveliso yemichiza, kwinkqubo yemibhobho phantsi koxinzelelo, sisixhobo sokhuseleko esisigxina, oko kukuthi, ukukhetha ubungqingqwa obuthile bephepha lesinyithi, njengokufaka ipleyiti eyimfama efakwe ekupheleni kombhobho okanye intsingiselo ye-tee.
Xa uxinzelelo kumbhobho onyukayo, iphepha liyaqhekeka ukufezekisa injongo yoncedo loxinzelelo. Iipleyiti zokugqobhoza zisetyenziswa ngokubanzi kuxinzelelo oluphantsi, imibhobho yedaya yedayamere, kodwa kwiindlela ezininzi zemichiza enemibhobho yezokhuseleko, i-valves zininzi zinokwahlulwa zimbini, ezizeziwe-zine-varks-zigcwele.
I-valve egcwele intsholongwane ixhomekeke ikakhulu kumandla entwasahlobo ukuze ifezekise ukutywinwa. Xa uxinzelelo kumbhobho ungadlulanga umkhosi wentwasahlobo, iveni ivulwa ngokwesiseko, kwaye ulwelo embhotweni lukhutshiwe, ukuze uxinzelelo luncitshisiwe.
Nje ukuba uxinzelelo kwimibhobho eyehla ngezantsi komkhosi wentwasahlobo, ivalve ivaliwe kwakhona. I-lever-Chwetheza i-valls zokhuseleko ikakhulu ngokuxhomekeke kwinqanaba lobunzima kwi-lever ukuya ekutywineni, imigaqo yokusebenza kunye nohlobo lwentwasahlobo. Ukukhetha iveli yokhuseleko, kusekwe kuxinzelelo lokusebenza kunye nobushushu bokusebenza ukumisela inqanaba loxinzelelo lwamabala, ubungakanani bekhasipile bungabalwa ngokubhekisele kumalungiselelo afanelekileyo okufumanisa.
Uhlobo lweValve Elveve, izixhobo ze-veli kufuneka zikhethwe ngokobume beemeko eziphakathi, zokusebenza. Uxinzelelo lokuqala, uvavanyo kunye nokwamkelwa kwevalve ekhethekileyo kunezibonelelo ezizodwa, ukulingana rhoqo kwiSebe Lezokhuseleko, ukuprintwa kwetywina, kusetyenziswa akuyi kulungiswa ngokhuseleko.
IXESHA LOKUQALA: I-DEC-01-2023