Ivalve Yesango: Ivalve yesango yivalve lesebentisa lisango (ipuleti lesango) kuhamba ngco eceleni kwe axis yendlela. Isetjentiswa kakhulu emaphayiphini ekuhlukanisa lokusemkhatsini, lokusho kutsi, kuvuleke ngalokuphelele noma kuvalwe ngalokuphelele. Ngalokuvamile, emavalvu esango akakulungeli kulawulwa kwekugeleza. Tingasetjentiswa kokubili lokushisa lokuphansi kanye nekushisa lokusetulu kanye nekucindzeteleka, kuya ngetintfo tevalve.
Nomakunjalo, emavalvu esango avame kungasetjentiswa kumaphayiphi lahambisa slurry noma imidiya lefanako.
Tinzuzo:
Kumelana lokuphansi kwemanti.
Kudzinga i-torque lencane yekuvula nekuvala.
Ingasetjentiswa etinhlelo tekugeleta letimbili, kuvumela umkhatsi kutsi ugelete kuto totimbili tindlela.
Uma ivulekile ngalokuphelele, lendzawo yekuvala ayitsandzeki kakhulu ekugucukeni kusuka endzaweni yekusebenta uma kucatsaniswa nemavalvu emhlaba.
Isakhiwo lesilula ngenchubo lenhle yekukhicita.
Budze besakhiwo lesincane.
Lokungakalungi:
Kudzingeka tilinganiso letinkhulu jikelele kanye nesikhala sekufaka.
Kuhlukana lokusetulu lokuhlobene kanye nekugcoka emkhatsini wetindzawo tekuvala ngesikhatsi sekuvulwa nekuvalwa, ikakhulukati ngesikhatsi sekushisa lokusetulu.
Emavalvu esango avame kuba netindzawo letimbili tekuvala, letingakhulisa bumatima ekucubunguleni, ekusileni, kanye nasekunakekeleni.
Sikhatsi lesidze sekuvula nekuvala.
Ivalvu yeluvivane: I-valve ye-butterfly yi-valve lesebentisa intfo levalako lemise njenge-disc kute ijikelete ngema-degree langaba ngu-90 kute ivule, ivale, futsi ilawule kuhamba kwemanti.
Tinzuzo:
Isakhiwo lesilula, bukhulu lobuncane, kulula, kanye nekusetjentiswa kwetintfo letincane, kwenta kutsi kulungele emavalvu lamakhulu-diameter.
Kuvulwa lokusheshako nekuvalwa ngekumelana lokuphansi kwekugeleza.
Ingaphatsa imidiya lenetinhlayiya leticinile letimisiwe futsi ingasetjentiswa kumidiya leyimpuphu kanye ne granular kuya ngemandla endzawo yekuvala.
Ilungele kuvulwa lokubili, kuvala, kanye nekulawula emaphayiphini ekungenisa umoya kanye nekususa lutfuli. Isetjentiswa kakhulu ku metallurgy, imboni lelula, emandla, kanye netinhlelo te petrochemical temaphayiphi egesi kanye netindlela temanti.
Lokungakalungi:
Libanga lekulawula kugeleta lokulinganiselwe; uma ivalve ivulekile nga-30%, lizinga lekugeleza litawudlula 95%.
Akukafaneli tinhlelo temaphayiphi letinekushisa lokusetulu kanye nekucindzeteleka lokusetulu ngenca yekulinganiselwa kwesakhiwo kanye netintfo tekuvala. Ngalokuvamile, isebenta ngesikhatsi sekushisa ngaphansi kwa 300°C kanye ne PN40 noma ngaphansi.
Kusebenta kwekuvala lokuphuyile kakhulu uma kucatsaniswa nemavalvu ebhola kanye nemavalvu emhlaba, ngako-ke akukalungi kusetjentiswa lokunetidzingo letisetulu tekuvala.
Ball Valve: I-valve yebhola isuselwa ku-valve ye-plug, futsi intfo yayo yekuvala yi-sphere lejikeleta ngema-degree langu-90 lejikeleta i-axis ye-ivalvusicu kute kuzuzwe kuvulwa nekuvalwa. I-valve yebhola isetjentiswa kakhulu emaphayiphini ekuvala, kusabalalisa, kanye nekushintja indlela yekugeleza. Emavalvu ebhola lanetikhala letimise V nawo anemandla lamahle ekulawula kugeleza.
Tinzuzo:
Kumelana lokuncane kwekugeleza (cishe zero).
Kusetjentiswa lokutsembekile etindzabeni letigcobako kanye netintfo letiphansi letibilako njengoba tinganamatseli ngesikhatsi sekusebenta (ngaphandle kwekugcobisa).
Ifinyelela kuvalwa lokuphelele ngaphakatsi kweluhlu lolubanzi lwekucindzeteleka kanye nekushisa.
Kuvulwa nekuvalwa ngekushesha, ngetakhiwo letitsite letinetikhatsi tekuvula/kuvala letifishane njengemizuzwana lengu 0.05 kuya ku 0.1, letilungele tinhlelo tekusebenta ngekuzenzakalela emabhentjini ekuhlola ngaphandle kwemtselela ngesikhatsi sekusebenta.
Kubeka ngekuzenzakalela etindzaweni temncele nge-elementi yekuvala ibhola.
Kuvala lokutsembekile kuto totimbili tinhlangotsi tendlela yekusebenta.
Kute kuguguleka kwetindzawo tekuvala kusuka kumidiya lenesivinini lesikhulu uma ivulekile noma ivaliwe ngalokuphelele.
Isakhiwo lesincane futsi lesilula, kwenta kutsi sibe sakhiwo sevalve lesifanele kakhulu setinhlelo tetindzaba letinekushisa lokuphansi.
Umtimba wevalvu lolinganako, ikakhulukati ekwakhiweni kwemtimba wevalvu loshiselwe, ungamelana nekucindzeteleka lokuvela kumaphayiphi.
Le elementi yekuvala ingamelana nemehluko lomkhulu wekucindzeteleka ngesikhatsi sekuvala. Emavalvu ebhola lashiselwe ngalokuphelele angangcwatjwa ngaphansi kwemhlaba, kucinisekisa kutsi tincenye tangekhatsi atigucuki, ngemphilo lephakeme yekusebenta yeminyaka lengemashumi lamatsatfu, kwenta kutsi tilungele emaphayiphi awoyela negesi.
Lokungakalungi:
Impahla leyinhloko yekuvala indandatho yevalve yebhola yi-polytetrafluoroethylene (PTFE), lengasebenti cishe kuwo onkhe emakhemikhali futsi inetimphawu letiphelele letifana ne-coefficient lephansi yekuhlangana, kusebenta lokucinile, kumelana nekuguga, kufaneleka lokubanti kwekushisa, kanye nekusebenta lokuhle kakhulu kwekuvala.
Kepha, timphawu letibonakalako te PTFE, kufaka ekhatsi i-coefficient yayo lephakeme yekwandzisa, kuzwela kugeleta lokubandzako, kanye nekushisa lokubi, kudzinga kutsi kwakhiwa kwetimphawu tesihlalo kusekelwe kuletimphawu. Ngako-ke, nangabe tintfo tekuvala ticinile, kwetsembeka kwekuvala kuyacekela phansi.
Ngetulu kwaloko, iPTFE inesilinganiso lesiphansi sekumelana nekushisa futsi ingasetjentiswa kuphela ngaphansi kwa 180°C. Ngale kwalelizinga lekushisa, tintfo tekuvala titawuguga. Uma ucabanga ngekusetjentiswa kwesikhatsi lesidze, kuvame kungasetjentiswa ngetulu kwa 120°C.
Kusebenta kwayo kwekulawula kuphansi kakhulu kunaleyo ye globe valve, ikakhulu emavalvu emoya (noma emavalvu agezi).
Globe Valve: Lisho ivalve lapho khona intfo yekuvala (valve disc) ihamba emgceni losemkhatsini wesihlalo. Kuhlukahluka kwe-orifice yesihlalo kulingana ngco nekuhamba kwe-disc ye-valve. Ngenca yekuhamba lokufishane kwekuvula nekuvala kwaloluhlobo lwevalve kanye nemsebenti walo wekuvala lowetsembekile, kanye nebudlelwane lobulinganako emkhatsini wekuhlukahluka kwemgodzi wesihlalo kanye nekuhamba kwe-disc yevalve, kulungele kakhulu kulawula kugeleza. Ngako-ke, loluhlobo lwevalve luvame kusetjentiselwa kuvala, kulawula, kanye netinjongo tekucindzetela.
Tinzuzo:
Ngesikhatsi sekuvula nekuvala, emandla ekukhuhlana emkhatsini we valve disc kanye nendzawo yekuvala yemtimba we valve mancane kunaleyo ye valve yesango, kwenta kutsi ingagcoki kakhulu.
Kuphakama kwekuvula kuvame kuba ngu 1/4 kuphela wesiteshi sesihlalo, kwenta kutsi kube ncane kakhulu kune valve yesango.
Imvamisa, kunendzawo yinye kuphela yekuvala emtimbeni wevalve kanye ne disc yevalve, kwenta kubelula kukhicita nekulungisa.
Inelizinga leliphakeme lekumelana nekushisa ngoba lokupakisha kuvame kuba ngumhlanganiso we asbestos kanye ne graphite. Emavalvu e-Globe avame kusetjentiselwa emavalvu emphunga.
Lokungakalungi:
Ngenca yekushintja kwendlela yekugeleta kwemkhatsi nge valve, kumela lokuncane kwekugeleta kwe valve ye globe kuphakeme kunaletinye tinhlobo letiningi tema valve.
Ngenca yekushaya lokudze, sivinini sekuvula siyahamba kancane uma kucatsaniswa nevalve yebhola.
Plug Valve: Lisho ivalve lejikeletako lenentfo yekuvala ngendlela yesilinda noma ipulagi yekhoni. Ipulaki yevalve kulevalve yepulagi ijikeletwa ngema degrees langemashumi lasiphohlongo kwentela kuhlanganisa noma kwehlukanisa umzila emtimbeni wevalve, kufezekisa kuvulwa noma kuvalwa kwevalve. Indlela ipulaki yevalve lebunjwe ngayo ingaba yisilinda noma i-conical. Umtsetfo wayo ufana naleyo ye valve yebhola, leyakhiwa ngekusebentisa ivalve ye plug futsi isetjentiswa kakhulu ekusebentiseni oyili kanye netimboni te petrochemical.
Ivalve Yekuphepha: Isebenta njengetintfo tekuvikela umfutfo lomkhulu emikhunjini, imishini, noma emaphayiphi lanemfutfo. Uma umfutfo longekhatsi kwemishini, umkhumbi, noma liphayiphi wendlula linani lelivumelekile, le valve iyavuleka ngekuzenzakalela kute ikhiphe umfutfo logcwele, kuvimbela kukhula kwemfutfo. Uma umfutfo wehlela esigabeni lesibekiwe, levalve kufanele ivale ngekushesha kute ivikele kusebenta lokuphephile kwemishini, umkhumbi, noma liphayiphi.
Steam Trap: Ekuhambiseni umfutfo, umoya locindzetelekile, kanye naletinye tindlela, emanti lahlanganisiwe ayakhiwa. Kucinisekisa kusebenta kahle kanye nekusebenta lokuphephile kwaledivayisi, kuyadzingeka kutsi kukhishwe ngesikhatsi letinsita letingenamsebenti naletilimatako kute kugcinwe kusetjentiswa kanye nekusetjentiswa kwaledivayisi. Inemisebenti lelandzelako: (1) Ingasheshe ikhiphe emanti lakhicitwako lakhicitwako. (2) Kuvimbela kuvuza kwemphunga. (3) Lisusa ..
Ivalve Yekunciphisa Umfutfo: Yivalve lenciphisa umfutfo wekungena kuya kumfutfo wekuphuma lofunwako ngekulungisa futsi ithembele emandla e-medium yona ngekwayo kutsi igcine ngekuzenzakalela umfutfo wekuphuma locinile.
Hlola iValve: Iphindze yatiwe ngekutsi yi-valve lengabuyi, sivimbeli sekugeleta emuva, i-valve yekucindzetela emuva, noma i-valve lehamba ngendlela yinye. Lamavalvu avuleka ngekuzenzakalela futsi avalwe ngemandla lakhicitwa kugeleta kwemkhatsi losephayiphini, kwenta kutsi abe luhlobo lwevalvu letentekelako. Emavalvu ekuhlola asetjentiswa etinhlelo temaphayiphi futsi imisebenti yawo leyinhloko kuvikela kubuyela emuva lokusemkhatsini, kuvikela kubuyela emuva kwemaphampu kanye netinjini tekushayela, kanye nekukhipha imidiya yetitja. Emavalvu ekuhlola angaphindze asetjentiswe kumaphayiphi laniketa tinhlelo letisitako lapho khona umfutfo ungakhuphuka ngetulu kwemfutfo weluhlelo. Tingahlukaniswa kakhulu ngeluhlobo lolujikeletako (lujikeleta ngekuya ngesikhungo semandla ladonsela phansi) kanye neluhlobo lwekuphakamisa (luhamba eceleni kwe-axis).
Sikhatsi sekuposa: June-03-2023
