Ngaba iintsimbi zentsimbi zisisombululo sokugqibela sokungavuzi nto?

Iiseal zentsimbi azisiso isisombululo sokugqibela sokungavuzi nto. Nangona kunjalo, zihlala zilukhetho oluphezulu kwizicelo ezithile ezifuna amandla. Iseal yazo engenasici, eyenziwe ngaphandle kwee-O-rings eziguquguqukayo, ibalulekile ekubeni zingakwazi ukuvuza nto. Oku kwenza kube lulaItywina lesinyithi leeBellowsicandelo elibalulekileyo kwiinkqubo ezininzi. Ukuthintela ukuvuza kubonelela ngokonga okukhulu kweendleko. Ukuvalwa kokuvuza kwi-intanethi kunokunciphisa iindleko ngama-60-80% xa kuthelekiswa nokulungiswa kwesiqhelo kokuvala, okugxininisa ixabiso lesixhobo esithembekileyoItywina leMechanical yeBellowsUmzekelo, iItywina leBellows yentsimbi engagqwaliyookanyeItywina leeBellows ezifakwe kwi-PTFEinika ukusebenza okugqwesileyo.Itywina leBellows elimelana nokugqwalaibalulekile kwiindawo ezinzima. Kwanabathengisi beevalvu ze-brass solenoid bayaqonda ukubaluleka kokungavuzi nto kwiinkqubo zabo.

Izinto ezibalulekileyo ekufuneka ziqwalaselwe

• Izivalo zentsimbi zilungele ukuthintela ukuvuza kwiindawo ezinzima. Zisebenza kakuhle xa kushushu kakhulu okanye kubanda kakhulu kunye neekhemikhali ezinamandla.
• Ezi zimpawu zihlala ixesha elide kwayeakufuneki ukulungiswa kakhuluOku konga imali kwaye kugcina iinkqubo zisebenza kakuhle.
• Izitywini zentsimbi ezisetyenziswa kwizixhobo eziyingozi okanye kwiinkqubo ezicocekileyo kakhulu. Zikwasetyenziswa nakwiinqwelomoya nakwizikhululo zamandla enyukliya.
• Ekuqaleni zibiza kakhulu kwaye kunzima ukuzifaka. Zingaphuka nokuba zincinci okanye zishukuma kakhulu.
• Ukukhetha isitywino esifanelekileyo kuthetha ukujonga ukuba umsebenzi ufuna ntoni. Ngamanye amaxesha, ezinye izitywino zisebenza ngcono, ingakumbi ukuba umsebenzi awunzima kangako okanye iindleko azifanele zibe phantsi.

Ukuchaza iiMetal Bellows Seals ukuze zingavuzi

Yintoni Eyenza Itywina Lesinyithi Le-Bellows

Izitywino zentsimbi ezithambileyo zizinto eziguquguqukayo. Zenziwe ngee-diaphragms zesinyithi ezibhityileyo. Abavelisi badibanisa ezi diaphragms kunye. Oku kwenza isakhiwo esincinci, esifana nentwasahlobo. Intsimbi engatyiwayo yinto eqhelekileyo yokwakha. Ukuqina kwayo kunceda ukugcina ukuvuza kuqinile. Ezinye izinto eziphambili ziquka i-Inconel, i-Hastelloy, kunye ne-Alloy C276. I-Alloy 276 inika amandla aphezulu oomatshini kunye nokumelana nokugqwala. I-AM350 kunye ne-Inconel 718 nazo ziyasetyenziswa. Iinjineli zikhetha ezi zinto ngokusekelwe kubushushu bokusebenza, uxinzelelo, kunye nokuhambelana kwemidiya.

Umgaqo we-Hermetic Seal

Itywina elivalekileyo lenza umda olungileyo, ongenakungena. Lithintela ukuvezwa okanye ukungcola okungafunekiyo.Izitywino zentsimbi ezidityaniswe ngomphethoBafezekisa lo mgaqo. Basebenzisa ii-diaphragms zesinyithi ezibhityileyo. Abavelisi badibanisa ezi diaphragms emaphethelweni azo. Oku kwenza i-assembly epheleleyo, yesinyithi esipheleleyo, edibeneyo. Olu yilo luvumela intshukumo ngelixa kugcinwa itywina elingangeni manzi. Emva kokudityaniswa, ii-bellows ezifakwe kwi-hermetic ziyavavanywa ukuvuza kwegesi ye-helium tracer. I-mass spectrometer iqinisekisa ukuba azinawo amanzi ngokupheleleyo. Olu vavanyo luhlala luqinisekisa izinga lokuvuza eliyi-≤ 1×10⁻⁷ scc/sec okanye ngaphezulu. Oku kuqinisekisa ukuba akukho manzi avuzayo ngaphambi kokuhanjiswa.

Indlela iiMetal Bellows ezifikelela ngayo ekuthinteleni ukuvuza

Iintsimbi zentsimbi zithintela ukuvuza ngokusebenzisa iindlela ezithile. Zenza umqobo oqhubekayo phakathi kwesiqu sevalvu kunye nokusingqongileyo. Oku kususa iindlela ezinokubakho zokuvuza. Uhlobo lwazo oluguquguqukayo luvumela ukutywinwa okusebenzayo. Zigcina ukuthembeka kwanangexesha lokuhamba kwevalvu. Uxinzelelo lwenkqubo ludla ngokuphucula isiphumo sokutywinwa. Oku kuphucula ukusebenza kwiingcinezelo eziphezulu. Iintsimbi zikwahlawula ukwanda kobushushu. Ziyanwebeka okanye zicinezele ukuze zivumelane notshintsho kubude becandelo. Oku kuthintela ukwakheka koxinzelelo kwaye kugcina ukuthembeka kwetywina. Isakhiwo esiguquguqukayo sivumela iintshukumo ze-axial kunye ne-angular. Siqinisekisa ukutywinwa okuqinileyo phakathi kobuso obumiyo nobojikelezayo. Indlela ezinika amandla igcina amandla angaguqukiyo kubuso betywina. Oku kuqinisekisa ukudibana okufanelekileyo kunye nokutywinwa phantsi kweemeko eziguquguqukayo.

Iingenelo ezingenakuthelekiswa nanto kwiindawo ezifuna kakhulu

Izitywini zentsimbi zibonelela ngeenzuzo ezahlukeneyo kwiindawo zoshishino ezinzima. Zisebenza ngokuthembekileyo xa ezinye izisombululo zokutywina zingaphumeleli. Uyilo lwazo lubonelela ngokusebenza okuphezulu phantsi kweemeko ezinzima.

Ubushushu Obugqithisileyo kunye Nokumelana Noxinzelelo

Iiseal zeMetal Bellows zibalaseleyo kwiindawo ezinamaqondo obushushu aphezulu kunye noxinzelelo. Zigcina ukuthembeka kwazo kuluhlu olubanzi lokusebenza. Umzekelo, iiseal zeType 606 zisebenza ukusuka kwi -75°C ukuya kwi-425°C (-100°F ukuya kwi-800°F). Ziphatha uxinzelelo oluvela kwi-vacuum ukuya kwi-25 bar(g) (360 psi(g)) kwiidizayini ze-single-ply. Iinguqulelo ze-Double-ply zilawula uxinzelelo oluya kwi-69 bar(g) (1000 psi(g)). Iiseal ze-metal bellows ze-JC 609 nazo ziyamelana neemeko ezinzima. Zisebenza ukusuka kwi -75℃ ukuya kwi +350℃ kwaye ziphatha ukulinganiswa koxinzelelo ukuya kwi-20 bar.

Ezi zitywini zibonisa ukuqina okumangalisayo kwi-thermal cycling. Ulwakhiwo lwazo olune-corrugated luvumela intshukumo ebalulekileyo ye-axial. Oku kubamba ngempumelelo uxinzelelo lokukhula kobushushu. Ukuhanjiswa kobushushu kwesakhiwo sesinyithi kwenza kube lula ukutshatyalaliswa kobushushu ngokukhawuleza. Oku kuthintela iindawo ezishushu zasekuhlaleni. Izitywini ze-Metal bellows zimelana nokutshintsha kobushushu okungaphezulu kwama-200°C kwixesha elifutshane. Zibonisa ukuqina okumangalisayo kwiimeko zoxinzelelo lobushushu. Ubomi bazo benkonzo budlula kakhulu ezinye iindlela eziqhelekileyo kwizicelo ezine-thermal cycling eqhelekileyo. Imizekelo ibandakanya iiyunithi ze-coking ezilibazisekileyo okanye imisebenzi yokuqhekeza ii-vis.ulwakhiwo lwe-welded bellowsIdala umqobo oqhubekayo, oqinileyo wokuvuza. Oku kugcina ukuthembeka phantsi koxinzelelo olukhulu lobushushu. Ukuwelda ngokuchanekileyo kususa iindlela zokuvuza ezinokuvela kwi-bellows ezenziwe phantsi kweemeko zokujikeleza kobushushu. I-convolution geometry elungiselelweyo inciphisa uxinzelelo loxinzelelo. Ikwakhulisa ubomi bokudinwa. Izinto ezikhethiweyo ngokukodwa, kubandakanya amanqanaba entsimbi engagqwali, zigcina iipropati zoomatshini kulo lonke ubushushu. Ii-alloys ezikhethekileyo ezinee-coefficients zokwandisa ubushushu ezilawulwayo zinciphisa uxinzelelo ngexesha lokutshintsha kobushushu. Izinto zentsimbi engagqwali eziphezulu (SS304 kunye ne-SS316) zibonisa uzinzo oluphezulu lobushushu. Zimelana nokutshayiswa kobushushu. Ulwakhiwo lwesinyithi lususa iinkxalabo malunga nokudilika kwe-elastomer kunye nokuhlaselwa ngamakhemikhali. Igcina ukuthembeka kwesakhiwo kuwo onke amaqondo obushushu ukusuka kwi--40℃ ukuya kwi-+380℃. Uyilo lwemodyuli luvumela ukwenziwa ngokwezifiso kwiimfuno ezithile zokujikeleza kobushushu. Iinjineli zichaza iiparameter ze-bellows ezifana nokubalwa kwe-convolution, ububanzi, kunye nobukhulu bodonga. Into ye-bellows eguquguqukayo ivumela intshukumo ye-axial ebangelwa kukwanda kobushushu. Oku kuthintela ukubopha kunye nokuguguleka kwangaphambi kwexesha.

Ukuhambelana okuphezulu kweekhemikhali kunye nokumelana nokugqwala

Izitywini zentsimbi zibonelela ngokuhambelana okuphezulu kweekhemikhali. Zimelana neendidi ezahlukeneyo zezinto ezirhabaxa. Oku kuzenza zilungele ukucubungula iikhemikhali kunye nezinye izinto ezifuna amandla.

Iipropati ezininzi zezinto ezisetyenzisiweyo zinegalelo kule ntsebenziswano igqwesileyo yeekhemikhali. Izixhobo zobuso be-seal ezikhethekileyo kunye ne-metallurgy zibalulekile. Iikhemikhali ezibolayo zifuna izixhobo ezithile zobuso be-seal kunye nokwakheka kwazo kwe-metallurgical. Ii-silicon carbide seal zibonelela ngobunzima obuphezulu kunye nokumelana neekhemikhali. Zilungele ukusetyenziswa kwe-abrasive okanye i-corrosive kwimizi-mveliso efana nokucubungula iikhemikhali kunye ne-pulp kunye nephepha. Amanqanaba entsimbi engagqwaliyo (SS304, SS316) abonelela ngokumelana nokugqwala okuhle kakhulu kwizicelo ezininzi zemizi-mveliso. Ii-alloys zangaphandle ezifana neHastelloy C kunye ne-Inconel 718 zibonelela ngokusebenza okuphezulu kwiindawo ezigqwala kakhulu. Ukungabikho kwe-elastomeric seals kwindlela ephambili nako kubalulekile. Ngokungafaniyo ne-seals zemveli, i-metal bellows seals isusa imfuneko ye-O-rings okanye ezinye i-elastomeric seals kwi-primary sealing element. I-Elastomeric seals idla ngokuguga kwaye yonakale yikhemikhali. Oku kungabikho kuphucula kakhulu ukuhambelana kweekhemikhali.

Ubomi beNkonzo eyongeziweyo kunye noLondolozo oluNcinci

Izitywini zentsimbi zinika ubomi obude xa kuthelekiswa nezinye iintlobo zezitywini. Oku kunciphisa ixesha lokungasebenzi kunye neendleko zokulungisa.

Izitywini zentsimbi zibonisa unyamezelo olumangalisayo kwimisebenzi yobushushu obuphezulu. Oku kuqwalaselwa kakhulu ekucutshungulweni kweekhemikhali okanye kwiindawo zokucoca ioyile. Ukwandiswa okubangelwa bubushushu kungonakalisa ukuthembeka kwezitywini. Oku kuqina okuphuculweyo kokwandiswa kobushushu kunegalelo kubomi bazo benkonzo ende kwiimeko ezinzima kangaka.

Nangona izitywini zentsimbi ziqinile, zisaxhamla kwishedyuli yokuhlolwa ecwangcisiweyo. Oku kuqinisekisa ukusebenza kakuhle kunye nobude bexesha.

• Ukusetyenziswa koxinzelelo oluphezulu kudla ngokufuna ukuhlolwa ngamehlo nyanga zonke.
• Uvavanyo lokusebenza lwekota nalo luyimfuneko.
• Uvavanyo oluneenkcukacha zonyaka lunokubandakanya ukuqhaqhwa okungaphelelanga kovavanyo lwangaphakathi lwecandelo.
• Iindlela zokuhlola ezibanzi ziquka indlela enamacala amaninzi. Oku kudibanisa uhlolo olubonakalayo, ukujonga ukusebenza, kunye neendlela eziphambili zokuxilonga. Izixhobo ezikhethekileyo ezifana neeborescopes, izixhobo zomfanekiso wobushushu, ii-vibration analyzers, kunye neenkqubo zokufumanisa ukuvuza ziyasetyenziswa.
• Iindlela zanamhlanje zokuxilonga ziquka ukulinganisa ubukhulu be-ultrasound ukuze kubonwe ukulahleka kwezinto. Uvavanyo lwangoku lwe-Eddy luchonga ukuqhekeka komhlaba ongaphantsi komhlaba. Uhlalutyo lwemifanekiso yobushushu luchonga ukuvuza kwangaphakathi okanye ukungqubana okugqithisileyo.
• Uqeqesho lwabasebenzi kunye nesatifikethi zibalulekile. Abasebenzi bokuhlola banolwazi olukhethekileyo kwi-metallurgy, i-fluid dynamics, imigaqo yobunjineli boomatshini, kunye neenkqubo zokhuseleko. Iinkqubo zokuqinisekisa kunye nokuhlaziywa rhoqo kubalulekile.
• Ukuhlanganiswa neNkqubo yoLawulo loLondolozo lweKhompyutha (i-CMMS) kubalulekile. I-CMMS inceda ekucwangcisweni okucwangcisiweyo kokuhlolwa. Igcina iirekhodi ezipheleleyo zeziphumo, amanyathelo okulungisa, kunye nembali yokutshintshwa kwamacandelo. Oku kuxhasa uhlalutyo lweendlela kunye nokuchongwa kwendlela yokusilela.

Xa iiMetal Bellows Seals zilona khetho luphezulu

Izitywino zentsimbiazisoloko zilukhetho olufanelekileyo. Nangona kunjalo, ziba sisisombululo esiphezulu kwiimeko ezithile. Ezi meko zibandakanya iimeko eziqatha okanye iimfuno zokhuseleko ezibalulekileyo. Uyilo lwazo olukhethekileyo kunye neempawu zezinto ezibonakalayo zizenza zibe yeyona nto ibalulekileyo kwezi ndawo zinzima.

Izicelo zeMidiya eziBalulekileyo neziyingozi

Izitywino zentsimbi zibalulekile kwiinkonzo ezibalulekileyo ezibandakanya izinto eziyingozi. Zibonelela ngokhuseleko oluphezulu kunye nokusebenza kakuhle xa kuthelekiswa neevalvu zesitywino zokupakisha. Ukutywinwa kwazo okungenamoya, iimfuno zokugcinwa ezinciphileyo, kunye nokuhambelana okuhle kweekhemikhali kuzenza zibe lukhetho olukhethwayo. Oku kuyinyani ngakumbi kwizicelo ezinomngcipheko ophezulu kunye nezixhobo ezinobuthi neziyingozi.

Cinga ngezixhobo zokuvelisa umbane, kuquka amandla enyukliya kunye namandla avuselelekayo. Iimeko apha zibandakanya amaqondo obushushu agqithisileyo, uxinzelelo oluphezulu, kunye neendawo ezingcolisayo. Ezi ziquka umphunga, igesi yolwelo, izisombululo ze-brine ezingcolisayo ezine-H2S/CO2, kunye netyuwa enyibilikisiweyo engaphezulu kwama-500°C. Ukuvezwa kwimitha nako kuyimbangela. Izitywini zentsimbi ezibengezelayo ziyimfuneko ekuthembekeni nasekusebenzeni okuqinileyo kokuvuza. Zibonelela ngokuxinana kunye nokumelana nemitha kuba azinazo ii-elastomers zendalo. Zikwabonelela ngokumelana nobushushu kunye nokuzinza kobukhulu.

Kwiindawo zaselwandle nasemaphandleni,izitywino zentsimbiukujongana nokugqwala kwamanzi anetyuwa kunye nomthwalo oguqukayo. Zikwasebenza kwiimeko ezahlukeneyo kwaye zichaphazeleka yi-hydrocarbon. Ukufikelela kulondolozo kudla ngokunqongophala. Ezi zitywini zibonelela ngokumelana nokugqwala ngokusebenzisa izixhobo zomgangatho wolwandle. Zibonelela ngokuthembeka kwiinkqubo zokuqhubeleka, oomatshini beedekhi, kunye nezixhobo zeqonga laselwandle. Zikwagcina ukuthembeka phantsi komthwalo oguqukayo.

Imisebenzi yokucubungula ioyile negesi ibonakalisa amaqondo obushushu agqithisileyo, ukusuka kwi-cryogenic ukuya kwi-380°C. Uxinzelelo lunokufikelela kwi-25 bar. Imidiya enamandla efana ne-H2S, izinto eziphuma kwioyile eluhlaza, kunye nee-petrochemical compounds zixhaphakile. Ukubhitya kwe-hydrogen kunye nokugqwala kwesulfure nazo zizinto ezixhalabisayo. Izitywina ze-metal bellows zibonelela ngezakhono eziphezulu ekucutshungulweni kwe-hydrocarbon. Zibonelela ngokuhambelana kweekhemikhali, uzinzo lobushushu, kunye nokuqina koomatshini. Zisusa ubuthathaka bezinto ze-elastomeric kwaye zandisa amaxesha eenkonzo.

Ukwenziwa kweekhemikhali kunye nokuveliswa kwamayeza nako kuxhomekeke kwezi zitywini. Ezi shishini zijongana noluhlu olubanzi lwezinto ezihlaselayo. Oku kuquka ii-asidi ezinamandla, ii-alkali, izinyibilikisi zendalo, kunye nezixokelelwano ezisabelayo. Amaqondo obushushu aqala kwi--40°C ukuya kwi-+380°C, kwaye uxinzelelo lunokufikelela kwi-25 bar. Uyilo olucocekileyo kunye nokuthintela ungcoliseko kubalulekile. Izitywini zesinyithi zinika ukumelana okungokwemvelo nohlaselo lweekhemikhali. Zigcina ukuthembeka kwetywini kwaye zisusa iindlela zokuvuza ukuze imveliso icoceke. Zikwabonelela ngokuguquguquka kwindibaniselwano yezinto kunye noyilo oluqinileyo lokuthembeka kwenkqubo.

Iinkqubo zokuCoca kakhulu kunye nokuVutha

Iintsimbi zentsimbi ezitywiniweyo zilungele ukusetyenziswa okudinga ubunyulu obuphezulu kunye ne-vacuum. Zigcina amanqanaba e-vacuum ngokuthembekileyo kwaye zithintela ungcoliseko. Ii-valves ze-Swagelok, umzekelo, zinoyilo olungenazipakethi kunye ne-vacuum edibeneyo. Olu yilo lufezekisa ukusebenza okuthembekileyo nokungavuzi. Ezi valve zilungele ukusetyenziswa apho i-vacuum ibalulekileyo, kubandakanya inkonzo eqhelekileyo kunye neyobunyulu obuphezulu. Oku kubonisa amandla azo okugcina i-vacuum kwiinkqubo ezinjalo.

Izitywini zentsimbi ezithambileyo zifanelekile kwizicelo zokucoca umoya ezikumgangatho ophezulu kakhulu kunye nezicelo zokucoca umoya eziphezulu kakhulu. Igama lazo elithi 'Ultra High Purity & Ultra High Vacuum Seals' lithetha ukuba ziyakwazi ukugcina uxinzelelo oluphantsi kakhulu kwiinkqubo zokucoca umoya eziphezulu. Zithintela ungcoliseko kwiindawo zokucoca umoya eziphezulu kakhulu.

• Iintsimbi zentsimbi zisebenza njengezivali eziguquguqukayo nezingenamoya. Ziyamelana nokuhamba, ukwanda kobushushu, kunye nokungcangcazela ngaphandle kokuphazamisa ukuthembeka kwe-vacuum.
• Zenziwe ngentsimbi engagqwaliyo yodidi oluphezulu okanye ezinye ii-alloys ezimelana nokugqwala. Ii-corrugations zibonelela ngokuthamba ukuze kwandiswe, kunciphe, kwaye kufunxwe ukungcangcazela.
• Inkqubo yokuvelisa ibandakanya ukwenziwa ngokuchanekileyo kunye nokudityaniswa. Oku kuqinisekisa ukutywinwa okufudumeleyo kunye nokuqina. Ezi mpawu zibalulekile ekuthinteleni ukuvuza kunye nongcoliseko.
• Ezi zinto zimelana neemeko ezinzima zokukhupha umoya. Zihlala zifikelela kuxinzelelo olungaphantsi kwe-10^-9 Torr.

Kwiindawo ezine-vacuum ephezulu kakhulu, ii-metal bellows zisebenza njengezinto ezitshintshayo zokutywina. Zigcina ukuthembeka kwenkqubo ngokwenza ii-seal ezivalekileyo. Ezi seal zibalulekile ekuthinteleni ukuvuza kunye nokungcola. Zenza oku nangona zilungele intshukumo kunye nokwanda kobushushu. Ukukwazi kwazo ukugoba nokucinezela ngelixa zigcina i-seal efanelekileyo kuzenza zibe luncedo kakhulu. Zigcina ubunyulu bee-vacuum rooms.

Ukusetyenziswa kweenqwelo-moya, iNyukliya, kunye neMizi-mveliso ekhethekileyo

Izitywini zentsimbi zidlala indima ebalulekileyo kwi-aerospace, i-nyukliya, kunye nezinye iindlela ezikhethekileyo zoshishino. Ukuthembeka kwazo kunye nokusebenza kwazo akunakuthelekiswa nanto kwezi ndawo.

Kwinqwelo-moya, izitywino zentsimbi ezisetyenziswa kwimisebenzi emininzi ebalulekileyo:

• Iinjini zeenqwelo-moya
• Iinkqubo zepetroli
• Iinkqubo ze-hydraulic
• Iinkqubo zolawulo lokusingqongileyo

Ezi zitywini zibonelela ngoyilo oluncinci kunye nokusebenza okuqinileyo kokuvuza. Zikwasebenza ngaphandle kokuthambisa kwangaphandle. Oku kuzenza zilungele iimeko ezinzima zokubhabha.

Kwimveliso yamandla enyukliya, izitywini zentsimbi ezifakwa kwisinyithi zibalulekile ekukhuselekeni nasekuthinteleni.

• Iintsimbi zesinyithi zifakwe kwiivalvu zeglobe ze-bellows ze-nuclear-grade. Oku kuyinyani ngakumbi kwiindawo ezilukhuni ukufikelela kuzo kwizikhululo zamandla enyukliya.
• Ziyinxalenye yolwakhiwo lwe-dual-seal. Oku kuquka zombini i-bellows zesinyithi kunye nokupakisha. Olu yilo luthintela ukuvuza kwangaphandle kwaye lunciphisa impembelelo kwindalo esingqongileyo.
• Olu yilo lunciphisa kakhulu umngcipheko wokuvuza kweflange esembindini. Lukwanciphisa nexesha lokugcinwa kwevalvu. Oku kuncedisa kukhuseleko kunye nokugcinwa kwayo yonke into.

Iintsimbi zesinyithi eziguquguqukayo zisetyenziswa ekungeneni koxinzelelo kwizityalo zamandla enyukliya. Ukuthembeka kwazo kokusebenza ixesha elide kubalulekile kwiinkqubo zoxinzelelo. Oku kubaluleke kakhulu njengoko izityalo zikhula. Ukubeka esweni nokujongana neendlela zokuwohloka kwezi ntsimbi kubalulekile. Oku kuyinyani ngakumbi kwabo baphantsi komthwalo ojikelezayo. Kunciphisa ukuphazamiseka, kwandisa ukhuseleko, kwaye kwandisa ubomi bezityalo. Iintsimbi zesinyithi zibalulekile ekuvelisweni kwamandla enyukliya ngenxa yokumelana kwazo nemisebe kunye nokuthembeka. Ezi mpawu zibalulekile kukhuseleko. Ukwakhiwa kwazo kwesinyithi sonke kubalulekile kwiindawo apho ukusilela kwetywina kunokukhokelela kwimiphumo emibi yokhuseleko. Umgaqo wokuthintela kabini ngentsimbi yesibini njengesitywina esiqinileyo esivuzayo usebenza ngokuthe ngqo kukhuseleko lwenyukliya. Olu yilo luqinisekisa ukuba ukuba intsimbi yokuqala iyasilela, inkqubo yesibini ithintela ukukhutshwa kwezinto ezinobungozi. Oku kuphucula ukuthintela kunye nokhuseleko kwiimeko zenyukliya.

Imida kunye nezinto ekufuneka ziqwalaselwe kwiMetal Bellows

Izitywino zentsimbizibonelela ngeenzuzo ezininzi. Nangona kunjalo, zikwanazo nemida ethile. Iinjineli kufuneka ziqwalasele ezi zinto ngexesha loyilo lwenkqubo. Ukuqonda le mida kunceda ekwenzeni izigqibo ezinolwazi.

Iindleko zokuqala kunye nobunzima bokufakelwa

Izitywini zentsimbi ezikhalayo zihlala zinexabiso eliphezulu lokuqala. Iinkqubo zazo zokwenza izinto ezikhethekileyo zinegalelo kule ndleko. Izinto ezisetyenziswayo, ezifana neHastelloy okanye iInconel, nazo zibiza kakhulu. Ukufakela kufuna izakhono ezikhethekileyo kunye nokuchaneka. Ukufakela ngendlela engafanelekanga kunokubeka emngciphekweni ukuthembeka kwesitywini. Olu bunzima lunokunyusa iindleko zeprojekthi iyonke.

Ukuguquguquka kunye neMiqobo yeStroke

Izitywini zentsimbi ezineentsimbi zinemida enxulumene nokuguquguquka kunye nokubetha. Uyilo lwazo lulawula uluhlu oluthile lwentshukumo. Ukudlula le mida kunokukhokelela ekudinweni nasekusileleni kwangethuba. Iinjineli kufuneka zibale ngononophelo iintshukumo ezifunekayo ze-axial kunye ne-angular. Oku kuqinisekisa ukuba iintsimbi zisebenza ngaphakathi kwemilinganiselo yazo yoyilo. Lo mda uzenza zingafaneleki kwizicelo ezifuna intshukumo enkulu okanye engalindelekanga.

Ukwaluphala komonakalo we-particulate

Izitywini zentsimbi ezisebenzisa i-metal bellows zisengozini yokonakala kweenxalenye ezithile. Iinxalenye ezirhabaxa kwindawo yokusebenza zinokunciphisa kakhulu ubomi bazo. Ukuvezwa kwezi nxalenye kukhawulezisa ukuguguleka nokuguquka kwazo. Oku kukhokelela ekungasebenzini ngokukhawuleza kwesitywini.

• Ukuvaleka: Izinto ezincinci zinokuqokelelana ngaphakathi kwe-bellows. Oku kuthintela ukugoba okufanelekileyo. Kunciphisa ukusebenza kakuhle kokutywina kwaye kubangela ukungaphumeleli kokutywina kwangaphambi kwexesha.
• Ungcoliseko: Izinto eziyinxalenye yento ziyayonakalisa impahla yokutywina. Ziyayibeka emngciphekweni impawu yazo yokutywina.
• Ukonakala nokonakala kweMishini: Amasuntswana arhabaxa akhawulezisa ukuguguleka kunye nokuguquka kwe-bellows. Oku kukhokelela ekungasebenzini ngokukhawuleza kwe-seal.

Iimeko zokusebenza, kuquka ubukho bee-abrasive particles, zinefuthe elikhulu ekubeni ezi seal zihlala ixesha elingakanani. Iinjineli kufuneka zisebenzise iinkqubo zokucoca ezisebenzayo kwiindawo ezine-particles ezininzi. Oku kukhusela ii-bellows kwaye kwandisa ubomi benkonzo yazo.

Ezinye Izisombululo: Xa Izitywina Ezingezizo Zesinyithi Ziphumelela

Izitywini zentsimbi zibonelela ngokusebenza okugqwesileyo kwiimeko ezinzima. Nangona kunjalo, azisoloko zilukhetho olufanelekileyo.izisombululo zokutywina, ingakumbi izitywino ezingezizo ezesinyithi, zihlala zibonelela ngeenzuzo ezisebenzayo nezingabizi kakhulu kwizicelo ezingqongqo kangako. Iinjineli ziqwalasela ezi ndlela xa iiparameter ezithile zeprojekthi zivumela.

Izicelo ezineemfuno eziphantsi

Ukusetyenziswa okuninzi akudingi ukuqina okugqithisileyo kweentsimbi zesinyithi.Izitywino ezingezizo ezesinyithiZisebenza kakuhle kwiinkqubo ezineemfuno eziphantsi zoxinzelelo kunye nobushushu. Zibonelela ngokutywinwa okuthembekileyo ngaphandle kweendleko ezikhethekileyo zezinto.

• IiGaskets zerabhaEzi gasket zisebenzisa ii-elastomers ezifana ne-NBR, i-EPDM, kunye ne-Viton. Zilungele amaqondo obushushu aphakathi kunye noxinzelelo.
• IiGasket zeCorkEzi gasket zivala iinkqubo ezinoxinzelelo oluphantsi. Zinika ukucinezeleka okuhle kunye nokuqina.
• Iigasket zePTFEEzi gasket zikwazi ukumelana namaqondo obushushu afikelela kwi-260°C (500°F). Ziyaziwa ngokuxhathisa iikhemikhali.
• Iidiaphragms ze-EPDM (ezigqunywe yi-PTFE): Ezi zisemgangathweni kwizitywina ze-diaphragm ezingezizo ezesinyithi. Zisebenza kakuhle kwimidiya erhabaxa kunye nokusetyenziswa kwamanzi amdaka. Zinoxinzelelo oluphezulu lwe-160 psi.
• I-PVC, i-PP, kunye ne-PVDF: Abavelisi basebenzisa ezi zinto xa besenza izinto ezingaphantsi kwesakhiwo kwiiseal ze-diaphragm ezingezizo ezesinyithi. Zilungele imiqolo yolwelo ecocekileyo kakhulu okanye enokubola kakhulu.

Iiprojekthi Ezinobuzaza Ngeendleko Neemfuno Zokuguquguquka

Ixabiso lidla ngokuqhuba ukukhethwa kwezinto kwiiprojekthi ezininzi. Izitywino ezingezizo ezesinyithi zibonelela ngokhetho olungabizi kakhulu. Izitywino zeplastiki zezona zikhetho zingabizi kakhulu. Zineendleko zokuvelisa eziphantsi kwaye zilula. Izitywino zerabha zibiza ngaphezu kweplastiki. Iinkqubo zazo zokuvelisa ziyinkimbinkimbi ukuze zifikelele ekuthambekeni nasekuqineni. Izitywino zesinyithi zihlala zibiza kakhulu. Ukusebenza kwazo okuhlala ixesha elide kwiimeko ezinzima kuqinisekisa ixabiso eliphezulu kwizicelo ezibalulekileyo.

Izitywino zerabha ngokubanzi zibiza kancinci kunezitywino zesinyithi. Oku kuzenza zibe lukhetho olukhethwayo kwiiprojekthi ezineengqalelo zebhajethi. Izitywino zerabha, kuquka izinto ezifana ne-EPDM kunye ne-FDA White Buna, zihlala zibiza kancinci kunezitywino ze-silicone. Oku kuzenza zibe lukhetho olunoxabiso oluphantsi kwiizicelo ezininzi. Oku kuyinyani ngakumbi kwiimveliso ezinkulu apho imida yeendleko ibalulekile. Bafezekisa oku ngaphandle kokubeka emngciphekweni ukusebenza.

Ukuhambelana neMidiya ethile

Ezinye izinto ezisetyenziswayo zisebenzisana ngcono nezinto ezingezizo ezesinyithi. Umzekelo, i-PTFE inika ukumelana okubanzi kweekhemikhali. Iphatha phantse zonke iikhemikhali. I-EPDM isebenza kakuhle namanzi, umphunga, kunye neekhemikhali ezininzi ze-polar. Ikwafaneleka nee-asidi ezithambileyo kunye nee-alkalis. I-PVC, i-PP, kunye ne-PVDF zifanelekile kwiintambo zolwelo ezicocekileyo kakhulu okanye ezirhabaxa kakhulu. Ezi zinto zithintela ungcoliseko okanye ukubola okunokufikelelwa zii-seal zesinyithi.

Ukukhetha iSeal echanekileyo: Ngaphaya kweMetal Bellows

Iinjineli kufuneka zijonge ngaphaya kwezitywino zentsimbi kwiindlela ezininzi zokusebenza. Kufuneka ziqwalasele iimfuno ezithile zenkqubo nganye. Oku kuqinisekisa ukusebenza kakuhle kunye nokusebenza kakuhle kweendleko.

Ukuvavanya iiMfuno eziKhethekileyo zeSicelo

Ukukhetha isitywino esichanekileyo kufuna uvavanyo olucokisekileyo lweemfuno ezithile zesicelo. Iinjineli zivavanya izalathisi ezininzi zokusebenza eziphambili. Ukusebenza kobushushu obuphantsi kubalulekile kwiindawo ezibandayo. Zilinganisa oku ngokubuyela umva kobushushu obuphantsi kunye nokuguquguquka. Ukumelana neoyile kunye neekhemikhali kukhusela ekuvezweni kweendaba. Ukuvezwa kunokubangela ukwanda komthamo, ukunciphisa amandla, kunye notshintsho lomgangatho wezinto. Ukumelana nokwaluphala, okanye ukumelana nemozulu, kulinganisa utshintsho kumandla, ubude, kunye nobunzima emva kokuvezwa kwizinto ezingqongileyo. Ezi zinto ziquka ioksijini, i-ozone, ubushushu, ukukhanya, kunye nokufuma.

Ezinye izinto ezibalulekileyo ziquka:

• Ukusebenza kokutywina: Ivavanywa ngokwenani lokuvuza, uxinzelelo lokuvuza, kunye nesantya sokuvuza.
• Ukumelana nobushushu obuphezulu: Ivavanywa ngokuqina, amandla okutsalwa, kunye nesantya sokwandiswa phantsi kobushushu obuphezulu.
• Ukumelana nokunxiba: Ilinganiswa ngobungakanani bokuguguleka, isantya sokuguguleka, kunye nobomi bokuguguleka.
• Ukumelana nokugqwala kweekhemikhali: Ixhomekeke kwisantya sokugqwala kweekhemikhali kunye nobushushu bokumelana nokugqwala kweekhemikhali.
• Uvavanyo lobomi: Iboniswa linani lemijikelo yokutywina kunye nexesha lokusetyenziswa.

Indima yababoneleli beBrass Solenoid Valve kuYilo lweNkqubo

Ababoneleli ngeevalvu ze-brass solenoid badlala indima ebalulekileyo kuyilo lwenkqubo iyonke kunye nokukhetha isitywino. Banikezela ngemizimba yobhedu ukuze ihambelane ngokubanzi nolwelo olwahlukeneyo. Oku kunefuthe kuyilo lwenkqubo iyonke. Ababoneleli ngeevalvu ze-brass solenoid bakwabonelela ngesikhokelo sokukhetha isitywino. Esi sikhokelo sisekelwe kwikhemistri yolwelo, uluhlu lobushushu, kunye neearhente zokucoca. Bacebisa izixhobo ezifana ne-EPDM zamanzi, iViton/FKM yeefriji kunye neeoyile, kunye ne-PTFE kumaqondo obushushu aphezulu okanye imidiya enamandla. Ngaphezu koko, ababoneleli ngeevalvu ze-brass solenoid banikezela ngenkxaso yobunjineli. Le nkxaso iguqulela iimeko zokusebenza zibe yi-geometry yevalvu efanelekileyo, izixhobo, kunye neepakethe ze-coil. Oku kuchaphazela ngqo uyilo lwenkqubo. Ubuchule obuvela kubaboneleli ngeevalvu ze-brass solenoid bunceda ukuqinisekisa isitywino esifanelekileyo somsebenzi.

Ukulinganisela Ukusebenza, Iindleko, kunye Nobude Bexesha

Ukulinganisela ukusebenza, iindleko, kunye nobude bexesha kubalulekile ekukhetheni isitywina. Iinjineli ziphucula urhwebo phakathi kokufikelela ekuvuzeni okuncinci kunye nokunciphisa ukuguguleka. Oku kubandakanya ukunciphisa umthwalo, ukukhetha izinto, ukuphucula ukuthambisa, kunye nolawulo lobushushu. Ukuqonda i-Stribeck curve kunceda ukusebenzisa izitywina ngaphakathi kweenkqubo zokuthambisa ezifanelekileyo. Oku kulinganisela ukuguguleka kunye nokuvuza. Amaqhinga aquka iindlela zokulinganisela eziguquguqukayo, i-adaptive geometry, izixhobo ezikrelekrele, kunye nokulungiswa kwesicelo esithile.

Ulawulo lobushushu lujongana nokuveliswa kobushushu ngenxa yokungqubana. Oku kubandakanya ukulawula iindlela zokudlulisa ubushushu kunye nokusebenzisa amaqhinga afana nokuphucula ukusasazwa kobushushu. Ukuphucula ukuthambisa kusebenzisa ukuthambisa ulwelo lwenkqubo okanye ukuthambisa ulwelo oluthintelayo/oluthintelayo. Kukwalawula izinto ezichaphazela umgangatho wokuthambisa. Indlela yoyilo olupheleleyo igxininisa ukwenziwa ngcono kwentsebenziswano. Oku kuqwalasela ukuhambelana kwe-interface-lubrication, ibhalansi yokuguguleka kobushushu, kunye nokurhweba ngokuthambisa nokuvuza. Oku kufezekisa inqanaba elifanelekileyo lokulinganisela.

Iiseal zentsimbi ezikhalayo, nangona zibiza kakhulu ekuqaleni, zikhokelela ekongeni ixesha elide. Zinciphisa iimfuno zokugcinwa kwaye zandisa amaxesha okutshintshwa. Iiseal eziqhelekileyo ekuqaleni zibiza kancinci. Nangona kunjalo, zinokonakala kwangethuba kwaye zinokusilela kwezixhobo kwiindawo ezinzima. Oku kukhokelela kwiindleko eziphezulu zexesha elide ngenxa yokwanda kwamazinga okusilela kunye nokugcinwa. Iindleko ezongezelelweyo zokufaka iseal yentsimbi zichanekile ngokusebenza kwayo kakuhle kwexesha elide. Iiseal zentsimbi ezikhalayo zithembekile, azifuni kugcinwa, kwaye zineubomi benkonzo endeOku kubenza babe sisisombululo esingabizi kakhulu kulo lonke ixesha lomjikelo wobomi bemveliso.

Iiseal zentsimbi ezithambileyo zibonelela ngokusebenza okungenaziphene xa kufikwa kwiimeko ezinzima. Ziyagqwesa kwiimeko ezinokuguquguquka okukhulu kobushushu kunye neendawo ezinoxinzelelo oluphezulu ngenxa yoyilo lwazo oluqinileyo. Iimpawu zazo ezikhethekileyo zizenza zibe lolona khetho luqinisekileyo lobushushu obugqithisileyo, uxinzelelo, kunye neendawo ezirhabaxa. Zenziwe ngezinto eziqinileyo ezifana nentsimbi engagqwaliyo, i-Inconel, kunye neHastelloy, ziqinisekisa isitywina esithembekileyo, esingavuziyo nokuba singaphezulu kwama-500 degrees Celsius. Iindlela ezifanelekileyo zokuvuza ngaphandle kokuvuza zifuna ukhetho olucokisekileyo, olujoliswe kwisicelo esithile. Oku kubandakanya ukukhethwa kwezinto ezibalulekileyo, kuqwalaselwa ijiyometri, ukulinganiswa koxinzelelo, kunye nendlela yenkqubo yephakheji yonke yesitywina.

FAQ

Yintoni isitywino sentsimbi esirhabaxa?

Itywina lesinyithi elithambileyo liyinxalenye eguquguqukayo. Liqulathe ii-diaphragms zesinyithi ezibhityileyo ezidityanisiweyo kunye. Oku kwenza umqobo ongavalekiyo, oqinileyo. Ivumela intshukumo ngelixa igcina itywina. Iinjineli zisebenzisa izinto ezifana nentsimbi engagqwaliyo okanye ii-alloys ezingaqhelekanga.

Kutheni iinjineli zikhetha izitywina zentsimbi xa zifuna ukusetyenziswa?

Iinjineli zikhetha izitywini zentsimbi ngenxa yokusebenza kwazo okuphezulu. Zimelana namaqondo obushushu aphezulu, uxinzelelo oluphezulu, kunye neekhemikhali ezirhabaxa. Zikwabonelela ngesitywini esingenamoya, esithintela ukuvuza. Oku kuqinisekisa ukuthembeka kunye nobomi benkonzo obude kwiindawo ezinzima.

Kukweziphi iindawo apho izitywini zentsimbi ezisetyenziswa kakhulu khona?

Amashishini afana neenqwelo-moya, amandla enyukliya, kunye nokulungiswa kweekhemikhali ahlala ezisebenzisa rhoqo. Zikwabalulekile kwiinkqubo ezicocekileyo kakhulu kunye ne-vacuum. Ezi zitywini zibaluleke kakhulu apho kungekho kuvuza nakungathembeki kakhulu.

Ziziphi iintsilelo eziphambili zeentsimbi ze-bellow seals?

Izitywini zentsimbi ezineentsimbi zinexabiso eliphezulu lokuqala. Ukufakelwa kwazo kunokuba nzima. Zikwanazo nemida yokuguquguquka kunye nokubetha. Zinokonakala ngenxa yamasuntswana arhabaxa. Ezi zinto zifuna ukuqwalaselwa ngononophelo ngexesha loyilo.

Umntu angayisebenzisa njani ukuze andise ubomi benkonzo yesitywina sentsimbi?

Ukukhetha izinto ezifanelekileyo zokusetyenziswa kubalulekile. Ukuhlolwa rhoqo kunye nokunamathela kwiiparameter zoyilo kwandisa ubomi bazo. Ukuzikhusela ekonakaleni kweenxalenye ezithile nako kuyanceda. Iinjineli kufuneka ziqinisekise ukufakwa nokusebenza ngokuchanekileyo.