Izimbozo Zemishini Zentwasahlobo Yamagagasi: Lapho Zisebenza Khona—Nalapho Zingasebenzi Khona

Isingeniso

Izivalo zemishini zentwasahlobo yamagagasi zenzelwe izinhlelo zokusebenza lapho isikhala se-axial silinganiselwe kodwa ukulayisha ubuso okuthembekile kusabalulekile. I-geometry yazo yentwasahlobo ehlangene ingenza kube lula ukwakheka kwezivalo, inciphise ubukhulu behadiwe, futhi isekele ukuxhumana okuqhubekayo phakathi kobuso bokuvala emaphampini amaningi, abaxubi, kanye nemishini ejikelezayo. Kodwa lowo mklamo ofanayo uletha nemingcele: ububanzi bokucindezela, ukubekezelela ukungcola, ukunyakaza kweshaft, kanye nezimo zokusebenza konke kuthinta ukuthi isivalo sentwasahlobo yamagagasi siyisinqumo esihlakaniphile noma indawo ebuthakathaka. Lesi sihloko sichaza ukuthi lezi zibopho zisebenza kanjani, lapho zisebenza kahle khona, kanye nezimo ezenza eminye imiklamo yesivalo ifaneleke kangcono.

Ziyini Izimbozo Zemishini Zentwasahlobo Yamagagasi

Izivalo zemishini zentwasahlobo yamagagasi zidlala indima ekhethekile ekugcinweni koketshezi, zenzelwe ukuhlinzeka ngomthwalo wobuso oqinile ngaphakathi kwezimbobo zesikhala ezilinganiselwe kakhulu. Ngokungafani nezindlela zokuvala zendabuko ezithembele ezakhiweni ezinkulu zekhoyili, lezi zivalo zisebenzisa iphrofayili yentambo egobile, eyisicaba ukuze zenze amandla e-axial. Ukuqonda izimiso eziqondile zemishini ngemuva kwalolu mklamo kubalulekile ekuchazeni ukwakheka kwezivikelo ezifanele zemishini ejikelezayo yezimboni.

Incazelo kanye nezici zomklamo oyinhloko

Embindini walo, uphawu lomshini olusebenzisa i-wave spring lusebenzisa ucingo oluyisicaba oluqhubekayo, olugoqekile olunamagagasi amaningi ngokujika ngakunye ukuze lucindezele ubuso bophawu oluyinhloko. Lokhu kulungiselelwa kuqinisekisa ukuthi ubuso obuhambisanayo—ngokuvamile i-carbon, i-silicon carbide, noma i-tungsten carbide—buhlala buxhumene njalo, buvimbela ukudlula koketshezi ngesikhathi sokusebenza okuguquguqukayo.

Isici esiyinhloko salolu hlobo lokwakha yikhono lalo lokuletha umthwalo oqondile, ofanayo kumjikelezo wamadigri angu-360. Izivalo zentwasahlobo ezijwayelekile zegagasi elilodwa zivame ukukalwa ngezingcindezi zokusebenza ezifika ku-150 psi (10 bar), yize izinhlobo eziningi ezihlanganisiwe zingamukela umehluko wokucindezela okuphezulu. Ukwakhiwa kwentambo eyisicaba kunciphisa isigaba esiphambeneyo, okuvumela ukuhlanganiswa emabhokisini okugcwala ajwayelekile ngaphandle komshini omkhulu wokugaya.

Indlela ezihluke ngayo ezimpahleni zentwasahlobo ezivamile

Umehluko omkhulu phakathi kweziphethu zamagagasi neziphethu zekhoyili ezijwayelekile ze-helical usekusebenzeni kahle kwendawo kanye nokusatshalaliswa komthwalo. Iziphethu ezijwayelekile zekhoyili eyodwa zidinga ubude obukhulu be-axial ukuze zicindezele futhi zikhiqize amandla okuvala adingekayo. Ngokuphambene nalokho, iziphethu zamagagasi zingafinyelela izincazelo zomthwalo ezilinganayo ngenkathi zinciphisa isikhala sokusebenza se-axial esidingekayo ngamaphesenti afinyelela ku-50.

Ngaphezu kwalokho, imiklamo yezintwasahlobo eziningi (esebenzisa uchungechunge lwezintwasahlobo ezincane zekhoyili ezihlelwe ngokuzungeza) inikeza umthwalo ofanayo kodwa ithambekele ekugxileni kokucindezeleka kwendawo uma izintwasahlobo ngazinye ziwohloka. Izintwasahlobo zamagagasi zinikeza indlela yomthwalo eqhubekayo, zinciphisa ingozi yokuguguleka kobuso okungalingani, ngenkathi ziveza ingxenye eyodwa, ehlanganisiwe eyenza kube lula ukufakwa nokugcinwa.

Izici ezibalulekile zokukhetha abathengi bezimboni

Abathengi bezimbonikumele ihlole iziguquguquko eziningana ezincikene lapho icacisa izivalo zentwasahlobo yamagagasi. Ububanzi beshaft, isivinini sokujikeleza, kanye nobukhulu obubonakalayo begumbi lesivalo yikho okubonisa ububanzi obuphezulu obuvunyelwe bangaphandle kanye nobude bokusebenza bentwasahlobo.

Izici zoketshezi zithinta ngqo i-metallurgy; insimbi engagqwali ejwayelekile engu-316 yanele izindawo ezingenobungozi, kanti imithombo enamandla ingadinga ama-alloy e-Hastelloy C-276 noma i-Inconel. Onjiniyela kumele futhi babale izinga eliqondile lentwasahlobo (elilinganiswa ngo-lb/in noma i-N/mm) elidingekayo ukuze kunqotshwe ingcindezi ye-hydraulic kanye nokungqubuzana kwe-elastomer yesibili ngaphandle kokudala ukushisa kobuso okweqile.

Lapho Izimbozo Zemishini Zentwasahlobo Yamagagasi Zisebenza Kakhulu Khona

Izinzuzo zokwakha zeizivalo zemishini zentwasahlobo yamagagasizibonakala kakhulu ezicelweni lapho amapharamitha okusebenza evumelana namandla awo esakhiwo. Uma esetshenziswa endaweni efanele yoketshezi kanye nemvilophu yemishini, lezi zivalo zinikeza ukuthembeka okumangalisayo kanye nesikhathi esimaphakathi esinwetshiwe phakathi kokwehluleka (MTBF).

Izimo zokusebenza ezifanele kanye nezinhlelo zokusebenza

Ama-Wave spring seal asebenza kahle kakhulu ekusetshenzisweni koketshezi oluhlanzekile, olungagugi. Asebenza kahle kakhuluizindawo zokuhlanza amanzi, ukucutshungulwa kwemithi, kanye nokukhiqizwa kweziphuzo zezinga lokudla lapho imidiya epompiwe ingenazo izinhlayiya ezisindayo. Izimo zokusebenza ezifanelekile zihilela uketshezi olune-viscosity ephansi kuya kwephakathi, oluhlala ngaphansi komkhawulo ongu-500 cP.

Ekusetshenzisweni kwe-hydrocarbon okulula kanyeamaphampu okudlulisa amakhemikhaliNjengoba iphatha izinyibilikisi, ingcindezi yobuso efanayo ivimbela ukuhlukana kobuso obuncane okuholela ekukhishweni komoya okubalekayo. Ukungabikho kwezinto eziqinile ezisindayo kuqinisekisa ukuthi isiphethu samagagasi sigcina ukuguquguquka kwaso okucindezelayo, okuvumela ubuso besivalo ukuthi bulandelele ukuphuma komgodi omncane ngempumelelo.

Izinzuzo zemishini emincane kanye nendawo elinganiselwe ye-axial

Inzuzo ebaluleke kakhulu yokusebenza kwezimbobo zentwasahlobo yamagagasi ukusetshenziswa kwazo emishinini emincane. Imiklamo yepompo yesimanje, ikakhulukazi amaphampu e-rotary lobe, amaphampu egiya, kanye namaphampu amafushane e-ANSI centrifugal, avame ukuba namabhokisi okugcwala aqinile ukuze kuncishiswe ukulenga komgodi futhi kuncishiswe ukuphambuka.

Ngokudinga isikhala esingaphansi esingafika ku-50% kunezivalo zemishini zendabuko ze-single-coil, iziphethu zamagagasi zivumela abakhiqizi bemishini ukuthi baklame imiphini yepompo emifushane neqinile. I-shaft emfushane yehlisa isilinganiso se-L3/D4 (ubude be-shaft obuhlukaniswe ububanzi kuya kumandla wesine), obuhlobene ngqo namazinga aphansi okudlidliza kanye nokuphila okunwetshiwe kokuthwala. Lokhu kuqina futhi kwenza kube lula ukufakelwa kabusha kwamalungiselelo e-dual-seal emakamelweni ajwayelekile e-single-seal.

Ukusebenza uma kuqhathaniswa nemiklamo yesivalo evamile

Uma kuqhathaniswa nemiklamo evamile yesivalo, izinhlobo zentwasahlobo yamagagasi zibonisa ukulandelela ubuso okuphakeme kakhulu ezimvilophini eziqinile. Iphrofayili yamagagasi eqhubekayo iqinisekisa ukuthi ukuguquguquka kokuchezuka kuhlala kulawulwa ngokuqinile, ngokuvamile ngaphakathi kuka-±5% kulo lonke uhlangothi lobuso besivalo. Lokhu kusatshalaliswa komthwalo okunembile kuvimbela ukwakheka kwezindawo ezishisayo zasendaweni, ezivame ukubangela ukuqhekeka kokushisa ezintweni zobuso ezibuthakathaka njenge-silicon carbide.

Ngaphezu kwalokho, isisindo esinciphile sentwasahlobo yamagagasi sehlisa amandla e-centrifugal ngesivinini esikhulu sokujikeleza (ngokuvamile esingaphezu kuka-3,600 RPM). Lokhu kuzinza kunciphisa ukuphambuka okuguquguqukayo, okuqinisekisa ukuthi ubuso bokuvala obuyinhloko buhlala bufana futhi ukujiya kwefilimu yoketshezi kugcinwa emazingeni afanele kakhulu e-microscopic.

Lapho Izimbozo Zemishini Zentwasahlobo Yamagagasi Zingasebenzi Kahle

Naphezu kwezinzuzo zazo zendawo kanye nokusatshalaliswa komthwalo, izivalo zemishini zentwasahlobo yamagagasi zinobuthakathaka besakhiwo obuzenza zingafaneleki ezindaweni ezithile zezimboni. Ukusebenzisa lezi zivalo ngaphandle kwefasitela lazo lokusebenza elifanele kuholela ekuhlulekeni kwezingxenye ngaphambi kwesikhathi kanye nesikhathi esibi esingahleliwe sokungasebenzi.

Imikhawulo yezinto eziqinile, i-viscosity, ingcindezi, kanye nokushisa

I-geometry ebonakalayo yeziphethu zamagagasi inciphisa ukubekezelela kwazo imingcele yokusebenza ngokweqile. Zisengozini enkulu yokwehluleka koketshezi olune-total suspended solids ephezulu (TSS) noma ama-slurries abrasive. Ngaphezu kwalokho, ukupompa imithombo enamandla kakhulu edlula i-1,000 cP kungaphazamisa ikhono lesiphethu lokucindezela nokululama, okuholela ekuhlukaneni kobuso.

Ukucindezela kanye nokweqisa kwezinga lokushisa nakho kuyizingozi ezinkulu. Iziphethu zamagagasi ezijwayelekile ngokuvamile zikhawulelwe ezingcindezini ezingaphansi kwama-300 psi (20 bar). Izindawo ezinokucindezela okuphezulu zingabangela ukuthi ucingo oluyisicaba luqhekeke noma luwohloke unomphela. Imikhawulo yezinga lokushisa ivame ukunqunywa ama-elastomer esibili, kodwa ukushisa okukhulu (okudlula ama-200°C) kudinga i-metallurgy ekhethekile yasentwasahlobo, njenge-Inconel 718, ukuvimbela ukulahlekelwa yintukuthelo kanye nokuphumula kwentwasahlobo.

Izingozi ezivamile zokwehluleka njengokungcola kanye nokuvaleka kwentwasahlobo

Indlela evame kakhulu yokwehluleka kwezimbobo zentwasahlobo yamagagasi ukungcola kwezinhlayiya kanye nokuvaleka kwentwasahlobo. Izikhala ezincane, ezisuka esiqongweni ziye esiqongweni ezitholakala ekwakhiweni kwamagagasi zisebenza njengezicupho zemfucumfucu, uketshezi olucwebezelayo, kanye nemikhiqizo enamathelayo. Lapho izinto eziqinile ezilengayo ezingaphezu kwama-micron angu-50 zingena emgodini wentwasahlobo, zingapakishwa ziqine kulezi zikhala.

Uma isivalekile, isiphethu silahlekelwa ukuguquguquka kwaso okuguquguqukayo. Lesi simo, esaziwa ngokuthi 'ukulenga,' sivimbela isiphethu ukuthi singasunduzi ubuso besivalo phambili ukuze silungise ukuguguleka okuvamile noma ukwanda kokushisa komgodi. Ngenxa yalokho, isivalo sibhekene ngokwehlukana, okuholela ekuvuza koketshezi okubi kakhulu kanye nezingozi ezingaba khona zemvelo.

Lapho ukhetha khona ezinye izinhlobo zesivalo

Onjiniyela bezitshalo kumele bacacise ubuchwepheshe obuhlukile bokuvala lapho behlangana nama-slurry asindayo, amakhemikhali akhiqiza i-crystallizing, noma ama-polymer aqinile kakhulu. Ama-seal ensimbi ahlanganiswe ngomphetho ayindlela ekhethwayo yokusetshenziswa kwezinga lokushisa eliphezulu noma lokwenza i-crystallizing, njengoba ukwakheka kwawo okuvulekile kususa izikhala ezincane lapho izinto eziqinile ziqongelela khona.

Kuma-slurry asindayo abrasive atholakala ezimbonini zezimayini noma ze-pulp kanye nephepha, izivalo zentwasahlobo eziqinile ze-single-coil ezine-diameter enkulu yensimbi zinikeza ukuqina okudingekayo. Isakhiwo esivulekile sentwasahlobo ye-coil esindayo sivumela izinhlayiya ukuthi zigeze oketshezini oluhlanzwayo, zigcine ukuguquguquka kwentwasahlobo futhi ziqinisekise ukulandelela ubuso okuqhubekayo lapho intwasahlobo yamagagasi izobopha khona ngokushesha.

Indlela Yokuhlola Imininingwane Nabahlinzeki

Ukuthola izivalo zemishini zentwasahlobo yamagagasi ezithembekile kudinga ukuhlolwa okuqinile kokubili kwemininingwane yezingxenye kanye namakhono okukhiqiza omhlinzeki. Abathengi bezimboni kumele basebenzise izinqubo zokufaneleka eziqinile ukuqinisekisa ukuthi izivalo zihlangabezana nezilinganiso zokuthembeka ezidingekayo zezitshalo zenqubo zesimanje.

Amaphuzu okubuyekeza izinto ezibalulekile kanye nomklamo

Ukubuyekezwa kwezincazelo kumele kubeke phambili ukubhanqa kwezinto zensimbi kanye nobuso. Intwasahlobo yamagagasi ngokwayo kumele imelane nokuqhekeka kokugqwala kokucindezeleka kanye nokukhathala; izinhlelo zokusebenza ezijwayelekile zisebenzisa insimbi engagqwali engu-316, kodwa izindawo zamakhemikhali ezinamandla zidinga i-Hastelloy C-276 noma i-AM350. Ubuso bokuqala bokuvala kumele buchazwe ukuze kusebenze kahle kakhulu, kuvame ukuhlanganisa ubuso be-silicon carbide obungashintshi nobuso be-carbon noma be-tungsten carbide obujikelezayo.

Ukuthamba komphezulu kuyisilinganiso esibalulekile sokuklama. Abathengi kufanele baphoqelele ukuthi ubuso besivalo buhlanganiswe bube buthambile obungama-2 kuya ku-3 helium light bands (cishe ama-micron angu-0.58 kuya ku-0.87). Ngaphezu kwalokho, ukubekezelela izinga lentwasahlobo kumele kuchazwe ngaphakathi kuka-±10% wenani lomklamo elijwayelekile ukuqinisekisa ukuthi ingcindezi yobuso ihlala ngaphakathi kwe-envelope yokusebenza ephephile, kugwenywe ukukhiqizwa kokushisa ngokweqile noma ukuvuza.

Izimfuneko zokuthobela imithetho, ukuhlolwa, kanye nemibhalo

Kuye ngemboni, izivalo zentwasahlobo yamagagasi kungadingeka zihambisane nezindinganiso ezithile zomthetho nezobunjiniyela. Nakuba zingavamile kakhulu kwizicelo ze-API 682 zeSigaba 3 esindayo ngenxa yezingozi zazo zokuvaleka, zivame ukusetshenziswa kumaphampu ajwayelekile e-API eSigaba 1 noma e-ANSI/DIN. Abahlinzeki kumele banikeze imibiko yokuhlola izinto (ama-MTR) yama-alloy abalulekile ukuqinisekisa ukwakheka kwamakhemikhali kanye nokulandeleka kwawo.

Ukuhlolwa kwekhwalithi okuqinile akunakuxoxiswana ngakho. Abahlinzeki abafanelekile kufanele benze ukuhlolwa kwengcindezi ye-hydrostatic ye-seal cartridge assemblies ngengcindezi yomklamo ephindwe ka-1.5 kunengcindezi yomklamo elinganisiwe. Ngaphezu kwalokho, ukuhlolwa komoya omile kufanele kubhalwe phansi ukuqinisekisa ukuthi akukho ukuvuza ngaphambi kokuthunyelwa.

Iziqu zomhlinzeki zama-OEM kanye nabathengi bezitshalo

Ukuhlola umhlinzeki kudinga ukuhlola ukuhambisana kwabo kokukhiqiza, ukuqina kochungechunge lokuhlinzeka, kanye nokuguquguquka kwezentengiselwano. Abakhiqizi Bemishini Yokuqala (ama-OEM) kanye nabathengi bezitshalo kufanele bahlole isimo sesitifiketi se-ISO 9001 somhlinzeki kanye namanani abo angaphakathi okulahlwa.

Imibandela yezentengiselwano nayo ibaluleke kakhulu. Umhlinzeki oqeqeshiwe kakhulu kufanele akwazi ukunikeza izikhathi zokuhola ezingaphansi kwamasonto ama-4 zezivalo ezijwayelekile, ngenkathi enakekela inani elincane le-oda (ama-MOQ) eliphansi njengeyunithi eziyi-10 kuya kwezingama-50 zokucushwa kwe-alloy ngokwezifiso. Ukuhlola isitokwe somhlinzeki sendawo kanye nokusekelwa kobunjiniyela bezicelo kuqinisekisa impendulo esheshayo ngesikhathi sokunqamuka kwesitshalo okuphuthumayo.

Indlela Yokwenza Isinqumo Sokukhetha Kokugcina

Ukukhetha uphawu lomshini olufanele kakhulu lwentwasahlobo yamagagasi kudinga indlela ehlelekile, kulinganisa imikhawulo yendawo yemishini ngokumelene nezakhiwo zomzimba zoketshezi lwenqubo. Uma zichazwe kahle, lezi zimpawu zinikeza ikhambi elihle kakhulu ezinseleleni zobukhulu eziyinkimbinkimbi.

Uhlaka lokuhlola olusebenzayo lwesinyathelo ngesinyathelo

Onjiniyela kufanele basebenzise uhlaka oluhlelekile, oluhamba ngesinyathelo ngesikhathi senqubo yokukhetha. Isinyathelo sokuqala sihilela ukuhlaziywa okubukhali kwebhokisi lokugcwala ukuqinisekisa ukuthi isikhala se-axial sidinga ukucushwa kwentwasahlobo yamagagasi kunekhoyili ejwayelekile. Isinyathelo sesibili sidinga ukuhlaziywa kokwakheka koketshezi; imidiya yenqubo kumele iqinisekiswe njengehlanzekile, kanti ama-total suspended solids (TSS) ahlala ngaphansi kuka-1% kuphela ngevolumu.

Isinyathelo sesithathu sinquma ukukhethwa kwe-metallurgy kanye ne-elastomers ngokusekelwe ekushiseni okuphezulu okulindelekile kokusebenza kanye nolaka lwamakhemikhali. Okokugcina, isinyathelo sesine sihilela ukubala izinga lentwasahlobo elidingekayo ukuqinisekisa amandla anele okuvala ubuso ngaphandle kokudlula imikhawulo ye-PV (Pressure-Velocity) yezinto zobuso ezikhethiwe. Ukulandela lolu hlaka kunciphisa ingozi yokusetshenziswa kabi.

Isifinyezo sokuthi nini ama-wave spring seal ayisinqumo esifanele

Izivalo zemishini zentwasahlobo yamagagasi zimelela ukukhetha okuhle kakhulu kokuvala lapho onjiniyela bebhekene nemikhawulo yesikhala esiqinile se-axial ekusetshenzisweni koketshezi oluhlanzekile. Amandla abo okuletha umthwalo wobuso obufanayo obungu-360-degree kusuka kuphrofayili ecindezelwe kakhulu kubenza babaluleke kakhulu emishinini ejikelezayo emincane, amaphampu amafushane e-ANSI, kanye nezinhlelo ezikhethekile zokudlulisa uketshezi lwendiza.

Uma zisetshenziswa ezindaweni ezifanele kakhulu—ikakhulukazi lezo ezine-viscosity ephansi, izinhlayiya ezincane, kanye nokucindezela okulinganiselwe—lezi zinhlayiya zivame ukufeza i-Mean Time Between Failures (MTBF) edlula amahora angu-24,000. Ngokuqonda kahle izinzuzo zazo zendawo kanye nokubuthakathaka kwazo ekungcoleni kwezinhlayiya, abathengi bezimboni bangasebenzisa izinhlayiya zentwasahlobo yamagagasi ukuze bandise ukuthembeka kwemishini futhi benze kube lula.izinqubo zokulungisa.

Izinto Ezibalulekile Okufanele Uzicabangele

• Iziphetho ezibaluleke kakhulu kanye nesizathu se-Wave Spring Mechanical Seals: Lapho Zisebenza Khona—Nalapho Zingasebenzi Khona
• Imininingwane, ukuhambisana, kanye nokuhlolwa kwengozi okufanele kuqinisekiswe ngaphambi kokuthi uzibophezele
• Izinyathelo ezilandelayo ezisebenzayo kanye nezixwayiso abafundi abangazisebenzisa ngokushesha

imibuzo ejwayelekile ukubuzwa

Yini esetshenziswa kakhulu uphawu lwemishini yentwasahlobo yamagagasi?

Isebenza kahle kakhulu oketshezini oluhlanzekile, olungagugi kanye namaphampu amancane lapho isikhala se-axial silinganiselwe, njengokwelashwa kwamanzi, ukudluliselwa kwamakhemikhali, kanye nemishini yezinga lokudla.

Kufanele ugweme nini uphawu lwemishini lwentwasahlobo yamagagasi?

Kugweme ezinsizeni ezingcolile, ezihudulayo, noma ezifana nodaka. Izinto eziqinile zingavimba isiphethu samagagasi futhi zinciphise ukunyakaza kobuso, okubangela ukushisa, ukuguguleka, kanye nokwehluleka kokuvala kusenesikhathi.

Ingakanani indawo engongwa yi-wave spring seal?

Umklamo wesipilingi samagagasi unganciphisa izidingo zesikhala se-axial ngo-50% uma kuqhathaniswa nezipilingi zesipilingi se-coil ezivamile, okwenza kube usizo emakamelweni okuvala amafushane kanye nezakhiwo zephampu encane.

Yikuphi ukuthambekela koketshezi okufanelekela izivalo zemishini zentwasahlobo yamagagasi?

Ngokuvamile zingcono kakhulu koketshezi olune-viscosity ephansi kuya kwephakathi, ngokuvamile ngaphansi kwama-cP angu-500. I-viscosity ephezulu noma izinto eziqinile - imidiya esindayo ngokuvamile idinga olunye umklamo wesivalo.

Ingabe iVictor Seals ingahlinzeka ngezivikelo zentwasahlobo zamagagasi ukuze kufakwe esikhundleni sephampu ye-OEM?

Yebo. I-Victor Seals inikeza izivalo zemishini zentwasahlobo yamagagasi kanye nezindawo zokufaka esikhundleni ezihambisana ne-OEM zezinhlelo zokusebenza eziningi zokulungisa amaphampu ezimboni, kufaka phakathi izixazululo zezivikelo ezikhethiwe ezihambisana nomkhiqizo.