Izitywina Zoomatshini Ezicacileyo Ukuqonda Iinxalenye Zazo Neentlobo Zazo

Izitywino zoomatshini zibalulekile kwimisebenzi yemizi-mveliso, zithintela ukuvuza kolwelo kwiishafti ezijikelezayo. Ukusebenza kwazo kuqinisekisa ukusebenza kakuhle. Ukuqonda iintlobo ngeentlobo zezintoIzixhobo zeTywina loomatshini, njengalezo zifumaneka kwiIzitywino zoomatshini ezilinganiselayo kunye nezingalinganisekanga, ibalulekile. AUmenzi weMishini yeSeal eTshayinaibonelelaIinkonzo zoyilo lwesitywina soomatshini ezenziwe ngokwezifiso, xa kujongwa izinto ezifanaIintlobo zeNtwasahlobo kwiiMpawu zoMatshini.

Izinto ezibalulekileyo ekufuneka ziqwalaselwe

• Izivatho zoomatshinithintela ukuvuza kolwelo kwimijelo ejikelezayo, nto leyo egcina oomatshini besebenza kakuhle.
• Iindawo ezahlukeneyo ezifana nobuso obujikelezayo, ii-O-rings, kunye nezipringi zisebenza kunye kwisitywina soomatshini ukuthintela ukuvuza.
• Ukukhetha isitywino esifanelekileyo soomatshini kuxhomekeke kwizinto ezifana nobukhulu, ubushushu, kunye nohlobo lolwelo oluphathwayo.

Iindawo Ezibalulekileyo Zezitywino Zoomatshini

Ukuqondaiinxalenye ezahlukeneyo zeMishini yokutywinaityhila uyilo lwazo oluntsonkothileyo kunye nomsebenzi obalulekileyo. Inxalenye nganye idlala indima ebalulekileyo ekuthinteleni ukuvuza nokuqinisekisa ukusebenza okuthembekileyo kwezixhobo ezijikelezayo.

Izinto eziphambili zokutywina: Ubuso obujikelezayo nobuzinzileyo

Izinto eziphambili zokutywina zenza intliziyo yalo naliphi na itywina loomatshini. Ezi ziquka ubuso obubini obucwangciswe ngokuchanekileyo: obunye bujikeleza nomngxuma kwaye obunye bunganyakazi, buhlala bufakelwe kwindawo yokumpompa okanye kwipleyiti yegland. Ezi ubuso bucinezelwa kunye, budala ifilimu encinci yolwelo phakathi kwabo. Le filimu ithambisa ubuso kwaye ithintele ulwelo lwenkqubo ukuba lungaphumi. Abavelisi bakhetha ngononophelo izinto zobuso obu, ezifana ne-silicon carbide, i-tungsten carbide, i-ceramic, kunye ne-carbon, ngokusekelwe kwiimfuno ezithile zesicelo sobunzima, ukumelana neekhemikhali, kunye nokuqhuba kobushushu.

Izinto zokutywina zesibini: ii-O-Rings, iiGaskets, kunye neeBellows

Izinto zokutywina zesibini zibonelela ngokutywina okungaguqukiyo kwaye zivumela intshukumo ye-axial yobuso besitywina esiphambili. Zithintela ukuvuza phakathi kwezinto zesitywina kunye nendlu yesixhobo okanye ishaft. Iindidi eziqhelekileyo ziquka ii-O-rings, ii-gaskets, kunye nee-bellows. Ii-O-rings zinokuguquguquka ngakumbi, zibonelela ngokutywina okusebenzayo kwizicelo ezahlukeneyo. Izinto ezininzi ezahlukeneyo ziyafumaneka kwii-O-rings, nganye ifanelekile kwiimeko ezithile:

• I-Nitrile (iBuna, i-NBR)
• I-Hydrogenated Nitrile (HNBR)
• I-Fluorocarbon (Viton®, FKM)
• I-Perfluoroelastomer (FFKM)
• I-Ethylene Propylene (EPM, EPDM)
• I-Silicone (VMQ)
• I-Fluorosilicone (FVMQ)
• I-Polyacrylate (ACM)
• I-Chloroprene (CR, Neoprene®)
• Irabha yeButyl (Isoprene, IIR)
• I-Tetrafluoroethylene Propylene (AFLAS®)
• I-Polyurethane (AU)

Ezi zinto zikwabonisa ukunyamezelana kobushushu obahlukeneyo. Umzekelo, ii-Nitrile O-rings (NBR okanye buna-N) zihlala zisebenza ngaphakathi kobubanzi bobushushu obuphakathi kwe--31ºF ukuya kwi-248ºF, ngelixa ii-Viton® O-rings (fluorocarbon) zinokunyamezela ubushushu obufikelela kwi-400ºF. Itheyibhile engezantsi ibonisa imida yobushushu eqhelekileyo yezinto ezahlukeneyo ze-O-ring:

IiSprings kunye nendima yazo kwiiMpawu zoomatshini

I-Springs inika amandla okuvala abalulekileyookugcina ubuso bokuqala bokuvala bunxibelelana rhoqo. La mandla aqinisekisa ukuba isitywino sigcina ukuthembeka kwaso nokuba kukutshintshatshintsha koxinzelelo okanye iintshukumo ezincinci zeshaft. Iisprings zilungisa ukuguguleka kobuso besitywino kwaye zigcina unxibelelwano lobuso ngexesha lokuqalisa nokuvala izixhobo. Ziza kwiindlela ezahlukeneyo zoyilo, kubandakanya iisprings ze-single coil, iisprings ezininzi, kunye namaza, nganye inika izibonelelo ezithile kwiimeko ezahlukeneyo zokusebenza.

Ipleyiti yeGland kunye neSeal Housing

Ipleyiti yegland, ekwaziwa ngokuba yipleyiti yesitywino okanye isigqubuthelo, ikhusela izinto ezimiyo zesitywino soomatshini kwizixhobo. Ibopha ngqo kwipompo okanye kwi-mixer housing. I-seal housing, okanye igumbi lesitywino, ibonelela ngendawo apho kuhlala khona yonke i-seal assembly. Iqinisekisa ukulungelelaniswa okufanelekileyo kunye nokugcinwa kwezixhobo zesitywino. Le ndibano idla ngokuquka izibuko zemigca yokufunxa okanye ulwelo lokucima, olunceda ukulawula imeko-bume yesitywino.

Izixhobo zeShaft Sleeve kunye neHardware

Isingxobo se-shaft sikhusela i-pump shaft ekugugeni nasekuboleni. Sisebenza njengomphezulu obangela umbingelelo. Izixhobo zesitywino ezijikelezayo zihlala zisebenza nxamnye nesi singxobo. Olu luyilo luthintela ukuguguleka okurhabaxa kunye nokugqwala kwe-pump shaft ebiza kakhulu nebalulekileyo. Ukutshintsha isingxobo se-shaft esigugileyo kulula kakhulu kwaye kuyabiza kakhulu kunokutshintsha yonke i-shaft. Oku kwandisa ubomi bokusebenza kwe-pump shaft kwaye kwenza kube lula ukugcinwa. Ezinye izinto zehardware, ezifana nezikrufu ezibekiweyo, ii-drive pin, kunye nezibophelelo, ziqinisa izinto zesitywino kwi-shaft nakwi-gland plate, ukuqinisekisa ukuba yonke i-assembly isebenza njengeyunithi edibeneyo.

Ukwahlulahlula iiMpawu zoMatshini: Iindidi eziqhelekileyo

Ukuqonda ukuhlelwa okwahlukeneyo kwezitywini zoomatshini kunceda iinjineli zikhethe isisombululo esifanelekileyo kwimingeni ethile yemizi-mveliso. Uhlobo ngalunye lubonelela ngeenzuzo ezahlukeneyo ngokusekelwe kuyilo lwalo kunye nemigaqo yokusebenza.

Izitywino zeMechanical Pusher vs. ezingezizo eziPusher

Umtyhaliizitywino zoomatshinibaxhomekeke kwizipringi okanye kwizixhobo zokugquma ukuze "batyhale" ubuso besitywina esiphambili nxamnye nomlingani waso ongashukumiyo. La mandla angaguqukiyo agcina unxibelelwano phakathi kobuso. Isitywina sesibini, esidla ngokuba yi-O-ring, sityibilika ecaleni kweshaft okanye kwisleeve, sivumela ubuso besitywina esiphambili ukuba bushukume ngokwe-axial kwaye buhlawulele ukuguguleka. Nangona kunjalo, xa kusetyenziswa ulwelo olurhabaxa okanye oluxineneyo, isitywina sesibini ngamanye amaxesha "sinokuxhoma" ngenxa yokufakwa kwezinto, nto leyo ethintela ukudibana kobuso ngokufanelekileyo.

Izitywino zoomatshini ezingasebenzisi zixhobo zokutyhala, ngokuchaseneyo, azisebenzisi isitywino sesibini esityibilikayo. Endaweni yoko, intsimbi eguquguqukayo okanye irabha eneentsimbi inika amandla e-axial ukugcina ubuso besitywino buhlangene. Olu yilo lususa amandla okuxhoma, okwenza izitywino ezingasebenzisi zixhobo zokutyhala zilungele iinkonzo ezibandakanya ulwelo olungcolileyo, olurhabaxa, okanye olupholishayo. Zinikezela ngokuthembeka okuphuculweyo kwiindawo ezinzima.

Izitywino zoomatshini ezilinganiselayo vs. ezingalinganisekanga

Umahluko phakathi kwezitywino zoomatshini ezilinganisiweyo nezingalinganiyo ulele kwindlela uxinzelelo lwe-hydraulic oluchaphazela ngayo ubuso besitywino. Izitywino ezingalinganiyo ziveza yonke indawo yobuso besitywino kuxinzelelo lwe-hydraulic lolwelo lwenkqubo. Oku kudala amandla aphezulu okuvala ubuso besitywino. Nangona kulula ukuyila kwaye kudla ngokuba neendleko eziphantsi, izitywino ezingalinganiyo ngokubanzi zifanelekile kwiingcinezelo eziphantsi kunye nesantya. Uxinzelelo olugqithisileyo lunokukhokelela ekuthwaleni okuphezulu kobuso, ukwanda kokuveliswa kobushushu, kunye nokuguguleka kwangaphambi kwexesha.

Izitywino zoomatshini ezilinganiselayo zinoyilo olunciphisa uxinzelelo lwe-hydraulic olusebenza ebusweni besitywino. Iinjineli zifezekisa oku ngokuguqula indawo yobuso besitywino, zenze imeko "elinganiselayo". Oku kunciphisa umthwalo wobuso kuvumela izitywino ezilinganiselayo ukuba zisebenze ngokuthembekileyo kuxinzelelo oluphezulu kunye nesantya. Zivelisa ubushushu obuncinci kwaye azinawo amava okuguguleka, zandisa ubomi besitywino kwizicelo ezinzima.

I-Component vs. I-Cartridge Mechanical Seals

Izitywino zoomatshini zecandelo ziqulathe iindawo ezithile ezifuna ukuhlanganiswa kwishafti yezixhobo. Abafaki kufuneka balinganise ngononophelo baze bamisele ubude bokusebenza kwesitywino ngexesha lokufakwa. Le ndlela inika ukuguquguquka ekukhetheni izinto kwaye inokuba yeyongayo kwiindlela ezithile zokusebenza. Nangona kunjalo, ifuna ukufakwa ngokuchanekileyo ukuqinisekisa ukusebenza ngokufanelekileyo kwaye inokuba sengozini yokwenza iimpazamo zokufakelwa.

Izitywino ze-cartridge mechanical, ezifana nezo zinikezelwa ngu-victor, ziza njengeyunithi ehlanganisiweyo kwangaphambili. Ziquka ubuso besitywino, izitywino zesibini, izipringi, kunye ne-shaft sleeve kunye ne-gland plate, zonke zifakwe kwi-common sleeve. Olu yilo lwenza kube lula ukufaka, lunciphisa amathuba okwenza iimpazamo kwaye lunciphise ixesha lokungasebenzi. Iingcali zislayida nje iyunithi ye-cartridge kwi-shaft kwaye ziyibophele kwizixhobo. Olu lula lokufakela kunye nokuthembeka okungaphakathi kwenza izitywino ze-cartridge zibe lukhetho oludumileyo kumashishini amaninzi.

Izitywino zoMatshini eziMnye kunye neziBini

Izitywino zoomatshini ezizodwa zisebenzisa iseti enye yobuso bokuqala bokuvala ukuze ziqulathe ulwelo lwenkqubo. Zezona ziqhelekileyo kwaye zifanelekile kwiintlobo ngeentlobo zezicelo apho ulwelo lwenkqubo lubonelela nge-lubrication eyaneleyo kwaye alunabungozi. Zibonelela ngesisombululo sokuvala esingabizi kakhulu nesilula.

Izitywino ezimbini zoomatshini ziquka iiseti ezimbini zobuso bokuqala bokuvala, ezicwangciswe ngasemva, ngaxeshanye, okanye ubuso ngobuso. Ulwelo oluthintelayo lujikeleza phakathi kwezi buso zimbini zesitywino, lubonelela ngokuthambisa, ukupholisa, kunye nomaleko owongezelelweyo wokuthintela. Olu yilo lubonelela ngokhuseleko oluphezulu kunye nokuthembeka, ngakumbi kwizicelo ezibalulekileyo. Izitywino ezimbini ziyafuneka kwi:

• Ukuvala ulwelo oluyingozi
• Ukuvala ulwelo olune-abrasives
• Ukutywina ulwelo olubolayo
• Izicelo ngokubanzi
• Usetyenziso lwe-slurry oluphakathi ukuya kolunzima
• Izicelo ezinzima ezifana nokupompa ioyile, ukujova amanzi, kunye nemisebenzi yokutya kwibhoyila
• Iindawo ezinzima kwishishini lemigodi

Izitywina zeMechanical ezimanzi kunye nezomileyo

Izitywini zoomatshini ezihamba ngokumanzi zixhomekeke kwifilimu engamanzi phakathi kobuso bazo ukuze zithambise kwaye ziphole. Le filimu engamanzi inokuba lulwelo lwenkqubo ngokwayo okanye ulwelo oluhlukeneyo lokuthintela. Uninzi lwezitywini zoomatshini eziqhelekileyo zisebenza ngendlela yokubaleka ngokumanzi, njengoko ifilimu engamanzi ithintela ukudibana ngqo kunye nokuguguleka kobuso bezitywini. Ukuthambisa ngokufanelekileyo kubalulekile ukuze zihlale ixesha elide kwaye zisebenze kakuhle.

Izitywino zoomatshini ezisebenza ngokumileyo zisebenza ngaphandle kokuthambisa ngolwelo ebusweni besitywino. Zihlala zisebenzisa izixhobo ezikhethekileyo, ezifana nekhabhoni ezizithambisayo, ukunciphisa ukungqubana kunye nokuguga. Ezi zitywino zenzelwe ukusetyenziswa okuthile apho ukuthambisa ngolwelo kungafunekiyo okanye kungenzeki. Izitywino ezisebenza ngokumileyo zisetyenziswa ku:

• Ishishini leekhemikhali: Zifanelekile ukusetyenziswa kwishishini leekhemikhali, ingakumbi apho ukusebenza okuqikelelweyo kunye nongcoliseko oluncinci kubalulekile.
• Ukulungiswa kweekhemikhali: Ezi zivali zenzelwe iinkqubo ezilawulwa ngokungqongqo ekucutshungulweni kweekhemikhali, ukunciphisa ungcoliseko oluvela kwiiseal zekhabhoni ezizithambisa ngokwazo kwaye kusetyenziswa i-nitrogen yezityalo efumaneka lula njengesixhobo sokuthintela.
• Ukuphucula izitywini ze-agitator ezibaleka zimanzi: Izitywini ze-dry-running zisetyenziselwa ukuphucula izitywini ze-mixer ezindala ezibaleka zimanzi kunye nezivalo zesitya ukuze zithembeke ngakumbi, zinciphise ukubekwa esweni, kwaye zandise ixesha eliphakathi phakathi kokulungiswa.
• Iindawo ezifuna imiqobo yegesi engasebenziyo: Iiseal ezisebenza ngombane, ezenzelwe ezo ndawo, zisebenzisa umqobo wegesi ye-nitrogen engasebenziyo ukunciphisa ungcoliseko nokuphucula ukuthembeka, ngakumbi kwiinkqubo zebatch.

Izitywina zeMechanical eziPhambili kunye nezicelo zazo

Ii-Advanced Mechanical Seals zibonelela ngezisombululo ezikhethekileyo kwiindawo zoshishino ezifuna umgudu omkhulu. Ezi zakhiwo zijongana nemingeni ethile, ziqinisekisa ukusebenza okuthembekileyo apho ii-seals ezisemgangathweni zinokungaphumeleli khona.

Iintsimbi zeMechanical Seals

IiMetal Bellows Mechanical Seals zibonelela ngokusebenza okugqwesileyo kwiimeko eziqatha. Zineyunithi yentsimbi eguquguqukayo ethatha indawo yesipringi sendabuko kunye nesitywina sesibini. Olu yilo lususa ii-O-rings eziguqukayo, ezidla ngokubangela ukugqwala okanye ukubola. IiMetal Bellows seals zibalaseleyo kwizicelo zobushushu obuphezulu, iinkonzo zokugqwala, kunye neemeko ezibandakanya ukugqwala okurhabaxa. Ulwakhiwo lwazo oluqinileyo luqinisekisa ubomi benkonzo ende kunye nokuthembeka kokutywina okuhlala kuhleli.

I-Rubber Bellows Mechanical Seals

Ii-Rubber bellows Mechanical Seals zibonelela ngesisombululo sokuvala esingabizi kakhulu nesiguquguqukayo. Ii-rubber bellows ezibunjiweyo zibonelela ngamandla entwasahlobo kwaye zisebenza njengento yesibini yokuvala. Olu yilo luvumela ukungalingani okukhulu kwe-shaft kunye nokungcangcazela. Ii-rubber bellows seals zixhaphakile kwiinjongo eziqhelekileyo, kubandakanya iimpompo zamanzi kunye nonyango lwamanzi amdaka. Ziphatha amaqondo obushushu aphakathi kunye noxinzelelo ngokufanelekileyo, zibonelela ngokusebenza okuthembekileyo kwiindawo ezingenaburhalarhume.

Izitywino zeMechanical zeNtwasahlobo ezininzi kunye namaza entwasahlobo

I-spring enezipringi ezininzi kunye ne-wave spring Ii-Mechanical Seals ziphucula ukulayishwa kunye nokusasazwa kobuso be-seal. Uyilo lwe-spring ezininzi lusebenzisa ii-springs ezincinci ezininzi ezibekwe zijikeleze i-shaft. Olu lungiselelo lubonelela ngamandla okuvala alinganayo ngakumbi kubuso be-seal. Ii-springs ze-wave zibonelela ngenye indlela encinci, zibonelela ngamandla e-spring aphezulu kwindawo encinci ye-axial. Zombini ezi ntlobo ziphucula uzinzo lwe-seal kwaye zinciphisa ukuguguleka, zizenze zilungele ukusetyenziswa koxinzelelo oluphezulu kunye nesantya. Ziqinisekisa ukudibana kobuso rhoqo, zandisa ubomi bokusebenza kwe-seal.

Ukukhetha Izitywino Zoomatshini Ezifanelekileyo

Ukuqwalasela iimfuno zesicelo

Ukukhetha isitywino esifanelekileyo soomatshini kubalulekile ekuthembekeni nasekusebenzeni kakuhle kwezixhobo. Iinjineli ziqwalasela iiparameter ezininzi ezibalulekileyo zokusetyenziswa. Isifinyezo se-STAMPS sinceda ukukhokela le nkqubo yokukhetha:

• Si-ize
• Tumbuso
• Aukwenziwa
• Mi-edia
• Pqinisekisa
• Sumchamo

Ukuqonda ezi zinto kuqinisekisa ukuba isitywina esikhethiweyo sisebenza kakuhle kwindawo yaso ethile.

Ukuvavanya Iimeko Zokusebenza

Iimeko zokusebenza zichaphazela kakhulu ukusebenza kwetywina. Ubungakanani bubhekisa ikakhulu kububanzi bomngxuma wesixhobo. Oku kulawula ubukhulu bomzimba betywina. Ikwachaphazela izinto ezifana nendawo yokudibana ubuso, ukurhuqa, ukuveliswa kobushushu, kunye neendlela zokuqhuba ezifunekayo. Ubushushu bubalulekile kuba itywina kufuneka zisebenze kuluhlu olubanzi, ukusuka kwizicelo ze-cryogenic ukuya kubushushu obuphezulu. Ubushushu obugqithisileyo bunokubangela utshintsho kwipropati yolwelo, njengokufudumala okanye i-oxidation. Zingakhokelela ekuphazamisekeni kobushushu bobuso bokuvala kunye nokuchaphazela ukuthambisa. Zonke ezi ngxaki zonakalise ukusebenza kwetywina kunye nobomi bayo.

Ukufanisa Iimpawu Zolwelo Nezitywino Zoomatshini

Iimpawu zolwelo lwenkqubo, okanye imidiya, zichaphazela ngokuthe ngqo ukukhethwa kwezinto zesitywina. Ulwelo olubolayo lufuna izinto ezinganyangekiyo ngamakhemikhali. Ulwelo olurhabaxa lufuna ubuso obuqinileyo. Uxinzelelo kunye nesantya nazo zidlala indima ebalulekileyo. Uxinzelelo oluphezulu ludla ngokufunaIzitywino zoMatshini ezilinganiselayoukunciphisa umthwalo ebusweni. Isantya esiphezulu sifuna izixhobo ezinokususa ubushushu ngokufanelekileyo. Ukudibanisa isitywino nolwelo kunye neeparamitha zokusebenza kuthintela ukungaphumeleli kwangethuba kwaye kuqinisekisa impumelelo yokusebenza kwexesha elide.

Izitywino zoomatshini ziqulathe iindawo ezibalulekileyo ezifana nezinto zokuvala eziphambili nezesibini, izipringi, kunye nezinto zokuhlala. Ziza ngeentlobo ezahlukeneyo, kubandakanya i-pusher, i-non-pusher, i-balanced, i-unbalanced, i-component, i-cartridge, i-single, i-dual, i-wet, kunye ne-dry running seals.ukukhetha isitywino soomatshiniKubalulekile ekuthembekeni kwenkqubo. Ukuthembeka kwesitywina somatshini esisecaleni kuxhomekeke ekusetyenzisweni, ekufakweni, nasekusetyenzisweni. Ukusetyenziswa gwenxa, iimpazamo zokufakelwa, okanye iimeko zokusebenza ezinobungozi kunokukhokelela ekusileleni kwangethuba. Izigqibo ezinolwazi ziqinisekisa ukusebenza kakuhle kumashishini ahlukeneyo.

FAQ

Yintoni umsebenzi oyintloko wesitywina soomatshini?

A isitywino soomatshiniIthintela ukuvuza kolwelo ecaleni komngxuma ojikelezayo. Iqinisekisa ukusebenza kakuhle kwaye ikhusela izixhobo ekungcoleni.

Kutheni iinjineli zikhetha izinto ezithile zobuso besitywino?

Iinjineli zikhetha izinto ezifana ne-silicon carbide okanye i-tungsten carbide ngenxa yobunzima, ukumelana neekhemikhali, kunye nokuqhuba ubushushu. Oku kuqinisekisa ukusebenza kakuhle kwizicelo ezithile.

Yeyiphi inzuzo enikezelwa sisitywina soomatshini sekhatriji?

Ikhatrijiisitywino soomatshiniiza sele idityanisiwe. Oku kwenza kube lula ukufaka, kunciphisa iimpazamo, kwaye kunciphisa ixesha lokungasebenzi kwezixhobo.