Momwe Chisindikizo cha Cartridge Mechanical Chimathandizira Kudalirika kwa Pampu

Chiyambi

Kudalirika kwa pampu nthawi zambiri kumadalira zigawo zazing'ono, ndipo chisindikizo cha makina ndi chimodzi mwazofunikira kwambiri. Pamene zisindikizo zimakhala zovuta kuziyika, zimakhudzidwa ndi kukhazikika, kapena zimataya madzi, nthawi yosakonzekera yogwira ntchito komanso ndalama zosamalira zimakwera mwachangu. Chisindikizo cha makina cha katiriji chimawongolera malo ofooka awa mwa kuphatikiza zinthu zotsekera mu chipangizo chomwe chimayikidwa kale chomwe chimachepetsa cholakwika chokhazikitsa, chimakhazikitsa kuyika kwa chisindikizo, komanso chimathandizira kugwira ntchito kosalekeza. Nkhaniyi ikufotokoza momwe kapangidwe kameneka kamathandizira kuwongolera kutayikira kwa madzi, kukulitsa nthawi yogwira ntchito, komanso kuthandiza mapampu kugwira ntchito nthawi yayitali pakati pa kulephera, kupatsa owerenga lingaliro lomveka bwino la chifukwa chake zisindikizo za katiriji zimagwiritsidwa ntchito kwambiri m'makina oyendetsera madzi ovuta.

Chifukwa Chake Zisindikizo za Cartridge Mechanical Zimapangitsa Kuti Pampu Ikhale Yodalirika

Kusintha kuchokera ku kulongedza kwachizolowezi ndi zisindikizo za zigawo kupita kuzisindikizo zamakina a katiriji [https://www.victor-seals.com]s ikuyimira kusintha kwakukulu pakudalirika kwa magwiridwe antchito amadzimadzi. Mwa kuphatikiza zinthu zonse zofunika kwambiri zotsekera mu chipangizo chimodzi, chokhazikitsidwa kale, mafakitale nthawi zonse amawonjezera Mean Time Between Failures (MTBF) kuchokera pa avareji ya miyezi 12 mpaka miyezi yoposa 36 m'magwiritsidwe ntchito ovuta kwambiri.

Kudalirika kwa mapampu a centrifugal kumalumikizidwa mosalekeza ndi kukhulupirika kwa chisindikizo cha makina. Chisindikizo chikalephera, pampu iyenera kuchotsedwa, zomwe zimapangitsa kuti pakhale kusokonekera kwa ntchito, zoopsa zachilengedwe, komanso kukonza zinthu mokwera mtengo. Zisindikizo za cartridge zimathetsa zomwe zimayambitsa kulephera kumeneku mwa kukonza zinthu zomwe zimagwirizanitsidwa ndi kuyika ndi kupanga pamanja.

Kuwongolera kutayikira ndi kulondola kwa kukhazikitsa

Choyambitsa chachikulu cha kudalirika kwa chisindikizo cha katiriji ndikuchotsa kwathunthu zosintha zoyika. Zisindikizo za zigawo zimafuna akatswiri kuti awerengere ndi kukhazikitsa kupsinjika kwa kasupe pa shaft poyesa kutalika kofunikira kwa ntchito. Njirayi yamanja imakhala ndi zolakwika zambiri, zomwe nthawi zambiri zimapangitsa kuti nkhope isayende bwino kapena kuvulala kwambiri.

Zisindikizo za cartridge zimabwera kuchokera kwa wopanga zomwe zasonkhanitsidwa bwino, ndipo mphamvu ya masika imayikidwa kale pogwiritsa ntchito ma clip ochotsera. Kapangidwe kameneka kamatsimikizira kunyamula bwino nkhope kuyambira nthawi yoyika ndipo kamatha kupirira mosavuta kulekerera kwa shaft yochepera 0.05 mm (0.002 mainchesi). Pochotsa kufunikira kwa kuyeza molondola pansi pa shopu, malo ogwirira ntchito amatha kuchepetsa kulephera kwa chisindikizo komwe kumabwera chifukwa cha kukhazikitsa ndi 75%, zomwe zimathandiza kuchepetsa chiopsezo cha kutayikira kwadzidzidzi kwa makina oyambira.

Kuchepetsa nthawi yopuma komanso khama lokonza

Kugwira ntchito kwa mafakitale kumakhala ndi chilango chachikulu cha zachuma, nthawi zambiri kupitirira madola masauzande ambiri pa ola limodzi m'mafakitale opitilira ntchito. Kusintha kukhala ma cartridge seal kumachepetsa kwambiri Mean Time To Repair (MTTR) ya zinthu zofunika kwambiri zopopera.

Kusintha chisindikizo chachikhalidwe kungatenge maola 4 mpaka 6 a ntchito yaukadaulo, makamaka chifukwa cha kusamalira mosamala komwe kumafunika pa nkhope zozungulira, mipando yosasuntha, ndi mphete za O-mphamvu. Mosiyana ndi zimenezi, chisindikizo cha cartridge nthawi zambiri chimatha kuyikidwa pa shaft, kumangidwa ku gland, ndikuchimangirira mkati mwa mphindi zosakwana 90. Ntchito yokonza yosavutayi sikuti imangobwezeretsa pampu kuti igwire ntchito mwachangu komanso imachepetsa kudalira kwa malo opangira zinthu pa akatswiri apadera kwambiri.akatswiri osindikiza makina.

Zisindikizo za Cartridge vs Component Mechanical

Kumvetsetsa kusiyana kwa kapangidwe kake pakati pa zisindikizo za katiriji ndi zigawo za makina ndikofunikira kwambiri kwa mainjiniya a mafakitale omwe akufuna kukonza bwino mtengo wa moyo wa zida. Kusiyana kwakukulu kuli mu momwe zinthu zotsekera zimagwirizanirana ndi shaft ya pampu ndi bokosi lodzaza.

Ngakhale mapangidwe onsewa amadalira filimu yopyapyala yamadzimadzi pakati pa nkhope yozungulira ndi yosasuntha kuti apewe kutuluka kwa madzi, kugwiritsa ntchito mfundo imeneyi mwaukadaulo kumatanthauza kuti chisindikizocho chili ndi vuto lalikulu pakugwira ntchito.

Mapangidwe omwe amawonjezera kudalirika

Zisindikizo za cartridge zimaphatikiza chivundikiro cha shaft, nkhope zomangira, ma spring opatsa mphamvu, ndi mbale ya gland kukhala chinthu chimodzi chogwirizana, choyesedwa ndi fakitale. Kuphatikiza kumeneku kumaletsa nkhope zomangira kwambiri kuti zisawonongeke ndi dothi, mafuta, kapena kuwonongeka kwa kugunda panthawi yonyamula ndi kuigwira.

Kuphatikiza apo, mapangidwe apamwamba a makatiriji nthawi zambiri amagwiritsa ntchito masipesi osasinthasintha m'malo mozungulira. Masipesi osasinthasintha amachotsedwa ku madzi ogwirira ntchito, zomwe zimawaletsa kuti asatseke mu ntchito zolimba kwambiri kapena zopanga makristalo. Kusankha kwa kapangidwe kameneka kumasunga mphamvu yotseka yokhazikika ya pafupifupi 15 mpaka 25 psi pankhope zotsekera, ndikuwonetsetsa kuti ntchitoyo ikuyenda bwino ngakhale pansi pa kupanikizika kosinthasintha.

Kusiyana kwa chiopsezo cha kutayikira ndi kuthekera kwa kulumikizana

Zisindikizo za zigawo zimakhudzidwa kwambiri ndi kayendedwe ka axial shaft ndi kutentha komwe kumakula. Kusintha kulikonse kwa shaft kumatha kusintha mosavuta kutalika kofunikira kwa ntchito, zomwe zimapangitsa kuti nkhope ikule (kutuluka kwadzidzidzi) kapena kupsinjika kwambiri (kupanga kutentha mwachangu ndi kuwonongeka kwa nkhope). Mapangidwe a cartridge amalekerera chizolowezi chomaliza cha shaft, nthawi zambiri amalola mayendedwe a axial mpaka 0.13 mm (0.005 mainchesi) popanda kusokoneza kukhudzana kolondola kwa nkhope.

Zinthu Zaukadaulo Zomwe Zimakhudza Kugwira Ntchito kwa Chisindikizo

Nthawi yogwira ntchito ya chisindikizo cha makina imayendetsedwa kwambiri ndi malo ogwirira ntchito komanso kufotokozedwa bwino kwa zigawo zake zamkati. Kusankha magawo oyenera aukadaulo sikungatheke kukambirana kuti pakhale kudalirika kwambiri komanso kupewa kulephera kwadzidzidzi.

Ogwira ntchito ayenera kuwunika mosamala mankhwala ndi zinthu zakuthupi za madzi opompedwawo, chifukwa zinthuzi zimalamulira chilichonse kuyambira pa zitsulo za gland mpaka ma elastomer enaake omwe amagwiritsidwa ntchito potseka kachiwiri.

Zipangizo zomangira nkhope ndi kugwirizana kwa elastomer

Kuphatikizika kwa nkhope za chisindikizo kumatanthauza kuchuluka kwa kuwonongeka, kuchuluka kwa ma friction coefficients, ndi kutentha komwe kumapangidwira. Kuphatikizika kofala kumaphatikizapo Silicon Carbide (SiC) motsutsana ndi Carbon kuti igwiritsidwe ntchito m'madzi ndi ma hydrocarbon opepuka, zomwe zimapereka mafuta abwino kwambiri. Pa ma slurry okhwima, kuphatikizika kolimba kwa SiC motsutsana ndi Tungsten Carbide (TC) kumafunika kuti kupewe kugoletsa.

Kusankha elastomer n'kofunika kwambiri kuti mankhwala asamawonongeke. Ma O-rings a FKM (Viton) O amagwira ntchito bwino kwambiri pa ntchito zambiri koma amawonongeka mofulumira kuposa 204°C (400°F). Mosiyana ndi zimenezi, mankhwala a FFKM (Kalrez) amatha kusunga kusinthasintha kwawo komanso kukana mankhwala pa kutentha kwambiri mpaka 327°C (620°F), zomwe zimapangitsa kuti akhale ofunikira kwambiri pa ntchito zoyeretsera zinthu kutentha kwambiri.

Zofunikira pa dongosolo la kuthamanga, kutentha, ndi kusamba

Kupanikizika kwa njira ndi kutentha zimalamulira kufunikira kwa zowongolera zachilengedwe, zomwe zimayikidwa padziko lonse lapansi motsatira mapulani a API 682 flush. Chisindikizo cha katiriji imodzi chokhazikika nthawi zambiri chimatha kuthana ndi kupsinjika kwa bokosi lodzaza mpaka 20 mpaka 25 bar (300 mpaka 360 psi) popanda vuto.

Kupitirira malire a kupanikizika kumeneku, kapena mukamagwira ntchito ndi madzi ofooka komanso oopsa kwambiri,zisindikizo ziwiri za katirijiKugwiritsa ntchito dongosolo la madzi otchingira mpweya la Plan 53A kapena Plan 53B kumakhala kofunikira. Machitidwewa amasunga kuthamanga kwa madzi otchingira mpweya komwe nthawi zambiri kumakhala kokwera ndi 1.5 mpaka 2 bar (20 mpaka 30 psi) kuposa kuthamanga kwa mkati mwa njira. Kusiyana kwa kuthamanga kumeneku kumatsimikizira kuti kutuluka kulikonse komwe kungachitike kumachitika mkati mwa pampu osati kunja mumlengalenga, zomwe zimatsimikizira kuti palibe mpweya woipa mumlengalenga.

Njira zodziwika bwino zopewera kulephera ndi kupewa

Ngakhale ma cartridge seal olimba kwambiri amakhudzidwa ndi machitidwe osagwira ntchito bwino kapena kusokonekera kwa makina. Kuthamanga kouma kumakhalabe chifukwa chachikulu cha kulephera kwa chisindikizo, zomwe zimapangitsa kuti kutentha kugwe mofulumira komanso kusweka kwa radial m'malo olimba mkati mwa masekondi ochepa kuchokera pamene filimu yamadzimadzi yatayika.

Momwe Mungasankhire ndi Kugwiritsa Ntchito Zisindikizo za Cartridge

Kusintha malo kukhala ma cartridge mechanical seals kumafuna kutsimikizika kwaukadaulo wamakono komanso kutsatira kwambiri njira zogwiritsira ntchito. Cartridge seal yosasankhidwa bwino kapena yosagwiritsidwa ntchito bwino idzalephera mwachangu mofanana ndi cartridge component seal yakale.

Kukhazikitsa bwino kumathetsa kusiyana pakati pa kapangidwe ka chisindikizo cha chiphunzitso ndi zenizeni zenizeni za pansi pa fakitale, kuonetsetsa kuti zida zosinthidwa zimagwirizana bwino ndi miyeso yomwe ilipo ya pampu.

Kusankha chisindikizo ndi macheke ogwiritsira ntchito

Mainjiniya ayenera kutsimikizira mosamala bokosi lodzaza la pampu asanatchule cartridge unit. Mpata wa radial pakati pa shaft ndi bore ya bokosi lodzaza nthawi zambiri uyenera kupereka osachepera 3.175 mm (0.125 mainchesi) kuti ugwirizane ndi chikwama cha cartridge ndikuwonetsetsa kuti madzi akuyenda bwino kuti aziziritse nkhope za seal.

Kuphatikiza apo, shaft yopanda kanthu iyenera kuyang'aniridwa kuti ione ngati pali mavuto obwera chifukwa cha zisindikizo zakale. Ngakhale kuti zitseko za cartridge zimapangidwa kuti zizitha kutsetsereka ndikuphimba kuwonongeka kwa shaft komwe kulipo, kuwonongeka kwakukulu kapena shaft yopitilira 0.08 mm (0.003 mainchesi) ikhoza kuwononga chisindikizo chamkati cha O-ring pakati pa shaft ndi shaft, zomwe zimapangitsa kuti shaft isinthe kapena kusinthidwa isanayambe kuyika chisindikizo.

Kukhazikitsa ndi kukhazikitsa njira zabwino kwambiri

Kuyika chisindikizo cha katiriji kumadalira kwambiri pakuchita bwino kwa njira yoyikira. Mabotolo a gland ayenera kulumikizidwa mofanana motsatizana motsatizana molingana ndi zomwe wopangayo wanena—nthawi zambiri pakati pa 20 ndi 40 Nm kutengera kukula kwa stud—kuti apewe kusokonekera kwa gland ndi kusokonekera kwa nkhope pambuyo pake.

Chofunika kwambiri, ma clip akunja ozungulira ayenera kuchotsedwa pokhapokha gland italumikizidwa bwino ku chivundikiro cha pampu ndipo zomangira za sleeve set zimatsekedwa mwamphamvu mu shaft. Kuchotsa ma clip awa msanga kwambiri kudzawononga nthawi yomweyo mphamvu ya masika yomwe idakhazikitsidwa kale. Pomaliza, ogwiritsa ntchito ayenera kutulutsa bwino chipinda chosindikizira injini isanayambe; kulephera kuchotsa mpweya wotsekeredwa kumabweretsa kuyenda kouma nthawi yomweyo komanso kuwonongeka kosatha kwa nkhope.

Kulungamitsa mtengo ndi kukonzekera kukweza

Ngakhale kuti mtengo woyamba wogulira chisindikizo cha katiriji chomwe chinasonkhanitsidwa kale nthawi zambiri chimakhala chokwera ndi 200% mpaka 300% kuposa chisindikizo cha zigawo zofanana, chifukwa cha mtengo woyendetsera mafakitale ndi wosavuta komanso wabwino kwambiri.

Poganizira za kuchepetsa kwakukulu kwa ntchito zapadera zoyika, kuchotsa kwathunthu ma shaft fretting (zomwe zimapulumutsa ndalama zogulira zinthu zodula zoyika ma pump shaft), komanso kuchepetsa nthawi yogwirira ntchito yopanga, nthawi zambiri malo amapeza Kubweza Kwathunthu pa Ndalama (ROI) mkati mwa miyezi 12 mpaka 18. Kuti phindu lalikulu la ndalamali lipezeke, kukweza ma bulk seal kuyenera kukonzedwa mwanzeru panthawi yokonza mafakitale kuti athetse kusokonekera kwa nthawi yogwira ntchito yopanga.

Ndondomeko Yosankha Zosintha Zisindikizo

Malo omwe amagwiritsa ntchito mapampu mazana kapena zikwizikwi a centrifugal sangathe kukweza zida zonse zozungulira nthawi imodzi. Ndondomeko yanzeru, yokhazikika pa data imafunika kuti igawire ndalama zomwe zingapereke phindu lalikulu kwambiri lodalirika.

Mwa kusanthula mbiri yakale yokonza ndi kuchuluka kwa kulephera, oyang'anira mafakitale amatha kuzindikira njira zopopera zomwe zikuchepetsa bajeti yokonza ndikuziika patsogolo pakusintha kwa cartridge seal.

Ndi ntchito ziti zopopera zomwe ziyenera kuyikidwa patsogolo

Kufunika koyambirira kuyenera kuperekedwa ku mapampu olembedwa kuti "ochita zoipa"—makamaka omwe akuwonetsa MTBF yosakwana miyezi 12. Kusintha zinthu izi zomwe zimalephera pafupipafupi kumapereka mpumulo wachangu kwa omwe akulemedwa kwambiri.magulu okonza zinthu.

Magawo ena ofunikira ayenera kuphatikizapo mapampu omwe amasamalira madzi oopsa, oopsa, kapena oyaka kwambiri pomwe kutayikira kulikonse kwakunja kumabweretsa chiopsezo chachitetezo mwachangu kapena kuphwanya malamulo oyendetsera chilengedwe. Kuphatikiza apo, mautumiki omwe amagwira ntchito kutentha kwambiri (kupitirira 150°C) kapena mapampu opitilira ntchito pomwe nthawi yosakonzekera yogwira ntchito imabweretsa zilango zachuma zopitilira $10,000 pa ola limodzi ndi omwe angasankhidwe mwachangu kukhala ma seal awiri odalirika kwambiri.

Momwe mungagwirizanitsire mtengo wa pasadakhale ndi mtengo wa moyo wonse

Kulinganiza ndalama zomwe zimagwiritsidwa ntchito pokonza cartridge seal motsutsana ndi mtengo wake wa nthawi yayitali kumafuna kusanthula kwathunthu kwa Lifecycle Cost (LCC). LCC yeniyeni ya makina osindikizira imaphatikizapo mtengo woyamba wogulira, ntchito yokhazikika yokhazikitsa, kugwiritsa ntchito madzi otchinga, komanso kutayika kwa mphamvu kosalekeza chifukwa cha kukangana kwa makina.

Ngakhale kuti ma cartridge seal amafuna ndalama zambiri zoyambira, kukweza nkhope kwawo bwino, kutenthetsa bwino kutentha, komanso manja oteteza omwe ali ndi ma LCC nthawi zonse kumachepetsa ndi 30% mpaka 40% pa nthawi yonse yogwira ntchito ya zaka 5 poyerekeza ndi ma cartridge akale. Mwa kuyika ma cartridges ofanana pamakina enaake pafakitale, ogwiritsa ntchito amathanso kuchepetsa kwambiri zovuta zomwe zimakhalapo pazinthu zina, zomwe zimapangitsa kuti phindu la ntchito likhale lokwera kwa nthawi yayitali.

Mfundo Zofunika Kwambiri

• Zomaliza zofunika kwambiri ndi zifukwa za momwe Cartridge Mechanical Seal Imathandizira Kudalirika kwa Pampu
• Mafotokozedwe, kutsata malamulo, ndi macheke owopsa oyenera kutsimikiziridwa musanachite izi
• Njira zotsatila zogwira mtima komanso machenjezo omwe owerenga angagwiritse ntchito nthawi yomweyo

Mafunso Ofunsidwa Kawirikawiri

Kodi chisindikizo cha makina a katiriji chimathandiza bwanji kudalirika kwa pampu?

Imabwera yokonzedwa kale komanso yokonzedwa ku fakitale, zomwe zimachepetsa zolakwika pakuyika, kutuluka kwa madzi oyambira, komanso kusayika bwino nkhope. Izi zimathandiza kukulitsa nthawi yogwiritsira ntchito chisindikizo ndi nthawi yogwira ntchito ya pump.

N’chifukwa chiyani chisindikizo cha katiriji chili chodalirika kwambiri kuposa chisindikizo cha zigawo?

Chisindikizo cha katiriji chimaphatikizapo chivundikiro, nkhope, maspiringi, ndi gland mu unit imodzi. Kapangidwe kameneka kamachepetsa kusinthasintha kwa mawonekedwe, kumateteza nkhope za chisindikizo, komanso kumachepetsa chiopsezo cha shaft freaking.

Kodi ma cartridge seals angasunge nthawi yochuluka bwanji yokonza?

Mu nthawi zambiri zokonza mapampu, ma cartridge seal amatha kuyikidwa mkati mwa mphindi zosakwana 90, poyerekeza ndi maola 4 mpaka 6 a ma component seal. Izi zikutanthauza kuti ntchito ibwerera mwachangu komanso kufunikira kwa antchito kuchepetsedwa.

Kodi Victor Seals angapereke zisindikizo za makatiriji kuti zisinthidwe ndi mapampu a OEM?

Inde. Victor Seals imapereka ma cartridge ndi ma mechanical seal omwe amagwirizana ndi OEM kwa mitundu monga Grundfos, IMO, Alfa Laval, Flygt, Lowara, APV, Fristam, ndi Allweiler.

Ndi mafakitale ati omwe amapindula kwambiri ndi zisindikizo zamakina a cartridge?

Ndi othandiza kwambiri pa mankhwala, migodi, mafuta ndi gasi, petrochemical, magetsi, zamkati ndi mapepala, za m'madzi, ndi madzi komwe kuwongolera kutayikira kwa madzi ndi nthawi yogwira ntchito ndikofunikira.