Sei zvisimbiso zvakanaka zvisingasakari?

Isu tinoziva kuti chisimbiso chemuchina chinofanirwa kufamba kudzamara kabhoni yapera, asi chiitiko chedu chinotiratidza izvi hazvimboitika nechisimbiso chepakutanga chakauya chakaiswa pombi.Isu tinotenga chisimbiso chitsva chinodhura uye icho hachisakara zvakare.Saka chisimbiso chitsva chaive kutambisa mari here?

Kwete saizvozvo.Pano uri kuita chimwe chinhu chinoratidzika kuva chine musoro, uri kuedza kugadzirisa dambudziko rechisimbiso nekutenga chimwe chisimbiso, asi zvakafanana nekuedza kuwana basa rependi rakanaka pamotokari nekutenga rudzi rwakanaka rwependi.

Kana waida kuwana pendi yakanaka pamotokari waifanira kuita zvinhu zvina: Gadzirira muviri (kugadzirisa simbi, kubvisa ngura, kuisa jecha, masking nezvimwewo);tenga chimiro chakanaka chepende (pendi yose haina kufanana);shandisa pendi nemazvo (nechaizvo chiyero chakakodzera chekumanikidza kwemhepo, pasina kudonha kana kumhanya uye kugara uchiisa jecha pakati pemajasi ekutanga uye ekupedzisira);uye chengetedza pende mushure mekunge yaiswa (ichengetedze yakashambidzwa, yakanatswa uye garaji).

mcneally-seals-2017

Kana iwe wakaita izvo zvinhu zvina nemazvo, basa rekupenda rinogona kugara kwenguva yakareba sei pamotokari?Zviri pachena kwemakore.Buda panze utarise mota dzichipfuura uye uchaona humbowo hwevanhu vasiri kuita zvinhu zvina izvozvo.Kutaura zvazviri, hazviwanzoitiki zvokuti patinoona motokari yekare inoratidzika zvakanaka, tinoitarisa.

Kuwana hupenyu hwakanaka hwechisimbiso kunosanganisirawo matanho mana.Dzinofanirwa kuve pachena, asi ngatizvitarisei zvakadaro.

Gadzirira pombi yechisimbiso - ndiro basa remuviri
Tenga chisimbiso chakanaka - pende yakanaka
Isa chisimbiso zvakanaka - shandisa pende nemazvo
Isa chaiyo kudzora kwezvakatipoteredza kana zvichidikanwa (uye pamwe ndizvo) - zvakare geza uye wakisi
Tichatarisa chimwe nechimwe chezvidzidzo izvi zvakadzama uye tinotarisira kutanga kuwedzera hupenyu hwemakiniti zvisimbiso zvedu kusvika painosakara mazhinji.Ruzivo urwu rune chekuita nemapombi epakati asi anogonawo kushanda kune chero mhando ipi zvayo yemidziyo inotenderera, kusanganisira zvinosanganisa nemagitator.

Gadzirira pombi yechisimbiso

Kugadzirira iwe unofanirwa kuita kurongeka pakati pepombi uye mutyairi, uchishandisa laser aligner.A "C" kana "D" furemu adapta isarudzo iri nani.

Tevere, unodzikamisa gungano rinotenderera, rinogona kuitwa uchishandisa yakawanda vibration yekuongorora michina, asi tarisa nemutengesi wako kana iwe usina chirongwa.Iwe unofanirwa kuve nechokwadi kuti shaft haina kukotama uye kuti unoitenderedza pakati penzvimbo.

Ipfungwa yakanaka kudzivirira shaft maoko, sezvo shaft yakasimba isingaite kutsauka uye iri nani kune chisimbiso chemuchina, uye edza kuderedza kunetsa kwepombi pese pazvinogoneka.

Shandisa "centre line" pombi yekugadzira kana tembiricha yechigadzirwa ichipfuura 100°C, sezvo izvi zvichideredza mamwe matambudziko epombi papombi.Zvakare, shandisa mapombi ane yakaderera shaft kureba kusvika dhayamita reshiyo.Izvi zvakakosha zvakanyanya nemapombi ebasa anopindirana.

Shandisa oversize stuffing bhokisi, dzivisa tapered dhizaini, uye kupa chisimbiso nzvimbo yakawanda.Edza kuita kuti bhokisi rekupfekedza kumeso rive sikweya kune shaft sezvinobvira, izvo zvinogona kuitwa uchishandisa akatarisana maturusi, uye kuderedza kuzununguka nekushandisa chero matekiniki aunoziva.

Izvo zvakakosha kuti usasiye pombi cavitate, sezvo zviso zvechisimbiso zvichavhurika uye zvichigona kukuvara.Sando yemvura inogonawo kuitika kana simba rikarasika pombi ichiri kushanda, saka tora matanho ekudzivirira kudzivirira matambudziko aya.

Pane zvinhu zvishoma zvinoda kuongororwa pakugadzirira pombi yechisimbiso, kusanganisira;kuti kuwanda kwepombi / mota pedestal inokwana kashanu kuwanda kweiyo hardware yakagara pairi;kuti pane madhayamita gumi epombi pakati pekusveta kwepombi negokora rekutanga;uye kuti chigadziko cheplate chakaenzana uye chakachekwa panzvimbo.

Chengetedza impeller yakashama yakagadziridzwa kuderedza kuzunguzika uye matambudziko emukati ekudzokorodza, ita shuwa kuti mabearings ane huwandu hwakafanira hwekuzora, uye kuti mvura uye solids hazvisi kupinda mugomba rekubereka.Iwe unofanirwa zvakare kutsiva girizi kana miromo seal nelabyrinth kana kumeso zvisimbiso.

Ita shuwa yekudzivirira kuburitsa mitsara yekudzokorodza yakabatana nebhokisi rekuisa, muzviitiko zvakawanda suction recirculation ichave nani.Kana pombi ine zvindori zvekupfeka, ita shuwa kuti unotarisawo kubvumidzwa kwavo.

Zvinhu zvekupedzisira zvekuita paunenge uchigadzira pombi kuve nechokwadi chekuti zvikamu zvakanyoroveswa zvepombi zvinogadzirwa kubva muzvinhu zvisingaite ngura, sezvo zvinochenesa uye zvinonyungudutsa mumitsetse dzimwe nguva zvinokonzeresa matambudziko asina kumbofungirwa nemugadziri.

Wobva wavhara mhepo chero ipi zvayo ingangove ichipinda mudivi rekukweva pombi uye wobvisa chero ingangovharirwa muvolute.

Tenga chisimbiso chakanaka

Shandisa hydraulically yakaenzana madhizaini anosimbisa zvese kumanikidza uye vacuum uye kana uchizoshandisa elastomer muchisimbiso, edza kushandisa o-ring.Aya ndiwo akanakisa chimiro chezvikonzero zvakawanda, asi usarege chero munhu achitubudza iyo o-mhete kana kuti haizochinjika kana kukunguruka sezvainofanirwa.

Iwe unofanirwawo kushandisa isiri-fretting chisimbiso madhizaini sezvo shaft fretting chiri chikonzero chikuru chekutadza chisimbiso nguva isati yakwana.

Zvisimbiso zvakamira (apo zvitubu zvisingatenderere negomba) zviri nani pane zvisimbiso zvinotenderera (zvitubu zvinotenderera) zvekuvharisa zvinobuda muhupoteri uye chero imwe mvura.Kana chisimbiso chine zvitubu zviduku, zvichengetedze kunze kwemvura kana kuti zvichavhara nyore nyore.Kune akawanda echisimbiso madhizaini ane iyi isiri-kuvhara chimiro.

Chiso chakafara chakaoma chakanakira iyo radial kufamba kwatinoona mumixer application uye izvo zvisimbiso zvakamisikidzwa kureba kubva kumabheri.

Iwe zvakare unozoda imwe mhando yekudedera inonyorovesa kune yakakwira tembiricha simbi mabhero zvisimbiso nekuti ivo vanoshaya elastomer inowanzoita basa iro.

Shandisa madhizaini anochengeta mvura yekuvharisa pachisimbiso kunze kwedhayamita, kana simba recentrifugal rinokanda maomarara muzviso zvakaputirwa uye kumisa kufamba kwadzo kana kabhoni yapfeka.Iwe unofanirwawo kushandisa makabhoni asina kuzadzwa kune zviso zvechisimbiso sezvo ari iwo akanakisa mhando uye mutengo hausi wakawandisa.

Zvakare, iva nechokwadi chekuti unokwanisa kuona zvese zvisimbiso nekuti hazvibviri kugadzirisa "chakavanzika zvinhu".

Usarega mutengesi achikuudza kuti zvinhu zvake ndezvemuridzi, uye kana ari iwo mafungiro avo, tsvaga mumwe mutengesi kana mugadziri, zvikasadaro wakakodzera matambudziko ese auchave nawo.

Edza kuchengeta elastomers kure nechisimbiso chiso.Elastomer ndicho chimwe chikamu chechisimbiso chinonyanya kunzwisiswa nekupisa, uye tembiricha inopisa zvakanyanya pazviso.

Chero chigadzirwa chine njodzi kana chinodhura chinofanirawo kuvharwa nezvisimbiso zviviri.Iva nechokwadi chekuti hydraulic balance iri mumativi ese kana uri kubhejera kuti imwe yezviso inogona kuvhura mukudzvinyirirwa kudzoreredza kana kuvhiya.

Chekupedzisira, kana dhizaini iine kabhoni yakadzvanywa musimbi inobata, iva nechokwadi chekuti kabhoni yakadzvanywa uye kwete "yakanyura mukati".Yakadzvanywa kabhoni inogera kuti ienderane nezvisina kurongeka muchibatiso chesimbi, zvichibatsira kuti zviso zvakapfekwa zvisadzikama.

Isa chisimbiso nemazvo

Cartridge seals ndiyo yega dhizaini ine musoro kana iwe uchida kugadzirisa impeller, uye zviri nyore kuisa nekuti haudi kudhindwa, kana kutora chero zviyero kuti uwane iyo chaiyo mutoro wechiso.

Katuriji mbiri mbiri seal dzinofanirwa kuve nemhete yekupomba yakavakirwa mukati uye iwe unofanirwa kushandisa buffer fluid (yakaderera pressure) pakati pezvisimbiso pese pazvinogoneka kudzivirira matambudziko ekunyungudutsa chigadzirwa.

Dzivisa chero rudzi rweoiri sebuffer fluid nekuda kwemafuta akadzikira kupisa uye kusaita zvakanaka.

Paunenge uchiisa, chengetedza chisimbiso chiri pedyo nemabhengi sezvinobvira.Panowanzoita nzvimbo yekufambisa chisimbiso kunze kwebhokisi rekuputira uye wozoshandisa nzvimbo yebhokisi rekuisa nzvimbo yekutsigira bushing kubatsira kudzikamisa shaft inotenderera.

Zvichienderana nechikumbiro, iwe uchafanirwa kusarudza kana iyi tsigiro bushing inofanirwa kuchengetwa axially.

Kupatsanura zvisimbiso zvakare zvine musoro mune chero application iyo isingade mbiri mbiri kana kutiza emission chisimbiso (kudonha kunoyerwa muzvikamu pamiriyoni).

Split seals ndiyo yega dhizaini yaunofanirwa kushandisa pamapombi anopera kaviri, zvikasadaro uchafanirwa kutsiva zvisimbiso zvese kana chisimbiso chimwe chete chatadza.

Ivo zvakare vanokutendera iwe kuti uchinje zvisimbiso pasina kuita kuwirirana nemutyairi wepombi.

Usazora zviso zvisimbiso pakumisikidzwa, uye chengeta zviso zvakasimba kubva pazviso zvakasungwa.Kana pane chidziviriro chekudzivirira pazviso zvechisimbiso iva nechokwadi chekubvisa iyo isati yaiswa.

Kana iri rubber bellows chisimbiso, inoda mafuta anokosha anozoita kuti mabhero anamate kugomba.Iyo inowanzova petroleum-based fluid, asi unogona kutarisa nemutengesi wako kuti ave nechokwadi.Rubber bellows seals inodawo shaft kupera kusina nani kupfuura 40RMS, kana kuti rabha ichanetseka kunamatira kune shaft.

Chekupedzisira, kana uchiisa mune yakatwasuka application, ita shuwa yekuburitsa bhokisi rekuisa pazviso zvechisimbiso.Iwe unogona kuisa iyi vent kana mugadziri wepombi asina kumboipa.

Mazhinji ma cartridge seals ane vent yakavakirwa mukati iyo iwe unokwanisa kubatana kune pombi kusveta kana imwe yakaderera yekumanikidza nzvimbo muhurongwa.

Chengetedza chisimbiso

Nhanho yekupedzisira yekuwana hupenyu hwakanaka hwekusimbiso ndeyekuramba uchiitarisira.Zvisimbiso zvinosarudza kuvharira mvura inotonhorera, yakachena, inozora mafuta, uye nepo isu tisingawanzove neimwe yeiyi yekusimbisa, pamwe unogona kuisa kudzora kwezvakatipoteredza munzvimbo yebhokisi rekuisa kuti uchinje chigadzirwa chako kuita chimwe.

Kana uri kushandisa jekete stuffing bhokisi, iva nechokwadi kuti bhachi yakachena.Condensate kana steam ndiyo yakanakisa mvura yekutenderera nejacket.

Edza kuisa kabhoni bushing mumagumo ebhokisi rekuputira kuti riite sechivharo chekupisa chinozobatsira kudzikamisa tembiricha yebhokisi rekuisa.

Flushing ndiyo yekupedzisira kudzora kwezvakatipoteredza sezvo ichikonzera kuderedzwa kwechigadzirwa, asi kana iwe uri kushandisa chisimbiso chaicho hauzode yakawanda flush.Marita mana kana mashanu paawa (chiziviso chandati awa kwete miniti) anofanira kunge akakwana rudzi irworwo rwechisimbiso.

Iwe unofanirwawo kuchengetedza mvura ichifamba mubhokisi rekuisa zvinhu kudzivirira kuwanda kwekupisa.Suction recirculation inobvisa solids inorema kupfuura chigadzirwa chauri kuisa chisimbiso.

Sezvo iyo ndiyo inonyanya kuzivikanwa slurry mamiriro, shandisa suction recirculation seyero yako.Uyewo, dzidza pokusaishandisa.

Discharge recirculation ichakubvumidza iwe kusimudza kudzvanywa mubhokisi rekuisa kuti udzivise mvura kubva pakupupuma pakati pezviso zvakaputirwa.Edza kusatarisa mutsara wekudzokorora pazviso zvakasungwa, zvinogona kuvakuvadza.Kana uri kushandisa simbi mabhero mutsetse recirculation anogona kuita sejecha uye kucheka matete mabhero ndiro.

Kana chigadzirwa chacho chakanyanya kupisa, tonhodza nzvimbo yebhokisi rekuisa.Zvakakosha kuyeuka kuti izvi zvidzoreso zvakatipoteredza zvinowanzonyanya kukosha kana pombi yakamira nokuti soak tembiricha uye shutdown kutonhora kunogona kuchinja stuffing bhokisi tembiricha zvikuru, zvichiita kuti chigadzirwa kuchinja mamiriro.

Zvigadzirwa zvine njodzi zvinoda API.type gland kana ukasarudza kusashandisa zvisimbiso zviviri.Iyo njodzi bushing iyo chikamu che API.configuration ichadzivirira chisimbiso kubva pakukuvadzwa kwemuviri kana iwe uchifanira kurasikirwa nebere kana pombi iri kushanda.

Ita shuwa kuti iyo API yekubatanidza yakaitwa nemazvo.Zviri nyore kusanganisa zviteshi zvina uye wotora mutsara kana recirculation mutsetse wekudzima.

Edza kusaisa yakawandisa mupfu kana mvura kuburikidza nekudzima kwekubatanidza kana ichapinda mune inotakura kesi.Leakage kunze kweiyo drain yekubatanidza inowanzoonekwa sekutadza kwechisimbiso nevashandisi.Iva nechokwadi kuti vanoziva mutsauko.

Kushandisa aya matipi echisimbiso

Pane anomboita zvinhu zvina izvi here?Zvinosuruvarisa kwete.Kana tikadaro, 85 kana 90 muzana yezvisimbiso zvedu zvinenge zvasakara, pane gumi kana gumi neshanu muzana.Chisimbiso chisati chambokundikana chine yakawanda yekabhoni chiso chakasara chinoramba chiri mutemo.

Chikonzero chakajairika chatinonzwa kutsanangura kushaiwa kwedu kwehupenyu hwakanaka hwechisimbiso ndechekuti hapana nguva yekuzviita nemazvo, inoteverwa nechirevo, "Asi pane nguva yekuzvigadzirisa."Vazhinji vedu tinoita imwe kana maviri ematanho anodiwa uye tinowana kuwedzera muhupenyu hwedu hwekusimbiso.Hapana chakaipa nekuwedzera kwehupenyu hwechisimbiso, asi iyo inzira yakareba kubva pakupfeka zvisimbiso.

Funga nezvazvo kweminiti.Kana chisimbiso chichitora gore, dambudziko racho ringave rakakura sei?Tembiricha haigone kunge yakakwira zvakanyanya kana kumanikidza kwakanyanya.Dai chaive chokwadi hazvitore gore kuti chidhindo chisapere.Chigadzirwa hachigone kuve chakasviba zvakanyanya nekuda kwechikonzero chimwe chete.

Isu tinowanzoona kuti dambudziko rakapusa sedhizaini yechisimbiso iri kushungurudza shaft, ichikonzera nzira yekuvuza kuburikidza neakakuvadzwa sleeve kana shaft.Dzimwe nguva tinoona kuti kuputika kunoshandiswa kuchenesa mitsetse kamwe chete pagore ndiyo ine mhosva, uye hapana ari kushandura zvisimbiso zvinhu kuti aratidze kutyisidzira uku kune zvikamu zvechisimbiso.