Zvisimbiso zvePombi yeMvura yeMota: Kushanda zvakanaka kweInjini pakutonhodza

Nhanganyaya

Chisimbiso chepombi yemvura chinoita zvinopfuura kungomisa kubuda kwechinhu chinotonhodza: ​​chinodzivirira muganhu uripo pakati pezvikamu zvepombi zvinotenderera nedunhu rekutonhodza rine pressurized reinjini. Kana chisimbiso ichocho chikaparara, kurasikirwa nechinotonhodza, kusvibiswa kwemabheya, kuyerera kweropa kushoma, uye kupisa zvakanyanya zvinogona kutevera nekukurumidza. Kunzwisisa mashandiro anoita zvisimbiso izvi kwakakosha pakuongorora kutadza kushanda kwepombi, kunatsiridza hupenyu hwebasa, uye kuchengetedza tembiricha dzakagadzikana dzeinjini pasi pezvinodiwa zvemazuva ano zvekushanda. Chinyorwa chino chinotsanangura basa rechisimbiso mukushanda zvakanaka kwekutonhodza, kushushikana kwachinosangana nako kubva pakupisa, kumanikidzwa, kukweshana, uye makemikari echinotonhodza, uye maitiro ekukundikana anowanzo tungamira pakutsiviwa kwepombi yemvura.

Nei Zvisimbiso zvePombi yeMvura yeMotokari Zvichikosha Mukutonhodza Injini

Zvisimbiso zvepombi dzemvura zvemotokari zvinoshanda sechidziviriro chikuru mukati memasisitimu ekutonhodza einjini, zvichivhara musiyano uripo pakati pezvikamu zvemakanika zvinotenderera nenzvimbo ine pressurized fluid. Sezvo mainjini emazuva ano ekupisa mukati uye masisitimu emagetsi ekufambisa kupisa (EV) achida kushanda zvakanaka kwekupisa (kazhinji kacho pakupisa kwakasimba kwe105°C kusvika 115°C), mashandiro emasisitimu ekutenderera kwemhepo inotonhodza anova chinhu chakakosha.chisimbiso chemuchinainodzivirira pombi kuti isabude mupombi ichipinda muchikamu chemabheyaringi uye munzvimbo yakakura yeinjini.

Kugadzira nzira inoshanda yekuvharira pombi kwakaoma zvikuru nekuda kwekusangana panguva imwe chete nekukweshana kunotenderera, kurwiswa nemakemikari kubva kune zvinowedzerwa zvinotonhodza, uye kupisa kwakanyanya. Chisimbiso chakakanganisika hachingokanganisi chete kushanda zvakanaka kwekutonhodza asiwo chinoshanda sechinhu chikuru chinokonzera kutadza kushanda zvakanaka kwepombi yemvura, zvichikonzera 60% kusvika 70% yekutsiva pombi nguva isati yakwana uye zvichikonzera kupisa kwakanyanya kweinjini uye kukuvara kwakanyanya kwemuchina.

Maitiro ekuchengetedza midziyo inotonhorera

Zvisimbiso zvechiso zvemakanika zvinoshanda nekuenzanisa kwakaringana kwesimba remahydraulic neremakanika kuti zvichengetedze kutonhora. Kuungana kwacho kunowanzo kuve nerin'i yekubatanidza isingachinji yakamanikidzwa mupombi uye rin'i inotenderera yekutanga yakabatana ne impeller shaft. Chitubu chemukati kana kuti elastomeric bellows inoshandisa simba re axial rinoenderera mberi - kazhinji rinotangira pa15 kusvika 25 Newtons - zvichiita kuti zviso zvechisimbiso zvirambe zvichisangana kunyangwe injini yadzimwa.

Munguva yekushanda, kuomarara kwezviso zvechisimbiso kunobvumira jira remuchina wekupisa risingaonekwe kuti ripinde mukati mechikamu chekuvhara. Firimu iri remvura inotonhorera, rinowanzova pakati pema microns 0.5 ne2.0 muukobvu, rakakosha. Rinonyorovesa nzvimbo dzinosangana kuti dzideredze kukweshana nekusakara, nepo kushushikana kwenzvimbo uye kupfuta kwemvura munzvimbo yacho kuchidzivirira mvura yakawanda kuti isabude. Nekugadzira topography yechiso nokungwarira, vagadziri vanoita kuti chisimbiso chicheneswe utsi hwakakwana kuti chinyorovese zviso pasina kukonzera kurasikirwa kwemvura kunoyerwa.

Kukundikana kupi kunoshandura matambudziko echisimbiso kuita kukuvara kwepombi

Kuchinja kubva pakushanda kwakajairika kuenda pakukundikana kukuru kunowanzotanga kana kuenzana uku kwakasimba kwe hydrodynamic kukanganisika. Kana firimu remvura rikadzikira kana kuti rikabviswa netunhu tudiki, mvura inoyerera yakaoma inoitika. Izvi zvinowedzera tembiricha yepakati pechiso, zvichikonzera kutsemuka kwekupisa muzviso zveceramic kana kabhoni. Kana kusimba kwechiso kwakanganiswa, mwero wekubuda kwemvura unodarika zviri nyore chiyero chinogamuchirwa che 3 gramu paawa imwe neimwe yekushanda.

Kana mvura yabuda, chinhu chinotonhodza chinodzvanywa chinotyora gomba repombi. Zvinhu zvinotonhodza zvemotokari zvine mvura neglycol, izvo zvinokurumidza kusvibisa mafuta epolyurea anozora mabheringi. Kana mafuta angobviswa, mabheringi anogumira pakubata simbi nesimbi. Izvi zvinotungamira mukubatwa kwebearing kana kupwanyika kweshaft—kazhinji mukati memakiromita 1,000 kusvika 5,000 kubva pakupwanyika kwemvura kwekutanga—zvichishandura kuora kwechisimbiso chidiki kuita kutadza kwekutyaira kwechinhu chose.

Mhando dzeMagadzirirwo, Zvishandiso, uye Maitiro Ekushanda

Kushanduka kwezvisimbiso zvepombi dzemvura zvemotokari kwachinja kubva pazvisimbiso zvemiromo zverabha kusvika pazvisimbiso zvechiso zvakagadzirwa zvakanaka uye zvakagadzirwa nemakanika. Magadzirirwo emazuva ano anobatanidza chitubu, vhudzi, chiso chinotenderera, uye chigaro chisina kutenderera kuitakaturiji imwe chete yakaunganidzwa kareNzira iyi inodzivirira zviso zvinopinda mukati kuti zvisabatwe nehutachiona panguva yekubata uye inoita kuti zvive nyore kuenderana pazvinoiswa mupombi.

Kusarudza musanganiswa chaiwo wezvinhu uye magadzirirwo ejometri kunosarudza miganhu yekushanda kwechisimbiso. Mainjiniya anofanirwa kuyera kufambiswa kwekupisa, kuomarara, kuenderana kwemakemikari, uye mutengo pavanenge vachitsanangura huwandu hwezvinhu zvinoshandiswa pakushandisa pombi yekutonhodza.

Magadzirirwo ezvisimbiso nezvinhu zvinokanganisa sei mashandiro azvo

Kushanda kwechisimbiso chepombi yemvura kwakabatana zvakanyanya nehunhu hwetribological hwezvinhu zvayo zvechiso uye kusimba kwezvikamu zvayo zvechipiri zve elastomeric. Mhete huru inowanzogadzirwa kubva mu carbon-graphite composite, inosarudzwa nekuda kwehunhu hwayo hwakanaka hwekuzvizora uye kugadzikana kwayo. Mhete yekusangana isingachinji inoda kuomarara kwakanyanya uye kugadzikana kwekupisa, kazhinji ichishandisa high-alumina ceramic kana silicon carbide (SiC).

Zvikamu zvechipiri zvekuvhara, zvakaita se bellows ne O-rings, zvinoshandisa ma elastomers epamusoro kuti zvitore shaft vibration uye zvigamuchire angular misalignment. Hydrogenated Nitrile Butadiene Rubber (HNBR) ndiyo yakajairika nekuda kwekusagona kwayo kutonhora kweOrganic Acid Technology (OAT) uye inogona kushanda zvakanaka kubva -40°C kusvika 150°C. Panguva iyi, Fluoroelastomers (FKM, inosvika 200°C) kana Ethylene Propylene Diene Monomer (EPDM, inosvika -50°C) dzakatarwa kuti dzishandiswe kana paine kupisa kwakanyanya kana kuti dielectric fluids dzakagadzirwa.

Ndezvipi zvinodiwa pakushanda zvinonyanya kukosha

Pakusarudza chisimbiso chemuchina, mainjiniya anonyanya kukoshesa zvinhu zvakakosha zvekushanda kuti ave nechokwadi chekuti chinoshanda kwenguva refu munzvimbo dziri pasi pevhu. Muganho wePressure-Velocity (PV) unonyanya kukosha; unotsanangura mutoro wepamusoro uye kumhanya kwekutenderera kunogona kutsungirira zvinhu zvechiso pasina kupisa zvakanyanya. Zvisimbiso zvemota zvinotonhorera zvinoda chiyero chePV pakati pe10 ne15 MPa·m/s. Mukushandisa mota dzevatakuri, zvisimbiso zvepombi yemvura zvinofanirwa kugara zvichibata kumhanya kweshaft kusvika 8,000 kusvika 10,000 RPM.

Kureba kwekupisa kwekushanda uye kumanikidzwa kwesystem ndizvo zvinosarudza kusarudzwa kwezvinhu. Chinotonhodza mota chinoshanda pabhawa re1.0 kusvika 1.5, dzimwe nguva chichiwedzera pabhawa re2.5 panguva yekuwedzera kwekupisa. Chinotonhodza chinofanira kuchengetedza kusimba kwepakati pekupisa kubva pakutanga kwekutonhora pa -40°C kusvika pakukwirira kwekushanda kwenguva refu kwe +150°C. Uyezve, kugona kwechinotonhodza kutsungirira kumhanya kweshaft (kazhinji kunosvika <0.05 mm) pasina kurasikirwa nekutarisana nechiso chinhu chakakosha kuti chigare kwenguva refu.

Kuenzanisa zvinhu zvechisimbiso uye kupesana nekubuda kwemvura

Kubatana kwezvinhu zvakasiyana-siyana kunopa zvakanakira zvakasiyana pakushanda uye ma profiles ekudzivirira kubuda kwemvura. Sarudzo pakati pezvinhu zvechiso zvakajairwa nezvine premium zvinokanganisa zvakanyanya mutengo wekutanga uye hupenyu hwewarandi yepombi yemvura.

Zvishandiso zvesilicon carbide zvinopa kuoma kusingaenzaniswi, zvichiita kuti zvisapararire kubva mukukuvadzwa nesimbi dzakasungirirwa kana jecha rinokanda mu coolant. Zvisinei, SiC/SiC configurations haina hunhu hwekabhoni hunozvizora. Izvi zvinoita kuti zvive nyore kubatwa ne thermal shock kana pombi ikasangana nemamiriro ekuoma nekuda kwe low coolant levels.

Maitiro Evatengi Ekuongorora Zvisimbiso zvePombi yeMvura yeMotokari

Kutenga zvisimbiso zvepombi yemvura yemotokari kunoda maitiro akaomarara ekuongorora anoenderana nehunyanzvi hwekugadzirahupfumi hwezvekutengeswa kwezvinhuVatengi vanofanira kufamba-famba vachitevedza magariro evatengesi vepasi rose, vachisiyanisa vagadziri vanovimba nemidziyo yekare uye avo vanoshandisa metrology yepamusoro uye mitsetse yekubatanidza otomatiki.

Nekuti mutengo wekukundikana kwepombi yemvura unodarika mutengo weyuniti yechisimbiso, mainjiniya ekutenga vanoongorora zvakanyanya hurongwa hwekusimbisa hunhu, data rekuvimbika kwenhoroondo, uye maitiro ekuyedza anochinja-chinja vasati vapa zvibvumirano.

Kudzora mhando, bvunzo dzekusimbisa, uye kuteverwa

Zvivakwa zvekudzora hunhu hwemutengesi ndicho chiratidzo chikuru chekuvimbika kwenguva refu. Vatengi vanofanira kuda chitupa cheIATF 16949, chinova nechokwadi chekuti masisitimu ekugadzirisa hunhu hwemotokari anotevedzwa zvakasimba. Kuedzwa kwekusimbisa kunofanirwa kusanganisira kumhanya kwesimba, kazhinji kunoda kuti zvivharwe zvirarame kwemavhiki ekuyedza kwemaawa chiuru izvo zvinotevedzera kuvhunduka kwakanyanya kwekupisa—zvichichinja-chinja nekukurumidza pakati pe -40°C ne135°C—uku vachitarisa kubuda kwemvura kudiki (kutarisa mwero wezvikanganiso uri pasi pe10 kusvika 50 Parts Per Million, kana PPM).

Kutevedzana kwechinhu hakugone kutaurwa nezvako muzvitoro zvemotokari. Vatengesi vepamusoro vanoshandisa laser etching pamabhokisi esimbi kana esimbi isina ngura kunyora makodhi ebatch, mazuva ekugadzira, uye zvinhu. Kana paine garandi kana kutadza kushanda, kutevedzana uku kunobvumira mainjiniya kuti vaone kuti chigadzirwa chacho chaive chii, vachiona kana chikonzero chacho chaive chikanganiso chezvinhu, kukanganisa kwekuunganidza, kana boka rema elastomers asina kuenderana.

Mutengo, nguva yebasa, kuenderana, uye kuwanikwa zvinokanganisa sei sarudzo

Mutengo wose wekuva muridzi (TCO) unopfuura zvakanyanyamutengo wechidimbuKunyange hazvo chisimbiso cheCarbon/Ceramic chakajairika chingadhura $0.60 payuniti imwe neimwe kana chakawanda (semuenzaniso, MOQ 50,000), kukwidziridza kune gadziriso yepamusoro yeCarbon/SiC pa $1.50 kunogona kuwedzera hupenyu hwebasa repombi kubva pamakiromita 100,000 kusvika pamakiromita anopfuura 200,000, zvichideredza zvakanyanya vimbiso yewarandi.

Kuenderana nemakemikari ari kuchinja ekutonhodza zvinhu kunoitawo kuti pave nesarudzo. Kuchinja kuenda kuHybrid Organic Acid Technology (HOAT) uye maEV battery coolants chaiwo kunoda kusimbiswa kwakasimba kwe elastomer compatibility. Uyezve, vatengi vanofanira kuongorora supply chain resistance. Kutsvaga zvinhu kubva kunzvimbo dziri munzvimbo dzakasiyana kana kuti dzinozvishandira dzoga kunoderedza njodzi yemamiriro ezvinhu anokonzerwa nekukanganiswa kwekutumira zvinhu pasi rose, zvichiwanzoita kuti pave nemutengo wepamusoro weyuniti wekutumira zvinhu panguva chaiyo (JIT) uye nguva dzakajairwa dzekutumira zvinhu kubva kumavhiki masere kusvika gumi nemaviri zvichienzaniswa nemavhiki gumi nematanhatu zvichikwira kubva kune dzimwe nyika.

Matanho anoshanda ekuenzanisa mienzaniso nevatengesi

Pakuenzanisa mienzaniso kubva kune vanotengesa zvinhu, matanho ekuongorora anoshanda anopa ruzivo rwekujeka kwekugadzira. Vatengi vanofanira kukumbira mishumo yekusatsetseka kwemaziso ezvisimbiso. Mhete dzemhando yepamusoro dzinofanira kuyera mukati memabhandi maviri kusvika matatu emwenje wehelium (anenge 0.6 kusvika 0.9 microns) ekusatsetseka kwakakwana kuti ive nechokwadi chekuti firimu rehydrodynamic rakagadzikana.

Pamusoro pezvo, kuchekwa kwezvisimbiso zvemuenzaniso kunogona kuratidza hunhu hwekubatanidza. Kuongorora hunhu hwechivharo cheyuniti, kuona kuti chitubu chemukati chakabatana sei, uye kuongorora kupedzwa kwebellows dze elastomeric kuti uone kana paine zvikanganiso zve molding flash kana parting line matanho akakosha. Vatengesi vanofanirawo kupa data re statistical process control (SPC) rinoratidza kugona kwavo (Cpk) kune zviyero zvakakosha senge dhayamita yekunze yekudzvanya, uko Cpk ye1.33 (4 sigma) kusvika 1.67 (5 sigma) ndiyo chiyero cheindasitiri yemotokari.

Maitiro Akanakisisa Ekugadza, Kushanda, uye Kugadzirisa

Kunyangwe chisimbiso chemuchina chakagadzirwa nemazvo chichakundikana nekukurumidza kana nzira dzekuisa uye ma parameter ekushanda zvikasateererwa. Kubatana pakati pe cartridge yechisimbiso, pombi, uye impeller shaft kunotungamira kugadzikana uye kugadzikana kwechikamu chose.

Vagadziri veMidziyo Yepakutanga (OEMs)uye vanovakazve injini mushure memusika vanofanira kutevedzera mitemo yakasimba yekubatanidza uye kuziva zviratidzo zvekunyevera kwekutanga kwekuora kwehurongwa kudzivirira kutadza kutonhora kweinjini.

Mamiriro ekugadzira, nzvimbo dzemugodhi, uye zvinodiwa nechinhu chinotonhodza

Kuiswa kwayo kunoda kudzorwa kwakanyatsojeka kwezvakatipoteredza uye kwemakanika. Chisimbiso chinofanira kudzvanywa mupombi uchishandisa muchina wekusimbisa wakagadziriswa une maturusi akasarudzika anoshandisa simba chete kuflange yekunze. Kushandisa kudzvanywa kusina kuenzana kunogona kukanganisa casing, kuchinja kusimba kwechitubu uye kukonzera kusakara kwechiso kusina kuenzana. Bore rinopinda mupombi rinofanira kugadzirwa nemachina kusvika pakukwanisa kupindirana kwakasimba, zvichiita kuti pave nekupindirana kwakakodzera (kazhinji uchishandisa kirasi yekutsungirira yeH7/r6) pasina kukuvadza ganda rechisimbiso.

Mamiriro emugodhi we impeller akakoshawo. Kupera kwemugodhi uko zvigaro zve elastomer zvinoputira kunofanirwa kuchengetedzwa paRa ye 0.2 kusvika 0.4 micrometers. Chero kukwenya kana mavanga ekugadzira zvinogona kugadzira nzira yekudonhedza mvura pasi pe elastomer. Uyezve, kumhanya kwemugodhi kwakanyanya hakufanirwe kudarika 0.05 mm; kudedera kwakanyanya kunotenderedza zviso zvechisimbiso. Pakushanda, sisitimu iyi inoshandisa musanganiswa wakakodzera we coolant - kazhinji 50/50 ratio yemvura yakasanganiswa uye ethylene glycol - kudzivirira kudonha kwe silicate uye kupa mafuta anodiwa kune zviso zvechisimbiso.

Maitiro ekuongorora kubuda kwemvura, cavitation, uye kusvibiswa

Kuona matambudziko epombi yemvura kunoda kusiyanisa pakati pemaitiro akajairika ekushanda uye maitiro ekutadza kushanda. Kurasikirwa kwemvura kushoma kwakajairika; chisimbiso chinoshanda zvakanaka chichaburitsa utsi hunoungana mukamuri rekuchema repombi. Zvisinei, kana chitonhodzi chemvura chikadonha kubva mugomba rekuchema nekukurumidza kupfuura 10 ml paawa (inenge donhwe rimwe chete mumasekonzi gumi nemashanu ega ega), chiso chechisimbiso chekutanga chinenge chakundikana.

Kuvhuvhuta kwemhepo (cavitation) idambudziko rinowanzoitika uye rinoparadza. Kana kumanikidzwa kwesystem kuchiderera kana tembiricha ikakwira, chinhu chinotonhodza chinopera simba pedyo nemablade eimpeller. Kudonha kwemabubbles aya evapor kunogadzira mafungu enzvimbo anoparadza impeller uye anokonzera kumanikidzwa kwakanyanya, izvo zvinogona kubvisa zviso zvechisimbiso nesimba. Kusvibiswa ndicho chimwe chikonzero chikuru chekukundikana. Kurasa jecha kubvamabhuroko einjinikana RTV silicone yakawandisa kubva muzvigadziko zvegasket inoshanda setsvina inokwenya, ichibaya zvakanyanya kumeso kwekabhoni uye ichiparadza firimu rehydrodynamic.

Zvinhu Zvinokosheswa Pakusarudza uye Hurongwa hweSarudzo Dzekupedzisira

Kupedzisa zvinodiwa zvechisimbiso chepombi yemvura yemotokari kunoda kuongororwa kwakazara kwemaitiro einjini, nguva yebasa raunoda, zvinangwa zvewaranti, uye huwandu hwekugadzirwa hunotarisirwa. Hapana dhizaini imwe chete yechisimbiso yakanakisisa pasi rose; maitiro ekusarudza chiitiko chehunyanzvi mukuchinjana kweinjiniya.

Nekushandisa hurongwa hwesarudzo hwakarongeka, zvikwata zvekutenga nekugadzira zvinhu zvinogona kuenzanisa hunyanzvi hwehunyanzvi hwe

Zvinhu Zvinokosha Zvaunofanira Kuziva

• Mhedziso dzakakosha uye chikonzero cheMotokari Water Pomp Seals
• Magadzirirwo, kutevedzera mitemo, uye kuongororwa kwenjodzi zvinofanirwa kuongororwa usati waita chibvumirano
• Matanho anotevera anoshanda uye mazano anogona kushandiswa nevaverengi ipapo ipapo

Mibvunzo Inowanzo bvunzwa

Sei chisimbiso chepombi yemvura chakakosha pakushanda zvakanaka kweinjini?

Inochengetedza chinhu chinotonhodza mukati mepombi uku ichidzivirira mabheringi kubva pakudonhedza mvura. Chisimbiso chine hutano chinochengetedza kuyerera kwemvura, tembiricha yekushanda yakagadzikana, uye chinobatsira kudzivirira kupisa zvakanyanya kana kutadza kushanda zvakanaka kwepombi nguva isati yakwana.

Ndezvipi zviratidzo zvinowanzoonekwa zvekusashanda kwechisimbiso chepombi yemvura yemotokari?

Tarisa kana chinhu chinotonhodza chiri kuchema paburi remhepo, kunhuwa kwechinhu chinotonhodza, mwero wakaderera wechinhu chinotonhodza, ruzha rwemabheyaringi, kana kukwira kwetembiricha yeinjini. Dzorera pombi kana seal assembly usati wapararira nekukuvara kwemabheyaringi.

Ndezvipi zvinhu zvechisimbiso zvinoshanda zvakanyanya kune masisitimu emazuva ano ekutonhodza?

Sarudzo dzinonyanya kusarudzwa icarbon vs. ceramic kana silicon carbide faces dzine HNBR elastomers. Kune kupisa kwakanyanya kana mvura chaiyo, FKM kana EPDM zvingave zviri nani, zvichienderana nemakemikari anotonhodza uye tembiricha.

Chinotonhodza chakasviba chinogona kukanganisa pombi yemvura here?

Ehe. Tsvina, ngura, kana chinhu chinotonhodza chisina kunaka zvinogona kukanganisa firimu rinozora pakati pezvisimbiso, zvichikonzera kuoma kwekushanda, kupera, uye kubuda kwemvura. Shandisa chinhu chinotonhodza chakasarudzwa uye chengetedza system yakachena panguva yekushanda.

Victor Seals inogona kutsigira zvinodiwa zvechisimbiso chepombi chinoenderana neOEM here?

Ehe. Victor Seals inogadzira zvisimbiso zvemakanika uye zvikamu zvechisimbiso zvinoenderana neOEM, kusanganisira sarudzo dzakagadzirirwa, zvezvinodiwa pakugadzirisa pombi. Goverana modhi yepombi, saizi yemubato, mvura, tembiricha, uye kumhanya kuti zvienderane.