Yintoni iMpampu yamanzi Mechanical Seal

Isitywina somatshini wempompo yamanzi yinxalenye ebalulekileyo eyenzelwe ukuthintela ukuvuza kwamanzi kwimpompo, ukuqinisekisa ukusebenza kakuhle kunye nokuphila ixesha elide. Ngokusebenzisa indibaniselwano yezinto ezigcina uqhagamshelwano oluqinileyo ngelixa lihamba, lisebenza njengomqobo phakathi kweendlela zangaphakathi zempompo kunye nokusingqongileyo kwangaphandle. Eli tywina lidlala indima ebalulekileyo ekugcineni intembeko yeenkqubo zokumpompa amanzi kuzo zonke iinkqubo ezahlukeneyo, ukusuka kwizixhobo zasekhaya ukuya koomatshini boshishino.

Yintoni AmanziImpompo Mechanical Seal?
Isitywina somatshini wempompo yamanzi sisebenza njengelungu elibalulekileyo kwiimpompo ezahlukeneyo, zidlala indima ebalulekileyo ekuthinteleni ukuvuza kwamanzi. Ibekwe phakathi kweshafti ejikelezayo kunye neendawo ezimileyo zempompo, eli tywina ligcina isithintelo sothintelo esithintela ulwelo olumpontshwayo ukuba lubaleke lusingqongileyo okanye lungene kwimpompo ngokwayo. Ngenxa yokubaluleka kwazo okusisiseko ekuqinisekiseni ukusebenza ngokufanelekileyo, okungavuziyo, ukuqonda ubume kunye nomsebenzi wezi tywina kungundoqo kuye nabani na obandakanyekayo kugcino lwempompo, uyilo, okanye ekukhetheni.

Ulwakhiwo lwempompo yomatshini wokutywina ibandakanya ezimbini eziphambiliubuso bokutywina: enye ifakwe kwi-shaft ejikelezayo kwaye enye igxininiswe kwindawo emileyo yempompo. Obu buso benziwe ngokuchanekileyo ngomatshini kwaye bupolishwe ukuqinisekisa ukuvuza okuncinci kwaye zicinezelwe kunye namandla achaziweyo yimithombo okanye ezinye iindlela. Ukhetho lwemathiriyeli kobu buso bokutywina lubalulekile kuba kufuneka luhambise iimeko ezahlukeneyo zokusebenza, kubandakanywa ubushushu, uxinzelelo, ukuhambelana kweekhemikhali kunye nolwelo olumpontshwayo, kunye namasuntswana anokubakho abrasive akhoyo kulwelo.

Omnye umba onomtsalane weempompo zamanzi ezitywinwa ngoomatshini phezu kwamadlala okupakisha emveli kukukwazi kwabo ukuphatha uxinzelelo oluphezulu kunye nokusebenza kwabo ekuqulatheni ulwelo oluyingozi okanye oluxabisekileyo olunempembelelo encinci yokusingqongileyo. Uyilo lwabo lunciphisa ilahleko ephazamisayo eguqulela ekusebenzeni kakuhle kwamandla kunye nokunciphisa iindleko zokusebenza ngokuhamba kwexesha.

Isebenza Njani Itywina leMpompo yeMpompa yaManzi?
Umgaqo wokusebenza emva kwetywina lomatshini uthe ngqo kodwa usebenza kakhulu. Xa umpompo usebenza, inxalenye ejikelezayo yesitywina ijika kunye ne-shaft ngelixa indawo emileyo ihlala ihleli. Phakathi kwala macandelo mabini kukho ifilimu encinci kakhulu yolwelo olusuka kwimpompo ngokwayo. Le filimu ayithambisi nje ubuso betywina kuphela kodwa ikwasebenza njengomqobo othintela ukuvuza.

Ukusebenza kwesi sixhobo sokutywina kuxhomekeke kakhulu ekugcineni ibhalansi efanelekileyo phakathi kokugcina uqhagamshelwano olusondeleyo (ukuthintela ukuvuza) kunye nokunciphisa ukukhuhlana (ukunciphisa ukuguga). Ukufezekisa olu lungelelwaniso, izitywina zoomatshini ziyilwe ngokukhazimliswa kakhulu kunye nemigangatho ethe tyaba ezivumela ukuba zityibilike ngokutyibilikayo ngokuchasene nomnye, zinciphisa ukuvuza ngelixa zinciphisa ukubola kunye nokukrazula.

Iimpawu zoomatshini zisebenzisa iindlela zasentwasahlobo ukugcina uxinzelelo oluqhubekayo phakathi kobuso betywina, ukulungelelanisa ukuguga okanye naluphi na ulungelelwaniso phakathi kwe-shaft kunye nempompo yezindlu. Oku kulungelelaniswa kuqinisekisa ukuba nangemva kokusetyenziswa okubalulekileyo, isitywina soomatshini sinokuqhubeka nokusebenza ngokufanelekileyo, ukuthintela ukuvuza kwamanzi ngokufanelekileyo kulo lonke ubomi benkonzo.

Izinto eziluncedo Pump Water Mechanical Seal
Ukutywinwa okuPhezulu okuSebenzayo: Iimpawu zoomatshini zibonelela ngokutywinwa okuphezulu xa kuthelekiswa neendlela zemveli ezifana nokupakishwa kwedlala, ukunciphisa kakhulu umngcipheko wokuvuza kunye nokukhuthaza ukhuseleko lokusingqongileyo.
Ukugcinwa okuNcitshisiweyo kunye neeNdleko: Izitywina zoomatshini zihlala zihlala kwaye zifuna ukulungiswa rhoqo okanye ukutshintshwa, okukhokelela ekunciphiseni ixesha eliphantsi kunye nokugcinwa kwexesha elide lokusebenza.
Ukugcinwa kwamandla: Uyilo lwezitywina zoomatshini kunciphisa ukungqubana, okukhokelela ekusetyenzisweni kwamandla okuncinci ngenkqubo yempompo kunye nokugcinwa kweendleko ezibalulekileyo ngexesha.
I-Versatility: Iitywina zoomatshini zinokuphatha iintlobo ngeentlobo zolwelo, amaqondo obushushu, uxinzelelo, kunye nokwakheka kweekhemikhali, kubenza bafanelekele uluhlu olubanzi lwezicelo kuwo wonke amashishini.
UkuNxitywa okuNcitshisiweyo kwiiNgxelo zeMpompo: Ukutywinwa ngokufanelekileyo kunciphisa ukuvuza kwangaphakathi, ukukhusela i-shafts yepompo kunye neebheringi kumonakalo kunye nokwandisa ubomi bezinto ezibalulekileyo.
Ukuqhubela phambili kweTekhnoloji: Ukuqhubela phambili kwitekhnoloji yezixhobo kuye kwakhokelela ekuvelisweni kwezitywina ezinokwethenjelwa ngakumbi ngoomatshini ezikwaziyo ukusebenza phantsi kweemeko ezinzima ngaphandle kokusilela. Izixhobo ezifana nesilicon carbide, tungsten carbide, kunye neekeramics zinika ukuxhathisa okongeziweyo ngokuchasene nobushushu, ukunxiba kunye nokudleka.
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Iindidi zokutywinwa koomatshini kwiimpompo zamanzi
Iindidi zeNkcazelo yeZitywina zoomatshini
Ulungelelaniso vs.Amatywina angalungelelanangaAmatywina alungeleleneyo aphatha uxinzelelo oluphezulu kunye nomthwalo oncitshisiweyo wehydraulic ebusweni betywina, eqinisekisa ubomi obude. Izitywina ezingalinganiyo zilula, zifaneleke ngakumbi kwizicelo zoxinzelelo oluphantsi.
Iitywina zePusher kunye ne-Non-Pusher zitywina zisebenzisa izinto zesibini ukugcina uqhagamshelwano kwiingcinezelo ezahlukeneyo, ukulungelelanisa kakuhle kodwa kulula ukunxiba. Amatywina angengo-pusher axhomekeke kwintsimbi ye-elastomeric ubomi obude kunye neendawo ezimbalwa ezihambayo.
I-Cartridge Seals Ihlanganiswe kwangaphambili ukwenzela ukufakwa lula, ilungele ukulungelelaniswa ngokuchanekileyo, ukunciphisa iimpazamo kunye nexesha lokulondoloza. Eyaziwa ngokuthembeka kunye nokulula.
IBellow Seals Sebenzisa intsimbi okanye i-elastomeric bellows endaweni yesprings, evumela ukungahambi kakuhle kunye nokuphatha ulwelo oludlekayo kakuhle.
I-Lip Seals Iindleko eziphantsi kunye nokulula, zingena ngqo kwi-shaft ene-interference fit, esebenzayo kwiimeko zenjongo jikelele kodwa ayifanelekanga kuxinzelelo oluphezulu okanye usetyenziso lwe-abrasive fluid.
I-Balanced vs. Iitywina ezingalungelelananga
Ii-Mechanical Seals ezingalungelelananga ikakhulu zinengxaki yoxinzelelo oluphezulu olusebenza kubuso betywina, nto leyo enokukhokelela ekwandeni kokunxiba kunye nokukrazuka. Ubulula boyilo bubenza balungele izicelo zoxinzelelo oluphantsi, ngokuqhelekileyo aludluli kwi-12-15 imivalo. Ulwakhiwo lwazo oluthe ngqo luthetha ukuba zihlala zineendleko ezingaphezulu kodwa zisenokungalungeli iinkqubo zoxinzelelo oluphezulu ngenxa yokuthambekela kwazo ukuvuza phantsi koxinzelelo olongeziweyo.

Iitywina zoomatshini ezilungeleleneyozenzelwe ukujongana noxinzelelo oluphezulu kakhulu ngokusebenzayo, ezihlala zisetyenziswa kwizicelo ezingaphaya kwemivalo engama-20. Oku kuphunyezwa ngokuguqula ijometri yetywina ukuze ilungelelanise uxinzelelo lolwelo olusebenza kubuso betywina, ngokwenjenjalo kuncitshiswa amandla e-axial nobushushu obuveliswa kujongano. Ngenxa yolu lungelelwaniso luphuculweyo, ezi zitywina zinika ubomi obude obuphuculweyo kunye nokuthembeka kwiindawo ezinoxinzelelo oluphezulu kodwa zithande ukubanzima kwaye zibiza kakhulu kunezabalingane bazo ezingalungelelananga.

Amatywina oMtyhali kunye nalawo angengoMtyhali
Eyona nto iphambili eyenza ezi ntlobo zimbini zetywina zihluke yindlela yazo yokukhawulelana notshintsho ekunxityweni kobuso okanye utshintsho lwe-dimensional ngenxa yokuguquguquka kobushushu kunye nokwahluka koxinzelelo.

IiPusher Seals zisebenzisa into eguqukayo yokutywina yesibini, efana ne-O-ring okanye i-wedge, ehamba nge-axially ecaleni kweshafti okanye umkhono ukugcina unxibelelwano nobuso betywina. Le ntshukumo iqinisekisa ukuba ubuso betywina buhlala buvaliwe kwaye bulungelelaniswe ngokufanelekileyo, ngaloo ndlela buhlawulela ukunxiba kunye nokwandiswa kwe-thermal. Izitywina zePusher ziyaziwa ngokuguquguquka kwazo kwiimeko ezahlukeneyo zokusebenza, zibenza ukhetho olusebenzayo kuluhlu olubanzi lwezicelo.

Amatywina angaPushersebenzisa into engatshintshiyo yokutywina-ngokuqhelekileyo intsimbi (isinyithi okanye i-elastomer) -eguqukayo ukuze ilungelelanise utshintsho kubude phakathi kobuso betywina ngaphandle kokuhamba nge-axially ecaleni kwecandelo elitywinwayo. Olu luyilo luphelisa imfuno yento eguqukayo yokutywinwa kwesibini, ukunciphisa amandla okuxhoma okanye ukunamathela okubangelwa ukungcola okanye iidiphozithi kumacandelo e-sliding. Amatywina angengo-pusher aluncedo ngakumbi ekuphatheni iikhemikhali ezinzima, amaqondo obushushu aphezulu, okanye apho kufunwa ukugcinwa okuncinci.

Ukhetho phakathi kwetywina lokutyhala kunye ne-non-pusher luhlala luxhomekeke kwiimfuno ezithile zokusebenza ezifana nohlobo lwe-fluid, uluhlu lweqondo lokushisa, amanqanaba oxinzelelo, kunye neenkxalabo zokusingqongileyo ezifana nokuhambelana kweekhemikhali kunye nokucoceka. Uhlobo ngalunye lunoncedo lwalo olulodwa: izitywini ezityhalayo zibonelela ngokuguquguquka kuzo zonke iimeko ezahlukeneyo ngelixa izitywina ezingashukumiyo zibonelela ngokuthembeka kwiimeko ezibangwayo ezinokugcinwa kancinci.

Iimpawu zeCartridge
Izitywina zeCartridge zimela ukuqhubela phambili okubonakalayo kwindawo yokutywinwa koomatshini kwiimpompo zamanzi. Ezi tywina zahlulwa ngoyilo lwazo zonke-kwinye, ezibandakanya itywina kunye nepleyiti yedlala kwiyunithi enye. Le ndalo idityaniswe kwangaphambili yenza lula iinkqubo zofakelo kwaye icuthe iimpazamo zokuseta ezinokukhokelela kukusilela kwetywina. Iimpawu zeCartridge zenzelwe ukulula ukugcinwa kunye nokuthembeka, okwenza kube yinto ekhethwayo kwizicelo apho ukuchaneka kunye nokuqina kubaluleke kakhulu.

Isici esichazayo se-cartridge seals kukukwazi kwabo ukulungiselela ukungahambi kakuhle phakathi kwe-pump shaft kunye negumbi lokutywina. Ngokungafaniyo nezitywina zecandelo lesintu ezifuna ulungelelwaniso oluchanekileyo ukuze zisebenze ngokufanelekileyo, izitywina zekhatriji ziyaxolela ukuya kwinqanaba elithile lokungalungelelanisi, ngaloo ndlela kuncitshiswa ukunxiba kunye nokwandisa ubomi benkonzo. Olu phawu luluncedo ngakumbi kwizicelo ezibandakanya ukujikeleza ngesantya esiphezulu okanye iimeko ezahlukeneyo zokusebenza.

Ukwakhiwa kwee-cartridge seal kubandakanya amacandelo amaninzi abalulekileyo: ubuso obujikelezayo, obujikelezayo kunye ne-pump shaft; ubuso obumileyo, apho ubuso obujikelezayo bushelela; imithombo okanye imivumbo esebenza ngamandla e-axial ukugcina ukudibana kobuso; kunye nezinto zesibini zokutywina ezithintela ukuvuza ecaleni kwe-shaft kunye nepleyiti yedlala. Iimathiriyeli zala macandelo ziyahluka ngokuxhomekeke kwiimeko zenkonzo kodwa ngokuqhelekileyo ziquka i-silicon carbide, i-tungsten carbide, i-ceramics, kunye nee-elastomers ezahlukeneyo.

Izitywini zoomatshini beCartridge zibonelela ngezibonelelo zokusebenza ezinjengozinzo oluphuculweyo lobushushu kunye nokuphucula amandla okuthintela ukuvuza. Uyilo lwabo olomeleleyo lunciphisa umngcipheko womonakalo ngexesha lokuphatha okanye ukufakela-umcimbi oqhelekileyo kunye nezitywina zecandelo elibuthathaka. Ukongezelela, ekubeni zidityanisiwe kwifektri kwaye uxinzelelo luvavanyiwe, ukubakho kokudibanisa okungalunganga kuyancipha kakhulu.

Bellow Seals
Iitywina eziBellow luhlobo olwahlukileyo lotywino lomatshini olusetyenziswa ikakhulu kwiimpompo zamanzi. Uyilo lwabo lusebenzisa into eguquguqukayo yohlobo lwe-accordion ukuze kusebenze ubuso betywina, ibenze babe nobuchule bokwamkela ukungahambi kakuhle kwe-shaft kunye nokuphuma, kunye nokuhamba kwe-axial ye-shaft. Oku bhetyebhetye kubalulekile ekugcineni itywina eliqinileyo phantsi kweemeko zokusebenza ezahlukeneyo.

Ukusebenza kwe-bellow seals akuxhomekeke kwimithombo yokulayisha okuyimfuneko ukugcina ubuso bokutywina kunye; endaweni yoko, basebenzisa ukunwebeka kwesixhobo esisezantsi ngokwaso. Olu phawu luphelisa amanqaku amaninzi angaphumeleliyo kwaye lube negalelo kubomi obude kunye nokuthembeka. Izitywina eziBellow zinokwenziwa ngezinto ezininzi, kubandakanya isinyithi kunye nee-elastomers ezahlukeneyo, nganye ikhethwe ngokusekwe kwiimfuno ezithile zesicelo kubandakanya ukumelana nobushushu, ukuhambelana kweekhemikhali, kunye nomthamo wokuphatha uxinzelelo.

Kukho iintlobo ezimbini eziphambili zentsimbi yentsimbi: intsimbi yentsimbi kunye ne-elastomer bellows. Izitywina zentsimbi zikhethwa kubushushu obuphezulu okanye xa ujongana neekhemikhali ezinobundlobongela ezinokuthoba imathiriyeli ethambileyo. Izitywina ze-Elastomer bellow zidla ngokusetyenziswa kwiindawo ezingqongileyo ezingaphantsi kobunzima kodwa zibonelela ngokuguquguquka okugqwesileyo kwaye zingabizi kakhulu kuluhlu olubanzi lwezicelo.

Enye inzuzo ephawulekayo yokusebenzisa i-bellow seals kukukwazi kwabo ukuphatha inani elikhulu le-axial shaft movement ngaphandle kokulahlekelwa ukusebenza. Oku kubenza babe luncedo ngakumbi kwizicelo apho ukukhula kwe-thermal ye-pump shaft kulindelwe okanye apho ulungelelwaniso lwezixhobo alukwazi ukulawulwa ngokuchanekileyo.

Ngaphaya koko, ekubeni izitywina ezibellow zinokuyilwa ukuba zisebenze ngaphandle kokusebenzisa izixhobo ezincedisayo (zokupholisa okanye zokuthambisa), zixhasa uyilo lwempompo oluthe ngqo ngakumbi nolunoqoqosho ngokunciphisa iimfuno zenxalenye yeperipheral.

Ekuphononongeni ukukhethwa kwezinto zala matywina, ukuhambelana ne-pumped medium kubalulekile. Iintsimbi ezifana ne-Hastelloy, i-Inconel, i-Monel, kunye neentsimbi ezahlukeneyo ezingenasici zikhetho eziqhelekileyo kwiindawo ezinomngeni. Kwimibhobho ye-elastomer, imathiriyeli enje ngerabha ye-nitrile (NBR), i-ethylene propylene diene monomer (EPDM), iirubhi ze-silicone (VMQ), kunye ne-fluoroelastomers ezifana neViton zikhethwa ngokusekelwe ekomeleleni kwazo ngokuchasene neziphumo zolwelo olwahlukeneyo okanye ukubola.

Amatywina oMlebe
Iimpawu zomlomo luhlobo oluthile lokutywinwa komatshini osetyenziswa kwiimpompo zamanzi, ezilungiselelwe ngokukodwa kwizicelo zoxinzelelo oluphantsi. Ephawulwa ngokulula kunye nokusebenza kakuhle, izitywina zomlomo ziquka i-casing yentsimbi ebambe umlebe oguquguqukayo ngokuchasene ne-shaft ejikelezayo. Lo mlebe wenza ujongano lokutywina oluguquguqukayo oluthintela amanzi okanye olunye ulwelo ekuvuzeni ngelixa uvumela i-shaft ukuba ijikeleze ngokukhululekileyo. Uyilo lwazo luhlala luthe ngqo, lubenza lube lukhetho lwezoqoqosho kwizicelo ezininzi.

Ukusebenza kweempawu zomlomo kwiimpompo zamanzi kuxhomekeke kwimeko ye-shaft surface kunye nokukhethwa ngokufanelekileyo kwezinto zokutywina ngokusekelwe kwindawo yokusebenza. Izinto eziqhelekileyo ezisetyenziselwa umlebe ziquka irabha ye-nitrile, i-polyurethane, i-silicone, kunye ne-fluoropolymer elastomers, nganye inika iingenelo ezihlukeneyo malunga nokumelana nobushushu, ukuhambelana kweekhemikhali, kunye nokumelana nokunxiba.

Ukukhetha isitywina esifanelekileyo somlomo wempompo yamanzi kubandakanya ukuqwalasela izinto ezifana nohlobo lolwelo, uluhlu loxinzelelo, ubushushu obugqithisileyo, kunye nesantya seshaft. Ukukhethwa kwezinto ezingafanelekanga okanye ukufakela okungafanelekanga kunokukhokelela ekungaphumelelini kwangaphambili kwesitywina. Ke ngoko, kubalulekile ukuthobela izikhokelo zomenzi kunye nezenzo ezilungileyo ngexesha lenkqubo yokukhetha kunye nofakelo.

Ngaphandle kwemida yabo kwiimeko zoxinzelelo oluphezulu xa kuthelekiswa nezinye iintlobo zokutywinwa ngoomatshini ezifana ne-balanced okanye i-cartridge seals, izitywina zomlomo zigcina ukusetyenziswa okubanzi ngenxa yeendleko zazo kunye nokulula kokugcinwa. Zithandwa kakhulu kwiinkqubo zamanzi zokuhlala, iimpompo zokupholisa iimoto, kunye nezicelo ezilula zamashishini apho uxinzelelo luhlala luphakathi.

Uyilo lweMpampu yaManzi yeSitywina yeMechanical
Ubugocigoci bokuyila isitywina esisebenzayo soomatshini bubandakanya iingqwalasela ezininzi ezibalulekileyo, kubandakanya ukukhethwa kwezinto ezifanelekileyo, ukuqonda iimeko zokusebenza, kunye nokuphucula ijometri yobuso betywina.

Kwisiseko salo, i-mechanical pump mechanical seal iqulethe izinto ezimbini eziphambili ezibalulekileyo kumsebenzi wayo: indawo emileyo eqhotyoshelwe kwi-casing yempompo kunye nenxalenye ejikelezayo edityaniswe kwi-shaft. La malungu adibana ngokuthe ngqo kubuso bawo bokutywinwa, obukhazimlisiweyo ukuze bafezekise amanqanaba aphezulu okugudiswa, ukunciphisa ukungqubana kunye nokunxiba ngokuhamba kwexesha.

Enye yezona zinto zibalulekileyo zokuqwalaselwa koyilo kukukhetha izixhobo ezinokumelana noxinzelelo lokusebenza ezahlukeneyo ezifana nokuguquguquka kweqondo lobushushu, ukuvezwa kweekhemikhali, kunye nokuqhawuka. Izinto eziqhelekileyo ziquka i-silicon carbide, i-tungsten carbide, i-ceramic, insimbi engenasici, kunye ne-carbon graphite. Isixhobo ngasinye sibonelela ngeepropati ezizodwa ezilungiselela iindawo ezahlukeneyo zokutywina kunye nokusetyenziswa.

Omnye umba osembindini woyilo lomatshini wokutywina kukulinganisa uxinzelelo lwehydraulic kubuso betywina. Olu lungelelwano lunciphisa ukuvuza kwaye lunciphisa ukunxiba kobuso. Iinjineli zisebenzisa iindlela eziphambili zokubala kunye neeprothokholi zokuvavanya ukuqikelela ukuba uyilo luya kusebenza njani phantsi kweemeko zokusebenza zehlabathi lokwenyani. Ngeenkqubo zoyilo oluphinda-phindayo olubandakanya ukulinganisa izinto ezilinganiselweyo (FEA), abavelisi banokucokisa iijometri zokutywina ukuze zisebenze ngokugqibeleleyo.

Ijiyometri yobuso betywina ngokwayo idlala indima ebalulekileyo ekugcineni ubukhulu befilimu phakathi kobuso phantsi koxinzelelo kunye nezantya ezahlukeneyo. Iitopografi zobuso ezinobunjineli ngokufanelekileyo zinceda ukusasaza ulwelo ngokulinganayo kuwo wonke umhlaba, ukuphucula ukuthambisa kunye nokupholisa ngelixa ngaxeshanye unciphisa ukunxiba.

Ukongeza kwezi zinto, ingqalelo ijoliswe ekuphunyezweni kweempawu ezithatha i-axial okanye i-radial movement ebangelwa ukwanda kwe-thermal okanye ukungcangcazela. Uyilo olunjalo luqinisekisa ukuba uqhagamshelwano lugcinwa phakathi kweendawo zokutywina ngaphandle koxinzelelo olugqithisileyo olunokukhokelela ekungaphumeleli kwangaphambi kwexesha.

Material of Water Pump Mechanical Seal
Itywina kwiiPropati zeMathiriyeli yobuso
I-Silicon Carbide Ubunzima obukhethekileyo, ukuqhutyelwa kwe-thermal, ukuxhathisa imichiza
I-Tungsten Carbide Ukuqina okugqwesileyo, ukuxhathisa (ngokuqhelekileyo i-brittle ngaphezu kwe-silicon carbide)
I-Ceramic High corrosion resistance, ilungele iindawo ezinobundlongo bekhemikhali
I-graphite Iipropati zokuzithambisa, ezisetyenziselwa apho kunzima ukuthambisa
Izinto zokutywina zeSekondari zeZinto
I-O-rings/Gaskets Nitrile (NBR), Viton (FKM), Ethylene Propylene Diene Monomer (EPDM), Perfluoroelastomers (FFKM)
Izixhobo zeMetallurgical Components
I-Springs / Metal Bellows Insimbi engenasici (umzekelo, i-304, i-316) yokumelana nokubola; iialloyi zangaphandle njengeHastelloy okanye iAlloy 20 kwindawo ezonakalisa kakhulu
Ukukhetha iSitywina seMechanical yePump yaManzi eLungileyo
Xa ukhetha isitywina esifanelekileyo somatshini wempompo yamanzi, kukho izinto ezininzi ezibalulekileyo ekufuneka uzikhumbule. Ukhetho olusebenzayo luxhomekeke ekuqondeni iimfuno ezahlukeneyo zesicelo kunye nokuvavanya izinto ezahlukeneyo ezinefuthe ekusebenzeni kwetywina. Ezi ziquka ubume bolwelo olumpontshwayo, iimeko zokusebenza, ukuhambelana kwezinto, kunye neempawu zoyilo oluthile lwesitywina.

Iimpawu zolwelo zidlala indima ebalulekileyo; Iikhemikhali ezinobundlobongela zifuna amatywina enziwe ngezinto ezikwaziyo ukumelana nomhlwa okanye uhlaselo lwekhemikhali. Ngokufanayo, ulwelo olurhabaxa lufuna ubuso obunobuso obuqinileyo ukuze kuthintelwe ukunxitywa kwangaphambi kwexesha. Iimeko zokusebenza ezifana noxinzelelo, ubushushu, kunye nesantya zilawula ukuba itywina elilinganayo okanye elingalinganiyo lifanelekile, kwaye ukuba uhlobo lwe-pusher okanye olungelulo lunokuthenjwa ngakumbi.

Ukuhambelana kwemathiriyeli yetywina kubalulekile ekuqinisekiseni ubomi benkonzo ende kunye nokusebenza kakuhle. I-silicon carbide, i-tungsten carbide, kunye ne-ceramics zikhetho eziqhelekileyo zobuso betywina ngenxa yokuqina kwazo kunye nokuchasana neemeko ezinzima. Izinto zesibini zokutywinwa-ngokuqhelekileyo i-elastomers ezifana neViton okanye i-EPDM-kufuneka kwakhona ihambelane nenkqubo yolwelo lokuthintela ukuthotywa.

Ukongeza kwezi ngqwalasela, izicelo ezithile zinokuxhamla kwiitywina ezikhethekileyo ezinje ngekhatriji zokutywinwa ukuze kube lula ukuhlohla, izitywina ezibellow zosetyenziso ezinomda wentshukumo ye-axial, okanye ukutywinwa kwemilebe kwiimeko ezingabalulekanga kangako.

Ekugqibeleni, ukukhetha itywina elichanekileyo lempompo yamanzi kubandakanya uhlolo oluneenkcukacha lweemfuno ezizodwa zesicelo ngasinye. Ukubonisana nabavelisi okanye iingcaphephe kunokubonelela ngengqiqo exabisekileyo apho uhlobo lwetywina kunye nokwakheka kwemathiriyeli kulungelelaniswa kakuhle neemfuno zakho, ukuqinisekisa ukusebenza ngokufanelekileyo kunye nobude bexesha besixhobo. Ulwazi kule ndawo alugcini nje ukwandisa ukusebenza kodwa lunciphisa kakhulu umngcipheko wokungaphumeleli okungalindelekanga kunye neendleko zokugcina.

Yintoni Ebangela Ukusilela koMtshini weMpompo yaManzi?
Ufakelo olungachanekanga: Ukuba isitywina asilungelelaniswanga kakuhle okanye sihleli ngexesha lofakelo, kunokukhokelela ekunxibeni okungalinganiyo, ukuvuza, okanye ukusilela ngokupheleleyo phantsi koxinzelelo lokusebenza.
Ukhetho olungalunganga lwemathiriyeli yokutywina: Ukukhetha imathiriyeli yokutywina engalunganga kwisicelo esithile kunokubangela ukuthotywa kweekhemikhali okanye ukonakala kwe-thermal xa kutyhilwe kulwelo olunokonakala kakhulu okanye olushushu kakhulu kwizinto ezikhethiweyo.
Izinto zokusebenza: Ukuqhuba okomileyo, ukusebenzisa impompo ngaphandle kolwelo olwaneleyo, kunokubangela ubushushu obugqithisileyo obukhokelela kumonakalo wokutywinwa. I-Cavitation, eyenzeka xa i-bubbles vapor ifom kwi-liquid ngenxa yeenguqu ezikhawulezayo zoxinzelelo kwaye emva koko zidibanise ngokwazo, zinokuguqa kwaye zigubungele izitywina zoomatshini ngokuhamba kwexesha.
Ukuphathwa ngendlela engafanelekanga okanye izenzo zogcino: Ukusetyenziswa ngaphaya kwemida ekhuthazwayo njengoxinzelelo olugqithileyo, amaqondo obushushu agqithisileyo ngaphaya kwemida yoyilo, okanye isantya esijikelezayo esingaphaya koko isitywina besiyilelwe kuya kukhawuleza ukuguga. Ungcoliseko ngaphakathi kwesixokelelwano - ukusuka kwisuntswana lezinto ezifika phakathi komphezulu wokutywina - kukhawulezisa ukuwohloka kwakhona.
Ulungisa njani itywina lomatshini kwimpompo yamanzi?
Inyathelo 1: Ulungiselelo kunye noKhuseleko

Qinisekisa ukhuseleko: Phambi kokuba uqalise nawuphi na umsebenzi, nxiba izixhobo ezifanelekileyo zokhuseleko kwaye uqhawule yonke imithombo yamandla kwimpompo yamanzi ukunqanda iingozi.
Indawo yokusebenza ecocekileyo: Qinisekisa ukuba indawo yokusebenza icocekile kwaye ayinayo inkunkuma yokuthintela ukungcoliseka ngexesha lokulungiswa.
Inyathelo lesi-2: Ukuqhaqha iMpompo yaManzi

Khupha ngononophelo: Susa iibholithi okanye izikrufu ezikhusela i-casing yempompo kunye nezinye izinto, ukugcina umkhondo weendawo ezisusiweyo ukuze ziphinde zihlangane ngokulula kamva.
Ukufikelela kwisitywina soomatshini: Nje ukuba uqhawulwe, fumana kwaye ufikelele kwisitywina soomatshini ngaphakathi kwempompo.
Inyathelo lesi-3: Uhlolo noVavanyo

Jonga umonakalo: Gxininisa ngokucokisekileyo itywina lomatshini ukubona iimpawu zomonakalo ezinje ngeentanda, ukuguga okugqithisileyo, okanye ukudleka.
Qinisekisa imfuno yokutshintshwa: Ukuba isitywina sonakalisiwe, kufuneka sitshintshwe ngokutshintshwa okufanelekileyo okuhambelana neenkcukacha zempompo.
Inyathelo lesi-4: Ukufakela iSitywina esitsha soomatshini

Imiphezulu ecocekileyo: Coca yonke indawo yokunxibelelana ukususa inkunkuma okanye intsalela, uqinisekise ukunamathela ngokufanelekileyo kwesitywina esitsha.
Faka icala lasentwasahlobo: Beka ngononophelo icala lentwasahlobo yesitywina esitsha kumkhono we-shaft, uqinisekise ukuba uhleli kakuhle ngaphandle kwamandla agqithisileyo.
Faka i-lubricant: Ukuba kuyimfuneko, sebenzisa isithambiso esincinci ukwenza lula ukufakela.
Inyathelo 5: Ukulungelelanisa kunye nokuFakwa

Lungelelanisa indawo emileyo: Lungelelanisa kwaye ucinezele ulungelelanise indawo emileyo yesitywina kwisitulo sayo ngaphakathi kwekhayingi yempompo okanye ipleyiti yedlala, uqinisekise ulungelelwaniso olululo ukuthintela ukuvuza okanye ukusilela kwangaphambi kwexesha.
Inyathelo lesi-6: Ukudibanisa kwakhona

Reverse disassembly: Phinda udibanise zonke iinxalenye ngokulandelelana kwe-disassembly, uqinisekise ukuba icandelo ngalinye likhuselekile kwiisetingi zetorque ezichaziweyo ukukhusela iindawo ezikhululekileyo ngexesha lokusebenza.
Inyathelo lesi-7: Iitshekhi zokugqibela

Jikelezisa i-shaft ngesandla: Phambi kokudibanisa kwakhona amandla, jikelisa ngesandla i-shaft yempompo ukuqinisekisa ukuba akukho zithintelo kwaye zonke iinxalenye zihamba ngokukhululekileyo njengoko kulindelekile.
Khangela ukuvuza: Emva kokudibanisa kwakhona, khangela ukuba kukho nakuphi na ukuvuza okujikeleze indawo yesitywina ukuqinisekisa ukufakela ngokufanelekileyo.

Ingaba iPump Mechanical Seals ihlala ixesha elingakanani?
Ubomi beempompo zetywina zoomatshini ngumba obalulekileyo wogcino kunye nokusebenza kakuhle kwizicelo ezahlukeneyo zemizi-mveliso. Ngokuqhelekileyo, phantsi kweemeko ezifanelekileyo, isitywina somatshini esigcinwe kakuhle sinokuhlala naphi na ukusuka kwi-1 ukuya kwi-3 iminyaka ngaphambi kokufuna ukutshintshwa okanye ukulungiswa. Nangona kunjalo, kubalulekile ukuqaphela ukuba ubomi benkonzo ngokwenene bunokwahluka kakhulu ngokusekelwe kwizinto ezininzi.

Izinto eziphambili eziphembelela ukuqina kweempompo zetywina zoomatshini ziquka usetyenziso oluthile lwemizi-mveliso, iimeko zokusebenza ezifana nobushushu kunye noxinzelelo, uhlobo lolwelo olumpontshwayo, kunye nobukho bezinto ezirhabaxa okanye ezibolayo ngaphakathi kolwelo. Ukongezelela, ukubunjwa kwezinto eziphathekayo kwesitywina kunye noyilo lwayo (ibhalansi vs. engalinganiyo, i-cartridge vs. Bellow, njl.) idlala indima ebalulekileyo ekunqumeni ixesha elide.

Ukugcinwa kwesiqhelo kunye nofakelo olululo nako kubaluleke kakhulu ekwandiseni iminyaka elindelekileyo yokuphila kwala matywina. Ukuqinisekisa ukuba ubuso betywina buhlala bucocekile kwaye bungaguquki, ukujonga iimpawu zokuguga nokukrazuka, kunye nokubambelela kwimigaqo yomenzi wendlela yokusebenza kunokwandisa kakhulu ixesha lokusebenza elisebenzayo.

Bunokwandiswa Njani Ubomi Bomtshini Wetywina?
Ukwandisa ixesha lokuphila kotywino lomatshini kwiimpompo zamanzi kubandakanya ukugcinwa okucokisekileyo, ukufakwa ngokufanelekileyo, kunye nokusebenza ngaphakathi kweeparamitha ezichaziweyo.

Ukukhethwa ngokufanelekileyo ngokusekelwe kwiimfuno zesicelo kuqinisekisa ukuhambelana neemeko zokusebenza. Ukuhlolwa rhoqo kunye nokugcinwa kunciphisa ukuguga kunye nokuthintela ukusilela ngaphambi kokuba kube nzima. Ukuqinisekisa ulwelo olucocekileyo kubalulekile njengoko ungcoliseko lunokukhawulezisa ukuguga. Ukufakela izilawuli zokusingqongileyo, ezifana nezicwangciso zokugungxulwa kwetywina, ukulawula ngokufanelekileyo ubushushu kunye nokususa amasuntswana anokulimaza ubuso betywina.

Ukulinganisa iiparamitha zokusebenza ukuphepha uxinzelelo olugqithisileyo okanye amaqondo obushushu angaphezu kwemilinganiselo yesitywina kubalulekile kubomi obude. Ukusebenzisa iinkqubo zokuthambisa kunye nokupholisa xa kuyimfuneko kunceda ukugcina iimeko ezifanelekileyo zokusebenza kwetywina. Ukuphepha iimeko zokubaleka ezomileyo kugcina ingqibelelo yetywina ngokuhamba kwexesha.

Abaqhubi boqeqesho kwiindlela ezilungileyo zokuqalisa kunye neenkqubo zokuvala zithintela uxinzelelo olungeyomfuneko kwiitywina zoomatshini. Ukubambelela kwiishedyuli zokulondolozwa kwamaxesha athile ukuze kuhlolwe amacandelo afana ne-springs, i-bellows, kunye neekhola zokutshixa iimpawu zokuguga okanye umonakalo kudlala indima ebalulekileyo ekwandiseni ubomi benkonzo.

Ngokugxininisa ekukhethweni okufanelekileyo, ukuchaneka kofakelo, amanyathelo okukhusela ekungeneni kokungcola, kunye nokuthotyelwa kwemigaqo yokusebenza, ixesha lokuphila leempompo ze-mechanical mechanical seals lingaphuculwa kakhulu. Le ndlela ayigcini kuphela ukuthembeka kweenkqubo zempompo kodwa iphinda ikhulise ukusebenza kakuhle ngokubanzi ngokunciphisa ixesha lokunciphisa kunye neendleko zokugcina.

Ukuququmbela
Isishwankathelo, isitywina somatshini wempompo yamanzi yinxalenye ebalulekileyo eyenzelwe ukuthintela ukuvuza kunye nokuqinisekisa ukusebenza ngokufanelekileyo kweempompo ze-centrifugal ngokugcina umqobo phakathi kokupompa kwamanzi kunye nokusingqongileyo kwangaphandle.