Yintoni iTywina leMpompo yamanzi

Itywina lomatshini lempompo yamanzi licandelo elibalulekileyo eliyilelwe ukuthintela ukuvuza kolwelo oluphuma kwimpompo, ukuqinisekisa ukusebenza kakuhle kunye nobude bexesha. Ngokusebenzisa indibaniselwano yezinto ezigcina unxibelelwano oluqinileyo ngelixa ishukuma, isebenza njengomqobo phakathi kweendlela zangaphakathi zempompo kunye nokusingqongileyo kwangaphandle. Olu tywina ludlala indima ebalulekileyo ekugcineni ukuthembeka kweenkqubo zokumpompa amanzi kuzo zonke iinkqubo ezahlukeneyo, ukusuka kwizixhobo zasekhaya ukuya koomatshini bemizi-mveliso.

Yintoni AmanziItywina loomatshini bokumpompa?
Itywina lomatshini lempompo yamanzi lisebenza njengecandelo elibalulekileyo kwiintlobo ngeentlobo zeempompo, lidlala indima ebalulekileyo ekuthinteleni ukuvuza kolwelo. Eli tywina libekwe phakathi komngxuma ojikelezayo kunye neendawo ezimileyo zempompo, ligcina umqobo wokuthintela ulwelo ukuba luphonswe kwimo engqongileyo okanye lungene kwimpompo ngokwayo. Ngenxa yokubaluleka kwazo ekuqinisekiseni ukusebenza kakuhle, okungenakuvuza, ukuqonda ulwakhiwo kunye nomsebenzi wezi tywina kubalulekile kuye nabani na obandakanyekayo ekugcinweni, kuyilo, okanye ekukhetheni iimpompo.

Ukwakhiwa kwetywina lomatshini wepompo yamanzi kubandakanya ezimbini eziphambiliubuso bokuvala: enye incamathele kwi-shaft ejikelezayo kwaye enye inamathele kwinxalenye emileyo yepompo. Ezi buso zicociwe ngokuchanekileyo kwaye zipolishwe ukuqinisekisa ukuvuza okuncinci kwaye zicinezelwa kunye ngamandla athile yimithombo okanye ezinye iindlela. Ukukhethwa kwezinto zobuso bokuvala kubalulekile kuba kufuneka kuhambelane neemeko ezahlukeneyo zokusebenza, kubandakanya ubushushu, uxinzelelo, ukuhambelana kweekhemikhali nolwelo olupompelwayo, kunye namasuntswana arhabaxa anokubakho kulwelo.

Enye into ekhangayo kwiimpompo zamanzi ezitywinwayo phezu kwamadlala okupakisha emveli kukukwazi kwazo ukuphatha uxinzelelo oluphezulu kunye nokusebenza kwazo ekuqulatheni ulwelo oluyingozi okanye oluxabisekileyo olunempembelelo encinci kwindalo esingqongileyo. Uyilo lwazo lunciphisa ilahleko zokungqubana eziguqulela ekusebenziseni amandla ngcono kwaye zinciphise iindleko zokusebenza ngokuhamba kwexesha.

Isebenza Njani Itywina Lomatshini Lompompo Wamanzi?
Umgaqo osebenzayo emva kwesitywino soomatshini ulula kodwa usebenza kakhulu. Xa ipompo isebenza, inxalenye ejikelezayo yesitywino ijika kunye nomngxuma ngelixa inxalenye engashukumiyo ihlala iqinile. Phakathi kwezi zinto zimbini kukho ifilimu encinci kakhulu yolwelo oluvela kwipompo ngokwayo. Le filimu ayigcini nje ngokuthambisa ubuso besitywino kodwa ikwasebenza njengomqobo othintela ukuvuza.

Ukusebenza kakuhle kwale ndlela yokutywina kuxhomekeke kakhulu ekugcineni ulungelelwano olufanelekileyo phakathi kokugcina unxibelelwano olusondeleyo (ukuthintela ukuvuza) kunye nokunciphisa ukungqubana (ukunciphisa ukuguguleka). Ukuze kufezekiswe olu lungelelwano, izitywino zoomatshini zenziwe ngeendawo ezikhazimlisiweyo nezithe tyaba ezivumela ukuba zityibilike kakuhle, zinciphise ukuvuza ngelixa zinciphisa ukuguguleka.

Izitywino zoomatshini zisebenzisa iindlela zentwasahlobo ukugcina uxinzelelo oluqhubekayo phakathi kobuso besitywino, zilungisa ukuguguleka okanye naluphi na ukungalingani phakathi kweshaft kunye nendlu yepompo. Oku kulungelelaniswa kuqinisekisa ukuba nangona emva kokusetyenziswa kakhulu, isitywino soomatshini sinokuqhubeka nokusebenza ngokufanelekileyo, sithintele ukuvuza kolwelo ngokufanelekileyo kulo lonke ixesha lokusebenza kwaso.

Iingenelo zeMpompo yamanzi iTywina loomatshini
Ukutywina Okusebenzayo Kakhulu: Ukutywina oomatshini kubonelela ngokutywina okugqwesileyo xa kuthelekiswa neendlela zendabuko ezifana nokupakisha amadlala, okunciphisa kakhulu umngcipheko wokuvuza kunye nokukhuthaza ukhuseleko lokusingqongileyo.
Ukugcinwa Okuncitshisiweyo kunye neendleko: Izitywino zoomatshini zihlala ixesha elide kwaye azifuni ukulungiswa rhoqo okanye ukutshintshwa, nto leyo ekhokelela ekunciphiseni ixesha lokungasebenzi kunye nokonga ukusebenza kwexesha elide.
Ukugcinwa kwamandla: Uyilo lwezitywino zoomatshini lunciphisa ukungqubana, nto leyo ebangela ukusetyenziswa kwamandla okuphantsi kwenkqubo yokumpompa kunye nokonga imali eninzi ngokuhamba kwexesha.
Ukuguquguquka: Izitywino zoomatshini zinokuphatha iintlobo ngeentlobo zolwelo, amaqondo obushushu, uxinzelelo, kunye neekhemikhali, nto leyo ezenza zilungele ukusetyenziswa ngeendlela ezahlukeneyo kumashishini.
UkuNcitshiswa Kokuguguleka Kweenxalenye Zempompo: Ukuvalwa okufanelekileyo kunciphisa ukuvuza kwangaphakathi, kukhusela imingxunya yempompo kunye neebheringi ekonakaleni kwaye kwandisa ubomi bezinto ezibalulekileyo.
Uphuhliso lweTekhnoloji: Uphuhliso lwetekhnoloji yezinto luye lwakhokelela ekuvelisweni kweempawu zoomatshini ezinokuthenjwa ngakumbi ezinokusebenza phantsi kweemeko ezinzima ngaphandle kokusilela. Izinto ezifana ne-silicon carbide, i-tungsten carbide, kunye neeseramikhi zinika ukumelana okuphuculweyo nobushushu, ukuguguleka, kunye nokugqwala.
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Iintlobo zeZitywino zoMatshini zeeMpompo zamanzi
Iintlobo zeNkcazelo yeZitywino zoMatshini
Ukulinganisela vs.Izitywina ezingalinganiyoIzitywini ezilinganisiweyo zisingatha uxinzelelo oluphezulu ngomthwalo omncinci we-hydraulic ebusweni besitywini, nto leyo eqinisekisa ubomi obude. Izitywini ezingalinganiyo zilula, zilungele ukusetyenziswa koxinzelelo oluphantsi.
Izitywini zokutyhala kunye nezingezizo zokutyhala Izitywini zokutyhala zisebenzisa izinto zesibini ukugcina unxibelelwano kwiingcinezelo ezahlukeneyo, zilungelelana kakuhle kodwa zinokonakala lula. Izitywini ezingatyhaliyo zixhomekeke kwi-elastomeric bellows ukuze zihlale ixesha elide kwaye zincinci iindawo ezishukumayo.
Izitywini zeCartridge Zihlanganiswe kwangaphambili ukuze kube lula ukuzifakela, zilungele ukulungelelaniswa ngokuchanekileyo, zinciphise iimpazamo kwaye zigcine ixesha. Zaziwa ngokuthembeka nokulula.
Izitywini zeBellow Sebenzisa i-bellows zesinyithi okanye ze-elastomeric endaweni yezipringi, ukwamkela ukungalungelelani kakuhle nokuphatha ulwelo olubolayo kakuhle.
Izivalo zemilebe zibiza kancinci kwaye zilula, zingena ngqo kwi-shaft ene-interference fit, zisebenza kwiimeko eziqhelekileyo kodwa azifanelekanga ukusetyenziswa kolwelo olunoxinzelelo oluphezulu okanye olurhabaxa.
Izitywina ezilinganiselayo vs. ezingalinganisekanga
IiSeal zeMechanical ezingalinganiyo zinengxaki yoxinzelelo oluphezulu olusebenza ebusweni beseal, nto leyo enokubangela ukuguguleka okukhulu. Uyilo olulula luzenza zilungele ukusetyenziswa koxinzelelo oluphantsi, ngokuqhelekileyo zingadluli kwi-12-15 bar. Ukwakhiwa kwazo okulula kuthetha ukuba zihlala zingabizi kakhulu kodwa zisenokungafaneleki kwiinkqubo zoxinzelelo oluphezulu ngenxa yokuthambekela kwazo kokuvuza phantsi koxinzelelo oluphezulu.

Izitywino zoomatshini ezilinganiselayoZenzelwe ukusingatha uxinzelelo oluphezulu kakhulu ngokufanelekileyo, ezisetyenziswa rhoqo kwizicelo ezidlula iibha ezingama-20. Oku kufezekiswa ngokuguqula ijiyometri yesitywina ukuze ilinganise uxinzelelo lolwelo olusebenza ebusweni besitywina, ngaloo ndlela kunciphisa amandla e-axial kunye nobushushu obuveliswa kwindawo yokujonga. Ngenxa yolu lungelelwaniso luphuculweyo, ezi zitywina zibonelela ngobomi obude kunye nokuthembeka kwiindawo ezinoxinzelelo oluphezulu kodwa zihlala zinzima kwaye zibiza kakhulu kunezinye ezingalinganiyo.

Izitywino zokutyhala kunye nezingezizo zokutyhala
Eyona nto iphambili eyahlula ezi ntlobo zimbini zezitywini yindlela ezisebenza ngayo ukuze zikwazi ukumelana notshintsho ekugugeni kobuso okanye utshintsho olubangelwa kukutshintshatshintsha kobushushu kunye notshintsho loxinzelelo.

IiPusher Seals zisebenzisa into yokutywina yesibini enamandla, efana ne-O-ring okanye i-wedge, ehamba nge-axial ecaleni kweshaft okanye kwisleeve ukuze ihlale inxibelelana nobuso be-seal. Le ntshukumo iqinisekisa ukuba ubuso be-seal buhlala buvaliwe kwaye bulungelelaniswe kakuhle, ngaloo ndlela buhlawulela ukuguguleka kunye nokwanda kobushushu. IiPusher seals zaziwa ngokuzivumelanisa nezimo kwiimeko ezahlukeneyo zokusebenza, nto leyo eyenza ukuba zibe lukhetho olusebenzayo kwiintlobo ngeentlobo zezicelo.

Izitywino Ezingashukumisiyosebenzisa into yokutywina engashukumiyo—ngokuqhelekileyo i-bellows (nokuba yintsimbi okanye i-elastomer)—egobekayo ukuze ilungelelanise utshintsho kubude phakathi kobuso besitywino ngaphandle kokuhamba nge-axial ecaleni kwento abayitywinayo. Olu yilo lususa imfuneko yento yokutywina yesibini enamandla, kunciphisa amathuba okuxhonywa okanye ukunamathela okubangelwa kukungcola okanye ukuchithwa kwezinto ezityibilikayo. Izitywino ezingashukumiyo ziluncedo kakhulu ekuphatheni iikhemikhali eziqatha, amaqondo obushushu aphezulu, okanye apho kufuneka ulondolozo oluncinci.

Ukukhetha phakathi kwezitywini zokutyhala kunye nezingezizo ezityhala rhoqo kuxhomekeke kwiimfuno ezithile zokusebenza ezifana nohlobo lolwelo, ubushushu, amanqanaba oxinzelelo, kunye neenkxalabo zokusingqongileyo ezifana nokuhambelana kweekhemikhali kunye nococeko. Uhlobo ngalunye luneengenelo zalo ezikhethekileyo: izitywini zokutyhala zibonelela ngokuguquguquka kwiimeko ezahlukeneyo ngelixa izitywini ezingatyhala zibonelela ngokuthembeka kwiimeko ezinzima ngaphandle kokugcinwa kakhulu.

IiSeal zeCartridge
Izitywini zekhatriji zimele inkqubela phambili ebalulekileyo kwicandelo lezitywini zoomatshini zeempompo zamanzi. Ezi zitywini zahlulwe ngoyilo lwazo olupheleleyo, olubandakanya isitywini kunye nepleyiti yegland kwiyunithi enye. Olu hlobo lokuhlanganiswa kwangaphambili lwenza lula iinkqubo zokufakela kwaye lunciphise iimpazamo zokuseta ezinokubangela ukungasebenzi kakuhle kwesitywini. Izitywini zekhatriji zenzelwe ukuba kube lula ukugcinwa nokuthembeka, nto leyo eyenza ukuba zibe lukhetho olukhethwayo kwiizicelo apho ukuchaneka nokuqina kubaluleke kakhulu.

Uphawu olucacileyo lwezitywini zekhatriji kukukwazi kwazo ukwamkela ukungalungelelani phakathi kweshafti yepompo kunye negumbi lesitywini. Ngokungafaniyo nezitywini zezixhobo zemveli ezifuna ukulungelelaniswa ngokuchanekileyo ukuze zisebenze ngokufanelekileyo, izitywini zekhatriji zixolela ukungakwazi ukulungelelanisa ngandlela ithile, ngaloo ndlela zinciphisa ukuguguleka kwaye zandise ubomi benkonzo. Olu phawu luluncedo ngakumbi kwizicelo ezibandakanya ukujikeleza ngesantya esiphezulu okanye iimeko zokusebenza ezahlukeneyo.

Ukwakhiwa kwezitywino zekhatriji kubandakanya izinto ezibalulekileyo ezininzi: ubuso obujikelezayo, obujikeleza nge-pump shaft; ubuso obungashukumiyo, apho ubuso obujikelezayo butyibilika khona; izipringi okanye ii-bellows ezisebenzisa amandla e-axial ukugcina ukudibana kobuso; kunye nezinto zokuvala zesibini ezithintela ukuvuza ecaleni kwe-shaft nakwi-gland plate. Izinto ezisetyenziswa kwezi zinto ziyahluka ngokuxhomekeke kwiimeko zenkonzo kodwa zihlala ziquka i-silicon carbide, i-tungsten carbide, ii-ceramics, kunye nee-elastomers ezahlukeneyo.

Izitywino zoomatshini zekhatriji zibonelela ngeenzuzo zokusebenza ezifana nokuzinza okuphuculweyo kobushushu kunye nokukwazi ukuthintela ukuvuza. Uyilo lwazo oluqinileyo lunciphisa umngcipheko wokonakala ngexesha lokuphathwa okanye ukufakwa—ingxaki eqhelekileyo ngezitywino zezixhobo ezibuthathaka ngakumbi. Ukongeza, ekubeni zihlanganiswe efektri kwaye zivavanyelwa uxinzelelo, amathuba okuhlanganiswa okungalunganga ancitshiswa kakhulu.

IiSilingi zeBellow
Iiseal ezingaphakathi ziluhlobo olwahlukileyo lweseal yoomatshini esetyenziswa kakhulu kwiimpompo zamanzi. Uyilo lwazo lusebenzisa into efana ne-accordion eguquguqukayo ukuze ishukumise ubuso beseal, nto leyo ebenza babe nobuchule bokusingatha ukungalungelelani kweshaft kunye nokuphuma kwayo, kunye nokuhamba kwe-axial yeshaft. Olu kuguquguquka lubalulekile ekugcineni iseal eqinileyo phantsi kweemeko ezahlukeneyo zokusebenza.

Ukusebenza kwezitywini ezingaphakathi akuxhomekanga kwizipilingi ukuze kulayishwe izinto ezifunekayo ukuze kugcinwe ubuso bokuvala buhlangene; endaweni yoko, zisebenzisa ukuthamba kwezinto ezingaphakathi. Olu phawu lususa amanqaku amaninzi anokusilela kwaye lunegalelo ebudeni nasekuthembekeni kwazo. Izitywini ezingaphakathi zinokwenziwa ngezinto ezahlukeneyo, kuquka isinyithi kunye nee-elastomers ezahlukeneyo, nganye ikhethwa ngokusekelwe kwiimfuno ezithile zokusetyenziswa kubandakanya ukumelana nobushushu, ukuhambelana kweekhemikhali, kunye namandla okuphatha uxinzelelo.

Kukho iintlobo ezimbini eziphambili zezitywini ezingaphakathi: izitywini zesinyithi kunye nezitywini ze-elastomer. Izitywini zesinyithi ezingaphakathi zikhethwa kakhulu kwiindawo ezisetyenziswa kubushushu obuphezulu okanye xa kusetyenzwa ngeekhemikhali ezirhabaxa ezinokonakalisa izinto ezithambileyo. Izitywini ze-elastomer ezingaphakathi zihlala zisetyenziswa kwiindawo ezingenzima kangako kodwa zibonelela ngokuguquguquka okuhle kwaye zingabizi kakhulu kwiintlobo ngeentlobo zezicelo.

Enye inzuzo ephawulekayo yokusebenzisa izitywina ezisezantsi kukukwazi kwazo ukuphatha inani elikhulu lentshukumo ye-axial shaft ngaphandle kokulahlekelwa kukusebenza kakuhle. Oku kuzenza zibe luncedo ngakumbi kwiindawo apho ukukhula kobushushu be-pump shaft kulindeleke okanye apho ukulungelelaniswa kwezixhobo kungenakulawulwa ngokuchanekileyo.

Ngaphezu koko, ekubeni izitywino ezingaphantsi zinokuyilwa ukuba zisebenze ngaphandle kokusebenzisa iinkqubo ezincedisayo (zokupholisa okanye ukuthambisa), zixhasa uyilo lwepompo olulula nolungabizi kakhulu ngokunciphisa iimfuno zecandelo elingaphandle.

Ekuphononongeni ukhetho lwezinto ezisetyenziswa kwezi zitywini, ukuhambelana nesixhobo esipompelweyo kubalulekile. Iintsimbi ezifana neHastelloy, Inconel, Monel, kunye neentsimbi ezahlukeneyo ezingenasici zizinto eziqhelekileyo kwiindawo ezinzima. Kwi-elastomer bellows, izinto ezifana nerabha ye-nitrile (NBR), i-ethylene propylene diene monomer (EPDM), ii-silicone rubber (VMQ), kunye nee-fluoroelastomers ezifana neViton zikhethwa ngokusekelwe kukumelana kwazo nemiphumo eyahlukeneyo yolwelo enokubola okanye ukukhuhla.

Izitywino zemilebe
Ii-lip seals luhlobo oluthile lwe-mechanical seal esetyenziswa kwiimpompo zamanzi, ezenzelwe ukusetyenziswa ngoxinzelelo oluphantsi. Zibonakaliswa bubulula bazo kunye nokusebenza kakuhle, ii-lip seals zine-casing yesinyithi ebamba i-lip eguquguqukayo kwi-shaft ejikelezayo. Le lip idala i-dynamic sealing interface ethintela amanzi okanye ezinye izinto ukuba zingavuzi ngelixa ivumela i-shaft ukuba ijikeleze ngokukhululekileyo. Uyilo lwazo luhlala luthe ngqo, nto leyo eyenza ukuba zibe lukhetho olungabizi kakhulu kwiizicelo ezininzi.

Ukusebenza kakuhle kwezitywini zemilebe kwiimpompo zamanzi kuxhomekeke kwimeko yomphezulu weshaft kunye nokukhethwa ngokufanelekileyo kwezinto zokutywina ngokusekelwe kwindawo yokusebenza. Izinto ezisetyenziswa rhoqo kwimilebe ziquka irabha ye-nitrile, i-polyurethane, i-silicone, kunye ne-fluoropolymer elastomers, nganye inika iingenelo ezahlukeneyo ngokubhekiselele kukumelana nobushushu, ukuhambelana kweekhemikhali, kunye nokumelana nokuguguleka.

Ukukhetha isitywini semilebe esifanelekileyo kwimpompo yamanzi kubandakanya ukuqwalasela izinto ezifana nohlobo lolwelo, uluhlu loxinzelelo, ubushushu obugqithisileyo, kunye nesantya somngxuma. Ukukhetha izinto ezingalunganga okanye ukufakwa okungafanelekanga kunokukhokelela ekungasebenzini kwangaphambi kwexesha kwesitywini. Ke ngoko, kubalulekile ukunamathela kwizikhokelo zomenzi kunye neendlela ezilungileyo ngexesha lokukhetha kunye nokufakela.

Nangona zinqongophele kwiimeko zoxinzelelo oluphezulu xa kuthelekiswa nezinye iintlobo zesitywina zoomatshini ezifana nezitywina ezilinganisiweyo okanye iikhatriji, izitywina zemilebe zihlala zisetyenziswa kakhulu ngenxa yokuba zisebenza kakuhle kwaye kulula ukuzigcina zisemgangathweni. Zithandwa kakhulu kwiinkqubo zamanzi ezihlala abantu, iipompo zokupholisa iimoto, kunye nokusetyenziswa okulula kwimizi-mveliso apho uxinzelelo luhlala luphakathi.

Uyilo lweSitywino soMatshini seMpompo yamanzi
Ubunzima bokuyila isitywina esisebenzayo soomatshini bubandakanya izinto ezibalulekileyo ekufuneka ziqwalaselwe, kuquka ukukhethwa kwezinto ezifanelekileyo, ukuqonda iimeko zokusebenza, kunye nokwenza ngcono ijiyometri yobuso besitywina.

Embindini wayo, isitywino somatshini sempompo yamanzi sinezinto ezimbini ezibalulekileyo ekusebenzeni kwayo: inxalenye engashukumiyo enamathele kwisingxobo sempompo kunye nenxalenye ejikelezayo eqhagamshelwe kwi-shaft. Ezi nxalenye zidibana ngqo ebusweni bazo bokuvala, ezikhazimliswayo ukuze zifikelele kumanqanaba aphezulu okugudileyo, ukunciphisa ukungqubana kunye nokuguguleka ngokuhamba kwexesha.

Enye yezinto ezibalulekileyo ekufuneka ziqwalaselwe kuyilo kukukhetha izinto ezinokumelana noxinzelelo oluhlukeneyo lokusebenza ezifana nokuguquguquka kobushushu, ukuvezwa ziikhemikhali, kunye nokukrala. Izinto eziqhelekileyo ziquka i-silicon carbide, i-tungsten carbide, i-ceramic, intsimbi engatyiwayo, kunye ne-carbon graphite. Izinto nganye zibonelela ngeempawu ezizodwa ezilungele iimeko ezahlukeneyo zokutywina kunye nokusetyenziswa.

Enye into ebalulekileyo kuyilo lwetywina loomatshini kukulinganisela uxinzelelo lwe-hydraulic ebusweni betywina. Olu lungelelwaniso lunciphisa ukuvuza kwaye lunciphise ukuguguleka kobuso. Iinjineli zisebenzisa iindlela eziphambili zokubala kunye neenkqubo zokuvavanya ukuqikelela indlela uyilo oluya kusebenza ngayo phantsi kweemeko zokusebenza zehlabathi lokwenyani. Ngeenkqubo zoyilo eziphindaphindayo ezibandakanya uhlalutyo lwezinto ezilinganiselweyo (FEA), abavelisi banokucokisa iijometri zesitywina ukuze zisebenze kakuhle.

Ijiyometri yobuso beSeal ngokwayo idlala indima ebalulekileyo ekugcineni ubukhulu befilimu phakathi kobuso phantsi koxinzelelo kunye nesantya esahlukeneyo. Iitopografi zobuso ezicwangciswe kakuhle zinceda ukusasaza ulwelo ngokulinganayo kumphezulu, ziphucula ukuthambisa kunye nokupholisa ngelixa ngaxeshanye zinciphisa ukuguguleka.

Ukongeza kwezi zinto, ingqwalasela ijoliswe ekusebenziseni iimpawu ezivumela intshukumo ye-axial okanye ye-radial ebangelwa kukwanda kobushushu okanye ukungcangcazela. Ezi zakhiwo ziqinisekisa ukuba unxibelelwano lugcinwa phakathi kweendawo zokutywina ngaphandle koxinzelelo olugqithisileyo olunokukhokelela ekusileleni kwangethuba.

Izinto zeMpompo yamanzi iTywina loomatshini
Iimpawu zezinto zoBuso boSeal
I-Silicon Carbide Ubulukhuni obungaqhelekanga, ukuhanjiswa kobushushu, ukumelana neekhemikhali
I-Tungsten Carbide Ubulukhuni obuhle kakhulu, ukumelana nokuguguleka (ngokwenene bubuthathaka ngakumbi kune-silicon carbide)
Ukumelana nokugqwala okuphezulu kwe-ceramic, kufanelekile kwiindawo ezinoburhalarhume beekhemikhali
Iipropati zeGraphite zokuzithambisa, ezisetyenziswa apho kunzima ukuthambisa
Izinto zeSekondari zokutywina
Ii-O-rings/Gaskets Nitrile (NBR), Viton (FKM), Ethylene Propylene Diene Monomer (EPDM), Perfluoroelastomers (FFKM)
Izixhobo zeMetallurgical
IiSprings/Metal Bellows Intsimbi engenasici (umz., 304, 316) yokumelana nokugqwala; iialloy ezingaqhelekanga ezifana neHastelloy okanye iAlloy 20 yokumelana nokugqwala kakhulu
Ukukhetha iTywina loMatshini leMpompo yamanzi elifanelekileyo
Xa ukhetha isitywino somatshini esifanelekileyo sempompo yamanzi, kukho izinto ezibalulekileyo ekufuneka ziqwalaselwe. Ukukhetha okusebenzayo kuxhomekeke ekuqondeni iimfuno ezahlukeneyo zesicelo kunye nokuvavanya izinto ezahlukeneyo ezichaphazela ukusebenza kwesitywino. Ezi ziquka uhlobo lolwelo olupompelwayo, iimeko zokusebenza, ukuhambelana kwezinto, kunye neempawu ezithile zoyilo lwesitywino.

Iimpawu zolwelo zidlala indima ebalulekileyo; iikhemikhali ezirhabaxa zifuna izitywino ezenziwe ngezinto ezinganyangekiyo kukugqwala okanye ukuhlaselwa ziikhemikhali. Ngokufanayo, ulwelo olurhabaxa lufuna ubuso besitywino obuqinileyo ukuthintela ukuguguleka kwangethuba. Iimeko zokusebenza ezifana noxinzelelo, ubushushu, kunye nesantya zilawula ukuba isitywino esilinganayo okanye esingalinganiyo sifanelekile na, kwaye ukuba uhlobo lwesitywino okanye olungelulo olutyhalayo luya kuthenjwa ngakumbi na.

Ukuhambelana kwezinto zesitywino kubalulekile ukuqinisekisa ubomi obude benkonzo kunye nokusebenza kakuhle. I-silicon carbide, i-tungsten carbide, kunye neeseramikhi zizinto eziqhelekileyo ezikhethwayo kwiindawo zesitywino ngenxa yokuqina kwazo kunye nokumelana kwazo neemeko ezinzima. Izinto zesitywino zesibini—ezidla ngokuba zii-elastomers ezifana neViton okanye i-EPDM—kufuneka zihambelane nolwelo lwenkqubo ukuthintela ukuwohloka.

Ukongeza kwezi zinto ziqwalaselweyo, ezinye izicelo zingazuza kwizitywino ezikhethekileyo ezifana nezitywino zekhatriji ukuze kube lula ukuzifaka, izitywino ezingaphantsi kwezicelo ezinentshukumo encinci ye-axial, okanye izitywino zemilebe kwiimeko ezingafunekiyo.

Ekugqibeleni, ukukhetha isitywino somatshini sempompo yamanzi esifanelekileyo kubandakanya uvavanyo oluneenkcukacha lweemfuno ezizodwa zesicelo ngasinye. Ukubonisana nabavelisi okanye iingcali kunokubonelela ngengcaciso ebalulekileyo malunga nokuba loluphi uhlobo lwesitywino kunye nokwakheka kwezinto ezihambelana kakuhle neemfuno zakho, ukuqinisekisa ukusebenza kakuhle kunye nobomi obude bezixhobo. Ulwazi kule ndawo alupheleli nje ekuphuculeni ukusebenza kodwa lukwanciphisa kakhulu umngcipheko wokungaphumeleli okungalindelekanga kunye neendleko zokulungisa.

Yintoni Ebangela Ukusilela Kwesitywina SeMpompo Yamanzi?
Ufakelo olungalunganga: Ukuba isitywini asilunganga kakuhle okanye asihlali kakuhle ngexesha lofakelo, sinokukhokelela ekugugulekeni okungalinganiyo, ukuvuza, okanye ukungasebenzi ngokupheleleyo phantsi koxinzelelo lokusebenza.
Ukukhetha izinto zokutywina ngendlela engafanelekanga: Ukukhetha izinto zokutywina ngendlela engafanelekanga kwisicelo esithile kunokubangela ukuwohloka kweekhemikhali okanye umonakalo wobushushu xa kuvezwa kulwelo olunokutsha kakhulu okanye olushushu kakhulu kwizixhobo ezikhethiweyo.
Izinto ezisebenzayo: Ukusebenza okomileyo, ukusebenzisa ipompo engenalo ulwelo olwaneleyo, kunokubangela ukwakheka kobushushu obugqithisileyo okukhokelela kumonakalo wetywina. Ukuqhekeka kwemithambo, okwenzeka xa amaqamza omphunga ebumbeka kulwelo ngenxa yotshintsho olukhawulezileyo kuxinzelelo aze awe ngokwawo, kunokuguguleka kwaye kutshabalalise izitywina zoomatshini ngokuhamba kwexesha.
Iindlela zokuphatha okanye zokugcina izinto ngendlela engafanelekanga: Ukusetyenziswa ngaphaya kwemida ecetyiswayo njengokuxinana koxinzelelo, amaqondo obushushu aphezulu ngaphaya kweenkcukacha zoyilo, okanye isantya sokujikeleza esidlula oko kwakwenziwe ukuba isitywini senzelwe kona kuya kukhawulezisa ukuguguleka. Ungcoliseko ngaphakathi kwenkqubo - oluvela kwizinto ezincinci ezifika phakathi kwemiphezulu yokuvala - lukhawulezisa ukuwohloka.
Uyilungisa njani itywina loomatshini kwimpompo yamanzi?
Inyathelo 1: Ukulungiselela kunye noKhuseleko

Qinisekisa ukhuseleko: Ngaphambi kokuba uqale nawuphi na umsebenzi, nxiba izixhobo zokhuseleko ezifanelekileyo kwaye ukhuphe yonke imithombo yombane kwimpompo yamanzi ukuthintela iingozi.
Indawo yokusebenza ecocekileyo: Qinisekisa ukuba indawo yokusebenza icocekile kwaye ayinangcoliseko ukuthintela ungcoliseko ngexesha lokulungiswa.
Inyathelo lesi-2: Ukuqhaqha iMpompo yamanzi

Nqamla ngononophelo: Susa iibholithi okanye izikrufu ezikhusela isiciko sepompo kunye nezinye izinto, ugcine umkhondo weendawo ezisusiweyo ukuze kube lula ukuzihlanganisa kwakhona kamva.
Fikelela kwisitywina soomatshini: Nje ukuba siqhaqhwe, fumana kwaye ufikelele kwisitywina soomatshini esikwipompo.
Inyathelo lesi-3: Uhlolo noVavanyo

Hlola umonakalo: Hlola kakuhle isitywino somatshini ukuze ubone iimpawu zomonakalo ezifana nokuqhekeka, ukuguguleka okugqithisileyo, okanye ukugqwala.
Qinisekisa ukuba kukho imfuneko yokutshintshwa: Ukuba isitywino sonakele, kufuneka sitshintshwe ngokutshintshwa okufanelekileyo okuhambelana neenkcukacha zepompo.
Inyathelo lesi-4: Ukufaka iTywina elitsha loMatshini

Coca iindawo ezidibanayo: Coca zonke iindawo ezidibanayo ukuze ususe inkunkuma okanye intsalela, uqinisekise ukuba isitywino esitsha sinamathela ngokufanelekileyo.
Faka icala lentwasahlobo: Beka ngononophelo icala lentwasahlobo lesitywino esitsha kwisingxobo seshaft, uqinisekise ukuba lihleli kakuhle ngaphandle kokusebenzisa amandla amaninzi.
Faka i-lubricant: Ukuba kuyimfuneko, faka i-lubricant encinci ukuze kube lula ukuyifakela.
Inyathelo lesi-5: Ukulungelelanisa nokudibanisa

Lungelelanisa inxalenye engashukumiyo: Lungelelanisa kwaye ucinezele ufake inxalenye engashukumiyo yesitywini kwisihlalo sayo ngaphakathi kwekhava yepompo okanye ipleyiti yegland, ukuqinisekisa ukulungelelana okufanelekileyo ukuthintela ukuvuza okanye ukungasebenzi kakuhle kwangaphambi kwexesha.
Inyathelo 6: Ukuhlanganisa kwakhona

Ukuqhaqha okungasemva: Hlanganisa kwakhona zonke iindawo ngendlela engasemva yokuqhaqha, uqinisekise ukuba inxalenye nganye ibotshelelwe kwizicwangciso zayo ze-torque ezichaziweyo ukuthintela iindawo ezikhululekileyo ngexesha lokusebenza.
Inyathelo lesi-7: Ukuhlolwa kokugqibela

Jikelezisa ishafti ngesandla: Ngaphambi kokuba udibanise umbane kwakhona, jikela ishafti yepompo ngesandla ukuqinisekisa ukuba akukho ziphazamiso kwaye zonke izinto zihamba ngokukhululekileyo njengoko kulindelekile.
Jonga ukuvuza: Emva kokuphinda udibanise, jonga ukuvuza okujikeleze indawo yokutywina ukuqinisekisa ukuba ufakelo olufanelekileyo.

Zihlala ixesha elingakanani iiPump Mechanical Seals?
Ixesha lobude bezinto zokutywina zoomatshini bepompo libaluleke kakhulu ekugcineni nasekusebenzeni kakuhle kwizicelo ezahlukeneyo zoshishino. Ngokubanzi, phantsi kweemeko ezifanelekileyo, isitywina soomatshini esigcinwe kakuhle sinokuhlala naphi na ukusuka kunyaka omnye ukuya kwemithathu ngaphambi kokuba kufuneke sitshintshwe okanye silungiswe. Nangona kunjalo, kubalulekile ukuqaphela ukuba ubomi benkonzo bunokwahluka kakhulu ngokusekelwe kwizinto ezahlukeneyo.

Izinto eziphambili ezichaphazela ukuqina kwezitywino zoomatshini bepompo ziquka ukusetyenziswa kweshishini elithile, iimeko zokusebenza ezifana nobushushu kunye noxinzelelo, uhlobo lolwelo olupompayo, kunye nokuba khona kwezinto ezirhabaxa okanye ezirhabaxa ngaphakathi kolwelo. Ukongeza, ukwakheka kwezinto zesitywino kunye noyilo lwaso (olulinganiselayo vs. olungalinganiyo, i-cartridge vs. bellow, njl.njl.) zidlala indima ebalulekileyo ekumiseleni ubude baso.

Ukugcinwa rhoqo kunye nokufakelwa ngokufanelekileyo nako kubaluleke kakhulu ekwandiseni ubomi bezi zitywini. Ukuqinisekisa ukuba ubuso bezitywini buhlala bucocekile kwaye bungenasiphako, ukujonga iimpawu zokuguguleka, kunye nokunamathela kwiinkcukacha zomenzi wokusebenza kunokwandisa kakhulu ixesha lazo lokusebenza ngokufanelekileyo.

Ingandiswa Njani Ixesha Lobomi Besitywina Soomatshini?
Ukwandisa ubomi besiciko soomatshini kwiimpompo zamanzi kubandakanya ukugcinwa ngononophelo, ukufakelwa okufanelekileyo, kunye nokusebenza ngaphakathi kwemilinganiselo echaziweyo.

Ukukhetha okufanelekileyo ngokusekelwe kwiimfuno zesicelo kuqinisekisa ukuhambelana neemeko zokusebenza. Ukuhlolwa rhoqo kunye nokugcinwa kunciphisa ukuguguleka kwaye kuthintele ukungaphumeleli ngaphambi kokuba kube yingozi. Ukuqinisekisa ulwelo olucocekileyo kubalulekile njengoko izinto ezingcolisayo zinokukhawulezisa ukuguguleka. Ukufaka ulawulo lokusingqongileyo, olufana nezicwangciso zokutywina, kulawula ubushushu ngokufanelekileyo kunye nokususa amasuntswana angonakalisa ubuso besitywina.

Ukulinganisela iiparameter zokusebenza ukuze kuthintelwe uxinzelelo olugqithisileyo okanye amaqondo obushushu adlula imilinganiselo yesitywini kubalulekile ukuze kuhlale ixesha elide. Ukusebenzisa iinkqubo zokuthambisa nokupholisa xa kuyimfuneko kunceda ekugcineni iimeko ezifanelekileyo zokusebenza kwesitywini. Ukuphepha iimeko zokusebenza ezomileyo kugcina ukuthembeka kwesitywini ngokuhamba kwexesha.

Ukuqeqesha abaqhubi ngeendlela ezilungileyo zokuqalisa kunye neenkqubo zokuvala kuthintela uxinzelelo olungeyomfuneko kwizitywino zoomatshini. Ukunamathela kwiishedyuli zokulungisa rhoqo ukuze kuhlolwe izinto ezifana nezipringi, ii-bellows, kunye neekhola zokutshixa ukuze kubonwe iimpawu zokuguguleka okanye umonakalo kudlala indima ebalulekileyo ekwandiseni ubomi benkonzo.

Ngokugxila ekukhetheni ngokufanelekileyo, ukuchaneka kokufakwa, amanyathelo okukhusela ukungena kwezinto ezingcolisayo, kunye nokunamathela kwizikhokelo zokusebenza, ubomi beempompo zamanzi bunokuphuculwa kakhulu. Le ndlela ayigcini nje ngokukhusela ukuthembeka kweenkqubo zepompo kodwa ikwaphucula ukusebenza kakuhle ngokunciphisa ixesha lokungasebenzi kunye neendleko zokulungisa.

Ukuququmbela
Ngamafutshane, isitywino somatshini sempompo yamanzi sisixhobo esibalulekileyo esenzelwe ukuthintela ukuvuza nokuqinisekisa ukusebenza kakuhle kweempompo ze-centrifugal ngokugcina umqobo phakathi kolwelo olupompayo kunye nokusingqongileyo kwangaphandle.