Intshayelelo
Ukusebenza kwetywina loomatshini kuxhomekeke kakhulu kwindlela eveliswa ngayo amandla okuvala, kwaye uyilo lwentwasahlobo lolunye lwezona zinto zibalulekileyo. Xa kuthelekiswa amalungiselelo entwasahlobo enye kunye nentwasahlobo ezininzi, umahluko udlula inani leenxalenye: uchaphazela ukuthembeka, ukumelana nongcoliseko, ukulingana kweshaft, kunye nokuziphatha phantsi kokungcangcazela, ukuguguleka, kunye nokuhamba kobushushu. Eli nqaku ligxile kwitywina loomatshini lentwasahlobo enye ngelixa liyibeka ngokuchasene nenye indlela yentwasahlobo ezininzi, ukuze ubone apho uyilo ngalunye lusebenza khona ngcono. Ekugqibeleni, uya kuba nesiseko esisebenzayo sokukhetha uqwalaselo olufanelekileyo lwetywina kwinkonzo yepompo, iimeko zokusebenza, kunye nezinto eziphambili zokugcinwa.
Izitywino zeMechanical zeSinye vs ezininzi zaseNtwasahlobo
Izitywino zoomatshini zixhomekeke kwiindlela zazo zasentwasahloboukugcina ukudibana kobuso rhoqo ngexesha lokusebenza okuguquguqukayo, ukuhlawula ukuguguleka kobuso, ukugeleza komngxuma, kunye nokwandiswa kobushushu. Ukukhetha phakathi koqwalaselo lwentwasahlobo enye neninzi kutshintsha kakhulu impendulo yoomatshini, iimfuno zendawo, kunye nokuba sesichengeni kongcoliseko lwemidiya kwinkqubo yokutywina. Ukuqonda ezi zakhiwo zahlukileyo kubalulekile ekwenzeni ngcono ixesha eliphakathi phakathi kokusilela (MTBF) kwiizicelo zepompo yemizi-mveliso, apho ukukhetha okungafanelekanga kwentwasahlobo kunokukhokelela ekuvuzeni okubi kakhulu kunye nexesha lokungasebenzi elingacwangciswanga.
Nangona zombini ezi zakhiwo zisebenza injongo efanayo yokubonelela ngamandla okuvala afunekayo kwiindawo eziphambili zesitywina, ukusebenza kwazo kwejometri kumisela ukufaneleka kwazo kwiindawo ezithile zoshishino. Iinjineli zezityalo kufuneka zivavanye ezi zakhiwo kungekuphela nje njengezinto ezitshintshanayo, kodwa njengeenkqubo ezincinci ezenziwe ngobunjineli ezisebenzisana ngokuthe ngqo nolwelo olupompelweyo.
Umahluko ophambili kuyilo
A uphawu loomatshini lwentwasahlobo enyeisebenzisa intwasahlobo enye enkulu, enzima yekhoyili ukufaka amandla okuvala kwiringi yokutywina ephambili. Le khoyili enye idla ngokwenziwa ngentambo yokulinganisa ubunzima, edla ngokuba yi-3.0 ukuya kwi-5.0 millimeters ububanzi ngokuxhomekeke kubungakanani bomngxuma othile. Ngenxa yecandelo layo elikhulu, intwasahlobo enye iqinile kwaye ayimelani nokuwohloka kwesakhiwo.
Ngokwahlukileyo koko, isitywina esinezipringi ezininzi sisebenzisa uthotho lwezipringi ezincinci zekhoyili—ngokuqhelekileyo phakathi kwezipringi ezi-6 nezingama-20 ngokuxhomekeke kububanzi besitywina—ezigcinwe ngaphakathi kweringi yokugcina esetyenzisiweyo. Ezi zipringi zincinci zisebenzisa ucingo oluncinci kakhulu, oluqhele ukuba yi-1.0 ukuya kwi-2.0 millimeters ububanzi, olucwangciswe ngokujikeleza ubuso besitywina. Olu lwakhiwo olusasazekileyo lufuna inkqubo yokuvelisa eyinkimbinkimbi ngakumbi kodwa luphumela kwi-axial kunye ne-radial footprint encinci kakhulu.
Ukusebenza kunye nolawulo lokuvuza
Ukusasazwa kwamandla okuvala yeyona nto iphambili eyahlulahlula ukusebenza phakathi kwezi zakhiwo zimbini. Izitywina zentwasahlobo ezininzi zibonelela ngeprofayili yokulayisha ubuso efanayo kakhulu ye-360-degree. Olu yilo ludla ngokwenziwa ukuze lugcine uxinzelelo lobuso oluchanekileyo noluhlala luhleli, ngokubanzi phakathi kwe-0.15 kunye ne-0.25 MPa. Olu sasazo lulinganayo lunciphisa ukugqwetheka kobuso kwaye luqinisekisa ukulandelwa ngaxeshanye, okubaluleke kakhulu kwisantya esiphezulu sokujikeleza apho iifilimu zolwelo lwe-hydrodynamic kufuneka zigcinwe ngokungqongqo.
Ngokwahlukileyo koko, isitywina esinye somatshini sentwasahlobo sisebenzisa amandla avela kwikhoyili enye eqhubekayo, ejikelezayo. Ngenxa yokuba amandla avela kwintambo enye ejikeleza umngxuma, inokubangela ukusasazwa koxinzelelo lobuso olungalinganiyo. Kwisantya esiphezulu, oku kulayisha okungalinganiyo kunokubangela ukugqwetheka kobuso obuncinci, okukhokelela ekugugeni okungalinganiyo okanye ukuveliswa kobushushu kwindawo ethile. Nangona kunjalo, uhlobo olunzima lwentwasahlobo enye lubonelela ngokumelana okuphezulu kokungakhululeki kwe-centrifugal, okwenza ukuba izinze kakhulu kwisantya esiqhelekileyo nesiphantsi sokusebenza.
Imida yenkonzo kunye nokufaneleka kweendaba
Iimpawu zemidiya ekugqibeleni zilawula imida yenkonzo epheleleyo yoyilo ngalunye lwentwasahlobo. Imithombo enye igqwesile kwiindawo ezirhabaxa, ezirhabaxa, okanye ezixineneyo kakhulu. Uyilo lwazo olukhulu, oluvulelekileyo alukwazi ukuvaleka kwiinxalenye ezixhonyiweyo, ulwelo olujiyayo, okanye imidiya eqinisayo. Ulwelo olunomthamo ophezulu wezinto eziqinileyo lunokuhlamba ngokulula kwizikhewu ezinkulu kwintwasahlobo enye ngaphandle kokuthintela ukuguquguquka kwayo koomatshini.
Uyilo lwezipringi ezininzi, nangona zingcono kulwelo olucocekileyo, zisengozini enkulu yokungcoliswa. Amasuntswana aqinileyo, iislurry, okanye ulwelo olupholishayo zinokupakishwa ngokulula kwiipokotho ezincinci zentwasahlobo ngaphakathi kwe-retainer. Nje ukuba ezi pokotho zizale, izipringi ezincinci ziyaxinga okanye "ziminxeke," nto leyo eyenza isitywino siqine. Oku kulahlekelwa kukuguquguquka kuthintela isitywino ekulandeleni umngxuma, nto leyo ekhokelela ekuvuzeni ngokukhawuleza nangokuqatha.
| Uphawu | Isitywina seMechanical saseNtwasahlobo esinye | Isitywino seMishini seNtwasahlobo emininzi |
|---|---|---|
| Ububanzi beNtambo yeNtwasahlobo | Inkulu (3.0 – 5.0+ mm) | Encinci (1.0 – 2.0 mm) |
| Ukusasazwa koMthwalo woBuso | Ephakathi/Engalinganiyo | Ifana kakhulu/Ilingana ngokulinganayo |
| Ukumelana nokuxinana | Igqwesile (Uyilo oluVulekileyo) | Amahlwempu (Iipokotho ezivalekileyo) |
| Umda wesantya oqhelekileyo | Eliphakathi (< 15 m/s) | Phezulu (> 20 m/s) |
Indlela yokuthelekisa iinketho zesitywina
Ukuvavanya nokuthelekisa iindlela zokutywina kufuna uhlalutyo olucokisekileyo lwemida yoomatshini, ye-thermodynamic, kunye neyendawo. Iinjineli kufuneka zilungelelanise iimpawu zomzimba zesitywina neemfuno zokusebenza kwezixhobo ezijikelezayo, zihlala zibhekisa kwimigangatho eqinileyo yeshishini efana ne-API 682 kwizicelo ezibalulekileyo ze-petrochemical kunye ne-refinery. Ukuthelekiswa okuchanekileyo kuqinisekisa ukuba uyilo lwesitywina olukhethiweyo aluyi kuhambelana kuphela nezixhobo kodwa luya kusinda nakwiimeko ezithile eziguqukayo zenkqubo.
Iikhrayitheriya zokukhetha
Iikhrayitheriya zokukhetha eziphambili zijikeleza ububanzi be-shaft, isantya sokujikeleza, kunye noxinzelelo lokusebenza. Ii-seal ze-multi-spring zihlala ziyindlela ekhethwayo yesantya se-shaft esidlula i-3000 RPM okanye isantya sobuso esingaphezulu kweemitha ezingama-20 ngomzuzwana. Ubunzima bazo obuncinci, obusasazekileyo buthintela ukugqwetheka kwe-centrifugal okunokuchaphazela ii-single coils ezinkulu ngesantya esiphezulu.
Uvavanyo loxinzelelo lukwadlala indima ebalulekileyo ekuthelekisweni. Nangona zombini uyilo lunokwakhiwa ngokwee-configurations ezilinganayo okanye ezingalinganiyo, ii-standard unbalanced single spring mechanical seals zihlala zikhawulelwe kwii-stuffing box pressures ezingaphantsi kwe-1.0 MPa (145 psi). Kwii-applications zoxinzelelo oluphezulu, ii-balanced multi-spring seals zihlala zichazwa. Ziphatha ngokukhululeka uxinzelelo olufikelela kwi-3.0 MPa (435 psi) kwii-configurations ezisemgangathweni ngokusebenzisa i-optimized balance ratio—ehlala icwangciswe phakathi kwe-0.70 kunye ne-0.85—ukunciphisa ukuveliswa kobushushu kwiindawo ze-seal.
Iindlela zokusilela kunye novakalelo lofakelo
Iindlela zobuthathaka bokufakelwa kunye nokusilela zahlukile kakhulu phakathi kwezi ndlela zimbini zokwakha. Itywina enye yoomatshini yentwasahlobo yayaziwa ngokwembali ngokuba nentethelelo enkulu malunga nokunyamezelana kokufakelwa kwe-axial. Ihlala ikwazi ukwamkela iimpazamo zokugqibela kweshaft, ukukhula kobushushu, okanye ukuseta ukufakelwa kwe-$\pm 2.0$ millimeters ngaphandle kokulahlekelwa kakhulu ngumthwalo wobuso. Nangona kunjalo, iisprings ezinekhoni enye zihlala zibhekisa kwicala—oko kuthetha ukuba zixhomekeke kwicala elithile lokujikeleza kweshaft (inxeba lasekunene okanye lasekhohlo) ukuze ziqine ngexesha lokusebenza. Ukufaka ispring ebhekisa kwicala kwishaft ejikelezayo ngasemva kuya kubangela ukuba ispring ikhululeke kwaye ingaphumeleli ngoko nangoko.
Izitywino zentwasahlobo ezininzi ziyayisusa ingxaki yokujikeleza, njengoko iziprinto zazo zoxinzelelo oluthe tye zisebenza ngokwazo ngaphandle kwecala lokujikeleza kweshaft. Nangona kunjalo, zifuna ukufakwa ngokuchanekileyo. Ukunyamezelana kwe-axial yesitywino sentwasahlobo ezininzi kudla ngokukhawulelwa kwi-0.5$ millimeters. Ukuba ifakwe ngokukhululekileyo kakhulu, isitywino siya kuvuza xa kuqaliswa; ukuba icinezelwe kakhulu, iziprinto ezincinci ziya kubophana, nto leyo ekhokelela ekugugulekeni kobuso kakhulu kunye nokungaphumeleli kobushushu ngokukhawuleza.
Izinto ezisetyenziswayo kunye nokulinganisela
Ukukhethwa kwezinto ezisetyenziswa kwizipringi yeyona nto ibalulekileyo xa kuthelekiswa, nto leyo ephenjelelwa kakhulu yi-corrosion allowance ye-wire. Ngenxa yokuba izipringi ezininzi zisebenzisa i-wire ebhityileyo (1.0 ukuya kwi-2.0 mm), azikwazi ukumelana ne-pitting okanye i-corrosion efanayo. Ngenxa yoko, izipringi ezininzi eziqhelekileyo zihlala zenziwa ngee-alloys ezikumgangatho ophezulu ezifana ne-Hastelloy C-276, i-Alloy 20, okanye i-Inconel 718 ukuqinisekisa ukuhlala ixesha elide kwiindawo ezinoburhalarhume beekhemikhali.
Iisprings ezizimeleyo zixhamla kwindawo enkulu enqamlezileyo, nto leyo enika isibonelelo esiphezulu sokugqwala esakhelwe ngaphakathi. Oku kuvumela iinjineli ukuba zikhethe rhoqo i-316 Stainless Steel eqhelekileyo kwiisprings ezizimeleyo nokuba zikwimeko yokugqwala okuphakathi, njengoko kuya kuthatha iminyaka ukuba ukugqwala kungene kwintambo ye-4.0 mm ngokwaneleyo ukuze kubangele ukonakala kwesakhiwo.
| Inkcazo | Uqwalaselo lweNtwasahlobo enye | Uqwalaselo lweNtwasahlobo eNinzi |
|---|---|---|
| Unyamezelo loFakelo lwe-Axial | $\pm 2.0$ mm (Uxolelo) | $\pm 0.5$ mm (Engqongqo) |
| Ulwalathiso olujikelezayo | Idla ngokuba yiDirectional (Conical) | Ayikho kwicala |
| Izinto zaseNtwasahlobo eziQhelekileyo | 316 Intsimbi Engagqwaliyo | I-Hastelloy C-276 / I-Alloy 20 |
| Umda woXinzelelo (Ongalinganiyo) | $\le 1.0$ MPa | $\le 1.2$ MPa |
Indlela yokukhetha isitywina esifanelekileyo
Inkqubo yokuthengwa kwezixhobo kunye neyobunjineli ixhomekeke ekuqinisekisweni okungqongqo kwedatha yesicelo sentsimi ngokuchasene nee-curve zokusebenza komenzi. Ukukhetha uyilo olufanelekileyo lwesitywina asingombandela wokukhetha ngokubanzi, kodwa yinkqubo engqongqo yokudibanisa ubuchwepheshe ethintela ukuwohloka kwezixhobo ngaphambi kwexesha. Indlela yesigqibo ecwangcisiweyo kufuneka ilandelwe ukuze kususwe izinto eziguquguqukayo kwaye kwahlulwe ubuchwepheshe bokutywina obufanelekileyo.
Idatha yesicelo yokuqinisekisa
Iimpawu zolwelo zisebenza njengoyena mgwebi ungqongqo wokukhetha isitywina. Iinjineli kufuneka ziqinisekise ngokuchanekileyo i-dynamic viscosity, i-crystallization point, kunye ne-particle concentration ye-pumped media. Imida icacile kakhulu: ukuba i-fluid viscosity idlula i-500 cSt, okanye ukuba i-particle concentration ingaphezulu kwe-5% ngobunzima, i-spring mechanical seal enye iba yinkcazo yesiseko eyimfuneko.
Ukungaphumeleli ukuqinisekisa le datha kunokubangela ukuba kuchazwe isitywina se-multi-spring sokusetyenziswa kwe-slurry, okuqinisekisa ukungaphumeleli kwangethuba njengoko ii-springs zivala. Ngokwahlukileyo koko, ukuqinisekisa ukuba ulwelo yi-hydrocarbon ecocekileyo, enga-polymerizing ene-viscosity engaphantsi kwe-10 cSt kubonelela ngokukhanya okuluhlaza ukuze kusetyenziswe uzinzo olukhawulezayo loyilo lwe-multi-spring.
Ukuhlolwa komthengisi kunye nokuhambelana
Nje ukuba ukuhambelana kolwelo kumiselwe, iinjineli kufuneka zenze uhlolo lobukhulu kunye nolwemveliso. Ukunqongophala kwesithuba se-radial kunye ne-axial ngaphakathi kwebhokisi yokuzalisa yepompo kulawula ukuhambelana komzimba. Izitywina ze-multi-spring zine-radial cross-section encinci kakhulu, nto leyo eyenza ukuba zilungele uyilo lwepompo zanamhlanje, ezixineneyo ze-API okanye ze-ANSI, okanye izixhobo ezindala ezinee-seal chambers ezithintelayo.
Ababoneleli kufuneka banike imizobo eqinisekisiweyo enobukhulu ukuze kuqinisekiswe. Ukuzama ukufaka kwakhona isitywina esikhulu sentwasahlobo enye kwibhokisi yokuzalisa encinci kunokufuna ukucutshungulwa kwendlu yepompo ukuze kubonelelwe nge-radial clearance eyaneleyo. Ukongeza, amaqela okuthenga kufuneka aqinisekise amaxesha okukhokela abathengisi kunye nobungakanani obuncinci beodolo (ii-MOQ). Iisprings eziqhelekileyo ezi-single kwi-316 SS zihlala zinexesha lokukhokela leveki e-1 ukuya kwezi-2, ngelixa ii-cartridges ezikhethekileyo zentwasahlobo ezininzi ezisebenzisa iHastelloy zinokuthatha iiveki ezi-6 ukuya kwezi-8 ukuze zihanjiswe.
Indlela yokwenza isigqibo sokukhetha isitywina
Indlela yokwenza isigqibo sokukhetha ilandela ingqiqo engqongqo, ehambelanayo neyenzelwe ukunciphisa umngcipheko. Inyathelo lokuqala kukuvavanya ucoceko lolwelo kunye nokuxinana; ulwelo olungcolileyo, olunemicu, okanye oluxineneyo kakhulu lujika isigqibo ngokukhawuleza luye kuyilo olunye lwentwasahlobo. Inyathelo lesibini livavanya isantya sokujikeleza kunye nesantya sobuso; ukuba ulwelo lucocekile kodwa ipompo isebenza ngaphezulu kwe-3600 RPM okanye i-20 m/s, isigqibo sijikeleza kuyilo lwentwasahlobo ezininzi ukuqinisekisa uzinzo oluguquguqukayo.
Inyathelo lokugqibela livavanya imida yobukhulu bebhokisi yokuzalisa kunye nobuchule bokugcina obukhoyo. Le ndlela icwangcisiweyo iqinisekisa ukuba ukuthembeka okusisiseko kokusebenza kubekwe phambili kunokukhethwa kwezinto eziqhelekileyo, okuhambelana nenyaniso yoomatshini yesitywina kunye nenyaniso ebonakalayo yenkqubo.
Izinto Ezinokwenza Izigqibo Nesikhokelo Sokugqibela
Inkcazelo yokugqibela yesitywina soomatshini kufuneka ilungelelanise ukufaneleka kobugcisa kunye noqoqosho lomjikelo wobomi. Ixabiso lilonke lobunini (i-TCO) alibandakanyi nje kuphela imali yokuqala yokuthenga kodwa kunye nobunzima bokufakelwa, amaxesha okugcinwa, ukubekwa kwemigangatho kwimpahla, kunye neendleko zexesha lokungasebenzi elingacwangciswanga. Ukuhamba kwezi zivumelwano kuqinisekisa ukuba isitywina esikhethiweyo sinika ixabiso eliphezulu kwixesha laso lokusebenza.
Ixabiso, ukuthembeka, kunye notshintsho kulondolozo
Ngokwembono yorhwebo ngqo, isitywina somatshini sentwasahlobo enye sidla ngokubiza kancinci nge-15% ukuya kwi-30% kunoyilo olufana nolwentwasahlobo ezininzi, ngenxa yeenkqubo ezilula zokuvelisa kunye nezinto ezimbalwa zangaphakathi. Amaqela okulungisa adla ngokuthanda uyilo lwentwasahlobo enye yokulungisa intsimi; ukuqina kwazo, ukuvuleka kwazo kwenza kube lula ukuzicoca, ukuzihlola, kunye nokwakha kwakhona kwindawo ngaphandle kwezixhobo ezikhethekileyo.
Ngokwahlukileyo koko, izitywini zentwasahlobo ezininzi zineendleko eziphezulu zokuqala kwaye kunzima ukuzihlaziya kweli candelo, zihlala zifuna ukubuyiselwa kwisixhobo se-OEM ukuze kwakhiwe kwakhona iikhatriji. Nangona kunjalo, kwizicelo ezicocekileyo nezikhawulezayo, izitywini zentwasahlobo ezininzi zinciphisa iindleko zazo zokuqala eziphezulu ngokubonelela ngokuthembeka okuphezulu. Umthwalo wobuso obufanayo unciphisa amazinga okuguguleka kwi-silicon carbide ebizayo okanye ubuso be-tungsten carbide, rhoqo ukwandisa i-MTBF ukusuka kwiinyanga ezili-18 eziqhelekileyo ukuya kwiinyanga ezingaphezu kwama-36, ngaloo ndlela kunciphisa i-TCO yexesha elide ngokunciphisa amanyathelo okulungisa.
Ukukhetha nini intwasahlobo enye xa kuthelekiswa nentwasahlobo emininzi
Isikhokelo esiphambili sabasebenzi bemizi-mveliso kukufanisa uyilo lwentwasahlobo ngqo nemeko yolwelo kunye nesantya sesixhobo. Khetha isitywina esinye somatshini sentwasahlobo se-slurry, amanzi amdaka, isitokhwe sephepha, kunye nee-resin ezine-viscosity ephezulu. Kwezi meko zinzima, umngcipheko wokuvaleka kwentwasahlobo yindlela eyintloko yokusilela, kwaye uyilo oluqinileyo, oluvulekileyo lwe-coil lubonelela ngamathuba aphezulu enkonzo engaphazanyiswa.
Khetha isitywina esinezipringi ezininzi ngaphakathiukucoca iikhemikhali, iimpompo zamanzi ezisebenzisa ibhoyila ekhawulezayo, kunye nokusetyenziswa kwe-hydrocarbon ekhaphukhaphu. Xa ulwelo lucocekile kwaye lungenazo iinxalenye, uxinzelelo lobuso olufanayo, uzinzo olukhawulezayo, kunye nomfanekiso oqinileyo woyilo lwentwasahlobo ezininzi ziba zizinto ezibalulekileyo zokugcina ingqibelelo yokutywina ixesha elide, engenakukhupha ukungcola.
Izinto ezibalulekileyo ekufuneka ziqwalaselwe
- Izigqibo ezibaluleke kakhulu kunye nesizathu sokutywinwa koomatshini bentwasahlobo enye
- Iinkcukacha, ukuthobela imithetho, kunye nokuhlolwa komngcipheko okufuneka kuqinisekiswe ngaphambi kokuba uzibophelele
- Amanyathelo alandelayo asebenzayo kunye nezilumkiso abafundi abanokuzisebenzisa ngoko nangoko
Imibuzo ebuzwa qho
Ndingayikhetha nini itywina yomatshini yentwasahlobo enye?
Khetha yona xa ulwelo olurhabaxa, oluqinileyo, okanye olungcolileyo, olunesantya esiphantsi ukuya kwesiphakathi, kunye neenkonzo apho ukumelana nokuxinana kubaluleke ngaphezu kokulayisha ubuso ngendlela efanayo.
Kutheni itywina lentwasahlobo emininzi lingcono kunetywina lentwasahlobo elinye?
Sebenzisa isitywini sentwasahlobo emininzi kwizinto ezicocekileyo, iindawo ezincinci, kunye nesantya esiphezulu seshaft apho uxinzelelo olufana nolo lobuso kunye nokulandelela okuzinzileyo kuphucula ulawulo lokuvuza.
Ngaba izitywina zentwasahlobo ezingatshatanga zingakwazi ukuphatha i-slurry okanye i-crystallizing media?
Ewe. Uyilo lwazo oluvulekileyo nolukhulu alukwazi ukuminxeka, ngoko ke izinto eziqinileyo kunye neekristale azinakwenzeka ukuba zixinzelele entwasahlobo ngexesha lokusebenza kwepompo.
Ngaba iVictor Seals inikezela ngezixhobo zokutshintsha intwasahlobo enye kunye nentwasahlobo ezininzi?
Ewe. I-Victor Seals inikezela nge-single spring, multi spring, seals ezihambelana ne-OEM, ii-spare parts, kunye nezinye izinto ezitshintsha i-pump seal kwizicelo ezininzi zoshishino.
Loluphi ulwazi endifanele ndiluthumele kuVictor Seals ngaphambi kokuba ndikhethe isitywino?
Nika imodeli yepompo, ubungakanani bomngxuma, uhlobo lolwelo, ubushushu, uxinzelelo, isantya, kunye nokuba imidiya iqulethe izinto eziqinileyo na. Oku kunceda ukuhambelana noyilo olufanelekileyo lwesitywina ngokukhawuleza.
Ixesha lokuthumela: Juni-12-2026