Amathiphu ama-5 okwandisa impilo yesevisi yezimbobo zakho zemishini

Izivalo zemishini zidlala indima ebalulekile ezisetshenziswayo ezimbonini ezahlukahlukene. Ukuze kwandiswe isikhathi sokuphila kwezivalo, abaqhubi kufanele bagxile ezintweni eziningana ezibalulekile. Izifundo zakamuva zibonisa ukuthi ukunquma ukuthi isivalo semishini kufanele sihlale isikhathi esingakanani kuyinkimbinkimbi. Izici ezifana nobunzima benkonzo, izinga lokushisa, ingcindezi, isivinini, kanye nokuchayeka kwamakhemikhali kuthinta kakhulu impilo ende. Isibonelo, izivalo ezigcotshwe ngokhilimu zivame ukuhlala isikhathi eside kabili kunezivalo ezomile ngaphansi kwezimo ezifanayo. Ukusebenzisa okusebenzayoukulungiswa kwesivalo semishiniimikhuba, okuhlanganisaubuso bokuhlanza uphawukanye nokukhulumaukudlidliza kwepompo kanye nokuphila kwe-seal, kungathuthukisa kakhulu ukusebenza nokuthembeka. Ngaphezu kwalokho, ukuthuthukisaizinhlelo zokuhlanza izivalokungaba nomthelela omkhulu ebude besikhathi sabo sokuphila.

Izinto Ezibalulekile Okufanele Uzicabangele

• Qonda izimo zokusebenza. Amazinga okushisa aphezulu, ingcindezi, kanye nokuchayeka kumakhemikhali kungathinta kakhulu ukusebenza kwesivalo. Khetha izinto ngokuhlakanipha ngokusekelwe kulezi zici.
• Qaphela izimbangela zokuguguleka. Ukufakwa okungalungile, ukugcotshwa okunganele, kanye nokungahambi kahle kungaholela ekuhlulekeni kokuvalwa kusenesikhathi. Xoxa ngalezi zinkinga ngendlela efanele.
• Yehlisa ukudlidliza. Ukudlidliza ngokweqile kungalimaza izivalo. Qinisekisa ukuthi iphampu ibhalansi efanele kanye nokuqondana kwayo ukuze kudalwe indawo ezinzile yezivalo.
• Qinisekisa ukugcotshwa okufanele. Ukugcotshwa okwanele kunciphisa ukungqubuzana nokuguguleka. Sebenzisa amafutha okugcoba afanele ukuvimbela ukushisa ngokweqile nokulimala kokuvala.
• Yenza ukuhlolwa okuvamile. Ukuhlolwa okuvamile kusiza ekutholeni izinkinga ezingaba khona kusenesikhathi. Qapha izimpawu zokuguguleka, ukuvuza, kanye nokungahambi kahle ukuze ugcine ubuqotho besivalo.

Qonda Izimo Zokusebenza

Ukuqonda izimo zokusebenza kwezimpawu zomshini kubalulekile ekwandiseni impilo yezimpawu. Izici ezahlukahlukene, okuhlanganisa izinga lokushisa, ingcindezi, kanye nokuchayeka kumakhemikhali, kuthinta kakhulu ukusebenza kwezimpawu kanye nokuphila isikhathi eside.

Izimo Ezibalulekile Zokusebenza

• Izinga lokushisa: Amazinga okushisa aphezulu angonakalisa ama-elastomer, okuholela ekuhlulekeni kwangaphambi kwesikhathi. Ukushisa okukhulu kungabangela nama-hydrocarbon ukuthi aqhume, okuthinta ukunyakaza kwe-seal.
• Ingcindezi: Ukucindezela okukhulu kungalimaza ubuso besivalo, kubeke engcupheni ubuqotho baso. Abaqhubi kufanele baqinisekise ukuthi izivalo zisebenza ngaphakathi kwemingcele ethile yokucindezela ukuze bagweme umonakalo.
• Ukuvezwa Kwamakhemikhali: Uketshezi olubolayo lungabangela ukuwohloka kwezinto. Ukukhetha izinto zokuvala ezifanele ngokusekelwe ohlotsheni loketshezi kubalulekile ekugcineni ukusebenza kophawu.

Abasebenzi kumele bacabangele nezici zemvelo. Umswakama ungenza izinto zokuvala zibe buthaka ngokuhamba kwesikhathi. Izivalo zepulasitiki zingavuvukala noma zithambe, okunciphisa ikhono lazo lokukhiya. Izivalo zensimbi zingaba nokugqwala noma ukugqwala ngenxa yokujiya.

Ukuqinisekisa ukusebenza kahle, opharetha kufanele:

• Khetha izinto zokuvala ngokusekelwe kuuhlobo loketshezi, izinga lokushisa, kanye nokucindezela.
• Yenza ukuhlolwa kokuhambisana kwazo zonke izinto ezisetshenziswayo.
• Sebenzisa izinto ezingamelani namakhemikhali njenge-PTFE ne-Hastelloy ezindaweni ezinzima.

Ngokuqonda lezi zimo zokusebenza, abaqhubi bangenza izinqumo ezinolwazi ezithuthukisa ubude bezimpawu zomshini. Izinyathelo ezisebenzayo, njengokubonisana nochwepheshe bezimpawu, zingasiza kakhuluukukhetha izinto ezifanelekanye nokucushwa kwezinhlelo zokusebenza ezithile.

Qaphela Izimbangela Zokuguguleka

Ukuqaphela izimbangela zokuguguleka kubalulekile ekugcineni izivalo zemishini. Kunezici eziningana ezibangela ukuguguleka kwangaphambi kwesikhathi, okungaholela ekwahlulekeni kwezivalo. Abasebenzi kufanele bazi ngalezi zimbangela ezivamile ukuze basebenzise izindlela zokuvimbela ezisebenzayo.

1. Ukufakwa Okungafanele: Ukuphathwa okungalungile ngesikhathi sokufakwa kungaholela ekuvuthweni ngokushesha. Izinkinga ezifana nokungafaneleki kwe-torque kuma-gland bolts noma ukungcola ngesikhathi sokuhlanganiswa kungabangela ukuguguleka okungalingani. Ukungapheleli okuncane, njengokungcola noma izigxivizo zeminwe ebusweni bokuvala, kungaholela nasekugugulekeni okusheshayo nasekuvuthweni.
2. Ukugcotshwa Okwanele noma Ukugeleza Komile: Ukugcotshwa okunganele kudala ukushisa okukhulu, okunciphisa isikhathi sokuphila kwesivalo. Abasebenzi kumele baqinisekise ukuthi izivalo zithola ukugcotshwa okwanele ukuze zigcine ukusebenza kahle.
3. Ukungalungi kahle kanye nokudlidliza: Ukungalungi kahle kwezingxenye zesivalo kungabangela ukuguguleka okungalingani kanye nomonakalo kuma-O-rings. Ukudlidliza kwenza le nkinga ibe yimbi kakhulu, okuholela ekuwohlokeni okuqhubekayo kwesivalo.
4. Ukukhetha Okungalungile KwezintoUkusebenzisa izinto ezingahambisani noketshezi lwenqubo kungaholela ekuhlaselweni ngamakhemikhali. Lokhu kuholela ekugugeni okusheshayo kanye nokuncipha kokusebenza kahle kokuvala.
5. Ingcindezi Ephakeme Yokusebenzanoma Izinga Lokushisa: Ukusebenza ngale kwemingcele yomklamo kungalimaza ubuso besivalo. Lokhu kuguquka kuphazamisa ubuqotho besivalo, okuholela ekwehlulekeni.

Ngaphezu kwalokho, ukungcoliswa kwezinhlayiya ezihudulayo kunegalelo elikhulu ekuwohlokeni kwesivalo somshini. Izinhlayiya eziqinile oketshezini lwenqubo zisebenza njengezihudulayo, zigaya izinto zesivalo. Lokhu kuholela ekugugeni okusheshayo kanye nokuncipha kokusebenza kahle kwesivalo ngokuhamba kwesikhathi.

Ukujikeleza kokushisa nakho kuthinta amaphethini okuguguleka. Ama-seal endabuko e-elastomeric athambekele ekuwohlokeni ngenxa yokushintshashintsha kokushisa. Ngokuphambene nalokho, ama-seal athuthukile njenge-MFLWT80 metal bellows ayamelana nokushaqeka kokushisa futhi avumela ukwanda kokushisa, okunciphisa ukuguguleka.

Ngokuqaphela lezi zimbangela zokuguguleka, abaqhubi bangathatha izinyathelo zokuthatha isinyathelo sokwandisa isikhathi sokuvala uphawu nokuthuthukisa ukuthembeka kohlelo lonke.

Nciphisa Ukudlidliza

Ukudlidliza ngokweqile kubeka usongo olukhulu ebude besikhathi sezimpawu zomshini. Kungaholela ezimweni ezahlukahlukene eziyingozi ezibeka engcupheni ukusebenza kwezimpawu. Imithombo evamile yokudlidliza ihlanganisa ibhalansi engafanele yephampu, ukungalungi kahle, kanye nokusebenza ngaphandle kwephuzu lokusebenza kahle kakhulu (i-BEP). Lezi zici zinegalelo kulokhu:

• Ukunyakaza okukhulu kwe-axial kanye ne-radial shaft.
• Ukungakwazi ukwakha ifilimu yokugcoba eqinile phakathi kobuso besivalo.
• Amaphethini okuxhumana nokuguguleka ngezikhathi ezithile.
• Ukungahambisani kahle kobuso besivalo, okuholela ekuvuvukeni okukhulu.

Ukuze kuncishiswe lezi zinkinga, abaqhubi kufanele basebenzise amasu asebenzayo okunciphisanciphisa ukudlidlizaezinhlelweni zokupompa. Izindlela ezilandelayo zingathuthukisa kakhulu ukusebenza kwesivalo:

Ukungalungi kahle, ikakhulukazi, kungaholela emiphumeleni emibi kakhulu ezivalweni zomshini. Kubangela ukunyakaza okukhulu kwe-axial kanye ne-radial shaft, okuphazamisa ukusebenza kwesivalo. Lokhu kungazinzile kuvimbela ukwakheka kwefilimu yokugcoba ezinzile, okwandisa ukuguguleka kanye nethuba lokwehluleka. Ngaphezu kwalokho, ukungalungi kahle kudala amaphethini okuxhumana nokuguguleka ngezikhathi ezithile, okuholela ekuwohlokeni kobuso besivalo.

Abaqhubi kumele baxazulule izinkinga zokungalungi kahle ngokushesha. Ukungalungi kahle kwe-coaxial kungaholela ekugugeni ngokweqile ebusweni bokuphela kwesivalo. Izici ezifana nokuphambuka komgodi, ukudlidliza kwesistimu, kanye namaphutha okufakwa kunegalelo kule nkinga. Ngokugxila ekuqondeni nasekulinganiseni okufanele, abaqhubi bangakwazi kakhuluyandisa impilo yesivalofuthi kuthuthukiswe ukuthembeka kwesistimu iyonke.

Ngokunciphisa ukudlidliza, opharetha bangakha indawo ezinzile kakhulu yezivalo zomshini, ekugcineni bandise impilo yesivalo futhi bathuthukise ukusebenza kahle.

Qinisekisa Ukugcotshwa Okufanelekile

Ukugcoba okufanele kubalulekile ukuze izivalo zemishini zihlale isikhathi eside. Kunciphisa ukungqubuzana nokuguguleka ebusweni bezivalo, okuthinta ngqo ukusebenza kwazo. Ukugcoba okunganele kungaholela ekushiseni ngokweqile, okuholela ekungasebenzi kahle kwesivalo. Izivalo zemishini zithembele efilimini yokugcoba ukuze zisebenze kahle. Ngaphandle kokugcoba okwanele, ubuso bezivalo bungathintana ngqo, okubangela umonakalo wokushisa kanye nokuguguleka kwangaphambi kwesikhathi.

Imiphumela Yokugcotshwa Okwanele

• Ukushisa ngokweqile: Ukuntuleka kokuthambisa kudala ukushisa okukhulu. Lokhu kushisa kungabangela umonakalo wokushisa ezivalweni ngemizuzwana embalwa.
• Ukugijima Omile: Uma kungekho uketshezi olwanele lokuthambisa, ukuxhumana phakathi kwensimbi nensimbi kwenzeka phakathi kobuso besivalo. Lokhu kuxhumana kusheshisa ukuguguleka futhi kungaholela ekuhlulekeni.
• Ukwanda Kokungqubuzana: Ukugcotshwa okunganele kukhulisa amazinga okungqubuzana, okungalimaza kakhulu izinto zokuvala.

Ukuqinisekisa ukusebenza kahle, opharetha kufanele basebenzise izinhlelo zokupholisa ezifanele. Lezi zinhlelo zisiza ekuvimbeleni ukushisa ngokweqile kwezivalo zemishini. Ukukhetha uphawu olufanele ngokusekelwe ezimweni zokusebenza zesicelo kubalulekile. Ukuhambisana noketshezi kanye nezici zemvelo kubalulekile ekugcineni ubuqotho besivalo.

Izithambisi Ezinconyiwe

• Uketshezi OlupompiweEziningi zezicelo, uketshezi olupompiwe lusebenza njengesithambisi sobuso besivalo, ikakhulukazi ezindaweni zokushisa okuphezulu. Le ndlela isiza ekunciphiseni ukushisa nokungqubuzana.
• Izithambisi Ezishisa Kakhulu: Ngezicelo zokushisa okuphezulu, abaqhubi kufanele bakhethe amafutha angakwazi ukumelana namazinga okushisa aphezulu ngaphandle kokuwohloka.

Ukusebenzisa amafutha okugcoba angahambisani kungaholela emiphumeleni emibi kakhulu. Ukuvuza okwandisiwe kungabangela ukuphuma koketshezi ohlelweni, okuholela ekulahlekelweni komkhiqizo kanye nezindleko zokulungisa eziphakeme. Ngaphezu kwalokho, ukuchayeka kumakhemikhali anobuthi kungabeka impilo yabasebenzi engcupheni.

Ngokuqinisekisa ukugcotshwa okufanele, abaqhubi bangandisa kakhulu isikhathi sokuvala futhi bathuthukise ukusebenza kahle.

Yenza Ukuhlolwa Okuvamile

Ukuhlolwa njalo kwezivalo zemishini kubalulekile ekugcineni ukusebenza kwazo nokwandisa isikhathi sokuvala. Lokhu kuhlolwa kusiza ekutholeni izinkinga ezingaba khona ngaphambi kokuba zikhule zibe ukwehluleka okukhulu. Abaqhubi kufanele basebenziseindlela ehlelekileekuhlolweni, kugxilwe kokubili ekuhlolweni okubonakalayo kanye namasu okuxilonga athuthukile.

Amasu Okuhlola Anconyiwe

• Ukuhlolwa Okubonakalayo: Yenza ukuhlolwa kwanyanga zonke kokubona kwezicelo ezibalulekile. Bheka izimpawu zokuguguleka, ukuvuza, noma ukungalungi kahle.
• Ukuqapha Amapharamitha Okusebenza: Landelela amazinga okuvuza, amazinga okushisa okusebenza, kanye nezimpawu zokudlidliza njalo.
• Amasu Okuxilonga AthuthukisiweSebenzisa amathuluzi anjengalawa:
  • Ama-Borescope okuhlolwa kwangaphakathi
  • Imishini yokuthwebula izithombe zokushisa ukuthola ukushintshashintsha kwezinga lokushisa
  • Abahlaziyi bokudlidliza ukuhlola ukuzinza komshini
  • Izinhlelo zokuthola ukuvuza kwezimpawu zokuxwayisa zakuqala
  • Izilinganiso zobukhulu be-Ultrasonic ukuhlola ubuqotho bezinto ezibonakalayo
  • Ukuhlolwa kwamanje kwe-Eddy ukuthola amaphutha ebusweni

Imvamisa Yokuhlola

Ukuvama kokuhlolwa kufanele kuhambisane nokubaluleka kwesicelo. Ithebula elilandelayo lichaza izikhawu zokuhlolwa eziphakanyisiwe:

Ukusebenzisa uhlelo lokulungisa olubikezelayo kungathuthukisa kakhulu ukunemba kokuhlola. Izitshalo ezisebenzisa izinhlelo ezinjalo zivame ukufeza i-Mean Time Between Failures (MTBF) yezinyanga ezingu-48 kuya kwezingu-80. Isibonelo, indawo yokuhlanza egxile ekuqapheni isimo ithole i-MTBF emangalisayo yezinyanga ezingu-100.

Izinkomba Eziyinhloko Zokwehluleka Kwesivalo

Ngesikhathi sokuhlolwa okuvamile, opharetha kufanele babheke izinkomba ezithile ezibonisa ukwehluleka kophawu okungenzeka:

• Izinkinga ezihlobene nokugijima okomile
• Ukungahambisani kwe-elastomer okuholela ekuwohlokeni
• Ukungahambisani kobuso ngenxa yezinhlayiya eziqinile ezingena esikhaleni sesivalo
• Ukushisa ngokweqile kusukela ekudluleni kwezinga lokushisa eliphezulu kakhulu

Ngokwenza ukuhlolwa okuvamile, abaqhubi bangaxazulula izinkinga ngendlela ephumelelayo, ngaleyo ndlela bandise isikhathi sokuphila kwe-seal futhi bathuthukise ukuthembeka kwesistimu iyonke.

Ngamafuphi, ukwandisa impilo yesevisi yezimbobo zomshini kuhilela imikhuba emihlanu ebalulekile:

1. Qonda izimo zokusebenza.
2. Qaphela izimbangela zokuguguleka.
3. Nciphisa ukudlidliza.
4. Qinisekisa ukuthi i-lubrication ifanelekile.
5. Yenza ukuhlolwa njalo.

Ukulungiswa okusheshayo kudlala indima ebalulekile ekuthuthukiseni ubude besikhathi sokuvala. Kunganciphisa izindleko zokulungisa cishe30%futhi kunciphisa kakhulu isikhathi sokungasebenzi.

Ukusebenzisa le mikhuba akugcini nje ngokuthuthukisa ukuthembeka kwemishini kodwa futhi kunegalelo ekusebenzeni kahle okuphelele. Ngokubeka phambili lawa masu, izinhlangano zingaqinisekisa ukuthi izivalo zazo zemishini zihlala isikhathi eside futhi zithuthukise ukusebenza kwazo.

Imibuzo Evame Ukubuzwa

Kuyini uphawu lomshini?

Isivalo somshini siwumshini ovimbela ukuvuza koketshezi phakathi kwezingxenye ezijikelezayo nezimile emshinini. Siqukethe ubuso obubili obudala isithiyo, okuqinisekisa ukusebenza kahle kwamaphampu neminye imishini.

Kufanele ngihlole kangaki izivalo zemishini?

Hlola izivalo zemishini njalo ngokusekelwe ekubalulekeni kwesicelo. Ngezicelo ezibalulekile, hlola njalo ezinsukwini eziyi-10. Izicelo ezibaluleke kancane zingadinga ukuhlolwa njalo ezinyangeni ezintathu, kanti ezingabalulekile zingahlolwa njengoba kudingeka.

Yiziphi izimpawu ezivamile zokwehluleka kophawu?

Izimpawu ezivamile zokwehluleka kwesivalo zifaka phakathi ukuvuza, ukushisa ngokweqile, kanye nokudlidliza okungavamile. Abasebenzi kufanele futhi baqaphele izimpawu zokusebenza okomile noma ukuwohloka kwezinto, okubonisa izinkinga ezingaba khona ezidinga ukunakwa ngokushesha.

Ingabe ukufakwa okungafanele kungathinta impilo yesivalo?

Yebo, ukufakwa okungafanele kunganciphisa kakhulu impilo yesivalo. Izinkinga ezifana ne-torque engalungile, ukungcola ngesikhathi sokuhlanganiswa, kanye nokungalungi kahle kungaholela ekugugeni okungalingani kanye nokwehluleka kwangaphambi kwesikhathi kwezivalo zemishini.

Yiziphi izinto ezilungele izindawo ezinzima?

Ezindaweni ezinzima, izinto ezifana ne-PTFE ne-Hastelloy zilungele kakhulu ngenxa yokumelana kwazo namakhemikhali. Ukukhetha izinto ezifanele ngokusekelwe ohlotsheni loketshezi kanye nezimo zokusebenza kubalulekile ekugcineni ubuqotho besivalo.