Isikrini esivutha siPolyurethane ngaphandle kwezikhathi ezitradisheni

Kungani Isikrini Sokudlidliza Se-Polyurethane Singcono Kunezingcingo Nezitini Zendabuko

Ukumelana Nokugqoka Okuvelele Nempilo Engaphezulu Ka-23×

Amasikrini e-vibrating atholakala kwi-polyurethane ayigqamisa ngokuthi angcono kakhulu ekulindeleni ubomi bokusebentisa kunazo zonke izinto ezinye. Ayenziwa ukulindela ukugayaya, imiba yokungena kwegazi, nokuthinta okuphakade okuthiwekayo emsebenzini wokuprosesa imikhumbi lapho izivivane ziphakeme kakhulu. Ngokwaleso sibonelo esitholakala ngempahla yomthombo, lezi sikhathi zihlala zilala phakathi kwezingu-2 ukuya ku-3 noma kangakanani uma zisetshenziswa kumisebenzi fana namaqondo. Isizathu sokuba zilindele kangaka kungukuthi i-molecules ze-polyurethane ziyinxalenye enobuchopho. Le buchopho kubenza kube yisimo sokuthatha iziphazamo esingenakuhlaba phansi ngokuphindaphindiwe. Kuma-opereyitha weplant, lokhu kusho ukuthi kuzocwangcwa ukubuyiselwa kwizikhathi eziningi. Ukubuyekezwa okuncane kusho ukuthola imali emancane kumaqashi wokulungisa, ukuncipha kokudinga kwebhodi yezinto ezibalulekile, nokuthi kubaluleke kakhulu, ukuncipha kokulima komphakathi ngokungafani kwalokho kuthintile.

Isayizi Ebalulekile Ikhlinza Ukungashiyi Futhi Iyenzela Ukucula Ngokujabulisa Kwizimboni Ezincane Noma Ezinemvelo

Amaphakheji ase-polyurethane ayidingi njengalezi ezenziwa ngokungcolile kwezintshukumo noma iwire. Xa esebenzisa, umlango waphakelwa futhi uhambe, wakha izivibrhesi ezincane ezithintela konke okudonsile. Inqubo yonke ihlangana njengesimo sangaphakathi sokucula, isebenza kakhulu kuzinkinga njenge-pegging ne-blinding. Lokhu kubalulekile kakhulu kumsebenzi ophatha igolide ebalulekile, ubuqu bezinkunkuma zemveli, noma amakhemikali anconywayo kakhulu. Izilimi zonke eziphathelene naleli qembu zazithola izindlela zabo zokuphila zihlanjwe ngama-40% kunazo ezenziwa ngamakheshi. Ngaphezu kwalokho, lezi zikhethi ze-polyurethane zizokugcina iqiniso lesona sikhala phakathi kweminyaka engu-1 emuva nengu-1, azidingi ukuthi zishintshwe ngokushesha ngoba kube khona okunakekayo kuzo.

Ukumelana Ngokwesifazane Nokuthibela Kwe-Vibration Ukulula, Ukusebenza Okuncane

Ukusebenzisa i-polyurethane endaweni yesikreningi sezilishwa kusungula ukwenza ingcobo phansi kwe-15 kuze kube-20 dB(A). Lokho kumele kuguqulwe kuyindlela eyodwa ekhomba khona xa kufanele kugcinwe ukweseka kwabasebenzi nokufihlakala kwezivumelwano eziphephethene. Okuthi kusabalaleni kuyindlela ethembekile kangaka. Ubunzima beviscoelastic bekhethelela yonke le nergi yokuhlwanya enguquguquyayo, okunceda ukuvikela ukukhanya kwe-harmonic resonances kusikreningi. Ngokuphindaphindileyo, lokhu kusho ukuthi kukhona isimo esincane kohlelo lwakhe. Kunye, lezi zihlwane azizange zithunyelwe kakhulu kuzinyathelo zokuxhasa, okusho ukuthi izibhedele zilindele ngokude futhi akudingeki ukulungiselela kakhulu. Sisibona sasebenza kahle kakhulu emakhaya apho ukubamba ingcobo kuyamandla kakhulu, cabanga emashishini okuhlola imithi noma emakhanda amakhulu ekuphatha izinto ezibalwayo apho izixhobo eziqukethe ngcono zingaba yinkinga kakhulu.

Izingxenye Ezilungile Zesikreningi Esidolobheni Emehlweni Emandeni

Ukuphazamiseka Kusa Ngokugayaya, Ukuciphwa, Nenkohlakala Ekugcineni Amathuba Angqibelela

Iwire mesh ne-steel screens ayisilapha xa ikhona yintuthuko yesandla, i-slurries ezicopheya, noma iqinile kumathuba amafreqensi aphezulu. Ngemva kwesikhathi, inkohlakala yemitholiso iyaka izihlangothi ziyekwe namanqa ukuphula. Ngakuleyo, izixwayiso zechemical zongezisa ukuchithwa kweyuso nokuhlunga kwebumba. Kakhulu kwezimali zemvelo, kudingeka kubuyiselwe izihlangothi zonke phakathi kwamahashi atholu kuya kushumi amahasi ayisithupha. Lokhu okubuyiselwa ngokudlule kufundiswa khona kusenzo isimo, ngebazothatha ngaproximately $740,000 ngonyaka ekuzulazoleni ngendlela ekuqukethweni kukaPonemon Institute ngo-2023. Isteel ayawenziwa ngempela ukuba ibambe kakhulu iziphindziso ngoba ayinakho le elasticity yokumolekula esingatholanga ukuthola impilo. Lokhu kwenza izinto ezivamile zesi steel zibe nzima ekuvikeleni phakathi kwezimo ezinzulu.

Ukuphakama Okuphakade Kunoma Ukuthutha Ngenkathi Kunezinkinga Ezincane, Echazimunini, Noma Epholile

Xa umlilo uphakama kumanzana amancane, akhiwa izinkinga ezinkulu kumgcinabo wokucaca obukhali. Izinto ezincane ezaphansi kwe-2mm zizodwa kuzindiza, into engaziwa ngokuthi ukuphakama, ngelikha izinto ezichazimunini noma ephathekayo ziyophatha kumetshako futhi zithutha ngexesha. Abasebenzisi abaningi bakhona ubumnene babo buhlelela phansi kusuku lwangama-30 kuze kube ngu-50% kamva kokusebenza lezi mgcaba ngokuphambene kuphela kungama-8. Isisindo esifanamandla sikhetha ukucula ngendlela yokucula ngamaphepha okushisa noma imigwebu yemfudume, kodwa lokhu kufakazela kuyadinga ukulahlekelwa kwamagumba omgcobo futhi kwenza abasebenzi bahlupheke. Kodwa, amagumba emfudume ayephula okuthile okubalulekile - ayehluleka izimo ezinelastika ezidingekayo ekuxhaseni ngokuzenzekelayo okwenzela ukuthi amagumba apholile ahlukane kangaka ngempela.

Ukulinganisa Isebenzo: Ubunzima, Indawo Evuliweyo, Ne-Hlamvuzana YokuLayisha

Indawo Evuliweyo Yokuziphatha Ngexesha Iyahlola Ubunzima Obuphathelene Ngexesha

Amaphaneli a-Polyurethane ayagcina kakhulu isimo sasendaweni yazo ngeminyaka noma kube yizimo ezikhulekile futhi nezinkinga. Leli phaneli linamandla okuphinde kabusha emva kokuthakatha ngokuphindaphindi ngamathuba, okwenzela ukuthi akulungiseleli njengoko kusenziwa yi-steel nesiya se-wire mesh ngemuva kwesikhathi. Isiphumo? Ukusebenza okuhle kangaka kusuku olukhulu kunesiminyaka esibini noma kude kunesithupha kusuku olukhulu kusuku olukhulu lokunikezela amathuba ngendlela ethile kunazo zinye izinto. Sibonile le miphumela kakhulu emazingeni apholile kakhulu ezenziwa ngayo izinto ezidluliselwa ngokwehlukahle noma ekugcineni i-iron ore, lapho kubalulekile kakhulu ukugcina amaphansi angcono ukuze kube lula ukusebenzela.

Uguidi Wokukhetha Ngokwezindleko: Polyurethane vs. Steel Kuma-Abrasives, Umshwelo, Nama-Fines Feeds

Kumakhasi apholile, amakhuni (isb., izikhwama eziningi kune-10mm), igunyana lisikhetha esihle ngokwezimali. Kodwa, xa kusebenziswa kakhulu kakhulu (<5mm), amanzi amakhuni, noma izinto eziphazanywayo kakhulu (isb., ikharithi, ithakonayithi), ipholiyuthenu ayinika amathuba amakhulu kunamandla:

Ngaphezu kwalokho, izici zokuphazamiseka kwegesi polyurethane ziphazamisa ukusabalalisa kwesikrini nge-40% emsebenzini phezulu kwe-frequency—kunikeza ngakumbi ubude bebusika nokuthembekile.

Igogogo Elingenye Lonke: Ukulinganisa Inani Eliphelele Lokuqukethwa Kwe-Screen Yokusinda Egxilwayo Polyurethane

Kungenzeka ukuthi izixhobo ze-steel zibonakala ezincane ngokwanqanaba, kodwa xa sibheka umfanekiso wonke phakathi kwesikhathi, i-polyurethane isebenza kahle ngokomlando. Izivivinyo zomsebenzi zombuso zibonisa ukuthi i-polyurethane ibala ngama-22 ubusika xa isetshenziswa emisebenzini ye-iron ore, okuyisikhathi esingaphezu kuka-5 ngenkathi i-steel isetshenziswa kuphela ngama-4.3 ubusika ngenkathi. Uma sibhedla lokhu kuze kube yizikhathi ezingu-5, izindleko ziyoba ngu-$0.03 ngaton ebaleni ne-$0.11 ye-steel media—lokho kushintsha izindleko ngamaphesenti angu-67. Iziphumo akazange zikhiphele lapha. Sibona amadola abalulekile ekubeni kudingeka kwenzeke ukuguqulwa kancane, futhi ukuzivikela kwezinkinga ezingavunyelwayo. Izindleko zomsebenzi zilula ngoba abasebenzi bakhetha ixesha elincane ekucingeni nokuguqula izinto. Amadola wamandla aphezulu futhi ngoba i-polyurethane ayakhi isa vibration resistance ngexesha lokusebenza. Kanti manje asijolise ukuthi kungakanani ukudweba kumeleli yonke imithombo. Umdla wasekuhlaleni uqinisekisa lokhu ubonisa ukuthi i-polyurethane ingakhusela izindleko zokuphatha ngamaphesenti angu-40. Kuye kube yini ongahlali nomsebenzi omuhle, ukuguqulela ku-polyurethane kwenza ukuthi kwenzeke ukuthola amaphesenti okungcono.

Isikhombisi Sokuqala

Kungani amashini ase-polyurethane anaphakade kangakanani kunamashini ase-steel?

Amashini ase-polyurethane ahlangulwa ngizimu ezilandelayo ezingavaleki lutho kusabela, fomatha inqubo yokuphakama ekuphileni okuphindwe kabili noma kathathu kunamashini ase-steel emehlweni mifanekisene.

Ukuthini okwenzeka ukuthi amashini ase-polyurethane akwazi ukukhushela ukungabonakali futhi azamelela ekucaciseni?

Ubunjingi bokulula kuka-polyurethane buvakala amashini ukuthi ashintshane neyonde, kuthola izivibrheshi zimfushane ezithulasela izinto eziphakathi, yenza indlela yokucacisa ngokwalo iyisidingo esikhethekile kumafutha amancane nemichiza.

Ngaba amashini ase-polyurethane angakusa izindleko zemisebenzi?

Yebo, ukusebenzisa amashini ase-polyurethane akusa izindleko zemisebenzi ngaproximately 15 kuze kube ngu-20 dB(A), lokhu kungelapha futhi kungcono kunamashini ase-steel ngoba zenziwe ngamagugu abalulekile.

Ngaba amashini ase-polyurethane afaka izinkundla ngokulinganiswa namashini ase-steel?

Amashini ase-polyurethane aphazanya kakhulu izindleko zakho zempilo ngokuba aphila mpindwe yangama-5 futhi apholake izikhathi eziningi, kuyeka izindleko zombini nomsebenzi womsebenzi.