I-Mesh YasePU: Ukubandakanya kwakhona kwezimali zokucaca

Ukuthuthuka Nokufaneleka KweTeknoloji YeMesh YasePU

Kusuka KuWire Ochasiswe KuMesh YasePolyurethane: Ukwanda Okukhulu Kweteknoloji

Imisebenzi yokuhlola kuyeza kuthiwa kushiyela izihlangukazi zezithuthi ezigcwele ku-PU screen mesh uma baphazanyiswe njengoba zingakanani izimpendulo ezantula. Izihlangukazi ezantula zezithuthi zilahleka kakhulu - zishayela ubunzima babo ngaphezu kuka-30% emva kweminyaka engu-2 kuphela xa zisebenzisa nezinto eziphazamisekayo. Kanti futhi, kungakwenzeki ukulahlekelwa okuphakade kokugcwaliswa okwenza amathambo kuphela $740k ngayinyanga ngokuphindwa kukaPonemon ngo-2023. Ngokothuleyo, ipolyurethane inemodi enjalo eyinhle ethinta ukuthi ibe yisikhathi esiphindwe ku-4 ku-6 kunazo ezinye izithuthi zezincwadi. Okunempela kakhulu kukuthi lezi zihlangukazi ze-PU ziqhubeka nokuhlolwa kwezinto ngokucophelela ngaphezu kuka-92% ubunzima phakathi kwesikhathi eside, lokho okubekwe khona ngemizamo ebekwe ku-Mining Technology Report ngo-2022.

Izindlela Ezibalulekileyo Emandleni Ukuthuthwa Kwama-PU Screen Mesh

Izinto ezintathu ezenza ukuthi kube lula ukuguqulwa kuma-PU screen mesh:

• Ukuziphatha : Izinhlelo ezinhle zokukhathala kwezizinda zihlenza ubude bezinhlalo ku-12–18 izinyanga emashishini ekulawuleni amagugu, okungaphezu kwebude lezinyanga ezingu-3–4 yezinkampani ezinzima.
• Ukusebenza Kwezindleko : Noma kunjalo ukuthenge kokuqala kube phakade ngu-20–35%, izikrini ze-PU zilahlela isilinganiso sokushintsha nge-67%, futhi zibeleke kakhulu izindleko zomlando wokusebenza (I-Journal ye-2023 Mineral Processing).
• Ubungakhiwo : Amagereyide adonsela kwezimali ezingenaphi ephindwe ku-2 ku-13, futhi azisiseko lokusebenzisa kumahlaza nemithi enezinhla.

Ukuthini Okukhathala Kuyalungisa Kanjani Ubude Bezixhumanisi Zokuhlola

Umboniso wokuthinta kwe-PU kuvumela ukuthi kubeke iphasiwedi engaphezu kuka-40% kungeka sekhani futhi kuhlale khethekile kakhulu kuma-particules atholakala kuso. Ukuhlaziywa kwebomuwezi okwenziwe ku-2024 kwakubonisa into ethintekayo futhi. Amaphethelo ase-PU aphila kahle ngokuphindaphindi, akhombisa ubunzima be-phasiya noma ngapha kabili ya 0.1 mm noma emva kokusebenza ngqo amahora angu-5,000. Lokhu kuyisikhathi esingu-5 sengaphezulu kokuqondene nokuba kusenzeka ngezinhlelo ezifana ne-rubber. Uma kufika ekusetshenzisweni kwempilo, ikakhulukazi kuzo zonke ezinobudlelwane obuncane ngesilinganiso phansi kuka-325, lo hlelo lomlando lubangela ushintsho olubonakalayo. Ukuncipha kwezinkinga eziphansi kuzo zonke izinto eziphansi kungama-19%, lokhu kusho ukuthi izindiza eziphansi zihlala ziqinisekile kuzo zonke izinkampani.

Umvuzo Wodatha: I-Benchmark Yezinhlelo Zokuhlaziywa Zasehlabathini 2023 (n=127 imithambo yeminingi)

Ubukhona Bokuphila Ngokudala Nempahla Yophethelo Lwe-PU Screen Mesh

Ubukhona Bokuphila Ngokudala Kwezinkawu Ze-PU: Idatha Kusuka Kuzivikeli Kwemvelo

Izivikeli emhlabeni kubonisa ukuthi inkawu ye-PU ingakha phakathi kwekhiwa nezimbili zingaba ngaphakathi kwamashumi amathandathu noma ayishumi na-ncane ngaphezu koko okutholakala ngokuvamile kumaterial ezinhle. Ngokomzekelo, imigodi yezinkundla ephansi kaseNingizimu Afrika lapho lezinkawu ze-PU zazisabela ngokuphambene kangaka ngaphezu kweminyaka eyishumi na-bhulu ngokugcwele. Lokhu kusho ukuthi akukho kudingeka ukulilungisa kabeshwa ngoweekhiwa ezimbili njengalokho kudingekayo ngama-woven wire meshes angaphambilini ngantso ya Mining Technology Review engu-2025. Abasebenzisi bezimali bakhumbula into ethembekile kakhulu futhi: kuphela kwezingu-60% kuze kube ngu-75% kudowntime xa kuhlaba ngendlela engavunyelwanga, kunye nesilingo esingaphansi kwezimali zokuhlela. Kungani? Ngoba i-PU inakekela ukuchithwa nokuhlaba kahle, ibeke isimo nesimilo sasemoyeni nangenkathi ikhululwa kuzinkinga eziningi.

Ukukhathazeka Ekuvikelweni Kuzimali Zokuvikela: Ukufika Phambi KweSteel NaweRubber

Ukuhlaziywa kubonisa ukuthi isikrini sase polyurethane sihlanza ngokugcinane kangaphakathi kabili kunomaqhuba angaphezulu, futhi libaleka ngaphezulu kakhulu kunerabha ngaphambi kokulahlekelwa. Isilinganiso sesithuthi sezinhlayiya sikhomba ubunzima phakathi kwe-85 ne-92 esikoleni seShore A, kodwa sikhombisa ukuthula okwanele ukuhandlinga lezinkinga eziphakeme ngaphandle kokuchithwa. Xa kusebenziswa ekususweni kwegalasi, i-PU iphumelela nje nge-0.08 grams ngalokhanda elilodwa, ngaphandle kwalokho i-steel iphumela ngama-0.25 g/cm³ ngeminyaka eyizolo njengoba kuchazwe ezinjini zomlando ze-Materials Performance Journal.

Izisolutions zokususa ukucindezelwa kumathuba aphikisanayo

Isikrini senziwe ngapholiyuthayini ayikhululi njengaleyo yamakhono, ngakho-ke ihlinza konke lokhu kudingeka kuzinzuzela izinto ezibalulekile. Sikuxoxa ngezinto ezithile njengeziphazamiso ezigcinwa ngokukhula, izisikrini ephulaphula xa zihlaba nezimali ezenza umsindleko, nokuthi kuhlangene kwe-electrostatic ekungcono ngemeleli yokusika isikrini. Emva kwezinyanga ezishumi na-wuphumi kuphela kwemisebenzi, i-PU isilungile kangaka kusengapho kwebomu, kodwa ubhadhara buyakha imbono yokuqashiselwa ngaphezu kuka-15 kuze kube ngu-30%. Lokhu kwenza i-polyurethane ibe yisicelo esihle kakhulu kumzimba ongcolile njengezemisebenzi yokudonsa emanzini amanzi noma embangalala yezinhlela apho amanzi ayenzeka ukuba inhliziyo yayo ingaphansi kuka-4.0. Leli gama lingahlahla kakhulu izisikrini zamanzi kodwa alinakwenzela into eyodwa kusikrini se-PU.

Igastosha Ekugcineni Ngaphambi Kwayo Ngaphakathi Kweenguquko Ezingcono: Isicabango Sempendulo Yesebenzisa Isikrini Se-PU

*Ngasemini eleyi 100 ft² yendawo yokuthintana, kufakwele izinto, umsebenzi, nokuphula (Inhloloko Yamanje 2025 Yezimali Zomphakathi Wokunyola)

I-PU inikeza isiphazamiso sekhosti se-59% kunye nese-44% kuningi kumrubhi ngokuba ubomi bangezantsi, ukuncipha kokulungiswa, nokusebenza okuphathelene—lo mina izinga lokuthengiswa kwiizikhundla ezintsha zokwahlulahlula izinto (Imithetho YokuThinta 2025 Yaphakade)

Ukusebenza Okuhlelweyo KokuThinta Ngokulungiselela Ngokucophele

Ubungakanani Beklasi Yezinto Ekusebenzeni Komphakathi Wokunyola

Isikrini sangaphandle sika-PU sebenza kahle kakhulu ngoba sinquma izikhungo ngendlela efanayo futhi libaluleke kabanzi ekuvuseleni xa kusebenta. Ukuhlaziywa kwempilo kubonisa ukuthi kusebenza ngendlela efana no-20% engaphezulu kunazo ezinhlelweyo zezikhungo zemeshi yesimantu. Lokhu kuhlaziya kakhulu ngoba amaphakathi angaphansi anqunyulwa endaweni eyayidingeka emva kokuskhola. Okwenzela ukuthi i-PU ibe yinto eyodwa yileyo iyashisa kakhulu ukuze ikhuthaze izigaba zonke ezimbhalambhalasayo ngaphandle kokuthi ithintele. Ngaphezu kwalokho, lezo ncazelo engezansi zizivikela ukuthi amaphakathi aphansi akhuphuke phezulu esikhungweni sakamuva lapho kusebenta, lokhu kuvikela ukuthi konke kube lula ngemuva.

Amasikrini aPhakeme Othini Lwesikhathi SeUrethane: Khiphamisa Inani Lokugcina

Amashini ase-polyurethane anethemba kakhulu ekususweni kwendlela ephindwe kabili esinikeza indawo evulekile kangaka ngaphezu kuka-25 kuze kube ngu-40 okulinganiselana kunazo ezintfangalalo zezithuthi. Isiphumo esihlukene kumhlaba wasebenzi kubalulekile uma ubheka izilinganiso zokuphumelela. Ngokomdla, ibhodi ye-PU enezinguqu ezimbili nge-6 kuze kube ngu-16 ebophephetha phakathi kuka-380 kuze kube ngu-425 amathoni ngosuku wezibuko eziphakeme ezingu-3/4. Lokhu kuhlukanisa kakhulu nokuba amashini asetshenziswa yisithuthi anake amathoni angu-290 kuze kube ngu-320 ngosuku. Kungani lokhu kufakelwa? Ukuguquguquka kwebhodi kudlala indima enkulu lapha, kuyakugcina lezi ziphazimulo ziqinile noma uma kukhona iminyaka engcono. Sikhuluma ngamaloadhi angepheleli kuma-1500 ipha ngasuntyantya ngaphandle kokulahlekelwa komsebenzi.

Ukucaca Kwesikhangeli Esincane (Usuke Ku-325 Mesh) Ngokulungiswa Okuphathelene

Amaphutha aprecisha-kuhwebo ase-PU agcina ukungabi khulu kune ±0.002’ kuyo yonke indawo yesikrini, ekumelana nokwahlukaniswa okuphathelene komthwalo ongaphansi kuka 45–75µm—okubalulekile kuzokwenzela ukutholakala kwamathambo endustri. Izindawo ezizungezileyo zeziphango zemphutha zilahlela ukugcogca kwegazi elinemilinga efanayo ngemva kokuhlaza kwe-sikrini ngenkathi ethinta kakhulu.

Izici Ezivikelwa Ukucindezelwa Kwisikrini: Ukuqinisekisa Isikhathi Sokusebenza

Izihluko zase-PU ezingavuki manzi zilahlela ukudluliswa kuka 67% kunerabhi emasiningeni apholile. Usizo lwesimiso esithintekayo kusikrini esigcinwe kusenza kube khona izivibrhesi eziphezu kakhulu ezisusa izinto ezibuyayo, zibuyisela futhi izindawo ezivuliwe kangaka kakhulu (95%) kusuku oluthile oluphakeme kakhulu kuka 8,000–10,000 emasiningeni amaningi njengezokulahlaza komthwalo.

Ubunzima Nezimalelo Zohlelo Lwe-Sikrini Lwe-PU Ngokulinganiselwa Kwizimo

Kusetshenziswa Emasiningeni Nemasiningeni Apholile: Ukwadaptwa Kuzimo Ezahlukene

Isikrini sasekhanda sangaphakade sihle kakhulu ekusebenzisweni kwemithwalo yeminerali ngokusebenta futhi ekugcineni imithwalo engaphathelene. Isteeli inyakaza uma isetshenziswa emandleni, kanti iguba libonakala ngokupheleleyo emasimini amuhle, kodwa PU lisohlala njalo ngaphandle kokuthintana nokuthi kufezekile nini. Indlela iPUsibambezela amanzi kusho ukuthi izinto azizange zilahle emisebenzini yamanzi, kodwa lishiyela ubunjingili uma kususelwa manzi. Lokhu kuyakha i-PU isikrini kakhulu ekugcineni imithwalo yeminerali yesidlalo futhi emagangeni okulungisa ikholi lapho kubalulekile ukukhuphula izici zingavumelekile futhi uqiniseke ukuthi sizizwe esifanayo kakhulu ekubophekeni.

Umbiko wohlelo olwahlukileyo kanye nesikhathi esingcono sokunikezelwa kumashine ezitholakalayo

Abakhi belapha bese bendiza kula mafutha aqashelwe ngamathululi akhokhelene okufuneka kakhulu atholakala ezintshukumeleni zvibrating nezintshukumela zasekuhluphekeni. Okubalulekile kakhulu kumphathi wesisithuthi kukuthi lokhu kufaka kakhawuvini kangakanani. Sikhetheka ukuthatha ixesha elincane ngama-40% ekufakeni kulo mafutha kunokwenzekayo ngezinhlelo ezivalelwe ngemigobo, futhi akukho xhumano okomnxeba wezihlangothi. Izinkinga ezivamelekile zamagwebu nezigaba esimilo esihle sikhokhela kusho ukuthi abasebenzisi bangayilanda iziqhamo ze-PU ngezinhlelo eziphambene apho kube khona imiba yokugcina endaweni ethile yesifunda. Lokhu kuguquguquka kwenza ukuthi izigaba sokulungisa zibe yindebe ngokujulile kusasa olunjalo noma kumahluko.

Ukuguquguquka kwe-Screen Mesh Ngokuthi Kudingeka

Umboniso wokuthwala kuka-polyyurethane kusinika abasebenzisi izinhlelo eziningi xa bakhetha izinhlelo zokuhlola. Bangakulungisa izinto njengezikhathi zezimbono—okuhle kakhulu kusekelwe ku-sqware, ku-slotted, noma kwezihexagonal—ngaphandle kwalokho ubunzima bezomthwalo okuthiwa kusukela ku-55 ukuya ku-95 Shore A kanye nezinkomba eziphakanyayo kusukela ku-10 kuze kube ku-50 milimita ngokulinganiselana nokuthi yiziphi izimbo ezidinga ukugcinelwa futhi ubude bengathi bube yini phakathi kwesilingo. Sebenzisa isibonelo esisodwa sokusebenza: emuva wemigodi yesilofosfete eFloridini, abasebenzisi babona ubukhazimulo babo babuyelela ngaphezu kwezingu-12 izinkinga ngemuva koku guqula kumachiningo akhiwe ngendlela eyodwa engu-2.8mm angaphansi njengamathambo angavaleki ngamathambo athintekayo. Xa kuchatshwa nezinkinga zezimbono, kukhona futhi ibandla elikhulu elitholakala. Kuzindleko ezinzima lapho amathambo amakhulu afanele ukuthuliwa, kufaneleke ukuthi kube ngu-15% kuphela, kodwa kuzindleko ozinzima njengokuhlukaniswa kwe-silica sand kudinga okufana no-45%. Ukuthola indawo efanele phakathi kwebude lezinto zibaluleka kungoba zibaluleka kangakanani ngosuku lwesimo kubalulekile kakhulu.

Ukuziphatha Kwasebenzini: Izikhathi Zokufakazela kanye nesindleko Yokuqasha Kwe-Polyurethane Screen Mesh

Isikhathi Sokufakazela: I-Polyurethane Screen Mesh Ethathe Iziphetho KuMboni Wemvelo Yekopere

Umphakathi omkhulu wokuphatha ikopere wabeka amashini ase galezi ngamandla ayeselwa ngu-PU, wafika ekunikezeni okwengeziwe kangaka 40% kumgwa kanye nokuthintana okuncane kabusha kwamandla (iminyaka yomshado we 2023). Amashini ase-PU aphila kakhulu ekugrada kakhulu emehlweni enempela futhi ukukhululwa kwazo kusinda izinkinga ezigcwele ezithintekayo emjondolweni enempela.

Ukuncipisa Isindleko Kuphela Ukuphatha Emsebenzini Phakade

I-PU screen mesh inika isindleko ngendlela eyisithupha:

• Ukuphuma Kwesikhashana Esidingweni : Iphepha phakathi kwe-3–5 kunerabha emsebenzini wokuphatha umthubi
• Ukuncipisa kokusebenza kwamandla : Ine-15% ngaphansi kwegalezi, likhulula ukulahlekelwa kwamandla wokuvibrata
• Ukuphatha okuncane kakhulu : Akudingi ukulubricate, ngaphandle kwamandla asetshaleni

Abasebenzisi basekhaya lokwakha ikhampani balibala kakhulu ukusuka ku-300 amahora okusebenza ngokuphambene phakathi kwezikhathi zokucula—kuphinde kube yizilinganiso ezimbili zezikhathi eziyisendle.

Ukusabalalisa KweNkinga Ekubonakaleni Kwamathuba: Uhlaziywa Lwe-ROI

Nakuba ikhanda le-PU litholakala ngokuthenga okuphakade kungaphezu kuka-2.2 kunamatheba athile, izindleko zakho zonke zizoba nemiphumela embulali ngaphakathi kweminyaka engu-8–14. Isifundo se-ROI se-2024 esenzelwe kumisebenzi eyi-17 ibonisa:

Ubude bezinhlalo nezidingo eziphathelene nokubonakala kuzobeka izikhathi zokuhlala ngezansi kwezimbini, nezindleko ezenzekelayo ngonyaka ezingu-23–35% emva kwalokho.

Isikhombisi Sokuqala

Uyini umbhobho weshidi we-PU?

Ishidi ye-PU (polyurethane) iyisithwala esihlanganisiwe ku-polyurethane, esitholakala ngokuthula kwayo, ubunjingi, nokusebenza kahle emsebenzini wonke lobuchwepheshe.

Kungani ishidi se-PU sithandwa kunamathele aqhubekayo?

Isiphiwo se-PU sihla 4-6 izikhathi ngaphezulu kwe-steel, sinezizathu ezihambe ngaphezu kwesibindi nasekuphazini, kwaye libeze inxalenye engaphezulu kuka-92% yesakhiwo semiphumela ngexesha lonke lwexesha lakhe, nakuba akunakoyile.

Ziyintoni iindlela zokunceda imali xa usebenzisa ishidi se-PU?

Nangona yimali aphakade, ishidi se-PU siyancipha ukubuyiselwa ngama-67%, siyakhupha uxesha olungahamba ngama-60-75%, kwaye siphawule amanzi okusebenza aphantsi kuka-59% kunye ne-steel ngexesha eliqinisekileyo lokusebenza.

Kuphi kumzimvundi ishidi se-PU siyasemthenjini kakhulu?

Isidi se-PU sisesemthenjini kakhulu kumzimvundi ongcolileyo njenge-dredging yenyuva, ukusebenza kweenyuva noma i-alkaline, ukusebenza kweminerali engeyiyo, kwaye ukwahlulwa kwegumbi ezimtime.