Indima Yomthwalo Wombanelelo We-Screen Media Kwi-Performance Ye-Screen Eya Polyurethane

Indlela Omthwalo Wombanelelo We-Screen Uyenzela Indlela Polyurethane Ithinta Kanjani

Umdo wokuthunyelwa komthwalo kwi-screen media ye-flex-mat polyurethane

Okumkhuba kwebhodi yesikrini esenziwe ngapholayuthane kudinga ukulahlekelwa okulinganiselwe kakhulu ukuze kugcinwe ubuchopho ngenkathi kusebenza. Okukhanya kulolu bongo lula kungalo iqondo lakho elikhanyayo elivumela ukuthi uhlelo luhambise ngokushesha emhlabeni wakhe. Lezi i-polymer ezihlanganiswe zinhlanza zilahla uhlelo eziphindaphindini apho isidingo sikhula. Uma konke kubekwe ngempela, okuqala njengamabhodi amancane athutha kuthi kuthole impendulo yezivimba, ihlenzele ukuthi wonke indawo yomthwalo ivakashe umsebenzi ngendlela efanelekileyo. Uma ukulahlekelwa akulungile, izindawo ezithile ziyagcina kakhulu futhi zibonakala njengazo zizindawo ezinezinkinga esibuzwa ngazo njengezindawo ezikhanya. Ngaleso ndlela ukulungiswa kokufaka kubaluleke kakhulu ekugcinweni kweminyaka yokusebenza.

Ukungcolana kwezimali ezihlukahlukene kumabhodi apolayuthane ahlahliwe ngemiphumela yasebenzisa

Amascreen ase-polyurethane ayehlukana ngezinkinga ezahlukeneyo zokusebenza ngexesha lokusebenza, okwenzela ukuba kwenzeke ngempazamo ukulawula ubumfushane. Xa imithombo iphucula phantsi kwesihlangothi sesikreningi, iimpact ezingekhoyo zenza iziqhamo eziphambili zobufakazi okufika ku-28% ngaphezulu koko ekhathalelayo. Oku kuthetha ukuba isikreningi siyibuyela phantsi emgangeni walo wokuqala kuyaphantsi kwezimbini zoncelo: ubunzima (durometer) bekhanda ngokujulile nobungozi bengciniso yomxholo. Iindawo ezifihlakeleyo ngokuchasene ngokuchasene zibonakala zihluka ngokuphindaphindi. Izicelo zangqa zoncela ukungena kwe-0.15 milimitara ngexesha lonyaka kwindawo apho iimpact zingaba yinkimbinkimbi. Lo hlobo lwemvunulo lubonisa ngokusobala ukuba ukwahlulwa kwebumeleli kubanzi kuthetha ukuba isikreningi siyayeka ngokukhawuleza.

Ukukhathalela: Ukuqinisekisa ubumeleli obulinganayo ukuze uphazamise umvunulo we-edgwe kunye nokutshintshiselwa kwesimo

Ukufumana ubumeleli obulinganayo kudinga indlela ephathwayo:

• Ukulungiselela kwesandla nge <3 mm/m² ubumeleli obulinganayo
• Ukuphatha kwe-bolt ngokulandelana (ngamathuba angu-25% kuqalekile)
• Ukubalwa kwe-tension ngolazeri ngexesha lokufakwa

Njengoko kuchazwe kwiindlela ezilandelwayo zokufaka, iingcinga ze-tension emva kokufakwa nganye i-250 yamaxesha aphindwe ayingcinezeliyo zibangela ukuncitshiswa kwegesi ngu-60% kunye nezinye izixhobo ezingavayi. Abasebenzisi basebenzayo i-wear strips enobunikazi bokulinganisa tension babeka ubomi obude kangakanani ngu-38% ekusebenziseni kwebhaskini yekholi.

Iimpawu Zokusebenza ZePolyurethane Screen Media Eziqukethe Ngendlela Eyangcono

Ukukhanyiselwa Kwe-Wear Kunye NoBomi Obude Ngaphaya Kwicala Eyangcono

Ukufaka ngendlela eyangcono kunciphisa ukugcinwa kwemithwalo kuze kube ngu-60%, kuthintela ukungena kwe-cracking nokunyusa okuhlukeneyo kumathuba afakelwe ngendlela encinci. I-[2022 Mining Technology Journal study] yafumana ukuba i-polyurethane screens eziqukethwe zibe nobomi obude kangakanani ngu-40% kunye nezinye ezingafakwanga ngendlela eyangcono kumsebenzi wokuprosesa komthwalo ophambene kakhulu. Ubume bomdlalo we-polyurethane buvakala emva kokuthembeka kweekiphi, ngelixa indlela eyangcono yokufaka ibophepha ayikuvuleki ukuguquka kwiindawo zokuhlaba.

Ukuzimiswa Okuthuthukisiwe Kunye Nokuthatha KweVibration KwiZikhundla Ezivalelweyo

Izihlengahlenga ze-polyurethane eziphindeziwe zithatha kakhulu kune-30-50% yeziko le-vibrational kunazo ezinye izinhlelo ezingaphansi kwebandla, okususa ubuchopho bezikalo kumqondo. Leli ziphazimiselelo kuncike ekugcineni indlela eyayidlulayo esebenzayo ekusunguleni amanzi noma izinto ezibhishisayo, apho ukuguquka ngokuvamile kunciphisa ukususa kwabo abaningi. Ngemodulus ye-elasticity engaphezu kuka-8-10 emizuzwini yeguba, i-polyurethane ichazela ubunzima bempilo yayo ngemva kokubanjwa ngokuphindaphindi, okususa izindleko zokuhlela ngokuphumeza kwe-$18/ton itholakala.

Indawo Yedatha: Ubude Bekuphela Bokusebenza Obude Kangakanani 40% Kunye Nezihlengahlenga Ezimodulari Ezenziwe Ngendlela Eshiyekileyo (Igazini Lokunyamezela, 2022)

Izivikelo zomphakathi kubonisa ukuthi izihlangu ze-polyurethane ezithintekayo zifinyelela isikhathi se-18-24 ngonyaka emsebenzini wokuprosesa komthubi—ukuthuthuka okungu-40% kungezansi kwamaphaneli amadulula angathinteki. Lokhu kusukela ekude kakhulu kwebungo lobungcinwa (<2% utshintsho olwesilinganiso emva kwezikhathi ezingu-5,000) nokukhululwa kwekuhlelwa okuthintekayo. Leli vikelo libheka futhi ukuthi ukuthinta kunciphisa izindleko zokufaka kabusha nge-$7.50/imephala enye ngonyaka ngokuncipha kokuphulwa kwezinsuku nezimali.

Ukugcina Ngaphambi Kwemvukuzo Ngokulandela Ukulawula KokuThinta

Ukuncipha kwebungo kubungo ngokuthuthuka kohulumeni ngokuthinta

Izihlangu ze-polyurethane eziqinisekisiwe ngokuthinta zihlenza uhlelo oluncane oluthinteka okuthuthuka izinto ezinemibango efanayo ezizama ukugcwaliswa kubungo. Xa ukuthinta kufana nembeko yomkhiqizo, ukuthuthuka kohulumeni kakhona ngu-15-20%, okunciphisa kakhulu ubungo. Isiviko sika-2023 seCanadian Mining Journal sabonakalisa lokhu kubangela izimo eziningi ezingenazo ukugcwaliswa kumsebenzi wokuprosesa kwezimali.

Ukuthuthuka okuthintekayo njengendlela yokukhokha izinto ezigcwaliswayo

Ukuzinzileka kwebhloko ye-polyurethane kuyisabela izikhuthazo ezizenzakalelayo kuze kube khona ukuthembeka okuphakeme uma kuthunyelwe ngendlela efanelekileyo, kwenza isiphazamiso esahlukene. Ukugcina ukuthunyelwa kungaphezu kwemigudu engu-10% yesilingo esinikezwayo kuyakhula lokho kuthembeka ngama-40%, kuyingxenye ephambene nezinto ezibindile noma ezimbiyayo ezithintekayo, njengoba kuchazwe emigangathweni yezimali zokufaka.

Isibonelo: Ukuncipha ngama-30% kwizinkinga zokungaboniswanga ekhishini le-aggregate

Ikhomphini elihlaziywa emagqubeni yonakeleza ukungabi ngezinkomba ezingu-30% ngexesha leyinyanga uma kwiqhubeke ukusebenzisa ukuhlanjelwa kwebhokisi ethe tinsela kumathuba asezinzini abekhona ezi polyurethane. Basebeke amasense ethinselo engalawuliyo phakathi kwisistimi baseqhubeka ngokulungisa iingcinga zokugcina ngokulinganiselana nokuba ziphi iidata zolungelelo eziphawula kusidimanga. Iziphumo zange zibe nzima kakhulu - ubomi bomgca wasebenza buye bahlala ngaphezu kuka-22% ngaphandle kokuchitha okukhulu xa kufanelekile ukuba kube nempilo, efika phezulu kuka-98% ngazo zonke iishishini ezintathu ezintsasa. Oku kubonisa ukuba ukuzilondoloza kwezingcinga zetinsela kuyinto enkulu ekwenza isiphumo esikhulu kumsebenzi othile othunywa.

Polyurethane vs. I-Woven Wire Mesh: Ukusebenza Ngapha KweTinselo

Ukuphendula Kwesithotho Nokwenza Ukwahlulwa Kwisebe: Izisebe Zesi Polyurethane Ezithe Tinsela Vs. I-Woven Wire

Izisebe ezithe tinsela ze-polyurethane zibeka isithotho se-vibrational ngendlela efanayo, zenza ukwahlulwa kwisebe kube mbo 20% kunye ne-woven wire kumathuba aphakade kanye aphakade ( Iminyaka Yemfundo Yemvelaphi , 2023). Ukuhlanjwa kubo kugcina ubume bokuvula obugcwele phakathi komthwalo, ukulungiselela ukuguquka okusheshayo okuchazwa ngomfanekiso wamathambo ngemuva kwebikhwaba ephindaphindwayo.

Izimo Ezikhona Ngazo Umfanekiso Wamathambo Oshudlayo Ungakhethi Polyurethane

Umfanekiso wamathambo uphila kuyisidingo emakhala amabi kakhulu angaphezu kwe-150°C—ngaphandle kwesilinganiso se-thawala se-polyurethane—kanye nezihlukaniso ezincane kakhulu ezidinga izivivinyo ezingaphezu kwe-100μm. Kusebenza futhi kahle ekuskeni isitasisi yezinto ezingalayi ngoba inemibuso engeziwe yokuvula.

Ukungaqondani Kwimali-Ngeke: Izinga eliphakeme lepolyurethane eliyisikhathi esizayo kufakwa ngokunciphisa ukumiswa nokuphazanywa

Iwiri enzululwane ingathinta amaphesenti angu-40 kuze kube ngu-60 ngokunciphisa, kodwa xa kufika ekugcineni kanye nokusebenza kwemizwa ephuthumayo, ipolyurethane isebenza ngexesha elide kunalo lonke. Ezinye iindlela zakhona ukuba izidingo zokubuyisela zihluka phantse ngamaphesenti angu-30 kamva kokubuyela kwiindlela eziphambili ezinezixhobo ezivaleleyo. NjengeNcwadi yokuqala ye-2024 okanye ye-2025 njengomzekelo, bayekwazise izindleko zokuphula ngonyaka ngamaphesenti angu-30 kamva kokubuyela kwiindlela eziphambili ezinezixhobo ezivaleleyo. Kungabi nomdla wobomi bawo. Zinceda kakhulu ekufakeleni. Jonga umgudu onke ngexesha, abaninzi abasebenzisa imvelaphi bathola ukuba ipolyurethane iyahlula ngokwazo phakathi kwezi nyaka ezi-18 kuya kude kube ngu-24 emva kokufakwa, ixesha apho kulindelekileyo kusuku ngasinye.

Imisebenzi nezinhawu eziphilayo zezixhobo zosiko lwe-polyurethane ezihlanjisiweyo eminingi

Izidingo eziphatha umthwalo kumasebe amadala kumasebe akhokelelwa kwi-polyurethane

Imisebenzi yokuhlotywa ephathelene ngezinto ezibhaxeneyo njengeyisithuthi, ikhopha, kanye negolide zihlangana ngeminyango eminingi ngokuthi izixhobo zokucaca esivalekileyo ziphazamisa kusasa. Isici esibizwa ngokuthi ipholiyuthane sasebenza ngempela kangakanani kunazo izinkcazo zezinto ezinzulu ngoba kudingeka kugcwaliseke kanye nokuphatha imbangela engaphezu kwesikhathi ungakhathalanga kangaka. Ngokwembono yomlando wemigwaqo emihlanu, lezo ezingena kwi-poliyuthane ezimiselweyo zazikhula kabusha okungekho mthetho wezivuko ezilandelayo ezaziwa ngokuthi zingaba ngu-42 phroshenti ngapha kwezimali zakhe zamandla ethixo. Okwenza lesi sici sibe nobuchule kukuthi kusebenza kanjani xa kubekwa phantsi kwegawulayo enkulu ephindaphindayo. Kulo xabiso amathambo amakhulu aphantsi kokuhlotywa ayisisekelisile konke kulo xabiso, ikakhulukazi ngexesha lokucinezela lokuqala apho iindlebe zezinto zazidla ngaphezu kwe-50 milimitara.

Imo leliwungu: Incitementhi ya-25% kuNtonga phakathi kweKhophere Ngasetyenziswa kweeNkqubo zeFlex-Mat

Indlu yomoya eNorth American etholakala kwayo imiphrofithi emikhulu ngemva kokuthatha izikriningi ezizinxulumene ne polyurethane:

• Ukuvuseleka kwezinto kakhulu kwalayishisa ngama-25% ngokunciphisa ukumkqamulwa
• Ukubuyisela amaphaneli wala kusuka kuye kwesibini ngasinyaka kuquartile
• Ukulahlekwa kwegogo ngayiton ephathelene kukhokeza kwe-18%

Leli phendulo lithiwe ngezimpendulo zasejezini le Mining Technology (2022), eyayichaza ukuthintana okuhle njengento eyisiseko ekunakekelweni kwezinkcazo zezikriningi zezinhlayiya zethu.

Ubukhona bezenzo zokufaka ngcono nokuphazanyiswa kabusha ukuze kugcinwe ubunzima obuhle

Ukuthinta okungachaneki kuthula izimpumelelo ze-polyurethane. Izimvo ezibalulekile kufana:

• Ukusebenzisa izixhobo ezilandelayo i-laser ukuqinisekisa ukulingana kwebunzima ±2%
• Ukuphazanya ubunzima bezivavanyo ngalinye i-250 ihora zokusebenza
• Ukuvula futhi kwezinhlelo emva kwezinsuku ezimbili zokugcina ukuhlinzwa

Iziseko elilandelayo lezo mthetho lithola ubude bebuso obude kangaka ngakumbili kulinganiswa naleyo esebenzisa izindlela eziphathelene.

Ukususa: Ukwahlukanisa Izilinganiso Zokuvula Ngokulinganisa Nezici Zomthelelo Wokulayisha Ukuze Kufakhe Kakhulu

Ukulungiswa kwebamba ukulayisha kuzivimba kukhuthaza ukugcinwa kwemithwalo ngaphandle kokwenza imithwalo iphazanyiswe, njengoba kufezekile yizindawo ezihambisanayo ubuchwepheshe bokuhlukanisa ngokushesha kanye ngaphezu kwezinhlangano zeminerali ezahlukene.