Kufunika kwa zida zogwirira ntchito zopopera zinthu ...
Mwachikhalidwe, chitsulo cha manganese chochuluka (Mn13, Mn18Cr2) chakhala chida chogwiritsidwa ntchito kwambiri popanga zida zophwanyira, zomwe zimafunika chifukwa cha mphamvu yake yapadera yolimba pamene ikukhudzidwa kwambiri, zomwe zimalimbitsa kuuma kwa pamwamba pomwe zimasunga kulimba kwamkati kuti zisasweke panthawi yophwanya granite, basalt ndi chitsulo. Komabe zida za manganese zomwe zimagwiritsidwa ntchito nthawi zambiri zimafunika kusinthidwa milungu 6 mpaka 8 iliyonse pansi pa mikhalidwe yovuta yogwirira ntchito, zomwe zimayambitsa kutsekedwa kwa makina pafupipafupi, ntchito yowononga nthawi zambiri komanso kusagwira ntchito bwino kwa zinthu zosiyanasiyana.
Poyankha vutoli, opanga zida zogwirira ntchito zapamwamba afulumizitsa malonda a njira zatsopano zopangira alloy ndi ukadaulo wopangidwa ndi composite chaka chino. Chitsulo chopangidwa ndi chromium chakhala njira yotsika mtengo yogwiritsira ntchito zinthu zophwanyidwa bwino komanso zosagwira ntchito monga miyala yamchere ndi zinyalala zomangira, zomwe zimapangitsa kuti ntchito ikhale yayitali ndi 25% kuposa chitsulo chokhazikika cha manganese pamtengo wofanana ndi womwewo. Kusintha kwakukulu kumachokera ku zida zogwirira ntchito za titanium carbide (TiC), komwe ndodo za TiC zolimba kwambiri zimayikidwa kale pamalo ogwirira ntchito a liners ndi nsagwada. Mayeso a ku Australia ku mgodi wachitsulo adatsimikizira kuti TiC composite cone liners idakulitsa moyo wa ntchito kuchokera pa masiku 7 okha a liners wamba a OEM mpaka masiku opitilira 20, kukweza moyo wa zinthu ndi zoposa 200% ndikudula pafupipafupi kusintha kwa liner pachaka.
Kapangidwe ka kapangidwe kake kawonekeranso ngati choyambitsa kukula kwakukulu. M'malo mwa ma liners okhazikika, mafakitale oyambira tsopano amasintha mawonekedwe a liner molingana ndi kuuma kwa miyala, kukula kwa chakudya ndi kugawa kwa aggregate komwe kwatsirizidwa. Mapangidwe abwino a geometry samangochepetsa kusweka kosagwirizana komanso amawonjezera mphamvu yophwanyika ndi 8%–15% pomwe amachepetsa kugwiritsa ntchito mphamvu ya unit pa tani imodzi ya zinthu zophwanyika. Pakadali pano, makampaniwa akusuntha kuchoka pa kugulitsa kwa gawo limodzi kupita ku chitsanzo cha "zogulitsa + ntchito" cha moyo wonse, kuphatikiza kuyang'anira momwe zinthu zimawonongekera, kukonza nthawi yokonzekera komanso malangizo oyika pamalopo. Ziwerengero kuchokera ku China Aggregates Association zikuwonetsa kuti njira zodzikongoletsera zapamwamba zitha kuchepetsa kutayika kosayembekezereka kwa mafakitale ophwanyika ndi 12% mpaka 18% pachaka.
M'malo mwake, Asia-Pacific ikadali malo akuluakulu ogwiritsira ntchito ndi kupanga zida zophwanyira. Kuyika ndalama zokhazikika mu zomangamanga ku Southeast Asia, Central Asia ndi Africa kukulimbikitsa kufunikira kwa zida zosinthira zovala, pomwe opanga aku China akukula kukhala malo akuluakulu kwambiri padziko lonse lapansi ogulitsa zida zotsika mtengo komanso zovomerezeka, akupikisana ndi makampani akuluakulu apadziko lonse lapansi a Metso, Weir Group ndi Magotteaux m'magulu apakati komanso apamwamba. Akatswiri amakampani akuwona kuti mpikisano wamtsogolo sudzadaliranso mitengo yazinthu zopangira, koma pa kuthekera kophatikizana komwe kumaphatikizapo kafukufuku ndi chitukuko cha zitsulo, kupangira zinthu molondola, ukadaulo wa mapulogalamu ndi maukonde otumizira mwachangu padziko lonse lapansi.
Kukhazikika kwaphatikizidwanso mu kubwerezabwereza kwa zinthu. Ziwalo zambiri zapamwamba zogwiritsidwa ntchito popukuta zitsulo zimabwezeretsedwanso ntchito pambuyo pa nthawi yogwiritsidwa ntchito, pomwe mapangidwe abwino kwambiri omwe amakhala nthawi yayitali amachepetsa kugwiritsidwa ntchito kwa zitsulo zosaphika ndi mpweya woipa wochokera ku kupanga ndi mayendedwe mobwerezabwereza. Pamene ogwira ntchito m'migodi akuika patsogolo ndalama zonse za umwini kuposa mtengo wogulira pasadakhale, zida zogwiritsidwa ntchito popukuta zitsulo zokhala ndi mphamvu zambiri komanso zogwiritsidwa ntchito zikuyembekezeka kusunga kukula kwa msika kwazaka zisanu ndi chimodzi zikubwerazi, kufotokozeranso momwe zimagwirira ntchito bwino makampani opanga zitsulo padziko lonse lapansi.
Nthawi yotumizira: Juni-29-2026