Bentonite powder agent yothandiza kwambiri yomangirira mphamvu ya nkhungu, yomwe imalepheretsa kugwedezeka kwa pamwamba komanso kukhazikika kwa kupanga mu ferrous.
Kufotokozera Kwachidule:
Ufa wa Bentonite ndi mchere wa dongo wopangidwa mwachilengedwe womwe umapangidwa chifukwa cha kusintha kwa nthawi yayitali kwa phulusa la mapiri ndi miyala ya silicate, womwe uli ndi kapangidwe kake kapadera ka kristalo komwe kamathandizira magwiridwe ake abwino kwambiri m'mafakitale, makamaka m'gawo la foundation. Ufa wabwinowu, wofewa uli ndi zinthu monga kuyamwa madzi mwamphamvu, kutupa kwakukulu, mphamvu yolumikizana bwino, kukhazikika kwa kutentha, komanso kufalikira kofanana, zonsezi zimapangitsa kuti ukhale chinthu chosasinthika pantchito zamakono za foundation. Ufa wa Bentonite umagwira ntchito ngati gawo lomangirira m'machitidwe a mchenga wopangira foundation, umagwira ntchito ngati msana womwe umagwirizanitsa tinthu ta mchenga kuti tipange nkhungu zolimba komanso zolondola pakupanga zitsulo. Udindo wake mumakampani opanga foundation umapitilira kupitirira kumangirira kosavuta, umakhudza gawo lililonse lopangira, kuyambira kusakaniza mchenga ndi kupanga nkhungu mpaka kuthira chitsulo chosungunuka, kulimba, ndi kugwedezeka, zomwe zimakhudza mwachindunji mtundu wa ma castings omalizidwa, magwiridwe antchito opanga, komanso ndalama zonse zogwirira ntchito zama foundation padziko lonse lapansi.
Mu makampani opanga zinthu zopangira utomoni, ufa wa bentonite umagwiritsidwa ntchito kwambiri popanga mchenga wobiriwira, njira yodziwika kwambiri yopangira zinthu padziko lonse lapansi, yomwe imagwiritsidwa ntchito popanga zinthu zambiri zopangidwa ndi zitsulo zopanda chitsulo komanso zopanda chitsulo. Mchenga wobiriwira, womwe umapangidwa makamaka ndi mchenga wa silika, ufa wa bentonite, madzi, ndi zowonjezera zazing'ono, umadalira kwambiri ufa wa bentonite kuti upange mgwirizano wogwirizana pakati pa tinthu ta mchenga tomwe timakhalapo. Ufa wa bentonite ukasakanizidwa ndi madzi, kapangidwe kake kamakula kwambiri, ndikupanga filimu yopyapyala, yomata yomwe imaphimba tinthu ta mchenga uliwonse ndikuwuphatikiza kukhala chinthu chogwirizana. Njira yolumikizira iyi ndi yosinthika komanso yosinthasintha, zomwe zimapangitsa kuti kusakaniza kwa mchenga wobiriwira kupangidwe mosavuta kukhala mawonekedwe ovuta, kuphatikizika mofanana, ndikusunga mawonekedwe ake panthawi yogwira, kunyamula, komanso nthawi yothira chitsulo chosungunuka. Popanda ufa wa bentonite, kupanga mchenga wobiriwira sikungatheke, chifukwa mchenga wotayirira ulibe umphumphu wokhazikika kuti upirire kutentha kwambiri ndi kupsinjika kwa chitsulo chosungunuka, zomwe zimapangitsa kuti nkhungu igwe, kutayika kwa zinthu, komanso kulephera kupanga.
Kagwiridwe ka ntchito ka ufa wa bentonite kamalamulira mwachindunji mphamvu yobiriwira ya nkhungu za foundry, chinthu chofunikira chomwe chimafotokoza kuthekera kwa nkhungu kusunga mawonekedwe ake ndikukana kusintha kwa zinthu panthawi yogwira ntchito ndi manja ndi makina. Ufa wa bentonite wabwino kwambiri umapanga mgwirizano wolimba koma wosavuta kusinthasintha pakati pa tinthu ta mchenga, kuonetsetsa kuti nkhungu sizimasweka, sizimaphwanyika, kapena kutaya kulondola kwa mawonekedwe ake zikamasunthidwa kuchokera kumalo opangira zinthu kupita ku mizere yothira, kapena zikaikidwa mkati mwa ma flask oponyera zinthu. Mphamvu yobiriwira yolimba iyi ndi yofunika kwambiri kwa ma foundry ang'onoang'ono komanso mizere yayikulu yoponyera zinthu, komwe kulimba kwa nkhungu kokhazikika ndikofunikira kuti muchepetse kusokonezeka kwa kupanga ndi kuchuluka kwa kukana. Ufa wa bentonite wokhala ndi kutupa bwino komanso mphamvu zomangira umatsimikizira kuti ngakhale nkhungu zovuta zokhala ndi magawo opyapyala, mabowo akuya, ndi mawonekedwe osalala zimasunga mawonekedwe awo bwino, zomwe zimathandiza kupanga zinthu zovuta zomwe zimagwiritsidwa ntchito m'magawo a magalimoto, makina, zomangamanga, ndi zida zamafakitale.
Kupatula mphamvu yobiriwira, ufa wa bentonite umathandizira kwambiri ku mphamvu yotentha ya nkhungu zosungunuka, khalidwe lofunika kwambiri lomwe limalola nkhungu kupirira kutentha kotentha kwa chitsulo chosungunuka popanda kusweka kapena kusokonekera. Chitsulo chosungunuka, chitsulo, kapena zitsulo zopanda chitsulo monga aluminiyamu ndi mkuwa zikathiridwa mu nkhungu, kutentha kwakukulu kumachotsa chinyezi chotsala mumchenga wobiriwira ndikuyambitsa kusintha kwa kutentha mu bentonite powder binder. Ufa wa bentonite wapamwamba kwambiri umasunga kukhazikika kwake pansi pa kutentha kwakukulu kumeneku, kuteteza khoma la nkhungu kuti lisagwe, liwonongeke, kapena kusweka pamene chitsulo chosungunuka chimadzaza m'bowo ndikulimba. Mphamvu yotentha iyi imatsimikizira kuti kuponyera kumasunga mawonekedwe ndi miyeso yeniyeni ya nkhungu, kuchotsa zolakwika monga kulowa kwa chitsulo, kuphatikiza mchenga, ndi kupotoka kwa miyeso komwe kungapangitse kuti kuponyera kusagwiritsidwe ntchito. Makampani opangira maziko amadalira ufa wa bentonite kuti upereke mphamvu yotentha yokhazikika pamayendedwe onse oponyera, kuonetsetsa kuti chidutswa chilichonse chikugwirizana ndi miyezo yokhwima komanso yamtengo wapatali.
Chinthu china chofunika kwambiri cha ufa wa bentonite mu ntchito za foundation ndi kugwedezeka kwake kwabwino kwambiri, komwe kumachepetsa njira yotulutsira pambuyo potulutsa ndi kuchepetsa kuwonongeka kwa ntchito ndi zida. Chitsulo chosungunuka chikauma ndikuzizira mpaka kutentha komwe kungathe kukonzedwa, nkhungu ya mchenga yolumikizidwa iyenera kuswedwa kuti ichotse chopangidwacho chomalizidwa, ndipo mchengawo uyenera kubwezeretsedwanso kuti ugwiritsidwenso ntchito. Kapangidwe ka malumikizano a ufa wa Bentonite kamafooka nthawi yomwe nkhungu imazizira, zomwe zimapangitsa kuti mchenga uwonongeke mosavuta chifukwa cha kugwedezeka kwa makina kapena kugwedezeka panthawi yotulutsa, popanda kusiya zotsalira za mchenga zolimba komanso zolimba zitamamatira pamwamba pa chopangidwacho. Kugwedezeka kwapamwamba kumeneku sikuti kumangofulumizitsa kuyenda kwa kupanga mwa kuchepetsa nthawi yomwe imagwiritsidwa ntchito potulutsa komanso kuchepetsa kuwonongeka kwa zopangidwazo panthawi yochotsa, monga kukanda, kubowola, kapena m'mbali zosweka. Kuphatikiza apo, ufa wa bentonite umathandizira kubwezeretsa mchenga bwino, chifukwa mchenga wosweka ukhoza kufufuzidwa mosavuta, kutsukidwa, ndikusakanizidwanso ndi ufa watsopano wa bentonite ndi madzi, kuchepetsa zinyalala za zinthu zopangira ndikuchepetsa ndalama zopangira zomwe zimapangidwira foundation zamitundu yonse.
Ufa wa Bentonite umagwiranso ntchito yofunika kwambiri pakukonza mawonekedwe a pamwamba pa zitsulo zopangidwa ndi chitsulo, chomwe ndi chiŵerengero chofunikira kwambiri chomwe chimatsimikizira kuyenerera kwa zoponyera kuti zigwiritsidwe ntchito komaliza popanda makina ambiri achiwiri. Kukula kwa tinthu tating'onoting'ono komanso kufalikira kofanana kwa ufa wa bentonite kumatsimikizira kuti chisakanizo cha mchenga wobiriwira chimapanga malo osalala, okhuthala a nkhungu okhala ndi maenje ochepa komanso osakhazikika. Chitsulo chosungunuka chikalowa m'malo osalala a nkhungu, chimabwereza kapangidwe ka pamwamba pa nkhungu molondola, zomwe zimapangitsa kuti malo oponyera azikhala oyera, ofanana opanda mabowo amchenga, zigamba zokwawa, ndi zolakwika zina pamwamba. Kumaliza kwapamwamba kumeneku kumachepetsa kufunikira kwa ntchito zoponyera, kupukuta, ndi kupukuta zodula komanso zotenga nthawi yayitali, kupangitsa kuti njira yopangira ikhale yosavuta komanso yopindulitsa. Pa zoponyera zolondola zomwe zimagwiritsidwa ntchito m'mainjini a magalimoto, machitidwe a hydraulic, ndi makina olondola, kutsiriza kosalala komwe kumathandizidwa ndi ufa wa bentonite ndikofunikira kwambiri kuti zitsimikizire kuti gawo lomaliza likugwirizana, likugwira ntchito, komanso likugwira ntchito moyenera.
Pakupanga ma foundry cores, omwe amagwiritsidwa ntchito popanga mabowo amkati, mabowo, ndi ma geometries ovuta amkati mu ma castings, bentonite powder imagwira ntchito ngati chomangira chodalirika cha ma core sand mixes. Ma cores amakumana ndi zovuta kwambiri kuposa ma core akunja, chifukwa amazunguliridwa ndi chitsulo chosungunuka ndipo amakumana ndi kutentha kwa nthawi yayitali panthawi yopaka. Bentonite powder imapereka mphamvu yofunikira komanso kukhazikika kwa kutentha kwa ma cores, zomwe zimawaletsa kusuntha, kusweka, kapena kusweka panthawi yothira ndi kulimbitsa zitsulo. Izi zimatsimikizira kuti mawonekedwe amkati mwa ma castings amapangidwa molondola, ndi miyeso yofanana komanso malo osalala amkati. Bentonite powder-based core sand mixes ndi osavuta kukonzekera, kuumba, ndi kuphika, zomwe zimapereka njira ina yotsika mtengo m'malo mwa resin-bonded cores pazinthu zambiri zoyika, zomwe zimapangitsa kuti ikhale yofunika kwambiri m'ma foundry ang'onoang'ono komanso ma foundry akuluakulu opanga.
Kusinthasintha kwa ufa wa bentonite kumapangitsa kuti ukhale woyenera mitundu yonse ya njira zopangira zitsulo mkati mwa makampani opanga zitsulo, zomwe zimaphatikizapo zitsulo zachitsulo monga imvi, chitsulo chosungunuka, ndi chitsulo cha kaboni, komanso zitsulo zopanda chitsulo kuphatikiza aluminiyamu, mkuwa, ndi bronze. Mtundu uliwonse wachitsulo umafuna mawonekedwe enaake a nkhungu, ndipo ufa wa bentonite ukhoza kukonzedwa kuti ukwaniritse zosowa zapaderazi mwa kusintha chiŵerengero chosakanikirana ndi mchenga ndi madzi, kapena pogwiritsa ntchito mitundu yapadera ya ufa wa bentonite. Pa kupangira chitsulo, komwe kumaphatikizapo kutentha kwambiri kwachitsulo chosungunuka, ufa wa bentonite umapereka mphamvu yotentha kwambiri komanso kukhazikika kwa kutentha kuti upewe kulephera kwa nkhungu. Pa kupangira zitsulo zachitsulo zopanda chitsulo, ufa wa bentonite umapereka malo osalala a nkhungu komanso kugwedezeka bwino, kuonetsetsa kuti kupangira zinthu zopanda chilema kumakhala koyenera komanso kosalala. Kusinthasintha kumeneku kumachotsa kufunikira kwa zinthu zingapo zapadera zomangira, kupangitsa kuti kasamalidwe ka zinthu zopangira zitsulo zikhale kosavuta komanso kuchepetsa zovuta zogwirira ntchito.
Magulu osiyanasiyana a ufa wa bentonite amakonzedwa kuti akwaniritse zosowa zosiyanasiyana za makampani opanga zinthu padziko lonse lapansi, ndipo mtundu uliwonse umapangidwa kuti upereke magwiridwe antchito osiyanasiyana pa ntchito zosiyanasiyana zopangira zinthu. Ufa wa sodium bentonite, mtundu womwe umagwiritsidwa ntchito kwambiri m'mafakitale opangira zinthu, umapereka mphamvu yotupa, mphamvu yomangirira, komanso kukhazikika kwa kutentha, zomwe zimapangitsa kuti ukhale woyenera kwambiri pa ntchito zopanga zinthu zachitsulo zachitsulo zomwe zimakhala ndi kutentha kwambiri. Makhalidwe ake amphamvu oyamwa madzi ndi kumangirira amatsimikizira mphamvu ndi magwiridwe antchito a nkhungu nthawi zonse, ngakhale m'mizere yayikulu yopangira zinthu. Ufa wa calcium bentonite, ngakhale uli ndi mphamvu yotupa pang'ono, umapereka magwiridwe antchito abwino komanso kugwiritsa ntchito bwino ndalama, zomwe zimapangitsa kuti ukhale woyenera pamakampani opanga zinthu zazing'ono, opanga zinthu zachitsulo zopanda chitsulo, komanso omwe amagwiritsidwa ntchito pomwe kukana kutentha kwambiri sikufunika. Ufa wa bentonite wogwiritsidwa ntchito, womwe umakonzedwa kuti uwonjezere mphamvu zake zomangira ndi kutupa, umapereka magwiridwe antchito apamwamba kwambiri pakupangira zinthu molondola, kupanga zinthu zopyapyala, komanso kupanga zinthu zovuta, komwe mtundu wa nkhungu ndi kulondola kwa zinthu ndizofunikira kwambiri.
Kukonza ndi kuwongolera khalidwe la ufa wa bentonite kuti ugwiritsidwe ntchito mu foundation ndi kokhwima, kuonetsetsa kuti ukukwaniritsa miyezo yokhwima yogwirira ntchito yomwe ikufunika kuti zotsatira zake zikhale zokhazikika. Mchere wosaphika wa bentonite umachotsedwa m'madontho a mchere osankhidwa mosamala, kenako nkuwaphwanya, nkuwapera kukhala ufa wabwino, ndikutsukidwa kuti achotse zonyansa monga miyala, zinthu zachilengedwe, ndi mchere wina womwe ungasokoneze magwiridwe antchito ake. Kukula kwa tinthu tating'onoting'ono ta ufa wa bentonite kumayendetsedwa bwino, chifukwa tinthu tating'onoting'ono timaonetsetsa kuti tinthu tating'onoting'ono ta mchenga tifalikira bwino, kuti mchenga ukhale wofanana, komanso kuti ukhale wolimba kwambiri. Ufa wa bentonite woyeretsedwa umayesedwa kuti upeze zinthu zofunika kuphatikizapo kuchuluka kwa kutupa, mphamvu yomangira, chinyezi, komanso kukhazikika kwa kutentha, ndipo magulu okhawo amakwaniritsa zofunikira zamtundu zomwe zimavomerezedwa kuti zigwiritsidwe ntchito mu foundation. Kuwongolera kwamtundu kokhwima kumeneku kumatsimikizira kuti ufa uliwonse wa bentonite umapereka magwiridwe antchito okhazikika, zomwe zimathandiza ma foundation kusunga njira zokhazikika zopangira ndikuchepetsa zolakwika zomangira.
Kusamalira bwino ndi kusunga ufa wa bentonite ndikofunikira kuti ugwire ntchito bwino mu ntchito zopangira zitsulo, chifukwa kuipitsidwa ndi chinyezi komanso kuwonongeka kwa thupi kumatha kuwononga kutupa ndi kumangidwa kwake. Ufa wa bentonite uyenera kusungidwa m'malo osungiramo zinthu ouma, opumira bwino, otsekedwa m'mabokosi oteteza chinyezi kuti asawonongeke ndi chinyezi, mvula, ndi madzi. Kuyamwa chinyezi mopitirira muyeso kumapangitsa ufa wa bentonite kupangika, zomwe zimachepetsa kufalikira kwake mumchenga komanso kufooketsa mphamvu ya nkhungu. Pakayendetsedwa, ufa wa bentonite uyenera kutetezedwa ku kuwonongeka kwa thupi kwa phukusi, kuonetsetsa kuti ufawo umakhalabe womasuka komanso wosavuta kusakaniza. Makampani opangira zitsulo nthawi zambiri amasunga ufa wa bentonite m'malo olamulidwa pafupi ndi malo opangira zitsulo, kuonetsetsa kuti ukupezeka mwachangu ndikusunga bwino mpaka utagwiritsidwa ntchito. Kutsatira njira zoyenera zosungira kumatsimikizira kuti ufa wa bentonite umasunga mawonekedwe ake onse ogwira ntchito, kupereka magwiridwe antchito odalirika nthawi iliyonse ukasakanizidwa mumchenga wopangira zitsulo.
Kusakaniza ufa wa bentonite ndi mchenga wa silika, madzi, ndi zina zowonjezera ndi gawo lofunika kwambiri pa ntchito zopangira zitsulo, zomwe zimakhudza mwachindunji ubwino wa chisakanizo cha mchenga wobiriwira ndi zotsatira zake zopanga zitsulo. Ufa wa bentonite uyenera kusakanizidwa mofanana ndi mchenga wouma poyamba kuti uwonetsetse kuti ugawidwa mofanana, kutsatiridwa ndi kuwonjezera madzi pang'onopang'ono kuti ufawo uyambe kutupa ndi kumangirira bwino. Kusakaniza mopitirira muyeso kapena kusakanizira bwino kungayambitse mphamvu yosasinthasintha ya nkhungu, ndipo ufa wa bentonite wosakanizidwa bwino umalephera kumangirira tinthu ta mchenga bwino, ndipo kusakaniza mopitirira muyeso kumayambitsa kukanikizana kwambiri ndi kuchepa kwa kulowa kwa nkhungu. Makampani opanga zitsulo amakono amagwiritsa ntchito njira zodzipangira zokha zosakaniza mchenga kuti zitsimikizire kuti nthawi yosakaniza, liwiro, ndi zosakaniza zikuyenda bwino, zomwe zimapangitsa kuti ufa wa bentonite ugwire bwino ntchito ndikupanga magulu obiriwira a mchenga.
Mwachidule, ufa wa bentonite ndi mwala wofunikira kwambiri pamakampani opanga zinthu zopangira zitsulo padziko lonse lapansi, womwe umagwira ntchito ngati chinthu chachikulu chomangira mchenga wobiriwira ndikupangitsa kuti zinthu zopangira zitsulo zapamwamba zikhale zogwira mtima komanso zotsika mtengo. Kuphatikiza kwake kwapadera kwa mphamvu yomangira, mphamvu zabwino zotupa, kukhazikika kwa kutentha, kulola kuti zinthu zilowerere bwino, komanso kugwedezeka bwino kumapangitsa kuti ikhale yoyenera kukwaniritsa zofunikira kwambiri za zinthu zopangira zitsulo zachitsulo ndi zopanda zitsulo. Kuyambira mafakitale ang'onoang'ono opangira zinthu mpaka mafakitale akuluakulu opangira zinthu, ufa wa bentonite umagwira ntchito yofunika kwambiri popanga gawo lililonse la njira yopangira zinthu, zomwe zimakhudza mwachindunji ubwino wa zinthu zopangira, magwiridwe antchito, komanso kukhazikika kwa ntchito.
Dongo lopangidwa ndi dongo (makamaka bentonite) ndi chinthu choyamwa chomwe chimapangidwa ndi dongo (makamaka bentonite) ngati zinthu zopangira, chomwe chimakonzedwa ndi asidi wosapangidwa ndi zinthu zachilengedwe, kenako chimatsukidwa ndikuumitsidwa ndi madzi. Ndi ufa woyera wa mkaka womwe umawoneka ngati wopanda fungo, wopanda kukoma, wopanda poizoni, wokhala ndi mphamvu yoyamwa kwambiri, ndipo umatha kuyamwa zinthu zamitundu ndi zachilengedwe. N'zosavuta kuyamwa chinyezi mumlengalenga. Ngati litayikidwa nthawi yayitali, mphamvu yake yoyamwa imachepa. Komabe, likatenthedwa pamwamba pa 300 ℃, madzi a kristalo amatayika, zomwe zimasintha kapangidwe kake ndikukhudza kutha kwa madzi. Dongo logwira ntchito silisungunuka m'madzi, zosungunulira zachilengedwe ndi mafuta osiyanasiyana, limasungunuka pafupifupi mu caustic soda ndi hydrochloric acid, lokhala ndi kuchuluka kwa 2.3-2.5, ndipo bentonite yaying'ono m'madzi ndi mafuta.
Katundu wa dongo wogwiritsidwa ntchito
1. Ili ndi ubwino wa kuyamwa kwamphamvu, kusinthasintha kwa utoto, kunyamula mafuta pang'ono, kusefa mwachangu komanso kuwonjezera pang'ono;
2. Imatha kuchotsa bwino mafuta onse a phospholipid, sopo ndi ayoni achitsulo ndipo ingagwiritsidwe ntchito ngati antioxidant yachilengedwe;
3. Imatha kuchotsa poizoni wa aflatoxin, zotsalira za mankhwala ophera tizilombo ndi poizoni wina ndi zinthu zina za fungo lapadera mu mafuta;
4. Pambuyo posintha mtundu, asidi wa mafutawo sakwera, sabwerera ku mtundu, amakhala omveka bwino komanso owonekera bwino, ndipo amakhala ndi khalidwe lokhazikika komanso nthawi yayitali yosungira.
5. Ndi yoyenera kwambiri kuyeretsa ndi kupanga mafuta a mchere, mafuta a masamba ndi mafuta a nyama.
Khalidwe la dongo lopangidwa
1. Dothi loyeretsera limapangidwa ndi dongo lachilengedwe lopanda chitsulo la attapulgite ngati chinthu chachikulu chopangira, lowonjezeredwa ndi njira yasayansi komanso lokonzedwanso ndi ukadaulo wapadera. Limawoneka ngati ufa woyera kapena wachikasu wopepuka, womwe ndi njira yabwino kwambiri m'malo mwa mpweya woyatsidwa.
2. Dothi loyeretsa lili ndi mphamvu zambiri zochotsera utoto, mphamvu yabwino yochotsera utoto, mphamvu yothira ndi kuyeretsa, komanso mphamvu yothira utoto ndi zinyalala.
3. Dothi loyeretsa lili ndi kukhazikika kwamphamvu pakugwiritsa ntchito, ndipo ndi losavuta kugwiritsa ntchito komanso lotetezeka, popanda kusintha njira yoyambirira yopangira bizinesi yopanga.
4. Keke yosefera yomwe yasefedwa ndi dothi loyeretsera ingagwiritsidwenso ntchito popanda kuipitsa chilengedwe.
5. Dothi loyeretsa lili ndi mphamvu zambiri zochotsera mtundu, mphamvu zochepa zonyamulira mafuta, liwiro losefera mwachangu komanso asidi wochepa.
Phukusi
Lembani uthenga wanu apa ndipo mutitumizireni
