Kusungunula Uvuni wa Smelt Speedy Melting 6kg 8kg 10kg 15kg 20kg Kuyimitsa ndi Manual Gold Smelting Furnace

1. Chiyambi

Zitsulo zamtengo wapatali, monga golide, siliva, platinamu, ndi palladium, zili ndi zinthu zapadera zakuthupi ndi zamakemikolo zomwe zimazipangitsa kukhala zamtengo wapatali kwambiri m'mafakitale osiyanasiyana, kuphatikizapo zodzikongoletsera, zamagetsi, ndi mano. Njira yosungunulira zitsulo zamtengo wapatali imafuna zida zolondola komanso zogwira mtima kuti zitsimikizire mtundu wa chinthu chomaliza ndikuchepetsa kutayika kwa zinthu. Pakati pa mitundu yosiyanasiyana ya uvuni wosungunulira, uvuni wosungunulira woyenga wa induction waonekera ngati chisankho chabwino kwambiri chosungunulira zitsulo zamtengo wapatali, zomwe zimapereka zabwino zingapo poyerekeza ndi njira zina zachikhalidwe zosungunulira.

2. Mfundo Yogwirira Ntchito Yopangira Ma Induction Melting Furnaces

2.1 Mfundo Yotenthetsera Yoyambitsa

Kutentha kwa induction kumadalira mfundo ya induction ya electromagnetic. Pamene alternating current (AC) idutsa mu coil (inductor), mphamvu ya maginito yosintha imapangidwa mozungulira coil. Ngati mphamvu yachitsulo yoyendetsa imayikidwa mkati mwa mphamvu ya maginito iyi, mphamvu ya electromotive (emf) yoyendetsedwa imapangidwa mu chitsulocho. Malinga ndi lamulo la Ohm, emf yoyendetsedwa iyi imayambitsa mphamvu yamagetsi (eddy current) kuyenda mkati mwa chitsulocho. Kukana kwa chitsulo ku kuyenda kwa ma eddy currents awa kumabweretsa kupanga kutentha, monga momwe tafotokozera mu fomula Q = I^{2}Rt, pomwe Q ndi kutentha komwe kumapangidwa, I ndi mphamvu yamagetsi, R ndi kukana, ndipo t ndi nthawi. Kutentha kumeneku kumagwiritsidwa ntchito kusungunula chitsulocho.

2.2 Njira Yopendekera

Mbali yopendekera ya ng'anjo yosungunula ya induction ndi kapangidwe kake ka makina. Thupi la ng'anjo limayikidwa pa njira yopendekera yomwe imalola kuti ipendekere pa ngodya inayake. Ntchito yopendekera iyi ndi yofunika kwambiri kuti chitsulo chosungunuka chizithiridwa bwino. Chitsulo chikasungunuka kwathunthu, ng'anjoyo imatha kupendekeka, ndipo chitsulo chosungunukacho chikhoza kutsanulidwa mu nkhungu kapena m'zidebe zina molondola, zomwe ndizofunikira kwambiri pakusungunula zitsulo zamtengo wapatali komwe kumafunika kuthira molondola kuti tipewe kutaya zinthu ndikuwonetsetsa kuti zinthu zopangidwa ndi chitsulocho zili bwino.

3. Ubwino wa Tilting Induction Melting Furnaces mu Precious Metals Smelting

3.1 Kusungunuka Kwambiri kwa Chiyero

3.1.1 Kuchepetsa Kuipitsidwa

Pa kusungunula zitsulo zamtengo wapatali, kusunga chiyero chachikulu ndikofunikira kwambiri. Njira zachikhalidwe zosungunula, monga ng'anjo zina zoyaka mafuta, zitha kubweretsa zodetsa mu chitsulo chosungunuka. Mwachitsanzo, kuyaka kwa mafuta m'ng'anjo zoyaka mafuta kumatha kutulutsa sulfure, nitrogen oxides, ndi tinthu tating'onoting'ono. Zinthuzi zimatha kuchitapo kanthu ndi zitsulo zamtengo wapatali panthawi yosungunula, zomwe zimapangitsa kuti pakhale zodetsa. Mosiyana ndi zimenezi, kusungunula kwa induction mu ng'anjo yopendekeka kumagwiritsa ntchito induction yamagetsi yotenthetsera, kuchotsa kufunikira kwa magwero otentha opangidwa ndi kuyaka. Zotsatira zake, pali chiopsezo chochepa cha kuipitsidwa kuchokera kuzinthu zakunja, kuonetsetsa kuti zitsulo zamtengo wapatali zimakhalabe mu mkhalidwe woyera kwambiri panthawi yosungunula.

3.1.2 Kulamulira Kutentha Koyenera

Zitsulo zamtengo wapatali nthawi zambiri zimakhala ndi malo enieni osungunula ndipo zimafuna kuwongolera kutentha kolondola panthawi yosungunula. Zitsulo zosungunula zolowetsedwa mu induction zimakhala ndi makina apamwamba owongolera kutentha. Makinawa amatha kuzindikira kutentha kwa chitsulo chosungunuka molondola ndikusintha mphamvu yolowera ku inductor moyenera. Mwachitsanzo, platinamu ili ndi malo osungunuka pafupifupi 1768 °C. Ndi kuwongolera kutentha kolondola kwa ng'anjo yosungunula yolowetsedwa mu induction, kutentha kumatha kusungidwa mkati mwa malo ochepa kwambiri pafupi ndi malo osungunuka awa. Izi sizimangotsimikizira kusungunuka kwathunthu kwa chitsulo komanso zimaletsa kutentha kwambiri, komwe kungayambitse okosijeni kapena kusintha kwina kwa mankhwala komwe kungachepetse kuyera kwa chitsulo chamtengo wapatali.

3.2 Kugwiritsa Ntchito Mphamvu Moyenera

3.2.1 Kutentha Kwambiri Kwambiri

Kutentha kwa induction mu uvuni wopendekeka nthawi zambiri kumagwira ntchito pama frequency apamwamba. Kutentha kwa induction kwa induction kwapamwamba kumasinthasintha mphamvu zamagetsi kukhala mphamvu yotentha. Mphamvu yamagetsi yopangidwa ndi mphamvu yamagetsi ya high-frequency mu inductor imatha kulowa mkati mwachitsulo, zomwe zimapangitsa kuti chitsulo chitenthe mwachangu kuchokera mkati. Njira yotenthetsera yamkati iyi ndi yothandiza kwambiri kuposa njira zotenthetsera zakunja, monga kutentha kwa radiant mu uvuni zina zachikhalidwe. Kutentha kwachangu kumachepetsa nthawi yofunikira yosungunula zitsulo zamtengo wapatali, zomwe zimachepetsa kugwiritsa ntchito mphamvu yonse. Mwachitsanzo, poyerekeza ndi uvuni zina zoyatsidwa ndi gasi, uvuni wosungunula induction wopendekeka ungasunge mpaka 30 - 50% ya mphamvu panthawi yosungunula zitsulo zamtengo wapatali.

3.3.2 Kuthira Mosalala

Ntchito yopendekeka kwa ng'anjo imagwira ntchito yofunika kwambiri pakukweza zokolola. Chitsulo chamtengo wapatali chikasungunuka, kupendekeka kosalala komanso kolamulidwa kwa ng'anjo kumalola kuti chitsulo chosungunuka chizithiridwe mwachangu komanso molondola mu nkhungu. Izi zimachepetsa nthawi pakati pa kusungunuka ndi kuponyedwa, kuchepetsa chiopsezo cha kulimba kwa chitsulo chosungunuka mu ng'anjo ndikukweza magwiridwe antchito onse opanga. Kuphatikiza apo, kutsanulira kolondola komwe kumayendetsedwa ndi njira yopendekeka kumatsimikizira kuti chitsulo chosungunuka chimadzaza nkhungu mofanana, kuchepetsa kufunikira kosungunukanso kapena kukonza pambuyo pake chifukwa cha kuponyedwa kosakwanira kapena kosagwirizana.

3.4 Kusinthasintha ndi Kusinthasintha

3.4.1 Kusungunula Zitsulo Zamtengo Wapatali Kosiyanasiyana

Zitsulo zosungunulira zitsulo zosungunulira zitsulo zingagwiritsidwe ntchito kusungunulira zitsulo zamtengo wapatali zosiyanasiyana, kuphatikizapo golide, siliva, platinamu, ndi palladium. Chilichonse mwa zitsulo zamtengo wapatalizi chili ndi malo osiyanasiyana osungunulira zitsulo, mankhwala, ndi zofunikira pakusungunulira zitsulo. Mphamvu yosinthika ndi makina owongolera kutentha kwa ng'anjo yosungunulira zitsulo zosungunulira zitsulo zitha kusinthidwa mosavuta kuti zikwaniritse zosowa za zitsulo zamtengo wapatali zosiyanasiyana. Mwachitsanzo, posungunulira siliva (malo osungunulira pafupifupi 962 °C), mphamvu ndi kutentha zimatha kusinthidwa moyenerera, pomwe pa platinamu (yomwe ili ndi malo osungunulira ambiri), ng'anjo imatha kukhazikitsidwa kuti igwire ntchito pa kutentha kwakukulu ndi mphamvu. Kusinthasintha kumeneku kumapangitsa ng'anjo yosungunulira zitsulo zosungunulira zitsulo kukhala yankho limodzi lokha losungunulira zitsulo zamtengo wapatali zosiyanasiyana pamalo amodzi opangira.

3.4.2 Masayizi Osiyanasiyana Olipiritsa

Zitofu zimenezi zimapezeka m'mitundu yosiyanasiyana, zomwe zimathandiza kusungunula zitsulo zamtengo wapatali zamitundu yosiyanasiyana. Kaya ndi kupanga zodzikongoletsera zazing'ono zomwe zimafuna kusungunula magalamu angapo a zitsulo zamtengo wapatali kapena ntchito yayikulu yosungunula zitsulo zamtengo wapatali m'mafakitale yogwira ntchito ndi makilogalamu a zitsulo zamtengo wapatali, pali ng'anjo yoyenera yosungunula zitsulo. Zitofu zazing'ono nthawi zambiri zimagwiritsidwa ntchito m'mafakitale osungiramo zodzikongoletsera, komwe kupanga molondola komanso pang'ono ndikofunikira. Zitofu zazikulu zamafakitale zimatha kugwira zitsulo zamtengo wapatali zambiri, kukwaniritsa zosowa za mafakitale monga kupanga zamagetsi, zomwe zimafuna zitsulo zamtengo wapatali zambiri zoyera kuti zipange zinthu.

3.5 Chitetezo ndi Ukhondo wa Chilengedwe

3.5.1 Ntchito Yotetezeka

Ma uvuni osungunula mpweya pogwiritsa ntchito tilting induction melting ng'anjo amapangidwa ndi zinthu zambiri zotetezera. Makina otenthetsera mpweya pogwiritsa ntchito ma elekitiromagineti sagwiritsa ntchito malawi otseguka, zomwe zimachepetsa chiopsezo cha moto ndi kuphulika poyerekeza ndi uvuni woyaka mafuta. Kuphatikiza apo, uvuni uli ndi chitetezo chopitirira kutentha, chitetezo chotuluka, ndi zida zina zotetezera. Mwachitsanzo, ngati kutentha kwa ng'anjo kupitirira malire okhazikitsidwa, magetsi adzazimitsidwa okha kuti apewe kuwonongeka kwa zida ndi zoopsa zomwe zingachitike. Makina otsetsereka alinso ndi maloko achitetezo ndi ma switch oletsa kuti ntchito yotsetsereka ichitike bwino komanso mosamala.

3.5.2 Kuchepa kwa Mpweya Woipa

Popeza ng'anjo zosungunula zomwe zimapindika sizidalira kuyaka kwa mafuta, zimatulutsa mpweya wochepa kwambiri poyerekeza ndi ng'anjo zachikhalidwe zomwe zimayaka mafuta. Sizitulutsa zinthu zoipitsa monga sulfur dioxide (SO_{2}), nitrogen oxides (NO_{x}), ndi tinthu tating'onoting'ono. Izi sizothandiza chilengedwe chokha komanso thanzi la ogwira ntchito m'fakitale yosungunula. Kuphatikiza apo, kugwiritsa ntchito bwino mphamvu za ng'anjozi kumatanthauza kuti mphamvu zochepa zimagwiritsidwa ntchito, zomwe zimachepetsa mpweya woipa womwe umabwera chifukwa cha njira yosungunula, zomwe zimathandiza padziko lonse lapansi polimbana ndi kusintha kwa nyengo.

4. Maphunziro a Milandu ndi Ntchito Zamakampani

4.1 Makampani Ogulitsa Zodzikongoletsera

Mu makampani opanga zodzikongoletsera, ubwino ndi kuyera kwa zitsulo zamtengo wapatali ndizofunikira kwambiri. Opanga zodzikongoletsera ambiri apamwamba amagwiritsa ntchito uvuni wosungunula zitsulo kuti asungunule golide, siliva, ndi platinamu. Mwachitsanzo, kampani yodziwika bwino yodzikongoletsera ku Italy yanena kuti atasintha kugwiritsa ntchito uvuni wosungunula zitsulo, ubwino wa zodzikongoletsera zawo zagolide wakula kwambiri. Kusungunuka kwa golide koyera kwambiri kumatsimikizira kuti golideyo imasunga kuwala ndi mtundu wake kwa nthawi yayitali. Kuthamanga kwa kusungunuka mwachangu komanso kuthira molondola kumathandizanso mapangidwe a zodzikongoletsera ovuta komanso atsatanetsatane, chifukwa chitsulo chosungunuka chimatha kutsanulidwa molondola mu nkhungu zovuta.

4.2 Makampani a Zamagetsi

Makampani opanga zamagetsi amafuna zitsulo zamtengo wapatali zoyera kwambiri kuti apange zinthu monga zolumikizira, ma circuit board, ndi masensa. Palladium ndi platinamu nthawi zambiri zimagwiritsidwa ntchito pa ntchitozi chifukwa cha mphamvu zawo zamagetsi komanso kukana dzimbiri. Kampani yotsogola yopanga zamagetsi ku Japan yagwiritsa ntchito uvuni wosungunula zitsulo zamtengo wapatalizi. Kugwiritsa ntchito bwino mphamvu ya ng'anjo kwachepetsa ndalama zomwe amagwiritsa ntchito popanga, pomwe kusungunuka kwa ng'anjo kwawonjezera magwiridwe antchito ndi kudalirika kwa zinthu zawo zamagetsi. Kusinthasintha kwa ng'anjo kuti igwire ntchito zosiyanasiyana kumakwaniritsanso zosowa zosiyanasiyana zopangira zamagetsi, kuyambira kupanga zinthu zazing'ono mpaka kupanga zinthu zazikulu.

5. Mapeto

Pomaliza, uvuni wosungunula zitsulo zosungunula zitsulo zosungunula zitsulo umapereka ubwino wambiri pa kusungunula zitsulo zamtengo wapatali. Mphamvu zawo zosungunula zitsulo zoyera kwambiri, kugwiritsa ntchito mphamvu moyenera, kuthamanga kwa kusungunula, kusinthasintha, komanso chitetezo zimapangitsa kuti zikhale chisankho chabwino kwambiri kwa mafakitale omwe amagwira ntchito ndi zitsulo zamtengo wapatali. Pamene kufunikira kwa zinthu zamtengo wapatali zachitsulo chamtengo wapatali kukupitirira kukula m'mafakitale osiyanasiyana monga zodzikongoletsera, zamagetsi, ndi mano, kugwiritsa ntchito uvuni wosungunula zitsulo zo ...