M'malo opangira ng'anjo zotentha kwambiri zamafakitale (monga zosinthira zitsulo, ma ladle, ndi ng'anjo zophulika),njerwa za magnesium carbonzimawonekera ngati zida zodzitetezera, chifukwa cha kukana kwawo kwa dzimbiri, kukhazikika kwa kutentha kwambiri, komanso kukana kugwedezeka kwamafuta. Kapangidwe ka njerwa izi ndi kuphatikiza kokhazikika kwaukadaulo ndi kulondola- sitepe iliyonse imatsimikizira mwachindunji mtundu womaliza wa mankhwala. Pansipa, tikukutengerani ntchito yonse yopanga njerwa za magnesium kaboni, ndikuwulula momwe timawonetsetsa kuti njerwa iliyonse ikukwaniritsa miyezo yamakampani.
1. Kusankha Kwazinthu Zopangira: Maziko a Njerwa Zapamwamba za Magnesium Carbon
Ubwino wa zida zopangira ndiye mzere woyamba wachitetezo pakuchita njerwa za magnesium. Timatsatira njira zosankhidwa bwino kuti tiwonetsetse kuti gawo lililonse likukwaniritsa miyezo yapamwamba:
High-Purity Magnesia Aggregate:Timagwiritsa ntchito magnesia osakanikirana kapena sintered magnesia okhala ndi MgO yopitilira 96%. Zopangira izi zimapatsa njerwayo mphamvu yolimbana ndi kutentha kwambiri komanso kukana dzimbiri, kupirira bwino pakukokoloka kwa chitsulo chosungunuka ndi slag m'ng'anjo.
Gwero la Carbon Wapamwamba:Natural flake graphite yokhala ndi mpweya wa 90% + imasankhidwa. Mapangidwe ake osanjikiza amathandizira kukana kutenthedwa kwa njerwa, kumachepetsa chiopsezo cha kusweka chifukwa cha kusintha kwachangu kwa kutentha panthawi ya ng'anjo.
Premium Binder:Phenolic resin (yosinthidwa chifukwa cha kutentha kwambiri) imagwiritsidwa ntchito ngati binder. Zimatsimikizira mgwirizano wamphamvu pakati pa magnesia ndi graphite, ndikupewa kusungunuka kapena kuwola pa kutentha kwakukulu, zomwe zingakhudze kukhulupirika kwa njerwa.
Tsatirani Zowonjezera:Kuchuluka kwa antioxidants (monga aluminiyamu ufa, silicon ufa) ndi sintering zothandizira kupewa graphite makutidwe ndi okosijeni ndi kusintha kachulukidwe njerwa. Zopangira zonse zimayesedwa maulendo atatu kuti athetse zonyansa zomwe zitha kufooketsa magwiridwe antchito
2. Kuphwanya ndi Granulating: Kuwongolera Kukula kwa Particle Yeniyeni kwa Kapangidwe Kamodzi
Kugawa kwa tinthu ting'onoting'ono ndikofunikira pakuwonetsetsa kuti kachulukidwe ndi mphamvu za njerwa za kaboni za magnesium. Gawo ili limatsata magawo okhwima aukadaulo:
Njira Yophwanyira:Choyamba, midadada ikuluikulu ya magnesia ndi ma graphite amaphwanyidwa kukhala tizigawo ting'onoting'ono pogwiritsa ntchito ma crushers a nsagwada ndi zophwanyira mphamvu. Liwiro lophwanyidwa limayang'aniridwa pa 20-30 rpm kuti mupewe kutenthedwa ndi kuwonongeka kwa kapangidwe kazinthu.
Kuwunika ndi Kugawa:Zida zophwanyidwa zimawunikiridwa kudzera pazithunzi zogwedezeka zamitundu yambiri (zokhala ndi mauna makulidwe a 5mm, 2mm, ndi 0.074mm) kuti zizilekanitsa kukhala zophatikizika (3-5mm), zophatikizika zapakati (1-2mm), zophatikiza zabwino (0.074-1mm), ndi ufa wokulirapo (<0.0). Kulakwitsa kwa kukula kwa tinthu kumayendetsedwa mkati mwa ± 0.1mm
Granule Homogenization:Kukula kwa tinthu kosiyanasiyana kumasakanizidwa ndi chosakaniza chothamanga kwambiri kwa mphindi 10-15 pa liwiro la 800 rpm. Izi zimatsimikizira kuti gulu lililonse la ma granules limakhala ndi kapangidwe kofanana, kuyala maziko a kachulukidwe ka njerwa zofanana.
3. Kusakaniza ndi Kukanda: Kupeza Kugwirizana Kwamphamvu Pakati pa Zigawo
Gawo losanganikirana ndi kukanda limatsimikizira mphamvu yolumikizana pakati pa zopangira. Timagwiritsa ntchito zosakaniza zapamwamba za double-helix ndikuwongolera mosamalitsa momwe zimakhalira:
Kusakaniza Zouma Zouma:Zosakaniza zowoneka bwino, zapakati, ndi zabwino zimasakanizidwa zouma kwa mphindi zisanu kuti zitsimikizire kugawidwa kwa gawo lililonse. Izi zimapewa kuchulukitsa kwa carbon kapena magnesia, zomwe zingayambitse kusiyana kwa magwiridwe antchito
Kuwonjezera Binder ndi Kneading:Kusinthidwa phenolic resin (kutenthedwa mpaka 40-50 ℃ kwa madzi abwinoko) kumawonjezeredwa kusakaniza kowuma, ndikutsatiridwa ndi mphindi 20-25 za kukanda. Kutentha kwa chosakaniza kumasungidwa pa 55-65 ℃, ndipo kupanikizika kumayendetsedwa pa 0.3-0.5 MPa-izi zimatsimikizira kuti binder imakutira tinthu tating'onoting'ono, ndikupanga "magnesia-graphite-binder" yokhazikika.
Kuyesa Kofanana:Pambuyo kukanda, kusakanikirana kwa kusakaniza kumayesedwa mphindi 10 zilizonse. Kukhazikika koyenera ndi 30-40 (kuyezedwa ndi mita yokhazikika); ngati ndi youma kwambiri kapena yonyowa kwambiri, mlingo wa binder kapena nthawi yokanda umasinthidwa munthawi yeniyeni.
4. Press Forming: High-Pressure Shaping for Density and Strength
Kupanga atolankhani ndi gawo lomwe limapatsa njerwa za kaboni za magnesium mawonekedwe awo omaliza ndikuwonetsetsa kuti kachulukidwe kwambiri. Timagwiritsa ntchito makina osindikizira a hydraulic omwe ali ndi mphamvu zowongolera:
Kukonzekera nkhungu:Zoumba zachitsulo (malinga ndi zomwe makasitomala amafuna pa kukula kwa njerwa, monga 230 × 114 × 65mm kapena makulidwe apadera) amatsukidwa ndikukutidwa ndi chotulutsa kuti asakanize ku nkhungu.
Kuthamanga Kwambiri:Kusakaniza kokanda kumatsanuliridwa mu nkhungu, ndipo makina osindikizira a hydraulic amagwiritsa ntchito mphamvu ya 30-50 MPa. Kuthamanga kothamanga kumayikidwa ku 5-8 mm / s (kukankhira pang'onopang'ono kuchotsa thovu la mpweya) ndikusungidwa kwa masekondi 3-5. Izi zimatsimikizira kuti kuchuluka kwa njerwa kumafikira 2.8-3.0 g/cm³, ndi porosity yosakwana 8%.
Kuyimitsa ndi Kuyang'anira:Pambuyo pa kukanikiza, njerwazo zimangowonongeka ndikuziyang'anitsitsa zowonongeka (monga ming'alu, m'mphepete mwake). Njerwa zokhala ndi zolakwika zimakanidwa nthawi yomweyo kuti zisalowe munjira yotsatira
5. Chithandizo cha Kutentha (Kuchiritsa): Kupititsa patsogolo Kugwirizana kwa Binder ndi Kukhazikika
Kutentha mankhwala (kuchiritsa) kumalimbitsa binder a kugwirizana kwenikweni ndi kuchotsa kosakhazikika zinthu ku njerwa. Timagwiritsa ntchito ma kilns okhala ndi kutentha koyenera:
Kutentha kwa Stepwise: Njerwa zimayikidwa mu uvuni, ndipo kutentha kumakwera pang'onopang'ono:
20-80 ℃ (2 maola):Kusungunula chinyezi pamwamba;
80-150 ℃ (maola 4):Limbikitsani kuchiritsa koyambirira kwa utomoni;
150-200 ℃ (maola 6):Kulumikizana kwathunthu kwa resin ndikuchiritsa;
200-220 ℃ (maola 3):Khazikitsani dongosolo la njerwa.
Kutentha kumayendetsedwa pa 10-15 ℃ / ola kuti mupewe kusweka chifukwa cha kupsinjika kwa kutentha.
Kuchotsa Zinthu Zosasinthika:Pakuchiritsa, zinthu zosasinthika (monga ma resins ang'onoang'ono) zimatulutsidwa kudzera muutsi wamoto, kuwonetsetsa kuti mkati mwa njerwa ndi wandiweyani komanso wopanda voids.
Njira Yozizirira: Pambuyo pochiritsa, njerwazo zimazizidwa mpaka kutentha kwapakati pa 20 ℃ / ora. Kuzizira kofulumira kumapewa kuteteza kuwonongeka kwa kutentha kwa kutentha
6. Pambuyo Pokonza ndi Kuyang'anira Ubwino: Kuwonetsetsa Kuti Njerwa Iliyonse Ikukwaniritsa Miyezo
Gawo lomaliza la kupanga limayang'ana pakukonza molondola komanso kuyezetsa kozama kuti zitsimikizire kuti njerwa iliyonse ya kaboni ya magnesium ikukwaniritsa zofunikira zamafakitale:
Kupera ndi kudula:Njerwa zokhala ndi m'mphepete zosafanana zimatsitsidwa pogwiritsa ntchito makina opera a CNC, kuwonetsetsa kuti cholakwikacho chili mkati mwa ± 0.5mm. Njerwa zooneka mwapadera (monga njerwa zooneka ngati arc zosinthira) zimakonzedwa pogwiritsa ntchito ma 5-axis machining centers kuti zigwirizane ndi mapindikira amkati mwa ng’anjoyo.
Kuyesa Kwakukulu Kwambiri:Gulu lililonse la njerwa limayesa mayeso 5 ofunika:
Mayeso a Density ndi Porosity:Pogwiritsa ntchito njira ya Archimedes, onetsetsani kachulukidwe kachulukidwe ≥2.8 g/cm³ ndi porosity ≤8%.
Kuyesa Kwamphamvu kwa Compressive:Yesani kulimba kwa njerwa (≥25 MPa) pogwiritsa ntchito makina oyesera padziko lonse lapansi
Kuyesa Kulimbana ndi Thermal Shock Resistance:Pambuyo pa kutentha kwa 10 (1100 ℃) ndi kuzizira (kutentha kwa chipinda), fufuzani ming'alu (palibe ming'alu yowoneka yololedwa).
Kuyesa Kukaniza kwa Corrosion:Tsanzirani mikhalidwe ya ng'anjo kuti muyese kukana kwa njerwa pakukokoloka kwa slag (kukokoloka kwa ≤0.5mm/h).
Chemical Composition Analysis:Gwiritsani ntchito ma X-ray fluorescence spectrometry kuti mutsimikizire zomwe zili MgO (≥96%) ndi za carbon (8-12%).
Kupaka ndi Kusunga:Njerwa zoyenerera zimayikidwa m'makatoni oteteza chinyezi kapena pallets zamatabwa, zotchingidwa ndi filimu yoteteza chinyezi kuti zisatengeke ndi chinyezi panthawi yamayendedwe. Phukusi lililonse limalembedwa ndi nambala ya batch, tsiku lopanga, ndi satifiketi yowunikira kuti iwonetsedwe
Chifukwa Chiyani Tisankhire Njerwa Zathu Za Magnesium Carbon?
Njira yathu yokhazikika yopangira (kuchokera ku zopangira zopangira mpaka kukonzanso pambuyo) zimatsimikizira kuti njerwa zathu za kaboni za magnesium zimakhala ndi ntchito yabwino kwambiri m'ng'anjo zamakampani zotentha kwambiri. Kaya zosinthira zitsulo, ma ladle, kapena zida zina zotentha kwambiri, zinthu zathu zimatha:
Kupirira kutentha mpaka 1800 ℃ popanda kufewetsa kapena mapindikidwe
Pewani kukokoloka kwachitsulo chosungunuka ndi slag, kukulitsa moyo wautumiki wa ng'anjo ndi 30% +.
Chepetsani kuchuluka kwa zokonza komanso ndalama zopangira makasitomala
Timapereka mayankho makonda malinga ndi mtundu wa ng'anjo yanu, kukula kwake, ndi momwe mungagwiritsire ntchito. Lumikizanani nafe lero kuti mudziwe zambiri za njira yathu yopanga njerwa za magnesium kapena kuti mupeze mtengo waulere!
Nthawi yotumiza: Oct-29-2025
