Kafukufuku Wozama pa Ubale Pakati pa Kapangidwe ndi Kugwira Ntchito kwa Galvalume Steel Coil

M'magawo monga kumanga makoma a makatani, nyumba zosungiramo zida, ndi mabulaketi a photovoltaic, ma coil achitsulo a galvalume pang'onopang'ono akulowa m'malo mwa ma coil achitsulo achikhalidwe ngati chisankho chachikulu chifukwa cha ubwino wawo wowirikiza wa kukana dzimbiri komanso kugwiritsa ntchito bwino ndalama. Kaya ndi Mtengo wa Galvalume Steel Coil, chinthu chofunikira kwambiri pakugula kwaukadaulo, kapenaASTM A792 GalvalumePopeza mfundo zomwe zafotokozedwa momveka bwino mu miyezo yopangira, kusiyana kwa magwiridwe antchito apakati kumachokera ku kuwongolera kolondola kwa kapangidwe kake. Lero, tiyamba ndi kusanthula kapangidwe kake kuti tipeze zinsinsi za magwiridwe antchito a ma coil achitsulo a galvalume (kuphatikiza Galvalume Roll, Steel Coil Galvalume, ndi zina zotero).
I. Kusanthula kwa Kapangidwe ka Chitsulo cha Galvalume
Kagwiridwe ka ntchito ka ma coil achitsulo a galvalume kamatsimikiziridwa ndi "zinthu zoyambira" ndi "chophimba." Kuchulukana kwa zigawo kumakhudza mwachindunji zochitika zoyenera za chinthu chomaliza. Mwachitsanzo, kapangidwe ka Galvalume Steel Coil Az150, komwe kumafuna kukana dzimbiri kwambiri, kumasiyana kwambiri ndi ka Galvalume Coil wamba.
1. Kupaka: "Chiŵerengero cha Golide" cha Aluminiyamu, Zinki, ndi Silicon

Chophimba cha aluminiyamu-zinc si chitsulo chimodzi, koma dongosolo la alloy la aluminiyamu (55%), zinki (43.5%), ndi silicon (1.5%). Chiŵerengero ichi ndi yankho labwino kwambiri lomwe limatsimikiziridwa kudzera mu machitidwe a nthawi yayitali:
* Aluminiyamu (Al): "Pakati pake pophimba ndi dzimbiri" pachophimbacho. Aluminiyamu imapanga filimu yolimba ya Al₂O₃ oxide pamwamba pa chozungulira chachitsulo, yomwe imatha kupirira dzimbiri kuchokera ku malo ovuta monga mvula ya asidi ndi kupopera mchere. Ichi ndi chifukwa chachikulu chomwe ma coil achitsulo okhala ndi aluminiyamu-zinc ali ndi kukana dzimbiri kopitilira 3-5 kuposa ma coil wamba achitsulo;
* Zinc (Zn): Imagwira ntchito ngati "chitetezo cha anode ya nsembe." Chophimbacho chikakanda, zinc imachita bwino ndi mpweya kuti chitsulo choyambira chisachite dzimbiri. Nthawi yomweyo, kupezeka kwa zinc kungathandizenso kuti chophimbacho chikhale cholimba, zomwe zimapangitsa kuti Galvalume Roll ikhale yosavuta kupindika ndikupondaponda;
* Silicon (Si): Imathetsa vuto la "kumatirira kophimba". Silicon imatha kuletsa kuyankhidwa pakati pa aluminiyamu ndi chitsulo kuti apange zinthu zofooka komanso zolimba za Fe-Al intermetallic, zomwe zimachepetsa chiopsezo cha kupukuta. Mphamvu yokhazikika ya silicon ndiyofunikira kwambiri pa Galvalume Steel Coil Az150 yokhuthala (AZ150 imayimira 150g ya kulemera kwa chophimba pa mita imodzi).
2. Kapangidwe ka Substrate: "Chitsimikizo Choyambira" cha Chitsulo Chopanda Mpweya Wochepa

Gawo lazitsulo za galvalumeKawirikawiri ndi chitsulo chopanda mpweya wokwanira (kuchuluka kwa mpweya ≤0.12%), chowonjezeredwa ndi manganese pang'ono (0.3-0.6%) ndi phosphorous (≤0.045%): Mpweya (C): Kuchuluka kwa mpweya wokwanira kumapangitsa kuti gawo lapansi likhale lolimba kwambiri, zomwe zimapangitsa kuti lizitha kusweka panthawi yokonza; kucheperako kwambiri kumachepetsa mphamvu ya coil yachitsulo. Chifukwa chake, kuchuluka kwa mpweya wokwanira wa chitsulo chopanda mpweya wokwanira kuyenera kulamulidwa mosamala mkati mwa "mphamvu ndi kusinthasintha kwa processability"; Manganese (Mn): Kuchuluka kochepa kwa manganese kumatha kupititsa patsogolo mphamvu ya gawo lapansi popanda kukhudza kwambiri ductility, zomwe zimapangitsa kuti likhale loyenera kugwiritsidwa ntchito ponyamula katundu (monga galvalume yachitsulo ya galvalume ya mabulaketi a photovoltaic); Phosphorus (P): Phosphorus imawonjezera kufooka kwa chitsulo, chifukwa chake kuchuluka kwa phosphorous mu gawo lapansi kuyenera kukhala kochepa, komwe ndi chimodzi mwa zizindikiro zomwe zafotokozedwa momveka bwino mu muyezo wa ASTM A792 Galvalume.
II. Ubale Pakati pa Kapangidwe ndi Makhalidwe Ofunika Kwambiri Kumvetsetsa kapangidwe kake kumatithandiza kuona bwino chifukwa chake enaMa Coil a Galvalumendi oyenera kumangidwa panja pomwe ena ndi oyenera kuyika ziwiya zapanja—chofunikira kwambiri ndi kusiyana kwa magwiridwe antchito komwe kumachitika chifukwa cha kusintha kwa kapangidwe kake.

1. Kukana Kudzimbiritsa: Kuchuluka kwa Aluminiyamu Kumazindikira "Mulingo Woteteza" Kukana dzimbiri ndiye mpikisano waukulu wamipukutu ya galvalume, ndipo ubale wake ndi kapangidwe kake ndi wolunjika kwambiri: Pamene kuchuluka kwa aluminiyamu mu chophimbacho kukukwera kuchoka pa 50% mpaka 55%, kuchuluka kwa filimu ya Al₂O₃ oxide kumawonjezeka kwambiri. M'malo opopera mchere m'mphepete mwa nyanja, nthawi yowononga ya coil yachitsulo ikhoza kukulitsidwa kuyambira zaka 10 mpaka zaka zoposa 20. Ngati kuchuluka kwa silicon kuli pansi pa 1%, kudzapangitsa kuti kuphatikizika pakati pa chophimbacho ndi substrate kuchepe, zomwe zimapangitsa kuti chophimbacho chikhale ndi matuza mu mayeso opopera mchere; ngati chili pamwamba pa 2%, chidzawonjezera kufooka kwa chophimbacho, motero kuchepetsa kulimba kwa dzimbiri. Ichi ndichifukwa chake Galvalume Steel Coil AZ150 ili ndi kukana dzimbiri kwamphamvu kuposa AZ100 (chopopera cha 100g pa mita imodzi ya sikweya) - sikuti chophimbacho ndi chokhuthala kokha, komanso chiŵerengero cha aluminium-zinc-silicon chikugwirizananso bwino ndi zofunikira kwambiri zotetezera.
2. Katundu wa Makina: Kapangidwe ka Substrate Kumalamulira "Mphamvu ndi Kuthekera Kogwirira Ntchito"
Mphamvu: Pa kuwonjezeka kulikonse kwa 0.1% kwa kuchuluka kwa manganese mu substrate, mphamvu ya coil yachitsulo imatha kuwonjezeka ndi 5-8 MPa. Chifukwa chake, pa Galvalume Steel Coil yomwe imagwiritsidwa ntchito ponyamula katundu, kuchuluka kwa manganese kumayendetsedwa pa 0.5-0.6%.
Kuthekera Kogwiritsa Ntchito: Pa ntchito zomwe zimafuna kuponda movutikira, monga zikwama za zida, zinthu zokhala ndi mpweya wochuluka wa kaboni ≤0.1% zimasankhidwa, pomwe silicon yomwe ili mu chopondacho imachepetsedwa kufika pafupifupi 1.5% kuti pulasitiki isasweke ikaponda. 3. Kukana Kutentha Kwambiri: Ubwino wa Aluminiyamu wa "Kukhazikika kwa Kutentha Kwambiri"
Malo osungunuka a aluminiyamu (660℃) ndi okwera kwambiri kuposa a zinc (419℃), chifukwa chake, kukana kutentha kwambiri kwa ma coil achitsulo cha aluminiyamu ndikwabwino kwambiri kuposa ma coil achitsulo cha galvanized:
Mu malo ochepera 200℃ (monga zophimba uvuni), magwiridwe antchito a chophimbacho ndi okhazikika;
Ngakhale kutentha kwa nthawi yochepa kwa 300℃, filimu ya Al₂O₃ imatha kuletsa kukhuthala kwa utoto, chomwe ndi chifukwa chachikulu chomwe Galvalume Roll imagwiritsidwira ntchito ngati chimneys ndi mapaipi otentha kwambiri.

III. Ubale Pakati pa Kapangidwe, Magwiridwe, ndi Mtengo wa Galvalume Steel Coil

Anthu ambiri amadabwa panthawi yogula: N’chifukwa chiyani kusiyana kwa mitengo ya Galvalume Coil ya zinthu zomwezo kungafikire 100-200 RMB/tani? Mwachidule, kusiyana kwa mitengo kumasonyeza mtengo wa zinthuzi: Mtengo wophimba: Mtengo wamsika wa aluminiyamu ndi wowirikiza kawiri kapena katatu kuposa zinc. Chifukwa chake, kuchuluka kwa aluminiyamu mu chophimbacho (monga AZ150 poyerekeza ndi AZ90), mtengo wake ndi wokwera, komanso mtengo wake ndi wokwera wa Galvalume Steel Coil. Mtengo wa zinthu zoyambira: Kuchuluka kwa manganese ndi kutsika kwa phosphorous mu chitsulo chotsika cha kaboni, mtengo wosungunulira umakwera, komanso mtengo wake ndi wokwera wa Galvalume Steel Coil. Mtengo wamba: Zinthu zomwe zimagwirizana ndi muyezo wa ASTM A792 Galvalume zimakhala ndi ulamuliro wokhwima wololera zinthu (monga, kusiyana kwa zinthu za aluminiyamu ≤ ±1%), kuchuluka kwa zinyalala panthawi yopanga, komanso mtengo wake ndi wokwera ndi 5-8% kuposa zinthu zomwe sizili zokhazikika. IV. Nkhani Yogwiritsira Ntchito: Kufunika Kosankha Zopangira

Ntchito yomanga m'mphepete mwa nyanja inayerekeza mitundu iwiri ya ma coil achitsulo a galvalume: Ordinary Galvalume Coil (50% aluminiyamu, 1% silicon): Kuzingidwa kwa malo ena kunaonekera patatha zaka 3 kugwiritsidwa ntchito; Galvalume Steel Coil Az150 (55% aluminiyamu, 1.5% silicon), yogwirizana ndi ASTM A792: Palibe dzimbiri lalikulu patatha zaka 5 kugwiritsidwa ntchito, komanso palibe kusintha kwa kutentha panthawi ya mphepo yamkuntho (makhalidwe apamwamba a makina). Pomaliza ntchitoyi inasankha yachiwiri. Ngakhale mtengo woyamba wa Galvalume Steel Coil unali wapamwamba ndi 150 RMB/ton, nthawi yogwirira ntchito inakulitsidwa ndi zaka zoposa 10, zomwe zinapangitsa kuti mtengo wotsika wa nthawi yayitali ukhale wotsika.

Kutsiliza: Kapangidwe ka kapangidwe ka zitsulo za galvalume ndi njira "yofanana bwino ndi zofunikira": AZ150 (aluminium yapamwamba, silicon yayikulu) imasankhidwa kuti iteteze dzimbiri kwambiri; silicon yochepa, substrates yotsika ndi carbon yochepa imasankhidwa kuti igwiritsidwe ntchito movuta; ndipo zinthu zokhazikika za ASTM A792 zimasankhidwa kuti zigwiritsidwe ntchito potumiza kunja. Ndi chitukuko chamtsogolo cha mafakitale a photovoltaic ndi mphamvu zatsopano, kukonza kapangidwe kake (monga kuwonjezera zinthu zochepa zapadziko lapansi kuti ziwongolere kukana dzimbiri) kudzakhala njira yofunika kwambiri yopangira zitsulo za aluminiyamu, ndikukulitsa malire awo ogwiritsira ntchito.