Kodi Hot Dip Galvanizing Ndi Chiyani?
Hot dip galvanizing ndi positi-njira yotetezera dzimbiri momwe zitsulo zotsukidwa kapena chitsulo zimamizidwa mokwanira mu bafa yosungunuka ya zinki, yosamalidwa bwino.815–850 digiri F (435–455 digiri)ndi zinc bath chemistry yotchulidwa pansipaChithunzi cha ASTM B6. Chitsulo chikalumikizana ndi zinki wosungunuka, zinki imakumana ndi chitsulo ndikupanga zinki{1}}zosanjikiza zachitsulo ndi wosanjikiza wakunja wa zinki. Izi metallurgical anachita ndi kusiyana pakati pa otentha dip galvanizing ndi ❖ kuyanika pamwamba.
Chifukwa ndondomekoyi imachitika mukadula, kubowola, kuwotcherera, ndi kupanga, zotchingira zotentha-zitha kuteteza m'mbali mwake, m'makona, mabowo, ma weld, mabulaketi, ndi geometry yopangidwa movutikira nthawi imodzi yomiza. Izi zimapangitsa kuti zikhale zoyenera pazigawo zachitsulo zomwe zimakhala ndi mpweya wakunja, chinyezi cha zomera, mchere wamsewu, madzi opopera, ndi nthawi yayitali yokonza, kuphatikizapo mafelemu omangira, zothandizira mapaipi, zotchingira, zida zogwiritsira ntchito, ndi zida zopangira zitsulo.
Ubwino wa chitsulo chotentha-sikuyezedwa ndi kuwala kokha. Kuyang'anira akatswiri nthawi zambiri kumangoyang'ana makulidwe a zokutira, kupitiliza kwa pamwamba, kumamatira, malo opanda kanthu kapena osakutidwa, momwe kukonzanso, ndi mulingo woyenera mongaChithunzi cha ASTM A123, Chithunzi cha ASTM A153, Chithunzi cha ASTM F2329, ASTM A780, kapenaISO 1461. M'mawu omveka bwino, galvanizing yotentha yotentha imasankhidwa pamene zida zachitsulo zimafuna zokutira za zinki zoyezera, zolimba zomwe zingathe kuteteza malo enieni opangidwa m'malo mongopereka maonekedwe oyera.
Kodi Hot-Dip Galvanizing Imagwira Ntchito Motani?
Hot-dip galvanizing amagwira ntchito kudzera muzitsulo zoyendetsedwa bwinozinki wosungunuka ndi chitsulo choyera. Pambuyo pochotsa mafuta, pickling, ndi kusinthasintha, pamwamba pazitsulo zimakhala zopanda mafuta, dzimbiri, mphero, ndi ma oxides, zomwe zimapangitsa kuti zinc yosungunuka igwire chitsulo chopanda kanthu mwachindunji. Chigawocho chikalowa mu ketulo ya zinki, zinki imanyowetsa pamwamba ndipo imayamba kufalikira kumtunda wakunja wachitsulo.
Pakumizidwa, zinki ndi chitsulo zimachita kupanga mndandanda wazinki-zigawo za iron intermetalliczomwe zimakula kuchokera pamwamba pachitsulo kupita kunja. Chigawocho chikachotsedwa, gawo la zinc makamaka loyera limatsalira kunja ndikulimba ngati gawo lomaliza. Chotsatira chake ndi njira yokutira yomwe imamangiriridwa ku chitsulo pochita, osati kungomangiriridwa ndi makina omatira, omwe amathandiza kuti zokutira zitsatire m'mphepete, ngodya, zowotcherera, mabowo a bawuti, ndi zina zopangidwira pamene kuyeretsa, kutulutsa mpweya, ndi ngalande zimayendetsedwa bwino.
Njirayi ingamvetsetsedwe m'magawo atatu:
- Pamwamba pazitsulo amatsukidwa ndi mankhwalakotero zinc imatha kulumikizana ndi chitsulo chopanda kanthu.
- Zinc wosungunuka amakumana ndi chitsulondipo amapanga zinki-zosanjikiza za iron intermetallic.
- Chophimbacho chimateteza chitsulokudzera muchitetezo chotchinga, chitetezo chopereka nsembe, ndi-kupangidwa kwa zinc patina kwanthawi yayitali.
Ichi ndichifukwa chake kukonzekera pamwamba ndikofunikira. Ngati mafuta, dzimbiri, sikelo ya mphero, utoto, kuwotcherera slag, kapena okusayidi zitsalira pamwamba, zinki sizingapange kusanjikiza kosalekeza. Zotsatira zake zitha kukhala madontho opanda madontho, kusakula bwino kwa zokutira, kapena kusamata kolimba mosalekeza.
Zitsulo zotentha-zimateteza zitsulo m'njira zingapo:
- Chitetezo chotchinga:zokutira zinki zimalekanitsa chitsulo ndi okosijeni, chinyezi, ndi zida zowononga.
- Chitetezo cha Cathodic:ngati zokutira zikande, zinki zimawononga kwambiri ndipo zimathandiza kuteteza chitsulo chowonekera pafupi.
- Chitetezo cha Patina:pambuyo weathering, ndi nthaka pamwamba akufotokozera khola dzimbiri mankhwala kuchepetsa dzimbiri.
Kuphatikiza uku ndi komwe kumapangitsa kuti dip yotentha ikhale yosiyana ndi zokutira zambiri zopyapyala za zinki kapena makina opaka utoto.
Njira Zopangira Dip Dip galvanizing
Kutentha kwa dip galvanizing kumayamba ndi kukonzekera pamwamba, chifukwa nthaka yosungunuka imatha kuchita bwino ndi chitsulo choyera. Mafuta, dzimbiri, sikelo ya mphero, weld slag, kapena chinyezi chotsekeka chingalepheretse kunyowetsa zinki ndikupangitsa kuti pakhale mawanga kapena kukula kosiyana. Chitsulochi chikatsukidwa ndi kusungunulidwa, chimamizidwa mu zinki wosungunuka, pomwe zinki{2}}zigawo zachitsulo zimapangika pamwamba. Kuwunika komaliza kumawona ngati zokutirazo ndizopitilira, zoyezera, komanso zovomerezeka kuti zigwiritsidwe ntchito.
| Khwerero | Njira | Cholinga chaukadaulo |
|---|---|---|
| 1 | Degreasing / caustic kuyeretsa | Amachotsa mafuta, mafuta, dothi, ndi kuipitsidwa kwa organic |
| 2 | Kutola | Imachotsa dzimbiri ndi sikelo ya mphero pazitsulo |
| 3 | Kutsuka | Amachepetsa kunyamula kwamafuta-pakati pa matanki |
| 4 | Fluxing | Imachotsa ma oxides opepuka ndikuthandizira zinc yosungunuka kunyowetsa chitsulo |
| 5 | Kuyanika / preheating | Amachepetsa chinyezi musanamizidwe |
| 6 | Kumizidwa mu zinc wosungunuka | Amapanga zinki-zosanjikiza za iron alloy kudzera muzitsulo |
| 7 | Kuchotsa ndi kukhetsa madzi | Imachotsa zinc yochulukirapo ndikuwongolera kuchuluka kwa zokutira |
| 8 | Kuziziritsa | Kukhazikika ❖ kuyanika pamwamba |
| 9 | Kuyendera | Imawunika makulidwe a zokutira, mawonekedwe, malo opanda kanthu, ndi malo okonza |
Tsitsani: Tsatanetsatane wa Njira Yopangira Mafuta a Hot Dip
Nthawi zambiri, zitsulo zopangidwa ndi zitsulo zimaviikidwa pambuyo podula, kuwotcherera, kubowola, kapena kupanga. Izi ndizofunikira chifukwa m'mphepete, mabowo, malo otchingidwa, ndi malo opangidwa amatha kulandira zokutira zinki panthawi imodzi yomiza, malinga ngati kapangidwe kake kamaloleza mpweya wabwino komanso ngalande.
HDG Coating Layers ndi Corrosion Protection
Kapangidwe ka ❖ kuyanika ndi gawo lofunika kwambiri laukadaulo pakuyika galvanizing yotentha. Chophimba chotentha-chomatira cha dip sifilimu imodzi yokha. Ndi makina osanjikizana opangidwa ndi kusakanikirana ndi kuyanika pakati pa zinki ndi chitsulo. Chopaka cha HDG chimakhala ndi zinc-zosanjikiza zachitsulo pafupi ndi pamwamba pachitsulo ndi zinc wosanjikiza wakunja.
| Coating Zone | Mtundu Wofananira | Khalidwe Lalikulu | Ntchito |
|---|---|---|---|
| Chitsulo choyambira | Chitsulo gawo lapansi | Zida zamapangidwe | Amapereka mphamvu ndi katundu mphamvu |
| Mkati aloyi wosanjikiza | Mtundu wa gamma | Zinc{0}}zosanjikiza zachitsulo pafupi ndi chitsulo | Amapanga mgwirizano woyamba wazitsulo |
| Pakati aloyi wosanjikiza | Chigawo cha Delta | Dense zinki{0}}aloyi wosanjikiza | Imawonjezera kuuma ndi kukana abrasion |
| Outer alloy wosanjikiza | Zeta layer | Zinc-zochuluka aloyi wosanjikiza | Imathandizira makulidwe a zokutira komanso kulimba |
| Panja | Eta layer | Nthawi zambiri zinc | Imalimbitsa chitetezo chamthupi komanso chitetezo chamthupi |
| Weathered pamwamba | Zinc patina | Zinc dzimbiri zokhazikika | Imachedwetsa dzimbiri mowonjezereka powonekera mumlengalenga |
Tsitsani:Hot-Dip Galvanized Coating Anatomy and Corrosion ProtectionGuide
Zinc-zigawo za iron alloy ndi zolimba kuposa zinki yeniyeni ndipo zimamangiriridwa mwamphamvu kuchitsulo. Izi zimathandiza zokutira kuti zisagwirizane ndi kuwonongeka, kuwonongeka kwa mayendedwe, kukhudzana ndi kukhazikitsa, komanso kuvala kwanuko m'mphepete kapena pamakona. Mbali yakunja ya Eta ndi yofewa komanso yocheperako, yomwe imathandiza kuyamwa pang'ono komanso imapereka nthaka yayikulu ya zinki kuti ichepetse nyengo.
Chifukwa Chake Zomangamanga Zili Zofunika?
Chokutira chansanjika chimapereka kutentha-kuviika zitsulo zamalata zabwino zingapo zothandiza:
- Chophimbacho chimamangiriridwa kuchitsulo kudzera muzitsulo zazitsulo.
- Makona ndi m'mphepete nthawi zambiri amalandira zokutira bwino chifukwa gawo lonse lopangidwa limamizidwa.
- Zing'onoting'ono ❖ kuyanika kuwonongeka si nthawi yomweyo kuvumbula zitsulo kuti dzimbiri mofulumira.
- Zinc imatha kupereka chitetezo cha nsembe kuzungulira zingwe zazing'ono kapena madera odulidwa.
- Chophimbacho chimatha kuyezedwa, kuyang'aniridwa, ndikufotokozedwa ndi miyezo.
Kapangidwe kagawo kakang'ono kameneka ndi chifukwa chake mawonekedwe a zokutira a HDG amatha kusiyanasiyana. Ziwalo zina ndi zowala komanso zopapatiza, pomwe zina ndi zotuwa kapena zotuwa. Kusawoneka bwino kwa imvi sikungotanthauza kuphulika kopanda pake. Chemistry yachitsulo, makamaka silicon ndi phosphorous, imatha kufulumizitsa zinki-iron alloy kukula ndi kupanga zokutira zokhuthala, zakuda.
Zinc Patina ndi Chitetezo Chanthawi Yaitali-
Chitsulo chotentha{{0}chikalowa mumlengalenga, zinki yakunja imayamba kuchitapo kanthu ndi mpweya, chinyezi, ndi mpweya woipa. Pakapita nthawi, patina wokhazikika wa zinc amapanga pamwamba. Patina iyi imachepetsa kuwononga kwa zinki ndikuwonjezera moyo wautumiki.Komabe, chitsulo chatsopanocho chiyenera kusungidwa bwino. Ziwalo zikawunjika mwamphamvu m'malo onyowa popanda mpweya, dzimbiri loyera likhoza kupanga. Dzimbiri loyera nthawi zambiri limagwirizana ndi chinyezi chotsekeka komanso mpweya wabwino panthawi yosungira kapena kunyamula, osati kulephera kwa njira yopangira malata.
Pamapulojekiti okhudza kusungirako panja, mayendedwe apanyanja, kapena njira zazitali zotumizira, zida zokhala ndi malata ziyenera kupakidwa ndikusungidwa ndi:
- ngalande danga pakati pa pamwamba
- malo owuma ngati nkotheka
- mpweya wabwino
- kulekana ndi mankhwala aukali
- kuyendera pamaso unsembe
Miyezo Yotenthetsera Dip Dip ndi Kuyang'ana
Hot dip galvanizing iyenera kufotokozedwa ndikuwunikiridwa molingana ndi muyezo wolondola. Miyezo yosiyana imagwira ntchito pazitsulo zomangika, zida, zolimbikitsira, zomangira ulusi, ndi malo okonzera.
| Standard | Chigawo Chofanana |
|---|---|
| ASTM A123 / A123M | Zinc otentha-zopaka malata pazitsulo ndi zitsulo |
| ASTM A153 / A153M | Kupaka kwa zinc pazitsulo zachitsulo ndi zitsulo |
| ASTM A767 / A767M | Zinc-zitsulo zotchingira zachitsulo |
| ASTM F2329/F2329M | -zopaka zinki zotentha za carbon ndi alloy steel bolts, screws, washers, nuts, and threaded fasteners |
| ASTM A780 | Kukonza madera owonongeka ndi opanda malata |
| ISO 1461 | Zopaka zothira malata otentha pazitsulo zopangidwa ndi chitsulo ndi zitsulo |
Kuyendera sikungoyang'ana maso. Kuyang'anira kothandiza kwa HDG nthawi zambiri kumaphatikizapo kuyeza makulidwe a zokutira, kuwunikanso mawonekedwe, kuyang'ana malo opanda kanthu, kukonzanso, ndikutsimikizira kuti ngalande kapena zotulutsa mpweya sizikhudza zomwe akufuna.
Zinthu zoyendera bwino ndi izi:
- Makulidwe a zokutira:kuyeza ndi maginito makulidwe gauge kapena njira zina zovomerezeka.
- Maonekedwe apamwamba:kufufuzidwa ngati kuuma, zotupa, kuthamanga, phulusa, phulusa, kapena kuchuluka kwambiri.
- Malo opanda kanthu:iwunikiridwa kuti awone ngati kukonzanso kukufunika.
- Kumamatira:kufufuzidwa ngati pakufunika malinga ndi momwe polojekiti ikuyendera.
- Malo okhala ndi ulusi:amawunikiridwa kuti ayenerere atakutira pomwe ma bolt, mtedza, kapena ulusi amakhudzidwa.
- Malo okonza:kukonzedwa molingana ndi njira yokonzera yomwe yatchulidwa komanso kuvomereza.
Kwa zitsulo zopangidwa, makulidwe amafunikira nthawi zambiri amadalira makulidwe achitsulo ndi gulu lazinthu. Kufotokozera momveka bwino kuyenera kutanthauzira zambiri kuposa zofunikira zonse; ikuyenera kunena mulingo woyenera, mtundu wazinthu, kuchuluka kwa zoyendera, ndi malo aliwonse apadera kapena malo ophatikizira.
Hot Dip Galvanizing vs Zovala Zina za Zinc
Sizitsulo zonse zokhala ndi malata zomwe zimakhala ndi mawonekedwe ofanana. Mawu oti "malata" angatanthauze njira zingapo zokutira zinki, koma kulimba kwawo, makulidwe awo, kutetezedwa m'mphepete, ndi magwiridwe antchito zitha kukhala zosiyana kwambiri.
| Kanthu | Zotentha-Dip Galvanizing | Electro-Galvanizing / Zinc Plating | Pre-Chitsulo cha Galvanized |
|---|---|---|---|
| Njira yokutira | Chitsulo chopangidwa chimamizidwa mu zinc wosungunuka | Zinc imayikidwa ndi electrochemical process | Chitsulo kapena chubu chimakutidwa musanapangidwe |
| Mapangidwe opaka | Zinc-zigawo za iron alloy kuphatikiza zinki zakunja | Woonda waika zinki wosanjikiza | Zotikira za fakitale-zopaka zinki mosalekeza |
| Kugwirizana | Metallurgical anachita | Kuyika pamwamba | Kupaka fakitale musanadulire kapena kupanga |
| Chitetezo cha m'mphepete | Zabwino pazigawo zomizidwa | Zochepa pa geometry yakuthwa | M'mphepete mwake mutha kuwonetsa chitsulo chopanda kanthu |
| Kugwiritsa ntchito mwachizolowezi | Zitsulo zomangira, zothandizira mapaipi, zoteteza, zida zopangidwa panja | Zigawo zamkati, zing'onozing'ono, maonekedwe{0}}zinthu zokhudzidwa | Mapepala, chubu chowala, zinthu zopangidwa |
| Kuletsa kwakukulu | Kukula kwa ketulo, polowera mpweya, ngalande, zomangira zokutira | Malo ocheperako{0}}olemera kwambiri | Malo owotcherera kapena odulidwa angafunikire chitetezo chowonjezera |
Tsitsani:Hot-Dip Galvanizing vs Zopaka Zinc Zina
Kutentha kwa dip galvanizing nthawi zambiri kumakondedwa pamene gawo lomaliza liyenera kutetezedwa pambuyo pa kuwotcherera, kudula, kubowola, kapena kupanga. Pre-zitsulo zagalasi zitha kukhala zoyenera kupepuka-mapepala opangira ntchito kapena zopangira machubu, koma m'mphepete mwake ndi zomata zimafunikira chisamaliro chowonjezera. Electro-galvanizing ndi zinc plating zimatha kutha bwino, koma nthawi zambiri zimagwiritsidwa ntchito pomwe zokutira zocheperako ndizovomerezeka.
Kodi Chitsulo Choyaka Dip Chimagwiritsidwa Ntchito Kuti?
Chitsulo chovimbidwa chotentha chimagwiritsidwa ntchito pomwe chitetezo cha dzimbiri chiyenera kupulumuka panja kapena m'mafakitale. Njira zoyenerera kwambiri ndi zimene kupentanso kuli kovuta, kupezako kuli kochepa, kapena pamwamba pa zitsulo pangakhale chinyontho, makwinya, kapena kutentha-kwanthawi yaitali.
Zomwe zimagwiritsidwa ntchito nthawi zambiri zimaphatikizapo:
- Mafelemu akunja:malo oimikapo magalimoto, nsanja, masitepe, njanji, ndi mafelemu othandizira omwe ali ndi mvula, chinyezi, ndi kuipitsidwa kwamlengalenga.
- Zopangira mapaipi ndi zothandizira mapaipi:mabulaketi, zishalo, zopachika, ndi zitsulo zogwiritsiridwa ntchito m'zomera zomwe zimawonongeka, madzi owazidwa, ndi zokutira zimatha kuwonongeka poikapo.
- Zida za Highway:zipilala, zikwangwani, mizati yowunikira, zoyikapo mlatho, ndi zotchinga zomwe zimakumana ndi madzi amsewu, fumbi, mchere, ndi kuwongolera.
- Zothandizira ndi mphamvu:mbali za nsanja zotumizira, mizati, mikono yodutsana, ndi zida zoyikidwa pamalo otseguka pomwe kupenta nthawi zonse sikuthandiza.
- Zomangamanga zachitsulo:mabasiketi, mabulaketi owotcherera, mafelemu, ndi maenje omwe m'mphepete mwake, ma welds, ndi mabowo obowoleredwa amafunikira chitetezo-pakupanga zinthu.
Kwa chitoliro chachitsulo, chubu, ndi zida zopanda kanthu, tsatanetsatane wa mapangidwe amakhala ofunikira kwambiri. Magawo otsekedwa ayenera kulola mpweya ndi zinki wosungunuka kuyenda bwino. Popanda mpweya wabwino ndi ngalande, kuthamanga kotsekeka, kusungidwa kwa asidi, kapena zokutira zosakwanira zimatha kuchitika. Kwa ntchito zoperekera mapaipi,otentha-paipi yoviyitsa yachitsuloziyenera kuunikiridwa pamodzi ndi muyezo chitoliro, nthaka ❖ kuyanika chofunika, mapeto mtundu, kulongedza njira, ndi zikalata kuyendera.
Zolemba Zopanga ndi Zopanga Pamaso Pa Dip Dip Galvanizing
Hot dip galvanizing ndi njira yomiza kwathunthu, kotero kapangidwe kagawo kamene kamakhudza kwambiri ❖ kuyanika ndi chitetezo. Gawo lopangidwa bwino-lokhala ndi malata limalola kuti zinthu zamadzimadzi zoyeretsera, zotuluka, mpweya, ndi zinki zosungunuka zilowe ndi kukhetsa popanda kutsekereza madzi kapena kuthamanga.
Mfundo zazikuluzikulu zopanga zinthu ndizo:
- Zigawo zapakati zimafunika kukula bwinotulutsani mabowo ndi mabowo okhetsa.
- Malo opiringizika ndi mipata yolimba imatha kutsekereza mankhwala oyeretsera kapena chinyezi.
- Weld slag, utoto, mafuta, ndi zolembera zolemetsa ziyenera kuchotsedwa musanayambe kukometsera.
- Ulusi, mabowo olondola, ndi ma sliding ang'onoang'ono amafunikira mwayi woti apangire zokutira.
- Zomangamanga zazikulu ziyenera kukwanira ketulo yopangira malata kapena zopangidwira kuti zilowerere pang'onopang'ono.
- Kuwotcherera kapena kugaya pambuyo pa malata kumachotsa chitetezo chapafupi ndipo kumafuna kukonza.
- Zisindikizo{{0}zomata zowotcherera ziyenera kuwunikiridwa mosamala kuti zipewe mpweya kapena kuphulika pakamizidwa.
Kwa mafelemu ovuta, zothandizira mapaipi, ndi ma tubular, mapangidwe opangira malata ayenera kuunikanso musanapangidwe. Kulowera kolowera bwino ndi ngalande sizinthu zodzikongoletsera; zimakhudza kupitiliza kwa zokutira, chitetezo cha ogwira ntchito, kukwanira bwino, komanso kuvomereza komaliza.
Ubwino ndi Zochepera pa Hot Dip Galvanizing
Kutentha kwa dip galvanizing ndikwamtengo wapatali chifukwa kumapereka mphamvu, yooneka bwino, komanso yochepera-yoteteza ku dzimbiri. Kuchita kwake kumachokera ku zinki-zopangidwa ndi iron alloy komanso machitidwe operekera nsembe a zinki.
Ubwino wake
- Metallurgically chomangika ❖ kuyanika ndi amphamvu adhesion
- Zinc-zigawo za iron alloy zomwe zimakana kugwiridwa ndi ma abrasions
- Chitetezo chotchinga komanso chitetezo cha cathodic
- Kuphimba bwino pamphepete, ngodya, ma welds, ndi mabowo pambuyo pa kupanga
- Oyenera zigawo zambiri zakunja ndi mafakitale zitsulo
- Kuchepetsa kumafuna kukonza poyerekeza ndi makina ambiri-okha opaka utoto
- Miyezo yodziwika ya makulidwe a zokutira, kukonza, ndi kuyang'anira
Zolepheretsa
- Kukula kwa gawo kumachepetsedwa ndi miyeso ya ketulo ndi mphamvu yogwirira.
- Chemistry yachitsulo imatha kukhudza mtundu wa zokutira, makulidwe, ndi kapangidwe kapamwamba.
- Tsekani-zigawo zololera zingafune kutsukidwa ndi makina kapena ulusi mutatha kuyatsa.
- Magawo otsekedwa amafunikira mpweya wabwino ndi ngalande.
- Dzimbiri loyera likhoza kuchitika ngati zida zatsopano zamalata zasungidwa zonyowa popanda kufalikira kwa mpweya.
- Kuwotcherera, kudula, kapena kupera pambuyo pokometsera kumachotsa zotchingira zoteteza kwanuko.
FAQ
01.Kodi zokutira zokhuthala zimatentha kwambiri-zimakhala zabwinoko?
02.N'chifukwa chiyani kutentha-kuviika malata nthawi zina kumawoneka kotuwa?
03.Kodi kutentha-kutha kuviika dzimbiri lamalata posunga kapena kutumiza?
04.Kodi ndi chiyani chomwe chiyenera kufufuzidwa musanatchule kutentha kwa dip galvanizing?
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