Mukhoza kukhulupirira
zitsulo zotayidwa kuti zithetse dzimbiri. Ili ndi zokutira zolimba za zinki. Njira yothira galvanization yotentha imawonjezera chitetezo. Chigawo ichi chili pakati pa 0.025 mm ndi 0.1 mm wandiweyani. Mutha kuwona makulidwe ake patebulo ili pansipa:
Kupaka makulidwe osiyanasiyana |
Muyeso Unit |
0.025 mm |
mm |
0.1 mm |
mm |
Mafakitale ambiri amagwiritsa ntchito malata chifukwa amakhala nthawi yayitali. Amatsatira miyezo monga ASTM A123/A123M ndi ASTM A653.
Zofunika Kwambiri
Pepala lachitsulo lopangidwa ndi chitsulo lili ndi wosanjikiza wandiweyani wa zinki. Chigawochi chimalepheretsa madzi ndi mpweya kugwira zitsulo. Zimenezi zimathandiza kuti zitsulo zisachite dzimbiri.
Zinc imadzipereka yokha kuti ipulumutse chitsulo. Zimayamba dzimbiri kuti chitsulocho chisawonongeke.
Ngati nthaka wosanjikiza wa zinc ikakanda, imatha kudzikonza yokha. Imateteza zitsulo pansi pake.
Kuchuluka kwa zokutira kwa zinki kumatengera nthawi yayitali yachitsulo. Zinc wokhuthala amatanthauza chitetezo chabwino kwa chitsulo.
Kuyeretsa ndi kuyang'ana zitsulo zokhala ndi malata kumathandiza kuti zikhale zolimba. Ndi chisamaliro, imatha zaka zoposa 50.
Chitetezo cha Zinc Coating
Cholepheretsa Zotsatira
Chitsulo chachitsulo chimakhala ndi chishango cholimba. Kupaka zinki kumagwira ntchito ngati khoma pakati pa chitsulo ndi mpweya. Khoma limeneli limateteza madzi ndi mpweya kutali ndi zitsulo. Ngati madzi ndi mpweya sizingakhudze chitsulo, dzimbiri sizichitika.
Zinc imayima pakati pa madzi, mpweya, ndi chitsulo kuti itetezedwe.
Zinc amapanga chishango chachitsulo, choyimitsa mpweya, madzi, ndi zinthu zina kuti zifike.
Shandong Sino Steel Co., Ltd imagwiritsa ntchito malata oviikidwa otentha kuti apange zinki wandiweyani. Chigawochi chimakwirira zitsulo zonse. Zimathandizira chitsulo kulimbana ndi dzimbiri komanso kukhala nthawi yayitali m'malo ovuta.
Asayansi adafufuza momwe zokutira zinki zimateteza zitsulo. Tebulo ili m'munsiyi likuwonetsa momwe zokutira zosiyanasiyana zimagwirira ntchito:
Mtundu Wopaka |
Mtengo Wolepheretsa (Ω·cm²) |
Zowonera |
85 ZRE |
15,000 |
Chitetezo chabwino cha cathodic komanso kukhazikika kwanthawi yayitali. |
75 ZRE |
1,123,000 (2d) mpaka 192,100 (60d) |
Kutsika kwakukulu kwa impedance, kusonyeza chotchinga chofooka. |
65 ZRE |
Imapitilira kutsika mu impedance |
Osalimbana kwambiri ndi matuza komanso chotchinga chofooka. |
Phindu lalikulu la impedance limatanthauza chitetezo cholimba. Mutha kuwona kuti wosanjikiza wabwino wa zinc umapangitsa chitsulo kukhala chotetezeka kwa nthawi yayitali.
Ntchito Yopereka Nsembe
Zinc imachita zambiri kuposa kungotsekereza madzi ndi mpweya. Imatetezanso zitsulo podzipereka yokha poyamba. Zitsulo ziwiri zikakhudza, monga zinki ndi chitsulo, chimodzi chimachita dzimbiri patsogolo pa chinzake. Zinc ndi yocheperako kuposa chitsulo, chifukwa chake imachita dzimbiri. Izi zimatchedwa galvanic corrosion.
Kuwonongeka kwa galvanic kumachitika pamene magetsi akuyenda pakati pa zitsulo ziwiri zosiyana. Chitsulo chomwe chili ndi anodic chimachita dzimbiri mwachangu, pomwe chitsulo china chimakhala chotetezeka. Zinc ndi anodic kwambiri kuposa chitsulo, choncho imachita dzimbiri kaye ikakhudza chinthu ngati madzi a m'nyanja, kuteteza chitsulo ku dzimbiri.
Mutha kuwona izi pakuchepetsa kwawo mulingo woyenera:
Chitsulo |
Kuchepetsa Kuthekera Kwambiri (V) |
Zinc |
-0.76 |
Chitsulo |
-0.44 |
Zinc ili ndi mphamvu zochepa zochepetsera kuposa chitsulo.
Izi zikutanthauza kuti zinc zichita dzimbiri chitsulo chisanayambe.
Zinc ikachita dzimbiri, imapangitsa kuti chitsulo zisachite dzimbiri.
Zinc wosanjikiza pa pepala kanasonkhezereka zitsulo amadzipatsa yokha kusunga zitsulo chitetezo. Ichi ndichifukwa chake anthu amagwiritsa ntchito malata kunja ndi pomanga zinthu.
Kudzichiritsa
Nthawi zina, wosanjikiza wa zinc amakanda kapena kudulidwa. Mutha kuganiza kuti dzimbiri liyamba nthawi yomweyo. Koma malata amatha kudzichiritsa okha. Zinc layer ikawonongeka, zinc imatetezabe chitsulo pansi.
Kufotokozera Umboni |
Zotsatira Zazikulu |
Chitetezo cha cathodic cha zinc |
Zinc imagwira ntchito ngati anode ndipo imadzipereka kuti iteteze chitsulo pamene zokutira zawonongeka. |
Kutalikirana kwachitetezo |
Zinc imatha kuteteza chitsulo kumtunda pang'ono kupitirira 1/4' (7 mm), koma izi zimatsika pamene zikande zikukulirakulira. |
Zochita zapamtunda |
Ngati zinc ikugwira ntchito kwambiri, imateteza kutali. Ngati zinc ilibe kanthu, sizimateteza kwambiri. |
Muzitsulo zovimbidwa zotentha, zinki ndi zitsulo zimakhudzana bwino.
Ngati nthaka wosanjikiza wawonongeka ndipo pali madzi, maselo a galvanic amapanga. Zinc imakhala anode ndipo imateteza chitsulo.
Poyamba, dzimbiri laling'ono limatha kuwoneka pazitsulo, koma posakhalitsa, zinki zimapanga wosanjikiza watsopano womwe umateteza chitsulocho. Uku kumatchedwa 'kudzichiritsa tokha'.
Kudzichiritsa nokha kumeneku kumapangitsa kuti zitsulo zokhala ndi malata zikhale zolimba komanso zotetezeka ku dzimbiri, ngakhale zikande. Mutha kudalira zitsulo zamakala kuti zidziteteze komanso kukhala nthawi yayitali m'malo ambiri.
Zomwe Zimakhudza Kukaniza kwa Corrosion
Chilengedwe
Ndikofunika kuganizira za komwe mumagwiritsa ntchito zitsulo zotayidwa. Malo omwe mumasankha angapangitse kuti zokutira za zinki zizikhala nthawi yayitali kapena kutha mwachangu. Malo ena amakhala ndi madzi ambiri, mchere, kapena mpweya wauve. Zinthu izi zimatha kupangitsa kuti zinc layer iwonongeke mwachangu.
Nali tebulo lomwe likuwonetsa momwe zinthu zosiyanasiyana zachilengedwe zimakhudzira zitsulo zotayidwa:
Environmental Factor |
Kufotokozera |
Kuwonetsa Mchere |
Mchere pazitsulo ndi madzi umapanga kusakaniza komwe kumachotsa zokutira zinki mofulumira. |
Zowonongeka za Industrial ndi Atmospheric |
Mpweya wodetsedwa wokhala ndi mpweya ndi madzi umapanga ma asidi omwe amavulaza nthaka. |
Chinyezi ndi Chinyezi |
Mpweya wonyowa umapangitsa kuti madzi azikhala pazitsulo, zomwe zimathandiza kuti zinthu zomwe zimayambitsa dzimbiri komanso zinki ziwonongeke msanga. |
Malo opopera mchere |
Nyumba pafupi ndi nyanja kapena misewu yokhala ndi mchere imatha kuchita dzimbiri mwachangu. |
Mipweya yotulutsa mafakitale |
Chitsulo pafupi ndi mafakitale chimakhudzidwa ndi mpweya woipa womwe umathandizira dzimbiri. |
Kuwonekera kwa mvula ya asidi |
Mvula yambiri ya asidi imatha kutsuka zinki pazitsulo. |
Ngati mumagwiritsa ntchito zitsulo zokhala ndi malata pafupi ndi nyanja, mchere ndi mphepo zimatha kuchotsa kupaka msanga. Mwachitsanzo, chitsulo chovimbidwa chotentha chimagwira ntchito bwino pafupi ndi nyanja, koma kutalika kwake kumadalira malo. Mukayika nyumba yosakwana kilomita imodzi kuchokera kunyanja, ikhoza kuyamba dzimbiri pakadutsa zaka 5 mpaka 7 ikagundidwa ndi utsi wa m'nyanja. Ngati mutayiyika pamalo ovundikira, imatha zaka 15 mpaka 25. Mphepo, kutentha, ndi kuyandikira kwa nyanja kunyanja zonse zimatengera momwe imalimbana ndi dzimbiri.
Kupaka makulidwe
Kuchuluka kwa zokutira kwa zinki kumapangitsa kusiyana kwakukulu pautali wanthawi yomwe chitsulo chanu chagalasi chimakhala. Chophimba chokhuthala chimapereka chitetezo chochulukirapo ndikuthandiza kuti chikhale nthawi yayitali. Mutha kuwona kuti zokutirazo ndi zokhuthala bwanji poyang'ana miyezo ngati ASTM A653 kapena EN 10346.
Nali tebulo lomwe likuwonetsa momwe makulidwe a zokutira amasinthira kutalika kwa chitsulo:
Kupaka makulidwe |
Moyo Wautumiki Woyembekezeredwa (Zaka) |
Mikhalidwe Yachilengedwe |
Thinner zokutira |
50-75 |
Malo osiyanasiyana |
Zopaka Zothina |
Zoposa 75 |
Malo olimba |
Malamulo apadziko lonse lapansi amati zokutira ziyenera kukhala zokhuthala kuti muthe kusankha chitsulo choyenera:
Standard |
Mtundu Wopaka |
Kuchulukira Kopaka Kuchepa (g/m²) |
Chithunzi cha ASTM A653 |
G90 |
275 |
EN 10346 |
Z |
100-600 |
Mitundu yokutira ndi Z, ZF, ZA, AZ, ndi AS.
Miyezo yotsika kwambiri yokutira imayambira 100 mpaka 600 g/m².
Muyeneranso kuyang'ana gauge ndi kalasi ya chitsulo. Maphunziro monga SPCC ndi SGCC amatsatira malamulo okhwima. Chitsulo chokulirapo komanso zokutira zolemera zimathandiza chitsulo kulimbana ndi dzimbiri bwino, makamaka pamalo olimba.
Kusamalira
Mutha kuthandiza zitsulo zanu zokhala ndi malata kukhala nthawi yayitali ngati mukuzisamalira. Kuyeretsa ndi kuyang'ana chitsulo chanu kumapangitsa kuti zokutira za zinki zikhale zolimba. Ngati mutsuka dothi ndi mchere, mumawaletsa kuti asawononge zinc. Kuyang'ana chitsulo chanu kumakuthandizani kuti mupeze zokala kapena zowonongeka msanga, kotero mutha kuzikonza dzimbiri lisanayambe.
Langizo: Ngati mumatsuka ndikuyang'ana zitsulo zanu nthawi zambiri, zimatha zaka zoposa 50.
Nazi njira zosavuta zomwe mungatsatire:
Kuyeretsa Nthawi Zonse: Tsukani dothi, mchere, ndi zina zomwe zimamatira kuchitsulo.
Kuyang'ana Zowoneka: Yang'anani dzimbiri loyera, zokala, kapena mawanga pomwe zokutira kulibe.
Kukonza Panthawi Yake: Konzani zowonongeka zilizonse mwachangu kuti dzimbiri zisafalikire.
Ngati simusamalira zitsulo zanu, mutha kuwona zovuta monga izi:
Dzimbiri pansi pa chitsulo ngati madzi atsekeredwa.
Dzimbiri lamadzi amchere pafupi ndi nyanja.
Dzimbiri m'mphepete ngati simunazisindikize.
Dzimbiri limayamba msanga pamene zitsulo zosiyanasiyana zimagwira.
Mutha kuyimitsa mavutowa posankha giredi yoyenera, kutsatira malamulo, ndikutsatira mosamala. Mwanjira iyi, zitsulo zanu zokhala ndi malata zimakhala zolimba, zotetezeka, ndipo zimalimbana ndi dzimbiri kwa zaka zambiri.
Kukhazikika kwa Mapepala Achitsulo Amphamvu
Utali wamoyo
Chitsulo chachitsulo chopangidwa ndi galvanized chikhoza kukhala kwa nthawi yaitali. Zimatenga nthawi yayitali bwanji zimatengera komwe mukuzigwiritsa ntchito. Kumidzi, imatha kukhala zaka 100. M’mizinda, sichikhalitsa chifukwa cha kuipitsidwa kowonjezereka. Mukaugwiritsa ntchito pafupi ndi nyanja, mpweya wamchere umatha msanga. Koma imatetezabe zitsulo kwa zaka zambiri.
Mtundu Wachilengedwe |
Kutalika kwa moyo (zaka) |
Zakumidzi |
Mpaka 100 |
Urban |
Kuchepetsedwa Pang'ono |
Tropical Marine |
75 ku 78 |
Madzi Otentha |
78 ku 90 |
Muyenera kuyang'ana zitsulo zanu zamavuto. Dzimbiri loyera limawoneka ngati ufa woyera pachitsulo. Izi zimachitika ngati chitsulo chikhala chonyowa kwa nthawi yayitali. Kusungirako koyipa kapena madzi omwe atsekeredwa angayambitsenso vuto. Kuwona zitsulo zanu nthawi zambiri kumakuthandizani kupeza mavutowa msanga.
Mapulogalamu
Chitsulo chagalasi chimagwiritsidwa ntchito pazinthu zambiri. Omanga amaigwiritsa ntchito pomanga madenga, ngalande, ndi makoma. Amagwiritsidwanso ntchito popanga mafelemu ndi ma ductwork. Opanga magalimoto amagwiritsa ntchito ngati matupi agalimoto ndi zishango. Alimi amachigwiritsa ntchito ngati nkhokwe, zosungiramo zosungiramo zosungiramo zinthu zakale, ndi zotchingira mipanda. Makina a HVAC amawagwiritsa ntchito ngati ma ducts a mpweya ndi zophimba. Mutha kuzipezanso m'mafuriji, m'makina ochapira komanso mipando yamuofesi.
Kumanga: denga, tchinga, structural framing, ductwork
Magalimoto: mapanelo amthupi, zishango, zida zolimbikitsira
Ulimi: nkhokwe zosungira, ma silo, mipanda
HVAC: ma ducts mpweya, nyumba
Zipangizo: mafiriji, makina ochapira, mipando yakuofesi
Anthu amakonda malata chifukwa ndi amphamvu komanso osavuta kugwiritsa ntchito. Mutha kuwotcherera, koma muyenera kusamala. Nthawi zonse muzigwira ntchito kumene kuli mpweya wabwino ndipo muzitsatira malamulo otetezeka. Kupaka kwa zinki kumatha kusintha momwe mumawotchera, kotero mungafunike njira zapadera zochitira.
Kukulitsa Moyo Wautali
Mutha kuthandiza chitsulo chanu kukhala nthawi yayitali pochita zinthu zosavuta:
Sankhani chitsulo chovimbidwa chotentha chokhala ndi zokutira zolimba zamalo olimba.
Sungani mapepala pansi pamalo owuma, aukhondo musanagwiritse ntchito.
Gwiritsani ntchito zomangira kapena zitsulo zosapanga dzimbiri kuti muletse dzimbiri.
Konzani zokala kapena zowononga zokutira nthawi yomweyo ndi utoto wokhala ndi zinc.
Sungani zitsulo zokhala ndi malata kutali ndi mkuwa ndi zitsulo za carbon.
Tsukani dothi ndi mchere ndi sopo wofatsa ndi madzi.
Yang'anani zitsulo zanu chaka chilichonse ndikukonza zowonongeka zomwe mukuwona.
Langizo: Ngati mumatsuka ndi kukonza zitsulo zanu nthawi zambiri, zimakhala zolimba kwa zaka zambiri.
Mutha kukhulupirira pepala lazitsulo kuti liletse dzimbiri. Zovala za zinki zimamatira mwamphamvu kuchitsulo. Zimateteza madzi, mchere, ndi mpweya wakuda.
Mbali yofunika |
Kufotokozera |
Kulimbana ndi Corrosion Resistance |
Kutha kwa zinc kumathandiza chitsulo kukhala nthawi yayitali poletsa dzimbiri. |
Kumamatira Kwambiri |
Zinc imamatira bwino, kotero kuti sichimachoka. |
Kukaniza Kwachilengedwe |
Zinc wosanjikiza umatchinga madzi, mchere, ndi kuipitsa. |
Mukamagwiritsa ntchito zitsulo zamagalasi, kumbukirani izi:
Sankhani muyezo woyenera ndi makulidwe a ntchito yanu.
Zovala zonenepa za zinc zimateteza bwino.
Yang'anani ndikuyeretsa zitsulo zanu nthawi zambiri kuti zitha zaka zoposa 50.
FAQ
Chifukwa chachikulu chomwe chitsulo chimakanira dzimbiri ndi chiyani?
Kupaka kwa zinc kumateteza chitsulo ku dzimbiri. Mumapeza chotchinga champhamvu chomwe chimalepheretsa madzi ndi mpweya kutali. Zinc imadziperekanso kuti ipulumutse chitsulo pansi.
Kodi mumadziwa bwanji gauge kapena giredi yoyenera kusankha?
Muyenera kuyang'ana zosowa za polojekiti yanu. Zoyezera zonenepa zimagwira ntchito bwino kwambiri pantchito zolemetsa. Maphunziro monga SPCC ndi SGCC amatsatira mfundo zokhwima. Mutha kufunsa wopereka wanu kuti akupatseni malangizo.
Kodi mutha kuwotcherera zitsulo zokhala ndi malata mosavuta?
Mukhoza kuwotcherera mapepala achitsulo. Kupaka kwa zinc kumatha kutulutsa utsi. Nthawi zonse muzigwira ntchito pamalo olowera mpweya wabwino. Gwiritsani ntchito zida zodzitetezera kuti mudziteteze.
Kodi malata amatha nthawi yayitali bwanji ali panja?
Chitsulo chamalata chikhoza kupitirira zaka 50 m'madera ouma. M'mphepete mwa nyanja kapena malo oipitsidwa, mutha kuwona zizindikiro zakutha posachedwa. Kuyeretsa nthawi zonse kumathandiza kutalikitsa moyo wake.
Kodi zitsulo zamagalasi zimafunika kukonza chiyani?
Muyenera kutsuka dothi ndi mchere ndi sopo wofatsa ndi madzi. Yang'anirani zokala kapena zowonongeka chaka chilichonse. Kukonza mwachangu kumapangitsa chitsulo chanu kukhala cholimba komanso chopanda dzimbiri.
