Kodi mungapewe bwanji dzimbiri lachitsulo?
Ndi kuwonjezeka kosalekeza kwa zitsulo zotulutsa zitsulo, zitsulo zazitsulo zimatchuka kwambiri.Amagwiritsidwa ntchito kwambiri ngati nyumba yosungiramo zinthu, malo ochitira zinthu, garaja, nyumba zopangira zinthu, malo ogulitsira, prefab stadium, etc.Poyerekeza ndi nyumba zomangika za konkire, nyumba zamapangidwe azitsulo zili ndi ubwino womanga bwino, machitidwe abwino a zivomezi, kuwonongeka kwa chilengedwe ndi kukonzanso.Komabe, zida zachitsulo zimakhala zosavuta kuchita dzimbiri, motero anti-corrosion ndizofunikira kwambiri pazitsulo zachitsulo.
Mitundu ya dzimbiri yazinthu zachitsulo imaphatikizapo dzimbiri mumlengalenga, dzimbiri m'deralo komanso kupsinjika kwamphamvu.
(1) Kutentha kwamlengalenga
Kuwonongeka kwamlengalenga kwazinthu zachitsulo kumachitika makamaka chifukwa chamankhwala ndi electrochemical zotsatira zamadzi ndi mpweya mumlengalenga.Nthunzi yamadzi mumlengalenga imapanga electrolyte wosanjikiza pamwamba pazitsulo, ndipo mpweya wa mpweya umasungunuka mmenemo ngati cathode depolarizer.Amapanga cell zowononga galvanic zokhala ndi zigawo zachitsulo.Pambuyo pa dzimbiri wosanjikiza aumbike pamwamba zitsulo ziwalo ndi dzimbiri mumlengalenga, mankhwala dzimbiri zidzakhudza ma elekitirodi anachita za dzimbiri mumlengalenga.
(2) Dzimbiri m’deralo
Zimbiri zam'deralo ndizomwe zimachitika kwambiri m'nyumba zomangira zitsulo, makamaka galvanic corrosion ndi ming'alu.Galvanic corrosion imapezeka makamaka pazophatikizira zitsulo zosiyanasiyana kapena kulumikizana ndi zitsulo.Chitsulo chokhala ndi mphamvu zoipa chimawononga msanga, pamene chitsulo chokhala ndi mphamvu zabwino chimatetezedwa.Zitsulo ziwirizi zimapanga cell galvanic cell.
Kudzimbirira kwa mpata kumachitika makamaka m'ming'alu yapamtunda pakati pa ziwalo zosiyanasiyana zamapangidwe achitsulo komanso pakati pa zitsulo ndi zosakhala zitsulo.Pamene mpata m'lifupi angapangitse madzi kutsetsereka mu mphanga, tcheru kwambiri mpata m'lifupi mwake zitsulo mpata mpata dzimbiri ndi 0.025 ~ o.1mm.
(3) Kupsinjika maganizo
Mwachidziwitso chapadera, kapangidwe kachitsulo kamakhala ndi dzimbiri pang'ono pamene sichikhala pansi, koma pambuyo pa kupsinjika maganizo, chigawocho chidzasweka mwadzidzidzi pakapita nthawi.Chifukwa palibe chizindikiro chodziwikiratu cha kusweka kwa dzimbiri pasadakhale, nthawi zambiri kumabweretsa zotsatira zoyipa, monga kugwa kwa mlatho, kutsika kwa mapaipi, kugwa kwa nyumba ndi zina zotero.
Malingana ndi njira yowonongeka ya chitsulo, kuwonongeka kwake ndi mtundu wa kuwonongeka kosafanana, ndipo zowonongeka zimakula mofulumira.Pamwamba pazitsulo zachitsulo zikawonongeka, dzenje la dzimbiri limakula mofulumira kuchokera pansi pa dzenje mpaka kuya, zomwe zimapangitsa kuti pakhale kupanikizika kwazitsulo, zomwe zimathandizira kuti zitsulo ziwonongeke, zomwe zimakhala zozungulira.
Kuwonongeka kumachepetsa kukana kuzizira kwa brittleness ndi kutopa kwachitsulo, zomwe zimachititsa kuti kuphulika kwadzidzidzi kwa zigawo zonyamula katundu kuwonongeke popanda zizindikiro zoonekeratu za mapindikidwe, zomwe zimapangitsa kugwa kwa nyumba.
Chitetezo njira ya dzimbiri zitsulo kapangidwe
1. Gwiritsani ntchito chitsulo chosamva nyengo
Low aloyi zitsulo mndandanda pakati zitsulo wamba ndi zitsulo zosapanga dzimbiri.Chitsulo cha Weathering chimapangidwa ndi chitsulo wamba cha kaboni chokhala ndi zinthu zochepa zolimbana ndi dzimbiri monga mkuwa ndi faifi tambala.Lili ndi makhalidwe a mphamvu ndi kulimba, kukulitsa pulasitiki, kupanga, kuwotcherera ndi kudula, abrasion, kutentha kwakukulu ndi kukana kutopa kwazitsulo zapamwamba;Kukaniza kwanyengo ndi 2 ~ 8 kuwirikiza kawiri kwa chitsulo cha kaboni wamba, ndipo magwiridwe antchito ndi 1.5 ~ 10 nthawi ya chitsulo wamba.Panthawi imodzimodziyo, ili ndi zizindikiro za kukana dzimbiri, kukana kwa dzimbiri, kukulitsa moyo, kupatulira ndi kuchepetsa kudya, kupulumutsa ntchito ndi kupulumutsa mphamvu.Chitsulo cha Weathering chimagwiritsidwa ntchito makamaka pazinthu zachitsulo zomwe zimawonekera mumlengalenga kwa nthawi yaitali, monga njanji, magalimoto, milatho, nsanja ndi zina zotero.Amagwiritsidwa ntchito popanga zotengera, magalimoto anjanji, zotengera mafuta, nyumba zamadoko, nsanja zopangira mafuta ndi zotengera zomwe zimakhala ndi hydrogen sulfide corrosive media mu zida zamafuta ndi mafuta.Kutentha kwake komwe kumakhudzidwa ndi kutentha kumakhalanso kwabwinoko kuposa chitsulo chokhazikika.Muyezo ndi zitsulo zanyengo zomangira zowotcherera (GB4172-84).
The amorphous spinel okusayidi wosanjikiza za 5O ~ 100 mamita wandiweyani anapanga pakati pa dzimbiri wosanjikiza ndi masanjidwewo ndi wandiweyani ndipo ali ndi adhesion wabwino ndi masanjidwewo zitsulo.Chifukwa cha kukhalapo kwa filimu wandiweyani ya oxide iyi, imalepheretsa kulowerera kwa mpweya ndi madzi mumlengalenga mu matrix achitsulo, imachepetsa kukula kwa dzimbiri kuzinthu zachitsulo, komanso imathandizira kwambiri kukana kwa mlengalenga kwa zinthu zachitsulo.
2. Kuthira kotentha koviika
Hot kuviika galvanizing dzimbiri kupewa dzimbiri ndi kuviika workpiece kuti yokutidwa mu chosungunuka zitsulo zinki kusamba kwa plating, kuti apange koyera nthaka ❖ kuyanika pamwamba pa workpiece ndi nthaka aloyi ❖ kuyanika pamwamba yachiwiri pamwamba, kuti azindikire. chitetezo chachitsulo ndi chitsulo.
3. Arc kupopera mankhwala anticorrosion
Arc kupopera mbewu mankhwalawa ndi ntchito yapadera kupopera zida kusungunula zitsulo sprayed waya pansi zochita za otsika voteji ndi mkulu panopa, ndiyeno utsi kwa zigawo zitsulo pre sanded ndi derusted ndi wothinikizidwa mpweya kupanga arc sprayed nthaka ndi zokutira zotayidwa, amene kupopera mbewu mankhwalawa ndi zokutira zotsekera zoletsa dzimbiri kuti apange zokutira kwa nthawi yayitali zotsutsana ndi dzimbiri.Chophimba chokhuthalacho chimatha kuletsa bwino sing'anga yowononga kuti isalowe mu gawo lapansi.
Makhalidwe a arc kupopera mankhwala odana ndi dzimbiri ndi awa: zokutira zimakhala ndi zomatira kwambiri, ndipo kumamatira kwake sikungafanane ndi utoto wolemera wa zinc ndi zinc wotentha.Zotsatira za zotsatira zopindika mayeso pa workpiece ankachitira ndi arc kupopera mankhwala odana ndi dzimbiri osati mokwanira kukwaniritsa mfundo zoyenera, koma amatchedwanso "laminated zitsulo mbale";Nthawi yotsutsana ndi dzimbiri ya kupopera mbewu mankhwalawa kwa arc ndi yayitali, nthawi zambiri 30 ~ 60A, ndipo makulidwe opakawo amatsimikizira moyo wodana ndi dzimbiri wa zokutira.
4. Anti dzimbiri wa matenthedwe kupopera aluminiyamu (zinki) ❖ kuyanika gulu
Matenthedwe kupopera aluminiyamu (zinki) gulu ❖ kuyanika ndi njira yaitali odana ndi dzimbiri ndi zotsatira zofanana ndi otentha-kuviika galvanizing.Njirayi ndiyo kuchotsa dzimbiri pamwamba pa chitsulo ndi kuphulika kwa mchenga, kuti pamwamba pawonekedwe ndi zitsulo zonyezimira komanso zowonongeka;Kenako ntchito acetylene mpweya lawi kusungunula mosalekeza anatumiza aluminiyamu (zinki) waya ndi kuwomba pamwamba zitsulo mamembala wothinikizidwa mpweya kupanga chisa aluminiyamu (zinki) kupopera mbewu mankhwalawa wosanjikiza (makhuthala pafupifupi 80 ~ 100m);Potsirizira pake, pores amadzazidwa ndi epoxy resin kapena neoprene utoto kupanga zokutira gulu.Thermal sprayed aluminiyamu (zinki) ❖ kuyanika gulu silingagwiritsidwe ntchito pa khoma lamkati la mamembala tubular.Choncho, mbali zonse za tubular ziyenera kutsekedwa ndi mpweya kuti zisawonongeke pakhoma lamkati.
Ubwino wa njirayi ndikuti umakhala ndi mphamvu yosinthika ndi kukula kwa zigawo, ndipo mawonekedwe ndi kukula kwa zigawo zimakhala zopanda malire;Ubwino wina ndi wakuti kutentha kwa ndondomekoyi ndi komweko, kotero kuti zigawozo sizidzatulutsa matenthedwe.Poyerekeza ndi kutentha-kuviika galvanizing, mafakitale digiri ya matenthedwe kupopera zitsulo zotayidwa (zinki) gulu ❖ kuyanika ndi otsika, mphamvu ya ntchito ya kuphulika mchenga ndi aluminiyamu (zinki) kupopera mbewu mankhwalawa ndi mkulu, ndipo khalidwe amakhudzidwanso mosavuta ndi kusintha maganizo kwa ogwira ntchito. .
5. Kuphimba anticorrosion
Kupaka anti-corrosion kwa kapangidwe kachitsulo kumafunikira njira ziwiri: chithandizo chapansi ndi kumanga zokutira.Cholinga cha maphunziro oyambira ndikuchotsa burr, dzimbiri, banga lamafuta ndi zomangira zina pamwamba pazigawo, kuti awulule zitsulo zonyezimira pamwamba pazigawo;The kwambiri m`munsi mankhwala, bwino adhesion zotsatira.Njira zoyambira zamankhwala zimaphatikizapo chithandizo chamanja ndi makina, chithandizo chamankhwala, kupopera mbewu mankhwalawa ndi makina, ndi zina.
Pankhani yomanga zokutira, njira zomwe zimagwiritsidwa ntchito nthawi zambiri zimaphatikizirapo njira yopukutira pamanja, njira yopukutira pamanja, njira yokutira ya dip, kupopera mbewu ndi mpweya wopanda mpweya.Njira yololera yotsuka imatha kuonetsetsa kuti zabwino, kupita patsogolo, kusunga zida ndikuchepetsa mtengo.
Pankhani yopangira zokutira, pali mitundu itatu: primer, utoto wapakatikati, primer, primer ndi primer.The primer makamaka amasewera adhesion ndi kupewa dzimbiri;Chovala chapamwamba makamaka chimagwira ntchito ya anti-corrosion ndi anti-kukalamba;Ntchito ya utoto wapakatikati ili pakati pa choyambirira ndi kumaliza, ndipo imatha kukulitsa makulidwe a filimu.
Pokhapokha pamene primer, malaya apakati ndi malaya apamwamba amagwiritsidwa ntchito palimodzi angathe kuchita bwino kwambiri ndikupeza zotsatira zabwino.
Nthawi yotumiza: Mar-29-2022