Yadda za a hana lalata tsarin karfe?
Tare da ci gaba da haɓaka kayan aikin ƙarfe, ƙirar ƙarfe sun fi shahara.An yi amfani da ko'ina a matsayin sito, bita, gareji, prefab Apartment, shopping mall, prefab filin wasa, da dai sauransu Idan aka kwatanta da ƙarfafa kankare gine-gine, karfe tsarin gine-gine da abũbuwan amfãni daga m yi, mai kyau girgizar kasa yi, kasa muhalli gurbatawa da recyclability.Duk da haka, tsarin karfe yana da sauƙin tsatsa, don haka anti-lalata yana da matukar muhimmanci ga tsarin karfe.
Nau'in ɓarna na tsarin ƙarfe sun haɗa da lalata yanayi, lalata gida da lalata damuwa.
(1) Lalacewar yanayi
Lalacewar yanayi na tsarin karfe yana faruwa ne ta hanyar sinadarai da tasirin lantarki na ruwa da iskar oxygen a cikin iska.Tushen ruwa a cikin yanayi yana samar da wani Layer na electrolyte akan saman karfe, kuma iskar oxygen a cikin iska yana narkar da shi a matsayin cathode depolarizer.Suna samar da kwayar halitta galvanic mai lalata ta asali tare da sassan karfe.Bayan tsatsa Layer da aka samu a saman saman memba na karfe ta yanayi lalata, da lalata kayayyakin zai shafi lantarki dauki na yanayi lalata.
(2) Lalacewar gida
Lalacewar gida ita ce ta zama ruwan dare gama gari a cikin gine-ginen tsarin ƙarfe, galibi lalata galvanic da ɓarna.Lalacewar Galvanic galibi yana faruwa ne a haɗakar ƙarfe daban-daban ko haɗin ginin ƙarfe.Ƙarfe tare da mummunan tasiri yana lalata da sauri, yayin da ƙarfe mai mahimmanci yana da kariya.Karfe biyun sun zama kwayar galvanic mai lalata.
Lalacewar Crevice galibi yana faruwa ne a cikin raƙuman ƙasa tsakanin mambobi daban-daban na tsarin ƙarfe da tsakanin membobin ƙarfe da waɗanda ba ƙarfe ba.Lokacin da nisa nisa iya sa ruwa stagnate a cikin crevice, mafi m crevice nisa na karfe tsarin crevice lalata ne 0.025 ~ o.1mm.
(3) Damuwa lalata
A cikin wani takamaiman matsakaici, tsarin ƙarfe yana da ɗan lalata lokacin da ba a cikin damuwa ba, amma bayan an shayar da shi cikin damuwa, ɓangaren zai karye ba zato ba tsammani bayan ɗan lokaci.Domin babu wata alama da ke nuna karyewar damuwa a gaba, sau da yawa yana haifar da mummunan sakamako, kamar rushewar gada, zubar bututun mai, rushewar gini da sauransu.
Bisa ga tsarin lalata na tsarin karfe, lalatarsa wani nau'i ne na lalacewa marar daidaituwa, kuma lalata yana tasowa da sauri.Da zarar saman tsarin karfe ya lalace, ramin lalata zai ci gaba da sauri daga ramin kasa zuwa zurfin, wanda zai haifar da damuwa na tsarin karfe, wanda zai hanzarta lalata karfe, wanda shine muguwar da'ira.
Lalata yana rage juriya ga sanyin sanyi da ƙarfin gajiyar ƙarfe, yana haifar da karaya kwatsam na abubuwan ɗaukar kaya ba tare da bayyananniyar alamun naƙasa ba, wanda ke haifar da rushewar gine-gine.
Hanyar kariya ta lalata tsarin karfe
1. Yi amfani da karfe mai jure yanayi
Low gami karfe jerin tsakanin talakawa karfe da bakin karfe.Yanayi karfe an yi shi da karfen carbon na yau da kullun tare da ƙaramin adadin abubuwa masu jure lalata kamar jan ƙarfe da nickel.Yana da halaye na ƙarfi da ƙarfi, haɓakar filastik, haɓakawa, waldawa da yankewa, abrasion, babban zafin jiki da juriya mai ƙarfi na ƙarfe mai inganci;A weather juriya ne 2 ~ 8 sau cewa na talakawa carbon karfe, da kuma shafi yi ne 1.5 ~ 10 sau na talakawa carbon karfe.A lokaci guda, yana da halaye na juriya na tsatsa, juriya na ɓarna, haɓaka rayuwa, raguwa da rage amfani, ceton aiki da ceton kuzari.An fi amfani da ƙarfe na yanayi don tsarin ƙarfe da aka fallasa ga yanayi na dogon lokaci, kamar layin dogo, motoci, gadoji, hasumiyai da sauransu.Ana amfani da shi don kera kwantena, motocin jirgin ƙasa, tarkacen mai, gine-ginen tashar jiragen ruwa, dandamalin samar da mai da kwantena da ke ɗauke da kafofin watsa labarai na lalata hydrogen sulfide a cikin sinadarai da kayan aikin mai.Ƙarfin tasirinsa mai ƙarancin zafin jiki kuma ya fi na tsarin ƙarfe na gabaɗaya.Ma'auni shine ƙarfe na yanayi don tsarin walda (GB4172-84).
Amorphous spinel oxide Layer game da 5O ~ 100 m lokacin farin ciki da aka kafa tsakanin tsatsa Layer da matrix yana da yawa kuma yana da kyau adhesion tare da matrix karfe.Saboda kasancewar wannan fim mai yawa oxide, yana hana shigar da iskar oxygen da ruwa a cikin yanayi a cikin matrix karfe, yana rage zurfin haɓakar lalata ga kayan ƙarfe, kuma yana haɓaka juriya na lalata na yanayi na kayan ƙarfe.
2. Hot tsoma galvanizing
Hot tsoma galvanizing lalata rigakafin shi ne tsoma da workpiece da za a plated a cikin narkakkar karfe tutiya wanka ga plating, don samar da wani tsarki tutiya shafi a kan surface na workpiece da tutiya gami shafi a kan sakandare surface, don haka kamar yadda ya gane. kariya daga ƙarfe da ƙarfe.
3. Arc spraying anticorrosion
Yin feshin Arc shine a yi amfani da kayan feshi na musamman don narkar da wayar ƙarfe da aka fesa a ƙarƙashin aikin ƙarancin wutar lantarki da ƙarfin halin yanzu, sannan a fesa shi zuwa abubuwan ƙarfe da aka riga aka yi da yashi da gurɓataccen iska don samar da arc fesa zinc da aluminum coatings, wanda su ne. fesa tare da kayan rufewa na hana lalata don samar da wani dogon lokaci mai ƙoshin ƙoshin ƙoshin ƙoshin lafiya.Mai kauri mai kauri zai iya yadda ya kamata ya hana matsakaicin lalata daga tsomawa cikin substrate.
Halayen arc spraying anti-corrosion sune: rufin yana da babban mannewa, kuma mannewar sa ba ya misaltu da fenti mai arzikin tutiya da tutiya mai zafi.Sakamakon tasirin lankwasawa gwajin a kan workpiece bi da arc fesa anti-lalata magani ba kawai cikakken cika dace matsayin, amma kuma aka sani da "laminated karfe farantin";A anti-lalata lokaci na baka spraying shafi ne dogon, kullum 30 ~ 60A, da shafi kauri kayyade anti-lalata rayuwa na shafi.
4. Anti lalata na thermal fesa aluminum (zinc) hada shafi
Thermal spraying aluminum (zinc) hade shafi ne na dogon lokaci anti-lalata hanya tare da irin wannan tasiri a matsayin zafi tsoma galvanizing.Tsarin shine a cire tsatsa a saman memba na karfe ta hanyar fashewar yashi, ta yadda fuskar ta fito da kyalli na ƙarfe da roughened;Sannan a yi amfani da harshen wutan oxygen acetylene don narkar da waya ta aluminum (zinc) da ake aika ta ci gaba da busa ta zuwa saman mambobi na karfe tare da matsewar iska don samar da ruwan zuma na aluminum (zinc) spraying Layer (kauri kamar 80 ~ 100m);A ƙarshe, an cika pores da resin epoxy ko fenti na neoprene don samar da suturar da aka haɗa.Ba za a iya amfani da murfin da aka fesa mai zafi na aluminium (zinc) akan bangon ciki na membobin tubular ba.Don haka, duka ƙarshen mambobi na tubular dole ne a rufe su da iska don hana lalata a bangon ciki.
Amfanin wannan tsari shine cewa yana da karfin daidaitawa ga girman abubuwan da aka gyara, kuma siffar da girman abubuwan da aka gyara ba su da iyaka;Wani fa'ida shine cewa tasirin thermal na tsari shine na gida, don haka abubuwan da aka gyara ba zasu haifar da nakasar thermal ba.Idan aka kwatanta da zafi-tsoma galvanizing, da masana'antu digiri na thermal spraying aluminum (zinc) composite shafi ne low, da aiki tsanani da yashi ayukan iska mai ƙarfi da aluminum (zinc) spraying ne high, da kuma ingancin da kuma sauƙi shafi wani tunanin canje-canje na masu aiki. .
5. Rufi anticorrosion
A shafi anti-lalata na karfe tsarin bukatar biyu matakai: tushe jiyya da shafi yi.Manufar tushen hanya jiyya shi ne don cire burr, tsatsa, mai tabo da sauran haɗe-haɗe a saman abubuwan da aka gyara, ta yadda ya bijirar da ƙarfe luster a saman da aka gyara;Mafi mahimmancin jiyya na tushe, mafi kyawun tasirin mannewa.Hanyoyin magani na asali sun haɗa da magani na hannu da na inji, maganin sinadarai, maganin feshin inji, da dai sauransu.
Dangane da aikin gini, hanyoyin goge-goge da aka saba amfani da su sun haɗa da hanyar gogewa ta hannu, hanyar birgima ta hannu, hanyar shafa mai, hanyar fesa iska da hanyar fesa mara iska.Hanyar gogewa mai ma'ana na iya tabbatar da inganci, ci gaba, adana kayan aiki da rage farashi.
Dangane da tsarin shafi na shafi, akwai siffofin uku: na matsakaici, fenti na matsakaici, na farko, na farko da na ƙarshe.Na farko yana taka rawa na mannewa da rigakafin tsatsa;Topcoat yafi taka rawar anti-lalata da anti-tsufa;Ayyukan matsakaicin fenti yana tsakanin maɗaukaki da ƙarewa, kuma zai iya ƙara girman fim ɗin.
Sai kawai lokacin da aka yi amfani da na farko, tsaka-tsaki da kuma saman gashi tare za su iya taka rawa mafi kyau kuma su cimma sakamako mafi kyau.
Lokacin aikawa: Maris 29-2022