Hot- tsoma galvanizing yana daya daga cikin mahimman hanyoyin hana lalata da ake amfani da su don kula da saman karfe. A cikin yanayi mai lalacewa, kauri na galvanized Layer na grating karfe yana da tasiri kai tsaye akan juriya na lalata. A ƙarƙashin yanayin ƙarfin haɗin kai guda ɗaya, kauri na sutura (yawan mannewa) ya bambanta, kuma lokacin juriya na lalata shima ya bambanta. Zinc yana da kyakkyawan aiki a matsayin kayan kariya don tushen grating karfe. Ƙarfin lantarki na zinc ya yi ƙasa da na baƙin ƙarfe. A gaban electrolyte, zinc ya zama anode kuma ya yi asarar electrons kuma ya lalata musamman, yayin da ginin karfe ya zama cathode. Ana kiyaye shi daga lalata ta hanyar kariyar electrochemical na galvanized Layer. Babu shakka, mafi ƙarancin suturar, guntun lokacin juriya na lalata, da lokacin juriya na lalata yana ƙaruwa yayin da kauri ya karu. Duk da haka, idan kauri mai kauri ya yi kauri sosai, ƙarfin haɗin gwiwa tsakanin rufin da ƙarfe na ƙarfe zai ragu sosai, wanda zai rage lokacin juriya na lalata kuma ba ta da tsadar tattalin arziki. Sabili da haka, akwai ƙimar mafi kyau ga kauri mai rufi, kuma ba shi da kyau ya zama mai kauri. Bayan bincike, don zafi-tsoma galvanized karfe grating plating sassa na daban-daban bayani dalla-dalla, da mafi kyau duka shafi kauri ne mafi dace don cimma mafi tsawo lalata juriya lokaci.
Hanyoyi don inganta kauri
1. Zaɓi mafi kyawun zafin jiki na galvanizing
Yadda za a sarrafa galvanizing zafin jiki na karfe grating yana da matukar muhimmanci don tabbatar da inganta ingancin shafi. Bayan shekaru na samarwa yi, mun yi imani da cewa shi ne manufa don sarrafa zafi-tsoma galvanizing zafin jiki a 470 ~ 480 ℃. Lokacin da kauri daga cikin plated part ne 5mm, da shafi kauri ne 90 ~ 95um (na yanayi zafin jiki ne 21 ~ 25) A wannan lokaci, da zafi-tsoma galvanized karfe grating da aka gwada ta hanyar jan karfe sulfate Hanyar. Sakamakon nuna cewa: da shafi ne immersed fiye da sau 7 ba tare da fallasa da baƙin ƙarfe matrix; da galvanized lebur fiye da lokacin faɗuwar karfe 9. Lokacin da tutiya nutsewa zafin jiki ne 455 ~ 460 ℃, da shafi kauri ya wuce mafi kyau duka darajar A wannan lokaci, ko da yake shafi uniformity gwajin sakamakon ne mai kyau (yawanci immersed fiye da 8 sau ba tare da fallasa da matrix), saboda da karuwa a cikin tutiya ruwa danko, da sagging sabon abu ne mafi bayyananne, da lankwasawa gwajin ne ba da garanti 510 ~ 520 ℃, da shafi kauri ne kasa da mafi kyau duka darajar (yawanci kasa da 60um).
2. Sarrafa saurin ɗagawa na sassan plated. Gudun ɗaga sassan da aka ɗora da ƙarfe na ƙarfe daga ruwan zinc yana da tasiri mai mahimmanci akan kauri mai rufi. Lokacin da saurin ɗagawa yayi sauri, to, Layer galvanized yana da kauri. Idan saurin ɗagawa yana jinkirin, murfin zai zama bakin ciki. Don haka, saurin ɗagawa ya kamata ya dace. Idan ya yi jinkiri sosai, ƙarfe na ƙarfe-zinc alloy Layer da tsantsar zinc Layer za su bazu yayin aiwatar da aikin ɗagawa na sassa na karfen grating, ta yadda tsantsar zinc Layer ya kusan rikiɗa ya zama alloy Layer, kuma an samar da fim mai launin toka-ƙishirwa, wanda ke rage aikin lanƙwasawa. Bugu da kari, baya ga kasancewa da alaƙa da saurin ɗagawa, yana kuma da alaƙa da kusurwar ɗagawa.
3. Tsananin sarrafa lokacin nutsewar zinc
An sani cewa kauri na karfe grating shafi yana da alaka kai tsaye da lokacin nutsewar zinc. Lokacin nutsewar zinc yafi haɗa da lokacin da ake buƙata don cire taimakon plating a saman sassan da aka yi wa rufin da lokacin da ake buƙata don dumama sassan da aka yi da su zuwa zafin ruwan zinc da kuma cire ash ash a saman ruwa bayan zinc nutsewa. A cikin yanayi na al'ada, lokacin nutsewar zinc na sassan da aka yi wa rufin ana sarrafa shi zuwa jimlar lokacin lokacin da abin da ya faru tsakanin sassan da aka rufe da ruwan zinc ya ƙare kuma an cire ash ash a saman ruwa. Idan lokacin ya yi tsayi da yawa, ba za a iya tabbatar da ingancin sassan da aka ɗora ba. Idan lokaci ya yi tsayi da yawa, kauri da raguwa na sutura za su karu, kuma za a rage juriya na lalata, wanda zai shafi rayuwar sabis na sassan da aka yi da karfe.
Lokacin aikawa: Juni-20-2024