Tushen simintin gyare-gyaren tukwane da aka fi sani da tukunyar girki na gargajiya a kasar Sin saboda yawan karfinsa, da karin karfe, da tattalin arziki da kuma amfaninsa.Koyaya, tukwanen simintin ƙarfe a halin yanzu da ke kasuwa duk simintin ƙarfe ne ko ƙarfe da aka sake sarrafa su.Babban abubuwan da ke cikin simintin ƙarfe: carbon (C) = 2.0 zuwa 4.5%, silicon (Si) = 1.0 zuwa 3.0%.Ko da yake yana da fa'idodi na ƙananan farashi, kyakkyawan simintin gyare-gyare da yankan aiki, da tsayin daka mai tsayi, an yi shi daga ƙarfe na alade Ko kuma an jefa shi kai tsaye daga ƙarfe da aka sake yin fa'ida.Baya ga mafi girman silica da carbon, yana kuma ƙunshi phosphorus, sulfur, gubar, cadmium, arsenic da sauran abubuwa masu cutarwa ga jikin ɗan adam.Don haka a tsarin dafa abinci, duk da cewa tukunyar ƙarfe tana iya ƙara ƙarfe, amma yana da sauƙi a sami waɗannan abubuwa masu cutarwa yayin da ake ƙara ƙarfe, musamman ma baƙin ƙarfe masu nauyi irin su gubar, cadmium da arsenic za su shiga jikin ɗan adam tare da abinci kuma su taru a kan lokaci.Zai haifar da mummunar cutarwa ga jikin mutum.Alal misali, ma'auni na kasa na Jamhuriyar Jama'ar Sin "Ma'aunin Tsafta na Bakin Karfe Containers" GB9684-88 ya yi ƙa'idodi masu yawa game da ma'auni na jiki da sinadarai na austenitic bakin karfe da martensitic bakin karfe.Koyaya, saboda rashin ƙa'idodin ƙasa ko masana'antu don alamun tsaftar kayan dafa abinci na ƙarfe, da ƙarancin hanyoyin kera shi, duk masana'antun ba su sarrafa alamun tsaftar su ba.Bayan binciken bazuwar, tsaftar kayan dafa abinci na ƙarfe, musamman simintin girki, a kasuwa Mafi yawansu ba su dace da ma'auni na zahiri da sinadarai na bakin karfe ba.
Haka kuma akwai wasu kwanonin ƙarfe da aka haƙa daga farantin ƙarfe a kasuwa, duk da cewa abubuwan da ke cikin manyan karafa za a iya iyakance su ta hanyar zaɓin kayan farantin karfe, don kada su haifar da zazzabin typhoid ga jikin ɗan adam.Koyaya, abun cikin carbon na farantin karfe gabaɗaya bai wuce 1.0% ba, wanda ke haifar da ƙarancin tauri da tsatsa mai sauƙi.Lambar aikace-aikacen lamba 90224166.4 tana ba da shawara don ɗaukar enamel mai ƙarfi a saman farfajiyar kwanon ƙarfe na yau da kullun;Lambobin aikace-aikacen haƙƙin mallaka 87100220 da 89200759.1 suna amfani da hanyar lulluɓin aluminum a saman saman kwanon ƙarfe don magance matsalar tsatsa ta saman, amma waɗannan hanyoyin keɓe ƙarfen Sinadaran suna cikin hulɗar kai tsaye tare da abinci, da fa'idar rushewar ƙarfe. a cikin kwanon ƙarfe ya ɓace.
Bugu da ƙari, kayan dafa abinci na baƙin ƙarfe da aka yi ta hanyar stamping da kuma samar da farantin karfe yana da tsarin kayan aiki mai yawa, don haka halayen ajiyar makamashi da adana zafi sun fi na simintin ƙarfe;kuma saboda babu micropores a saman, shayarwar mai da aikinta shima ya fi na simintin girki.Kayan girki mara kyau na simintin ƙarfe.A ƙarshe, kayan dafa abinci na baƙin ƙarfe waɗanda aka yi ta hanyar tambari da kafa farantin karfe ba za su iya cimma tasirin dafa abinci na simintin ƙarfe ba saboda yana da wahala a cimma sifofin da ba su daidaita da kauri mai kauri da gefuna masu kauri a sashinsa.
Lokacin aikawa: Oktoba-22-2020