Abincin gwangwani mai gina jiki, aminci, dacewa, yakamata ya zama abinci mafi dacewa.Amma kamar yadda gwangwani suka cika a cikin 'yan shekarun da suka gabata, an zaɓi gwangwani na gilashi daga kwalabe na nasara irin na Suzhou, suna yada sakon cewa "zai iya dandana kuma baki yana da wuyar buɗewa".Wannan ita ce babbar tambaya.Masu amfani ba su da sauƙin ci, tare da tasiri mai tsanani ga ci gaban masana'antar gwangwani.Yanzu haɓaka aiki na masana'antar gwangwani, gwangwani gwangwani tare da murfi mai sauƙin buɗewa, gwangwani gilashi tare da murfi mara kyau.Fiye da shekaru goma da suka gabata, mutane da yawa sun zaɓi yin amfani da murfi mai sauƙi, waɗanda gwangwani na porridge takwas.Kasan gwangwanin da aka daure.An yi murfi masu sauƙi da aluminum gami kuma an haɗa su da ƙaramin cokali na filastik.Abincin ya dace sosai kuma masu amfani sun ji gamsuwa sosai, yanzu, adadin tallace-tallace na pudding shinkafa na gwangwani na shekara yana kusan tan 300,000.
Duk da haka, ba kowane nau'in abincin gwangwani ba ne za a iya misalta babao porridge zai iya zaɓarkwalban abinci na filastik tare da murfi mai sauƙin buɗewa.A cikin 'yan shekarun da suka gabata, wata masana'antar abinci ta gwangwani a Guangdong ta samar da gwangwani ruwan tumatir.An yi gwangwani da baƙin ƙarfe mai gwangwani da aluminum gami da murfi masu sauƙin ja, kuma abin da ke ciki ya ƙunshi 0.5% sodium chloride (NaCl) .An ƙididdige abun ciki na chlorine don zama 303 mg / kg, bayan watanni da yawa na ajiya, an tilasta samar da kayan aiki don dakatarwa saboda zubar da tanki a cikin rivet da layin masu sauƙi.
Ana amfani da tinplate a kasan jikin gwangwani.Idan murfin gwangwani an yi shi da alloy na aluminium, ana samar da ƙaramin batir bayan abincin gwangwani, kuma yanayin bimetallic yana faruwa.Aluminum shine anode kuma tin shine cathode.Lokacin da yankin cathode ya fi girma fiye da yankin anode, ɓangaren anode na harin zurfin rami, har sai perforation.Bayan 'yan shekaru da suka wuce, shahararren abin sha na kwakwa a Taiwan an yi shi da aluminum gami da murfi mai sauƙin buɗewa da faranti a ƙasan gwangwani.Matsakaicin ions na chloride a cikin abun ciki ya kai 440 ~ 1492 mg/kg, Ph = 4.4 ~ 4.6, galibi malic acid.A farkon mataki na Canning, abubuwan da suka lalace (malic acid, ion chloride) sun cika fim ɗin shafi kuma suna aiwatar da halayen electrochemical.A halin yanzu, fim ɗin da aka rufe shi ne cathode, fim ɗin da aka lalata ya lalace ta hanyar fim ɗin da aka fallasa tin, baƙin ƙarfe don anode, har sai yankin da ya dace na tin, baƙin ƙarfe da aka fallasa, da aluminum mai sauƙin cire murfin saboda lalacewar igiyar aluminium. tare don samar da ƙaramin baturi, don amsa bimetallic.A wannan lokacin, aluminum ga anodic harin lalata rushewa, guda biyu tare da kasancewar chloride ion a cikin abun ciki, inganta lalata amsa don hanzarta ci gaban aluminum gami sauki-ja hula rivet, line perforation.
An ba da rahoton cewa, wasu abinci mai yawan acid suna ɗauke da ions chloride wanda ya wuce 100mg/kg, ciki har da naman gwangwani, kaji da kayan lambu na ruwa (sakamakon shan gishiri ko sodium chloride), ana amfani da tinplate ga kasan iyawar jiki, kuma aluminum alloy bai dace da murfin gwangwani ba, tinplate ya kamata a yi amfani da shi da sauƙi don cire murfin, don kauce wa abin da ya faru na bimetallic electrochemical reaction da perforation.
Lokacin aikawa: Mayu-10-2022