Menene halogens?
Abubuwa kamar su fluorine, chlorine, bromine, aidin da astate sune halogens kuma suna bayyana a cikin babban rukuni na bakwai a cikin tebur na lokaci-lokaci na abubuwan.Ana samun su a cikin mahadi masu yawa, misali a cikin polyvinylchloride.PVC, kamar yadda aka sani da gajere, yana da tsayi sosai, wanda shine dalilin da ya sa aka yi amfani da shi a yawancin kayan fasaha, da kuma sutura da kayan kwalliya a cikin igiyoyi.Chlorine da sauran halogens galibi ana haɗa su azaman ƙari don haɓaka kariyar harshen wuta.Amma hakan ya zo da farashi.Halogens suna da illa ga lafiya.Don haka, ana ƙara amfani da robobin da ba su ƙunshi halogen ba.
Menene kebul mara halogen?
Kamar yadda sunan su ya nuna, igiyoyi marasa halogen ba su da halogen a cikin abun da ke cikin robobi.Ana iya gano robobin da ke ɗauke da halogen ta hanyar sinadarai a cikin sunayensu, kamar polyvinyl chloride da aka ambata a baya, roba chloroprene, fluoroethylene propylene, fluoro polymer roba, da sauransu.
Idan kana so ko amfani da igiyoyi marasa halogen, tabbatar da cewa waɗannan sun ƙunshi robobi irin su silicone roba, polyurethane, polyethylene, polyamide, polypropylene, thermoplastic elastomer (TPE) ko ethylene propylene diene roba.Ba su ƙunshi kowane nau'i mai nauyi na tushen ƙarfafa ƙarfe ko masu laushi ba, kuma abubuwan da ke ƙara kariya ga harshen wuta suna da aminci ga muhalli.
Ta yaya ake keɓance kebul marasa halogen?
Kebul ba shi da halogen idan ba a yi amfani da halogens irin su chlorine, fluorine ko bromine a cikin kebul na rufi da kayan kwasfa ba.Glandan igiyoyi, tsarin bututu, masu haɗawa ko raguwa, kamar suKARE HF bututu mai raguwadaga Mingxiu, kuma ana iya yin shi da robobi marasa halogen don haka ba su da halogen.Idan kana buƙatar igiyoyi marasa halogen, alal misali, lura da samfuran samfura masu zuwa:
| Halogenated robobi | Filastik marasa Halogen |
| Chlorinephen-robaFluorethylene Propylene Fluorpolymer roba PolyvinylChloride | Silicone robaPolyurethane Polyethylene Polyamide Polypropylene Thermoplastic Elastomers |
Me yasa igiyoyi marasa halogen ke da mahimmanci don kariyar wuta?
Halogens na iya lalata lafiyar jiki.Wannan shine lamarin musamman lokacin da robobi halogenated, musamman PVC, suka ƙone.Idan wuta ta tashi, ana fitar da halides hydrogen daga filastik.Halogens suna haɗawa da ruwa, kamar ruwan kashe wuta da ƙungiyar kashe gobara ke amfani da shi ko kuma ruwa daga cikin mucous membranes, don samar da acid - chlorine ya zama hydrochloric acid, fluorine mai matukar lalata hydrofluoric acid.Bugu da ƙari, ana iya samar da cakuda dioxins da sauran sinadarai masu guba.Idan sun shiga hanyoyin iska, za su iya haifar da lalacewa da kuma haifar da shaƙewa.Ko da wani ya tsira daga gobarar, lafiyarsa na iya lalacewa ta dindindin.Wannan ya yi ƙasa da lamarin don igiyoyi marasa halogen.
Don haɗaɗɗen kariyar wuta, igiyoyi yakamata su kasance da kariyar harshen wuta da ƙarancin hayaki.Kariyar harshen wuta yana rage konewa da yada harshen wuta kuma yana inganta kashe kansa.Masu sana'a suna fuskantar matsala a nan, kamar yadda chlorine da bromine ke da kyau a cikin harshen wuta, wanda shine dalilin da ya sa ake yawan haɗuwa da su da robobi don igiyoyi.Koyaya, saboda haɗarin lafiya da aka ambata, wannan yana da cece-kuce kuma ana ba da izini ne kawai inda babu mutane da ke cikin haɗari.Sakamakon haka, Mingxiu yana amfani da kayan tare da babban matakin kariya na harshen wuta amma ba tare da halogens ba.
Menene fa'idar igiyoyi marasa halogen?
Idan igiyoyin da ba su da halogen sun yi zafi sosai ko kone su, suna samar da ƙarancin acid ko iskar gas waɗanda ke da illa ga lafiya.Kebul na XLPE ko igiyoyin bayanai daga Mingxiu sun dace musamman don amfani da su a cikin gine-ginen jama'a, sufuri ko gabaɗaya inda gobara na iya cutar da mutane ko dabbobi ko lalata dukiya.Suna da ƙarancin yawan hayaƙin hayaki, don haka suna samar da ƙarancin hayaki kuma suna sauƙaƙe wa mutanen da suka makale don samun hanyoyin tserewa.
Kebul marasa halogen suna da amfani musamman idan kuna son tabbatar da iyakar yuwuwar riƙewar aiki a yayin da gobara ta tashi.Wannan na iya zama mahimmanci a cikin gine-gine inda kyamarorin sa ido ke ba da hotunan tushen gobarar.Th high-gudun bayanai na USB daga Mingxiu yana watsa bayanai a cikakken adadin watsawa koda bayan sa'o'i biyu a cikin harshen wuta.
Lokacin aikawa: Maris 25-2022