Bututun Kariya na Nitride Bonded Silicon Carbide: Manyan Aikace-aikace don Masana'antu Masu Zafi Mai Tsanani

IMuhalli mai tsanani na masana'antu—wanda ke da yanayin zafi mai yawa, hanyoyin lalata, da kuma narkakken ƙarfe—kariyar kayan aiki mai inganci yana da matuƙar muhimmanci wajen kiyaye ingancin samarwa da ingancin samfur.Bututun kariya na nitride bonded silicon carbide (NBSiC), wani abu mai aiki mai kyau wanda ya ƙunshi 70-80% silicon carbide (SiC) da 20-30% silicon nitride (Si₃N₄), ya yi fice tare da halaye na musamman: juriya mai zafi har zuwa 1450℃ (1650-1750℃ a cikin takamaiman yanayi), juriya mai ƙarfi ta lalata/abrasion, kyakkyawan kwanciyar hankali na girgizar zafi, da kuma yawan watsawar zafi.Ga manyan aikace-aikacen su, waɗanda ke nuna yadda suke magance manyan matsalolin da masana'antun duniya ke fuskanta.

1. Kariyar Thermocouple: Daidaiton Kula da Zafin Jiki a Yanayi Mai Tsanani

Kula da yanayin zafi muhimmin abu ne ga ingancin masana'antu da aminci, kuma ma'aunin zafi su ne manyan kayan aikin auna zafin jiki. Duk da haka, a cikin tanderun da ke da zafi mai yawa, na'urorin narkar da ƙarfe marasa ƙarfe, da kayan aikin sarrafa zafi, ma'aunin zafi mara kariya suna lalacewa cikin sauƙi ta hanyar iskar shaka, tsatsa, ko yashewar ƙarfe mai narkewa - wanda ke haifar da karatu mara daidai, lokacin hutu ba tare da shiri ba, da kuma tsadar kulawa mai yawa.An ƙera bututun kariya na NBSiC don kare ma'aunin zafi, wanda hakan ya sa su zama zaɓi mafi kyau ga yanayin sa ido kan yanayin zafi mai tsanani.

Ƙananan ma'aunin faɗaɗa zafi (4.4×10⁻⁶/℃) da ƙarancin porosity (<1%) suna tabbatar da daidaiton girma kuma suna hana tsatsa daga iskar acidic/alkaline da ƙarfe mai narkewa. Tare da taurin Mohs ~9, suna tsayayya da lalacewa daga ƙwayoyin cuta.Manyan aikace-aikacen sun haɗa da tanderun ƙarfe, tanderun narkewar aluminum, da murhun yumbu, inda bututun NBSiC ke tsawaita tsawon rayuwar thermocouple sau 3 ko fiye idan aka kwatanta da madadin gargajiya.

2. Narkewa da Simintin Karfe mara ƙarfe: Kariyar Tsarin Aiki Mai Muhimmanci

Masana'antun narkar da ƙarfe, jan ƙarfe, da zinc suna fuskantar manyan ƙalubale: zaizayar ƙarfe da haɗarin gurɓatawa.Bututun kariya na NBSiC suna da manyan ayyuka guda biyu a nan, suna samar da mafita na musamman.

a. Bututun da aka rufe don Kariyar Abubuwan Dumama

A cikin tanderun narkewar aluminum, abubuwan dumama silicon carbide suna da mahimmanci amma suna fuskantar barazanar lalacewar aluminum.Bututun NBSiC masu rufewa suna aiki a matsayin shinge, suna ware abubuwan dumama daga ƙarfe mai narkewa don tsawaita rayuwarsu da kuma guje wa gurɓatawa.Babban ƙarfin wutar lantarki da suke da shi yana tabbatar da ingantaccen canja wurin zafi, yana rage yawan amfani da makamashi. Ana iya keɓance su a diamita (har zuwa 600mm) da tsayi (har zuwa 3000mm), suna daidaitawa da ƙirar tanda daban-daban.

b. Masu Haɗawa don Gyaran Tayoyin Aluminum

Masu ɗagawa na NBSiC masu buɗewa (bututun ɗagawa) suna sauƙaƙa kwararar aluminum mai narkewa daga tanda zuwa ƙirar siminti a cikin kera ƙafafun aluminum. Tare da yanayin sanyi na fashewa sama da 150MPa da kuma juriyar girgiza mai kyau (tare da jure zagayowar 100 na zafin ɗaki na 1000℃), suna tabbatar da kwarara mai ɗorewa, mai ci gaba - suna rage lahani na siminti (porosity, inclusions) da inganta yawan amfanin ƙasa. Ba kamar bututun ƙarfe na siminti ba, NBSiC ba ya gurɓata aluminum mai narkewa, yana kiyaye tsarkin samfurin.