Muhimmin Gargaɗi: Wannan rubutun tarihi ne, ba shawarwarin yanzu ba, kimanta haɗari ko umarni don bushewar itace a cikin mai mai zafi. Zazzabi, tankuna, dumama, samun iska, ɗagawa, kayan man fetur, hayaki, kare wuta da fashewa, lafiyar ma’aikata da kare muhalli dole ne a duba su bisa ga ƙa’idodi na yanzu da kuma masana masu izini.
Wannan rubutun ba tayin petrolatum bane, bushewa ko ƙirar irin waɗannan tsire-tsire ta Savo Kusić. tayin na yanzu yana mai da hankali kan tagogi, kofofin da mafita masu alaƙa.
Abubuwan tarihi da tsari
A cikin masana’antar sarrafa itace na masana’antar gine-gine, ana kuma amfani da busar da katakon katako a cikin petrolatum. Man fetur wani sharar gida ne da ake samu yayin sarrafa man fetur don shafawa.
Cakuda ne na paraffin, ceresin da kuma tsaftataccen mai. A yanayin zafi20o petrolatum yana da launin bambaro-rawaya. Takamammen nauyinsa kusan0.9, zafin narkewa250o, zazzabi mai warkewa50o. Amfani da petrolatum don bushewa 1mconiferous itatuwa jere daga20ku25 kg. Farashin irin wannan bushewa yana ƙasa da farashin bushewa a cikin ɗakunan bushewa.
Hoto1Na’urar bushewa itace a cikin petrolatum:1- Decovilija waƙa;2- akwati;3- crane dogo;4- crane;5- samun iska tare da dukan ginin;8- rajistar dumama;9- slag kankare;10- yumbu rufi
Kayan aikin tarihi
Gina na’urorin busar da mai (Fig1) abu ne mai sauqi qwarai. Ya ƙunshi tanki na ƙarfe da aka saka a cikin ramin kankare kuma an yi masa layi tare da ulu mai ulu don kariya ta thermal. A kasan tankin, akwai bututu don dumama man petur, wanda tururi ko iskar gas ke shiga. Ana sanya katakon katako a cikin kwantena na musamman, waɗanda aka saukar da su cikin tanki mai zafi mai zafi ta amfani da abin nadi na lantarki.
Yanayin yanayin tarihi da tsawon lokaci
Tsawon lokacin bushewa ya dogara da zafin jiki, wanda don bakin ciki softwood kayan iya isa i140oh, kuma ga masu kiba sun fi yawa110o. Bisa ga bayanai, lokacin farin ciki softwood sawn katako25 mmdaga zafi45%zuwa zafi15%yana bushewa don3h, da kauri40-45 mm- domin8h. Gadaje sashe100x100 mmsun bushe don22-24h, wanda yake kusan15-20sau sauri fiye da bushewa a cikin ɗakunan tururi.
Bayan bushewa, ya kamata a ajiye kayan a cikin dakin sanyaya ko a cikin ɗakin ajiya na tsawon kwanaki biyu zuwa uku, bayan haka za’a iya sarrafa shi akan inji.
Bayanin tarihi na halaye da iyakoki
Ingancin bushewa na itacen coniferous da ƙarancin ƙarfi yana da gamsarwa gaba ɗaya. Itacen itacen oak da katako na nau’in conifer na manyan sassan giciye lokacin da aka bushe a cikin petrolatum yana ba da adadi mai yawa na tarkace saboda samuwar fashewar ciki. Petrolatum yana shiga cikin katako, wanda ya bushe zuwa zurfin2 mm; tare da wannan, itacen yana maganin kashe kwayoyin cuta, amma ɓawon burodin petrolatum, wanda aka kafa a lokacin wannan tsari, yana da wuya a sarrafa itacen da injuna. Bugu da ƙari, a kan busassun katako na sawn, ana iya lura da rarraba danshi marar daidaituwa a fadin sashin giciye, wanda, dangane da nau’in itace, ya fito daga.6ku14%.