Bututun murabba'in abu ne mai mahimmanci don ginin duniya da haɓakawa, tare da aikace-aikacen da yawa da nau'ikan iri-iri. Dangane da siffofi daban-daban na ɓangaren giciye, bututun murabba'i gabaɗaya an kasu kashi huɗu: bayanan martaba, faranti, bututu, da samfuran ƙarfe. Domin sauƙaƙe samarwa, oda, samarwa, da sarrafa bututun murabba'in, ana amfani da su sosai.
1. Manufar square tube:
Bututun murabba'ikayan aiki ne da aka yi daga ingots na ƙarfe, billet, ko bututun murabba'i ta hanyar sarrafa matsi don saduwa da siffofi daban-daban, girma, da kaddarorin mu.
Bututun murabba'i wani abu ne mai mahimmanci kuma mai mahimmanci don ginawa da kuma tabbatar da sauye-sauyen zamani guda hudu a kasar Sin. Ana amfani da shi sosai kuma yana da nau'ikan iri iri-iri. Dangane da nau'ikan sassa daban-daban na giciye, bututun murabba'i gabaɗaya an kasu kashi huɗu: bayanan martaba, faranti, bututu, da samfuran ƙarfe. Domin sauƙaƙe ƙungiyar samar da bututun murabba'i, umarni da samarwa, da haɓaka aikin sarrafa kasuwanci.
2. Hanyar samar da murabba'in bututu
Mafi yawantube rectangularaiki ya ƙunshi nakasar filastik na karfen da aka sarrafa (billets, ingots, da sauransu) ta hanyar sarrafa matsi. Bisa ga aiki zafin jiki na square tube, da square tube za a iya raba sanyi aiki da kuma Hot aiki. Babban hanyoyin sarrafa bututun murabba'in sun haɗa da:
Rolling: Hanyar sarrafa matsa lamba wanda murabba'in bututun ƙarfe na ƙarfe ke wucewa ta ramuka (sisu daban-daban) tsakanin biyu na rollers masu juyawa, kuma sashin giciye na kayan yana raguwa kuma tsayin yana ƙaruwa saboda matsawar rollers. Wannan hanyar samarwa ce da aka saba amfani da ita don samar da bututu mai murabba'i, galibi ana amfani da ita don samar da bayanan bayanan murabba'in bututu, faranti, da bututu. Raba cikin sanyi mai juyi da zafi mai zafi.
Rolling: Hanyar sarrafa matsa lamba wanda murabba'in bututun ƙarfe na ƙarfe ke wucewa ta ramuka (sisu daban-daban) tsakanin biyu na rollers masu juyawa, kuma sashin giciye na kayan yana raguwa kuma tsayin yana ƙaruwa saboda matsawar rollers. Wannan hanyar samarwa ce da aka saba amfani da ita don samar da bututu mai murabba'i, galibi ana amfani da ita don samar da bayanan bayanan murabba'in bututu, faranti, da bututu. Raba cikin sanyi mai juyi da zafi mai zafi.
Jujjuyawar bututu mai murabba'i: Hanyar sarrafa matsi da ke amfani da madaidaicin tasirin guduma mai ƙirƙira ko matsi na latsa don canza sarari zuwa siffa da girman da muke buƙata. Gabaɗaya an raba shi zuwa ƙirƙira kyauta da mutuƙar ƙirƙira, kuma ana amfani da ita don kera kayan tare da manyan sassa daban-daban kamar manyan kayayyaki da billets.
Jawo murabba'in bututu: yana nufin hanyar sarrafawa na zana billet ɗin ƙarfe na ƙarfe (siffai, bututu, samfura, da sauransu) ta cikin ramukan mutu don rage sashin giciye kuma ƙara tsayi. An fi amfani dashi don sarrafa sanyi.
Extrusion: Hanyar sarrafawa wanda bututu mai murabba'i ya sanya ƙarfe a cikin rufaffiyar ɗakin extrusion kuma yana amfani da matsin lamba a gefe ɗaya don fitar da ƙarfen daga rami mai ƙayyadaddun ƙira don samun samfuran da aka gama na siffar da girmansu iri ɗaya. An fi amfani da shi wajen samar da bututun murabba'in ƙarfe mara ƙarfe
3. Karfe, karafa da karafa da ba na karfe ba
Kafin gabatar da rarrabuwa na karfe, a taƙaice gabatar da mahimman ra'ayoyin Ferrous,square tube karfeda ƙarfe mara ƙarfe.
1. Ferrous yana nufin baƙin ƙarfe da gami. Irin su ƙarfe, ƙarfe na alade, ferroalloys, simintin ƙarfe, da dai sauransu. Karfe da baƙin ƙarfe na alade sune abubuwan haɗin gwiwa bisa ga bututun ƙarfe na ƙarfe, tare da carbon a matsayin babban abin ƙari, tare da ake magana da shi azaman ƙarfe carbon alloys.
Iron Alade yana nufin samfurin da aka yi ta hanyar narkewar tama a cikin tanderun fashewa, wanda akasari ana amfani da shi don yin ƙarfe da kera bututu mai murabba'i na simintin gyaran kafa. Ana narkar da baƙin ƙarfen simintin simintin gyare-gyare a cikin tanderun ƙarfe da aka narkar da shi don samun simintin ƙarfe (ruwa). Ana jefa baƙin ƙarfe mai ruwa a cikin bututu mai murabba'i, kuma irin wannan simintin ƙarfe ana kiransa simintin ƙarfe.
Ferroalloy wani abu ne wanda ya hada da baƙin ƙarfe da silicon, manganese, chromium, titanium da sauran abubuwa. Ferroalloy yana daya daga cikin kayan da ake amfani da su don yin karfe. Ana amfani da shi azaman Oxygen scavenger da gami kashi ƙari ga karfe a square tube steelmaking.
2. Saka baƙin ƙarfe na alade don yin karfe a cikin tanderun ƙarfe da narke shi bisa ga wani tsari don samun karfe. Samfuran ƙarfe sun haɗa da ingots, ci gaba da yin simintin simintin gyare-gyare, da simintin ƙarfe daban-daban da aka yi ta hanyar simintin haɗin gwiwa na bututu mai murabba'in. Ƙarfe da aka fi sani da shi gabaɗaya yana nufin karfen da aka yi birgima cikin bututun murabba'i daban-daban. Square tube karfe nasa ne na Ferrous, amma karfe ne gaba daya ba daidai da baki zinariya
Lokacin aikawa: Juni-20-2023
