Refractory abu
ra'ayi:
Wani nau'in kayan da ba na ƙarfe ba tare da refractoriness ba ƙasa da 1580 ° C.Refractoriness yana nufin zafin jiki na Celsius wanda samfurin mazugi na refractory yayi tsayayya da aikin babban zafin jiki ba tare da laushi da narkewa ba a ƙarƙashin yanayin babu kaya.Duk da haka, kawai ma'anar refractoriness ba zai iya cika cikakken bayanin kayan da aka lalata ba, kuma 1580 ° C ba cikakke ba ne.Yanzu an ayyana shi a matsayin duk kayan da kayan aikinsu na zahiri da na sinadarai suka ba da damar yin amfani da shi a cikin yanayin zafi mai zafi ana kiransa kayan da ake kira refractory.Refractory kayan ana amfani da ko'ina a karfe, sinadaran masana'antu, man fetur, inji masana'antu, silicate, iko da sauran masana'antu filayen.Su ne mafi girma a cikin masana'antar ƙarfe, suna lissafin kashi 50% zuwa 60% na jimlar fitarwa.
tasiri:
Ana amfani da kayan juzu'i a fagage daban-daban na tattalin arzikin ƙasa kamar ƙarfe, ƙarfe mara ƙarfe, gilashi, siminti, yumbura, petrochemicals, injina, tukunyar jirgi, masana'antar hasken wuta, wutar lantarki, masana'antar soja, da sauransu, kuma sune mahimman kayan yau da kullun ga tabbatar da aikin samarwa da ci gaban fasaha na masana'antu na sama.Yana taka muhimmiyar rawa kuma ba za a iya maye gurbinsa ba a cikin haɓaka samar da masana'antu masu zafi mai zafi.
Tun daga shekara ta 2001, sakamakon saurin haɓaka masana'antu masu zafin jiki kamar baƙin ƙarfe da ƙarfe, ƙarfe mara ƙarfe, petrochemicals, da kayan gini, masana'antar refractory ta ci gaba da haɓaka haɓakar haɓaka mai kyau kuma ta zama babban mai samarwa da mai fitar da kayan haɓakawa a cikin duniya.A shekarar 2011, yawan kayayyakin da kasar Sin ta samar ya kai kusan kashi 65 cikin 100 na duk duniya, kuma yawan samar da kayayyaki da tallace-tallace ya kasance a matsayi na daya a duniya.
Ci gaban masana'antar refractory yana da alaƙa da riƙe albarkatun ma'adinai na cikin gida.Bauxite, magnesite da graphite sune manyan abubuwa uku masu jujjuyawa.Kasar Sin na daya daga cikin kasashe uku da suka fi fitar da bauxite a duniya, kuma ita ce kasa mafi girma a duniya da ta ke da ma'aunin magnesite, kuma tana da yawan fitar da graphite.Albarkatun da ke da wadata sun tallafa wa kayayyakin da kasar Sin ta ke amfani da su a cikin sauri na tsawon shekaru goma.
Tare da lokacin "shirin shekaru biyar na goma sha biyu", kasar Sin tana hanzarta kawar da karfin samar da makamashi da ya tsufa da kuma amfani da makamashi mai yawa.Masana'antar za ta mai da hankali kan haɓakawa da haɓaka sabbin tanderun ceton makamashi, haɓaka cikakkun fasahohin ceton makamashi, sarrafa makamashi, sarrafa fitar da “sharar gida guda uku” da kuma amfani da albarkatu na “sharar gida uku” Sake amfani da su, da dai sauransu. sake amfani da albarkatu da sake yin amfani da kayan da aka sake amfani da su bayan amfani da su, rage fitar da iska mai ƙarfi, inganta ingantaccen amfani da albarkatu, da haɓaka haɓaka makamashi da rage iska gabaɗaya.
"Manufar ci gaban masana'antu mai ma'ana" ta yi nuni da cewa, na'urar da ake amfani da ita a masana'antar karafa ta kasar Sin ta kai kusan kilogiram 25 kan ko wanne tan na karfe, kuma zai ragu kasa da kilogiram 15 nan da shekarar 2020. , ƙarin kuzari mai ƙarfi, mara ƙazanta, da aiki.Kayayyakin za su dace da buƙatun ci gaban tattalin arzikin ƙasa kamar ƙarfe, kayan gini, sinadarai, da masana'antu masu tasowa, kuma za su haɓaka abubuwan fasaha na samfuran fitarwa.
Kayayyakin da aka sanyawa suna da nau'ikan iri da amfani daban-daban.Ya wajaba a kimiyance a rarraba kayan da ba su da tushe don sauƙaƙe binciken kimiyya, zaɓi na hankali da gudanarwa.Akwai hanyoyin rarrabuwa da yawa don kayan refractory, gami da rarrabuwar sifofin sinadarai, rabe-raben abun da ke tattare da ma'adinai, rarrabuwar tsarin samarwa, da rabe-raben ilimin halittar jiki.
Rabewa:
1. Bisa ga matakin refractoriness:
Talakawa refractory abu: 1580 ℃ ~ 1770 ℃, ci-gaba refractory abu: 1770 ℃ ~ 2000 ℃, musamman sa refractory abu:> 2000 ℃
2. Za'a iya raba kayan da ake jujjuyawa zuwa:
Kayayyakin da aka kora, samfuran da ba a buɗe ba, abubuwan da ba su da siffa
3. Rarraba ta kayan sinadarai:
Acid refractory, tsaka tsaki refractory, alkaline refractory
4. Rarraba bisa ga sinadaran ma'adinai
Wannan hanyar rarrabuwa na iya kai tsaye siffanta ainihin abun da ke ciki da halaye na kayan da ba a iya jurewa daban-daban.Hanya ce ta gama gari a samarwa, amfani, da bincike na kimiyya, kuma tana da mahimmancin aikace-aikace mai ƙarfi.
Silica (silica), aluminum silicate, corundum, magnesia, magnesia calcium, aluminum magnesia, magnesia silicon, carbon composite refractories, zirconium refractories, musamman refractories.
6. Rarraba kayan da ba su da sifofi (wanda aka rarraba bisa ga hanyar amfani)
Castables, fesa sutura, kayan ramming, robobi, kayan riko, kayan tsinkaya, kayan shafa, busassun kayan girgiza, ƙasƙara mai gudana da kai, slurries masu juyawa.
Abubuwan da ke tsaka tsaki sun ƙunshi alumina, chromium oxide ko carbon.Samfurin corundum mai dauke da fiye da 95% alumina abu ne mai inganci mai inganci tare da fa'idar amfani.
Chiping Wanyu Masana'antu da Ciniki Co., Ltd., kafa a 2010, ƙware a samar da lalacewa-resistant da kayayyakin refractory: farin corundum sashe yashi, lafiya foda, da granular yashi jerin kayayyakin.
Bayani dalla-dalla na sawa-resistant jerin: 8-5#, 5-3#, 3-1#, 3-6#, 1-0#, 100-0#, 200-0#, 325-0#
Ƙimar yashi: 20#, 24#, 36#, 40#, 46#, 54#, 60#, 80#, 100#, 150#, 180#, 200#, 220#, 240#,
Lokacin aikawa: Dec-30-2021