A ƙarfi daga coke da kuma masana'anta fadada gidajen abinci

Ƙarfi ne, kuma nama Cox compensators karkashin coke ƙarfi nufin da ikon yin tsayayya daban-daban lodi hallakaswa (bugu, abrasion) to wanda shi ne hõre a lokacin da sufuri, da tanadin, da kuma ciyar cikin ɓuyar a lokacin smelting. Wannan dukiyar aka dauke su mafi muhimmanci nuna alama daga cikin ingancin na coke. Ba ya samar da wani m coke tarar sa don kula da high gas permeability na cajin da wani babban aiki da harin gagarumar wuta. coke ƙarfi ne m da wucin gadi rushewa daga samfurori da fallasa su bugu da abrasive lodi. Auna da karfin da aka canza sieve (barbashi size) na abun da ke ciki na coke a lokacin gwajin da kuma yin amfani da masana'anta fadada gidajen abinci. A mafi yadu used Hanyar kayyade coke arfi ta watse shi a cikin wani juyawa drum. Wannan hanya ta ƙunshi a gaskiyar cewa coke wasu size samfurin na wani size aka sanya a cikin drum, bayan wanda shi ne juya su a wata qaddara gudun ga wata qaddara lokaci. Chunks na coke entrained sama fada, kuma an zuba, haka samun sulusi da murabba'i drum da abrasive lodi aka hallaka a sãɓãwar launukansa digiri dangane da inji ƙarfi. Tsayin halin da canji a cikin size na coke guda a matsayin sakamakon da gwajin. A kasar shi ya dade da misali hanya domin kayyade ƙarfin coke drum samarwa a Rasha a karni na sha tara marigayi E.Sundgrenom. ganga 2,000 mm a diamita da kuma 800 mm a fadin yana da wani cylindrical surface a cikin wani nau'i na raga na dũka na 25 mm diamita da wannan ayyana therebetween compensators. A drum aka ɗora Kwatancen coke samfurin nauyi na 410 kg a guda na 25 mm. A drum aka juya su na mintina 15 at 10 Rev / min. A sakamakon lalata da kananan guda na coke don fada ta cikin gibba tsakanin sanduna. Tsayin nuna alama ne da taro na coke sauran ciki da drum. An ƙarin alama ne adadin 10-0 mm sulusi da murabba'i podbarabannom samfurin. Dogon lokacin da kwarewa ya nuna cewa da al'ada aiki da harin makera iya zama coke, ba da sauran na drum ba kasa da 300 kg. A mafi kyau iri ne 340-350 kg drum samfurin. Similar hanyoyin gwaji masana'anta fadada gidajen abinci amfani a kasashe da yawa, duk da haka, drum size, da nauyin da samfurin, da yawan juyin ne daban-daban. Wannan sa a wata rashin comparability na Manuniya na coke ƙarfi kuma yi at su tsãwa Tanderu. Saboda haka, a cikin shekarar 1963 Soviet Sundgren bayyana Hanyar aka maye gurbinsu da na kasa da kasa Hanyar kayyade ƙarfin coke a kananan rufaffiyar drum diamita da 1,000 mm a tsawon (Gost 8929-65). A ciki surface na drum 4 suna welded baka 100 mm. Don gwada coke cajin ya fi girma samfurin na 60 mm a wani adadin na 150 kg, wanda aka raba 3 sassa da nauyin 50 kg. A drum ake tuhuma da daya daga cikin wadannan sassa (50 kg) da kuma sa shi ya juya a gudun 25 Rev / min for 4 minti. A samfurin da aka sa'an nan cire da kuma watsa sieve da zagaye ramukan da diamita 40 mm da kuma 10 mm. Halin yawan amfanin ƙasa ƙarfi coke sulusi da murabba'i 40 mm (Figure M40), da kuma ta abradability - amfanin ƙasa sulusi da murabba'i 10-0 mm (M10 bangaren) a cikin wani kaso daga nauyi na samfurin. Ana jarraba biyu samfurori. A hali na sãɓã wa jũnamai sakamakon cikin sharuddan M40 da kuma fiye da 3% cikin sharuddan fiye da 1% M10 uku gwajin samfurin. A karshe sakamakon da aka kaddara matsayin ilmin lissafi talakawan. A mafi girma da M40 da kuma M10 kasa, da karfi da coke. A cikin 'yan shekaru, a da yawa masana'antu coke ƙarfi gwajin a cikin wannan (kananan) drum (Gost 5953-72), a lokaci guda domin sauke da kuma juyawa, amma kai gwajin coke hatsi size 25 mm. Tsayin index of coke yawan amfanin ƙasa ne 25 mm sulusi da murabba'i (M25), kuma abradability - M10. A nufin darajar da wadannan Manuniya na coke ƙarfi, a cikin Tarayyar Soviet 1985 Kudu shuke-shuke bambanta a cikin wadannan jeri: M25 - daga 70,7 zuwa 88,9%. M10 - daga 6.3 zuwa 11.3%, kuma a cikin masana'antu na Rasha da Kazakhstan: M40 - daga 57,8 zuwa 75,1%. M25 - daga 83,7 zuwa 87,6% da kuma M10 - daga 6.5 zuwa 10,0%. Har ila yau kayyade hanyoyin kayyade karfin fashewar makera coke ana amfani da sauransu. A hasara na wadannan gwajin hanyoyin coke ƙarfi a cikin sanyi jihar ta'allaka ne da cewa ba za su iya kimanta da ƙarfi a high yanayin zafi ga abin da coke ne mai tsanani a wani harin bom da gagarumar wuta. ƙoƙarin kafa hanya domin kayyade thermal zaman lafiyar na coke. coke ƙarfi karfi da dogara a kan adadin da form fasa a cikin chunks. Halakar faruwa ne ta samu karaya guda, wurare da ciki gajiyan tasowa a lokacin coking. Bincike ya tabbatar da cewa canji a barbashi size rarraba da coke ba gwargwado ga karaya makamashi, da farko hanzari murƙushe coke, da adadin tarar ƙaruwa da cika fuska da kuma rage-rage sharply manyan, sa'an nan fragmentation slows. M girma daga cikin karaya kaiwa yafi coke abrasion, tun da crushing na dukan yanki ne wuya. Wannan yarda ka kimanta da coke ƙarfin stabilized sieve abun da ke ciki, ya samu bayan aiwatar da duk fasa da ciki danniya. Ana cire da coke daga tsãwa makera ta cikin tuyere nuna cewa abun da ke ciki yayi dace kamar zuwa sieve da stabilized abun da ke ciki. An sani cewa gas permeability na masana'anta fadada gidajen abinci kwance lumpy abu ne inganta tare da karuwa a cikin homogeneity na ta size guda. Don inganta uniformity na coke size kafin su sami ganiya size chunks for tsãwa Tanderu (25-40 mm), ƙoƙarin pre-dattako ta allo abun da ke ciki da biyayya da shi zuwa ga wani adadin inji danniya, bi da ya kassa sakamakon tara. Wannan zai rage kara tabarbarewar coke lumps ta samar a cikin fashewar makera tarar da inganta gas permeability na cajin a high-zazzabi zones.