Uthuthu olubhabhayo, imveliso ephuma kwizityalo zamandla obushushu ezisebenzisa amalahle, sisixhobo esibizwa ngokuba yi-pozzolanic esibonwa njengomthombo oxabisekileyo onokongezwa kwizixhobo zokwakha ukuze kwenziwe iikhompawundi zesamente xa zidibana namanzi. Ii-cenospheres, amasuntswana angenanto, anemilo engqukuva ahlala evulelekile, zezinye zezinto ezibaluleke kakhulu okanye iimveliso ezingaphantsi ezixutywa nothuthu oluphumayo. Oku kungenxa yeempawu ezahlukileyo ze-cenospheres, ezinje ngokuba lula, ukuhamba kakuhle, ukungangeni kweekhemikhali, ubushushu obuhle, amandla aphezulu okuxinzelela, kunye nokuqhuba ubushushu obuphantsi, okuzivumela ukuba zisetyenziswe kakhulu kwizicelo ezininzi zoshishino. Ii-cenospheres ziye zaba zizinto ezifunwa kakhulu njengesizalisi okanye isongezo kwizicelo ezininzi ezikhethekileyo, njengesamente elula, ii-polymeric composites, ii-automotive brake rotors, kunye nee-differential covers, ii-mullite-coated diesel engine composed, kunye nezicelo zokukhusela kunye nokufunxa amandla nge-electromagnetic. Izicelo ze-cenospheres njengezinto zokwakha zifunyenwe, njenge-composite ye-thermal insulation elula, izinto zokwakha ezithambileyo ezifunxa isandi kunye nesamente eqinisiweyo ye-cenosphere kunye ne-asphalt concrete, kunye nekhonkrithi elula. Kutshanje kuye kwaxelwa ukuba ii-cenospheres zisetyenziswa njengesongezo okanye isizalisi kwi-polymer concrete matrix yokwenza imiqadi edibeneyo kunye nee-composite railroad sleepers. Ngenxa yeempawu zazo ezingqukuva nezingenanto, ii-cenospheres zithembisa kakhulu, zinokumelana okukhulu nokwanda kweentanda.
Uxinano lwee-cenospheres luyahluka ukusuka kwi-0.2 g/cc ukuya kwi-2.6 g/cc. Ukufumaneka kolu hlobo loxinano oluphantsi (Iindlela ezikhoyo zokwahlula i-cenosphere zahlulwe zibe ngamaqela amabini: ukwahlula okumanzi kunye nokwahlula okomileyo. Indlela yokwahlula okumanzi isekelwe kumahluko phakathi koxinano lwee-particles eziqinileyo kunye ne-medium engamanzi: ngale nkqubo, ii-cenospheres zinokufunyanwa kwi-fly ash ngokusebenzisa ukwahlula okuzinzileyo komxhuzulane-indlela yokutyibilika-ukudada. Ukusebenza kakuhle kokwahlula okumanzi kusekelwe ekubutheni kwendalo kwee-cenospheres kwi-medium, uxinano lwee-particles zokutya, i-topology yomphezulu, kunye ne-porosity yee-particles, kunye nemijikelo yokucoca. Nangona kunjalo, ukusebenza kakuhle kunqunyelwe yimpembelelo yobunzima obukhulu bomlotha we-fly, othintela ii-particles ukuba zikhaphukhaphu kunamanzi ekubalekeni kwi-agglomeration, nto leyo ethintela ukunyuka kwee-particles ezikhaphukhaphu kumphezulu. Inzuzo yendlela yokwahlula okumanzi kukukwazi ukufumana ii-cenospheres ezixineneyo nezingenaxinzelelo ngqo kwinkqubo yokwahlula: nangona kunjalo, ukufumaneka komhlaba namanzi yingxaki enkulu kwimveliso enkulu. Enye ingxaki ngumba wokunyibilika kwezinto ezinobungozi kwimithombo yamanzi. Enye ingxaki yimfuno yenyathelo elongezelelweyo lokomisa ngaphambi kokusetyenziswa ngakumbi. Ngokuphathelele umgangatho wezinto (ingakumbi iklasi C fly ash enomxholo ophezulu we-calcium), iikristale zenziwa kumphezulu wee-particles zize ziqine kwisigaba sokomisa, nto leyo ethintela ukusetyenziswa kwazo kwezinye iinkqubo. Ukwahlulwahlulwa okomileyo yindlela eyahlukileyo ejolise ekusombululeni iingxaki zokwahlulwahlulwa okumanzi. Ngale ndlela, ukwakheka kweekhemikhali kuhlala kungatshintshi. Ukongeza, akukho sigaba sokomisa esifunekayo, ngaloo ndlela kuthintelwa imiba yokusetyenziswa kwamandla: nangona kunjalo, le ndlela ifuna ubuchwepheshe obuphambili obubandakanya ukwahlulwahlulwa kwe-pneumatic, njengohlobo lomoya, ukuze kuhlulwe ngokufanelekileyo ii-particles. Ukwahlulwahlulwa komoya ngumsebenzi owahlula ii-particles eziqinileyo ezisasazekileyo ngokusekelwe kumahluko azo ngobukhulu, imo yejometri, kunye noxinano kumsinga womoya.
Ixesha leposi: Februwari-27-2023