Ubuninzi bezinto eziphathekayo ze-calcium silicate malunga ne-100-2000kg / m3.Iimveliso ezilula zifanelekile ukusetyenziswa njenge-insulation okanye izinto zokuzalisa;iimveliso ezinoxinano oluphakathi (400-1000kg/m3) zisetyenziswa kakhulu njengezinto zodonga kunye nezixhobo zokugquma eziphikisayo;iimveliso ezinobunzima be-1000kg / m3 nangaphezulu zisetyenziswa kakhulu njengezinto zodonga, Ukusetyenziswa kwezinto eziphantsi komhlaba okanye izinto zokukhusela.I-conductivity ye-thermal ikakhulu ixhomekeke kubuninzi bemveliso, kwaye iyanda ngokunyuka kweqondo lokushisa.Izinto ze-calcium silicate zinokumelana kakuhle nobushushu kunye nokuzinza kwe-thermal, kunye nokumelana nomlilo okulungileyo.Yinto engenakutsha (GB 8624-1997) kwaye ayiyi kuvelisa igesi enetyhefu okanye umsi nakwiqondo lokushisa eliphezulu.Kwiiprojekthi zokwakha, i-calcium silicate isetyenziswa ngokubanzi njengento yokugubungela i-refractory yezakhiwo zentsimbi, iintsika kunye neendonga.Ibhodi ye-calcium silicate refractory ingasetyenziswa njengendawo eludongeni, isilingi emisiweyo kunye nezinto zangaphakathi kunye nezangaphandle zokuhombisa kwizindlu eziqhelekileyo, iifektri kunye nezinye izakhiwo kunye nezakhiwo ezingaphantsi komhlaba ezineemfuno zobungqina bomlilo.
I-Microporous calcium silicate luhlobo lwe-thermal insulation eyenziwe ngezinto ze-siliceous, izinto ze-calcium, izinto eziqinisiweyo ze-inorganic fiber kunye nomthamo omkhulu wamanzi emva kokuxuba, ukufudumeza, i-gelation, ukubumba, ukunyanga kwe-autoclave, ukomisa kunye nezinye iinkqubo.I-insulation material, inxalenye yayo ephambili i-hydrated silicic acid kunye ne-calcium.Ngokweemveliso ezahlukeneyo ze-hydration zemveliso, inokuthi yahlulwe ibe yi-tobe mullite kunye nodidi lwe-xonotlite.Ngenxa yeentlobo ezahlukeneyo zezinto eziluhlaza, ukuxuba ukulinganisa kunye neemeko zokucubungula ezisetyenziswa kuzo, iimpawu ezibonakalayo kunye neekhemikhali ze-calcium silicate hydrate eziveliswayo nazo zihluke.
Kukho ubukhulu becala iintlobo ezimbini ezahlukeneyo zeemveliso zekristale eziphuma kwisilicon ezisetyenziswa njengezinto zokugquma.Enye luhlobo lwe-torbe mullite, icandelo layo eliphambili yi-5Ca0.6Si02.5H2 0, ubushushu obuxhathisayo bungama-650℃;enye luhlobo xonotlite, icandelo layo eliphambili 6Ca0.6Si02.H20, ukumelana nobushushu Ubushushu bunokuba phezulu ukuya kutsho ku-1000°C.
I-Microporous calcium silicate insulation material ineenzuzo zokuxinana kobuninzi bokukhanya, amandla aphezulu, ukuhanjiswa kwe-thermal ephantsi, ubushushu bokusetyenziswa okuphezulu, kunye nokumelana nomlilo okulungileyo.Luhlobo lwe-block heat insulation material kunye nokusebenza okungcono.Yenye yezona zinto zisetyenziswa kakhulu kwi-thermal insulation kumashishini aphesheya, kwaye inani elikhulu leemveliso ziveliswa kwaye zisetyenziswe eTshayina.
Izinto ze-silica zizinto ezine-silicon dioxide njengeyona nto iphambili, enokuthi isebenze kunye ne-calcium hydroxide phantsi kweemeko ezithile ukuze zenze i-cementitious ikakhulu iqulethwe nge-calcium silicate hydrate;izinto ze-calcium zizinto ezine-calcium oxide njengeyona nxalenye iphambili.Emva kwe-hydration, inokusabela nge-silica ukwenza i-cementitious ikakhulu i-hydrated calcium silicate.Ekwenzeni i-microporous calcium silicate insulation materials, izinto eziluhlaza ze-siliceous ngokuqhelekileyo zisebenzisa umhlaba we-diatomaceous, i-quartz powder ecocekileyo kakhulu ingasetyenziswa, kunye ne-bentonite nayo ingasetyenziswa;Izixhobo zekhalsiyam ekrwada zisebenzisa i-lime slurry kunye ne-slaked lime etyiswa yi-lump lime Umgubo okanye intlama yekalika, inkunkuma yamashishini efana ne-calcium carbide slag, njl.Iintsinga zeasbestos zisetyenziswa ngokubanzi njengeentsinga zokuqinisa.Kwiminyaka yakutshanje, ezinye iifiber ezifana ne-alkali-resistant glass fibers kunye ne-organic sulfuric acid fibers (ezifana ne-paper fibers) zisetyenziselwe ukuqinisa;Izongezo eziphambili ezisetyenziselwa inkqubo ngamanzi: iglasi, i-soda ash, i-aluminium sulfate kunye nokunye.
Umlinganiselo wezinto ezikrwada zokwenziwa kwe-calcium silicate ngokubanzi: CaO/Si02=O.8-1.O, i-fibers yokuqinisa i-akhawunti ye-3% -15% yexabiso elipheleleyo le-silicon kunye nezixhobo ze-calcium, i-additives akhawunti ye-5% -lo y6, kunye namanzi 550% -850%.Xa uvelisa imathiriyeli ye-tobe mullite-uhlobo lwe-microporous calcium silicate yokugquma enobushushu obumelana nobushushu obuyi-650 ℃, uxinzelelo lomphunga olusetyenziswa ngokubanzi yi-o.8～1.1MPa, igumbi lokubamba yi-10h.Xa uvelisa i-xonotlite-type microporous calcium silicate iimveliso ezinobushushu obungamelana nobushushu be-1000 ° C, izinto eziluhlaza ezinobunyulu obuphezulu kufuneka zikhethwe ukwenza iCaO/Si02 =1.O, uxinzelelo lomphunga lufikelela kwi-1.5MPa, kwaye ixesha lokubamba lifikelela ngaphezu kwe-20h, ngoko ke i-xonotlite-type calcium silicate crystals hydrate ingenziwa.
Iimpawu zebhodi ye-calcium silicate kunye noluhlu lwesicelo
I-Microporous calcium silicate i-thermal insulation material ikakhulu inezi mpawu zilandelayo: ukushisa kokusetyenziswa kuphezulu, kwaye ubushushu bokusetyenziswa bunokufikelela kwi-650 ° C (I type) okanye i-1000 ° C (uhlobo II) ngokulandelanayo;②Izinto ezisetyenzisiweyo ezisetyenzisiweyo ngokusisiseko zonke Ziyinto engabonakaliyo engatshiyo, kwaye yeyeKlasi A yezinto ezingenakutsha (GB 8624-1997).Ayiyi kuvelisa igesi enetyhefu nangona kwenzeka umlilo, oluncedo kakhulu ekukhuseleni umlilo;③I-thermal conductivity ephantsi kunye nesiphumo esihle sokugquma ④Ukuxinana kwezambuku ezisezantsi, amandla aphezulu, kulula ukusetyenzwa, kunokusarha nokusikwa, kukulungele ukwakhiwa kwendawo;⑤Ukuchasana kwamanzi okulungileyo, akukho ukubola kunye nomonakalo kumanzi ashushu;⑥Akulula ukuguga, ubomi benkonzo ende;⑦ Yicwilise Xa isemanzini, isisombululo esinesiphumo se-aqueous asithathi hlangothi okanye sibuthathaka ialkaline, ngoko ke asiyi kugqwalisa izixhobo okanye imibhobho;⑧Imathiriyeli ekrwada kulula ukuyifumana kwaye nexabiso liphantsi.
Ngenxa yokuba i-microporous calcium silicate impahla ineempawu ezikhankanywe ngasentla, ngokukodwa ukutshatyalaliswa kobushushu obubalaseleyo, ukuxhathisa ukushisa, ukungatsha, kunye nokukhutshwa kwegesi enetyhefu, isetyenziswe ngokubanzi ekwakheni iiprojekthi zokukhusela umlilo.Okwangoku, isetyenziswe ngokubanzi kumashishini ahlukeneyo afana nesinyithi, imboni yeekhemikhali, amandla ombane, ukwakhiwa kweenqanawa, ukwakhiwa, njl. umsebenzi.
Ixesha lokuposa: Dec-02-2021
