ʻO ka nui o ka nui o nā mea calcium silicate ma kahi o 100-2000kg / m3.Kūpono nā huahana māmā no ka hoʻohana ʻana ma ke ʻano he insulation a hoʻopiha i nā mea;ʻO nā huahana me ka haʻahaʻa haʻahaʻa (400-1000kg / m3) i hoʻohana nui ʻia e like me nā mea pā a me nā mea uhi refractory;ʻO nā huahana me ka nui o 1000kg / m3 a ma luna e hoʻohana nui ʻia e like me nā mea pā, Hoʻohana i nā mea lepo a i ʻole nā mea insulating.ʻO ka conductivity thermal e hilinaʻi nui ʻia i ka density o ka huahana, a hoʻonui ia me ka piʻi ʻana o ka mahana ambient.He maikaʻi ke kūpaʻa wela a me ke kūpaʻa wela, a me ke kūpaʻa ahi maikaʻi.He mea ʻaʻole hiki ke puhi ʻia (GB 8624-1997) a ʻaʻole e hoʻopuka i ke kinoea ʻawaʻawa a i ʻole ka uahi ma nā wela kiʻekiʻe.I nā hana kūkulu, hoʻohana nui ʻia ka calcium silicate ma ke ʻano he mea uhi uhi refractory no nā kaola kila, kolamu a me nā paia.Hiki ke hoʻohana ʻia ka papa refractory calcium silicate e like me ka ʻili o ka pā, ke kau ʻia o ke kaupaku a me nā mea hoʻonaninani o loko a me waho i nā hale maʻamau, nā hale hana a me nā hale ʻē aʻe a me nā hale lalo me nā koi ahi.
ʻO ka microporous calcium silicate kahi ʻano insulation thermal i hana ʻia i nā mea siliceous, nā mea calcium, nā mea i hoʻoikaika ʻia i ka fiber inorganic a me ka nui o ka wai ma hope o ka hui ʻana, hoʻomehana, gelation, molding, autoclave curing, maloʻo a me nā kaʻina hana ʻē aʻe.ʻO nā mea insulation, ʻo kāna mea nui ka hydrated silicic acid a me ka calcium.Wahi a nā huahana hydration like ʻole o ka huahana, hiki ke hoʻokaʻawale ʻia i ke ʻano tobe mullite a me ke ʻano xonotlite.Ma muli o nā ʻano mea like ʻole, ka hui ʻana i nā ratios a me nā kūlana hana i hoʻohana ʻia i loko o ia mau mea, ʻokoʻa nā ʻano kino a me nā kemika o ka calcium silicate hydrate i hana ʻia.
ʻElua mau ʻano like ʻole o nā huahana kristal derivation silicon i hoʻohana ʻia e like me nā mea insulation.ʻO kekahi ʻano torbe mullite, ʻo kāna mea nui ʻo 5Ca0.6Si02.5H2 0, ʻo 650 ℃ ka mahana wela-pale;ʻO ka ʻano ʻē aʻe he xonotlite, ʻo kāna mea nui ʻo 6Ca0.6Si02.H20, pale wela Hiki ke kiʻekiʻe e like me 1000°C.
Loaʻa ka microporous calcium silicate insulation material i nā pono o ka māmā bulk density, ka ikaika kiʻekiʻe, ka haʻahaʻa haʻahaʻa haʻahaʻa, ka wela hoʻohana kiʻekiʻe, a me ke kūpaʻa ahi maikaʻi.He ʻano mea hoʻokaʻawale wela me ka hana ʻoi aku ka maikaʻi.ʻO ia kekahi o nā mea i hoʻohana nui ʻia i ka thermal insulation i nā ʻoihana ma waho, a he nui nā huahana i hana ʻia a hoʻohana ʻia ma Kina.
ʻO nā mea silica he mau mea me ka silicon dioxide ka mea nui, hiki ke hana me ka calcium hydroxide ma lalo o kekahi mau kūlana e hana i kahi cementitious i haku nui ʻia me ka calcium silicate hydrate;ʻO nā mea calcium he mau mea me ka calcium oxide ka mea nui.Ma hope o ka hydration, hiki iā ia ke hana me ka silica e hana i kahi silicate calcium hydrated nui.I ka hana ʻana i nā mea insulation calcium silicate microporous, hoʻohana maʻamau nā mea siliceous i ka honua diatomaceous, hiki ke hoʻohana ʻia ka pauka quartz maikaʻi loa, a hiki ke hoʻohana ʻia ka bentonite;ke hoʻohana maʻamau ka calcium maka i ka lime slurry a me ka slaked lime i ʻeli ʻia e ka puʻupuʻu lime.Hoʻohana mau ʻia nā fiber asbestos e like me nā fibers hoʻoikaika.I nā makahiki i hala iho nei, ua hoʻohana ʻia nā fibers ʻē aʻe e like me ke aniani kūpaʻa alkali a me nā fibers sulfuric acid (e like me nā pepa pepa) no ka hoʻoikaika ʻana;ʻO nā mea hoʻohui nui i hoʻohana ʻia i ke kaʻina hana he wai: aniani, soda lehu, alumini sulfate a pēlā aku.
ʻO ka lākiō mea maka no ka hana ʻana i ka calcium silicate ka mea maʻamau: CaO/Si02=O.8-1.ʻO, hoʻoikaika i nā fibers helu no 3% -15% o ka nui o ka nui o ke silikoni a me nā mea calcium, nā mea hoʻohui no 5% -lo y6, a me ka wai 550% -850%.I ka hana ʻana i ka mea hoʻokaʻawale ʻana o ka calcium silicate microporous ʻano mullite-type me kahi mahana wela ʻole o 650 ℃, ʻo ke kaomi mahu i hoʻohana maʻamau ʻia he o.8 ~ 1.1MPa, ʻo ka lumi paʻa he 10h.I ka hana ʻana i nā huahana calcium silicate microporous microporous ʻano xonotlite me kahi mahana wela o 1000 ° C, pono e koho ʻia nā mea maka me ka maʻemaʻe kiʻekiʻe e hana i CaO/Si02 =1.ʻO, hiki ke kaomi mahu i 1.5MPa, a hiki i ka manawa paʻa ma mua o 20h, a laila hiki ke hoʻokumu ʻia nā xonotlite-type calcium silicate hydrate crystals.
ʻO nā hiʻohiʻona o ka papa calcium silicate a me ka laulā noi
Loaʻa ka microporous calcium silicate thermal insulation material i kēia mau hiʻohiʻona: ʻoi aku ka kiʻekiʻe o ka hoʻohana ʻana, a hiki i ka mahana hoʻohana ke hiki i 650 ° C (I type) a i ʻole 1000 ° C (type II) i kēlā me kēia;② ʻO nā mea maka i hoʻohana ʻia ʻo ia nā mea a pau He mea inorganic ʻaʻole e wela, a no ka papa A mea hiki ʻole ke puhi ʻia (GB 8624-1997).ʻAʻole ia e hoʻopuka i ke kinoea ʻawaʻawa i ka wā e hiki mai ana ke ahi, he mea maikaʻi loa ia i ka palekana ahi;③Ka haʻahaʻa haʻahaʻa wela a me ka hopena insulation maikaʻi ④Low bulk density, ikaika kiʻekiʻe, maʻalahi e hana, hiki ke ʻoki ʻia a ʻokiʻoki, kūpono no ke kūkulu ʻana ma ka pūnaewele;⑤ ʻAʻohe wai maikaʻi, ʻaʻohe decomposition a pōʻino i ka wai wela;⑥ʻAʻole maʻalahi ka makahiki, lōʻihi ke ola lawelawe;⑦ Hoʻomoʻa iā ia i loko o ka wai, ʻaʻole kū ʻole a nāwaliwali ka hopena wai, no laila ʻaʻole ia e ʻino i nā mea hana a i ʻole nā pipeline;⑧He maʻalahi ka loaʻa ʻana o nā mea maka a he maʻalahi ke kumukūʻai.
No ka mea ʻo ka microporous calcium silicate material ka mea i ʻōlelo ʻia ma luna nei, ʻoi aku ka maikaʻi o ka insulation wela, ka pale ʻana i ka mahana, non-combustibility, a ʻaʻohe hoʻokuʻu kinoea ʻona, ua hoʻohana nui ʻia i ke kūkulu ʻana i nā papahana pale ahi.I kēia manawa, ua hoʻohana nui ʻia i nā ʻoihana like ʻole e like me ka metallurgy, ka ʻoihana kemika, ka mana uila, ka hana moku, ke kūkulu ʻana, a me nā mea ʻē aʻe. hana.
Ka manawa hoʻouna: Dec-02-2021
