Lethathamo la boholo ba thepa ea silicate ea calcium e ka ba 100-2000kg/m3.Lihlahisoa tse bobebe li loketse ho sebelisoa e le lisebelisoa tsa ho kenya kapa ho tlatsa;lihlahisoa tse nang le boima bo bohareng (400-1000kg/m3) li sebelisoa haholo-holo e le lisebelisoa tsa marako le lisebelisoa tsa ho roala;lihlahisoa tse nang le boima ba 1000kg / m3 le ka holimo li sebelisoa haholo-holo e le lisebelisoa tsa marako, Tšebeliso ea thepa ea fatše kapa thepa ea ho sireletsa.The mogote conductivity haholo-holo itšetlehile ka segokanyipalo sa sehlahisoa, 'me e eketseha ka ho phahama ha mocheso ambient.Lisebelisoa tsa calcium silicate li na le ho hanyetsa mocheso o motle le botsitso ba mocheso, le ho hanyetsa mollo o motle.Ke thepa e sa cheng (GB 8624-1997) 'me e ke ke ea hlahisa khase e chefo kapa mosi esita le mocheso o phahameng.Merero ea kaho, silicate ea khalsiamo e sebelisoa haholo e le sekoaelo sa tšepe bakeng sa maballo a sebopeho sa tšepe, litšiea le marako.Calcium silicate refractory board e ka sebelisoa e le holim'a lerako, siling e emisitsoeng le lisebelisoa tsa mokhabiso tse ka hare le tsa ka ntle matlong a tloaelehileng, lifeme le meaho e meng le meaho e ka tlas'a lefatše e nang le litlhoko tsa bopaki ba mollo.
Microporous calcium silicate ke mofuta oa ho kenya mocheso o entsoeng ka thepa ea siliceous, lisebelisoa tsa k'halsiamo, lisebelisoa tsa inorganic fiber tse matlafalitsoeng le metsi a mangata ka mor'a ho kopanya, ho futhumatsa, gelation, ho bōpa, ho phekola autoclave, ho omisa le mekhoa e meng.Lisebelisoa tsa insulation, karolo ea eona e kholo ke hydrated sililic acid le calcium.Ho ea ka lihlahisoa tse fapaneng tsa hydration tsa sehlahisoa, hangata e ka aroloa ka mofuta oa tobe mullite le mofuta oa xonotlite.Ka lebaka la mefuta e sa tšoaneng ea lihlahisoa tse tala, ho kopanya likarolo le maemo a ts'ebetso a sebelisoang ho tsona, thepa ea 'mele le ea lik'hemik'hale ea calcium silicate hydrate e hlahisoang le eona e fapane.
Haholo-holo ho na le mefuta e 'meli e fapaneng ea lihlahisoa tsa silicon derivation crystal tse sebelisoang e le lisebelisoa tsa ho kenya letsoho.E 'ngoe ke mofuta oa torbe mullite, karolo ea eona e kholo ke 5Ca0.6Si02.5H2 0, mocheso o hananang le mocheso ke 650 ℃;e 'ngoe ke mofuta oa xonotlite, karolo ea eona e kholo ke 6Ca0.6Si02.H20, e hana mocheso Mocheso o ka ba holimo ho 1000°C.
Microporous calcium silicate insulation material e na le melemo ea khanya e ngata, matla a phahameng, conductivity e tlaase ea mocheso, mocheso o phahameng oa tšebeliso, le ho hanyetsa mollo o motle.Ke mofuta oa li-block heat insulation material tse nang le ts'ebetso e ntle.Ke e 'ngoe ea lisebelisoa tse sebelisoang ka ho fetesisa tsa ho kenya mocheso liindastering kantle ho naha,' me palo e kholo ea lihlahisoa e hlahisoa le ho sebelisoa Chaena.
Lisebelisoa tsa silika ke lisebelisoa tse nang le silicon dioxide e le karolo e ka sehloohong, e ka sebetsanang le calcium hydroxide tlas'a maemo a itseng ho theha cementitious haholo-holo e entsoeng ka calcium silicate hydrate;lisebelisoa tsa calcium ke lisebelisoa tse nang le calcium oxide e le karolo ea mantlha.Ka mor'a hydration, e ka itšoara ka silika ho etsa cementitious haholo-holo hydrated calcium silicate.Ha ho etsoa lisebelisoa tsa ho kenya li-calcium silicate tse nyenyane, lihlahisoa tse tala tsa siliceous hangata li sebelisa lefatše la diatomaceous, phofo e ntle haholo ea quartz e ka boela ea sebelisoa, 'me bentonite e ka boela ea sebelisoa;lisebelisoa tse tala tsa k'halsiamo ka kakaretso li sebelisa lime slurry le slaked lime tse chekiloeng ke lump lime Powder kapa lime paste, litšila tsa indasteri tse kang calcium carbide slag, joalo-joalo li ka boela tsa sebelisoa;likhoele tsa asbestos hangata li sebelisoa e le likhoele tse matlafatsang.Lilemong tsa morao tjena, likhoele tse ling tse kang likhoele tsa khalase tse hananang le alkali le organic sulfuric acid fibers (joalo ka likhoele tsa pampiri) li 'nile tsa sebelisoa bakeng sa ho matlafatsa;Lisebelisoa tse ka sehloohong tse sebelisoang ts'ebetsong ke metsi: khalase, molora oa soda, aluminium sulfate joalo-joalo.
Karolelano ea thepa e tala bakeng sa tlhahiso ea silicate ea khalsiamo ka kakaretso ke: CaO/Si02=O.8-1.O, li-fibers tse matlafatsang li etsa 3% -15% ea kakaretso ea lisebelisoa tsa silicon le calcium, li-additives li etsa 5% -lo y6, le metsi 550% -850%.Ha ho etsoa thepa e kenang ea mofuta oa tobe mullite microporous calcium silicate e nang le mocheso o hananang le mocheso oa 650 ℃, khatello ea mouoane eo hangata e sebelisoang ke o.8 ~ 1.1MPa, kamore ea ho ts'oara ke 10h.Ha ho etsoa lihlahisoa tsa xonotlite-type microporous calcium silicate tse nang le mocheso o thibelang mocheso oa 1000 ° C, lisebelisoa tse tala tse nang le bohloeki bo phahameng li lokela ho khethoa ho etsa CaO/Si02 =1.O, khatello ea mouoane e fihla ho 1.5MPa, 'me nako ea ho ts'oara e fihla ho feta 20h, joale ho ka thehoa likristale tsa xonotlite-mofuta oa calcium silicate hydrate.
Litšobotsi tsa boto ea calcium silicate le mefuta ea ts'ebeliso
Microporous calcium silicate thermal insulation material haholo-holo e na le litšobotsi tse latelang: mocheso oa tšebeliso o phahame, 'me mocheso oa tšebeliso o ka fihla ho 650 ° C (I type) kapa 1000 ° C (mofuta oa II) ka ho latellana;②Lisebelisuoa tse tala tse sebelisoang ha e le hantle ke ntho e sa cheng, 'me ke ea thepa e sa cheng ea Sehlopha sa A (GB 8624-1997).E ke ke ea hlahisa khase e chefo esita le ha mollo o hlaha, o leng molemo haholo bakeng sa tšireletso ea mollo;③Motlakase o tlase oa mocheso le phello e ntle ea ho kenya ④Bongata bo tlase bo bongata, matla a phahameng, bo bonolo ho sebetsa, bo ka sehoa le ho sehoa, bo loketseng ho aha setšeng;⑤Ho hanyetsa metsi hantle, ha ho na ho bola le ho senyeha ha metsi a chesang;⑥Ha ho bonolo ho tsofala, bophelo bo bolelele ba ts'ebeletso;⑦ E kolobise ka har'a Ha e le ka metsing, motsoako oa metsi ha o nke lehlakore kapa ha o na alkaline e fokolang, kahoo e ke ke ea senya lisebelisoa kapa liphaephe;⑧ Thepa e fumaneha habonolo mme theko e tlase.
Hobane thepa ea microporous calcium silicate e na le litšobotsi tse boletsoeng ka holimo, haholo-holo mocheso oa eona o hlahelletseng oa mocheso, ho hanyetsa mocheso, ho se chese, 'me ha ho na khase e chefo, e' nile ea sebelisoa haholo ho haha merero ea tšireletso ea mollo.Hona joale, e 'nile ea sebelisoa haholo liindastering tse sa tšoaneng tse kang metallurgy, indasteri ea lik'hemik'hale, matla a motlakase, ho haha likepe, kaho, joalo-joalo E sebelisoa e le thepa ea ho kenya mocheso ka lisebelisoa tse sa tšoaneng, liphaephe le lisebelisoa, hape e na le tšireletso ea mollo. tshebetso.
Nako ea poso: Dec-02-2021
