Leben dahaarka khafiifka ah ee foornada dhalada ah waxaa loo kala saari karaa 6 qaybood iyadoo loo eegayo alaabta ceeriin ee kala duwan. Kuwa ugu badan ee la isticmaalo waa leben silica fudud iyo lebenka diatomite. Lebennada dahaarka khafiifka ah waxay leeyihiin faa'iidooyin waxqabad kuleyl ah oo wanaagsan, laakiin iska caabintooda cadaadiska, caabbinta shoogga, iyo caabbinta kulaylka ayaa liidata, sidaa darteed si toos ah ulama xiriiri karaan muraayadda dhalaalaysa ama ololka.
1. Leben silica oo khafiif ah. Lebenka dahaarka silica-fudud waa sheyga dahaadhka ah ee laga sameeyay silica oo ah alaabta ceeriin ee ugu weyn, oo leh maadada SiO2 oo aan ka yarayn 91%. Cufnaanta lebenka dahaadhka silica ee khafiifka ah waa 0.9 ~ 1.1g/cm3, kulaylkeeduna waa nus ka mid ah lebennada silica caadiga ah. Waxay leedahay iska caabin shoog kulaylka wanaagsan, iyo heerkulkeeda jilicsanaanta ee culeysku wuxuu gaari karaa 1600 ℃, taas oo aad uga sareysa tan lebennada dahaarka dhoobada. Sidaa darteed, heerkulka ugu sarreeya ee shaqada ee lebenka dahaadhka silica wuxuu gaari karaa 1550 ℃. Ma hoos u dhigto heerkulka sare, oo xitaa waxay leedahay ballaarin yar. Leben silica fudud ayaa guud ahaan lagu soo saaraa Quartzite crystalline sida walxo ceeriin ah, iyo walxaha gubanaya sida kookaha, anthracite, balka, iwm. ayaa lagu daraa alaabta ceeriin si ay u sameeyaan qaab-dhismeedka dalool iyo habka gaaska xumbo ayaa sidoo kale loo isticmaali karaa si ay u sameeyaan qaab-dhismeedka dalool.
2. Lebenka Diatomite: Marka la barbar dhigo lebennada kale ee khafiifka ah ee khafiifka ah, lebennada diatomite waxay leeyihiin kororka kulaylka hoose. Heerkulka shaqadu wuxuu ku kala duwan yahay nadiifnimada. Heerkulka shaqadu guud ahaan wuu ka hooseeyaa 1100 ℃ sababtoo ah yaraanta alaabtu waa mid aad u weyn marka loo eego heerkul sare. Alaabta ceeriin ee lebenka diatomite waxay u baahan yihiin in lagu shido heerkul sare, silikoon dioxide waxaa loo rogi karaa quartz. Lime sidoo kale waxaa lagu dari karaa sida binder iyo macdanta si kor loogu qaado beddelka quartz inta lagu jiro rasaas, taas oo faa'iido u leh hagaajinta caabbinta kulaylka ee alaabta iyo yaraynta hoos u dhaca heerkulka sare.
Cadadka soo socda waxaan sii wadi doonaa soo bandhigida kala soocidaleben dahaarka khafiifafoornada dhalada ah. Fadlan la soco!
Waqtiga boostada: Jul-10-2023
