Float bead the siliceous aluminium that pledges heat preservation brick is with the heat and power plant the floatation in fly ash comes out gently is qualitative glass is hollow bead body. Its body light, wall thin, hollow, surface is slick, high temperature resistant, heat proof quality is good. Use float bead these character, the adiabatic and fireproof material with superior performance of production heat preservation. Float bead brick of light qualitative heat preservation is used at cement rotary kiln, temperature of kiln substance appearance can reduce 100 ℃ , use at furnace of resistor of machinist job heat treatment, but 30 ％ control section report. Bleach bead brick to still can be used at vitreous frit kiln, pour blaze kiln or channel kiln, also can achieve energy-saving goal, use at furnace of box type resistor, rate of integrated section report amounts to 54 ％ .
Making the raw material that does not burn light qualitative brick is fly ash sinks bead, float bead, horniness clay and soft qualitative clay, bond can choose colophony of water glass, vitriolic aluminium, phosphoric acid aluminium, tall aluminous cement, phenolic aldehyde, modified resin to reach its complex matter. Its deserve to fall for instance: Fly ash floats hollowly bead 35〜50% , heavy bead + horniness clay 25〜30% , <15% of soft qualitative clay, compound bond <10% . Be in the raw material that make up mix grind undertake mixing practice inside machine. Order of feed in raw material: Float hollowly bead, heavy bead, horniness clay, soft qualitative clay, bond is added after. Mix experienced 15min, pug moisture control is in 10〜35% . Via stranding makings hind, with 20〜60t the machine that press a brick shapes. Adobe undertakes below 150〜200 ℃ dry, dry it is finished product namely to constant weight. The raw material on in order to deserves to compare what can make bulk density be 1.0g/cm3 not to burn light qualitative brick. Its coefficient of thermal conductivity is 0.36W/ (M.K) , 4.55MPa of intensity of normal temperature compression. In adjusting a recipe according to the requirement, float hollowly bead content from 90〜15% , heavy bead + hard clay content from 0〜60% , can make bulk density come from 0.4g/cm3 of 1.5g/cm3 all sorts of do not burn clay light qualitative brick. The raw material that makes tall aluminous light qualitative brick is product of industrial alumina, Mo Laishi, kaolin, it is combinative clay with Suzhou earth, make with polystyrene spherule burn lost property. Its burden falls for instance: Industry oxidizes 30% , comes stone product 35% , kaolin 15% , suzhou earth 20% , burn lost property 1:1. Stock undertakes mixture in mixer, : of order of feed in raw material? Bi of rare of of of word of of of dysentery of a gathering of things or people of cover of of dysentery of of ひ flute wholesale sets out Yan uncovers ⒏ of Shang Ting of of ＞ of of of aurelian dysentery of Tang of of Jie of formic ┬ ∏ a bit つ of vasting cheese of Qiang Tiao call on censures orangutan sticks mulberry to stick part of the day to show?5000, heat preservation 16h. The dimension that asks according to place makes finished product is namely after treatment.
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