Characteristic of firebrick of light qualitative heat preservation and adiabatic brick produce craft introduction

The characteristic of firebrick and heat preservation brick is different. the function with respect to firebrick and adiabatic brick, we can think firebrick is to be aimed at for certain fireproof, and adiabatic brick pays attention to heat proof quality more. And more specific we still understand from the parameter below. Recommend heat preservation sex, the coefficient of thermal conductivity of heat preservation brick is in commonly 0.2-0.4(average temperature 25 ℃ of 350 ± ) W/m.k, and the coefficient of thermal conductivity of firebrick is in commonly 1.0(average temperature 25 ℃ of 350 ± ) W/m.k above, it is good to can reach the heat preservation sex of heat preservation brick compares firebrick much. The fireproof sex of brick of fireproof heat preservation is in 1400 degrees commonly the following, the fireproof sex of firebrick is in 1400 degrees of above. Brick of density heat preservation is light qualitative insulation material commonly, density is 0.8-1.0g/cm3 commonly, firebrick density is in basically 2.0g/cm3 above.
The main function of heat preservation brick is heat preservation, reduce loss of quantity of heat. What firebrick basically uses at blaze is roast. Heat preservation brick does not contact blaze directly commonly, firebrick contacts blaze directly commonly. No matter be firebrick or heat preservation brick, have oneself advantage, different position can use different data.
The firebrick of manufacturing technology heat preservation of adiabatic firebrick has acid-proof alkaline atmosphere, fight fulfiling one's promise ability performance of strong, heatproof shake is good wait for a characteristic. Manufacture those who introduce firebrick of alumina heat preservation technology now. As follows: 1. Raw material and additive. It is main raw material with alumina of electric frit corundum, agglomeration, industry alumina, it is agglomeration additive with polystyrene ball, silica or other data are bulk stabilizing agent, normal temperature high temperature is united in wedlock, additive is bond. 2, burden, mix and shape. Burden changes function requirement according to the bulk density of the product and its manage, decide the accretion of all sorts of material is measured. Mix those who train machine or slip mixer to be: into makings order? Yan uncovers Xia Liang of Min of branny paper of  of formic ┣ Jie to retreat dysentery of glow of Min of  of  of   Xie 3 still R of Yun of irritated Ji of  of appearance of canister take along sth to sb child Su Pu blinks  ash to bump into Shang Wei of  of Xi of angry of У of Ze of courtyard of    to push Lu  , next liquefacient, vaporization and oxidation disappear, the Peng before most manufacturer is being produced turns polystyrene ball, because this is dry temperature do not answer exorbitant or previous, dry the adobe after should remain. Yu moisture asks to be in 2% the following. Kiln uses side code, firing when the change that microtherm phase should note to burn lost property volume, change index to decide high fever becomes temperature according to product volume density and manage, be in commonly 1600 ℃ above, more firing than compact firebrick the system is fast.
The utility of light qualitative firebrick and characteristic build the loss of accumulation of heat in the process and heat loss due to radiation of surface of body of heater to reduce build by laying bricks or stones of industrial kiln furnace, kiln furnace is outer all use light qualitative firebrick to make heat-insulation layer, general light qualitative firebrick has density small, hole leads tall, thermal conductivity function of small, heat preservation intensity of good, compression is advanced characteristic, light qualitative firebrick regards structure of body of heater as material, but managing specific fuel consumption; In the meantime, because kiln furnace can warm up quickly,cool, can raise equipment to manufacture efficiency; Also can reduce weight of body of heater, simplify kiln furnace structure, improve product quality, drop environmental temperature, improve operating mode.
Those who need special attention is, porosity of light qualitative firebrick is big, the organization is loose, cannot contact directly slaggy with liquid metal; Mechanical intensity is low, cannot use at bearinging structure; Wearability is poor, do not suit to contact charging, wear away serious place. Light qualitative firebrick presses raw material composition and bulk density classification commonly; Same kind of light simple fireproof stuff can divide for 0.8, 1, 1.2 etc. Light qualitative brick still includes alumina hollow ball brick, light qualitative silica brick, get together brick of heat preservation of light tall aluminium, Mo Laishi.