It is OK to high temperature liner uses heat preservation brick only or use firebrick only?

 Majority of high temperature liner uses mutiple level fireproof material composition, working layer uses firebrick, adiabatic layer uses adiabatic brick, heat-insulation layer uses heat preservation brick, if use heat preservation brick or firebrick only, can illuminate into not durable or heat energy is serious prediction of a person's luck in a given year, do not accord with requirement of managing the sources of energy, environmental protection.


 It is OK to high temperature liner uses heat preservation brick only or use firebrick only? Heat preservation brick and firebrick are kiln furnace is mixed the commonly used fireproof material in all sorts of high temperature equipment and insulation material, although be bricky body,be able to bear or endure material, but function and make give out to differ completely.
 The effect with heat preservation main brick is to use heat preservation, reduce caloric prediction of a person's luck in a given year, heat preservation brick won't contact blaze directly commonly, and firebrick contacts blaze directly commonly. Firebrick basically is to use the broil that experiences flare-up to bake. General component is two kinds, do not finalize the design namely fireproof material and finalize the design fireproof material.
: of heat preservation function? Male of ┑ of N human relations identifies stool  word to tend or guard a gate already ℃ of 350±25 of?.2-0.4(average temperature) W/m.k, and the coefficient of thermal conductivity of firebrick is in ℃ of 350±25 of 1.0(average temperature) W/m.k above, many the heat preservation performance that can reach the heat preservation function of heat preservation brick wants to compare firebrick from this is good.
High temperature liner is built by a variety of fireproof material build by laying bricks or stones and become, if high temperature liner uses heat preservation only brick or it is OK to use firebrick only? Be no good of course, current high temperature equipment with managing decrease a platoon to be oriented, effect of heat preservation heat insolation is better, more managing, come down one year to be able to reduce many fuel cost.
Brick of light qualitative heat preservation is in firebrick the person is added in making after certain and special material firing. Its porosity is one times taller than common firebrick, firebrick density compares coessential firebrick small 0.5—7 times. Coefficient of thermal conductivity is small, because this can use the thermal insulation that serves as furnace or liner, in order to reduce hot loss; To the furnace that intermittent type works, boiler setting accumulation of heat and heat loss due to radiation can decrease 80% .
 Brick of light qualitative heat preservation uses material to differ character by place, basically have brick of light qualitative clay, light qualitative tall aluminous brick, light qualitative silica brick. The production methods of light qualitative firebrick basically has 3 kinds: (1) can light accretion way, it is easy to join wood chip or anxious pink and so on in burden namely the combustible of burn-up, when the brick firing burn-up of the combustible in the process, leave a large number of hole inside the brick. This is commonly used method; (2) bubble law, add person colophony black to wait for blowing agent in burden namely, next firing and poriferous goods; (3) chemical law, some kind of substance is added in burden, can produce bubbly chemical reaction. For example dolomite or square magnesian stone add gesso, with rare vitriolic make foaming agent, generation is many from, instantly mould shapes, dry hind firing.
 Of the firebrick with brick of light qualitative heat preservation and general and same qualitative capable person fireproof degree differ not quite, loading softening point criterion slightly low. If light qualitative brick is long-term when be used below high temperature, can continue agglomeration break systole, cause crackle to be destroyed even. So majority pledges the brick has the problem of a high use temperature gently, if pledge gently argillaceous brick is tall have 1150 ℃ only, light qualitative tall aluminous brick uses temperature not to exceed 1350 ℃ , pledge Mo Laishi brick uses temperature not to exceed 1500 ℃ gently, light qualitative silica brick can amount to 1600 ℃ . The problem with because light qualitative silica brick is nonexistent contractive high temperature, volume is steadier, accordingly can build by laying bricks or stones of in order to builds the liner that enrages a contact with furnace directly.
Is above about " it is OK to high temperature liner uses heat preservation brick only or use firebrick only? " the hope is helped somewhat to everybody, the fireproof material that flourish Cheng Naicai regards major as produces manufacturer to be able to produce the product of fireproof heat preservation of a variety of different types, product type basically undertakes classified from material character with construction means, the line of the products that my factory produces is all ready, OK and contented show level what the place of hot project facilities such as furnace of kiln of all sorts of power plant boiler, industry needs is high temperature resistant requirement, product quality is worth your reliance.