The insulation material application in furnace of high temperature kiln is getting accept rice more and more attention. These material have superior heat preservation performance and thermal stability, can reduce the hot loss of furnace of high temperature kiln effectively, raise the sources of energy to use efficiency. It is accept rice below insulation material uses medium a few fields in furnace of high temperature kiln:
Accept rice enrages gel: Gel of accept rice gas is a kind of porous material that constitutes by accept rice grain, have low thermal conductance and character of high table area. In furnace of high temperature kiln, gel of accept rice gas can serve as thermal insulation or coating application, reduce quantity of heat to conduct with radiation loss, improve the heat preservation performance of kiln furnace.
Grain of accept rice pottery and porcelain: Grain of accept rice pottery and porcelain can form a covering layer in kiln furnace interior, reduce heat radiation and heat to conduct. These accept rice grain can resist of high temperature atmosphere and chemical material corrode, provide favorable heat preservation result, prolong the service life of kiln furnace.
Accept rice composite material: Arrive through embedding accept rice grain in traditional insulation material, can obtain accept rice composite material, have inferior thermal conductance and superior heat preservation performance. These material can be used at body of the thermal insulation of kiln furnace, brick or coating, reduce hot loss, raise the sources of energy to use efficiency.
Accept rice coating: Use the superior performance of accept rice material, can coating of preparation accept rice, use at kiln furnace in-house or external heat preservation. Accept rice coating can reduce heat radiation and heat to conduct, improve the thermal efficiency of kiln furnace, reduce the waste of heat energy.
Those who need an attention is, using accept rice when insulation material, need to consider the following factor:
The thermal stability of material and corrosion resistance: Insulation material should have accept rice good thermal stability, can bear the hot loop below high temperature condition and chemical environment. In the meantime, amiable atmosphere has the chemical material that should ensure data exists to the likelihood inside kiln furnace good corrosion resistance.
Construction and applied method: Accept rice insulation material is in rice of insulation material accept the application of furnace of high temperature kiln is a relatively novel domain, but had shown latent capacity and wide perspective. It is accept rice below a few considerations that insulation material uses a field mediumly in furnace of high temperature kiln:
Superior adiabatic performance: Insulation material has accept rice the character of distinctive micromechanism and accept rice measure, can reduce heat effectively to conduct. This makes accept rice insulation material has good adiabatic performance in furnace of high temperature kiln, reduce caloric to conduct with be lost, improve thermal efficiency.
Exceed low coefficient of thermal conductivity: Accept rice the coefficient of thermal conductivity of insulation material normally far the insulation material under the tradition, if accept rice enrages gel and Namiduo,Kong Cai expects. This kind exceeds function of low heat conduction to make the good choice that insulation material makes accept rice apply in furnace of high temperature kiln, reduce caloric effectively to conduct a loss.
Ultrathin heat-insulation layer: Because insulation material has accept rice,very small particle size is mixed accumulate high than the surface, can preparation gives very thin heat-insulation layer. Such ultrathin heat-insulation layer reduced interior to kiln furnace space not only take up, still can provide favorable heat preservation result.
High temperature resistant function: The need in furnace of high temperature kiln is able to bear or endure suffer very high temperature, insulation material need has accept rice exceedingly good high temperature resistant function. Material of rice of a few accept, alumina of the rice that be like accept and canal of carbolic accept rice, have good high temperature stability, property of its heat insulation can hold below high temperature environment.
Fight chemistry to erode performance: The likelihood inside furnace of high temperature kiln is put in caustic gas and chemical material, insulation material need has accept rice the character that fights chemistry to erode. Choose right accept rice stuff, combinative appearance is decorated and include the method such as Fu, can raise accept rice the corrosion resistance of insulation material can.
Although insulation material is in accept rice,high temperature has a lot of potential advantages in kiln furnace, but its application still is in research and development phase. In applying actually, need to study accept rice further the stability of insulation material, wear, cost effectiveness and the problem that wait for a respect with the comparison of traditional insulation material. In addition, the choice of insulation material and design need proper accept rice to ask to undertake assessment mixing with craft condition according to specific kiln furnace test and verify.
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