How does heat preservation of kiln furnace liner reduce cost?

March 15, 2024Nov 25, 2024
Heat preservation of kiln lining body becomes good word, can prolong kiln furnace life, also can reduce the prediction of a person's luck in a given year of quantity of heat inside furnace at the same time, managing the sources of energy, reduce the manufacturing cost of the enterprise.


Fireproof insulation material is the floorboard that points to all at preventing to thermal current is delivered and reduce energy losing material using. Because this kind of material basically is used at preventing thermal current to deliver, often be called so insulation material. Use below high temperature condition (more than 10 thousand ℃ ) often be called light simple fireproof stuff. Insulation material can be used at the purpose of heat preservation not only, still can use at guaranteeing cold end.
Fireproof insulation material has bulk density commonly small, hole leads the characteristic with tall, low coefficient of thermal conductivity. For example, exceed the weight with slight aperture calcic silicon acid to only 100~130kg / M3, porosity is as high as 95% above, coefficient of thermal conductivity has 0.035W / only (M · ℃ ) the 1/1000 that is black lead brick about, it is the 1/500 of carborundum brick, it is the 1/100 of general clay brick.
Fireproof insulation material can divide by use temperature for: (Material of 1) low temperature, use temperature under 900 ℃ . Main product has asbestine of diatomite brick, bubble, expand to pledge cotton of vermiculite, mineral wool, cliff, glass cotton, gently the product such as Mo Laishi brick. In recent years, the new product such as coating of cellular glass, siliceous magnesian heat preservation + kind appear. (The Wen Cai in 2) expects, use temperature is 900~1200 ℃ . Basically have diatomite brick, expand brick of pearlite, light qualitative clay, common silicon acid is aluminous fiber and hard silicon calcium calcic product of stone silicon acid. (Material of 3) high temperature, use temperature is more than 1200 ℃ . Main product has product of brick of light qualitative tall aluminous brick, light qualitative corundum, light qualitative magnesia brick, hollow ball, float bead goods, high pure siliceous aluminous fiber. (4) normal temperature heat preservation keeps cold data, normal temperature or under room temperature. Main breed has the organic insulation material such as goods of aerocrete, gesso, expanded plastics. Insulation material can be divided for porous insulation material, fiber insulation material and complex structure insulation material.
The task of construction of common heat preservation of craft of insulation material construction is set according to the design will advocate material of insulation material, consolidate and exterior material combination become heat preservation structure. (1) method of coating heat preservation. In adventitious insulation material (if expand pearlite) in join adhesive and coagulant, join cement agitate by certain part scale even, make plastic mashed vegetable or fruit, daub is on facilities of heat preservation pipeline. Coating heat preservation is a kind of traditional heat preservation structure and craft, easily the bifurcate construction, heat preservation that fills conduit of aperture, equipment to maintain place and system of all irregular heat preservation. (2) colligation heat preservation. Colligation heat preservation is the warming plate that by porous insulation material or mine fine insulation material makes. Canister of envelope, canal or arc piece direct wrap up is on equipment and conduit, exterior use 1.2? 2mm galvanization iron wire secures colligation. Colligation law heat preservation is a kind of heat preservation structure that uses extensively. (3) prefab heat preservation. Heat preservation advocate layer material and outside covering layer all is fixed and plastic products, spot construction needs to be secured by norms perch only. The heat preservation of special device uses structure of prefab heat preservation commonly. (4) fill law heat preservation. Fill law heat preservation is will inattentive mineral fibre material or poriferous grain material direct fill arrives all round equipment and conduit, achieve certain packing. Flange of sealed heat preservation, valve mixes general boiler expand of the section dismountable heat preservation structure all uses fill heat preservation. (5) stickup heat preservation. Stickup heat preservation is to use adhesive heat preservation felt stickup in metal or surface of pottery and porcelain, form heat preservation structure. This method suits the construction of fireproof fiber felt more. (6) spray structure heat preservation. Spray structure heat preservation uses special device to enter in season of organic bubble insulation material heat preservation area, form structure of spray heat preservation. (7) the metal reflexes heat preservation. Metallic reflex heat preservation uses stainless steel refractory steel foil is made multilayer hot screen, space of air of every hot screen makes an appointment with 1.5mm, basically use at reducing radiation and hot to circulating heat preservation construction, apply to vibration and high temperature condition.
How does heat preservation of kiln furnace liner reduce cost? Heat preservation of kiln lining body becomes good word, can prolong kiln furnace life, also can reduce the prediction of a person's luck in a given year of quantity of heat inside furnace at the same time, managing the sources of energy, reduce the manufacturing cost of the enterprise.

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