Because Home is right in recent years,career of science and technology and its industry production can develop the height of view to take seriously continuously, equipment of machine of every tall and company of industrial kiln furnace slowly suit appeal, first what the idea of green environmental protection is included to produce manufacturing standard.
Key of the line in kiln furnace depends on of fireproof material choose, the characteristic of brick of light qualitative heat preservation improved efficiency of kiln furnace job further, the production that reduced a company makes capital throw cost to expend. A key that pledges heat preservation brick has turned boarding into fireproof material gently one part. The thermal insulation when reaching the overhaul is built in kiln furnace of brick of light qualitative heat preservation choose crucial.
It is many better that this waits in norms of material of the no more than when picking brick of light qualitative heat preservation, model, physico-chemical performance data of the level omnibus prep according to, probably the most crucial is the particular case that wants oneself of shirt-sleeve kiln furnace. To certain and redundant inconvenience omits when the company is picking brick of light qualitative heat preservation, choose more appropriate goods.
Of the application of brick of light qualitative tall aluminous adiabatic corundum and relevant firebrick should be crucial raw material with aluminous alumina, AL2O3 water content does not reach relevant firebrick under the application of the brick of adiabatic light qualitative corundum of 48% . Its produce technological process to choose expanded plastics magic art, also can choose accretion of burn oneself out law. What tall aluminium makes the application of brick of adiabatic light qualitative corundum and relevant firebrick is usable mix with thermal insulation board of wall of build by laying bricks or stones without apparently tall fused raw material is corroded reach the place that erodes effect. Instantly with flame lay a finger on when, normally of the application that tall aluminium makes adiabatic corundum brick and relevant firebrick of surface layer lay a finger on is spent cannot cross 1350 ℃ high. Mo Laishi pledges the application of adiabatic corundum brick reachs relevant firebrick but instantly flame of lay a finger on, have heat-resisting, compressive strength is high, environmental protection is energy-saving effect is distinct wait for character. Li of line of kiln of path of roller of furnace of applicable hot splitting decomposition, hot-blast stove, china, food cabinet kiln and various resistor furnace.
Of the application of brick of light qualitative tall aluminous adiabatic corundum and relevant firebrick is first what show the adiabatic and fireproof stuff with relatively Utopian phase, have compression experiment compressive strength tall, conduct heat coefficient is low, adiabatic heat preservation character is good, simple the character such as actor price cheap, had applied at china channel kiln, roller path kiln, shuttle type kiln, metope kiln, also raw material of the line in qualitative processing of the furnace of mill of cooking of various hot-blast stove of enterprise of iron and steel of in order to and equipment of machine of its heat insolation, attune, have broad industry perspective.
Another namer of light qualitative tall aluminous brick pledges the application of brick of tall aluminous adiabatic corundum reachs relevant firebrick gently. Ferric oxide water content is mixed by Molaishi in 48% the left and right sides, keys sandwich glass photograph or fireproof and mutual the light qualitative fireproof material that make. The heat-resisting shake character of the application of the brick of corundum of light qualitative tall aluminous heat insolation that fireproof material production makes Zhengzhou and relevant firebrick is good, choose grog of tall aluminous aluminous cement to add grain clay commonly, classics mill is over to produce law or expanded plastics law to be irrigated with means of artesian well slop with steam system build, shape, via 1300——1500 ℃ fire. Also can produce ferric oxide to replace grog of cement of one part alumina with industry occasionally. Li of line of furnace of kiln of wall of build by laying bricks or stones of in order to and thermal insulation board, reach its to fuse without apparently tall raw material is corroded reach the place that erodes effect. Instantly with flame lay a finger on when, of surface layer lay a finger on is spent cannot cross 1350 ℃ high.
The ministry fastening of the application of brick of light qualitative adiabatic corundum and relevant firebrick is had for porous material conduct heat to finalize the design characteristicly of the application of brick of small adiabatic corundum and relevant firebrick, amid is made with the production of bricky form handicraft and apply more general, reason calls the application of brick of light qualitative adiabatic corundum and relevant firebrick again. What pledge the application of adiabatic corundum brick reachs relevant firebrick gently is general by its material or production make commonly used raw material begin classify and name. For instance, what make the application that waits for raw material to produce brick of manufacturing light qualitative corundum and relevant firebrick with tall aluminium character with clay, silicon is respective say pledge gently to pledge silica brick is mixed brick of light qualitative clay, gently tall aluminous brick. Of the application that the commonly used raw material that below listed the application that makes brick of light qualitative corundum by production and relevant firebrick and component listed brick of light qualitative adiabatic corundum and relevant firebrick type and character.
The production of brick of light qualitative heat preservation makes means have the following kinds normally:
① pledges from simple natural and poriferous structure Yuan Yan cuts a brick gently instantly;
② with pure natural or artificial synthesis poriferous structure pledges raw material makes a brick for raw material gently;
③ adds the tinderbox of easy burn down in pug, be like chaff of natural bamboo pink, carbonization, polyethylene light ball; Or add litre turn chemical material, be like naphthalene, the burn oneself out, generation after evaporating is poriferous material;
④ adds epispastic glue in pug, be like loose soap, fire hind gets poriferous data;
⑤ adds carbonate, alumina in pug pink and vitriolic, support exothermic reaction releases steam form and produce porous material. Normally the circumstance falls, choose ④ of ② ～ to plant means is more.
One. Material of brick of light qualitative heat preservation
(1) brick of light qualitative clay: Vest in of brick of light qualitative clay gives air hole kind heat-insulating material of light qualitative heat preservation, al2O3 water content is in 30%-46% . Mix with fireproof clay or grog of light qualitative cement but model clay is crucial raw material.
(2) tall aluminium gets together light brick: Tall aluminium gets together bricks of 1 light brick is product of series of light qualitative tall aluminous brick new-style adiabatic heat preservation, the key chooses grog of tall aluminous cement and tall purity clay, add with polystyrene cricket fill, classics fire lights ashes make it.
(3) ferric oxide is hollow ball brick: Alumina pink is to use high quality industry to produce ferric oxide to be raw material, choose new-style the production of calcination treatment craft that tall pours blaze kiln and scientific research is made, clarity of classification of artificial service delectus, grade, contain residual little, changeover leads tall, washing shrinkage smooth, integrality is good.
(4) brick of heat preservation of light qualitative Mo Laishi: It is makings of high quality grain of material of tall purity fire prevention, set scale by handicraft, add organic chemistry compound model inserts, via vavuum pump extruding is machined, the handicraft of light qualitative Mo Laishi that tall to calcine generates.
(5) coating pledges gently heat preservation brick (adiabatic brick) : This commodity is stuck with broken bits of high quality coating, wood and tall receive an agent to be crucial raw material, classics mix up, squeeze base figuration, do the to calcine after impetuous and become.
2. Physico-chemical performance data
(1) brick of light qualitative clay: Its character character applies according to in the adiabatic phase of industrial kiln furnace normally, can reduce furnace kiln to heat up a canal to come loose heat is damaged, managing the sources of energy is expended, and the quality that delay reduces adiabatic machine equipment. Occasionally also in order to did not suffer tall the line in fused raw material and the kiln furnace that corrode combustible to pledge place is corroded. of the biggest application is spent in 1200 ～ 1500 ℃ . The concussion tenacity of brick of light qualitative clay, fight abrasiveness and sex of the adhere that fight broken bits weaker, do not agree with the carring capacity of kiln furnace constructs and instantly lay a finger on is flotsam of slaggy, melt down, fused the position such as metallic stuff.
(2) tall aluminium gets together light brick: Have raw material pure degree of tall, hole is tectonic and well-balanced, small conduct heat rate, low fever look, compressive strength is high, norms precision colleges and universities is characteristic. Tall aluminium gets together tall aluminium of light brick another namer gets together light ball brick, have compression experiment compressive strength is high, thermal shock dependability is good, can reduce the thermal conductance of boiler setting, promote kiln the hot effect of furnace.
(3) ferric oxide is hollow ball brick: It is this kind of new-style high temperature heat-insulating material, of the biggest application spends 1800 ℃ , handicraft concussion tenacity is tall, to pledge gently normally the multiple of handicraft, and 2 minutes when cubage is fireproof handicraft only relative to density 1. Hollow ball brick applies ferric oxide to produce furnace of kiln of the tall such as electric induction furnace of intermediate frequency of reaction furnace, iron and steel industry, pasteurize to go up at industry of furnace of energy industry aerification, carbon black, and obtained very good environmental protection energy-saving and practical effect.
(4) brick of heat preservation of light qualitative Mo Laishi: Have splash to go up molten of very good, load nods dependability of well-balanced, thermal shock stress of tall, tall is worth small, intensity flabbily it is big, good to fight organic chemistry to corrode wait for character. Mo Laishi pledges gently basis of heat preservation brick is opposite of density different crucial component is become pledge gently and quality is great. What according to its applied spends is different, model norms can divide 7 kinds into product of series of MG-23, MG-25, MG-26, MG-27, MG-28, MG-30, MG-32. First of the member that pledge brick of Mo Laishi heat preservation is the very crucial group in heat preservation brick gently, this kinds of commodity but instantly flame of lay a finger on (very pivotal character) , have heat-resisting, slight tall, conduct heat coefficient small, environmental protection is energy-saving effect is distinct wait for character, li of line of crucible of kiln of path of roller of furnace of applicable splitting decomposition, hot-blast stove, china, food cabinet kiln, sandwich glass and various heating furnace.
(5) coating pledges gently heat preservation brick (adiabatic brick) : Because very much small orifice plate is contained in handicraft, it and sticky earthy, tall aluminium are made, float bead pledge and chemical fiber kind adiabatic handicraft is comparative, have tensile strength tall, cubage is opposite density is low, conduct heat coefficient is small, have unit weight light, safe construction is convenient, environmental protection of adiabatic heat preservation is energy-saving good use and cheap and fine wait for an advantage. Resist in 1100 ℃ character of temperature control great change is good, when temperature needs great change, do not split, not deformation.
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