CN102838283A - Method for producing foam microcrystal glass by utilizing composite industrial residue and product - Google Patents
Method for producing foam microcrystal glass by utilizing composite industrial residue and product Download PDFInfo
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- CN102838283A CN102838283A CN2012103839264A CN201210383926A CN102838283A CN 102838283 A CN102838283 A CN 102838283A CN 2012103839264 A CN2012103839264 A CN 2012103839264A CN 201210383926 A CN201210383926 A CN 201210383926A CN 102838283 A CN102838283 A CN 102838283A
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Abstract
The invention discloses a method for producing a foam microcrystal glass by utilizing a composite industrial residue, and is characterized by comprising the following steps of: crushing different industrial residues, after mixing proportionally, grinding to raw material powder, heating, melting, quenching and drying the raw material powder, grinding to clinker powder, adding a nucleation agent, a foaming agent, a foam stabilizer, a fluxing agent and an enhancer to form a foam microcrystal batch, after pressing the batch, preheating, foaming, stabilizing the foam and annealing, sintering to obtain the foam microcrystal glass. According to the invention, burnability of the batch is remarkably improved, the burning temperature is reduced, the production cost of the foam microcrystal glass is reduced, and the method has the characteristics of abundant raw material sources, low cost, simple process, environmental friendliness, and the like. The product foam microcrystal glass has the characteristics of excellent performance quality, low volume weight, high intensity, fire protection, water tightness, corrosion resistance, no ageing, no radioactivity and the like, and is an environmental-friendly new material.
Description
Technical field
The invention belongs to building material technical field, relate to a kind of foam pyroceram and working method thereof, be specifically related to a kind of method of composite industrial residue production foam pyroceram and foam pyroceram that makes of utilizing.
Background technology
At present; The raw material of producing multicellular glass mostly is industry and daily glass cullet powder; Also the valuable mineral raw material through drying and pulverize, grinding instead of part glass powder, carries out making foam glass product after the high-temperature roasting (about 1000 ~ 1200 ℃) after the shrend through secondary processing again.The starting material source that produces this foam glass product is narrower, and production cost is than higher, and technology is complicated, applies restrictedly, can only be applied to than in the special industry heat insulating work.
CN02109197.8 discloses a kind of composite foam pyroceram and preparation method thereof.It is compounded with foam pyroceram on toughened glass.The main raw material(s) of its making is glass cullet, and step is following: glass cullet are levigate, add CMC 99.5 (CMC), and furnishing glass slip; The porous plastics of band communicating aperture is immersed the glass slip, or haydite or granules of polystyrene are mixed with the glass slip; Drying after forming, 400-1000 ℃ of sintering takes out cooling; Compound with toughened glass again.
CN201010537506.8 discloses a kind of blast furnace hot slag of utilizing and has prepared foam pyroceram and method thereof, is main raw material with the blast furnace hot slag, with flyash; Borax, soda ash, rare mine tailing, silica sand etc. of selecting measure respectively; Mixing; Be fired into porous blocks and add in the cinder ladle, utilize the blast furnace hot slag to carry out fusion, melting charge obtains varigrained glass shrend material through shrend; Glass shrend material is dry, and ball milling adds whipping agent, mixes, and compacting or stone moulding are prepared foam pyroceram through coring, crystallization, sintering then.
CN200910220571.5 discloses the method that the ceramic polished waste material of a kind of usefulness prepares crystallite foam glass, is basic material with ceramic polished waste material, regulates suitably batching point, and high temperature burns till; Shrend obtains parent glass, mixes an amount of additive again; Grind mixing, and through specific heat treatment, preparation multicellular glass; At last the multicellular glass for preparing is carried out micritization thermal treatment, pass through fine annealing again, promptly get crystallite foam glass.
Summary of the invention
The objective of the invention is to overcome foam pyroceram raw material sources narrow range of the prior art, function singleness, the shortcoming of comprehensive effectiveness difference provides a kind of method of composite industrial residue production foam pyroceram and foam pyroceram that makes of utilizing.The composite industrial residue that the present invention adopted can improve the burn-ability of admixtion, the temperature of liquid phase appearance in the reduction process; Increase amount of liquid phase; Accelerate the solid-phase reaction velocity between batch particle, shorten firing time, reduce production costs thereby reach; Improve the foam pyroceram quality, the purpose of protection environment and save energy.
The technical scheme that completion foregoing invention task is adopted is; A kind of method of utilizing composite industrial residue to produce foam pyroceram; Make by the moulding of foam pyroceram admixtion, after burning till, it is characterized in that: described foam pyroceram admixtion is made up of the component of following weight part: raw material powder 65 ~ 75, fusing assistant 10 ~ 15, nucleus agent 5 ~ 10, whipping agent 3 ~ 5, suds-stabilizing agent 3 ~ 5 and toughener 3 ~ 5;
Described raw material powder is made up of following raw material and weight part from composite industrial residue: glass slag 20 ~ 25, flyash 10 ~ 15, silicon ash 10 ~ 15, zeolite slag 10 ~ 15, coal gangue 5 ~ 10, copper mine tailing 5 ~ 10, oil shale waste 5 ~ 10, perlite slag 5 ~ 10, zeyssatite slag 5 ~ 8 and lithium slag 2 ~ 5.
Described method is at first broken with industrial residue; Grind to form the raw material powder behind the proportional mixing; With grinding to form chamotte powder after raw material powder heat fused, quenching, the drying, add nucleus agent, whipping agent, suds-stabilizing agent, fusing assistant, toughener formation foam pyroceram admixtion then, after admixtion compression moulding; Through preheating, foaming, steady bubble, annealing stage, obtain foam pyroceram after burning till.
Preferably, other component except that the raw material powder is following in the admixtion:
Described nucleus agent is made up of following raw material and weight part: zirconium white 40 ~ 70, red oxide of iron 5 ~ 35, Sodium Fluoride 3 ~ 15 and chromium sesquioxide 3 ~ 15.
Described whipping agent is made up of following raw material and weight part: carbon black 5 ~ 10, graphite 10 ~ 15, yellow soda ash 25 ~ 30, salt of wormwood 20 ~ 25, saltcake 10 ~ 15 and borax 10 ~ 15.
Described suds-stabilizing agent is made up of following raw material and weight part: sodium phosphate 30 ~ 35, boric acid 20 ~ 25, zinc oxide 15 ~ 20, Manganse Dioxide 10 ~ 15 and Antimony Trioxide: 99.5Min 10 ~ 15.
Described fusing assistant is made up of following raw material and weight part: fluorite 25 ~ 30, rhombspar 30 ~ 35 and tiff 35 ~ 40.
Described toughener is made up of following raw material and weight part: thomel 40 ~ 70, silicon carbide fiber 15 ~ 35, wollastonite fibre 3 ~ 15 and aluminum silicate fiber 3 ~ 15.
Described method specifically comprises the steps:
1) with mixing and grinding to 400 ~ 500m by proportioning after the industrial residue fragmentation
2The raw material fine powder of/kg; The raw material fine powder that obtains is heated to 700 ~ 750 ℃, insulation 30 ~ 50min, quenching then, drying, grinding obtain 400 ~ 500m
2/ kg chamotte powder;
2) chamotte powder that obtains and nucleus agent, whipping agent, suds-stabilizing agent, fusing assistant, toughener are mixed into admixtion by weight proportion;
3) with the admixtion that the mixes mould compression moulding of packing into, send in the kiln and burn till;
4) burn till and comprise preheating, foaming, steady bubble, the annealing four-stage that carries out successively as follows:
A) pre-heating stage is warming up to 600 ℃, and heat-up rate is 20 ℃/min, is incubated 2 ~ 3 hours;
B) foaming stages is warming up to 700 ~ 750 ℃, and heat-up rate is 25 ~ 30 ℃/min, is incubated 30 ~ 60 minutes;
C) surely steep the stage, be cooled to 500 ℃, cooling rate is 20 ℃/min, is incubated 60 minutes;
D) annealing stage is cooled to 100 ℃, and cooling rate is 1 ℃/min, and depanning obtains foam pyroceram.
The invention still further relates to the foam pyroceram that aforesaid method makes.
The volume density of described foam pyroceram is 150 ~ 350 kg/m
3, Kang Yaqiangdu>1.6MPa, Kang Zheqiangdu>1.4MPa, thermal conductivity<0.12m/m ℃, the volume water absorption rate<0.1%.
Characteristics such as the method for utilizing composite industrial residue to produce foam pyroceram of the present invention has raw material sources and enriches, and is with low cost, and production technique is simple, whole process of production does not have waste discharge, belongs to the environment friendly technology.The foam pyroceram performance quality that makes is good, through adjustment component and processing condition, can regulate foam structure, reaches the purpose that insulation, sound insulation or water conservation are preserved moisture.Compared with prior art, be surrounded by following advantage at least:
The composite industrial residue that the present invention adopts silicon ash, flyash, zeolite slag, lithium slag, zeyssatite slag, coal gangue, blast furnace slag, perlite slag, copper mine tailing and glass slag to form had both helped reducing the temperature of liquid phase appearance in the raw material calcination process, also can increase amount of liquid phase.Thereby, can improve the burn-ability of raw material, help the formation of multicellular glass and the growing of crystal seed.
The present invention adopts zirconium white, red oxide of iron, Sodium Fluoride and chromium sesquioxide as the nucleus agent, helps multicellular glass in the preparation process, to produce crystal, helps improving the mechanical property of multicellular glass.The Sodium Fluoride that the present invention adopts as the nucleus agent simultaneously as glass network properties-correcting agent, thereby be used to occupy random site for a change network the positively charged ion of excess oxygen atom is provided.
The present invention adopts carbon black, graphite, yellow soda ash, salt of wormwood, saltcake and borax as whipping agent, in the glass melting process, under blowing temperature, discharges gas or steam to form the material of unicellular structure.The saltcake that the present invention adopts can provide the sodium oxide in the glass simultaneously as glass network properties-correcting agent.The saltcake that the present invention adopts can be introduced sodium oxide and sulphur trioxide in the glass.Chemical reaction at high temperature takes place mainly with the whipping agent carbon black in sulphur trioxide, and the multicellular glass bubble is provided, and satisfies the performance of multicellular glass.
The present invention adopts sodium phosphate, boric acid, zinc oxide, Manganse Dioxide, Antimony Trioxide: 99.5Min and potassium permanganate as suds-stabilizing agent; Can improve the performance of multicellular glass; Increase the blowing temperature scope, reduce communicating aperture, improve heat-insulating property, mechanical strength and the yield rate of goods.Because producing the compound of multicellular glass is a kind of heterogeneous system of solid-liquid-gas, the surface-area of each phase interface increases rapidly in the system, and surface free energy sharply increases; The diagram of system reduction of area is little, and bubble is prone to break, when small bubbles break and rise along with buoyancy when forming air pocket and lose; Or make foaming excessive inhomogeneous, therefore, for keeping bubble stabilizes and uniform in foaming; Must in compound, add the surface tension that a certain amount of suds-stabilizing agent reduces admixtion, prevent that bubble from breaking.Sodium phosphate that the present invention adopts and boric acid form agent as glass network simultaneously, are used to form trilateral and tetrahedral oxygen polyhedron to make up the positively charged ion of glass network.The boric acid that the present invention adopts can be introduced the boron trioxide in the glass, reduces the thermal expansivity of multicellular glass, improves thermostability, chemicalstability, softening temperature, thermotolerance, hardness and the physical strength etc. of glass.The sodium phosphate that the present invention adopts, SODIUMNITRATE, zinc oxide, manganese oxide and potassium permanganate are simultaneously as glass network properties-correcting agent.
The present invention adopts fluorite, rhombspar and tiff as fusing assistant, in the glass sintering procedure, plays fluxing action, and the temperature of liquid phase appearance is reduced; Amount of liquid phase increases, and liquid phase viscosity reduces, and what ion spread in liquid phase speeds up; Accelerate the formation of glass; Thereby clinker quality is had greatly improved, so raising the output consumption reduction, the effect that improves clinker quality are arranged.Rhombspar that the present invention adopts and tiff are simultaneously as glass network properties-correcting agent.Rhombspar can provide Natural manganese dioxide and the quicklime in the glass.Natural manganese dioxide and quicklime are the outer oxide bodies of glass network, and main effect is stablizer and chemicalstability and the physical strength that increases glass in glass.Replace the quicklime of same amount can improve the crystallization property of glass with Natural manganese dioxide.GIFf is mainly introduced the barium oxide in the glass.Barium oxide is the outer oxide body of glass network, can increase specific refractory power, density, gloss and the chemicalstability of glass, reduces the thermal conductivity of multicellular glass.
Thomel, silicon carbide fiber, wollastonite fibre and aluminum silicate fiber that the present invention adopts make above-mentioned strongthener and matrix be connected together well in sintering process, thereby make reinforced porous glass based composite material as toughener.Prepared multicellular glass is owing to the existence of toughener, and its processing characteristics and mechanical property are well improved.
In a word; The present invention is applicable in the multicellular glass production process; Utilize the abundant industrial residue in source that a kind of composite industrial residue production method of foam glass of super quality and competitive price is provided for building material industry for main raw material; The activation of raw mineral materials and the mineralization of calcination process are combined together, produce complex effect.Thereby, can obviously improve the burn-ability of admixtion, reduce firing temperature, save energy, the protection environment can improve the quality of foam pyroceram again.Product foam pyroceram unit weight is low, intensity is high, good heat-insulation effect; Be not only applicable to the heat insulating of industrial equipments and pipeline; Be more suitable for external wall, roof heat insulation, sound insulation or soilless culture water-keeping material etc. within doors; Having fire prevention, waterproof, corrosion-resistant, not aging, "dead", characteristics such as dimensional stability is good, is a kind of environment-friendly type novel material.
Embodiment
Below in conjunction with embodiment the present invention is done further description, but embodiment should not regard limitation of the scope of the invention as, protection scope of the present invention is defined by the claims.
Embodiment 1
A kind of method of composite industrial residue production foam pyroceram and foam pyroceram that makes of utilizing, prepare burden as follows:
By weight, the component and the consumption of foam pyroceram admixtion (in total amount is 100 parts, down together) are: raw material powder 65, fusing assistant 15, nucleus agent 5, whipping agent 5, suds-stabilizing agent 5, toughener 5.
The concrete component and the consumption of raw material powder are: glass slag 20, flyash 10, silicon ash 10, zeolite slag 10, coal gangue 10, copper mine tailing 10, oil shale waste 10, perlite slag 10, zeyssatite slag 8, lithium slag 2.The concrete component and the consumption of fusing assistant are: fluorite 25, rhombspar 35, tiff 40.The concrete component and the consumption of nucleus agent are: zirconium white 40, red oxide of iron 35, Sodium Fluoride 15, chromium sesquioxide 10.The concrete component and the consumption of whipping agent are: carbon black 5, graphite 15, yellow soda ash 30, salt of wormwood 20, saltcake 15, borax 15.The concrete component and the consumption of suds-stabilizing agent are: sodium phosphate 30, boric acid 25, zinc oxide 20, Manganse Dioxide 15, Antimony Trioxide: 99.5Min 10.The concrete component and the consumption of toughener are: thomel 40, silicon carbide fiber 35, wollastonite fibre 15, aluminum silicate fiber 10.
According to above-mentioned batching, produce foam pyroceram by following method, at first, industrial residue is mixed and grinding to 400 ~ 500m by proportioning
2The raw material fine powder of/kg; Then, the raw material fine powder that obtains is heated to 700 ~ 750 ℃, insulation 30 ~ 50min, quenching then, drying, grinding obtain 400 ~ 500m
2/ kg chamotte powder; Secondly, the chamotte powder that obtains, nucleus agent, whipping agent, suds-stabilizing agent, fusing assistant, toughener are mixed into admixtion by weight proportion.At last, with the admixtion that the mixes mould compression moulding of packing into, send into and burn till foaming in the kiln, the admixtion loadings is 30% ~ 40% of a mould capacity.Burn till and in Ma Fushi electric furnace or Ma Fushi gas furnace, oil oven, to carry out, require that the temperature difference is not more than 20 ~ 30 ℃ in the stove.Calcining system is preheating, foaming, steady bubble, annealing four-stage.Pre-heating stage is warming up to 600 ℃, and heat-up rate is 20 ℃/min, is incubated 2 ~ 3 hours; Foaming stages is warming up to 700 ~ 750 ℃, and heat-up rate is 25 ~ 30 ℃/min, is incubated 30 ~ 60 minutes; The steady bubble stage is cooled to 500 ℃, and cooling rate is 20 ℃/min, is incubated 60 minutes; Annealing stage is cooled to 100 ℃, and cooling rate is 1 ℃/min, and depanning obtains foam pyroceram.
Embodiment 2
According to utilizing composite industrial residue to produce foam pyroceram, prepare burden as follows with embodiment 1 identical method:
By weight, the component and the consumption of foam pyroceram admixtion (in total amount is 100 parts, down together) are: raw material powder 70, fusing assistant 10, nucleus agent 8, whipping agent 4, suds-stabilizing agent 4, toughener 4.
The concrete component and the consumption of raw material powder are: glass slag 25, flyash 15, silicon ash 10, zeolite slag 10, coal gangue 5, copper mine tailing 5, oil shale waste 10, perlite slag 10, zeyssatite slag 5, lithium slag 5.The concrete component and the consumption of fusing assistant are: fluorite 26, rhombspar 35, tiff 39.The concrete component and the consumption of nucleus agent are: zirconium white 45, red oxide of iron 30, Sodium Fluoride 10, chromium sesquioxide 15.The concrete component and the consumption of whipping agent are: carbon black 6, graphite 14, yellow soda ash 29, salt of wormwood 25, saltcake 11, borax 15.The concrete component and the consumption of suds-stabilizing agent are: sodium phosphate 31, boric acid 25, zinc oxide 15, Manganse Dioxide 14, Antimony Trioxide: 99.5Min 15.The concrete component and the consumption of toughener are: thomel 70, silicon carbide fiber 15, wollastonite fibre 5, aluminum silicate fiber 10.
Embodiment 3
According to utilizing composite industrial residue to produce foam pyroceram, prepare burden as follows with embodiment 1 identical method:
By weight, the component and the consumption of foam pyroceram admixtion (in total amount is 100 parts, down together) are: raw material powder 75, fusing assistant 11, nucleus agent 5, whipping agent 3, suds-stabilizing agent 3, toughener 3.
The concrete component and the consumption of raw material powder are: glass slag 20, flyash 10, silicon ash 15, zeolite slag 15, coal gangue 10, copper mine tailing 10, oil shale waste 5, perlite slag 5, zeyssatite slag 6, lithium slag 4.The concrete component and the consumption of fusing assistant are: fluorite 27, rhombspar 34, tiff 39.The concrete component and the consumption of nucleus agent are: zirconium white 50, red oxide of iron 32, Sodium Fluoride 3, chromium sesquioxide 15.The concrete component and the consumption of whipping agent are: carbon black 10, graphite 13, yellow soda ash 25, salt of wormwood 22, saltcake 15, borax 10.The concrete component and the consumption of suds-stabilizing agent are: sodium phosphate 35, boric acid 22, zinc oxide 19, Manganse Dioxide 10, Antimony Trioxide: 99.5Min 14.Thomel 50, silicon carbide fiber 33, wollastonite fibre 3, aluminum silicate fiber 14.
Embodiment 4
According to utilizing composite industrial residue to produce foam pyroceram, prepare burden as follows with embodiment 1 identical method:
By weight, the component and the consumption of foam pyroceram admixtion (in total amount is 100 parts, down together) are: raw material powder 68, fusing assistant 12, nucleus agent 10, whipping agent 3, suds-stabilizing agent 3, toughener 4.The concrete component and the consumption of raw material powder are: glass slag 21, flyash 11, silicon ash 14, zeolite slag 14, coal gangue 5, copper mine tailing 5, oil shale waste 5, perlite slag 5, zeyssatite slag 7, lithium slag 3.The concrete component and the consumption of fusing assistant are: fluorite 28, rhombspar 34, tiff 38.The concrete component and the consumption of nucleus agent are: zirconium white 55, red oxide of iron 27, Sodium Fluoride 15, chromium sesquioxide 3.The concrete component and the consumption of whipping agent are: carbon black 10, graphite 15, yellow soda ash 26, salt of wormwood 24, saltcake 10, borax 15.The concrete component and the consumption of suds-stabilizing agent are: sodium phosphate 33, boric acid 22, zinc oxide 18, Manganse Dioxide 13, Antimony Trioxide: 99.5Min 14.Thomel 45, silicon carbide fiber 30, wollastonite fibre 12, aluminum silicate fiber 13.
Embodiment 5
According to utilizing composite industrial residue to produce foam pyroceram, prepare burden as follows with embodiment 1 identical method:
By weight, the component and the consumption of foam pyroceram admixtion (in total amount is 100 parts, down together) are: raw material powder 72, fusing assistant 14, nucleus agent 5, whipping agent 3, suds-stabilizing agent 3, toughener 3.
The concrete component and the consumption of raw material powder are: glass slag 22, flyash 12, silicon ash 11, zeolite slag 12, coal gangue 7, copper mine tailing 7, oil shale waste 10, perlite slag 9, zeyssatite slag 7, lithium slag 4.The concrete component and the consumption of fusing assistant are: fluorite 29, rhombspar 34, tiff 37.The concrete component and the consumption of nucleus agent are: zirconium white 60, red oxide of iron 25, Sodium Fluoride 5, chromium sesquioxide 10.The concrete component and the consumption of whipping agent are: carbon black 9, graphite 11, yellow soda ash 28, salt of wormwood 25, saltcake 12, borax 15.The concrete component and the consumption of suds-stabilizing agent are: sodium phosphate 34, boric acid 21, zinc oxide 18, Manganse Dioxide 14, Antimony Trioxide: 99.5Min 13.Thomel 55, silicon carbide fiber 28, wollastonite fibre 5, aluminum silicate fiber 12.
Embodiment 6
According to utilizing composite industrial residue to produce foam pyroceram, prepare burden as follows with embodiment 1 identical method:
By weight, the component and the consumption of foam pyroceram admixtion (in total amount is 100 parts, down together) are: raw material powder 75, fusing assistant 10, nucleus agent 5, whipping agent 4, suds-stabilizing agent 3, toughener 3.
The concrete component and the consumption of raw material powder are: glass slag 23, flyash 13, silicon ash 12, zeolite slag 13, coal gangue 10, copper mine tailing 10, oil shale waste 5, perlite slag 5, zeyssatite slag 6, lithium slag 3.The concrete component and the consumption of fusing assistant are: fluorite 30, rhombspar 35, tiff 35.The concrete component and the consumption of nucleus agent are: zirconium white 65, red oxide of iron 21, Sodium Fluoride 7, chromium sesquioxide 7.The concrete component and the consumption of whipping agent are: carbon black 10, graphite 10, yellow soda ash 30, salt of wormwood 23, saltcake 15, borax 12.The concrete component and the consumption of suds-stabilizing agent are: sodium phosphate 35, boric acid 21, zinc oxide 17, Manganse Dioxide 15, Antimony Trioxide: 99.5Min 12.The concrete component and the consumption of toughener are: thomel 60, silicon carbide fiber 22, wollastonite fibre 8, aluminum silicate fiber 10.
Embodiment 7
According to utilizing composite industrial residue to produce foam pyroceram, prepare burden as follows with embodiment 1 identical method:
By weight, the component and the consumption of foam pyroceram admixtion (in total amount is 100 parts, down together) are: raw material powder 65, fusing assistant 13, nucleus agent 10, whipping agent 4, suds-stabilizing agent 4, toughener 4.
The concrete component and the consumption of raw material powder are: glass slag 24, flyash 14, silicon ash 13, zeolite slag 14, coal gangue 6, copper mine tailing 6, oil shale waste 6, perlite slag 6, zeyssatite slag 7, lithium slag 4.The concrete component and the consumption of fusing assistant are: fluorite 30, rhombspar 33, tiff 37.The concrete component and the consumption of nucleus agent are: zirconium white 70, red oxide of iron 5, Sodium Fluoride 12, chromium sesquioxide 13.The concrete component and the consumption of whipping agent are: carbon black 10, graphite 10, yellow soda ash 29, salt of wormwood 24, saltcake 14, borax 13.The concrete component and the consumption of suds-stabilizing agent are: sodium phosphate 35, boric acid 20, zinc oxide 17, Manganse Dioxide 13, Antimony Trioxide: 99.5Min 15.The concrete component and the consumption of toughener are: thomel 65, silicon carbide fiber 17, wollastonite fibre 10, aluminum silicate fiber 8.
Embodiment 8
According to utilizing composite industrial residue to produce foam pyroceram, prepare burden as follows with embodiment 1 identical method:
By weight, the component and the consumption of foam pyroceram admixtion (in total amount is 100 parts, down together) are: raw material powder 67, fusing assistant 12, nucleus agent 8, whipping agent 5, suds-stabilizing agent 5, toughener 3.
The concrete component and the consumption of raw material powder are: glass slag 25, flyash 15, silicon ash 10, zeolite slag 10, coal gangue 6, copper mine tailing 7, oil shale waste 7, perlite slag 7, zeyssatite slag 8, lithium slag 5.The concrete component and the consumption of fusing assistant are: fluorite 29, rhombspar 35, tiff 36.The concrete component and the consumption of nucleus agent are: zirconium white 40, red oxide of iron 35, Sodium Fluoride 10, chromium sesquioxide 15.The concrete component and the consumption of whipping agent are: carbon black 9, graphite 11, yellow soda ash 27, salt of wormwood 25, saltcake 15, borax 13.The concrete component and the consumption of suds-stabilizing agent are: sodium phosphate 34, boric acid 24, zinc oxide 15, Manganse Dioxide 12, Antimony Trioxide: 99.5Min 15.The concrete component and the consumption of toughener are: thomel 60, silicon carbide fiber 20, wollastonite fibre 15, aluminum silicate fiber 5.
Embodiment 9
According to utilizing composite industrial residue to produce foam pyroceram, prepare burden as follows with embodiment 1 identical method:
By weight, the component and the consumption of foam pyroceram admixtion (in total amount is 100 parts, down together) are: raw material powder 69, fusing assistant 10, nucleus agent 9, whipping agent 3, suds-stabilizing agent 5, toughener 5.
The concrete component and the consumption of raw material powder are: glass slag 20, flyash 15, silicon ash 15, zeolite slag 10, coal gangue 6, copper mine tailing 8, oil shale waste 8, perlite slag 8, zeyssatite slag 8, lithium slag 2.The concrete component and the consumption of fusing assistant are: fluorite 28, rhombspar 35, tiff 37.The concrete component and the consumption of nucleus agent are: zirconium white 50, red oxide of iron 20, Sodium Fluoride 15, chromium sesquioxide 15.The concrete component and the consumption of whipping agent are: carbon black 8, graphite 12, yellow soda ash 26, salt of wormwood 25, saltcake 15, borax 14.The concrete component and the consumption of suds-stabilizing agent are: sodium phosphate 33, boric acid 23, zinc oxide 19, Manganse Dioxide 15, Antimony Trioxide: 99.5Min 10.The concrete component and the consumption of toughener are: thomel 67, silicon carbide fiber 25, wollastonite fibre 3, aluminum silicate fiber 5.
Embodiment 10
According to utilizing composite industrial residue to produce foam pyroceram, prepare burden as follows with embodiment 1 identical method:
By weight, the component and the consumption of foam pyroceram admixtion (in total amount is 100 parts, down together) are: raw material powder 71, fusing assistant 13, nucleus agent 5, whipping agent 5, suds-stabilizing agent 3, toughener 3.
The concrete component and the consumption of raw material powder are: glass slag 25, flyash 10, silicon ash 10, zeolite slag 10, coal gangue 5, copper mine tailing 7, oil shale waste 10, perlite slag 10, zeyssatite slag 8, lithium slag 5.The concrete component and the consumption of fusing assistant are: fluorite 27, rhombspar 33, tiff 40.The concrete component and the consumption of nucleus agent are: zirconium white 60, red oxide of iron 28, Sodium Fluoride 6, chromium sesquioxide 6.The concrete component and the consumption of whipping agent are: carbon black 7, graphite 13, yellow soda ash 25, salt of wormwood 25, saltcake 15, borax 15.The concrete component and the consumption of suds-stabilizing agent are: sodium phosphate 32, boric acid 23, zinc oxide 20, Manganse Dioxide 12, Antimony Trioxide: 99.5Min 13.The concrete component and the consumption of toughener are: thomel 40, silicon carbide fiber 33, wollastonite fibre 12, aluminum silicate fiber 15.
Embodiment 11
According to utilizing composite industrial residue to produce foam pyroceram, prepare burden as follows with embodiment 1 identical method:
By weight, the component and the consumption of foam pyroceram admixtion (in total amount is 100 parts, down together) are: raw material powder 73, fusing assistant 10, nucleus agent 5, whipping agent 3, suds-stabilizing agent 5, toughener 3.
The concrete component and the consumption of raw material powder are: glass slag 20, flyash 15, silicon ash 12, zeolite slag 10, coal gangue 5, copper mine tailing 6, oil shale waste 9, perlite slag 9, zeyssatite slag 8, lithium slag 5.The concrete component and the consumption of fusing assistant are: fluorite 26, rhombspar 36, tiff 38.The concrete component and the consumption of nucleus agent are: zirconium white 65, red oxide of iron 10, Sodium Fluoride 12, chromium sesquioxide 13.The concrete component and the consumption of whipping agent are: carbon black 6, graphite 15, yellow soda ash 28, salt of wormwood 23, saltcake 13, borax 15.The concrete component and the consumption of suds-stabilizing agent are: sodium phosphate 31, boric acid 24, zinc oxide 16, Manganse Dioxide 14, Antimony Trioxide: 99.5Min 15.The concrete component and the consumption of toughener are: thomel 55, silicon carbide fiber 15, wollastonite fibre 15, aluminum silicate fiber 15.
Embodiment 12
According to utilizing composite industrial residue to produce foam pyroceram, prepare burden as follows with embodiment 1 identical method:
By weight, the component and the consumption of foam pyroceram admixtion (in total amount is 100 parts, down together) are: raw material powder 74, fusing assistant 11, nucleus agent 6, whipping agent 3, suds-stabilizing agent 3, toughener 3.
The concrete component and the consumption of raw material powder are: glass slag 25, flyash 10, silicon ash 12, zeolite slag 10, coal gangue 5, copper mine tailing 8, oil shale waste 9, perlite slag 9, zeyssatite slag 7, lithium slag 5.The concrete component and the consumption of fusing assistant are: fluorite 26, rhombspar 34, tiff 40.The concrete component and the consumption of nucleus agent are: zirconium white 70, red oxide of iron 5, Sodium Fluoride 13, chromium sesquioxide 12.The concrete component and the consumption of whipping agent are: carbon black 5, graphite 15, yellow soda ash 30, salt of wormwood 22, saltcake 14, borax 14.The concrete component and the consumption of suds-stabilizing agent are: sodium phosphate 30, boric acid 25, zinc oxide 20, Manganse Dioxide 10, Antimony Trioxide: 99.5Min 15.The concrete component and the consumption of toughener are: thomel 70, silicon carbide fiber 24, wollastonite fibre 3, aluminum silicate fiber 3.
The foam pyroceram that embodiment 1 ~ 12 adopts composite industrial residue to produce, the main performance index result such as the table 1 of product.
The volume density of the foam pyroceram goods that the present invention produces is 150 ~ 350 kg/m
3, Kang Yaqiangdu>1.6MPa, Kang Zheqiangdu>1.4MPa, thermal conductivity<0.12m/m ℃, the volume water absorption rate<0.1%.Product foam pyroceram of the present invention has following performance: 1, unit weight is low.Product can be according to concrete engineering to the requirement of physical strength and thermal conductivity at 150 ~ 350 kg/m
3Regulate in the scope.2, good heat-insulation effect.Foam pyroceram integral body is full of evenly independent sealed pore, has reduced the thermal conductivity of product.3, insulate, do not fire, freeze-thaw-.Can in-200 ~ 400 scopes, use; Resistance to chemical attack, non-efflorescing cementitious, not aging; Nontoxic, non-corrosiveness; Do not damaged by worms, damaged by rats and microbiological corrosion.4, physical strength is high, is easy to machine-shaping, and dimensional stability is good.
The performance index of table 1 foam pyroceram
| Embodiment | Volume density, kg/m 3 | Ultimate compression strength, MPa | Folding strength, MPa | Thermal conductivity, m/m ℃ | The volume water absorption rate, % |
| 1 | 205 | 2.65 | 2.50 | 0.11 | 0.07 |
| 2 | 310 | 2.48 | 2.21 | 0.09 | 0.06 |
| 3 | 185 | 1.65 | 1.53 | 0.10 | 0.05 |
| 4 | 240 | 2.21 | 2.12 | 0.10 | 0.09 |
| 5 | 210 | 2.05 | 1.95 | 0.11 | 0.08 |
| 6 | 220 | 1.67 | 1.49 | 0.11 | 0.07 |
| 7 | 190 | 2.13 | 1.97 | 0.09 | 0.04 |
| 8 | 215 | 1.82 | 1.63 | 0.08 | 0.06 |
| 9 | 150 | 3.22 | 3.02 | 0.07 | 0.05 |
| 10 | 350 | 3.17 | 2.96 | 0.08 | 0.07 |
| 11 | 330 | 2.54 | 2.34 | 0.10 | 0.05 |
| 12 | 195 | 2.76 | 2.59 | 0.08 | 0.06 |
The present invention is applicable to the production process of foam pyroceram; The method of utilizing the abundant industrial residue in source to provide a kind of composite industrial residue of super quality and competitive price to produce foam pyroceram for building material industry for main raw material; It can improve the quality of products; Reduce production costs, practice thrift money and protection environment.
Foam pyroceram production of articles method of the present invention makes its product performance index meet and exceed the part foreign standard; Satisfy the requirement of home market fully; And can satisfy the requirement of most world markets; Broken the international monopoly of offshore company's over half a century,, and had very strong international competitiveness the imbalance between supply and demand of alleviating the home market greatly.
Claims (9)
1. method of utilizing composite industrial residue to produce foam pyroceram; Make by the moulding of foam pyroceram admixtion, after burning till, it is characterized in that: described foam pyroceram admixtion is made up of the component of following weight part: raw material powder 65 ~ 75, fusing assistant 10 ~ 15, nucleus agent 5 ~ 10, whipping agent 3 ~ 5, suds-stabilizing agent 3 ~ 5 and toughener 3 ~ 5;
Described raw material powder is made up of following raw material and weight part from composite industrial residue: glass slag 20 ~ 25, flyash 10 ~ 15, silicon ash 10 ~ 15, zeolite slag 10 ~ 15, coal gangue 5 ~ 10, copper mine tailing 5 ~ 10, oil shale waste 5 ~ 10, perlite slag 5 ~ 10, zeyssatite slag 5 ~ 8 and lithium slag 2 ~ 5.
2. the method for utilizing composite industrial residue to produce foam pyroceram according to claim 1; It is characterized in that: at first that industrial residue is broken; Grind to form the raw material powder behind the proportional mixing; With grinding to form chamotte powder after raw material powder heat fused, quenching, the drying, add nucleus agent, whipping agent, suds-stabilizing agent, fusing assistant, toughener formation foam pyroceram admixtion then, after admixtion compression moulding; Through preheating, foaming, steady bubble, annealing stage, obtain foam pyroceram after burning till.
3. the method for utilizing composite industrial residue to produce foam pyroceram according to claim 1 and 2, it is characterized in that: described fusing assistant is made up of following raw material and weight part: fluorite 25 ~ 30, rhombspar 30 ~ 35 and tiff 35 ~ 40.
4. the method for utilizing composite industrial residue to produce foam pyroceram according to claim 1 and 2, it is characterized in that: described nucleus agent is made up of following raw material and weight part: zirconium white 40 ~ 70, red oxide of iron 5 ~ 35, Sodium Fluoride 3 ~ 15 and chromium sesquioxide 3 ~ 15.
5. the method for utilizing composite industrial residue to produce foam pyroceram according to claim 1 and 2, it is characterized in that: described whipping agent is made up of following raw material and weight part: carbon black 5 ~ 10, graphite 10 ~ 15, yellow soda ash 25 ~ 30, salt of wormwood 20 ~ 25, saltcake 10 ~ 15 and borax 10 ~ 15.
6. the method for utilizing composite industrial residue to produce foam pyroceram according to claim 1 and 2, it is characterized in that: described suds-stabilizing agent is made up of following raw material and weight part: sodium phosphate 30 ~ 35, boric acid 20 ~ 25, zinc oxide 15 ~ 20, Manganse Dioxide 10 ~ 15 and Antimony Trioxide: 99.5Min 10 ~ 15.
7. the method for utilizing composite industrial residue to produce foam pyroceram according to claim 1 and 2, it is characterized in that: described toughener is made up of following raw material and weight part: thomel 40 ~ 70, silicon carbide fiber 15 ~ 35, wollastonite fibre 3 ~ 15 and aluminum silicate fiber 3 ~ 15.
8. the method for utilizing composite industrial residue to produce foam pyroceram according to claim 1 and 2, it is characterized in that: described method comprises the steps:
1) with mixing and grinding to 400 ~ 500m by proportioning after the industrial residue fragmentation
2The raw material fine powder of/kg; The raw material fine powder that obtains is heated to 700 ~ 750 ℃, insulation 30 ~ 50min, quenching then, drying, grinding obtain 400 ~ 500m
2/ kg chamotte powder;
2) chamotte powder that obtains and nucleus agent, whipping agent, suds-stabilizing agent, fusing assistant, toughener are mixed into admixtion by weight proportion;
3) with the admixtion that the mixes mould compression moulding of packing into, send into kiln and burn till:
4) burn till and comprise preheating, foaming, steady bubble, the annealing four-stage that carries out successively as follows:
A) pre-heating stage is warming up to 600 ℃, and heat-up rate is 20 ℃/min, is incubated 2 ~ 3 hours;
B) foaming stages is warming up to 700 ~ 750 ℃, and heat-up rate is 25 ~ 30 ℃/min, is incubated 30 ~ 60 minutes;
C) surely steep the stage, be cooled to 500 ℃, cooling rate is 20 ℃/min, is incubated 60 minutes;
D) annealing stage is cooled to 100 ℃, and cooling rate is 1 ℃/min, and depanning obtains foam pyroceram.
9. foam pyroceram that utilizes composite industrial residue to produce is characterized in that: the foam pyroceram admixtion that described foam pyroceram system is made up of following weight part makes through moulding, after burning till: raw material powder 65 ~ 75, fusing assistant 10 ~ 15, nucleus agent 5 ~ 10, whipping agent 3 ~ 5, suds-stabilizing agent 3 ~ 5 and toughener 3 ~ 5; Wherein said raw material powder is made up of following raw material and weight part from composite industrial residue: glass slag 20 ~ 25, flyash 10 ~ 15, silicon ash 10 ~ 15, zeolite slag 10 ~ 15, coal gangue 5 ~ 10, copper mine tailing 5 ~ 10, oil shale waste 5 ~ 10, perlite slag 5 ~ 10, zeyssatite slag 5 ~ 8 and lithium slag 2 ~ 5.
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Effective date of registration: 20170630 Address after: 215011 No. 121, Taishan Road, hi tech Zone, Jiangsu, Suzhou Patentee after: Suzhou Xinsu Chemical Machinery Co. Ltd. Address before: Ninghai Gulou District of Nanjing city of Jiangsu Province, No. 122 210097 Patentee before: Nanjing Normal University |