CN104790541A - High-intensity microcrystal foaming fire prevention thermal insulation sheet material produced by using kaolin clay and production technology thereof - Google Patents
High-intensity microcrystal foaming fire prevention thermal insulation sheet material produced by using kaolin clay and production technology thereof Download PDFInfo
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- CN104790541A CN104790541A CN201510080622.4A CN201510080622A CN104790541A CN 104790541 A CN104790541 A CN 104790541A CN 201510080622 A CN201510080622 A CN 201510080622A CN 104790541 A CN104790541 A CN 104790541A
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Abstract
The invention relates to a high-intensity inorganic foaming fire prevention thermal insulation wall material produced by using kaolin clay and a production technology thereof. According to the technical scheme, the kaolin clay, red clay and limestone are prepared into tiny fine powder, the kaolin clay fine powder, the red clay fine powder and the limestone fine powder are uniformly mixed in proportion, the fine powder mixed material is uniformly laid in a baking mold, a high-intensity fire-resistant steel mesh is fixedly installed in the mold, the steel mesh is arranged in the middle of the fine powder mixed material, and the fine powder mixed material and the steel mesh are integrally baked and cooled for one time for forming through a high-temperature baking kiln. The high-intensity inorganic foaming fire prevention thermal insulation wall material produced by using the kaolin clay and the production technology thereof have the advantages that the whole support structure intensity of the sheet material can be regulated and enhanced through the intensity of the steel mesh configured in the middle of the sheet material, larger application space can be played by the sheet material in projects, and meanwhile in the using process, the safety of the construction sheet material is improved and the service life of the construction sheet material is prolonged.
Description
Technical field
The present invention relates to field of constructional engineering material, be specifically related to a kind of utilize white clay to produce high strength crystallite foaming fire preventing and heat insulating board and production technology.
Background technology
Crystallite foaming fire preventing and heat insulating board is that a kind of high-load inorganic silicate mineral aggregate that utilizes is for the plate body material of characteristic such as having of producing of main material fireproof heat insulating performance is high, coefficient of thermal conductivity is low, novel light, stable chemical performance, nonpoisonous and tasteless, anticorrosion humidity resistance are good, sound insulation and noise reduction, waterproof hydrophobicity performance is high, weatherability is strong etc.Use as constructional materials, possess great use value and the scope of application.
White clay is a kind of moisture crystal, belongs to triclinic layer silicate clay mineral, is silica more than 50% in the composition in white clay ore deposit, through test, may be used for producing crystallite foaming fire preventing and heat insulating board.And because white clay clay mineral has the attribute of nano material, it is the natural nano structure mineral material with nanochannel structure, so using the main production raw material of white clay as crystallite foaming fire preventing and heat insulating board, the crystallite foaming fire preventing and heat insulating board produced as main material with other mineral aggregate not possessing nano material attribute is compared, and compressive strength, impermeability and durability are all improved.
In Practical Project operation, according to resistance to compression and the tensile strength of crystallite foaming fire preventing and heat insulating board, be generally used for the exterior wall construction of multistory building and small sized multiple story building, simultaneously also can sheet material from as structure, be directly used in the construction of temporary building or small-sized structure class building.Because be subject to the impact of material self-characteristic, sheet material compressive strength has certain limit, so limit the scope of application and the safety of sheet material to a certain extent, this becomes a bottleneck of crystallite foaming fire preventing and heat insulating board.
Summary of the invention
Object of the present invention is exactly intensity in order to strengthen crystallite foaming fire preventing and heat insulating board and safety, from crystallite foaming fire preventing and heat insulating board unitary construction and production craft step, utilize white clay for main production raw material, by improvement of production process and plate body structure, produce the crystallite foaming fire preventing and heat insulating board that intensity is more remarkable, the high strength crystallite foaming fire preventing and heat insulating board make crystallite foaming fire preventing and heat insulating board have larger use value and scope, provide a kind of plate face in white, strength character is superior, utilizing white clay to produce and production technology thereof.
To achieve these goals, the present invention takes following technical scheme: the feature after utilizing white clay high-temperature firing being white, produces the micro-crystal plate face of white; White clay, admaic earth and limestone are prepared into small fine powder, Homogeneous phase mixing in proportion, then being located at by fine powder batch mixing uniform spreading fires in mould, mould internal fixtion loads high-strength fireproof steel mesh, be laid in the middle of fine powder batch mixing, batch mixing and fire-resistant steel mesh integrally fired cooling forming through high-temperature firing kiln is disposable.
The high strength crystallite foaming fire preventing and heat insulating board utilizing white clay to produce according to above scheme the present invention is by pure crystallite flaggy and crystallite foaming flaggy is disposable integrally forms by a firing; Pure crystallite flaggy is fired by white clay crystallite fine powder material and is formed, and plate face is closely knit in white, internal construction; Crystallite foaming flaggy is mixed to fire by white clay crystallite fine powder material, admaic earth fine powder material and limestone fines material and forms, and inner in honeycombed structure, centre is lined with steel mesh, and steel mesh and plate body are sintered together.
Described high strength crystallite foaming fire preventing and heat insulating board batching comprises white clay 70-50%, admaic earth 30-20%, limestone 20-10%.
Iron network aluminium alloys high-temperature resistant steel mesh selected by described steel mesh, and fusing point is greater than 1400 DEG C, and in well shape, arrangement of reinforcement intensity is 3mm-50mm.
The plate body thickness of described foamed fireproofing heat preservation plate material is 3 ~ 600mm.
The present invention utilizes the production technology of white clay production high strength crystallite foaming fire preventing and heat insulating board, comprises the following steps:
S1. raw material preparation:
1) prepare pure microcrystal grain: white clay raw material is put into glass melting furnace and is melting into slurry, glass melting temperature at 1500 ~ 1550 DEG C, through fusing, homogenizing, stay-in-grade molten slurry is flowed out through glass melting furnace discharging opening, carry out Water Quenching, make microcrystal grain, then carry out gradation oven dry;
2) prepare admaic earth particle: dried by admaic earth, be broken for particle fragment and powder;
3) limestone particle is prepared: raw limestone is carried out break process, is processed into molecule;
4) pure crystallite fine powder is prepared: white clay microcrystal grain is ground to the small fine powder of 500-700 object through mechanical crushing milling apparatus;
5) crystallite foaming batch mixing fine powder is prepared: white clay microcrystal grain, admaic earth particle and limestone particle being weighed by proportioning mixes, be ground to the small fine powder of 500-700 object through mechanical crushing milling apparatus, it is more even that simultaneous grinding process makes raw material mix;
S2. cloth:
1) the pure crystallite fine powder prepared and crystallite foaming batch mixing fine powder are loaded in material distributing machine separately deposit;
2), after treating pure crystallite fine powder and crystallite foaming batch mixing fine powder deposition, even laying pure crystallite fine powder, steel mesh and crystallite foaming batch mixing fine powder in mould is being fired successively;
S3. fire:
1) mould of firing of good pure for cloth crystallite fine powder, steel mesh and crystallite foaming batch mixing fine powder is sent into and fired kiln, high-temperature heating to 1150 DEG C-1200 DEG C, continue 4-5 hour;
2) the high strength crystallite foaming fire preventing and heat insulating board baked is sent into cooling section in kiln naturally to cool, continue 18-24 hour;
S4. finished product processing: by cooled high strength crystallite foaming fire preventing and heat insulating board, be cut into engineering plate by engineering size.
In described crystallite foaming batch mixing fine powder, the percentage by weight of white clay microcrystal grain, admaic earth particle and limestone particle is: white clay microcrystal grain 70-50%, admaic earth particle 30-20%, limestone particle 20-10%.
Described S2 distributing technique the 2nd step comprises following concrete steps:
A. in the different feed bins of material distributing machine device, load separately the pure crystallite fine powder prepared and crystallite foaming batch mixing fine powder respectively, wait for powder deposition;
B. to be fired in mould at crystallite foaming fire preventing and heat insulating board by material distributing machine successively respectively and carry out cloth:
A. be first distributed into the thick pure crystallite fine powder of first floor 0-35mm firing mold bottom, surface is paved;
B. then more than pure crystallite fine-powder bed, fire the assigned address on mould surrounding sidewall, level is fixing lays steel mesh;
C. lay crystallite foaming compound fine powder finally by pure crystallite fine-powder bed, it is thick that the bed of material is less than 600mm, and submerged by steel mesh wherein, surface is paved.
Beneficial effect of the present invention is: the sheet material producing designated color, more can cater to Market Design user demand; The nano material characteristic of white clay improves the intensity of sheet material, impermeability and durability; Can be regulated by the steel mesh intensity of sheet material intermediate configurations and strengthen the integrated support structural strength of sheet material, make sheet material in engineering, play larger application space, add building board safety in use and application life simultaneously.
figure of description
The high strength crystallite foaming fire preventing and heat insulating board organigram having pure micro-crystal plate that accompanying drawing 1 is produced for present invention process.
The high strength crystallite foaming fire preventing and heat insulating board organigram without pure micro-crystal plate that accompanying drawing 2 is produced for present invention process.
The steel mesh organigram of the high strength crystallite foaming fire preventing and heat insulating board that accompanying drawing 3 is produced for present invention process.
In accompanying drawing: pure crystallite flaggy 1, crystallite foaming layer 2, steel mesh 3.
Detailed description of the invention
With the mode implementing leading case further technology, invention is described below.
Embodiment 1:
As shown in Figure 1, the high strength crystallite foaming fire preventing and heat insulating board having pure crystallite flaggy 1 that the production technology of the high strength crystallite foaming fire preventing and heat insulating board produced according to utilizing white clay is produced, by pure crystallite flaggy 1 with crystallite foaming flaggy 2 is disposable integrally forms by a firing; Pure crystallite flaggy 1 is fired by white clay crystallite fine powder material and is formed, and plate face is in white, and internal construction is closely knit; Crystallite foaming flaggy 2 is mixed to fire by white clay crystallite fine powder material, admaic earth fine powder material and limestone fines material and forms, and inner in honeycombed structure, centre is lined with steel mesh 3, and steel mesh 3 and plate body are sintered together.
Described crystallite foaming flaggy 2, ingredient comprises white clay 70-50%, admaic earth 30-20%, limestone 20-10%.
Iron network aluminium alloys high-temperature resistant steel mesh selected by described steel mesh 3, and fusing point is greater than 1400 DEG C, and in well shape, arrangement of reinforcement intensity is 3mm ~ 50mm.
Described pure crystallite flaggy 1 thickness 3 ~ 35mm, crystallite foaming flaggy 2 thickness is 3 ~ 600mm.
Embodiment 2:
As shown in Figure 2, a kind of high strength crystallite foaming fire preventing and heat insulating board without pure crystallite flaggy 1 according to utilizing the production technology of white clay production high strength crystallite foaming fire preventing and heat insulating board to produce, the plate body of crystallite foaming flaggy 2 is mixed to fire by white clay crystallite fine powder material, admaic earth fine powder material and limestone fines material and forms, inner in honeycombed structure, centre is lined with steel mesh 3, and steel mesh 3 and plate body are sintered together.
Described crystallite foaming flaggy 2, ingredient comprises white clay 70-50%, admaic earth 30-20%, limestone 20-10%.
Iron network aluminium alloys high-temperature resistant steel mesh selected by described steel mesh 3, and fusing point is greater than 1400 DEG C, and in well shape, arrangement of reinforcement intensity is 3mm ~ 50mm.
The plate body thickness of described crystallite foaming flaggy 2 is 3 ~ 600mm.
Embodiment 3:
As shown in Figure 3, the high strength crystallite foaming fire preventing and heat insulating board that the present invention utilizes the production technology of white clay production high strength crystallite foaming fire preventing and heat insulating board to produce, iron network aluminium alloys high-temperature resistant steel mesh selected by steel mesh 3 in crystallite foaming mixed material layer 2, fusing point is greater than 1400 DEG C, in well shape, arrangement of reinforcement intensity is 3mm ~ 50mm.
Embodiment 4:
The present invention utilizes the production technology of white clay production high strength crystallite foaming fire preventing and heat insulating board, and S2 distributing technique the 2nd step comprises following concrete steps:
A. in the different feed bins of material distributing machine device, load separately the pure crystallite fine powder prepared and crystallite foaming batch mixing fine powder respectively, wait for powder deposition;
B. to be fired in mould at crystallite foaming fire preventing and heat insulating board by material distributing machine successively respectively and carry out cloth:
A. be first distributed into the thick pure crystallite fine powder of first floor 0-35mm firing mold bottom, surface is paved, and namely completes the cloth to pure crystallite flaggy 1;
B. then more than pure crystallite fine-powder bed, fire the assigned address on mould surrounding sidewall, level is fixing lays steel mesh 3;
C. lay crystallite foaming compound fine powder finally by pure crystallite fine-powder bed, it is thick that the bed of material is less than 600mm, and submerge wherein by steel mesh 3, surface is paved, and namely completes the cloth to pure fretting map layer 2.
Embodiment 5:
A kind of high strength crystallite foaming fire preventing and heat insulating board according to utilizing the production technology of white clay production high strength crystallite foaming fire preventing and heat insulating board to produce, pulp furnish is: white clay 70%, admaic earth 20%, limestone 10%, dry density weight is 505kg/ cube, heat conduction destiny 0.20(350 degree), compressive strength 11MPa, fireproof performance be A1 level.
Embodiment 6:
A kind of high strength crystallite foaming fire preventing and heat insulating board according to utilizing the production technology of white clay production high strength crystallite foaming fire preventing and heat insulating board to produce, pulp furnish is: white clay 60%, admaic earth 25%, limestone 15%, dry density weight is 405kg/ cube, heat conduction destiny 0.19(350 degree), compressive strength 7MPa, fireproof performance be A1 level.
Embodiment 7:
A kind of high strength crystallite foaming fire preventing and heat insulating board according to utilizing the production technology of white clay production high strength crystallite foaming fire preventing and heat insulating board to produce, pulp furnish is: white clay 50%, admaic earth 30%, limestone 20%, dry density weight is 305kg/ cube, heat conduction destiny 0.18(350 degree), compressive strength 5MPa, fireproof performance be A1 level.
Claims (7)
1. the high strength crystallite foaming fire preventing and heat insulating board utilizing white clay to produce, is characterized in that: by pure crystallite flaggy (1) with crystallite foaming flaggy (2) is disposable integrally forms by a firing; Pure crystallite flaggy (1) is fired by white clay crystallite fine powder and is formed, and plate face is in white, and internal construction is closely knit; Crystallite foaming flaggy (2) is mixed to fire by white clay crystallite fine powder material, admaic earth fine powder material and limestone fines material and forms, inner in honeycombed structure, centre is lined with steel mesh (3), and steel mesh (3) and plate body are sintered together.
2. utilize the high strength crystallite foaming fire preventing and heat insulating board that white clay is produced as claimed in claim 1, it is characterized in that: the ingredient of crystallite foaming flaggy (2) comprises white clay 70-50%, admaic earth 30-20%, limestone 20-10%.
3. utilize the high strength crystallite foaming fire preventing and heat insulating board that white clay is produced as claimed in claim 1, it is characterized in that: iron network aluminium alloys high-temperature resistant steel mesh selected by steel mesh (3), fusing point is greater than 1400 DEG C, and in well shape, arrangement of reinforcement model is 3mm-50mm.
4. utilize the high strength crystallite foaming fire preventing and heat insulating board that white clay is produced as claimed in claim 1, it is characterized in that: pure crystallite flaggy (1) thickness 3-35mm, crystallite foaming flaggy (2) thickness is 3 ~ 600mm.
5. utilize a production technology for white clay production high strength crystallite foaming fire preventing and heat insulating board, it is characterized in that comprising following processing step:
S1. raw material preparation:
1) prepare pure microcrystal grain: white clay raw material is put into glass melting furnace and is melting into slurry, glass melting temperature at 1500 ~ 1550 DEG C, through fusing, homogenizing, stay-in-grade molten slurry is flowed out through glass melting furnace discharging opening, carry out Water Quenching, make microcrystal grain, then carry out gradation oven dry;
2) prepare admaic earth particle: dried by admaic earth, be broken for particle fragment and powder;
3) limestone particle is prepared: raw limestone is carried out break process, is processed into molecule;
4) pure crystallite fine powder is prepared: white clay microcrystal grain is ground to the small fine powder of 500-700 object through mechanical crushing milling apparatus;
5) crystallite foaming batch mixing fine powder is prepared: white clay microcrystal grain, admaic earth particle and limestone particle being weighed by proportioning mixes, be ground to the small fine powder of 500-700 object through mechanical crushing milling apparatus, it is more even that simultaneous grinding process makes raw material mix;
S2. cloth:
1) the pure crystallite fine powder prepared and crystallite foaming batch mixing fine powder are loaded in material distributing machine separately deposit;
2), after treating pure crystallite fine powder and crystallite foaming batch mixing fine powder deposition, even laying pure crystallite fine powder, steel mesh and crystallite foaming batch mixing fine powder in mould is being fired successively;
S3. fire:
1) mould of firing of good pure for cloth crystallite fine powder, steel mesh and crystallite foaming batch mixing fine powder is sent into and fired kiln, high-temperature heating to 1150 DEG C-1200 DEG C, continue 4-5 hour;
2) the high strength crystallite foaming fire preventing and heat insulating board baked is sent into cooling section in kiln naturally to cool, continue 18-24 hour;
S4. finished product processing: by cooled high strength crystallite foaming fire preventing and heat insulating board, be cut into engineering plate by engineering size.
6. utilize the production technology of white clay production high strength crystallite foaming fire preventing and heat insulating board as claimed in claim 5, it is characterized in that: in crystallite foaming batch mixing fine powder, the percentage by weight of white clay microcrystal grain, admaic earth particle and limestone particle is: white clay microcrystal grain 70-50%, admaic earth particle 30-20%, limestone particle 20-10%.
7. utilize the production technology of white clay production high strength crystallite foaming fire preventing and heat insulating board as claimed in claim 5, it is characterized in that: S2 distributing technique the 2nd step comprises following concrete steps:
A. in the different feed bins of material distributing machine device, load separately the pure crystallite fine powder prepared and crystallite foaming batch mixing fine powder respectively, wait for powder deposition;
B. to be fired in mould at crystallite foaming fire preventing and heat insulating board by material distributing machine successively respectively and carry out cloth:
A. be first distributed into the thick pure crystallite fine powder of first floor 0-35mm firing mold bottom, surface is paved;
B. then more than pure crystallite fine-powder bed, fire the assigned address on mould surrounding sidewall, level is fixing lays steel mesh;
C. lay crystallite foaming compound fine powder finally by pure crystallite fine-powder bed, it is thick that the bed of material is less than 600mm, and submerged by steel mesh wherein, surface is paved.
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| CN201510080622.4A CN104790541B (en) | 2015-02-15 | 2015-02-15 | Utilize the high intensity crystallite foaming fire preventing and heat insulating board and its production technology of white clay production |
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| CN201510080622.4A CN104790541B (en) | 2015-02-15 | 2015-02-15 | Utilize the high intensity crystallite foaming fire preventing and heat insulating board and its production technology of white clay production |
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| CN104790541B CN104790541B (en) | 2018-05-01 |
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