CN102503299B - Expanded-vermiculite-containing building interior fireproof plate and manufacturing method thereof - Google Patents
Expanded-vermiculite-containing building interior fireproof plate and manufacturing method thereof Download PDFInfo
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- CN102503299B CN102503299B CN 201110330710 CN201110330710A CN102503299B CN 102503299 B CN102503299 B CN 102503299B CN 201110330710 CN201110330710 CN 201110330710 CN 201110330710 A CN201110330710 A CN 201110330710A CN 102503299 B CN102503299 B CN 102503299B
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- expanded vermiculite
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- building interior
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- 239000010455 vermiculite Substances 0.000 title claims abstract description 167
- 229910052902 vermiculite Inorganic materials 0.000 title claims abstract description 167
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 164
- 239000000463 material Substances 0.000 claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 150000001875 compounds Chemical class 0.000 claims abstract description 36
- 239000002994 raw material Substances 0.000 claims abstract description 35
- 239000011268 mixed slurry Substances 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 3
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 3
- 235000011116 calcium hydroxide Nutrition 0.000 claims abstract description 3
- 238000000465 moulding Methods 0.000 claims description 38
- 239000003063 flame retardant Substances 0.000 claims description 32
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 26
- 239000011707 mineral Substances 0.000 claims description 26
- 235000010755 mineral Nutrition 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 25
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 24
- 239000000835 fiber Substances 0.000 claims description 22
- 239000011575 calcium Substances 0.000 claims description 20
- 239000000654 additive Substances 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 15
- 230000000996 additive effect Effects 0.000 claims description 14
- 230000003068 static effect Effects 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 12
- 206010013786 Dry skin Diseases 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 229920006395 saturated elastomer Polymers 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 7
- 229910002056 binary alloy Inorganic materials 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- 239000005997 Calcium carbide Substances 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000002893 slag Substances 0.000 claims description 2
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 claims description 2
- 239000002002 slurry Substances 0.000 abstract description 18
- 238000011085 pressure filtration Methods 0.000 abstract description 12
- 230000005855 radiation Effects 0.000 abstract description 12
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 9
- 238000009736 wetting Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract description 5
- 230000000704 physical effect Effects 0.000 abstract description 4
- NGHMEZWZOZEZOH-UHFFFAOYSA-N silicic acid;hydrate Chemical compound O.O[Si](O)(O)O NGHMEZWZOZEZOH-UHFFFAOYSA-N 0.000 abstract 2
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 238000013329 compounding Methods 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 238000010025 steaming Methods 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 239000000378 calcium silicate Substances 0.000 description 26
- 229910052918 calcium silicate Inorganic materials 0.000 description 26
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 26
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 description 16
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 12
- 241000446313 Lamella Species 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 239000004567 concrete Substances 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 8
- 238000001027 hydrothermal synthesis Methods 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000011514 reflex Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 230000006578 abscission Effects 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- -1 dry hydrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001007 puffing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Abstract
The invention relates to an expanded-vermiculite-containing building interior fireproof plate and a manufacturing method thereof. The manufacturing method comprises the following steps of: mixing a Ca(OH)2 raw material, a SiO2 raw material and water to form mixed slurry; pre-wetting expanded vermiculite by using water to form pre-wetted expanded vermiculite; mixing and uniformly stirring the mixed slurry and the pre-wetted expanded vermiculite to form compound slurry; performing pressure filtration on the compound slurry to form a raw blank forming body; steaming and pressing the raw blank forming body to form a cooked blank forming body; and drying the cooked blank forming body to form the fireproof plate. According to the expanded-vermiculite-containing building interior fireproof plateand the manufacturing method thereof in the embodiment of the invention, a novel fireproof plate is obtained by compounding the expanded vermiculite and high temperature silicic acid hydrate in situ,a material has a good thermal insulation function by using the shielding effect of the expanded vermiculite on high temperature thermal radiation rays, and has a high fireproof grade by using the fireproof property of the high temperature silicic acid hydrate, and the physical property of the material is effectively improved.
Description
Technical field
The present invention relates to the fire-retardant material field, relate in particular to a kind of building interior trim fire-retardant material and manufacture method thereof that contains expanded vermiculite.
Background technology
Vermiculite be a kind of be rich in middle water contain the zeopan mineral, when sharply heating for 500 ℃～900 ℃, can produce expand at interlayer, make chemical bond constraint between vermiculite nano lamella abscission layer, the nanometer sheet interlamellar spacing expands to several nanometers even several millimeters by original several dusts.Because the vermiculite nano lamella in the expanded vermiculite has tangible bridging effect to the high temperature heat radiation line, thereby show excellent heat insulating function.
Yet existing relevant expanded vermiculite all is to adopt inorganic or organic binding agent that expanded vermiculite is bondd as the fire-retardant material aspect.As patent of invention " fire retardant module that fire-retardant material and this material are made and PLASTIC LAMINATED (ZL 200610114013.7) ", the patent of invention " composite environment-protection fire-retardant wall plate (ZL02134043.9) " of having authorized, and invention disclosed patent " PLASTIC LAMINATED (CN1178857A) ", patent of invention " thermal insulating and fire-proof vermiculite decorative board (CN1149011A) " etc.Because the thermal conductivity of binding agent itself is too high, causes the overall thermal conductivity of fire-retardant material higher.Add adhesive properties and limit, PLASTIC LAMINATED or density is big, otherwise intensity is low.Common water glass is in conjunction with the expanded vermiculite PLASTIC LAMINATED, because the hygroscopic effect of water glass also causes the strength of materials to descend, and flexural deformation, influence is used.
Summary of the invention
The embodiment of the invention relates to a kind of building interior trim fire-proof board and manufacture method thereof that contains expanded vermiculite, obtain a kind of novel fire-retardant material with expanded vermiculite and high temperature calcium silicate hydrate are compound, utilize expanded vermiculite to make material have excellent heat insulating function to the bridging effect of high temperature heat radiation line, utilize the fire resistance of high temperature calcium silicate hydrate simultaneously, make material have higher fire-protection rating.
The embodiment of the invention provides a kind of manufacture method that contains the building interior trim fire-proof board of expanded vermiculite, and described manufacture method comprises: with Ca (OH)
2Raw material and SiO
2Raw material and water mix, and form mixed slurry; The expanded vermiculite water is prewetted, form the expanded vermiculite of prewetting; Described mixed slurry and the described expanded vermiculite mixing and stirring of prewetting form compound slip; Described compound slip press filtration forms the green compact molding; Described green compact molding is steamed pressure form ripe base molding; Described ripe base molding is carried out drying form fire-retardant material.
The embodiment of the invention also provides a kind of building interior trim fire-proof board that contains expanded vermiculite according to above-mentioned manufacture method preparation.
The building interior trim fire-proof board and the manufacture method thereof that contain expanded vermiculite of the embodiment of the invention, obtain a kind of novel fire-retardant material by expanded vermiculite and high temperature calcium silicate hydrate being carried out original position after compound, utilize expanded vermiculite to make material have excellent heat insulating function to the bridging effect of high temperature heat radiation line, utilize the fire resistance of high temperature calcium silicate hydrate simultaneously, make material have higher fire-protection rating, effectively improved the physicals of material.
Description of drawings
Fig. 1 is the schema of the manufacture method of the building interior trim fire-proof board that contains expanded vermiculite of the embodiment of the invention.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
The embodiment of the invention has proposed a kind of manufacture method that contains the building interior trim fire-proof board of expanded vermiculite, calcareous material and siliceous material is added in a certain amount of water be mixed and made into mixed slurry; Expanded vermiculite is prewetted with a certain amount of water; With mixed slurry and prewet after the expanded vermiculite mixing and stirring, form compound slip; Compound slip is injected prefabricated mould carry out pressure filtration molding, the green compact molding of pressure filtration molding is put into static horizontal high-pressure still steam the ripe base molding of pressure reaction formation; Ripe base molding is dried to water ratio below 5% in 100 ℃～200 ℃, becomes a kind of building interior trim fire-proof board that contains expanded vermiculite.
Fig. 1 is the schema of the making method of the building interior trim fire-proof board that contains expanded vermiculite of the embodiment of the invention, and as shown in Figure 1, the making method of the building interior trim fire-proof board that contains expanded vermiculite of the embodiment of the invention specifically comprises the steps:
Step 101 is with Ca (OH)
2Raw material and SiO
2Raw material and water mix, and form mixed slurry; The expanded vermiculite water is prewetted, form the expanded vermiculite of prewetting;
In this step, with calcareous raw material and the siliceous raw material mixed according to calcium/silicon mol ratio about 0.8～1.5, add the water of 0.9～1.2 times of about calcareous raw material and siliceous raw material gross weight, mix and obtain calcareous raw material and siliceous raw material mixed slurry.
Calcareous raw material in the embodiment of the invention is Ca (OH)
2Fine powder is as slaked lime powder, dry hydrate, calcium carbide ground-slag etc.; Siliceous raw material is SiO
2Fine powder is as levigate silica powder, natural powdery quartz, diatomite etc.
Need to prove, in a preferred version of this step, can also add the intensity that mineral additive is used for improving fire-retardant material, reduce the material at high temperature shrinking percentage simultaneously.The mineral additive that adds is CaO-SiO
2Binary system or MgO-SiO
2The mixture of the natural mineral of binary system or synthetic mineral.
Can also add fortifying fibre for increasing the intensity of fire-retardant material in a preferred version of this step, fortifying fibre is natural plant fibre or cellulosic fibre etc.
Be that 0.3mm～1mm grade small-particle primary mineral of vermiculite is 500 ℃～900 ℃ expanded the forming of rapid heating with expanded vermiculite, the expanded vermiculite loose bulk density is 200kg/m
3～300kg/m
3Expanded vermiculite after the heating while puffing is cooled to normal temperature, with the water of 1.4～2.0 times of about expanded vermiculite weight expanded vermiculite is prewetted then.
Step 102, mixed slurry and the expanded vermiculite mixing and stirring of prewetting form compound slip;
In this step, the expanded vermiculite of prewetting is added in calcareous raw material and the siliceous raw material mixed slurry, and stir and obtain the compound slip of expanded vermiculite and calcareous raw material and siliceous raw material.Do not calculate the weight of water in the compound slip, calcareous raw material and siliceous raw material and described expanded vermiculite by mass percentage, material mixture ratio is, described calcareous material and siliceous material content are 20%～50%, described expanded vermiculite content is 40%～80%.
Step 103, compound slip press filtration forms the green compact molding;
In this step, the compound slip that mixes is injected prefabricated mould, and with pressure filtration molding under 1.0MPa～4.0MPa pressure, the demoulding obtains the green compact molding.To filter the remaining water in back and return the repeated use of 102 steps.
Step 104 is steamed pressure with the green compact molding and is formed ripe base molding;
The green compact molding is put into static horizontal high-pressure still, in 180 ℃～220 ℃, the saturated vapor pressure of 1.0MPa～2.4MPa, carry out 5h～16h and steam and press reaction to form described ripe base molding.
In static horizontal high-pressure still, calcareous and siliceous raw material at first carries out the static hydrothermal building-up reactions and generates the high temperature calcium silicate hydrate, and it is compound that high temperature calcium silicate hydrate and expanded vermiculite carry out original position, generates ripe base molding.
It is a kind of expanded vermiculite and high temperature calcium silicate hydrate composite fire-proof material that high temperature calcium silicate hydrate and expanded vermiculite carry out the ripe base molding that original position obtains after compound.This expanded vermiculite and high temperature calcium silicate hydrate composite fire-proof material take full advantage of expanded vermiculite nanometer lamella to the reflex action of high temperature heat radiation and the anti-fire action of high temperature calcium silicate hydrate, and the two is combined, and have complementary advantages.Expanded vermiculite is played a supporting role as aggregate in fire-retardant material, has reduced fire-retardant material volumetric shrinkage at high temperature; The vermiculite nano lamella has bridging effect to the high temperature heat radiation line simultaneously, has effectively improved the heat-proof quality of fire-retardant material in hot environment; High temperature calcium silicate hydrate and expanded vermiculite combine by the original position complex reaction, have significantly improved the intensity of fire-retardant material, and need not to add any additives, have improved the physicals of material.
Step 105 is carried out drying with ripe base molding.
Ripe base molding is obtained the dry body molding after 100 ℃ of-200 ℃ of dryings, at last with the polishing of dry body molding process, obtain expanded vermiculite and the high temperature calcium silicate hydrate composite fire-proof material of the embodiment of the invention.
The embodiment of the invention has also proposed a kind of building interior trim fire-proof board that contains expanded vermiculite according to method for preparing, and the building interior trim fire-proof board that contains expanded vermiculite of the embodiment of the invention carries out compound a kind of expanded vermiculite and the high temperature calcium silicate hydrate composite fire-proof material of obtaining of original position with expanded vermiculite and high temperature calcium silicate hydrate.This expanded vermiculite and high temperature calcium silicate hydrate composite fire-proof material take full advantage of expanded vermiculite nanometer lamella to the reflex action of high temperature heat radiation and the anti-fire action of high temperature calcium silicate hydrate, and the two is combined, and have complementary advantages.Expanded vermiculite is played a supporting role as aggregate in fire-retardant material, has reduced fire-retardant material volumetric shrinkage at high temperature; The vermiculite nano lamella has bridging effect to the high temperature heat radiation line simultaneously, has effectively improved the heat-proof quality of building interior trim fire-proof board in hot environment that contains expanded vermiculite; High temperature calcium silicate hydrate and expanded vermiculite combine by the original position complex reaction, have significantly improved the intensity of the building interior trim fire-proof board that contains expanded vermiculite, and need not to add any additives, have improved the physical property of material.Simultaneously the building interior trim fire-proof board that contains expanded vermiculite of the embodiment of the invention through the high-temperature water thermal process, has guaranteed the stable of material property, distortion such as can not be distorted, and degradation production at high temperature is water vapor and a spot of CO
2, no toxic gas is emitted.
The embodiment of the invention one
It is expanded that primary mineral of vermiculite uses 0.3mm～1mm grade particle to carry out rapid heating at 900 ℃, and the formation loose bulk density is 210kg/m
3Expanded vermiculite.43.9% 300 order Ca (OH) by weight percentage
2Fine powder, 36.1% 300 order natural powdery quartzs, its CaO/SiO
2Mol ratio 1.05, and add the water that accounts for 0.9 times of these solid weight, be mixed to calcium silicon raw slurry and be uniformly dispersed.By weight percentage 20% expanded vermiculite wetting with 1.4 times of water spray after, with calcium silicon raw slurry with prewet the expanded vermiculite mixing and stirring, form compound slip.With compound slip in mould with pressure filtration molding under the 1.0MPa pressure, obtain green compact.Green compact are static hydrothermal reaction 6 hours under 210 ℃ of saturated vapor pressure in autoclave, forms ripe base.Ripe base is polished through cutting edge after 150 ℃ of dryings, form the fire-proof board sample of 2440 * 1220 * 10mm.
Table 1 is the explanatory view of the every performance of building interior trim fire-proof board that contains expanded vermiculite of the present invention's first specific embodiment, every performance of the building interior trim fire-proof board that contains expanded vermiculite of the present invention's first specific embodiment as shown in table 1 all satisfies the demand of Building Fire Protection, the concrete building interior trim fire-proof board of implementing that contains expanded vermiculite of the present invention first utilizes expanded vermiculite nanometer lamella that the reflex action of high temperature heat radiation is made that the thermal conductivity of fire-retardant material when high temperature (500 ℃) is still very low, makes material at high temperature have excellent heat insulation property; Simultaneously because the anti-fire action of high temperature calcium silicate hydrate, make the fire-protection rating of the building interior trim fire-proof board that contains expanded vermiculite of the embodiment of the invention arrive the A1 level, reach the highest fire-protection rating of present building heat preservation field fire-retardant material; The building interior trim fire-proof board that contains expanded vermiculite in the present invention's first specific embodiment utilizes expanded vermiculite and high temperature calcium silicate hydrate original position complex reaction to strengthen the intensity of fire-retardant material, no any organic and inorganic additive in the making processes, material realizes that in use green non-pollution, no any formaldehyde discharge, and can not work the mischief to healthy.
The explanatory view of the every performance of building interior trim fire-proof board that contains expanded vermiculite of table 1 the present invention first specific embodiment
The embodiment of the invention two
It is expanded that primary mineral of vermiculite uses 0.3mm～1mm grade particle to carry out rapid heating at 900 ℃, and the formation loose bulk density is 210kg/m
3Expanded vermiculite.26.7% 300 order Ca (OH) by weight percentage
2Fine powder, 23.3% 300 order natural powdery quartzs, its CaO/SiO
2Mol ratio 1.02, and add the water that accounts for 1.0 times of these solid weights, be mixed to calcium silicon raw slurry and be uniformly dispersed.By weight percentage 50% expanded vermiculite wetting with 1.6 times of water spray after, with calcium silicon raw slurry with prewet the expanded vermiculite mixing and stirring, form compound slip.With compound slip in mould with pressure filtration molding under the 1.0MPa pressure, obtain green compact.Green compact are static hydrothermal reaction 6 hours under 210 ℃ of saturated vapor pressure in autoclave, forms ripe base.Ripe base is polished through cutting edge after 150 ℃ of dryings, form the fire-proof board sample of 2440 * 1220 * 10mm.
Table 2 is the explanatory view of the every performance of building interior trim fire-proof board that contains expanded vermiculite of the present invention's second specific embodiment, every performance of the building interior trim fire-proof board that contains expanded vermiculite of the present invention's second specific embodiment as shown in table 2 all satisfies the demand of Building Fire Protection, the concrete building interior trim fire-proof board of implementing that contains expanded vermiculite of the present invention second utilizes expanded vermiculite nanometer lamella that the reflex action of high temperature heat radiation is made that the thermal conductivity of fire-retardant material when high temperature (500 ℃) is still very low, makes material at high temperature have excellent heat insulation property; Simultaneously because the anti-fire action of high temperature calcium silicate hydrate, make the fire-protection rating of the building interior trim fire-proof board that contains expanded vermiculite of the embodiment of the invention arrive the A1 level, reach the highest fire-protection rating of present building heat preservation field fire-retardant material; The building interior trim fire-proof board that contains expanded vermiculite in the present invention's second specific embodiment utilizes expanded vermiculite and high temperature calcium silicate hydrate original position complex reaction to strengthen the intensity of fire-retardant material, no any organic and inorganic additive in the making processes, material realizes that in use green non-pollution, no any formaldehyde discharge, and can not work the mischief to healthy.
The explanatory view of the every performance of building interior trim fire-proof board that contains expanded vermiculite of table 2 the present invention second specific embodiment
The embodiment of the invention three
It is expanded that primary mineral of vermiculite uses 0.3mm～1mm grade particle to carry out rapid heating at 900 ℃, and the formation loose bulk density is 210kg/m
3Expanded vermiculite.38.9% 300 order Ca (OH) by weight percentage
2Fine powder, 31.1% 300 order natural powdery quartzs, its CaO/SiO
2Mol ratio 1.00, and add the water that accounts for 1.2 times of these solid weights, be mixed to calcium silicon raw slurry and be uniformly dispersed.By weight percentage 25% expanded vermiculite wetting with 2.0 times of water spray after, with calcium silicon raw slurry with prewet the expanded vermiculite mixing and stirring, form compound slip.With compound slip in mould with pressure filtration molding under the 4.0MPa pressure, obtain green compact.Green compact are static hydrothermal reaction 6 hours under 210 ℃ of saturated vapor pressure in autoclave, forms ripe base.Ripe base is polished through cutting edge after 150 ℃ of dryings, form the fire-proof board sample of 2440 * 1220 * 10mm.
Table 3 is the explanatory view of the every performance of building interior trim fire-proof board that contains expanded vermiculite of the present invention's the 3rd specific embodiment, every performance of the building interior trim fire-proof board that contains expanded vermiculite of the present invention's the 3rd specific embodiment as shown in table 3 all satisfies the demand of Building Fire Protection, the concrete building interior trim fire-proof board of implementing that contains expanded vermiculite of the present invention the 3rd utilizes expanded vermiculite nanometer lamella that the reflex action of high temperature heat radiation is made that the thermal conductivity of fire-retardant material when high temperature (500 ℃) is still very low, makes material at high temperature have excellent heat insulation property; Simultaneously because the anti-fire action of high temperature calcium silicate hydrate, make the fire-protection rating of the building interior trim fire-proof board that contains expanded vermiculite of the embodiment of the invention arrive the A1 level, reach the highest fire-protection rating of present building heat preservation field fire-retardant material; The building interior trim fire-proof board that contains expanded vermiculite in the present invention's the 3rd specific embodiment utilizes expanded vermiculite and high temperature calcium silicate hydrate original position complex reaction to strengthen the intensity of the building interior trim fire-proof board that contains expanded vermiculite, no any organic and inorganic additive in the making processes, material realizes that in use green non-pollution, no any formaldehyde discharge, and can not work the mischief to healthy.
The explanatory view of the every performance of building interior trim fire-proof board that contains expanded vermiculite of table 3 the present invention the 3rd specific embodiment
The embodiment of the invention four
It is expanded that primary mineral of vermiculite uses 0.3mm～1mm grade particle to carry out rapid heating at 900 ℃, and the formation loose bulk density is 210kg/m
3Expanded vermiculite.38.9% 300 order Ca (OH) by weight percentage
2Fine powder, 31.1% 300 order natural powdery quartzs, CaO/SiO
2Mol ratio 1.00 with 5% cellulosic fibre, and adds the water that accounts for 1.0 times of these solid weights, is mixed to fiber and disperses in calcium silicon raw slurry fully.By weight percentage 25% expanded vermiculite wetting with 1.6 times of water spray after, with calcium silicon raw slurry with prewet the expanded vermiculite mixing and stirring, form compound slip.With compound slip in mould with pressure filtration molding under the 1.0MPa pressure, obtain green compact.Green compact are static hydrothermal reaction 6 hours under 220 ℃ of saturated vapor pressure in autoclave, forms ripe base.Ripe base is polished through cutting edge after 150 ℃ of dryings, form the fire-proof board sample of 2440 * 1220 * 10mm.
Table 4 is the explanatory view of the every performance of building interior trim fire-proof board that contains expanded vermiculite of the present invention's the 4th specific embodiment, every performance of the building interior trim fire-proof board that contains expanded vermiculite of the present invention's the 4th specific embodiment as shown in table 4 all satisfies the demand of Building Fire Protection, the present invention's the 4th concrete building interior trim fire-proof board of implementing that contains expanded vermiculite has increased fortifying fibre in material, further improved folding strength and the ultimate compression strength of material.
Table 4 is the explanatory view of the every performance of building interior trim fire-proof board that contains expanded vermiculite of the present invention's the 4th specific embodiment
The embodiment of the invention five
It is expanded that primary mineral of vermiculite uses 0.3mm～1mm grade particle to carry out rapid heating at 900 ℃, and the formation loose bulk density is 210kg/m
3Expanded vermiculite.37.4% 300 order Ca (OH) by weight percentage
2Fine powder, 27.6% 300 order natural powdery quartzs, CaO/SiO
2Mol ratio 0.80 with 10% cellulosic fibre, and adds the water that accounts for 1.0 times of these solid weights, is mixed to fiber and disperses in calcium silicon raw slurry fully.By weight percentage 25% expanded vermiculite wetting with 1.6 times of water spray after, with calcium silicon raw slurry with prewet the expanded vermiculite mixing and stirring, form compound slip.With compound slip in mould with pressure filtration molding under the 1.0MPa pressure, obtain green compact.Green compact are static hydrothermal reaction 6 hours under 180 ℃ of saturated vapor pressure in autoclave, forms ripe base.Ripe base is polished through cutting edge after 150 ℃ of dryings, form the fire-proof board sample of 2440 * 1220 * 10mm.
Table 5 is the explanatory view of the every performance of building interior trim fire-proof board that contains expanded vermiculite of the present invention's the 5th specific embodiment, every performance of the building interior trim fire-proof board that contains expanded vermiculite of the present invention's the 5th specific embodiment as shown in table 5 all satisfies the demand of Building Fire Protection, the present invention's the 5th concrete building interior trim fire-proof board of implementing that contains expanded vermiculite has increased fortifying fibre in material, further improved folding strength and the ultimate compression strength of material.But the increasing amount of fiber can not be too many, and fiber can shine into fiber too much and be difficult for being uniformly dispersed in material, causes material thermal conductivity to raise.The addition of fiber should be less than 10% in the expanded vermiculite of the embodiment of the invention and the high temperature calcium silicate hydrate mixing material.
Table 5 is the explanatory view of the every performance of building interior trim fire-proof board that contains expanded vermiculite of the present invention's the 5th specific embodiment,
The embodiment of the invention six
It is expanded that primary mineral of vermiculite uses 0.3mm～1mm grade particle to carry out rapid heating at 500 ℃, and the formation loose bulk density is 210kg/m
3Expanded vermiculite.33.3% 300 order Ca (OH) by weight percentage
2Fine powder, 26.7% 300 order natural powdery quartzs, CaO/SiO
2Mol ratio 1.00 is with 5% CaO-SiO
2Two component system natural mineral, 5% cellulosic fibre, and add the water that accounts for 1.2 times of these solid weights, be mixed to fiber and in calcium silicon raw slurry, disperse fully.By weight percentage 30% expanded vermiculite wetting with 1.6 times of water spray after, with calcium silicon raw slurry with prewet the expanded vermiculite mixing and stirring, form compound slip.With compound slip in mould with pressure filtration molding under the 3.0MPa pressure, obtain green compact.Green compact are static hydrothermal reaction 10 hours under 205 ℃～215 ℃ saturated vapor pressure in autoclave, forms ripe base.Ripe base is polished through cutting edge after 150 ℃ of dryings, form the fire-proof board sample of 2440 * 1220 * 10mm.
Table 6 is the explanatory view of the every performance of building interior trim fire-proof board that contains expanded vermiculite of the present invention's the 6th specific embodiment, every performance of the building interior trim fire-proof board that contains expanded vermiculite of the present invention's the 6th specific embodiment as shown in table 6 all satisfies the demand of Building Fire Protection, the present invention's the 6th concrete building interior trim fire-proof board of implementing that contains expanded vermiculite has increased mineral additive in material, further improve the intensity of material, reduced the high volume shrinking percentage of material simultaneously.Test result shows that the building interior trim fire-proof board that contains expanded vermiculite of the present invention's the 6th specific embodiment has excellent performance, is a kind of good inorganic fireproof material.
Table 6 is the explanatory view of the every performance of building interior trim fire-proof board that contains expanded vermiculite of the present invention's the 6th specific embodiment
The embodiment of the invention seven
It is expanded that primary mineral of vermiculite uses 0.3mm～1mm grade particle to carry out rapid heating at 500 ℃, and the formation loose bulk density is 210kg/m
3Expanded vermiculite.33.3% 300 order Ca (OH) by weight percentage
2Fine powder, 26.7% 300 order natural powdery quartzs, CaO/SiO
2Mol ratio 1.00 is with 15% CaO-SiO
2Two component system natural mineral, 5% cellulosic fibre, and add the water that accounts for 1.2 times of these solid weights, be mixed to fiber and in calcium silicon raw slurry, disperse fully.By weight percentage 20% expanded vermiculite wetting with 2.0 times of water spray after, with calcium silicon raw slurry with prewet the expanded vermiculite mixing and stirring, form compound slip.With compound slip in mould with pressure filtration molding under the 4.0MPa pressure, obtain green compact.Green compact are static hydrothermal reaction 10 hours under 205-215 ℃ of saturated vapor pressure in autoclave, forms ripe base.Ripe base is polished through cutting edge after 150 ℃ of dryings, form the fire-proof board sample of 2440 * 1220 * 10mm.
Table 7 is the explanatory view of the every performance of building interior trim fire-proof board that contains expanded vermiculite of the present invention's the 7th specific embodiment, every performance of the building interior trim fire-proof board that contains expanded vermiculite of the present invention's the 7th specific embodiment as shown in table 7 all satisfies the demand of Building Fire Protection, the present invention's the 7th concrete building interior trim fire-proof board of implementing that contains expanded vermiculite has increased mineral additive in material, further improved the intensity of material, reduce the high volume shrinking percentage of material simultaneously, but the content of mineral additive is difficult for too many, it is excessive that the content of mineral additive can shine into density of material too much, thermal conductivity raises, and influences material property.The mineral content of additive is not more than 15% in the embodiment of the invention.
Table 7 is the explanatory view of the every performance of building interior trim fire-proof board that contains expanded vermiculite of the present invention's the 7th specific embodiment
The embodiment of the invention eight
It is expanded that primary mineral of vermiculite uses 0.3mm～1mm grade particle to carry out rapid heating at 850 ℃, and the formation loose bulk density is 250kg/m
3Expanded vermiculite.30.0% 300 order Ca (OH) by weight percentage
2Fine powder, 32.0% the levigate silica powder of 325 orders, CaO/SiO
2Mol ratio 0.83 with 5% cellulosic fibre, and adds the water that accounts for 1.1 times of these solid weights, is mixed to fiber and disperses in calcium silicon raw slurry fully.By weight percentage 30% expanded vermiculite wetting with 1.5 times of water spray after, with calcium silicon raw slurry with prewet the expanded vermiculite mixing and stirring, form compound slip.With compound slip in mould with pressure filtration molding under the 1.0MPa pressure, obtain green compact.Green compact are static hydrothermal reaction 12 hours under 180 ℃～200 ℃ saturated vapor pressure in autoclave, forms ripe base.Ripe base is polished through cutting edge after 180 ℃ of dryings, form the fire-proof board sample of 2440 * 1220 * 10mm.
Table 8 is the explanatory view of the every performance of building interior trim fire-proof board that contains expanded vermiculite of the present invention's the 8th specific embodiment, every performance of the building interior trim fire-proof board that contains expanded vermiculite of the present invention's the 8th specific embodiment as shown in table 8 all satisfies the demand of Building Fire Protection, the concrete building interior trim fire-proof board of implementing that contains expanded vermiculite of the present invention the 8th utilizes expanded vermiculite nanometer lamella that the reflex action of high temperature heat radiation is made that the thermal conductivity of fire-retardant material when high temperature (500 ℃) is still very low, makes material at high temperature have excellent heat insulation property; Simultaneously because the anti-fire action of high temperature calcium silicate hydrate, make the fire-protection rating of fire-retardant material of the embodiment of the invention arrive the A1 level, reach the highest fire-protection rating of present building heat preservation fire prevention field fire-retardant material; The building interior trim fire-proof board that contains expanded vermiculite in the present invention's the 8th specific embodiment utilizes expanded vermiculite and high temperature calcium silicate hydrate original position complex reaction to strengthen the intensity of fire-retardant material, no any organic and inorganic additive in the making processes, material realizes that in use green non-pollution, no any formaldehyde discharge, and can not work the mischief to healthy.
Table 8 is the explanatory view of the every performance of building interior trim fire-proof board that contains expanded vermiculite of the present invention's the 8th specific embodiment
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. manufacture method that contains the building interior trim fire-proof board of expanded vermiculite is characterized in that described manufacture method comprises:
With Ca (OH)
2Raw material and SiO
2Raw material and water mix, and form mixed slurry; The expanded vermiculite water is prewetted, form the expanded vermiculite of prewetting;
Described mixed slurry and the described expanded vermiculite mixing and stirring of prewetting form compound slip;
Described compound slip press filtration forms the green compact molding;
Described green compact molding is steamed pressure form ripe base molding;
Described ripe base molding is carried out drying form fire-retardant material;
Described with described Ca (OH)
2Raw material and SiO
2Raw material and water mix by weight, the described Ca of a weight part (OH)
2Raw material and SiO
2The raw material sum is to the water of 0.9～1.2 weight part; Described expanded vermiculite water is prewetted by weight, and the described expanded vermiculite of a weight part is to 1.4～2.0 parts water;
Ca (OH) in the described compound slip
2Raw material and SiO
2Raw material and described expanded vermiculite by mass percentage, material mixture ratio is described Ca (OH)
2Raw material and SiO
2The content of raw material sum is 40%～80%, and described expanded vermiculite content is 20%～60%;
Described Ca (OH)
2Raw material and SiO
2The raw material proportioning is that the calcium/silicon mol ratio in the described mixed slurry is between 0.80～1.05;
Described expanded vermiculite is that 0.3mm～1mm grade primary mineral of vermiculite is 500 ℃～900 ℃ expanded the forming of rapid heating.
2. contain the manufacture method of the building interior trim fire-proof board of expanded vermiculite according to claim 1, it is characterized in that, described Ca (OH)
2Raw material is selected from a kind of or composition material of slaked lime powder or calcium carbide ground-slag;
Described SiO
2Raw material is selected from levigate silica powder, natural powdery quartz or diatomaceous a kind of or arbitrary combination material.
3. contain the manufacture method of the building interior trim fire-proof board of expanded vermiculite according to claim 1, it is characterized in that, described compound slip is become described green compact molding with press filtration under 1.0MPa～4.0MPa pressure in prefabricated mould; Described green compact molding is put into static horizontal high-pressure still, in 180 ℃～220 ℃, the saturated vapor pressure of 10MPa～2.4MPa, carries out 5h～16h and steam and press reaction to form described ripe base molding, will described ripe base molding in 100 ℃～200 ℃ dryings down.
4. contain the manufacture method of the building interior trim fire-proof board of expanded vermiculite according to claim 1, it is characterized in that, add mineral additive in the mixed slurry, described mineral additive is CaO-SiO
2Binary system or MgO-SiO
2The mixture of the natural or synthetic mineral of binary system, the addition of described mineral additive is 0～15% of solid masses by mass.
5. contain the manufacture method of the building interior trim fire-proof board of expanded vermiculite according to claim 1, it is characterized in that, adding cellulosic fibre in the mixed slurry increases fire-retardant material intensity, and the addition of described cellulosic fibre is 0～10% of solid masses by mass.
6. prepared building interior trim fire-proof board that contains expanded vermiculite of the method according to above-mentioned each claim.
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| CN 201110330710 CN102503299B (en) | 2011-10-27 | 2011-10-27 | Expanded-vermiculite-containing building interior fireproof plate and manufacturing method thereof |
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| CN104418557B (en) * | 2013-09-05 | 2016-02-10 | 上海斯米克健康环境技术有限公司 | A kind of high-strength light vermiculite calcium silicate board and preparation method thereof |
| CN104446438A (en) * | 2014-10-31 | 2015-03-25 | 无锡阳工机械制造有限公司 | Sandblast adiabatic material for thermal-insulation inner wall anti-adhesion coating |
| CN106083179A (en) * | 2016-06-16 | 2016-11-09 | 逄红国 | A kind of vermiculite composite diatomite water suction foot pad and preparation method thereof |
| CN108069673B (en) * | 2016-11-17 | 2021-06-22 | 中国科学院过程工程研究所 | Calcium silicate fireproof plate and preparation method thereof |
| HRP20221009T1 (en) * | 2019-05-22 | 2022-11-11 | Knauf Aquapanel Gmbh | Building panel with high fire resistance |
| WO2022234746A1 (en) * | 2021-05-06 | 2022-11-10 | 阿波製紙株式会社 | Inorganic powder sheet and manufacturing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1307083A (en) * | 2000-01-24 | 2001-08-08 | 莱州明发隔热材料有限公司 | Method for mfg. thermal insulation and fireproof calcium silicate material |
| CN1408671A (en) * | 2002-10-11 | 2003-04-09 | 莱州祥云防火隔热材料有限公司 | Process for producing high temperature resistant, high strength and high density calcium silicate plate |
| CN101554791A (en) * | 2009-05-19 | 2009-10-14 | 佛山市冠富蛭石制品有限公司 | Composite board of nano silicon dioxide and expanded vermiculite and manufacturing method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307083A (en) * | 2000-01-24 | 2001-08-08 | 莱州明发隔热材料有限公司 | Method for mfg. thermal insulation and fireproof calcium silicate material |
| CN1408671A (en) * | 2002-10-11 | 2003-04-09 | 莱州祥云防火隔热材料有限公司 | Process for producing high temperature resistant, high strength and high density calcium silicate plate |
| CN101554791A (en) * | 2009-05-19 | 2009-10-14 | 佛山市冠富蛭石制品有限公司 | Composite board of nano silicon dioxide and expanded vermiculite and manufacturing method thereof |
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