CN110204297A - A kind of quartzite vacuum plate and its preparation process - Google Patents
A kind of quartzite vacuum plate and its preparation process Download PDFInfo
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- CN110204297A CN110204297A CN201910435047.3A CN201910435047A CN110204297A CN 110204297 A CN110204297 A CN 110204297A CN 201910435047 A CN201910435047 A CN 201910435047A CN 110204297 A CN110204297 A CN 110204297A
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- quartzite
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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Abstract
The invention discloses a kind of quartzite vacuum plate and its preparation processes, are related to insulation board technical field, solve because insulation board internal combustion is poor, are easy to happen cracking, and lead to its integral heat insulation and the bad problem of flame retardant effect.A kind of quartzite vacuum plate comprising active mineral admixture, exciting agent, porous aggregate, EPS particle, shoddy, wood fibre and isooctyltriethoxysilane, and ratio of each component in plate are as follows: active mineral admixture 80-160kg/m3；Exciting agent 10-30kg/m3；Porous aggregate 10-30kg/m3；EPS particle 6-12kg/m3；Shoddy 3-5kg/m3；Wood fibre 0.4-0.8kg/m3；Isooctyltriethoxysilane 0.1-0.3kg/m3.The inside of quartzite vacuum plate has good associativity in the present invention, and is not susceptible to crack in use, whole to have good heat preservation and flame retardant effect.
Description
Technical field
The present invention relates to insulation board technical fields, more specifically, it relates to a kind of quartzite vacuum plate and its preparation work
Skill.
Background technique
Building heat preservation is most important for improving comfortable for living and the social energy consumption of reduction, in total building energy consumption, passes through
The transmitting of wall heat and the energy consumption lost accounts for 60% or more, therefore excellent external-wall heat-insulation material building energy conservation emission reduction is to Guan Chong
It wants.Insulation board is to add other supplementary materials and poly inclusion by raw material of polystyrene resin, mixes while injecting by heating
Catalyst, then extrusion molding extrusion molding and the rigid foam plate that manufactures.
Traditional exterior-wall heat insulation be broadly divided into adhesive powder-polystyrene granule thermal insulation mortar, inorganic heat insulation mortar, cement board,
EPS insulation board external wall heat insulation system, modified EPS insulation board external wall heat insulation system, rock wool external insulation system etc..In publication number
To disclose Polystyrene-asbestoscomposite composite thermal insulation board in the Chinese invention application documents of CN103420659A, in parts by weight,
It is by 35~45% granules of polystyrene, 35~45% asbestos particles, 5~8% sulphate aluminium cements, 5~8% lime stone-gypsums
Powder, 5~10% polymer, 2~8% low alkali glass fibers are stirred through water, are put into compression moulding in template.
In above-mentioned patent application document, using polystyrene-asbestos material by being bonded into insulation construction, effectively control is built
It builds object thermal energy consumption, and smokeless nontoxic, bears a heavy burden to wall light, but be main binding by polystyrene with sulphate aluminium cement
Grain is combined with asbestos particles, causes its internal integral coherence poor, when cement is generated in aquation and dry dehydration
Slurry is shunk, and is easy to cause insulation board to crack, into causing insulation board integral heat insulation and flame retardant effect bad, therefore, it is necessary to mention
A kind of new scheme solves the above problems out.
Summary of the invention
For the prior art exist in because insulation board internal combustion is poor, be easy to happen cracking, and lead to its whole guarantor
The bad problem of mild flame retardant effect, the purpose of the present invention one are to provide a kind of quartzite vacuum plate, by the way that iso-octyl is added
Triethoxysilane and wood fibre, and it is made to play the role of good compound synergic between each other, it is asked with solving above-mentioned technology
Topic, it is internal that there is good associativity, and be not susceptible to crack in use, it is whole with good heat preservation and fire-retardant
Effect.
To achieve the above object one, the present invention provides the following technical scheme that
A kind of quartzite vacuum plate comprising active mineral admixture, exciting agent, porous aggregate, EPS particle, shoddy, wooden
Fiber and isooctyltriethoxysilane, and ratio of each component in plate are as follows:
Active mineral admixture 80-160kg/m3；
Exciting agent 10-30kg/m3；
Porous aggregate 10-30kg/m3；
EPS particle 6-12kg/m3；
Shoddy 3-5kg/m3；
Wood fibre 0.4-0.8kg/m3；
Isooctyltriethoxysilane 0.1-0.3kg/m3。
By using above-mentioned technical proposal, the low polystyrene of internal porous, thermal coefficient is introduced in formula system
Grain is to reduce the thermal coefficient of composite material, using the porous aggregate of excellent fireproof performance, and passes through wood fibre and iso-octyl
Triethoxysilane further increases the properties of product, and the inside of quartzite vacuum plate is made to have good associativity, and
It is not susceptible to crack in use, is integrally able to maintain good stability.Simultaneously in the effect of exciting agent and shoddy
Under, the dosage of EPS particle can not only be reduced, additionally it is possible to which reasonable utilization waste material resource is conducive to the protection of environment, and makes
The quartzite vacuum plate arrived has good heat preservation and insulation and flame retardant property.
In the inside of quartzite vacuum plate, isooctyltriethoxysilane can be dispersed between each component, and rear
In continuous process of manufacture, the alkoxy meeting webbed film of hydrolytic condensation shape therein, to make the knot between each component raw material
Intensity is closed to greatly improve.And not only specific gravity is small for lignin fibre, and has good heat preservation, heat-insulated, insulation and permeability, energy
The performance of quartzite vacuum plate entirety is enough improved, meanwhile, lignin fibre has excellent flexibility and dispersibility, is mixing
Tridimensional network can be formed in the inside of quartzite vacuum plate afterwards, and then be not easy quartzite vacuum plate in use
It cracks.Meanwhile isooctyltriethoxysilane and lignin fibre can play the role of good compound synergic, make different pungent
The tridimensional network that the reticular membrane and lignin fibre that ethyl triethoxy silicane alkane is formed in the process of production and processing are formed can
It cooperates, not only makes quartzite vacuum plate that integrally there is good structural strength, greatly improve the associativity between each component,
The heat-insulation and heat-preservation and flame retardant property of quartzite vacuum plate entirety can also be improved, and makes quartzite vacuum plate that integrally there is good answer
The property used.
Further preferably, it is additionally added in the quartzite vacuum plate proportional for 8-12kg/m3Function additive, function
Auxiliary agent includes expanded graphite and haloflex, and the mass ratio of the expanded graphite and haloflex is 1:(3-5).
By using above-mentioned technical proposal, expanded graphite has good thermal and insulating performance, and makes quartzite vacuum plate
It is whole that there is good non-ignitable performance, and haloflex can release hydrogen chloride gas after heated, to quartzite vacuum
Shoddy in plate has good surface treatment effect, can not only improve the combination between shoddy and other each component raw materials
Property, moreover it is possible to the structural strength for keeping it whole increases.Meanwhile it expanded graphite and haloflex and being used in conjunction with and as function
When energy auxiliary agent, good fiting effect can be played, the bond strength and the equal energy of surface strength of the inside of quartzite vacuum plate are made
It greatly improves, and there is good mechanical property, volume stability and heat-insulating flame-retardant performance.
Further preferably, it is additionally added in the quartzite vacuum plate proportional for 5-15kg/m3Additive, additive
It is made of super plasticizer, thickening water-retaining agent, organic cementitious material, setting time regulator and hydrophober, and wherein each component exists
Ratio in plate are as follows:
Super plasticizer 0.8-2kg/m3；
Thicken water-retaining agent 0.3-0.6kg/m3；
Organic cementitious material 3-10kg/m3；
Setting time regulator 0.2-1kg/m3；
Hydrophober 0.6-2kg/m3。
By using above-mentioned technical proposal, super plasticizer greatly improves the cohesiveness between each component, and can improve quartzite
The production efficiency of vacuum plate.Thickening water-retaining agent can be improved the anti-contracility and crack resistance of quartzite vacuum plate entirety, and
Make its entirety that there is good surface strength.Organic cementitious material be conducive to improve quartzite vacuum plate cohesive force and tension it is strong
Degree, and greatly improve quartzite vacuum plate overall quality, and be not likely to produce cracking.Setting time regulator can be improved each group
Divide workability of the raw material in mixing, so that the product arrived has well stable heat preservation and flame retardant property.Hydrophober makes
Quartzite vacuum plate has good water resistance, and is able to maintain good stability in storage and use process.It is added
The additive being made of super plasticizer, thickening water-retaining agent, organic cementitious material, setting time regulator and hydrophober, Neng Gouti
The quality of high quartzite vacuum plate entirety.
Further preferably, ratio of each component in plate in the additive are as follows:
Polycarboxylate water-reducer 1.2kg/m3；
Hydroxypropylcelluloether ether 0.3kg/m3；
Ethylene vinyl acetate copolymer 5kg/m3；
Calcium formate 0.5kg/m3；
Polysiloxanes 0.8kg/m3。
By using above-mentioned technical proposal, super plasticizer selects polycarboxylate water-reducer, and thickening water-retaining agent selects hydroxypropyl fine
Plain ether is tieed up, organic cementitious material selects ethylene vinyl acetate copolymer, setting time regulator formic acid calcium, hydrophober choosing
With polysiloxanes, and aforementioned proportion is selected to be carried out in plate using the quartzite vacuum plate that can not only make has most
Good heat preservation and flame retardant property, moreover it is possible to keep its overall quality higher.
Further preferably, the partial size of the EPS particle is 1-2mm, and the partial size of porous aggregate is 30-45 μm.
By using above-mentioned technical proposal, the partial size of EPS particle is 1-2mm, can make the inside of quartzite vacuum plate not
Easily there is biggish gap, and the partial size of porous aggregate is 30-45 μm, can be filled in EPS void among particles, and portion
Divide and wrap up in the surface for being attached to EPS particle, and then make the inside of quartzite vacuum plate that there is good compactness, so set, not only
It can be improved the mechanical property of quartzite vacuum plate entirety, moreover it is possible to it be made to play good insulation and flame retardant property.
Further preferably, the exciting agent is portland cement, sodium hydroxide, silica solution, sodium metasilicate, potassium silicate, carbon
Sour sodium, one of potassium carbonate, gypsum, aluminate cement and sulphate aluminium cement or a variety of.
By using above-mentioned technical proposal, acid salt cement, sodium hydroxide, silica solution, sodium metasilicate, potassium silicate, sodium carbonate, carbon
Sour potassium, gypsum, aluminate cement and sulphate aluminium cement are good exciting agent, can be greatly improved between each component raw material
Associativity, be conducive to combine shoddy sufficiently with EPS particle, and then keep quartzite vacuum plate integrally with higher strong
Degree.Meanwhile exciting agent can also make quartzite vacuum plate have good volume stability, and be not likely to produce in use
Larger contraction is beneficial to prevent the generation of cracking.
Further preferably, the active mineral admixture be ground blast furnace miberal powder, flyash, silicon ash, metakaolin and
One or more of levigate phosphorus slag powder.
By using above-mentioned technical proposal, ground blast furnace miberal powder, flyash, silicon ash, metakaolin and levigate phosphorus slag powder are equal
Not only shoddy is accommodated with good digestion using above-mentioned active mineral admixture for good active mineral admixture
Effect is conducive to protect environment, additionally it is possible to reduce EPS amount of particles, reduce the production cost of quartzite vacuum plate.Meanwhile it is living
Property mineral admixture and other each component raw materials there is good associativity, and encrypt the overall structure of quartzite vacuum plate more
It is real, it is not easily susceptible to erosion damage, it is whole that there is good durability in use, and it is not likely to produce cracking, have good
Heat preservation and flame retardant property.
Further preferably, the porous aggregate be it is a kind of in silicate ceramics particle, diatomite, conch meal and clay or
It is a variety of.
By using above-mentioned technical proposal, silicate ceramics particle, diatomite, conch meal and clay are good inorganic
Porous aggregate not only makes quartzite vacuum plate also have good wearability, impact resistance and corrosion resistance, can also be further
The thermal coefficient for reducing quartzite vacuum plate is conducive to that quartzite vacuum plate is made to have good flame retardant property.Meanwhile it is inorganic more
Hole filler can also be improved the compression strength of quartzite vacuum plate entirety, and it is good wear-resisting to have quartzite vacuum plate also
Property, impact resistance and corrosion resistance, substantially increase the application effect of quartzite vacuum plate entirety.
The purpose of the present invention two is to provide a kind of preparation process of quartzite vacuum plate, using the quartzite of technique preparation
Vacuum plate is not susceptible to crack in use, whole to have good heat preservation and flame retardant effect.
To achieve the above object two, the present invention provides following technical solutions, comprising the following steps:
Step 1, stock, weighs following components by weight: active mineral admixture 80-160kg, exciting agent 10-30kg, porous
Filler 10-30kg, shoddy 3-5kg, wood fibre 0.4-0.8kg, isooctyltriethoxysilane 0.1-0.3kg, and mix
Uniformly, powder is obtained；
Step 2 prepares slurry, and the water of powder total weight 40-70% is added, is stirred, and obtains uniform agranular slurry；
Step 3 prepares mixture, and the EPS particle of 6-12kg is added in slurry, acquisition mixture is sufficiently stirred；
The resulting mixture of step 3 is passed through compacting tool set compression moulding, compression ratio 20-50% by step 4, compression moulding；
Step 4 is obtained module and is placed in 40-50 DEG C of drying chamber together with mold, solidifies demoulding after 20-24h by step 5, solidification drying,
Then room temperature continues to be cured to 6-8d；
Module, is cut into the insulation board of respective thickness by step 6, stripping and slicing packaging according to required size, and is carried out packaging and deposited
Storage.
By using above-mentioned technical proposal, the water of 40-70% is added in powder, obtains slurry after mixing evenly, then plus
Enter graphite EPS particle, and be uniformly mixed it, is then pressed, is combined together each component raw material sufficiently.Finally
Block is placed in drying chamber together with mold, demoulding after solidification, then room temperature continues to solidify, and the quartzite vacuum plate made has good
Anti-flammability and heat insulating ability, and entire compression intensity is higher, is not likely to produce cracking in use, whole to have good answer
Use effect.Meanwhile the technological operation is simple and convenient, obtained properties of product are moderately good, and production efficiency with higher, whole
Body application is good.
Further preferably, the step 4 is specifically configured to, compression moulding, and the resulting mixture of step 3 is passed through pressure
Molding jig compression moulding stage by stage, first stage compression ratio are 65-80%, and second stage compression ratio is 50-60%, last single order
Section compression ratio is 20-40%.
By using above-mentioned technical proposal, during compression moulding, step by step compression is carried out, and first stage compression ratio is
65-80%, second stage compression ratio are 50-60%, last stage compression ratio is 20-40%, are guaranteeing that each raw material component is complete
Under the premise of whole, it can make that there is good associativity between each component raw material, and whole structural strength is uniform and stable, not only has
There are good insulation and fire-retardant performance, is also not likely to produce cracking in use.
In conclusion compared with prior art, the invention has the following advantages:
(1) isooctyltriethoxysilane and lignin fibre is added, the inside of quartzite vacuum plate can be made to have good
Associativity, and it can play the role of good compound synergic between each other, have quartzite vacuum plate integrally well
Structural strength, be not likely to produce cracking in use, moreover it is possible to improve the heat-insulation and heat-preservation of quartzite vacuum plate entirety and fire-retardant
Performance, and make quartzite vacuum plate that integrally there is good application；
(2) function additive being made of expanded graphite and haloflex is added, can be improved shoddy and other each components are former
Bond strength between material greatly improve the bond strength of the inside of quartzite vacuum plate and surface strength can, and have good
Good mechanical property, volume stability and heat-insulating flame-retardant performance, overall quality greatly improve；
(3) during compression moulding, step by step compression is carried out, and control the ratio of step by step compression, is guaranteeing that each raw material component is complete
Under the premise of whole, it can make that there is good associativity between each component raw material, and whole structural strength is uniform and stable, not only has
There are good insulation and fire-retardant performance, is also not likely to produce cracking in use.
Detailed description of the invention
Fig. 1 is the preparation technology flow chart of quartzite vacuum plate in the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment 1: a kind of quartzite vacuum plate, each component and its corresponding parts by weight are as shown in table 1, and by as follows
Step prepares:
Step 1, stock, weighs following components: metakaolin 120kg, silica solution 20kg, silicate ceramics particle by weight
20kg, shoddy 4kg, wood fibre 0.6kg, isooctyltriethoxysilane 0.2kg, and be uniformly mixed, obtain powder；
Step 2 prepares slurry, and the water of powder total weight 55% is added, is stirred, and obtains uniform agranular slurry；
Step 3 prepares mixture, and the EPS particle of 9kg is added in slurry, acquisition mixture is sufficiently stirred；
The resulting mixture of step 3 is passed through compacting tool set compression moulding, compression ratio 35% by step 4, compression moulding；
Step 4 is obtained module and is placed in 45 DEG C of drying chambers together with mold, solidifies demoulding after 22h, then often by step 5, solidification drying
Temperature continues to be cured to 7d；
Module, is cut into the insulation board of respective thickness by step 6, stripping and slicing packaging according to required size, and is carried out packaging and deposited
Storage.
Note: the partial size of EPS particle is 1.5mm in above-mentioned steps one, and the partial size of silicate ceramics particle is 30 μm.
Embodiment 2-8: a kind of quartzite vacuum plate, difference from example 1 is that, each component and its corresponding weight
It is as shown in table 1 to measure number.
Each component and its parts by weight in 1 embodiment 1-8 of table
Embodiment 9: a kind of quartzite vacuum plate, difference from example 1 is that, step 1 is specifically configured to, and stock is pressed
Weight weighs following components: metakaolin 120kg, aluminate cement 20kg, porous aggregate 20kg, shoddy 4kg, wood fibre
0.6kg, isooctyltriethoxysilane 0.2kg, and be uniformly mixed, obtain powder.
Embodiment 10: a kind of quartzite vacuum plate, difference from example 1 is that, step 1 is specifically configured to, standby
Material, weighs following components by weight: metakaolin 120kg, portland cement 15kg, silica solution 5kg, porous aggregate 20kg, giving up
Rubber powder 4kg, wood fibre 0.6kg, isooctyltriethoxysilane 0.2kg, and be uniformly mixed, obtain powder.
Embodiment 11: a kind of quartzite vacuum plate, difference from example 1 is that, step 1 is specifically configured to, standby
Material, weighs following components by weight: metakaolin 120kg, potassium carbonate 2kg, sulphate aluminium cement 15kg, gypsum 3kg, porous filling out
Expect 20kg, shoddy 4kg, wood fibre 0.6kg, isooctyltriethoxysilane 0.2kg, and be uniformly mixed, obtains powder.
Embodiment 12: a kind of quartzite vacuum plate, difference from example 1 is that, step 1 is specifically configured to, standby
Material, weighs following components: levigate phosphorus slag powder 120kg, silica solution 20kg, silicate ceramics particle 20kg, shoddy by weight
4kg, wood fibre 0.6kg, isooctyltriethoxysilane 0.2kg, and be uniformly mixed, obtain powder.
Embodiment 13: a kind of quartzite vacuum plate, difference from example 1 is that, step 1 is specifically configured to, standby
Material, weighs following components: silicon ash 10kg, flyash 20kg, ground blast furnace miberal powder 90kg, silica solution 20kg, silicate by weight
Ceramic particle 20kg, shoddy 4kg, wood fibre 0.6kg, isooctyltriethoxysilane 0.2kg, and be uniformly mixed, it obtains
Powder.
Embodiment 14: a kind of quartzite vacuum plate, difference from example 1 is that, step 1 is specifically configured to, standby
Material, weighs following components: levigate phosphorus slag powder 80kg, silicon ash 10kg, ground blast furnace miberal powder 30kg, silica solution 20kg, silicon by weight
Hydrochlorate ceramic particle 20kg, shoddy 4kg, wood fibre 0.6kg, isooctyltriethoxysilane 0.2kg, and be uniformly mixed,
Obtain powder.
Embodiment 15: a kind of quartzite vacuum plate, difference from example 1 is that, step 1 is specifically configured to, standby
Material, weighs following components: metakaolin 120kg, silica solution 20kg, conch meal 20kg, shoddy 4kg, wood fibre by weight
0.6kg, isooctyltriethoxysilane 0.2kg, and be uniformly mixed, obtain powder.
Embodiment 16: a kind of quartzite vacuum plate, difference from example 1 is that, step 1 is specifically configured to, standby
Material, weigh following components by weight: metakaolin 120kg, silica solution 20kg, diatomite 5kg, clay 15kg, shoddy 4kg,
Wood fibre 0.6kg, isooctyltriethoxysilane 0.2kg, and be uniformly mixed, obtain powder.
Embodiment 17: a kind of quartzite vacuum plate, difference from example 1 is that, step 1 is specifically configured to, standby
Material, weigh following components by weight: metakaolin 120kg, silica solution 20kg, silicate ceramics particle 10kg, diatomite 4kg,
Conch meal 6kg, shoddy 4kg, wood fibre 0.6kg, isooctyltriethoxysilane 0.2kg, and be uniformly mixed, obtain powder.
Embodiment 18: a kind of quartzite vacuum plate, difference from example 1 is that, step 3 is specifically configured to, system
Standby mixture, the function additive of the EPS particle of 9kg and 8kg are added in slurry, and it is 1:3 that function additive, which includes mass ratio,
Expanded graphite and haloflex carry out that acquisition mixture is sufficiently stirred.
Embodiment 19: a kind of quartzite vacuum plate, difference from example 1 is that, step 3 is specifically configured to, system
Standby mixture, the function additive of the EPS particle of 9kg and 12kg are added in slurry, and it is 1:4 that function additive, which includes mass ratio,
Expanded graphite and haloflex carry out that acquisition mixture is sufficiently stirred.
Embodiment 20: a kind of quartzite vacuum plate, difference from example 1 is that, step 3 is specifically configured to, system
Standby mixture, the function additive of the EPS particle of 9kg and 10kg are added in slurry, and it is 1:5 that function additive, which includes mass ratio,
Expanded graphite and haloflex carry out that acquisition mixture is sufficiently stirred.
Embodiment 21: a kind of quartzite vacuum plate, difference from example 1 is that, step 1 is specifically configured to, standby
Material, weigh following components by weight: metakaolin 120kg, silica solution 20kg, silicate ceramics particle 20kg, shoddy 4kg,
Wood fibre 0.6kg, isooctyltriethoxysilane 0.2kg, additive, additive by 1.2kg polycarboxylate water-reducer,
The hydroxypropylcelluloether ether of 0.3kg, the ethylene vinyl acetate copolymer of 5kg, the calcium formate of 0.5kg and 0.8kg poly- silicon oxygen
Alkane composition, and be uniformly mixed, obtain powder.
Embodiment 22: a kind of quartzite vacuum plate, difference from example 1 is that, step 1 is specifically configured to, standby
Material, weigh following components by weight: metakaolin 120kg, silica solution 20kg, silicate ceramics particle 20kg, shoddy 4kg,
Wood fibre 0.6kg, isooctyltriethoxysilane 0.2kg, additive, additive by 0.8kg polycarboxylate water-reducer,
The hydroxypropylcelluloether ether of 0.3kg, the ethylene vinyl acetate copolymer of 3kg, the calcium formate of 0.2kg and 0.6kg poly- silicon oxygen
Alkane composition, and be uniformly mixed, obtain powder.
Embodiment 23: a kind of quartzite vacuum plate, difference from example 1 is that, step 1 is specifically configured to, standby
Material, weigh following components by weight: metakaolin 120kg, silica solution 20kg, silicate ceramics particle 20kg, shoddy 4kg,
Wood fibre 0.6kg, isooctyltriethoxysilane 0.2kg, additive, additive by 1.4kg polycarboxylate water-reducer,
The hydroxypropylcelluloether ether of 0.45kg, the ethylene vinyl acetate copolymer of 6.5kg, the calcium formate of 0.6kg and 1.3kg poly- silicon
Oxygen alkane composition, and be uniformly mixed, obtain powder.
Embodiment 24: a kind of quartzite vacuum plate, difference from example 1 is that, step 1 is specifically configured to, standby
Material, weigh following components by weight: metakaolin 120kg, silica solution 20kg, silicate ceramics particle 20kg, shoddy 4kg,
Wood fibre 0.6kg, isooctyltriethoxysilane 0.2kg, additive, polycarboxylate water-reducer, 0.6kg of the additive by 2kg
Hydroxypropylcelluloether ether, the ethylene vinyl acetate copolymer of 10kg, the calcium formate of 1kg and 2kg polysiloxanes composition, and
It is uniformly mixed, obtains powder.
Embodiment 25: a kind of quartzite vacuum plate, difference from example 1 is that, step 4 is specifically configured to, pressure
Type is made, by the resulting mixture of step 3 by compacting tool set compression moulding stage by stage, first stage compression ratio is 65%, the
Two-stage compression ratio is 50%, last stage compression ratio is 20%.
Embodiment 26: a kind of quartzite vacuum plate, difference from example 1 is that, step 4 is specifically configured to, pressure
Type is made, by the resulting mixture of step 3 by compacting tool set compression moulding stage by stage, first stage compression ratio is 80%, the
Two-stage compression ratio is 60%, last stage compression ratio is 40%.
Embodiment 27: a kind of quartzite vacuum plate, difference from example 1 is that, step 4 is specifically configured to, pressure
Type is made, by the resulting mixture of step 3 by compacting tool set compression moulding stage by stage, first stage compression ratio is 72.5%,
Second stage compression ratio is 55%, last stage compression ratio is 30%.
Embodiment 28: a kind of quartzite vacuum plate, difference from example 1 is that, the grain of EPS particle in step 1
Diameter is 1mm, and the partial size of silicate ceramics particle is 37.5 μm.
Embodiment 29: a kind of quartzite vacuum plate, difference from example 1 is that, the grain of EPS particle in step 1
Diameter is 2mm, and the partial size of silicate ceramics particle is 45 μm.
Comparative example 1: a kind of quartzite vacuum plate, difference from example 1 is that, step 1 is specifically configured to, standby
Material, weigh following components by weight: metakaolin 120kg, silica solution 20kg, silicate ceramics particle 20kg, shoddy 4kg,
Isooctyltriethoxysilane 0.2kg, and be uniformly mixed, obtain powder.
Comparative example 2: a kind of quartzite vacuum plate, difference from example 1 is that, step 1 is specifically configured to, standby
Material, weigh following components by weight: metakaolin 120kg, silica solution 20kg, silicate ceramics particle 20kg, shoddy 4kg,
Wood fibre 0.6kg, and be uniformly mixed, obtain powder.
Comparative example 3: a kind of quartzite vacuum plate, difference from example 1 is that, step 1 is specifically configured to, standby
Material, weighs following components by weight: metakaolin 120kg, silica solution 20kg, silicate ceramics particle 20kg, shoddy 4kg,
And be uniformly mixed, obtain powder.
Performance test
Test specimen: using the quartzite vacuum plate obtained in embodiment 1-29 as test specimen 1-29, using comparative example 1-3
The quartzite vacuum plate of middle acquisition is as control sample 1-3.
Test method: taking the test specimen 1-31 and control sample 1-3 of same size, is measured according to standard GB/T5486 dry
Density (kg/m3), according to standard GB/T10294 heat conducting coefficient measuring (25 DEG C) W/ (mK), measured according to standard GB/T5486
Compression strength (MPa), measures drying shrinkage (%) according to standard GB/T7019, measures flammability energy level according to standard GB8624
Not (grade).
Test result: the test result of test specimen 1-29 and control sample 1-3 are as shown in table 2.As shown in Table 2, by trying
The test result control for testing sample 1-8 and control sample 1-3 can obtain, and isooctyltriethoxysilane and lignin fibre is added,
Greatly improve the overall quality of quartzite vacuum plate, and compression strength with higher and lower drying shrinkage, in turn
It is set to be not likely to produce cracking in use.It can be obtained by the control of the test result of test specimen 9-17 and test specimen 1-8, this
Invention disclosed exciting agent, active mineral admixture and porous aggregate, are suitable for the preparation of quartzite vacuum plate, and obtain
Quartzite vacuum plate have good quality.It can be obtained by the control of the test result of test specimen 18-20 and test specimen 1-8,
The function additive being made of expanded graphite and haloflex is added, can be improved the quality of quartzite vacuum plate entirety, and have
There are good mechanical property, volume stability and heat-insulating flame-retardant performance, is not likely to produce cracking.By test specimen 21-24 and examination
The test result control for testing sample 1-8 can obtain, and super plasticizer selects polycarboxylate water-reducer, and thickening water-retaining agent selects hydroxy propyl cellulose
Plain ether, organic cementitious material select ethylene vinyl acetate copolymer, setting time regulator formic acid calcium, and hydrophober is selected
Polysiloxanes, and it is combined into additive, the quartzite vacuum plate quality with higher enabled to.By test specimen 25-
The test result control of 26 and test specimen 1-8 can obtain, and during compression moulding, carry out step by step compression, and control and press step by step
The ratio of contracting can make have good associativity between each component raw material, and whole under the premise of guaranteeing that each raw material component is complete
The structural strength of body is uniform and stable, and quality greatly improves.
The test result of table 2 test specimen 1-29 and control sample 1-3
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of quartzite vacuum plate, which is characterized in that it includes active mineral admixture, exciting agent, porous aggregate, EPS
Grain, shoddy, wood fibre and isooctyltriethoxysilane, and ratio of each component in plate are as follows:
Active mineral admixture 80-160kg/m3；
Exciting agent 10-30kg/m3；
Porous aggregate 10-30kg/m3；
EPS particle 6-12kg/m3；
Shoddy 3-5kg/m3；
Wood fibre 0.4-0.8kg/m3；
Isooctyltriethoxysilane 0.1-0.3kg/m3。
2. quartzite vacuum plate according to claim 1, which is characterized in that be additionally added in the quartzite vacuum plate proportional
For 8-12kg/m3Function additive, function additive includes expanded graphite and haloflex, and the expanded graphite and chlorination are poly-
The mass ratio of ethylene is 1:(3-5).
3. quartzite vacuum plate according to claim 1, which is characterized in that be additionally added in the quartzite vacuum plate proportional
For 5-15kg/m3Additive, additive by super plasticizer, thickening water-retaining agent, organic cementitious material, setting time regulator and
Hydrophober composition, and wherein ratio of each component in plate are as follows:
Super plasticizer 0.8-2kg/m3；
Thicken water-retaining agent 0.3-0.6kg/m3；
Organic cementitious material 3-10 kg/m3；
Setting time regulator 0.2-1 kg/m3；
Hydrophober 0.6-2 kg/m3。
4. quartzite vacuum plate according to claim 3, which is characterized in that ratio of each component in plate in the additive
Example are as follows:
Polycarboxylate water-reducer 1.2kg/m3；
Hydroxypropylcelluloether ether 0.3kg/m3；
Ethylene vinyl acetate copolymer 5kg/m3；
Calcium formate 0.5kg/m3；
Polysiloxanes 0.8kg/m3。
5. quartzite vacuum plate according to claim 1, which is characterized in that the partial size of the EPS particle is 1-2mm, porous
The partial size of filler is 30-45 μm.
6. quartzite vacuum plate according to claim 1, which is characterized in that the exciting agent is portland cement, hydroxide
Sodium, silica solution, sodium metasilicate, potassium silicate, sodium carbonate, one of potassium carbonate, gypsum, aluminate cement and sulphate aluminium cement or
It is a variety of.
7. quartzite vacuum plate according to claim 1, which is characterized in that the active mineral admixture is ground blast furnace mine
One or more of powder, flyash, silicon ash, metakaolin and levigate phosphorus slag powder.
8. quartzite vacuum plate according to claim 1, which is characterized in that the porous aggregate be silicate ceramics particle,
It is one or more in diatomite, conch meal and clay.
9. a kind of preparation process of quartzite vacuum plate, which comprises the following steps:
Step 1, stock, weighs following components by weight: active mineral admixture 80-160kg, exciting agent 10-30kg, porous
Filler 10-30kg, shoddy 3-5kg, wood fibre 0.4-0.8kg, isooctyltriethoxysilane 0.1-0.3kg, and mix
Uniformly, powder is obtained；
Step 2 prepares slurry, and the water of powder total weight 40-70% is added, is stirred, and obtains uniform agranular slurry；
Step 3 prepares mixture, and the EPS particle of 6-12kg is added in slurry, acquisition mixture is sufficiently stirred；
The resulting mixture of step 3 is passed through compacting tool set compression moulding, compression ratio 20-50% by step 4, compression moulding；
Step 4 is obtained module and is placed in 40-50 DEG C of drying chamber together with mold, solidifies demoulding after 20-24h by step 5, solidification drying,
Then room temperature continues to be cured to 6-8d；
Module, is cut into the insulation board of respective thickness by step 6, stripping and slicing packaging according to required size, and is carried out packaging and deposited
Storage.
10. the preparation process of quartzite vacuum plate according to claim 9, which is characterized in that the step 4 is specifically arranged
For compression moulding, by the resulting mixture of step 3 by compacting tool set compression moulding stage by stage, first stage compression ratio is
65-80%, second stage compression ratio are 50-60%, last stage compression ratio is 20-40%.
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| CN113103610A (en) * | 2021-04-02 | 2021-07-13 | 吉林吉大蓝创科技有限公司 | Preparation method of nano mesoporous functional mineral composite heat insulation core material |
| CN113336518A (en) * | 2021-07-13 | 2021-09-03 | 亚士创能科技(上海)股份有限公司 | Homogeneous plate and preparation method and application thereof |
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