CN107365137A - A kind of flyash fire-retardant heat-insulation material and preparation method thereof - Google Patents
A kind of flyash fire-retardant heat-insulation material and preparation method thereof Download PDFInfo
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- CN107365137A CN107365137A CN201710649444.1A CN201710649444A CN107365137A CN 107365137 A CN107365137 A CN 107365137A CN 201710649444 A CN201710649444 A CN 201710649444A CN 107365137 A CN107365137 A CN 107365137A
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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
- C04B28/26—Silicates of the alkali metals
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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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Inorganic Chemistry (AREA)
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- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of flyash fire-retardant heat-insulation material, include the raw material of following parts by weight：Compression 15 25 parts of flyash, acidifying 20 40 parts of flyash, 10 14 parts of waterglass, absorption banket 12 18 parts, 57 parts of coupling agent, 15 25 parts of binding agent, 9 13 parts of glass microballoon, 8 16 parts of reinforcing fibre, 7 11 parts of fire-retardant additive.The present invention has carried out comprehensive cyclic utilization to flyash, has saved resource, has protected environment, has realized making full use of for discarded object, and the insulation material proportion that it is prepared is low, intensity is high, good heat insulating, heat-resistant fireproof superior performance, and stability of material is preferable；Preparation method provided by the invention simultaneously, its material cost is relatively low, raw material is easy to get and technique is concise, has higher practical value and good application prospect.
Description
Technical field
The present invention relates to building thermal insulation material technical field, and in particular to a kind of flyash fire-retardant heat-insulation material and its preparation
Method.
Background technology
One side flyash is the fine ash that catching is got off from the flue gas after coal combustion, and flyash is coal-burning power plant's discharge
Primary solids waste, flyash are one of larger industrial residues of the current discharge capacity in China, with the development of power industry, coal-fired electricity
The flyash discharge capacity of factory increases year by year.Substantial amounts of flyash is untreated, will produce airborne dust, pollutes air；If it is discharged into water
System can cause river to silt up, and toxic chemical substance therein can also damage to the mankind and biology.
Flyash is mainly used in building road surface, flyash steamed brick, weight flyash clay sintered brick, fly ash aerated mixed at present
Solidifying soil, coal powder concrete hollow brick, flyash concrete pavior brick, flyash brick, flyash concrete light cellular partition board
Deng products material, not only added value is low, and addition content is limited, and has certain technical requirements to flyash, it is impossible to makes full use of
Substantial amounts of fly ash.
On the other hand conventional fire-retardant heat-insulation material mainly has：Polystyrol plastic foam plate（EPS and XPS）, rock（Ore deposit）
Cotton plate, blanket of glass wool and ultralight polyphenylene granule heat-insulating slurry etc., these material internals have substantial amounts of blind hole, apparent density
It is smaller, essential to this is also fire-retardant heat-insulation material.Polystyrol plastic foam plate（EPS and XPS）It is with polystyrene resin
For primary raw material, foamed dose of foaming and manufactured inside have the material of countless closed porosities, and apparent density is small, thermal conductivity factor
Small, water absorption rate is low, and high mechanical strength, dimensional accuracy are high, but fire protecting performance is poor；Rock（Ore deposit）Cotton and mineral wool are sometime collectively referred to as
Mineral wool, belong to inorganic material；Rock wool is not burnt, and hygroscopicity is big, and price is relatively low, is also had while thermal and insulating performance is met
There is certain defening effect, but the quality good or not of rock wool differs greatly, and tensile strength is low, poor durability, and heat insulation effect is poor；Rubber powder
Polystyrene granule insulating mortar good flame resistance, waste recovery, but heat insulation effect is undesirable, to construction requirement height.
The content of the invention
The defects of for prior art, it is an object of the invention to provide a kind of flyash fire-retardant heat-insulation material, the thermal insulating material
Material has carried out comprehensive cyclic utilization to flyash, has saved resource, has protected environment, has realized making full use of for discarded object, its
The insulation material proportion of preparation is low, intensity is high, good heat insulating, heat-resistant fireproof superior performance, and stability of material is preferable；Simultaneously
Preparation method provided by the invention, its material cost is relatively low, raw material is easy to get and technique is concise, have higher practical value and
Good application prospect.
The present invention solves technical problem and adopted the following technical scheme that：
The invention provides a kind of flyash fire-retardant heat-insulation material, include the raw material of following parts by weight：
Compression flyash 15-25 parts, it is acidified flyash 20-40 parts, waterglass 10-14 parts, adsorbs banket 12-18 parts, coupling agent
5-7 parts, binding agent 15-25 parts, glass microballoon 9-13 parts, reinforcing fibre 8-16 parts, fire-retardant additive 7-11 parts.
Preferably, the flyash fire-retardant heat-insulation material includes the raw material of following parts by weight：
Compression 20 parts of flyash, acidifying 30 parts of flyash, 12 parts of waterglass, absorption banket 15 parts, 6 parts of coupling agent, binding agent 20
Part, 11 parts of glass microballoon, 12 parts of reinforcing fibre, 9 parts of fire-retardant additive.
Preferably, the preparation method of the compression flyash is：Flyash, rosin, polyvinyl alcohol, diisocyanate are pressed
According to weight than 30:3:1:Stirred in 0.1 addition mixer, be re-fed into boil down to tablet in tablet press machine, thickness of flap 2-4
Millimeter.
Preferably, the preparation method of the acidifying flyash is：By flyash, 5% dilution heat of sulfuric acid according to weight than 5:
1 mixing addition homogenizer is total, stirs, and it is flyash tablet that the mixture after stirring is extruded by twin rollers,
The thickness of flyash tablet is less than 3 millimeters, then flyash tablet is transported in swinging drying oven and is calcined, roasting time
For 1-3 hours, sintering temperature is controlled at 250~350 DEG C, and the flyash tablet water content after roasting is less than 5%.
Preferably, the absorption is banketed as kaolin, attapulgite, bentonite according to weight than 3:4:The mixing of 2 compositions
Thing.
Preferably, the coupling agent is one kind in silane coupler, titanate coupling agent；
The binding agent be Ludox, acrylic emulsion, epoxy resin according to weight than 3:5:The mixture of 1 composition.
Preferably, a diameter of 40-80 microns of the glass microballoon, wall thickness 3-5 microns；
The reinforcing fibre be glass fibre, polyethylene fibre, carbon fiber according to weight than 2:1:The mixture of 1 composition, it is described
The length of reinforcing fibre is 25-35 millimeters, a diameter of 0.2-0.6 millimeters.
Preferably, the fire-retardant additive be magnesium hydroxide, aluminium hydroxide, TDE according to weight than 4:3:1
The mixture of composition.
Present invention also offers a kind of preparation method of flyash fire-retardant heat-insulation material, comprise the following steps：
Step 1, each component raw material is weighed on request；
Step 2, compression flyash, acidifying flyash are added in high speed disintegrator, crushed 100 mesh, mixing and absorption is banketed
Add in mixer, stir 15-25 minutes, obtain mixture A；
Added Step 3: coupling agent, glass microballoon, fire-retardant additive, waterglass are mixed in mixer, be in speed of agitator
Stirred under 250-350r/min, it is stand-by to obtain mixture B；
Step 4, mixture A prepared by step 2, the mixture B of step 3 preparation, binding agent, reinforcing fibre add batch mixing
In machine, 10-20 minutes are stirred in the case where rotating speed is 150-250r/min, obtain compound C；
Step 5, compound C made from step 4 is added in high pressure homogenizer, 20-30min, homogeneous are stirred at 70-80 DEG C
Pressure is 10-16MPa, and homogeneous rotating speed is 4000-6000r/min, then is fed the mixture into press-forming machine, is 1- in pressure
Suppressed under 1.4MPa 6-10 minutes, the demoulding, which is sent into steam curing machine, conserves 1-2 hours, natural cooling, dries in the shade what is invented
Flyash fire-retardant heat-insulation material.
Preferably, the preparation process of the flyash fire-retardant heat-insulation material is：
Step 1, each component raw material is weighed on request；
Step 2, compression flyash, acidifying flyash are added in high speed disintegrator, crushed 100 mesh, mixing and absorption is banketed
Add in mixer, stir 20 minutes, obtain mixture A；
Added Step 3: coupling agent, glass microballoon, fire-retardant additive, waterglass are mixed in mixer, be in speed of agitator
Stirred under 300r/min, it is stand-by to obtain mixture B；
Step 4, mixture A prepared by step 2, the mixture B of step 3 preparation, binding agent, reinforcing fibre add batch mixing
In machine, stirred 15 minutes in the case where rotating speed is 200/min, obtain compound C；
Step 5, compound C made from step 4 is added in high pressure homogenizer, 25min is stirred at 75 DEG C, homogenization pressure is
13MPa, homogeneous rotating speed is 5000r/min, then is fed the mixture into press-forming machine, and 8 points are suppressed in the case where pressure is 1.2MPa
Clock, the demoulding are sent into steam curing machine and conserved 1.5 hours, and natural cooling, dry in the shade the flyash fire-retardant heat-insulation material invented.
Compared with prior art, the present invention has following beneficial effect：
（1）On the one hand a kind of flyash fire-retardant heat-insulation material of the present invention is effectively utilized discarded using flyash as primary raw material
Thing, resource is saved, protected environment, on the other hand also significantly reduced pollution of the flyash for environment, improved its profit
With rate.
（2）A kind of reinforcing fibre of flyash fire-retardant heat-insulation material addition of the present invention, predominantly reinforcing fibre is glass
Fiber, polyethylene fibre, carbon fiber so that the insulation material has good power while with good heat-insulating property
Learn intensity.
（3）The binding agent that a kind of flyash fire-retardant heat-insulation material of the present invention uses, predominantly Ludox, propylene yogurt
Liquid, epoxy resin, the bonding degree of each composition of insulation material on the one hand can be effectively improved, greatly enhances the wear-resisting of insulation material
With the performance of anti-rain-impact, on the other hand can reduce that the material later stage is likely to occur volatilizes a small amount of toxic and harmful gas
May, reach the effect of ecological, environmental protective.
（4）The fire-retardant additive that a kind of flyash fire-retardant heat-insulation material of the present invention uses, predominantly magnesium hydroxide, hydrogen-oxygen
Change aluminium, TDE, largely employ halogen-free flame retardants, effectively increase heat-proof combustion-resistant effect, while reduce burning
During smog generation, fire-retardant Smoke prevention excellent result.
（5）The absorption of the flyash fire-retardant heat-insulation material addition of the present invention is banketed as kaolin, attapulgite, bentonite,
On the one hand its larger pollutant that can be effectively in absorption air than table structure, has reached the effect of preferable purification air,
Ecological, environmental protective, on the other hand these materials mostly have relatively low thermal conductivity factor, while it also has certain soundproof effect, makes
The materials for wall that must be prepared has preferable heat preservation and soundproof function.
（6）The flyash that the flyash fire-retardant heat-insulation material of the present invention uses has carried out acidifying and compression processing, effectively
Flyash after processing has preferable adsorptivity, thixotropy, heat endurance, plasticity, caking property and the high spy of dry compression
Point, substantially increase the mechanical strength and mechanical property of insulation material.
（7）The flyash fire-retardant heat-insulation material of the present invention has carried out comprehensive cyclic utilization to flyash, has saved resource, has protected
Environment has been protected, has realized making full use of for discarded object, the insulation material proportion that it is prepared is low, intensity is high, good heat insulating, resistance to height
Warm superior flame retardant property, stability of material are preferable；Preparation method provided by the invention simultaneously, its material cost is relatively low, raw material is easy
Obtain and technique is concise, there is higher practical value and good application prospect.
Embodiment
With reference to specific embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, shown
So, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on the reality in the present invention
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is all belonged to
In the scope of protection of the invention.
Embodiment 1.
A kind of flyash fire-retardant heat-insulation material of the present embodiment, include the raw material of following parts by weight：
Compression 15 parts of flyash, acidifying 20 parts of flyash, 10 parts of waterglass, absorption banket 12 parts, 5 parts of coupling agent, binding agent 15
Part, 9 parts of glass microballoon, 8 parts of reinforcing fibre, 7 parts of fire-retardant additive.
The preparation method of compression flyash in the present embodiment is：By flyash, rosin, polyvinyl alcohol, diisocyanate
According to weight than 30:3:1:Stirred in 0.1 addition mixer, be re-fed into boil down to tablet in tablet press machine, thickness of flap is
2-4 millimeters.
The preparation method of acidifying flyash in the present embodiment is：By flyash, 5% dilution heat of sulfuric acid according to weight ratio
5:1 mixing addition homogenizer is total, stirs, it is flyash sheet that the mixture after stirring is extruded by twin rollers
Thing, the thickness of flyash tablet is less than 3 millimeters, then flyash tablet is transported in swinging drying oven and is calcined, and is calcined
Time is 1 hour, and sintering temperature is controlled at 250 DEG C, and the flyash tablet water content after roasting is less than 5%.
Absorption in the present embodiment is banketed as kaolin, attapulgite, bentonite according to weight than 3:4:The mixing of 2 compositions
Thing.
Coupling agent in the present embodiment is silane coupler；
The binding agent be Ludox, acrylic emulsion, epoxy resin according to weight than 3:5:The mixture of 1 composition.
A diameter of 40-80 microns of glass microballoon in the present embodiment, wall thickness 3-5 microns；
The reinforcing fibre be glass fibre, polyethylene fibre, carbon fiber according to weight than 2:1:The mixture of 1 composition, it is described
The length of reinforcing fibre is 25-35 millimeters, a diameter of 0.2-0.6 millimeters.
Fire-retardant additive in the present embodiment is magnesium hydroxide, aluminium hydroxide, TDE according to weight than 4:3:1
The mixture of composition.
Thermal insulating filling in the present embodiment is fly ash float, glass microballoon, carborundum, ceramic bead according to weight than 3:2:
4:The mixture of 2 compositions.
A kind of preparation method of flyash fire-retardant heat-insulation material of the present embodiment, comprises the following steps：
Step 1, each component raw material is weighed on request；
Step 2, compression flyash, acidifying flyash are added in high speed disintegrator, crushed 100 mesh, mixing and absorption is banketed
Add in mixer, stir 15 minutes, obtain mixture A；
Added Step 3: coupling agent, glass microballoon, fire-retardant additive, waterglass are mixed in mixer, be in speed of agitator
Stirred under 250r/min, it is stand-by to obtain mixture B；
Step 4, mixture A prepared by step 2, the mixture B of step 3 preparation, binding agent, reinforcing fibre add batch mixing
In machine, stirred 10 minutes in the case where rotating speed is 150r/min, obtain compound C；
Step 5, compound C made from step 4 is added in high pressure homogenizer, 20min is stirred at 70 DEG C, homogenization pressure is
10MPa, homogeneous rotating speed is 4000r/min, then is fed the mixture into press-forming machine, is suppressed 6 minutes in the case where pressure is 1MPa,
The demoulding is sent into steam curing machine and conserved 1 hour, and natural cooling, dry in the shade the flyash fire-retardant heat-insulation material invented.
Embodiment 2.
A kind of flyash fire-retardant heat-insulation material of the present embodiment, include the raw material of following parts by weight：
Compression 25 parts of flyash, acidifying 40 parts of flyash, 14 parts of waterglass, absorption banket 18 parts, 7 parts of coupling agent, binding agent 25
Part, 13 parts of glass microballoon, 16 parts of reinforcing fibre, 11 parts of fire-retardant additive.
The preparation method of compression flyash in the present embodiment is：By flyash, rosin, polyvinyl alcohol, diisocyanate
According to weight than 30:3:1:Stirred in 0.1 addition mixer, be re-fed into boil down to tablet in tablet press machine, thickness of flap 4
Millimeter.
The preparation method of acidifying flyash in the present embodiment is：By flyash, 5% dilution heat of sulfuric acid according to weight ratio
5:1 mixing addition homogenizer is total, stirs, it is flyash sheet that the mixture after stirring is extruded by twin rollers
Thing, the thickness of flyash tablet is less than 3 millimeters, then flyash tablet is transported in swinging drying oven and is calcined, and is calcined
Time is 1-3 hours, and sintering temperature is controlled at 250~350 DEG C, and the flyash tablet water content after roasting is less than 5%.
Absorption in the present embodiment is banketed as kaolin, attapulgite, bentonite according to weight than 3:4:The mixing of 2 compositions
Thing.
Coupling agent in the present embodiment is titanate coupling agent；
The binding agent be Ludox, acrylic emulsion, epoxy resin according to weight than 3:5:The mixture of 1 composition.
A diameter of 40-80 microns of glass microballoon in the present embodiment, wall thickness 3-5 microns；
The reinforcing fibre be glass fibre, polyethylene fibre, carbon fiber according to weight than 2:1:The mixture of 1 composition, it is described
The length of reinforcing fibre is 25-35 millimeters, a diameter of 0.2-0.6 millimeters.
Fire-retardant additive in the present embodiment is magnesium hydroxide, aluminium hydroxide, TDE according to weight than 4:3:1
The mixture of composition.
Thermal insulating filling in the present embodiment is fly ash float, glass microballoon, carborundum, ceramic bead according to weight than 3:2:
4:The mixture of 2 compositions.
A kind of preparation method of flyash fire-retardant heat-insulation material of the present embodiment, comprises the following steps：
Step 1, each component raw material is weighed on request；
Step 2, compression flyash, acidifying flyash are added in high speed disintegrator, crushed 100 mesh, mixing and absorption is banketed
Add in mixer, stir 25 minutes, obtain mixture A；
Added Step 3: coupling agent, glass microballoon, fire-retardant additive, waterglass are mixed in mixer, be in speed of agitator
Stirred under 350r/min, it is stand-by to obtain mixture B；
Step 4, mixture A prepared by step 2, the mixture B of step 3 preparation, binding agent, reinforcing fibre add batch mixing
In machine, stirred 20 minutes in the case where rotating speed is 250r/min, obtain compound C；
Step 5, compound C made from step 4 is added in high pressure homogenizer, 30min is stirred at 80 DEG C, homogenization pressure is
16MPa, homogeneous rotating speed is 6000r/min, then is fed the mixture into press-forming machine, and 10 points are suppressed in the case where pressure is 1.4MPa
Clock, the demoulding are sent into steam curing machine and conserved 2 hours, and natural cooling, dry in the shade the flyash fire-retardant heat-insulation material invented.
Embodiment 3.
A kind of flyash fire-retardant heat-insulation material of the present embodiment, include the raw material of following parts by weight：
Compression 20 parts of flyash, acidifying 30 parts of flyash, 12 parts of waterglass, absorption banket 15 parts, 6 parts of coupling agent, binding agent 20
Part, 11 parts of glass microballoon, 12 parts of reinforcing fibre, 9 parts of fire-retardant additive.
The preparation method of compression flyash in the present embodiment is：By flyash, rosin, polyvinyl alcohol, diisocyanate
According to weight than 30:3:1:Stirred in 0.1 addition mixer, be re-fed into boil down to tablet in tablet press machine, thickness of flap 3
Millimeter.
The preparation method of acidifying flyash in the present embodiment is：By flyash, 5% dilution heat of sulfuric acid according to weight ratio
5:1 mixing addition homogenizer is total, stirs, it is flyash sheet that the mixture after stirring is extruded by twin rollers
Thing, the thickness of flyash tablet is less than 3 millimeters, then flyash tablet is transported in swinging drying oven and is calcined, and is calcined
Time is 2 hours, and sintering temperature is controlled at 300 DEG C, and the flyash tablet water content after roasting is less than 5%.
Absorption in the present embodiment is banketed as kaolin, attapulgite, bentonite according to weight than 3:4:The mixing of 2 compositions
Thing.
Coupling agent in the present embodiment is silane coupler；
The binding agent be Ludox, acrylic emulsion, epoxy resin according to weight than 3:5:The mixture of 1 composition.
A diameter of 40-80 microns of glass microballoon in the present embodiment, wall thickness 3-5 microns；
The reinforcing fibre be glass fibre, polyethylene fibre, carbon fiber according to weight than 2:1:The mixture of 1 composition, it is described
The length of reinforcing fibre is 25-35 millimeters, a diameter of 0.2-0.6 millimeters.
Fire-retardant additive in the present embodiment is magnesium hydroxide, aluminium hydroxide, TDE according to weight than 4:3:1
The mixture of composition.
Thermal insulating filling in the present embodiment is fly ash float, glass microballoon, carborundum, ceramic bead according to weight than 3:2:
4:The mixture of 2 compositions.
A kind of preparation method of flyash fire-retardant heat-insulation material of the present embodiment, comprises the following steps：
Step 1, each component raw material is weighed on request；
Step 2, compression flyash, acidifying flyash are added in high speed disintegrator, crushed 100 mesh, mixing and absorption is banketed
Add in mixer, stir 20 minutes, obtain mixture A；
Added Step 3: coupling agent, glass microballoon, fire-retardant additive, waterglass are mixed in mixer, be in speed of agitator
Stirred under 300r/min, it is stand-by to obtain mixture B；
Step 4, mixture A prepared by step 2, the mixture B of step 3 preparation, binding agent, reinforcing fibre add batch mixing
In machine, stirred 15 minutes in the case where rotating speed is 200/min, obtain compound C；
Step 5, compound C made from step 4 is added in high pressure homogenizer, 25min is stirred at 75 DEG C, homogenization pressure is
13MPa, homogeneous rotating speed is 5000r/min, then is fed the mixture into press-forming machine, and 8 points are suppressed in the case where pressure is 1.2MPa
Clock, the demoulding are sent into steam curing machine and conserved 1.5 hours, and natural cooling, dry in the shade the flyash fire-retardant heat-insulation material invented.
A kind of flyash fire-retardant heat-insulation material of the present invention has carried out comprehensive cyclic utilization to flyash, saved resource,
Environment is protected, realizes making full use of for discarded object, the insulation material proportion that it is prepared is low, intensity is high, good heat insulating, resistance to
High temperature flame-proof superior performance, stability of material are preferable；Preparation method provided by the invention simultaneously, its material cost is relatively low, raw material
It is easy to get and technique is concise, there is higher practical value and good application prospect.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (10)
1. a kind of flyash fire-retardant heat-insulation material, it is characterised in that include the raw material of following parts by weight：
Compression flyash 15-25 parts, it is acidified flyash 20-40 parts, waterglass 10-14 parts, adsorbs banket 12-18 parts, coupling agent
5-7 parts, binding agent 15-25 parts, glass microballoon 9-13 parts, reinforcing fibre 8-16 parts, fire-retardant additive 7-11 parts.
A kind of 2. flyash fire-retardant heat-insulation material according to claim 1, it is characterised in that the flyash fireproof heat insulating
Material includes the raw material of following parts by weight：
Compression 20 parts of flyash, acidifying 30 parts of flyash, 12 parts of waterglass, absorption banket 15 parts, 6 parts of coupling agent, binding agent 20
Part, 11 parts of glass microballoon, 12 parts of reinforcing fibre, 9 parts of fire-retardant additive.
A kind of 3. flyash fire-retardant heat-insulation material according to claim 1 or 2, it is characterised in that the compression flyash
Preparation method be：By flyash, rosin, polyvinyl alcohol, diisocyanate according to weight than 30:3:1:0.1 adds mixer
Middle stirring, is re-fed into boil down to tablet in tablet press machine, and thickness of flap is 2-4 millimeters.
A kind of 4. flyash fire-retardant heat-insulation material according to claim 1 or 2, it is characterised in that the acidifying flyash
Preparation method be：By flyash, 5% dilution heat of sulfuric acid according to weight than 5:1 mixing addition homogenizer is total, and stirring is equal
Even, it is flyash tablet that the mixture after stirring is extruded by twin rollers, and the thickness of flyash tablet is less than 3 millimeters,
Flyash tablet is transported in swinging drying oven again and is calcined, roasting time is 1-3 hours, and sintering temperature is controlled 250
~350 DEG C, the flyash tablet water content after roasting is less than 5%.
A kind of 5. flyash fire-retardant heat-insulation material according to claim 1 or 2, it is characterised in that it is described absorption banket for
Kaolin, attapulgite, bentonite are according to weight than 3:4:The mixture of 2 compositions.
6. a kind of flyash fire-retardant heat-insulation material according to claim 1 or 2, it is characterised in that the coupling agent is silicon
One kind in alkane coupling agent, titanate coupling agent；
The binding agent be Ludox, acrylic emulsion, epoxy resin according to weight than 3:5:The mixture of 1 composition.
7. a kind of flyash fire-retardant heat-insulation material according to claim 1 or 2, it is characterised in that the glass microballoon
A diameter of 40-80 microns, wall thickness 3-5 microns；
The reinforcing fibre be glass fibre, polyethylene fibre, carbon fiber according to weight than 2:1:The mixture of 1 composition, it is described
The length of reinforcing fibre is 25-35 millimeters, a diameter of 0.2-0.6 millimeters.
A kind of 8. flyash fire-retardant heat-insulation material according to claim 1 or 2, it is characterised in that the fire-retardant additive
For magnesium hydroxide, aluminium hydroxide, TDE according to weight than 4:3:The mixture of 1 composition.
A kind of 9. method for preparing flyash fire-retardant heat-insulation material as claimed in claim 1 or 2, it is characterised in that including with
Lower step：
Step 1, each component raw material is weighed on request；
Step 2, compression flyash, acidifying flyash are added in high speed disintegrator, crushed 100 mesh, mixing and absorption is banketed
Add in mixer, stir 15-25 minutes, obtain mixture A；
Added Step 3: coupling agent, glass microballoon, fire-retardant additive, waterglass are mixed in mixer, be in speed of agitator
Stirred under 250-350r/min, it is stand-by to obtain mixture B；
Step 4, mixture A prepared by step 2, the mixture B of step 3 preparation, binding agent, reinforcing fibre add batch mixing
In machine, 10-20 minutes are stirred in the case where rotating speed is 150-250r/min, obtain compound C；
Step 5, compound C made from step 4 is added in high pressure homogenizer, 20-30min, homogeneous are stirred at 70-80 DEG C
Pressure is 10-16MPa, and homogeneous rotating speed is 4000-6000r/min, then is fed the mixture into press-forming machine, is 1- in pressure
Suppressed under 1.4MPa 6-10 minutes, the demoulding, which is sent into steam curing machine, conserves 1-2 hours, natural cooling, dries in the shade what is invented
Flyash fire-retardant heat-insulation material.
A kind of 10. preparation method of flyash fire-retardant heat-insulation material according to claim 9, it is characterised in that the system
It is for step：
Step 1, each component raw material is weighed on request；
Step 2, compression flyash, acidifying flyash are added in high speed disintegrator, crushed 100 mesh, mixing and absorption is banketed
Add in mixer, stir 20 minutes, obtain mixture A；
Added Step 3: coupling agent, glass microballoon, fire-retardant additive, waterglass are mixed in mixer, be in speed of agitator
Stirred under 300r/min, it is stand-by to obtain mixture B；
Step 4, mixture A prepared by step 2, the mixture B of step 3 preparation, binding agent, reinforcing fibre add batch mixing
In machine, stirred 15 minutes in the case where rotating speed is 200/min, obtain compound C；
Step 5, compound C made from step 4 is added in high pressure homogenizer, 25min is stirred at 75 DEG C, homogenization pressure is
13MPa, homogeneous rotating speed is 5000r/min, then is fed the mixture into press-forming machine, and 8 points are suppressed in the case where pressure is 1.2MPa
Clock, the demoulding are sent into steam curing machine and conserved 1.5 hours, and natural cooling, dry in the shade the flyash fire-retardant heat-insulation material invented.
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| CN107986720A (en) * | 2017-11-30 | 2018-05-04 | 明光市泰丰新材料有限公司 | A kind of insulated fire environment-friendly composite material and preparation method thereof |
| CN109279820A (en) * | 2018-10-18 | 2019-01-29 | 合肥慧林建材有限公司 | A kind of heat preservation fireproofing material and preparation method thereof |
| CN110204297A (en) * | 2019-05-23 | 2019-09-06 | 上海日兆建设工程有限公司 | A kind of quartzite vacuum plate and its preparation process |
| CN110646903A (en) * | 2019-09-10 | 2020-01-03 | 安徽省通信产业服务有限公司 | Preparation method of reinforced heat-resistant optical cable material filler |
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| CN104276793A (en) * | 2014-09-16 | 2015-01-14 | 中国矿业大学(北京) | Ceramsite-fly ash fireproof thermal insulation material and preparation method of ceramsite-fly ash fireproof thermal insulation material |
| CN104310946A (en) * | 2014-10-16 | 2015-01-28 | 湖州国信物资有限公司 | Fly ash insulating material and preparation method thereof |
| CN105016687A (en) * | 2014-04-22 | 2015-11-04 | 天津宏华顺保温材料科技有限公司 | Fireproof external wall heat insulation material |
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| CN103030357A (en) * | 2011-09-29 | 2013-04-10 | 深圳市爱思宝科技发展有限公司 | Heat-insulation slurry composition and applications thereof |
| CN105016687A (en) * | 2014-04-22 | 2015-11-04 | 天津宏华顺保温材料科技有限公司 | Fireproof external wall heat insulation material |
| CN104276793A (en) * | 2014-09-16 | 2015-01-14 | 中国矿业大学(北京) | Ceramsite-fly ash fireproof thermal insulation material and preparation method of ceramsite-fly ash fireproof thermal insulation material |
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| CN107986720A (en) * | 2017-11-30 | 2018-05-04 | 明光市泰丰新材料有限公司 | A kind of insulated fire environment-friendly composite material and preparation method thereof |
| CN109279820A (en) * | 2018-10-18 | 2019-01-29 | 合肥慧林建材有限公司 | A kind of heat preservation fireproofing material and preparation method thereof |
| CN110204297A (en) * | 2019-05-23 | 2019-09-06 | 上海日兆建设工程有限公司 | A kind of quartzite vacuum plate and its preparation process |
| CN110646903A (en) * | 2019-09-10 | 2020-01-03 | 安徽省通信产业服务有限公司 | Preparation method of reinforced heat-resistant optical cable material filler |
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