CN109279833A - A kind of boron mud carbonized residue/foamed polystyrene insulation board and a kind of preparation method of foaming insulation board - Google Patents
A kind of boron mud carbonized residue/foamed polystyrene insulation board and a kind of preparation method of foaming insulation board Download PDFInfo
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- CN109279833A CN109279833A CN201810987863.0A CN201810987863A CN109279833A CN 109279833 A CN109279833 A CN 109279833A CN 201810987863 A CN201810987863 A CN 201810987863A CN 109279833 A CN109279833 A CN 109279833A
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- Prior art keywords
- insulation board
- boron mud
- carbonized residue
- foamed polystyrene
- mud carbonized
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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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- C04B2111/00017—Aspects relating to the protection of the environment
-
- 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
- C04B2111/40—Porous or lightweight materials
-
- 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
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses a kind of boron mud carbonized residue/foamed polystyrene insulation boards, by weight, including following components: 50-70 parts of cement；25-40 parts of boron mud carbonized residue；0.5-1 parts of expanded polystyrene particle.A kind of boron mud carbonized residue/foamed polystyrene insulation board of the invention has the advantages that compression strength height, environmental protection, lightweight, heat insulation effect is good, water absorption rate is low etc..
Description
Technical field
The present invention relates to energy-saving and emission-reduction the field of building materials, send out more particularly, to a kind of boron mud carbonized residue/polystyrene
Steep insulation board and a kind of boron mud carbonized residue/foamed polystyrene insulation board preparation method.
Background technique
Boron mud carbonized residue is that boron mud carbonizatin method prepares the secondary mineral residue generated after basic magnesium carbonate, a large amount of tailing
It is stacked and is filled.Remaining beneficiation reagent can cause seriously to pollute to atmosphere and water in tailing, it is possible to lead to soil
Earth degeneration, vegetation deterioration.So harm of the cyanite tailing to environment must be eliminated, while making full use of mineral resources.This skill
Art largely adds boron mud carbonized residue, for reducing pollution, improvement environment, economizing on resources, has important practical significance.
Energy crisis is current international community question of common concern.Energy-saving and emission-reduction, sustainable development are current science and technology necks
Domain research emphasis and hot spot.Building energy consumption is the important component of social total energy consumption, accounts for about the 20-30% of social total energy consumption.It adopts
Research with external-wall heat-insulation material and technology is to reduce the most direct effective approach of building total energy consumption.It is usually used in the material of exterior wall
Organic foaming thermal-insulating has many advantages, such as that thermal coefficient is low, light weight in material, but its service life and fire protecting performance are poor, to people
Life security form huge threat.Therefore, compounding insulating material becomes the leading material in exterior insulation market.Hair
The application amount of bubble insulation board has been only second to rock wool board, becomes the second largest inorganic external wall thermal-insulation material.
General cement/foamed polystyrene insulation board, low thermal conductivity and low-density, often can not with high compressive strength
It gets both, in order to be prepared into the low cement of thermal coefficient low-density/foamed polystyrene insulation board, often cement/polystyrene is sent out
Bubble insulation board internal holes bulb diameter is larger and is unevenly distributed, and is interconnected between many apertures, will lead to resist in this way
The rising of the decline of Compressive Strength, water absorption rate and thermal coefficient.
Thermal coefficient, density, compression strength, water absorption rate are more important parameters, and thermal coefficient is low, density is low, water suction
The foaming insulation board that rate is low, compression strength is high is welcome by market.
Summary of the invention
The object of the present invention is to provide a kind of boron mud carbonized residue/foamed polystyrene insulation board, which largely makes
With boron mud carbonized residue and foamed plastic polystyrene, compression strength height, environmental protection, lightweight, heat insulation effect are made it have
Advantage good, water absorption rate is low.
Another object of the present invention is to provide a kind of preparation methods of foaming insulation board.
The present invention is achieved by the following technical solutions:
A kind of boron mud carbonized residue/foamed polystyrene insulation board, by weight, including following components:
50-70 parts of cement；
25-40 parts of boron mud carbonized residue；
0.5-1 parts of expanded polystyrene particle.
Preferably, the average grain diameter of the boron mud carbonized residue is 1-5 microns.Partial size is small, the boron mud of same parts by weight
Carbonized residue particle is more, is more advantageous to and is dispersed in cement matrix, but partial size is too small, then does not allow easy processing.
Preferably, the boron mud carbonized residue be by pretreated, pre-process for 600-800 DEG C of calcining 2-5 hours,
Revolving speed is 700-1000 revs/min of grinding.Boron mud carbonized residue is pre-processed, the surface of boron mud carbonized residue can be made living
Property point type and quantity all increase, specific surface area reduces, and surface can reduce, improve the dispersibility of boron mud carbonized residue, and
High-temperature calcination partial amorphism makes structure become loosely, to further increase its dispersibility.
The cement is selected from portland cement, aluminate cement, sulphate aluminium cement, ferrous aluminate cement, fluoaluminic acid
At least one of salt cement, phosphate cement.
It further, by weight, further include 5-10 parts of rapid hardening excitant；The rapid hardening excitant is selected from sulfuric acid
Salt exciting agent and/or alkali activator；The Sulfates exciting agent is selected from least one of sodium sulphate, calcium sulfate；
The alkali activator is selected from calcium hydroxide.Boron mud carbonized residue/polystyrene hair can be improved in the addition of rapid hardening excitant
The molding speed of insulation board is steeped, collapsing for hole bubble is reduced, and then improves the quantity of hole bubble and stablizes the size in aperture.
It further, by weight, further include 3-5 parts of foam stabilizer；The foam stabilizer is selected from hard hydrochlorate, surface
At least one of activating agent；The fatty acid salt is selected from least one of stearic acid sodium, calcium stearate；The surface
Activating agent is selected from linear alkylbenzene sulfonate (LAS), aliphatic alcohol sulfate, fatty alcohol polyoxyethylene ether sulfate, alkylsulfonate, straight
At least one of alkyl group sulfate；The straight-chain alkyl sulfate is selected from lauryl sodium sulfate.The addition of foam stabilizer,
The intensity for not having the preceding hole of hardened forming to steep after boron mud carbonized residue/foamed polystyrene insulation board foaming agent foam can be stablized,
Collapsing for hole bubble is reduced, and then improves the quantity of hole bubble and stablizes the size in aperture.
It further, by weight, further include 0.2-1 parts of water-reducing agent；The water-reducing agent is selected from lignin sulfonic acid
At least one of salt, Ppolynuclear aromatic salt.Water-reducing agent can be when preparing boron mud carbonized residue/foamed polystyrene insulation board
Reduce water consumption.
The expanded polystyrene particle is selected from completely new expanded polystyrene particle or recycling expanded polystyrene particle
At least one of.
The boron mud carbonized residue/foamed polystyrene insulation board mesoporous bubble average pore size is 0.5-3mm；The boron
Mud carbonized residue/foamed polystyrene insulation board density is 150-250kg/m3, the testing standard of density is GB/T5486-
2008；Boron mud carbonized residue/foamed polystyrene insulation board thermal coefficient is 0.055-0.077w/ (m × k), is led
The testing standard of hot coefficient is GB/T10294-2008；Boron mud carbonized residue/foamed polystyrene insulation board resistance to compression
Intensity is 0.6-0.8MPa, and the testing standard of compression strength is GB/T5486-2008；Boron mud carbonized residue/polyphenyl the second
The water absorption rate of alkene foaming insulation board is 7-9%, and the testing standard of water absorption rate is Soviet Union JG/T041-2011.
A kind of preparation method of foaming insulation board, comprising the following steps:
A raw material: cement, boron mud carbonized residue, expanded polystyrene particle, rapid hardening excitant, foam stabilizing) is weighed by weight ratio
It is added in high-speed mixer and is uniformly mixed after agent, water-reducing agent；
B 50-60 parts based on the total weight parts of foaming insulation board of water) is added in blender, stirs into slurry；
C foaming agent) is added, stirs producing foamed mixed slurry；
D) foaming mixed slurry is imported in mold and is formed, demoulding after sizing obtains sizing foaming insulation board；
E) sizing foaming insulation board is transferred in steam press maintenance case under the conditions of 0.09-0.11MPa, 90-100 DEG C of water vapor pressure
After maintenance 1-2 days, then carries out room temperature maintenance and foaming insulation board can be obtained in 20-30 days；
The foaming agent is that 20-25% hydrogen peroxide is by boron mud carbonized residue/foamed polystyrene insulation board total weight
5-10 parts.
The effect of boron mud carbonized residue is: boron mud carbonized residue is as filler and participates in the hydration reaction of cement, increases
Add compression strength, reduces the dosage of cement, reduce costs.Boron mud carbonized residue is dispersed in the glue formed after hydrated cementitious
In glutinous body, in boron mud carbonized residue/foamed polystyrene insulation board foaming process, boron mud carbonized residue can promote bubble
Dispersion, aperture bubbles countless in this way are dispersed in foamed heat insulating intralamellar part, ensure that the compression strength of foaming insulation board, and
It effectively reduces density, improve heat insulation effect.
The present invention has the advantages that
The present invention is sent out by the way that expanded polystyrene particle, boron mud carbonized residue are added in cement using foaming agent
Bubble, countless uniform hole bubbles are evenly distributed in boron mud carbonized residue/foamed polystyrene insulation board, make boron of the invention
Mud carbonized residue/foamed polystyrene insulation board is low with density and compression strength is high, environmentally friendly, heat insulation effect is good, water absorption rate
Low advantage.
Specific embodiment
What the present invention was specifically described by embodiment, still, the present invention is not limited by the following examples.
The embodiment of the present invention and the raw materials used source of comparative example are as follows, but are not limited by following raw material:
Cement: the new portland cement of China；
Boron mud carbonized residue A: 4 hours are calcined by 800 DEG C, the pretreatment that revolving speed is 950 revs/min of grindings, average grain diameter 3
Micron；
Boron mud carbonized residue B: without pretreatment, average grain diameter is 3 microns；
Boron mud carbonized residue C: without pretreatment, average grain diameter is 8 microns；
The preparation method of embodiment and comparative example foaming insulation board: weighing cement, boron mud carbonized residue, foaming by weight ratio
It is added in high-speed mixer and is uniformly mixed after granules of polystyrene, rapid hardening excitant, foam stabilizer, water-reducing agent；Add in blender
Enter suitable quantity of water, stirs into slurry；It is added 8 parts of foaming agents (25% hydrogen peroxide), stirs producing foamed mixed slurry；Foaming is mixed
Slurry is imported in mold and is formed, demoulding after sizing, obtains sizing foaming insulation board；Sizing foaming insulation board is transferred to steam pressure to support
Water vapor pressure 0.1MPa in protecting box, 90 DEG C after maintenance 2 days, then carry out room temperature and conserve 25 days.
Each performance test methods:
(1) it density: is tested according to GB/T5486-2008 " inorganic hard insulating product test method "；
(2) thermal coefficient: according to GB/T10294-2008 " Technology of Steady State Thermal Resistance of Thermal Insulating Material and in relation to the measurement of characteristic, protective heat plate
Method；
(3) it compression strength: is tested according to GB/T5486-2008 " inorganic hard insulating product test method "；
(4) water absorption rate: about " composite foaming cement in the recommendatory technical regulation of Jiangsu Province's engineering construction (Soviet Union JG/T041-2011)
Method specified in the appendix A of plate exterior wall external heat preservation system application technology regulation " is tested；
(5) average diameter is steeped in hole: in boron mud carbonized residue/foamed polystyrene insulation board section vernier caliper measurement 50mm
Hole bubble in the region of × 50mm, calculates hole and steeps average diameter.
Table 1: each group distribution ratio (parts by weight) of embodiment and comparative example foaming insulation board and each the performance test results
It can be seen that boron mud carbonized residue by pretreatment and partial size in 1-5 micron range from embodiment 1-3, boron mud carbon
It is minimum to change residue/foamed polystyrene insulation board density, thermal coefficient minimum, compression strength highest and water absorption rate are minimum；Boron
Mud carbonized residue is poor relative to embodiment 1 without the properties of pretreated embodiment 2, but is an advantage over embodiment 3；From
Embodiment 1/4/5 can be seen that the rising with boron mud carbonized residue dosage, boron mud carbonized residue/foamed polystyrene heat preservation
The decline of plate density, thermal coefficient decline, compression strength slightly rise；Embodiment 6/7 illustrates that rapid hardening excitant and foam stabilizer exist
It can guarantee that abscess is less during preparation boron mud carbonized residue/foamed polystyrene insulation board to collapse, and then reduce close
Degree, thermal coefficient, water absorption rate improve compression strength；From comparative example 1 as can be seen that boron mud carbonized residue is substituted for same weight
Measure part cement, although can also obtain lower density, due to foaming insulation board internal holes steep larger and size it is inhomogenous,
It is unevenly distributed and many holes bubble is interconnected, cause compression strength to decline, the rising of thermal coefficient and water absorption rate.
Claims (10)
1. a kind of boron mud carbonized residue/foamed polystyrene insulation board, which is characterized in that by weight, including following components:
50-70 parts of cement；
25-40 parts of boron mud carbonized residue；
0.5-1 parts of expanded polystyrene particle.
2. boron mud carbonized residue/foamed polystyrene insulation board according to claim 1, which is characterized in that the boron
The average grain diameter of mud carbonized residue is 1-5 microns.
3. boron mud carbonized residue/foamed polystyrene insulation board according to claim 1 or 2, which is characterized in that described
Boron mud carbonized residue is by pretreated, and pre-processing as 600-800 DEG C of calcining 2-5 hours, revolving speed is 700-1000 revs/min
Grinding.
4. boron mud carbonized residue/foamed polystyrene insulation board according to claim 1, which is characterized in that the water
Mud is selected from portland cement, aluminate cement, sulphate aluminium cement, ferrous aluminate cement, fluoroaluminate cement, phosphate cement
At least one of.
5. boron mud carbonized residue/foamed polystyrene insulation board according to claim 1, which is characterized in that by weight
Meter, further includes 5-10 parts of rapid hardening excitant；The rapid hardening excitant is selected from Sulfates exciting agent and/or alkaline activation
Agent；The Sulfates exciting agent is selected from least one of sodium sulphate, calcium sulfate；The alkali activator is selected from hydrogen-oxygen
Change calcium.
6. boron mud carbonized residue/foamed polystyrene insulation board according to claim 1, which is characterized in that by weight
Meter, further includes 3-5 parts of foam stabilizer；The foam stabilizer is selected from least one of hard hydrochlorate, surfactant；Described
Fatty acid salt is selected from least one of stearic acid sodium, calcium stearate；The surfactant is selected from linear alkyl benzene sulfonic acid
At least one of salt, aliphatic alcohol sulfate, fatty alcohol polyoxyethylene ether sulfate, alkylsulfonate, straight-chain alkyl sulfate；
The straight-chain alkyl sulfate is selected from lauryl sodium sulfate.
7. boron mud carbonized residue/foamed polystyrene insulation board according to claim 1, which is characterized in that by weight
Meter, further includes 0.2-1 parts of water-reducing agent；The water-reducing agent in lignosulfonates, Ppolynuclear aromatic salt at least one
Kind.
8. boron mud carbonized residue/foamed polystyrene insulation board according to claim 1, which is characterized in that the hair
Foamed polystyrene particle is selected from least one of completely new expanded polystyrene particle or recycling expanded polystyrene particle.
9. boron mud carbonized residue/foamed polystyrene insulation board according to claim 1-8, which is characterized in that
The boron mud carbonized residue/foamed polystyrene insulation board mesoporous bubble average pore size is 0.5-3mm；The boron mud carbonization is residual
Slag/foamed polystyrene insulation board density is 150-250kg/m3, the testing standard of density is GB/T5486-2008；It is described
Boron mud carbonized residue/foamed polystyrene insulation board thermal coefficient be 0.055-0.077w/ (m × k), the survey of thermal coefficient
Test-object standard is GB/T10294-2008；Boron mud carbonized residue/foamed polystyrene insulation board compression strength is 0.6-
0.8MPa, the testing standard of compression strength are GB/T5486-2008；The boron mud carbonized residue/foamed polystyrene heat preservation
The water absorption rate of plate is 7-9%, and the testing standard of water absorption rate is Soviet Union JG/T041-2011.
10. a kind of preparation method of foaming insulation board, which comprises the following steps:
A raw material: cement, boron mud carbonized residue, expanded polystyrene particle, rapid hardening excitant, foam stabilizing) is weighed by weight ratio
It is added in high-speed mixer and is uniformly mixed after agent, water-reducing agent；
B 50-60 parts based on the total weight parts of foaming insulation board of water) is added in blender, stirs into slurry；
C foaming agent) is added, stirs producing foamed mixed slurry；
D) foaming mixed slurry is imported in mold and is formed, demoulding after sizing obtains sizing foaming insulation board；
E) sizing foaming insulation board is transferred in steam press maintenance case under the conditions of 0.09-0.11MPa, 90-100 DEG C of water vapor pressure
After maintenance 1-2 days, then carries out room temperature maintenance and foaming insulation board can be obtained in 20-30 days；
The foaming agent is 20-25% hydrogen peroxide, is 5-10 parts by the total weight of foaming insulation board.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810987863.0A CN109279833A (en) | 2018-08-28 | 2018-08-28 | A kind of boron mud carbonized residue/foamed polystyrene insulation board and a kind of preparation method of foaming insulation board |
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| CN201810987863.0A CN109279833A (en) | 2018-08-28 | 2018-08-28 | A kind of boron mud carbonized residue/foamed polystyrene insulation board and a kind of preparation method of foaming insulation board |
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Cited By (1)
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