CN103979921A - Magnesium oxychloride fiber light wallboard - Google Patents

Magnesium oxychloride fiber light wallboard Download PDF

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Publication number
CN103979921A
CN103979921A CN201410197401.0A CN201410197401A CN103979921A CN 103979921 A CN103979921 A CN 103979921A CN 201410197401 A CN201410197401 A CN 201410197401A CN 103979921 A CN103979921 A CN 103979921A
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China
Prior art keywords
parts
magnesium
fiber light
slag
light trabs
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CN201410197401.0A
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CN103979921B (en
Inventor
张亮亮
黄洪涛
詹陈聪
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Yuan Chengzhongbo Energy Development Co Ltd Of Sichuan Province
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Yuan Chengzhongbo Energy Development Co Ltd Of Sichuan Province
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention provides a magnesium oxychloride fiber light wallboard, and relates to the wallboard field in the construction materials. The wallboard is composed of the following components in parts by weight: 40 to 60 parts of magnesium chloride water solution, 20 to 30 parts of magnesium oxide, 0.1 part of fly ash, 0.2 part of slag, 0.5 part of construction waste, 0.1 part of waste ceramic, 2 parts of short glass fiber, 2 parts of straw, 2 parts of saw dust, 3 parts of perlite, and 0 to 2 parts of modifier. The formula of the wallboard comprises industrial and agricultural wastes such as fly ash, slag, mineral slag, construction wastes, broken ceramics, straws, and saw dust, thus the wastes are fully recycled and reutilized, and moreover the using amount of sands and stones is reduced, so the destroy on mountain and river bed is avoided, resources are saved, and environment is protected. The prepared magnesium oxychloride fiber light wallboard has the advantages of good water resisting property, high compressive strength, good freeze resisting performance, good acid/alkali resistant property, no halogen appearance, no scumming, and no deformation.

Description

Chlorine oxygen magnesium fiber Light trabs
Technical field
The present invention relates to a kind of wallboard, be specifically related to a kind of chlorine oxygen magnesium fiber Light trabs and preparation method thereof.
Background technology
At present wallboard generally adopts that brick is mixed to be built into, and not only the duration is grown, wastes time and energy, operating efficiency is low, and concrete consumption is large, and a large amount of sandstone aggregate demands cause great burden to resources and environment: havoc natural hill in a large number cuts into a mountain, quarries; Digging riverbed and get sand and also cause soil erosion, there is serious crisis in concrete raw material resource.There is sandstone aggregate resource wretched insufficiency phenomenon in a lot of areas of China.
Light trabs is a kind of New Energy Saving Wall Materials, and it is used to the partition wall in the frame structure buildings such as comings and goings board house or office, hotel, residential quarters more and more widely with advantages such as light weight, easy to use, quick construction.In the middle of current partition wall is general, adopt Lightgage Steel Joist, two sides adds plasterboard, although this partition wall unit weight is lower, soundproof effect is bad, thermal insulation is poor, and work-ing life is short, and chance water is fragile, plasterboard wall low bearing capacity.
China is magnesium resource big country, and the owning amount of magnesium oxide resource occupies the first in the world, chlorine oxygen magnesium products have natural green, environmental protection, fire prevention, energy-conservation, etc. superperformance.Magnesium oxide Light trabs is a kind of novel multifunction building material, because it had both had lightweight and flexibility and the cycling processability of wooden class organic plates, there is again fire line and the water tolerance of inorganic plate, in body of wall, furred ceiling, floor liner plate and other have the finishing at fire protection requirement position, be applied.But the magnesium oxide plate using at present exists the damp suction surface halide accumulation of sheet material in using, cause the problems such as bow warping distortion, sheet material embrittlement, affects the quality of product, has limited the widespread use of product.In addition, because material mixture ratio is unreasonable, be also to cause magnesium oxide plate in Practical Project, to produce one of major reason of plate and plate gaping of joints, affect widespread use and the popularization of magnesium oxide plate.In addition, conventional chlorine oxygen magnesium Light trabs needs a large amount of natural resourcess such as quartz sand, talcum powder, and resources and environment is caused to great burden.
Summary of the invention
For addressing the above problem, the invention provides a kind of chlorine oxygen magnesium fiber Light trabs, cost is low, few to the demand of sandstone, and water resisting property is good, and ultimate compression strength is high, and frost resistance is good, and resistance to acids and bases is good, without returning the phenomenons such as halogen, scum, distortion.The present invention adopts following technical scheme:
A kind of chlorine oxygen magnesium fiber Light trabs, is characterized in that the component that the formula of described chlorine oxygen magnesium fiber Light trabs is following weight part: 40 ~ 60 parts of magnesium chloride brines, 20 ~ 30 parts, magnesium oxide, 0.1 part, flyash, 0.2 part, slag, 0.2 part, slag, 0.5 part of building waste, 0.1 part of waste ceramic, 2 parts of short glass fibers, 2 parts of stalks, 2 parts of wood chips, 3 parts of perlites, 0 ~ 2 part of properties-correcting agent;
The degree Beaume of described magnesium chloride brine is 22 ~ 25.
Further, described slag is domestic waste incineration residue.
Preferably, described properties-correcting agent is made up of the component of following weight parts: 2 parts, ferrous sulfate; 5 parts of tetraethoxys; 1 part of Sodium hexametaphosphate 99; 1 part of Sodium Nitrite; 1 part of water glass; 3 parts, copper sulfate; 1 part of defoamer; 1 part of methylcellulose gum; 1 part, gelatin.
The preparation method of chlorine oxygen magnesium fiber Light trabs recited above, is characterized in that comprising the following steps:
A, preparation magnesium chloride brine: magnesium chloride powder is joined in the water of pH=6 ~ 7, stir, the magnesium chloride brine that preparation degree Beaume is 22 ~ 25;
B, interpolation properties-correcting agent: in the magnesium chloride brine obtaining to step a, add in proportion properties-correcting agent, and stir, obtain mixture A;
C, to adding magnesium oxide, flyash, slag, slag, building waste, waste ceramic, short glass fiber, stalk, wood chip and perlite by formula in the mixed solution A described in step b, stir, obtain mixture B;
D, the mixture B that step c is obtained are filled to die for molding, obtain described chlorine oxygen magnesium fiber Light trabs after the then demoulding, maintenance.
Preferably, the thickness of the chlorine oxygen magnesium fiber Light trabs described in steps d is 100mm.
Beneficial effect of the present invention is as follows:
1. in the formula of chlorine oxygen magnesium fiber Light trabs provided by the invention, magnesium oxide, magnesium chloride are its main raw materials.Unreacted completely magnesium oxide, magnesium chloride is the major cause that causes damp suction surface halide accumulation.In formula provided by the invention, the complete reaction ratio of magnesium oxide, magnesium chloride is more than 97%, and the complete reaction of magnesium oxide, magnesium chloride can being tried one's best, avoids occurring the phenomenon of damp suction surface halide accumulation.
2. in the formula of chlorine oxygen magnesium fiber Light trabs provided by the invention, the degree Beaume of magnesium chloride brine is 22 ~ 25, the raw material matched of the magnesium chloride brine under this concentration and other weight parts, can increase the strength and stability of chlorine oxygen magnesium fiber Light trabs greatly.
3. in the formula of chlorine oxygen magnesium fiber Light trabs provided by the invention, comprise flyash.Flyash is the soot particle of collecting after combusting coal fines, also claims flying dust, and its chemical composition is mainly SiO 2(45~65%), Al 2o 3(20~35%) and Fe 2o 3(5~10%) and CaO(5%) etc.Adding of flyash, can reduce the interface friction between slurry and aggregate, lights spot contact bearing effect in the contact of aggregate, thereby has improved the workability of Light trabs mix; Adding coal ash in Light trabs, can prevent alkali effectively, improves the weather resistance of Light trabs; Adding of flyash, improve intensity by long-term pozzolanic reaction; Flyash can reduce hydration heat, reduces the crack of causing due to temperature.
4. in the formula of chlorine oxygen magnesium fiber Light trabs provided by the invention, comprise waste ceramic, slag and slag.In the present invention, do not add separately domestic waste incineration residue, because the membership that adds of slag plays detrimental effect to aquation, reduce the intensity of Light trabs.But the present invention is in the time adding slag, also add slag, not only can further reduce the demand of Light trabs to sandstone, reduce production costs, reduce the destruction to massif, riverbed; Slag not only has hydraulically active, and its Mg that can be produced by aquation (OH) 2excite, generate secondary hydration product, the sylvite that slag band is come in simultaneously, the pH value that sodium salt also can increase hydration system, the activity of activated slag more up hill and dale, increases the intensity of sample.Waste ceramic also can improve the intensity of slag, and improves degree of mobilization; Waste ceramic can be accelerated grog aquation in early days, accelerates the aquation process of slag in the later stage.
The invention provides the chlorine oxygen magnesium fiber Light trabs process detection that formula is prepared from, its Leaching of Heavy Metals concentration is all lower than Leaching standard limited value, and lower than the V class surface water standard limited value in GB3838-2002 " water environment quality standard ", can be to environment.
5. in the formula of chlorine oxygen magnesium fiber Light trabs provided by the invention, comprise building waste.Along with the fast development of economy and engineering construction, produce a large amount of building wastes.The present invention is used for preparing Light trabs after building waste is pulverized, and can realize the recycle of resource, reduces production costs.Building waste in grinding process, wherein useless brick and tile particle surface layer generation lattice distortion under the effect of mechanical force in a large number, active site increases, active increasing, in building waste powder, there is active silica and activated alumina, mix after appropriate building waste, not only play filler; Under alkaline environment, active silica also can generate hydrated magnesium silicate gel in magnesia oxychloride cement, and activated alumina can generate riopan gel, and the intensity of material is improved.
In formula provided by the invention, the addition of building waste is optimum, because when the building waste mixing exceedes after amount provided by the invention, in system, magnesia oxychloride cement is containing quantity not sufficient, and causing intensity to contribute maximum crystallization phases 51.8 phases (is 5Mg (OH) 2mgCl 28H 2o) and 318 phases (are 3Mg (OH) 2mgCl 28H 2o) reduce, and the hydrated product being produced by active silica in building waste and activated alumina is not enough to offset that magnesia oxychloride cement reduces and the strength decreased that causes, thereby causes the strength decreased of Light trabs.
6. in the formula of chlorine oxygen magnesium fiber Light trabs provided by the invention, comprise stalk and wood chip.Straw fiber in material in any distribution of three-dimensional, in slurry process of setting, change its internal structure, reduce subsurface defect, improve the continuity of material, the common stress deformation of straw fiber and matrix in material loading process, the effect that involves of fiber has relaxed the load stress of material concentrates, and matrix is split and continuous and further carry load of energy, can make the stretching resistance of material strengthen, the folding strength of Light trabs is improved.But the add-on of stalk can not be excessive, otherwise the hydrated product in whole system is reduced, reduce ultimate compression strength.Stalk add-on provided by the invention is to ensure, under the prerequisite of ultimate compression strength, to improve the folding strength of Light trabs.
In wood chip, contain fiber, can improve the plasticity-of Light trabs; Wood chip add the capillary action that has reduced matrix material, thereby reduced the moisture absorption amount of matrix material, the durable and heat conductivility that reduces Light trabs is subject to the impact of humidity.But the people that mixes of wood chip leads increase, can inevitably increase the voidage of matrix material, thereby cause the thermal conductivity of matrix material and physical strength to decline.
7. in the formula of chlorine oxygen magnesium fiber Light trabs provided by the invention, comprise perlite.Perlite is a kind of material from acidic volcanic glass matter rock, to be formed by lava chilling in surface water of underground ejection, perlitic rock interior contains in conjunction with water, when this moisture glassy lava is subject to used time of doing of high temperature, the glassiness will be softened as sticky liquid state by solid-state, inner combination water becomes high-temperature steam to external diffusion from liquid state, can realize good heat-insulating flame-retardant effect.
8. in the formula of chlorine oxygen magnesium fiber Light trabs provided by the invention, also comprise properties-correcting agent.In properties-correcting agent, ferrous sulfate works the Light trabs dilatational strain effect that suppresses; Tetraethoxy is gained in strength; Sodium hexametaphosphate 99 is quality improver, promotes the power that is knotted; Sodium Nitrite plays hardening accelerator and water reducer; Water glass plays waterproof action; Copper sulfate works to prevent distortion, chaps; Defoamer is eliminated material bubble, increases density of material; Methylcellulose gum, as tackiness agent, can increase Light trabs intensity; Gelatin increases density of material, intensity.
9. chlorine oxygen magnesium fiber Light trabs provided by the invention; formula comprises the agriculture and industry wastes such as flyash, slag, slag, building waste, broken pottery, stalk and wood chip; not only solve the recycling problem of these wastes; also reduce the demand to sandstone; avoid the destruction in massif, riverbed, reach the double effects economizing on resources with protection of the environment.
10. in the preparation method of chlorine oxygen magnesium fiber Light trabs provided by the invention, prepare pH=6 ~ 7 of the water of magnesium chloride brine, the degree Beaume of the magnesium chloride brine of preparation is 22 ~ 25.Adopt the water under pH value provided by the invention, be mixed with the magnesium chloride brine of degree Beaume provided by the invention, in order to prepare, intensity is high, the chlorine oxygen magnesium fiber Light trabs of good stability provides safeguard.
11. adopt formula provided by the invention and preparation method, and the chlorine oxygen magnesium fiber Light trabs water resisting property being prepared from is good, and ultimate compression strength is high, and frost resistance is good, and resistance to acids and bases is good, and good stability, nothing are returned the phenomenons such as halogen, scum, distortion.
embodiment:
Below in conjunction with embodiment, the invention will be further described.Below be only the representative embodiment in the numerous concrete ranges of application of the present invention, protection scope of the present invention is not constituted any limitation.All employing conversion or equivalence are replaced and the technical scheme of formation, within all dropping on rights protection scope of the present invention.
embodiment 1
A kind of chlorine oxygen magnesium fiber Light trabs, the component that its formula is following weight part: 40 parts of magnesium chloride brines, 20 parts, magnesium oxide, 0.1 part, flyash, 0.2 part, slag, 0.2 part, slag, 0.5 part of building waste, 0.1 part of waste ceramic, 2 parts of short glass fibers, 2 parts of stalks, 2 parts of wood chips, 3 parts of perlites.
Preparation magnesium chloride brine: the water pH of employing is generally in about 6-7, if adopt tap water directly to prepare burden, if while adopting underground water and well water, need to be adjusted to pH with phosphoric acid or sulfuric acid or sodium hydroxide is 6-7.The degree Beaume of magnesium chloride brine is 22.
Add properties-correcting agent: in the magnesium chloride brine obtaining upward, add in proportion properties-correcting agent, and stir, obtain mixture A.
In described mixed solution A, add magnesium oxide, flyash, slag, slag, building waste, waste ceramic, short glass fiber, stalk, wood chip and perlite by formula upward, stir, obtain mixture B;
Mixture B obtained above is filled to die for molding, after the then demoulding, maintenance, obtains described chlorine oxygen magnesium fiber Light trabs.
The chlorine oxygen magnesium fiber Light trabs of the 100mm thickness being prepared from according to above-mentioned formula, its fire performance is 94min, combustionproperty meets A1 level specified requirement.Its performance sees the following form:
Interventions Requested Requirement Unit Result
Shock resistance After 15 impact tests, flawless —— The two sides of chlorine oxygen magnesium fiber Light trabs is all without through check
Bending resistance carrying (plate deadweight multiple) ≥1.5 —— 4.5
Ultimate compression strength ≥3.5 MPa 4.7
Coefficient of softening ≥0.80 —— 0.94
Area density ≤90 kg/㎡ 33
Hanging force The static 24h of load 1000N, plate face exceedes the crack of 0.5mm without width —— Leakless
Frost resistance Should not occur that visible crackle and surface are unchanged —— Circulating freezing resistance 15 times, flawless
Air-borne sound sound-damping qualities ≥40 dB 53
Resistance to acids and bases Invade bubble 7 days unchanged —— Unchanged
embodiment 2
A kind of chlorine oxygen magnesium fiber Light trabs, the component that its formula is following weight part: 60 parts of magnesium chloride brines, 30 parts, magnesium oxide, 0.1 part, flyash, 0.2 part, slag, 0.2 part, slag, 0.5 part of building waste, 0.1 part of waste ceramic, 2 parts of short glass fibers, 2 parts of stalks, 2 parts of wood chips, 3 parts of perlites.Slag is herein for containing SiO 2more acid slag; Described building waste is mainly useless brick and tile, mixed earth, broken sandstone and dregs.
Preparation is when magnesium chloride brine, and the water pH of employing is generally about 6-7, if adopt tap water directly to prepare burden, if while adopting underground water and well water, need to be adjusted to pH with phosphoric acid or sulfuric acid or sodium hydroxide is 6-7.When summer, external temperature 30 was spent, the degree Beaume of magnesium chloride brine is 24.
Add properties-correcting agent: in the magnesium chloride brine obtaining upward, add in proportion properties-correcting agent, and stir, obtain mixture A.
In described mixed solution A, add magnesium oxide, flyash, slag, slag, building waste, waste ceramic, short glass fiber, stalk, wood chip and perlite by formula upward, stir, obtain mixture B;
Mixture B obtained above is filled to die for molding, after the then demoulding, maintenance, obtains described chlorine oxygen magnesium fiber Light trabs.
The chlorine oxygen magnesium fiber Light trabs of the 100mm thickness being prepared from according to above-mentioned formula, its fire performance is 94min, combustionproperty meets A1 level specified requirement.Its performance sees the following form:
Interventions Requested Requirement Unit Result
Shock resistance After 15 impact tests, flawless —— The two sides of chlorine oxygen magnesium fiber Light trabs is all without through check
Bending resistance carrying (plate deadweight multiple) ≥1.5 —— 4.0
Ultimate compression strength ≥3.5 MPa 4.2
Coefficient of softening ≥0.80 —— 0.97
Area density ≤90 kg/㎡ 35
Hanging force The static 24h of load 1000N, plate face exceedes the crack of 0.5mm without width —— Leakless
Frost resistance Should not occur that visible crackle and surface are unchanged —— Circulating freezing resistance 15 times, flawless
Air-borne sound sound-damping qualities ≥40 dB 54
Resistance to acids and bases Invade bubble 7 days unchanged —— Unchanged
embodiment 3
A kind of chlorine oxygen magnesium fiber Light trabs, the component that its formula is following weight part: 50 parts of magnesium chloride brines, 25 parts, magnesium oxide, 0.1 part, flyash, 0.2 part of domestic waste incineration residue, 0.2 part, slag, 0.5 part of building waste, 0.1 part of waste ceramic, 2 parts of short glass fibers, 2 parts of stalks, 2 parts of wood chips, 3 parts of perlites.Slag is herein for containing al 2 o 3 with caOmore alkaline slag.Described building waste is mainly useless brick and tile, mixed earth, broken sandstone and dregs.
Preparation is when magnesium chloride brine, and the water pH of employing is generally about 6-7, if adopt tap water directly to prepare burden, if while adopting underground water and well water, need to be adjusted to pH with phosphoric acid or sulfuric acid or sodium hydroxide is 6-7.When summer, external temperature 30 was spent, the degree Beaume of magnesium chloride brine is 25.
Add properties-correcting agent: in the magnesium chloride brine obtaining upward, add in proportion properties-correcting agent, and stir, obtain mixture A.
In described mixed solution A, add magnesium oxide, flyash, slag, slag, building waste, waste ceramic, short glass fiber, stalk, wood chip and perlite by formula upward, stir, obtain mixture B;
Mixture B obtained above is filled to die for molding, after the then demoulding, maintenance, obtains described chlorine oxygen magnesium fiber Light trabs.
The chlorine oxygen magnesium fiber Light trabs of the 100mm thickness being prepared from according to above-mentioned formula, its fire performance is 94min, combustionproperty meets A1 level specified requirement.Its performance sees the following form:
Interventions Requested Requirement Unit Result
Shock resistance After 15 impact tests, flawless —— The two sides of chlorine oxygen magnesium fiber Light trabs is all without through check
Bending resistance carrying (plate deadweight multiple) ≥1.5 —— 4.7
Ultimate compression strength ≥3.5 MPa 4.5
Coefficient of softening ≥0.80 —— 0.90
Area density ≤90 kg/㎡ 37
Hanging force The static 24h of load 1000N, plate face exceedes the crack of 0.5mm without width —— Leakless
Frost resistance Should not occur that visible crackle and surface are unchanged —— Circulating freezing resistance 15 times, flawless
Air-borne sound sound-damping qualities ≥40 dB 57
Resistance to acids and bases Invade bubble 7 days unchanged —— Unchanged
embodiment 4
A kind of chlorine oxygen magnesium fiber Light trabs, the component that its formula is following weight part: 45 parts of magnesium chloride brines, 22 parts, magnesium oxide, 0.1 part, flyash, 0.2 part of domestic waste incineration residue, 0.2 part, slag, 0.5 part of building waste, 0.1 part of waste ceramic, 2 parts of short glass fibers, 2 parts of stalks, 2 parts of wood chips, 3 parts of perlites, 1 part of properties-correcting agent.Slag is herein for containing al 2 o 3 with caOmore alkaline slag; Described building waste is mainly useless brick and tile, mixed earth, mud and pitch.
Formula of modifier is: by weight, and 2 parts, ferrous sulfate; 5 parts of tetraethoxys; 1 part of Sodium hexametaphosphate 99; 1 part of Sodium Nitrite; 1 part of water glass; 3 parts, copper sulfate; 1 part of defoamer; 1 part of methylcellulose gum; 1 part, gelatin.
Preparation is when magnesium chloride brine, and the water pH of employing is generally in 6 ~ 7 left and right, if adopt tap water directly to prepare burden, if while adopting underground water and well water, need to be adjusted to pH with phosphoric acid or sulfuric acid or sodium hydroxide is 6 ~ 7.When summer, external temperature 30 was spent, the degree Beaume of magnesium chloride brine is 24.
Add properties-correcting agent: in the magnesium chloride brine obtaining upward, add in proportion properties-correcting agent, and stir, obtain mixture A.
In described mixed solution A, add magnesium oxide, flyash, slag, slag, building waste, waste ceramic, short glass fiber, stalk, wood chip and perlite by formula upward, stir, obtain mixture B;
Mixture B obtained above is filled to die for molding, after the then demoulding, maintenance, obtains described chlorine oxygen magnesium fiber Light trabs.
The chlorine oxygen magnesium fiber Light trabs of the 100mm thickness being prepared from according to above-mentioned formula, its fire performance is 95min, combustionproperty meets A1 level specified requirement.Its performance sees the following form:
Interventions Requested Requirement Unit Result
Shock resistance After 15 impact tests, flawless —— The two sides of chlorine oxygen magnesium fiber Light trabs is all without through check
Bending resistance carrying (plate deadweight multiple) ≥1.5 —— 5.0
Ultimate compression strength ≥3.5 MPa 5.1
Coefficient of softening ≥0.80 —— 1.05
Area density ≤90 kg/㎡ 35
Hanging force The static 24h of load 1000N, plate face exceedes the crack of 0.5mm without width —— Leakless
Frost resistance Should not occur that visible crackle and surface are unchanged —— Circulating freezing resistance 15 times, flawless
Air-borne sound sound-damping qualities ≥40 dB 60
Resistance to acids and bases Invade bubble 7 days unchanged —— Unchanged
embodiment 5
A kind of chlorine oxygen magnesium fiber Light trabs, the component that its formula is following weight part: 55 parts of magnesium chloride brines, 25 parts, magnesium oxide, 0.1 part, flyash, 0.2 part of domestic waste incineration residue, 0.2 part, slag, 0.5 part of building waste, 0.1 part of waste ceramic, 2 parts of short glass fibers, 2 parts of stalks, 2 parts of wood chips, 3 parts of perlites, 2 parts of properties-correcting agent.Slag is herein for containing SiO 2more acid slag; Described building waste is mainly useless brick and tile, mixed earth, broken sandstone and dregs.
Formula of modifier is: by weight, and 2 parts, ferrous sulfate; 5 parts of tetraethoxys; 1 part of Sodium hexametaphosphate 99; 1 part of Sodium Nitrite; 1 part of water glass; 3 parts, copper sulfate; 1 part of defoamer; 1 part of methylcellulose gum; 1 part, gelatin.
Preparation is when magnesium chloride brine, and the water pH of employing is generally in 6 ~ 7 left and right, if adopt tap water directly to prepare burden, if while adopting underground water and well water, need to be adjusted to pH with phosphoric acid or sulfuric acid or sodium hydroxide is 6 ~ 7.When summer, external temperature 30 was spent, the degree Beaume of magnesium chloride brine is 25.
Add properties-correcting agent: in the magnesium chloride brine obtaining upward, add in proportion properties-correcting agent, and stir, obtain mixture A.
In described mixed solution A, add magnesium oxide, flyash, slag, slag, building waste, waste ceramic, short glass fiber, stalk, wood chip and perlite by formula upward, stir, obtain mixture B;
Mixture B obtained above is filled to die for molding, after the then demoulding, maintenance, obtains described chlorine oxygen magnesium fiber Light trabs.
The chlorine oxygen magnesium fiber Light trabs of the 100mm thickness being prepared from according to above-mentioned formula, its fire performance is 96min, combustionproperty meets A1 level specified requirement.Its performance sees the following form:
Interventions Requested Requirement Unit Result
Shock resistance After 15 impact tests, flawless —— The two sides of chlorine oxygen magnesium fiber Light trabs is all without through check
Bending resistance carrying (plate deadweight multiple) ≥1.5 —— 5.1
Ultimate compression strength ≥3.5 MPa 5.3
Coefficient of softening ≥0.80 —— 1.1
Area density ≤90 kg/㎡ 37
Hanging force The static 24h of load 1000N, plate face exceedes the crack of 0.5mm without width —— Leakless
Frost resistance Should not occur that visible crackle and surface are unchanged —— Circulating freezing resistance 15 times, flawless
Air-borne sound sound-damping qualities ≥40 dB 61
Resistance to acids and bases Invade bubble 7 days unchanged —— Unchanged

Claims (5)

1. a chlorine oxygen magnesium fiber Light trabs, is characterized in that, the component that the formula of described chlorine oxygen magnesium fiber Light trabs is following weight part: 40 ~ 60 parts of magnesium chloride brines, 20 ~ 30 parts, magnesium oxide, 0.1 part, flyash, 0.2 part, slag, 0.2 part, slag, 0.5 part of building waste, 0.1 part of waste ceramic, 2 parts of short glass fibers, 2 parts of stalks, 2 parts of wood chips, 3 parts of perlites, 0 ~ 2 part of properties-correcting agent;
The degree Beaume of described magnesium chloride brine is 22 ~ 25.
2. chlorine oxygen magnesium fiber Light trabs according to claim 1, is characterized in that, described properties-correcting agent is made up of the component of following weight parts: 2 parts, ferrous sulfate; 5 parts of tetraethoxys; 1 part of Sodium hexametaphosphate 99; 1 part of Sodium Nitrite; 1 part of water glass; 3 parts, copper sulfate; 1 part of defoamer; 1 part of methylcellulose gum; 1 part, gelatin.
3. according to the chlorine oxygen magnesium fiber Light trabs described in right 1, it is characterized in that, described slag is domestic waste incineration residue.
4. according to the preparation method of the chlorine oxygen magnesium fiber Light trabs described in claim 1-3 any one, it is characterized in that comprising the following steps:
A, preparation magnesium chloride brine: magnesium chloride powder is joined in the water of pH=6 ~ 7, stir, the magnesium chloride brine that preparation degree Beaume is 22 ~ 25;
B, interpolation properties-correcting agent: in the magnesium chloride brine obtaining to step a, add in proportion properties-correcting agent, and stir, obtain mixture A;
C, to adding magnesium oxide, flyash, slag, slag, building waste, waste ceramic, short glass fiber, stalk, wood chip and perlite by formula in the mixed solution A described in step b, stir, obtain mixture B;
D, the mixture B that step c is obtained are filled to die for molding, obtain described chlorine oxygen magnesium fiber Light trabs after the then demoulding, maintenance.
5. the preparation method of chlorine oxygen magnesium fiber Light trabs according to claim 4, is characterized in that, the thickness of the chlorine oxygen magnesium fiber Light trabs described in steps d is 100mm.
CN201410197401.0A 2014-05-12 2014-05-12 Chlorine oxygen magnesium fiber Light trabs Expired - Fee Related CN103979921B (en)

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CN105712693A (en) * 2014-12-03 2016-06-29 刘焱才 Solid color decorative plate and production technology thereof
CN105801078A (en) * 2016-03-10 2016-07-27 于博骞 Fly ash environment-friendly composite wallboard and production method thereof
CN106493836A (en) * 2016-10-27 2017-03-15 周秘起 The technique that Light trabses are produced with paper tube
CN106675066A (en) * 2016-12-28 2017-05-17 成都瑞吉星化工有限责任公司 Environment-friendly flame-retardant straw-based plate for buildings and preparation method of environment-friendly flame-retardant straw-based plate
CN107266014A (en) * 2017-08-03 2017-10-20 何明驹 Beam column castable and preparation method thereof, beam column and preparation method thereof
CN108046734A (en) * 2018-01-24 2018-05-18 吉林省圣翔建材集团有限公司 Crop branch fiber high-performance fire-resistant decorative panel and preparation method thereof
CN108640601A (en) * 2018-05-23 2018-10-12 周盼 A kind of straw building block or wallboard product and its corresponding production method of environmental protection antidetonation
CN110078461A (en) * 2019-03-27 2019-08-02 浙江卓元建设有限公司 A kind of water-proof fireproof heat-preserving wall
CN111848075A (en) * 2020-07-29 2020-10-30 攀钢冶金材料有限责任公司 Magnesium oxide board containing titanium extraction tailings and preparation method thereof
CN112142387A (en) * 2020-08-28 2020-12-29 瑞安市硕丰环保材料有限公司 Preparation method of environment-friendly water-saving recycled concrete
CN113735550A (en) * 2021-09-07 2021-12-03 中国建筑第五工程局有限公司 Magnesium oxychloride cement-based muck non-fired building material and preparation method thereof
US11279655B2 (en) * 2019-06-21 2022-03-22 Tsinghua University Method of making waterproof magnesium oxychloride refractory brick by fly ash from municipal solid waste incineration

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CN103483001A (en) * 2012-06-11 2014-01-01 杨孟刚 Manufacturing method of halogen-resistant-strengthened lightweight composite wallboard and building block made of light magnesium powder
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CN101967866A (en) * 2010-09-16 2011-02-09 苗冠强 Stone reinforced light type composite board
CN102464483A (en) * 2010-11-17 2012-05-23 新化县荣辉建材有限责任公司 Silicon-magnesium composite wall material
CN103483001A (en) * 2012-06-11 2014-01-01 杨孟刚 Manufacturing method of halogen-resistant-strengthened lightweight composite wallboard and building block made of light magnesium powder
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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105712693A (en) * 2014-12-03 2016-06-29 刘焱才 Solid color decorative plate and production technology thereof
CN105054794A (en) * 2015-08-28 2015-11-18 中山市亚美斯电子科技有限公司 Electric water heating bottle
CN105801078A (en) * 2016-03-10 2016-07-27 于博骞 Fly ash environment-friendly composite wallboard and production method thereof
CN106493836A (en) * 2016-10-27 2017-03-15 周秘起 The technique that Light trabses are produced with paper tube
CN106675066A (en) * 2016-12-28 2017-05-17 成都瑞吉星化工有限责任公司 Environment-friendly flame-retardant straw-based plate for buildings and preparation method of environment-friendly flame-retardant straw-based plate
CN107266014A (en) * 2017-08-03 2017-10-20 何明驹 Beam column castable and preparation method thereof, beam column and preparation method thereof
CN108046734A (en) * 2018-01-24 2018-05-18 吉林省圣翔建材集团有限公司 Crop branch fiber high-performance fire-resistant decorative panel and preparation method thereof
CN108640601A (en) * 2018-05-23 2018-10-12 周盼 A kind of straw building block or wallboard product and its corresponding production method of environmental protection antidetonation
CN110078461A (en) * 2019-03-27 2019-08-02 浙江卓元建设有限公司 A kind of water-proof fireproof heat-preserving wall
CN110078461B (en) * 2019-03-27 2021-10-22 浙江卓元建设有限公司 Waterproof and fireproof heat-insulation wall
US11279655B2 (en) * 2019-06-21 2022-03-22 Tsinghua University Method of making waterproof magnesium oxychloride refractory brick by fly ash from municipal solid waste incineration
CN111848075A (en) * 2020-07-29 2020-10-30 攀钢冶金材料有限责任公司 Magnesium oxide board containing titanium extraction tailings and preparation method thereof
CN112142387A (en) * 2020-08-28 2020-12-29 瑞安市硕丰环保材料有限公司 Preparation method of environment-friendly water-saving recycled concrete
CN113735550A (en) * 2021-09-07 2021-12-03 中国建筑第五工程局有限公司 Magnesium oxychloride cement-based muck non-fired building material and preparation method thereof
CN113735550B (en) * 2021-09-07 2022-09-23 中国建筑第五工程局有限公司 Magnesium oxychloride cement-based muck non-fired building material and preparation method thereof

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