CN103979921B - Chlorine oxygen magnesium fiber Light trabs - Google Patents
Chlorine oxygen magnesium fiber Light trabs Download PDFInfo
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- CN103979921B CN103979921B CN201410197401.0A CN201410197401A CN103979921B CN 103979921 B CN103979921 B CN 103979921B CN 201410197401 A CN201410197401 A CN 201410197401A CN 103979921 B CN103979921 B CN 103979921B
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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
Abstract
The invention provides a kind of chlorine oxygen magnesium fiber Light trabs, relate to the wallboard field in building materials.The formula of chlorine oxygen magnesium fiber Light trabs provided by the invention is the component of following weight part: magnesium chloride brine 40 ~ 60 parts, 20 ~ 30 parts, magnesium oxide, 0.1 part, flyash, 0.2 part, slag, 0.2 part, slag, building waste 0.5 part, waste ceramic 0.1 part, short glass fiber 2 parts, stalk 2 parts, wood chip 2 parts, perlite 3 parts, properties-correcting agent 0 ~ 2 part.Formula provided by the invention 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 economized on resources with protection of the environment.Formula provided by the invention, the chlorine oxygen magnesium fiber Light trabs water resisting property be prepared from 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.
Description
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
Current wallboard generally adopts that brick is mixed to be built into, not only the duration longer, waste time and energy, operating efficiency is low, and concrete consumption is large, and a large amount of sandstone aggregate demands causes great burden to resources and environment: cut into a mountain in a large number, havoc natural hill of quarrying; Digging riverbed to 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 area 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 building such as various movable plank house or office, hotel, residential quarters more and more widely with advantages such as light weight, easy to use, quick construction.Adopt Lightgage Steel Joist in the middle of current partition wall is general, 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 the lightweight of wooden class organic plates and flexible and cycling processability, there is again fire line and the water tolerance of inorganic plate, body of wall, furred ceiling, floor liner plate and other have in the finishing at fire protection requirement position and be applied.But the magnesium oxide plate used at present also exists the damp suction surface halide accumulation of sheet material in using, cause the problems such as bow warping is out of shape, sheet material is brittle, affect the quality of product, limit the widespread use of product.In addition, because material mixture ratio is unreasonable, be also cause magnesium oxide plate in Practical Project, produce one of major reason of plate and plate gaping of joints, have impact on widespread use and the popularization of magnesium oxide plate.In addition, conventional chlorine oxygen magnesium Light trabs needs the natural resourcess such as a large amount of quartz sand, talcum powder, causes great burden to resources and environment.
Summary of the invention
For solving the 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, it is characterized in that, the formula of described chlorine oxygen magnesium fiber Light trabs is the component of following weight part: magnesium chloride brine 40 ~ 60 parts, 20 ~ 30 parts, magnesium oxide, 0.1 part, flyash, 0.2 part, slag, 0.2 part, slag, building waste 0.5 part, waste ceramic 0.1 part, short glass fiber 2 parts, stalk 2 parts, wood chip 2 parts, perlite 3 parts, properties-correcting agent 0 ~ 2 part;
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; Tetraethoxy 5 parts; Sodium hexametaphosphate 99 1 part; Sodium Nitrite 1 part; Water glass 1 part; 3 parts, copper sulfate; Defoamer 1 part; Methylcellulose gum 1 part; 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, stirs, preparation degree Beaume is the magnesium chloride brine of 22 ~ 25;
B, interpolation properties-correcting agent: in the magnesium chloride brine that step a obtains, add properties-correcting agent in proportion, and stir, obtain mixture A;
C, in the mixed solution A described in step b by formula add magnesium oxide, flyash, slag, slag, building waste, waste ceramic, short glass fiber, stalk, wood chip and perlite, stir, obtain mixture B;
D, the mixture B obtained by step c are filled to die for molding, namely 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 causing 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 complete reaction of magnesium oxide, magnesium chloride can being tried one's best, avoids the phenomenon that damp suction surface halide accumulation occurs.
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 collected after combusting coal fines, also known as flying dust, and its chemical composition mainly SiO
2(45 ~ 65%), Al
2o
3(20 ~ 35%) and Fe
2o
3(5 ~ 10%) and CaO(5%) etc.Adding of flyash, the interface friction between slurry and aggregate can be reduced, light spot contact bearing effect in the contact of aggregate, thus improve 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.Do not add domestic waste incineration residue separately in the present invention, because the membership that adds of slag plays detrimental effect to aquation, reduce the intensity of Light trabs.But the present invention is when adding slag, also adding slag, not only can reduce the demand of Light trabs to sandstone further, reduce production cost, reduce the destruction to massif, riverbed; Slag not only has hydraulically active, and its Mg (OH) that can be produced by aquation
2excite, generate secondary hydration product, slag band is come in simultaneously sylvite, sodium salt also can increase the pH value of hydration system, and the activity of activated slag more up hill and dale, makes the intensity of sample increase.Waste ceramic also can improve the intensity of slag, and improves degree of mobilization; Waste ceramic can accelerate grog aquation in early days, accelerates the heat evolution velocity of slag in the later stage.
The chlorine oxygen magnesium fiber Light trabs that the invention provides fills a prescription is prepared from is through detecting, 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 not 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, can realizes the recycle of resource after being pulverized by building waste, reduces production cost.Building waste in grinding process, wherein useless brick and tile grain surface layer generation lattice distortion under the effect of mechanical force in a large number, active site increases, active increase, there is active silica and activated alumina in building waste powder, after mixing 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 after the building waste mixed exceedes amount provided by the invention, in system, magnesia oxychloride cement is containing quantity not sufficient, causes maximum crystallization phases 51.8 phase (the i.e. 5Mg (OH) of intensity contribution
2mgCl
28H
2o) and 318 phases (i.e. 3Mg (OH)
2mgCl
28H
2o) reduce, and the intensity that the hydrated product produced by active silica in building waste and activated alumina is not enough to offset magnesia oxychloride cement minimizing and causes reduces, thus cause the intensity of Light trabs to reduce.
6., in the formula of chlorine oxygen magnesium fiber Light trabs provided by the invention, comprise stalk and wood chip.Straw fiber is in three-dimensional Arbitrary distribution state in the material, its internal structure is changed in slurry process of setting, decrease subsurface defect, improve the continuity of material, straw fiber and the common stress deformation of matrix in material loading process, the load stress that the effect that involves of fiber has relaxed material is concentrated, and matrix is split and constantly and can carry load further, the stretching resistance of material can be made to 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 under the prerequisite ensureing ultimate compression strength, improves the folding strength of Light trabs.
Containing fiber in wood chip, the plasticity-of Light trabs can be improved; Wood chip add the capillary action reducing matrix material, thus decrease the moisture absorption amount of matrix material, the durable and heat conductivility reducing Light trabs is subject to the impact of humidity.But the people that mixes of wood chip leads increase, inevitably can increase the voidage of matrix material, thus 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, it is the lava that sprayed by underground chilling in surface water, perlitic rock interior contains Bound moisture, when this moisture glassy lava is subject to the effect of high temperature, the glassiness will be softened as sticky liquid state by solid-state, inner Bound moisture then 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 plays the effect of suppression Light trabs dilatational strain; Tetraethoxy is gained in strength; Sodium hexametaphosphate 99 is quality improver, promotes and is knotted power; Sodium Nitrite plays hardening accelerator and water reducer; Water glass plays waterproof action; Copper sulfate plays a part to prevent distortion, chap; Material bubble eliminated by defoamer, 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 economized on resources with protection of the environment.
10., in the preparation method of chlorine oxygen magnesium fiber Light trabs provided by the invention, pH=6 ~ 7 of the water of preparation 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, intensity is high in order to prepare, 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 be 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 return 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 embody rule scope of the present invention, protection scope of the present invention is not constituted any limitation.All technical schemes adopting conversion or equivalence to replace and formed, all drop within rights protection scope of the present invention.
embodiment 1
A kind of chlorine oxygen magnesium fiber Light trabs, its formula is the component of following weight part: magnesium chloride brine 40 parts, 20 parts, magnesium oxide, 0.1 part, flyash, 0.2 part, slag, 0.2 part, slag, building waste 0.5 part, waste ceramic 0.1 part, short glass fiber 2 parts, stalk 2 parts, wood chip 2 parts, perlite 3 parts.
Preparation magnesium chloride brine: the water pH of employing is generally at about 6-7, if adopt tap water directly to prepare burden, if when adopting underground water and well water, needing 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: add properties-correcting agent in proportion in the magnesium chloride brine obtained upward, and stir, obtain mixture A.
Add magnesium oxide, flyash, slag, slag, building waste, waste ceramic, short glass fiber, stalk, wood chip and perlite by formula in mixed solution A described upward, stir, obtain mixture B;
Mixture B obtained above is filled to die for molding, after the then demoulding, maintenance, namely obtains described chlorine oxygen magnesium fiber Light trabs.
The chlorine oxygen magnesium fiber Light trabs of the 100mm thickness be prepared from according to above-mentioned formula, its fire performance is 94min, and 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 is without the crack of width more than 0.5mm | —— | Leakless |
| Frost resistance | Should not there is visible crackle and surface 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, its formula is the component of following weight part: magnesium chloride brine 60 parts, 30 parts, magnesium oxide, 0.1 part, flyash, 0.2 part, slag, 0.2 part, slag, building waste 0.5 part, waste ceramic 0.1 part, short glass fiber 2 parts, stalk 2 parts, wood chip 2 parts, perlite 3 parts.Slag is herein for containing SiO
2more acid slag; Described building waste is mainly useless brick and tile, mixed earth, broken sandstone and dregs.
During preparation magnesium chloride brine, the water pH of employing is generally about 6-7, if adopt tap water directly to prepare burden, if when adopting underground water and well water, needing to be adjusted to pH with phosphoric acid or sulfuric acid or sodium hydroxide is 6-7.During external temperature 30 degree in summer, the degree Beaume of magnesium chloride brine is 24.
Add properties-correcting agent: add properties-correcting agent in proportion in the magnesium chloride brine obtained upward, and stir, obtain mixture A.
Add magnesium oxide, flyash, slag, slag, building waste, waste ceramic, short glass fiber, stalk, wood chip and perlite by formula in mixed solution A described upward, stir, obtain mixture B;
Mixture B obtained above is filled to die for molding, after the then demoulding, maintenance, namely obtains described chlorine oxygen magnesium fiber Light trabs.
The chlorine oxygen magnesium fiber Light trabs of the 100mm thickness be prepared from according to above-mentioned formula, its fire performance is 94min, and 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 is without the crack of width more than 0.5mm | —— | Leakless |
| Frost resistance | Should not there is visible crackle and surface 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, its formula is the component of following weight part: magnesium chloride brine 50 parts, 25 parts, magnesium oxide, 0.1 part, flyash, domestic waste incineration residue 0.2 part, 0.2 part, slag, building waste 0.5 part, waste ceramic 0.1 part, short glass fiber 2 parts, stalk 2 parts, wood chip 2 parts, perlite 3 parts.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.
During preparation magnesium chloride brine, the water pH of employing is generally about 6-7, if adopt tap water directly to prepare burden, if when adopting underground water and well water, needing to be adjusted to pH with phosphoric acid or sulfuric acid or sodium hydroxide is 6-7.During external temperature 30 degree in summer, the degree Beaume of magnesium chloride brine is 25.
Add properties-correcting agent: add properties-correcting agent in proportion in the magnesium chloride brine obtained upward, and stir, obtain mixture A.
Add magnesium oxide, flyash, slag, slag, building waste, waste ceramic, short glass fiber, stalk, wood chip and perlite by formula in mixed solution A described upward, stir, obtain mixture B;
Mixture B obtained above is filled to die for molding, after the then demoulding, maintenance, namely obtains described chlorine oxygen magnesium fiber Light trabs.
The chlorine oxygen magnesium fiber Light trabs of the 100mm thickness be prepared from according to above-mentioned formula, its fire performance is 94min, and 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 is without the crack of width more than 0.5mm | —— | Leakless |
| Frost resistance | Should not there is visible crackle and surface 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, its formula is the component of following weight part: magnesium chloride brine 45 parts, 22 parts, magnesium oxide, 0.1 part, flyash, domestic waste incineration residue 0.2 part, 0.2 part, slag, building waste 0.5 part, waste ceramic 0.1 part, short glass fiber 2 parts, stalk 2 parts, wood chip 2 parts, perlite 3 parts, properties-correcting agent 1 part.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, 2 parts, ferrous sulfate; Tetraethoxy 5 parts; Sodium hexametaphosphate 99 1 part; Sodium Nitrite 1 part; Water glass 1 part; 3 parts, copper sulfate; Defoamer 1 part; Methylcellulose gum 1 part; 1 part, gelatin.
During preparation magnesium chloride brine, the water pH of employing is generally about 6 ~ 7, if adopt tap water directly to prepare burden, if when adopting underground water and well water, needing to be adjusted to pH with phosphoric acid or sulfuric acid or sodium hydroxide is 6 ~ 7.During external temperature 30 degree in summer, the degree Beaume of magnesium chloride brine is 24.
Add properties-correcting agent: add properties-correcting agent in proportion in the magnesium chloride brine obtained upward, and stir, obtain mixture A.
Add magnesium oxide, flyash, slag, slag, building waste, waste ceramic, short glass fiber, stalk, wood chip and perlite by formula in mixed solution A described upward, stir, obtain mixture B;
Mixture B obtained above is filled to die for molding, after the then demoulding, maintenance, namely obtains described chlorine oxygen magnesium fiber Light trabs.
The chlorine oxygen magnesium fiber Light trabs of the 100mm thickness be prepared from according to above-mentioned formula, its fire performance is 95min, and 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 is without the crack of width more than 0.5mm | —— | Leakless |
| Frost resistance | Should not there is visible crackle and surface 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, its formula is the component of following weight part: magnesium chloride brine 55 parts, 25 parts, magnesium oxide, 0.1 part, flyash, domestic waste incineration residue 0.2 part, 0.2 part, slag, building waste 0.5 part, waste ceramic 0.1 part, short glass fiber 2 parts, stalk 2 parts, wood chip 2 parts, perlite 3 parts, properties-correcting agent 2 parts.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, 2 parts, ferrous sulfate; Tetraethoxy 5 parts; Sodium hexametaphosphate 99 1 part; Sodium Nitrite 1 part; Water glass 1 part; 3 parts, copper sulfate; Defoamer 1 part; Methylcellulose gum 1 part; 1 part, gelatin.
During preparation magnesium chloride brine, the water pH of employing is generally about 6 ~ 7, if adopt tap water directly to prepare burden, if when adopting underground water and well water, needing to be adjusted to pH with phosphoric acid or sulfuric acid or sodium hydroxide is 6 ~ 7.During external temperature 30 degree in summer, the degree Beaume of magnesium chloride brine is 25.
Add properties-correcting agent: add properties-correcting agent in proportion in the magnesium chloride brine obtained upward, and stir, obtain mixture A.
Add magnesium oxide, flyash, slag, slag, building waste, waste ceramic, short glass fiber, stalk, wood chip and perlite by formula in mixed solution A described upward, stir, obtain mixture B;
Mixture B obtained above is filled to die for molding, after the then demoulding, maintenance, namely obtains described chlorine oxygen magnesium fiber Light trabs.
The chlorine oxygen magnesium fiber Light trabs of the 100mm thickness be prepared from according to above-mentioned formula, its fire performance is 96min, and 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 is without the crack of width more than 0.5mm | —— | Leakless |
| Frost resistance | Should not there is visible crackle and surface 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 (4)
1. a chlorine oxygen magnesium fiber Light trabs, is characterized in that, the formula of described chlorine oxygen magnesium fiber Light trabs is the component of following weight part: magnesium chloride brine 40 ~ 60 parts, 20 ~ 30 parts, magnesium oxide, 0.1 part, flyash, 0.2 part, slag, 0.2 part, slag, building waste 0.5 part, waste ceramic 0.1 part, short glass fiber 2 parts, stalk 2 parts, wood chip 2 parts, perlite 3 parts, properties-correcting agent 0 ~ 2 part; Described properties-correcting agent number is not 0;
The degree Beaume of described magnesium chloride brine is 22 ~ 25;
Described properties-correcting agent is made up of the component of following weight parts: 2 parts, ferrous sulfate; Tetraethoxy 5 parts; Sodium hexametaphosphate 99 1 part; Sodium Nitrite 1 part; Water glass 1 part; 3 parts, copper sulfate; Defoamer 1 part; Methylcellulose gum 1 part; 1 part, gelatin.
2. the chlorine oxygen magnesium fiber Light trabs according to right 1, it is characterized in that, described slag is domestic waste incineration residue.
3. the preparation method of the chlorine oxygen magnesium fiber Light trabs according to any one of claim 1-2, 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, stirs, preparation degree Beaume is the magnesium chloride brine of 22 ~ 25;
B, interpolation properties-correcting agent: in the magnesium chloride brine that step a obtains, add properties-correcting agent in proportion, and stir, obtain mixture A;
C, in the mixture A described in step b by formula add magnesium oxide, flyash, slag, slag, building waste, waste ceramic, short glass fiber, stalk, wood chip and perlite, stir, obtain mixture B;
D, the mixture B obtained by step c are filled to die for molding, namely obtain described chlorine oxygen magnesium fiber Light trabs after the then demoulding, maintenance.
4. the preparation method of chlorine oxygen magnesium fiber Light trabs according to claim 3, is characterized in that, the thickness of the chlorine oxygen magnesium fiber Light trabs described in steps d is 100mm.
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| 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 |
| US10167230B1 (en) * | 2017-11-07 | 2019-01-01 | Jet Products, Llc | Ultra stable tile backer board formulation |
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| 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 |
| CN111848075B (en) * | 2020-07-29 | 2022-08-19 | 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 |
| 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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| WO2007139183A1 (en) * | 2006-05-31 | 2007-12-06 | Panasonic Corporation | Plasma display panel and method for manufacturing the same |
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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 |
| CN103613358A (en) * | 2013-11-15 | 2014-03-05 | 眭良 | Magnesite plant straw ash heat-preserving product and realizing method |
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