CN108609985A - A kind of preparation method that fibre modification cement base is non-burning brick - Google Patents
A kind of preparation method that fibre modification cement base is non-burning brick Download PDFInfo
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- CN108609985A CN108609985A CN201810463132.6A CN201810463132A CN108609985A CN 108609985 A CN108609985 A CN 108609985A CN 201810463132 A CN201810463132 A CN 201810463132A CN 108609985 A CN108609985 A CN 108609985A
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- burning brick
- cement base
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Classifications
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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
- C04B28/14—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 calcium sulfate 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
Abstract
The present invention relates to construction material preparing technical fields, and in particular to the non-burning brick preparation method of fibre modification cement base.The present invention is using modified abrasive powder as base material, treated basalt fiber and shaping phase-change material powder are as modifying agent, and it is aided with flyash and land plaster etc. fibre modification cement base is prepared and is non-burning brick, first by polyvinyl alcohol, in lauryl sodium sulfate and deionized water mixing incorporation Portland cement, once moisture evaporation in mixture, polyvinyl alcohol starts shrink polymerization filling in the gap of crystal, moisture is prevented to immerse, polyethylene glycol stearate is recycled to be modified basalt fibre, basalt fibre stick to each other plays the role of support base material simultaneously, reduce the internal void of brick laying structure, the tetradecane is adsorbed on white carbon surface, obtain shaping phase-change material, and it will be in shaping phase-change material incorporation system, it is prevented using heat or system liquid is delayed to freeze, it is with a wide range of applications.
Description
Technical field
The present invention relates to construction material preparing technical fields, and in particular to the non-burning brick preparation side of fibre modification cement base
Method.
Background technology
Non-burning brick refers to utilizing shale, cinder, gangue, mine tailings, residue of chemical industry or natural sand, tidal land mud etc.（More than
The one or several kinds of raw material）As primary raw material, a kind of novel wall material for being manufactured without high-temperature calcination.The product meets
The development building materials general policy of Chinese " protect the fields, is energy saving, adaptation to local conditions, gathering materials on the spot ", has been widely used in building
In industry.
Non-burning brick is to utilize rational scientific formula, and coagulator and chemical additives are added according to a certain percentage, make
Granularity, humidity, the rational apparatus and process intensive treatment of mixability, reach best plastic state, by high pressure compression moulding,
Keep brick body rapid curing, the time is longer, and effect is better.Due to this kind of strength of materials height, durability is good, dimensional standard, shape are complete
It is whole, color and luster is uniform, with primitive simplicity and nature appearance, can do dry wall can also do any external decoration.Therefore, it is that a kind of substitution is viscous
The extremely promising renewal product of cob brick.
Non-burning brick practicability is good, does not have to impregnate when building a wall, appearance is neat, still, due to without high-temperature calcination, brick body
Generally existing hardness is not high, usage time is not grown, the defect that easy to crack, poor water resistance, freeze-thaw resistance are poor, brick body is heavy.It is this to build
Some stomatas are will produce after building material molding, soundproof effect is poorer than traditional fired brick, some buildings are imitated to enhance sound insulation
Fruit will be cooked sound insulation processing, for monolithic architecture, increased input, increased the use cost of building.In addition, traditional exempts from
Corrosion resistance of baking bricks is poor, is easy to be corroded after being used for a long time under pickling or alkaline environment.
Therefore, there is an urgent need for develop it is a kind of can solve the above problems non-burning brick be highly desirable.
Invention content
The technical problems to be solved by the invention：Not for non-burning brick there are freeze-thaw resistances poor, soundproof effect common at present
It is good, it can not meet the defect of market demands, provide a kind of preparation method that fibre modification cement base is non-burning brick.
In order to solve the above technical problems, the present invention is using technical solution as described below：
A kind of preparation method that fibre modification cement base is non-burning brick, it is characterised in that specifically preparation process is：
（1）White carbon and the tetradecane are mixed to be placed in vacuum pump and reacted so that the tetradecane is adsorbed on white carbon surface, obtains anti-
Product is answered, and crosses 80 mesh sieve after reaction product is ground, obtains shaping phase-change material powder；
（2）Basalt fibre and polyethylene glycol stearate are mixed to be placed in kneading machine and are kneaded, treated basalt fiber is obtained；
（3）It weighs 0.2~0.3kg Portland cements to grind, obtains abrasive flour, then by abrasive flour, polyethylene
Alcohol, lauryl sodium sulfate and deionized water mixing are placed in reaction kettle and are stirred to react, and obtain reaction material, continue to set reaction material
It is dry in baking oven, it collects dried object and crosses 80 mesh sieve after grinding, obtain modified abrasive powder；
（4）It counts in parts by weight, weighs 35~42 parts of modified abrasive powder, 16~20 parts of treated basalt fibers, 6~8 respectively
Part shaping phase-change material powder, 3~5 parts of flyash, 1~3 part of land plaster and 24~27 parts of deionized waters mixing are placed in blender
In, it is stirred under conditions of rotating speed is 160~200r/min, obtains mixture, then mixture is poured into brick machine and is pressed into
Type obtains non-burning brick green body, finally carries out water spray processing to non-burning brick billet surface, dry discharging is to get fibre modification cement
Base is non-burning brick.
Step（1）The mass ratio of the white carbon and the tetradecane is 3：1, reaction pressure is 0.03~0.05MPa, reaction
Time is 18~21min, and milling time is 21~24min.
Step（2）The mass ratio of the basalt fibre and polyethylene glycol stearate is 4：1, whipping temp be 48~
56 DEG C, mixing time is 16~21min.
Step（3）The time that grinds is 16~21min, abrasive flour, polyvinyl alcohol, lauryl sodium sulfate
Mass ratio with deionized water is 5：2：1：3, it is 95~100 DEG C to be stirred to react temperature, and it is 35~45min to be stirred to react the time,
Drying temperature is 81~85 DEG C, and drying time is 21~24min, and milling time is 15~18min.
Step（4）The mixing time is 1~2h, and compression moulding temperature is 145~160 DEG C, and compression moulding pressure is 3
~5MPa, water spray processing time are 10~12h.
Compared with other methods, advantageous effects are the present invention：
（1）The present invention using modified abrasive powder as base material, treated basalt fiber and shaping phase-change material powder as modifying agent,
And it is non-burning brick to be aided with flyash and land plaster etc. and be prepared fibre modification cement base, first by polyvinyl alcohol, dodecyl sulphur
In sour sodium and deionized water mixing incorporation Portland cement, after mixture obtains being sufficiently stirred, in mixture
Even dispersion, once moisture evaporation in mixture, polyvinyl alcohol, which starts to shrink, to be polymerize and forms network structure, is filled between crystal
In gap, keep hardenite closely knit, while capillary through holes can be blocked, prevents moisture from immersing so that base material or the freeze-thaw split of system
Intensity is improved, and to improve non-burning brick freeze-thaw resistance, polyethylene glycol stearate is recycled to carry out basalt fibre
It is modified so that its surface texture is roughening, increases its contact area with base material, can increase substantially glutinous between interface
Intensity is closed, while basalt fibre stick to each other plays the role of support base material, reduces the internal void of brick laying structure, significantly
Ground improves the impermeability of brick body, and moisture is made to be not easy to invade brick body internal interstices, reduces the icing of water in hole, in addition profound
The elasticity modulus relative infancy system of military rock fiber improves, and so that brick body microcrack is reduced, improves the anti-freezing property of brick body, favorably
It is improved in non-burning brick freeze-thaw resistance；
（2）By white carbon and the tetradecane hybrid reaction under vacuum in the present invention so that the tetradecane is adsorbed on white carbon table
Face, obtains shaping phase-change material, and by shaping phase-change material incorporation system, when brick body temperature is reduced close to the phase of phase-change material
When height, Liquid-solid conversion will occur for liquid phase change material, this process can discharge a large amount of heat, using this heat prevent or
System liquid is delayed to freeze, while base material or system internal void are partially filled with by powdered shaping phase-change material, to carry
The high compactness of base material or system, reduces porosity, outside moisture hardly enters inside base material or system, and in addition shape phase
The incorporation for becoming material, increases base material or the thickness of system, reduces the penetration capacity of moisture, to improve base material or system
Freeze-thaw split intensity is conducive to non-burning brick freeze-thaw resistance and is improved, and filler is added in continuation in the substrate, is formed in system
Multilayer is netted and vesicular texture reaches sound insulation effect using its porous media, to improve non-burning brick sound-proofing, tool
Have wide practical use.
Specific implementation mode
It is 3 in mass ratio：1 is placed in white carbon and tetradecane mixing in vacuum pump, is 0.03~0.05MPa's in pressure
Under the conditions of react 18~21min so that the tetradecane is adsorbed on white carbon surface, obtains reaction product, and reaction product is ground
80 mesh sieve is crossed after 21~24min, obtains shaping phase-change material powder；It is 4 in mass ratio：1 by basalt fibre and polyethylene glycol
Stearate mixing is placed in kneading machine, and 16~21min is kneaded under conditions of temperature is 48~56 DEG C, obtains modified basalt
Fiber；It weighs 0.2~0.3kg Portland cements and grinds 16~21min, obtain abrasive flour, then be in mass ratio
5：2：1：3 are placed in the mixing of abrasive flour, polyvinyl alcohol, lauryl sodium sulfate and deionized water in reaction kettle, are in temperature
It is stirred to react 35~45min under conditions of 95~100 DEG C, obtains reaction material, continues reaction material being placed in baking oven, is in temperature
Dry 21~24min under conditions of 81~85 DEG C collects dried object and crosses 80 mesh sieve after grinding 15~18min, obtains modification and grind
Milling end；It counts in parts by weight, weighs 35~42 parts of modified abrasive powder, 16~20 parts of treated basalt fibers, 6~8 respectively
Part shaping phase-change material powder, 3~5 parts of flyash, 1~3 part of land plaster and 24~27 parts of deionized waters mixing are placed in blender
In, 1~2h is stirred under conditions of rotating speed is 160~200r/min, obtains mixture, then mixture is poured into brick machine,
Compression moulding under conditions of temperature is 145~160 DEG C, pressure is 3~5MPa, obtains non-burning brick green body, finally to non-burning brick
Billet surface carries out 10~12h of water spray processing, and dry discharging is non-burning brick to get fibre modification cement base.
Example 1
It is 3 in mass ratio：1 is placed in white carbon and tetradecane mixing in vacuum pump, is reacted under conditions of pressure is 0.03MPa
18min so that the tetradecane is adsorbed on white carbon surface, obtains reaction product, and cross 80 mesh after reaction product is ground 21min
Sieve, obtains shaping phase-change material powder；It is 4 in mass ratio：1 basalt fibre and polyethylene glycol stearate are mixed be placed in it is mixed
In mill, it is kneaded 16min under conditions of temperature is 48 DEG C, obtains treated basalt fiber；Weigh 0.2kg normal silicate water
Mud grinds 16min, obtains abrasive flour, then is 5 in mass ratio：2：1：3 by abrasive flour, polyvinyl alcohol, dodecyl
Sodium sulphate and deionized water mixing are placed in reaction kettle, are stirred to react 35min under conditions of temperature is 95 DEG C, are reacted
Material, continues reaction material being placed in baking oven, and dry 21min under conditions of temperature is 81 DEG C collects dried object and grinds 15min
80 mesh sieve is crossed afterwards, obtains modified abrasive powder；It counts in parts by weight, it is profound to weigh 35 parts of modified abrasive powder, 16 parts of modifications respectively
Military rock fiber, 6 parts of shaping phase-change material powder, 3 parts of flyash, 1 part of land plaster and 24 parts of deionized water mixing are placed in blender
In, 1h is stirred under conditions of rotating speed is 160r/min, mixture is obtained, then mixture is poured into brick machine, is in temperature
145 DEG C, pressure be 3MPa under conditions of compression moulding, obtain non-burning brick green body, finally spray water to non-burning brick billet surface
10h is handled, dry discharging is non-burning brick to get fibre modification cement base.
Example 2
It is 3 in mass ratio：1 is placed in white carbon and tetradecane mixing in vacuum pump, is reacted under conditions of pressure is 0.04MPa
19min so that the tetradecane is adsorbed on white carbon surface, obtains reaction product, and cross 80 mesh after reaction product is ground 22min
Sieve, obtains shaping phase-change material powder；It is 4 in mass ratio：1 basalt fibre and polyethylene glycol stearate are mixed be placed in it is mixed
In mill, it is kneaded 18min under conditions of temperature is 50 DEG C, obtains treated basalt fiber；Weigh 0.2kg normal silicate water
Mud grinds 19min, obtains abrasive flour, then is 5 in mass ratio：2：1：3 by abrasive flour, polyvinyl alcohol, dodecyl
Sodium sulphate and deionized water mixing are placed in reaction kettle, are stirred to react 40min under conditions of temperature is 97 DEG C, are reacted
Material, continues reaction material being placed in baking oven, and dry 22min under conditions of temperature is 83 DEG C collects dried object and grinds 17min
80 mesh sieve is crossed afterwards, obtains modified abrasive powder；It counts in parts by weight, it is profound to weigh 38 parts of modified abrasive powder, 18 parts of modifications respectively
Military rock fiber, 7 parts of shaping phase-change material powder, 4 parts of flyash, 2 parts of land plasters and 26 parts of deionized water mixing are placed in blender
In, 1.5h is stirred under conditions of rotating speed is 180r/min, mixture is obtained, then mixture is poured into brick machine, in temperature
Compression moulding under conditions of being 4MPa for 153 DEG C, pressure, obtains non-burning brick green body, is finally sprayed to non-burning brick billet surface
Water process 11h, dry discharging are non-burning brick to get fibre modification cement base.
Example 3
It is 3 in mass ratio：1 is placed in white carbon and tetradecane mixing in vacuum pump, is reacted under conditions of pressure is 0.05MPa
21min so that the tetradecane is adsorbed on white carbon surface, obtains reaction product, and cross 80 mesh after reaction product is ground 24min
Sieve, obtains shaping phase-change material powder；It is 4 in mass ratio：1 basalt fibre and polyethylene glycol stearate are mixed be placed in it is mixed
In mill, it is kneaded 21min under conditions of temperature is 56 DEG C, obtains treated basalt fiber；Weigh 0.3kg normal silicate water
Mud grinds 21min, obtains abrasive flour, then is 5 in mass ratio：2：1：3 by abrasive flour, polyvinyl alcohol, dodecyl
Sodium sulphate and deionized water mixing are placed in reaction kettle, are stirred to react 45min under conditions of temperature is 100 DEG C, are reacted
Material, continues reaction material being placed in baking oven, and dry 24min under conditions of temperature is 85 DEG C collects dried object and grinds 18min
80 mesh sieve is crossed afterwards, obtains modified abrasive powder；It counts in parts by weight, it is profound to weigh 42 parts of modified abrasive powder, 20 parts of modifications respectively
Military rock fiber, 8 parts of shaping phase-change material powder, 5 parts of flyash, 3 parts of land plasters and 27 parts of deionized water mixing are placed in blender
In, 2h is stirred under conditions of rotating speed is 200r/min, mixture is obtained, then mixture is poured into brick machine, is in temperature
160 DEG C, pressure be 5MPa under conditions of compression moulding, obtain non-burning brick green body, finally spray water to non-burning brick billet surface
12h is handled, dry discharging is non-burning brick to get fibre modification cement base.
Comparative example
With company of Beijing production it is non-burning brick as a comparison case
Non-burning brick in and comparative example non-burning brick to fibre modification cement base produced by the present invention is detected, testing result such as table
Shown in 1：
Sound-absorbing is tested
Acoustic absorptivity（α）：The acoustic energy that material absorbs and the ratio between the total acoustic energy being incident on material.
α=E α/Ei=(Ei-Er)/Ei=1-r
Ei：Incident acoustic energy；
Eα：The acoustic energy absorbed by material or structure；
Er：The acoustic energy reflected by material or structure；
r：Reflectance factor.
The acoustic absorptivity of general material or structure, α values are bigger, indicate that sound absorption can be better, it is current characterization sound absorbing performance
Most common parameter.
Corrosion resistance is tested
Will be non-burning brick during fibre modification cement base produced by the present invention is non-burning brick and comparative example, it is placed in acid test liquid for 24 hours,
Observe its surface corrosion situation.
1 performance measurement result of table
From the data in table 1, it can be seen that fibre modification cement base produced by the present invention is non-burning brick, there is excellent in mechanical performance, impact resistance
Can good, good waterproof performance, freeze-thaw resistance it is strong, application effect is notable, has wide prospect of the application.
Claims (5)
1. a kind of preparation method that fibre modification cement base is non-burning brick, it is characterised in that specifically preparation process is：
（1）White carbon and the tetradecane are mixed to be placed in vacuum pump and reacted so that the tetradecane is adsorbed on white carbon surface, obtains anti-
Product is answered, and crosses 80 mesh sieve after reaction product is ground, obtains shaping phase-change material powder；
（2）Basalt fibre and polyethylene glycol stearate are mixed to be placed in kneading machine and are kneaded, treated basalt fiber is obtained；
（3）It weighs 0.2~0.3kg Portland cements to grind, obtains abrasive flour, then by abrasive flour, polyethylene
Alcohol, lauryl sodium sulfate and deionized water mixing are placed in reaction kettle and are stirred to react, and obtain reaction material, continue to set reaction material
It is dry in baking oven, it collects dried object and crosses 80 mesh sieve after grinding, obtain modified abrasive powder；
（4）It counts in parts by weight, weighs 35~42 parts of modified abrasive powder, 16~20 parts of treated basalt fibers, 6~8 respectively
Part shaping phase-change material powder, 3~5 parts of flyash, 1~3 part of land plaster and 24~27 parts of deionized waters mixing are placed in blender
In, it is stirred under conditions of rotating speed is 160~200r/min, obtains mixture, then mixture is poured into brick machine and is pressed into
Type obtains non-burning brick green body, finally carries out water spray processing to non-burning brick billet surface, dry discharging is to get fibre modification cement
Base is non-burning brick.
2. a kind of preparation method that fibre modification cement base is non-burning brick according to claim 1, it is characterised in that：Step
（1）The mass ratio of the white carbon and the tetradecane is 3：1, reaction pressure be 0.03~0.05MPa, the reaction time be 18~
21min, milling time are 21~24min.
3. a kind of preparation method that fibre modification cement base is non-burning brick according to claim 1, it is characterised in that：Step
（2）The mass ratio of the basalt fibre and polyethylene glycol stearate is 4：1, whipping temp is 48~56 DEG C, when stirring
Between be 16~21min.
4. a kind of preparation method that fibre modification cement base is non-burning brick according to claim 1, it is characterised in that：Step
（3）Described to grind the time be 16~21min, abrasive flour, polyvinyl alcohol, lauryl sodium sulfate and deionized water
Mass ratio is 5：2：1：3, it is 95~100 DEG C to be stirred to react temperature, and it is 35~45min, drying temperature 81 to be stirred to react the time
~85 DEG C, drying time is 21~24min, and milling time is 15~18min.
5. a kind of preparation method that fibre modification cement base is non-burning brick according to claim 1, it is characterised in that：Step
（4）The mixing time is 1~2h, and compression moulding temperature is 145~160 DEG C, and compression moulding pressure is 3~5MPa, water spray
Processing time is 10~12h.
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| CN201810463132.6A CN108609985A (en) | 2018-05-15 | 2018-05-15 | A kind of preparation method that fibre modification cement base is non-burning brick |
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| CN201810463132.6A CN108609985A (en) | 2018-05-15 | 2018-05-15 | A kind of preparation method that fibre modification cement base is non-burning brick |
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