CN108503312A - A kind of thermal insulation concrete and preparation method thereof - Google Patents
A kind of thermal insulation concrete and preparation method thereof Download PDFInfo
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- CN108503312A CN108503312A CN201810440069.4A CN201810440069A CN108503312A CN 108503312 A CN108503312 A CN 108503312A CN 201810440069 A CN201810440069 A CN 201810440069A CN 108503312 A CN108503312 A CN 108503312A
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- thermal insulation
- cement
- concrete
- insulation concrete
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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
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of thermal insulation concrete, raw material includes according to parts by weight：600 1000 parts of cement, 900 1300 parts of sand, 135 160 parts of water, 100 200 parts of expanded perlite, 30 70 parts of aragonite emery dust, 180 300 parts of swelling agent, 200 300 parts of lithium bentonite, invention additionally discloses preparation method, (1), batch mixings：Above-mentioned raw materials are added in blender in parts by weight and are mixed；(2), it reacts：Batch mixing carries out ion-exchange reactions；(3), it is molded：Finished product after reaction is granulated by double screw extruder, by melting extrusion forming；(4), ultrasonic wave solidified：It is put into self-control ultrasonic vibration apparatus and is cured using rated power；(5), it conserves：It conserves in fog room and demoulds for 24 hours, then conserve 28d under conditions of temperature is 20 ± 2 DEG C, humidity is 90%.The present invention realizes the heat insulation effect of concrete itself, while that innovates is cured using ultrasonic wave, not only so that water and speed are accelerated, also so that the concrete being fabricated is more preferable in heat insulation effect.
Description
Technical field
The present invention relates to technical field of concrete preparation, specifically a kind of thermal insulation concrete and preparation method thereof.
Background technology
Concrete：Refer to by cementitious material by the general designation of the cementing integral engineered composite material of aggregate.That usually says is mixed
One word of solidifying soil refers to making cementitious material, sand, masonry aggregate with cement；Match by a certain percentage with water (additive and admixture can be contained)
Close, it is agitated obtained by cement concrete, also referred to as normal concrete, it is widely used in civil engineering.Cement, lime, gypsum
Equal inorganic coagulation materials are mixed and stirred with water makes concrete mix have plasticity；And then it is condensed by chemically and physically chemical action
It hardens and generates intensity.It is, in general, that drinking water can all meet the requirement of concrete mixing water.Excessive acid, alkali, salt in water
With organic matter can all harmful influence be generated on concrete.Aggregate not only has filling effect, but also to the unit weight of concrete, intensity
It is had a major impact with properties such as deformations.
In recent years, the facilities such as the heating of house and public building, air-conditioning, illumination and household electrical appliance consumption account for the whole world three/
One energy, mainly fossil energy.And to be the earth experienced fossil energy fuel 1 years is just formed, it will be in several generations
Between it is depleted.So building energy conservation is reasonable employment and effective use of energy sources under construction, using energy source energy is continuously improved
Source.It is referred to as in some sense " improving energy utilization rate in building ".That is, be not energy saving on passive meaning, and
It is that utilization ratio is improved from positive effect.
China carries out the heat-insulated of indoor temperature using the exterior wall external insulation material at present, however this prior art
In external wall outer insulation material generally existing price, thermal coefficient is big, than the hidden danger such as great, easy to fall off, moisture resistance is poor, and
It is unfavorable that the organic composition and penetrating odor of Conventional insulation work in-process addition easily generate health and environment
It influences, it would therefore be desirable to from source, a kind of concrete that can be kept the temperature of design is to meet the needs of modern architecture.
Invention content
The purpose of the present invention is to provide a kind of thermal insulation concretes and preparation method thereof, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides the following technical solutions：
A kind of thermal insulation concrete, raw material include according to parts by weight：600-1000 parts of cement, 900-1300 parts of sand, water
135-160 parts, 100-200 parts of expanded perlite, 30-70 parts of aragonite emery dust, 180-300 parts of swelling agent, lithium bentonite 200-
300 parts.
As a further solution of the present invention：Its raw material includes according to parts by weight：700-900 parts of cement, sand 1000-1200
Part, 140-150 parts of water, 120-180 parts of expanded perlite, 40-60 parts of aragonite emery dust, 120-260 parts of swelling agent, lithium bentonite
230-280 parts.
As a further solution of the present invention：Its raw material includes according to parts by weight：800 parts of cement, 1100 parts of sand, water 145
Part, 150 parts of expanded perlite, 50 parts of aragonite emery dust, 200 parts of swelling agent, 250 parts of lithium bentonite.
As a further solution of the present invention：The cement is Portland cement, strength of cement grade >=52.5.
As a further solution of the present invention：The swelling agent is calcium sulphoaluminate.
A kind of preparation method of thermal insulation concrete, includes the following steps:
(1), batch mixing：Above-mentioned raw materials are added in blender in parts by weight and are mixed, speed of agitator 20-30r/
Min, time control is in 5-10min；
(2), it reacts：Batch mixing carry out ion-exchange reactions, vacuum degree 3500-4000Pa, temperature at 200 DEG C -240 DEG C,
Speed of agitator is 60-80r/min, mixing time 30-60min；Polycondensation reaction, vacuum degree 80-95Pa are carried out again, and temperature exists
240 DEG C -260 DEG C, reaction time 60-110min；
(3), it is molded：Finished product after reaction is granulated by double screw extruder, rotating speed 800-900r/min, by melting
Extrusion forming；
(4), ultrasonic wave solidified：It is put into self-control ultrasonic vibration apparatus and is cured using rated power；
(5), it conserves：It conserves in fog room and demoulds for 24 hours, then supported under conditions of temperature is 20 ± 2 DEG C, humidity is 90%
Protect 28d.
As further scheme of the invention：The ultrasonic laser wavelength is 532nm or 1064nm, pulsewidth 1-
30ns, pulse energy 1-300m.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of thermal insulation concrete and preparation method thereof, novel in design, rational technology is swollen by being added in ordinary cement
Swollen perlite, aragonite emery dust, swelling agent and lithium bentonite realize the heat insulation effect of concrete itself, while that innovates adopts
Cured with ultrasonic wave, not only so that water and speed are accelerated, also so that the concrete being fabricated is more preferable in heat insulation effect, and
Density is also suitable for.
Specific implementation mode
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
The every other embodiment that art personnel are obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1
In the embodiment of the present invention 1, a kind of thermal insulation concrete, raw material includes according to parts by weight：600 parts of cement, sand 900
Part, 135 parts of water, 100 parts of expanded perlite, 30 parts of aragonite emery dust, 180 parts of swelling agent, 200 parts of lithium bentonite, the cement
It is Portland cement, strength of cement grade >=52.5, the swelling agent is calcium sulphoaluminate.
The preparation method of above-mentioned concrete, includes the following steps：
(1), batch mixing：Above-mentioned raw materials are added in blender in parts by weight and are mixed, speed of agitator 20r/min,
Time control is in 5min；
(2), it reacts：Batch mixing carries out ion-exchange reactions, vacuum degree 3500Pa, and temperature is in 200 DEG C, speed of agitator
60r/min, mixing time 30min；Polycondensation reaction, vacuum degree 80Pa are carried out again, and temperature is in 240 DEG C DEG C, reaction time
60min；
(3), it is molded：Finished product after reaction is granulated by double screw extruder, rotating speed 800r/min is extruded by melting
Type；
(4), ultrasonic wave solidified：It is put into self-control ultrasonic vibration apparatus and is cured using rated power, the ultrasound
Optical maser wavelength is 532nm, pulsewidth 1ns, pulse energy 1m；
(5), it conserves：It conserves in fog room and demoulds for 24 hours, then conserved under conditions of temperature is 20 DEG C, humidity is 90%
28d。
Embodiment 2
In the embodiment of the present invention 2, a kind of thermal insulation concrete, raw material includes according to parts by weight：1000 parts of cement, sand 1300
Part, 160 parts of water, 200 parts of expanded perlite, 70 parts of aragonite emery dust, 300 parts of swelling agent, 300 parts of lithium bentonite, the cement
It is Portland cement, strength of cement grade >=52.5, the swelling agent is calcium sulphoaluminate.
The preparation method of above-mentioned concrete, includes the following steps：
(1), batch mixing：Above-mentioned raw materials are added in blender in parts by weight and are mixed, speed of agitator 30r/min,
Time control is in 10min；
(2), it reacts：Batch mixing carries out ion-exchange reactions, vacuum degree 4000Pa, and temperature is in 240 DEG C, speed of agitator
80r/min, mixing time 60min；Polycondensation reaction, vacuum degree 95Pa are carried out again, and temperature is in 260 DEG C, reaction time
110min；
(3), it is molded：Finished product after reaction is granulated by double screw extruder, rotating speed 900r/min is extruded by melting
Type；
(4), ultrasonic wave solidified：It is put into self-control ultrasonic vibration apparatus and is cured using rated power, the ultrasound
Optical maser wavelength is 1064nm, pulsewidth 30ns, pulse energy 300m；
(5), it conserves：It conserves in fog room and demoulds for 24 hours, then conserved under conditions of temperature is 22 DEG C, humidity is 90%
28d。
Embodiment 3
In the embodiment of the present invention 3, a kind of thermal insulation concrete, raw material includes according to parts by weight：700 parts of cement, sand 1000
Part, 140 parts of water, 120 parts of expanded perlite, 40 parts of aragonite emery dust, 120 parts of swelling agent, 230 parts of lithium bentonite, the cement
It is Portland cement, strength of cement grade >=52.5, the swelling agent is calcium sulphoaluminate.
The preparation method of above-mentioned concrete, includes the following steps：
(1), batch mixing：Above-mentioned raw materials are added in blender in parts by weight and are mixed, speed of agitator 25r/min,
Time control is in 7min；
(2), it reacts：Batch mixing progress ion-exchange reactions, vacuum degree 3800Pa, 220 DEG C of temperature, speed of agitator are
70r/min, mixing time 50min；Polycondensation reaction, vacuum degree 85Pa are carried out again, and temperature is in 250 DEG C, reaction time
70min；
(3), it is molded：Finished product after reaction is granulated by double screw extruder, rotating speed 850r/min is extruded by melting
Type；
(4), ultrasonic wave solidified：It is put into self-control ultrasonic vibration apparatus and is cured using rated power, the ultrasound
Optical maser wavelength is 532nm, pulsewidth 15ns, pulse energy 150m；
(5), it conserves：It conserves in fog room and demoulds for 24 hours, then conserved under conditions of temperature is 21 DEG C, humidity is 90%
28d。
Embodiment 4
In the embodiment of the present invention 4, a kind of thermal insulation concrete, raw material includes according to parts by weight：900 parts of cement, sand 1200
Part, 150 parts of water, 180 parts of expanded perlite, 60 parts of aragonite emery dust, 260 parts of swelling agent, 280 parts of lithium bentonite, the cement
It is Portland cement, strength of cement grade >=52.5, the swelling agent is calcium sulphoaluminate.
The preparation process of above-mentioned thermal insulation concrete is consistent with embodiment 3.
Embodiment 5
In the embodiment of the present invention 5, a kind of thermal insulation concrete, raw material includes according to parts by weight：800 parts of cement, sand 1100
Part, 145 parts of water, 150 parts of expanded perlite, 50 parts of aragonite emery dust, 200 parts of swelling agent, 250 parts of lithium bentonite, the cement
It is Portland cement, strength of cement grade >=52.5, the swelling agent is calcium sulphoaluminate.
The preparation process of above-mentioned thermal insulation concrete is consistent with embodiment 3.
Comparative example 1
In addition to without containing expanded perlite and aragonite emery dust, remaining formula is consistent with embodiment 5 with preparation process.
Comparative example 2
In addition to without containing swelling agent and lithium bentonite, remaining formula is consistent with embodiment 5 with preparation process.
Comparative example 3
Only lack ultrasonic wave solidified process in preparation process, formula is consistent with embodiment 5 with remaining preparation process.
By thermal insulation concrete construction obtained by the present invention in metope reinforcing bar, construction thickness is 17cm, is covered and is supported with plastic cloth
Shield 3 days, then the metope of natural curing 29 days to get the concrete construction, later carry out the metope of the concrete construction close
The detection of degree and thermal coefficient, refers to following table：
| Density (kg/m3) | Thermal coefficient (W/mK) | |
| Embodiment 1 | 500 | 0.265 |
| Embodiment 2 | 800 | 0.156 |
| Embodiment 3 | 700 | 0.235 |
| Embodiment 4 | 750 | 0.125 |
| Embodiment 5 | 725 | 0.117 |
| Comparative example 1 | 750 | 0.625 |
| Comparative example 2 | 800 | 0.563 |
| Comparative example 3 | 725 | 0.312 |
It is obtained by upper table, the construction of metope has been carried out to concrete made from embodiment 1-5 and comparative example 1-3, as a result table
Bright, the present invention is especially expanded perlite, aragonite emery dust, swelling agent, lithium bentonite under the collective effect of each component
In the presence of so that the heat insulation effect of the metope of the concrete construction is notable, and density is also suitable for, while in preparation process in the present invention
In ultrasonic wave solidified process so that the heat insulation effect for the concrete prepared is more preferable.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. a kind of thermal insulation concrete, which is characterized in that its raw material includes according to parts by weight：600-1000 parts of cement, sand 900-
1300 parts, 135-160 parts of water, 100-200 parts of expanded perlite, 30-70 parts of aragonite emery dust, 180-300 parts of swelling agent, lithium base it is swollen
Moisten 200-300 parts of soil.
2. a kind of thermal insulation concrete according to claim 1, which is characterized in that its raw material includes according to parts by weight：Cement
700-900 parts, 1000-1200 parts of sand, 140-150 parts of water, 120-180 parts of expanded perlite, 40-60 parts of aragonite emery dust, expansion
120-260 parts of agent, 230-280 parts of lithium bentonite.
3. a kind of thermal insulation concrete according to claim 1, which is characterized in that its raw material includes according to parts by weight：Cement
800 parts, 1100 parts of sand, 145 parts of water, 150 parts of expanded perlite, 50 parts of aragonite emery dust, 200 parts of swelling agent, lithium bentonite 250
Part.
4. according to a kind of thermal insulation concrete described in claim 1-3 any one, which is characterized in that the cement is ordinary silicon
Acid salt cement, strength of cement grade >=52.5.
5. according to a kind of thermal insulation concrete described in claim 1-3 any one, which is characterized in that the swelling agent is sulphur aluminium
Sour calcium.
6. a kind of a kind of preparation method of thermal insulation concrete as described in claim 1-3 any one, which is characterized in that including
Following steps：
(1), batch mixing：Above-mentioned raw materials are added in blender in parts by weight and are mixed, speed of agitator 20-30r/min, when
Between control in 5-10min；
(2), it reacts：Batch mixing carries out ion-exchange reactions, and vacuum degree 3500-4000Pa, temperature is at 200 DEG C -240 DEG C, stirring
Rotating speed is 60-80r/min, mixing time 30-60min；Carry out polycondensation reaction again, vacuum degree 80-95Pa, temperature 240 DEG C-
260 DEG C, reaction time 60-110min；
(3), it is molded：Finished product after reaction is granulated by double screw extruder, rotating speed 800-900r/min is extruded by melting
Type；
(4), ultrasonic wave solidified：It is put into self-control ultrasonic vibration apparatus and is cured using rated power；
(5), it conserves：It conserves in fog room and demoulds for 24 hours, then conserved under conditions of temperature is 20 ± 2 DEG C, humidity is 90%
28d。
7. a kind of preparation method of thermal insulation concrete according to claim 6, which is characterized in that the ultrasonic laser wavelength
For 532nm or 1064nm, pulsewidth 1-30ns, pulse energy 1-300m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810440069.4A CN108503312A (en) | 2018-05-10 | 2018-05-10 | A kind of thermal insulation concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810440069.4A CN108503312A (en) | 2018-05-10 | 2018-05-10 | A kind of thermal insulation concrete and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108503312A true CN108503312A (en) | 2018-09-07 |
Family
ID=63400149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810440069.4A Withdrawn CN108503312A (en) | 2018-05-10 | 2018-05-10 | A kind of thermal insulation concrete and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN108503312A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112976247A (en) * | 2021-03-08 | 2021-06-18 | 张胜 | Preparation method of heat-insulating concrete |
-
2018
- 2018-05-10 CN CN201810440069.4A patent/CN108503312A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112976247A (en) * | 2021-03-08 | 2021-06-18 | 张胜 | Preparation method of heat-insulating concrete |
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Application publication date: 20180907 |