CN104594542A - Cement-based composite self-heat-insulation high-strength energy-saving building block - Google Patents
Cement-based composite self-heat-insulation high-strength energy-saving building block Download PDFInfo
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- CN104594542A CN104594542A CN201510008027.XA CN201510008027A CN104594542A CN 104594542 A CN104594542 A CN 104594542A CN 201510008027 A CN201510008027 A CN 201510008027A CN 104594542 A CN104594542 A CN 104594542A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
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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
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Abstract
The invention discloses a cement-based composite self-heat-insulation high-strength energy-saving building block. The building block comprises a building block body which is provided with a heat-insulation cavity, wherein the width of an upper cavity of the heat-insulation cavity is greater than or equal to the width of a lower cavity of the heat-insulation cavity; the building block is prepared from ordinary silicate cement, industrial waste residues, high-strength heat-insulation materials and a multifunctional additive. The building block has the beneficial effect that the heat insulation effect is good, other heat insulation measures are not additionally carried out in a construction process, meanwhile, the fireproof performance is good, and the compressive strength is high; furthermore, the bonding strength is high in a mounting process, the hollowing and the falling are less easily to occur, and the application prospect is wide.
Description
Technical field
The present invention relates to novel green building materials technology field, particularly a kind of self-heat conserving high-strength energy-saving building block.
Background technology
In the last few years, building energy conservation had become the importance that China implements energy-saving and emission-reduction measure.At present, the northern area of China its energy-saving effect of external wall of building material requirements used will reach 65%, and this heat-insulating property with regard to External Wall constructional materials is had higher requirement.ZL02133295.5 discloses one " outer-wall building heat-insulation brick ", it does heat insulating material with perlite and flyash, bonding and coagulating agent is made with cement, make exterior wall building block, thus make exterior wall need not remake other inside and outside insulation layer, make to build by laying bricks or stones and be incubated once to complete, do not increase other operation, but the heat-insulating property of this insulating brick is high not enough, its coefficient of thermal conductivity only reaches 0.103w/ (mk).
In addition, according to the feature of constructional materials, while raising material heat-insulating property, the performance of material in intensity, lightweight, fireproof performance, life-span and easy construction etc. and index can't be reduced, this External Wall insulation development propose stern challenge because wall thermal insulating and its intensity, lightweight, fireproof performance, life-span and workability conflicting often.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency existing in prior art, the building block of a kind of cement based composite self-insulation high-strength energy-saving is provided.Of the present inventionly comprise block body, block body is cuboid, and described block body is provided with incubation cavity, and on described incubation cavity, accent width is more than or equal to accent width under incubation cavity; Described building block with Portland cement, industrial residue, high-strength heat preservation material and multi-functional Admixture for raw material is prepared from.Building block of the present invention can disposal molding, and good heat insulating, no longer needs the heat insulation measure increasing other in addition in work progress, fireproof performance is good simultaneously, and compressive strength is high, and this building block adhesive strength in installation process is high, not easily hollowing, come off, cost of production is low.
In order to realize foregoing invention object, the invention provides following technical scheme:
Cement based composite self-insulation high-strength energy-saving of the present invention building block, comprises block body, and described block body is cuboid, and described block body is provided with incubation cavity, and on described incubation cavity, accent width is more than or equal to accent width under incubation cavity;
Described building block is prepared from by following methods:
A, take raw material by following weight: Portland cement 150 ~ 400 parts, industrial residue 800 ~ 1300 parts, high-strength heat preservation material 50 ~ 200 parts, multi-functional Admixture 0.05 ~ 0.5 part; Described multi-functional Admixture is adjusting congelation of cement industrial residue activity excitant;
B, above-mentioned each raw material to be mixed, then add the water of conventional amount used, stir, obtain compound;
C, gained compound in step B is transported to punch forming in mould, shaping rear wet curing 10 ~ 20h, normal temperature maintenance 10 ~ 15 days, is up to the standards, and obtains the building block of cement based composite self-insulation high-strength energy-saving.
Building block of the present invention, with Portland cement, industrial residue, high-strength heat preservation material and multi-functional Admixture for raw material, then the water of convention amount is added, being transported to punch forming in mould after stirring is the building block with following structure: building block comprises block body, described block body is provided with incubation cavity, and on described incubation cavity, accent width is more than or equal to accent width under incubation cavity.Be set to accent width on incubation cavity to be more than or equal to accent width under incubation cavity, can effectively prevent building block in installation process, mortar leaks out installed surface by incubation cavity, adds the adhesive effect between building block and building block.Arranging of incubation cavity under the service condition of severe cold more, can inject heat preservation slurry in incubation cavity, improves its heat-insulating property further.
Building block of the present invention, with Portland cement, industrial residue, high-strength heat preservation material and multi-functional Admixture for raw material.Wherein Portland cement plays gelatification; Industrial residue mainly plays fine aggregate effect and inspires certain activity; High-strength heat preservation material plays coarse aggregate and thermal insulation; Multi-functional Admixture plays the effect of adjusting congelation of cement industrial residue activity excitation.
In steps A of the present invention, the weight of each raw material is: Portland cement 150 ~ 400 parts, industrial residue 800 ~ 1300 parts, high-strength heat preservation material 50 ~ 200 parts, multi-functional Admixture 0.05 ~ 0.5 part.Applicant finds through test of many times, building block of the present invention is under above-mentioned weight, the effect strengthened altogether is there is between each raw material, building block can be gone out by disposal molding, not only have good heat-insulating property, and have good fireproof performance, intensity is high, quality is light, simultaneously high with the adhesive strength of cement.Further preferably, in described steps A, the weight of each raw material is: Portland cement 200 ~ 300 parts, industrial residue 900 ~ 1200 parts, high-strength heat preservation material 80 ~ 150 parts, multi-functional Admixture 0.08 ~ 0.3 part.Preferably, in described steps A, the weight of each raw material is the best: Portland cement 250 parts, industrial residue 1000 parts, high-strength heat preservation material 100 parts, multi-functional Admixture 0.1 part.
Preferably, in described steps A multi-functional Admixture by NaOH, CaCl
2, NaSiO
3, K
2sO
4be that 0.1 ~ 0.3:0.7 ~ 0.9:0.8 ~ 1.2:0.4 ~ 0.6 forms according to weight ratio.Multi-functional Admixture is by NaOH, CaCl
2, NaSiO
3, K
2sO
4form according to above-mentioned weight ratio, can better with Portland cement, industrial residue and high-strength heat preservation material compatibility, improve the compressive strength of building block.Preferably, described multi-functional Admixture is by NaOH, CaCl for the best
2, NaSiO
3, K
2sO
4according to weight ratio be 0.1:0.9:1:0.4 composition.
Preferably, in described steps A, industrial residue is one or more in slag, flyash, slag, slag, construction waste soil, mud, rice hull ash and stalk.The a large amount of waste materials produced in industrial production are stored up for a long time and are not only taken a large amount of soil, and can cause the severe contamination to water system and air and harm.Applicant is in long term test and practice process, and industrial residue can be turned waste into wealth by discovery, for the production of building block of the present invention.Industrial residue of the present invention comprises slag, flyash, slag, slag, construction waste soil, mud, rice hull ash and stalk etc.Further preferably, described industrial residue is that 5 ~ 8:2 ~ 4 form by slag and flyash according to weight ratio.Industrial residue is made up of according to above-mentioned weight ratio slag and flyash, can better with Portland cement, high-strength heat preservation material and multi-functional Admixture compatibility, produce the effect strengthened altogether, improve the performance of building block.Preferably, described industrial residue is that 7:3 forms by slag and flyash according to weight ratio to the best.
Preferably, in described steps A, high-strength heat preservation material is one or more in high-strength ceramic granule, high-strength ceramic grain and glass bead.Haydite density is little, internal porous, and form, composition are more homogeneous, and has some strength and soundness, and thus haydite has light weight, and thermal insulation, cold and heat insulation and sound-proof sound-absorbing, water absorption rate are low, fire-resistant, freeze proof, antidetonation, the functional characteristics such as corrosion-resistant.According to (light aggregate and test method thereof) GB/T17431.1-1998 new standard, high-strength ceramic granule refers to that strength mark is not less than the light coarse aggregate of structure of 25MPa.Its technical requirements except density rating, cylindrical compress strength, strength mark, water absorption rate have specific indexes, other indexs (grain composition, coefficient of softening, grain type coefficient, harmful substance contents etc.) with ultralight, ordinary ceramsite is identical.
Glass bead forms certain granule strength due to surperficial vitreous, and physicochemical property is very stable, has excellent thermal insulation, fire prevention, sound absorption qualities.Further preferably, described high-strength heat preservation material is that 2 ~ 5:0.5 ~ 2 form by high-strength ceramic granule and glass bead according to weight ratio.High-strength heat preservation material is made up of according to above-mentioned weight ratio high-strength ceramic granule and glass bead, can better with cement, industrial residue and multi-functional Admixture compatibility, produce the effect strengthened altogether, improve the heat-insulating property of building block.Preferably, described high-strength heat preservation material is that 4:1 forms by high-strength ceramic granule and glass bead according to weight ratio to the best.Preferably, described high-strength ceramic granule adopts particle diameter to be the haydites of book structure of 5 ~ 20mm, and density rating is 900, and bulk density is 895kg/m
3, water absorption rate is 1.10%, and cylindrical compress strength is 6.7MPa.
By above to industrial residue, heat insulating material, multi-functional Admixture preferred, further increase the adhesive strength in the heat-insulating property of building block of the present invention, fireproof performance, intensity and installation process, building block can with building all same life-span.
Preferably, in described step B, the addition of water is 15 ~ 20% of raw aqueous gross weight.When in step (2), the addition of water is 15 ~ 20% of raw aqueous gross weight, can make building block while maintenance good thermal insulation property, increase the compressive strength of gained building block.
Preferably, the section shape of described incubation cavity is U-shaped.
Preferably, the cross section that described incubation cavity is single is round rectangle.The lower accent of incubation cavity is set to round-corner transition, and the stress that can reduce accent under incubation cavity is concentrated, and is also convenient to mould separating building block simultaneously.
Preferably, on described incubation cavity, accent width is 25 ~ 27mm, and under incubation cavity, accent width is 3 ~ 5mm.By preferably above, can prevent better in building block construction and installation process, mortar leaks out installed surface by incubation cavity, increases the adhesive strength between building block and building block.Preferably, on described incubation cavity, accent width is 26mm to the best, and under incubation cavity, accent width is 3mm.
Preferably, described block body is evenly provided with three row's incubation cavities in the longitudinal direction, and described incubation cavity first row quantity is three, and described incubation cavity second row quantity is two, described incubation cavity the 3rd row amount is three, and described incubation cavity is for being staggered.By preferably above, the heat transfer layer of building block can be increased, and then improve the heat-insulating property of building block.Preferably, between adjacent two rows of described incubation cavity, width is 23 ~ 25mm, the thickness of each heat transfer layer can be made close or equal, improve the heat-insulating property of building block.Preferably, between adjacent two rows of described incubation cavity, width is 25mm to the best.
Preferably, the border width of described block body is 30mm, not only makes the thickness of each heat transfer layer close or equal, improves the heat insulating ability of building block, simultaneously when real life needs lifting weight, body of wall also can be made to have enough intensity to meet lifting requirements in actual use.
Under described incubation cavity, accent also can be arranged in block body.Further preferably, under described incubation cavity, accent is apart from building block soffit 3 ~ 5mm, building block can be made to have better heat-insulating property on the one hand, makes mould depart from building block better on the other hand, avoids mortar in building block installation process to spill installed surface.
Compared with prior art, beneficial effect of the present invention is:
(1) self-heat conserving high-strength energy-saving of the present invention building block is primary raw material with industrial residue, is turned waste into wealth by industrial residue, avoids industrial residue and piles up the severe contamination and harm that cause water system and air for a long time, have effectively achieved energy-saving and emission-reduction.In building block of the present invention, the percentage by weight of industrial residue is about 70%, significantly reduces the cost of building block.
(2) building block of the present invention take cement as gel rubber material, with high-strength heat preservation material for coarse aggregate, take industrial residue as fines, be material modified with multi-functional Admixture, and screen the weight of each raw material, and to make between each raw material mutually to produce the effect strengthened altogether, can disposal molding, significantly improve the heat-insulating property of building block, coefficient of thermal conductivity≤0.075W/mK; Fire resistance reaches A grade standard, and fireproof performance is good; Compressive strength >=3.5Mpa, can with building all same life-span; In building block installation process, adhesive strength is high.
(3) building block of the present invention is by accent width and lower accent width on adjustment incubation cavity, the row that incubation cavity is arranged in block body and number, width between adjacent two rows and the outward flange width etc. of block body, significantly improve heat-insulating property and the intensity of building block, enhance the adhesive strength in building block installation process, building block not easily hollowing, come off.
Figure of description
Fig. 1 is the top view of cement based composite self-insulation high-strength energy-saving building block prepared by embodiment 1.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is the sectional drawing of Figure 1A-A.
Reference numeral: 1 is block body, and 2 is incubation cavity.
Detailed description of the invention
Below in conjunction with test example and detailed description of the invention, the present invention is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following embodiment, all technology realized based on content of the present invention all belong to scope of the present invention.
Embodiment 1
Raw material is taken: Portland cement 250kg, slag 700kg, flyash 300kg, high-strength ceramic granule 80kg, glass bead 20kg, multi-functional Admixture 0.1kg by following weight.Wherein flyash is III level flyash; Slag particle diameter is 0.4 ~ 0.6mm; High-strength ceramic granule particle diameter is 8-15mm; Glass bead particle diameter is 0.5-1.5mm; Multi-functional Admixture is by NaOH, CaCl
2, NaSiO
3, K
2sO
4be that 0.1:0.9:1:0.4 is mixed according to weight ratio.
Mixed by above-mentioned raw materials, then it is appropriate to add water, stir 0.1h, being then transported to punch forming in mould is the building block with following structure: as shown in FIG. 1 to 3, stamping forming building block comprises block body 1, and described block body 1 is cuboid.Described block body 1 is provided with three row's incubation cavities 2, and described incubation cavity 2 first row quantity is three, and second row quantity is two, and the 3rd row amount is three, and described incubation cavity 2 is for being staggered.Between adjacent two rows of described incubation cavity 2, width C is 25mm.On incubation cavity 2, accent width D is 26mm, and lower accent width E is 3mm.The border width B of block body 1 is 30mm.Described incubation cavity 2 is through block body 1.The lower accent of described incubation cavity 2 is set to round-corner transition, and the single cross section of described incubation cavity 2 is round rectangle.
Shaping rear wet curing 16h, normal temperature maintenance 15 days, is up to the standards, and obtains the building block of cement based composite self-insulation high-strength energy-saving.
After testing, each performance parameter of building block prepared of the present embodiment is as follows:
Heat-insulating property: equivalent heat conductivity λ value is 0.065W/mK;
Fire resistance: reach A grade standard;
Compressive property: compressive strength is 5.0MPa.
Building block prepared by the present embodiment is in installation process, and mortar not easily passs through incubation cavity and leaks out installed surface, and building block adhesive strength is high, not easily hollowing, come off.
Embodiment 2
Raw material is taken: Portland cement 400kg, slag 800kg, flyash 300kg, high-strength ceramic granule 100kg, glass bead 100kg, multi-functional Admixture 0.5kg by following weight.Wherein, flyash is II level flyash; Slag particle diameter is 0.4 ~ 0.6mm; High-strength ceramic granule particle diameter is 8-15mm; Glass bead particle diameter is 0.5-1.5mm; Multi-functional Admixture is by NaOH, CaCl
2, NaSiO
3, K
2sO
4be that 0.1:0.9:1:0.4 is mixed according to weight ratio.
Above-mentioned raw materials is mixed, then it is appropriate to add water, and stirs 0.1h, then punch forming is transported in mould for having the building block of structure described in embodiment 1, shaping rear wet curing 10h, normal temperature maintenance 12 days, be up to the standards, obtain the building block of cement based composite self-insulation high-strength energy-saving.
After testing, each performance parameter of this building block is as follows:
Heat-insulating property: equivalent heat conductivity λ value is 0.072W/mK;
Fire resistance: reach A grade standard;
Compressive property: compressive strength is 4.0MPa.
Building block prepared by the present embodiment is in installation process, and mortar not easily passs through incubation cavity and leaks out installed surface, and building block adhesive strength is high, not easily hollowing, come off.
Embodiment 3
Raw material is taken: Portland cement 150kg, slag 500kg, flyash 300kg, high-strength ceramic granule 30kg, glass bead 20kg, multi-functional Admixture 0.05kg by following weight.Wherein, flyash is III level flyash; Slag particle diameter is 0.4 ~ 0.6mm; High-strength ceramic granule particle diameter is 8-15mm; Glass bead particle diameter is 0.5-1.5mm; Multi-functional Admixture is by NaOH, CaCl
2, NaSiO
3, K
2sO
4be that 0.1:0.9:1:0.4 is mixed according to weight ratio.
Above-mentioned raw materials is mixed, then it is appropriate to add water, and stirs 0.1h, then punch forming is transported in mould for having the building block of structure described in embodiment 1, shaping rear wet curing 20h, normal temperature maintenance 10 days, be up to the standards, obtain the building block of cement based composite self-insulation high-strength energy-saving.
After testing, each performance parameter of this building block is as follows:
Heat-insulating property: equivalent heat conductivity λ value is 0.074W/mK;
Fire resistance: reach A grade standard;
Compressive property: compressive strength is 3.5MPa.
Building block prepared by the present embodiment is in installation process, and mortar not easily passs through incubation cavity and leaks out installed surface, and building block adhesive strength is high, not easily hollowing, come off.
Embodiment 4
Raw material is taken: Portland cement 250kg, slag 700kg, mud 400kg, high-strength ceramic grain 80kg, glass bead 20kg, multi-functional Admixture 0.1kg by following weight.Wherein, flyash is III level flyash; Slag particle diameter is 0.4 ~ 0.6mm; High-strength ceramic grain particle diameter is 8-15mm; Glass bead particle diameter is 0.5-1.5mm; Multi-functional Admixture is by NaOH, CaCl
2, NaSiO
3, K
2sO
4be that 0.2:0.8:1:0.5 is mixed according to weight ratio.
Above-mentioned raw materials is mixed, then it is appropriate to add water, and stirs 0.1h, then punch forming is transported in mould for having the building block of structure described in embodiment 1, shaping rear wet curing 18h, normal temperature maintenance 15 days, be up to the standards, obtain the building block of cement based composite self-insulation high-strength energy-saving.
After testing, each performance parameter of this building block is as follows:
Heat-insulating property: equivalent heat conductivity λ value is 0.072W/mK;
Fire resistance: reach A grade standard;
Compressive property: compressive strength is 3.8MPa.
Building block prepared by the present embodiment is in installation process, and mortar not easily passs through incubation cavity and leaks out installed surface, and building block adhesive strength is high, not easily hollowing, come off.
Embodiment 5
Raw material is taken: Portland cement 300kg, construction waste soil 630kg, flyash 270kg, high-strength ceramic granule 120kg, high-strength ceramic grain 30kg, multi-functional Admixture 0.2kg by following weight.Wherein flyash is III level flyash; High-strength ceramic granule particle diameter is 8-15mm; High-strength ceramic grain particle diameter is 8-15mm; Multi-functional Admixture is by NaOH, CaCl
2, NaSiO
3, K
2sO
4be that 0.3:0.7:1.2:0.6 is mixed according to weight ratio.
Above-mentioned raw materials is mixed, then it is appropriate to add water, and stirs 0.1h, then punch forming is transported in mould for having the building block of structure described in embodiment 1, shaping rear wet curing 12h, normal temperature maintenance 10 days, be up to the standards, obtain the building block of cement based composite self-insulation high-strength energy-saving.
Each performance parameter of this building block is as follows:
Heat-insulating property: equivalent heat conductivity λ value is 0.075W/mK;
Fire resistance: reach A grade standard;
Compressive property: compressive strength is 4.0MPa.
Building block prepared by the present embodiment is in installation process, and mortar not easily passs through incubation cavity and leaks out installed surface, and building block adhesive strength is high, not easily hollowing, come off.
From above-described embodiment 1 ~ 5, building block coefficient of thermal conductivity≤0.075W/mK of the present invention, fire resistance reaches A grade standard, compressive strength >=3.5MPa.Show that block insulation performance of the present invention is good, no longer can need the heat insulation measure increasing other in addition in work progress, fireproof performance is good, and reach A grade standard, compressive strength is high, can with building all same life-span.Building block equivalent heat conductivity λ value wherein described in embodiment 1 is 0.065W/mK; Compressive strength is 5.0MPa, its performance and the building block significant difference described in embodiment 2 ~ 5, is optimum implementation of the present invention.
Comparative example 1
Raw material is taken: Portland cement 250kg, slag 700kg, flyash 300kg, high-strength ceramic granule 80kg, glass bead 20kg by following weight.Wherein flyash is III level flyash; Slag particle diameter is 0.4 ~ 0.6mm; High-strength ceramic granule particle diameter is 8-15mm; Glass bead particle diameter is 0.5-1.5mm.
Above-mentioned raw materials is mixed, then it is appropriate to add water, and stirs 0.1h, then punch forming is transported in mould for having the building block of structure described in embodiment 1, shaping rear wet curing 16h, normal temperature maintenance 15 days, be up to the standards, obtain the building block of cement based composite self-insulation high-strength energy-saving.
After testing, each performance parameter of this building block is as follows:
Heat-insulating property: equivalent heat conductivity λ value is 0.158W/mK;
Fire resistance: reach A grade standard;
Compressive property: compressive strength is 2.3MPa;
From this comparative example, when lacking multi-functional Admixture in material composition, the equivalent heat conductivity λ value of building block can be made to raise 0.093W/mK, and compressive strength reduces 2.7MPa, significantly reduces the performance of building block.
Comparative example 2
Raw material is taken: Portland cement 120kg, slag 700kg, flyash 800kg, high-strength ceramic granule 20kg, glass bead 10kg, multi-functional Admixture 0.8kg by following weight.Wherein flyash is III level flyash; Slag particle diameter is 0.4 ~ 0.6mm; High-strength ceramic granule particle diameter is 8-15mm; Glass bead particle diameter is 0.5-1.5mm; Multi-functional Admixture is by NaOH, CaCl
2, NaSiO
3, K
2sO
4be that 0.2:0.8:1:0.5 is mixed according to weight ratio.
Above-mentioned raw materials is mixed, then it is appropriate to add water, and stirs 0.1h, then punch forming is transported in mould for having the building block of structure described in embodiment 1, shaping rear wet curing 16h, normal temperature maintenance 15 days, be up to the standards, obtain the building block of cement based composite self-insulation high-strength energy-saving.
After testing, each performance parameter of this building block is as follows:
Heat-insulating property: equivalent heat conductivity λ value is 0.256W/mK;
Fire resistance: reach B grade standard;
Compressive property: compressive strength is 2.5MPa.
From this comparative example, when the weight of raw material is: Portland cement 120 parts, industrial residue 1500 parts, high-strength heat preservation material 30 parts, multi-functional Admixture 0.8 part, namely not in the scope of claim protection, can make the equivalent heat conductivity λ value of building block raise 0.191W/mK; Compressive strength reduces 2.5MPa; Fire resistance is down to B level, significantly reduces the performance of building block.
From comparative example 1 and 2, building block of the present invention take cement as gel rubber material, with high-strength heat preservation material for coarse aggregate, take industrial residue as fines, be material modified with multi-functional Admixture, and screen the weight of each raw material, make between each raw material, mutually to produce the effect strengthened altogether, adjust the structure of building block simultaneously, obtain cement based composite self-insulation high-strength energy-saving of good performance building block with this.
Claims (10)
1. a cement based composite self-insulation high-strength energy-saving building block, is characterized in that:
Described building block comprises block body (1), described block body (1) is cuboid, described block body (1) is provided with incubation cavity (2), and the upper accent width of described incubation cavity (2) is more than or equal to accent width under incubation cavity (2);
Described building block is prepared from by following methods:
A, take raw material by following weight: Portland cement 150 ~ 400 parts, industrial residue 800 ~ 1300 parts, high-strength heat preservation material 50 ~ 200 parts, multi-functional Admixture 0.05 ~ 0.5 part; Described multi-functional Admixture is adjusting congelation of cement industrial residue activity excitant;
B, above-mentioned each raw material to be mixed, then add the water of conventional amount used, stir, obtain compound;
C, gained compound in step B is transported to punch forming in mould, shaping rear wet curing 10 ~ 20h, normal temperature maintenance 10 ~ 15 days, is up to the standards, and obtains the building block of cement based composite self-insulation high-strength energy-saving.
2. building block according to claim 1, it is characterized in that: in described steps A, the weight proportion of each raw material is Portland cement 200 ~ 300 parts, industrial residue 800 ~ 1100 parts, high-strength heat preservation material 80 ~ 150 parts, multi-functional Admixture 0.08 ~ 0.3 part.
3. building block according to claim 1, is characterized in that: in described steps A, multi-functional Admixture is by NaOH, CaCl
2, NaSiO
3, K
2sO
4be that 0.1 ~ 0.3:0.7 ~ 0.9:0.8 ~ 1.2:0.4 ~ 0.6 forms according to weight ratio.
4. building block according to claim 1, is characterized in that: in described steps A, industrial residue is one or more in slag, flyash, slag, slag, construction waste soil, mud, rice hull ash and stalk.
5. building block according to claim 4, is characterized in that: in described steps A, industrial residue is that 5 ~ 8:2 ~ 4 form by slag and flyash according to weight ratio.
6. building block according to claim 1, is characterized in that: in described steps A, high-strength heat preservation material is one or more in high-strength ceramic granule, high-strength ceramic grain, glass bead.
7. building block according to claim 6, is characterized in that: in described steps A, high-strength heat preservation material is that 2 ~ 5:0.5 ~ 2 form by high-strength ceramic granule and glass bead according to weight ratio.
8. building block according to claim 1, is characterized in that: the section shape of described incubation cavity (2) is U-shaped.
9. building block according to claim 1, is characterized in that: the single cross section of described incubation cavity (2) is round rectangle.
10. building block according to claim 1, it is characterized in that: described block body (1) is evenly provided with three row's incubation cavities (2) in the longitudinal direction, described incubation cavity (2) first row quantity is three, described incubation cavity (2) second row quantity is two, described incubation cavity (2) the 3rd row amount is three, and described incubation cavity (2) is for being staggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510008027.XA CN104594542B (en) | 2015-01-07 | 2015-01-07 | A kind of cement based composite self-insulation high-strength energy-saving building block |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510008027.XA CN104594542B (en) | 2015-01-07 | 2015-01-07 | A kind of cement based composite self-insulation high-strength energy-saving building block |
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| Publication Number | Publication Date |
|---|---|
| CN104594542A true CN104594542A (en) | 2015-05-06 |
| CN104594542B CN104594542B (en) | 2017-03-08 |
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| CN201510008027.XA Expired - Fee Related CN104594542B (en) | 2015-01-07 | 2015-01-07 | A kind of cement based composite self-insulation high-strength energy-saving building block |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107352952A (en) * | 2017-05-26 | 2017-11-17 | 如皋市磨头建设开发有限公司 | A kind of foam thermal insulation brick |
| CN108612225A (en) * | 2018-04-19 | 2018-10-02 | 南通广乾新型建材有限公司 | A kind of peripheral structure self-heat conserving wall |
| CN109503049A (en) * | 2018-11-23 | 2019-03-22 | 杨贵香 | A kind of stalk light energy-saving insulating brick and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2459384Y (en) * | 2000-01-19 | 2001-11-14 | 孙惠镐 | Three row hole bearing small-sized hollow builidng block wall |
| BG1097U1 (en) * | 2006-12-19 | 2008-07-31 | Янчо ЯНЕВ | Building construction composite wall |
| CN201106244Y (en) * | 2007-09-17 | 2008-08-27 | 任华国 | Hollow block inserted with thermal insulation |
| CN102303967A (en) * | 2011-08-09 | 2012-01-04 | 宁波大学 | Non-calcined desulfurized gypsum building block and preparation method thereof |
| CN102493588A (en) * | 2011-12-09 | 2012-06-13 | 王军 | Novel energy-saving wall of building |
| CN103899032A (en) * | 2014-04-04 | 2014-07-02 | 江苏建筑职业技术学院 | Composite self-thermal preservation building block made from domestic garbage incineration slag |
-
2015
- 2015-01-07 CN CN201510008027.XA patent/CN104594542B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2459384Y (en) * | 2000-01-19 | 2001-11-14 | 孙惠镐 | Three row hole bearing small-sized hollow builidng block wall |
| BG1097U1 (en) * | 2006-12-19 | 2008-07-31 | Янчо ЯНЕВ | Building construction composite wall |
| CN201106244Y (en) * | 2007-09-17 | 2008-08-27 | 任华国 | Hollow block inserted with thermal insulation |
| CN102303967A (en) * | 2011-08-09 | 2012-01-04 | 宁波大学 | Non-calcined desulfurized gypsum building block and preparation method thereof |
| CN102493588A (en) * | 2011-12-09 | 2012-06-13 | 王军 | Novel energy-saving wall of building |
| CN103899032A (en) * | 2014-04-04 | 2014-07-02 | 江苏建筑职业技术学院 | Composite self-thermal preservation building block made from domestic garbage incineration slag |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107352952A (en) * | 2017-05-26 | 2017-11-17 | 如皋市磨头建设开发有限公司 | A kind of foam thermal insulation brick |
| CN108612225A (en) * | 2018-04-19 | 2018-10-02 | 南通广乾新型建材有限公司 | A kind of peripheral structure self-heat conserving wall |
| CN109503049A (en) * | 2018-11-23 | 2019-03-22 | 杨贵香 | A kind of stalk light energy-saving insulating brick and preparation method thereof |
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|---|---|
| CN104594542B (en) | 2017-03-08 |
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