CN217998503U - Heat-preservation sound-insulation type low-carbon wall building block - Google Patents
Heat-preservation sound-insulation type low-carbon wall building block Download PDFInfo
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- CN217998503U CN217998503U CN202221429424.6U CN202221429424U CN217998503U CN 217998503 U CN217998503 U CN 217998503U CN 202221429424 U CN202221429424 U CN 202221429424U CN 217998503 U CN217998503 U CN 217998503U
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Abstract
The heat-insulation sound-insulation low-carbon wall building block is characterized by comprising a regenerated building block bearing layer (1) and a heat-insulation sound-insulation filling layer (2), wherein the regenerated building block bearing layer (1) is of a hollow structure, and the heat-insulation sound-insulation filling layer (2) is filled in the hollow structure of the regenerated building block bearing layer (1); the left end and the right end of the regeneration building block bearing layer (1) are provided with a trapezoidal lug (3) and a trapezoidal cavity (4), and the trapezoidal lug (3) and the trapezoidal cavity (4) form an interlocking structure. Compared with the traditional solid building block, the self-locking type wall body has the advantages that the self weight is small under the same volume, the construction is convenient, the construction period is shortened, and the wall body has a built-in locking structure, so that the stability is good and the integrity is strong; low cost and less pollution.
Description
Technical Field
The utility model provides a heat preservation and sound insulation type low carbon wall building block belongs to building engineering technical field.
Background
Traditional building blocks are like pavement bricks, building block bricks, grass planting bricks and the like, although the types are more, each type of building block has a relatively single function and does not have the heat preservation and sound insulation effects. The existing heat-insulating and sound-insulating materials such as foam and soundproof cotton are high in manufacturing cost and flammable, and the assembled wallboard prepared from the materials is often supported and fixed by supporting keels, attaching plates, threaded rods and the like, so that the structure is complex, the mounting process is complex, and the prefabricated wallboard does not have independent bearing capacity. The existing heat-insulating wall board has higher manufacturing cost, is only suitable for indoor environment, and when the heat-insulating wall board is applied to outdoor environment conditions, the durability is deteriorated under the action of natural environment factors such as illumination, rain, snow and the like, the service life is shortened, and the heat-insulating wall board is not suitable for the severe natural environment in the field. On the other hand, the yield of various wastes in China is huge, the resource utilization rate is relatively low, and especially the consumption of low-quality reclaimed materials is insufficient. Under the background of the double-carbon policy, the method has important practical significance for increasing the development strength of the regenerated products. Therefore, the multifunctional building block which utilizes a large amount of various wastes and is low in cost is developed, the added value of the wastes is fully excavated, the problem of absorption of the reclaimed materials can be effectively solved, the resource utilization rate is improved, and meanwhile, the multifunctional building block product suitable for various environmental conditions is provided. At present, most building blocks on the market adopt a plane contact mode, and the compressive strength of the building blocks is lower.
SUMMERY OF THE UTILITY MODEL
To above problem, the utility model provides a heat preservation and sound insulation type low carbon wall building block, including regeneration building block bearing layer, heat preservation and sound insulation filling layer, wherein regeneration building block bearing layer is including reserving trapezoidal lug and trapezoidal cavity, and the trapezoidal lug and the trapezoidal cavity formation of adjacent building block are inlayed the lock structure. Two adjacent blocks are more stable by adopting an interlocking structure. And the trapezoidal lug is of a trapezoidal structure, an included angle alpha is formed between the inclined edge and the regenerated building block bearing layer (1), and the similar trapezoidal lug of the adjacent building block and the trapezoidal cavity form an embedded locking structure which is more stable.
The utility model adopts the following technical scheme
A heat-insulating sound-insulating low-carbon wall building block is characterized by comprising a regenerated building block bearing layer (1) and a heat-insulating sound-insulating filling layer (2),
the regeneration building block bearing layer (1) is of a hollow structure, and the heat-preservation and sound-insulation filling layer (2) is filled in the hollow structure of the regeneration building block bearing layer (1);
the left end and the right end of the regeneration building block bearing layer (1) are provided with a trapezoidal lug (3) and a trapezoidal cavity (4), and the trapezoidal lug (3) and the trapezoidal cavity (4) form an interlocking structure.
And reinforcing ribs (1-1) are arranged in the regenerated building block bearing layer (1).
The bearing layer (1) of the regeneration building block is made of brick-concrete regeneration materials.
The heat-insulating sound-insulating filling layer (2) is made of waste concrete recycled fine materials.
The trapezoidal convex block (3) is of a trapezoidal structure, and an included angle alpha is formed between the inclined edge and the regenerated building block bearing layer (1) and is 120-150 degrees.
The regenerated block bearing layer (1) comprises the following components in percentage by mass: 5 to 6 percent of ordinary Portland cement, 1 to 1.5 percent of waste concrete recycled micro powder, 85 to 90 percent of brick-concrete recycled material, 4 to 6 percent of water and 15 to 30MPa of compressive strength.
The heat-preservation and sound-insulation filling layer (2) comprises the following components in percentage by mass: 10 to 15 percent of ordinary portland cement, 8 to 12 percent of waste concrete regenerated micro powder, 9 to 14 percent of tertiary fly ash and waste concrete41 to 50 percent of soil regeneration fine material, 0.9 to 1.4 percent of foaming foam, 0.05 to 0.07 percent of waste EPS foam particles and 14 to 18 percent of water with the volume weight of 1100 to 1300kg/m 3 。
The waste concrete recycled micro powder used by the regenerated block bearing layer (1) and the heat-insulation sound-insulation filling layer (2) is a powder material with the particle size of less than 75 mu m generated in the recycling treatment process of waste concrete building wastes, the 45 mu m screen residue is 21.3 +/-5%, the water demand ratio is 106.7 +/-3%, the MB value is 1.0 +/-0.25, and the activity index is 65 +/-3%.
The brick-concrete recycled material used for the regenerated block bearing layer (1) is continuous graded aggregate with the grain diameter of 0-10mm generated in the process of recycling treatment of brick-concrete building garbage, and the apparent density is 2400-2480kg/m 3 The crushing value is 18-26%, and the water absorption is 8-14%.
The waste concrete regeneration fine material used by the heat-insulation sound-insulation filling layer (2) is granular material with the grain diameter less than 4.75mm generated in the process of recycling waste concrete construction waste, and the apparent density is 2440-2450kg/m 3 Fineness modulus is 2.8-3.2, and water absorption is 5-12%.
The preparation method of the foaming foam for the heat-insulating and sound-insulating filling layer (2) is characterized in that a concentrated high-efficiency foaming agent with solid content of 50 +/-2% and pH value of 6-7 is adopted, and the foaming agent is prepared by mixing the following raw materials in a proportion of 1:20 is mixed with water and then is prepared by a foaming machine under high pressure.
The waste EPS foam particles used by the heat-preservation and sound-insulation filling layer (2) are particles with the particle size of 3-4mm after the waste foam is crushed.
Has the beneficial effects that:
the advantages of different materials are exerted, the bearing function and the heat and sound insulation function are combined, the bearing function is achieved, the obvious effects of low carbon, light weight, sound insulation, noise reduction, heat insulation and the like are achieved, and the building block is diversified in functions.
The method greatly consumes low-quality building solid wastes such as waste concrete recycled fine materials, brick-concrete recycled materials and the like generated in the recycling process of the building wastes, effectively reduces the consumption of natural sandstone aggregates, and has remarkable social, economic and environmental benefits.
The application of the low-grade fly ash and the regenerated micro powder in a large quantity reduces the use of high-carbon binder materials such as cement and the like, reduces carbon emission and meets the policy requirement of 'double carbon'.
Compared with the traditional heat-insulating foam board, the flame-retardant heat-insulating foam board has obvious flame retardance and durability, and is safe and reliable.
Compared with the traditional solid building blocks, the self-weight is small under the same volume, the construction is convenient, the construction period is shortened, and the interlocking structure is arranged, so that the stability of the wall body is good, and the integrity is strong. Low cost and less pollution. The sound insulation and noise reduction composite material is suitable for walls of buildings and structures with heat insulation and sound insulation requirements, particularly walls of animal and plant cultivation greenhouses of vegetables, fungi, fruits and the like in cold regions, has considerable application prospect, and also has remarkable application prospect and advantages in sound insulation and noise reduction in the fields of two sides of roads, airports and the like under the action of complex and severe environmental factors.
Two adjacent blocks are more stable by adopting an interlocking structure. Preferably, the compressive strength is optimal at 135 degrees, and the compressive strength exceeds 120-130 degrees and is 5-20 percent at 130-160 degrees.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a plan view of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples.
A heat-insulating sound-insulating low-carbon wall building block is characterized by comprising a regenerated building block bearing layer (1) and a heat-insulating sound-insulating filling layer (2),
the regeneration building block bearing layer (1) is of a hollow structure, and the heat-preservation and sound-insulation filling layer (2) is filled in the hollow structure of the regeneration building block bearing layer (1);
the left end and the right end of the regeneration building block bearing layer (1) are provided with a trapezoidal convex block (3) and a trapezoidal cavity (4), and the trapezoidal convex block (3) and the trapezoidal cavity (4) form an interlocking structure.
The building block is characterized in that reinforcing ribs (1-1) are arranged in the regenerated building block bearing layer (1).
The bearing layer (1) of the regeneration building block is made of brick-concrete regeneration materials.
The heat-insulating sound-insulating filling layer (2) is made of waste concrete recycled fine materials.
The trapezoidal convex blocks (3) are of a trapezoidal structure, the inclined edges and the regenerated building block bearing layer (1) form an included angle alpha, the included angle is 120-150 degrees, preferably 135 degrees, and the trapezoidal convex blocks of the adjacent building blocks obtained at the included angle and the trapezoidal cavities form an embedded locking structure which is more stable. Preferably, the compressive strength is optimal at 135 degrees, and the compressive strength exceeds 120-130 degrees and is 5-20 percent at 130-160 degrees.
The regenerated block bearing layer (1) comprises the following components in percentage by mass: 5 to 6 percent of ordinary Portland cement, 1 to 1.5 percent of waste concrete recycled micro powder, 85 to 90 percent of brick-concrete recycled material, 4 to 6 percent of water and 15 to 30MPa of compressive strength.
The heat-preservation sound-insulation filling layer (2) comprises the following components in percentage by mass: 10 to 15 percent of ordinary portland cement, 8 to 12 percent of waste concrete regenerated micro powder, 9 to 14 percent of tertiary fly ash, 41 to 50 percent of waste concrete regenerated fine material, 0.9 to 1.4 percent of foaming foam, 0.05 to 0.07 percent of waste EPS foam particles and 14 to 18 percent of water, and the volume weight of the waste concrete regenerated fine material is 1100 to 1300kg/m 3 。
The waste concrete recycled micro powder used by the regenerated block bearing layer (1) and the heat-insulation sound-insulation filling layer (2) is a powder material with the particle size of less than 75 mu m generated in the recycling treatment process of waste concrete building wastes, the 45 mu m screen residue is 21.3 +/-5%, the water demand ratio is 106.7 +/-3%, the MB value is 1.0 +/-0.25, and the activity index is 65 +/-3%.
The brick-concrete recycled material used for the regenerated block bearing layer (1) is continuous graded aggregate with the grain diameter of 0-10mm generated in the process of recycling treatment of brick-concrete building garbage, and the apparent density is 2400-2480kg/m 3 The crushing value is 18-26%, and the water absorption is 8-14%.
The waste concrete regeneration fine material used by the heat-insulation sound-insulation filling layer (2) is granular material with the grain diameter less than 4.75mm generated in the process of recycling waste concrete construction waste, and the apparent density is 2440-2450kg/m 3 Fineness modulus is 2.8-3.2, and water absorption is 5-12%.
The preparation method of the foaming foam for the heat-preservation and sound-insulation filling layer (2) is characterized in that a concentrated high-efficiency foaming agent with solid content of 50 +/-2% and pH value of 6-7 is adopted, and the foaming agent is prepared by mixing the following components in parts by weight according to the ratio of 1:20 is mixed with water and then is prepared by a foaming machine under high pressure.
The waste EPS foam particles used by the heat-preservation and sound-insulation filling layer (2) are particles with the particle size of 3-4mm after the waste foam is crushed.
Example 1
Taking the following materials by mass:
3.9kg of 42.5 ordinary portland cement (2.6 kg of the ordinary portland cement is used for preparing a bearing layer of a regeneration building block, and 1.3kg of the ordinary portland cement is used for preparing a heat-preservation sound-insulation filling layer); 1.6kg of waste concrete recycled micro powder (wherein 0.7kg of the waste concrete recycled micro powder is used for preparing a recycled block bearing layer, and 0.9kg of the waste concrete recycled micro powder is used for preparing a heat-preservation sound-insulation filling layer); 1.1kg of three-level fly ash; 43.3kg of brick-concrete recycled material with the thickness of 0-10 mm; 5.0kg of waste concrete regeneration fine materials; 4.0kg of water (wherein 2.4kg of water is used for preparing a bearing layer of the regeneration building block, and 1.6kg of water is used for preparing a heat-preservation sound-insulation filling layer); 0.12kg of foaming foam; 0.006kg of waste EPS foam particles.
The preparation method comprises the following steps:
adding the brick-concrete regenerated material, the waste concrete regenerated micro powder and the ordinary portland cement into a stirrer, dry-mixing for 30s, adding the mixing water, and mixing for 90s to obtain a new-mixing mixture.
And adding the freshly mixed mixture into a mold, and performing vibration extrusion to obtain the prefabricated regenerated load-bearing building block.
Adding the waste concrete regeneration fine material, the waste concrete regeneration micro powder, the three-level fly ash, the ordinary portland cement and the waste EPS foam particles into a stirrer, firstly, dry-mixing for 30s, then adding mixing water, and then, mixing for 30s to obtain a primary mixture.
Adding foaming foam into the primary mixture, and then mixing for 60s to obtain the heat-insulating and sound-insulating filler.
Pouring the heat-insulating and sound-insulating filler into the cavity of the prefabricated regenerative load-bearing building block, leveling, standing for 5 hours, and then moving the prefabricated regenerative load-bearing building block and the building block supporting plate into a curing room for 7 days to obtain a finished product.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
Claims (4)
1. A heat-insulating sound-insulating low-carbon wall building block is characterized by comprising a regenerated building block bearing layer (1) and a heat-insulating sound-insulating filling layer (2),
the regeneration building block bearing layer (1) is of a hollow structure, and the heat-preservation and sound-insulation filling layer (2) is filled in the hollow structure of the regeneration building block bearing layer (1);
the left end and the right end of the regenerated block bearing layer (1) are provided with a trapezoidal lug (3) and a trapezoidal cavity (4), and the trapezoidal lug (3) and the trapezoidal cavity (4) form an interlocking structure;
the trapezoid bump (3) is of a trapezoid structure, and an included angle alpha is formed between the inclined edge and the regenerated building block bearing layer (1) and is 120-150 degrees.
2. A heat-insulating and sound-insulating low-carbon wall block as claimed in claim 1, wherein the regenerated block bearing layer (1) is internally provided with reinforcing ribs (1-1).
3. A heat-insulating and sound-insulating low-carbon wall block as claimed in claim 1, wherein the regenerated block bearing layer (1) is made of brick-concrete regenerated material.
4. A heat-insulating sound-insulating low-carbon wall block as claimed in claim 1, wherein the heat-insulating sound-insulating filling layer (2) is made of waste concrete recycled fine materials.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221429424.6U CN217998503U (en) | 2022-06-08 | 2022-06-08 | Heat-preservation sound-insulation type low-carbon wall building block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221429424.6U CN217998503U (en) | 2022-06-08 | 2022-06-08 | Heat-preservation sound-insulation type low-carbon wall building block |
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| CN217998503U true CN217998503U (en) | 2022-12-09 |
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| CN202221429424.6U Active CN217998503U (en) | 2022-06-08 | 2022-06-08 | Heat-preservation sound-insulation type low-carbon wall building block |
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