CN108002754B - Tail gas degradation type environment-friendly sound absorption brick, preparation method thereof and tail gas degradation type environment-friendly sound barrier - Google Patents
Tail gas degradation type environment-friendly sound absorption brick, preparation method thereof and tail gas degradation type environment-friendly sound barrier Download PDFInfo
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- CN108002754B CN108002754B CN201711110776.9A CN201711110776A CN108002754B CN 108002754 B CN108002754 B CN 108002754B CN 201711110776 A CN201711110776 A CN 201711110776A CN 108002754 B CN108002754 B CN 108002754B
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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
- C04B28/001—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 unburned clay
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
- C04B41/5041—Titanium oxide or titanates
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/65—Coating or impregnation with inorganic materials
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0023—Details, e.g. foundations
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00025—Aspects relating to the protection of the health, e.g. materials containing special additives to afford skin protection
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Architecture (AREA)
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- Dispersion Chemistry (AREA)
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Abstract
The invention discloses a tail gas degradation type environment-friendly sound absorption brick, a preparation method thereof and a tail gas degradation type environment-friendly sound barrier, wherein the tail gas degradation type environment-friendly sound barrier is made of the tail gas degradation type environment-friendly sound absorption brick, and the sound absorption brick comprises the following components in percentage by weight: 20-30% of clay; 20-30% of waste concrete powder; 25-35% of waste steel slag powder; 4-6% of cement; 3-5% of gypsum; 5-15% of quicklime and water, wherein the mixing amount of the water is 10-13%. Adopt clay, abandonment concrete powder, scrap steel slag powder as the main raw and other materials of preparation acoustic brick, when utilizing the discarded object comprehensively, reduction in production cost has good market perspective, accords with green's sustainable development, and at the surperficial spraying photocatalyst nanometer titanium dioxide of acoustic brick, harmful gas such as nitrogen oxide in can effectively decomposing the tail gas has improved the quality of life of the peripheral resident of road.
Description
Technical Field
The invention relates to the technical field of sound barrier devices, in particular to a tail gas degradation type environment-friendly sound absorption brick, a preparation method thereof and a tail gas degradation type environment-friendly sound barrier.
Background
With the rapid development of economy, the urbanization process is accelerated continuously, the traffic network is encrypted, and the vehicle holding amount is not more in an absolute rising trend. In residential areas with concentrated population, traffic noise is seriously influencing the lives of residents around roads, and serious troubles are brought to the residents. Meanwhile, the automobile exhaust also causes urban air pollution, and particularly has great influence on the surrounding environment of roads, so that the effective removal and treatment of nitrogen oxides in the automobile exhaust become a problem to be solved urgently at present.
In the field of sound barrier devices, the application of sound barriers on expressways is very extensive, and the sound barriers can block automobile noise, but most of the existing sound barriers adopt a steel structure upright post and a sound absorption and insulation screen plate, so that the manufacturing cost is high, and the nitrogen oxide in automobile exhaust can not be decomposed simultaneously.
In view of the defects of the existing sound barrier, the inventor of the invention actively makes research and innovation based on practical experience and professional knowledge which are abundant for many years when the product is designed and manufactured, and by matching with the application of theory, so as to create a tail gas degradation type environment-friendly sound absorption brick, a preparation method thereof and a tail gas degradation type environment-friendly sound barrier, and the tail gas degradation type environment-friendly sound barrier has higher practicability. After continuous research and design and repeated trial production and improvement, the invention with practical value is finally created.
Disclosure of Invention
The main purpose of the present invention is to overcome the defects of the existing sound barrier, and to provide a tail gas degradation type environmental protection sound absorption brick, a preparation method thereof, and a tail gas degradation type environmental protection sound barrier, wherein waste materials are recycled, which is not only beneficial to environmental protection, but also can effectively degrade oxynitride in automobile tail gas, thereby being more practical and having industrial utilization value.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme.
The tail gas degradation type environment-friendly sound absorption brick comprises the following components in percentage by weight:
20 to 30 percent of clay
20 to 30 percent of waste concrete powder
25 to 35 percent of waste steel slag powder
4 to 6 percent of cement
3 to 5 percent of gypsum
5 to 15 percent of quicklime,
10-13% of water.
As a preferred technical scheme, the sound absorption brick comprises the following components in percentage by weight:
clay 23%
22 percent of waste concrete powder
27 percent of waste steel slag powder
4 percent of cement
3 percent of gypsum
9 percent of quicklime
12 percent of water.
As a preferred technical scheme, the surface of the sound absorption brick is sprayed with nano titanium dioxide.
As a preferable technical proposal, the spraying amount of the nano titanium dioxide is 250-600g/m2Namely, the amount of the nano titanium dioxide sprayed on each square meter of the surface of the sound absorption brick is 250-600 g.
The preparation method of the tail gas degradation type environment-friendly sound absorption brick comprises the following steps:
step 1, crushing waste concrete reinforcement materials into waste concrete powder, and crushing waste steel slag into waste steel slag powder for later use;
and 3, spraying nano titanium dioxide on the surface of the sound absorption brick obtained after the molding in the step 2, and naturally curing to obtain the tail gas degradation type environment-friendly sound absorption brick.
As a preferable technical scheme, in the step 1, the waste concrete powder and the waste steel slag powder are respectively sieved by 9 meshes and 60 meshes.
Tail gas degradation type environmental protection sound barrier, include as above tail gas degradation type environmental protection acoustic brick, H shaped steel stand, underground foundation, the H shaped steel stand is provided with a plurality ofly, and parallel fixed the setting respectively is in on the underground foundation, tail gas degradation type environmental protection acoustic brick sets up adjacent two between the H shaped steel stand.
Two place including a plurality of vertical directions between the H shaped steel stand tail gas degradation type environmental protection acoustic brick, and adjacent two be provided with the angle bar clamp plate between the tail gas degradation type environmental protection acoustic brick, just the angle bar clamp plate pass through the bolt with the H shaped steel stand is fixed.
As a preferable technical solution, the underground foundation includes a steel pipe pile arranged underground and a foundation arranged on the steel pipe pile;
be provided with rag bolt in the basis for connect fixedly the H shaped steel stand.
As a preferred technical scheme, the bottom of the H-shaped steel upright is fixedly arranged on an upright bottom plate, and the upright bottom plate is fixedly connected to the upper end of the foundation through the foundation bolts.
As a preferred technical scheme, a rib plate is fixedly connected between the lower end part of the H-shaped steel upright post and the upright post bottom plate.
By adopting the technical scheme, the following technical effects can be realized:
1) the clay, the waste concrete powder and the waste steel slag powder are used as main raw materials for manufacturing the sound absorption brick, the waste is comprehensively utilized, meanwhile, the production cost is reduced, the sound absorption brick has a good market application prospect and accords with the sustainable development of green environmental protection, and the photocatalyst nano titanium dioxide is sprayed on the surface of the sound absorption brick, so that harmful gases such as nitrogen oxides in tail gas can be effectively decomposed, and the life quality of residents around the road is improved;
2) the sound absorption brick made of waste concrete powder and waste steel slag powder is used as a sound barrier, so that the noise environment of residents on two sides of a road can be effectively improved, the air quality on two sides of the road can be improved, the harm of harmful gas to a human body is reduced, and the sound absorption brick has good environmental protection benefits and social benefits.
Drawings
FIG. 1 is a schematic structural view of an environmental protection barrier for degrading tail gas according to the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a plan view of the tail gas degradation type environmental protection sound barrier according to the present invention;
FIG. 4 is a schematic view showing the connection between the tail gas-degradable environment-friendly sound-absorbing brick and an H-shaped steel upright post;
wherein, 1-base; 2-steel pipe pile; 3-H-shaped steel upright posts; 4-tail gas degradation type environment-friendly sound absorption brick; 5-angle iron press plate; 6-foundation bolts; 7-rib plate; 8-column bottom plate.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the embodiments, features and effects of the tail gas degradation type environmental protection sound absorption brick and the preparation method thereof and the tail gas degradation type environmental protection sound barrier according to the present invention are described in detail as follows.
The invention discloses a tail gas degradation type environment-friendly sound absorption brick 4 which comprises the following components in percentage by weight:
20 to 30 percent of clay
20 to 30 percent of waste concrete powder
25 to 35 percent of waste steel slag powder
4 to 6 percent of cement
3 to 5 percent of gypsum
5 to 15 percent of quicklime,
10-13% of water.
As a preferred technical scheme, the sound absorption brick comprises the following components in percentage by weight:
clay 23%
22 percent of waste concrete powder
27 percent of waste steel slag powder
4 percent of cement
3 percent of gypsum
9 percent of quicklime
12 percent of water.
The waste concrete and the waste steel slag powder are used as raw materials, so that the cost can be reduced, natural resources are saved, the contradiction between supply and demand of aggregates is relieved, the pollution of the waste concrete and the waste steel slag to the environment can be reduced, and the method is an important component of a sustainable development strategy.
As a preferable technical proposal, the surface of the sound absorption brick is sprayed with nano titanium dioxide, wherein the spraying amount of the nano titanium dioxide is 250-600g/m2That is, the amount of the nano titanium dioxide sprayed on the surface of the sound absorption brick per square meter is 250-600g, and the optimal amount is 300 g/m2. The nano titanium dioxide is sprayed on the surface of the sound absorption brick, and under the irradiation of sunlight, the nano titanium dioxide can convert light energy into chemical energy to remove harmful gas NO in automobile exhaustXCatalytic oxidation, thereby improving the air quality. In addition, the titanium dioxide has the characteristics of high chemical stability, corrosion resistance, high oxidation-reduction potential, large driving of photocatalytic reaction, higher photocatalytic activity, no toxicity and low cost, and has great application prospect.
The preparation method of the tail gas degradation type environment-friendly sound absorption brick 4 comprises the following steps:
step 1, crushing waste concrete reinforcement materials into waste concrete powder and waste steel slag into waste steel slag powder for later use, preferably, crushing the waste concrete and the waste steel slag by using a jaw crusher, and respectively sieving the obtained waste concrete powder and the waste steel slag powder by 9 meshes and 60 meshes;
and 3, spraying nano titanium dioxide on the surface of the sound absorption brick obtained after the forming in the step 2, and naturally curing to obtain the tail gas degradation type environment-friendly sound absorption brick 4.
Tail gas degradation type environmental protection sound barrier, include as above tail gas degradation type environmental protection acoustic brick 4, H shaped steel stand 3, underground foundation, H shaped steel stand 3 is provided with a plurality ofly, and the fixed setting that is parallel respectively is on underground foundation, it is concrete, the web parallel arrangement of every H shaped steel stand 3, two edges of a wing of H shaped steel stand are in respectively on two parallel lines, tail gas degradation type environmental protection acoustic brick 4 sets up between two adjacent H shaped steel stands 3, it is concrete, tail gas degradation type environmental protection acoustic brick 4 sets up between the web of two adjacent H shaped steel stands 3.
Specifically, including tail gas degradation type environmental protection acoustic brick 4 that a plurality of vertical directions were placed between two H shaped steel stands 3, and be provided with angle bar clamp plate 5 between every two adjacent tail gas degradation type environmental protection acoustic bricks 4, and angle bar clamp plate 5 is fixed with H shaped steel stand 3 through the bolt, angle bar clamp plate 5's setting makes being connected between tail gas degradation type environmental protection acoustic brick 4 and the H shaped steel stand 3 inseparabler, thereby further increased the joint strength between tail gas degradation type environmental protection acoustic brick 4 and the H shaped steel stand 3, make it can support keep out the wind or other external acting forces, service life has been prolonged.
As a preferred technical scheme, the underground foundation comprises a steel pipe pile 2 arranged underground and a foundation 1 arranged on the steel pipe pile 2;
be provided with rag bolt 6 in the basis 1 for connect fixed H shaped steel stand 3.
Preferably, the bottom of H shaped steel stand 3 is fixed to be set up on stand bottom plate 8, and stand bottom plate 8 passes through rag bolt 6 fixed connection in the upper end of basis 1, connects H shaped steel stand 3 through stand bottom plate 8, provides the holding power for it, makes things convenient for its installation to dismantle.
Preferably, a rib plate 7 is fixedly connected between the lower end part of the H-shaped steel upright 3 and the upright bottom plate 8, and the rib plate 7 is used as a reinforcing rib and can reinforce the upright bottom plate 8 so that the upright bottom plate is not deformed under stress, thereby enhancing the bearing capacity. Specifically, the stud part at the upper end of the foundation bolt 6 penetrates through the foundation 1 to extend upwards, the rib plate 7 is fixedly connected between the lower end part of the H-shaped steel upright post 3 and the upright post bottom plate 8, the upright post bottom plate 8 is fixedly connected to the upper end of the foundation 1 through matching with the foundation bolt 6 and a nut, and finally the foundation 1 and the H-shaped steel upright post 3 are fixedly connected.
The tail gas degradation type environment-friendly sound barrier of the tail gas degradation type environment-friendly sound absorption brick 4 prepared by the materials and the preparation method is subjected to performance test, the sound insulation amount reaches 46.3dB (A), the sound absorption coefficient reaches 0.87, and the tail gas degradation nitrogen oxide reaches more than 80%, so that the performance is excellent, and the tail gas degradation type environment-friendly sound barrier is suitable for barriers on two sides of a road.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The tail gas degradation type environment-friendly sound absorption brick is characterized by comprising the following components in percentage by weight:
20 to 30 percent of clay
20 to 30 percent of waste concrete powder
25 to 35 percent of waste steel slag powder
4 to 6 percent of cement
3 to 5 percent of gypsum
5 to 15 percent of quicklime
10 to 13 percent of water
And nano titanium dioxide is sprayed on the surface of the sound absorption brick.
2. The tail gas-degradable environment-friendly sound-absorbing brick as claimed in claim 1, wherein the sound-absorbing brick comprises the following components in percentage by weight:
clay 23%
22 percent of waste concrete powder
27 percent of waste steel slag powder
4 percent of cement
3 percent of gypsum
9 percent of quicklime
12 percent of water.
3. The tail gas-degradable environment-friendly sound-absorbing brick as claimed in claim 1, wherein the spraying amount of the nano titanium dioxide is 250-600g/m2。
4. The method for preparing the exhaust gas degradation type environmental protection acoustical tile according to claim 1, comprising the steps of:
step 1, crushing waste concrete reinforcement materials into waste concrete powder, and crushing waste steel slag into waste steel slag powder for later use;
step 2, adding the clay, the waste concrete powder, the waste steel slag powder, the cement, the gypsum and the quicklime according to the weight percentage, adding water, stirring, and performing compression molding;
and 3, spraying nano titanium dioxide on the surface of the sound absorption brick obtained after the molding in the step 2, and naturally curing to obtain the tail gas degradation type environment-friendly sound absorption brick.
5. The method for preparing the tail gas degradation type environment-friendly sound absorption brick according to claim 4, wherein in the step 1, the waste concrete powder and the waste steel slag powder are respectively sieved by 9 meshes and 60 meshes.
6. The tail gas degradation type environmental protection sound barrier is characterized by comprising the tail gas degradation type environmental protection sound absorption brick (4), an H-shaped steel upright post (3) and an underground foundation according to claim 1, wherein the H-shaped steel upright post (3) is provided with a plurality of parallel fixed arranged on the underground foundation, and the tail gas degradation type environmental protection sound absorption brick (4) is arranged between two adjacent H-shaped steel upright posts (3).
7. The tail gas-degradable environmental protection sound barrier according to claim 6, wherein the underground foundation comprises a steel pipe pile (2) arranged underground and a foundation (1) arranged on the steel pipe pile (2);
and foundation bolts (6) are arranged in the foundation (1) and are used for connecting and fixing the H-shaped steel upright posts (3).
8. The tail gas degradation type environmental protection sound barrier according to claim 7, wherein the bottom of the H-shaped steel column (3) is fixedly arranged on a column bottom plate (8), and the column bottom plate (8) is fixedly connected to the upper end of the foundation (1) through the anchor bolt (6).
9. The tail gas degradation type environmental protection sound barrier according to claim 8, wherein a rib plate (7) is fixedly connected between the lower end of the H-shaped steel upright (3) and the upright bottom plate (8).
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| CN109748544B (en) * | 2019-03-18 | 2021-06-18 | 赵成颐 | Formula of road isolation material and road isolation belt adopting formula |
| CN111233392A (en) * | 2020-01-16 | 2020-06-05 | 深圳港创建材股份有限公司 | Waste concrete pressure forming brick and preparation method thereof |
| CN112030797A (en) * | 2020-08-28 | 2020-12-04 | 南京好声音环保工程有限公司 | Heavy cement-based sound absorption and insulation board |
| CN113024202B (en) * | 2021-03-10 | 2022-05-17 | 青海黄河上游水电开发有限责任公司 | Prefabricated guard plate at edge of foundation pit and preparation method, application and construction method thereof |
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| JP2007112692A (en) * | 2005-10-21 | 2007-05-10 | Teruhiro Komaki | Method for producing sound insulation concrete block and sound insulation concrete wall |
| CN101921095A (en) * | 2010-08-23 | 2010-12-22 | 马鞍山科达机电有限公司 | Environment-friendly high-strength construction waste autoclaved brick and production method thereof |
| CN203129708U (en) * | 2013-01-04 | 2013-08-14 | 上海电物集体资产管理有限公司 | Sound barrier for open-air transformer substation |
| CN103388295B (en) * | 2013-07-25 | 2015-05-13 | 济南黄河路桥工程公司 | Concrete pavement brick capable of degrading automobile exhaust |
| CN103469927B (en) * | 2013-09-12 | 2016-04-06 | 周建平 | A kind of preparation method of cracking resistance sound-proof lightweight wall |
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