CN116289684A - Manufacturing and mounting method of sound insulation screen for absorbing automobile exhaust - Google Patents

Abstract

The invention discloses a method for manufacturing and installing a sound insulation screen that absorbs automobile exhaust in the technical field of road sound insulation screens. It is characterized in that: the manufacturing and installation steps include: S1, preparing photocatalytic nano-TiO2 coating; Evenly coated on the surface of the existing anti-collision pier on the road; S3. Fix the H-shaped steel column to the anti-collision pier evenly coated with photocatalytic nano-TiO2 coating with U-shaped steel plate and bolts; S4. Separate the two sides of the sound insulation screen panel It is socket-connected with the H-shaped steel column and fixed on the anti-collision pier. The invention integrates the noise reduction function and the exhaust gas treatment function together, not only can realize better environmental benefits, but also has economic benefits at the same time.

Description

A method of manufacturing and installing a sound insulation screen for absorbing automobile exhaust

technical field

The invention relates to the technical field of sound-proof screens, in particular to a method for manufacturing and installing a sound-proof screen for absorbing automobile exhaust.

Background technique

The noise and air pollution problems caused by the increase in traffic volume have become problems that cannot be ignored. The current solution to this problem is generally to build sound barriers to solve the noise problem and install catalytic devices inside automobiles to alleviate exhaust pollution.

Automobile exhaust is more difficult to deal with in the external environment, mainly for the following reasons: Automobile exhaust is the gas discharged with the movement of automobiles, it is difficult to concentrate on processing; the composition of automobile exhaust is complex; it is easy to cause secondary pollution during the treatment of automobile exhaust. secondary pollution. Due to the three reasons that the above-mentioned automobile exhaust is difficult to handle, there are many research inventions on the treatment of automobile exhaust inside the vehicle, but there are few researches on the treatment of automobile exhaust in the external environment.

At present, domestic sound insulation screens are mainly improved in terms of the main structure and filling of sound-absorbing materials, and the integration of noise reduction functions and exhaust gas treatment functions can not only achieve better environmental benefits, but also have economic benefits. Combining the noise reduction function of the sound barrier with the exhaust gas treatment function through optimized design is of great practical significance for road traffic environmental protection.

As a photocatalyst, nano- _TiO2 is excited under the condition of ultraviolet irradiation, forming a strong redox potential on the surface of nano- _TiO2 particles, degrading automobile exhaust (HC and NOx) into harmless substances such as carbon dioxide and water.

Based on this, the present invention designs a method for manufacturing and installing a multifunctional sound insulation screen that absorbs automobile exhaust, so as to improve the noise and air pollution problems caused by the increase in traffic flow.

Contents of the invention

The object of the present invention is to provide a method for manufacturing and installing a multi-functional sound insulation screen for absorbing automobile exhaust, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a method for manufacturing and installing a sound insulation screen that absorbs automobile exhaust, the manufacturing and installing steps include: S1, preparing photocatalytic nano-TiO2 coating; S2, uniformly coating the photocatalytic nano-TiO2 coating Cover the surface of the existing anti-collision pier on the road; S3, fix the H-shaped steel column to the anti-collision pier evenly coated with photocatalytic nano-TiO2 coating with U-shaped steel plates and bolts; S4, connect the two sides of the sound insulation screen panel to the H Steel column socket connection, fixed on the anti-collision pier;

Preferably, nano TiO2 and sodium hexametaphosphate dispersant, epoxy resin binder, coating solution are prepared in water to prepare photocatalytic nano TiO2 coating.

Preferably, the mixing ratio of nano-TiO2, sodium hexametaphosphate dispersant, epoxy resin binder, and coating solution in the photocatalytic nano-TiO2 coating is 1:0.05:1.5:10.

Preferably, the nano-TiO2 is mineral-type TiO2 with a particle size of 20nm.

Preferably, the photocatalytic nano-TiO2 coating is uniformly coated on the surface of the existing anti-collision pier of the road with a dosage of 400g/m2 to form a photocatalytic nano-TiO2 coating.

Preferably, the sound insulation screen panel is a hollow box-type structure, the inside of the box-type structure is filled with centrifugal glass wool, and the outer surface of the centrifugal glass wool is covered with PET film.

Preferably, the back of the sound insulation screen panel is fixedly connected to the H-shaped steel column through a fastening clip structure.

Compared with prior art, the beneficial effect of the present invention is:

1. Integrating the noise reduction function and the exhaust gas treatment function together to save road space can not only achieve better environmental benefits, but also have economic benefits.

2. The present invention is not only applicable to the technology of new sound insulation screens, but also applicable to the renovation of existing sound insulation screens, saving construction costs.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that are required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is the side view of structural representation of the present invention;

Fig. 2 is the front view of structural representation of the present invention;

Fig. 3 is a schematic diagram of the tail gas degradation reaction process of the photocatalytic nano-TiO2 coating in the present invention. .

In the accompanying drawings, the list of parts represented by each label is as follows:

1. Anti-collision pier; 2. Photocatalytic nano-TiO2 coating; 3. Sound insulation panel; 31. Centrifugal glass wool; 32. PET film; 4. H-shaped steel column; 5. U-shaped steel plate; 6. Bolt; 7. fastening clip;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on The embodiments of the present invention and all other embodiments obtained by persons of ordinary skill in the art without creative efforts all belong to the protection scope of the present invention.

Embodiment one

Please refer to accompanying drawing 1 and accompanying drawing 2, the present invention provides a kind of technical scheme: a kind of method for making and installing the sound insulation screen that absorbs automobile exhaust, making and installing steps include: S1, prepare photocatalytic nano-TiO2 coating; The catalytic nano-TiO2 coating is evenly coated on the surface of the existing anti-collision pier 1 on the road; S3, the H-shaped steel column 4 is fixed on the anti-collision pier uniformly coated with the photocatalytic nano-TiO2 coating 2 by using U-shaped steel plates 5 and bolts 6; S4 , The two sides of the sound insulation screen panel 3 are respectively socketed and connected with the H-shaped steel column 4, and fixed on the anti-collision pier 1;

Described photocatalytic nano-TiO The mechanism that coating degrades automobile tail gas is:

TiO ₂ +hv→h ⁺ +e ^-

H ₂ O+h ^- → OH+H ⁺

OH ^- +h ⁺ → OH

O ₂ +e ^- → O ^{2 -}

H ₂ O+O ^2- →·OOH+ ^OH-

2·OOH→O ₂ +H ₂ O ₂

H ₂ O ₂ +e ^- → OH+OH ^-

NO+O ^2- →NO ₂

CO+O ^2- →CO ₂

CO ₂ +H ₂ O→H ₂ CO ₃

NO ₂ +·OH→HNO ₃

C _x HxO _z + OH→CO ₂ +H ₂ O

Specifically, the reaction process of photocatalytic nano-TiO2 coating to degrade automobile exhaust is shown in Figure 3.

Specifically, nano TiO2 and sodium hexametaphosphate dispersant, epoxy resin binder, and ethanol are prepared in water to prepare photocatalytic nano TiO2 coating.

Specifically, the mixing ratio of nano-TiO2, sodium hexametaphosphate dispersant, epoxy resin binder, ethanol, and water in the photocatalytic nano-TiO2 coating is 1:0.05:1.5:2.7:6.25.

Specifically, the nano-TiO2 is mineral-type TiO2 with a particle size of 20 nm.

Specifically, the photocatalytic nano-TiO2 coating is evenly coated on the surface of the existing anti-collision pier 1 on the road in an amount of 400g/m2 to form a photocatalytic nano-TiO2 coating 2 .

Specifically, the sound insulation screen panel 3 is a box-like structure with a hollow inside, and the inside of the box-like structure is filled with centrifugal glass wool 31 , and the outer surface of the centrifugal glass wool is covered with a PET film 32 .

Specifically, the back of the sound insulation screen panel 3 is fixedly connected to the H-shaped steel column 4 through a fastening clip structure 7 .

Embodiment two

The structure of this embodiment is basically the same as that of Embodiment 1, except that the photocatalytic nano-TiO2 coating is prepared using nano-TiO2 and sodium hexametaphosphate dispersant, epoxy resin binder, and low-concentration cement slurry.

Specifically, the mixing ratio of nano-TiO2, sodium hexametaphosphate dispersant, epoxy resin binder, cement and water in the photocatalytic nano-TiO2 coating is 1:0.05:1.5:2.25:6.7.

Embodiment Three

The structure of this embodiment is basically the same as that of Embodiment 2, except that the photocatalytic nano TiO2 coating is prepared using nano TiO2 and sodium hexametaphosphate dispersant, epoxy resin binder, and high-concentration cement slurry.

Specifically, the mixing ratio of nano-TiO2, sodium hexametaphosphate dispersant, epoxy resin binder, cement and water in the photocatalytic nano-TiO2 coating is 1:0.05:1.5:4.5:4.5.

In the description of this specification, descriptions referring to the terms "one embodiment", "example", "specific example" and the like mean that specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. In an embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are only to help illustrate the invention. The preferred embodiments do not exhaust all details nor limit the invention to only specific embodiments. Obviously, many modifications and variations can be made based on the contents of this specification. This description selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The invention is to be limited only by the claims, along with their full scope and equivalents.

Claims (7)

1. A manufacturing and mounting method of a sound insulation screen for absorbing automobile exhaust is characterized by comprising the following steps of: the manufacturing and mounting steps comprise: s1, preparing photocatalysis nano TiO ₂ A coating; s2, carrying out photocatalysis on the nano TiO ₂ The paint is uniformly coated on the surface of the existing road anti-collision pier (1); s3, fixing the H-shaped steel upright post (4) on the uniformly coated photocatalysis nano TiO by using a U-shaped steel plate (5) and a bolt (6) ₂ An anti-collision pier of the coating (2); s4, the two side edges of the sound insulation screen panel (3) are respectively connected with the H-shaped steel upright posts (4) in a socket connection mode and are fixed on the anti-collision piers (1).

2. The method for manufacturing and installing the sound insulation screen for absorbing automobile exhaust according to claim 1, wherein the method comprises the following steps of: using nano TiO ₂ And sodium hexametaphosphate dispersant, epoxy resin binder and coating solution in water to prepare photocatalysis nano TiO ₂ And (3) coating.

3. The method for manufacturing and installing the sound insulation screen for absorbing automobile exhaust according to claim 2, wherein the method comprises the following steps of: the photocatalysis nanometer TiO ₂ Nano TiO in paint ₂ Dispersing sodium hexametaphosphateThe mixing ratio of the agent to the epoxy resin binder to the coating solution is 1:0.05:1.5:10.

4. the method for manufacturing and installing the sound insulation screen for absorbing automobile exhaust according to claim 2, wherein the method comprises the following steps of: the nano TiO ₂ Is mineral TiO with particle size of 20nm ₂ 。

5. The method for manufacturing and installing the sound insulation screen for absorbing automobile exhaust according to claim 2, wherein the method comprises the following steps of: the photocatalysis nanometer TiO ₂ The coating was applied at 400g/m ² The amount of the catalyst is uniformly coated on the surface of the existing road anti-collision pier (1) to form a photocatalysis nano TiO2 coating layer (2).

6. The method for manufacturing and installing the sound insulation screen for absorbing automobile exhaust according to claim 1, wherein the method comprises the following steps of: the sound insulation screen panel (3) is of a box type structure with a hollow inside, centrifugal glass wool (31) is filled in the box type structure, and a PET film (32) is coated on the outer surface of the centrifugal glass wool.

7. The method for manufacturing and installing the sound insulation screen for absorbing automobile exhaust according to claim 1, wherein the method comprises the following steps of: the back of the sound insulation screen panel (3) is fixedly connected with the H-shaped steel upright post (4) through a fastening clip structure (7).

Images