Formaldehyde purification grating plate

Abstract

The utility model belongs to the technical field of building interior decoration, and particularly relates to an aldehyde purification grating plate which comprises a sound absorption bottom plate, a plurality of aldehyde purification battens are evenly distributed on the sound absorption bottom plate, the aldehyde purification battens are arranged in parallel, and a gap is formed between every two adjacent aldehyde purification battens. Each formaldehyde-removing wood strip structurally comprises a PVC foaming layer A, a bamboo charcoal composite layer and a PVC foaming layer B in sequence from top to bottom, the bamboo charcoal composite layer is tightly pressed between the PVC foaming layer A and the PVC foaming layer B, a wood veneer is fixed to the upper surface of the PVC foaming layer A, and the lower surface of the PVC foaming layer B is fixed to the upper surface of the sound-absorbing bottom plate. The sound-absorbing and air-purifying composite board not only has a sound-absorbing function, but also is additionally endowed with an air-purifying capability, so that the market vacancy is filled, and the pursuit of the modern indoor environment for environmental protection and healthy life is met.

Description

Technical Field

[0001] This utility model belongs to the technical field of building interior decoration, and specifically relates to a formaldehyde-removing grille. Background Technology

[0002] With the increasing demands of modern buildings for indoor environmental quality and acoustic performance, sound-absorbing panels, as a material that can effectively absorb indoor sound and reduce noise transmission, are widely used in various places, such as shopping malls, exhibition halls, conference halls, and homes. However, sound-absorbing panels currently have functional limitations, such as poor moisture and fire resistance, limited noise reduction effect, and often lack air purification functions.

[0003] Existing technologies include research addressing the functional limitations of current sound-absorbing panels. For example, patent application CN218366849U – a polyester grille sound-absorbing panel – improves sound absorption through a multi-layered structure and enhances its moisture-proof and fire-resistant properties with a moisture-proof PE film layer and a fire-retardant paint layer. Another example is patent application CN218366849U – a wood-grilled sound-absorbing panel with edging, which absorbs sound waves through numerous interconnected pores within the sound-absorbing felt and generates different reflected waves through the uneven surface of the wood grille, thus diffuses the sound and achieves noise reduction. While existing grille sound-absorbing panels have solved the problems of poor moisture-proof and fire-resistant properties and limited noise reduction, they are still insufficient in absorbing and purifying harmful gases such as formaldehyde, making it difficult to meet the environmental and health requirements of modern indoor environments. Therefore, a new technical solution is needed to address these technical problems. Utility Model Content

[0004] The purpose of this utility model is to provide a formaldehyde-removing grille to solve the problems mentioned in the background art, such as the current grille sound-absorbing panels being insufficient in absorbing and purifying harmful gases such as formaldehyde, making it difficult to meet the environmental protection and health requirements of modern indoor environments.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a formaldehyde-removing grille panel, comprising a sound-absorbing base plate, wherein a plurality of formaldehyde-removing wood strips are evenly distributed on the sound-absorbing base plate, the total thickness of the formaldehyde-removing wood strips is equal to the thickness of the sound-absorbing base plate and is 11.5-12.5 mm, the plurality of formaldehyde-removing wood strips are arranged in parallel to each other and there is a gap of 0.8-1.5 cm between adjacent strips, and the structure of a single formaldehyde-removing wood strip from top to bottom includes a PVC foam layer A, a bamboo charcoal composite layer and a PVC foam layer B, the bamboo charcoal composite layer is tightly pressed between the PVC foam layer A and the PVC foam layer B, the upper surface of the PVC foam layer A is fixed with wood veneer, and the lower surface of the PVC foam layer B is fixed to the upper surface of the sound-absorbing base plate.

[0006] Furthermore, the bamboo charcoal composite layer is made by hot pressing a mixture of bamboo charcoal powder and PVC in a mass ratio of 4:6, and has honeycomb-shaped adsorption pores that penetrate the entire layer thickness. The honeycomb-shaped adsorption pores are irregularly distributed. The bamboo charcoal composite layer forms a sandwich structure with a seamless interface between it and the PVC foam layer A and the PVC foam layer B.

[0007] Furthermore, the thickness of the PVC foam layer A is equal to the thickness of the PVC foam layer B and both are less than the thickness of the bamboo charcoal composite layer; the density of the PVC foam layer A is equal to the density of the PVC foam layer B and both are greater than the density of the bamboo charcoal composite layer.

[0008] Furthermore, the wood veneer is natural wood veneer and its upper surface is coated with a UV excimer coating, and the lower surface of the wood veneer is tightly attached to the upper surface of the PVC foam layer A; the thickness of the wood veneer is 0.45-0.55 mm, and the thickness of the UV excimer coating is 0.008-0.012 mm.

[0009] Compared with the prior art, the beneficial effects of this utility model are:

[0010] 1. This utility model adopts a multi-layered design combining formaldehyde-removing wood strips with a sound-absorbing base plate. Compared with existing sound-absorbing panels, this formaldehyde-removing grille not only has sound absorption function but also additional air purification capabilities, filling a market gap and meeting the modern indoor environment's pursuit of environmental protection and healthy living. Utilizing the adsorption and decomposition effects of the bamboo charcoal composite layer, the formaldehyde-removing grille can absorb and purify harmful gases such as formaldehyde, making the indoor air fresher and healthier. The spacing between adjacent formaldehyde-removing wood strips not only makes it easier for the bamboo charcoal composite layer to capture harmful gases such as formaldehyde in the air, further improving the absorption and purification rate and achieving the purpose of air purification, but also further enhances the sound diffusion effect and improves noise reduction performance. By tightly pressing PVC foam layers A and B onto the upper and lower surfaces of the bamboo charcoal composite layer respectively, the formaldehyde-removing grille can maintain stable performance in humid or flammable environments by utilizing the moisture-proof and fire-resistant properties of the PVC material itself, further enhancing the overall moisture-proof and fire-resistant effect of the formaldehyde-removing grille, improving the product's safety and reliability, and providing strong protection for indoor safety.

[0011] 2. By rationally optimizing the spacing between two adjacent formaldehyde-removing wooden strips, this utility model enables the formaldehyde-removing grid panel to not only more effectively absorb and diffuse sound waves, reducing the accumulation and propagation of noise and providing a quieter space for the indoor environment, but also to maintain the aesthetics of the panel while facilitating the entry of harmful gases such as formaldehyde into the capture range of the bamboo charcoal composite layer, adding a sense of layering and artistry to the indoor space and enhancing the overall decoration effect.

[0012] 3. This utility model introduces a bamboo charcoal composite layer made of bamboo charcoal powder and PVC in a 4:6 mass ratio onto the formaldehyde-removing wood strip. This allows the formaldehyde-removing grid board to not only inherit the excellent formaldehyde adsorption performance of bamboo charcoal, but also improve the stability and durability of the material through the addition of PVC. On this basis, the irregularly distributed honeycomb adsorption pores that penetrate the entire thickness of the bamboo charcoal composite layer further increase the adsorption surface area and improve the adsorption and purification efficiency of harmful gases such as formaldehyde. This makes the formaldehyde-removing grid board far superior to existing sound-absorbing boards in terms of formaldehyde removal effect, with a purification rate of up to 87%. By using co-extrusion hot pressing to form a sandwich structure with a seamless interface between PVC foam layer A, bamboo charcoal composite layer, and PVC foam layer B, the strength and stability of the formaldehyde-removing grid board are enhanced, as well as its moisture-proof, fire-proof, and weather-resistant properties. This effectively reduces the penetration path of moisture and harmful substances, thereby extending the service life of the formaldehyde-removing grid board and improving its applicability in various harsh environments.

[0013] 4. This utility model uses natural wood veneer as a decorative material and is coated with a UV excimer coating, which not only enhances the aesthetics of the formaldehyde-removing grating board, making it more harmonious and unified with the interior decoration style, adding warmth and elegance to the interior space, but also enhances the stain resistance and moisture resistance of the formaldehyde-removing grating board, making it easy to clean and maintain. At the same time, it can effectively resist daily wear and scratches, maintaining the long-lasting beauty of the board. Attached Figure Description

[0014] Figure 1 This is a partial structural schematic diagram of the formaldehyde-removing grille of this utility model;

[0015] Figure 2 for Figure 1 Schematic diagram of the exploded assembly structure;

[0016] Figure 3 for Figure 1 A schematic diagram of the side cross-section structure;

[0017] Figure 4 for Figure 3 A schematic diagram of the side cross-section of a single formaldehyde-free wood strip;

[0018] Figure 5 This is an exploded view of the assembly structure of the natural wood veneer, single formaldehyde-removing wood strip, and sound-absorbing base plate of this utility model.

[0019] The components include: 1. Sound-absorbing baseboard; 2. Formaldehyde-removing wood strips; 201. PVC foam layer A; 202. Bamboo charcoal composite layer; 2021. Adsorption pores; 203. PVC foam layer B; 3. Wood veneer; 4. UV excimer coating. Detailed Implementation

[0020] The following embodiments are used to further illustrate the content of this utility model and do not limit the application of this utility model. In these embodiments, PVC refers to polyvinyl chloride and UV refers to ultraviolet light.

[0021] Please see Figures 1-5 This utility model provides a formaldehyde-removing grille, including a sound-absorbing base plate 1 for sound absorption. Several formaldehyde-removing wooden strips 2 are evenly distributed on the sound-absorbing base plate 1 for absorbing and purifying harmful gases such as formaldehyde. The total thickness of the formaldehyde-removing wooden strips 2 is equal to the thickness of the sound-absorbing base plate 1 and is 11.5 to 12.5 mm. The several formaldehyde-removing wooden strips 2 are arranged in parallel to each other and there is a gap of 0.8 to 1.5 cm between adjacent strips.

[0022] The structure of the single formaldehyde-removing wood strip 2, from top to bottom, includes a PVC foam layer A201, a bamboo charcoal composite layer 202, and a PVC foam layer B203. The bamboo charcoal composite layer 202 is made by hot pressing a mixture of bamboo charcoal powder and PVC in a mass ratio of 4:6. It has honeycomb adsorption pores 2021 that penetrate through the layer and are used to absorb and purify harmful gases such as formaldehyde. The honeycomb adsorption pores 2021 are irregularly distributed.

[0023] The bamboo charcoal composite layer 202 is tightly pressed between the PVC foam layer A201 and the PVC foam layer B203 to form a sandwich structure with a seamless interface. The thickness of the PVC foam layer A201 is equal to the thickness of the PVC foam layer B203 and is less than the thickness of the bamboo charcoal composite layer 202. The density of the PVC foam layer A201 is equal to the density of the PVC foam layer B203 and is greater than the density of the bamboo charcoal composite layer 202.

[0024] The lower surface of the PVC foam layer B203 is fixed to the upper surface of the sound-absorbing base plate 1. The upper surface of the PVC foam layer A201 is fixed with a decorative wood veneer 3. The wood veneer 3 is a natural wood veneer and its upper surface is coated with a UV excimer coating 4 to enhance stain resistance and moisture resistance. The lower surface of the wood veneer 3 is tightly attached to the upper surface of the PVC foam layer A201. The thickness of the wood veneer 3 is 0.45-0.55 mm, and the thickness of the UV excimer coating 4 is 0.008-0.012 mm.

[0025] The working principle and usage process of this utility model are as follows: Figures 1-5As shown, after assembly, the formaldehyde-removing grille is installed on the wall (the conventional functions and structures of walls are well known in the field, and the connection settings are also common knowledge, so they will not be explained in detail here, nor are they shown in the attached drawings). The purpose is to give the formaldehyde-removing grille not only sound absorption but also air purification capabilities, filling a market gap and meeting the modern indoor environment's pursuit of environmental protection and healthy living. At the same time, it can maintain stable performance in humid or flammable environments, further enhancing the overall moisture-proof and fire-proof effects, improving the product's safety and reliability, and providing strong protection for indoor safety.

[0026] When the formaldehyde-removing grille needs to be installed indoors, the decorator first needs to fix the sound-absorbing base plate 1 to the wall surface by bolts or adhesive. Then, several formaldehyde-removing wood strips 2, which are formed by co-extrusion hot pressing of PVC foam layer A-bamboo charcoal composite layer-PVC foam layer B, are arranged in parallel on the sound-absorbing base plate 1 and fixed to the sound-absorbing base plate 1 by adhesive. At the same time, the spacing between two adjacent formaldehyde-removing wood strips 2 should be controlled between 0.8 and 1.5 cm. This allows the formaldehyde-removing wood strips 2 to not only more effectively assist the sound-absorbing base plate 1 in absorbing and dispersing sound waves, but also to facilitate the entry of harmful gases such as formaldehyde into the capture range of the bamboo charcoal composite layer while maintaining the aesthetics of the board. Then, wood veneer 3 is fixed to the upper surface of each formaldehyde-removing wood strip 2 by adhesive. Finally, UV excimer coating 4 is applied to the upper surface of the wood veneer 3 by coating. After the UV excimer coating 4 is cured, the installation of the formaldehyde-removing grille is completed.

[0027] When sound is generated indoors, most of the sound is absorbed by the sound-absorbing base plate 1, while a small portion of the sound is absorbed with the help of the PVC foam layer A201 and PVC foam layer B203. The sound waves are diffused by the gap between the formaldehyde-free wood strips 2, reducing the accumulation and propagation of noise and providing a quieter space for the indoor environment.

[0028] When harmful gases such as formaldehyde are generated indoors, the gaps between the formaldehyde-purifying wood strips 2 guide the formaldehyde and other harmful gases to the capture range of the bamboo charcoal composite layer 202. Then, the honeycomb adsorption pores 2021 in the bamboo charcoal composite layer 202 absorb and purify the formaldehyde and other harmful gases, making the indoor air fresher and healthier, and meeting the modern indoor environment's pursuit of environmental protection and healthy living.

Claims

1. A formaldehyde-removing grille panel, comprising a sound-absorbing base plate, characterized in that, The sound-absorbing base plate has several formaldehyde-removing wood strips evenly distributed on it. The formaldehyde-removing wood strips are arranged in parallel with a gap between adjacent strips. The structure of a single formaldehyde-removing wood strip, from top to bottom, includes a PVC foam layer A, a bamboo charcoal composite layer, and a PVC foam layer B. The bamboo charcoal composite layer is tightly pressed between the PVC foam layer A and the PVC foam layer B. The upper surface of the PVC foam layer A is fixed with wood veneer, and the lower surface of the PVC foam layer B is fixed to the upper surface of the sound-absorbing base plate.

2. The formaldehyde-removing grille according to claim 1, characterized in that, The spacing between two adjacent formaldehyde-free wood strips is 0.8 to 1.5 cm.

3. The formaldehyde-removing grille according to claim 2, characterized in that, The bamboo charcoal composite layer is made by hot pressing a mixture of bamboo charcoal powder and PVC in a mass ratio of 4:

6.

4. The formaldehyde-removing grille according to claim 3, characterized in that, The interior of the bamboo charcoal composite layer has honeycomb-shaped adsorption pores that penetrate the entire layer thickness, and these honeycomb-shaped adsorption pores are irregularly distributed.

5. A formaldehyde-removing grille according to claim 4, characterized in that, The bamboo charcoal composite layer forms a sandwich structure with a seamless interface between it and PVC foam layers A and B.

6. A formaldehyde-removing grille according to claim 5, characterized in that, The thickness of the PVC foam layer A is equal to the thickness of the PVC foam layer B, and both are less than the thickness of the bamboo charcoal composite layer.

7. A formaldehyde-removing grille according to claim 6, characterized in that, The density of the PVC foam layer A is equal to the density of the PVC foam layer B, and both are greater than the density of the bamboo charcoal composite layer.

8. The formaldehyde-removing grille according to claim 1, characterized in that, The total thickness of the formaldehyde-removing wood strips is equal to the thickness of the sound-absorbing base plate, and both are 11.5 to 12.5 mm.

9. A formaldehyde-removing grille according to claim 1, characterized in that, The wood veneer is a natural wood veneer with a UV excimer coating on its upper surface, and the lower surface of the wood veneer is tightly bonded to the upper surface of the PVC foam layer A.

10. A formaldehyde-removing grille according to claim 9, characterized in that, The thickness of the wood veneer is 0.45–0.55 mm, and the thickness of the UV excimer coating is 0.008–0.012 mm.

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