CN209941963U - Noise reduction wall - Google Patents

Abstract

The utility model relates to a wall body of making an uproar falls, including wall body, sound absorbing layer, fossil fragments skeleton and perforated plate. The keel frame will the sound absorbing layer compress tightly in the surface of wall body, the perforated plate install in on the keel frame, a plurality of through-holes have been seted up on the perforated plate. Noise in the workshop is absorbed by the sound absorbing layer behind the through-hole on the perforated plate on the one hand, and the noise that the wall body produced because of reasons such as vibration is absorbed by the sound absorbing layer on the other hand, has effectively reduced the noise pollution in the workshop.

Description

Noise reduction wall

Technical Field

The utility model relates to a technical field of making an uproar falls in the wall body sound insulation, concretely relates to wall body of making an uproar falls.

Background

Various moving devices are arranged in industrial enterprise plants, and noises such as mechanical vibration, airflow noise and the like not only influence the physical and mental health of operators, but also influence social environments outside the factory boundary due to noise pollution. Therefore, the sound insulation and noise reduction wall adopted in the construction and transformation of industrial enterprise plants is an essential measure for preventing and controlling noise pollution.

Along with the increasing requirements of the nation and the society on energy conservation and environmental protection, the requirements on the performances of wall body such as heat preservation, noise reduction and the like in building construction are also increasing. The wall body that adopts in the construction of current adopts simple, concrete structure or mud, brick wall isotructure mostly, does not have good heat preservation and falls the performance of making an uproar, causes the energy consumption height among the daily life, the noise is big, is unfavorable for energy-concerving and environment-protective and people's health, in people to energy-concerving and environment-protective and healthy more and more attach attention today, the wall body of traditional structure more and more can not satisfy people to the requirement of making an uproar of falling.

In stainless steel polishing plants, noise, dust and fire safety are three paramount factors of safety management and control. Among them, noise pollution is a major factor that seriously affects physical and psychological health of operators. The main causes of noise are as follows:

(1) the low-frequency vibration of the machine in the equipment room forms a sound source, and noise is formed again through physical transmission of a wall body and is diffused indoors;

(2) low and medium frequency noise generated by the equipment itself;

(3) no sound absorption treatment measures are provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can effectively reduce the interior noise of workshop wall body of making an uproar falls to the problem that has great noise pollution influence operating personnel's physical and mental health in current workshop.

The utility model provides a wall body of making an uproar falls, includes the wall body, inhales sound layer, fossil fragments skeleton and perforated plate, fossil fragments skeleton will inhale the sound layer compress tightly in the surface of wall body, the perforated plate install in on the fossil fragments skeleton, a plurality of through-holes have been seted up on the perforated plate.

In one embodiment, the sound absorption layer is made of centrifugal glass wool.

In one embodiment, the sound absorption layer has a thickness of 50mm to 100 mm.

In one embodiment, the surface of the sound absorption layer is wrapped by flame-retardant non-woven fabric.

In one embodiment, the keel frame comprises a plurality of transverse keels arranged at intervals and a plurality of longitudinal keels arranged at intervals, and the plurality of transverse keels and the plurality of longitudinal keels are arranged in a crossed mode to form a plurality of accommodating frames.

In one embodiment, the distance between two adjacent transverse keels is 300mm-800mm, and the distance between two adjacent longitudinal keels is 300mm-800 mm.

In one embodiment, the fireproof bag is filled in the accommodating frame.

In one embodiment, the wall body further comprises a fixing piece, and the fixing piece fixes the keel frame and the sound absorption layer on the wall body.

In one embodiment, a dustproof layer is further arranged between the keel frame and the porous plate.

In one embodiment, the perforated plate has a perforation rate of 20% to 40%.

The technical scheme in the embodiment at least has the following beneficial effects.

The noise reduction wall body comprises a wall body, a sound absorption layer, a keel framework and a porous plate. The keel frame will the sound absorbing layer compress tightly in the surface of wall body, the perforated plate install in on the keel frame, a plurality of through-holes have been seted up on the perforated plate. Noise in the workshop is absorbed by the sound absorbing layer behind the through-hole on the perforated plate on the one hand, and the noise that the wall body produced because of reasons such as vibration is absorbed by the sound absorbing layer on the other hand, has effectively reduced the noise pollution in the workshop.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a noise reduction wall according to an embodiment of the present invention;

fig. 2 is a structural diagram of a perforated plate of a noise reduction wall according to an embodiment of the present invention.

Description of reference numerals:

100-wall body

200-sound absorbing layer

300-keel frame

310-transverse keel

320-longitudinal Keel

330-containing frame

400-perforated plate

410-through hole

500-dust protection layer

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. The following description of the embodiments is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

In the description of the present invention, it is to be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

The technical solution of the present invention will be explained in more detail with reference to fig. 1 and 2.

Referring to fig. 1, an embodiment of the present invention provides a noise reduction wall, including a wall body 100, a sound absorption layer 200, a keel frame 300, and a porous plate 400. The wall body 100 may be a concrete structure or a structure such as a slurry or brick wall. The keel frame 300 compresses the sound absorption layer 200 on the surface of the wall body 100, and the sound absorption layer 200 may be formed by a plurality of blocks which are sequentially abutted against and closely attached to the surface of the wall body 100. The perforated plate 400 is installed on the keel frame 300, and a plurality of through holes 410 are formed in the perforated plate 400. The noise reduction wall body has the advantages that on one hand, noise in a workshop is absorbed by the sound absorption layer 200 after passing through the through holes 410 in the porous plate 400, and on the other hand, noise generated by the wall body 100 due to vibration and the like is absorbed by the sound absorption layer 200, so that noise pollution in the workshop is effectively reduced. The design is not only suitable for the design of the wall surface, but also suitable for the reconstruction design of complex wall bodies such as ceilings and the like.

Optionally, the sound absorption layer 200 is made of centrifugal glass wool. The centrifugal glass wool is a filamentous material prepared by fiberizing and spraying thermosetting resin on glass in a molten state by a centrifugal blowing process. The fibers in the centrifugal glass wool are fluffy and staggered, a large number of tiny pores exist, the sound absorption characteristic is good, sound energy in a room can be absorbed in a large number, the reverberation time is shortened, and indoor noise is reduced.

Optionally, the sound absorbing layer 200 has a thickness of 50mm to 100 mm. In this example, a 60mm thick layer of spun glass sound absorbing fiberboard (density 48kg/m3) was used as the sound absorbing layer 200.

Further, the surface of the sound absorption layer 200 is wrapped by flame-retardant non-woven fabric. The sound absorbing layer 200 is wrapped around the flame-retardant non-woven fabric. The flame-retardant non-woven fabric can be a terylene flame-retardant non-woven fabric, the main component of the flame-retardant non-woven fabric is terylene, the flame-retardant mechanism is mainly that a flame retardant is added, and the flame retardant is added into polyester to achieve the purpose of flame retardance by improving the ignition point of the material or hindering the combustion of the material, so that the fire safety of the material is improved.

With continued reference to figure 1, in one embodiment, the keel frame 300 includes a plurality of spaced apart transverse keels 310 and a plurality of spaced apart longitudinal keels 320. The plurality of transverse keels 310 and the plurality of longitudinal keels 320 are arranged in an intersecting manner to form a plurality of receiving frames 330.

Optionally, the distance between two adjacent transverse keels 310 is 300mm-800mm, and the distance between two adjacent longitudinal keels 320 is 300mm-800 mm. The transverse keels 310 and the longitudinal keels 320 are made of C-shaped light steel, and the size of the light steel is 50mm multiplied by 22 mm. The keel frame 300 may be a continuous steel member. The transverse keel 310 is vertically clamped with the vertical keel 320. The keel frame 300 is connected with the porous plate 400 through a connecting piece. Of course, the perforated plate 400 may be engaged with the keel frame 300.

Further, the noise reduction wall body further comprises a fireproof cloth bag, the fireproof cloth bag is filled in the containing frame 330, and the fireproof cloth bag plays roles in sound insulation and fire prevention. The fireproof cloth bag can be a glass fiber cloth bag, particularly a glass fiber needled felt cloth bag, and is a filtering material with good performance. It has the special advantages of low price, higher temperature resistance and the like. The dust filter can filter and obstruct dust, particularly particle dust, and achieves the purposes of fire prevention and dust prevention.

Optionally, the noise reduction wall further includes a fixing member, and the fixing member fixes the keel frame 300 and the sound absorption layer 200 to the wall body 100. The fixing member is a fastening screw, and the keel frame 300 is fixed to the wall body 100 through the fastening screw.

With continued reference to fig. 1, in one embodiment, the noise reduction wall further includes a dust layer 500. The thickness of the dust protective layer 500 may be 0.5mm to 1 mm. The dust-proof layer 500 is disposed between the keel frame 300 and the porous plate 400. Optionally, the fire-proof layer 500 is a flame-retardant dust-proof filter cloth for dust and fire prevention. The flame-retardant and dustproof filter cloth is selected according to factors such as the temperature, the humidity and the chemical characteristics of gas, the size, the weight and the shape of particles, the dust concentration filtering speed, the ash removal mode, the discharge concentration, the working system of the bag type dust collector and the like.

Referring to fig. 1 and 2, in one embodiment, the perforated plate 400 has a perforation rate of 20% to 40%. Optionally, the porous plate 400 is an aluminum plate, the perforation rate is 28%, the thickness is 1mm-3mm, and the aperture of the through hole 410 is 5 mm. The through hole 410 may be circular, oval, polygonal, prismatic, or the like. The through holes 410 are in a rectangular array.

The working principle is as follows: when using, will sound absorbing layer 200 hugs closely on the surface of wall body 100, keel frame 300 passes through fastening screw to be fixed on wall body 100, install fire prevention sack filler material in keel frame 300's frame after that, then fix dust proof layer 500 and perforated plate 400 on keel frame 300, accomplish the installation of device, perforated plate 400 can prevent that the wall body from damaging, and dust proof layer 500 has dustproof effect, and fire prevention sack has fire-retardant effect, and the puigging has gives sound insulation and noise absorption's effect.

Above-mentioned wall body of making an uproar falls, noise sound level contrast around improving as follows, and it only is wall body 100 to indicate before reforming transform, and after reforming transform, it is after setting up sound absorbing layer 200, fossil fragments skeleton 300 and porous plate 400 and dust barrier 500 to indicate:

from the above table, the noise level of the polishing workshop is reduced by 6dB-8dB (A) through the arrangement of the noise reduction wall surface.

The utility model discloses produce following technological effect:

(1) through sound absorption, fire prevention and dust prevention design among layers, the vibration of wall structure layers is reduced, and the low-frequency vibration of the wall surface is improved;

(2) meanwhile, the sound absorption, fire prevention, dust prevention and easy cleaning are realized;

(3) the existing concrete wall can be upgraded and reformed.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a wall body of making an uproar falls, its characterized in that includes the wall body, inhales sound layer, fossil fragments skeleton and perforated plate, fossil fragments skeleton will inhale the sound layer compress tightly in the surface of wall body, the perforated plate install in on the fossil fragments skeleton, a plurality of through-holes have been seted up on the perforated plate.

2. A noise-reducing wall body according to claim 1, wherein the sound-absorbing layer is made of centrifugal glass wool.

3. A noise-reducing wall according to claim 2, wherein the sound-absorbing layer has a thickness of 50mm to 100 mm.

4. The noise-reducing wall body according to claim 1, wherein the surface of the sound-absorbing layer is wrapped by flame-retardant non-woven fabric.

5. The noise-reducing wall body according to claim 1, wherein the keel frame comprises a plurality of spaced transverse keels and a plurality of spaced longitudinal keels, and the plurality of transverse keels and the plurality of longitudinal keels are arranged in a crossed manner to form a plurality of accommodating frames.

6. The noise reduction wall body of claim 5, wherein the distance between every two adjacent transverse keels is 300-800 mm, and the distance between every two adjacent longitudinal keels is 300-800 mm.

7. The noise reduction wall according to claim 5, further comprising a fire-proof cloth bag filled in the accommodating frame.

8. The noise-reducing wall body according to claim 1, further comprising a fixing member, wherein the fixing member fixes the keel frame and the sound-absorbing layer to the wall body.

9. The noise-reducing wall body according to claim 1, further comprising a dust-proof layer, wherein the dust-proof layer is arranged between the keel frame and the porous plate.

10. The noise-reducing wall according to claim 1, wherein the perforated plate has a perforation rate of 20% to 40%.

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