CN215442516U - Factory building wall body noise reduction structure for steel production - Google Patents

Abstract

The utility model relates to a structure of making an uproar falls in factory building wall body for steel production, it includes interior wall and outer wall, has seted up first perforation on the interior wall, and the inner wall is provided with first abatvoix, and the outer wall is fixed and is provided with the second abatvoix, all fixes being provided with first sound absorption cotton on first abatvoix and the second abatvoix, is provided with the interval between first sound absorption cotton and the adjacent first sound absorption cotton, and the second perforation has been seted up to the array on the lateral wall of first abatvoix. The sound wave that the factory building produced in process of production loops through first perforation on the interior wall and the second perforation on the first abatvoix, then irregular continuous reflection between first abatvoix and second abatvoix, partly sound wave is inhaled the sound cotton and is turned into the heat with the energy of sound wave, the in-process of partly sound wave reflection between first abatvoix and second abatvoix is offset each other by the same and opposite sound wave of amplitude of frequency, the sound wave that produces the factory building attenuates, thereby improve factory building wall's noise reduction effect.

Description

Factory building wall body noise reduction structure for steel production

Technical Field

The utility model belongs to the technical field of mill's noise technique and specifically relates to a structure of making an uproar falls in factory building wall body for steel production is related to.

Background

In the production process of steel, equipment can produce the sound wave in the course of working, after the sound wave propagates to human ear, is received by auditory nerve and forms sound, and the frequency of sound wave improves and leads to the uncomfortable human sensation and is called the noise, and the noise not only can influence hearing, but also produces adverse effect to people's cardiovascular system, nervous system, endocrine system.

The invention patent of China with the publication number of CN102440613A discloses a noise reduction system for a cement grinding production line, wherein the production line comprises a grinding room, a ball mill and a conveying corridor, and the grinding room is of a fully-closed structure; the sound absorber is arranged on the inner wall of the grinding room and is of a plate-shaped structure, the sound absorber is supported on the wall of the grinding room through a connecting piece, and a gap is formed between the sound absorber and the wall of the grinding room in a parallel mode.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when more sound waves and higher frequency are generated in the production process of a factory building, the effect of absorbing the sound waves only by the sound absorber arranged on the wall is limited, and the noise reduction effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the noise reduction effect of factory building wall, this application provides a structure of making an uproar falls with factory building wall for steel production.

The application provides a structure of making an uproar falls in factory building wall body for steel production adopts following technical scheme:

the utility model provides a structure of making an uproar falls in factory building wall body for steel production, includes interior wall and outer wall, a plurality of first perforation have been seted up to the array on the lateral wall of interior wall, the fixed first abatvoix that is provided with in one side that interior wall is close to outer wall, the fixed second abatvoix that is provided with in one side that outer wall is close to interior wall, all fixed first sound absorption cotton that is provided with on the lateral wall that first abatvoix and second abatvoix are close to each other, be provided with the interval between first sound absorption cotton and the adjacent first sound absorption cotton, the second perforation with first perforation intercommunication is seted up to the array on the lateral wall of first abatvoix.

Through adopting above-mentioned technical scheme, when the factory building during production sound wave transmission to interior wall on, the sound wave loops through first perforation on the interior wall and the second perforation on the first abatvoix, then irregularly constantly reflect between first abatvoix and second abatvoix, partly sound wave is by being located the cotton energy conversion heat with the sound of inhaling of sound on first abatvoix and the second abatvoix, partly sound wave is offset each other by the same and opposite sound wave of amplitude of frequency at the in-process of reflection between first abatvoix and second abatvoix, the sound wave that produces the factory building attenuates, thereby improve factory building wall's the noise reduction effect.

Optionally, the side walls, close to each other, of the first sound-absorbing board and the second sound-absorbing board are provided with reflection grooves, the reflection grooves are spaced along the length direction of the first sound-absorbing board or the second sound-absorbing board and provided with a plurality of reflection grooves, and the edges of the side walls, close to the two sides of the reflection grooves, of one ends, far away from the bottom wall of the reflection grooves, of the first sound-absorbing board and the second sound-absorbing board are provided with inclined surfaces.

Through adopting above-mentioned technical scheme, enter into between first abatvoix and the second abatvoix when the sound wave, and after the inclined plane contact with first abatvoix and second abatvoix, the reflection inclination of sound wave changes, it is more frequent to make the sound wave reflection frequency between first abatvoix and second abatvoix, the irregularity of sound wave reflection between first abatvoix and second abatvoix has also effectively been ensured, it is more abundant to make the contact between sound wave and the first abatvoix, thereby convert the energy of more sound waves into the first heat of inhaling the sound cotton, further attenuate the sound wave, the noise reduction of factory building wall body is improved.

Optionally, a plurality of third through holes are formed in the side wall of the second sound-absorbing plate, and second sound-absorbing cotton is fixedly arranged between the second sound-absorbing plate and the outer wall.

Through adopting above-mentioned technical scheme, the sound wave of partly reflection between first abatvoix and second abatvoix passes through the third perforation on the second abatvoix and transmits the second between second abatvoix and the outer wall and inhale the sound cotton, and the second is inhaled the energy transformation that the sound cotton will pass the second and inhale the sound cotton sound wave and is inhaled the heat of sound to the second, further attenuates the sound wave, improves factory building wall's noise reduction effect.

Optionally, a first moisture-proof layer is arranged between the outer wall and the second sound-absorbing cotton.

Through adopting above-mentioned technical scheme, after the outer wall wets, the water that permeates from the outer wall can make the second inhale the sound cotton and go mouldy and make the second inhale the sound cotton effect of inhaling reduce, and first dampproof course can effectively prevent the water that the outer wall permeates to inhale the sound cotton infiltration of sound to the second, has effectively ensured the second and has inhaled the sound cotton effect of inhaling, has prolonged the second and has inhaled the cotton life of sound.

Optionally, a third sound-absorbing cotton is arranged between the inner wall and the first sound-absorbing plate.

Through adopting above-mentioned technical scheme, when the first perforation on the sound wave inner wall that the factory building produced in process of production was to the direction transmission of first abatvoix, the energy of partly sound wave was inhaled the sound cotton by the third and is turned into the heat, when the sound wave was from the first perforation of the second perforation on the first abatvoix to the inner wall removal, the third was inhaled the sound cotton and is converted the energy of partly sound wave, will further attenuate through the first fenestrate sound wave of inner wall, improve factory building wall's noise reduction effect.

Optionally, a flame retardant layer is arranged between the third sound-absorbing cotton and the inner wall.

Through adopting above-mentioned technical scheme, when the factory building conflagration breaks out, owing to inhale the cotton isotructure of sound and have inflammable characteristic, fire-retardant layer effectively delays the intensity of a fire and removes to the cotton direction of sound is inhaled to the third to the security has been improved.

Optionally, a second moisture-proof layer is arranged between the flame-retardant layer and the inner wall.

Through adopting above-mentioned technical scheme, after the inner wall wets, the second dampproof course effectively hinders water on the inner wall to the direction removal on fire-retardant layer, has improved the waterproof performance of inner wall, has prolonged the third and has inhaled cotton life of sound.

Optionally, a heat insulation layer is arranged between the outer wall and the first moisture-proof layer.

Through adopting above-mentioned technical scheme, when the outer wall is heated or when receiving cold and take place temperature variation, the insulating layer can effectively prevent the heat of outer wall to the direction transmission of first dampproof course, has effectively improved the heat-proof quality of outer wall.

In summary, the present application includes at least one of the following beneficial technical effects:

1. sound waves generated by the factory building in the production process sequentially pass through the first through holes in the inner wall and the second through holes in the first sound-absorbing plate, then are irregularly and continuously reflected between the first sound-absorbing plate and the second sound-absorbing plate, a part of sound waves are converted into heat by the sound-absorbing cotton, and a part of sound waves are mutually offset by sound waves with the same frequency and opposite amplitudes in the process of being reflected between the first sound-absorbing plate and the second sound-absorbing plate, so that the sound waves generated by the factory building are attenuated, and the noise reduction effect of the factory building wall is improved;

2. when sound waves enter between the first sound-absorbing plate and the second sound-absorbing plate and are in contact with inclined surfaces of the first sound-absorbing plate and the second sound-absorbing plate, the reflection inclination angle of the sound waves is changed, so that the reflection frequency of the sound waves between the first sound-absorbing plate and the second sound-absorbing plate is more frequent, the irregularity of the reflection of the sound waves between the first sound-absorbing plate and the second sound-absorbing plate is effectively guaranteed, the contact between the sound waves and the first sound-absorbing cotton is more sufficient, more energy of the sound waves is converted into heat of the first sound-absorbing cotton, the sound waves are further attenuated, and the noise reduction effect of a factory building wall is improved;

3. the sound wave that partly reflects between first abatvoix and second abatvoix passes through the third perforation on the second abatvoix and transmits the second between second abatvoix and the outer wall and inhale the sound cotton, and the second is inhaled the energy transformation that the sound cotton will pass the second and inhale the sound cotton heat, further attenuates the sound wave, improves factory building wall's noise reduction.

Drawings

FIG. 1 is a schematic view of the overall structure of a noise reduction structure of a factory building wall for steel production according to an embodiment of the present application.

FIG. 2 is a side view of the noise reduction structure of the wall of the steel production plant of FIG. 1 according to the embodiment of the present application.

Fig. 3 is a schematic view of the overall structure of the first sound-absorbing panel and the second sound-absorbing panel according to the embodiment of the present application.

Description of reference numerals: 1. an inner wall; 11. a first perforation; 2. an outer wall; 3. a first sound-absorbing panel; 4. a second sound-absorbing panel; 5. a first sound absorbing cotton; 6. a second perforation; 7. a third perforation; 8. the second sound-absorbing cotton; 9. a first moisture barrier; 10. third sound-absorbing cotton; 12. a flame retardant layer; 13. a second moisture barrier; 14. a thermal insulation layer; 15. a reflective trough; 16. an inclined surface.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses structure of making an uproar falls in factory building wall for steel production. Referring to fig. 1, fig. 2, fig. 3, steel production is with factory building wall body structure of making an uproar that falls includes outer wall 2 and interior wall 1, a plurality of first perforation 11 have been seted up to the array on the lateral wall of interior wall 1, one side fixed mounting that interior wall 1 is close to outer wall 2 has first abatvoix 3, one side fixed mounting that outer wall 2 is close to interior wall 1 has second abatvoix 4, equal fixed mounting has first acoustic wool 5 on the lateral wall that first abatvoix 3 and second acoustic wool 4 are close to each other, be provided with the interval between first acoustic wool 5 and the adjacent first acoustic wool 5, the array is seted up the second perforation 6 with first perforation 11 intercommunication on the lateral wall of first abatvoix 3. When sound waves generated in the production process of the factory building pass through the first through holes 11 of the inner wall 1 and the second through holes 6 of the first sound-absorbing plate 3 in sequence, are irregularly reflected between the first sound-absorbing plate 3 and the second sound-absorbing plate 4, and are absorbed by the first sound-absorbing cotton 5.

The first sound-absorbing plate 3 and the second sound-absorbing plate 4 can be made of cold-rolled galvanized plates, aluminum alloy plates and concrete plates, and in the embodiment, the cold-rolled galvanized plates are adopted, and the cold-rolled galvanized plates are plated with a layer of zinc on the surface of a steel plate, so that the steel plate is effectively prevented from being corroded to rust, and the service life of the steel plate is prolonged.

Referring to fig. 2 and 3, in order to further attenuate the sound waves, a plurality of third through holes 7 are formed in the side wall of the second sound-absorbing plate 4, and a second sound-absorbing cotton 8 is bonded to the side wall of the second sound-absorbing plate 4 close to the outer wall 2. The sound wave that partly reflects between first abatvoix 3 and second abatvoix 4 passes through third perforation 7 on second abatvoix 4 and transmits the second between second abatvoix 4 and the outer wall 2 and inhales cotton 8 of sound, and the second inhales the cotton 8 and will pass the second and inhale the energy transformation of the sound wave of cotton 8 of sound and inhale the heat that the cotton 8 was inhaled to the second, further attenuates the sound wave, improves factory building wall's noise reduction effect.

Referring to fig. 1, 2 and 3, third sound absorbing cotton 10 is bonded to a side wall of the first sound absorbing panel 3 adjacent to the inner wall 1. When the first through holes 11 on the sound wave inner wall 1 generated in the production process of the factory building are transmitted to the first sound-absorbing plate 3, a part of energy of the sound wave is converted into heat by the third sound-absorbing cotton 10, and when the sound wave moves from the second through holes 6 on the first sound-absorbing plate 3 to the first through holes 11 on the inner wall 1, the third sound-absorbing cotton 10 converts the part of energy of the sound wave, so that the sound wave passing through the first through holes 11 on the inner wall 1 is further attenuated, and the noise reduction effect of the factory building wall is improved.

First inhale sound cotton 5, second inhale sound cotton 8 and third inhale sound cotton 10 can adopt sponge, glass fiber to inhale sound cotton and polyester fiber and inhale the sound cotton, and in this embodiment, first inhale sound cotton 5, second inhale sound cotton 8 and third and inhale sound cotton 10 and all adopt polyester fiber to inhale sound cotton fiber, and polyester fiber inhales sound cotton fiber and has good fire resistance and heat insulating ability and outstanding sound absorption, and is better to the absorption effect of sound wave.

Referring to fig. 3, the side walls of the first sound-absorbing plate 3 and the second sound-absorbing plate 4, which are close to each other, are provided with a plurality of reflecting grooves 15, the reflecting grooves 15 are spaced along the length direction of the first sound-absorbing plate 3 or the second sound-absorbing plate 4, and the edges of the side walls of the first sound-absorbing plate 3 and the second sound-absorbing plate 4, which are far away from one end of the bottom wall of the reflecting groove 15 and close to the two sides of the reflecting groove 15, are provided with inclined surfaces 16. When the sound wave enters into between first abatvoix 3 and the second abatvoix 4 to after contacting with inclined plane 16 of first abatvoix 3 and second abatvoix 4, the reflection inclination of sound wave changes, it is more frequent to make the sound wave reflection frequency between first abatvoix 3 and second abatvoix 4, the irregularity of sound wave reflection between first abatvoix 3 and second abatvoix 4 has also effectively been ensured, it is more abundant to make the contact between sound wave and first abatvoix 5, thereby convert the energy of more sound waves into the heat of first abatvoix 5, further attenuate the sound wave, the effect of making an uproar of factory building wall body is reduced.

In other embodiments, the reflecting grooves 15 may be provided in a plurality at intervals in the height direction of the first sound-absorbing panel 3 and the second sound-absorbing panel 4.

Referring to fig. 2, including wall 1 and being close to one side of outer wall 2 and installing fire-retardant layer 12, fire-retardant layer 12 can adopt fire retardant coating, fire-retardant plastics, fire-retardant chemical fiber, fire-retardant rubber and fire-retardant asbestos board, in this embodiment, fire-retardant layer 12 adopts fire-retardant asbestos board, when the factory building conflagration breaks out, owing to inhale sound cotton isotructure and have flammable characteristic, in case contact flame will burn and can further enlarge the intensity of a fire, fire-retardant layer 12 effectively delays the intensity of a fire and removes to the direction of sound cotton 10 of third sound absorption, thereby the flame retardant ability of interior wall 1 has been improved, whole security has been improved.

Referring to fig. 2, inhale the sound cotton 8 and be close to one side of outer wall 2 at the second and install first dampproof course 9, after outer wall 2 wets, the water of following outer wall 2 infiltration can make the second inhale sound cotton 8 moldy make the second inhale the sound effect of inhaling sound cotton 8 and reduce, first dampproof course 9 can effectively prevent outer wall 2 infiltration's water to the second inhale sound cotton 8 and permeate, has effectively ensured the second and has inhaled the sound effect of inhaling sound cotton 8, has prolonged the second and has inhaled the life of sound cotton 8.

Referring to fig. 2, a second moisture-proof layer 13 is installed on one side of the flame-retardant layer 12 close to the third sound-absorbing cotton 10, and after the inner wall 1 is wetted, the second moisture-proof layer 13 effectively prevents water on the inner wall 1 from moving towards the flame-retardant layer 12, so that the waterproof performance of the inner wall 1 is improved, and the service life of the third sound-absorbing cotton 10 is prolonged.

First dampproof course 9 and second dampproof course 13 can adopt waterproof ventilated membrane, waterproofing membrane or dampproofing coating, and in this embodiment, first dampproof course 9 and second dampproof course 13 all adopt waterproofing membrane, are one kind can be rain-proof, infiltration and fracture-resistant flexible material.

Referring to fig. 2, a thermal insulation layer 14 is installed between the outer wall 2 and the first moisture-proof layer 9, the thermal insulation layer 14 may be an aluminum foil thermal insulation coiled material, a glass fiber wool board, a polyurethane foam board or an aerogel felt, in this embodiment, the thermal insulation layer 14 is an aluminum foil thermal insulation coiled material, and the aluminum foil thermal insulation coiled material can reflect most of heat of the outer wall 2, so that the thermal insulation effect is excellent. When the outer wall 2 is heated or cooled to generate temperature change, the heat insulating layer 14 can effectively prevent the heat of the outer wall 2 from being transferred to the first moisture-proof layer 9, and effectively improves the heat insulating performance of the outer wall 2.

The implementation principle of the noise reduction structure of the factory building wall for steel production in the embodiment of the application is as follows: when the sound wave that the factory building produced in process of production transmitted on interior wall 1, the sound wave loops through first perforation 11 on interior wall 1 and the second perforation 6 on the first abatvoix 3, then random continuous reflection between first abatvoix 3 and second abatvoix 4, partly sound wave is by being located the cotton with the energy conversion heat of sound wave of inhaling on first abatvoix 3 and the second abatvoix 4, partly sound wave is offset each other by the sound wave that the frequency is the same and the opposite amplitude in-process of reflection between first abatvoix 3 and second abatvoix 4, thereby attenuate the sound wave that the factory building produced, thereby improve the noise reduction effect of factory building wall.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a structure of making an uproar falls in factory building wall body for steel production which characterized in that: including interior wall (1) and outer wall (2), a plurality of first perforation (11) have been seted up in the array on the lateral wall of interior wall (1), one side that interior wall (1) is close to outer wall (2) is fixed and is provided with first abatvoix (3), one side that outer wall (2) is close to interior wall (1) is fixed and is provided with second abatvoix (4), all fixed first abatvoix (5) that are provided with on the lateral wall that first abatvoix (3) and second abatvoix (4) are close to each other, first inhale and be provided with the interval between sound cotton (5) and the adjacent first sound cotton (5), second perforation (6) with first perforation (11) intercommunication are seted up in the array on the lateral wall of first abatvoix (3).

2. The noise reduction structure for a plant wall for steel production according to claim 1, characterized in that: reflection groove (15) have all been seted up on the lateral wall that first abatvoix (3) and second abatvoix (4) are close to each other, reflection groove (15) are equipped with a plurality ofly along the length direction interval of first abatvoix (3) or second abatvoix (4), the edge of the lateral wall of the one end of the diapire of reflection groove (15) and the both sides that are close to reflection groove (15) is kept away from in first abatvoix (3) and second abatvoix (4) all is provided with inclined plane (16).

3. The noise reduction structure for a plant wall for steel production according to claim 1, characterized in that: a plurality of third through holes (7) are formed in the side wall of the second sound-absorbing plate (4), and second sound-absorbing cotton (8) is fixedly arranged between the second sound-absorbing plate (4) and the outer wall (2).

4. The noise reduction structure for a plant wall for steel production according to claim 1, characterized in that: a first moisture-proof layer (9) is arranged between the outer wall (2) and the second sound-absorbing cotton (8).

5. The noise reduction structure for a plant wall for steel production according to claim 1, characterized in that: and a third sound-absorbing cotton (10) is arranged between the inner wall (1) and the first sound-absorbing plate (3).

6. The noise reduction structure for a plant wall for steel production according to claim 5, characterized in that: and a flame-retardant layer (12) is arranged between the third sound-absorbing cotton (10) and the inner wall (1).

7. The noise reduction structure for a plant wall for steel production according to claim 6, characterized in that: and a second moisture-proof layer (13) is arranged between the flame-retardant layer (12) and the inner wall (1).

8. The noise reduction structure for a plant wall for steel production according to claim 4, characterized in that: and a heat insulation layer (14) is arranged between the outer wall (2) and the first moisture-proof layer (9).

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