CN214788131U

CN214788131U - Energy-saving noise-reducing suspension fan for cement production

Info

Publication number: CN214788131U
Application number: CN202120970583.6U
Authority: CN
Inventors: 马建军; 黎奉武; 黄先立; 李志兵; 喻亚明; 周庆; 陈亮
Original assignee: Sinoma Pingxiang Cement Co Ltd
Current assignee: Sinoma Pingxiang Cement Co Ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-11-19
Anticipated expiration: 2031-05-08

Abstract

The utility model relates to the technical field of suspension fans, and discloses an energy-saving noise-reducing suspension fan for cement production, which solves the problem that the noise generated by the current suspension fan affects the working environment and the health of personnel, and comprises a case, wherein one side in the case is connected with a support seat, the upper end of the support seat is connected with a fan body, and the input end of the fan body is connected with an air suction pipeline, the noise generated by the fan body is firstly absorbed by a first sound-absorbing cotton, because the surface of the first sound-absorbing cotton is provided with a groove, the noise can be reflected under the action of the groove, so that the noise is weakened, then the noise is further absorbed under the action of a second sound-absorbing cotton, then the noise is acted by a wavy sound-insulating cotton in a noise-reducing cavity, a wavy material is filled with fine gaps, a porous structure can absorb a large amount of incident sound wave energy, plays a role in attenuating sound waves, thereby make the noise reduce, effectually avoided the noise to produce the influence to environment and personnel.

Description

Energy-saving noise-reducing suspension fan for cement production

Technical Field

The utility model belongs to the technical field of the suspension fan, specifically be an energy-conserving suspension fan for noise reduction cement manufacture.

Background

The air suspension centrifugal blower can be used for replacing a Roots blower in the cement processing process of a cement plant for production links such as dust material conveying, gas conveying, flue gas desulfurization and the like.

The existing suspension fan can generate larger noise in the use process, inevitably interferes the working environment and causes hidden danger to the physical health of workers.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides an energy-conserving suspension fan for cement manufacture of making an uproar that falls, the effectual current suspension fan work of having solved produces the problem that noise influences operational environment and personnel are healthy.

In order to achieve the above object, the utility model provides a following technical scheme: a suspension fan for energy-saving and noise-reducing cement production comprises a case, wherein one side inside the case is connected with a supporting seat, the upper end of the supporting seat is connected with a fan body, the input end of the fan body is connected with an air suction pipeline, the output end of the fan body is connected with an exhaust pipeline, the inside of the case is connected with an inner shell, a noise-reducing cavity is formed between the inner shell and the case, the inside of the noise-reducing cavity is connected with soundproof cotton relative to the inner wall of the case, the inner wall of the inner shell is connected with first sound-absorbing cotton, the surface of the first sound-absorbing cotton is uniformly provided with grooves, sound-absorbing holes are formed between adjacent grooves, the surface of the inner shell is uniformly provided with through holes, the inside of the noise-reducing cavity is connected with a first L-shaped plate relative to the outer wall of the inner shell, the outside of the first L-shaped plate is connected with a second L-shaped plate, the inside of the circuitous cavity is connected with second sound-absorbing cotton relative to the inner walls of the first L-shaped plate and the second L-shaped plate, the inner wall of the circuitous cavity is connected with baffles in a staggered way.

Preferably, the suction pipe and the exhaust pipe one end are all run through and extend to the outside of the machine case, and the machine case and the inner shell are provided with connecting holes corresponding to the penetration positions of the suction pipe and the exhaust pipe.

Preferably, the inner wall of the connecting hole is embedded with a sealing ring, and the air suction pipeline and the air exhaust pipeline are respectively positioned in the corresponding sealing rings.

Preferably, the soundproof cotton is arranged in a wave-shaped structure.

Preferably, the groove is arranged in a house-type structure.

Preferably, the lower end of the case is connected with a mounting plate, and four corners of the upper end of the mounting plate are provided with fixing holes.

Preferably, a detachable side plate is installed at one end of the case, and an observation window is embedded at one end of the side plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses, the noise that the fan body produced is absorbed by first sound cotton at first, because first sound cotton surface of inhaling has the recess, when the noise is transmitted to first sound cotton surface of inhaling, part noise is absorbed, part noise can reflect under the effect of recess, make the noise weaken, then the noise further absorbs the noise under the effect of second sound cotton of inhaling, then the noise receives the effect of wavy soundproof cotton in the noise reduction chamber, wavy material is full of tiny space, porous structure can absorb the sound wave energy of penetrating in a large number, play the attenuation to the sound wave, thereby make the noise reduce, the noise has effectually been avoided the noise to produce the influence to environment and personnel;

(2) this novel setting through first L template and second L template, and form circuitous chamber each other, cooperate the crisscross baffle structure who sets up of circuitous intracavity wall simultaneously, can receive crisscross baffle effect that sets up under in the circuitous intracavity when the noise spreads from interior casing for noise multiple reflection has greatly weakened the noise, has improved noise reduction.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of an installation structure of the inner housing of the present invention;

fig. 3 is a schematic view of the enlarged partial structure of fig. 2 according to the present invention;

in the figure: 1. a chassis; 2. a supporting seat; 3. a fan body; 4. an air intake duct; 5. an exhaust duct; 6. an inner housing; 7. a noise reduction cavity; 8. sound insulation cotton; 9. a first sound absorbing cotton; 10. a groove; 11. a sound absorption hole; 12. a through hole; 13. a first L-shaped plate; 14. a second L-shaped plate; 15. a circuitous cavity; 16. the second sound-absorbing cotton; 17. a baffle plate; 18. mounting a plate; 19. a fixing hole; 20. a side plate; 21. and (4) an observation window.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1, 2 and 3, the utility model comprises a case 1, a support base 2 is connected to one side inside the case 1, a blower body 3 is connected to the upper end of the support base 2, the input end of the blower body 3 is connected with an air suction pipe 4, the output end of the blower body 3 is connected with an air discharge pipe 5, an inner casing 6 is connected inside the case 1, a noise reduction cavity 7 is formed between the inner casing 6 and the case 1, soundproof cotton 8 is connected inside the noise reduction cavity 7 relative to the inner wall of the case 1, first soundproof cotton 9 is connected to the inner wall of the inner casing 6, grooves 10 are uniformly formed on the surface of the first soundproof cotton 9, sound suction holes 11 are formed between adjacent grooves 10, through holes 12 are uniformly formed on the surface of the inner casing 6, a first L-shaped plate 13 is connected inside the noise reduction cavity 7 relative to the outer wall of the inner casing 6, a second L-shaped plate 14 is connected to the outer side of the first L-shaped plate 13, a circuitous cavity 15 is formed between the first L-shaped plate 13 and the second L-shaped plate 14, inside circuitous chamber 15 all is connected with the second and inhales sound cotton 16 for first L template 13 and the 14 inner walls of second L template, and circuitous chamber 15 inner wall cross connection has baffle 17.

Second embodiment, on the basis of first embodiment, the intake duct 4 all runs through to extend to quick-witted case 1 outside with 5 one ends of exhaust duct, and quick-witted case 1 and interior casing 6 correspond

intake duct

4 and 5 through-holes of exhaust duct and have all seted up the connecting hole, are convenient for arrange

intake duct

4 and 5 one ends of exhaust duct of fan body 3 outside quick-witted case 1 in for fan body 3 can put through fast when connecting.

Third embodiment, on the basis of second embodiment, the connecting hole inner wall inlays and is equipped with the sealing washer, and suction line 4 and exhaust duct 5 are located corresponding sealing washer respectively, are convenient for connect suction line 4 and exhaust duct 5 in the connecting hole, reduce wearing and tearing in the effect of sealing washer, can reduce the noise simultaneously and spread.

In the fourth embodiment, on the basis of the first embodiment, the soundproof cotton 8 is arranged in a wavy structure, fine gaps are filled with wavy materials, and the porous structure can absorb a large amount of incident sound wave energy and attenuate sound waves.

Fifth, on the basis of the first embodiment, the groove 10 is in a house-type structure, so that sound waves are absorbed and reflected conveniently, and noise is reduced.

Sixth embodiment, on the basis of the first embodiment, the lower end of the case 1 is connected with the mounting plate 18, and four corners of the upper end of the mounting plate 18 are all provided with the fixing holes 19, so that the device can be mounted at a proper position when in use.

Seventh embodiment, on the basis of first embodiment, detachable curb plate 20 is installed to quick-witted case 1 one end, and 20 one ends of curb plate are inlayed and are equipped with observation window 21, overhaul the maintenance to fan body 3 through detachable curb plate 20 convenience with quick-witted case 1 open, and the inside behavior of quick-witted case 1 can be looked over to observation window 21.

The working principle is as follows: when the fan is used, noise generated by the fan body 3 is located in the inner shell 6 and is firstly absorbed by the first sound absorption cotton 9, because the surface of the first sound absorption cotton 9 is provided with the groove 10, when the noise is transmitted to the surface of the first sound absorption cotton 9, part of the noise is absorbed, and part of the noise can be reflected under the action of the groove 10, so that the noise is weakened, then the noise passes through the through holes 12 on the inner shell 6 and enters the roundabout cavity 15 formed by the first L-shaped plate 13 and the second L-shaped plate 14, the noise is further absorbed under the action of the second sound absorption cotton 16, meanwhile, the noise can be reflected for multiple times under the action of the baffle plates 17 arranged in the roundabout cavity 15 in a staggered mode, so that the noise is further weakened, then the noise is affected by the wavy sound insulation cotton 8 in the noise reduction cavity 7, the wavy material is filled with fine gaps, the porous structure can absorb a large amount of incident sound wave energy and plays a role in attenuating sound waves again, thereby resulting in reduced noise.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an energy-conserving noise reduction cement production is with suspension fan, includes quick-witted case (1), its characterized in that: the fan is characterized in that a supporting seat (2) is connected to one side inside a case (1), a fan body (3) is connected to the upper end of the supporting seat (2), an air suction pipeline (4) is connected to the input end of the fan body (3), an exhaust pipeline (5) is connected to the output end of the fan body (3), an inner casing (6) is connected inside the case (1), a noise reduction cavity (7) is formed between the inner casing (6) and the case (1), soundproof cotton (8) is connected inside the noise reduction cavity (7) relative to the inner wall of the case (1), first sound absorption cotton (9) is connected to the inner wall of the inner casing (6), grooves (10) are uniformly formed in the surface of the first sound absorption cotton (9), sound absorption holes (11) are formed between adjacent grooves (10), through holes (12) are uniformly formed in the surface of the inner casing (6), and a first L-shaped plate (13) is connected inside the noise reduction cavity (7) relative to the outer wall of the inner casing (6), first L template (13) outside is connected with second L template (14), is formed with circuitous chamber (15) between first L template (13) and second L template (14), and circuitous chamber (15) are inside all to be connected with the second for first L template (13) and second L template (14) inner wall and inhale sound cotton (16), and circuitous chamber (15) inner wall cross connection has baffle (17).

2. The energy-saving noise-reducing suspension fan for cement production according to claim 1, characterized in that: suction line (4) and exhaust duct (5) one end all run through and extend to quick-witted case (1) outside, and quick-witted case (1) and interior casing (6) correspond suction line (4) and exhaust duct (5) run through the department and all seted up the connecting hole.

3. The energy-saving noise-reducing suspension fan for cement production according to claim 2, characterized in that: and sealing rings are embedded in the inner walls of the connecting holes, and the air suction pipeline (4) and the air exhaust pipeline (5) are respectively positioned in the corresponding sealing rings.

4. The energy-saving noise-reducing suspension fan for cement production according to claim 1, characterized in that: the soundproof cotton (8) is arranged in a wave-shaped structure.

5. The energy-saving noise-reducing suspension fan for cement production according to claim 1, characterized in that: the groove (10) is arranged in a house-shaped structure.

6. The energy-saving noise-reducing suspension fan for cement production according to claim 1, characterized in that: the lower end of the case (1) is connected with a mounting plate (18), and four corners of the upper end of the mounting plate (18) are provided with fixing holes (19).

7. The energy-saving noise-reducing suspension fan for cement production according to claim 1, characterized in that: a detachable side plate (20) is installed at one end of the case (1), and an observation window (21) is embedded at one end of the side plate (20).