CN215595885U

CN215595885U - Noise reduction type Roots blower

Info

Publication number: CN215595885U
Application number: CN202121888598.4U
Authority: CN
Inventors: 孙永忠
Original assignee: Yangzhou Fangzhou Environmental Protection Equipment Co ltd
Current assignee: Yangzhou Fangzhou Environmental Protection Equipment Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-21
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a noise reduction type Roots blower, and belongs to the technical field of blowers. Including the roots fan main part, the external fixation of roots fan main part has the housing, the side of roots fan main part is connected with the air outlet, the air outlet is connected with exhaust pipe, exhaust pipe passes the lateral wall of housing and extends the outside, the air intake has been seted up to a lateral wall of housing, the outside of air intake is equipped with syllable-dividing inner panel and syllable-dividing planking in proper order, the side at the housing is all fixed with syllable-dividing inner panel and syllable-dividing planking to syllable-dividing inner panel, the through-hole has all been seted up on the surface of syllable-dividing inner panel and syllable-dividing planking, the through-hole on syllable-dividing inner panel surface sets up with the through-hole on syllable-dividing planking surface is crisscross, the inner wall fixedly connected with draught fan of housing, another lateral wall of housing is equipped with the heat dissipation shutter. The shell is additionally arranged outside the Roots blower to achieve the sound insulation effect, and meanwhile, the sound insulation plates are arranged on the side faces of the shell, and the through holes are formed in the surfaces of the sound insulation plates in a staggered mode, so that the heat dissipation performance of the Roots blower is not influenced, and the Roots blower is good in heat dissipation performance and low in noise.

Description

Noise reduction type Roots blower

Technical Field

The utility model relates to the technical field of fans, in particular to a noise reduction type Roots fan.

Background

The Roots blower is widely used, widely applied to various fields such as petrifaction, building materials, electric power, smelting, chemical fertilizers, mines, ports, light textiles, food, papermaking, aquaculture, sewage treatment, environmental protection industry and the like, and is mostly used for conveying air and conveying combustible, explosive and corrosive gases such as coal gas, hydrogen, acetylene, carbon dioxide and the like.

When the Roots blower works and operates, high-strength noise is transmitted from the air inlet and the air outlet of the blower, the shell, the pipeline and the like, and when the noise is too high, the working environment of the blower is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a noise reduction type Roots blower.

The utility model is realized by the following technical scheme:

the utility model provides a type of making an uproar roots fan falls, includes roots fan main part, roots fan main part's external fixation has the housing, roots fan main part's side is connected with the air outlet, the air outlet is connected with exhaust pipe, exhaust pipe passes the lateral wall of housing and extends the outside, the air intake has been seted up to a lateral wall of housing, the outside of air intake is equipped with syllable-dividing inner panel and syllable-dividing planking in proper order, syllable-dividing inner panel and syllable-dividing planking are all fixed in the side of housing, the through-hole has all been seted up on the surface of syllable-dividing inner panel and syllable-dividing planking, the through-dividing inner panel surperficial through-hole with the crisscross setting of the surperficial through-hole of syllable-dividing planking, the inner wall fixedly connected with draught fan of housing, another lateral wall of housing is equipped with heat dissipation shutter.

And the outer side of the heat dissipation shutter is provided with a sound insulation board which is fixed on the side surface of the housing.

The lowest position of the sound insulation board is positioned above the exhaust duct.

And the interior of the housing is also attached with an acoustic board.

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

the shell is additionally arranged outside the Roots blower to achieve the sound insulation effect, and meanwhile, the sound insulation plates are arranged on the side faces of the shell, and the through holes are formed in the surfaces of the sound insulation plates in a staggered mode, so that the heat dissipation performance of the Roots blower is not influenced, and the Roots blower is good in heat dissipation performance and low in noise.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure: 1. a Roots blower main body; 2. an air outlet; 3. an exhaust duct; 4. a housing; 5. an induced draft fan; 6. an air inlet; 7. a sound insulation inner plate; 8. a sound insulation outer plate; 9. a through hole; 10. a heat dissipation louver; 11. a sound insulating board; 12. an acoustic panel.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

as shown in the attached figure 1 of the specification, the noise reduction type roots blower comprises a roots blower body 1, a housing 4 is fixed outside the Roots blower main body 1, the side surface of the Roots blower main body 1 is connected with an air outlet 2, the air outlet 2 is connected with an exhaust duct 3, the exhaust duct 3 passes through the side wall of the housing 4 and extends to the outside, an air inlet 6 is arranged on one side wall of the housing 4, a sound insulation inner plate 7 and a sound insulation outer plate 8 are sequentially arranged on the outer side of the air inlet 6, the sound insulation inner plate 7 and the sound insulation outer plate 8 are both fixed on the side surface of the housing 4, the surfaces of the sound insulation inner plate 7 and the sound insulation outer plate 8 are both provided with through holes 9, the through holes 9 on the surface of the sound insulation inner plate 7 and the through holes 9 on the surface of the sound insulation outer plate 8 are arranged in a staggered way, the inner wall fixedly connected with draught fan 5 of housing 4, another lateral wall of housing 4 is equipped with heat dissipation shutter 10.

And a sound insulation board 11 is arranged on the outer side of the heat dissipation shutter 10, and the sound insulation board 11 is fixed on the side surface of the housing 4.

The lowest position of the baffle 11 is located above the exhaust duct 3.

The interior of the housing 4 is also fitted with an acoustic panel 12.

Example 1

The utility model provides a type of making an uproar roots fan falls, including roots fan main part 1, roots fan main part 1's external fixation has housing 4, roots fan main part 1's side is connected with air outlet 2, air outlet 2 is connected with exhaust pipe 3, exhaust pipe 3 passes housing 4's lateral wall and extends the outside, air intake 6 has been seted up to housing 4's a lateral wall, air intake 6's the outside is equipped with syllable-dividing inner panel 7 in proper order and gives sound insulation planking 8, syllable-dividing inner panel 7 and syllable-dividing planking 8 all fix the side at housing 4, syllable-dividing inner panel 7 and syllable-dividing planking 8's surface has all seted up through-hole 9, syllable-dividing inner panel 7 surperficial through-hole 9 sets up with the through-hole 9 on syllable-dividing planking 8 surface, housing 4's inner wall fixedly connected with draught fan 5, another lateral wall of housing 4 is equipped with heat dissipation shutter 10.

In this embodiment, the through-hole 9 on the 7 surfaces of sound insulation inner panel and the through-hole 9 on the 8 surfaces of sound insulation planking crisscross setting, the through-hole of crisscross setting can increase the syllable-dividing effect of two acoustic celotex boards, does not influence the ventilation effect simultaneously, and draught fan 5 plays the effect of induced air, and cold wind gets into the air intake from the through-hole after, plays the effect of cooling to the roots's fan main part, hot-blast 10 discharges from heat dissipation shutter.

Example 2

The outside of the heat dissipation louver 10 is provided with a sound insulation board 11, the sound insulation board 11 is fixed on the side surface of the housing 4, and the lowest position of the sound insulation board 11 is positioned above the exhaust duct 3. Not only plays the effect of making an uproar that falls in giving sound insulation, does not influence the exhaust of exhaust duct 3 simultaneously.

The interior of the housing 4 is also attached with a sound-absorbing plate 12 for further absorbing noise generated when the Roots blower main body works.

In summary, the present invention is only a preferred embodiment, and not intended to limit the scope of the utility model, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the present invention described in the claims should be included in the scope of the present invention.

Claims

1. The utility model provides a type of making an uproar roots fan falls which characterized in that: the improved Roots blower comprises a Roots blower main body (1), a housing (4) is fixed outside the Roots blower main body (1), an air outlet (2) is connected to the side face of the Roots blower main body (1), the air outlet (2) is connected with an exhaust pipeline (3), the exhaust pipeline (3) penetrates through the side wall of the housing (4) and extends to the outside, an air inlet (6) is formed in one side wall of the housing (4), a sound insulation inner plate (7) and a sound insulation outer plate (8) are sequentially arranged on the outer side of the air inlet (6), the sound insulation inner plate (7) and the sound insulation outer plate (8) are both fixed to the side face of the housing (4), through holes (9) are formed in the surfaces of the sound insulation inner plate (7) and the sound insulation outer plate (8), the through holes (9) in the surface of the sound insulation inner plate (7) and the through holes (9) in the surface of the sound insulation outer plate (8) are arranged in a staggered mode, and a draught fan (5) is fixedly connected to the inner wall of the housing (4), and the other side wall of the housing (4) is provided with a heat dissipation shutter (10).

2. The noise-reducing roots blower of claim 1, wherein: and a sound insulation board (11) is arranged on the outer side of the heat dissipation shutter (10), and the sound insulation board (11) is fixed on the side surface of the housing (4).

3. The noise-reducing roots blower of claim 2, wherein: the lowest position of the sound insulation board (11) is positioned above the exhaust duct (3).

4. The noise-reducing roots blower of claim 1, wherein: and the interior of the housing (4) is also attached with a sound absorption plate (12).