CN213981281U

CN213981281U - Induced draft fan with spray tower and built-in silencer

Info

Publication number: CN213981281U
Application number: CN202022957339.4U
Authority: CN
Inventors: 熊起波; 陈鹏; 彭成强
Original assignee: Dongguan Chengze New Energy Material Co ltd
Current assignee: Dongguan Chengze New Energy Material Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-08-17
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a draught fan with spray column and built-in silencing device, including the draught fan body, the aircraft bonnet fixed mounting of draught fan body is in the whistle box, and the whistle box inner wall sets gradually to inhaling the cotton layer of sound, inhaling sound sheet layer and amortization stratum reticulare from outer to interior, is provided with outer air intake and air outlet on the whistle box, and air outlet is connected with the spray column through pipeline, also is provided with soundproof cotton on the pipeline outer wall. The utility model discloses have the noise pollution in the reduction room, avoid polluted air, cause environmental pollution's beneficial effect.

Description

Induced draft fan with spray tower and built-in silencer

Technical Field

The utility model relates to a draught fan technical field, specific draught fan with spray column and built-in silencing device that says so.

Background

Graphite powder workshop is when producing graphite powder, the inside a large amount of graphite dusts that can exist in workshop, for guaranteeing workshop operational environment, it is outdoor with the room air derivation through the draught fan, but prior art only places the draught fan in the workshop inside, the draught fan is after with the pipe connection, the pipeline stretches out outdoors, thereby it is external with the room air derivation, the draught fan during operation can produce a large amount of noises like this, make workshop internal noise pollution serious, and direct with the indoor air discharge that contains graphite powder, influence external environment that can be very big, cause environmental pollution.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a reduce indoor noise pollution, avoid air pollution, cause environmental pollution's draught fan.

The technical scheme adopted for realizing the purpose is as follows: the utility model provides an draught fan with spray column and built-in silencing device, includes the draught fan body, the draught fan body include the motor and with the impeller that motor power is connected, impeller mounting is inside the aircraft bonnet, be provided with air intake and air outlet on the aircraft bonnet, aircraft bonnet fixed mounting is in the whistle box, the whistle box inner wall sets gradually to inhaling the cotton layer of sound, inhaling sound sheet layer and amortization stratum reticulare from outer to interior, be provided with outer air intake and the wind gap of going out on the whistle box, outer air intake with the air intake is fixed through first interior pipe connection, the wind gap of going out passes through second interior pipe connection with the air outlet, it is connected with the spray column to go out the wind gap through pipeline, be provided with soundproof cotton on the pipeline outer wall.

In one embodiment, the motor is fixedly installed on a support platform, and a plurality of groups of support legs are fixedly connected to the bottom of the support platform.

In one embodiment, a sound-proof cover is fixedly arranged on the support table, and the motor is positioned in the sound-proof cover.

In one embodiment, the spray tower is installed outdoors, and a chimney is fixedly connected to an outlet of the spray tower.

In one embodiment, the sound absorption cotton layer is made of one or more of rock wool, glass wool and polyester fiber.

In one embodiment, the sound-absorbing plate layer adopts one or more of polyester fiber sound-absorbing plates, channel wood sound-absorbing plates, wood wool sound-absorbing plates and cloth soft package sound-absorbing plates.

In one embodiment, the sound attenuating mesh layer comprises a stainless steel sound attenuating mesh layer.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a draught fan sets up in the whistle box through the aircraft bonnet with the draught fan body for can keep apart a large amount of noises that the draught fan body during operation produced, thereby avoid workshop operational environment to have noise pollution, influence operating condition, and further still be connected with the spray column through pipeline of this device, make the draught fan derive the back with the air in the workshop, the accessible spray column purifies the air, thereby avoids the contaminated air, causes environmental pollution.

Drawings

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

fig. 2 is a schematic view of the internal structure of the whistle box of the utility model;

fig. 3 is a schematic structural view of the inner wall of the middle silencing box of the utility model;

fig. 4 is a schematic structural diagram of the outer wall of the middle conveying pipeline of the present invention.

In the figure: 1. a motor; 2. a hood; 3. a sound silencing box; 4. a sound absorbing cotton layer; 5. a sound absorbing sheet layer; 6. a silencing net layer; 7. a first inner conduit; 8. a second inner conduit; 9. a delivery conduit; 10. a spray tower; 11. sound insulation cotton; 12. a support platform; 13. a support leg; 14. a sound-proof housing; 15. a chimney.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, the induced draft fan with a spray tower and a built-in silencer according to the embodiment of the present application includes an induced draft fan body, the induced draft fan body includes a motor 1 and an impeller in power connection with the motor 1, the impeller is installed inside a hood 2, the hood 2 is provided with an air inlet and an air outlet, the hood 2 is fixedly installed inside a silencer 3, the inner wall of the silencer 3 is sequentially provided with a sound absorbing cotton layer 4, a sound absorbing sheet layer 5 and a silencer mesh layer 6 from outside to inside, the silencer 3 is provided with an outer air inlet and an outer air outlet, the outer air inlet is connected with the air inlet through a first inner pipeline 7, the outer air outlet is connected with the air outlet through a second inner pipeline 8, so that when the induced draft fan body works, air can be introduced through the outer air inlet, air is led out through the outer air outlet, and noise generated when the induced draft fan body works can be reduced through the silencer 3, purify workshop operational environment to the air outlet in this device is connected with spray column 10 through pipeline 9, purifies the workshop air of extraction through spray column 10, avoids direct air that will contain the graphite powder to derive, and the polluted environment also is provided with soundproof cotton 11 on the pipeline 9 outer wall in addition, reduces the workshop noise.

In some of these embodiments, motor 1 fixed mounting is on a platform 12, and a plurality of groups of stabilizer blades 13 are fixedly connected with bottom of platform 12, and the device of being convenient for like this places, and still fixed mounting has sound-proof housing 14 on a platform 12 moreover, and motor 1 is located sound-proof housing 14 to also give sound insulation to motor 1, guarantee workshop internal environment.

In some embodiments, the spray tower 10 is installed outdoors, and the outlet of the spray tower 10 is fixedly connected with a chimney 15, and the purified air is guided out through the chimney 15.

In some of the embodiments, the sound-absorbing cotton layer 4 is made of one or more of rock wool, glass wool and polyester fiber, because the polyester fiber sound-absorbing cotton has a good sound-absorbing effect on medium and high frequencies and a poor absorption on low-frequency sounds, while the gradient sound-absorbing cotton in the sound-absorbing cotton made of polyester fiber has good sound-absorbing effect on low-frequency, medium-frequency and high-frequency sounds and high sound-absorbing efficiency, and therefore, the polyester fiber gradient sound-absorbing cotton is preferably selected.

In some embodiments, the sound-absorbing sheet layer 5 is one or more of polyester fiber sound-absorbing sheet, channel wood sound-absorbing sheet, wood wool sound-absorbing sheet, and soft cloth-covered sound-absorbing sheet, preferably polyester fiber sound-absorbing sheet.

In some of these embodiments, the sound-deadening mesh layer 6 is made of stainless steel.

The induced draft fan of the embodiment of the application has the following working principle: draught fan body work, it is leading-in through outer air intake with the inside air that contains the graphite powder in workshop, export to pipeline 9 in through the air outlet, inside pipeline 9 with the leading-in spray column 10 of air, purify the air through spray column 10, later discharge through chimney 15.

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

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims

1. The utility model provides an draught fan with spray column and built-in silencing device, includes the draught fan body, the draught fan body include motor (1) and with the impeller of motor (1) power connection, the impeller mounting is inside aircraft bonnet (2), be provided with air intake and air outlet on aircraft bonnet (2), its characterized in that, aircraft bonnet (2) fixed mounting is in whistle box (3), whistle box (3) inner wall sets gradually from outer to interior and inhales cotton layer (4), inhales sound sheet layer (5) and amortization stratum reticulare (6), whistle box (3) are last to be provided with outer air intake and go out the wind gap, outer air intake with the air intake is connected through first interior pipeline (7) admittedly, go out the wind gap and be connected through second interior pipeline (8) with the air outlet, it is connected with spray column (10) through pipeline (9) to go out, and soundproof cotton (11) is arranged on the outer wall of the conveying pipeline (9).

2. The induced draft fan with the spray tower and the built-in silencer according to claim 1, wherein the motor (1) is fixedly installed on a supporting platform (12), and a plurality of groups of supporting legs (13) are fixedly connected to the bottom of the supporting platform (12).

3. The induced draft fan with the spray tower and the built-in silencer according to claim 2, wherein a sound-proof cover (14) is fixedly installed on the support (12), and the motor (1) is located in the sound-proof cover (14).

4. The induced draft fan with the spray tower and the built-in silencer according to claim 1, wherein the spray tower (10) is installed outdoors, and a chimney (15) is fixedly connected to an outlet of the spray tower (10).

5. The induced draft fan with the spray tower and the built-in silencer according to claim 1, wherein: the sound-absorbing board layer (5) is one or a combination of a polyester fiber sound-absorbing board, a channel wood sound-absorbing board, a wood wool sound-absorbing board and a cloth soft package sound-absorbing board.

6. The induced draft fan with the spray tower and the built-in silencer according to claim 1, wherein: the sound attenuation net layer (6) comprises a stainless steel sound attenuation net layer.