CN214945072U

CN214945072U - Waste gas absorption tower centrifugal fan

Info

Publication number: CN214945072U
Application number: CN202121095566.9U
Authority: CN
Inventors: 刘立勇; 张建欢; 郑天祥
Original assignee: Yancheng Yanhai Solid Waste Material Disposal Co ltd
Current assignee: Yancheng Yanhai Solid Waste Material Disposal Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-11-30
Anticipated expiration: 2031-05-21

Abstract

The utility model relates to a centrifugal fan technical field discloses a waste gas absorption tower centrifugal fan, including the installing support, the installing support top is provided with casing body, casing body opposite side is provided with driving motor, the inside turbofan subassembly that is provided with of casing body. The utility model discloses not only through the first whirlpool dish that sets up, the second whirlpool dish, the third whirlpool dish, and at the inside fixed connection's of whirlpool a plurality of vortex pieces, but make this turbofan subassembly form double-deck turbofan structure, improve the efficiency of this turbofan subassembly to the disturbance of air current, improve the inside intake efficiency of casing body, improve work efficiency, and through the sponge of making an uproar that falls that sets up at casing body inner wall, can make the air current when casing body inner wall flows, reduce the frictional force with the casing body inner wall, reduce the wind noise, and fall the sponge of making an uproar through setting up and be the sponge material of making an uproar, can carry out and absorb the noise that air current and high-speed pivoted turbofan subassembly produced, improve this centrifugal fan moving silence nature.

Description

Waste gas absorption tower centrifugal fan

Technical Field

The utility model relates to a centrifugal fan technical field specifically is a waste gas absorption tower centrifugal fan.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.

The scroll pan of traditional centrifugal fan all comprises single-deck turbofan and scroll pan usually, and the air supply effect is relatively poor, and because the scroll pan rotates at a high speed in casing body inside, the air current contacts with casing inside and the scroll pan, and the noise is great. Accordingly, one skilled in the art provides a centrifugal fan for an exhaust gas absorption tower to solve the above problems of the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waste gas absorption tower centrifugal fan to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a waste gas absorption tower centrifugal fan, includes the installing support, the installing support top is provided with casing body, the casing body top is provided with the installation end, the air intake has been seted up to casing body one side, the casing body opposite side is provided with driving motor, the driving motor bottom is through bolt fixedly connected with mounting panel, the mounting panel bottom with installing support top fixed connection, the inside turbofan subassembly that is provided with of casing body.

As a further aspect of the present invention: the vortex fan assembly is characterized in that a first vortex disc, a second vortex disc and a third vortex disc are arranged inside the vortex fan assembly, the first vortex disc, the second vortex disc and the third vortex disc are arranged at equal intervals, and a two-layer vortex disc structure can be formed inside the vortex fan assembly through the arranged first vortex disc, the second vortex disc and the third vortex disc, so that the air flow can be pushed conveniently, and the vortex pushing efficiency of the vortex fan assembly is improved.

As a further aspect of the present invention: the first vortex disc and the second vortex disc and the third vortex disc are fixedly connected with a plurality of vortex sheets, the first vortex disc, the second vortex disc and the third vortex disc are fixedly connected with a disc seat at the inner center, the bottoms of the vortex sheets are fixedly connected with the periphery of the disc seat, the effect of a vortex fan assembly on stirring of air flow in the shell body can be improved through the arranged plurality of vortex sheets, and the air inlet efficiency in the shell body is improved.

As a further aspect of the present invention: the inside fixedly connected with pivot of dish seat, pivot one end with casing body one side center end through connection, the pivot other end pass through the nut with dish seat one side bolted connection, can drive motor's drive power transmission to the pivot inside through the pivot, drive turbofan subassembly's rotation.

As a further aspect of the present invention: the pivot periphery with the bearing has been cup jointed to casing body's junction, the bearing periphery with casing body inside center end joint, the mount pad has been cup jointed to bearing periphery one side, mount pad one side with casing body inner wall one side fixed connection through the bearing that sets up, reduces the frictional force of pivot periphery and casing body junction, improves pivot pivoted flexibility ratio and moving stationarity, through the mount pad that sets up, makes things convenient for the installation of bearing, improves the convenience of installation.

As a further aspect of the present invention: the top and the bottom of casing body inner wall all are fixed to bond and fall the sponge of making an uproar, fall the sponge of making an uproar and be the sponge material, through fall the sponge of making an uproar that sets up at the casing body inner wall, can make the air current when the casing body inner wall flows, reduce the frictional force with the casing body inner wall, reduce the wind and make an uproar to and fall the sponge of making an uproar through setting up and be the sponge material, can carry out and absorb the noise that air current and high-speed pivoted turbofan component produced, improve this centrifugal fan moving silence nature.

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

1. through the arrangement of the first scroll disk, the second scroll disk, the third scroll disk and the plurality of scroll sheets fixedly connected in the scroll disks, the turbofan assembly can form a double-layer turbofan structure, the disturbance efficiency of the turbofan assembly on air flow is improved, the air inlet efficiency in the shell body is improved, and the working efficiency is improved;

2. through the sponge of making an uproar that falls that sets up at casing body inner wall, can make the air current when casing body inner wall flows, reduce the frictional force with the casing body inner wall, reduce the wind and make an uproar to and fall the sponge material of making an uproar through setting up, can carry out and absorb the noise that air current and high-speed pivoted turbofan subassembly produced, improve this centrifugal fan moving silence nature.

Drawings

FIG. 1 is a schematic view of an overall structure of a centrifugal fan of an exhaust gas absorption tower;

FIG. 2 is a schematic structural view of a turbofan assembly in a centrifugal fan of an exhaust gas absorption tower;

FIG. 3 is a schematic view of a structure of a volute blade in a centrifugal fan of an exhaust gas absorption tower;

fig. 4 is a schematic view of an internal cross-sectional structure of a casing body in a centrifugal fan of an exhaust gas absorption tower.

In the figure: 1. mounting a bracket; 2. a housing body; 3. an installation end; 4. an air inlet; 5. a drive motor; 6. mounting a plate; 7. a turbofan assembly; 8. a first scroll pan; 9. a second scroll pan; 10. a third scroll pan; 11. a vortex sheet; 12. a tray seat; 13. a rotating shaft; 14. a bearing; 15. a mounting seat; 16. noise reduction sponge.

Detailed Description

Please refer to fig. 1-4, in the embodiment of the utility model, an exhaust gas absorption tower centrifugal fan, including installing support 1, 1 top of installing support is provided with

casing body

2, and 2 tops of casing body are provided with installation end 3, and air intake 4 has been seted up to casing body 2 one side, and 2 opposite sides of casing body are provided with driving motor 5, and driving motor 5 bottom is through bolt fixedly connected with mounting panel 6, and mounting panel 6 bottom and 1 top fixed connection of installing support, the inside turbofan subassembly 7 that is provided with of casing body 2.

In fig. 2 and 3: a first scroll disk 8, a second scroll disk 9 and a third scroll disk 10 are arranged in the scroll fan assembly 7, the first scroll disk 8, the second scroll disk 9 and the third scroll disk 10 are arranged at equal intervals, and a two-layer scroll disk structure can be formed in the scroll fan assembly 7 through the arranged first scroll disk 8, the second scroll disk 9 and the third scroll disk 10, so that the air flow can be conveniently pushed, and the efficiency of the scroll fan assembly 7 for pushing the vortex flow is improved; all fixedly connected with a plurality of vortex sheets 11 between first whirlpool dish 8 and the second whirlpool dish 9 and between second whirlpool dish 9 and the third whirlpool dish 10, first whirlpool dish 8, second whirlpool dish 9 and the inside central point fixedly connected with dish seat 12 of third whirlpool dish 10, a plurality of vortex sheets 11 bottoms all with dish seat 12 periphery fixed connection, through a plurality of vortex sheets 11 that set up, can improve the effect that turbofan subassembly 7 stirs the inside air current of casing body 2, improve the inside air intake efficiency of casing body 2.

In fig. 4: a rotating shaft 13 is fixedly connected inside the disk seat 12, one end of the rotating shaft 13 is connected with the center end of one side of the machine shell body 2 in a penetrating way, the other end of the rotating shaft 13 is connected with a bolt at one side of the disk seat 12 through a nut, and the driving force of the driving motor 5 can be transmitted to the inside of the rotating shaft 13 through the rotating shaft 13 to drive the turbofan component 7 to rotate; bearing 14 has been cup jointed with casing body 2's junction to pivot 13 periphery, bearing 14 periphery and casing body 2 inside central point hold joint, mount pad 15 has been cup jointed to bearing 14 periphery one side, mount pad 15 one side and casing body 2 inner wall one side fixed connection, through the bearing 14 that sets up, reduce the frictional force of pivot 13 periphery and casing body 2 junction, improve pivot 13 pivoted flexibility ratio and moving stationarity, through the mount pad 15 that sets up, make things convenient for the installation of bearing 14, improve the convenience of installation.

In fig. 4: the top and the bottom of 2 inner walls of casing body all are fixed with the sponge 16 of making an uproar that falls, the sponge 16 of making an uproar is the sponge material of making an uproar, through the sponge 16 of making an uproar that falls that sets up at 2 inner walls of casing body, can make the air current when 2 inner walls of casing body flow, reduce the frictional force with 2 inner walls of casing body, reduce the wind and make an uproar, and the sponge 16 of making an uproar that falls through setting up is the sponge material, can carry out and absorb the noise that air current and high-speed pivoted turbofan subassembly 7 produced, improve this centrifugal fan moving silence nature.

The utility model discloses a theory of operation is: when the double-layer turbofan jet engine works, firstly, the motor 5 is driven to rotate to drive the rotating shaft 13 to rotate, then the turbofan component 7 is driven to rotate, airflow enters the interior of the casing body 2 through the air inlet 4 on one side of the casing body 2, along with the rotation of the turbofan component 7, the scroll 11 between the first scroll 8 and the second scroll 9 rotates, and the scroll 11 between the second scroll 9 and the third scroll 10 rotates, so that the double-layer turbofan rotates simultaneously, the efficiency of the disturbance of the turbofan component 7 on the airflow is improved, the air inlet efficiency in the casing body 2 is improved, the working efficiency is improved, the airflow in the casing body 2 is discharged through the mounting end 3 through the rotation of the turbofan component 7, the air supply in the absorption tower is realized, at the moment, the noise reduction sponge 16 arranged on the inner wall of the casing body 2 can reduce the friction force with the inner wall of the casing body 2 when the airflow flows on the inner wall of the casing body 2, reduce wind and make an uproar to and fall sponge 16 of making an uproar through the setting and be the sponge material, can carry out and absorb the noise that air current and high-speed pivoted turbofan subassembly 7 produced, improve this centrifugal fan moving silence nature, bearing 14 reduces the frictional force of pivot 13 periphery and casing body 2 junction, improves pivot 13 pivoted flexibility ratio and moving stationarity, mount pad 15 makes things convenient for the installation of bearing 14, improves the convenience of installation.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a waste gas absorption tower centrifugal fan, includes installing support (1), its characterized in that, installing support (1) top is provided with casing body (2), casing body (2) top is provided with installation end (3), air intake (4) have been seted up to casing body (2) one side, casing body (2) opposite side is provided with driving motor (5), bolt fixedly connected with mounting panel (6) is passed through to driving motor (5) bottom, mounting panel (6) bottom with installing support (1) top fixed connection, casing body (2) inside is provided with turbofan subassembly (7).

2. An exhaust gas absorption tower centrifugal fan according to claim 1, wherein a first scroll (8), a second scroll (9) and a third scroll (10) are provided inside the scroll assembly (7), and the first scroll (8), the second scroll (9) and the third scroll (10) are provided at equal intervals.

3. An exhaust gas absorption tower centrifugal fan according to claim 2, wherein a plurality of scroll plates (11) are fixedly connected between the first scroll (8) and the second scroll (9) and between the second scroll (9) and the third scroll (10), a disk seat (12) is fixedly connected to the center end of the inside of the first scroll (8), the second scroll (9) and the third scroll (10), and the bottoms of the plurality of scroll plates (11) are fixedly connected to the periphery of the disk seat (12).

4. The centrifugal fan for the waste gas absorption tower as recited in claim 3, wherein a rotating shaft (13) is fixedly connected inside the disk seat (12), one end of the rotating shaft (13) is connected with a central end of one side of the casing body (2) in a penetrating manner, and the other end of the rotating shaft (13) is connected with a bolt on one side of the disk seat (12) through a nut.

5. The centrifugal fan of the waste gas absorption tower as claimed in claim 4, wherein a bearing (14) is sleeved at the joint of the periphery of the rotating shaft (13) and the casing body (2), the periphery of the bearing (14) is clamped with the central end inside the casing body (2), a mounting seat (15) is sleeved on one side of the periphery of the bearing (14), and one side of the mounting seat (15) is fixedly connected with one side of the inner wall of the casing body (2).

6. The centrifugal fan of the waste gas absorption tower as claimed in claim 1, wherein noise reduction sponge (16) is fixedly bonded to the top and the bottom of the inner wall of the casing body (2), and the noise reduction sponge (16) is made of sponge material.