CN212899020U

CN212899020U - Axial flow exhaust fan for iron and steel production

Info

Publication number: CN212899020U
Application number: CN202021596510.7U
Authority: CN
Inventors: 杜勇; 陈志忠; 牛会来
Original assignee: Hebei New Wuan Iron And Steel Group Wen'an Iron And Steel Co ltd
Current assignee: Hebei Wen'an Iron And Steel Group Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-04-06
Anticipated expiration: 2030-08-05

Abstract

This utility model relates to the field of axial flow fan technology and discloses an axial flow exhaust fan for steel production. It includes a housing, fan rings on both sides of the housing, a handle on the top of the housing, a wiring port on the outer side of the housing near the handle, supports at the four corners of the lower part of the housing, a base plate below the supports, a sound insulation layer around the inner wall of the housing, and a motor mount on the lower part of the inner side of the housing. By incorporating grooves and a filter screen within the fan rings, impurities are easily filtered during exhaust. The filter screen can be pulled out of the groove using the filter screen handle for easy cleaning. The sound insulation layer inside the housing and the sound-absorbing plate outside the motor reduce noise generated during motor operation, facilitating operation.

Description

Axial-flow type smoke exhaust fan for steel production

Technical Field

The utility model relates to an axial-flow fan technical field specifically is an axial-flow type smoke exhaust fan for steel production.

Background

With the continuous development of the steel industry, the manufacturing process is gradually improved, a large amount of combustion gas and dust can be generated in the steel production and smelting process, so that an axial-flow type smoke exhaust fan is needed for ventilation, the axial-flow type smoke exhaust fan has a very wide application range, the airflow of the axial-flow type smoke exhaust fan and the axial direction of fan blades are in the same direction, the axial-flow type smoke exhaust fan is also called a local fan, and the axial-flow type smoke exhaust fan is a fan commonly used by industrial and mining enterprises.

At present, some axial-flow type smoke exhaust fans do not have a filtering device, particles and dust can be attached to fan blades in the smoke exhaust and ventilation process, and the fan can generate noise in the rotation process to influence the physical and mental health of workers, so that the technical personnel in the field provide an axial-flow type smoke exhaust fan for steel production to solve the problems in the background technology.

Disclosure of Invention

An object of the utility model is to provide an axial-flow type smoke exhaust fan is used in steel production to solve the problem that proposes among the above-mentioned background art.

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

the utility model provides an axial-flow type smoke exhaust fan for steel production, includes the casing, the both sides of casing all are provided with the fan ring, the top of casing is provided with the handle, the below that the outside of casing is close to the handle is provided with the wiring mouth, the four corners of casing below all is provided with the support, the below of support is provided with the bottom plate, the inner wall round of casing is provided with the puigging, the inside below of casing is provided with the motor cabinet, be provided with the motor on the motor cabinet.

As a further aspect of the present invention: all be provided with the recess in the fan ring, be provided with the filter screen on the recess, the top of filter screen is provided with the filter screen handle.

As a further aspect of the present invention: the motor cabinet is characterized in that a damping plate is arranged at the joint of the motor cabinet and the motor and is positioned inside the motor cabinet.

As a further aspect of the present invention: be provided with the abatvoix on the motor cabinet near the motor outside, the rear that is close to the motor on the abatvoix is provided with the louvre.

As a further aspect of the present invention: the front end of the motor is provided with a motor shaft, and the motor shaft penetrates through the sound absorption plate.

As a further aspect of the present invention: the motor shaft is provided with a hub, and four fan blades are arranged in a circle of the hub.

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

1. through setting up the recess in the fan intra-annular, the inside of recess sets up the filter screen, is convenient for filter impurity at the in-process of discharging fume, pulls out the filter screen from the recess through the filter screen handle of pulling fan ring top, and the staff of being convenient for can be timely wash adnexed dust and granule on the filter screen, avoids influencing the effect that the fan discharged fume.

2. Through setting up the puigging in the inside of casing, set up the abatvoix in the motor outside, can reduce the noise that the motor produced in rotating to set up the shock attenuation board below the motor, reduced the vibrations that the motor produced, through the cooperation of shock attenuation board and abatvoix, puigging, can effectually avoid the production of noise, guarantee staff's physical and mental health.

Drawings

FIG. 1 is a schematic structural view of an axial flow type smoke exhaust fan for steel production;

FIG. 2 is a front view of an axial flow type smoke exhaust fan for steel production;

FIG. 3 is a side sectional view of an axial flow type smoke exhaust fan for steel production.

In the figure: 1. a housing; 2. a support; 3. a base plate; 4. a fan ring; 5. a groove; 6. a filter screen handle; 7. a handle; 8. a wiring port; 9. a filter screen; 10. a hub; 11. a fan blade; 12. a motor shaft; 13. a sound insulating layer; 14. a sound-absorbing panel; 15. a motor base; 16. a motor; 17. heat dissipation holes; 18. a shock absorbing plate.

Detailed Description

Please refer to fig. 1-3, in the embodiment of the utility model, an axial-flow type smoke exhaust fan is used in steel production, including casing 1, casing 1's both sides all are provided with fan ring 4, casing 1's top is provided with handle 7, be convenient for drive the fan and remove, casing 1's the outside is close to handle 7's below and is provided with wiring mouth 8, be convenient for connect circuit and inside motor 16, the four corners of casing 1 below all is provided with support 2, support 2's below is provided with bottom plate 3, casing 1's inner wall round is provided with puigging 13, the noise that produces when being convenient for motor 16 rotates is kept apart, casing 1's inside below is provided with motor cabinet 15, be provided with motor 16 on the motor cabinet 15, be convenient for drive fan blade 11 through motor 16.

In fig. 1 and 3: all be provided with recess 5 in the fan ring 4, be provided with filter screen 9 on the recess 5, the top of filter screen 9 is provided with filter screen handle 6, is convenient for spur filter screen handle 6 and pulls out filter screen 9, then washs filter screen 9.

In fig. 3: the connection of motor cabinet 15 and motor 16 is provided with damper plate 18, and damper plate 18 is located inside motor cabinet 15, is convenient for reduce the vibrations that motor 16 produced in the rotation, is also convenient for weaken the noise.

In fig. 3: a sound-absorbing board 14 is arranged on the motor base 15 and close to the outer side of the motor 16, and a heat-radiating hole 17 is arranged on the sound-absorbing board 14 and close to the rear side of the motor 16, so that the motor 16 can radiate heat conveniently.

In fig. 3: the motor 16 is provided with a motor shaft 12 at the front end thereof, and the motor shaft 12 penetrates the sound-absorbing plate 14.

In fig. 2 and 3: a hub 10 is arranged on a motor shaft 12, and four fan blades 11 are arranged in a circle of the hub 10, so that a motor 16 can drive the motor shaft 12 to rotate to drive the fan blades 11 to rotate for ventilation.

The utility model discloses a theory of operation is: when the device is used, firstly, an electric wire penetrates from a wiring port 8 to be connected with an internal motor 16, then a switch is turned on, the motor 16 drives a motor shaft 12 to rotate, so as to drive a front fan blade 11 to rotate for smoke discharge, a groove 5 is arranged in a fan ring 4, a filter screen 9 is arranged in the groove 5, so that impurities can be conveniently filtered in the smoke discharge process, the filter screen 9 is pulled out from the groove 5 by pulling a filter screen handle 6 above the fan ring 4, so that workers can timely clean dust and particles attached to the filter screen 9, the smoke discharge effect of the fan is prevented from being influenced, a sound insulation layer 13 is arranged in a shell 1, a sound absorption plate 14 is arranged outside the motor 16, the noise generated in the rotation of the motor 16 can be reduced, a shock absorption plate 18 is arranged below the motor 16, the shock generated by the motor 16 is reduced, and the generation of the noise can be effectively avoided, the physical and psychological health of workers is guaranteed.

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. An axial-flow smoke exhaust fan for iron and steel production, comprising a casing (1), characterized in that both sides of the casing (1) are provided with fan rings (4), and the casing (1) A handle (7) is arranged above the casing (1), a wiring port (8) is arranged on the outer side of the casing (1) close to the lower part of the handle (7), and four corners below the casing (1) are provided with brackets (2), a bottom plate (3) is arranged below the bracket (2), a sound insulation layer (13) is arranged around the inner wall of the casing (1), and a sound insulation layer (13) is arranged below the inside of the casing (1). A motor seat (15) is provided with a motor (16) on the motor seat (15).

2. An axial-flow smoke exhaust fan for steel production according to claim 1, characterized in that, grooves (5) are provided in the fan ring (4), and grooves (5) are provided on the grooves (5). A filter screen (9) is provided, and a filter screen handle (6) is provided above the filter screen (9).

3. An axial-flow smoke exhaust fan for steel production according to claim 1, characterized in that a shock-absorbing plate (18) is provided at the connection between the motor base (15) and the motor (16), so that The shock-absorbing plate (18) is located inside the motor base (15).

4. An axial-flow smoke exhaust fan for iron and steel production according to claim 1, characterized in that, a sound-absorbing board (14) is provided on the motor base (15) near the outer side of the motor (16), and the sound-absorbing board (14) is provided on the motor base (15). Heat dissipation holes (17) are provided on the plate (14) near the rear of the motor (16).

The axial-flow smoke exhaust fan for iron and steel production according to claim 4, characterized in that a motor shaft (12) is provided at the front end of the motor (16), and the motor shaft (12) penetrates the sound absorption plate (14).

6 . The axial-flow smoke exhaust fan for steel production according to claim 5 , wherein the motor shaft ( 12 ) is provided with a wheel hub ( 10 ), and one circle of the wheel hub ( 10 ) is provided with a wheel hub ( 10 ). There are four blades (11).