CN218934854U

CN218934854U - Energy-saving industrial centrifugal ventilator

Info

Publication number: CN218934854U
Application number: CN202222431463.6U
Authority: CN
Inventors: 殷国栋; 贾普
Original assignee: Jiangsu Hulian General Machinery Co ltd
Current assignee: Jiangsu Hulian General Machinery Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-04-28
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses an energy-saving industrial centrifugal ventilator, which comprises a volute, an impeller and a dustproof component, wherein the impeller is arranged in the volute, the impeller rotates to enable the interior of the volute to be in a negative pressure state, air enters the volute through a bent pipe, the dustproof component is communicated with the volute, the dustproof component comprises a cleaning mechanism, a power mechanism and a filtering mechanism, the power mechanism is in transmission connection with the cleaning mechanism, the cleaning mechanism is used for removing impurities on the surface of the filtering mechanism, the air flow drives a fan blade of the power mechanism to rotate, the metal filter screen blocks dust from entering the volute, a brush strip cleans the metal filter screen, the smoothness of the metal filter screen is ensured, the ventilator is always in a high-efficiency running state, the air supply quantity is improved, and the energy consumption is reduced.

Description

Energy-saving industrial centrifugal ventilator

Technical Field

The utility model relates to the technical field of fans, in particular to an energy-saving industrial centrifugal fan.

Background

In recent years, as the requirement on the performance of the fan is continuously improved, the flow of the fan is also continuously increased, the specific rotation speed of the fan is also increased, so that the actual operation efficiency of the centrifugal fan is lower, most of the fans are optimally designed according to the structure of the fan blades, the operation efficiency of the centrifugal fan is further improved, and the consumption of electric quantity is reduced, but because the working environment of the fan is different, when the fan runs at a high speed, a large amount of dust is pumped into the shell, the dust is attached to the fan blades and the inner wall of the shell, if the cleaning is not timely, the performance of the fan is influenced, the operation efficiency of the fan is reduced, noise is generated, and some fans are provided with simple dust-proof nets, but the problem of blockage is caused along with the dust accumulation of the dust-proof nets, so that the air flows unsmoothly, and the operation efficiency is also disturbed.

Accordingly, the present utility model has been made in view of the above circumstances, and an object of the present utility model is to provide an energy-saving industrial centrifugal fan which has a more practical value.

Disclosure of Invention

The utility model aims to provide an energy-saving industrial centrifugal ventilator so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an energy-conserving industry centrifugal fan, includes spiral case, impeller and dustproof subassembly, and the spiral case seals the processing, ensures the condition that the air leakage can not appear, the impeller is installed inside the spiral case, dustproof subassembly and spiral case intercommunication, dustproof subassembly includes clean mechanism and power unit and filter mechanism, power unit is connected with clean mechanism transmission, clean mechanism is used for cleaing away the impurity on filter mechanism surface.

Further, dustproof subassembly includes return bend and air inlet fill, and the return bend is 90 degrees and buckles for the pipe is down, and return bend and air inlet fill fixed connection, and the air inlet fill is the toper setting, the return bend tip is equipped with the connection pad, the connection pad surface is equipped with the access panel, access panel and spiral case fixed connection, the round hole is all established on connection pad and access panel surface, ensures that gas is unobstructed.

Further, the filtering mechanism comprises a limiting ring and a metal filter screen arranged on the upper surface of the limiting ring, the limiting ring is fixedly connected to the upper portion of the inner wall of the air inlet hopper, the metal filter screen is clamped by the limiting ring and the bent pipe, and the metal filter screen is ensured not to loosen.

Further, the power mechanism comprises a support and a bearing fixed in the middle of the support, a driving shaft is arranged on the inner ring of the bearing, penetrates through the bearing and extends out, fan blades are arranged at the lower end of the driving shaft, and the fan blades can be driven to rotate when air flows.

Further, the cleaning mechanism comprises a mounting disc and a brush strip fixed on the upper surface of the mounting disc, the brush strip is in contact with the metal filter screen, dust on the metal filter screen can be cleaned, an anti-falling plate fixedly connected with the mounting disc is sleeved on the surface of the brush strip, the mounting disc is fixedly connected with the driving shaft, and the anti-falling plate is fixedly connected with the mounting disc through a screw.

Further, the upper surface of the spiral case is provided with an exhaust pipe, the surface of the spiral case is provided with a motor in transmission connection with the impeller, the surface of the motor is provided with a fixing frame, and the fixing frame is fixedly connected with a shell of the motor.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the impeller is controlled to rotate through the motor hole, so that the inside of the volute is in a negative pressure state, when air enters the volute through the bent pipe, the air flows to drive the fan blades of the power mechanism to rotate, the fan blades drive the brush strips of the cleaning mechanism to rotate through the driving shaft, the brush strips clean the metal filter screen of the filtering mechanism, dust is prevented from adhering to the metal filter screen, the smoothness of the metal filter screen is ensured, the metal filter screen prevents the dust from entering the volute, dust is prevented from adhering to the inner wall of the volute and the impeller, the ventilator is always in a high-efficiency running state, the air quantity is improved, and the energy consumption is reduced.

Drawings

FIG. 1 is a schematic view of the connection of a volute and impeller of the present utility model;

FIG. 2 is a schematic diagram of the connection between the scroll casing and the exhaust duct;

FIG. 3 is a schematic view of the structure of the connection of the air inlet hopper and the fan blades;

fig. 4 is a schematic structural view of the connection between the brush bar and the anti-drop plate according to the present utility model.

In the figure: 1. a fixing frame; 2. a motor; 3. a volute; 4. an impeller; 5. an access panel; 6. a connecting disc; 7. bending the pipe; 8. an air inlet scoop; 9. a fan blade; 10. an exhaust pipe; 11. a bracket; 12. a bearing; 13. a metal filter screen; 14. a limiting ring; 15. a drive shaft; 16. a mounting plate; 17. brushing strips; 18. and an anti-falling plate.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the energy-saving industrial centrifugal ventilator comprises a volute 3, an impeller 4 and a dustproof component, wherein the impeller 4 is arranged inside the volute 3, the dustproof component is communicated with the volute 3, and the dustproof component has the functions of blocking dust and automatically cleaning the dust;

the dustproof assembly comprises a cleaning mechanism, a power mechanism and a filtering mechanism, wherein the power mechanism is in transmission connection with the cleaning mechanism, and the cleaning mechanism is used for removing impurities on the surface of the filtering mechanism, maintaining the inside of the ventilator clean and avoiding dust accumulation;

the dustproof assembly comprises an elbow 7 and an air inlet hopper 8, the elbow 7 is fixedly connected with the air inlet hopper 8, the air inlet hopper 8 is beneficial to air entering the elbow 7, the air enters the volute 3 through the elbow 7, a connecting disc 6 is arranged at the end part of the elbow 7, an overhaul plate 5 is arranged on the surface of the connecting disc 6, the overhaul plate 5 is fixedly connected with the volute 3, the volute 3 and the impeller 4 can be maintained after the overhaul plate 5 is disassembled, and the service life of the ventilator is prolonged;

the filtering mechanism comprises a limiting ring 14 and a metal filter screen 13 arranged on the upper surface of the limiting ring 14, wherein the limiting ring 14 is fixedly connected to the upper part of the inner wall of the air inlet hopper 8, and the limiting ring 14 shields the metal filter screen 13 to prevent the metal filter screen 13 from moving;

the power mechanism comprises a bracket 11 and a bearing 12 fixed in the middle of the bracket 11, a driving shaft 15 is arranged in the inner ring of the bearing 12, the bearing 12 supports the driving shaft 15 and ensures that the driving shaft 15 can rotate, and fan blades 9 are arranged at the lower end of the driving shaft 15.

The cleaning mechanism comprises a mounting plate 16 and a brush bar 17 fixed on the upper surface of the mounting plate 16, wherein an anti-falling plate 18 fixedly connected with the mounting plate 16 is sleeved on the surface of the brush bar 17, the anti-falling plate 18 is matched with the mounting plate 16 to fix the brush bar 17, the mounting plate 16 is fixedly connected with a driving shaft 15, and synchronously rotates with the driving shaft 15;

the upper surface of the volute 3 is provided with an exhaust pipe 10 for exhausting air extracted by the ventilator, the surface of the volute 3 is provided with a motor 2 in transmission connection with an impeller 4, the motor 2 drives the impeller 4 to rotate, and the surface of the motor 2 is provided with a fixing frame 1 for conveniently fixing the ventilator.

Specifically, during the use, motor 2 drives impeller 4 high-speed rotation for spiral case 3 is in negative pressure state, outside air gets into return bend 7 and spiral case 3 through air inlet scoop 8, metal filter screen 13 filters the air, avoid the dust to adhere to in impeller 4 and spiral case 3, reduce impeller 4 pivoted noise and keep impeller 4 in efficient running state, drive flabellum 9 rotation when the air flows, flabellum 9 passes through drive shaft 15 and drives mounting disc 16 rotation, mounting disc 16 control brush 17 rotates, the dust on the brush 17 clearance metal filter screen 13 avoids metal filter screen 13 to be stopped up, ensure that the smooth entering spiral case 3 of air, then the air is discharged through exhaust pipe 10.

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

Claims

1. The utility model provides an energy-conserving industry centrifugal fan, includes spiral case (3), impeller (4) and dustproof subassembly, its characterized in that: the impeller (4) is arranged inside the volute (3), the dustproof assembly is communicated with the volute (3), the dustproof assembly comprises a cleaning mechanism, a power mechanism and a filtering mechanism, the power mechanism is in transmission connection with the cleaning mechanism, and the cleaning mechanism is used for removing impurities on the surface of the filtering mechanism.

2. An energy-efficient industrial centrifugal fan according to claim 1 wherein: the dustproof assembly comprises an elbow (7) and an air inlet hopper (8), the elbow (7) is fixedly connected with the air inlet hopper (8), a connecting disc (6) is arranged at the end of the elbow (7), an access panel (5) is arranged on the surface of the connecting disc (6), and the access panel (5) is fixedly connected with the volute (3).

3. An energy-efficient industrial centrifugal fan according to claim 2, wherein: the filtering mechanism comprises a limiting ring (14) and a metal filter screen (13) arranged on the upper surface of the limiting ring (14), and the limiting ring (14) is fixedly connected to the upper part of the inner wall of the air inlet hopper (8).

4. An energy-efficient industrial centrifugal fan according to claim 2, wherein: the power mechanism comprises a support (11) and a bearing (12) fixed in the middle of the support (11), a driving shaft (15) is arranged at the inner ring of the bearing (12), and fan blades (9) are arranged at the lower end of the driving shaft (15).

5. An energy efficient industrial centrifugal fan according to claim 4 wherein: the cleaning mechanism comprises a mounting plate (16) and a brush strip (17) fixed on the upper surface of the mounting plate (16), wherein an anti-falling plate (18) fixedly connected with the mounting plate (16) is sleeved on the surface of the brush strip (17), and the mounting plate (16) is fixedly connected with the driving shaft (15).

6. An energy-efficient industrial centrifugal fan according to claim 1 wherein: the spiral case (3) upper surface is equipped with exhaust duct (10), spiral case (3) surface mounting has motor (2) that are connected with impeller (4) transmission, motor (2) surface is equipped with mount (1).