Efficient dust remover fan
By incorporating an air inlet and a volute-shaped casing structure with inclined blades into the dust collector fan, the problem of obstructed airflow is solved, thus improving the dust removal efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG JINGYUAN ENVIRONMENTAL PROTECTION CO LTD
- Filing Date
- 2025-06-12
- Publication Date
- 2026-04-24
AI Technical Summary
The existing dust collector fan has a straight-through vertical plate structure on its side wall, which obstructs airflow and affects the dust removal effect.
Design a high-efficiency dust collector fan with an air inlet on the bottom surface of the casing, upward-sloping impeller blades, and a volute-shaped casing that bends towards the exhaust hood. When the impeller rotates, the blades drive the air towards the exhaust hood, increasing the air velocity.
The improved fan structure increases airflow velocity and enhances the dust collector's dust removal efficiency.
Smart Images

Figure CN224161858U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of dust removal equipment technology, and in particular to a high-efficiency dust collector fan. Background Technology
[0002] A dust collector is a device used to remove particulate matter (such as dust and smoke) from the air. It is widely used in various industrial fields, such as steel metallurgy, cement manufacturing, chemical industry, food and pharmaceutical industry. A dust collector generally includes a filter cartridge, a fan and a dust collection hood. The side wall of the existing dust collector fan is generally a straight vertical plate structure that conveys and exhausts air in a vertical direction. However, if the air outlet of the fan is set on the side according to the installation requirements, this will affect the air flow and reduce the air velocity, thereby affecting the dust removal effect of the dust collector. Therefore, it is necessary to design a new fan structure to solve the above problems. Utility Model Content
[0003] To solve the above-mentioned technical problems, this utility model provides a high-efficiency dust collector fan with an air inlet opening on the bottom surface of the casing and an exhaust hood on the side wall of the casing. The blades on the impeller are inclined upward toward the exhaust opening, and the casing extends and bends toward the exhaust hood in a volute-like structure. When the impeller rotates, the blades on the impeller can drive the air to flow toward the exhaust hood, and the air flows along the side wall of the casing toward the exhaust hood, so that the air input from the air inlet opening is guided to the exhaust hood output, thereby increasing the air velocity and improving the dust removal effect of the dust collector.
[0004] A high-efficiency dust collector fan includes a driver, an impeller, a housing, and an exhaust hood. The bottom surface of the housing has an air inlet opening. The driver is located on the top surface of the housing, and the impeller is housed within the housing and connected to the output end of the driver. The side wall of the housing has an exhaust opening, and the exhaust hood is located at the exhaust opening. The impeller has multiple blades that are inclined upward toward the exhaust opening. The outer side of the housing extends toward the exhaust hood in a volute-like structure.
[0005] Preferably, the outer bottom of the housing is provided with an outwardly extending mounting plate, and the diameter of the air intake opening is larger than the diameter of the impeller.
[0006] Preferably, the driver is a drive motor, the output shaft of the driver extends into the housing, and the output end of the driver is connected to the middle of the impeller.
[0007] Preferably, the exhaust hood is a circular hood, and the diameter of the exhaust hood is larger than the diameter of the exhaust opening.
[0008] Preferably, the exhaust hood is connected to the exhaust opening of the housing cover through a conveyor cover, the conveyor cover is inclined upward from the exhaust opening toward the exhaust hood, and the inclination angle of the top surface of the conveyor cover is greater than the inclination angle of the bottom surface.
[0009] Preferably, the blade has an inclination angle of 20°-30° and the blade has an arc-shaped structure with a concave center.
[0010] The beneficial effects of this utility model are as follows: the high-efficiency dust collector fan, through the cooperation of the driver, impeller, casing and exhaust hood, has an air inlet on the bottom surface of the casing and an exhaust hood on the side wall of the casing. The blades on the impeller are inclined upward toward the exhaust hood, and the casing is bent and extended toward the exhaust hood in a volute-like structure. When the impeller rotates, the blades on the impeller can drive the air to flow toward the exhaust hood, and the air flows along the side wall of the casing toward the exhaust hood, so that the air input from the air inlet is guided to the exhaust hood output, thereby increasing the air velocity and improving the dust removal effect of the dust collector. Attached Figure Description
[0011] Appendix Figure 1 This is a perspective view of the present utility model;
[0012] Appendix Figure 2 This is a top view of the present invention;
[0013] Appendix Figure 3 This is a bottom view of the present invention;
[0014] Appendix Figure 4 This is a schematic diagram of the structure of this utility model.
[0015] In the diagram: 1. Driver, 2. Impeller, 3. Housing, 4. Exhaust hood, 5. Inlet opening, 6. Blade, 7. Mounting plate, 8. Conveyor cover. Detailed Implementation
[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so as to provide a clearer understanding of the technical concept claimed by the present invention.
[0017] like Figures 1 to 4 As shown, a high-efficiency dust collector fan includes a driver 1, an impeller 2, a housing 3, and an exhaust hood 4. The bottom surface of the housing 3 is provided with an air inlet 5. The driver 1 is disposed on the top surface of the housing 3, and the impeller 2 is housed within the housing 3 and connected to the output end of the driver 1. The side wall of the housing 3 is provided with an exhaust opening, and the exhaust hood 4 is disposed at the position of the exhaust opening. The impeller 2 is provided with a plurality of blades 6 that are inclined upward toward the exhaust opening. The outer side of the housing 3 is bent and extended toward the exhaust hood 4 and has a volute-like structure.
[0018] The working principle of the high-efficiency dust collector fan described in this utility model is achieved through the cooperation of the driver 1, impeller 2, casing 3, and exhaust hood 4. Figures 1 to 4 As shown, the bottom surface of the casing 3 is provided with an air inlet 5. Filtered air enters the casing 3 through the air inlet 5. The exhaust hood 4 is provided with an exhaust opening on the side wall of the casing 3. The driver 1 drives the impeller 2 to rotate inside the casing 3. The blades 6 on the impeller 2 are inclined upward towards the exhaust opening. The casing 3 is bent and extended towards the exhaust hood 4 and has a volute-like structure. When the impeller 2 rotates, the blades 6 on the impeller 2 can drive the air to flow towards the exhaust hood 4. The air flows along the side wall of the casing 3 towards the exhaust hood 4, so that the air input from the air inlet 5 is guided to the exhaust hood 4 for output. Compared with traditional dust collector fans, the casing 3 and the blades 6 of the impeller 2 of this high-efficiency dust collector fan work together to guide the air to the exhaust hood 4, thereby increasing the air velocity and improving the dust removal effect of the dust collector.
[0019] Specifically, an outwardly extending mounting plate 7 is provided on the outer bottom of the casing 3; the diameter of the air inlet 5 is larger than the diameter of the impeller 2; the driver 1 is a drive motor; the output shaft of the driver 1 extends into the casing 3; and the output end of the driver 1 is connected to the middle of the impeller 2. Figures 1 to 4 As shown, the mounting plate 7 on the housing cover 3 can be provided with mounting holes so that the operator can install and fix the housing cover 3 by connecting it to the mounting plate 7 with screws. The driver 1 can be an explosion-proof motor to prevent dust from entering the driver 1 during operation. The driver 1 drives the impeller 2 to rotate inside the housing cover 3 and guide the air.
[0020] Furthermore, the exhaust hood 4 is a circular hood, and the diameter of the exhaust hood 4 is larger than the diameter of the exhaust opening. The exhaust hood 4 is connected to the exhaust opening of the housing cover 3 via a conveyor hood 8. The conveyor hood 8 is inclined upwards from the exhaust opening towards the exhaust hood 4, and the inclination angle of the top surface of the conveyor hood 8 is greater than the inclination angle of the bottom surface. Even further, the inclination angle of the blade 6 is 20°-30°, and the blade 6 has an arc-shaped structure with a concave center. Figures 1 to 4 As shown, the diameter of the exhaust hood 4 is larger than the diameter of the exhaust opening. The conveying hood 8 is inclined upward from the exhaust opening toward the exhaust hood 4, and the inclination angle of the top surface of the conveying hood 8 is greater than the inclination angle of the bottom surface, so as to increase the air flow rate discharged from the exhaust hood 4. The impeller 2 is rotatably connected to the bottom surface inside the casing 3. The impeller 2 has a hollow structure and the air inlet 5 on the bottom surface of the impeller 2 is connected. Multiple blades 6 are evenly arranged around the impeller 2. There is a gap between adjacent blades 6 for air to be discharged. The inclination direction of the blades 6 corresponds to the inclination direction of the conveying hood 8, so that when the impeller 2 rotates, the blades 6 drive the air to flow toward the exhaust hood 4, and make the air entering the casing 3 be delivered to the exhaust hood 4 and discharged more quickly.
[0021] The above are merely specific embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A high-efficiency dust collector fan, characterized in that: The device includes a driver, an impeller, a housing, and an exhaust hood. The bottom surface of the housing has an air inlet. The driver is located on the top surface of the housing, and the impeller is housed within the housing and connected to the output end of the driver. The side wall of the housing has an exhaust opening, and the exhaust hood is located at the exhaust opening. The impeller has multiple blades that are inclined upward toward the exhaust opening. The outer side of the housing extends toward the exhaust hood in a volute-like structure.
2. The high-efficiency dust collector fan according to claim 1, characterized in that: The outer bottom of the casing is provided with an outwardly extending mounting plate, and the diameter of the air intake opening is larger than the diameter of the impeller.
3. The high-efficiency dust collector fan according to claim 2, characterized in that: The driver is a drive motor, the output shaft of the driver extends into the housing, and the output end of the driver is connected to the middle of the impeller.
4. The high-efficiency dust collector fan according to claim 3, characterized in that: The exhaust hood is a circular cover, and the diameter of the exhaust hood is larger than the diameter of the exhaust opening.
5. The high-efficiency dust collector fan according to claim 4, characterized in that: The exhaust hood is connected to the exhaust opening of the housing cover through a conveyor cover. The conveyor cover is inclined upward from the exhaust opening toward the exhaust hood, and the inclination angle of the top surface of the conveyor cover is greater than the inclination angle of the bottom surface.
6. A high-efficiency dust collector fan according to claim 5, characterized in that: The blade has an inclination angle of 20°-30° and the blade has an arc-shaped structure with a concave center.