Ash removal device of centrifugal fan

By designing an automated ash removal device, the problem of low impurity cleaning efficiency of existing centrifugal fan impellers has been solved, achieving automated ash removal and improving the efficiency of fan operation.

CN224032848UActive Publication Date: 2026-03-24SAYI ELECTRICAL APPLIANCE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

During the use of existing centrifugal fans, impurities adhere to the impeller and require manual cleaning, which is inefficient and cannot meet the usage requirements.

Method used

A dust removal device was designed, including a conveying unit, a control unit, and a limiting unit. The device removes impurities through automated dust removal components, reducing manual intervention.

Benefits of technology

It improved ash removal efficiency, reduced manual labor time, and increased the efficiency of the fan.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an ash removal device of a centrifugal fan, and belongs to the technical field of fans. The problem that an existing fan is low in manual dust removal efficiency is solved. The dust removal device of the centrifugal fan comprises a fan body with an air inlet, a dust removal assembly connected with the fan body and used for removing dust is arranged at the position, located at the air inlet, of the fan body, and the dust removal assembly comprises a conveying unit connected with the air inlet and used for conveying gas and a control unit arranged on the conveying unit and used for controlling opening and closing of the conveying unit. The peripheral wall of the air inlet is provided with a mounting hole allowing the lower end of the conveying unit to extend in for mounting, and the lower end of the conveying unit is provided with a flow dividing unit which is connected with the conveying unit and has a flow dividing function. The dust removal device has the advantage of high dust removal efficiency.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to fan technical field, a centrifugal fan's ash removal device. BACKGROUND

[0002] Fan is relied on the mechanical energy of import to improve gas pressure and send gas, it is a driven fluid machinery, in the actual use process, because the problem of working environment, the impeller of fan will generally stick impurity, and the cleaning of impurity is generally through manual, therefore its efficiency is relatively low, thereby does not satisfy the use demand. SUMMARY

[0003] The utility model discloses to aim at the above -mentioned problem in prior art, provide a kind of ash removal device of easy cleaning.

[0004] The utility model discloses a kind of ash removal device of centrifugal fan, including the fan main body with air inlet, it is characterized in that, the fan main body is located air inlet and is provided with the ash removal assembly for ash removal connected therewith, the ash removal assembly includes the conveying unit for conveying gas connected with air inlet and the control unit for controlling the opening and closing of its upper and being set with conveying unit, the outer peripheral wall of air inlet is provided with installation hole for the lower end of conveying unit to extend into installation, the lower end of conveying unit is provided with the shunt unit connected therewith and having the shunt function.

[0005] In the ash removal device of centrifugal fan described above, the conveying unit includes conveying pipe connected with air inlet.

[0006] In the ash removal device of centrifugal fan described above, the fan main body is located the outer peripheral wall at conveying pipe and is provided with limiting unit connected therewith and for limiting the position of conveying pipe, the limiting unit includes connecting rod connected with fan main body and snap ring part with split groove connected with connecting rod.

[0007] In the ash removal device of centrifugal fan described above, the control unit includes control valve connected with conveying pipe and having control rod.

[0008] In the ash removal device of centrifugal fan described above, the shunt unit includes shunt pipe with several shunt openings and connecting pipe sleeve for connecting shunt pipe with conveying pipe, the connecting place of conveying pipe and connecting pipe sleeve is provided with connecting unit connected with conveying pipe and facilitating the connection of connecting pipe sleeve and conveying pipe.

[0009] In the ash removal device of centrifugal fan described above, the connecting end of conveying pipe and connecting pipe sleeve is provided with one-way valve connected with conveying pipe, and the connecting pipe sleeve is provided with ejector pin connected therewith and matched with one-way valve.

[0010] In the above-mentioned ash removal device for a centrifugal fan, the connecting unit includes a connecting block that is connected to the conveying pipe and the connecting sleeve. The end face of the connecting sleeve that is in contact with the connecting pipe is provided with a plurality of axially outward protrusions that are embedded in the connecting block. The outer peripheral wall of the connecting block located at the corresponding protrusion is provided with a plurality of locking rods that connect the connecting block and the protrusion.

[0011] In the aforementioned ash removal device for a centrifugal fan, a limiting unit is provided on the inner wall of the air inlet, which is also connected thereto and is used to limit the position of the diversion pipe.

[0012] Compared with existing technologies, the ash removal device of this centrifugal fan improves ash removal efficiency by reducing manual working time through the installation of ash removal components. Attached Figure Description

[0013] Figure 1 This is a cross-sectional structural diagram of the ash removal device of this centrifugal fan.

[0014] In the diagram, 1 is the main body of the fan; 2 is the delivery pipe; 3 is the limit unit; 4 is the control valve; 5 is the diversion pipe; 6 is the connecting sleeve; 7 is the connecting block; 8 is the protrusion; and 9 is the locking rod. Detailed Implementation

[0015] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0016] like Figure 1 As shown, the ash removal device of this centrifugal fan includes a fan body 1 with an air inlet. The fan body 1 is provided with an ash removal component connected to the air inlet for ash removal. The ash removal component includes a conveying unit connected to the air inlet for conveying gas and a control unit provided on the conveying unit for controlling its opening and closing. An installation hole is provided on the outer peripheral wall of the air inlet for the lower end of the conveying unit to be installed. A diversion unit with a diversion function is provided at the lower end of the conveying unit. The conveying unit includes a conveying pipe 2 connected to the air inlet. An installation protrusion can be provided at the air inlet located at the installation hole to facilitate the connection between the conveying pipe 2 and the air inlet.

[0017] In the above-mentioned ash removal device for a centrifugal fan, a limiting unit 3 is provided on the outer peripheral wall of the fan body 1 at the conveying pipe 2 and is connected to it to limit the position of the conveying pipe 2. The limiting unit 3 includes a connecting rod connected to the fan body 1 and a retaining ring with a groove connected to the connecting rod. The conveying pipe 2 is embedded in the retaining ring through the groove.

[0018] In the ash removal device of the centrifugal fan, the control unit comprises a control valve 4 connected with the conveying pipe 2 and provided with a control rod, and the control valve 4 is connectable with the air source device.

[0019] In the ash removal device of the centrifugal fan, the shunt unit comprises a shunt pipe 5 provided with a plurality of shunt openings and a connecting pipe sleeve 6 connecting the shunt pipe 5 with the conveying pipe 2, and the shunt pipe 5 is assembled such that the shunt openings extend into the fan, and different types of air outlet heads can be assembled on the shunt openings. The shunt pipe 5 can also be composed of a main pipe and a plurality of auxiliary pipes, and the auxiliary pipes are connected with the main pipe through the connecting sleeves. The connecting part of the conveying pipe 2 and the connecting pipe sleeve 6 is provided with a connecting unit connected with the conveying pipe 2 and facilitating the connection of the connecting pipe sleeve 6 with the conveying pipe 2.

[0020] In the ash removal device of the centrifugal fan, the connecting part of the conveying pipe 2 and the connecting pipe sleeve 6 is provided with a connecting unit connected with the conveying pipe 2 and facilitating the connection of the connecting pipe sleeve 6 with the conveying pipe 2.

[0021] In the ash removal device of the centrifugal fan, the connecting unit comprises a connecting block 7 connected with the conveying pipe 2 and connected with the connecting pipe sleeve 6. The end surface of the connecting pipe sleeve 6 abutting with the connecting pipe is provided with a plurality of protruding parts 8 protruding axially outward and embedded in the connecting block 7. The protruding parts 8 can also be arranged on the connecting block 7. When arranged on the connecting block 7, the protruding parts 8 are embedded in the connecting pipe sleeve 6. The outer peripheral wall of the connecting block 7 at the position corresponding to the protruding parts 8 is provided with a plurality of locking rods 9 connecting the connecting block 7 with the protruding parts 8. The connecting block 7 and the protruding parts 8 are both provided with through holes for mounting the locking rods 9.

[0022] In the ash removal device of the centrifugal fan, the inner wall of the air inlet is provided with a limiting unit 3 also connected with the air inlet and used for limiting the position of the shunt pipe 5. The limiting unit 3 also comprises a connecting rod connected with the air inlet and a clamping ring part connected with the connecting rod and provided with a split groove. The inner part of the air inlet at the position of the connecting rod is provided with a mounting protruding ring protruding axially outward and used for mounting the connecting rod.

[0023] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0024] Although the same terms are used more frequently herein, the possibility of using other terms is not excluded. The use of these terms is only to facilitate the description and explanation of the essence of the present application; any additional limitation by interpreting them is contrary to the spirit of the present application.

Claims

1. A dust removal device of a centrifugal fan including a fan body (1) having an air inlet, characterized in that, The fan body (1) is provided with a dust removal assembly connected therewith and used for dust removal at the air inlet, which comprises a conveying unit connected with the air inlet and used for conveying gas, and a control unit provided on the conveying unit and used for controlling the opening and closing of the conveying unit, an installation hole is formed in the outer peripheral wall of the air inlet for the lower end of the conveying unit to extend into and install, the lower end of the conveying unit is provided with a shunt unit connected therewith and having a shunt function, the shunt unit comprises a shunt pipe (5) provided with a plurality of shunt openings, and a connecting pipe sleeve (6) connecting the shunt pipe (5) with the conveying pipe (2), the connecting part of the conveying pipe (2) and the connecting pipe sleeve (6) is provided with a connecting unit connected with the conveying pipe (2) and facilitating the connection of the connecting pipe sleeve (6) with the conveying pipe (2), the connecting end of the conveying pipe (2) and the connecting pipe sleeve (6) is provided with a one-way valve connected with the conveying pipe (2), the connecting pipe sleeve (6) is provided with a thimble connected therewith and matched with the one-way valve, the connecting unit comprises a connecting block (7) connected with the conveying pipe (2) and the connecting pipe sleeve (6), the end surface of the connecting pipe sleeve (6) and the connecting pipe is provided with a plurality of protrusions (8) protruding axially outward and embedded in the connecting block (7), the outer peripheral wall of the connecting block (7) at the corresponding protrusion (8) is provided with a plurality of locking rods (9) connecting the connecting block (7) and the protrusion (8), and the inner wall of the air inlet is provided with a limiting unit (3) also connected therewith and used for limiting the position of the shunt pipe (5).

2. A dust removal device of a centrifugal fan according to claim 1, wherein The conveying unit comprises a conveying pipe (2) connected with the air inlet.

3. A dust removal device of a centrifugal fan according to claim 1, wherein The fan body (1) is provided with a limiting unit (3) connected therewith and used for limiting the position of the conveying pipe (2) at the outer peripheral wall of the conveying pipe (2), which comprises a connecting rod connected with the fan body (1), and a clasp part connected with the connecting rod and provided with a split groove.

4. The dust removal device of a centrifugal fan according to claim 1, characterized in that, The control unit comprises a control valve (4) connected with the conveying pipe (2) and provided with a control rod. The control unit comprises a control valve (4) connected with the conveying pipe (2) and provided with a control rod.