Air feeder for power plant
By designing a cleaning mechanism in the blower and using a motor-driven rotary cleaning brush to clean the filter on both sides, the problem of reducing air supply efficiency caused by dust accumulation is solved, and the service life and efficiency of the blower are improved.
Patent Information
- Application Number
- CN202421915449.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-08-08
AI Technical Summary
The air supply efficiency of the existing power plant fans is reduced when dust accumulates, and the existing filter mechanism fails to be effectively cleaned, which affects the service life of the fan.
A blower containing a cleaning mechanism is designed, including a motor, a rotary rod, a rotary wheel, an extension rod, a first and a second cleaning brush. The filter screen is cleaned on both sides by a rotary cleaning brush by a motor drive. The various structures of the cleaning mechanism cooperate with each other to achieve efficient dust cleaning.
It realizes efficient cleaning of the double-sided filter mesh, avoids dust clogging the mesh holes, improves air supply efficiency, and extends the service life of the fan.
Smart Images

Figure CN223089578U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of power plants, in particular to a blower fan for power plants. Background Art
[0002] A power plant, also known as a power station, is a factory that converts various primary energy sources stored in nature into electrical energy. When the power plant is generating electricity, the fan delivers the air required for fuel combustion into the boiler's power unit, allowing the fuel in the boiler to burn fully.
[0003] In actual use, the dust in the boiler will enter the blower and accumulate on the blower unit, affecting the air supply efficiency of the blower and reducing the service life of the blower. Some existing blower units with filtering mechanisms simply filter the dust. The dust is adsorbed on the filter net. If it is not cleaned in time, it will also affect the air supply efficiency of the blower. Therefore, a blower for a power plant is proposed to solve the above-mentioned problems. Utility Model Content
[0004] In view of the shortcomings of the prior art, the utility model provides an air blower for a power plant, which has the advantage of good dust cleaning effect and solves the problem that the existing air blowers are not equipped with dust cleaning devices. Some air blower units with filtering mechanisms simply filter the dust, and the dust is adsorbed on the filter net. If it is not cleaned in time, it will also affect the air supply efficiency of the air blower.
[0005] To achieve the above object, the utility model provides the following technical solution: a blower for a power plant, comprising a containing box, a protective cover is installed on the outside of the containing box, a filter body is installed inside the protective cover, a blower body is arranged inside the containing box, and a cleaning mechanism is arranged inside the containing box;
[0006] The cleaning mechanism includes a motor, a rotating rod, a rotating disk, an extension rod, a first cleaning brush, an eccentric rod and a second cleaning brush. The motor is installed inside the storage box, the rotating rod is installed inside the storage box, the right side of the rotating rod is connected to the rotating disk, the right side of the rotating disk is installed with an extension rod, the outside of the extension rod is connected to the first cleaning brush, the outside of the rotating disk is connected to the eccentric rod, and the outside of the eccentric rod is connected to the second cleaning brush.
[0007] Furthermore, a heat dissipation hole is opened on the outside of the containing box, a horizontal plate is fixedly installed inside the containing box, and the right side of the motor is connected to the horizontal plate.
[0008] Furthermore, the output shaft of the motor is interconnected with the left side of the blower body, and the side of the blower body away from the motor is interconnected with the rotating rod.
[0009] Further, a limiting plate is installed inside the accommodating box, and the rotating rod penetrates through the limiting plate and is connected to the left side of the turntable.
[0010] Further, the first cleaning brush is connected to the top of the extension rod. The first cleaning brush is located on the left side of the filter screen body, and the left side of the eccentric rod is connected to the right side of the turntable.
[0011] Further, one side of the eccentric rod away from the turntable extends to the inner wall of the protective cover. The second cleaning brush is connected to the top of the eccentric rod. The filter screen body is located between the first cleaning brush and the second cleaning brush, and a dust discharge port is opened at the bottom of the protective cover.
[0012] Compared with the prior art, the technical solution of the present application has the following beneficial effects:
[0013] 1. For the air blower for power plants, by providing an accommodating box to protect the air blower body, the effects of dust prevention and ash prevention are achieved. By providing a protective cover to limit the filter screen body, and by providing a cleaning mechanism, the various structures of the cleaning mechanism cooperate with each other, so as to achieve the purpose of cleaning the filter screen body, thereby avoiding the influence on the air supply effect due to dust clogging the mesh holes.
[0014] 2. For the air blower for power plants, by providing a motor, the controller drives the motor to start. At this time, the air blower body will rotate synchronously and drive the rotating rod and the rotating rod to rotate synchronously. The rotating turntable will drive the extension rod and the eccentric rod to rotate simultaneously. By providing the extension rod, the rotating extension rod will drive the first cleaning brush to rotate, thereby cleaning the left side of the filter screen body. By providing the eccentric rod, the rotating eccentric rod will drive the second cleaning brush to rotate, thereby cleaning the right side of the filter screen body. Double-sided cleaning not only has higher efficiency but also better cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a front view schematic diagram of the present utility model;
[0016] Figure 2 is a cross-sectional view schematic diagram of the present utility model;
[0017] Figure 3 is a schematic diagram of the cleaning mechanism of the present utility model.
[0018] In the figure: 1 accommodating box, 2 protective cover, 3 filter screen body, 4 air blower body, 5 cleaning mechanism, 501 motor, 502 rotating rod, 503 turntable, 504 extension rod, 505 first cleaning brush, 506 eccentric rod, 507 second cleaning brush, 6 cross plate, 7 limiting plate. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0020] Please refer to Figures 1-3 , a forced draft fan for a power plant, including a receiving box 1, a protective cover 2 is installed outside the receiving box 1, a filter element body 3 is installed inside the protective cover 2, a forced draft fan body 4 is arranged inside the receiving box 1, and a cleaning mechanism 5 is arranged inside the receiving box 1;
[0021] The cleaning mechanism 5 includes a motor 501, a rotating rod 502, a turntable 503, an extension rod 504, a first cleaning brush 505, an eccentric rod 506 and a second cleaning brush 507. The motor 501 is installed inside the receiving box 1, the rotating rod 502 is installed inside the receiving box 1, the right side of the rotating rod 502 is connected to the turntable 503, the extension rod 504 is installed on the right side of the turntable 503, the first cleaning brush 505 is connected to the outside of the extension rod 504, the eccentric rod 506 is connected to the outside of the turntable 503, and the second cleaning brush 507 is connected to the outside of the eccentric rod 506.
[0022] In Figure 1 and Figure 2 , by setting the cleaning mechanism 5, the structures of the cleaning mechanism 5 cooperate with each other to achieve the purpose of cleaning the filter element body 3, thereby avoiding the influence on the air supply effect due to dust clogging the mesh holes. The cleaning mechanism 5 includes a motor 501, a rotating rod 502, a turntable 503, an extension rod 504, a first cleaning brush 505, an eccentric rod 506 and a second cleaning brush 507. Heat dissipation holes are provided outside the receiving box 1, a cross plate 6 is fixedly installed inside the receiving box 1, and the right side of the motor 501 is connected to the cross plate 6.
[0023] In Figure 1 and Figure 2 , the output shaft of the motor 501 is connected to the left side of the forced draft fan body 4, the side of the forced draft fan body 4 away from the motor 501 is connected to the rotating rod 502. The controller drives the motor 501 to start. At this time, the forced draft fan body 4 will rotate synchronously and drive the rotating rod 502 and the rotating rod 503 to rotate synchronously. The rotating turntable 503 will drive the extension rod 504 and the eccentric rod 506 to rotate simultaneously.
[0024] In Figure 1 and Figure 3 , a limiting plate 7 is installed inside the receiving box 1, and the rotating rod 502 passes through the limiting plate 7 and is connected to the left side of the turntable 503.
[0025] InFigure 2 and Figure 3 In the figure, the first cleaning brush 505 is connected to the top of the extension rod 504 , the first cleaning brush 505 is located on the left side of the filter body 3 , and the left side of the eccentric rod 506 is connected to the right side of the turntable 503 .
[0026] exist Figure 2 and Figure 3 In the figure, the eccentric rod 506 extends from the side of the turntable 503 to the inner wall of the protective cover 2, the second cleaning brush 507 is connected to the top of the eccentric rod 506, the filter body 3 is located between the first cleaning brush 505 and the second cleaning brush 507, and a dust discharge port is provided at the bottom of the protective cover 2. By setting the eccentric rod 506, the rotating eccentric rod 506 will drive the second cleaning brush 507 to rotate, thereby cleaning the right side of the filter body 3.
[0027] To sum up, when the blower for the power plant is in use, first the remote controller drives the motor 501 to start, so that the blower body 4 rotates synchronously, thereby achieving the purpose of air supply. When the blower body 4 rotates, it will drive the rotating rod 502 and the rotating disk 503 to rotate synchronously. The rotating rotating disk 503 will drive the extension rod 504 and the eccentric rod 506 to rotate synchronously, so that the first cleaning brush 505 and the second cleaning brush 507 rotate synchronously to clean the filter body 3. Finally, after the cleaning is completed, the dust can be discharged from the ash discharge port.
[0028] The electrical components appearing in this article are all connected to the external controller and 220V AC power, and the controller can be a conventional known device that plays a control role such as a computer. The specific model specifications of each device in this article need to be selected and determined based on the actual specifications of the device. The specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.
[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0030] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A forced draft fan for a power plant, comprising a receiving box (1), characterized in that: A protective cover (2) is installed outside the accommodation box (1), a filter screen body (3) is installed inside the protective cover (2), a blower body (4) is arranged inside the accommodation box (1), and a cleaning mechanism (5) is arranged inside the accommodation box (1); The cleaning mechanism (5) includes a motor (501), a rotating rod (502), a turntable (503), an extension rod (504), a first cleaning brush (505), an eccentric rod (506) and a second cleaning brush (507). The motor (501) is installed inside the accommodation box (1), the rotating rod (502) is installed inside the accommodation box (1), the right side of the rotating rod (502) is connected to the turntable (503), the right side of the turntable (503) is installed with the extension rod (504), the outside of the extension rod (504) is connected with a first cleaning brush (505), the outside of the turntable (503) is connected with the eccentric rod (506), and the outside of the eccentric rod (506) is connected with a second cleaning brush (507).
2. The air blower for a power plant according to claim 1, wherein: Heat dissipation holes are formed outside the accommodation box (1), a cross plate (6) is fixedly installed inside the accommodation box (1), and the right side of the motor (501) is connected to the cross plate (6).
3. The air blower for a power plant according to claim 1, wherein: The output shaft of the motor (501) is connected to the left side of the blower body (4), and the side of the blower body (4) away from the motor (501) is connected to the rotating rod (502).
4. The air blower for a power plant according to claim 1, wherein: A limiting plate (7) is installed inside the accommodation box (1), and the rotating rod (502) passes through the limiting plate (7) and is connected to the left side of the turntable (503).
5. The forced draft fan for a power plant according to claim 1, wherein: The first cleaning brush (505) is connected to the top of the extension rod (504), the first cleaning brush (505) is located on the left side of the filter screen body (3), and the left side of the eccentric rod (506) is connected to the right side of the turntable (503).
6. The air blower for power plants according to claim 1, characterized in that: The side of the eccentric rod (506) away from the turntable (503) extends to the inner wall of the protective cover (2), the second cleaning brush (507) is connected to the top of the eccentric rod (506), the filter screen body (3) is located between the first cleaning brush (505) and the second cleaning brush (507), and a dust discharge port is formed at the bottom of the protective cover (2).