CN217165341U - Air return cleaning device of winnowing machine - Google Patents
Air return cleaning device of winnowing machine Download PDFInfo
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- CN217165341U CN217165341U CN202221463421.4U CN202221463421U CN217165341U CN 217165341 U CN217165341 U CN 217165341U CN 202221463421 U CN202221463421 U CN 202221463421U CN 217165341 U CN217165341 U CN 217165341U
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- return air
- filter screen
- scraper
- air filter
- cleaning
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The utility model relates to a return air cleaning device of a winnowing machine, wherein a return air filter screen is an arc-shaped filter screen, and the cleaning scraper component is arranged at the inner side of the arc shape; the cleaning scraper component is driven by the speed reducing motor to axially rotate along the circular arc-shaped circle center position of the return air filter screen so as to clean the return air filter screen. The cleaning quality is ensured by connecting the bogie and the scraper connecting plate in the cleaning scraper component. The long holes are formed in the scraper connecting plates, the length of the scrapers can be adjusted, and the service life of the scrapers is prolonged. The return air filter screen is arc-shaped, the air passing area is increased, and the return air utilization rate is improved, so that the winnowing precision is improved, the weight is reduced, and the corrosion resistance is realized. The cleaning scraper component is driven by the speed reduction motor to rotate, the effect of automatically cleaning the return air filter screen is achieved, and manual cleaning is not needed.
Description
Technical Field
The utility model relates to a technical field is carried to the material, especially relates to a selection by winnowing machine return air cleaning device.
Background
The return air cleaning of the air separator is an important separation device used before the comprehensive treatment of the municipal solid waste, the separation effect of the air separator has a great relationship with the recovery rate of recoverable substances, and the air separator has direct influence on the subsequent separation treatment. Therefore, how to optimize the structure of the winnowing machine and improve the sorting efficiency of the domestic garbage has important significance.
The winnowing machine is a device which takes air as a medium and carries out separation by utilizing the density and the granularity difference of materials under the action of airflow and is used for separating light substances in solid waste. Because the components of the household garbage are complex, light substances can enter an air return pipeline along with the wind flow to block a fan, the circulating air system cleaning device is also very important, and the reasonable design can improve the winnowing rate and the utilization rate of the winnowing machine.
The existing air separator return air filtering mode is usually a suspension net chain or a roller is used for filtering, manual cleaning is needed to be stopped after blockage, and cleaning is not clean, so that the return air utilization rate is low, and the air separation precision is low.
SUMMERY OF THE UTILITY MODEL
For overcoming the above-mentioned technical problem that prior art exists, the utility model provides a selection by winnowing machine return air cleaning device solves among the prior art selection by winnowing machine return air and filters to block up the back and need shut down artifical clearance and clearance unclean, and the return air utilization ratio is low, the low problem of selection by winnowing precision.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a winnowing machine return air cleaning device includes:
a speed reducing motor, a return air filter screen and a cleaning scraper component, wherein,
the return air filter screen is an arc-shaped filter screen, and the cleaning scraper component is arranged on the inner side of the arc shape; the cleaning scraper component is driven by the speed reducing motor 1 to axially rotate along the circular arc-shaped circle center position of the return air filter screen so as to clean the return air filter screen;
the cleaning scraper component comprises a scraper, a bogie and a scraper connecting plate, wherein,
the bogie is axially arranged at the position of the circular arc-shaped circle center of the return air filter screen and can axially rotate under the driving of the speed reducing motor; one side of the scraper connecting plate is fixedly connected with the bogie, and the other side of the scraper connecting plate is fixedly connected with the scraper; the other side of the scraper is in close contact with the return air filter screen.
The radian of the circular arc shape of the return air filter screen can be adjusted according to needs, and the optimal radian is pi or pi/2.
The bogie is of a cylindrical structure or a concentric annular structure which is oppositely arranged; the cylindrical structure or the opposite concentric ring structures are axially arranged along the circular arc-shaped circle center of the return air filter screen.
One end of the bogie is connected with the gear motor and driven by the gear motor to rotate along the self axial direction.
The bogie is fixedly connected with two or more scraper connecting plates along the axial direction; and the other sides of the two or more scraper connecting plates are respectively and fixedly connected with the corresponding scrapers.
Two or more scrapers are connected with each other at a set angle, preferably 40 degrees.
The scraper is connected with the scraper connecting plate at a set angle, preferably 40 degrees.
And a plurality of through long holes are formed in the scraper connecting plate.
The height of the scraper plate can be adjusted according to the tightness degree of the contact of the return air filter screen.
The speed reducing motor is a variable-frequency speed reducing motor.
The utility model has the advantages that:
in each embodiment of the utility model, the return air filter screen is a circular arc filter screen, and the cleaning scraper component is arranged at the inner side of the circular arc; the cleaning scraper component is driven by the speed reducing motor to axially rotate along the circular arc-shaped circle center position of the return air filter screen so as to clean the return air filter screen. The cleaning quality is ensured by connecting the bogie and the scraper connecting plate in the cleaning scraper component. The long holes are formed in the scraper connecting plates, the length of the scrapers can be adjusted, and the service life of the scrapers is prolonged. The return air filter screen is arc-shaped, the air passing area is increased, and the return air utilization rate is improved, so that the winnowing precision is improved, the weight is reduced, and the corrosion resistance is realized. The cleaning scraper component is driven by the speed reduction motor to rotate, the effect of automatically cleaning the return air filter screen is achieved, and manual cleaning is not needed.
Drawings
Fig. 1 is a schematic structural view of a return air cleaning device of a winnowing machine provided by the embodiment of the present invention.
Fig. 2 is a schematic structural view of a cleaning scraper component of the return air cleaning device of the winnowing machine provided by the embodiment of the utility model.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
As shown in fig. 1 and 2, the return air cleaning device of the air separator provided by the embodiment includes the following structure:
a speed reducing motor 1, a return air filter screen 2 and a cleaning scraper component 3, wherein,
the return air filter screen 2 is an arc-shaped filter screen, and the cleaning scraper component 3 is arranged on the inner side of the arc shape; the cleaning scraper component 3 is driven by the speed reducing motor 1 to axially rotate along the circular arc-shaped circle center position of the return air filter screen 2 so as to clean the return air filter screen 2;
the cleaning scraper component 3 comprises a scraper 4, a bogie 5 and a scraper connecting plate 6, wherein,
the bogie 5 is axially arranged at the circular-arc-shaped circle center of the return air filter screen 2 and can axially rotate under the driving of the speed reducing motor 1; one side of the scraper connecting plate 6 is fixedly connected with the bogie 5, and the other side of the scraper connecting plate is fixedly connected with the scraper 4; the other side of the scraper 4 is closely contacted with the return air filter screen 2.
The radian of the circular arc shape of the return air filter screen 2 can be adjusted according to needs, and the optimal radian is pi or pi/2.
The bogie 5 is a cylindrical structure or a concentric annular structure which is oppositely arranged; the cylindrical structure or the opposite concentric ring structure is axially arranged along the circular arc-shaped circle center of the return air filter screen 2.
One end of the bogie 5 is connected with the gear motor 1 and is driven by the gear motor 1 to rotate along the axial direction of the bogie.
The bogie 5 is fixedly connected with two or more scraper connecting plates 6 along the axial direction; the other sides of the two or more scraper connecting plates 6 are respectively fixedly connected with the corresponding scrapers 4.
Two or more scrapers 4 are connected with each adjacent two scrapers 4 at a set angle, preferably 40 degrees.
The scraper 4 is connected with the scraper connecting plate 6 at a set angle, preferably 40 degrees.
And a plurality of through long holes are formed in the scraper connecting plate 6.
The height of the scraper 4 can be adjusted according to the contact tightness degree with the return air filter screen 2.
The speed reducing motor 1 is a variable-frequency speed reducing motor.
Specifically, the present embodiment is a return air cleaning device for a winnowing machine, which is disposed at a return air position at the end of the winnowing machine for filtering and self-cleaning the light drifts that may enter the circulating air of the duct. As shown in fig. 1 and 2, the main shaft is driven to rotate by the reduction motor 1, and the cleaning blade assembly 3 is driven to rotate for cleaning. The scraper 4 rotates to play a role in cleaning light materials suspended on the return air filter screen 2. The cleaning scraper component 3 is composed of two scrapers 4 with an included angle of 40 degrees, and the cleaning quality is guaranteed.
The specific working principle is as follows: the cleaning scraper component 3 is driven by the speed reducing motor 1 to clean and filter light materials suspended in the return air filter screen 2. The return air filter screen 2 is semicircular, so that the air passing area is increased; and the stainless steel pore plate is adopted, so that the weight is reduced, and the corrosion is resisted. The variable-frequency speed reducing motor is adopted, so that the rotating speed can be adjusted. The cleaning scraper component 3 is connected with two or more cleaning scrapers 4 through a bogie 5, so that the cleaning quality is guaranteed. Be provided with the slot hole on the scraper blade connecting plate 6, when scraper blade 4 rotatory clearance return air filter screen 2 wearing and tearing, adjustable scraper blade 4 length, extension scraper blade 4 life. The cleaning scraper component 3 is driven to rotate by the speed reducing motor 1, the effect of automatically cleaning the return air filter screen 2 is achieved, and shutdown manual cleaning is not needed.
The return air cleaning device is a main part for self cleaning of the air separator, and the structure of the return air cleaning device determines the return air utilization rate of the air separator and directly influences the air separation precision of the air separator. The return air cleaning device of the winnowing machine comprises a speed reducing motor 1, a return air filter screen 2 and a cleaning scraper component 3.
In each embodiment of the utility model, the return air filter screen is a circular arc filter screen, and the cleaning scraper component is arranged at the inner side of the circular arc; the cleaning scraper component is driven by the speed reducing motor to axially rotate along the circular arc-shaped circle center position of the return air filter screen so as to clean the return air filter screen. The cleaning quality is ensured by connecting the bogie and the scraper connecting plate in the cleaning scraper component. The long holes are formed in the scraper connecting plates, the length of the scrapers can be adjusted, and the service life of the scrapers is prolonged. The return air filter screen is arc-shaped, the air passing area is increased, and the return air utilization rate is improved, so that the winnowing precision is improved, the weight is reduced, and the corrosion resistance is realized. The cleaning scraper component is driven by the speed reduction motor to rotate, the effect of automatically cleaning the return air filter screen is achieved, and manual cleaning is not needed.
In the description of the present invention, it should be noted that the terms "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The utility model provides a selection by winnowing machine return air cleaning device which characterized in that includes:
a speed reducing motor (1), a return air filter screen (2) and a cleaning scraper component (3), wherein,
the return air filter screen (2) is an arc-shaped filter screen, and the cleaning scraper component (3) is arranged on the inner side of the arc shape; the cleaning scraper component (3) is driven by the speed reducing motor (1) to axially rotate along the circular arc-shaped circle center position of the return air filter screen (2) so as to clean the return air filter screen (2);
the cleaning scraper component (3) comprises a scraper (4), a bogie (5) and a scraper connecting plate (6),
the bogie (5) is axially arranged at the circular arc-shaped circle center of the return air filter screen (2) and can axially rotate under the driving of the speed reducing motor (1); one side of the scraper connecting plate (6) is fixedly connected with the bogie (5), and the other side of the scraper connecting plate is fixedly connected with the scraper (4); the other side of the scraper (4) is in close contact with the return air filter screen (2).
2. The return air cleaning device of the air separator according to claim 1, wherein the arc shape of the return air filter screen (2) is adjustable in radian as required.
3. The return air cleaning device of a winnowing machine according to claim 1, characterized in that the bogie (5) is of a cylindrical structure or an oppositely arranged concentric ring structure; the cylindrical structure or the opposite concentric ring structures are axially arranged along the circular arc center of the return air filter screen (2).
4. The return air cleaning device of the air separator according to claim 3, characterized in that one end of the bogie (5) is connected with the speed reducing motor (1) and driven by the speed reducing motor (1) to rotate along the axial direction of the bogie.
5. Air separator return air cleaning device according to claim 1, characterized in that the bogie (5) is fixedly connected with two or more scraper webs (6) in the axial direction.
6. The return air cleaning device of the air separator according to claim 5, characterized in that two or more of said scrapers (4) are connected at a set angle between every two adjacent scrapers (4).
7. The return air cleaning device of the air separator according to claim 1, characterized in that the scraper (4) is connected with the scraper connecting plate (6) at a set angle.
8. The return air cleaning device of the air separator according to claim 1, characterized in that the scraper web (6) is provided with a plurality of through slots.
9. The return air cleaning device of a winnowing machine according to claim 1, characterized in that the gear motor (1) is a variable frequency gear motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221463421.4U CN217165341U (en) | 2022-06-13 | 2022-06-13 | Air return cleaning device of winnowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221463421.4U CN217165341U (en) | 2022-06-13 | 2022-06-13 | Air return cleaning device of winnowing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217165341U true CN217165341U (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221463421.4U Active CN217165341U (en) | 2022-06-13 | 2022-06-13 | Air return cleaning device of winnowing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217165341U (en) |
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2022
- 2022-06-13 CN CN202221463421.4U patent/CN217165341U/en active Active
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