CN221493284U - Winnowing machine - Google Patents
Winnowing machine Download PDFInfo
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- CN221493284U CN221493284U CN202323554214.7U CN202323554214U CN221493284U CN 221493284 U CN221493284 U CN 221493284U CN 202323554214 U CN202323554214 U CN 202323554214U CN 221493284 U CN221493284 U CN 221493284U
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Abstract
The utility model discloses a winnowing machine, which comprises an air return fan, an air return pipeline and a dust and impurity treatment device, wherein the dust and impurity treatment device comprises a treatment cavity, a filter screen, a rotary adsorption cover, a rotary driving device, a fixed dust suction pipe, a fiber dust and impurity separator and a dust collection fan, the treatment cavity is connected in series with the air return pipeline, the filter screen is arranged in the treatment cavity, the rotary adsorption cover is buckled on the windward side of the filter screen, the rotary driving device is in transmission connection with the rotary adsorption cover, the first end of the fixed dust suction pipe is communicated with the rotary adsorption cover through a rotary sealing flexible assembly, the fiber dust and impurity separator is arranged outside the treatment cavity, the inlet of the fiber dust suction pipe is communicated with the second end of the fixed dust suction pipe, and the air inlet of the dust collection fan is communicated with the outlet of the fiber dust and impurity separator. The dust and dirt treatment device of the winnowing machine can prevent fiber dust and dirt from entering the return air fan, reduce equipment faults, improve equipment stability, save maintenance cost, prolong service life of the return air fan, and ensure that the equipment is not limited by winnowing materials, so that the application range is wider.
Description
Technical Field
The utility model relates to the technical field of dust removal equipment, in particular to a winnowing machine.
Background
As shown in fig. 1, the fanning machine is a device for separating light components from materials by using wind force as a medium, and in the separation process, if the materials contain diffuse light materials such as cloth fibers or large coarse dust impurities, the materials can directly enter the return air fan 1 through the return air pipeline 2, the materials can adhere to the return air fan 1, even some large dust impurities can block the return air fan 1, the rotating speed of the return air fan 1 is affected, heat is generated, serious even faults are caused, the efficiency of the device is lowered, even the faults are stopped, and the service life of the return air fan is affected.
Disclosure of utility model
Therefore, the utility model aims to provide the winnowing machine so as to prevent fiber dust in the return air pipeline from entering the return air fan, thereby reducing faults, increasing the on-probability, saving maintenance cost and prolonging the service life of the return air fan.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a winnowing machine, includes the return air fan and with the return air pipeline of return air fan intercommunication, the winnowing machine still includes dust miscellaneous processing apparatus, dust miscellaneous processing apparatus includes:
The processing chamber is connected in series on the return air pipeline;
The filter screen is arranged in the processing cavity;
The rotary adsorption cover is covered and buckled on the windward side of the filter screen;
The rotary driving device is in transmission connection with the rotary adsorption cover and is used for driving the rotary adsorption cover to rotate;
The first end of the fixed dust suction pipe is communicated with the rotary adsorption cover through a rotary sealing flexible assembly, and the second end of the fixed dust suction pipe penetrates out of the processing chamber;
the fiber dust and impurity separator is arranged outside the processing chamber, and the inlet of the fiber dust and impurity separator is communicated with the second end of the fixed dust suction pipe;
The dust collecting fan is used for generating negative pressure and sucking the dust and impurity substances adsorbed by the rotary adsorption cover from the filter screen into the fiber dust and impurity separator.
Optionally, the rotary adsorption cover comprises a cover body and a brush, wherein the cover body is covered on one end of the filter screen and provided with the brush, and one end of the cover body, which is far away from the filter screen, is communicated with the first end of the fixed dust suction pipe through the rotary sealing flexible assembly.
Optionally, the first end of the cover is disposed near the center of the filter screen, and the second end of the cover extends along the radial direction of the filter screen toward the edge of the filter screen.
Optionally, the rotary driving device comprises a rotary motor arranged in the processing cavity, and the rotary motor is in transmission connection with the first end of the cover body.
Optionally, the rotating electrical machines set up in the lee side of filter screen, the transmission shaft of rotating electrical machines pass the filter screen with the first end transmission of cover body is connected.
Optionally, a weight is provided on a side of the second end of the cover remote from the first end of the cover.
Optionally, an air outlet of the dust collection fan is communicated with the processing chamber through an air supplementing pipeline.
Optionally, the communication part of the air supplementing pipeline and the processing chamber is located at an upstream position of the filter screen along the air flow direction in the processing chamber.
Optionally, the cross-sectional flow area of the processing chamber is greater than the cross-sectional flow area of the return line.
Optionally, a pressure detection device is respectively arranged at an upstream position and a downstream position of the filter screen in the processing chamber, the pressure detection device, the rotary driving device, the fiber dust and impurity separator and the dust collection fan are respectively in communication connection with a controller of the winnowing machine, and the controller is used for controlling the rotary driving device, the fiber dust and impurity separator and the dust collection fan to start when the difference value of detection values of the two pressure detection devices is larger than a preset value.
According to the technical scheme, the embodiment of the utility model provides a winnowing machine, which comprises a return air fan, a return air pipeline and a dust and impurity treatment device, wherein the return air pipeline is communicated with the return air fan, the dust and impurity treatment device comprises a treatment cavity, a filter screen, a rotary adsorption cover, a rotary driving device, a fixed dust suction pipe, a fiber dust and impurity separator and a dust collection fan, wherein the treatment cavity is connected on the return air pipeline in series, the filter screen is arranged in the treatment cavity, the rotary adsorption cover is buckled on the windward side of the filter screen, the rotary driving device is in transmission connection with the rotary adsorption cover, the rotary driving device is used for driving the rotary adsorption cover to rotate, the first end of the fixed dust suction pipe is communicated with the rotary adsorption cover through a rotary sealing flexible component, the second end of the fixed dust suction pipe penetrates out of the treatment cavity, the fiber dust and impurity separator is arranged outside the treatment cavity, the inlet of the fiber dust and impurity separator is communicated with the outlet of the fixed dust suction pipe, and the dust collection fan is used for generating negative pressure to suck the dust and impurity adsorbed by the rotary adsorption cover from the filter screen.
When the device is applied, the filter screen filters and intercepts fiber impurities in the return air pipeline, the rotary driving device drives the rotary adsorption cover to clean and adsorb the fiber impurities intercepted on the filter screen, under the negative pressure effect generated by the dust collecting fan, the fiber impurities swept down by the rotary adsorption cover are sucked into the fiber impurities separator and discharged out of the return air pipeline by the fiber impurities separator, thereby avoiding the fiber impurities from entering the return air fan, reducing equipment faults, improving equipment stability, increasing the on-rate, saving maintenance cost, prolonging the service life of the return air fan, and ensuring that the equipment is not limited by winnowing materials and has wider application range.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a prior art air separator;
FIG. 2 is a schematic structural diagram of a winnowing machine according to an embodiment of the present utility model;
Fig. 3 is a partially enlarged internal schematic view at a in fig. 2.
In the illustration of the present invention,
1 Is a return air fan; 2 is an air return pipeline; 3 is a dust and impurity treatment device; 310 is a process chamber; 320 is a filter screen; reference numeral 330 denotes a rotary suction cap; 331 is a cover; 332 is a brush; 340 is a fixed dust suction pipe; 350 is a rotary seal flexible assembly; 360 is a fiber dust separator; 370 is a dust collection fan; 380 is a air supplementing pipeline; 390 is a rotary drive device.
Detailed Description
The utility model discloses a winnowing machine, which has the structural design that fiber dust in a return air pipeline can be prevented from entering a return air fan, so that faults are reduced, the opening probability is increased, and the maintenance cost is saved.
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. 2 and fig. 3, fig. 2 is a schematic structural diagram of a winnowing machine according to an embodiment of the present utility model, and fig. 3 is a partially enlarged internal schematic diagram of a portion a in fig. 2.
The embodiment of the utility model discloses a winnowing machine, which comprises a return air fan 1, a return air pipeline 2 communicated with the return air fan 1 and a dust and impurity treatment device 3, wherein the dust and impurity treatment device 3 comprises a treatment cavity 310, a filter screen 320, a rotary adsorption cover 330, a rotary driving device 390, a fixed dust suction pipe 340, a fiber dust and impurity separator 360 and a dust collection fan 370.
The treatment chamber 310 is connected in series to the return air pipeline 2, the filter screen 320 is disposed in the treatment chamber 310, the filter screen 320 may be disposed in one or more layers, if the filter screen 320 is disposed in multiple layers, the rotary suction hood 330 is in contact with the most upstream layer of the filter screen 320 along the airflow direction, the rotary suction hood 330 is fastened to the windward side of the filter screen 320, it should be noted that, in this case, in order to reduce the influence on the return air, the projected area of the rotary suction hood 330 on the plane of the filter screen 320 is far smaller than the area of the filter screen 320, the rotary driving device 390 is in transmission connection with the rotary suction hood 330, the rotary driving device 390 is used for driving the rotary suction hood 330 to rotate, the first end of the fixed suction pipe 340 is communicated with the rotary suction hood 330 through the rotary seal flexible assembly 350, the rotary seal flexible assembly 350 is in rotatable and sealing connection with the rotary seal flexible assembly 350, the second end of the fixed suction pipe 340 is penetrated out of the treatment chamber 310, the fiber dust separator 360 is disposed out of the treatment chamber 310, the inlet of the fiber dust separator 360 is communicated with the second end of the fixed suction pipe 340, and the inlet of the fiber dust separator 360 is communicated with the inlet of the blower 360.
The fiber dust and dirt separator 360 comprises a shell, a separation barrel and a discharge device, wherein the shell is provided with an inlet of the fiber dust and dirt separator 360, an outlet of the fiber dust and dirt separator 360 and a fiber dust and dirt discharge port, the separation barrel is arranged in the shell, the separation barrel isolates the inlet and the outlet of the fiber dust and dirt separator 360, the barrel wall of the separation barrel is provided with a plurality of separation holes, the fiber dust and dirt entrained by the air flow enter the separation barrel from the inlet of the fiber dust and dirt separator 360, the fiber dust and dirt are intercepted by the separation barrel, the air flow flows out of the separation holes from the separation barrel and leaves the fiber dust and dirt separator 360 through the outlet of the fiber dust and dirt separator 360, the discharge device comprises a driving motor, a driving shaft and a helical blade, the output end of the driving shaft is connected with the driving shaft, the helical blade extends along the axial direction of the driving shaft, the distance between the edge of the helical blade and the barrel wall of the separation barrel is smaller, generally within 5mm, in the working process, the driving motor drives the driving shaft to rotate the helical blade, the air flow forms a rotational flow under the action of the helical blade, the effect of the helical blade is increased by centrifugal force, the fiber dust and the separated from the separation barrel is separated from the fiber dust and dirt from the separation barrel to the bottom of the fiber dust and dirt separator 360 through the separation barrel.
The dust collection fan 370 is used to generate negative pressure to suck the sucked up dust and foreign substances, which are swept by the rotary suction cap 330 from the filter screen 320, into the fibrous dust and foreign substance separator 360.
Compared with the prior art, when the winnowing machine provided by the embodiment of the utility model is used, the filter screen 320 filters and intercepts fiber impurities in the return air pipeline 2, the rotary driving device 390 drives the rotary adsorption cover 330 to clean and adsorb the fiber impurities intercepted on the filter screen 320, under the negative pressure effect generated by the dust collecting fan 370, the fiber impurities swept by the rotary adsorption cover 330 are sucked into the fiber impurities separator 360 and discharged out of the return air pipeline 2 by the fiber impurities separator 360, and the fiber impurities in the return air can be treated under the condition of no shutdown, so that the fiber impurities are prevented from entering the return air fan 1, the equipment faults are reduced, the equipment stability is improved, the opening probability is increased, the maintenance cost is saved, the service life of the return air fan 1 is prolonged, the equipment is not limited by winnowing materials, and the application range is wider.
Specifically, in the embodiment of the present utility model, in order to improve the screening effect on the fiber dust on the filter screen 320, as shown in fig. 3, the rotary suction hood 330 includes a hood 331 and a brush 332, the hood 331 is fastened to one end of the filter screen 320, the brush 332 is disposed on the end of the filter screen 320, the brush 332 is pressed against the filter screen 320 by the hood 331, one end of the hood 331 away from the filter screen 320 is communicated with the first end of the fixed dust suction pipe 340 through the rotary seal flexible assembly 350, and when the rotary suction hood 330 rotates, the brush 332 cleans the filter screen 320.
As shown in fig. 3, in the embodiment of the present utility model, the cross-sectional shape of the end of the cover 331 near the filter screen 320 is rectangular, trapezoidal, triangular or oval, and the first end of the cover 331 is disposed near the center of the filter screen 320, and the second end of the cover 331 extends along the radial direction of the filter screen 320 toward the edge of the filter screen 320, i.e. the length direction of the cover 331 extends along the radial direction of the filter screen 320, so that when the cover 331 rotates, cleaning and adsorbing can be performed on all or most positions of the filter screen 320.
As shown in fig. 3, in the embodiment of the present utility model, the rotary driving device 390 includes a rotary motor disposed in the processing chamber 310, and the rotary motor is in transmission connection with the first end of the cover 331, and the rotary motor may be disposed on the leeward side or the windward side of the filter screen 320, but in order to ensure the service life of the rotary motor and reduce the failure rate of the rotary motor, the above technical scheme is further optimized.
It should be noted that, in another embodiment, the rotating electric machine may be disposed outside the processing chamber 310, and the cover 331 may be connected to an outer gear ring, where the outer gear ring is disposed coaxially with the filter mesh 320, and the outer gear ring is in driving connection with the rotating electric machine through a gear set.
In order to ensure smooth rotation of the cover 331, in the embodiment of the utility model, as shown in fig. 3, a weight member is disposed on a side of the second end of the cover 331 away from the first end of the cover 331 to ensure rotation balance of the cover 331, reduce swinging of the cover 331, and ensure that the cover 331 always presses the brush 332 against the filter screen 320.
Further optimizing the above technical solution, because the dust collecting fan 370 forms negative pressure in the return air duct, the return air pressure in the return air duct is affected, in order to minimize the influence of the dust and impurity treatment device 3 on the return air duct 2, in the embodiment of the present utility model, the air outlet of the dust collecting fan 370 is communicated with the treatment chamber 310 through the air compensating duct 380, and after separating fiber dust and impurities, the dust collecting fan 370 supplements cleaned return air in the return air duct 2, thereby reducing the influence on the return air duct 2.
As shown in fig. 3, in the embodiment of the present utility model, the connection between the air supply line 380 and the processing chamber 310 is located at a position upstream of the filter screen 320 in the air flow direction in the processing chamber 310.
Further optimize above-mentioned technical scheme, as shown in fig. 3, the cross-sectional area of flow of the above-mentioned processing chamber 310 is greater than the cross-sectional area of flow of return air pipeline 2, can make the cross-sectional area of flow of filter screen 320 also greater than the cross-sectional area of flow of return air pipeline 2 like this, can make the filter screen 320 just to the part of return air pipeline 2 be main filtration area under this condition, rotatory adsorption cover 330 only need clear up this part area can, in order to guarantee to have the clearance between rotatory adsorption cover 330 and the inner wall of processing chamber 310, avoid rotatory adsorption cover 330 to rotate the in-process and the inner wall of processing chamber 310 appear friction, influence rotatory adsorption cover 330's rotation.
As a preferred embodiment of the present utility model, the pressure detecting devices are respectively disposed at the upstream position and the downstream position of the filter screen 320 in the processing chamber 310, the pressure detecting devices, the rotary driving device 390, the fiber dust separator 360 and the dust collecting fan 370 are respectively connected with the controller of the air separator in a communication manner, and the controller is used for controlling the rotary driving device 390, the fiber dust separator 360 and the dust collecting fan 370 to be started when the difference between the detected values of the two pressure detecting devices is greater than a preset value, and by the design, the dust handling device 3 can be intermittently started as required, and the energy consumption can be effectively reduced while ensuring that the fiber dust does not enter the return air fan 1.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a winnowing machine, includes the return air fan and with the return air pipeline of return air fan intercommunication, its characterized in that, the winnowing machine still includes the miscellaneous processing apparatus of dust, the miscellaneous processing apparatus of dust includes:
The processing chamber is connected in series on the return air pipeline;
The filter screen is arranged in the processing cavity;
The rotary adsorption cover is covered and buckled on the windward side of the filter screen;
The rotary driving device is in transmission connection with the rotary adsorption cover and is used for driving the rotary adsorption cover to rotate;
The first end of the fixed dust suction pipe is communicated with the rotary adsorption cover through a rotary sealing flexible assembly, and the second end of the fixed dust suction pipe penetrates out of the processing chamber;
the fiber dust and impurity separator is arranged outside the processing chamber, and the inlet of the fiber dust and impurity separator is communicated with the second end of the fixed dust suction pipe;
The dust collecting fan is used for generating negative pressure and sucking the dust and impurity substances adsorbed by the rotary adsorption cover from the filter screen into the fiber dust and impurity separator.
2. The air separator according to claim 1, wherein the rotary suction hood comprises a hood body and a brush, the hood body is fastened to one end of the filter screen and provided with the brush, and one end of the hood body away from the filter screen is communicated with the first end of the fixed dust suction pipe through the rotary seal flexible assembly.
3. A winnowing machine as claimed in claim 2, in which the first end of the cover is located close to the centre of the filter screen and the second end of the cover extends radially of the filter screen towards the edge of the filter screen.
4. A winnowing machine according to claim 3, wherein the rotary drive means comprises a rotary motor disposed within the treatment chamber, the rotary motor being drivingly connected to the first end of the housing.
5. The air separator according to claim 4, wherein the rotating motor is disposed on a leeward side of the filter screen, and a transmission shaft of the rotating motor passes through the filter screen and is in transmission connection with the first end of the cover body.
6. A winnowing machine as claimed in any one of claims 3 to 5, in which the second end of the cover is provided with a counterweight on a side thereof remote from the first end of the cover.
7. A fan according to any one of claims 1 to 5, wherein the outlet of the dust collection fan is in communication with the treatment chamber via a supply line.
8. The air separator of claim 7 wherein the communication between said air make-up line and said processing chamber is located upstream of said filter screen in the direction of air flow within said processing chamber.
9. A fan as claimed in any of claims 1 to 5 and 8, wherein the cross-sectional flow area of the treatment chamber is greater than the cross-sectional flow area of the return duct.
10. A winnowing machine according to any one of claims 1-5 and 8, characterized in that pressure detecting means are provided in the processing chamber at the upstream and downstream positions of the filter screen, respectively, the pressure detecting means, the rotary driving means, the fiber dust separator and the dust collecting fan being in communication with a controller of the winnowing machine, respectively, the controller being adapted to control the rotary driving means, the fiber dust separator and the dust collecting fan to be started when the difference between the detected values of the two pressure detecting means is larger than a preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323554214.7U CN221493284U (en) | 2023-12-25 | 2023-12-25 | Winnowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323554214.7U CN221493284U (en) | 2023-12-25 | 2023-12-25 | Winnowing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221493284U true CN221493284U (en) | 2024-08-09 |
Family
ID=92132155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323554214.7U Active CN221493284U (en) | 2023-12-25 | 2023-12-25 | Winnowing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221493284U (en) |
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2023
- 2023-12-25 CN CN202323554214.7U patent/CN221493284U/en active Active
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