Winnowing impurity removal equipment

Abstract

The utility model discloses winnowing impurity removal equipment which comprises a shell, the shell comprises a material guide channel body which is gradually shrunk from top to bottom, a mixed material inlet is formed in the right inclined side wall of the material guide channel body, and a vertical pipeline is connected to the right side area of the top of the material guide channel body. An air uniformizing and flow guiding mechanism is arranged in the vertical pipeline, a heavy impurity sorting area is arranged at the position, at the bottom of the left side of the mixed material inlet, of the material guiding channel body, a sieve plate and a material stirring mechanism are arranged at the position of the heavy impurity sorting area, and the material stirring mechanism is used for stirring impurities on the sieve plate. The guide channel body is provided with an air inducing pipe below the heavy impurity separation area, the lower portion of the air inducing pipe is connected with an air locking and ash discharging device, materials with different specific gravities can be effectively separated through the specific gravity difference and the wind power effect, precise separation of light impurities and heavy impurities is guaranteed, and the product quality is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment technical field, concretely is a winnowing and impurity removing equipment. BACKGROUND

[0002] In industrial production, such as grain winnowing, biomass particle factory sawdust impurity removal and pine nut particle factory, material screening and impurity removal are the key links to ensure product quality and production efficiency.

[0003] The existing equipment often cannot simultaneously consider the separation of heavy impurities and the winnowing of light impurities when processing mixed materials, resulting in that the sorting precision and efficiency are difficult to meet the high standard requirements of modern industrial production, especially in the field of grain processing and biomass energy, the mixed foreign matters such as iron filings, plastics and glass in the material not only affect the product quality, but also may cause damage to the production equipment, increasing the maintenance cost.

[0004] This is because the traditional screening and impurity removal equipment has many limitations when processing complex materials, such as screen hole blockage, insufficient winnowing precision and inability to effectively separate materials with small specific gravity difference, which not only reduces the operation efficiency of the equipment, but also may cause resource waste and energy consumption increase in the production process. SUMMARY

[0005] To solve the above technical problems, the utility model relates to a winnowing and impurity removing equipment, which is simple and reliable, effectively solves the above technical problems, and is suitable for popularization and use.

[0006] The winnowing and impurity removing equipment comprises a shell, the shell comprises a material guiding channel main body which is tapered from top to bottom, the material guiding channel main body is in the shape of an inverted trapezoidal funnel, a mixed material inlet is formed in the right inclined side wall of the material guiding channel main body, the mixed material inlet is used for inputting impurity materials, a vertical pipe is connected to the top right side area of the material guiding channel main body, an air equalizing and guiding mechanism is arranged in the vertical pipe, a dust removal interface is arranged at the top of the vertical pipe, a heavy impurity sorting area is arranged at the left bottom area of the material guiding channel main body at the mixed material inlet, a sieve plate and a material stirring mechanism are arranged at the heavy impurity sorting area, the sieve plate has a plurality of mesh holes arranged in a rectangular array, the material stirring mechanism is used for stirring the impurities on the sieve plate, an air guiding pipe is arranged below the material guiding channel main body at the heavy impurity sorting area, an air inlet is formed in the left side wall of the air guiding pipe, and a gas locking and ash discharging device is connected below the air guiding pipe.

[0007] On the basis of the above scheme and as a preferred scheme of the above scheme: the mixed material inlet is connected to the vertical pipe in communication through a curved feeding pipe, the curved feeding pipe is inclined downward from the outside of the shell to the opening of the right inclined side wall.

[0008] As a preferred scheme of the above scheme and on the basis of the above scheme: the top left area of the material guiding passage main body is provided with an arc-shaped baffle, one end of the arc-shaped baffle is connected with the bottom end of the left side plate of the vertical pipeline, and the other end of the arc-shaped baffle is connected with the top end of the left inclined side plate of the material guiding passage main body.

[0009] As a preferred scheme of the above scheme and on the basis of the above scheme: the material stirring mechanism comprises rotating shafts and driving motors, the rotating shafts are arranged in parallel, one end of each rotating shaft is connected with the output shaft of the driving motor fixed to the outside of the material guiding passage main body, each rotating shaft is connected with a material stirring rod, the axis direction of the material stirring rod is perpendicular to the axis direction of the rotating shaft, and the material stirring rods are arranged at intervals along the axis direction of the rotating shaft.

[0010] As a preferred scheme of the above scheme and on the basis of the above scheme: the air inlet of the air inlet pipe is provided with an air volume adjusting valve.

[0011] As a preferred scheme of the above scheme and on the basis of the above scheme: the air guiding mechanism comprises guide plates, the guide plates are arranged at intervals in the left-right direction on the inner side of the vertical pipeline, and the middle part of each guide plate is bent to the right to form a convex part.

[0012] Compared with the prior art, the device has the following beneficial and outstanding technical effects: different materials with different specific gravities can be effectively separated through the specific gravity difference and the wind force effect, the accurate separation of light impurities and heavy impurities is ensured, the product quality is significantly improved, the heavy impurity separation area position can effectively prevent the material from accumulating and blocking at the bottom, the stability and continuity of the equipment operation are ensured, the optimized air separation design and the air locking and ash discharging device reduce unnecessary energy consumption, significantly reduce the equipment operation cost, and the device is suitable for various industrial scenes such as grain air separation, biomass particle factory wood chip impurity removal, pine nut particle factory and the like, foreign matters such as iron filings, plastics and glass in the material are removed, the purity and quality of the final product are ensured, the high standard requirements of modern industrial production are met, the production efficiency and economic benefits can be significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall structure of the device;

[0014] Figure 2 is a schematic diagram of the rear view of the device;

[0015] Figure 3 is a schematic diagram of the internal section of the device. DETAILED DESCRIPTION

[0016] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. However, the specific implementation methods and embodiments described below are for illustrative purposes only and are not intended to limit the present invention.

[0017] In the description of this utility model, it should be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the appendix. Figure 1 The directions or positional relationships shown are for the purpose of describing this utility model only, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0018] In the description of this application, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated.

[0019] To solve the above technical problems, such as Figures 1-3 As shown, this utility model designs an air-separation impurity removal device, including a housing. The housing includes a guide channel body 1 that gradually narrows from top to bottom. The guide channel body 1 is in the shape of an inverted trapezoidal funnel. A mixed material inlet 2 is opened on the right inclined side wall of the guide channel body 1. The mixed material enters the guide channel body 1 through the mixed material inlet 2. A vertical pipe 3 is connected to the top right area of ​​the guide channel body 1. An air distribution and guiding mechanism is provided inside the vertical pipe 3. A dust removal interface 5 is provided at the top of the vertical pipe 3. A heavy impurity sorting zone is set in the bottom left area of ​​the guide channel body 1 at the mixed material inlet 2. A sieve plate 6 and a material feeding mechanism are set in the heavy impurity sorting zone. The screen plate 6 has several mesh holes arranged in a rectangular array. The material-pushing mechanism is used to push the impurities on the screen plate 6. In the main body of the material guide channel 1, the heavy impurities sink to the screen plate 6 due to gravity. The screen plate 6 screens the material. The material-pushing mechanism prevents blockage and ensures smooth screening. The main body of the material guide channel 1 is provided with an air duct 7 below the heavy impurity sorting area. The air duct 7 has an air inlet 8 on the left side wall. The wind blows the light impurities from bottom to top into the vertical pipe 3. The airflow guiding mechanism makes the airflow flow evenly into the dust removal interface 5. The dust removal interface 5 is connected to the dust removal equipment to process the airflow. The air lock ash discharge device 9 is connected below the air duct 7. After the heavy impurities fall through the screen plate 6, they are discharged from the equipment through the air lock ash discharge device 9.

[0020] By the difference in specific gravity and the effect of wind, different specific gravity materials can be effectively separated, ensuring the accurate separation of light impurities and heavy impurities, significantly improving product quality, and the heavy impurity separation area can effectively prevent material accumulation and blockage at the bottom, ensuring the stability and continuity of the equipment operation. The optimized air separation design and air lock dust discharging device 9 reduces unnecessary energy consumption, significantly reduces equipment operating costs, and is suitable for a variety of industrial scenarios such as grain air separation, biomass particle factory wood chip impurity removal, pine nut particle factory, etc. By removing iron filings, plastic, glass and other foreign matter in the material, it ensures the purity and quality of the final product, meets the high standard requirements of modern industrial production, and can significantly improve production efficiency and economic benefits.

[0021] It is worth mentioning that the conventional air lock dust discharging device 9 is used in this embodiment, and its specific working mode is that the electric drive system drives the impeller rotor in the transmission box to rotate, the blades 10 of the impeller contact the material during rotation, and the material is discharged from the shell through the raking action. The material falls into the ash conveying system uniformly under the action of gravity, realizes continuous and stable unloading, effectively isolates the direct contact between air and dust during the unloading process, prevents dust flying and secondary pollution, and maintains the negative pressure state inside the dust collector

[0022] Further preferably in this embodiment, the mixed material inlet 2 is connected and communicated with the vertical pipe 3 through a curved feeding pipe 11, which extends downward from the outside of the shell to the right inclined side wall opening. Through reasonable inclination angle design, the material can smoothly enter the equipment.

[0023] Further preferably in this embodiment, the top left area of the material guiding passage main body 1 is provided with an arc-shaped baffle 12, one end of which is connected with the bottom end of the left side plate of the vertical pipe 3, and the other end is connected with the top end of the left inclined side plate of the material guiding passage main body 1. The arc-shaped baffle 12 can play a certain buffering role, reduce the direct impact of the material on the inner wall of the equipment, and reduce the wear of the equipment.

[0024] Further preferably in the embodiment, the material stirring mechanism comprises rotating shafts 13 and a driving motor 14, the rotating shafts 13 are arranged in parallel, one end of the rotating shaft 13 is connected with the output shaft of the driving motor 14 fixed outside the material guiding passage main body 1, each rotating shaft 13 is connected with a material stirring rod 15, the axis direction of the material stirring rod 15 is perpendicular to the axis direction of the rotating shaft 13, a plurality of material stirring rods 15 are arranged uniformly along the axis direction of the rotating shaft 13, the rotation of the material stirring rod 15 can continuously stir the material, avoid the material from piling up and blocking on the sieve plate 6, ensure the smooth operation of the screening process, through continuously stirring the material, the material stirring mechanism can make the material more uniformly distributed on the sieve plate 6, improve the screening efficiency, the design of the material stirring mechanism can adapt to different characteristics of the material, ensure that the screening effect is still good when processing sticky or easy-to-agglomerate material.

[0025] Further preferably in the embodiment, an air volume adjusting valve (not shown in the figure) is preferably installed at the air inlet 8 of the air guiding pipe 7, the air volume adjusting valve can flexibly adjust the air volume entering the equipment according to the characteristics of the material and the sorting requirement, ensure that the winnowing effect reaches the best, through adjusting the air volume, the equipment can adapt to the material with different specific gravity and particle size, has wide applicability.

[0026] Further preferably in the embodiment, the air uniformizing and guiding mechanism comprises guiding plates 4, a plurality of the guiding plates 4 are arranged uniformly along the left-right direction inside the vertical pipeline 3, the middle part of the guiding plate 4 is bent to the right side to form a convex part, the design of the guiding plate 4 can make the air volume uniformly distributed in the vertical pipeline 3, avoid that the local air volume is too large or too small, improve the uniformity and stability of the winnowing, the curved structure of the guiding plate 4 can make the guiding path curved, thereby colliding and dispersing the inhaled material, effectively separate the large specific gravity substances that are adhered, further improve the sorting precision.

[0027] It is worth noting that the air locking and ash discharging device, the motor, the air volume adjusting valve and other technical features involved in the utility model patent application should be regarded as prior art, the specific structure, working principle and possible control mode and spatial arrangement mode of these technical features can be selected conventionally in the art, should not be regarded as the invention point of the utility model patent, the utility model patent will not be further expanded and described in detail.

[0028] The above embodiment is only a preferred embodiment of the utility model, and does not limit the protection scope of the utility model, therefore: equivalent changes made by the person skilled in the art according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. An air separation device, characterized by: The utility model provides a kind of dust removal device for mixed material, including shell, the shell includes material guiding passage main body that is tapered from top to bottom, the material guiding passage main body is inverted trapezoidal funnel, mixture material inlet is set on the right inclined side wall of the material guiding passage main body, the mixture material inlet is used to input impurity material, vertical pipe is connected with the top right area of the material guiding passage main body, the inside of the vertical pipe is equipped with air uniformity guide mechanism, dust removal interface is equipped on the top of the vertical pipe, the material guiding passage main body is provided with heavy impurity sorting area in the left bottom area of mixture material inlet, the heavy impurity sorting area position is provided with sieve plate and poking mechanism, the sieve plate has several rectangular array distribution meshes, the poking mechanism is used to stir impurity on sieve plate, the material guiding passage main body is provided with air duct below heavy impurity sorting area, air inlet is opened in the left side wall position of the air duct, lock gas ash discharging device is connected below the air duct.

2. A device for air-borne impurity removal according to claim 1, characterized in that: The mixture material inlet is connected with the vertical pipe through a curved feed pipe, the curved feed pipe extends downwardly from the outside of the shell to the opening of the right inclined side wall.

3. A device for air-borne impurity removal according to claim 1, characterized in that: The top left area of the material guiding passage main body is provided with arc baffle, one end of the arc baffle is connected with the bottom end of the left side plate of the vertical pipe, the other end of the arc baffle is connected with the top end of the left inclined side plate of the material guiding passage main body.

4. The air-borne impurity removal apparatus according to claim 1, characterized in that: The poking mechanism includes rotating shaft and driving motor, two rotating shafts are arranged in parallel, one end of the rotating shaft is connected with the output shaft of the driving motor fixed to the outside of the material guiding passage main body, each rotating shaft is connected with poking rod, the axis direction of the poking rod is perpendicular to the axis direction of the rotating shaft, and a plurality of poking rods are evenly arranged along the axis direction of the rotating shaft.

5. A device for air-borne impurity removal according to claim 1, characterized in that: The air inlet position of the air duct is provided with air volume regulating valve.

6. A device for air-borne impurity removal according to claim 1, characterized in that: The air uniformity guide mechanism includes guide plate, a plurality of guide plates are evenly arranged on the inside of the vertical pipe along left-right direction, the middle part of the guide plate is curved to the right side to form convex part.

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