Grain dust removal device for grain processing
By designing a grain dust removal device for grain processing, a blower and a dust collection mechanism are used to separate and collect dust from grains, solving the problem of dust rising in existing technologies and achieving a highly efficient dust removal effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-03-20
AI Technical Summary
In existing grain processing equipment, dust outside the absorption area is easily stirred up during dust removal, resulting in poor dust removal efficiency.
Design a grain dust removal device for grain processing. A blower blows the grain into a parabolic trajectory and drops it. A dust collection mechanism collects the dust. A partition separates the grain and dust into different chambers for dust removal. The dust collector collects the dust through a main pipe and branch pipes.
It achieves a good sealing effect for dust removal, reduces dust from grains in the air, and improves dust removal efficiency.
Smart Images

Figure CN224010457U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of grain, specifically is grain dust removal device for grain processing. BACKGROUND
[0002] Grain is generally summarized as grain, and the grain is rich in nutrients, mainly including protein, vitamins, dietary fiber, fat, starch and the like, since dust and chaff are usually attached to the surface of the grain, the grain needs to be de-dusted and de-husked during preliminary processing, so as to remove impurities on the surface of the grain, so as to improve the quality of the grain.
[0003] According to the search, the patent with the Chinese patent application number 201721800279.7 discloses a grain dust removal device for grain processing, which comprises a dust removal bin, a dust hopper is arranged at the top end of the dust removal bin, a dust suction mechanism is arranged on the dust removal bin, two partition plates are arranged in the dust removal bin, and the dust removal bin is divided into three barrier chambers, a receiving plate is arranged below the dust hopper, a blower is arranged on one side of the dust removal bin close to the dust hopper, and an air conveying pipeline is connected to the output end of the blower and extends into the dust removal bin, so that the grain falling from the dust hopper is blown towards the dust suction mechanism and is de-dusted by the dust suction mechanism. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of the prior art, the utility model provides a grain dust removal device for grain processing, which has the advantages of good sealing performance and less dust raising, and solves the technical problem of poor dust removal effect caused by dust floating in the air outside the absorption area.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a grain dust removal device for grain processing, which comprises a dust removal bin, a dust hopper is arranged at the top end of the dust removal bin, a dust suction mechanism is arranged on the dust removal bin, two partition plates are arranged in the dust removal bin, and the dust removal bin is divided into three barrier chambers, a receiving plate is arranged below the dust hopper, a blower is arranged on one side of the dust removal bin close to the dust hopper, and an air conveying pipeline is connected to the output end of the blower and extends into the dust removal bin, so that the grain falling from the dust hopper is blown towards the dust suction mechanism and is de-dusted by the dust suction mechanism.
[0006] Further, the receiving plate is inclined upward from right to left at one end close to the partition plate.
[0007] Further, the height of the partition plate on the right is higher than that of the partition plate on the left.
[0008] Further, the dust suction mechanism comprises a dust collector arranged on the dust removal bin, a total pipe is connected to the dust suction end of the dust removal bin, a plurality of branch pipes are arranged on the total pipe, and a plurality of the branch pipes extend into the dust removal bin.
[0009] Further, a discharge pipe is arranged below each of the three barrier chambers.
[0010] Further, a rotating shaft is arranged in the hopper, a plurality of baffles are uniformly arranged on the rotating shaft, a driving motor is arranged on the hopper, and the output shaft of the driving motor is coaxially connected with the rotating shaft.
[0011] Compared with the prior art, the technical scheme has the beneficial effects that: the grain is blown by the air blower to form a parabolic drop, the dust floats in the air due to the different mass of the grain and the dust, and the dust is collected by the dust suction mechanism, so that the dust removal is realized while reducing the dust floating in the air caused by the grain. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a structural schematic view of the utility model;
[0013] Figure 2 It is a structural sectional view of the utility model;
[0014] Figure 3 It is the utility model Figure 1 It is an enlarged view of structure A.
[0015] In the figure: 1, dust removal bin; 2, baffle; 3, discharge pipe; 4, receiving plate; 5, air blower; 6, air conveying pipe; 7, hopper; 8, rotating shaft; 9, baffle; 10, driving motor; 11, screen; 12, dust collector; 13, total pipe; 14, branch pipe. DETAILED DESCRIPTION
[0016] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.
[0017] Please refer to Figures 1-3 A grain dust removal device for grain processing in the embodiment comprises a dust removal bin 1, a hopper 7 is arranged at the top end of the dust removal bin 1, a dust suction mechanism is arranged on the dust removal bin 1, two baffles 2 are arranged in the dust removal bin 1 at intervals, so that the dust removal bin 1 is divided into three barrier chambers, a receiving plate 4 is arranged below the hopper 7, an air blower 5 is arranged on one side of the dust removal bin 1 close to the hopper 7, and the output end of the air blower 5 is connected with an air conveying pipe 6 extending into the dust removal bin 1, so that the grain falling from the hopper 7 is blown towards the dust suction mechanism and is subjected to dust removal treatment by the dust suction mechanism, and a screen 11 is arranged in the air conveying pipe 6 to prevent the grain from falling into the air conveying pipe 6 and causing pipe blockage.
[0018] The utility model discloses, the grain is added to the dust removal bin 1 from hopper 7 to drop to the material receiving plate 4, then the grain is blown by the air blower 5, and the smaller dust floats in the control and is absorbed and collected by the dust collection mechanism, and the grain of heavy volume falls into the blocking chamber that is relatively close to the material receiving plate 4 due to gravity, and the chaff is blown into the blocking chamber of the left end and is collected, so that the dust in the grain is cleaned up in the sealed space without dust raising.
[0019] Preferably, as another embodiment of the utility model, the material receiving plate 4 is inclined from right to left towards the upper side at one end close to the baffle 2.
[0020] The utility model discloses, in order to form parabola when the grain is blown, make dust float in the dust removal bin 1 of blocking chamber longer.
[0021] Preferably, as another embodiment of the utility model, the baffle 2 located at the right side is higher than the baffle 2 located at the left side.
[0022] The utility model discloses, the baffle 2 at the right side can block the heavier grain, and the baffle 2 at the left side can block the lighter and unsatisfied grain.
[0023] Preferably, as another embodiment of the utility model, the dust collection mechanism includes the dust collector 12 arranged on the dust removal bin 1, and the dust suction end of the dust removal bin 1 is connected with the main pipe 13, a plurality of branch pipes 14 are arranged on the main pipe 13, and the plurality of branch pipes 14 extend into the dust removal bin 1.
[0024] The utility model discloses, by starting the dust collector 12, produce suction, make dust that floats in the dust removal bin 1 pass branch pipe 14 transmission main pipe 13 then in the dust collector 12 and collect.
[0025] Preferably, as another embodiment of the utility model, the dust removal bin 1 is connected with the main pipe 13, and the main pipe 13 is connected with the dust collector 12.
[0026] The utility model discloses, in order to grain can be discharged from the dust removal bin 1.
[0027] Preferably, as another embodiment of the utility model, the hopper 7 is provided with a rotating shaft 8, a plurality of baffles 9 are evenly arranged on the rotating shaft 8, a driving motor 10 is arranged on the hopper 7, and the output shaft of the driving motor 10 is coaxially connected with the rotating shaft 8.
[0028] The utility model discloses, by starting driving motor 10 and driving rotating shaft 8 rotation, rotating shaft 8 drives rotation, so that the grain orderly and slowly falls on the material receiving plate 4 and carries out dust removal work, prevent the grain from falling too much and thus exceed the wind load, lead to dust removal failure.
[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A grain dust removal device for grain processing, comprising a dust removal bin (1), wherein a hopper (7) is provided at the top of the dust removal bin (1), and a dust collection mechanism is provided on the dust removal bin (1), characterized in that: The dust removal chamber (1) is divided into three isolation chambers by two partitions (2) spaced apart. A receiving plate (4) is provided below the hopper (7). A blower (5) is provided on the side of the dust removal chamber (1) near the hopper (7). The output end of the blower (5) is connected to an air supply pipe (6) that extends into the dust removal chamber (1). The grain falling from the hopper (7) is blown towards the dust collection mechanism and the dust collection mechanism performs dust removal.
2. The grain dust removal device for grain processing according to claim 1, characterized in that: The receiving plate (4) is inclined upward from right to left at the end near the partition (2).
3. The grain dust removal device for grain processing according to claim 1, characterized in that: The partition (2) located on the right is higher than the partition (2) located on the left.
4. A grain dust removal device for grain processing according to claim 1, characterized in that: The dust collection mechanism includes a vacuum cleaner (12) installed on the dust collection chamber (1). A main pipe (13) is connected to the dust collection end of the dust collection chamber (1). A plurality of branch pipes (14) are installed on the main pipe (13), and the plurality of branch pipes extend into the dust collection chamber (1).
5. A grain dust removal device for grain processing according to claim 1, characterized in that: Each of the three barrier chambers is provided with a discharge pipe (3).
6. A grain dust removal device for grain processing according to claim 1, characterized in that: The hopper (7) is provided with a rotating shaft (8), and multiple baffles (9) are evenly distributed on the rotating shaft (8). The hopper (7) is provided with a drive motor (10), and the output shaft of the drive motor (10) is coaxially connected to the rotating shaft (8).
Citation Information
Patent Citations
Dust collector for grain processing
CN207887594U