Screening equipment for filtering impurities in flour production
By designing a screening device for filtering impurities in flour production, the problem of dust scattering was solved by utilizing negative pressure dust extraction and screening structure, achieving efficient collection of dust and straw and clean transportation of wheat.
Patent Information
- Application Number
- CN202520473529.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Existing equipment often causes dust to scatter everywhere during the wheat impurity removal process, affecting the working environment and efficiency.
A screening device for filtering impurities in flour production has been designed, comprising a processing box, a dust collection box, a bag filter, a screen, and a belt conveyor. Through negative pressure dust collection and screening structure, dust and straw are collected and filtered respectively, reducing dust dispersion.
It effectively collects and removes dust and straw, reduces dust scattering, and improves the cleanliness of the working environment and the efficiency of wheat screening.
Smart Images
Figure CN223931981U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of flour production technology, specifically to a sieving device for filtering impurities in flour production. Background Technology
[0002] After wheat enters the flour mill, it contains a lot of straw and wheat bran, so it needs to be cleaned and impurities removed. Some existing equipment tends to scatter the dust carried by the wheat in all directions during the impurity removal process. In order to solve this problem, this application proposes a new type of screening equipment. Utility Model Content
[0003] In view of the shortcomings of the existing technology, this utility model provides a screening device for filtering impurities in flour production, which minimizes the spread of dust.
[0004] To achieve the above objectives, this utility model is implemented through the following technical solution: a screening device for filtering impurities in flour production, including a processing box, an inlet on the upper side of the processing box, a dust extraction box connected to the left side of the processing box via a dust extraction pipe, a bag filter in the dust extraction box, and a discharge pipe at the bottom of the dust extraction box.
[0005] The processing box is equipped with a screen, and the side of the processing box is equipped with a material receiving door located above the screen. A material discharge mechanism is located on the left side of the processing box.
[0006] Preferably, the inner side of the processing box is provided with an inclined plate located below the dust extraction pipe.
[0007] Preferably, the screen diameter is slightly larger than the diameter of the wheat.
[0008] Preferably, the discharge mechanism includes a discharge port on the right side of the processing box, and a belt conveyor is provided below the screen, with the right end of the belt conveyor extending to the outside of the processing box through the discharge port.
[0009] Preferably, the right side of the processing box has an air inlet corresponding to the dust extraction pipe, and a filter cloth is provided on the air inlet.
[0010] This utility model provides a screening device for filtering impurities in flour production, which has the following beneficial effects:
[0011] This flour production impurity filtration screening equipment can blow away dust from wheat during screening. The dust and straw are collected through a dust extraction box and discharged through a discharge pipe after screening. The screen can filter out any straw that was not removed, making it easier for the wheat to be transported to the next process via a belt conveyor. It is convenient to remove dust from wheat during use, minimizing the occurrence of dust flying around. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this utility model;
[0013] Figure 2 This is a frontal cross-sectional view of the present invention.
[0014] In the diagram: 1. Processing box; 2. Feed inlet; 3. Dust extraction pipe; 4. Dust extraction box; 5. Bag dust collector; 6. Screen; 7. Feed gate; 8. Inclined plate; 9. Discharge port; 10. Belt conveyor; 11. Air inlet; 12. Filter cloth; 13. Discharge pipe. Detailed Implementation
[0015] The present invention will be further described below with reference to specific embodiments, such as... Figures 1 to 2 As shown:
[0016] Example 1: A screening device for filtering impurities in flour production includes a processing box 1, a feed inlet 2 on the upper side of the processing box 1, a dust collection box 4 connected to the left side of the processing box 1 via a dust collection pipe 3, a bag filter 5 in the dust collection box 4, and a discharge pipe 13 at the bottom of the dust collection box 4 with a valve on the discharge pipe 13.
[0017] Wheat enters the processing box 1 through the feed inlet 2. When the bag dust collector 5 is collecting dust, it creates a negative pressure, drawing the dust and straw in the processing box 1 into the dust collection box 4. After screening, the dust, straw and other foreign objects can be discharged from the discharge pipe 13.
[0018] The processing box 1 is equipped with a screen 6. Through the setting of the screen 6, some straw that is not removed is filtered onto the screen 6. The processing box 1 is equipped with a material receiving door 7 located above the screen 6 on the side. The straw that is screened out is removed through the material receiving door 7. The processing box 1 is equipped with a discharge mechanism on the left side. The wheat that has been dusted and screened is discharged through the discharge mechanism.
[0019] Example 2: A screening device for filtering impurities in flour production includes a processing box 1, a feed inlet 2 on the upper side of the processing box 1, a dust collection box 4 connected to the left side of the processing box 1 via a dust collection pipe 3, a bag filter 5 in the dust collection box 4, and a discharge pipe 13 at the bottom of the dust collection box 4.
[0020] Wheat enters the processing box 1 through the feed inlet 2. When the bag dust collector 5 is collecting dust, it creates a negative pressure, drawing the dust and straw in the processing box 1 into the dust collection box 4. After screening, the dust, straw and other foreign objects can be discharged from the discharge pipe 13.
[0021] The right side of the processing box 1 is provided with an air inlet 11 corresponding to the dust extraction pipe 3, and a filter cloth 12 is provided on the air inlet 11.
[0022] With the air inlet 11 in place, when the air is drawn out through the air inlet 11, the wind can be blown directly onto the wheat, so as to blow the dust in the wheat to the dust extraction pipe 3.
[0023] The inside of the processing box 1 is provided with an inclined plate 8 located below the dust extraction pipe 3, so that dust can fall onto the inclined plate 8 and slide into the dust extraction box 4.
[0024] The processing box 1 is equipped with a screen 6, the diameter of which is slightly larger than that of wheat to facilitate the passage of wheat. Through the setting of the screen 6, some straw that is not removed is filtered onto the screen 6. The processing box 1 is equipped with a material receiving door 7 located above the screen 6 on the side. The straw that is screened out is removed through the material receiving door 7. The processing box 1 is equipped with a discharge mechanism on the left side. The wheat that has been dusted and screened is discharged through the discharge mechanism.
[0025] The discharge mechanism includes a discharge port 9 opened on the right side of the processing box 1, and a belt conveyor 10 is provided below the screen 6. The right end of the belt conveyor 10 extends to the outside of the processing box 1 through the discharge port 9.
[0026] After the wheat falls onto the belt conveyor 10, it can be transported to the outside of the processing box 1 for the next process.
[0027] Working principle:
[0028] Wheat freshly delivered to the flour mill is fed into processing box 1 through inlet 2. With the setting of bag dust collector 5, a negative pressure is formed in dust collection box 4, and outside air enters processing box 1 through air inlet 11. Thus, after the wheat enters processing box 1, the dust in the wheat is blown to the left side of inclined plate 8, so that the wheat and the accompanying straw can enter dust collection box 4 through dust collection pipe 3. After the work is completed, the dust and straw are discharged from discharge pipe 13. The wheat that has passed through dust removal is filtered through screen 6, and the straw that was not removed is filtered out. The wheat then falls through screen 6 onto belt conveyor 10 and is discharged from processing box 1.
[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A sieving device for filtering impurities in flour production, comprising a processing box (1), characterized in that: The processing box (1) is provided with a feed inlet (2) on the upper side. A dust collection box (4) is connected to the left side of the processing box (1) via a dust collection pipe (3). A bag dust collector (5) is provided in the dust collection box (4). A discharge pipe (13) is provided at the bottom of the dust collection box (4). The processing box (1) is equipped with a screen (6), and the processing box (1) is equipped with a material receiving door (7) located above the screen (6) on the side. The processing box (1) is equipped with a material discharge mechanism on the left side.
2. The sieving equipment for filtering impurities in flour production according to claim 1, characterized in that: The processing box (1) has an inclined plate (8) located below the dust extraction pipe (3) on its inner side.
3. The sieving equipment for filtering impurities in flour production according to claim 1, characterized in that: The diameter of the sieve (6) is slightly larger than that of wheat.
4. The sieving equipment for filtering impurities in flour production according to claim 1, characterized in that: The discharge mechanism includes a discharge port (9) on the right side of the processing box (1), and a belt conveyor (10) is provided below the screen (6). The right end of the belt conveyor (10) extends to the outside of the processing box (1) through the discharge port (9).
5. A sieving device for filtering impurities in flour production according to claim 1, characterized in that: The processing box (1) has an air inlet (11) on the right side corresponding to the dust extraction pipe (3), and a filter cloth (12) is provided on the air inlet (11).