Gravel winnowing and powder removing machine

Abstract

The sandstone winnowing and powder removing machine comprises a winnowing box, a plurality of winnowing partition plates are fixedly connected to the interior of the winnowing box, a communication opening is formed in one side of the winnowing box, a high-pressure fan is fixedly connected to one side of the communication opening, an abutting plate is fixedly connected to the bottom wall of the winnowing box, and the abutting plate is fixedly connected to the bottom wall of the winnowing box. The upper end of the abutting plate is fixedly connected with one side of the bottommost winnowing partition plate, a discharging opening is formed in the lower surface of the winnowing box, an air pipe is fixedly connected to the lower end of the winnowing box, an air screen box is fixedly connected to the lower end of the winnowing box, and mounting plates are fixedly connected to the four inner walls of the air screen box. The upper end of the mounting plate is fixedly connected with a spring, and the upper end of the spring is fixedly connected with a screening net plate. The winnowing separation plate and the high-pressure fan are arranged to carry out winnowing and powder removal on gravel, and the winnowed gravel is subjected to winnowing and screening again through the air pipe, the air screening box, the mounting plate, the spring and the screening net plate, so that powder removal is more thorough.

Description

Technical Field

[0001] This utility model relates to the field of building materials technology, specifically to a sand and gravel air classifier and de-dust collector. Background Technology

[0002] A wind classifier dust removal machine with application number "CN202321269136.3" integrates the air pressure chamber and the wind classifier dust removal chamber into a single structure to achieve dust removal treatment of crushed sand and gravel materials before screening and grading, thereby improving screening efficiency. It is simple and convenient. In addition, this utility model sets a wind classifier insert plate on the wind classifier partition, so that the material is evenly spread on the partition, increasing the contact surface and improving the dust removal efficiency. By controlling the blower air volume and dust collection air volume, the amount of powder can be precisely controlled to obtain finished fine sand with different powder contents.

[0003] However, when the above scheme is used, the high-pressure airflow in the air pressure chamber is directly discharged after the dust removal is achieved, and it is impossible to perform secondary air separation and dust removal on the sand and gravel, resulting in poor sand and gravel air separation quality. Utility Model Content

[0004] The purpose of this utility model is to provide a sand and gravel air classifier and de-dust collector, which can perform air classification and de-dust collection on sand and gravel through air classifier baffles and high-pressure blowers, and further perform air classification and screening on the sand and gravel after air classification through air ducts, air screen boxes, mounting plates, springs and screening screens, so as to make the de-dust collection more thorough.

[0005] To achieve the above objectives, a sand and gravel air classifier and de-dust collector is provided, including an air classifier box. Several air classifier partitions are fixedly connected inside the air classifier box. A communication port is opened on one side of the air classifier box. A high-pressure blower is fixedly connected to one side of the communication port. An abutment plate is fixedly connected to the bottom wall of the air classifier box. The upper end of the abutment plate is fixedly connected to one side of the bottommost air classifier partition.

[0006] The lower surface of the air classifier box is provided with a feeding port. An air duct is fixedly connected to the lower end of the air classifier box. An air sieve box is fixedly connected to the lower end of the air classifier box. Mounting plates are fixedly connected to the four inner walls of the air sieve box. A spring is fixedly connected to the upper end of the mounting plate. A screening screen plate is fixedly connected to the upper end of the spring.

[0007] According to the aforementioned sand and gravel air classifier and de-powdering machine, a feed pipe is fixedly connected to the upper end of the air classifier box.

[0008] According to the aforementioned sand and gravel air classifier and de-dust collector, the air classifier baffle includes an inclined plate, and a first air guide plate and a second air guide plate are fixedly connected to the lower end of the inclined plate. The first air guide plate, the second air guide plate, and the inclined plate form a triangular shape.

[0009] According to the aforementioned sand and gravel air classifier and de-dust collector, the bottom of the air classifier box is fixedly connected with a first inclined block and a second inclined block.

[0010] According to the aforementioned sand and gravel air classifier and de-dust collector, a partition plate is fixedly connected to the bottom wall of the air classifier box.

[0011] According to the aforementioned sand and gravel air classifier and de-powdering machine, a discharge port is provided on one side of the air screen box.

[0012] According to the aforementioned sand and gravel air classifier and de-powdering machine, a feed pipe is fixedly connected to the lower end of the air classifier box.

[0013] According to the aforementioned sand and gravel air classifier and de-dust collector, support feet are fixedly connected to the four corners of the lower end of the air classifier box.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This sand and gravel air classifier and de-dust collector uses air classifier baffles and high-pressure blowers to air classify and de-dust sand and gravel. The air-classified sand and gravel is then air-classified and screened again through air ducts, air screen boxes, mounting plates, springs, and screening screens to make the de-dust removal more thorough.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 This is a perspective view of a sand and gravel air classifier and de-powdering machine according to the present invention;

[0019] Figure 2 This is a cross-sectional view of a sand and gravel air classifier and de-powdering machine according to the present invention;

[0020] Figure 3 For the present utility model Figure 2 Enlarged view of point A in the middle;

[0021] Figure 4 This is a schematic diagram of the structure of the air separation baffle of a sand and gravel air separation and de-powdering machine according to the present invention.

[0022] In the diagram: 1. Air separator box; 2. Feed pipe; 3. Air separator baffle; 4. High-pressure blower; 5. Connecting port; 6. Abutment plate; 7. First inclined block; 8. Second inclined block; 9. Divider plate; 10. Discharge port; 11. Air duct; 12. Discharge pipe; 13. Air separator box; 14. Mounting plate; 15. Spring; 16. Screening screen plate; 17. Discharge port; 18. Support foot; 31. Inclined plate; 32. First air guide plate; 33. Second air guide plate. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-4 This utility model provides a technical solution: a sand and gravel air classifier and de-dust collector, including an air classifier box 1, with a plurality of air classifier partitions 3 fixedly connected inside the air classifier box 1, a connecting port 5 opened on one side of the air classifier box 1, and a high-pressure blower 4 fixedly connected to one side of the connecting port 5. By setting the air classifier partitions 3 and the high-pressure blower 4, the sand and gravel are air-classified and de-dust collected. An abutment plate 6 is fixedly connected to the bottom wall of the air classifier box 1, and the upper end of the abutment plate 6 is fixedly connected to one side of the bottommost air classifier partition 3.

[0025] The lower surface of the air classifier box 1 is provided with a feeding port 10. The lower end of the air classifier box 1 is fixedly connected to an air duct 11 and an air screen box 13. The four inner walls of the air screen box 13 are fixedly connected to mounting plates 14. The upper end of the mounting plate 14 is fixedly connected to a spring 15, and the upper end of the spring 15 is fixedly connected to a screening screen plate 16. Through the air duct 11, air screen box 13, mounting plate 14, spring 15, and screening screen plate 16, the sand and gravel after air classification are further air-classified and screened to make the powder removal more thorough.

[0026] The upper end of the air classifier 1 is fixedly connected to the feed pipe 2. The air classifier partition 3 includes an inclined plate 31. The lower end of the inclined plate 31 is fixedly connected to a first air guide plate 32 and a second air guide plate 33. The first air guide plate 32, the second air guide plate 33 and the inclined plate 31 form a triangle. The bottom of the air classifier 1 is fixedly connected to a first inclined block 7 and a second inclined block 8. The bottom wall of the air classifier 1 is fixedly connected to a partition plate 9 to facilitate the separation of sand and powder. A discharge port 17 is opened on one side of the air classifier 13. The lower end of the air classifier 1 is fixedly connected to a discharge pipe 12 to facilitate the discharge of powder blown out by the airflow. Support feet 18 are fixedly connected at the four corners of the lower end of the air classifier 1 to support the air classifier 1.

[0027] Working principle: When in use, the power is turned on, and the sand and gravel enter the air classifier box 1 through the feed pipe 2. The high-pressure blower 4 is started, and the high-pressure blower 4 sends high-pressure airflow into the air classifier box 1. The high-pressure airflow passes through the gaps between multiple sets of air classifier baffles 3, and air classifies and removes the powder from the sand and gravel rolling downward on the air classifier baffles 3. The powder is discharged through the feed pipe 12, while the sand and gravel enter the air screen box 13 through the feed port 10. The air pipe 11 guides the air into the air screen box 13, and the sand and gravel roll downward through the screening screen plate 16. The airflow blows the sand and gravel to screen them. The screened powder is discharged through the bottom of the air screen box 13, while the sand and gravel is discharged through the discharge port 17, realizing the secondary air classification of sand and gravel.

[0028] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A sand and gravel air classifier and dust collector, comprising an air classifier box (1), characterized in that, The air separator (1) has several air separator partitions (3) fixedly connected inside. A communication port (5) is opened on one side of the air separator (1). A high-pressure blower (4) is fixedly connected to one side of the communication port (5). An abutment plate (6) is fixedly connected to the bottom wall of the air separator (1). The upper end of the abutment plate (6) is fixedly connected to one side of the bottommost air separator partition (3). The lower surface of the air classifier (1) is provided with a discharge port (10). The lower end of the air classifier (1) is fixedly connected to an air duct (11). The lower end of the air classifier (1) is fixedly connected to an air screen box (13). The four inner walls of the air screen box (13) are all fixedly connected to mounting plates (14). The upper end of the mounting plate (14) is fixedly connected to a spring (15). The upper end of the spring (15) is fixedly connected to a screening screen plate (16).

2. A sandstone air classifier de-duster as claimed in claim 1, characterized in that: The upper end of the air separator (1) is fixedly connected to the feed pipe (2).

3. A sandstone air classifier de-duster as claimed in claim 1, wherein: The air separator (3) includes an inclined plate (31), and a first air guide plate (32) and a second air guide plate (33) are fixedly connected to the lower end of the inclined plate (31). The first air guide plate (32), the second air guide plate (33) and the inclined plate (31) form a triangle.

4. A sandstone air classifier de-duster as claimed in claim 1, wherein: The bottom of the air separator (1) is fixedly connected to a first inclined block (7) and a second inclined block (8).

5. A sandstone air classifier de-duster as claimed in claim 1, wherein: The bottom wall of the air separator (1) is fixedly connected to a partition plate (9).

6. A sandstone air classifier de-duster as claimed in claim 1, wherein: The air screen box (13) has a discharge port (17) on one side.

7. A sandstone air classifier de-duster as claimed in claim 1, wherein: The lower end of the air separator (1) is fixedly connected to a feed pipe (12).

8. A sandstone air classifier de-duster as claimed in claim 1, wherein: The air separator (1) is fixedly connected to four support feet (18) at the lower corners.

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