Barite powder drying device

Abstract

This utility model belongs to the technical field of drying equipment, specifically disclosing a barite powder drying device, including a drying tank. A feed pipe is fixedly connected to the top of the drying tank, and a discharge pipe is fixedly connected to the bottom. A motor is fixedly connected to the top of the drying tank, and the motor shaft passes through the top of the drying tank and is fixedly connected to a stirring shaft. Several stirring blades are fixedly connected to the stirring shaft, arranged in a spiral downwards at intervals. Several heating rods are fixedly connected to the inner wall of the drying tank, and a temperature probe is connected to the inner wall of the drying tank. A hot air pipe is connected to the outer side of the lower part of the drying tank, and several air nozzles are connected to the inner side. The air nozzles are connected to the hot air pipe, and air nozzles are connected to the bottom of the air nozzles. This utility model uses spirally arranged stirring blades, and the rotation direction is controlled by a forward and reverse rotating motor. During drying, the barite powder is stirred upwards, improving the drying effect and efficiency; during discharge, the barite powder is stirred downwards, increasing the discharge speed.

Description

Technical Field

[0001] This utility model belongs to the technical field of drying equipment, specifically a barite powder drying device. Background Technology

[0002] Barite powder is a non-metallic mineral powder with barium sulfate as its main component. It possesses core characteristics such as high density, low hardness, high whiteness, and excellent chemical stability (acid and alkali resistance, insoluble in water), making it a key functional material in the industrial field. Drying is a crucial step in its processing chain. The core objective is to remove free water (or water of crystallization) from the wet powder, reducing the moisture content from 15%-30% (wet powder after mineral processing) to 0.5%-2% (finished product requirement). This prevents clumping during storage and moisture absorption during transportation, while also ensuring the dispersibility and performance stability of subsequent applications (such as coatings, drilling fluids, and plastic fillers).

[0003] Existing drying equipment stirs the barite powder during drying to promote moisture evaporation. However, in existing equipment, the agitator blades are on a single plane, which causes inconvenience when the barite powder falls. Furthermore, the single heating drying method is inefficient, leading to longer processing times. Therefore, a new barite powder drying device needs to be developed to meet these requirements. Utility Model Content

[0004] To address the above technical problems, this utility model provides a barite powder drying device.

[0005] To solve the above technical problems, the technical solution adopted by this utility model is as follows: a barite powder drying device, including a drying tank, a feed pipe fixedly connected to the top of the drying tank and a discharge pipe fixedly connected to the bottom of the drying tank, a motor fixedly connected to the top of the drying tank, the motor shaft passing through the top of the drying tank and fixedly connected to a stirring shaft, a plurality of stirring blades fixedly connected to the stirring shaft, the stirring blades being arranged in a spiral downwards at intervals, a plurality of heating rods fixedly connected to the inner wall of the drying tank, a temperature probe connected to the inner wall of the drying tank, a filter pipe connected to the top of the drying tank, an air outlet pipe connected to the top of the filter pipe, a fan connected to the top of the air outlet pipe, an exhaust port provided on the fan, a hot air pipe connected to the outer side of the lower part of the drying tank and a plurality of air nozzles connected to the inner side, the air nozzles being connected to the hot air pipe, an air nozzle connected to the bottom of the air nozzles, and an air inlet connected to the hot air pipe.

[0006] Furthermore, a support is connected to the bottom of the drying tank.

[0007] Furthermore, a first gate valve is provided on the feed pipe, and a second gate valve is provided on the discharge pipe.

[0008] Furthermore, both the first gate valve and the second gate valve are electrically controlled gate valves.

[0009] Furthermore, a lid is connected to the top of the drying tank, and the feed pipe, motor, and filter pipe are all connected to the lid.

[0010] Furthermore, lifting rings are fixedly connected to both sides of the can lid.

[0011] Furthermore, the filter tube is fixedly connected to multiple layers of dust filter cloth, and the air permeability of these dust filter cloths decreases sequentially from bottom to top.

[0012] Furthermore, a feed hopper is fixedly connected to the top of the feed pipe.

[0013] This utility model has the following advantages compared with the prior art:

[0014] 1. This utility model is equipped with spirally arranged stirring blades, and the rotation direction is controlled by a forward and reverse motor. During drying, the barite powder is stirred upward, improving the drying effect and efficiency. During discharge, the barite powder is stirred downward, increasing the discharge speed. A hot air pipe is installed, and hot air is blown into the drying tank through the hot air pipe and nozzle, which can improve the drying efficiency. A filter pipe is installed to prevent barite powder from escaping due to stirring, reducing waste and avoiding environmental pollution.

[0015] 2. This utility model is equipped with a first slide gate valve and a second slide gate valve, which is beneficial for controlling the feeding and discharging of materials and facilitating drying.

[0016] 3. This utility model is equipped with a can lid and a lifting ring on the can lid, which can be used to lift the can lid for easy maintenance. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model.

[0018] Figure 2 This is a schematic diagram of the internal structure of this utility model.

[0019] Figure 3 This is a schematic diagram of the electric heating rod structure of this utility model.

[0020] The components are as follows: 1. Drying tank, 2. Feed pipe, 3. Discharge pipe, 4. First gate valve, 5. Feed hopper, 6. Second gate valve, 7. Tank cover, 8. Hot air pipe, 9. Lifting ring, 10. Support, 11. Motor, 12. Filter pipe, 13. Air outlet pipe, 14. Fan, 15. Exhaust vent, 16. Dust filter cloth, 17. Stirring shaft, 18. Stirring blade, 19. Air nozzle, 20. Air nozzle, 21. Heating rod, 22. Temperature probe. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings.

[0022] like Figures 1-3 The barite powder drying device shown includes a drying tank 1. A feed pipe 2 is fixedly connected to the top of the drying tank 1, and a discharge pipe 3 is fixedly connected to the bottom. A motor 11 is fixedly connected to the top of the drying tank 1. The rotating shaft of the motor 11 passes through the top of the drying tank 1 and is fixedly connected to a stirring shaft 17. Several stirring blades 18 are fixedly connected to the stirring shaft 17. The stirring blades 18 are arranged in a spiral downwards at intervals. Several heating rods 21 are fixedly connected to the inner wall of the drying tank 1. A temperature probe 22 is connected to the inner wall of the drying tank 1. A filter pipe 12 is connected to the top of the drying tank 1. An air outlet pipe 13 is connected to the top of the filter pipe 12. A fan 14 is connected to the top of the air outlet pipe 13. The fan 14 is provided with an exhaust port 15. A hot air pipe 8 is connected to the outer side of the lower part of the drying tank 1, and several air nozzles 19 are connected to the inner side. The air nozzles 19 are connected to the hot air pipe 8. An air nozzle 20 is connected to the bottom of the air nozzles 19. An air inlet is connected to the hot air pipe 8. The air inlet of the hot air pipe 8 is connected to a hot air generating device.

[0023] For ease of support, a support bracket 10 is connected to the bottom of the drying tank 1.

[0024] To facilitate the control of loading and unloading, a first gate valve 4 is installed on the feed pipe 2, and a second gate valve 6 is installed on the discharge pipe 3.

[0025] For ease of control, both the first slide gate valve 4 and the second slide gate valve 6 are electrically controlled slide gate valves.

[0026] For ease of maintenance, the top of the drying tank 1 is connected to the tank cover 7, and the feed pipe 2, motor 11, and filter pipe 12 are all connected to the tank cover 7.

[0027] To facilitate lifting, lifting rings 9 are fixedly connected to both sides of the can lid 7.

[0028] To improve the dust filtration effect, multiple layers of dust filter cloth 16 are fixedly connected to the filter tube 12, and the air permeability of these dust filter cloths 16 decreases from bottom to top.

[0029] To facilitate feeding, a feeding hopper 5 is fixedly connected to the top of the feeding pipe 2.

[0030] The specific working process of this utility model is as follows:

[0031] During operation, the first gate valve 4 is opened, and wet barite powder is fed into the drying tank 1 through the feed pipe 2. The first gate valve 4 is then closed, and the heating rod 21 and motor 11 are turned on. At this time, the motor 11 rotates counterclockwise, and the fan 14 is turned on to draw air. Hot air is introduced into the hot air pipe 8 of the hot air generator box. The hot air enters the air nozzle 19 from the hot air pipe 8 and then enters the drying tank 1 through the air nozzle 20. The air nozzle 20 serves as a one-way ventilation to prevent barite powder from flowing back into the air nozzle 19. When the motor 11 stirs counterclockwise, it drives the stirring shaft 17 to rotate counterclockwise, causing the barite powder to move upwards. The trend improves the drying effect. At this time, the temperature probe 22 detects the temperature. When the barite powder has low humidity, some barite powder will fly up due to stirring. At this time, the barite powder is blocked by the dust filter cloth 16 in the filter tube 12, thereby reducing the dispersion. The three-layer dust filter cloth 16 has a good filtering effect, and the dust will not affect the fan 14. When the barite powder is taken out, the second slide valve 6 is opened, and the material flows out from the discharge pipe 3. At this time, the reverse motor 11 causes the stirring shaft 17 to rotate clockwise. The spiral stirring blades 18 make the barite powder have a downward trend, which facilitates the unloading.

[0032] During maintenance, use lifting equipment to hook the lifting ring 9 and lift the tank cover 7 for maintenance.

Claims

1. A barite powder drying device, comprising a drying tank (1), wherein a feed pipe (2) is fixedly connected to the top of the drying tank (1) and a discharge pipe (3) is fixedly connected to the bottom, characterized in that: A motor (11) is fixedly connected to the top of the drying tank (1). The shaft of the motor (11) passes through the top of the drying tank (1) and is fixedly connected to a stirring shaft (17). Several stirring blades (18) are fixedly connected to the stirring shaft (17). The stirring blades (18) are arranged in a spiral downwards at intervals. Several heating rods (21) are fixedly connected to the inner wall of the drying tank (1). A temperature probe (22) is connected to the inner wall of the drying tank (1). The top of the drying tank (1) is connected to... A filter pipe (12) is provided, and an air outlet pipe (13) is connected to the top of the filter pipe (12). A fan (14) is connected to the top of the air outlet pipe (13). An exhaust port (15) is provided on the fan (14). A hot air pipe (8) is connected to the outer side of the lower part of the drying tank (1), and several air nozzles (19) are connected to the inner side. The air nozzles (19) are connected to the hot air pipe (8). An air nozzle (20) is connected to the bottom of the air nozzle (19). An air inlet is connected to the hot air pipe (8).

2. The barite powder drying apparatus according to claim 1, wherein: The bottom of the drying tank (1) is connected to a support (10).

3. The barite powder drying apparatus according to claim 1, wherein: The feed pipe (2) is equipped with a first gate valve (4), and the discharge pipe (3) is equipped with a second gate valve (6).

4. The barite powder drying apparatus according to claim 3, wherein: Both the first gate valve (4) and the second gate valve (6) are electrically controlled gate valves.

5. The barite powder drying apparatus of claim 1, wherein: The top of the drying tank (1) is connected to a tank cover (7), and the feed pipe (2), motor (11), and filter pipe (12) are all connected to the tank cover (7).

6. The barite powder drying apparatus of claim 5, wherein: The can lid (7) is fixedly connected to two lifting rings (9) on both sides.

7. The barite powder drying apparatus of claim 1, wherein: The filter tube (12) is fixedly connected with multiple layers of dust filter cloth (16), and the air permeability of these dust filter cloths (16) decreases sequentially from bottom to top.

8. The barite powder drying apparatus of claim 1, wherein: The top of the feed pipe (2) is fixedly connected to the feed hopper (5).

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