Powder drying device for preparing attapulgite powder for sandy soil remediation
By using a simultaneous heating method of multiple heating blocks and heating rods in the powder preparation and concave rod powder drying device, and combining with a stirring device, the problems of uneven heating during powder drying are solved, and the drying effect is significantly improved.
Patent Information
- Application Number
- CN202421870861.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-05
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-08-05
AI Technical Summary
The existing powder drying device for preparing concave and convex rod powder is prone to cause powder agglomeration during the drying process, and the heating is uneven, and the drying effect is poor.
A drying device including a drying box, a plurality of uniformly distributed heating blocks and heating rods is designed. By heating simultaneously inside and outside the drying box, the powder is fully stirred by using the stirring blocks and stirring rods to avoid agglomeration.
The uniform heating of the concave and convex rod powder is achieved, the heating area is expanded, the heating effect and efficiency are improved, the powder is agglomerated, and the drying effect is significantly improved.
Smart Images
Figure CN222849670U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of attapulgite powder preparation, in particular to a powder drying device for preparing attapulgite powder for sandy soil restoration. Background Art
[0002] For degraded soil, how to improve soil quality, alleviate soil acidification and salinization, prevent and control soil heavy metal pollution, reduce the spread of soil-borne diseases and increase crop yields are important issues that need to be addressed. The main way to repair soil degradation is to use soil conditioners, which can effectively improve the physical and chemical properties of the soil and the soil nutrient status, and have a positive impact on soil microorganisms, thereby improving the productivity of degraded soil. At present, soil conditioners have problems such as high cost, poor durability, single function and long soil improvement cycle;
[0003] Attapulgite clay is a hydrated magnesium-aluminum silicate clay mineral with a 2:1 structure. It has a unique rod-shaped crystal structure that can effectively improve soil structure and soil compaction caused by poor water and fertilizer management. Attapulgite has a large specific surface area and abundant internal nanopores, which can not only buffer soil acidity and alkalinity, but also improve soil water and fertilizer retention, while fixing heavy metals in the soil and adjusting the structure of soil microbial communities. Moreover, attapulgite is rich in various trace elements such as Ca, Mg, Fe, Si, etc. required for plant growth and development. These trace elements can well make up for the nutrient shortcomings of the soil itself and effectively improve the quality and yield of crops:
[0004] After the attapulgite powder is processed into powder, the moisture content inside it needs to be controlled, so it needs to be dried by a drying device. However, the existing attapulgite powder preparation powder drying device usually heats the air inside the drying box by a heating rod in the drying box to dry the attapulgite powder. However, the attapulgite powder is easy to clump inside the drying box, and the heating is not uniform, resulting in poor drying effect. Utility Model Content
[0005] The utility model aims to provide a powder drying device for preparing attapulgite powder for desertified soil restoration, which has the characteristics of more uniform heating of attapulgite powder, enlarged heating area, improved heating effect and efficiency, and good drying effect.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a powder drying device for preparing attapulgite powder for desertified soil remediation, comprising a drying box, the inner wall of the drying box is provided with a cavity, a plurality of evenly distributed heating blocks are provided inside the cavity, a middle column is fixedly connected to the inner bottom end of the drying box, the outer wall of the middle column is rotatably connected to two upper and lower distributed rotating drums through a bearing, the outer walls of the two rotating drums are fixedly connected to two symmetrically arranged fixing rods, the other ends of the plurality of fixing rods are fixedly connected to stirring blocks, a connecting rod is fixedly connected between the two fixing rods on the same side, and the outer wall of the connecting rod is fixedly connected to a plurality of evenly distributed stirring rods.
[0007] In order to drive the stirring block and the stirring rod to rotate, as a preferred powder drying device for preparing attapulgite powder for desertified soil remediation of the utility model, two vertical poles are fixedly connected to the upper end surface of the upper rotating drum, and the top ends of the two vertical poles are fixedly connected to connecting blocks. A motor is installed on the top of the drying box, and the output end of the motor extends to the interior of the drying box and is fixedly connected to the connecting block.
[0008] In order to improve the heating effect, as a preferred embodiment of the powder drying device for preparing attapulgite powder for desertified soil remediation of the utility model, a heating rod is arranged inside the middle column.
[0009] In order to facilitate feeding and discharging, as a preferred powder drying device for preparing attapulgite powder for desertified soil remediation of the utility model, the top and bottom of the drying box are respectively provided with a feeding port and a discharging port, and there are two discharging ports.
[0010] In order to improve the heat insulation effect of the surface wall of the drying box, as a preferred embodiment of the powder drying device for preparing attapulgite powder for desertified soil remediation of the utility model, the outer wall of the drying box is provided with a heat insulation layer.
[0011] In order to facilitate the control of the operating equipment, as a preferred powder drying device for preparing attapulgite powder for desertified soil remediation of the utility model, the heating block and the heating rod are both electrically connected to the external control system.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] The attapulgite powder is introduced into the interior of the drying box through the feed port, and multiple heating blocks and heating rods are started. The multiple heating blocks are located in the cavity inside the drying box, and the heating rod is located in the middle column in the middle of the drying box, so that the attapulgite powder can be heated from the outside and the inside at the same time, so that the attapulgite powder is heated more evenly, the heating area is expanded, and the heating effect and efficiency are improved. At the same time, when the motor is started, the connecting block is driven to rotate, and the connecting block drives the upper rotating drum to rotate through two vertical rods, and the two rotating drums are connected as a whole through a fixed rod and a connecting rod, thereby driving multiple stirring blocks and stirring rods to rotate at the same time, fully stirring the attapulgite powder, avoiding caking of the attapulgite powder, and allowing the attapulgite powder to be fully heated, further improving the heating effect and efficiency, and achieving a good drying effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is the overall internal structure diagram of the utility model;
[0015] Figure 2 This is a cross-sectional structural diagram of the center column of the utility model;
[0016] Figure 3 It is a partial three-dimensional structural diagram of the utility model.
[0017] In the figure: 1. Drying box; 2. Heating block; 3. Middle column; 4. Rotating drum; 5. Fixed rod; 6. Stirring block; 7. Connecting rod; 8. Stirring rod; 9. Vertical rod; 10. Connecting block; 11. Motor; 12. Heating rod; 13. Feed inlet; 14. Discharge outlet. DETAILED DESCRIPTION
[0018] See also Figures 1 to 3 A powder drying device for preparing attapulgite powder for desertified soil remediation comprises a drying box 1, the inner wall of the drying box 1 is provided with a cavity, a plurality of evenly distributed heating blocks 2 are arranged inside the cavity, a middle column 3 is fixedly connected to the inner bottom end of the drying box 1, the outer wall of the middle column 3 is rotatably connected to two rotating drums 4 distributed up and down through a bearing, the outer walls of the two rotating drums 4 are fixedly connected to two symmetrically arranged fixing rods 5, the other ends of the plurality of fixing rods 5 are fixedly connected to stirring blocks 6, a connecting rod 7 is fixedly connected between the two fixing rods 5 on the same side, and a plurality of evenly distributed stirring rods 8 are fixedly connected to the outer wall of the connecting rod 7.
[0019] In this embodiment: the attapulgite powder is introduced into the interior of the drying box 1 through the feed port 13, and multiple heating blocks 2 and heating rods 12 are started. The multiple heating blocks 2 are located in the cavity inside the drying box 1, and the heating rods 12 are located inside the central column 3 in the middle of the drying box 1, so that the attapulgite powder can be heated from the outside and the inside at the same time, so that the attapulgite powder is heated more evenly, the heating area is expanded, and the heating effect and efficiency are improved. At the same time, when the motor 11 is started, the connecting block 10 is driven to rotate, and the connecting block 10 drives the upper rotating drum 4 to rotate through the two vertical rods 9, and the two rotating drums 4 are connected as a whole through the fixing rod 5 and the connecting rod 7, thereby driving the multiple stirring blocks 6 and the stirring rod 8 to rotate at the same time, fully stirring the attapulgite powder, avoiding the caking of the attapulgite powder, and making the attapulgite powder fully heated, further improving the heating effect and efficiency, and achieving a good drying effect.
[0020] As a technical optimization solution of the utility model, two vertical poles 9 are fixedly connected to the upper end surface of the upper rotating drum 4, and the top ends of the two vertical poles 9 are fixedly connected to connecting blocks 10. A motor 11 is installed on the top of the drying box 1, and the output end of the motor 11 extends to the interior of the drying box 1 and is fixedly connected to the connecting block 10.
[0021] In this embodiment: when the motor 11 is started, the connecting block 10 is driven to rotate, and the connecting block 10 drives the upper rotating drum 4 to rotate through the two vertical rods 9, and the two rotating drums 4 are connected as a whole through the fixing rod 5 and the connecting rod 7, thereby driving multiple stirring blocks 6 and stirring rods 8 to rotate simultaneously, so as to fully stir the attapulgite powder.
[0022] As a technical optimization solution of the present invention, a heating rod 12 is arranged inside the center column 3 .
[0023] In this embodiment: a heating rod 12 is provided inside the middle column 3, and the heating rod 12 is located inside the middle column 3 in the middle of the drying box 1, so that the attapulgite powder can be heated from the outside and the inside at the same time in cooperation with multiple heating blocks 2, so that the attapulgite powder is heated more evenly.
[0024] As a technical optimization solution of the present invention, a feed port 13 and a discharge port 14 are respectively provided at the top and the bottom of the drying box 1, and two discharge ports 14 are provided.
[0025] In this embodiment, the feeding port 13 and the discharging port 14 are provided to facilitate feeding and discharging. Two discharging ports 14 are provided to make discharging more thorough.
[0026] As a technical optimization solution of the present invention, the outer wall of the drying box 1 is provided with a heat insulation layer.
[0027] In this embodiment: the outer wall of the drying box 1 is provided with a heat insulation layer to improve the heat insulation effect of the drying box 1 and avoid heat loss.
[0028] As a technical optimization solution of the present invention, the heating block 2 and the heating rod 12 are both electrically connected to the external control system.
[0029] In this embodiment, the heating block 2 and the heating rod 12 are both electrically connected to an external control system, thereby facilitating operation and control of the device.
[0030] Working principle: the attapulgite powder is introduced into the interior of the drying box 1 through the feed port 13, and multiple heating blocks 2 and heating rods 12 are started. The multiple heating blocks 2 are located in the cavity inside the drying box 1, and the heating rods 12 are located inside the central column 3 in the middle of the drying box 1, so that the attapulgite powder can be heated from the outside and the inside at the same time, so that the attapulgite powder is heated more evenly, the heating area is expanded, and the heating effect and efficiency are improved. At the same time, when the motor 11 is started, the connecting block 10 is driven to rotate, and the connecting block 10 drives the upper rotating drum 4 to rotate through two vertical rods 9, and the two rotating drums 4 are connected as a whole through the fixing rod 5 and the connecting rod 7, thereby driving multiple stirring blocks 6 and stirring rods 8 to rotate at the same time, fully stirring the attapulgite powder, avoiding the caking of the attapulgite powder, and making the attapulgite powder fully heated, further improving the heating effect and efficiency, and achieving a good drying effect.
[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A powder drying device for preparing attapulgite powder for desertified soil remediation, comprising a drying oven (1), characterized in that: The inner wall of the drying box (1) is provided with a cavity, and a plurality of evenly distributed heating blocks (2) are provided inside the cavity. A middle column (3) is fixedly connected to the inner bottom end of the drying box (1), and the outer wall of the middle column (3) is rotatably connected to two rotating drums (4) distributed up and down via a bearing. The outer walls of the two rotating drums (4) are fixedly connected to two symmetrically arranged fixed rods (5), and the other ends of the plurality of fixed rods (5) are fixedly connected to stirring blocks (6). A connecting rod (7) is fixedly connected between the two fixed rods (5) located on the same side, and the outer wall of the connecting rod (7) is fixedly connected to a plurality of evenly distributed stirring rods (8).
2. The powder drying device for preparing attapulgite powder for desertified soil remediation according to claim 1, characterized in that: Two vertical rods (9) are fixedly connected to the upper end surface of the upper rotating drum (4), and the top ends of the two vertical rods (9) are fixedly connected to connecting blocks (10). A motor (11) is installed on the top of the drying box (1), and the output end of the motor (11) extends into the interior of the drying box (1) and is fixedly connected to the connecting block (10).
3. The powder drying device for preparing attapulgite powder for desertified soil remediation according to claim 1, characterized in that: A heating rod (12) is arranged inside the middle column (3).
4. The powder drying device for preparing attapulgite powder for desertified soil remediation according to claim 1, characterized in that: The top and bottom of the drying box (1) are respectively provided with a feed port (13) and a discharge port (14), and two discharge ports (14) are provided.
5. The powder drying device for preparing attapulgite powder for desertified soil remediation according to claim 1, characterized in that: The outer wall of the drying box (1) is provided with a heat insulation layer.
6. The powder drying device for preparing attapulgite powder for desertified soil remediation according to claim 3, characterized in that: The heating block (2) and the heating rod (12) are both electrically connected to an external control system.