Drying device for preparing wettable powder pesticide

Abstract

The utility model provides a drying device for preparing wettable powder pesticide, which relates to the field of pesticide preparation and comprises a drying machine body, a drying chamber and an air distribution plate, the drying chamber is arranged at the top of the drying machine body, the air distribution plate is arranged at the top of the drying machine body in the drying chamber, and two groups of arc-shaped guide plates are arranged on two sides of the top of the air distribution plate. The two sets of arc-shaped guide plates are located at the right-angle connecting positions of the air distribution plate and the inner wall of the drying chamber correspondingly, and a screen is arranged between the arc-shaped guide plates at the top of the air distribution plate. The screen with fine and dense meshes is arranged above the air distribution plate, so that the problem of material loss or blockage of an air inlet system caused by the fact that part of pesticide particles easily penetrate through the meshes of the air distribution plate to fall down is solved, the design of gradually changing the aperture of the air distribution plate is adopted, and the aperture is properly increased in the area close to the air inlet end; therefore, the pressure loss of the air flow in the flowing process is compensated, the fluidization state of the whole bed layer is uniform and stable, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of pesticide preparation especially relates to a kind of drying device for wettable powder pesticide preparation. BACKGROUND

[0002] Wettable powder pesticide is made of pesticide raw drug, filler and humectant, dispersant and other aids by processing and crushing, can be applied by spray, scattering and other ways, suitable for different crops and pest control scene;

[0003] In the preparation process of wettable powder pesticide, drying device is needed to dry wettable powder pesticide, remove moisture in wettable powder pesticide, the model specification of existing drying device is numerous, including fluidized bed drying device as shown in Figure 1 The existing problems of the drying device are: 1. During the vibration and movement of the existing material on the air distribution plate, the material in contact with the right-angle inner wall is prone to vertical falling and accumulation at the corners, resulting in uneven distribution and uneven heating of the material, and small-pore material is prone to leakage from the air distribution plate, causing the air inlet system to be blocked; 2. The air distribution plate of the existing fluidized bed drying device has mostly the same air hole diameter, and in actual use, the same air hole diameter design can cause pressure loss during the flow of hot air, resulting in uneven distribution of hot air and increased energy consumption. UTILITY MODEL CONTENTS

[0004] The utility model aims to solve the following problems existing in the prior art: to solve the problem of uneven heating of material accumulation at the corners during drying of material by the existing fluidized bed drying device, and the problem of airflow pressure loss in the air inlet system.

[0005] To solve the problems existing in the prior art, the utility model provides a drying device for wettable powder pesticide preparation, which comprises a drying machine body, a drying chamber and an air distribution plate, the top of the drying machine body is provided with a drying chamber, the top of the drying machine body inside the drying chamber is provided with an air distribution plate, both sides of the top of the air distribution plate are provided with two groups of arc-shaped guide plates, the two groups of arc-shaped guide plates are respectively located at the right-angle junction of the air distribution plate and the inner wall of the drying chamber, and a screen is arranged between the arc-shaped guide plates on the top of the air distribution plate.

[0006] The screen is connected with the arc-shaped guide plates through a limiting structure, and the limiting structure comprises a limiting groove and a limiting strip.

[0007] The limiting groove is located at the inner side of the arc-shaped guide plate, the length of the limiting groove is consistent with the length of the air distribution plate and the arc-shaped guide plate, the thickness of the limiting groove is greater than the thickness of the screen, and the limiting strips are located at the top and bottom of the limiting groove, and the gaps between the screen and the top and bottom of the limiting groove are filled by the limiting strips.

[0008] Further, the inside of the air distribution plate is provided with a plurality of groups of air holes, the hot air generated by the drying assembly in the dryer body passes through the air holes and the air distribution plate to enter the drying chamber, and the air holes adopt a gradually changing hole diameter design.

[0009] Further, the length of the screen is consistent with the length of the air distribution plate, and there is a certain spacing between the bottom of the screen and the air distribution plate.

[0010] Further, the surface of one side of the drying chamber is provided with a sealing door, the surface of the sealing door is provided with a handle, and the sealing door is connected with the inside of the drying chamber after being opened.

[0011] Further, the surface of the dryer body is provided with a vibration motor, and the bottom of the dryer body is provided with a buffer base on both sides, and the air distribution plate and the screen are driven to vibrate by the vibration generated by the vibration motor.

[0012] Further, the other side of the top of the drying chamber is provided with a feeding port communicating with the inside of the drying chamber, and one side of the inside of the drying chamber is provided with a discharging port, and the discharging port is located at the bottom of the tail end of the air distribution plate and the screen.

[0013] Compared with the prior art, the beneficial effects of the present application are:

[0014] In the use process of the present application, when the vibrating material contacts the inclined arc-shaped guide plate, it will be inclined and slide down to the screen, solving the problem that the existing material contacts the right-angle inner wall and is easy to fall vertically and accumulate in the corner, thereby being unevenly heated and dried. The fine-mesh screen solves the problem that some pesticide particles easily pass through the air distribution plate mesh and fall, resulting in material loss or clogging of the air inlet system. The gradually changing air distribution plate hole diameter design appropriately increases the hole diameter in the area close to the air inlet end to compensate for the pressure loss of the airflow during the flow process, ensuring that the fluidization state of the entire bed layer is uniform and stable, and increasing the practicality of the device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a partial structure diagram of the prior art;

[0016] Figure 2 It is a cross-sectional structure diagram of the drying chamber of the present application;

[0017] Figure 3 It is the whole structure schematic view of the utility model;

[0018] Figure 4 It is the screen local structure schematic view of the utility model;

[0019] Figure 5 It is the cloth air distribution board local structure schematic view of the utility model;

[0020] Figure 6 It is the local structure schematic view of the utility model A place;

[0021] Reference signs: 1, dryer body; 2, drying chamber; 3, cloth air distribution board; 4, arc guide plate; 5, screen; 6, sealing door; 7, air hole; 8, limiting groove; 9, limiting strip. DETAILED DESCRIPTION

[0022] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific drawings, but the following examples are only preferred examples of the utility model, not all. Based on the examples in the embodiments, other examples obtained by those skilled in the art without creative labor all belong to the protection scope of the present application.

[0023] The specific embodiments of the utility model are described below in combination with the drawings.

[0024] Example 1

[0025] As Figures 1-6 shown, a wettable powder pesticide preparation drying device, including dryer body 1, drying chamber 2 and cloth air distribution board 3, the top of dryer body 1 is equipped with drying chamber 2, the top of dryer body 1 inside drying chamber 2 is equipped with cloth air distribution board 3, both sides of the top of cloth air distribution board 3 are equipped with two sets of arc guide plates 4, two sets of arc guide plates 4 are respectively located at the right angle joint of cloth air distribution board 3 and the inner wall of drying chamber 2, screen 5 is arranged between the arc guide plates 4 of the top of cloth air distribution board 3;

[0026] Screen 5 is connected with arc guide plate 4 through limiting structure, and the limiting structure includes limiting groove 8 and limiting strip 9;

[0027] Limiting groove 8 is located at the inner side of arc guide plate 4, the length of limiting groove 8 is consistent with the length of cloth air distribution board 3 and arc guide plate 4, the thickness of limiting groove 8 is greater than the thickness of screen 5, limiting strip 9 is located at the top and bottom in limiting groove 8, and the gap between screen 5 and the top and bottom of limiting groove 8 is filled through limiting strip 9.

[0028] Principle: The staff will be wettable powder pesticide particles through the inlet into the drying chamber 2, the material into the drying chamber 2 after falling on the screen 5, through the drying assembly in the drying machine body 1 hot air after the wind hole through the cloth wind plate 3 and the screen 5 mesh into the drying chamber 2 in the material drying, through the vibration motor start after the vibration driven cloth wind plate 3 and screen 5 vibration, through the vibration of the material movement, until from the tail end of the screen 5 vibration through the discharge outlet, thus completing the wettable powder pesticide particles drying work, use process, when the vibration of the material contact with the inclined surface of the arc guide plate 4 will tilt down to the screen 5, solve the existing material and the right angle of the inner wall after the contact is easy to fall vertically accumulated in the corner and thus unevenly heated drying problem, through the fine mesh screen 5 design solves the existing part of the pesticide particles easy to pass through the cloth wind plate 3 mesh down to cause material loss or block the air inlet system problem, through the use of gradually changing cloth wind plate 3 aperture design, in the area close to the air inlet end aperture is appropriately increased, to compensate for the pressure loss of airflow in the flow process, ensure the uniform and stable fluidized state of the whole bed, through the limiting strip 9 and limiting groove 8 on the screen 5 limiting, the staff need only through the handle to open the sealing door 6 after pulling the screen 5 can drive it in the limiting groove 8 sliding until the pull out drying chamber 2 outside, facilitate the staff to clean the screen 5 or according to the demand to replace the screen 5 with different aperture size, increase the practicability of the device.

[0029] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A drying device for preparing a wettable powder pesticide, comprising a drying machine body (1), characterized in that: The top of the drying machine body (1) is provided with a drying chamber (2), the top of the drying machine body (1) inside the drying chamber (2) is provided with a cloth air distribution plate (3), both sides of the top of the cloth air distribution plate (3) are provided with two groups of arc-shaped guide plates (4), the two groups of arc-shaped guide plates (4) are respectively located at the right angle joint of the cloth air distribution plate (3) and the inner wall of the drying chamber (2), the arc-shaped guide plates (4) between the top of the cloth air distribution plate (3) are provided with a screen (5). The screen (5) is connected with the arc-shaped guide plate (4) through Limiting structure The limiting structure is connected with the arc-shaped guide plate (4) and comprises a limiting groove (8) and a limiting strip (9). The limiting groove (8) is located on the inner side of the arc-shaped guide plate (4). The length of the limiting groove (8) is consistent with the lengths of the air distribution plate (3) and the arc-shaped guide plate (4). The thickness of the limiting groove (8) is greater than the thickness of the screen (5). The limiting strip (9) is located on the top and the bottom of the limiting groove (8). The limiting strip (9) fills the gaps between the screen (5) and the top and the bottom of the limiting groove (8).

2. The drying device for preparing a wettable powder pesticide according to claim 1, characterized in that: The inside of the cloth air distribution plate (3) is provided with a plurality of groups of air holes (7), the hot air generated by the drying assembly in the drying machine body (1) enters the drying chamber (2) through the air holes (7) and the cloth air distribution plate (3), the air holes (7) adopt a gradually changing hole diameter design, and the hole diameter is appropriately increased in the air inlet end area close to the drying assembly in the drying machine body (1).

3. The drying device for preparing a wettable powder pesticide according to claim 1, characterized in that: The length of the screen (5) is consistent with the length of the cloth air distribution plate (3), and there is a certain spacing between the bottom of the screen (5) and the cloth air distribution plate (3).

4. The drying device for preparing a wettable powder pesticide according to claim 1, characterized in that: The surface of one side of the drying chamber (2) is provided with a sealing door (6), the surface of the sealing door (6) is provided with a handle, and the inside of the drying chamber (2) is communicated with the inside of the drying chamber (2) after the sealing door (6) is opened.

5. The drying device for preparing a wettable powder pesticide according to claim 1, characterized in that: The surface of the drying machine body (1) is provided with a vibration motor, both sides of the bottom of the drying machine body (1) are provided with a buffer base, and the cloth air distribution plate (3) and the screen (5) are driven by the vibration generated by the vibration motor to vibrate the pesticide particles.

6. The drying device for preparing a wettable powder pesticide according to claim 1, characterized in that: The other side of the top of the drying chamber (2) is provided with a feeding port communicating with the inside of the drying chamber (2), one side of the inside of the drying chamber (2) is provided with a discharging port, and the discharging port is located at the bottom of the tail end of the cloth air distribution plate (3) and the screen (5). The other side of the top of the drying chamber (2) is provided with a feeding port communicating with the inside of the drying chamber (2), one side of the inside of the drying chamber (2) is provided with a discharging port, and the discharging port is located at the bottom of the tail end of the cloth air distribution plate (3) and the screen (5).

Images