Drying device for chemical production

Abstract

The utility model belongs to the technical field of chemical production equipment, specifically disclose a drying device for chemical production, including drying box, the inner top wall of drying box is fixedly connected with the deflector, the inner side wall of drying box is fixedly connected with four groups of heating pipe, the inside of drying box is provided with screening box, the inside of screening box is connected with screening net, the inner side wall of drying box is fixedly connected with two auxiliary blocks, the inside of each auxiliary block is all slidingly connected with the sliding block, and the side surface of each sliding block is all fixedly connected with the return spring. Through multiple components cooperation, it is convenient to replace according to material particle specification, and the adaptability is stronger, integrates drying and screening operation in the same drying box, need not after drying the material is transferred to additional screening equipment, avoids the material loss and pollution in the process of transfer, shortens the production cycle simultaneously, improves the overall production efficiency greatly, solves the core problem of low efficiency caused by the lack of screening function of the existing device.

Description

Technical Field

[0001] This utility model belongs to the field of chemical production equipment technology, specifically a drying device for chemical production. Background Technology

[0002] In chemical production processes, many materials, such as powdered or granular chemical raw materials, intermediates, or finished products, need to be dried to remove moisture or solvents from the materials in order to meet the requirements of subsequent processing, storage, or use.

[0003] Existing drying equipment used in chemical production lacks screening capabilities in practical applications. Chemical materials often exhibit uneven particle size before, during, or after drying, requiring additional transfer to screening equipment for further processing. This transfer process easily leads to material loss and contamination, while also extending the production cycle and reducing overall production efficiency. Therefore, it is necessary to design a device capable of preliminary screening and separating materials of different particle sizes during the drying process. Utility Model Content

[0004] To address the above technical problems, this utility model provides a device that can perform preliminary screening and separation of materials with different particle sizes during the drying process, thereby solving the problem that existing drying devices cannot screen raw materials, resulting in material loss and pollution, and also extending the production cycle.

[0005] To solve the above technical problems, the technical solution of this utility model is as follows: a drying device for chemical production, including a drying box, a guide plate fixedly connected to the inner top wall of the drying box, four sets of heating tubes fixedly connected to the inner side wall, a screening box arranged inside the drying box, a screening screen snapped into the screening box, two auxiliary blocks fixedly connected to the inner side wall of the drying box, a sliding block slidably connected inside each auxiliary block, a return spring fixedly connected to one side of each sliding block, and the other end of each return spring fixedly connected to the inner wall of the auxiliary block, two connecting plates fixedly connected to the bottom surface of the screening box, a transmission rod rotatably connected inside the drying box, two protrusions fixedly connected to the outer surface of the transmission rod, each protrusion contacting the side wall of the screening box, the transmission rod being driven by a servo motor, and a collection plate fixedly connected to the inner bottom wall of the drying box.

[0006] Furthermore, a door is movably hinged to one side of the drying oven, and an auxiliary handle is fixedly connected to one side of the door.

[0007] Furthermore, the upper surface of the drying chamber is fixedly connected to a feed inlet, and the outer surface of the feed inlet is threaded with a sealing cap.

[0008] Furthermore, an exhaust pipe is fixedly connected to the upper surface of the drying oven, and a vent valve is fixedly connected to the outer surface of the exhaust pipe.

[0009] Furthermore, each of the connecting plates is slidably connected to a fixing bolt inside, and the ends of the two fixing bolts that are far apart from each other extend into the interior of the sliding block and are threadedly connected to the sliding block.

[0010] Furthermore, the output end of the guide plate is located inside the screening box, and each set of heating tubes is fixedly connected to the four side walls inside the drying box.

[0011] Furthermore, the side wall of the drying oven is detachably connected with a baffle plate.

[0012] Furthermore, the servo motor is fixedly connected to one side of the drying oven, and the output end of the servo motor is fixedly connected to one end of the transmission rod.

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

[0014] This invention features multiple heating tubes that heat materials from multiple directions. A guide plate on the inner top wall guides the material to be evenly dispersed onto the screening mesh within the screening box, ensuring full contact between the material and the heat source. This prevents incomplete or excessive drying in certain areas, guaranteeing the drying quality of chemical materials and meeting subsequent processing and storage requirements. A servo motor drives a transmission rod to rotate, and protrusions on the transmission rod intermittently impact the connecting plate, causing the screening mesh to vibrate. Simultaneously, a sliding block within the auxiliary block cooperates with a return spring to ensure the screening mesh quickly returns to its original position after vibration, forming a stable reciprocating vibration screening action. This efficiently separates materials of different particle sizes. The screening mesh and screening box have a snap-fit ​​structure, facilitating replacement according to material particle size, enhancing adaptability. Integrating drying and screening operations into the same drying box eliminates the need to transfer materials to additional screening equipment after drying, avoiding material loss and contamination during transport. It also shortens the production cycle, significantly improving overall production efficiency and solving the core problem of low efficiency caused by the lack of screening functionality in existing devices. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a cross-sectional perspective structural diagram of the drying oven of this utility model;

[0017] Figure 3 This is a cross-sectional three-dimensional structural schematic diagram of the screening box of this utility model;

[0018] Figure 4 This is a three-dimensional structural schematic diagram of the transmission rod of this utility model, viewed from the rear section.

[0019] Figure 5 This is a cross-sectional three-dimensional structural schematic diagram of the grid plate of this utility model.

[0020] In the diagram: 1. Drying box, 2. Guide plate, 3. Heating tube, 4. Screening box, 5. Screening screen, 6. Auxiliary block, 7. Sliding block, 8. Return spring, 9. Connecting plate, 10. Transmission rod, 11. Protrusion, 12. Servo motor, 13. Collection plate, 14. Baffle plate, 15. Box door, 16. Auxiliary handle, 17. Feed inlet, 18. Sealing cover, 19. Exhaust pipe, 20. Vent valve, 21. Fixing bolt. Detailed Implementation

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

[0022] like Figures 1 to 5 The drying device shown includes a drying chamber 1. A guide plate 2 is fixedly connected to the inner top wall of the drying chamber 1. The guide plate 2 has three sides fixedly connected to the top of the drying chamber 1, with one side opening to guide materials into a screening box 4. For drying, four sets of heating pipes 3 are fixedly connected to the inner wall of the drying chamber 1, and are respectively located on the four sides of the drying chamber 1. For screening during the drying process, a screening box 4 is installed inside the drying chamber 1. A screening screen 5 is snapped into the inside of the screening box 4. Several retaining rings are provided at the bottom of the inner wall of the screening box 4, and retaining heads are provided on the screening screen 5 for snapping by pressing. Two auxiliary blocks 6 are fixedly connected to the inner wall of the drying chamber 1, and sliding grooves are provided on the two auxiliary blocks. Each auxiliary block 6... Sliding blocks 7 are slidably connected inside each of the drying boxes 1. A return spring 8 is fixedly connected to one side of each sliding block 7. The other end of each return spring 8 is fixedly connected to the inner wall of the auxiliary block 6. In order to connect the screening box 4 and the sliding block 7, two connecting plates 9 are fixedly connected to the bottom surface of the screening box 4. In order to drive the screening box 4 to vibrate and realize the screening function, a transmission rod 10 is rotatably connected inside the drying box 1. Two protrusions 11 are fixedly connected to the outer surface of the transmission rod 10. Each protrusion 11 is in contact with the side wall of the screening box 4. The protrusions 11 can rotate between the inner wall of the drying box 1 and the outer wall of the screening box 4. The protruding part of the protrusion 11 can push the screening box 4 to move. The transmission rod 10 is driven by a servo motor 12. A collection plate 13 is fixedly connected to the inner bottom wall of the drying box 1.

[0023] In order to facilitate the replacement of different screening screens 5 and to facilitate maintenance, a door 15 is movably hinged on one side of the drying box 1. The position of the door 15 corresponds to the position of the screening box 4. To facilitate opening the door, an auxiliary handle 16 is fixedly connected to one side of the door 15.

[0024] To facilitate the loading of materials for drying and screening, a feed inlet 17 is fixedly connected to the upper surface of the drying chamber 1. A sealing cover 18 is threaded onto the outer surface of the feed inlet 17. By setting the sealing cover 18, the interior of the drying chamber 1 can be relatively sealed, thereby improving the drying effect.

[0025] To avoid internal water vapor and gas pressure during the drying process, an exhaust pipe 19 is fixedly connected to the upper surface of the drying chamber 1, and a vent valve 20 is fixedly connected to the outer surface of the exhaust pipe 19.

[0026] In order to connect the connecting plate 9 and the sliding block 7, a fixing bolt 21 is slidably connected inside each connecting plate 9. The ends of the two fixing bolts 21 that are far apart from each other extend into the interior of the sliding block 7 and are threadedly connected to the sliding block 7.

[0027] To prevent materials from scattering into the gaps of the drying chamber 1, the output end of the guide plate 2 is located inside the screening box 4, and each set of heating tubes 3 is fixedly connected to the four side walls inside the drying chamber 1.

[0028] To facilitate the separate collection of granular materials of different sizes, a baffle plate 14 is detachably connected to the side wall of the drying chamber 1, and the baffle plate 14 is positioned corresponding to the position of the collection plate 13.

[0029] In order to drive the transmission rod to rotate and realize the vibration of the screening box 4, the servo motor 12 is fixedly connected to one side of the drying box 1, and the output end of the servo motor 12 is fixedly connected to one end of the transmission rod 10.

[0030] It should be noted that in this embodiment, the servo motor 12 and the heating tube 3 are both electrically connected to an external power supply and are each equipped with a corresponding switch.

[0031] The specific working process of this utility model is as follows:

[0032] In use, first unscrew the sealing cap 18 on the outer surface of the feed inlet 17, and put the chemical material to be dried into the drying chamber 1 through the feed inlet 17. After the material enters, it is guided by the guide plate 2 on the top wall of the drying chamber 1 and evenly dispersed onto the screening screen 5 inside the screening box 4. After the material is put in, tighten the sealing cap 18 to ensure the airtightness of the drying chamber 1 and prevent heat loss and impurities from entering. Turn on the switches of the four sets of heating tubes 3. The heat released by the heating tubes 3 fills the interior of the drying chamber 1 and heats and dries the material on the screening screen 5. The water vapor or harmful gases generated during the process can be discharged from the drying chamber 1 through the exhaust pipe 19 by manually opening the vent valve 20 on the outer surface of the exhaust pipe 19, maintaining a dry and safe environment inside the chamber. While the heating tube 3 is drying the material, the servo motor 12 is started. The servo motor 12 drives the transmission rod 10 to rotate. When the transmission rod 10 rotates, the protrusions 11 on its outer surface intermittently impact the side of the screening box 4, allowing the screening box 4 to move to one side with the impact of the protrusions 11. At this time, the sliding plate connected to the connecting plate 9 by the fixing bolt 21... The moving block 7 slides within the auxiliary block 6, compressing the return spring 8 on the inner wall of the auxiliary block 6. When the protrusion 11 rotates to disengage from the connecting plate 9, the compressed return spring 8 releases its elasticity, pushing the sliding block 7 back to its original position. This, in turn, drives the connecting plate 9 and the screening screen 5 back to their initial positions. This cycle repeats, screening the material on the screen. Material with the required particle size passes through the sieve holes of the screening screen 5 and falls onto the collection plate 13 on the bottom wall of the drying chamber 1. Material with excessively large particles remains on the screening screen 5 and continues to be dried by the heating tube 3. After the drying and screening process is completed, turn off the heating tube 3 and the servo motor 12, open the baffle plate 14, first take out the qualified material collected on the collection plate 13, then hold the auxiliary handle 16 on one side of the box door 15, open the box door 15, take out the screening screen 5 in the screening box 4, and at the same time take out the unqualified remaining material. If the screening screen 5 needs to be replaced, first unscrew the fixing bolt 21, separate the connecting plate 9 and the sliding block 7, take out the screening box 4, and then take out the screening screen 5 from the inside, clean or collect the large particles remaining on the screening screen 5.

Claims

1. A drying device for chemical production, comprising a drying chamber (1), characterized in that: The drying box (1) has a guide plate (2) fixedly connected to its inner top wall and four sets of heating tubes (3) fixedly connected to its inner side wall. A sieving box (4) is installed inside the drying box (1), and a sieving screen (5) is snapped into the sieving box (4). Two auxiliary blocks (6) are fixedly connected to the inner side wall of the drying box (1). Each auxiliary block (6) has a sliding block (7) slidably connected inside it. A return spring (8) is fixedly connected to one side of each sliding block (7). Each return spring... (8) The other end is fixedly connected to the inner wall of the auxiliary block (6). Two connecting plates (9) are fixedly connected to the bottom surface of the screening box (4). A transmission rod (10) is rotatably connected inside the drying box (1). Two protrusions (11) are fixedly connected to the outer surface of the transmission rod (10). Each of the protrusions (11) is in contact with the side wall of the screening box (4). The transmission rod (10) is driven by a servo motor (12). A collection plate (13) is fixedly connected to the inner bottom wall of the drying box (1).

2. The drying device for chemical production according to claim 1, characterized in that: The drying oven (1) has a door (15) hinged to one side, and an auxiliary handle (16) is fixedly connected to one side of the door (15).

3. A drying device for chemical production according to claim 1, characterized in that: The upper surface of the drying box (1) is fixedly connected to the feed inlet (17), and the outer surface of the feed inlet (17) is threaded with a sealing cap (18).

4. A drying device for chemical production according to claim 1, characterized in that: The upper surface of the drying box (1) is fixedly connected to an exhaust pipe (19), and the outer surface of the exhaust pipe (19) is fixedly connected to a vent valve (20).

5. A drying device for chemical production according to claim 1, characterized in that: Each of the connecting plates (9) is slidably connected with a fixing bolt (21), and the ends of the two fixing bolts (21) that are far apart from each other extend into the interior of the sliding block (7) and are threadedly connected to the sliding block (7).

6. A drying device for chemical production according to claim 1, characterized in that: The output end of the guide plate (2) is located inside the screening box (4), and each set of heating tubes (3) is fixedly connected to the four side walls inside the drying box (1).

7. A drying device for chemical production according to claim 1, characterized in that: The drying oven (1) has a detachable baffle (14) attached to its side wall.

8. A drying device for chemical production according to claim 1, characterized in that: The servo motor (12) is fixedly connected to one side of the drying box (1), and the output end of the servo motor (12) is fixedly connected to one end of the transmission rod (10).

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