Boiling dryer based on engineering plastic production

Abstract

The utility model discloses a boiling dryer based on engineering plastic production, which comprises a drying outer box and a support plate, the support plate is arranged at the inner bottom end of the drying outer box, a drying inner box is arranged in the middle of the top of the support plate, a screw rod is arranged on one side of the inner bottom end of the drying inner box, a transmission block is arranged on the screw rod, and the transmission block is connected with the support plate. A sliding rod is arranged at the position, parallel to the lead screw, of the other side in the inner drying box, a sliding block is arranged at the position, corresponding to the transmission block, of the sliding rod, scraping plates are arranged on the sliding block and the transmission block, a filtering box is arranged at the top end of one side of the outer drying box, and a drying agent is arranged in the filtering box. And activated carbon is arranged in the filter box at the top of the drying agent. The material adhering to the bottom is scraped through the material scraping plate, the adhering position of the material is prevented from yellowing, exhausted hot air can be dried and adsorbed in the drying process, and the preheating effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering plastic drying, in particular to a boiling dryer based on the production of engineering plastics. Background Art

[0002] Engineering plastics are a type of polymer material with excellent comprehensive properties. The main characteristics of engineering plastics include high rigidity, low creep, high mechanical strength, good heat resistance and electrical insulation. They can be used as engineering materials and plastics to replace metals to manufacture machine parts.

[0003] A boiling dryer based on engineering plastics as disclosed in application No. 201920902872.5 comprises a boiling box, wherein a boiling chamber, a sieve plate, a heating chamber, a partition and an air chamber are sequentially arranged in the boiling box from top to bottom, a fan is fixedly connected to the air chamber, a fan pipe is fixedly connected to the upper end of the fan, equidistantly distributed branch pipes are fixedly connected between the fan pipe and the partition, equidistantly distributed electric heating pipes are fixedly connected to the heating chamber, a return air port is fixedly connected to the right end of the heating chamber, a discharge port and a feed pipe are respectively arranged at the left and right ends of the boiling chamber, a hopper is fixedly connected to the upper end of the feed pipe, an upper cover is movably connected to the upper end of the boiling box, an air outlet is fixedly connected to the upper end of the upper cover, a return air duct is arranged between the air outlet and the return air port, so that the device can recycle heat through the return air port, the air outlet and the return air duct, thereby accelerating the efficiency of material drying and reducing the waste of resources; A rotating shaft is rotatably connected indoors, and the rear end of the rotating shaft passes through the boiling box and is fixedly connected to a coupling and a motor in sequence. The outer side of the rotating shaft is fixedly connected to stirring rods distributed equidistantly, so that the stirring rods on the rotating shaft can stir the material, further avoiding material accumulation and improving the quality of drying; the feed pipe is provided with a dispersing mechanism distributed equidistantly, so that the dispersing mechanism can break up the material multiple times to avoid material sticking and make it more uniform; however, it still has some shortcomings in actual use, and the material sticking on the sieve plate cannot be broken up, and the wet material will stick to the sieve plate, causing the sticky parts of the dried material to turn yellow, thereby affecting the quality of the material, and when the hot air is recycled, the gas will contain a large amount of moisture and harmful substances. If no drying adsorption is performed, the moisture will return to the material, affecting the drying effect of the material, and the subsequent dried material is not preheated, reducing the overall drying speed. Utility Model Content

[0004] The purpose of the utility model is to provide a boiling dryer produced based on engineering plastics to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a boiling dryer based on engineering plastics, comprising a drying outer box and a support plate, a support plate is provided at the bottom end of the drying outer box, and air holes are evenly provided on the support plate, and a drying inner box is provided at the middle position of the top of the support plate, a screw rod is provided on one side of the bottom end of the drying inner box, and a transmission block is provided on the screw rod, a sliding rod is provided at a position parallel to the screw rod in the other side of the drying inner box, and a sliding block is provided at a position corresponding to the transmission block on the sliding rod, and a scraper plate is provided on the sliding block and the transmission block , and the brush at the bottom of the scraper plate fits with the bottom of the drying inner box, a filter box is provided at the top of one side of the drying outer box, and the bottom of one side of the filter box is connected to the drying inner box through an exhaust pipe, a desiccant is provided in the filter box, and activated carbon is provided in the filter box on the top of the desiccant, so that the screw rod and the sliding rod drive the brush at the bottom of the scraper plate to contact the material, which can scrape the material at the bottom to prevent the material from sticking, causing the material to turn yellow at the sticky place, and when drying, the exhausted gas can be dried and adsorbed, which can reduce the moisture and harmful gases in the hot air, so that the preheating effect is better.

[0006] Preferably, a feeding box is provided at the middle position of the top of the drying outer box near one side of the filter box, and a motor is provided at the middle position of one side of the feeding box, the output end of the motor extends to the feeding box and is fixedly connected to a feeding shaft, and a feeding auger is provided on the feeding shaft, so that when the motor drives the feeding auger on the feeding shaft to transport the material, the material can be stirred to facilitate preheating.

[0007] Preferably, a feeding pipe is provided on the side of the top of the feeding box close to motor one, and an air intake pipe is provided at the position of the top of the feeding box corresponding to the filter box, and the other end of the air intake pipe is connected to the top of the filter box.

[0008] Preferably, a second motor is provided at a position corresponding to the screw rod on one side of the drying outer box, and an output end of the second motor extends into the drying inner box and is connected to the screw rod.

[0009] Preferably, a side of the top of the drying inner box away from the motor is connected to the feeding box through a feeding pipe, and the inner wall of the drying inner box is evenly provided with air holes.

[0010] Preferably, a temperature sensor is provided in the middle position of one side inside the drying outer box, and an air outlet block is provided at the bottom of the drying outer box, and heating blocks are evenly provided on the inner wall of the drying outer box above the air outlet block, so that the temperature sensor and the heating block are started in coordination to maintain the temperature within the drying range.

[0011] Preferably, legs are provided around the bottom of the drying outer box, and a horizontal plate is provided between the legs at the bottom of the drying outer box, a fan is provided on one side of the top of the horizontal plate, and the output end of the fan extends into the air outlet block, so that the fan is started to transport gas to the air outlet block, thereby facilitating the gas circulation in the drying outer box.

[0012] Preferably, a discharge pipe is provided in the middle of the bottom of the drying inner box, and a solenoid valve is provided in the discharge pipe at the bottom of the drying inner box, and the discharge pipe at the bottom of the drying inner box extends to the outside of the drying outer box, so that the solenoid valve is opened to facilitate discharge.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the boiling dryer produced based on engineering plastics drives the transmission block on the screw rod through the second motor, so that the transmission block drives the scraper plate to move, and the scraper plate moves back and forth in the drying inner box through the action of the screw rod and the sliding rod, so that the material at the bottom can be scraped to prevent the material from sticking to the bottom of the drying inner box, causing the material to turn yellow at the sticking point, and when the material is drying, the hot air can enter the filter box from the exhaust pipe, and dry and adsorb through the desiccant and activated carbon, which can reduce the moisture and harmful gases in the hot air, so that the preheating effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the main cross-sectional structure of the drying inner box of the utility model;

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the drying outer box and the drying inner box of the utility model from top view;

[0017] Figure 4 It is a schematic diagram of the top view structure of the utility model;

[0018] Figure 5 It is a schematic diagram of the cross-sectional structure of the filter box of the utility model;

[0019] In the figure: 1. Drying outer box; 2. Support plate; 3. Temperature sensor; 4. Drying inner box; 5. Feeding auger; 6. Feeding box; 7. Air inlet pipe; 8. Feeding shaft; 9. Motor 1; 10. Heating block; 11. Air outlet block; 12. Fan; 13. Cross plate; 14. Transmission block; 15. Screw rod; 16. Solenoid valve; 17. Sliding rod; 18. Sliding block; 19. Motor 2; 20. Scraper plate; 21. Filter box; 22. Activated carbon; 23. Desiccant. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 The utility model provides an embodiment: a boiling dryer based on engineering plastics, comprising a drying outer box 1 and a support plate 2, a support plate 2 is provided at the bottom end of the drying outer box 1, and air holes are evenly provided on the support plate 2, and a drying inner box 4 is provided at the middle position of the top of the support plate 2, a screw rod 15 is provided on one side of the bottom end of the drying inner box 4, and a transmission block 14 is provided on the screw rod 15, a sliding rod 17 is provided at the position parallel to the screw rod 15 on the other side of the drying inner box 4, and a sliding block 18 is provided on the sliding rod 17 at a position corresponding to the transmission block 14, a scraper plate 20 is provided on the sliding block 18 and the transmission block 14, and a brush at the bottom of the scraper plate 20 is fitted with the bottom of the drying inner box 4, a filter box 21 is provided at the top of one side of the drying outer box 1, and the bottom end of one side of the filter box 21 is connected to the drying inner box 4 through an exhaust pipe, a desiccant 23 is provided in the filter box 21, and a desiccant 23 is provided in the filter box 21 There is activated carbon 22, and a motor 2 19 is provided at a position corresponding to the screw rod 15 on one side of the drying outer box 1, and the output end of the motor 2 19 extends into the drying inner box 4 and is connected to the screw rod 15, and the top of the drying inner box 4 is connected to the feeding box 6 through a feeding pipe away from the motor 1 9, and the inner wall of the drying inner box 4 is evenly provided with air holes, so that after the material enters the drying inner box 4, the motor 2 19 can be started to drive the transmission block 14 on the screw rod 15 to drive, so that the transmission block 14 drives the scraper plate 20 to move, and the scraper plate 20 moves in the drying inner box 4 through the action of the screw rod 15 and the sliding rod 17, so that the material at the bottom can be scraped to prevent the material from sticking to the bottom of the drying inner box 4, causing the material to turn yellow at the sticking place, and when the material is drying, the hot air can enter the filter box 21 from the exhaust pipe, and dry and adsorb through the desiccant 23 and the activated carbon 22, which can reduce the moisture and harmful gases in the hot air, so that the preheating effect is better;

[0022] A feeding box 6 is provided at the middle position of the top of the drying outer box 1 near the filter box 21, and a motor 9 is provided at the middle position of one side of the feeding box 6, the output end of the motor 9 extends to the feeding box 6 and is fixedly connected to a feeding shaft 8, and a feeding auger 5 is provided on the feeding shaft 8, a feeding pipe is provided on the top of the feeding box 6 near the motor 9, and an air intake pipe 7 is provided at the position of the top of the feeding box 6 corresponding to the filter box 21, and the other end of the air intake pipe 7 is connected to the top of the filter box 21, so that the material enters the feeding box 6 from the feeding pipe, and then the motor 9 is started to drive the feeding auger 5 on the feeding shaft 8 to convey the material, so that the material can be dispersed, and the feeding auger 5 can send the material into the drying inner box 4 through the discharge pipe, and at the same time, the hot air can enter the feeding box 6 through the air intake pipe 7 after adsorption, so as to preheat the material and improve the drying speed of the material;

[0023] A temperature sensor 3 is provided at the middle position of one side inside the drying outer box 1, and an air outlet block 11 is provided at the bottom inside the drying outer box 1, and heating blocks 10 are evenly provided on the inner wall of the drying outer box 1 above the air outlet block 11, and legs are provided around the bottom of the drying outer box 1, and a horizontal plate 13 is provided between the legs at the bottom of the drying outer box 1, and a fan 12 is provided on one side of the top of the horizontal plate 13, and the output end of the fan 12 extends into the air outlet block 11, so that the fan 12 transports gas into the air outlet block 11, and at the same time, the heating block 10 and the temperature sensor 3 can be turned on to maintain the temperature within a suitable drying temperature range, and then the hot air is blown upward through the air outlet block 11, so that the gas can circulate in the drying outer box 1, and the hot air can enter through the air holes in the drying inner box 4, so that the material in the drying inner box 4 can be dried more evenly;

[0024] A discharge pipe is provided in the middle of the bottom of the drying inner box 4, and a solenoid valve 16 is provided in the discharge pipe at the bottom of the drying inner box 4, and the discharge pipe at the bottom of the drying inner box 4 extends to the outside of the drying outer box 1. After the material is dried, the solenoid valve 16 can be opened to discharge the material.

[0025] When the embodiment of the present application is in use, the heating block 10 and the temperature sensor 3 are started in coordination to maintain the temperature within a suitable drying temperature range, and then the fan 12 can be started to transport gas to the air outlet block 11, so that the gas circulates in the drying outer box 1, and the hot air can enter through the air holes in the drying inner box 4, so that the material in the drying inner box 4 can be dried more evenly, and then the material is fed into the feeding box 6 from the feeding pipe, and then the motor 9 is started to drive the feeding auger 5 on the feeding shaft 8 to transport the material, so that the feeding auger 5 can feed the material into the drying inner box 4 through the feeding pipe, and at the same time, the hot air can enter the feeding box 6 through the air inlet pipe 7 after adsorption, so as to preheat the material in the feeding box 6. To improve the drying speed of the material, after the material enters the drying inner box 4, the motor 2 19 can be started to drive the transmission block 14 on the screw rod 15, so that the transmission block 14 drives the scraper plate 20 to move, and the scraper plate 20 moves in the drying inner box 4 through the action of the screw rod 15 and the slide rod 17, so that the material at the bottom can be scraped to prevent the material from sticking to the bottom of the drying inner box 4, causing the material to turn yellow at the sticking point. When the material is drying, the hot air can enter the filter box 21 from the exhaust pipe, and dry and adsorb through the desiccant 23 and the activated carbon 22, which can reduce the moisture and harmful gases in the hot air, so that the preheating effect is better. When the material is completely dry, the solenoid valve 16 can be opened to discharge the material.

[0026] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0027] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0028] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fluidized bed dryer based on engineering plastics, characterized in that: The invention comprises a drying outer box (1) and a support plate (2), wherein the inner bottom end of the drying outer box (1) is provided with a support plate (2), and air holes are evenly arranged on the support plate (2), and a drying inner box (4) is arranged at the middle position of the top of the support plate (2), a screw rod (15) is arranged on one side of the inner bottom end of the drying inner box (4), and a transmission block (14) is arranged on the screw rod (15), and a sliding rod (17) is arranged on the other side of the drying inner box (4) at a position parallel to the screw rod (15), and the sliding rod (17) corresponds to the transmission block (14). A sliding block (18) is provided at the position of the drying inner box (4), a scraper plate (20) is provided on the sliding block (18) and the transmission block (14), and a brush at the bottom of the scraper plate (20) fits with the bottom of the drying inner box (4), a filter box (21) is provided at the top of one side of the drying outer box (1), and the bottom of one side of the filter box (21) is connected to the drying inner box (4) through an exhaust pipe, a desiccant (23) is provided in the filter box (21), and activated carbon (22) is provided in the filter box (21) on the top of the desiccant (23).

2. A fluidized bed dryer produced based on engineering plastics according to claim 1, characterized in that: A feed box (6) is provided at a middle position of the top of the drying outer box (1) near the filter box (21), and a motor 1 (9) is provided at a middle position of one side of the feed box (6). The output end of the motor 1 (9) extends into the feed box (6) and is fixedly connected to a feed shaft (8), and a feed auger (5) is provided on the feed shaft (8).

3. A fluidized bed dryer produced based on engineering plastics according to claim 2, characterized in that: A feeding pipe is provided on the side of the top of the feeding box (6) close to the motor 1 (9), and an air intake pipe (7) is provided at a position on the top of the feeding box (6) corresponding to the filter box (21), and the other end of the air intake pipe (7) is connected to the top of the filter box (21).

4. A fluidized bed dryer produced based on engineering plastics according to claim 1, characterized in that: A second motor (19) is provided at a position corresponding to the screw rod (15) on one side of the drying outer box (1), and an output end of the second motor (19) extends into the drying inner box (4) and is connected to the screw rod (15).

5. The fluidized bed dryer produced based on engineering plastics according to claim 1, characterized in that: The top of the drying inner box (4) is connected to the feed box (6) via a feed pipe on the side away from the motor 1 (9), and the inner wall of the drying inner box (4) is evenly provided with air holes.

6. A fluidized bed dryer produced based on engineering plastics according to claim 1, characterized in that: A temperature sensor (3) is provided at a middle position on one side of the drying outer box (1), an air outlet block (11) is provided at the bottom of the drying outer box (1), and heating blocks (10) are evenly provided on the inner wall of the drying outer box (1) above the air outlet block (11).

7. The fluidized bed dryer produced based on engineering plastics according to claim 1, characterized in that: The bottom of the drying outer box (1) is provided with legs on all four sides, and a horizontal plate (13) is provided between the legs at the bottom of the drying outer box (1). A fan (12) is provided on one side of the top of the horizontal plate (13), and the output end of the fan (12) extends into the air outlet block (11).

8. The fluidized bed dryer produced based on engineering plastics according to claim 1, characterized in that: A discharge pipe is provided in the middle of the bottom of the drying inner box (4), a solenoid valve (16) is provided in the discharge pipe at the bottom of the drying inner box (4), and the discharge pipe at the bottom of the drying inner box (4) extends to the outside of the drying outer box (1).

Images