Circulating drying device for granules

Abstract

The utility model is suitable for the technical field of granule processing, and provides a circulating drying device for granules, which comprises a drying oven, a drying box and a drying box, the cooling water tank is fixedly mounted at the top of the drying oven, and cooling liquid is arranged in the cooling water tank; the spiral pipe is fixedly mounted on the inner wall of the cooling water tank, and the two ends of the spiral pipe extend to the outside of the cooling water tank; the cooling water machine is arranged at the top of the cooling water tank; the two circulating pipes are arranged on the water cooling machine and are communicated with the cooling water tank; and the circulating drying mechanism is assembled and mounted on the drying oven and is used for circularly drying the granules. According to the circular drying device for the granules, the granules can be evenly distributed on the partition net after being put into the drying oven, the function of turning over the granules is achieved, and therefore the granules can be evenly heated, the drying efficiency is high, and meanwhile material taking is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of granule processing, and in particular relates to a circulating drying device for granules. Background Art

[0002] Granules are a commonly used oral solid dosage form for drugs, especially traditional Chinese medicine. Some antibiotics are unstable when in contact with water and can be made into granules. They are dissolved in water or suspended evenly before use, such as amoxicillin granules and cephalexin granules. Granules are also one of the commonly used dosage forms for children. Traditional Chinese medicine granules are a dosage form developed on the basis of decoctions. They began to appear in the 1970s. Traditional Chinese medicine granules not only maintain the advantages of decoctions such as fast absorption and rapid effect, but also overcome the shortcomings of temporary decoction before taking decoctions, time-consuming and energy-consuming, and easy to mold and spoil after long storage, such as cold and heat-clearing granules and isatis root granules. During the processing of granules, it is necessary to use a circulating drying device to dry the granules.

[0003] However, in the existing circulating drying device for granules, after the granules are put into the oven, the granules are often piled together and cannot be evenly distributed inside the oven. Therefore, the granules cannot be evenly heated, resulting in low drying efficiency. At the same time, there is also the problem of inconvenience in taking out the materials. Utility Model Content

[0004] The utility model provides a circulating drying device for granules, aiming to solve the problems of low drying efficiency and inconvenient material taking in the existing circulating drying device for granules proposed in the above background technology.

[0005] To solve the above problems, the utility model is implemented as follows: a circulating drying device for granules, comprising: an oven with a partition net fixedly installed on the inner wall; a cooling water tank fixedly installed on the top of the oven, wherein coolant is arranged inside the cooling water tank; a spiral tube fixedly installed on the inner wall of the cooling water tank, wherein both ends of the spiral tube extend to the outside of the cooling water tank; a chiller arranged on the top of the cooling water tank; two circulating pipes arranged on the chiller and connected to the cooling water tank; a circulating drying mechanism assembled on the oven, wherein the circulating drying mechanism is used for circulating drying the granules; an inclination angle control mechanism arranged at the bottom of the oven, wherein the inclination angle control mechanism is used for adjusting and controlling the angle of the oven; a material blocking mechanism installed on the oven, wherein the material blocking mechanism is used for blocking the material taking port.

[0006] Preferably, the circulating drying mechanism includes: a hot air box fixedly mounted on one side of the oven; an electric heating wire arranged on the inner wall of the hot air box; a hot air pipe arranged at the bottom of the hot air box and extending to the inside of the oven, wherein a plurality of hot air holes are provided on the hot air pipe; a fan fixedly mounted on one side of the oven and connected to the hot air box; a first air duct arranged at the air inlet end of the fan and connected to the spiral tube; and a second air duct arranged at one end of the spiral tube and connected to the oven.

[0007] Preferably, a water collecting box is fixedly mounted on the oven, a water collecting pipe is provided on the water collecting box, the water collecting pipe is connected with the second air duct, a drain pipe is provided at the bottom of the water collecting box, a solenoid valve is provided on the drain pipe, and an observation window is provided on the water collecting box.

[0008] Preferably, the tilt angle control mechanism includes: a bottom plate arranged at the bottom of the oven and having multiple side plates and multiple vertical plates; a rotating shaft rotatably installed on one side of the multiple vertical plates close to each other; a rotating plate fixedly mounted on the rotating shaft and fixedly connected to the oven; a first motor fixedly mounted on the bottom plate; a worm fixedly mounted on the output shaft of the first motor and rotatably connected to the multiple side plates; and a worm wheel fixedly mounted on the rotating shaft and meshing with the worm.

[0009] Preferably, a material taking port is provided on one side of the oven, a slide groove is provided on the top inner wall of the material taking port, and a material guide plate is fixedly installed on one side of the oven, and the installation position of the material guide plate corresponds to the material taking port.

[0010] Preferably, the material blocking mechanism comprises: a second motor fixedly mounted on the inner wall of the slideway and provided with a screw; and a material blocking plate threadedly sleeved on the screw and slidably connected to the inner walls on both sides of the slideway.

[0011] Preferably, the oven is provided with a feeding hopper, a cover plate is hinged on the feeding hopper, and a handle is fixedly mounted on the cover plate.

[0012] Preferably, the oven is provided with a controller, and the controller is electrically connected to the chiller, the heating wire, the fan, the solenoid valve, the first motor and the second motor.

[0013] Compared with the related art, the circulating drying device for granules provided by the utility model has the following beneficial effects:

[0014] Compared with the prior art, the circulating drying device for granules provided by the present invention comprises an oven, the inner wall of which is fixedly provided with a partition net for separating or supporting the granules during the drying process, a cooling water tank is fixedly provided on the top of the oven, the interior of which is filled with coolant for cooling the spiral tube, a spiral tube is installed on the inner wall of the cooling water tank, both ends of which extend to the outside of the water tank, this design allows the water vapor in the hot air to condense on the inner wall of the spiral tube, thereby keeping the hot air dry, so as to improve the drying efficiency of the granules, a chiller is provided on the top of the cooling water tank, and is connected to the cooling water tank through two circulation pipes to form a coolant circulation system, the chiller is responsible for cooling the coolant in the cooling water tank and sending it back into the cooling water tank through the circulation pipe to ensure that the cooling effect is continuous and stable, and the device also It comprises a circulation drying mechanism, which is assembled and installed on the oven and is used for circulation drying of granules. This mechanism realizes uniform and efficient drying of granules through a specific circulation method, such as hot air circulation or movement of granules in the oven. A tilt angle control mechanism is provided at the bottom of the oven, which allows the angle of the oven to be adjusted and controlled, so as to facilitate material collection. At the same time, the oven can be driven to swing left and right by a rotating plate, so that the granules are evenly distributed on the partition net, thereby making the granules heated more evenly to improve the drying efficiency. In addition, the device also comprises a material blocking mechanism installed on the oven, which is used to cover the material collection port. During the drying process, the material blocking mechanism prevents the granules from accidentally flowing out of the material collection port, thereby ensuring the continuity and safety of the drying process. When collecting materials, the material blocking plate can be raised to facilitate material collection;

[0015] In summary, the granule circulation drying device of the present invention achieves uniform and efficient drying of granules through its unique structural design, while improving the controllability and safety of the drying process, and has significant beneficial effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of a circulating drying device for granules provided by the utility model;

[0017] Figure 2 for Figure 1 A schematic diagram of the front appearance structure;

[0018] Figure 3 for Figure 1 Schematic diagram of the three-dimensional structure of the central water collecting tank;

[0019] Figure 4 for Figure 1 Schematic diagram of the enlarged structure of part A shown in FIG.

[0020] Figure numerals: 1. oven; 2. screen; 3. cooling water tank; 4. spiral tube; 5. chiller; 6. circulation tube; 7. hot air box; 8. electric heating wire; 9. hot air duct; 10. fan; 11. first air duct; 12. second air duct; 13. water collecting box; 14. water collecting pipe; 15. drain pipe; 16. solenoid valve; 17. bottom plate; 18. side plate; 19. vertical plate; 20. rotating shaft; 21. rotating plate; 22. first motor; 23. worm; 24. worm gear; 25. feeding port; 26. chute; 27. material guide plate; 28. second motor; 29. ​​screw; 30. material baffle plate; 31. hopper; 32. controller. DETAILED DESCRIPTION

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" in the specification and claims of the present application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present application or the above-mentioned figures are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0022] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0023] The utility model provides a circulating drying device for granules, such as Figure 1-4As shown, the circulating drying device for granules includes: an oven 1 with a partition 2 fixedly installed on the inner wall; a cooling water tank 3 fixedly installed on the top of the oven 1, and a coolant is arranged inside the cooling water tank 3; a spiral tube 4 fixedly installed on the inner wall of the cooling water tank 3, and both ends of the spiral tube 4 extend to the outside of the cooling water tank 3; a chiller 5 arranged on the top of the cooling water tank 3; two circulating pipes 6 arranged on the chiller 5 and connected to the cooling water tank 3; a circulating drying mechanism assembled on the oven 1, and the circulating drying mechanism is used for circulating drying the granules; an inclination angle control mechanism arranged at the bottom of the oven 1, and the inclination angle control mechanism is used to adjust and control the angle of the oven 1; a material blocking mechanism installed on the oven 1, and the material blocking mechanism is used to block the material taking port 25.

[0024] In this embodiment, an oven 1 is included, a partition net 2 is fixedly installed on the inner wall of the oven 1 for separating or supporting the granules during the drying process, a cooling water tank 3 is fixedly installed on the top of the oven 1, and the interior is filled with coolant to cool the spiral tube, a spiral tube 4 is installed on the inner wall of the cooling water tank 3, and both ends of the spiral tube extend to the outside of the water tank, this design allows water vapor in the hot air to condense on the inner wall of the spiral tube, so that the hot air remains dry, so as to improve the drying efficiency of the granules, a chiller 5 is provided on the top of the cooling water tank 3, and is connected to the cooling water tank 3 through two circulation pipes 6 to form a coolant circulation system, the chiller 5 is responsible for cooling the coolant in the cooling water tank 3, and sending it back to the cooling water tank 3 through the circulation pipe 6 to ensure that the cooling effect is continuous and stable, and the device also includes a circulating dryer The structure is assembled and installed on the oven 1, and is used for circulating and drying the granules. This structure realizes uniform and efficient drying of the granules through a specific circulation method, such as hot air circulation or movement of the granules in the oven. The bottom of the oven 1 is provided with a tilt angle control mechanism, which allows the angle of the oven to be adjusted and controlled, so as to facilitate material collection. At the same time, the oven 1 can be driven to swing left and right by the rotating plate 21, so that the granules are evenly distributed on the partition 2, and the granules are heated more evenly to improve the drying efficiency. In addition, the device also includes a material blocking mechanism installed on the oven 1, which is used to cover the material collection port 25. During the drying process, the material blocking mechanism prevents the granules from accidentally flowing out of the material collection port, ensuring the continuity and safety of the drying process. When taking the material, the material blocking plate 30 can be raised to facilitate material collection;

[0025] In summary, the granule circulation drying device of the present invention realizes uniform and efficient drying of granules through its unique structural design, while improving the controllability and safety of the drying process, and has significant beneficial effects.

[0026] In a further preferred embodiment of the utility model, the circulating drying mechanism includes: a hot air box 7 fixedly installed on one side of the oven 1; an electric heating wire 8 arranged on the inner wall of the hot air box 7; a hot air pipe 9 arranged at the bottom of the hot air box 7 and extending to the inside of the oven 1, and a plurality of hot air holes are opened on the hot air pipe 9; a fan 10 fixedly installed on one side of the oven 1 and connected to the hot air box 7; a first air duct 11 arranged at the air inlet end of the fan 10 and connected to the spiral tube 4; and a second air duct 12 arranged at one end of the spiral tube 4 and connected to the oven 1.

[0027] In this embodiment, when drying the granules on the partition net 2, the fan 12 and the heating wire 8 are started, and the air flow enters the hot air box 7 through the operation of the fan 12. The air flow can be heated by the heating wire 8 to form hot air. The hot air is sprayed toward the bottom of the partition net 2 along the multiple hot air holes on the hot air pipe 9, thereby drying the granules on the partition net 2, and then the hot air flow enters the spiral tube 4 along the second air duct 12. The water vapor in the hot air condenses on the inner wall of the spiral tube 4 and enters the air inlet end of the fan 12 along the first air duct 11, thereby performing cyclic drying.

[0028] In a further preferred embodiment of the utility model, a water collecting box 13 is fixedly installed on the oven 1, a water collecting pipe 14 is provided on the water collecting box 13, the water collecting pipe 14 is connected with the second air duct 12, a drain pipe 15 is provided at the bottom of the water collecting box 13, a solenoid valve 16 is provided on the drain pipe 15, and an observation window is provided on the water collecting box 13.

[0029] In this embodiment, condensed water can be introduced into the water collecting tank 13 through the water collecting pipe 14 , and the condensed water in the water collecting tank 13 can be taken out through the drain pipe 15 and the solenoid valve 16 .

[0030] In a further preferred embodiment of the utility model, the tilt angle control mechanism includes: a bottom plate 17 arranged at the bottom of the oven 1 and having a plurality of side plates 18 and a plurality of vertical plates 19; a rotating shaft 20 rotatably mounted on one side of the plurality of vertical plates 19 close to each other; a rotating plate 21 fixedly mounted on the rotating shaft 20 and fixedly connected to the oven 1; a first motor 22 fixedly mounted on the bottom plate 17; a worm 23 fixedly mounted on the output shaft of the first motor 22 and rotatably connected to the plurality of side plates 18; and a worm wheel 24 fixedly mounted on the rotating shaft 20 and meshing with the worm 23.

[0031] In this embodiment, the first motor 22 can drive the worm 23 to rotate, the worm 23 can drive the worm wheel 24 to rotate, the worm wheel 24 can drive the rotating shaft 20 and the rotating plate 21 to rotate, the rotating plate 21 can adjust the angle of the oven 1 to facilitate material removal, and the rotating plate 21 can drive the oven 1 to swing left and right, so that the granules are evenly distributed on the partition 2, so that the granules are heated more evenly to improve the drying efficiency.

[0032] In a further preferred embodiment of the utility model, a material taking port 25 is provided on one side of the oven 1, a slide groove 26 is provided on the top inner wall of the material taking port 25, and a material guide plate 27 is fixedly installed on one side of the oven 1, and the installation position of the material guide plate 27 corresponds to the material taking port 25.

[0033] In this embodiment, the dried granules can be taken through the material taking port 25 and the material guide plate 27 , and the material blocking mechanism can be installed through the chute 26 .

[0034] In a further preferred embodiment of the utility model, the material blocking mechanism includes: a second motor 28 fixedly mounted on the inner wall of the slide 26 and having a screw 29; and a material blocking plate 30 threadedly sleeved on the screw 29 and slidably connected to the inner walls on both sides of the slide 26.

[0035] In this embodiment, the second motor 28 drives the screw 29 to rotate on the inner wall of the material blocking plate 30 to drive the material blocking plate 30 to move up and down, thereby controlling the opening and closing of the material taking port 25.

[0036] In a further preferred embodiment of the utility model, a feeding hopper 31 is provided on the oven 1, a cover plate is hinged on the feeding hopper 31, and a handle is fixedly installed on the cover plate.

[0037] In this embodiment, the granules can be put into the oven 1 through the feeding hopper 31, and the feeding hopper 31 can be shielded by the cover plate.

[0038] In a further preferred embodiment of the utility model, a controller 32 is provided on the oven 1 , and the controller 32 is electrically connected to the chiller 5 , the heating wire 8 , the fan 10 , the solenoid valve 16 , the first motor 22 and the second motor 28 .

[0039] In this embodiment, the controller 32 can be used to control the operation of the water chiller 5 , the heating wire 8 , the fan 10 , the solenoid valve 16 , the first motor 22 and the second motor 28 .

[0040] In summary, compared with the relevant technology, the device can make the granules evenly distributed on the partition net after being put into the oven, and has the function of turning the granules, so that the granules can be evenly heated, the drying efficiency is high, and the material is more convenient to take out.

[0041] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0042] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A circulating drying device for granules, characterized in that: include: An oven with a partition net fixedly installed on the inner wall; A cooling water tank fixedly mounted on the top of the oven, wherein a coolant is provided inside the cooling water tank; A spiral tube fixedly mounted on the inner wall of the cooling water tank, with both ends of the spiral tube extending to the outside of the cooling water tank; A water chiller disposed on top of the cooling water tank; Two circulation pipes arranged on the chiller and connected to the cooling water tank; A circulation drying mechanism installed on the oven, the circulation drying mechanism is used to circulate and dry the granules; An inclination angle control mechanism is arranged at the bottom of the oven, and the inclination angle control mechanism is used to adjust and control the angle of the oven; A material blocking mechanism is installed on the oven, and is used to block the material taking port.

2. The circulating drying device for granules according to claim 1, characterized in that: The circulating drying mechanism comprises: A hot air box fixedly mounted on one side of the oven; An electric heating wire arranged on the inner wall of the hot air box; A hot air pipe is arranged at the bottom of the hot air box and extends to the inside of the oven, and a plurality of hot air holes are opened on the hot air pipe; A fan fixedly mounted on one side of the oven and connected to the hot air box; A first air guide pipe disposed at the air inlet end of the fan and connected to the spiral pipe; A second air guide duct is disposed at one end of the spiral tube and is connected to the oven.

3. The circulating drying device for granules according to claim 2, characterized in that: A water collecting box is fixedly mounted on the oven, a water collecting pipe is arranged on the water collecting box, the water collecting pipe is connected with the second air duct, a drain pipe is arranged at the bottom of the water collecting box, a solenoid valve is arranged on the drain pipe, and an observation window is arranged on the water collecting box.

4. The circulating drying device for granules according to claim 3, characterized in that: The tilt angle control mechanism comprises: A bottom plate disposed at the bottom of the oven and having a plurality of side plates and a plurality of vertical plates; A rotating shaft rotatably mounted on one side of the plurality of vertical plates close to each other; A rotating plate fixedly sleeved on the rotating shaft and fixedly connected to the oven; A first motor fixedly mounted on the base plate; A worm fixedly mounted on the output shaft of the first motor and rotatably connected to the plurality of side plates; A worm wheel is fixedly sleeved on the rotating shaft and meshed with the worm.

5. The circulating drying device for granules according to claim 4, characterized in that: A material taking port is provided on one side of the oven, a slide groove is provided on the top inner wall of the material taking port, a material guide plate is fixedly installed on one side of the oven, and the installation position of the material guide plate corresponds to the material taking port.

6. The circulating drying device for granules according to claim 5, characterized in that: The material blocking mechanism comprises: A second motor fixedly mounted on the inner wall of the slideway and having a screw; A material blocking plate is threadably sleeved on the screw rod and slidably connected to the inner walls on both sides of the slide groove.

7. The circulating drying device for granules according to claim 1, characterized in that: The oven is provided with a feeding hopper, a cover plate is hinged on the feeding hopper, and a handle is fixedly installed on the cover plate.

8. The circulating drying device for granules according to claim 6, characterized in that: The oven is provided with a controller, and the controller is electrically connected to the chiller, the heating wire, the fan, the solenoid valve, the first motor and the second motor.

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