Drying device

Abstract

The utility model discloses a drying device, and belongs to the technical field of pharmaceutical machinery. The drying device comprises a drying cylinder, a drying mechanism, a material turning mechanism and a material receiving mechanism, wherein the material turning mechanism and the material receiving mechanism are both arranged in the drying cylinder; the drying mechanisms comprise the first drying mechanisms and the second drying mechanisms, the first drying mechanisms are arranged on the two sides of the top of the drying cylinder and communicate with the drying cylinder, and the second drying mechanisms are arranged on the upper portion and the bottom of the drying cylinder and communicate with the drying cylinder. The first drying mechanism is arranged for pre-drying and conveying powder materials, and the drying efficiency is improved; by arranging the material overturning mechanism, powder materials are overturned and stirred in the drying process, so that the drying uniformity of the powder materials is improved; by arranging the receiving mechanism, the efficiency is improved, and the loss is reduced.

Description

Technical Field

[0001] The present application relates to a drying device, belonging to the technical field of pharmaceutical machinery. Background Art

[0002] A drying device refers to a mechanical device that uses heat energy to reduce the moisture content of materials and is used to dry objects. The drying device vaporizes the moisture in the material (generally referring to water or other volatile liquid components) by heating to obtain a solid material with a specified moisture content. The purpose of drying is to meet the needs of material use or further processing. Powder is a dry agent obtained by mixing and crushing the original drug, a large amount of filler and an appropriate stabilizer. Its performance requirements mainly include fineness, uniformity, stability and powder dispensing. In the prior art, during the powder manufacturing process, the powder material needs to be dried.

[0003] In the prior art, powder materials are usually dried using equipment such as a vacuum drying box. The powder materials have very small particle sizes and are easily accumulated, resulting in uneven heating of the powder materials. The powder materials in thickly accumulated areas are not dried thoroughly, and the powder materials on the surface and periphery are over-dried or even burnt. In addition, the dryers in the prior art are less efficient and it is difficult to collect the powder materials, resulting in higher losses.

[0004] Chinese patent CN216347565U discloses a multi-layer biological medicine drying machine; it includes a box body and a drying assembly, the box body includes a shell and a partition, the drying assembly includes a fan, an air duct, an air outlet duct, a turntable and a heating plate, the shell is divided into multiple layers by the partition, it is convenient to place more medicines for drying, the fan is operated to blow air into the air duct, the air duct guides the wind into the heating plate to heat it to form hot air, and finally the hot air is discharged through the air outlet duct. The dryer makes the medicine drying more uniform, but it requires manual material collection and discharge, and the efficiency is low. Utility Model Content

[0005] In order to solve the above problems, the present application proposes a drying device, which improves the drying efficiency by setting a first drying mechanism to pre-dry and convey the powder material; by setting a turning mechanism, the powder material is turned over and stirred during the drying process to improve the uniformity of the drying of the powder material; by setting a collecting mechanism, the efficiency is improved and the loss is reduced.

[0006] According to one aspect of the present application, a drying device is provided, comprising a drying cylinder, a drying mechanism, a material turning mechanism and a material receiving mechanism, wherein the material turning mechanism and the material receiving mechanism are both arranged inside the drying cylinder; the drying mechanism comprises a first drying mechanism and a second drying mechanism, wherein the first drying mechanism is arranged at both sides of the top of the drying cylinder and is connected to the drying cylinder, and the second drying mechanism is arranged at the upper part and the bottom part of the drying cylinder and is connected to the drying cylinder.

[0007] Optionally, the first drying mechanism includes a drying box, a first motor, an agitator and an electric heating tube; the electric heating tube is arranged on the inner wall of the drying box, the agitator is arranged inside the drying box, and the first motor drives the agitator to rotate to stir and transfer the powder material to the drying cylinder.

[0008] Optionally, the second drying device includes a blower, an air heating box and an air inlet pipe; the air inlet pipe is connected to the drying cylinder, and a heating resistor is provided inside the air heating box to heat the air; a first filter is provided at the air inlet pipe to filter impurities in the air.

[0009] Optionally, the material turning mechanism includes a second motor, a stirring shaft and a plurality of stirring blades, the second motor is arranged at the top center of the drying cylinder, the stirring blades are arranged on the stirring shaft, and the second motor drives the stirring shaft to rotate to turn the powder material.

[0010] Optionally, the material collecting mechanism includes a material collecting assembly and a material discharging assembly, the material collecting assembly is arranged inside the drying cylinder, and the material discharging assembly is arranged at the bottom of the drying cylinder.

[0011] Optionally, the material collection assembly includes a scraper plate, a brush and a cylinder, the cylinder is arranged at the top of the drying cylinder, the cylinder is connected to the scraper plate, the brush is circumferentially arranged on the scraper plate, and the brush abuts against the inner wall of the drying cylinder; the cylinder drives the scraper plate to reciprocate in the vertical direction.

[0012] Optionally, the scraper plate is an annular structure.

[0013] Optionally, the discharge assembly includes a discharge port and a second filter screen, the discharge port is arranged at the bottom of the drying cylinder, and the second filter screen is arranged in the discharge port to filter the dried powder material.

[0014] Optionally, the upper portion of the drying cylinder is a cylindrical structure, and the bottom of the drying cylinder is a funnel-shaped structure.

[0015] Optionally, a bottom cover is provided on the discharge port.

[0016] The beneficial effects of this application include but are not limited to:

[0017] 1. A drying device provided in the present application improves drying efficiency by providing a first drying mechanism to pre-dry and convey powder materials; provides a turning mechanism to turn the powder materials during the drying process to improve the uniformity of drying the powder materials; and provides a collecting mechanism to improve efficiency and reduce losses.

[0018] 2. The present application provides a drying device in which a first motor drives an agitator to stir the powder material and transfer the powder material to a drying cylinder to realize automatic feeding. In addition, an electric heating tube is provided on the inner wall of the drying box to pre-dry the powder material during the process of transferring the powder material to the drying cylinder. The first drying mechanism is arranged on both sides of the top of the drying cylinder and is connected to the drying cylinder. Both sides are fed at the same time, which greatly improves the drying efficiency. The second drying mechanism is arranged at the upper and bottom parts of the drying cylinder and is connected to the drying cylinder. Hot air is transported into the drying cylinder from top to bottom at the same time, so that the powder material in the drying cylinder is evenly dried to avoid insufficient drying of the powder material accumulated at the bottom, and the drying efficiency can be improved.

[0019] 3. A drying device provided in the present application, wherein a second motor drives the stirring shaft to rotate, thereby driving the stirring blades on the stirring shaft to rotate, thereby turning over and stirring the powder material in the drying cylinder to achieve uniform drying; a cylinder is arranged at the top of the drying cylinder and is connected to a scraper plate, and the cylinder drives the scraper plate to reciprocate in the vertical direction, thereby a brush cleans the powder material remaining on the inner wall of the drying cylinder to achieve material aggregation and reduce loss; the bottom of the drying cylinder is a funnel-shaped structure, and a second filter screen is arranged at the discharge port to filter the dried powder material to prevent agglomerates and insufficiently dried powder materials from leaking out. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0021] Figure 1 A schematic diagram of the three-dimensional structure of a drying device involved in an embodiment of the present application;

[0022] Figure 2 A schematic diagram of a cross-sectional structure of a drying device involved in an embodiment of the present application;

[0023] Figure 3 This is a partial enlarged view of part A involved in the embodiment of the present application.

[0024] List of parts and reference numerals:

[0025] 1. Drying cylinder; 2. First drying mechanism; 3. Drying box; 4. First motor; 5. Agitator: 6. Electric heating tube; 7. Blower; 8. Air heating box; 9. Inlet pipe; 10. Heating resistor wire; 11. First filter; 12. Second motor; 13. Stirring shaft; 14. Stirring blade; 15. Scraper; 16. Brush; 17. Cylinder; 18. Discharge port; 19. Second filter; 20. Bottom cover. DETAILED DESCRIPTION

[0026] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.

[0027] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0028] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0029] In addition, in the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0031] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0032] In the present application, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0033] refer to Figure 1-Figure 3 The embodiment of the present application discloses a drying device, including a drying cylinder 1, a drying mechanism, a material turning mechanism and a material receiving mechanism, the material turning mechanism and the material receiving mechanism are both arranged inside the drying cylinder 1; the drying mechanism includes a first drying mechanism 2 and a second drying mechanism, the first drying mechanism 2 is arranged on both sides of the top of the drying cylinder 1 and is connected to the drying cylinder 1, and the second drying mechanism is arranged at the upper and bottom of the drying cylinder 1 and is connected to the drying cylinder 1.

[0034] Specifically, by setting up the first drying mechanism 2, the powder material is pre-dried and conveyed to improve the drying efficiency; by setting up the turning mechanism, the powder material is turned and stirred during the drying process to improve the uniformity of the drying of the powder material; by setting up the collecting mechanism, the efficiency is improved and the loss is reduced.

[0035] Specifically, the first drying mechanism 2 is arranged on both sides of the top of the drying cylinder 1 and is connected to the drying cylinder 1, and the two sides are fed at the same time, which greatly improves the drying efficiency; the second drying mechanism is arranged at the upper and bottom of the drying cylinder 1 and is connected to the drying cylinder 1, and hot air is transported into the drying cylinder 1 from top to bottom at the same time, so as to evenly dry the powder material in the drying cylinder 1, avoid insufficient drying of the powder material accumulated at the bottom, and improve the drying efficiency.

[0036] As an embodiment, the first drying mechanism 2 includes a drying box 3, a first motor 4, an agitator 5 and an electric heating tube 6; the electric heating tube 6 is arranged on the inner wall of the drying box 3, the agitator 5 is arranged inside the drying box 3, and the first motor 4 drives the agitator 5 to rotate to stir and transfer the powder material to the drying cylinder 1.

[0037] Specifically, the first motor 4 drives the auger 5 to stir the powder material and transfer the powder material to the drying cylinder 1 to realize automatic feeding; in addition, an electric heating tube 6 is provided on the inner wall of the drying box 3 to pre-dry the powder material during the process of transferring the powder material to the drying cylinder 1 to improve the drying efficiency.

[0038] Specifically, the present application does not make a specific limitation on the length of the drying box 3, and those skilled in the art may make a selection according to actual conditions.

[0039] Specifically, the present application does not make specific limitations on the length and distribution of the electric heating tubes 6, and those skilled in the art may make selections based on actual conditions.

[0040] As an embodiment, the second drying device includes a blower 7, an air heating box 8 and an air intake pipe 9; the air intake pipe 9 is connected to the drying cylinder 1, and a heating resistor 10 is provided inside the air heating box 8 to heat the air; a first filter 11 is provided at the air intake pipe 9 to filter impurities in the air.

[0041] Specifically, the blower 7 blows air into the air heating box 8, the heating resistor 10 heats the air heating box 8, and after the impurities are filtered out by the first filter 11, the air enters the drying cylinder 1 through the air inlet pipe 9 to dry the powder material.

[0042] As an embodiment, the turning mechanism includes a second motor 12, a stirring shaft 13 and a plurality of stirring blades 14. The second motor 12 is arranged at the top center of the drying cylinder 1, and the stirring blades 14 are arranged on the stirring shaft 13. The second motor 12 drives the stirring shaft 13 to rotate to turn the powder material.

[0043] Specifically, the second motor 12 drives the stirring shaft 13 to rotate, and then drives the stirring blades 14 on the stirring shaft 13 to rotate, so as to stir the powder material in the drying cylinder 1 to achieve uniform drying.

[0044] Specifically, the present application does not make any specific limitation on the number, shape, and size of the stirring blades 14 , and those skilled in the art may make a selection based on actual conditions.

[0045] As an implementation mode, the material collecting mechanism includes a material collecting assembly and a material discharging assembly. The material collecting assembly is arranged inside the drying cylinder 1 , and the material discharging assembly is arranged at the bottom of the drying cylinder 1 .

[0046] As an embodiment, the collecting assembly includes a scraper plate 15, a brush 16 and a cylinder 17. The cylinder 17 is arranged on the top of the drying cylinder 1, and the cylinder 17 is connected to the scraper plate 15. The brush 16 is circumferentially arranged on the scraper plate 15, and the brush 16 abuts against the inner wall of the drying cylinder 1; the cylinder 17 drives the scraper plate 15 to reciprocate in the vertical direction.

[0047] Specifically, the cylinder 17 is disposed at the top of the drying cylinder 1 and connected to the scraper plate 15. The cylinder 17 drives the scraper plate 15 to reciprocate in the vertical direction, and then the brush 16 cleans the powder material remaining on the inner wall of the drying cylinder 1 to achieve material collection and reduce loss.

[0048] Specifically, the present application does not make specific limitations on the connection method between the cylinder 17 and the scraper plate 15, and those skilled in the art may make a selection according to actual conditions.

[0049] Specifically, the present application does not make any specific limitation on the connection method between the scraper plate 15 and the brush 16, and those skilled in the art may make a selection according to actual conditions.

[0050] Specifically, the present application does not make any specific limitation on the shape of the scraper plate 15 , and those skilled in the art may make a selection according to actual conditions.

[0051] As an implementation manner, the scraper plate 15 is an annular structure.

[0052] Specifically, the scraper plate 15 is an annular structure, and the brush 16 is circumferentially arranged on the periphery of the annular structure.

[0053] As an embodiment, the discharge assembly includes a discharge port 18 and a second filter screen 19. The discharge port 18 is disposed at the bottom of the drying cylinder 1, and the second filter screen 19 is disposed in the discharge port 18 to filter the dried powder material.

[0054] Specifically, the discharge port 18 is provided with a second filter screen 19 to filter the dried powder material to prevent the agglomerated and insufficiently dried powder material from leaking out, and to retain the agglomerated and insufficiently dried powder material in the drying cylinder 1 to continue the drying process.

[0055] As an implementation mode, the upper portion of the drying cylinder 1 is a cylindrical structure, and the bottom of the drying cylinder 1 is a funnel-shaped structure.

[0056] Specifically, the bottom of the drying cylinder 1 is configured to be funnel-shaped to facilitate centralized discharge of materials.

[0057] As an implementation manner, a bottom cover 20 is provided on the discharge port 18 .

[0058] Specifically, the discharge port 18 is provided with a bottom cover 20 , which, on the one hand, prevents the powder material in the drying cylinder 1 from spilling and causing loss; on the other hand, prevents the powder material inside the drying cylinder 1 from being contaminated.

[0059] The working process of a drying device provided in this application is as follows:

[0060] The powder material is pre-dried by the first drying mechanism 2 on both sides of the top of the drying cylinder 1 and transported to the drying cylinder 1. Under the action of the blower 7 and the air heating box 8, hot air is continuously input into the drying cylinder 1 through the air inlet pipe 9 to dry the powder material; the second motor 12 is started, and the second motor 12 drives the stirring shaft 13 to rotate, driving the stirring blade 14 to rotate to turn the powder material so that the powder material is dried evenly; after drying, the bottom cover 20 of the discharge port 18 is opened for discharge, and the second filter screen 19 of the discharge port 18 filters the powder material, and the agglomerated and incompletely dried powder material is retained in the drying cylinder 1; the cylinder 17 is opened, and the cylinder 17 drives the scraper plate 15 to reciprocate in the vertical direction, driving the brush 16 to clean the inner wall of the drying cylinder 1 to avoid residual powder material in the drying cylinder 1 and cause loss.

[0061] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0062] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A drying device, characterized in that: It comprises a drying cylinder, a drying mechanism, a material turning mechanism and a material receiving mechanism, wherein the material turning mechanism and the material receiving mechanism are both arranged inside the drying cylinder; the drying mechanism comprises a first drying mechanism and a second drying mechanism, wherein the first drying mechanism is arranged at both sides of the top of the drying cylinder and is connected to the drying cylinder, and the second drying mechanism is arranged at the upper part and the bottom of the drying cylinder and is connected to the drying cylinder; The material collecting mechanism comprises a material collecting component and a material discharging component, wherein the material collecting component is arranged inside the drying cylinder, and the material discharging component is arranged at the bottom of the drying cylinder; The material collecting assembly includes a scraper plate, a brush and a cylinder. The cylinder is arranged on the top of the drying cylinder and is connected to the scraper plate. The brush is circumferentially arranged on the scraper plate and abuts against the inner wall of the drying cylinder. The cylinder drives the scraper plate to reciprocate in the vertical direction.

2. A drying device according to claim 1, characterized in that: The first drying mechanism includes a drying box, a first motor, an agitator and an electric heating tube; the electric heating tube is arranged on the inner wall of the drying box, the agitator is arranged inside the drying box, and the first motor drives the agitator to rotate to stir and transfer the powder material to the drying cylinder.

3. A drying device according to claim 1, characterized in that: The second drying mechanism includes a blower, an air heating box and an air inlet pipe; the air inlet pipe is connected to the drying cylinder, and a heating resistor is provided inside the air heating box to heat the air; a first filter is provided at the air inlet pipe to filter impurities in the air.

4. A drying device according to claim 3, characterized in that: The material turning mechanism comprises a second motor, a stirring shaft and a plurality of stirring blades, wherein the second motor is arranged at the top center of the drying cylinder, the stirring blades are arranged on the stirring shaft, and the second motor drives the stirring shaft to rotate to turn the powder material.

5. A drying device according to claim 1, characterized in that: The scraper plate is an annular structure.

6. A drying device according to claim 1, characterized in that: The discharge assembly comprises a discharge port and a second filter screen. The discharge port is arranged at the bottom of the drying cylinder, and the second filter screen is arranged in the discharge port to filter the dried powder material.

7. A drying device according to claim 1, characterized in that: The upper part of the drying cylinder is a cylindrical structure, and the bottom of the drying cylinder is a funnel-shaped structure.

8. A drying device according to claim 6, characterized in that: A bottom cover is provided on the discharge port.

Images