CN217737775U - Material drying equipment and medicine production system - Google Patents

Abstract

The utility model belongs to the technical field of the medicine production device technique and specifically relates to a material drying equipment and medicine production system are related to. The material drying equipment comprises: the device comprises a stirring drying device, an exhaust gas recovery device and a heating device; the stirring and drying device comprises a drying tank, a stirring driving piece and a stirring piece, wherein the stirring driving piece is connected with the drying tank, the stirring piece extends into the drying tank, and the stirring driving piece is in transmission connection with the stirring piece so as to drive the stirring piece to rotate; the drying tank is provided with a feed inlet, a discharge outlet and an air outlet, and the air outlet is communicated with the exhaust recovery device; the heating device is connected with the drying tank to heat the interior of the drying tank. The utility model provides a material drying equipment can improve material drying's efficiency.

Description

Material drying equipment and medicine production system

Technical Field

The utility model belongs to the technical field of the medicine production device technique and specifically relates to a material drying equipment and medicine production system are related to.

Background

Drying is an important link in traditional Chinese medicine production, particularly drying of the inclusion compound, and the drying efficiency of the inclusion compound can influence the production efficiency of medicines. Therefore, a material drying device with high drying efficiency is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a material drying equipment and medicine production system to solve above-mentioned technical problem to a certain extent.

The utility model provides a material drying equipment, include: the device comprises a stirring drying device, an exhaust gas recovery device and a heating device; the stirring and drying device comprises a drying tank, a stirring driving piece and a stirring piece, wherein the stirring driving piece is connected with the drying tank, the stirring piece extends into the drying tank, and the stirring driving piece is in transmission connection with the stirring piece so as to drive the stirring piece to rotate; the drying tank is provided with a feed inlet, a discharge outlet and an air outlet, and the air outlet is communicated with the exhaust recovery device; the heating device is connected with the drying tank to heat the inside of the drying tank.

Adding the material to be dried into a drying tank through a feeding hole; the heating device works to heat the drying tank, and the temperature in the drying tank rises, so that the moisture in the material is evaporated to realize drying, namely the heating device can realize drying; meanwhile, the stirring driving piece works to drive the stirring piece to rotate, and the stirring piece stirs the materials in the drying tank to roll the materials, so that the materials can be dried uniformly; the gas in the drying tank enters the exhaust gas recovery device, the materials carried in the gas are intercepted and recovered in the exhaust gas recovery device, and the exhaust gas recovery device can be controlled to exhaust outwards as required, so that moisture is discharged; the material after reaching the drying of requirement can be discharged by the discharge gate the utility model provides an among the material drying equipment, heating device can dry the material, and simultaneously, stirring driving piece drive stirring piece stirs the material for material drying is even, can improve the drying efficiency of material.

Further, the drying tank is also provided with an air inlet, and the air inlet is used for introducing air.

Further, in the direction of height of drying cylinder, the air inlet sets up the bottom of drying cylinder, the gas outlet sets up the top of drying cylinder, the feed inlet sets up the top of drying cylinder, the discharge gate sets up the bottom of drying cylinder.

Further, the exhaust gas recovery device comprises a vacuum filter and an air suction power part; the vacuum filter comprises a recovery bin, a filtering structure and an exhaust bin, the recovery bin is communicated with the exhaust bin, and the filtering structure is arranged at the communication position of the recovery bin and the exhaust bin; the recovery bin is communicated with the air outlet, and the exhaust bin is communicated with the air exhaust power part.

Further, the heating device comprises a heating cavity and a heating pipeline arranged in the heating cavity; the heating cavity wraps the outer wall of the drying tank, a heating gas inlet is formed in one end of the heating pipeline, and a heating gas outlet is formed in the other end of the heating pipeline.

Further, the heating pipe is spirally wound on the outer wall of the drying tank.

Further, the stirring piece comprises a stirring shaft and a stirring rod connected with the stirring shaft, the length direction of the stirring shaft is the same as the height direction of the drying tank, and the length direction of the stirring rod is intersected with the length direction of the stirring shaft; the stirring shaft is provided with a plurality of stirring rods, and the plurality of stirring rods are arranged at intervals along the length direction of the stirring shaft; the end part of the stirring rod is contacted with the inner wall of the drying tank; the stirring driving piece is in transmission connection with the stirring shaft.

Furthermore, the stirring piece also comprises a scraper which is connected with one end of the stirring rod far away from the stirring shaft; on the longitudinal section of the stirring shaft, the scraper blade and the stirring rod are arranged at an angle.

Further, the cross-sectional area of the drying tank is gradually reduced from top to bottom; the material drying equipment further comprises a storage bin, and the storage bin is communicated with the bottom of the drying tank.

Further, the material drying equipment also comprises a granulating device, wherein the granulating device is used for granulating the material into particles; and the discharge hole of the granulating device is communicated with the feed inlet.

The utility model provides a medicine production system, including above-mentioned material drying equipment.

It is to be understood that both the foregoing general description and the following detailed description are for purposes of illustration and description and do not necessarily limit the disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of the disclosure. Together, the description and drawings serve to explain the principles of the disclosure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a material drying apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a material drying apparatus according to another embodiment of the present invention;

fig. 3 is a schematic structural view of a material drying apparatus according to another embodiment of the present invention;

fig. 4 is a schematic structural diagram of an agitation drying apparatus and a heating apparatus according to an embodiment of the present invention.

An icon: 10-stirring and drying device; 20-an exhaust gas recovery device; 30-a heating device; 40-a storage bin; 50-granulating device; 11-drying tank; 12-a stirring drive; 13-a feed inlet; 14-a discharge hole; 15-air outlet; 16-an air inlet; 17-a stirring shaft; 18-a stirring rod; 19-a scraper; 21-vacuum filter; 22-an air extraction power part; 211-a recovery bin; 212-an exhaust bin; 31-heating the cavity; 32-heating the pipeline; 33-a heated gas inlet; 34-heated gas outlet.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be noted that the embodiment of the present invention provides a material drying apparatus, which can be used for not only drying the inclusion compound in the pharmaceutical field, but also drying the material in other fields.

As shown in fig. 1 to 4, the utility model provides a material drying device, include: a stirring and drying device 10, an exhaust gas recovery device 20, and a heating device 30; the stirring and drying device 10 comprises a drying tank 11, a stirring driving part 12 and a stirring part, wherein the stirring driving part 12 is connected with the drying tank 11, the stirring part extends into the drying tank 11, and the stirring driving part 12 is in transmission connection with the stirring part to drive the stirring part to rotate; the drying tank 11 is provided with a feed inlet 13, a discharge outlet 14 and an air outlet 15, and the air outlet 15 is communicated with an exhaust gas recovery device 20; the heating device 30 is connected to the drying tank 11 to heat the inside of the drying tank 11.

In the embodiment, the material to be dried is added into the drying tank 11 through the feeding hole 13; the heating device 30 works to heat the drying tank 11, and the temperature in the drying tank 11 rises, so that the moisture in the material is evaporated to realize drying, namely the heating device 30 can realize drying; meanwhile, the stirring driving part 12 works to drive the stirring part to rotate, and the stirring part stirs the materials in the drying tank 11 to roll the materials, so that the materials can be dried uniformly; the gas discharged from the gas outlet 15 enters the exhaust gas recovery device 20, the materials carried in the gas are intercepted and recovered in the exhaust gas recovery device 20, and the exhaust gas recovery device 20 can be controlled to exhaust outwards according to the requirement, so that the moisture is discharged; the dried material meeting the requirement can be discharged out of the drying tank 11 through a discharge port 14. In the material drying equipment that this embodiment provided, heating device 30 can be dried the material, and simultaneously, stirring driving piece 12 drive stirring piece stirs the material for the material is dry even, can improve the drying efficiency of material.

As shown in fig. 1 to 4, in addition to the above embodiments, the drying tank 11 is further provided with a gas inlet 16, and the gas inlet 16 is used for introducing gas.

In the embodiment, the material to be dried is added into the drying tank 11 through the feeding hole 13; the heating device 30 works to heat the drying tank 11, so that the temperature in the drying tank 11 is increased, and the moisture in the material is evaporated to realize drying, namely the heating device 30 can realize drying; meanwhile, gas is introduced into the drying tank 11 through the gas inlet 16, and the gas can be discharged out of the drying tank 11 through the gas outlet 15, so that gas flow can be formed in the process, the material in the drying tank 11 is blown, a part of moisture can be taken away in the process, and the material is dried, namely, air drying can be realized; when the heating device 30 and the air inlet 16 work, the stirring driving part 12 works to drive the stirring part to rotate, and the stirring part stirs the materials in the drying tank 11, so that the materials roll, and the materials can be dried uniformly; the gas discharged from the gas outlet 15 enters the exhaust gas recovery device 20, the materials carried in the gas are intercepted and recovered in the exhaust gas recovery device 20, and the exhaust gas recovery device 20 can be controlled to exhaust outwards according to the requirement, so that the moisture is discharged. The air inlet 16 is used for air inlet and the air outlet 15 is used for air outlet, so that air flowing can be realized in the drying tank 11, the materials can be air-dried, and the drying efficiency of the materials can be further improved by air-drying and matching with the drying of the heating device.

The drying tank 11 may be provided with an air inlet 16, an air outlet 15, an inlet 13 and an outlet 14 as required.

As an alternative, as shown in fig. 1 to 4, in the height direction of the drying tank 11, the air inlet 16 is disposed at the bottom of the drying tank 11, the air outlet 15 is disposed at the top of the drying tank 11, the feed inlet 13 is disposed at the top of the drying tank 11, and the discharge outlet 14 is disposed at the bottom of the drying tank 11.

In this embodiment, the feeding port 13 is disposed at the top of the drying tank 11, the material can be filled into the drying tank 11 from the top of the drying tank 11, and the material moves from top to bottom in the drying tank 11; the air inlet 16 is arranged at the bottom of the drying tank 11, the air outlet 15 is arranged at the top of the drying tank 11, and then airflow from bottom to top can be formed; the air current and material convection current, the air current can be more abundant with the material contact, more can improve drying efficiency.

As shown in fig. 1 to 4, in addition to the above embodiments, further, the exhaust gas recovery device 20 includes a vacuum filter 21 and a suction power member 22; the vacuum filter 21 comprises a recovery bin 211, a filtering structure and an exhaust bin 212, wherein the recovery bin 211 is communicated with the exhaust bin 212, and the filtering structure is arranged at the communication position of the recovery bin 211 and the exhaust bin 212; the recovery bin 211 communicates with the air outlet 15 and the exhaust bin 212 communicates with the extraction power member 22.

In this embodiment, the air pumping power component 22 works to pump out the air in the recovery bin 211 and form a negative pressure in the recovery bin 211, so as to pump out the air in the drying tank 11, the air enters the recovery bin 211 from the air outlet 15, and then passes through the filtering structure, the filtering structure intercepts the materials carried in the air, and the materials are gathered in the recovery bin 211; the remaining gases pass through the filter structure and enter the exhaust plenum 212 where they are then extracted by the extraction motive power unit 22. The air exhaust power part 22 can be intermittently controlled to work as required, and gas containing moisture is timely exhausted, so that the material drying efficiency is improved.

Wherein, the filtering structure can adopt a conventional filter core structure.

Wherein, the air-extracting power part 22 can be a vacuum pump or an exhaust fan.

On the basis of the above embodiment, further, the heating device 30 may include an electric heating member (e.g., an electric heating wire, an electric heating rod, or a PTC heating element) surrounding the drying tub 11, and the drying tub 11 is heated by electric heating.

As an alternative, the heating device 30 comprises a heating cavity 31 and a heating pipe 32 arranged in the heating cavity 31; the heating cavity 31 is wrapped on the outer wall of the drying tank 11, one end of the heating pipeline 32 is provided with a heating gas inlet 33, and the other end of the heating pipeline 32 is provided with a heating gas outlet 34.

In this embodiment, can let in high-temperature gas (high-temperature gas means the temperature that is higher than the normal atmospheric temperature and can make the gas of the moisture evaporation of material) to heating tube 32 through heating gas import 33, high-temperature gas flows out by heating gas export 34 behind the heating tube 32, high-temperature gas gives the gas heating in heating cavity 31 at the flow in-process, heating cavity 31 gives drying chamber 11 with heat transfer again, heating tube 32 also can directly give drying chamber 11 with heat transfer, the temperature in drying chamber 11 rises, thereby dry the material. The heating device 30 is simple in structure and low in cost.

As an alternative, the heating cavity 31 is an annular shell, an opening at one side of the shell is formed, the drying tank 11 seals the opening of the shell, and therefore the heating cavity 31 can directly transmit heat to the drying tank 11, heat transmission efficiency is improved, and material drying efficiency is improved.

Wherein, the number of the heating pipeline 32 may be a plurality of, a plurality of heating pipelines 32 are arranged along the circumference of the drying tank 11 at intervals, and the two ends of each heating pipeline 32 form a heating gas inlet 33 and a heating gas outlet 34 respectively.

As an alternative, as shown in fig. 1 to 4, the heating pipeline 32 is spirally wound on the outer wall of the drying tank 11, and this structure can realize that one heating pipeline 32 is provided to heat the heating cavity 31 and the drying tank 11, so as to facilitate connection of the external high-temperature gas supply device and the heating gas inlet 33, connection of the external gas collection device and the heating gas outlet 34, and control.

It should be noted that the heated gas inlet may be disposed above the drying tank, and the heated gas outlet is disposed below the drying tank; alternatively, the heated gas inlet may be disposed below the drying tank and the heated gas outlet may be disposed above the drying tank.

As shown in fig. 1 to 4, on the basis of any of the above embodiments, further, the stirring member includes a stirring shaft 17 and a stirring rod 18 connected to the stirring shaft 17, the length direction of the stirring shaft 17 is the same as the height direction of the drying tank 11, and the length direction of the stirring rod 18 intersects with the length direction of the stirring shaft 17; the number of the stirring rods 18 is multiple, and the stirring rods 18 are arranged at intervals along the length direction of the stirring shaft 17; the end of the stirring rod 18 is in contact with the inner wall of the drying tank 11; the stirring driving member 12 is in transmission connection with the stirring shaft 17.

In this embodiment, the stirring driving member 12 (for example, a motor) works to drive the rotation of the stirring shaft 17, the stirring shaft 17 drives the stirring rod 18 to rotate by taking the central line of the stirring shaft 17 as the center, the end of the stirring rod 18 far away from the stirring shaft 17 is abutted to the inner wall of the drying tank 11, so that the stirring rod 18 can scrape and rub the inner wall of the drying tank 11 in the rotating process, if materials are adhered to the inner wall of the drying tank 11, the stirring rod 18 can scrape the material flow, the materials are prevented from being retained on the inner wall of the drying tank 11, and the materials are saved.

Wherein, the length direction of the stirring rod 18 intersects with the length direction of the stirring shaft 17, and the length direction of the stirring rod 18 and the length direction of the stirring shaft 17 can form an acute angle or an obtuse angle. Optionally, the length direction of the stirring rod 18 is perpendicular to the length direction of the stirring shaft 17, and the two are right-angled, so that the processing is convenient; wherein, puddler 18 can be L shape setting with (mixing) shaft 17, and optional puddler 18 and (mixing) shaft 17 can be "ten" font setting, and the both ends of puddler 18 all can with the inner wall butt of drying tank 11 for the material is scraped more thoroughly.

As shown in fig. 1 to fig. 4, in addition to the above embodiment, further, the stirring member further includes a scraper 19, and the scraper 19 is connected to an end of the stirring rod 18 far from the stirring shaft 17; on a longitudinal section of the mixer shaft 17 (i.e. a plane parallel to or coinciding with the centre axis of the mixer shaft 17), the scraper 19 is arranged at an angle to the mixer shaft.

In this embodiment, the scraper 19 can increase the contact area between the stirring rod 18 and the inner wall of the drying tank 11, so that the material staying on the inner wall of the drying tank 11 can be scraped in a wider range.

In the longitudinal section of the stirring shaft 17, the scraper 19 and the stirring rod 18 may be substantially L-shaped or substantially T-shaped.

On the basis of the above embodiments, further, the structure of the drying tank 11 may be various, and all that is needed is to dry the material, for example: may be in the shape of a straight cylinder, and the drying tank may be in the shape of an arc, etc.

As an alternative, the drying tank 11 at least comprises a gradual change section with the cross-sectional area gradually decreasing from top to bottom, and the discharge port can be arranged at the bottom of the gradual change section; the material drying device further comprises a storage bin 40, and the storage bin 40 is communicated with the discharge hole 14.

In this embodiment, the material in the drying tank 11 is gathered at the bottom of the drying tank 11; when the moisture content of the material in the drying tank 11 reaches a set target value (a humidity sensor and other elements can be arranged in the drying tank 11), the gas sources can be closed (for example, a gas supply device communicated with the gas inlet 16, a high-temperature gas supply device communicated with the heating gas inlet 33 and the air extraction power piece 22); the discharge hole at the bottom of the drying tank 11 is opened, and the material enters the storage bin 40, so that the dried material is conveniently collected.

As shown in fig. 3, in addition to the above embodiment, the material drying apparatus further includes a granulating device 50, the granulating device 50 is used for granulating the material into granules, and the discharge port of the granulating device 50 is communicated with the feed port 13.

In this embodiment, the material (e.g., the inclusion compound) may be placed in a granulating device 50 (e.g., a granulator, a screen, or the like), the granulating device 50 may throw the granulated material out of the granules or the strips to which the granules are adhered, and the granulated material may be dried in the drying tank 11. The sizing device 50 sizes the material into regular particles (for example, spherical particles), and helps to evaporate moisture on the surface and inside of the material, thereby further improving the drying efficiency. In addition, the gas introduced from the gas inlet 16 can also evacuate the gaps among the particles, which is more beneficial to drying and can improve the drying efficiency.

In some embodiments, the sized material falls into the discharge port of the material arranging device, the air-extracting power part 22 works to form negative pressure in the exhaust bin 212, so that the material can be sucked into the drying tank 11 from the discharge port of the sizing device 50, and a power part (such as a power pump) is not arranged in the sizing device 50 and the drying tank 11, so that the material drying equipment has a simple structure; high-temperature air enters from the heating gas inlet 33 and flows out from the heating gas outlet 34, so that the heating cavity is heated, the temperature in the drying tank 11 is further driven to rise, meanwhile, the stirring driving piece 12 drives the stirring shaft 17 to rotate, the stirring rod 18 is driven to rotate, the material is further driven to turn over in the drying tank 11, and then the moisture evaporation amount is increased; air is introduced into the air inlet 16, so that the materials can be in a separation state under the drive of wind, and the evaporation capacity of water is increased; during this period, the suction power member 22 is in an intermittent open state, ensuring the inside humid air to be discharged, and intercepting and then recovering the material with high dryness. After the moisture in the drying tank 11 reaches the target value, various air sources are closed, a discharge port below the drying tank 11 is opened, and the material flows into the storage bin 40, so that the drying of a batch of material is completed.

The embodiment of the utility model provides a medicine production system is still provided, including the material drying equipment of any above-mentioned technical scheme, therefore, have this material drying equipment's whole beneficial technological effect, here, no longer give unnecessary details.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects. In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description. Moreover, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments, not other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments.

Claims (10)

1. A material drying apparatus, comprising: an exhaust gas recovery device (20) and a heating device (30) of the stirring and drying device (10); the stirring and drying device (10) comprises a drying tank (11), a stirring driving part (12) and a stirring part, wherein the stirring driving part (12) is connected with the drying tank (11), the stirring part extends into the drying tank (11), and the stirring driving part (12) is in transmission connection with the stirring part to drive the stirring part to rotate; a feed inlet (13), a discharge outlet (14) and an air outlet (15) are formed in the drying tank (11), and the air outlet (15) is communicated with the exhaust gas recovery device (20); the heating device (30) is connected to the drying tank (11) to heat the interior of the drying tank (11).

2. The material drying equipment according to claim 1, characterized in that the drying tank (11) is further provided with an air inlet (16), and the air inlet (16) is used for introducing air.

3. The material drying apparatus according to claim 2, wherein in the height direction of the drying tank (11), the air inlet (16) is arranged at the bottom of the drying tank (11), the air outlet (15) is arranged at the top of the drying tank (11), the feed inlet (13) is arranged at the top of the drying tank (11), and the discharge outlet (14) is arranged at the bottom of the drying tank (11).

4. The material drying apparatus according to claim 2, wherein the exhaust gas recovery device (20) comprises a vacuum filter (21) and a suction power member (22); the vacuum filter (21) comprises a recovery bin (211), a filtering structure and an exhaust bin (212), wherein the recovery bin (211) is communicated with the exhaust bin (212), and the filtering structure is arranged at the communication position of the recovery bin (211) and the exhaust bin (212); the recovery bin (211) is communicated with the air outlet (15), and the exhaust bin (212) is communicated with the air exhaust power part (22).

5. The material drying apparatus according to claim 1, wherein the heating device (30) comprises a heating chamber (31) and a heating duct (32) arranged within the heating chamber (31); heating cavity (31) parcel is in the outer wall of drying cylinder (11), the one end of heating pipeline (32) is equipped with heated gas import (33), the other end of heating pipeline (32) is equipped with heated gas export (34).

6. Material drying plant according to claim 5, characterized in that the heating pipe (32) is helically wound on the outer wall of the drying vessel (11).

7. The material drying equipment according to claim 1, wherein the stirring member comprises a stirring shaft (17) and a stirring rod (18) connected with the stirring shaft (17), the length direction of the stirring shaft (17) is the same as the height direction of the drying tank (11), and the length direction of the stirring rod (18) intersects with the length direction of the stirring shaft (17); the number of the stirring rods (18) is multiple, and the stirring rods (18) are arranged at intervals along the length direction of the stirring shaft (17); the end of the stirring rod (18) is in contact with the inner wall of the drying tank (11); the stirring driving part (12) is in transmission connection with the stirring shaft (17).

8. The material drying apparatus according to claim 7, wherein the stirring member further comprises a scraper (19), the scraper (19) being connected to an end of the stirring rod (18) remote from the stirring shaft (17); on the longitudinal section of the stirring shaft (17), the scraper (19) and the stirring rod are arranged at an angle.

9. The material drying apparatus according to any one of claims 1-8, characterized in that the material drying apparatus further comprises a pelletizing device (50), the pelletizing device (50) being configured to pelletize the material; the discharge hole of the granulating device (50) is communicated with the feed hole (13).

10. A pharmaceutical production system comprising a material drying apparatus according to any one of claims 1 to 9.

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