CN116026116A

CN116026116A - Nux vomica drying device

Info

Publication number: CN116026116A
Application number: CN202211606178.1A
Authority: CN
Inventors: 李艳; 唐丽婧; 穆祯强
Original assignee: Chongqing Medical and Pharmaceutical College
Current assignee: Chongqing Medical and Pharmaceutical College
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-04-28

Abstract

The invention belongs to the technical field of traditional Chinese medicine processing equipment, and provides a nux vomica drying device, which comprises: the machine body is provided with a drying chamber, and the drying chamber is provided with a feed inlet and a discharge outlet; the material lifting assembly is arranged in the drying chamber; the first driving assembly is used for driving the material lifting assembly to rotate; and heating assembly, it is used for drying the nux vomica granule in the drying chamber in order to reach the purpose of concocting, it includes: a first air tank for storing oxygen; the feeding end of the first conveying pump is communicated with the discharging port of the first air storage tank, and the discharging end of the first conveying pump is communicated with the air inlet of the drying chamber; the feeding end of the second conveying pump is communicated with the air outlet of the drying chamber, and the air outlet end of the second conveying pump is communicated with the air inlet of the first air storage tank; and a heating unit disposed at an air inlet end or an air outlet end of the first transfer pump. The nux vomica drying device provided by the invention has the advantages of simple structure, reasonable design and better attenuation and synergy effects.

Description

Nux vomica drying device

Technical Field

The invention relates to the technical field of traditional Chinese medicine processing equipment, in particular to a nux vomica drying device.

Background

Semen Strychni is dry mature seed of Strychnos nux-vomicB (Strychnos nux-vomicB L.) belonging to Strychnos family, and is one of the traditional Chinese medicines commonly used in clinical practice. It has bitter taste, good cold property, and strong toxicity, and has effects of dredging collaterals, relieving pain, resolving hard mass, and relieving swelling, and can be used as medicine. Because of extremely strong toxicity of nux vomica, clinical cases of nux vomica poisoning are often reported, which greatly limit clinical application of nux vomica. Therefore, research on attenuation and increase (storage) of nux vomica has become a recent research hotspot.

The chemical components of semen Strychni include alkaloids, glycosides, organic acids, fatty oil, protein, polysaccharide, etc., wherein the alkaloids are main effective components. The alkaloid comprises strychnine, isostearin, isostrychnine, pseudostrychnine, strychnine oxynitride, strychnine, alpha-Lu Bolin, beta-Lu Bolin, nofarnesin, ecajin, strychnine, isobrucine oxynitride, 2-hydroxy-3-methoxybrucine, etc. In the alkaloids, strychnine and strychnine are the main components, the strychnine accounts for about 50% of the total alkaloids, and the strychnine accounts for about 30% -40%. The toxicity of the raw nux vomica is severe, the alkaloid components strychnine and strychnine are both effective components and toxic components, wherein the strychnine has the strongest toxicity, the treatment amount is very similar to the poisoning amount, the adult can feel toxic after taking 5-10mg strychnine for 1 time, 30mg can die, and the infant can die after taking 5mg orally. Therefore, nux vomica should be processed and then used as a drug.

The traditional processing technique is sand scalding, i.e. the processing method of putting the nux vomica and river sand into a medicine pot, heating and stir-frying to achieve the purpose of processing. However, the "attenuation and synergy" effect of this processing method is not ideal.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a nux vomica drying device so as to improve the effects of attenuation and synergy.

In order to achieve the above object, the present invention provides a nux vomica drying device comprising:

the machine body is provided with a drying chamber, and the drying chamber is provided with a feed inlet and a discharge outlet;

the material lifting assembly is arranged in the drying chamber;

the first driving assembly is used for driving the material lifting assembly to rotate; and

the heating element, it is used for drying the nux vomica granule in the drying chamber in order to reach the purpose of concocting, and it includes:

a first air tank for storing oxygen;

the feeding end of the first conveying pump is communicated with the discharging port of the first air storage tank, and the discharging end of the first conveying pump is communicated with the air inlet of the drying chamber;

the feeding end of the second conveying pump is communicated with the air outlet of the drying chamber, and the air outlet end of the second conveying pump is communicated with the air inlet of the first air storage tank; and

and the heating unit is arranged at the air inlet end or the air outlet end of the first conveying pump.

Further, the material lifting assembly comprises:

the rotating shaft is rotationally connected with the machine body;

the material lifting disc is provided with a material lifting groove, the material lifting groove is in a V shape or a wide-mouth arc shape, a plurality of material lifting discs are uniformly arranged around the axial line of the rotating shaft and are in rotary connection with the rotating shaft, in a natural state, the opening of the material lifting groove faces upwards, the material lifting disc can rotate along the rotating shaft along a first direction between a station I, a station I I, a station I I and a station IV around the axial line of the rotating shaft, when the material lifting disc is positioned at the station I, the rotating axial line of the material lifting disc is positioned above the rotating axial line of the rotating shaft, when the material lifting disc is positioned at the station I I, the rotating axial line of the material lifting disc is positioned at one side of the rotating axial line of the rotating shaft, and when the material lifting disc is positioned at the station I I, the rotating axial line of the material lifting disc is positioned below the rotating axial line of the rotating shaft, and when the material lifting disc is positioned at the station IV, the rotating axial line of the material lifting disc is positioned at the other side of the rotating axial line of the rotating shaft;

the limiting component is arranged on the side wall of the lifting tray and/or the drying chamber and is used for limiting the lifting tray, so that in the process that the lifting tray rotates from the station I to the station IV sequentially through the station I I and the station II, the opening direction of the lifting chute is perpendicular to the rotation center line of the lifting tray and the rotation center line of the rotating shaft, and the opening direction of the lifting chute is the same as the rotation direction of the rotating shaft; and

the second driving assembly is arranged on the material lifting disc and/or the machine body and is used for driving the material lifting disc at the station I to rotate along the first direction by a preset angle alpha along the axis line of the material lifting disc at the station I, wherein alpha is more than or equal to 85 degrees and less than or equal to 95 degrees.

Further, the spacing assembly includes:

the limiting block is arc-shaped, the circular axis of the limiting block is coincident with the axis of the rotating shaft, and the limiting block is arranged at the first end of the lifting tray and fixedly connected with the lifting tray; and

and the limiting groove is arc-shaped, the circular axis of the limiting groove is coincident with the axis of the rotating shaft, and the limiting groove is arranged on the side wall of the drying chamber.

Further, the second driving assembly includes:

the first driving block is arranged at the second end of the lifting tray and is fixedly connected with the lifting tray;

the second driving block is arranged below the first driving block, can do reciprocating linear motion between a first working position B and a second working position B along a direction which is transversely towards to and away from the first driving block, and extends out of the side wall of the drying chamber when the second driving block is in the first working position B so that the top of the second driving block is in contact with the bottom of the first driving block, and is retracted into the side wall of the drying chamber when the second driving block is in the second working position B;

the third driving assembly is arranged on the machine body and is used for driving the second driving block to rotate by a preset angle alpha along the first direction; and

and the fourth driving assembly is arranged on the machine body and is used for driving the second driving block to reciprocate between the first working position B and the second working position B.

Further, the heating unit includes:

a heating device for heating oxygen; and

and the temperature regulating device is used for controlling the heating temperature of the heating device to the oxygen.

Further, the heating assembly further comprises a second air storage tank, the second air storage tank is used for storing inert gas, and an air outlet and an air inlet of the second air storage tank are respectively communicated with an air inlet end of the first conveying pump and an air outlet end of the second conveying pump.

The invention has the beneficial effects that:

according to the nux vomica drying device, the first air storage tank for storing oxygen is arranged, so that oxygen is introduced into the drying chamber while the nux vomica is heated, dried and processed, and after oxidation, the toxicity of components of the nux vomica is reduced, the drug effect is increased, and the effects of attenuation and synergy are improved.

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 description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

Fig. 1 is a perspective view of a nux vomica dryer according to an embodiment of the present invention;

fig. 2 is a sectional view of the nux vomica drying device shown in fig. 1;

fig. 3 is an enlarged view at a shown in fig. 2;

FIG. 4 is a cross-sectional view in the direction B-B shown in FIG. 2;

FIG. 5 is a cross-sectional view in the direction C-C shown in FIG. 2;

fig. 6 is an enlarged view at E shown in fig. 5;

FIG. 7 is a sectional view in the direction D-D shown in FIG. 2;

fig. 8 is an enlarged view at F shown in fig. 7.

Reference numerals:

the machine body 100, the drying chamber 110, the feeding channel 120, the first valve assembly 130, the first valve plate 131, the first electric push rod 132, the second valve assembly 140, the second valve plate 141, the second electric push rod 142, the main material channel 150, the first auxiliary material channel 160, the second auxiliary material channel 170, the material distributing assembly 180, the material distributing plate 181, the second motor 182, the material lifting assembly 200, the rotating shaft 210, the material lifting tray 220, the limiting assembly 230, the limiting block 231, the limiting groove 232, the second driving assembly 240, the first driving block 241, the second driving block 242, the third driving assembly 243, the fourth driving assembly 244, the first driving assembly 300, the heating assembly 400, the first air storage tank 410, the first conveying pump 420, the second conveying pump 430, the heating unit 440 and the second air storage tank 450.

Detailed Description

Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.

It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, the meaning of "plurality" is two or more unless specifically defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

As shown in fig. 1 to 8, the present invention provides a nux vomica dryer, which includes a machine body 100, a material lifting assembly 200, a first driving assembly 300, and a heating assembly 400.

The machine body 100 is fixedly installed on the frame, the machine body 100 is provided with a drying chamber 110, and the drying chamber 110 is provided with a feed inlet and a discharge outlet which are communicated.

The material lifting assembly 200 is installed in the drying chamber 110, and is used for lifting the nux vomica particles in the drying chamber 110 so that the nux vomica particles can be uniformly heated. The first driving assembly 300 is mounted on the machine body 100, and is used for driving the material lifting assembly 200 to rotate, so that the material lifting assembly 200 can lift the nux vomica particles in the drying chamber 110. Specifically, the first driving assembly 300 includes a first motor fixedly mounted on the body 100. The heating assembly 400 is used for heating and drying the nux vomica particles in the drying chamber 110 for processing. Specifically, the heating assembly 400 includes a first air tank 410, a first transfer pump 420, a second transfer pump 430, and a heating unit 440.

The first gas tank 410 is used to store oxygen. Since the research shows that the main component of nux vomica has larger toxicity, the toxicity of the component is reduced and the drug effect is increased after oxidation. Therefore, during the drying process, oxygen is filled into the drying chamber 110, so that some components to be oxidized can be oxidized more fully, and the processing effect is more ideal.

The feeding end of the first transfer pump 420 is communicated with the discharging port of the first air tank 410, and the discharging end is communicated with the air inlet of the drying chamber 110. The second transfer pump 430 has a feed end connected to the air outlet of the drying chamber 110 and an air outlet end connected to the air inlet of the first air tank 410. Of course, the air outlet of the first air tank 410 is provided with a first control valve, and the air inlet is provided with a second control valve.

The heating unit 440 is installed at an inlet end or an outlet end of the first transfer pump 420, and is used for heating the oxygen transferred from the first transfer pump 420.

When in use, the first control valve is opened, and oxygen enters the drying chamber 110 after being heated under the action of the heating unit 440 and the first delivery pump 420, so as to achieve the purpose of drying and processing the nux vomica particles. The oxygen in the drying chamber 110 is returned to the first air tank 410 by the second transfer pump 430.

The drying device with the structure has better attenuation and synergy effects on the nux vomica.

Preferably, the machine body 100 is fixedly provided with a feeding channel 120, and the feeding channel 120 is communicated with a feeding port of the drying chamber 110. The first valve assembly 130 includes a first valve plate 131 and a first electric push rod 132 for driving the first valve plate 132 to open or close.

The machine body 100 is further provided with a second valve assembly 140, a main material channel 150, a first auxiliary material channel 160, a second auxiliary material channel 170 and a distributing assembly 180. The second valve assembly 140 includes a second valve plate 141 disposed at a discharge port of the drying chamber 110 and a second electric push rod 142 for driving the second valve plate 141 to open and close. Specifically, the second valve plate 141 has an arc shape, and the inner diameter of the second valve plate 141 is adapted to the inner diameter of the drying chamber 110 so that the food assembly can lift all nux vomica particles in the drying chamber 110.

The material distributing assembly 180 comprises a material distributing plate 181 and a second motor 182, the material distributing assembly 180 is arranged at the tail end of the main material channel 150, the material distributing plate 181 is hinged with the machine body 100 and can swing reciprocally between a first working position A and a second working position A around the hinge center line of the material distributing plate 181, when the material distributing plate 181 is positioned at the first working position A, the material distributing plate 181 opens the first auxiliary material channel 160 and closes the second auxiliary material channel 170, and when the material distributing plate 181 is positioned at the second working position A, the material distributing plate 181 closes the first auxiliary material channel 160 and opens the second auxiliary material channel 170. The second motor 182 is fixedly connected with the distributing plate 181, and is used for driving the distributing plate 181 to swing back and forth between the first working position A and the second working position A. The semen Strychni granule after processing can flow to different places by the material separating component 180.

In one embodiment, the lifter assembly 200 includes a spindle 210, a lifter plate 220, a stop assembly 230, and a second drive assembly 240.

The rotating shaft 210 is rotatably connected with the machine body 100, and a power input end of the rotating shaft 210 is in transmission connection with the first driving assembly 300.

The material raising trays 220 have material raising grooves, the material raising grooves are in a V shape or a wide-mouth arc shape, the number of the material raising trays 220 is a plurality of, and the plurality of material raising trays 220 are uniformly arranged around the axial line of the rotating shaft 210 and are rotationally connected with the rotating shaft 210. Specifically, two ends of the lifting tray 220 are respectively connected with a connecting piece in a rotating manner through a connecting shaft, and the connecting piece is fixedly connected with the rotating shaft 210. In particular, the connection piece may be a connection plate or a connection disc. In a natural state, the opening of the material lifting groove faces upwards, and the material lifting disc 220 can rotate along the axis of the rotating shaft 210 along the first direction (i.e. clockwise or anticlockwise) along with the rotating shaft 210 between the station I, the station II, the station III and the station IV. When the lifting tray 220 is at the station I, the axis of rotation 210 of the lifting tray 220 is located above the rotation center line of the rotation shaft 210, when the lifting tray 220 is at the station II, the axis of rotation 210 of the lifting tray 220 is located at one side of the rotation center line of the rotation shaft 210, when the lifting tray 220 is at the station III, the axis of rotation 210 of the lifting tray 220 is located below the rotation center line of the rotation shaft 210, and when the lifting tray 220 is at the station IV, the axis of rotation 210 of the lifting tray 220 is located at the other side of the rotation center line of the rotation shaft 210.

The limiting component 230 is mounted on a sidewall of the lifting tray 220 and/or the drying chamber 110, and is used for limiting the lifting tray 220, so that an opening direction of the lifting chute is perpendicular to a rotation center line of the lifting tray 220 and a rotation center line of the rotating shaft 210 in a process that the lifting tray 220 rotates from the station I to the station IV sequentially through the station II and the station III, and the opening direction of the lifting chute is the same as the rotation direction of the rotating shaft 210. When in use, under the action of the limiting component 230, in the process that the lifting tray 220 rotates from the station I to the station IV sequentially through the station II and the station III, the opening direction of the lifting chute is perpendicular to the rotation center line of the lifting tray 220 and the rotation center line of the rotating shaft 210, and the opening direction of the lifting chute is the same as the rotation direction of the rotating shaft 210, so that the lifting tray 220 can load the nux vomica particles in the drying chamber 110 into the lifting chute. In the process of moving the lifting tray 220 from the station IV to the station I, the nux vomica particles in the lifting tray 220 cannot be poured out of the lifting tray 220 due to the lack of the limiting function of the limiting component 230.

A second drive assembly 240 is provided on the lift pan 220 and/or the machine body 100 for driving the lift pan 220 at station I to rotate about its own axis in a first direction by a predetermined angle α, wherein 85 ° is equal to or greater than 95 °. When the semen Strychni granule lifting device is used, the lifting tray 220 rotates by the preset angle alpha under the action of the second driving component 240 when the semen Strychni granule lifting tray 220 moves to the station I, so that the semen Strychni granule lifting device can be used for lifting the semen Strychni granule lifting device 220.

The lifting assembly 200 with the structure can pour the nux vomica only when the lifting tray 220 moves to the highest position, namely, when the station I is reached, the lifting tray 220 can pour the nux vomica, so that the nux vomica particles in the drying chamber 110 can be fully contacted with hot air in the drying chamber 110, and the nux vomica particles just falling off can not be generated when the lifting tray 220 is filled with the nux vomica particles at the bottom of the drying chamber 110, and the aim of uniformly heating is fulfilled.

Preferably, the material lifting disc 220 is provided with a plurality of through holes communicated with the material lifting groove.

In one embodiment, the stop assembly 230 includes a stop 231 and a stop slot 232.

The limiting block 231 is arc-shaped, the center line of the limiting groove 232 coincides with the center line of the rotating shaft 210, and the limiting block is arranged at the first end of the lifting tray 220 and fixedly connected with the lifting tray 220. Specifically, the stopper 231 is fixedly connected to one of the connecting shafts. The limiting groove 232 is matched with the limiting block 231, namely the limiting block 231 is inserted in the limiting groove 232 in a sliding mode, the limiting groove 232 is arc-shaped, the center line of the limiting groove 232 coincides with the center line of the rotating shaft 210, and the limiting groove 232 is formed in the side wall of the drying chamber 110.

When in use, the rotating shaft 210 rotates with the lifting tray 220, the limiting block 231 slides in the limiting groove 232 along with the rotation of the lifting tray 220, and the lifting tray 220 cannot rotate under the action of the limiting block 231 and the limiting groove 232, so that the purpose that the opening direction of the lifting groove is perpendicular to the rotation center line of the lifting tray 220 and the rotation center line of the rotating shaft 210, and the opening direction of the lifting groove is the same as the rotation direction of the rotating shaft 210 is achieved.

The limiting component 230 with the structure has the advantages of simple structure and reasonable design.

In one embodiment, the second drive assembly 240 includes a first drive block 241, a second drive block 242, a third drive assembly 243, and a fourth drive assembly 244.

The first driving block 241 is disposed at the second end of the lifting tray 220 and is fixedly connected with the lifting tray 220. Specifically, the first driving block 241 is fixedly connected to another connection shaft.

The second driving block 242 is located below the first driving block 241, and is capable of reciprocating rectilinear motion between a first working position B and a second working position B in a direction laterally approaching or separating from the first driving block 241, and when the second driving block 242 is in the first working position B, the second driving block 242 extends beyond the sidewall of the drying chamber 110 such that the top of the second driving block 242 abuts against the bottom of the first driving block 241, and when the second driving block 242 is in the second working position B, the second driving block 242 is retracted within the sidewall of the drying chamber 110.

The third driving assembly 243 is mounted on the machine body 100, and is used for driving the second driving block 242 to rotate a preset angle α along the first direction. Specifically, the third driving assembly 243 includes a third motor, and a power output shaft of the third motor is fixedly connected with the second driving block 242.

A fourth driving assembly 244 is provided on the body 100 for driving the second driving block to reciprocate between the first operating position B and the second operating position B. Specifically, the fourth driving assembly 244 includes a third electric push rod, a power output shaft of the third electric push rod is fixedly connected with a third motor, and the third motor is slidably connected with the machine body 100. When the electric driving device is used, the third motor is driven to move by the third electric push rod, so that the purpose of driving the second driving block 242 to move is achieved.

In use, the second driving block 242 is driven to reciprocate between the first working position B and the second working position B by the third motor through the extension and contraction of the third electric push rod.

When the lifting tray 220 moves to the station I with the nux vomica particles, the third electric push rod drives the second driving block 242 to move to the first working position B, so that the top of the second driving block 242 is in contact with the bottom of the first driving block 241, and then the third motor drives the second driving block 242 to rotate by a preset angle α, so as to drive the first driving block 241 to rotate by the preset angle α, and further drive the lifting tray 220 to rotate by the preset angle α.

After all the nux vomica particles in the lifting tray 220 are poured out, the first motor drives the rotating shaft 210 to rotate, so that the limiting block 231 slides into the limiting groove 232, and the purpose of limiting the lifting tray 220 is achieved.

In one embodiment, the heating unit 440 includes a heating device and a temperature regulating device.

The heating device is used for heating the oxygen. The temperature regulating device is used for controlling the heating temperature of the heating device to the oxygen. When in use, the temperature adjusting device is used for adjusting the heating temperature of the heating device for oxygen. Preferably, the heating temperature of the heating means may be adjusted between 0 and 300 ℃.

In one embodiment, the heating assembly 400 further includes a second air tank 450, and the inert gas is stored in the second air tank 450, so that the processing machine can process not only the medicinal materials such as nux vomica, which need to be oxidized, but also other medicinal materials that do not need to be oxidized. Of course, the air outlet and the air inlet of the second air storage tank 450 are respectively provided with a third control valve and a fourth control valve.

In the description of the present invention, numerous specific details are set forth. However, it is understood 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.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.

Claims

1. A nux vomica drying device which is characterized in that: comprising the following steps:

the material lifting assembly is arranged in the drying chamber;

a first air tank for storing oxygen;

2. The drying apparatus according to claim 1, wherein: the material lifting assembly comprises:

the rotating shaft is rotationally connected with the machine body;

the material lifting disc is provided with a material lifting groove, the material lifting groove is in a V shape or a wide-mouth arc shape, a plurality of material lifting discs are uniformly arranged around the axial line of the rotating shaft and are in rotary connection with the rotating shaft, in a natural state, the opening of the material lifting groove faces upwards, the material lifting disc can rotate along the rotating shaft along a first direction between a station I, a station II, a station III and a station IV along the axial line of the rotating shaft, when the material lifting disc is positioned at the station I, the rotary axial line of the material lifting disc is positioned above the rotary central line of the rotating shaft, when the material lifting disc is positioned at the station II, the rotary axial line of the material lifting disc is positioned at one side of the rotary central line of the rotating shaft, when the material lifting disc is positioned at the station III, the rotary axial line of the material lifting disc is positioned at the lower side of the rotary central line of the rotating shaft, and when the material lifting disc is positioned at the station IV, the rotary axial line of the material lifting disc is positioned at the other side of the rotary central line of the rotating shaft;

the limiting component is arranged on the side wall of the lifting tray and/or the drying chamber and is used for limiting the lifting tray, so that in the process that the lifting tray rotates from the station I to the station IV sequentially through the station II and the station III, the opening direction of the lifting chute is perpendicular to the rotation center line of the lifting tray and the rotation center line of the rotating shaft, and the opening direction of the lifting chute is the same as the rotation direction of the rotating shaft; and

3. The drying apparatus according to claim 2, wherein: the spacing subassembly includes:

4. A drying apparatus according to claim 3, wherein: the second driving assembly includes:

5. The drying apparatus according to any one of claims 1 to 4, wherein: the heating unit includes:

a heating device for heating oxygen; and

6. The drying apparatus according to any one of claims 1 to 4, wherein: the heating assembly further comprises a second air storage tank, the second air storage tank is used for storing inert gas, and an air outlet and an air inlet of the second air storage tank are respectively communicated with an air inlet end of the first conveying pump and an air outlet end of the second conveying pump.