CN115682665A - High-efficient even drying device of medicinal material - Google Patents
High-efficient even drying device of medicinal material Download PDFInfo
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- CN115682665A CN115682665A CN202211333519.2A CN202211333519A CN115682665A CN 115682665 A CN115682665 A CN 115682665A CN 202211333519 A CN202211333519 A CN 202211333519A CN 115682665 A CN115682665 A CN 115682665A
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- 238000001035 drying Methods 0.000 title claims abstract description 153
- 239000000463 material Substances 0.000 title claims abstract description 146
- 238000005303 weighing Methods 0.000 claims abstract description 41
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 12
- 238000005485 electric heating Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 239000011425 bamboo Substances 0.000 description 10
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 241000883990 Flabellum Species 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000035508 accumulation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000004260 weight control Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a high-efficiency uniform drying device for medicinal materials, which comprises a rotating main shaft, wherein an air duct with a hollow air duct is sleeved outside the rotating main shaft, a plurality of raised fan blades are arranged on the inner wall of the air duct along the circumferential direction, and a plurality of air holes are arranged on the wall of the air duct along the circumferential direction; a drying cylinder with a feeding door and a discharging door is rotatably sleeved outside the air cylinder, an air inlet is formed in the inner cylinder wall of the drying cylinder corresponding to the air hole, a first drying device and a spiral fan blade are arranged inside the drying cylinder, an air outlet pipe is arranged at one end of the outer cylinder wall of the drying cylinder, and the air outlet end of the air outlet pipe is connected with the air inlet end of the air cylinder; a precise weighing device is arranged below the drying cylinder corresponding to the discharge door, and a second drying device is arranged at the bottom of the precise weighing device; according to the invention, the medicinal materials can be effectively prevented from being accumulated, and can be uniformly dried in a direction of 360 degrees, so that the occupied area is reduced, the drying efficiency of the medicinal materials can be effectively improved, and the drying uniformity of the medicinal materials is ensured.
Description
Technical Field
The invention belongs to the technical field of traditional Chinese medicinal material drying devices, and particularly relates to a high-efficiency uniform drying device for medicinal materials.
Background
The processing procedure of chinese-medicinal material generally includes processes such as screening, washing, stoving, cutting, in order to guarantee the drug effect of medicinal material, avoids the medicinal material to decay, is convenient for follow-up cutting work to the medicinal material simultaneously. After the medicinal materials are cleaned, the medicinal materials are generally required to be continuously dried so as to control the water content in the medicinal materials. The existing medicinal material drying generally comprises the steps of drying a large amount of medicinal materials in a flat manner on a drying net or a drying conveyer belt, and then arranging a fan and a heating device at the top or the bottom of the medicinal materials to dry the medicinal materials. The existing drying mode has the following defects:
firstly, in order to tile the medicinal materials as much as possible, the bearing surface of a drying net or a drying conveyor belt needs to be arranged large enough, so that the drying equipment occupies too much space; secondly, it is difficult to guarantee that a large amount of medicinal materials evenly tile, in case the medicinal material is piled up, only adopt the mode of drying to medicinal material top or bottom just can only dry the medicinal material on top layer, but the medicinal material of inlayer just is difficult to realize effectively drying, causes the inhomogeneous problem of medicinal material stoving degree.
Therefore, the invention discloses a high-efficiency uniform drying device for medicinal materials, which aims at solving the problems of large occupied space, low drying efficiency and difficulty in ensuring uniformity of drying degree of the medicinal materials in the conventional medicinal material drying device.
Disclosure of Invention
The invention aims to provide an efficient and uniform drying device for medicinal materials, which can effectively avoid accumulation of the medicinal materials, can uniformly dry the medicinal materials in a direction of 360 degrees, can effectively improve the drying efficiency of the medicinal materials while reducing the occupied area, and can ensure the drying uniformity of the medicinal materials.
The invention is realized by the following technical scheme:
a high-efficiency uniform drying device for medicinal materials comprises a rotating main shaft, wherein an air duct with a hollow air duct is sleeved outside the rotating main shaft, a plurality of raised fan blades are arranged on the inner wall of the air duct along the circumferential direction, and a plurality of air holes communicated with the hollow air duct are arranged on the wall of the air duct along the circumferential direction; a drying cylinder with a feeding door and a discharging door is rotatably sleeved on the outer side of the air cylinder, an air inlet is formed in the inner cylinder wall of the drying cylinder and corresponds to the air hole, a first drying device and a spiral fan blade are arranged inside the drying cylinder, an air outlet pipe is arranged at one end of the outer cylinder wall of the drying cylinder, and the air outlet end of the air outlet pipe is connected with the air inlet end of the air cylinder; the lower part of the drying cylinder is provided with an accurate weighing device corresponding to the discharge door, and the bottom of the accurate weighing device is provided with a second drying device.
The air duct and the drying drum rotate synchronously, when the air duct rotates, air flow is introduced into the hollow air duct through the raised fan blades arranged on the inner drum wall of the air duct, and the air flow entering the hollow air duct further flows to the air inlet in the inner drum wall of the drying drum through the air holes in the drum wall of the air duct and then enters the inside of the drying drum through the air inlet. Make the air current can use the axis of dryer to get into a stoving section of thick bamboo as the direction of central orientation with 360 diffusions all around, drive its inside helical fan blade through the rotation of a stoving section of thick bamboo simultaneously and turn the medicinal material for the medicinal material evenly distributes and can not appear a large amount of accumulations the condition. Simultaneously, the air current of 360 diffusions of first drying device cooperation through a stoving section of thick bamboo inside is dried the medicinal material high-efficiently, and the even medicinal material that stirs also can guarantee with the air current of 360 diffusions that the medicinal material can be in comparatively loose state under abundant contact air current with be heated, and then improved the stoving effect and the drying efficiency of medicinal material greatly, can not appear leading to only surface medicinal material to dry qualified and inside medicinal material not enough problem of drying because of the medicinal material piles up in a large number in traditional medicinal material drying equipment.
The medicinal material through preliminary stoving is discharged to accurate weighing device through the discharge door on the section of thick bamboo of drying and is accurately weighed, carries out the secondary according to the weight control second drying device that accurately weighs simultaneously and dries to the medicinal material for the weight of medicinal material reaches standard stoving weight.
In order to better realize the invention, the first drying device further comprises an electric heating sheet arranged inside the air inlet and an electric heating net arranged close to the inner wall of the air duct, and one side of the electric heating net close to the inside of the air duct is provided with an isolation cover.
In order to better implement the present invention, the spiral fan blade includes a small-diameter spiral fan blade and a large-diameter spiral fan blade that are coaxially disposed, and a spiral air guiding plate is disposed between the small-diameter spiral fan blade and the large-diameter spiral fan blade.
In order to better realize the invention, the accurate weighing device comprises a material bearing net, a rotating device, a weighing sensor and an installation base, wherein the rotating device is arranged at the bottom of the installation base, the material bearing net is arranged at the top of the installation base, the weighing sensor is arranged between the material bearing net and the installation base, and a spiral conveying belt is arranged on the material bearing surface of the material bearing net.
In order to better implement the invention, the second drying device further comprises a drying fan and a drying heat pipe, an air outlet of the drying fan is arranged corresponding to the top of the material bearing net, and the drying heat pipe is arranged corresponding to the bottom of the material bearing net.
In order to better realize the invention, a water absorbing layer is further arranged between the air outlet end of the air outlet pipe and the air inlet end of the air duct.
In order to better implement the invention, further, a compensation fan is arranged at the air inlet end of the air duct.
In order to better implement the present invention, further, a coarse weighing device is disposed at the bottom of the drying cylinder, and the coarse weighing device is configured to weigh the drying cylinder and the weight of the medicinal material inside the drying cylinder.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) According to the invention, the air duct is arranged on the outer side of the rotating main shaft, the raised fan blades are circumferentially arranged on the inner wall of the air duct, the air holes are circumferentially arranged on the wall of the air duct, when the air duct is driven to rotate by rotating the main shaft, the raised fan blades can be driven to rotate to introduce air flow into the hollow air duct inside the air duct, then the air flow diffuses and flows into the air holes in a 360-degree direction around the axis of the air duct, and then further enters the inside of the drying duct through the air inlet in the inner wall of the drying duct, so that 360-degree uniform blowing of medicinal materials inside the drying duct is realized, meanwhile, the medicinal materials are turned by matching with the rotation of the drying duct, the medicinal materials are prevented from being stacked, the medicinal materials are fully contacted with the air flow in the turning process, the first drying device is used for heating the medicinal materials, the drying effect on the medicinal materials is greatly improved, and the problem of inconsistent drying degree caused by uneven spreading and stacking of the medicinal materials is also avoided;
(2) According to the invention, the traditional drying mode of spreading the medicinal materials is replaced by a mode of adding the medicinal materials into the cylindrical structure of the drying cylinder for drying, so that the drying effect of the medicinal materials is ensured, and meanwhile, the occupied space of drying equipment is effectively reduced;
(3) According to the invention, the preliminarily dried medicinal material is transmitted to the precise weighing device, the weight of the medicinal material is precisely weighed by the precise weighing device, and meanwhile, the medicinal material is secondarily dried according to the precisely weighed weight, so that the weight of the medicinal material can reach the standard drying weight, and the water content of the medicinal material is accurately controlled.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 isbase:Sub>A sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic structural diagram of the precision weighing device.
Wherein: 1-rotating the main shaft; 2, an air duct; 3-a raised fan blade; 4-drying the cylinder; 5-spiral fan blades; 6-a precise weighing device; 001-a first drying device; 0011-electric heating plate; 0012-electric heating net; 51-small diameter spiral fan blade; 52-large diameter spiral fan blade; 53-spiral wind-guiding piece; 61-a material bearing net; 62-a rotating device; 63-a weighing sensor; 64-mounting a base.
Detailed Description
Example 1:
the efficient and uniform medicinal material drying device comprises a rotating main shaft 1, wherein an air duct 2 with a hollow air duct is sleeved outside the rotating main shaft 1, a plurality of raised fan blades 3 are circumferentially arranged on the inner wall of the air duct 2, and a plurality of air holes communicated with the hollow air duct are circumferentially arranged on the wall of the air duct 2; a drying cylinder 4 with a feeding door and a discharging door is rotatably sleeved on the outer side of the air cylinder 2, an air inlet is formed in the inner cylinder wall of the drying cylinder 4 corresponding to an air hole, a first drying device 001 and a spiral fan blade 5 are arranged inside the drying cylinder 4, an air outlet pipe is arranged at one end of the outer cylinder wall of the drying cylinder 4, and the air outlet end of the air outlet pipe is connected with the air inlet end of the air cylinder 2; the lower part of the drying cylinder 4 is provided with an accurate weighing device 6 corresponding to the discharge door, and the bottom of the accurate weighing device 6 is provided with a second drying device.
One end of the rotating main shaft 1 is connected with a driving speed reducer, and the rotating main shaft 1 is driven to rotate by the driving speed reducer. When the rotating main shaft 1 rotates, the air duct 2 and the raised fan blades 3 on the inner wall of the air duct are driven to rotate, and vortex is formed by rotation of the raised fan blades 3 and air flow is sucked into the hollow air duct of the air duct 2. The outer wall of the drying cylinder 4 is provided with a gear ring, the gear ring is meshed with an output gear of the air cylinder driving speed reducer, the air cylinder driving speed reducer drives the drying cylinder 4 to synchronously rotate relative to the air cylinder 2, and the synchronous rotation means that the drying cylinder 4 and the air cylinder 2 rotate at the same speed.
When the medicinal materials need to be dried, the cleaned medicinal materials are added into the drying cylinder 4 from the feeding door on the drying cylinder 4, and then the drying cylinder 4 and the air cylinder 2 are driven to synchronously rotate. Drive its inside spiral fan blade 5 when drying cylinder 4 rotates and turn the medicinal material, avoid the medicinal material to pile up the blocking in drying cylinder 4 is inside. The air flow is generated in the hollow air duct by the rotation of the air duct 2, the air flow enters the air inlet on the inner wall of the drying drum 4 in the direction of 360-degree diffusion around the axis of the air duct 2 by taking the axis of the air duct 2 as the center, and then the air flow further enters the inside of the drying drum 4 through the air inlet. Simultaneously, the first drying device 001 in the drying cylinder 4 heats and dries the medicinal materials in the drying cylinder 4, and the airflow in the drying cylinder 4 is matched to efficiently and primarily dry the medicinal materials which are uniformly stirred.
After the preliminary stoving of medicinal material is accomplished, dryer 2 and a stoving section of thick bamboo 4 stall, the discharge door discharge to accurate weighing device 6 on the medicinal material passes through a stoving section of thick bamboo 4, carries out the accurate weighing through the weight of the medicinal material after preliminary stoving of accurate weighing device 6, then carries out the accurate stoving of secondary to the medicinal material according to the second drying device of the weight control accurate weighing device 6 bottom of weighing for the weight of medicinal material reaches predetermined standard stoving weight.
Example 2:
the embodiment is further optimized on the basis of the above embodiment 1, as shown in fig. 2, the first drying device 001 includes an electric heating sheet 0011 disposed inside the air inlet and an electric heating net 0012 disposed near an inner wall of the air duct 2, and a shielding case is disposed on one side of the electric heating net 0012 near the inside of the air duct 2.
When the air current of dryer 2 inside gets into drying cylinder 4 inside through the air intake, receive electric heat piece 0011's heating, take away the moisture in the medicinal material that can be more rapid through the hot gas flow. Simultaneously, in order to guarantee the efficiency that the medicinal material was dried and the homogeneity that the stoving is heated, be provided with annular electric heat net 0012 in the inside one side that is close to the inner tube wall of dryer 2, carry out 360 auxiliary heating stoving through electric heat net 0012 to the medicinal material, further promote the efficiency that the medicinal material was dried.
Simultaneously, in order to avoid the direct damage of medicinal material with the medicinal material contact of electric heat net 0012, consequently be provided with the cage in the outside of electric heat net 0012 and be used for keeping apart electric heat net 0012 and medicinal material each other.
Further, a temperature sensor is arranged inside the drying cylinder 4 and used for monitoring the temperature inside the drying cylinder 4 in real time.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
Example 3:
the present embodiment is further optimized based on the above embodiment 1 or 2, as shown in fig. 2, the spiral fan blade 5 includes a small-diameter spiral fan blade 51 and a large-diameter spiral fan blade 52 that are coaxially disposed, and a spiral air guiding sheet 53 is disposed between the small-diameter spiral fan blade 51 and the large-diameter spiral fan blade 52.
The small-diameter spiral fan blades 51 are arranged close to the inner wall of the drying cylinder 4, and the large-diameter spiral fan blades 52 are arranged close to the outer wall of the drying cylinder 4. Rotation through a stoving section of thick bamboo 4 drives path spiral fan blade 51 and big footpath spiral fan blade 52 and rotates in step, and then turns over through path spiral fan blade 51 and big footpath spiral fan blade 52 to the inside medicinal material of a stoving section of thick bamboo 4 and stirs for the medicinal material is more even in the inside distribution of a stoving section of thick bamboo 4, avoids the medicinal material to pile up the caking in a stoving section of thick bamboo 4 inside and lead to the degree of drying not enough.
Simultaneously, in order to guarantee that the air current that gets into drying cylinder 4 can flow rapidly between the medicinal material, consequently be provided with spiral guide vane 53 between path spiral flabellum 51 and big footpath spiral flabellum 52, spiral guide vane 53 can lead the air current for the air current can flow rapidly to big footpath spiral flabellum 52 from path spiral flabellum 51, avoids forming the sinuous flow in drying cylinder 4 inside.
The rest of this embodiment is the same as embodiment 1 or 2, and therefore, the description thereof is omitted.
Example 4:
the present embodiment is further optimized on the basis of any one of the above embodiments 1 to 3, as shown in fig. 3, the precise weighing device 6 includes a material bearing net 61, a rotating device 62, a weighing sensor 63, and an installation base 64, the bottom of the installation base 64 is provided with the rotating device 62, the top of the installation base 64 is provided with the material bearing net 61, the weighing sensor 63 is arranged between the material bearing net 61 and the installation base 64, and the material bearing surface of the material bearing net 61 is provided with a spiral conveyer belt.
The material bearing net 61 is funnel-shaped, and the upper surface of the material bearing net 61 is a material bearing surface. The rotating device 62 includes a rotating speed reducer and a rotating platform, the mounting base 64 is disposed on the top of the rotating platform, and the rotating speed reducer drives the rotating platform and the mounting base 64 to rotate. The primarily dried medicinal materials fall onto the material bearing surface of the material bearing net 61 through the discharge door on the drying cylinder 4 and fall to the center of the material bearing net 61 along the inclined material bearing surface. The medicinal materials are spirally conveyed to the edge of the material bearing net 61 in batches by the material bearing net 61 along with the rotation of the rotary table. Hold the edge of material net 61 and be provided with the stoving export, it is provided with the medicinal material conveyer belt to correspond the stoving export. The medicinal material carries out auger delivery's in-process in holding material net 61, accurately weighs the weight of the medicinal material after tentatively drying through weighing sensor 63 to control second drying device and carry out the secondary to the medicinal material and dry, make the weight of medicinal material reach predetermined standard stoving weight.
Other parts of this embodiment are the same as any of embodiments 1 to 3, and thus are not described again.
Example 5:
the present embodiment is further optimized on the basis of any one of the above embodiments 1 to 3, wherein the second drying device includes a drying fan and a drying heat pipe, an air outlet of the drying fan is disposed corresponding to the top of the material holding net 61, and the drying heat pipe is disposed corresponding to the bottom of the material holding net 61.
Drying fan is used for drying to the top of medicinal material, and the stoving heat pipe is used for drying to the bottom of medicinal material, and then guarantees the stoving effect of medicinal material, avoids appearing the problem that medicinal material unilateral is dried inadequately.
Other parts of this embodiment are the same as any of embodiments 1 to 3, and thus are not described again.
Example 6:
this embodiment is further optimized on the basis of any of the above embodiments 1-3, a water absorbing layer is disposed between the air outlet end of the air outlet pipe and the air inlet end of the air duct 2, and the airflow inside the drying duct 4 flows back to the air inlet end of the air duct 2 through the air outlet end of the air outlet pipe to realize recycling of hot airflow, so as to reduce energy consumption. But in order to prevent that the moisture that the air current will carry from reintroducing into the inside of drying cylinder 4, consequently be provided with the layer that absorbs water between the air-out end of tuber pipe and the air inlet end of dryer 2, the layer that absorbs water presents loose porous structure so that the air current passes through, is provided with the drier that absorbs water in the layer that absorbs water simultaneously for absorb the moisture in the air current, make the maintenance of backward flow to drying cylinder 4 dry.
Furthermore, a compensation fan is arranged at the air inlet end of the air duct 2, and when the air flow in the air duct 2 is insufficient, the compensation fan compensates and introduces air flow into the hollow air duct of the air duct 2, so that sufficient air flow is ensured to subsequently enter the drying drum 4.
Other parts of this embodiment are the same as any of embodiments 1 to 3, and thus are not described again.
Example 7:
this embodiment is further optimized on the basis of any one of the above embodiments 1 to 3, and a coarse weighing device is disposed at the bottom of the drying cylinder 4, and the coarse weighing device is configured to weigh the drying cylinder 4 and the weight of the medicinal material inside the drying cylinder 4.
The coarse weighing device comprises a wide-range weighing sensor, the original weight of the drying cylinder 4 is recorded in the coarse weighing device, after the medicinal material is added into the drying cylinder 4, the total weight of the drying cylinder 4 and the medicinal material is weighed through the coarse weighing device, and then the original weight of the drying cylinder 4 is subtracted through the total weight to obtain the coarse weight of the medicinal material. When the medicinal materials are dried in the drying cylinder 4 until the coarse weight reaches the coarse drying calibration weight, the medicinal materials can be discharged to the accurate weighing device 6 for accurate weighing and subsequent secondary drying.
Other parts of this embodiment are the same as any of embodiments 1 to 3, and thus are not described again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modifications and equivalent variations of the above embodiment according to the technical spirit of the present invention are within the scope of the present invention.
Claims (8)
1. A high-efficiency uniform drying device for medicinal materials comprises a rotating main shaft (1), and is characterized in that an air duct (2) with a hollow air duct is sleeved outside the rotating main shaft (1), a plurality of raised fan blades (3) are arranged on the inner wall of the air duct (2) along the circumferential direction, and a plurality of air holes communicated with the hollow air duct are arranged on the wall of the air duct (2) along the circumferential direction; a drying cylinder (4) with a feeding door and a discharging door is rotatably sleeved on the outer side of the air cylinder (2), an air inlet is formed in the inner cylinder wall of the drying cylinder (4) corresponding to an air hole, a first drying device (001) and a spiral fan blade (5) are arranged inside the drying cylinder (4), an air outlet pipe is arranged at one end of the outer cylinder wall of the drying cylinder (4), and the air outlet end of the air outlet pipe is connected with the air inlet end of the air cylinder (2); the lower part of the drying cylinder (4) is provided with an accurate weighing device (6) corresponding to the discharge door, and the bottom of the accurate weighing device (6) is provided with a second drying device.
2. The efficient and uniform drying device for medicinal materials according to claim 1, wherein the first drying device (001) comprises an electric heating sheet (0011) arranged inside the air inlet and an electric heating net (0012) arranged close to the inner wall of the air duct (2), and a shielding case is arranged on one side of the electric heating net (0012) close to the inside of the air duct (2).
3. The efficient and uniform drying device for medicinal materials according to claim 1, wherein the spiral fan blades (5) comprise a small-diameter spiral fan blade (51) and a large-diameter spiral fan blade (52) which are coaxially arranged, and a spiral air guide sheet (53) is arranged between the small-diameter spiral fan blade (51) and the large-diameter spiral fan blade (52).
4. The efficient and uniform drying device for medicinal materials according to any one of claims 1 to 3, wherein the accurate weighing device (6) comprises a material bearing net (61), a rotating device (62), a weighing sensor (63) and an installation base (64), the rotating device (62) is arranged at the bottom of the installation base (64), the material bearing net (61) is installed at the top of the installation base (64), the weighing sensor (63) is arranged between the material bearing net (61) and the installation base (64), and a spiral conveying belt is arranged on the material bearing surface of the material bearing net (61).
5. The efficient and uniform drying device for medicinal materials according to claim 4, wherein the second drying device comprises a drying fan and a drying heat pipe, an air outlet of the drying fan is arranged corresponding to the top of the material bearing net (61), and the drying heat pipe is arranged corresponding to the bottom of the material bearing net (61).
6. The efficient and uniform drying device for medicinal materials according to any one of claims 1 to 3, wherein a water absorbing layer is arranged between the air outlet end of the air outlet pipe and the air inlet end of the air duct (2).
7. The efficient and uniform drying device for medicinal materials as claimed in claim 6, wherein a compensation fan is arranged at the air inlet end of the air duct (2).
8. The efficient and uniform drying device for medicinal materials according to any one of claims 1 to 3, wherein a coarse weighing device is arranged at the bottom of the drying cylinder (4), and is used for weighing the drying cylinder (4) and the medicinal materials inside the drying cylinder (4).
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| CN202211333519.2A CN115682665B (en) | 2022-10-28 | 2022-10-28 | Efficient and uniform medicinal material drying device |
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| CN202211333519.2A CN115682665B (en) | 2022-10-28 | 2022-10-28 | Efficient and uniform medicinal material drying device |
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