CN113390235A - Preparation process and vacuum drying device of tablets - Google Patents

Preparation process and vacuum drying device of tablets Download PDF

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Publication number
CN113390235A
CN113390235A CN202110687252.6A CN202110687252A CN113390235A CN 113390235 A CN113390235 A CN 113390235A CN 202110687252 A CN202110687252 A CN 202110687252A CN 113390235 A CN113390235 A CN 113390235A
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CN
China
Prior art keywords
shaft
rotating arm
drying
main shaft
bevel gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202110687252.6A
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Chinese (zh)
Inventor
张晓宇
刘亚
赵双龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
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Filing date
Publication date
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Priority to CN202110687252.6A priority Critical patent/CN113390235A/en
Publication of CN113390235A publication Critical patent/CN113390235A/en
Withdrawn legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
    • F26B11/14—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a horizontal or slightly-inclined plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/02—Applications of driving mechanisms, not covered by another subclass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/04—Agitating, stirring, or scraping devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06—Chambers, containers, or receptacles
    • F26B25/08—Parts thereof

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention relates to the technical field of drying, and provides a preparation process of tablets and a vacuum drying device, which comprise a drying furnace, wherein a partition plate is arranged in the drying furnace to divide the drying furnace into three mutually separated drying cavities; the first main shaft is rotatably arranged in the drying furnace; rabbling mechanism all is equipped with rabbling mechanism in every dry chamber, include: the first rotating arm is arranged on the first main shaft; the second rotating arm is rotatably arranged on the partition plate; one end of the third rotating arm is rotatably arranged with the first rotating arm, and the other end of the third rotating arm is rotatably arranged with the second rotating arm; the stirring shaft is provided with stirring blades, and the stirring shaft and a rotating shaft of the third rotating arm on the first rotating arm synchronously rotate; and the driving mechanism drives the first main shaft to rotate in a reciprocating manner, so that the first rotating arm swings in the corresponding drying cavity. Through above-mentioned technical scheme, the problem that the vacuum drying machine among the prior art can't dry multiple material simultaneously, and the efficiency is lower when there are multiple material to dry is solved.

Description

Preparation process and vacuum drying device of tablets
Technical Field
The invention relates to the technical field of drying, in particular to a preparation process of a tablet and a vacuum drying device.
Background
The vacuum drier is a vacuum low-temperature device for heating materials. The vacuum dryer is used for dehydrating and drying agricultural and sideline products, health products, foods, medicinal materials, fruits and vegetables, chemical raw materials and the like with high added value and heat sensitivity; the method is used for low-temperature concentration of chemical products, removal of crystal water, drying of enzyme preparations and the like, and vacuum extraction of Chinese herbal medicines, and is suitable for experiments in scientific research institutions.
The existing vacuum drying machine can only dry one material, cannot dry several materials simultaneously, and needs to dry several materials in many times in actual production, at the moment, either multiple vacuum drying machines need to be purchased to increase the cost, or drying is needed to be performed in sequence to increase the time, and the efficiency is low.
Disclosure of Invention
The invention provides a preparation process and a vacuum drying device of tablets, and solves the problems that a vacuum drying machine in the prior art cannot simultaneously dry various materials, and the efficiency is low when various materials need to be dried.
The technical scheme of the invention is as follows:
a vacuum drying device comprises
The drying furnace is internally provided with a partition plate, and is divided into three mutually separated drying cavities;
the first main shaft is rotatably arranged in the drying furnace and is coaxial with the drying furnace;
rabbling mechanism, every all be equipped with rabbling mechanism in the dry chamber, rabbling mechanism includes:
a first rotating arm disposed on the first spindle, the first rotating arm rotating with the first spindle;
the second rotating arm is rotatably arranged on the partition plate;
one end of the third rotating arm is rotatably arranged with the first rotating arm, and the other end of the third rotating arm is rotatably arranged with the second rotating arm;
the stirring shaft is provided with stirring blades, and the stirring shaft and a rotating shaft of the third rotating arm on the first rotating arm synchronously rotate;
and the driving mechanism drives the first main shaft to rotate in a reciprocating manner, so that the first rotating arm swings in the corresponding drying cavity.
Further, the drying oven further includes:
the shaft cylinder is coaxial with the drying furnace, the partition plate is arranged on the shaft cylinder and the wall of the drying furnace,
the first spindle is provided with a first flange, a first upright post is arranged on the first flange corresponding to the drying cavity, the first spindle is inserted into the shaft barrel, so that the first upright post is located in the drying cavity, and the first rotating arm is arranged on the first upright post.
Further, be equipped with the shaft hole in the first main shaft, still include:
the second main shaft is rotatably arranged in the shaft hole, the rotating direction of the second main shaft is opposite to that of the first main shaft, and a stirring mechanism is arranged on the second main shaft.
Furthermore, a second flange is arranged on the second main shaft, a second upright post is arranged on the second flange corresponding to the drying cavity, the second main shaft is inserted into the shaft hole, so that the second upright post is located in the drying cavity, and the first rotating arm is arranged on the second upright post.
Further, the drive mechanism includes:
a first bevel gear disposed on the first spindle;
a second bevel gear disposed on the second spindle, the second bevel gear opposing the first bevel gear;
the driving bevel gear is meshed with the first bevel gear and the second bevel gear;
and the motor drives the driving bevel gear to rotate.
Further, the driving mechanism further includes:
the driving shaft is connected with an output shaft of the motor, a first groove which surrounds the driving shaft and is closed is arranged on the side wall of the driving shaft, and the direction of the first groove is changed in the axial direction of the driving shaft;
the driven shaft is sleeved on the driving shaft, a second groove is formed in the side wall of the driven shaft, the second groove is spiral and forms an included angle with the first groove, and the driving bevel gear is arranged on the driven shaft;
the guide rod is arranged in a sliding mode along the axial direction of the driving shaft and inserted into the first groove and the second groove.
Furthermore, a guide hole is arranged on the stirring blade.
A process for preparing a tablet by simultaneously drying a plurality of raw materials using the vacuum drying apparatus as claimed in any one of claims 1 to 7.
The working principle and the beneficial effects of the invention are as follows:
the drying furnace is divided into three mutually separated drying cavities by the partition board, a stirring mechanism is arranged in each drying cavity for stirring, the stirring mechanism is driven to rotate in a reciprocating mode through the driving mechanism, the stirring mechanism comprises a first rotating arm rotating along with a first main shaft, a second rotating arm arranged on the partition plate in a rotating mode, two ends of the third rotating arm are respectively arranged on the first rotating arm and the second rotating arm in a rotating mode, the first main shaft rotates in a reciprocating mode, the first rotating arm swings, the second rotating arm swings, the third rotating arm and the first rotating arm and the second rotating arm rotate relatively, the stirring shaft is arranged on the rotating shafts of the third rotating arm and the first rotating arm and rotates along with the rotating shafts, the stirring blades stir materials in the drying cavities, the stirring mechanism is ingenious in structural design, and stirring in three drying cavities can be achieved through the driving of the main shaft in a reciprocating mode. Divide into three drying chamber with the drying furnace through setting up the baffle, every drying intracavity can be used for the dry different material to design mixer mechanism and stir the material of drying intracavity in every drying intracavity, can effectively promote drying efficiency, it is higher especially when having multiple material to need carry out drying.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the internal structure of a drying furnace;
FIG. 2 is a schematic structural view of a stirring mechanism;
FIG. 3 is a schematic view of the driving mechanism;
FIG. 4 is a schematic view of a first spindle structure;
FIG. 5 is a schematic view of a driven shaft configuration;
FIG. 6 is a schematic view of the driving shaft structure;
in the figure: 1. the drying furnace comprises a drying furnace body, 11, a partition plate, 12, a shaft barrel, 2, a first main shaft, 21, a first flange, 22, a first upright post, 23, a shaft hole, 3, a second main shaft, 31, a second flange, 32, a second upright post, 4, a stirring mechanism, 41, a first rotating arm, 42, a second rotating arm, 43, a third rotating arm, 44, a stirring shaft, 45, a stirring blade, 451, a guide hole, 5, a driving mechanism, 51, a first bevel gear, 52, a second bevel gear, 53, a driving bevel gear, 54, a driving shaft, 541, a first groove, 55, a driven shaft, 551, a second groove, 56, a guide rod, 57, a motor, 58 and a shaft seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.
As shown in fig. 1 to 6, the present embodiment proposes
A vacuum drying device comprises
The drying furnace 1 is characterized in that a partition plate 11 is arranged in the drying furnace 1, and the drying furnace 1 is divided into three mutually separated drying cavities;
the first main shaft 2 is rotatably arranged in the drying furnace 1 and is coaxial with the drying furnace 1;
rabbling mechanism 4 all is equipped with rabbling mechanism 4 in every dry chamber, and rabbling mechanism 4 includes:
a first rotating arm 41, the first rotating arm 41 being provided on the first spindle 2, the first rotating arm 41 rotating with the first spindle 2;
a second rotating arm 42, wherein the second rotating arm 42 is rotatably arranged on the partition board 11;
a third rotating arm 43, one end of the third rotating arm 43 is rotatably arranged with the first rotating arm 41, and the other end is rotatably arranged with the second rotating arm 42;
a stirring shaft 44, wherein a stirring blade 45 is arranged on the stirring shaft 44, and the stirring shaft 44 and a rotating shaft of the third rotating arm 43 on the first rotating arm 41 rotate synchronously;
and a driving mechanism 5, wherein the driving mechanism 5 drives the first main shaft 2 to rotate back and forth, and the first rotating arm 41 swings in the corresponding drying cavity.
The drying furnace 1 is divided into three mutually separated drying cavities by the partition board 11, a stirring mechanism 4 is arranged in each drying cavity for stirring, the stirring mechanism 4 is driven to rotate in a reciprocating manner by the driving mechanism 5, the stirring mechanism 4 comprises a first rotating arm 41 rotating along with the first main shaft 2, a second rotating arm 42 rotatably arranged on the partition plate 11, third rotating arms 43 respectively rotatably arranged on the first rotating arm 41 and the second rotating arm 42 at two ends, the first main shaft 2 rotates in a reciprocating manner, so that the first rotating arm 41 swings, the second rotating arm 42 swings, the third rotating arm 43 rotates relative to the first rotating arm 41 and the second rotating arm 42, the stirring shaft 44 is arranged on the rotating shafts of the third rotating arm 43 and the first rotating arm 41 and rotates along with the rotating shafts, so that the stirring blades 45 stir materials in the drying cavities, the stirring mechanism 4 is ingenious in structural design, and stirring in three drying cavities can be simultaneously realized by driving the main shaft to rotate in a reciprocating manner. Divide into three drying chamber with drying furnace 1 through setting up baffle 11, every drying chamber can be used for the dry different material to design mixer mechanism and stir the material of drying chamber in every drying chamber, can effectively promote drying efficiency, it is higher especially when having multiple material to need carry out the drying.
The drying furnace 1 further includes:
a shaft cylinder 12, the shaft cylinder 12 and the drying furnace 1 are coaxially arranged, a clapboard 11 is arranged on the shaft cylinder 12 and the wall of the drying furnace 1,
the first main shaft 2 is provided with a first flange 21, a first upright column 22 is arranged on the first flange 21 corresponding to the drying cavity, the first main shaft 2 is inserted into the shaft barrel 12, so that the first upright column 22 is positioned in the drying cavity, and the first rotating arm 41 is arranged on the first upright column 22.
The first flange 21 is arranged on the first main shaft 2, the first upright post 22 is arranged on the first flange 21, the first main shaft 2 is inserted into the shaft cylinder 12, the shaft cylinder 12 is inserted between the first main shaft 2 and the first upright post 22, the first rotating arm 41 of the stirring mechanism 4 is arranged on the first upright post 22, the main shaft does not interfere with the drying furnace 1 when rotating to drive the stirring mechanism 4, and the first flange 21 is in rotary seal with the furnace bottom or the furnace top of the drying furnace 1, so that the sealing effect of the drying furnace 1 and the separation effect of three drying cavities can be ensured when the first main shaft 2 rotates.
Be equipped with shaft hole 23 in the first main shaft 2, still include:
and the second main shaft 3 is rotatably arranged in the shaft hole 23, the rotating direction of the second main shaft 3 is opposite to that of the first main shaft 2, and the second main shaft 3 is provided with a stirring mechanism 4.
The setting and 2 opposite direction's of rotation second main shaft 3 of first main shaft, drive another a set of rabbling mechanism 4 through second main shaft 3 and stir, when stirring, the rabbling mechanism 4 on 2 of first main shaft and the rabbling mechanism 4 on 3 of second main shaft alternate motion can be more called effectual treat dry material and react, promote the stirring effect.
The stirring effect can be improved by adjusting the lengths of the first rotating arm 41, the second rotating arm 42 and the third rotating arm 43 and the partition 11 installed on the second rotating arm 42 so that the rotation direction of the stirring shaft 44 of the stirring mechanism 4 on the second main shaft 3 is opposite to the rotation direction of the stirring shaft 44 of the stirring mechanism 4 on the first main shaft 2.
The second spindle 3 is provided with a second flange 31, a second upright column 32 is arranged on the second flange corresponding to the drying cavity, the second spindle 3 is inserted into the shaft hole 23, so that the second upright column 32 is positioned in the drying cavity, and the first rotating arm 41 is arranged on the second upright column 32.
The second main shaft 3 is similar to the first main shaft 2 in structure and installation mode, so that a first flange 21 on the first main shaft 2 is installed at the furnace bottom of the drying furnace 1, and a second flange 31 on the second main shaft 3 is installed at the furnace top of the drying furnace 1, or the installation is opposite, and the sealing of the drying furnace 1 and the sealing of each drying cavity are guaranteed.
The drive mechanism 5 includes:
a first bevel gear 51, the first bevel gear 51 being provided on the first main shaft 2;
a second bevel gear 52, the second bevel gear 52 being provided on the second main shaft 3, the second bevel gear 52 being opposed to the first bevel gear 51;
a drive bevel gear 53, the drive bevel gear 53 meshing with both the first bevel gear 51 and the second bevel gear 52;
and a motor 57, wherein the motor 57 drives the drive bevel gear 53 to rotate.
The motor 57 drives the drive bevel gear 53 to rotate to drive the first bevel gear 51 and the second bevel gear 52 to rotate, so that the first spindle 2 and the second spindle 3 rotate, and the first bevel gear 51 is opposite to the second bevel gear 52 and is meshed with the drive bevel gear 53, so that the first spindle 2 and the second spindle 3 can rotate in opposite directions.
The drive mechanism 5 further includes:
a driving shaft 54, the driving shaft 54 is connected with an output shaft of the motor 57, a first groove 541 surrounding the driving shaft 54 and closed is arranged on the side wall of the driving shaft 54, and the first groove 541 has direction change in the axial direction of the driving shaft 54;
the driven shaft 55, the driven shaft 55 is fitted over the driving shaft 54, there are second grooves 551 on the sidewall of the driven shaft 55, the second groove 551 takes the form of heliciform and forms the included angle with first groove 541, the driving bevel gear 53 is set up on the driven shaft 55;
and a guide rod 56, wherein the guide rod 56 is slidably provided along the axial direction of the driving shaft 54, and the guide rod 56 is inserted into the first groove 541 and the second groove 551.
The driving shaft 54 is provided with a first groove 541, the first groove 541 is a closed structure surrounding the side wall of the driving shaft 54, such as a cam groove structure, the driven shaft 55 is sleeved on the driving shaft 54, the driven shaft 55 is provided with a second groove 551, the second groove 551 is spiral and forms an included angle with the first groove 541, the length of the second groove 551 in the axial direction is greater than or equal to the length of the first groove 541 in the axial direction, the guide rod 56 is slidably arranged on the shaft seat 58 in the axial direction of the driving shaft 54 and is inserted into the first groove 541 and the second groove 551, because the guide rod 56 does not have the movement in the tangential direction of the driving shaft 54, when the driving shaft 54 is driven by the motor 57 to rotate, the guide rod 56 moves in the first groove 541 and slides in the axial direction, the guide rod 56 also passes through the second groove 551, when the guide rod 56 slides in one direction, the driven shaft 55 is driven to rotate, when the guide rod 56 slides to the reversing position of the first groove 541, the continuous rotation of the driving shaft 54 causes the guide rod 56 to slide continuously after reversing, the guide rod 56 drives the driven shaft 55 to rotate reversely while sliding in a reversing manner, the reciprocating rotation of the driven shaft 55 is realized, the driving bevel gear 53 is arranged on the driven shaft 55, and the driven shaft 55 drives the driving bevel gear 53 to rotate in a reciprocating manner.
The stirring blade 45 is provided with a guide hole 451.
The stirring blade 45 is provided with the guide hole 451, so that the resistance during stirring is reduced, and the stirring effect can be improved.
A process for the preparation of a tablet by simultaneous drying of a plurality of raw materials using a vacuum drying apparatus as claimed in any one of claims 1 to 7.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A vacuum drying device is characterized by comprising
The drying furnace (1), wherein a partition plate (11) is arranged in the drying furnace (1), and the drying furnace (1) is divided into three mutually isolated drying cavities;
the first main shaft (2), the first main shaft (2) is rotatably arranged in the drying furnace (1) and is coaxial with the drying furnace (1);
rabbling mechanism (4), every dry intracavity all is equipped with rabbling mechanism (4), rabbling mechanism (4) include:
a first rotation arm (41), wherein the first rotation arm (41) is arranged on the first main shaft (2), and the first rotation arm (41) rotates along with the first main shaft (2);
a second rotating arm (42), wherein the second rotating arm (42) is rotatably arranged on the partition board (11);
a third rotating arm (43), wherein one end of the third rotating arm (43) is rotatably arranged with the first rotating arm (41), and the other end of the third rotating arm (43) is rotatably arranged with the second rotating arm (42);
the stirring shaft (44) is provided with stirring blades (45), and the stirring shaft (44) and a rotating shaft of the third rotating arm (43) on the first rotating arm (41) rotate synchronously;
and the driving mechanism (5) drives the first main shaft (2) to rotate in a reciprocating manner, so that the first rotating arm (41) swings in the corresponding drying cavity.
2. The vacuum drying apparatus according to claim 1, wherein the drying oven (1) further comprises:
the shaft barrel (12), the shaft barrel (12) and the drying furnace (1) are coaxially arranged, the partition plate (11) is arranged on the shaft barrel (12) and the wall of the drying furnace (1),
be equipped with first flange (21) on first main shaft (2), correspond on first flange (21) drying chamber is equipped with first stand (22), first main shaft (2) insert in shaft barrel (12), make first stand (22) are located drying chamber, first rotation arm (41) set up on first stand (22).
3. Vacuum drying apparatus according to claim 1, wherein a shaft hole (23) is provided in the first main shaft (2), further comprising:
the second main shaft (3), the second main shaft (3) rotate to be set up in shaft hole (23), the direction of rotation of second main shaft (3) with the direction of rotation of first main shaft (2) is opposite, be equipped with rabbling mechanism (4) on the second main shaft (3).
4. The vacuum drying apparatus according to claim 3, wherein a second flange (31) is provided on the second spindle (3), a second upright (32) is provided on the second flange corresponding to the drying chamber, the second spindle (3) is inserted into the shaft hole (23) so that the second upright (32) is located in the drying chamber, and the first rotating arm (41) is provided on the second upright (32).
5. Vacuum drying apparatus according to claim 3, wherein the drive mechanism (5) comprises:
a first bevel gear (51), the first bevel gear (51) being disposed on the first spindle (2);
a second bevel gear (52), said second bevel gear (52) being disposed on said second spindle (3), said second bevel gear (52) being opposite to said first bevel gear (51);
a drive bevel gear (53), wherein the drive bevel gear (53) is meshed with the first bevel gear (51) and the second bevel gear (52);
the motor (57), the motor (57) drives the drive bevel gear (53) to rotate.
6. Vacuum drying apparatus according to claim 5, wherein the drive mechanism (5) further comprises:
the driving shaft (54), the said driving shaft (54) is connected with output shaft of the said electrical machinery (57), there are the first grooves (541) that surround the said driving shaft (54) and close on the sidewall of the said driving shaft (54), the said first groove (541) has direction change in the axial direction of the driving shaft (54);
the driven shaft (55), the driven shaft (55) is sleeved on the driving shaft (54), a second groove (551) is formed in the side wall of the driven shaft (55), the second groove (551) is spiral and forms an included angle with the first groove (541), and the driving bevel gear (53) is arranged on the driven shaft (55);
a guide rod (56), the guide rod (56) being slidably disposed along an axial direction of the driving shaft (54), the guide rod (56) being inserted into the first groove (541) and the second groove (551).
7. The vacuum drying apparatus according to claim 1, wherein the stirring blade (45) is provided with a guide hole (451).
8. A process for preparing a tablet, characterized in that a plurality of raw materials are simultaneously dried using the vacuum drying apparatus as claimed in any one of claims 1 to 7.
CN202110687252.6A 2021-06-21 2021-06-21 Preparation process and vacuum drying device of tablets Withdrawn CN113390235A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110687252.6A CN113390235A (en) 2021-06-21 2021-06-21 Preparation process and vacuum drying device of tablets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110687252.6A CN113390235A (en) 2021-06-21 2021-06-21 Preparation process and vacuum drying device of tablets

Publications (1)

Publication Number Publication Date
CN113390235A true CN113390235A (en) 2021-09-14

Family

ID=77623370

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110687252.6A Withdrawn CN113390235A (en) 2021-06-21 2021-06-21 Preparation process and vacuum drying device of tablets

Country Status (1)

Country Link
CN (1) CN113390235A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115289815A (en) * 2022-08-05 2022-11-04 安国市天下康制药有限公司 Drying device for medicine preparation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115289815A (en) * 2022-08-05 2022-11-04 安国市天下康制药有限公司 Drying device for medicine preparation

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Application publication date: 20210914