CN115388624B - Rotary adjustable drying equipment applied to methylprednisolone production - Google Patents
Rotary adjustable drying equipment applied to methylprednisolone production Download PDFInfo
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- CN115388624B CN115388624B CN202211048150.0A CN202211048150A CN115388624B CN 115388624 B CN115388624 B CN 115388624B CN 202211048150 A CN202211048150 A CN 202211048150A CN 115388624 B CN115388624 B CN 115388624B
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- 238000001035 drying Methods 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- VHRSUDSXCMQTMA-PJHHCJLFSA-N 6alpha-methylprednisolone Chemical compound C([C@@]12C)=CC(=O)C=C1[C@@H](C)C[C@@H]1[C@@H]2[C@@H](O)C[C@]2(C)[C@@](O)(C(=O)CO)CC[C@H]21 VHRSUDSXCMQTMA-PJHHCJLFSA-N 0.000 title claims abstract description 21
- 229960004584 methylprednisolone Drugs 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000009423 ventilation Methods 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000003814 drug Substances 0.000 abstract description 20
- 229940079593 drug Drugs 0.000 abstract description 17
- 238000003754 machining Methods 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007602 hot air drying Methods 0.000 description 2
- 206010002198 Anaphylactic reaction Diseases 0.000 description 1
- 206010048962 Brain oedema Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 208000018522 Gastrointestinal disease Diseases 0.000 description 1
- 208000003926 Myelitis Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010029240 Neuritis Diseases 0.000 description 1
- 206010036105 Polyneuropathy Diseases 0.000 description 1
- 206010041277 Sodium retention Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000003470 adrenal cortex hormone Substances 0.000 description 1
- 230000036783 anaphylactic response Effects 0.000 description 1
- 208000003455 anaphylaxis Diseases 0.000 description 1
- 230000003110 anti-inflammatory effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 208000006752 brain edema Diseases 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002512 chemotherapy Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000002124 endocrine Effects 0.000 description 1
- 210000000750 endocrine system Anatomy 0.000 description 1
- 208000014951 hematologic disease Diseases 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 208000032839 leukemia Diseases 0.000 description 1
- 229960001810 meprednisone Drugs 0.000 description 1
- PIDANAQULIKBQS-RNUIGHNZSA-N meprednisone Chemical compound C1CC2=CC(=O)C=C[C@]2(C)[C@@H]2[C@@H]1[C@@H]1C[C@H](C)[C@@](C(=O)CO)(O)[C@@]1(C)CC2=O PIDANAQULIKBQS-RNUIGHNZSA-N 0.000 description 1
- 208000019629 polyneuritis Diseases 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229960005205 prednisolone Drugs 0.000 description 1
- OIGNJSKKLXVSLS-VWUMJDOOSA-N prednisolone Chemical compound O=C1C=C[C@]2(C)[C@H]3[C@@H](O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 OIGNJSKKLXVSLS-VWUMJDOOSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 208000017520 skin disease Diseases 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- 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
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
-
- 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
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/16—Chambers, containers, receptacles of simple construction mainly closed, e.g. drum
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses rotary adjustable drying equipment applied to methylprednisolone production, and relates to the technical field of medicine production equipment, comprising a box body, wherein a baffle plate is arranged in the box body to isolate an inner cavity into a first cavity and a second cavity; the partition board is provided with an air guide hole; the air inlet of the first cavity is communicated with the air heater; the outer wall of the second cavity is provided with a jack; a rotary drum is arranged in the second cavity; the tail end of the rotary drum is communicated with the air guide hole, and the front end of the rotary drum is communicated with the jack; the tail end of the rotary drum is provided with fan blades, and the outer wall of the rotary drum is provided with first ventilation holes; the rotary drum is sleeved with an adjusting drum capable of adjusting the size of the first vent hole; a container is arranged in the rotary drum; the bottom end of the container is provided with an air inlet, and the upper end of the container is provided with an air outlet. The equipment can be suitable for independent drying treatment in the same time of multiple different medicines including methylprednisolone, can realize rotatory stoving, increase the material at any time or take out the material under the condition that does not close equipment operation, can improve the machining efficiency of the multiple product of this company.
Description
Technical Field
The invention relates to the technical field of medicine production equipment, in particular to rotary adjustable drying equipment applied to methylprednisolone production.
Background
Methylprednisone is a medium-effect synthetic product, belongs to adrenocortical hormone medicines in endocrine system medicines, has anti-inflammatory effect of 4mg approximately equal to that of 5mg of prednisolone, has weak sodium retention effect, is white or almost white crystalline powder, has no odor, is tasteless and is bitter. Is soluble in absolute ethanol and chloroform, and is hardly soluble in water, and can be used for emergency treatment of critical diseases, endocrine disturbance, rheumatism, collagenous diseases, skin diseases, anaphylaxis, ophthalmic diseases, gastrointestinal diseases, blood diseases, leukemia, shock, cerebral edema, polyneuritis, myelitis, and emesis caused by cancer chemotherapy. When the methylprednisolone is produced, the intermediate product raw material is required to be dried for a plurality of times due to the fact that the methylprednisolone is required to be produced by adopting multi-step chemical reactions.
The applicant applies for the patent application number 2018108291554 in the 7 th 2018 and the 25 th, and the theme name is a methylprednisolone production process and production device, wherein the patent discloses a drying device for medicines, and the drying device can be used for carrying out local negative pressure heating type drying on the medicines and can greatly shorten the drying treatment time of methylprednisolone in the processing process; however, the equipment can only dry one part of materials at a time, so that the drying efficiency is high, but the processing lifting efficiency of various products existing in the company is limited.
The existing hot air drying box is generally of a box body structure, two split cabinet doors are arranged on the front face of the box body, multiple layers of supports are distributed in the box body in an up-down mode, materials are required to be placed on the supports in advance when drying treatment is carried out each time, and then the cabinet doors are closed to carry out drying treatment. In the drying process, in order to avoid high-temperature hot air to scald personnel, the cabinet door is forbidden to be opened, so that the material drying or material taking out cannot be temporarily increased in the operation process. In the use process, the cabinet door can not be opened, and only one material can be put in each time or the materials with the same drying duration are put in. And after the drying box stops running, the cabinet door can fully expose the internal cavity, the materials and the bracket when being opened. Because the production of medicines has higher requirements on the environmental isolation of processing equipment, the traditional hot air drying box is gradually unable to adapt to the production and processing of various medicine products of the company.
Therefore, a quick drying device capable of being used for various medicines simultaneously needs to be designed to adapt to the processing of various products of the company, so that the production efficiency of various medicines is improved.
Disclosure of Invention
Aiming at the technical purpose, the invention provides the rotary adjustable drying equipment applied to the methylprednisolone production, which can be suitable for independent drying treatment of various different medicines including methylprednisolone, can realize rotary drying, can increase materials or take out materials at any time under the condition of not closing the equipment operation, and can improve the processing efficiency of various products of the company.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a rotary adjustable drying device applied to methylprednisolone production comprises a box body, wherein a baffle plate is arranged in the box body to isolate an inner cavity into a first cavity and a second cavity; the partition plate is provided with an air guide hole; the air inlet of the first cavity is communicated with the air heater; the outer wall of the second cavity is provided with a jack; a rotary drum is arranged in the second cavity; the tail end of the rotary drum is communicated with the air guide hole, and the front end of the rotary drum is communicated with the jack; the tail end of the rotary drum is provided with fan blades, and the outer wall of the rotary drum is provided with first ventilation holes; the rotary drum is sleeved with an adjusting drum capable of adjusting the size of the first vent hole; a container for placing materials is arranged in the rotary drum; the bottom end of the container is provided with an air inlet communicated with the air guide hole, and the upper end of the container is provided with an air outlet.
The beneficial effects of the invention are as follows:
by adopting the drying equipment, different medicines can be placed into different containers, then the containers are placed into the rotary drum for drying, the rotary drum is driven by the drying wind power to slowly rotate so as to drive the semi-finished products of the medicines in the containers to turn over, and meanwhile, hot air in the drying box can enter the containers to flow, so that the quick drying treatment of the medicines in the containers can be realized; and because a plurality of rotary drums can be arranged on the equipment, independent drying treatment can be carried out on a plurality of different medicines at the same time, even in the running process, the materials can be added at any time to be dried or the dried materials are taken out, and the effects of the materials are avoided.
The device can adjust the wind power and the rotation speed of the rotary drum by moving the adjusting drum, thereby improving the use flexibility; and the vent hole can be closed by moving the adjusting cylinder, so that the inner cavities of the container and the box body can be immediately closed when the container is taken out, the sealing property of the inside of the drying box and the sealing property of the container are not influenced, and the drying box is more suitable for products with higher requirements on environmental sanitation degree, such as medicines.
As a further improvement of the above technical solution, the container includes a containing tube and an end cap; the end cover is provided with an air outlet; the center of the end cover is inserted with a lifting shaft, the upper end of the lifting shaft is provided with an upper cover for blocking the air outlet, and the lower end of the lifting shaft is provided with a second spring; an air inlet hole is formed in the bottom of the accommodating cylinder; a central shaft is inserted in the center of the bottom surface of the accommodating cylinder, and a bottom cover for blocking the air inlet hole is arranged at the upper part of the central shaft; the lower end is provided with a third spring.
The improved beneficial effects are as follows: the automatic air-force connection between the container and the inside of the drying equipment after the container is inserted into the rotary drum can be realized, so that hot air enters the container to circularly flow, and the drying efficiency of medicines in the container is improved.
As a further improvement of the technical scheme, the convex strips which are arranged along the axial direction are uniformly distributed on the inner wall of the rotary drum.
The improved beneficial effects are as follows: after the container is inserted into the rotary drum, a gap is reserved between the container and the rotary drum, so that hot air can conveniently pass through the gap, the hot air circulation is improved, and the drying efficiency is improved.
As a further improvement of the technical scheme, the outer wall of the container is provided with a groove matched with the convex strip.
The improved beneficial effects are as follows: so that the ribs of the drum can be snapped into the grooves so that the container can be rotated as the drum rotates.
As a further improvement of the above technical solution, the inner diameter of the regulating cylinder is larger than the outer diameter of the rotary cylinder; the adjusting cylinder is arranged between the inner walls of the second cavity through mounting shafts at two ends; one of the mounting shafts extends through the outer wall of the second chamber.
The improved beneficial effects are as follows: the inner diameter of the adjusting cylinder is larger than the outer diameter of the rotary cylinder, so that the inner wall of the adjusting cylinder cannot rub with the outer wall of the rotary cylinder; the adjusting cylinder can be pushed to move along the axial direction by pushing the mounting shaft, so that the first through hole and the second through hole are mutually overlapped or staggered, and the rotating speed of the rotating cylinder is adjusted.
As a further improvement of the technical scheme, a mounting ring is arranged at the middle of the bottom of the barrel body of the rotary drum; and fan blades are annularly distributed between the mounting ring and the inner wall of the cylinder body.
As a further improvement of the technical scheme, a fixed shaft corresponding to the air guide hole is arranged in the first cavity; a movable cover is sleeved on the fixed shaft; the fixed shaft is provided with a first spring; the first spring props against the movable cover, so that the movable cover covers the air guide hole; the end face of the movable cover is provided with a push rod; the ejector rod passes through the mounting ring.
The improved beneficial effects are as follows: the lower end of the central shaft in the container can prop against the ejector rod, so that the movable cover is opened, the central shaft at the same time ascends to push the lifting shaft to move, the bottom cover and the upper cover of the container are opened, and the container is communicated with the air guide hole.
As a further improvement of the above technical solution, an ultraviolet lamp is disposed in the first cavity.
The improved beneficial effects are as follows: the air inside the box body can be disinfected and sterilized through the ultraviolet lamp, so that the medicines are prevented from being polluted in the drying process.
As a further improvement of the technical scheme, a sealing cover for plugging the jack is arranged on the outer wall of the box body.
The improved beneficial effects are as follows: the sealing performance of the inner cavity of the box body can be improved through the sealing cover, and the external environment is prevented from polluting the inner space of the box body.
As a further improvement of the technical scheme, the air heater is arranged at the bottom of the box body.
The improved beneficial effects are as follows: the hot air blower does not occupy the upper part and lateral space of the box body, and simultaneously, the utilization rate of the hot air is improved by utilizing the upward flowing characteristic of the hot air.
Drawings
Fig. 1 is a schematic diagram of the front structure of the present apparatus.
Fig. 2 is a schematic view of the internal cross-sectional structure of the present apparatus.
Fig. 3 is a schematic structural view of the closure.
Fig. 4 is a schematic perspective view of a drum.
Fig. 5 is a schematic structural view of the regulating cylinder.
Fig. 6 is a schematic cross-sectional structural view of the container.
FIG. 7 is a schematic cross-sectional view of the container inside the drum.
Fig. 8 is a schematic cross-sectional view of a drum.
Fig. 9 is a schematic view of the blade structure at the bottom of the drum.
FIG. 10 is a schematic cross-sectional view of a container mounted within a drum.
In the figure: 1. a case; 2. a cover; 3. a switch; 4. an air heater; 5. a rotating drum; 6. a container; 8. a first cavity; 9. a second cavity; 10. an air outlet; 11. an air inlet; 12. a partition plate; 13. a fixed shaft; 14. a first spring; 15. a movable cover; 16. a push rod; 17. an air guide hole; 18. a jack; 19. an ultraviolet lamp; 20. an adjustment cylinder; 201. adjusting the cylinder; 202. a second vent hole; 203. a mounting shaft; 21. a limiting piece; 22. a limit switch; 51. a cylinder; 52. a convex strip; 53. a first vent; 54. a mounting ring; 55. a fan blade; 60. a convex portion; 61. a receiving cylinder; 62. a central shaft; 63. a bottom cover; 64. an air inlet hole; 65. a third spring; 66. a limiting ring; 67. supporting feet; 68. an end cap; 69. a second spring; 70. a lifting shaft; 71. an air outlet hole; 72. an upper cover; 73. a handle; 74. a groove.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present invention, the following detailed description of the present invention with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present invention.
As shown in fig. 1 to 10, in one embodiment of the present invention, a rotary adjustable drying apparatus for methylprednisolone production includes a box 1, wherein a partition 12 is disposed in the box 1 to isolate an inner cavity into a first cavity 8 and a second cavity 9; the partition plate 12 is provided with an air guide hole 17; the air inlet 11 of the first cavity 8 is communicated with the air heater 4; the outer wall of the second cavity 9 is provided with a jack 18; a rotary drum 5 is arranged in the second cavity 9; the tail end of the rotary drum 5 is communicated with the air guide hole 17, and the front end of the rotary drum is communicated with the jack 18; the tail end of the rotary drum 5 is provided with fan blades 55, and the outer wall of the rotary drum is provided with first ventilation holes 53; the rotary drum 5 is sleeved with an adjusting drum 20 capable of adjusting the size of the first vent hole 53; a container 6 for placing materials is arranged in the rotary drum 5; the bottom end of the container 6 is provided with an air inlet 64 communicated with the air guide hole 17, and the upper end is provided with an air outlet 71.
Specifically, the front of the box body 1 is provided with a plurality of jacks 18, and the rotary drum 5 is positioned in the jacks 18; the jack 18 is in a round hole shape; a corresponding disc-shaped sealing cover 2 and an extended mounting shaft 203 are arranged on the outer side edge of the jack 18 through a hinge shaft; a switch 3 is arranged at the side of the jack 18, and the switch 3 is used for locking the sealing cover 2; the switch 3 may be in an L-shaped rod shape, one end of which is rotatably mounted on the case 1, and the other end of which presses the cover 2 to fix.
Specifically, the heat generated by heating the inside of the air heater 4 through the resistance wire is blown out by the air heater, the hot air is blown into the first cavity 8 from the air inlet 11, the hot air passes through the air guide hole 17 from the first cavity 8, passes through the fan blades 55, drives the fan blades 55 to rotate together with the rotating drum 5, one part of the hot air is directly discharged into the second cavity 9 from the first air vent 53 on the side wall of the rotating drum 5, and the other part of the hot air enters the inside from the air inlet 64 of the container 6 and is discharged from the air outlet 71 at the front end of the container 6; an air outlet 10 is arranged on the outer wall of the second cavity 9; the wind power entering the second cavity 9 is discharged to the outside from the air outlet 10 or is returned to the air heater 4 again. An air intake (mesh panel in fig. 2) may be disposed on the air heater 4, so that the air is sucked into the air heater 4, then is electrically heated, and is blown into the air intake 11.
In order to achieve sterilization of the outside air, an ultraviolet lamp 19 may be installed in the first chamber 8 such that the air blown from the hot air blower is sterilized by the ultraviolet lamp 19.
Specifically, the fan blade 55 is located at the bottom end of the rotary drum 5, and bearings are arranged at the joints of the two ends of the rotary drum 5 and the second cavity 9; the air inlet hole 64 on the container 6 is positioned at the bottom center of the container 6, and the air outlet hole 71 is positioned at the upper center; when the container 6 is not inserted into the drum 5, the air guide hole 17 is covered by the movable cover 15; simultaneously, the bottom cover and the upper cover on the container 6 are both in the initial positions, so that materials in the container 6 can be prevented from coming out.
Specifically, by moving the position of the adjustment drum 20 in the axial direction, the overlapping position of the first ventilation holes 53 and the second ventilation holes 202 can be adjusted, thereby adjusting the magnitude of the wind force entering the wind guide holes 17, and thus adjusting the drying speed and the rotation speed of the drum.
As an optimization of the above embodiment, as shown in fig. 6, the container 6 includes a receiving cylinder 61 and an end cap 68; the end cover 68 is provided with an air outlet 71; the center of the end cover 68 is inserted with a lifting shaft 70, the upper end of the lifting shaft 70 is provided with an upper cover 72 for blocking the air outlet 71, and the lower end is provided with a second spring 69; the bottom of the accommodating cylinder 61 is provided with an air inlet 64; a central shaft 62 is inserted in the center of the bottom surface of the accommodating cylinder 61, and a bottom cover 63 for blocking an air inlet 64 is arranged on the upper part of the central shaft 62; the lower end is provided with a third spring 65.
Specifically, the container 6 has a cylindrical shape, and includes a cylindrical housing-like accommodating tube 61 having an upper end opened, and an end cap 68 for covering the accommodating tube 61; the end cap 68 is screwed with the accommodating tube 61; a central hole is arranged at the bottom of the container 6, and a central shaft 62 passes through the central hole; a disk-shaped bottom cover 63 is mounted on the central shaft 62; air inlet holes 64 are distributed at the bottom of the container 6 and around the central hole; the bottom cover 63 is used for covering the air inlet hole 64; a third spring 65 is mounted at the lower end of the central shaft 62; the center shaft 62 has a stop ring 66 at the bottom for limiting the movement of the third spring 65.
A hole is arranged in the center of the end cover 68, a lifting shaft 70 passes through the hole, and air outlet holes 71 are distributed on the end cover 68 and around the hole; a disc-shaped upper cover 72 connected with the upper end of the lifting shaft 70 can block the air outlet 71; the second spring 69 is installed at the lower end of the lifting shaft 70, and a limiting ring is also arranged at the bottom end of the lifting shaft.
As shown in fig. 5, when the cap 68 is screwed with the housing tube 61, the upper end of the central shaft 62 approaches the lower end of the elevating shaft 70; when the central shaft 62 is lifted, the bottom cover 63 is opened, and the central shaft 62 is lifted against the lifting shaft 70, so that the upper cover 72 is also opened.
When the container 6 is inserted into the drum 5, the lower end of the central shaft 62 is abutted against the push rod 16, so that the movable cover 15 is opened, and the container 6 is continuously inserted into the drum 5, the third spring 65 and the second spring 69 are compressed, so that both the upper cover and the lower cover are opened.
As shown in fig. 4, as an optimization of the above embodiment, ribs 52 disposed along the axial direction are uniformly distributed on the inner wall of the drum 5.
Specifically, the raised strips 52 are uniformly distributed on the inner wall of the rotary drum 5 in a ring shape, and six raised strips can be generally arranged; the ribs 52 are rounded at both ends to facilitate the installation of the container 6. Rectangular first ventilation holes 53 are uniformly distributed on the outer wall of the rotary drum 5; the first vent holes 53 are equally spaced; the first vent 53 is the same size as the second vent 202; the spacing between the second ventilation holes 202 on the adjustment cylinder 20 is the same as the spacing between the first ventilation holes 53; and the width of the space is the same as that of the vent hole 53 or slightly smaller.
As an optimization of the above embodiment, the outer wall of the container 6 is provided with a groove 74 for matching with the protruding strip 52.
As shown in fig. 10, the width of the grooves 74 is slightly larger than the width of the raised strips 52, and the number of the grooves 74 corresponds to the number of the raised strips 52.
As best seen in fig. 7-8, as an optimization of the above embodiment, the conditioning drum 20 has an inner diameter greater than the outer diameter of the drum 5; the adjusting cylinder 20 is arranged between the inner walls of the second cavity 9 through mounting shafts 203 at two ends; one of the mounting shafts 203 extends through the outer wall of the second chamber 9.
Specifically, the adjusting cylinder 20 is sleeved on the rotary cylinder 5 and is coaxially arranged; the length of the adjusting cylinder 20 is shorter than that of the rotating cylinder 5, and the adjusting cylinder 20 can move along the axial direction so as to adjust the overlapping degree of the first ventilation holes and the second ventilation holes; 2-4 mounting shafts 203 are annularly arranged on the outer walls of the two ends of the adjusting cylinder 20; one end of the installation shaft 203 is inserted in the partition plate 12, the other end of the installation shaft 203 is inserted in the outer wall of the second cavity 9, and one installation shaft 203 is inserted and extended out of the outer wall of the second cavity 9, so that the push-pull operation of workers is facilitated.
As shown in fig. 9, as an optimization of the above embodiment, the bottom of the cylinder 51 is centrally provided with a mounting ring 54; the fan blades 55 are annularly distributed between the mounting ring 54 and the inner wall of the cylinder 51.
Specifically, the fan blades 55 are inclined blades, have a fan-shaped structure, and are annularly distributed; one end of the fan blade 55 is connected with the mounting ring 54, and the other end is connected with the inner wall of the accommodating cylinder 61; the fan blade 55 may be provided with one or more layers.
As shown in fig. 7-8, as an optimization of the above embodiment, the first cavity 8 is provided with a fixed shaft 13 corresponding to the air guide hole 17; the fixed shaft 13 is sleeved with a movable cover 15; the fixed shaft 13 is provided with a first spring 14; the first spring 14 is propped against the movable cover 15, so that the movable cover 15 covers the air guide hole 17; the end face of the movable cover 15 is provided with a push rod 16; the ejector rod 16 is disposed through the mounting ring 54.
Specifically, the fixed shaft 13 is installed on the outer wall of the first cavity 8 and is positioned at the center of the air guide hole 17; the movable cover 15 is disc-shaped, is sleeved on the fixed shaft 13 and can move; the fixed shaft 13 is sleeved with a first spring 14 for propping against the movable cover 15, so that the movable cover 15 covers the air guide hole 17; a mandril 16 is arranged in the center of the other end of the movable cover 15, and the mandril 16 is a hollow rod and is sleeved on the fixed shaft 13; the outer diameter of the ejector rod 16 is smaller than the inner diameter of the hole of the mounting ring 54; the first spring 14 has a smaller elastic force than the second spring 69 and the third spring 65; so as to ensure that when the container 6 is inserted into the rotary drum 5, the tail end of the central shaft 62 can push the ejector rod 16 to move together with the movable cover 15, and the air guide hole 17 is opened; a limiting member 21 is further installed in the first cavity 8, and the limiting member 21 may be in a rod shape for limiting a movement stroke of the movable cover 15, so that when the central shaft 62 pushes the movable cover 15 to a maximum distance, the movable cover 15 is limited by the limiting member 21 and cannot move continuously, and at this time, the second spring 69 and the third spring 65 are compressed, so that the bottom cover and the upper cover are opened.
As shown in fig. 2, as an optimization of the above embodiment, an ultraviolet lamp 19 is disposed in the first cavity 8. Specifically, a plurality of ultraviolet lamps 19 may be disposed at the position of the air inlet 11.
As an optimization of the above embodiment, a cover 2 for plugging the jack 18 is provided on the outer wall of the case 1.
Specifically, as shown in fig. 3, the sealing cover 2 is disc-shaped and is used for shielding the jack 18, one end of the sealing cover 2 is arranged on the outer wall of the box body 1 through a hinge shaft, the other end of the sealing cover 2 can be turned over and opened, a switch 3 is arranged on the side edge of the jack 18, and the switch 3 is used for locking the sealing cover 2; the switch 3 may be in an L-shaped rod shape, one end of which is rotatably mounted on the case 1, and the other end of which presses the cover 2 to fix.
As an optimization of the above embodiment, the air heater 4 is installed at the bottom of the box 1.
Specifically, as shown in fig. 1-2, after heat is generated by heating the electric resistance wire in the air heater 4, the heat is blown out by the air heater, and is blown into the first cavity 8 from the air inlet 11, hot air passes through the air guide hole 17 from the first cavity 8, passes through the fan blades 55, drives the fan blades 55 to rotate together with the rotating drum 5, a part of hot air is directly discharged into the second cavity 9 from the first air vent 53 on the side wall of the rotating drum 5, and another part of hot air enters the interior from the air inlet 64 of the container 6 and is discharged from the air outlet 71 at the front end of the container 6; an air outlet 10 is arranged on the outer wall of the second cavity 9; the wind power entering the second cavity 9 is discharged to the outside from the air outlet 10; or back into the air heater 4 again.
An air intake (mesh panel in fig. 2) may be disposed on the air heater 4, so that the air is sucked into the air heater 4, then is electrically heated, and is blown into the air intake 11.
As an optimization of the above embodiment, on the inner wall of the drum 5, a limit switch 22 is installed at the front end, and the limit switch 22 may be in the shape of a rod hinged on the inner wall of the drum 5; when the container 6 is inserted into the drum 5, the rod is pulled to open the rod, so that the container 6 is clamped and prevented from sliding out of the drum 5.
The limit switch 22 may also be a groove installed on the inner wall of the drum 5, and an elastic protrusion, such as a spring and steel ball structure, is arranged on the side wall of the end cover 68 of the container 6; when the container 6 is inserted into the bowl 5, the resilient protrusions on the side walls of the end cap 68 snap into the grooves on the inner wall of the bowl 5, so that the container 5 is secured within the bowl 5.
The specific working principle of the invention is as follows:
opening the end cap 68 of the container 6, putting the material to be dried into the accommodating cylinder 61, and then screwing the end cap 68; at this time, the upper cover 72 blocks the air outlet 71 under the elastic force of the third spring 65, and the bottom cover 63 blocks the air inlet 64 under the elastic force of the second spring 69; the material is in a closed state within the container 6.
Then, opening the cover 2 on the front surface of the box body 1 to expose the rotary drum 5, inserting the container 6 into the rotary drum 5, clamping the raised strips 60 into the corresponding grooves 74 for compaction, and then pulling the limit switch 22 to ensure that the container 5 is fixed in the rotary drum 5 and cannot loosen; the cover 2 is then closed, and the cover 2 is locked by the switch 3, and the mounting shaft 203 located on the outer wall of the casing 1 is pushed or pulled, thereby adjusting the overlapping degree of the first ventilation hole 53 and the second ventilation hole 202.
When the container 6 is inserted into the rotary drum 5, the central shaft 62 pushes the ejector rod 16 to move so as to drive the movable cover 15 to open the air guide hole 17, the second spring and the third spring are compressed, so that the central shaft 62 moves so as to open the bottom cover 63 and the upper cover 72, hot air enters from the air guide hole 17, and the fan blades 55 are blown to rotate so as to drive the rotary drum 5 and the container 6 to rotate; after the hot air enters the air guide hole 17, part of the hot air is directly discharged into the second cavity 9 from the first vent hole 53 on the side wall of the rotary drum 5, and the other part of the hot air enters the interior from the air inlet hole 64 of the container 6 and is discharged from the air outlet hole 71 at the front end of the container 6; an air outlet 10 is arranged on the outer wall of the second cavity 9; the wind power entering the second cavity 9 is discharged to the outside from the air outlet 10 or is returned to the air heater 4 again. An air intake (mesh panel in fig. 2) may be disposed on the air heater 4, so that the air is sucked into the air heater 4, then is electrically heated, and is blown into the air intake 11.
Pushing or pulling the mounting shaft 203 on the outer wall of the casing 1 can move the position of the regulating cylinder 20 to regulate the degree of overlap of the first ventilation holes 53 and the second ventilation holes 202, thereby regulating the amount of hot air discharged, and thus regulating the rotational speed of the drum 5.
When the drying is completed, the installation shaft 203 is pushed or pulled, so that the second ventilation holes 202 of the regulating cylinder 20 are staggered from the first ventilation holes 53 of the rotating cylinder, thereby closing the exhaust air of the side wall of the rotating cylinder 20; opening the cover 2 to withdraw the container 6 from the drum 5, and resetting the first spring 14 to push the movable cover 15 to press the air guide hole 17 to prevent hot air in the first cavity from entering the second cavity; at the same time, the second spring 69 and the third spring 65 are reset, so that the bottom cover blocks the air inlet 64, and the upper cover blocks the air outlet 71, thereby preventing materials from coming out of the container 6.
The front of the equipment box body 1 can be provided with a plurality of jacks 18 in an array manner, each jack 18 is internally provided with a rotary drum 5, and containers in the rotary drums can be taken out or inserted into corresponding rotary drums at any time, so that the rapid drying treatment of different medicines is realized.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. The foregoing is merely illustrative of the preferred embodiments of this invention, and it is noted that there is objectively no limit to the specific structure disclosed herein, since numerous modifications, adaptations and variations can be made by those skilled in the art without departing from the principles of the invention, and the above-described features can be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present invention.
Claims (8)
1. The rotary adjustable drying equipment applied to methylprednisolone production comprises a box body (1), and is characterized in that a partition plate (12) is arranged in the box body (1) to isolate an inner cavity into a first cavity (8) and a second cavity (9); an air guide hole (17) is formed in the partition plate (12); an air inlet (11) of the first cavity (8) is communicated with the air heater (4); the outer wall of the second cavity (9) is provided with a jack (18); a rotary drum (5) is arranged in the second cavity (9); the tail end of the rotary drum (5) is communicated with the air guide hole (17), and the front end of the rotary drum is communicated with the jack (18); the tail end of the rotary drum (5) is provided with fan blades (55), and the outer wall of the rotary drum is provided with first ventilation holes (53); an adjusting cylinder (20) capable of adjusting the size of the first vent hole (53) is sleeved outside the rotary cylinder (5); a container (6) for placing materials is arranged in the rotary drum (5); an air inlet (64) communicated with the air guide hole (17) is formed in the bottom end of the container (6), and an air outlet (71) is formed in the upper end of the container;
the container (6) comprises a containment drum (61) and an end cap (68); an air outlet hole (71) is formed in the end cover (68); a lifting shaft (70) is inserted in the center of the end cover (68), an upper cover (72) for blocking an air outlet hole (71) is arranged at the upper end of the lifting shaft (70), and a second spring (69) is arranged at the lower end of the lifting shaft; an air inlet hole (64) is formed in the bottom of the accommodating cylinder (61); a central shaft (62) is inserted into the center of the bottom surface of the accommodating cylinder (61), and a bottom cover (63) for blocking an air inlet hole (64) is arranged at the upper part of the central shaft (62); the lower end is provided with a third spring (65);
a fixed shaft (13) corresponding to the air guide hole (17) is arranged in the first cavity (8); a movable cover (15) is sleeved on the fixed shaft (13); the fixed shaft (13) is provided with a first spring (14); the first spring (14) props against the movable cover (15) so that the movable cover (15) covers the air guide hole (17); an ejector rod (16) is arranged on the end face of the movable cover (15); the ejector rod (16) passes through the mounting ring (54);
the front of the box body (1) is provided with a plurality of jacks (18) in an array mode, and a rotary drum (5) is arranged in each jack (18).
2. The rotary adjustable drying equipment for methylprednisolone production according to claim 1, wherein the inner wall of the rotary drum (5) is uniformly provided with convex strips (52) arranged along the axial direction.
3. A rotary adjustable drying apparatus for methylprednisolone production according to claim 2, wherein the outer wall of the container (6) is provided with a groove (74) for matching with the raised strip (52).
4. A rotary adjustable drying apparatus for methylprednisolone production according to claim 1, wherein the inner diameter of the adjusting cylinder (20) is larger than the outer diameter of the rotary cylinder (5); the adjusting cylinder (20) is arranged between the inner walls of the second cavity (9) through mounting shafts (203) at two ends; one of the mounting shafts (203) extends through the outer wall of the second chamber (9).
5. A rotary adjustable drying apparatus for methylprednisolone production according to claim 1, characterized in that the bottom of the drum body (51) of the drum (5) is centrally provided with a mounting ring (54); the fan blades (55) are annularly distributed between the mounting ring (54) and the inner wall of the cylinder body (51).
6. Rotary adjustable drying equipment for methylprednisolone production according to claim 1, characterized in that an ultraviolet lamp (19) is arranged in the first cavity (8).
7. The rotary adjustable drying equipment applied to methylprednisolone production according to claim 1, wherein a sealing cover (2) for plugging the jack (18) is arranged on the outer wall of the box body (1).
8. The rotary adjustable drying equipment applied to methylprednisolone production according to claim 1, wherein the air heater (4) is arranged at the bottom of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211048150.0A CN115388624B (en) | 2022-08-30 | 2022-08-30 | Rotary adjustable drying equipment applied to methylprednisolone production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211048150.0A CN115388624B (en) | 2022-08-30 | 2022-08-30 | Rotary adjustable drying equipment applied to methylprednisolone production |
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| CN115388624A CN115388624A (en) | 2022-11-25 |
| CN115388624B true CN115388624B (en) | 2023-06-13 |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3027187A1 (en) * | 1980-07-18 | 1982-02-11 | Bayer Ag, 5090 Leverkusen | PIPE FOR INDIRECT HEAT TREATMENT OF GIANT MATERIALS, HEAT EXCHANGERS COMPOSED FROM SUCH PIPES AND COMPONENTS FOR THE PRODUCTION OF THE TUBE BUNDLE |
| FR2672670A1 (en) * | 1991-02-08 | 1992-08-14 | Fcb | Improvements to multitube rotary heat exchangers for the heat treatment of solid materials in divided form using a gas |
| JPH1128685A (en) * | 1997-07-07 | 1999-02-02 | Maruyasu Kikai Kk | Parts storing housing |
| JP5913650B1 (en) * | 2015-01-29 | 2016-04-27 | 東亜機工株式会社 | Dryer and drying method |
| CN107726773A (en) * | 2017-09-30 | 2018-02-23 | 安徽万利达羽绒制品有限公司 | A kind of eider down Quick uniform drying unit |
| CN108912192A (en) * | 2018-07-25 | 2018-11-30 | 岳阳环宇药业有限公司 | A kind of methylprednisolone production technology and process units |
| CN108912193A (en) * | 2018-07-25 | 2018-11-30 | 岳阳环宇药业有限公司 | A kind of medroxyprogesterone acetate production technology and process units |
| CN109373724A (en) * | 2018-09-17 | 2019-02-22 | 郑州莉迪亚医药科技有限公司 | A kind of Chinese medicine processing medicinal material classifying drying device |
| CN211346200U (en) * | 2019-12-18 | 2020-08-25 | 安徽仁之堂药业股份有限公司 | Chinese-medicinal material drying device |
| CN211373104U (en) * | 2020-01-15 | 2020-08-28 | 陈杰宇 | Drying and dewatering equipment for traditional Chinese medicine production |
| CN212930781U (en) * | 2020-08-20 | 2021-04-09 | 江蓉 | Categorised drying device of medicinal material for traditional chinese medicine processing |
| CN213273550U (en) * | 2020-09-23 | 2021-05-25 | 益阳市鹏程科技发展有限公司 | Drying device is used in production of effectual condenser of drying |
| CN213873555U (en) * | 2020-12-07 | 2021-08-03 | 山东创时代生物工程有限公司 | Drying device for cordycepin extraction |
| CN215983690U (en) * | 2021-11-04 | 2022-03-08 | 上饶师范学院 | Fruit type medicinal material drying device |
-
2022
- 2022-08-30 CN CN202211048150.0A patent/CN115388624B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3027187A1 (en) * | 1980-07-18 | 1982-02-11 | Bayer Ag, 5090 Leverkusen | PIPE FOR INDIRECT HEAT TREATMENT OF GIANT MATERIALS, HEAT EXCHANGERS COMPOSED FROM SUCH PIPES AND COMPONENTS FOR THE PRODUCTION OF THE TUBE BUNDLE |
| FR2672670A1 (en) * | 1991-02-08 | 1992-08-14 | Fcb | Improvements to multitube rotary heat exchangers for the heat treatment of solid materials in divided form using a gas |
| JPH1128685A (en) * | 1997-07-07 | 1999-02-02 | Maruyasu Kikai Kk | Parts storing housing |
| JP5913650B1 (en) * | 2015-01-29 | 2016-04-27 | 東亜機工株式会社 | Dryer and drying method |
| CN107726773A (en) * | 2017-09-30 | 2018-02-23 | 安徽万利达羽绒制品有限公司 | A kind of eider down Quick uniform drying unit |
| CN108912192A (en) * | 2018-07-25 | 2018-11-30 | 岳阳环宇药业有限公司 | A kind of methylprednisolone production technology and process units |
| CN108912193A (en) * | 2018-07-25 | 2018-11-30 | 岳阳环宇药业有限公司 | A kind of medroxyprogesterone acetate production technology and process units |
| CN109373724A (en) * | 2018-09-17 | 2019-02-22 | 郑州莉迪亚医药科技有限公司 | A kind of Chinese medicine processing medicinal material classifying drying device |
| CN211346200U (en) * | 2019-12-18 | 2020-08-25 | 安徽仁之堂药业股份有限公司 | Chinese-medicinal material drying device |
| CN211373104U (en) * | 2020-01-15 | 2020-08-28 | 陈杰宇 | Drying and dewatering equipment for traditional Chinese medicine production |
| CN212930781U (en) * | 2020-08-20 | 2021-04-09 | 江蓉 | Categorised drying device of medicinal material for traditional chinese medicine processing |
| CN213273550U (en) * | 2020-09-23 | 2021-05-25 | 益阳市鹏程科技发展有限公司 | Drying device is used in production of effectual condenser of drying |
| CN213873555U (en) * | 2020-12-07 | 2021-08-03 | 山东创时代生物工程有限公司 | Drying device for cordycepin extraction |
| CN215983690U (en) * | 2021-11-04 | 2022-03-08 | 上饶师范学院 | Fruit type medicinal material drying device |
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| Publication number | Publication date |
|---|---|
| CN115388624A (en) | 2022-11-25 |
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