CN213631431U - Bulk drug workshop air current drying device - Google Patents
Bulk drug workshop air current drying device Download PDFInfo
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- CN213631431U CN213631431U CN202022205326.1U CN202022205326U CN213631431U CN 213631431 U CN213631431 U CN 213631431U CN 202022205326 U CN202022205326 U CN 202022205326U CN 213631431 U CN213631431 U CN 213631431U
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Abstract
The utility model relates to a bulk drug workshop air current drying device belongs to chemical machinery drying device technical field, including one-level drying system, second grade calomel drying system and second grade heavy powder drying system. The utility model is simple in operation, the bulk drug can fully suspend in the hot-air, material heat transfer area is big, the powder particle of material is whole to participate in heat transfer and mass transfer, drying efficiency is high, drying time is short, moist material is fully dry in air current pipeline, the continuous drying of moist powder has been realized, drying effect has both been guaranteed, the inherent quality of product has been guaranteed again, dry bulk drug powder is difficult for producing the phenomenon that the outward appearance is yellow, impurity level rises, operating personnel's intensity of labour has still been reduced simultaneously.
Description
Technical Field
The utility model relates to a bulk drug workshop air current drying device belongs to chemical machinery drying device technical field.
Background
At present, in the production process of the chemical pharmaceutical industry, wet materials are usually dried by adopting a boiling bed, a three-in-one equipment and the like, the equipment is usually used for drying batch materials, the drying rate is low and the equipment cannot be continuously used, once the control is not good for time, powder yellowing and product impurity level rising can be caused, and the appearance and the internal quality of the powder are influenced; on the other hand, such devices do not usually treat the dried dust and directly discharge the dust into the atmosphere, thus polluting the environment and being not in line with the requirements of green and environment-friendly production.
The utility model provides a bulk drug workshop air flow drying device, air flow drying is a convection drying's, and when wet material and dry media hot-air contacted each other, the hot-air transmitted heat energy to wet material surface, and the inside of material is transmitted by the surface again, and this is a heat transfer process. Meanwhile, the moisture in the wet material is diffused to the surface of the material from the inside in a liquid state or a gaseous state, and is diffused to the hot air of the drying medium from the surface of the material through an air film, and the mass transfer process is realized. The material is fully suspended in hot air in the airflow dryer, the heat transfer area of the material is large, the powder particles of the material completely participate in heat transfer and mass transfer, the drying efficiency is high, the drying time is short, and the time from the material entering the dryer to the material leaving the dryer is often only a few seconds. The utility model discloses both can satisfy the requirement of green production, accord with pharmaceutical industry GMP's requirement, can realize the purpose of continuous use again, be fit for the production needs.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bulk drug workshop air flow drying device for bulk drug's continuous drying satisfies the GMP requirement of green production requirement and pharmaceutical industry simultaneously.
In order to realize the purpose, the utility model discloses a technical scheme is:
an airflow drying device for a bulk drug production workshop comprises a secondary drying filter and a feeder, wherein the feeder is connected with one end of a primary drying mixer through a pipeline, the other end of the primary drying mixer is connected with a primary drying filter through a primary drying preheating pipe, the top end of the primary drying mixer is connected with a primary cyclone separator of which the bottom end is provided with a primary cyclone separator air-lock valve through a primary drying pipe, the top end of the primary cyclone separator is connected with a primary bag type dust collector of which the bottom end is provided with a primary bag type dust collector air-closing machine through a pipeline, the top end of the primary bag type dust collector is connected with an air inlet of a primary induced draft fan which pumps primary dry air through a primary exhaust pipe, the air outlet of the primary induced draft fan is connected with a primary water film dust collector for filtering dust in hot and humid air through a pipeline, and a primary water film dust collector circulating pump is arranged on the primary water film dust collector;
the second-stage drying filter is sequentially connected with a first-stage cyclone separator air-off machine and a first-stage bag type dust collector air-off machine through a second-stage drying pipe and then divided into two paths which are connected in parallel, one path is connected with a light powder drying system, the light powder drying system comprises a second-stage light powder cyclone separator and a second-stage light powder bag type dust collector which are sequentially connected, a second-stage light powder feeding valve is arranged on the second-stage drying pipe at the inlet of the second-stage light powder cyclone separator, a second-stage light powder exhaust valve is arranged on a second-stage tail air pipe at the outlet of the second-stage light powder bag type dust collector, and a second-stage light powder bag type dust collector air-off machine and a second-stage light powder cyclone separator air-off machine are respectively arranged at the bottom ends; the other path of the heavy powder drying system is connected with a heavy powder drying system, the heavy powder drying system comprises a secondary heavy powder cyclone separator and a secondary heavy powder bag type dust collector which are sequentially connected, a secondary heavy powder feeding valve and an auxiliary material feeder are sequentially arranged on a secondary drying pipe at the inlet of the secondary heavy powder cyclone separator, a secondary heavy powder exhaust valve is arranged on a secondary tail air pipe at the outlet of the secondary heavy powder bag type dust collector, and a secondary heavy powder cyclone separator air-off machine and a secondary heavy powder bag type dust collector air-off machine are respectively arranged at the bottom ends of the secondary heavy powder cyclone separator and the secondary heavy powder bag type dust collector air-off machine; two way second grade exhaust ducts converge the back and be second grade exhaust house steward, the one end of second grade exhaust house steward and the air intake connection of the second grade draught fan of drawing the second grade dry air, the air outlet of second grade draught fan passes through the pipeline and is connected with the second grade water dust scrubber, the second grade water dust scrubber is equipped with second grade water dust scrubber circulating pump.
The utility model discloses technical scheme's further improvement lies in: the air obtained by filtering through the first-stage drying filter (1) and the second-stage drying filter (6) meets the GMP requirement of the pharmaceutical industry.
The utility model discloses technical scheme's further improvement lies in: and a secondary light powder feeding valve (18) of the light powder drying system is linked with a secondary light powder exhaust valve (21), and a secondary heavy powder feeding valve (26) of the heavy powder drying system is linked with a secondary heavy powder exhaust valve (29).
The utility model discloses technical scheme's further improvement lies in: the light powder drying system and the heavy powder drying system do not operate simultaneously.
Since the technical scheme is used, the utility model discloses the technological effect who gains has:
the utility model is simple in operation, the bulk drug can fully suspend in the hot-air, material heat transfer area is big, the powder particle of material is whole to participate in heat transfer and mass transfer, drying efficiency is high, drying time is short, moist material is fully dry in air current pipeline, the continuous drying of moist powder has been realized, drying effect has both been guaranteed, the inherent quality of product has been guaranteed again, dry bulk drug powder is difficult for producing the phenomenon that the outward appearance is yellow, impurity level rises, operating personnel's intensity of labour has still been reduced simultaneously.
The utility model discloses accord with green production's requirement, remove dust through the water film dust remover and filter the recovery to the farine in the gas, avoid the farine to discharge in the air, guarantee that external gas that discharges is up to standard, non-staining environment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
wherein, 1, a first-stage drying filter, 2, a first-stage drying preheating pipe, 3, a first-stage drying mixer, 4, a feeder, 5, a first-stage drying pipe, 6, a second-stage drying filter, 7, a second-stage drying pipe, 8, a first-stage cyclone separator, 9, a first-stage cyclone separator air-lock valve, 10, a first-stage bag type dust collector air-lock valve, 11, a first-stage bag type dust collector, 12, a first-stage tail air pipe, 13, a first-stage induced draft fan, 14, a first-stage water film dust collector, 15, a second-stage tail air pipe, 16, a second-stage light powder bag type dust collector, 17, a second-stage light powder bag type dust collector air-lock valve, 18, a second-stage light powder feeding valve, 19, a second-stage light powder cyclone separator air-lock valve, 20, a second-stage light powder cyclone separator, 21, a second-stage light powder exhausting valve, 22, a first-stage water film dust collector circulating, 26. a second-stage heavy powder feeding valve, 27 a second-stage heavy powder cyclone separator air-off machine, 28 a second-stage heavy powder cyclone separator, 29 a second-stage heavy powder exhaust valve, 30 a second-stage water film dust remover, 31 a second-stage water film dust remover circulating pump, 32 a second-stage heavy powder bag type dust remover, 33 a second-stage heavy powder bag type dust remover air-off machine.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
An airflow drying device for a bulk drug production workshop is shown in figure 1: comprises a first-level drying filter 1, and the air obtained by filtering meets the GMP requirement of the pharmaceutical industry. The primary drying filter 1 is connected with one end of a primary drying mixer 3 through a primary drying preheating pipe 2, the other end of the primary drying mixer 3 is connected with a feeder 4 through a pipeline, and wet bulk pharmaceutical chemicals and hot air flow and are dried along with the hot air after being mixed in the primary drying mixer 3. The top end of the primary drying mixer 3 is connected with a primary cyclone separator 8 of which the bottom end is provided with a primary cyclone separator air-closing machine 9 through a primary drying pipe 5, the top end of the primary cyclone separator 8 is connected with a primary bag type dust collector 11 of which the bottom end is provided with a primary bag type dust collector air-closing machine 10 through a pipeline, the primary cyclone separator air-closing machine 9 and the primary bag type dust collector air-closing machine 10 have the functions of isolating drying air from outside air, materials can be smoothly discharged from the air-closing machine and are both connected with a secondary drying pipe 7 through pipelines, the top end of the primary bag type dust collector 11 is connected with an air inlet of a primary draught fan 13 through a primary exhaust pipe 12, and the draught fan 13 draws the primary drying air through power and enables the primary drying air to sequentially flow in each device and pipeline to transfer heat and mass with bulk drugs; the air outlet of one-level draught fan 13 passes through the pipeline and is connected with one-level water film dust collector 14, be equipped with one-level water film dust collector circulating pump 22 on one-level water film dust collector 14, dust in the one-level water film dust collector 14 can filter damp and hot air avoids dust exhaust polluted air.
As shown in fig. 1, one end of the secondary drying pipe 7 is connected to the secondary drying filter 6, and the air filtered by the secondary drying filter 6 meets GMP requirements of the pharmaceutical industry; the other end of the secondary drying pipe 7 is divided into two parallel paths at the connection point of the primary bag type dust collector air shutter 10, one path is connected with the light powder drying system, and the other path is connected with the heavy powder drying system. The light powder drying system comprises a secondary light powder cyclone separator 20 and a secondary light powder bag type dust collector 16 which are sequentially connected, a secondary light powder feeding valve 18 is arranged on a secondary drying pipe 7 at the inlet of the secondary light powder cyclone separator 20, a secondary light powder exhaust valve 21 is arranged on a secondary tail air pipe 15 at the outlet of the secondary light powder bag type dust collector 16, and a secondary light powder bag type dust collector air-off fan 17 and a secondary light powder cyclone separator air-off fan 19 are respectively arranged at the bottom ends of the secondary light powder cyclone separator 20 and the secondary light powder bag type dust collector 16.
As shown in fig. 1, the heavy powder drying system includes a second-stage heavy powder cyclone separator 28 and a second-stage heavy powder bag type dust collector 32 which are connected in sequence, a second-stage heavy powder feeding valve 26 and an auxiliary material feeder 25 are sequentially arranged on a second-stage drying pipe 7 at an inlet of the second-stage heavy powder cyclone separator 28, a second-stage heavy powder exhaust valve 29 is arranged on a second-stage tail air pipe 15 at an outlet of the second-stage heavy powder bag type dust collector 32, and a second-stage heavy powder cyclone separator air-off machine 27 and a second-stage heavy powder bag type dust collector air-off machine 33 are respectively arranged at bottom ends of the second-stage heavy powder cyclone separator 28 and the second-stage heavy powder bag type dust collector 32. The secondary light powder bag type dust collector air-shutting machine 17, the secondary light powder cyclone air-shutting machine 19, the secondary heavy powder cyclone air-shutting machine 27 and the secondary heavy powder bag type dust collector air-shutting machine 33 are used for isolating dry air from outside air, and materials can be smoothly discharged from the air-shutting machines. The second-stage light powder feeding valve 18 and the second-stage light powder exhaust valve 21 of the light powder drying system are linked, the second-stage heavy powder feeding valve 26 and the second-stage heavy powder exhaust valve 29 of the heavy powder drying system are linked, and the two systems can be interlocked through a selection button of a system touch screen.
As shown in fig. 1, two way second grade exhaust pipes 15 merge into second grade tail-air house steward 24 behind second grade light powder exhaust valve 21 and second grade heavy powder exhaust valve 29, second grade tail-air house steward 24's one end and the air intake connection of the second grade draught fan 23 of drawing second grade dry air, second grade draught fan 23's air outlet passes through the pipeline and is connected with second grade water dust scrubber 30, second grade water dust scrubber 30 is equipped with second grade water dust scrubber circulating pump 31.
The drying process of the raw material medicine comprises the following steps:
the wet bulk drug is sent to first order dry mixer 3 from charging means 4, the air is sucked by first order draught fan 13 and is filtered through first order dry filter 1, lead to first order dry mixer 3 and join with wet bulk drug after being heated by first order dry preheater tube 2, wet bulk drug after joining is insufflated into first order dry tube 5, moisture in the wet bulk drug evaporates rapidly under the effect of dry hot-air, later through first order cyclone 8 and first order bag collector 11 with wet hot-air with dry bulk drug separately, the wet hot-air is discharged after the dust removal of first order water film dust remover 14. The dry bulk drug enters a secondary drying pipe 7 for secondary drying, the dry bulk drug selectively enters a light powder or heavy powder secondary drying system under the control of a secondary light powder feeding valve 18 and a secondary heavy powder feeding valve 26, the light powder is separated from wet air through a secondary light powder cyclone separator 20 and a secondary light powder bag type dust collector 16, the dry bulk drug enters the next procedure, and the wet hot air is sucked through a secondary draught fan 23 and is dedusted by a secondary water film dust collector 30 and discharged into the atmosphere. The heavy powder can be added with the auxiliary materials under the work of the auxiliary material feeder 25, then the heavy powder is separated from the wet air by the secondary heavy powder cyclone separator 28 and the secondary heavy powder bag type dust collector 32, the dried material enters the next working procedure, and the wet hot air is sucked by the secondary draught fan 23 and is dedusted by the secondary water film deduster 30 and discharged into the atmosphere.
Claims (4)
1. The utility model provides a bulk drug workshop air current drying device which characterized in that: including second grade drier-filter (6) and charging means (4), charging means (4) are connected with the one end of one-level drier-mixer (3) through the pipeline, the other end of one-level drier-mixer (3) passes through one-level dry preheater tube (2) and is connected with one-level drier-filter (1), and the top of one-level drier-mixer (3) is passed through one-level drying tube (5) and is connected with one-level cyclone (8) that the bottom was equipped with one-level cyclone shut-off fan (9), the top of one-level cyclone (8) is passed through the pipeline and is connected with one-level bag collector (11) that the bottom was equipped with one-level bag collector shut-off fan (10), the top of one-level bag collector (11) is passed through one-level tuber pipe tail (12) and is taken out the air intake connection of one-level draught fan (13) of drawing one-level dry wind, the air outlet of one-level draught fan (13) is passed through the pipeline and is connected with one-level water, a first-stage water film dust collector circulating pump (22) is arranged on the first-stage water film dust collector (14);
the secondary drying filter (6) is sequentially connected with a primary cyclone separator air-lock valve (9) and a primary bag type dust collector air-lock valve (10) through a secondary drying pipe (7) and then divided into two paths which are connected in parallel, one path is connected with a light powder drying system, the light powder drying system comprises a secondary light powder cyclone separator (20) and a secondary light powder bag type dust collector (16) which are connected in sequence, a second-stage light powder feeding valve (18) is arranged on a second-stage drying pipe (7) at the inlet of the second-stage light powder cyclone separator (20), a second-stage light powder exhaust valve (21) is arranged on a second-stage tail air pipe (15) at the outlet of the second-stage light powder bag type dust collector (16), the bottom ends of the secondary light powder cyclone separator (20) and the secondary light powder bag type dust collector (16) are respectively provided with a secondary light powder bag type dust collector air-off machine (17) and a secondary light powder cyclone separator air-off machine (19); the other path of the heavy powder drying system is connected with a heavy powder drying system, the heavy powder drying system comprises a secondary heavy powder cyclone separator (28) and a secondary heavy powder bag type dust collector (32), a secondary heavy powder feeding valve (26) and an auxiliary material feeder (25) are sequentially arranged on a secondary drying pipe (7) at the inlet of the secondary heavy powder cyclone separator (28), a secondary heavy powder exhaust valve (29) is arranged on a secondary tail air pipe (15) at the outlet of the secondary heavy powder bag type dust collector (32), and a secondary heavy powder cyclone separator air-off machine (27) and a secondary heavy powder bag type dust collector air-off machine (33) are respectively arranged at the bottom ends of the secondary heavy powder cyclone separator (28) and the secondary heavy powder bag type dust collector (32); two way second grade exhaust pipe (15) join the back and be second grade exhaust house steward (24), the one end of second grade exhaust house steward (24) and the air intake connection of drawing second grade draught fan (23) of second grade dry air, the air outlet of second grade draught fan (23) passes through the pipeline and is connected with second grade water dust scrubber (30), second grade water dust scrubber (30) are equipped with second grade water dust scrubber circulating pump (31).
2. The bulk drug manufacturing plant pneumatic drying device of claim 1, characterized in that: the air obtained by filtering through the first-stage drying filter (1) and the second-stage drying filter (6) meets the GMP requirement of the pharmaceutical industry.
3. The bulk drug manufacturing plant pneumatic drying device of claim 1, characterized in that: and a secondary light powder feeding valve (18) of the light powder drying system is linked with a secondary light powder exhaust valve (21), and a secondary heavy powder feeding valve (26) of the heavy powder drying system is linked with a secondary heavy powder exhaust valve (29).
4. The bulk drug manufacturing plant pneumatic drying device of claim 1, characterized in that: the light powder drying system and the heavy powder drying system do not operate simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022205326.1U CN213631431U (en) | 2020-09-30 | 2020-09-30 | Bulk drug workshop air current drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022205326.1U CN213631431U (en) | 2020-09-30 | 2020-09-30 | Bulk drug workshop air current drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213631431U true CN213631431U (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022205326.1U Active CN213631431U (en) | 2020-09-30 | 2020-09-30 | Bulk drug workshop air current drying device |
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|---|---|
| CN (1) | CN213631431U (en) |
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- 2020-09-30 CN CN202022205326.1U patent/CN213631431U/en active Active
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