CN210813963U - Spray drying tower for producing pharmaceutical grade PVP - Google Patents
Spray drying tower for producing pharmaceutical grade PVP Download PDFInfo
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- CN210813963U CN210813963U CN201921654215.XU CN201921654215U CN210813963U CN 210813963 U CN210813963 U CN 210813963U CN 201921654215 U CN201921654215 U CN 201921654215U CN 210813963 U CN210813963 U CN 210813963U
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Abstract
The utility model discloses a production spray drying tower for pharmaceutical grade PVP, include: the scraping assembly is arranged inside the tower body and comprises a supporting rod, a shell, a motor, a rotating shaft, a first connecting rod, a scraping plate, a second connecting rod, a rod body, bristles and a filter screen, an output shaft of the motor is fixedly connected with one end of the rotating shaft, and the number of the first connecting rods is two; the output shaft through the motor drives the pivot and rotates, the first connecting rod of transmission drives the scraper blade and scrapes the inside wall of tower body and get, make the PVP powder of adhesion on the tower body inside wall fall on the filter screen, and simultaneously, the first connecting rod drives the rod body and rotates, the PVP powder that will condense into a group is smashed, the body of rod drives the brush hair and rotates, make the PVP powder on the filter screen can pass through the filter screen, fall in the people goes out the hopper, leave the tower body through the discharging pipe at last, the PVP powder can not adhere at the inside wall of tower body, and simultaneously, the PVP powder that can not appear condensing into a group, lead to the condition.
Description
The technical field is as follows:
the utility model relates to a polyvinylpyrrolidone production facility technical field specifically is a production spray drying tower for pharmaceutical grade PVP.
Background art:
PVP (polyvinyl pyrrolidone), which is a nonionic high molecular compound, is the most distinctive of N-vinyl amide polymers, is researched to obtain the deepest and wide fine chemical varieties, and has been developed into 3 types of nonionic, cationic and anionic polymers, 3 specifications of industrial grade, pharmaceutical grade and food grade, and homopolymer, copolymer and cross-linked polymer series products with the relative molecular mass of thousands to more than one million, and is widely applied by the excellent and unique properties of the products, the medical grade polyvinyl pyrrolidone is usually required to be used in a spray drying tower in production, the spray drying is a drying process of separating a raw material liquid into fog drops in an atomizer, and obtaining a powder-shaped product by a method of directly contacting hot air or other gases with the fog drops, however, when the PVP is dried by the existing spray drying tower, the situation that PVP powder is adhered to the inner wall of a tower body often occurs, meanwhile, the dried PVP powder is coagulated into lumps to influence the normal discharge of the PVP powder, so that a spray drying tower for producing medical grade PVP is provided.
The utility model has the following contents:
an object of the utility model is to provide a production spray drying tower for pharmaceutical grade PVP to solve the problem that proposes in the above-mentioned background art.
The utility model discloses by following technical scheme implement: a spray drying tower for producing pharmaceutical grade PVP, comprising: the main body assembly comprises a tower body, a bracket, a feeding pipe, a fan, a discharging hopper, an atomizer, an atomizing nozzle and a discharging pipe;
the scraping component is arranged in the tower body and comprises a supporting rod, a shell, a motor, a rotating shaft, a first connecting rod, a scraping plate, a second connecting rod, a rod body, bristles and a filter screen, the output shaft of the motor is fixedly connected with one end of the rotating shaft, the number of the first connecting rods is two, the two first connecting rods are symmetrically and fixedly connected with the outer side wall of the rotating shaft, the first connecting rod is fixedly connected with the scraping plate, one side of the scraping plate is attached to the inner side wall of the tower body, one end of the second connecting rod is fixedly connected with the bottom of the outer side wall of the first connecting rod, the other end of the second connecting rod is fixedly connected with the rod body, the brush bristles are uniformly and fixedly connected to the bottom of the outer side wall of the rod body, the filter screen is arranged on the inner side wall of the tower body, and the filter screen is positioned below the brush bristles;
and the heating assembly is arranged on the outer side wall of the tower body.
As further preferable in the present technical solution: the support weld in the lateral wall of tower body, the one end of inlet pipe communicate in the upper surface of tower body, the one end of inlet pipe runs through the tower body, the inlet pipe runs through the one end of tower body with the atomizer intercommunication, the atomizer with the atomizer intercommunication, go out the hopper intercommunication in the lower surface of tower body, the discharging pipe with go out the hopper intercommunication, the fan install in the upper surface of support.
As further preferable in the present technical solution: the bracing piece sets up two altogether the one end of bracing piece all welds in the inside wall of tower body, two the other end symmetric welding of bracing piece is in the both sides of casing, the motor install in the casing.
As further preferable in the present technical solution: heating element includes box, first electric heating board, second electric heating board, goes out tuber pipe and switch, the box with the air-out end intercommunication of fan, the box with go out tuber pipe intercommunication, go out the tuber pipe with the tower body intercommunication.
As further preferable in the present technical solution: the first electric heating plates are arranged two in number, the two first electric heating plates are symmetrically arranged on the top wall of the box body, and the second electric heating plates are arranged at the center of the bottom wall of the box body.
As further preferable in the present technical solution: the switch sets up two altogether the switch all install in on the support, one the electrical output of switch pass through the wire with the electrical input end electric connection of motor, another the electrical output of switch pass through the wire respectively with the fan the electrical input end electric connection of first electric heating board with the second electric heating board, the pivot pass through the bearing with the filter screen rotates and is connected.
The utility model has the advantages that: the output shaft through the motor drives the pivot and rotates, the first connecting rod of transmission drives the scraper blade and scrapes the inside wall of tower body and get, make the PVP powder of adhesion on the tower body inside wall fall on the filter screen, and simultaneously, the first connecting rod drives the rod body and rotates, the PVP powder that will condense into a group is smashed, the body of rod drives the brush hair and rotates, make the PVP powder on the filter screen can pass through the filter screen, fall in the people goes out the hopper, leave the tower body through the discharging pipe at last, the PVP powder can not adhere at the inside wall of tower body, and simultaneously, the PVP powder that can not appear condensing into a group, lead to the condition.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the internal structure of the tower body of the present invention;
fig. 3 is an enlarged view of the structure of region a in fig. 2 according to the present invention;
fig. 4 is an enlarged view of the structure of region B in fig. 2.
In the figure: 10. a body assembly; 11. a tower body; 12. a support; 13. a feed pipe; 14. a fan; 15. a discharge hopper; 16. an atomizer; 17. an atomizing spray head; 18. a discharge pipe; 20. a scraping component; 21. a support bar; 22. a housing; 23. a motor; 24. a rotating shaft; 25. a first link; 26. a squeegee; 27. a second link; 28. a rod body; 281. brushing; 29. a filter screen; 30. a heating assembly; 31. a box body; 32. a first electrical heating plate; 33. a second electrical heating plate; 34. an air outlet pipe; 35. and (4) switching.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: a spray drying tower for producing pharmaceutical grade PVP, comprising: the device comprises a main body assembly 10, wherein the main body assembly 10 comprises a tower body 11, a support 12, a feeding pipe 13, a fan 14, a discharging hopper 15, an atomizer 16, an atomizing nozzle 17 and a discharging pipe 18;
and the heating assembly 30 is arranged on the outer side wall of the tower body 11, and the heating assembly 30 is arranged on the outer side wall of the tower body 11.
In this embodiment, specifically: the support 12 is welded on the outer side wall of the tower body 11, one end of the feeding pipe 13 is communicated with the upper surface of the tower body 11, one end of the feeding pipe 13 penetrates through the tower body 11, one end of the feeding pipe 13 penetrating through the tower body 11 is communicated with the atomizer 16, the atomizer 16 is communicated with the atomizing spray head 17, the discharging hopper 15 is communicated with the lower surface of the tower body 11, the discharging pipe 18 is communicated with the discharging hopper 15, and the fan 14 is installed on the upper surface of the support 12; through above setting, support 12 is used for supporting tower body 11, can be to the raw materials of injecting into in the tower body 11 through inlet pipe 13, and the raw materials of injecting into in the tower body 11 atomizes through atomizer 16, leaves atomizer 16 through atomizer 17, through hot-blast stoving, in PVP powder falls people's play hopper 15, leaves tower body 11 through discharging pipe 18 at last.
In this embodiment, specifically: the number of the support rods 21 is two, one end of each of the two support rods 21 is welded to the inner side wall of the tower body 11, the other end of each of the two support rods 21 is symmetrically welded to two sides of the shell 22, and the motor 23 is installed in the shell 22; with the above arrangement, the support rod 21 is used to support the housing 22, and the housing 22 is used to support the motor 23.
In this embodiment, specifically: the heating assembly 30 comprises a box body 31, a first electric heating plate 32, a second electric heating plate 33, an air outlet pipe 34 and a switch 35, wherein the box body 31 is communicated with an air outlet end of the fan 14, the box body 31 is communicated with the air outlet pipe 34, and the air outlet pipe 34 is communicated with the tower body 11; through the arrangement, the air source extracted by the fan 14 enters the box body 31, is heated and then leaves the box body 31, and enters the tower body 11 through the air outlet pipe 34.
In this embodiment, specifically: the number of the first electric heating plates 32 is two, the two first electric heating plates 32 are symmetrically arranged on the top wall of the inner part of the box body 31, and the second electric heating plate 33 is arranged at the center of the bottom wall of the inner part of the box body 31; through above setting, first electric heating board 32 cooperation second electric heating board 33 can heat the wind that gets into in the box 31, and simultaneously, two first electric heating boards 32 cooperation second electric heating board 33 cut off the inner space of box 31, and the flow direction of control wind increases the time that wind stayed in box 31, increases the heating effect.
In this embodiment, specifically: the number of the switches 35 is two, two of the switches 35 are both mounted on the bracket 12, an electrical output end of one of the switches 35 is electrically connected to an electrical input end of the motor 23 through a wire, and an electrical output end of the other switch 35 is electrically connected to electrical input ends of the fan 14, the first electrical heating plate 32 and the second electrical heating plate 33 through wires; through the above arrangement, the two switches 35 can respectively control the start and the stop of the motor 23, the fan 14, the first electric heating plate 32 and the second electric heating plate 33, and the rotating shaft 24 is rotatably connected with the filter screen 29 through a bearing.
In this embodiment: the fan 14 is model No. CX-125.
In this embodiment: the first and second electric-heating plates 32 and 33 are each SP-005 in size.
In this embodiment: the motor 23 is TCH/V-200.
In this embodiment: the atomizer 16 adopts the invention of the public authority: an atomizer structure in an atomizer environment-friendly device (publication number: CN207247435U) with high safety.
Working principle or structural principle, when in use, raw materials are injected into the tower body 11 through the feeding pipe 13, the raw materials injected into the tower body 11 are atomized by the atomizer 16, leave the atomizer 16 through the atomizing nozzle 17, the fan 14 extracts air source from the outside, enter the tower body 11 after being heated by the heating assembly 30, and dry polyvinylpyrrolidone, the dried polyvinylpyrrolidone powder falls on the filter screen 29, the motor 23 is started, the output shaft of the motor 23 drives the rotating shaft 24 to rotate, the first connecting rod 25 is driven, the first connecting rod 25 drives the scraping plate 26 to scrape the inner side wall of the tower body 11, so that the polyvinylpyrrolidone powder adhered on the inner side wall of the tower body 11 falls on the filter screen 29, meanwhile, the first connecting rod 25 drives the second connecting rod 27 to rotate, the second connecting rod 27 drives the rod body 28 to rotate, and the polyvinylpyrrolidone powder condensed into a mass is smashed, the body of rod 28 drives brush hair 281 and rotates for polyvinylpyrrolidone powder on the filter screen 29 can pass through filter screen 29, and in the people's play hopper 15 that falls, leave tower body 11 through discharging pipe 18 at last, polyvinylpyrrolidone powder can not the adhesion at the inside wall of tower body 11, and simultaneously, polyvinylpyrrolidone powder can not appear condensing into a group, leads to the condition of blockking up discharging pipe 18.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A spray drying tower for producing pharmaceutical grade PVP, comprising: the device comprises a main body assembly (10), wherein the main body assembly (10) comprises a tower body (11), a support (12), a feeding pipe (13), a fan (14), a discharging hopper (15), an atomizer (16), an atomizing spray head (17) and a discharging pipe (18);
scrape material subassembly (20), scrape material subassembly (20) install in inside tower body (11), scrape material subassembly (20) including bracing piece (21), casing (22), motor (23), pivot (24), first connecting rod (25), scraper blade (26), second connecting rod (27), body of rod (28), brush hair (281) and filter screen (29), the output shaft of motor (23) with the one end fixed connection of pivot (24), first connecting rod (25) set up two altogether, two first connecting rod (25) symmetry fixed connection in the lateral wall of pivot (24), first connecting rod (25) with scraper blade (26) fixed connection, one side of scraper blade (26) in attached in the inside wall of tower body (11), the one end fixed connection of second connecting rod (27) in the lateral wall bottom of first connecting rod (25), the other end of the second connecting rod (27) is fixedly connected with the rod body (28), the bristles (281) are uniformly and fixedly connected to the bottom of the outer side wall of the rod body (28), the filter screen (29) is installed on the inner side wall of the tower body (11), and the filter screen (29) is located below the bristles (281);
the heating assembly (30) is arranged on the outer side wall of the tower body (11), and the heating assembly (30) is arranged on the outer side wall of the tower body (11).
2. The spray drying tower of claim 1, wherein said spray drying tower comprises: support (12) weld in the lateral wall of tower body (11), the one end of inlet pipe (13) communicate in the upper surface of tower body (11), the one end of inlet pipe (13) is run through tower body (11), inlet pipe (13) run through the one end of tower body (11) with atomizer (16) intercommunication, atomizer (16) with atomizer (17) intercommunication, go out hopper (15) communicate in the lower surface of tower body (11), discharging pipe (18) with go out hopper (15) intercommunication, fan (14) install in the upper surface of support (12).
3. The spray drying tower of claim 1, wherein said spray drying tower comprises: bracing piece (21) set up two, two the one end of bracing piece (21) all weld in the inside wall of tower body (11), two the other end symmetry of bracing piece (21) weld in the both sides of casing (22), motor (23) install in casing (22).
4. The spray drying tower of claim 1, wherein said spray drying tower comprises: heating element (30) include box (31), first electric heating board (32), second electric heating board (33), go out tuber pipe (34) and switch (35), box (31) with the air-out end intercommunication of fan (14), box (31) with go out tuber pipe (34) intercommunication, go out tuber pipe (34) with tower body (11) intercommunication.
5. A spray drying tower according to claim 4 for the production of pharmaceutical grade PVP, wherein: the first electric heating plates (32) are arranged in two, the two first electric heating plates (32) are symmetrically arranged on the top wall of the interior of the box body (31), and the second electric heating plates (33) are arranged at the center of the bottom wall of the interior of the box body (31).
6. A spray drying tower according to claim 4 for the production of pharmaceutical grade PVP, wherein: switch (35) set up two altogether, two switch (35) all install in on support (12), one the electrical property output of switch (35) pass through the wire with the electrical property input electric connection of motor (23), another the electrical property output of switch (35) pass through the wire respectively with fan (14), first electric heating board (32) and the electrical property input electric connection of second electric heating board (33), pivot (24) pass through the bearing with filter screen (29) rotate and are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921654215.XU CN210813963U (en) | 2019-09-29 | 2019-09-29 | Spray drying tower for producing pharmaceutical grade PVP |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921654215.XU CN210813963U (en) | 2019-09-29 | 2019-09-29 | Spray drying tower for producing pharmaceutical grade PVP |
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| Publication Number | Publication Date |
|---|---|
| CN210813963U true CN210813963U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921654215.XU Active CN210813963U (en) | 2019-09-29 | 2019-09-29 | Spray drying tower for producing pharmaceutical grade PVP |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112791433A (en) * | 2021-01-29 | 2021-05-14 | 福建未来药业有限公司 | Centrifugal spraying device for preparing biological enzyme |
| CN112807720A (en) * | 2020-12-22 | 2021-05-18 | 合肥厚为新材料技术有限公司 | Dry collection device of oxidation graphite alkene powder |
-
2019
- 2019-09-29 CN CN201921654215.XU patent/CN210813963U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112807720A (en) * | 2020-12-22 | 2021-05-18 | 合肥厚为新材料技术有限公司 | Dry collection device of oxidation graphite alkene powder |
| CN112791433A (en) * | 2021-01-29 | 2021-05-14 | 福建未来药业有限公司 | Centrifugal spraying device for preparing biological enzyme |
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