CN217330619U - Spray dryer capable of removing fine powder - Google Patents
Spray dryer capable of removing fine powder Download PDFInfo
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- CN217330619U CN217330619U CN202220671501.2U CN202220671501U CN217330619U CN 217330619 U CN217330619 U CN 217330619U CN 202220671501 U CN202220671501 U CN 202220671501U CN 217330619 U CN217330619 U CN 217330619U
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- drying tower
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- fine powder
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Abstract
The utility model relates to a spray drier technical field, specific can get rid of spray drier of farine that says so, including the drying tower, hot air distributor is installed to the drying tower upper end, hot air distributor's air intake is connected with steam heater through first air-supply line, steam heater's steam inlet is connected with the admission pipe, install the spray gun in the hot air distributor, the spray gun lower extreme stretches into in the drying tower, spray gun upper end intercommunication has the inlet pipe. The spray dryer is used for drying the materials for the third time through the drying tower, the secondary dryer and the tertiary dryer, so that the drying effect of the materials is better; and the material dried for the third time enters the classifier through the third discharge pipe, the finished product particles and the fine powder are separated through the classifier, the finished product particles are discharged from the finished product discharge pipe, the fine powder flows back into the feed pipe through the fine powder discharge pipe, and then enters the drying tower again through the spray gun for re-granulation.
Description
Technical Field
The utility model relates to a spray drier technical field specifically is a can get rid of spray drier of farine.
Background
A spray dryer is a device that can accomplish both drying and granulation. The pressure, flow and spray hole size of the feed liquid pump can be adjusted according to the technological requirements, and the required spherical particles with a certain size proportion are obtained.
Patent No. CN203724790U discloses a spray dryer for easily soluble granules. And (3) a soluble particle spray dryer: comprises an air inlet device, a heater, a feeding device, an inert gas inlet, a feeding pipe, a drying tower, an air outlet device and a discharging device; the upper part of the drying tower is connected with a heater, and the lower part of the drying tower is connected with an air outlet device and a discharging device respectively; the heater is connected with the air inlet device; the feeding device is connected with the drying tower through a feeding pipe; and the feeding pipe is connected with an inert gas inlet.
The easily soluble granule spray dryer can not separate out the produced fine materials and carry out granulation again, which can not meet the requirements of users, and the easily soluble granule spray dryer can only carry out one-time drying, and has low drying efficiency.
To this end, we have proposed a spray dryer that removes fines.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can get rid of spray dryer of farine to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can get rid of spray drier of farine, includes the drying tower, hot air distributor is installed to the drying tower upper end, hot air distributor's air intake is connected with steam heater through first air-supply line, steam heater's steam inlet is connected with the admission pipe, install the spray gun in the hot air distributor, the spray gun lower extreme stretches into in the drying tower, spray gun upper end intercommunication has the inlet pipe, the drying tower lower extreme is connected with the secondary desicator through first discharging pipe, the secondary desicator is connected with the cubic desicator through the second discharging pipe, the cubic desicator is connected with the classificator through the third discharging pipe, the classificator is connected with finished product discharging pipe and farine discharging pipe, the one end that the classificator was kept away from to the farine discharging pipe is linked together with the inlet pipe.
The classifier is communicated with a dry air inlet pipe. Dry air is introduced into the classifier through the dry air inlet pipe, and the material classification efficiency is improved.
The steam heater is connected with the secondary dryer through a second air inlet pipe, and the secondary dryer is connected with the tertiary dryer through a third air inlet pipe. The steam heated by the steam heater enters the secondary dryer for secondary utilization, the steam in the secondary dryer enters the tertiary dryer for secondary utilization, and the materials entering the secondary dryer and the tertiary dryer are dried for the second time and the third time.
And an anti-sticking coating is coated on the inner wall of the drying tower. So that the materials can not be adhered to the inner wall of the drying tower.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model connects the material source through the feeding pipe, and conveys the material to the spray gun, the material is sprayed in the drying tower through the spray gun, the steam inlet pipe is connected with the water vapor source, the water vapor enters the hot air distributor after being heated by the steam heater, and is blown into the drying tower after being evenly distributed by the hot air distributor, so that the material is dried rapidly; the materials dried by the drying tower sequentially pass through the first discharge pipe and the second discharge pipe and enter the secondary dryer and the tertiary dryer, steam heated by the steam heater enters the secondary dryer for secondary utilization, the steam in the secondary dryer enters the tertiary dryer for secondary utilization, and the materials entering the secondary dryer and the tertiary dryer are dried for the secondary and tertiary times, so that the material drying effect is better;
2. the utility model discloses in the material after the cubic drying enters into the classificator through the third discharging pipe, separate finished product granule and farine through the classificator, finished product granule is discharged from the finished product discharging pipe, and in the farine flowed back the feed pipe through the farine discharging pipe, then in entering into the drying tower again through the spray gun, carried out granulation once more.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1. a drying tower; 2. a hot air distributor; 3. a first air inlet pipe; 4. a steam heater; 5. a steam inlet pipe; 6. a spray gun; 7. a feed pipe; 8. a first discharge pipe; 9. a secondary dryer; 10. a second discharge pipe; 11. a third dryer; 12. a third discharge pipe; 13. a classifier; 14. a finished product discharge pipe; 15. a fine powder discharge pipe; 16. a dry air inlet pipe; 17. a second air inlet pipe; 18. and a third air inlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.
Referring to fig. 1, the present invention provides a technical solution: a spray dryer capable of removing fine powder comprises a drying tower 1, wherein the inner wall of the drying tower 1 is coated with an anti-sticking coating so that materials cannot be stuck on the inner wall of the drying tower 1.
The lower end of the drying tower 1 is connected with a secondary dryer 9 through a first discharge pipe 8, the secondary dryer 9 is connected with a tertiary dryer 11 through a second discharge pipe 10, the steam heater 4 is connected with the secondary dryer 9 through a second air inlet pipe 17, and the secondary dryer 9 is connected with the tertiary dryer 11 through a third air inlet pipe 18. The material after drying in drying tower 1 passes through first discharging pipe 8 and second discharging pipe 10 in proper order and enters into secondary dryer 9 and tertiary desicator 11, and the steam after through steam heater 4 heating enters into secondary dryer 9 and carries out the reutilization, and the steam in the secondary dryer 9 enters into tertiary dryer 11 and carries out the reuse, carries out the secondary and tertiary drying to the material that enters into secondary dryer 9 and tertiary dryer 11.
The tertiary dryer 11 is connected with a classifier 13 through a third discharge pipe 12, the classifier 13 is connected with a finished product discharge pipe 14 and a fine powder discharge pipe 15, the classifier 13 is communicated with a dry air inlet pipe 16, and one end, far away from the classifier 13, of the fine powder discharge pipe 15 is communicated with the feed pipe 7. The fine powder separated by the classifier 13 flows back into the feed pipe 7 through the fine powder discharge pipe 15, and then enters the drying tower 1 again through the spray gun 6 for granulation again.
Specifically, when the drying tower is used, the material source is connected through the feeding pipe 7, the material is conveyed to the spray gun 6, the material is sprayed into the drying tower 1 through the spray gun 6, the steam inlet pipe 5 is connected with the water vapor source, the water vapor enters the hot air distributor 2 after being heated by the steam heater 4, and is uniformly distributed by the hot air distributor 2 and then is blown into the drying tower 1, so that the material is rapidly dried; the materials dried by the drying tower 1 sequentially pass through the first discharge pipe 8 and the second discharge pipe 10 and enter the secondary dryer 9 and the tertiary dryer 11, steam heated by the steam heater 4 enters the secondary dryer 9 for secondary utilization, the steam in the secondary dryer 9 enters the tertiary dryer 11 for secondary utilization, and the materials entering the secondary dryer 9 and the tertiary dryer 11 are dried for secondary and tertiary times; the material dried for three times enters a classifier 13 through a third discharge pipe 12, finished product particles and fine powder are separated through the classifier 13, the finished product particles are discharged from a finished product discharge pipe 14, the fine powder flows back to the feed pipe 7 through a fine powder discharge pipe 15, and then enters the drying tower 1 again through the spray gun 6 for re-granulation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A spray dryer capable of removing fine powder, comprising a drying tower (1), characterized in that: hot air distributor (2) is installed to drying tower (1) upper end, the air intake of hot air distributor (2) is connected with steam heater (4) through first air-supply line (3), the steam inlet of steam heater (4) is connected with admission pipe (5), install spray gun (6) in hot air distributor (2), spray gun (6) lower extreme stretches into in drying tower (1), spray gun (6) upper end intercommunication has inlet pipe (7), drying tower (1) lower extreme is connected with secondary desicator (9) through first discharging pipe (8), secondary desicator (9) are connected with cubic desicator (11) through second discharging pipe (10), cubic desicator (11) are connected with classificator (13) through third discharging pipe (12), classificator (13) are connected with finished product discharging pipe (14) and farine discharging pipe (15), and one end of the fine powder discharge pipe (15) far away from the classifier (13) is communicated with the feed pipe (7).
2. A spray dryer capable of removing fine powder according to claim 1, wherein: the classifier (13) is communicated with a dry air inlet pipe (16).
3. A spray dryer capable of removing fine powder according to claim 1, wherein: the steam heater (4) is connected with the secondary dryer (9) through a second air inlet pipe (17), and the secondary dryer (9) is connected with the tertiary dryer (11) through a third air inlet pipe (18).
4. A spray dryer capable of removing fine powder according to claim 1, wherein: the inner wall of the drying tower (1) is coated with an anti-sticking coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220671501.2U CN217330619U (en) | 2022-03-25 | 2022-03-25 | Spray dryer capable of removing fine powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220671501.2U CN217330619U (en) | 2022-03-25 | 2022-03-25 | Spray dryer capable of removing fine powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217330619U true CN217330619U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220671501.2U Active CN217330619U (en) | 2022-03-25 | 2022-03-25 | Spray dryer capable of removing fine powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217330619U (en) |
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2022
- 2022-03-25 CN CN202220671501.2U patent/CN217330619U/en active Active
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