CN215353288U - Fine powder return tower reunion granulation device of pressure spray dryer - Google Patents
Fine powder return tower reunion granulation device of pressure spray dryer Download PDFInfo
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- CN215353288U CN215353288U CN202121497694.6U CN202121497694U CN215353288U CN 215353288 U CN215353288 U CN 215353288U CN 202121497694 U CN202121497694 U CN 202121497694U CN 215353288 U CN215353288 U CN 215353288U
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Abstract
The utility model belongs to the technical field of pressure spray drying machines, and particularly discloses a fine powder re-polymerization granulation device of a pressure spray drying machine, which comprises a pressure spray drying tower, a vibrating screen and a fan, wherein the pressure spray drying tower is connected with the vibrating screen; the top of the pressure spray drying tower is provided with a feed liquid inlet and a hot air inlet, and the bottom end of the pressure spray drying tower is communicated with the vibrating screen through a first discharge pipe; the right side of the pressure spray drying tower is communicated with a cyclone separator, and the bottom end of the cyclone separator is provided with a second discharge pipe; the right air outlet of the cyclone separator is communicated with a bag type dust collector, and the bottom end of the bag type dust collector is provided with an ultrafine powder collecting bin; the fan is positioned on the right side of the vibrating screen, the air outlet end of the fan is communicated with the filter, one side of the filter, which is far away from the fan, is communicated with the electric heater, one side of the electric heater, which is far away from the filter, is communicated with the conveying pipe, and the top end of the conveying pipe is communicated with the feed liquid inlet; according to the utility model, the whole particle size of the product is increased, the waste of fine powder is reduced, and the productivity and the income are improved in a mode of returning the fine powder to the tower.
Description
Technical Field
The utility model relates to the technical field of pressure spray dryers, in particular to a fine powder re-polymerization granulation device of a pressure spray dryer.
Background
The pressure spray dryer can produce powder with different particle sizes during granulation, and in some industries, only powder with larger particle size is needed as a product, but the following two conditions can be frequently met: 1. the average particle size of the powder generated by pressure spraying is not large enough, and the expected effect cannot be achieved; 2. the separated fine powder can be treated only as inferior products or even as waste, thereby causing waste, increasing costs as a whole, and reducing the yield.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fine powder re-polymerizing and granulating device of a pressure spray dryer, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a pressure spray dryer fine powder return tower reunion granulation device comprises a pressure spray drying tower, a vibrating screen and a fan; the top of the pressure spray drying tower is provided with a feed liquid inlet and a hot air inlet, and the bottom end of the pressure spray drying tower is communicated with the vibrating screen through a first discharge pipe; the right side of the pressure spray drying tower is communicated with a cyclone separator through a connecting pipe, a second discharging pipe is arranged at the bottom end of the cyclone separator, and the second discharging pipe is communicated with the first discharging pipe through the connecting pipe; the right air outlet of the cyclone separator is communicated with a bag type dust collector through a connecting pipe, the top of the right side of the bag type dust collector is provided with a waste gas outlet, and the bottom end of the bag type dust collector is provided with an ultrafine powder collecting bin; the fan is located the right side of shale shaker, and the air-out end intercommunication of fan has the filter, and one side intercommunication that the fan was kept away from to the filter has electric heater, and one side intercommunication that electric heater kept away from the filter has the conveyer pipe, the top and the feed liquid import intercommunication of conveyer pipe.
Preferably, the first discharging pipe and the second discharging pipe are both provided with double-layer pneumatic butterfly valves.
Preferably, an ultrafine powder storage bin is arranged between the vibrating screen and the heater, an ultrafine powder discharge pipe is arranged at the bottom end of the ultrafine powder storage bin, and the bottom end of the ultrafine powder discharge pipe is communicated with the first pipeline accelerator on the conveying pipe
Preferably, a valve is arranged on the superfine powder discharge pipe.
Preferably, the right side of the vibrating screen is provided with a product outlet, the left side of the vibrating screen is provided with a fine powder outlet, and the fine powder outlet is communicated with a second pipeline accelerator on the conveying pipe.
Preferably, the top of the superfine powder storage bin is provided with a superfine powder feeding port.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model increases the whole grain diameter of the product by returning the fine powder to the tower, reduces the waste of the fine powder, improves the productivity and improves the income.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
fig. 2 is a schematic view of the overall structure of embodiment 2 of the present invention.
In the figure: 1. a pressure spray drying tower; 2. a feed liquid inlet; 3. a hot air inlet; 4. a first discharge pipe; 5. vibrating screen; 6. a cyclone separator; 7. a second discharge pipe; 8. a double-layer pneumatic butterfly valve; 9. a bag type dust collector; 10. an ultrafine powder collecting bin; 11. a fan; 12. a filter; 13. a heater; 14. a delivery pipe; 15. an ultrafine powder storage bin; 16. an ultra-fine powder discharge pipe; 17. a valve; 18. a first pipeline accelerator; 19. a second pipeline accelerator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1: referring to fig. 1, the present invention provides a technical solution: a pressure spray dryer fine powder return tower reunion prilling granulator comprises a pressure spray drying tower 1, a vibrating screen 5 and a fan 11; the top of the pressure spray drying tower 1 is provided with a feed liquid inlet 2 and a hot air inlet 3, the bottom end of the feed liquid inlet 2 is provided with a pressure nozzle, and the bottom end of the pressure spray drying tower 1 is communicated with a vibrating screen 5 through a first discharge pipe 4; the right side of the pressure spray drying tower 1 is communicated with a cyclone separator 6 through a connecting pipe, a second discharging pipe 7 is arranged at the bottom end of the cyclone separator 6, and the second discharging pipe 7 is communicated with the first discharging pipe 4 through a connecting pipe; the right air outlet of the cyclone separator 6 is communicated with a bag type dust collector 9 through a connecting pipe, the top of the right side of the bag type dust collector 9 is provided with a waste gas outlet, and the bottom end of the bag type dust collector 9 is provided with an ultrafine powder collecting bin 10; the fan 11 is located the right side of shale shaker 5, and the air-out end of fan 11 communicates there is filter 12, and the one side that fan 11 was kept away from to filter 12 communicates there is electric heater 13, and one side that electric heater 13 kept away from filter 12 communicates there is conveyer pipe 14, and the top of conveyer pipe 14 communicates with feed liquid import 2.
Furthermore, the first discharging pipe 4 and the second discharging pipe 7 are both provided with a double-layer pneumatic butterfly valve 8.
Further, an ultrafine powder storage bin 15 is arranged between the vibrating screen 5 and the heater 13, an ultrafine powder discharge pipe 16 is arranged at the bottom end of the ultrafine powder storage bin 15, and the bottom end of the ultrafine powder discharge pipe 16 is communicated with a first pipeline accelerator 18 on the delivery pipe 14.
Further, a valve 17 is arranged on the superfine powder discharge pipe 16.
Further, a product outlet is formed in the right side of the vibrating screen 5, a fine powder outlet is formed in the left side of the vibrating screen, and the fine powder outlet is communicated with a second pipeline accelerator 19 on the conveying pipe 14.
Further, an ultrafine powder feeding port is arranged at the top of the ultrafine powder storage bin 15.
The specific working process is as follows: the feed liquid is sprayed through a pressure nozzle and dried in a pressure spray drying tower 1, after drying, powder with large particle size falls to the bottom of the tower, falls into a vibrating screen 5 through a double-layer pneumatic butterfly valve 8, fine powder enters a cyclone separator 6 along with waste gas to be collected, most of fine powder is collected at the bottom of the cyclone separator 6, enters the vibrating screen 5 through the double-layer pneumatic butterfly valve 8, a first discharge pipe 4 and a second discharge pipe 7 to be mixed with the powder collected at the bottom of the pressure spray drying tower 1 and is screened out to obtain a product and fine powder, and very small amount of ultra-fine powder discharged from an air outlet of the cyclone separator 6 enters a bag-type dust collector 9 along with the waste gas and is collected in an ultra-fine powder collecting bin 10 at the bottom of the bag-type dust collector 9; outside air enters a conveying pipe 14 after passing through a fan 11, a filter 12 and a heater 13, fine powder screened by a vibrating screen 5 is conveyed to the top of a pressure spray drying tower 1 through a second pipeline accelerator 19 and is polymerized with fog drops sprayed by a pressure nozzle in the tower and then dried together to obtain powder with larger particle size, the obtained powder is screened by the vibrating screen 5 to obtain a product and fine powder, and the fine powder is recycled through the device; in addition, the device can recycle the ultrafine powder, generally the proportion of the ultrafine powder is extremely low, so that the ultrafine powder in the ultrafine powder collecting bin 10 at the bottom of the bag type dust collector 9 can be manually put into the ultrafine powder storage bin 15, the valve 17 is opened, the ultrafine powder enters the conveying pipe 14 through the first pipeline accelerator 18 and returns to the tower together with the fine powder screened by the vibrating screen 5, a large amount of large-particle-size products and a small amount of fine powder can be obtained, the productivity can be further improved, and the income can be increased.
Example 2: referring to fig. 2, the present invention provides a technical solution: a pressure spray dryer fine powder return tower reunion prilling granulator comprises a pressure spray drying tower 1 and a fan 11; the top of the pressure spray drying tower 1 is provided with a feed liquid inlet 2 and a hot air inlet 3, the bottom end of the feed liquid inlet 2 is provided with a pressure nozzle, and the bottom end of the pressure spray drying tower 1 is provided with a first discharge pipe 4; the right side of the pressure spray drying tower 1 is communicated with a bag type dust collector 9 through a connecting pipe, and the top of the right side of the bag type dust collector 9 is provided with a waste gas outlet; the fan 11 is positioned below the bag type dust collector 9, the air outlet end of the fan 11 is communicated with a filter 12, one side of the filter 12, which is far away from the fan 11, is communicated with an electric heater 13, one side of the electric heater 13, which is far away from the filter 12, is communicated with a conveying pipe 14, and the top end of the conveying pipe 14 is communicated with the feed liquid inlet 2; the bottom end of the bag type dust collector 9 is provided with an outlet, a double-layer pneumatic butterfly valve 8 is installed at the outlet, and the bottom end of the outlet is communicated with a first pipeline accelerator 18 on the conveying pipe 14.
The specific working process is as follows: the feed liquid is sprayed through a pressure nozzle and dried in a pressure spray drying tower 1, after drying, powder with large particle size is discharged through a first discharge pipe 4 at the bottom of the tower, fine powder enters a bag type dust collector 9 along with waste gas and is collected at the bottom of the bag type dust collector 9, the fine powder collected in the bag type dust collector 9 enters a first pipeline accelerator 18 through a double-layer pneumatic butterfly valve 8 and an outlet, the two double-layer pneumatic butterfly valves 8 are alternately opened and closed circularly in the operation process, and the upper closing is performed, the upper opening is performed, the lower opening is performed, the upper opening is performed, and the wind of the device can not influence the wind of a drying system; adjusting the opening and closing time of the valve according to the falling condition of the fine powder, wherein a proper amount of fine powder falls into the first pipeline accelerator 18 when the valve is opened and closed each time; outside air enters the conveying pipe 14 after passing through the fan 11, the filter 12 and the heater 13, fine powder falling into the first pipeline accelerator 18 is conveyed to the top of the pressure spray drying tower 1 and is polymerized with fog drops sprayed by a pressure nozzle in the tower and then dried together to obtain powder with a large particle size, the powder with the large particle size falls to the bottom of the tower and is collected as a product, newly produced fine powder is collected in the bag type dust collector 9 again, and the powder is circulated again through the device, so that the productivity can be improved, and the income is increased.
It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A pressure spray dryer fine powder return tower reunion granulation device is characterized by comprising a pressure spray drying tower (1), a vibrating screen (5) and a fan (11); the top of the pressure spray drying tower (1) is provided with a feed liquid inlet (2) and a hot air inlet (3), and the bottom end of the pressure spray drying tower (1) is communicated with a vibrating screen (5) through a first discharge pipe (4); the right side of the pressure spray drying tower (1) is communicated with a cyclone separator (6) through a connecting pipe, a second discharging pipe (7) is arranged at the bottom end of the cyclone separator (6), and the second discharging pipe (7) is communicated with the first discharging pipe (4) through the connecting pipe; the right air outlet of the cyclone separator (6) is communicated with a bag type dust collector (9) through a connecting pipe, the top of the right side of the bag type dust collector (9) is provided with an exhaust gas outlet, and the bottom end of the bag type dust collector (9) is provided with an ultrafine powder collecting bin (10); fan (11) are located the right side of shale shaker (5), and the air-out end intercommunication of fan (11) has filter (12), and one side intercommunication that fan (11) were kept away from in filter (12) has electric heater (13), and one side intercommunication that filter (12) were kept away from in electric heater (13) has conveyer pipe (14), and the top and feed liquid import (2) intercommunication of conveyer pipe (14).
2. The fine powder regrinding and granulating device of the pressure spray dryer as claimed in claim 1, wherein: and the first discharging pipe (4) and the second discharging pipe (7) are both provided with double-layer pneumatic butterfly valves (8).
3. The fine powder regrinding and granulating device of the pressure spray dryer as claimed in claim 1, wherein: an ultrafine powder storage bin (15) is arranged between the vibrating screen (5) and the heater (13), an ultrafine powder discharge pipe (16) is arranged at the bottom end of the ultrafine powder storage bin (15), and the bottom end of the ultrafine powder discharge pipe (16) is communicated with a first pipeline accelerator (18) on the conveying pipe (14).
4. The fine powder regrinding and granulating device of the pressure spray dryer as claimed in claim 3, wherein: and a valve (17) is arranged on the superfine powder discharge pipe (16).
5. The fine powder regrinding and granulating device of the pressure spray dryer as claimed in claim 1, wherein: the right side of the vibrating screen (5) is provided with a product outlet, the left side of the vibrating screen is provided with a fine powder outlet, and the fine powder outlet is communicated with a second pipeline accelerator (19) on the conveying pipe (14).
6. The fine powder regrinding and granulating device of the pressure spray dryer as claimed in claim 3, wherein: the top of the superfine powder storage bin (15) is provided with a superfine powder feeding port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121497694.6U CN215353288U (en) | 2021-07-01 | 2021-07-01 | Fine powder return tower reunion granulation device of pressure spray dryer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121497694.6U CN215353288U (en) | 2021-07-01 | 2021-07-01 | Fine powder return tower reunion granulation device of pressure spray dryer |
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| CN215353288U true CN215353288U (en) | 2021-12-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116020335A (en) * | 2023-01-04 | 2023-04-28 | 先导薄膜材料（广东）有限公司 | ITO powder's atomizing prilling granulator |
| CN117299551A (en) * | 2023-06-26 | 2023-12-29 | 重庆聚购科技发展有限公司 | Siliceous quartz micro powder preparation and screening integrated equipment and method for fracturing propping agent |
-
2021
- 2021-07-01 CN CN202121497694.6U patent/CN215353288U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116020335A (en) * | 2023-01-04 | 2023-04-28 | 先导薄膜材料（广东）有限公司 | ITO powder's atomizing prilling granulator |
| CN117299551A (en) * | 2023-06-26 | 2023-12-29 | 重庆聚购科技发展有限公司 | Siliceous quartz micro powder preparation and screening integrated equipment and method for fracturing propping agent |
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