CN219110846U - Spray dryer - Google Patents
Spray dryer Download PDFInfo
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- CN219110846U CN219110846U CN202222896677.0U CN202222896677U CN219110846U CN 219110846 U CN219110846 U CN 219110846U CN 202222896677 U CN202222896677 U CN 202222896677U CN 219110846 U CN219110846 U CN 219110846U
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- 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
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- 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
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Abstract
The utility model aims to provide a spray dryer which comprises a frame, a cylinder, an atomizer, an air inlet pipeline, a cyclone separator and a dust removal fan, wherein the cylinder is arranged on the frame; the cylinder body consists of an upper round cylinder body unit and a lower conical cylinder body unit, and more than one air hammer is arranged on the conical cylinder body unit; the atomizer is arranged at the top of the round cylinder unit and is connected with the peristaltic pump; one end of the air inlet pipeline is communicated with the top of the round cylinder unit, the other end of the air inlet pipeline is connected with an air inlet fan, and a heater is arranged on the air inlet pipeline; the upper part of the cyclone separator is communicated with the bottom end of the conical cylinder; the dust removing fan is communicated with the top of the cyclone separator by adopting a dust removing pipeline. The air hammer is arranged outside the cylinder body, other structures are not required to be arranged inside the cylinder body, a driving device is not required to be arranged independently from the bottom of the cylinder body, the whole structure is simpler, and the discharging of the cylinder body is not influenced because the air hammer is not arranged at the bottom of the cylinder body.
Description
Technical Field
The utility model relates to a spray dryer, and belongs to the technical field of pharmaceutical equipment.
Background
Spray drying is the most widely used process in the liquid process forming and drying industry, and is suitable for producing powdery, granular solid products from solution, emulsion, suspension and pasty liquid raw materials, and spray dryers made from this principle are widely used in the pharmaceutical field. The existing spray drier is disclosed in Chinese patent publication No. CN217448967U, a scraping device is arranged in a spray drying tower and driven to rotate by a motor, a supporting vertical rod and a scraper of each scraping arm of the scraping device are convenient to adapt to the vertical surface of the inner wall of the drying main body part of the spray drying tower, a supporting inclined arm of each scraping arm is convenient to adapt to the inclined surface of the inner wall of the drying bottom part of the spray drying tower, and an output shaft of the motor drives a central rotating shaft of the scraping device to rotate by a ball screw; in the spray drying process, the scraper of the scraping device can be driven to move up and down relative to the spray drying tower, so that semi-wet materials, low-melting-point materials or powder adsorbed on the inner wall of the drying main body part of the spray drying tower can be scraped in a larger upper and lower area range.
Disclosure of Invention
The utility model aims to provide a spray dryer which solves the technical defects that in the prior art, a scraper is arranged in a cylinder body and used for scraping materials adhered to the inner surface of the cylinder body, the scraper is arranged on the cylinder body, a driving structure used for driving the scraper to rotate is arranged outside the cylinder body, the whole structure is complex, and the discharging is influenced.
In order to solve the problems, the utility model adopts the following technical scheme: the spray dryer comprises a frame, a cylinder, an atomizer, an air inlet pipeline, a cyclone separator and a dust removal fan; the cylinder body consists of an upper round cylinder body unit and a lower conical cylinder body unit, the round cylinder body unit is fixed on the frame, and more than one air hammer is arranged on the conical cylinder body unit; the atomizer is arranged at the top of the round cylinder unit, is connected with the peristaltic pump in a use state and is used for atomizing the feed liquid pumped into the cylinder by the peristaltic pump; one end of the air inlet pipeline is communicated with the top of the round barrel unit, the other end of the air inlet pipeline is connected with an air inlet fan, a heater is arranged at one end of the air inlet pipeline connected with the air inlet fan, air blown in by the air inlet fan enters the round barrel unit after being heated by the heater, contacts with atomized feed liquid and dries the feed liquid into a granular finished product; the upper part of the cyclone separator is communicated with the bottom end of the conical cylinder body and is used for separating finished product particles from powder in the cylinder body and collecting the finished product particles from the bottom end of the cyclone separator; the dust removing fan is communicated with the top of the cyclone separator by adopting a dust removing pipeline and is used for removing powder in the cyclone separator. The conical cylinder unit at the lower part of the cylinder is convenient for discharging dried material particles, the air hammer is arranged on the conical cylinder unit, and when materials are attached to the inner surface of the conical cylinder unit, the materials adhered to the inner surface of the conical cylinder unit are vibrated down by the vibrating shell, so that the cylinder is convenient to clean.
The utility model further comprises a heat distribution volute, wherein the heat distribution volute is arranged at the top part in the circular cylinder unit, and the air inlet pipeline is communicated with the heat distribution volute and is used for enabling hot air in the air inlet pipeline to enter the cylinder uniformly in a spiral manner to be in contact with atomized feed liquid. The utility model is provided with the heat distribution volute, so that hot air enters the barrel in a spiral manner, and the hot air is better contacted with atomized feed liquid, thereby being more beneficial to drying the material into particles.
As a further improvement of the utility model, the round cylinder unit comprises a round outer cylinder and a round inner cylinder, an upper heat insulation cavity is formed between the round outer cylinder and the round inner cylinder, the conical cylinder unit comprises a conical outer cylinder and a conical inner cylinder, a lower heat insulation cavity is formed between the conical outer cylinder and the conical inner cylinder, the bottom end of the round outer cylinder is fixedly connected with the top end of the conical outer cylinder, the bottom end of the round inner cylinder is fixedly connected with the top end of the conical inner cylinder, and the bottom end of the upper heat insulation cavity is communicated with the top end of the lower heat insulation cavity. The cylinder body is composed of an inner layer and an outer layer, and the heat insulation cavity formed in the middle of the cylinder body can effectively reduce heat dissipation in the cylinder body and improve the heat utilization rate.
As a further improvement of the utility model, the cyclone separator is fixed on the frame, the bottom end of the conical cylinder unit is communicated with the upper part of the cyclone separator by adopting a discharge pipeline, and the top end of the cyclone separator is communicated with the dust removal fan by adopting an exhaust pipe. The utility model adopts the discharging pipeline to connect the cone-shaped cylinder unit and the cyclone separator, so that the installation position of the cyclone separator can be properly selected according to the requirement.
As a further improvement of the utility model, the number of the cyclone separators is two, the two cyclone separators are fixed on the frame, the upper parts of the two cyclone separators are communicated with the bottom end of the conical cylinder unit, and the top ends of the two cyclone separators are communicated with the same dust removing fan. According to the utility model, the two cyclone separators are arranged, and the materials are separated through the two cyclone separators, so that the powder in the materials is cleaned more cleanly.
As a further improvement of the utility model, the heater comprises a heater shell and an electric heating wire, wherein the electric heating wire is arranged in the heater shell, one end of the heater shell is communicated with the air inlet pipeline, the other end of the heater shell is communicated with the air inlet fan, and the electric heating wire heats air flowing through the heater shell. The electric heating wire is electrified to generate heat, so that the air flowing through the heater shell is heated, and the temperature of the air is increased to be required by drying materials.
As a further improvement of the utility model, the utility model also comprises an observation window, one side of the observation window is rotationally connected with the round cylinder unit, the other side of the observation window is locked with the round cylinder unit in a use state, and the observation window is provided with a sight glass which is made of transparent materials and is used for observing the drying condition of materials in the cylinder. The utility model is provided with the observation window, and the observation window can be used for entering the inside of the cylinder body when needed, cleaning and overhauling the inside of the cylinder body, and the observation window is provided with the sight glass, so that the drying condition in the cylinder body can be observed at any time.
As a further improvement of the utility model, a sealing piece is arranged at the joint of the edge of the observation window and the round cylinder unit. According to the utility model, the sealing performance of the connection between the observation window and the circular cylinder unit is enhanced by arranging the sealing sheet.
In summary, the beneficial effects of the utility model are as follows: the cylinder body is provided with the air hammer, the cylinder body can be vibrated when needed, materials adhered to the inner surface of the cylinder body can be vibrated, and the cleaning of the materials in the cylinder body is facilitated.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a schematic view showing the structure of a barrel portion in the present utility model.
Wherein: 1. a frame; 2. a cylinder; 3. a circular cylinder unit; 4. a conical cylinder unit; 5. an air hammer; 6. an atomizer; 7. an air inlet pipeline; 8. a heater; 9. a cyclone separator; 10. a dust removal fan; 11. a heat distribution volute; 12. a discharge pipe; 13. an observation window; 14. a viewing mirror.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings.
The spray dryer as shown in fig. 1 and 2 comprises a frame 1, a cylinder 2, an atomizer 6, an air inlet pipeline 7, a cyclone separator 9 and a dust removal fan 10; the cylinder 2 in the utility model is composed of an upper round cylinder unit 3 and a lower conical cylinder unit 4, the bottom end of the round cylinder unit 3 is welded and fixed with the top end of the conical cylinder unit 4, wherein the diameter of the bottom end of the conical cylinder unit 4 is smaller than that of the top end, the diameter of the top end of the conical cylinder unit 4 is equal to that of the round cylinder unit 3, the round cylinder unit 3 is fixed on a frame 1, the center line of the round cylinder unit 3 is arranged along the vertical direction, more than one air hammer 5 is arranged on the conical cylinder unit 4, after the cylinder unit 4 is used for a period of time, the air hammer 5 is started to vibrate the conical cylinder unit 4, the materials adhered on the inner surface of the conical cylinder unit 4 vibrate down, and the purpose of cleaning the cylinder 1 is achieved.
The atomizer 6 is arranged on the cover plate at the top of the round cylinder unit 3, the atomizer 6 is connected with the peristaltic pump in a use state, wherein the atomizer 6 is communicated with the peristaltic pump by adopting a feeding pipeline, the feeding pipeline passes through the cover plate upwards and is fixedly welded with the cover plate so as to ensure the tightness of the joint, the atomizer 6 is used for atomizing the feed liquid pumped into the cylinder 2 by the peristaltic pump, and the structure of the atomizer 6 is not described in detail in the utility model.
One end of an air inlet pipeline 7 is communicated with the top of a round barrel unit 3, the other end of the air inlet pipeline 7 is connected with an air inlet fan (not shown in the figure), one end of the air inlet pipeline 7 connected with the air inlet fan is provided with a heater 8, air blown by the air inlet fan enters the round barrel unit 3 after being heated by the heater 8, hot air contacts atomized feed liquid and dries the feed liquid into a granular finished product, the heater 8 comprises a heater shell and an electric heating wire, wherein the electric heating wire is arranged in the heater shell, one end of the heater shell is detachably connected with the air inlet pipeline 7 by adopting a flange, the other end of the heater shell is detachably connected with an air outlet of the air inlet fan by adopting a flange, so that the heater 8 is communicated with the air inlet fan and the air inlet pipeline 7, and the electric heating wire heats air flowing through the heater shell to raise the air to the temperature required by drying the material.
The cyclone 9 of the present utility model has its upper part communicated with the bottom of the cone-shaped cylinder 2 for separating the product particles from powder in the cylinder 2 and collecting the product particles from the bottom of the cyclone 9, and the cyclone 9 is fixed on the frame 1, and the dust removing fan 10 is communicated with the top of the cyclone 9 by a dust removing pipe for removing the powder in the cyclone 9, wherein the dust removing fan 10 is detachably mounted on the lower part of the frame 1 by bolts.
The cyclone separator 9 is fixed on the frame 1, the bottom end of the conical cylinder unit 4 is communicated with the upper part of the cyclone separator 9 by adopting a discharge pipeline 12, both ends of the discharge pipeline 12 are detachably connected with the conical cylinder unit 4 and the cyclone separator 9 by adopting flanges, the top end of the cyclone separator 9 is communicated with the dust removal fan 10 by adopting an exhaust pipe, and the exhaust pipe is connected with the cyclone separator 9 and the dust removal fan 10 by adopting flanges. The utility model preferably sets two cyclone separators 9, the two cyclone separators 9 are fixed on the frame 1, the upper parts of the two cyclone separators 9 are communicated with the bottom end of the conical cylinder unit 4, wherein a discharging pipeline 12 is Y-shaped, a feeding hole of the discharging pipeline is communicated with the bottom end of the conical cylinder unit 4, the two discharging holes are respectively communicated with the upper parts of the two cyclone separators 9, the top ends of the two cyclone separators 9 are communicated with the same dust removing fan 10, an exhaust pipe is Y-shaped, the two air inlets of the exhaust pipe are respectively communicated with the top ends of the two cyclone separators 9, and the air outlets of the exhaust pipe are communicated with the dust removing fan 10, so that one dust removing fan 10 is used for removing powder in the two cyclone separators 9.
In order to improve the drying effect of the utility model, the utility model is provided with the heat distribution volute 11, the heat distribution volute 11 is arranged inside the circular cylinder unit 3 and is fixed on the cover plate, wherein the air inlet pipeline 7 is communicated with the heat distribution volute 11, and the heat distribution volute 11 is used for enabling hot air in the air inlet pipeline 7 to spirally and uniformly enter the cylinder 2 to contact with atomized feed liquid, so that moisture in the material is quickly evaporated and dried.
The utility model preferably sets the round cylinder unit 3 to comprise a round outer cylinder and a round inner cylinder, an upper heat-insulating cavity is formed between the round outer cylinder and the round inner cylinder 2, the conical cylinder unit 4 comprises a conical outer cylinder and a conical inner cylinder, a lower heat-insulating cavity is formed between the conical outer cylinder and the conical inner cylinder, wherein the bottom end of the round outer cylinder is welded and fixed with the top end of the conical outer cylinder, the bottom end of the round inner cylinder is welded and fixed with the top end of the conical inner cylinder, and the bottom end of the upper heat-insulating cavity is communicated with the top end of the lower heat-insulating cavity to form the heat-insulating cavity.
In order to facilitate the drying condition of the materials in the cylinder 1, the utility model is provided with a rectangular observation window 13, one side of the observation window 13 is rotationally connected with the round cylinder unit 3, the other side of the observation window 13 is locked with the round cylinder unit 3 in a using state, the locking structure of the observation window 13 is the prior art, for example, a locking device disclosed in Chinese patent application with application publication number of CN113828581A can be adopted, a sight glass 14 is arranged on the observation window 13, the sight glass 14 is made of transparent materials and is used for observing the drying condition of the materials in the cylinder 2, the sight glass 14 is preferably made of glass, and in order to keep the tightness of the observation window 13 and the round cylinder unit 3, a sealing sheet is arranged at the joint of the edge of the observation window 13 and the round cylinder unit 3.
All parts not specifically described in the above description are prior art or can be realized by prior art. Moreover, the embodiments of the present utility model are described in the preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Equivalent changes and modifications of the utility model are to be considered as technical scope of the present utility model.
Claims (8)
1. Spray dryer, its characterized in that: comprising
A frame;
the cylinder body consists of an upper round cylinder body unit and a lower conical cylinder body unit, the round cylinder body unit is fixed on the frame, and more than one air hammer is arranged on the conical cylinder body unit;
the atomizer is arranged at the top of the round cylinder unit, is connected with the peristaltic pump in a use state and is used for atomizing the feed liquid pumped into the cylinder by the peristaltic pump;
the air inlet pipeline is provided with one end communicated with the top of the round barrel unit, the other end of the air inlet pipeline is connected with an air inlet fan, one end of the air inlet pipeline connected with the air inlet fan is provided with a heater, air blown in by the air inlet fan enters the round barrel unit after being heated by the heater, contacts with atomized feed liquid and dries the feed liquid into a granular finished product;
the upper part of the cyclone separator is communicated with the bottom end of the conical cylinder body and is used for separating finished product particles from powder in the cylinder body and collecting the finished product particles from the bottom end of the cyclone separator;
the dust removing fan is communicated with the top of the cyclone separator by adopting a dust removing pipeline and is used for removing powder in the cyclone separator.
2. The spray dryer according to claim 1, characterized in that: the hot air inlet pipeline is communicated with the hot distribution volute and used for enabling hot air in the hot air inlet pipeline to uniformly enter the barrel body in a spiral shape to be in contact with atomized feed liquid.
3. The spray dryer according to claim 1, characterized in that: the round cylinder unit comprises a round outer cylinder and a round inner cylinder, an upper heat-preserving cavity is formed between the round outer cylinder and the round inner cylinder, the conical cylinder unit comprises a conical outer cylinder and a conical inner cylinder, a lower heat-preserving cavity is formed between the conical outer cylinder and the conical inner cylinder, the bottom end of the round outer cylinder is fixedly connected with the top end of the conical outer cylinder, the bottom end of the round inner cylinder is fixedly connected with the top end of the conical inner cylinder, and the bottom end of the upper heat-preserving cavity is communicated with the top end of the lower heat-preserving cavity.
4. The spray dryer according to claim 1, characterized in that: the cyclone separator is fixed on the frame, the bottom end of the conical cylinder body unit is communicated with the upper part of the cyclone separator by adopting a discharge pipeline, and the top end of the cyclone separator is communicated with the dust removal fan by adopting an exhaust pipe.
5. The spray dryer of claim 4, wherein: the cyclone separator is two in number, and two cyclone separators are all fixed in the frame, and the upper portion of two cyclone separators all communicates with the bottom of toper barrel unit, and the top of two utensil cyclone separators communicates with same dust removal fan.
6. The spray dryer according to claim 1, characterized in that: the heater includes heater casing and electric heater strip, and electric heater strip sets up in the heater casing, and the one end and the air inlet pipeline intercommunication of heater casing, the other end and the air inlet fan intercommunication of heater casing, electric heater strip convection heater casing's air heating.
7. The spray dryer according to claim 1, characterized in that: the novel barrel comprises a barrel body, and is characterized by further comprising an observation window, wherein one side of the observation window is rotationally connected with the circular barrel body unit, the other side of the observation window is locked with the circular barrel body unit under a use state, and a sight glass is arranged on the observation window and made of transparent materials and is used for observing the drying condition of materials in the barrel body.
8. The spray dryer of claim 7, wherein: the edge of the observation window is provided with a sealing sheet at the joint of the round cylinder unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222896677.0U CN219110846U (en) | 2022-11-01 | 2022-11-01 | Spray dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222896677.0U CN219110846U (en) | 2022-11-01 | 2022-11-01 | Spray dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219110846U true CN219110846U (en) | 2023-06-02 |
Family
ID=86521345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222896677.0U Active CN219110846U (en) | 2022-11-01 | 2022-11-01 | Spray dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219110846U (en) |
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2022
- 2022-11-01 CN CN202222896677.0U patent/CN219110846U/en active Active
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