CN210993036U - Spray drying cooling and separating device - Google Patents
Spray drying cooling and separating device Download PDFInfo
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- CN210993036U CN210993036U CN201921223952.4U CN201921223952U CN210993036U CN 210993036 U CN210993036 U CN 210993036U CN 201921223952 U CN201921223952 U CN 201921223952U CN 210993036 U CN210993036 U CN 210993036U
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Abstract
The utility model relates to a spray drying cooling separation device, a serial communication port, including spray dryer (1), first cyclone (2) of connecting spray dryer (1) discharge gate to and connect exhaust fan (9) of first cyclone (2) gas outlet, first cyclone (2) discharge gate is connected with second cyclone (3) and air-cooled subassembly. Compared with the prior art, the utility model can rapidly cool the powder, and effectively avoid the problem of hot melting and caking of the powder; the filling and packaging equipment can be directly connected with the discharge port, filling is not required to be carried out after the powder is naturally cooled, and the moisture absorption and agglomeration phenomena of the powder caused by the ambient humidity are reduced.
Description
Technical Field
The utility model relates to a gas-solid separation collection device especially relates to a spray drying cooling and separating device.
Background
At present, spray drying equipment generally collects powder through a cyclone separator, as shown in fig. 1, the powder is separated and collected in the cyclone separator along with air outlet, the temperature of the air outlet is generally 70-90 ℃, the temperature of the powder is approximately equivalent to that of the air outlet, and for materials with low softening point and strong hygroscopicity, when a general spray dryer is used for drying, maltose-shaped sticky walls often appear in a drying chamber wall and a material collecting barrel below the cyclone separator, and sometimes dry powder cannot be collected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a spray drying cooling and separating device for overcoming the defects of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a spray drying cooling and separating device, includes spray dryer, connects the first cyclone of spray dryer discharge gate to and connect the exhaust fan of first cyclone gas outlet, first cyclone discharge gate is connected with second cyclone and air-cooled subassembly.
Furthermore, a discharge hole of the first cyclone separator is connected with a vortex valve, and an inlet of the vortex valve is respectively connected with an air outlet of the air cooling assembly and a discharge hole of the first cyclone separator.
Furthermore, the air cooling assembly comprises a refrigeration dehumidifier, an electric heater and a filter which are sequentially arranged along the air flowing direction, and an air outlet of the filter is connected with a discharge hole of the first cyclone separator.
Further, the air temperature at the outlet of the electric heater is 20-30 ℃.
Further, the air outlet of the second cyclone separator is connected with an exhaust fan.
Furthermore, bag filters for filtering powder are arranged between the first cyclone separator and the exhaust fan, and between the second cyclone separator and the exhaust fan.
Furthermore, the discharge port of the second cyclone separator is connected with the receiving barrel.
Further, the discharge port of the second cyclone separator is connected with filling equipment.
The working process of the device is as follows:
powder to be dried enters a first cyclone separator from a discharge port after spray drying, the powder enters a vortex valve from a discharge port at the bottom end after being separated by the first cyclone separator, gas is discharged from a gas outlet at the top through a bag filter and an exhaust fan, the air enters a freeze dehumidifier for dewatering and drying, is heated to 20-30 ℃ by an electric heater, impurities are filtered by a filter, the air is mixed with the powder at the discharge port of the first cyclone separator and enters a second cyclone separator for secondary separation, the powder after secondary separation directly enters a material receiving barrel or filling equipment for filling, and the gas outlet at the top of the second cyclone separator discharges the air through the bag filter and the exhaust fan.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the powder can be rapidly cooled, and the problem of hot melt caking of the powder is effectively avoided.
2. The filling and packaging equipment can be directly connected with the discharge port, filling is not required to be carried out after the powder is naturally cooled, and the moisture absorption and agglomeration phenomena of the powder caused by the ambient humidity are reduced.
Drawings
FIG. 1 is a schematic diagram of a conventional spray drying cyclone apparatus;
fig. 2 is a schematic structural view of the cooling cyclone separation device for a spray dryer of the present invention.
The reference numbers in the figures indicate:
1. the device comprises a spray dryer, 2, a first cyclone separator, 3, a second cyclone separator, 4, a refrigeration dehumidifier, 5, an electric heater, 6, a filter, 8, a bag filter, 9 and an exhaust fan.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Examples
A spray drying cooling separation device is shown in figure 2 and comprises a spray dryer 1, a first cyclone separator 2 connected with a discharge port of the spray dryer 1, and an exhaust fan 9 connected with an air outlet of the first cyclone separator 2, wherein the discharge port of the first cyclone separator 2 is connected with a second cyclone separator 3 and an air cooling assembly. The air cooling assembly comprises a refrigeration dehumidifier 4, an electric heater 5 and a filter 6 which are sequentially arranged along the air flowing direction. The discharge hole of the first cyclone separator 2 is connected with a vortex valve, and the inlet of the vortex valve is respectively connected with the air outlet of the filter 6 and the discharge hole of the first cyclone separator 2. The air temperature at the outlet of the electric heater 5 is 20-30 ℃. The air outlet of the second cyclone separator 3 is connected with an exhaust fan 9. A bag filter 8 for filtering powder is arranged between the first cyclone separator 2, the second cyclone separator 3 and the exhaust fan 9. The discharge port of the second cyclone separator 3 is connected with a receiving barrel or filling equipment.
The working process of the device is as follows:
powder to be dried enters a first cyclone separator 2 from a discharge port after spray drying, is separated by the first cyclone separator 2, the temperature of the powder is 70-90 ℃, the powder enters a vortex valve from a discharge port at the bottom end, gas is discharged from a gas outlet at the top through a bag filter 8 and an exhaust fan 9, the air enters a refrigeration dehumidifier 4 for dehydration and drying, is heated to 20-30 ℃ through an electric heater 5, impurities are filtered out through a filter 6, the air and the powder at the discharge port of the first cyclone separator 2 are mixed and enter a second cyclone separator 3 for secondary separation, the powder after the secondary separation can be cooled to 30-40 ℃, and directly enters a material receiving barrel or filling equipment for filling, and the gas outlet at the top of the second cyclone separator 3 discharges the air through the bag filter 8 and the exhaust fan 9.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (9)
1. The spray drying cooling separation device is characterized by comprising a spray dryer (1), a first cyclone separator (2) connected with a discharge hole of the spray dryer (1) and an exhaust fan (9) connected with an air outlet of the first cyclone separator (2), wherein the discharge hole of the first cyclone separator (2) is connected with a second cyclone separator (3) and an air cooling assembly.
2. A spray drying cooling separation device according to claim 1, characterized in that the outlet of the first cyclone separator (2) is connected with a vortex valve, and the inlet of the vortex valve is respectively connected with the air outlet of the air cooling assembly and the outlet of the first cyclone separator (2).
3. A spray drying cooling separation device according to claim 1, characterized in that the air cooling assembly comprises a refrigeration dehumidifier (4), an electric heater (5) and a filter (6) which are arranged in sequence along the air flow direction.
4. A spray drying cold separator according to claim 3, wherein the air temperature at the outlet of the electric heater (5) is 20-30 ℃.
5. A spray drying cold separator according to claim 3, wherein the outlet of the filter (6) is connected to the outlet of the first cyclone (2).
6. A spray drying cold separator according to claim 1, wherein the outlet of the second cyclone (3) is connected to an exhaust fan (9).
7. A spray drying cold separator according to claim 1, characterised in that a bag filter (8) for filtering powder is arranged between the first cyclone (2) and the second cyclone (3) and the exhaust fan (9).
8. A spray drying cold separator according to claim 1, wherein the outlet of the second cyclone (3) is connected to a receiving vessel.
9. A spray drying cold separator according to claim 1, wherein the outlet of the second cyclone (3) is connected to a filling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921223952.4U CN210993036U (en) | 2019-07-31 | 2019-07-31 | Spray drying cooling and separating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921223952.4U CN210993036U (en) | 2019-07-31 | 2019-07-31 | Spray drying cooling and separating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210993036U true CN210993036U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921223952.4U Active CN210993036U (en) | 2019-07-31 | 2019-07-31 | Spray drying cooling and separating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210993036U (en) |
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2019
- 2019-07-31 CN CN201921223952.4U patent/CN210993036U/en active Active
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