CN220169886U - Spray drying device for preparing uniform-particle ceramic powder - Google Patents
Spray drying device for preparing uniform-particle ceramic powder Download PDFInfo
- Publication number
- CN220169886U CN220169886U CN202321638398.2U CN202321638398U CN220169886U CN 220169886 U CN220169886 U CN 220169886U CN 202321638398 U CN202321638398 U CN 202321638398U CN 220169886 U CN220169886 U CN 220169886U
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- powder
- filter screen
- drying chamber
- ceramic powder
- drying
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- 239000000843 powder Substances 0.000 title claims abstract description 49
- 239000000919 ceramic Substances 0.000 title claims abstract description 17
- 238000001694 spray drying Methods 0.000 title claims abstract description 13
- 239000002245 particle Substances 0.000 title claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 230000001174 ascending effect Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000008187 granular material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to the field of spray drying devices for preparing uniform-particle ceramic powder, in particular to a spray drying device for preparing uniform-particle ceramic powder, which aims to solve the technical problems that when the drying device in the prior art is used for drying, water vapor is easy to be wrapped with the powder and ascend together, so that powder loss or filter screen blockage is caused, a disc is rotationally connected to the axis of a drying chamber, a filter screen is circumferentially connected to the disc in a circumferential array manner, an air hole is arranged at the upper part of the drying chamber, a powder port is arranged at the lower part of the drying chamber, a knocking mechanism is arranged at the powder port and can knock a lower filter screen, an atomizer is positioned at an ascending section of the filter screen in a rotating manner, a heating element is arranged in the drying chamber, after the powder enters the drying chamber, the powder is not ascended along with the water vapor under the action of the filter screen, the bottom filter screen is knocked by the knocking mechanism, the powder adsorbed on the surface is discharged downwards, the blockage is avoided, the filter screen is enabled to rotate around a rotary shaft by a convex strip, and reset is performed under the action of a torsion spring after the filter screen is rotated, so that one knocking is completed, and other filter screens are not influenced.
Description
Technical Field
The utility model relates to the field of spray drying devices for preparing ceramic powder with uniform particles.
Background
Along with the development of society, the ceramic slurry is suitable for dry press molding or isostatic compaction in the functional ceramic production process, and is required to be formed into granular powder through spray drying, so that the ceramic slurry has better fluidity, certain strength of granules, no crushing in the transportation and feeding processes, certain granule grading, tight accumulation during feeding, certain bonding property and lubricating property, no mutual bonding among the granules and other granulating properties. Spray drying is a method of applying systematic technology to material drying, in the drying chamber, after atomizing the thin material, in contact with hot air, the moisture is vaporized rapidly, get the dry product;
when the drying device in the prior art is used for drying, the water vapor is extremely easy to wrap and clamp powder and rise together, so that the powder is lost or a filter screen is blocked.
Disclosure of Invention
The utility model aims to solve the technical problems that the water vapor is easy to be wrapped with powder and rises together when the drying device in the prior art is used for drying, so that powder loss or filter screen blockage is caused, and further provides a spray drying device for preparing uniform-particle ceramic powder.
A spray drying apparatus for preparing a ceramic powder having uniform particles comprising: the material injection port, the material injection port lower extreme intercommunication has the atomizer, and the atomizer can spray ceramic powder atomizing to the drying chamber in, and the drying chamber is the cylinder, and the drying chamber axle center rotates to be connected with the disc, and disc circumferencial direction circumference array connection has the filter screen, and drying chamber upper portion is equipped with the gas pocket, and the drying chamber lower part is equipped with the powder mouth, and powder mouth department is equipped with and beats the mechanism, can beat lower part filter screen, and the atomizer is located the rotatory rising section of filter screen, is equipped with heating element in the drying chamber.
Further, the circumference array is equipped with the recess on the disc, is connected with the bearing frame in the recess, and the bearing frame internal rotation is connected with the pivot, and pivot external connection has torsion spring, and torsion spring both ends contact with the recess, and the pivot both ends are connected with the support, and the support internal surface is connected with the filter screen.
Further, the knocking mechanism is a plurality of raised strips connected with the inner wall of the drying chamber in the powder mouth, and the top ends of the raised strips are positioned in the rotating coverage range of the bracket.
The utility model has the beneficial effects that:
1. after powder enters the drying chamber, the powder cannot rise along with water vapor under the action of the filter screen, the filter screen rotates to set the powder to stay in the drying chamber for a long time and keep moving, drying is fully completed, the bottom filter screen is knocked by the knocking mechanism, and the powder adsorbed on the surface is knocked down and discharged, so that the powder cannot be blocked;
2. the convex strips enable the filter screen to rotate around the rotating shaft, the filter screen is reset under the action of the torsion spring after rotating, one-time knocking is completed, and other filter screens are not affected.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the structure of the present utility model;
FIG. 3 is an enlarged schematic view A of the structure of the present utility model;
fig. 4 is a schematic diagram of a second embodiment of the present utility model.
In the figure: a material injection port 1; an atomizer 2; a drying chamber 3; a disc 4; a filter screen 5; an air hole 6; a powder port 7; a groove 8; a bearing seat 9; a rotating shaft 10; a torsion spring 11; a bracket 12; and a convex strip 13.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The rotating connection in the device means that the bearing is baked on the shaft, a spring retainer ring groove is arranged on the shaft or the shaft hole, and the axial fixation of the bearing is realized by clamping the spring retainer ring in the retainer ring groove, so that the rotation is realized; the hinge is a movable connection mode on the connecting parts such as the hinge, the pin shaft, the short shaft and the like.
The present utility model will be described in detail below with reference to the accompanying drawings.
Embodiment one:
a spray drying apparatus for preparing a uniform-particle ceramic powder according to this embodiment is described below with reference to fig. 1 to 4, comprising: the lower ends of the material injection port 1 and the material injection port 1 are communicated with an atomizer 2, the atomizer 2 can atomize and spray ceramic powder into a drying chamber 3, the drying chamber 3 is cylindrical, a disc 4 is rotationally connected with the axis of the drying chamber 3, a filter screen 5 is circumferentially and circumferentially connected with the disc 4, an air hole 6 is formed in the upper part of the drying chamber 3, a powder port 7 is formed in the lower part of the drying chamber 3, a knocking mechanism is arranged at the powder port 7 and can knock the filter screen 5 at the lower part, the atomizer 2 is positioned at a rotary ascending section of the filter screen 5, and a heating element is arranged in the drying chamber 3;
powder is injected into the drying chamber 3 through the material injection port 1, the power of the disc 4 is started, the disc 4 drives the filter screen 5 to rotate, the atomized powder enters between two adjacent filter screens 5 and flows on the filter screens 5 along with the movement of the filter screens 5 due to the fact that the atomizer 2 is positioned at the ascending section of the rotation of the filter screens 5, the powder between the adjacent filter screens 5 is dried and is discharged through the air holes 6 under the action of the heating element, the powder cannot be wrapped and clamped, the powder enters the powder port 7 to be discharged under the driving of the filter screens 5, and the powder adhered to the filter screens 5 is knocked down under the action of the knocking mechanism and is discharged through the powder port 7.
The circular disc 4 is provided with a groove 8 in a circumferential array, a bearing seat 9 is connected in the groove 8, a rotating shaft 10 is rotationally connected in the bearing seat 9, a torsion spring 11 is connected outside the rotating shaft 10, two ends of the torsion spring 11 are contacted with the groove 8, two ends of the rotating shaft 10 are connected with a bracket 12, and the inner surface of the bracket 12 is connected with a filter screen 5;
when the filter screen 5 is knocked, the support 12 drives the rotating shaft 10 to rotate in the bearing seat 9, so that the vibration of the single filter screen 5 does not affect the rest filter screens 5, and the vibration amplitude of the filter screen 5 is larger.
The knocking mechanism is a plurality of raised strips 13 connected with the inner wall of the drying chamber 3 in the powder port 7, and the top ends of the raised strips 13 are positioned in the rotation coverage range of the bracket 12;
the filter screen 5 is located the scope that three sections support 12 encloses with pivot 10 and closes, and when support 12 contacted with sand grip 13, because sand grip 13 top is located the rotation coverage of support 12, sand grip 13 stir the support, and the support is reset under torsion spring 11's effect after crossing sand grip 13, so reciprocates, accomplishes filter screen 5 vibrations.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (3)
1. A spray drying apparatus for preparing a ceramic powder having uniform particles comprising: the material injection opening (1) and the lower end of the material injection opening (1) are communicated with an atomizer (2), the atomizer (2) can spray ceramic powder into the drying chamber (3),
the method is characterized in that: the drying chamber (3) is cylindrical, the axis of the drying chamber (3) is rotationally connected with the disc (4), the circumferential array of the disc (4) is connected with the filter screen (5), the upper portion of the drying chamber (3) is provided with the air hole (6), the lower portion of the drying chamber (3) is provided with the powder port (7), the powder port (7) is provided with the knocking mechanism, the lower filter screen (5) can be knocked, the atomizer (2) is located the ascending section of the rotation of the filter screen (5), and the drying chamber (3) is internally provided with the heating element.
2. A spray drying apparatus for preparing uniform particulate ceramic powder according to claim 1, wherein: the circular disc (4) is provided with grooves (8) in a circumferential array, bearing seats (9) are connected in the grooves (8), rotating shafts (10) are connected in the bearing seats (9) in a rotating mode, torsion springs (11) are connected to the outer portions of the rotating shafts (10), two ends of each torsion spring (11) are in contact with the grooves (8), supports (12) are connected to the two ends of each rotating shaft (10), and filter screens (5) are connected to the inner surfaces of the supports (12).
3. A spray drying apparatus for preparing uniform particulate ceramic powder according to claim 2, wherein: the knocking mechanism is a plurality of raised strips (13) connected with the inner wall of the drying chamber (3) in the powder port (7), and the top ends of the raised strips (13) are positioned within the rotation coverage range of the bracket (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321638398.2U CN220169886U (en) | 2023-06-27 | 2023-06-27 | Spray drying device for preparing uniform-particle ceramic powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321638398.2U CN220169886U (en) | 2023-06-27 | 2023-06-27 | Spray drying device for preparing uniform-particle ceramic powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220169886U true CN220169886U (en) | 2023-12-12 |
Family
ID=89059642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321638398.2U Active CN220169886U (en) | 2023-06-27 | 2023-06-27 | Spray drying device for preparing uniform-particle ceramic powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220169886U (en) |
-
2023
- 2023-06-27 CN CN202321638398.2U patent/CN220169886U/en active Active
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