CN218774311U - Centrifugal spray drier - Google Patents
Centrifugal spray drier Download PDFInfo
- Publication number
- CN218774311U CN218774311U CN202222922961.0U CN202222922961U CN218774311U CN 218774311 U CN218774311 U CN 218774311U CN 202222922961 U CN202222922961 U CN 202222922961U CN 218774311 U CN218774311 U CN 218774311U
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- China
- Prior art keywords
- air
- hot air
- secondary hot
- shell
- cylinder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000007921 spray Substances 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 10
- 239000004744 fabric Substances 0.000 abstract description 6
- 238000007602 hot air drying Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 description 4
- 229920002674 hyaluronan Polymers 0.000 description 4
- 229960003160 hyaluronic acid Drugs 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001694 spray drying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000006072 paste Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a centrifugal spray drier, it sets up secondary hot air device on current spray drier's basis, and secondary hot air device sets up with original air distributor relatively, makes the material that enters into in the equipment can carry out secondary hot air drying and handle, sets up the screen cloth simultaneously around secondary hot air device, and the material that supplies not thorough drying on the one hand adheres to, and on the other hand produces the collision breakage when the material collides the screen cloth, increases its percentage of damage.
Description
Technical Field
The utility model relates to the drying technology field is centrifugal spray drier particularly.
Background
Spray drying is the most widely used process in the liquid process shaping and drying industries. Most suitable for the production of powdery, granular solid products from liquid raw materials in solution, emulsion, suspension and paste form. Spray drying is therefore a highly desirable process when the particle size distribution, residual moisture content, bulk density and particle shape of the finished product must meet precise criteria. The working principle of the dryer is that air passes through a filter and a heater, enters the dryer in a spiral shape through an air distributor at the top of the dryer, simultaneously, feed liquid enters a centrifugal atomizer at the top of the dryer, so that the feed liquid forms mist-shaped liquid drops, the feed liquid and hot air are in parallel flow contact, moisture is rapidly evaporated, the feed liquid and the hot air are dried into a finished product in a very short time, and the finished product is discharged from the bottom of the dryer.
Hyaluronic acid is hyaluronic acid which is called as the traditional meaning, the hyaluronic acid also needs to be applied to a centrifugal spray dryer in the production process, the hyaluronic acid has high drying requirement, crushing and screening are not needed after drying is required, the production process is reduced, and the purity of the product is improved.
Disclosure of Invention
The utility model discloses a centrifugal spray drier, it sets up secondary hot air device on current spray drier's basis, and secondary hot air device sets up with original air distributor relatively, makes the material that enters into in the equipment can carry out secondary hot air drying and handle, sets up the screen cloth simultaneously around secondary hot air device, and the material that supplies not thorough drying on the one hand adheres to, and on the other hand produces the collision breakage when the material collides the screen cloth, increases its percentage of damage.
The utility model discloses realize above-mentioned purpose and adopt following technical scheme:
the centrifugal spray drier comprises a shell, a hot air blower and a liquid storage bin; the center of the top of the shell is provided with an air distributor and a centrifugal atomizer, the hot air blower is connected to the air distributor through a pipeline, the liquid bin is communicated to the upper part of the centrifugal atomizer through a pipeline, the lower half part of the shell is of a conical structure, and the bottom of the shell is provided with a material collecting bin; a secondary hot air device is arranged at the bottom in the shell and is connected to the air heater through a pipeline; the secondary hot air device corresponds to an air distributor and a centrifugal atomizer which are arranged at the center of the top of the shell.
A secondary hot air cylinder is arranged in the shell and is of a cylindrical structure with a conical lower half part; the bottom of the secondary hot air cylinder is provided with the secondary hot air device; a gap is reserved between the top of the secondary hot air cylinder and the top of the shell, and the gap between the secondary hot air cylinder and the shell is communicated with a material collecting bin at the bottom of the shell.
A screen is arranged in the secondary hot air cylinder and corresponds to the straight cylinder part of the upper half part of the secondary hot air cylinder; the top of the screen is provided with an outward-expanded arc-shaped air deflector; the bottom of the screen is supported to the conical structure at the lower half part of the secondary hot air cylinder, and a plurality of air guide holes which are uniformly distributed are also arranged at the bottom of the screen.
The secondary hot air device comprises a wind-collecting cover and an air-guiding cone arranged above the wind-collecting cover.
The air collecting cover is of a conical structure and is combined with the conical part at the bottom of the secondary hot air cylinder to form a complete conical cylinder when being arranged at the bottom of the secondary hot air cylinder; the air collecting cover is communicated to the air heater through a pipeline.
The air guide cone is of an inverted conical structure, a plurality of uniformly distributed spiral air channels are arranged in the air guide cone, and the spiral air channels are communicated with the air collecting cover.
The spiral air duct is vertically provided with two layers, the spiral air duct at the lower layer is tightly attached to the upper part of the air collecting cover, and the spiral air duct at the lower layer downwards penetrates to the bottom surface of the air guide cone; the center of the air guide cone is provided with an upward sunken slotted hole, and the spiral air duct on the upper layer extends downwards to the upper top surface of the slotted hole.
The utility model adopts the above technical scheme following beneficial effect has:
the device is provided with the secondary hot air device at the bottom in the shell, and secondary hot air drying is added on the basis of original primary hot air drying, so that a better drying effect is achieved; simultaneously, the screen cloth that inside set up can make not thorough dry material on the one hand adhere, can reach the broken effect of collision when the material collides to the screen cloth simultaneously.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a schematic diagram of a secondary hot air cylinder and a secondary hot air device.
Fig. 3 is a cross-sectional view of fig. 2.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The centrifugal spray dryer shown in fig. 1-3 comprises a shell 1, a hot air blower 2 and a liquid bin 3; an air distributor 4 and a centrifugal atomizer 5 are arranged at the center of the top of the shell 1, the hot air blower 2 is connected to the air distributor 4 through a pipeline, the liquid storage bin 3 is communicated to the upper part of the centrifugal atomizer 5 through a pipeline, the lower half part of the shell 1 is of a conical structure, and a material collecting bin 6 is arranged at the bottom of the shell 1; a secondary hot air device 7 is arranged at the bottom in the shell 1, and the secondary hot air device 7 is connected to the air heater 2 through a pipeline; the secondary hot air device 7 corresponds to the air distributor 4 and the centrifugal atomizer 5 which are arranged at the center of the top of the shell 1.
A secondary hot air cylinder 8 is arranged in the shell 1, and the lower half part of the secondary hot air cylinder 8 is of a conical tubular structure; the bottom of the secondary hot air cylinder 8 is provided with the secondary hot air device 7; a gap is reserved between the top of the secondary hot air cylinder 8 and the top of the shell 1, and the gap between the secondary hot air cylinder 8 and the shell 1 is communicated with the material collecting bin 6 at the bottom of the shell 1.
A screen 801 is arranged in the secondary hot air cylinder 8, and the screen 801 corresponds to the straight cylinder part at the upper half part of the secondary hot air cylinder 8; the top of the screen 801 is provided with an outward-expanding arc-shaped air deflector 802; the bottom of the screen 801 is supported on the conical structure at the lower half part of the secondary hot air cylinder 8, and a plurality of air guide holes 803 which are uniformly distributed are also arranged at the bottom of the screen 801.
The secondary hot air device 7 comprises a wind collecting cover 701 and an air guiding cone 702 arranged above the wind collecting cover 701.
The wind collecting cover 701 is of a conical structure, and when the wind collecting cover 701 is installed at the bottom of the secondary hot air cylinder 8, the wind collecting cover is combined with the conical part at the bottom of the secondary hot air cylinder 8 to form a complete conical cylinder; the air collecting hood 701 is communicated to the hot air blower 2 through a pipeline.
The air guiding cone 702 is of an inverted conical structure, a plurality of uniformly distributed spiral air channels 703 are arranged in the air guiding cone 702, and the spiral air channels 703 are communicated with the air collecting cover 701.
The spiral air duct 703 is vertically provided with two layers, the spiral air duct 703 at the lower layer is tightly attached to the upper part of the air collecting cover 701, and the spiral air duct 703 at the lower layer downwards penetrates to the bottom surface of the air guiding cone 702; the center of the air guiding cone 702 is provided with an upward concave slot 704, and the upper layer of the spiral air duct 703 extends downward to the upper top surface of the slot 704.
This device is at the in-process that uses, and liquid material carries out primary drying under the effect of the hot-blast that air distributor sent into in the centrifugal atomizer entering casing at top, and along with the drying of material, it produces the dead weight whereabouts, and the in-process of whereabouts carries out secondary drying by the secondary hot air device of bottom.
The materials rotate in the shell, the incompletely dried materials can adhere to the screen due to the moisture contained in the materials, and the materials are dried by spiral air sent out by the spiral air duct at the upper half part of the secondary air inlet device; simultaneously, the air distributor at the top and the spiral air duct at the bottom blow the material particles in the middle simultaneously to make the material particles impact on the screen, the original incompletely dried material on the screen can pass through the screen to enter the space between the screen and the secondary hot air cylinder after being dried, the spiral air duct at the lower layer of the air guide cone blows air along the wall of the secondary air cylinder, and the material in the space is blown upwards to the air deflector to enter the gap between the secondary air cylinder and the shell and fall to the material collecting bin at the bottom.
The material is blown between the screens and impacts the screens, dried material particles impact the screens to be crushed and are blown off after passing through the screens, incompletely dried material impacts the screens to be collided and adhered, certain crushing is generated in the process, and the incompletely dried material can be adhered to the screens due to the fact that the incompletely dried material still contains moisture; when the subsequent materials impact the screen, the materials adhered to the screen can be impacted, if the adhered materials are dried completely, the materials can be vibrated and crushed under the impact action and blow out through the screen.
The above is one embodiment of the present invention, and the present invention is not limited to the embodiment, and the specific protection scope of the present invention is subject to the content described in the claims.
Claims (7)
1. The centrifugal spray drier comprises a shell, a hot air blower and a liquid storage bin; casing top center department is equipped with air distributor and centrifugal atomizer, the air heater pass through the tube coupling to air distributor, the liquid feed bin communicates to centrifugal atomizer top through the pipeline, the casing lower half be the toper structure, the casing bottom is equipped with the aggregate storehouse, its characterized in that: a secondary hot air device is arranged at the bottom in the shell and is connected to the air heater through a pipeline; the secondary hot air device corresponds to an air distributor and a centrifugal atomizer which are arranged at the center of the top of the shell.
2. The centrifugal spray dryer of claim 1, wherein: a secondary hot air cylinder is arranged in the shell and is of a cylindrical structure with a conical lower half part; the bottom of the secondary hot air cylinder is provided with the secondary hot air device; a gap is reserved between the top of the secondary hot air cylinder and the top of the shell, and the gap between the secondary hot air cylinder and the shell is communicated with a material collecting bin at the bottom of the shell.
3. The centrifugal spray dryer of claim 2, wherein: a screen is arranged in the secondary hot air cylinder and corresponds to the straight cylinder part at the upper half part of the secondary hot air cylinder; the top of the screen is provided with an outward-expanding arc-shaped air deflector; the bottom of the screen is supported on a conical structure at the lower half part of the secondary hot air cylinder, and a plurality of air guide holes which are uniformly distributed are also arranged at the bottom of the screen.
4. A centrifugal spray dryer according to claim 3, wherein: the secondary hot air device comprises an air collecting cover and an air guide cone arranged above the air collecting cover.
5. The centrifugal spray dryer of claim 4, wherein: the air collecting cover is of a conical structure and is combined with the conical part at the bottom of the secondary hot air cylinder to form a complete conical cylinder when being arranged at the bottom of the secondary hot air cylinder; the air collecting cover is communicated to the air heater through a pipeline.
6. The centrifugal spray dryer of claim 5, wherein: the air guide cone is of an inverted conical structure, a plurality of uniformly distributed spiral air channels are arranged in the air guide cone, and the spiral air channels are communicated with the air collecting cover.
7. The centrifugal spray dryer of claim 6, wherein: the spiral air duct is vertically provided with two layers, the spiral air duct at the lower layer is tightly attached to the upper part of the air collecting cover, and the spiral air duct at the lower layer downwards penetrates to the bottom surface of the air guide cone; the center of the air guide cone is provided with an upward sunken slotted hole, and the spiral air duct on the upper layer extends downwards to the upper top surface of the slotted hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222922961.0U CN218774311U (en) | 2022-11-03 | 2022-11-03 | Centrifugal spray drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222922961.0U CN218774311U (en) | 2022-11-03 | 2022-11-03 | Centrifugal spray drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218774311U true CN218774311U (en) | 2023-03-31 |
Family
ID=85709835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222922961.0U Expired - Fee Related CN218774311U (en) | 2022-11-03 | 2022-11-03 | Centrifugal spray drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218774311U (en) |
-
2022
- 2022-11-03 CN CN202222922961.0U patent/CN218774311U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230331 |