CN221483997U - Hot air drying and conveying equipment - Google Patents
Hot air drying and conveying equipment Download PDFInfo
- Publication number
- CN221483997U CN221483997U CN202323599259.6U CN202323599259U CN221483997U CN 221483997 U CN221483997 U CN 221483997U CN 202323599259 U CN202323599259 U CN 202323599259U CN 221483997 U CN221483997 U CN 221483997U
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- China
- Prior art keywords
- crushing
- rotating roller
- hot air
- powder
- feeding
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- 238000007602 hot air drying Methods 0.000 title claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 53
- 239000000463 material Substances 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000007605 air drying Methods 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000001035 drying Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 229940124531 pharmaceutical excipient Drugs 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to the technical field of powder conveying devices, and particularly discloses hot air drying and conveying equipment which comprises: the feeding cylinder is used for feeding powder; the first rotating roller and the second rotating roller which are arranged in parallel are rotatably arranged in the feeding cylinder; the first crushing component and the second crushing component are annular and are respectively arranged on the first rotating roller and the second rotating roller; along the axial direction of the first rotating roller, a plurality of first crushing components and a plurality of second crushing components are arranged in a staggered manner; the driving part drives the first crushing part and the second crushing part to crush and crush the bulk powder; the feeding component is provided with a feeding channel which is communicated with the feeding cylinder and is used for receiving powder; and the hot air assembly is used for providing hot air for the feeding channel. The bulk powder can be extruded and crushed, so that the efficiency of subsequent air drying of the powder is improved; the line-to-line contact between the first crushing member and the second crushing member reduces powder residue on the first crushing member and the second crushing member after extrusion.
Description
Technical Field
The utility model relates to the technical field of powder conveying devices, in particular to hot air drying conveying equipment.
Background
In the production of pharmaceutical excipients, a large amount of powder raw materials are often required, but the powder stored for a long time is easy to be wetted.
In chinese patent CN208026014U, a powder hot air drying and conveying device is provided, which comprises a suction bin, a cyclone separator and a Roots blower, wherein an air delivery pipe is arranged between the suction bin and the bin, the air delivery pipe is in an upward shape, the bin 5 is connected with the cyclone separator through a pipeline, and the cyclone separator is provided with a discharge pipe; the feed opening of the suction bin is provided with a relevant air feeder which is in butt joint with the inlet of an air supply pipeline, and the Roots blower is provided with two air outlet pipes: the first air outlet pipe is connected to the top of the suction bin, the second air outlet pipe is connected to the inlet of the air supply pipe, and a heating sleeve is sleeved outside the second air outlet pipe. The powder stored in the suction bin enters the air-off feeding machine under the effect of blowing of the first air outlet pipe, the air-off feeding machine continuously feeds the material into the inlet of the air supply pipeline, the hot air sent from the second air outlet pipe continuously blows the material at the inlet of the air supply pipeline into the air supply pipeline, the material enters the bin for sedimentation, and the material enters the cyclone separator for further drying.
However, after the powder is wetted, the powder is easy to agglomerate, in the above technical scheme, only the powder is dried by blowing hot air, the agglomerated powder is not crushed, the drying effect on the agglomerated powder is not ideal, and the drying and conveying efficiency of the powder is low.
Disclosure of utility model
In view of the above problems, the utility model provides a hot air drying and conveying device, which aims to crush damp agglomerated powder and improve the powder drying efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
Provided is a hot air drying and conveying device, comprising: a feeding cylinder for feeding powder; the first rotating roller and the second rotating roller are arranged in parallel and are rotatably arranged in the feeding cylinder; the first crushing component and the second crushing component are in a ring shape and are respectively arranged on the first rotating roller and the second rotating roller; along the axial direction of the first rotating roller, a plurality of first crushing components and a plurality of second crushing components are arranged in a staggered manner; the driving part is used for driving the first rotating roller and the second rotating roller to rotate so as to drive the first crushing part and the second crushing part to crush and crush the bulk powder; the feeding component is provided with a feeding channel which is communicated with the feeding cylinder and is used for receiving powder; and the hot air assembly is used for providing hot air for the feeding channel.
Further, the device also comprises two symmetrically installed guide plates which are arranged in the feeding cylinder and used for guiding powder to be conveyed between the first crushing part and the second crushing part.
Further, the gap distance between two adjacent first crushing members/two adjacent second crushing members is L1, the gap distance between the first crushing members and the second rotating roller is L2, the gap distance between the second crushing members and the first rotating roller is L3, and L1 > l2=l3.
Further, the device further comprises a scraping plate, a plurality of tooth grooves are formed in the scraping plate, tooth top portions of the tooth grooves are in butt joint with the first rotating roller/the second rotating roller, and tooth root portions of the tooth grooves are used for being in butt joint with the first crushing component/the second crushing component.
Further, the hot air assembly includes: the fan is used for providing flowing wind into the feeding channel; and the resistance wire is connected with a power supply and is used for heating flowing wind.
Further, the apparatus further comprises: the heat preservation layer is made of heat preservation materials and wraps the feeding part.
The beneficial effects of the utility model are as follows: the driving part drives the first rotating roller and the second rotating roller to rotate in opposite directions, so that shearing force can be provided for the bulk powder, the bulk powder is extruded and crushed, the efficiency of subsequent air drying of the powder is improved, and the drying and conveying efficiency of the powder is improved; and the first crushing part and the second crushing part are annular, and the line-to-line contact between the first crushing part and the second crushing part reduces powder residues on the first crushing part and the second crushing part after extrusion.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the device provided by the application.
Fig. 2 is a schematic installation view of a first roller and a second roller according to the present application.
Fig. 3 is an enlarged partial schematic view of the portion a in fig. 1.
Fig. 4 is a top view of a screed provided by the present application.
Wherein, 1, a feeding cylinder; 21. a first rotating roller; 22. a second roller; 31. a first crushing member; 32. a second crushing member; 4. a driving part; 5. a material guide plate; 6. a scraper; 61. a tooth top; 62. tooth root; 71. a blower; 72. a resistance wire; 81. a feeding member; 82. a feed channel; 83. and a heat preservation layer.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, an embodiment of the present application discloses a hot air drying and conveying apparatus, comprising: a feeding cylinder 1 for feeding powder; a first rotary roller 21 and a second rotary roller 22 which are arranged in parallel are rotatably arranged in the feeding cylinder 1; the first crushing member 31 and the second crushing member 32 are provided on the first roller 21 and the second roller 22, respectively, in a ring shape; along the axial direction of the first rotating roller 21, a plurality of first crushing members 31 and a plurality of second crushing members 32 are staggered; a driving part 4 for driving the first and second rotating rollers 21 and 22 to rotate, so as to drive the first and second crushing parts 31 and 32 to crush the crushed bulk powder; a feeding part 81 provided with a feeding channel 82 communicated with the feeding cylinder 1 and used for receiving powder; and a hot air assembly for providing hot air into the feed channel 82.
In specific work, powder is put into the feeding barrel 1, the non-agglomerated powder passes through the first crushing part 31 and the second crushing part 32 and falls into the feeding channel 82, and the agglomerated powder is intercepted by the first crushing part 31 and the second crushing part 32 when wetted; the first rotating roller 21 and the second rotating roller 22 are driven by the driving part 4 to rotate towards opposite directions, and can provide shearing force for the bulk powder, so that the bulk powder is extruded and crushed, the efficiency of subsequent air drying of the powder is improved, and the drying and conveying efficiency of the powder is improved.
Specifically, the hot air assembly includes: a fan 71 for supplying flowing wind into the feeding passage 82; a resistance wire 72 connected to a power source for heating the flowing wind; the hot air component is used for continuously supplying hot air into the air supply channel, so that the powder is continuously air-dried.
In the present utility model, the first crushing member 31 and the second crushing member 32 are annular, and the line-to-line contact between the first crushing member 31 and the second crushing member 32 reduces powder residue on the first crushing member 31 and the second crushing member 32 after extrusion.
Further, the gap distance between the adjacent two first crushing members 31/the adjacent two second crushing members 32 is L1, the gap distance between the first crushing member 31 and the second roller 22 is L2, the gap distance between the second crushing member 32 and the first roller 21 is L3, and L1 > l2=l3.
In specific operation, bulk powder with the size larger than L1 is intercepted by the first crushing part 31 and the second crushing part 32, and is crushed by the first crushing part 31 and the second crushing part 32; the bulk powder having a size smaller than L1 but larger than L2 is crushed by the first crushing member 31 and the second roller 22; the dough-like powder having a size smaller than L1 but larger than L3 is crushed by the second crushing member 32 and the first rotating roller 21.
By using the utility model, crushing work can be carried out on the bulk powder with different sizes, the thoroughly of crushing the bulk powder is increased, and the subsequent air drying efficiency of the powder is improved.
Referring to fig. 3 and 4, the apparatus further includes a scraper 6, a plurality of tooth grooves are formed in the scraper 6, tooth tops 61 of the tooth grooves are in contact with the first roller 21/the second roller 22, and tooth roots 62 of the tooth grooves are in contact with the first crushing member 31/the second crushing member 32.
The provision of the scraper 6 makes it possible to perform cleaning work on the powder remaining on the first roller 21, the second roller 22, the first crushing member 31, and the second crushing member 32.
Further, the device also comprises two symmetrically installed guide plates 5 which are arranged in the feeding cylinder 1 and used for guiding powder to be conveyed between the first crushing part 31 and the second crushing part 32, so that the extrusion crushing efficiency is ensured.
Specifically, the driving component 4 selects a servo motor, an output shaft of the servo motor is connected with the first rotating roller 21 through a coupler, the first rotating roller 21 and the second rotating roller 22 are connected through gear transmission, and the first rotating roller 21 and the second rotating roller 22 can be driven to rotate through rotation of the output shaft of the servo motor.
Further, the apparatus further comprises: the heat insulation layer 83 is made of heat insulation materials and wraps the feeding part 81, so that heat loss in the feeding part 81 is reduced.
It is worth mentioning that the heat-insulating material can be made of rock wool board, foaming polyurethane and other materials capable of realizing heat insulation.
It will be apparent to those skilled in the art that while preferred embodiments of the present utility model have been described, additional variations and modifications may be made to these embodiments once the basic inventive concepts are known to those skilled in the art. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model. It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. A hot air drying and conveying apparatus, comprising:
A feeding cylinder (1) for feeding powder;
a first rotating roller (21) and a second rotating roller (22) which are arranged in parallel are rotatably arranged in the feeding cylinder (1);
A first crushing member (31) and a second crushing member (32) which are annular and are respectively arranged on the first rotating roller (21) and the second rotating roller (22);
Along the axial direction of the first rotating roller (21), a plurality of first crushing components (31) and a plurality of second crushing components (32) are arranged in a staggered manner;
the driving part (4) is used for driving the first rotating roller (21) and the second rotating roller (22) to rotate so as to drive the first crushing part (31) and the second crushing part (32) to crush and crush the bulk powder;
The feeding component (81) is provided with a feeding channel (82) which is communicated with the feeding cylinder (1) and is used for receiving powder;
and the hot air assembly is used for providing hot air into the feeding channel (82).
2. The hot air drying and conveying device according to claim 1, further comprising two symmetrically mounted guide plates (5) arranged in the feed cylinder (1) for guiding the powder material to be conveyed between the first crushing member (31) and the second crushing member (32).
3. The hot air drying and conveying apparatus according to claim 1, characterized in that a gap distance between two adjacent first crushing members (31)/two adjacent second crushing members (32) is L1, a gap distance between the first crushing members (31) and the second rotating roller (22) is L2, a gap distance between the second crushing members (32) and the first rotating roller (21) is L3, and L1 > l2=l3.
4. A hot air drying and conveying apparatus according to claim 3, further comprising a scraper (6), wherein a plurality of tooth grooves are provided on the scraper (6), tooth tops (61) of the tooth grooves are abutted with the first rotating roller (21)/the second rotating roller (22), and tooth roots (62) of the tooth grooves are abutted with the first crushing member (31)/the second crushing member (32).
5. The hot air drying and conveying apparatus according to claim 1, wherein the hot air assembly comprises: a fan (71) for providing a flowing wind into the feed channel (82);
and the resistance wire (72) is connected with a power supply and is used for heating flowing wind.
6. The hot air drying and conveying apparatus according to claim 1, further comprising: and the heat preservation layer (83) is made of heat preservation materials and is wrapped outside the feeding component (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323599259.6U CN221483997U (en) | 2023-12-27 | 2023-12-27 | Hot air drying and conveying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323599259.6U CN221483997U (en) | 2023-12-27 | 2023-12-27 | Hot air drying and conveying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221483997U true CN221483997U (en) | 2024-08-06 |
Family
ID=92367801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323599259.6U Active CN221483997U (en) | 2023-12-27 | 2023-12-27 | Hot air drying and conveying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221483997U (en) |
-
2023
- 2023-12-27 CN CN202323599259.6U patent/CN221483997U/en active Active
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| GR01 | Patent grant | ||
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