CN215649198U - Drying device for reconstituted tobacco by thick paste method - Google Patents
Drying device for reconstituted tobacco by thick paste method Download PDFInfo
- Publication number
- CN215649198U CN215649198U CN202121516374.0U CN202121516374U CN215649198U CN 215649198 U CN215649198 U CN 215649198U CN 202121516374 U CN202121516374 U CN 202121516374U CN 215649198 U CN215649198 U CN 215649198U
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- hot air
- drying
- steel belt
- reconstituted tobacco
- steam injection
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- 241000208125 Nicotiana Species 0.000 title claims abstract description 36
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 36
- 238000001035 drying Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 238000007602 hot air drying Methods 0.000 claims abstract description 23
- 238000010793 Steam injection (oil industry) Methods 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 abstract description 5
- 238000001704 evaporation Methods 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000007613 slurry method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Manufacture Of Tobacco Products (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a drying device for reconstituted tobacco by a thick paste method, which comprises a steel belt, a plurality of steam injection heating devices arranged below the steel belt and a plurality of hot air drying units arranged above the steel belt, wherein each hot air drying unit corresponds to at least one steam injection heating device, and each hot air drying unit comprises: the box cover and the hot air injection device arranged in the box cover are connected with an external hot air blower, a moisture discharge port at the top of the box cover is connected with a moisture discharge fan, the drying device can simultaneously dry the two sides of the reconstituted tobacco, the temperature of a steel belt can be reduced, the low-temperature drying of the steel belt is realized, vapor evaporation is avoided to form bubbles, holes are formed in a thin sheet, and different air supply temperatures, air speeds and moisture discharge air quantities can be adopted according to the conditions of materials of all sections, so that the quality of the reconstituted tobacco is improved.
Description
Technical Field
The utility model relates to the technical field of reconstituted tobacco production and processing, in particular to a drying device for reconstituted tobacco by a thick paste method.
Background
The thick pulp method for producing the tobacco sheet is to evenly cast thick pulp on a metal steel belt which circularly runs, a thick pulp film with stable thickness and quantification is formed on the steel belt, and the thick pulp is dried and peeled off in the running process of the thick pulp film, so that the thick pulp method tobacco sheet is obtained.
In the drying stage of preparing tobacco leaf slices by a thick slurry method in the prior art, a method of spraying steam to heat the lower part of a steel belt is utilized, moisture in a slurry film cast on the steel belt is evaporated due to heating, the evaporated moisture overflows to the upper part of the steel belt, and the overflowing water vapor is discharged out of a device along with hot air which is opposite to the conveying direction of the slurry film (in a countercurrent manner), so that the dehydration process requirement is realized. Meanwhile, due to the fact that the moisture content of the tobacco pulp is high, when the surface temperature of the steel belt is too high, bubbles can be formed, the bubbles are broken to form holes in the thin sheet, and the quality of finished products is affected. In addition, because only one hot air inlet is arranged at the tail end of the equipment, the closer to the initial section of the drying process, the weaker the moisture absorption capacity of the hot air inlet is, and the poorer the drying efficiency is due to the fact that a large amount of moisture is absorbed in the hot air countercurrent process; meanwhile, a single steel belt drying mode is not beneficial to evaporation of material moisture, the drying efficiency is low, the production capacity is limited, and the steam consumption is large.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects in the prior art, the inventor provides the drying device for the reconstituted tobacco by the thick paste method, the two sides of the reconstituted tobacco can be dried simultaneously, the drying efficiency is high, and the production capacity is greatly improved.
Specifically, the present invention is realized by:
a drying device for reconstituted tobacco by a thick paste method comprises a steel belt, a plurality of steam injection heating devices arranged below the steel belt and a plurality of hot air drying units arranged above the steel belt, wherein each hot air drying unit corresponds to at least one steam injection heating device;
each of the hot air drying units includes: the box cover and the hot air injection device arranged in the box cover are connected with an external hot air blower, and a moisture exhaust port at the top of the box cover is connected with a moisture exhaust fan.
Further, the hot air injection device includes: the air homogenizing box comprises an air homogenizing box and a plurality of hot air nozzles arranged at the bottom of the air homogenizing box side by side.
Furthermore, the vertical section of the air equalizing box is trumpet-shaped.
Further, each of the steam injection heating devices includes a plurality of steam injection pipes arranged side by side.
Further, the included angle between the steam jet pipe and the steel strip moving direction is 10-90 degrees, and the included angle between the hot air nozzle and the steel strip moving direction is 30-180 degrees.
The working principle of the utility model is as follows:
during operation, the steam jet heating device heats the steel belt, the steel belt is used for drying the lower surface of the reconstituted tobacco, meanwhile, hot air from an external hot air blower is sprayed to the reconstituted tobacco on the steel belt through the hot air jet device to dry the upper surface of the reconstituted tobacco, and wet air generated in the drying process is discharged by the moisture exhaust fan, so that the drying of air in each hot air drying unit is guaranteed.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the drying device for the reconstituted tobacco by the thick paste method provided by the utility model can be used for drying the two sides of the reconstituted tobacco simultaneously, has high drying efficiency and can be used for greatly improving the production capacity.
(2) Due to the fact that hot air drying is added on the upper surface of the reconstituted tobacco, the temperature of the steel belt can be reduced, low-temperature drying of the steel belt is achieved, bubbles formed by vapor evaporation are avoided, holes are formed in the thin sheet, and the quality of finished products is effectively improved.
(3) The hot air drying units are multiple, different air supply temperatures, air speeds and moisture removal air quantities can be adopted according to the conditions of the materials at all sections, and the quality of the reconstituted tobacco is improved.
Drawings
FIG. 1 is a schematic configuration diagram of a drying apparatus in example 1;
fig. 2 is a perspective view of the drying apparatus in embodiment 1.
Reference numerals:
1-a steel belt; 2-steam jet heating device; 21-a steam injection pipe; 3-a hot air drying unit; 31-a box cover; 32-hot air injection means; 321-air homogenizing box; 322-hot air nozzles; 33-hot air blower; 34-moisture removal fan.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
Example 1
As shown in fig. 1-2, the utility model provides a drying device for reconstituted tobacco by a thick slurry method, which comprises a steel belt 1, a steam injection heating device 2 arranged below the steel belt 1, and a plurality of hot air drying units 3 (the number of the hot air drying units can be increased or decreased according to process flow) arranged above the steel belt 1, wherein the number of the steam injection heating devices 2 is multiple, and each hot air drying unit 3 corresponds to at least one steam injection heating device 2. Utilize steam injection heating device 2 and hot air drying unit 3 to carry out the drying to reconstituted tobacco two-sided simultaneously, improved drying efficiency greatly to, through steam injection heating device 2's temperature, make the temperature of steel band 1 reduce, can effectively avoid steam evaporation to form the bubble, and form the hole on the thin slice, improved finished product quality.
Specifically, each steam injection heating device 2 comprises a plurality of steam injection pipes 21 which are arranged side by side along the conveying direction of the steel strip 1, and the angle of steam injection of the steam injection pipes 21 and the angle of the steel strip 1 form an angle of 10-90 degrees so as to meet the production requirement. Each hot air drying unit 3 includes: a box cover 31 and a hot air injection device 32 provided in the box cover 31, the hot air injection device 32 including: the steel strip 1 conveying device comprises an air equalizing box 321 and a plurality of hot air nozzles 322 which are arranged at the bottom of the air equalizing box 321 side by side along the conveying direction of the steel strip 1, wherein the included angle between the hot air nozzles 322 and the moving direction of the steel strip 1 is 30-180 degrees, and the hot air nozzles 322 with different heights and angles can be configured according to process requirements. The inlet of the air equalizing box 321 is connected with an external hot air blower 33, the vertical section of the air equalizing box 321 is trumpet-shaped, and hot air is uniformly distributed through the air equalizing box 321 and then sprayed to the reconstituted tobacco through a hot air nozzle 322 at the lower trumpet-shaped opening, so that the aim of drying the upper surface of the reconstituted tobacco is fulfilled. The moisture exhaust port at the top of the box cover 31 is connected with a moisture exhaust fan 34 for exhausting moisture of the wet air in the single hot air drying unit 3.
It should be noted that each hot air drying unit 3 can be independently adjusted and is close to the forming feeding end of the reconstituted tobacco, because the reconstituted tobacco is just formed and has better water content and fluidity, the hot air drying unit 3 closest to the feeding end adopts higher hot air temperature and lower hot air nozzle 322 air speed, the running direction of the hot air nozzle 322 and the reconstituted tobacco is 180 degrees, and at the moment, the bottom steam jet heating device 2 adopts high-temperature and high-flow steam to heat the steel belt 1 so as to improve the drying rate; with the reduction of the moisture of the reconstituted tobacco, the strength of the reconstituted tobacco is increased, the hot air drying unit 3 at the corresponding position adopts higher hot air speed, the included angle between the hot air nozzle 322 and the running direction of the reconstituted tobacco is properly adjusted to be small, and meanwhile, the steam temperature and the steam flow of the bottom steam jet heating device 2 are reduced; when the moisture content of the reconstituted tobacco is lower than 50%, the wind speed of hot wind of the hot wind drying unit 3 at the corresponding position is more than 25m/s, an included angle of 90 degrees is formed between the hot wind nozzle 322 and the running direction of the reconstituted tobacco, and the bottom steam jet heating device 2 adopts a smaller steam temperature and a smaller steam flow to heat. The application provides a drying device of thick liquid method reconstituted tobacco can adopt different air supply temperature, wind speed, row damp amount of wind according to the condition of each section material, helps improving the quality of reconstituted tobacco.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the utility model and are not intended to be limiting. For a person skilled in the art to which the utility model pertains, several simple deductions, modifications or substitutions may be made according to the idea of the utility model.
Claims (5)
1. The drying device for the reconstituted tobacco by the thick paste method comprises a steel belt (1) and a steam injection heating device (2) arranged below the steel belt (1), and is characterized by further comprising a plurality of hot air drying units (3) arranged above the steel belt (1), wherein the steam injection heating device (2) is provided with a plurality of hot air drying units, and each hot air drying unit (3) corresponds to at least one steam injection heating device (2);
each of the hot air drying units (3) comprises: case cover (31) and setting are in hot-blast injection apparatus (32) in case cover (31), hot-blast injection apparatus (32) are connected with outside hot-blast forced draught blower (33), the row's of case cover (31) top is wet mouthful and is connected with row damp fan (34).
2. Drying apparatus according to claim 1, characterized in that said hot air injection means (32) comprise: the air homogenizing box comprises an air homogenizing box (321) and a plurality of hot air nozzles (322) which are arranged at the bottom of the air homogenizing box (321) side by side.
3. Drying apparatus according to claim 2, characterised in that the vertical cross-section of the homoblast box (321) is flared.
4. Drying device according to claim 2, wherein each of said steam injection heating devices (2) comprises a plurality of steam injection pipes (21) arranged side by side.
5. The drying apparatus according to claim 4, wherein the angle between the steam injection pipe (21) and the moving direction of the steel strip (1) is 10 to 90 °, and the angle between the hot air nozzle (322) and the moving direction of the steel strip (1) is 30 to 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121516374.0U CN215649198U (en) | 2021-07-05 | 2021-07-05 | Drying device for reconstituted tobacco by thick paste method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121516374.0U CN215649198U (en) | 2021-07-05 | 2021-07-05 | Drying device for reconstituted tobacco by thick paste method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215649198U true CN215649198U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121516374.0U Active CN215649198U (en) | 2021-07-05 | 2021-07-05 | Drying device for reconstituted tobacco by thick paste method |
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| Country | Link |
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| CN (1) | CN215649198U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116035244A (en) * | 2023-02-06 | 2023-05-02 | 湖北中烟工业有限责任公司 | A kind of preparation method of shredded tobacco with thick paste method and tobacco |
| CN117299507A (en) * | 2023-11-22 | 2023-12-29 | 广东瀚秋智能装备股份有限公司 | Panel application processingequipment that possesses dehumidification drying function |
-
2021
- 2021-07-05 CN CN202121516374.0U patent/CN215649198U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116035244A (en) * | 2023-02-06 | 2023-05-02 | 湖北中烟工业有限责任公司 | A kind of preparation method of shredded tobacco with thick paste method and tobacco |
| CN117299507A (en) * | 2023-11-22 | 2023-12-29 | 广东瀚秋智能装备股份有限公司 | Panel application processingequipment that possesses dehumidification drying function |
| CN117299507B (en) * | 2023-11-22 | 2024-05-10 | 广东瀚秋智能装备股份有限公司 | Panel application processingequipment that possesses dehumidification drying function |
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