CN217851302U - Tobacco sheet powder processing and recycling system - Google Patents
Tobacco sheet powder processing and recycling system Download PDFInfo
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- CN217851302U CN217851302U CN202221958368.5U CN202221958368U CN217851302U CN 217851302 U CN217851302 U CN 217851302U CN 202221958368 U CN202221958368 U CN 202221958368U CN 217851302 U CN217851302 U CN 217851302U
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Abstract
The utility model provides a tobacco sheet powder processing and recovering system; relate to tobacco material processing technology field, the problem that the powder rate of getting is low when aiming at present tobacco flake preparation, filter the dust-laden flue gas of whirlwind blanking subassembly output and remove dust, the remaining powder that will remove dust simultaneously and acquire is collected, through secondary recovery pipeline, reintroduce whirlwind blanking subassembly under negative pressure state, get into whirlwind blanking subassembly simultaneously with the powder of crushing unit output, can the intensive mixing, the homogeneity of having guaranteed the tobacco flake powder, form the circulation and collect in order to improve and get the material rate.
Description
Technical Field
The utility model relates to a tobacco material processing technology field, in particular to tobacco sheet powder processing and recovery system.
Background
At present, in the process of manufacturing tobacco sheets, raw materials such as tobacco leaves, tobacco stems, tobacco powder and the like are crushed to obtain powder with set granularity (100-300 meshes), which is commonly called as tobacco powder for later working procedures. The existing production line of the tobacco sheets comprises the following process routes: the method comprises the steps of quantification, crushing, cyclone blanking and dust removal, wherein the crushed tobacco powder has fine granularity and small specific gravity, only about 85 percent of the tobacco powder is collected by a cyclone blanking device, and the rest of the tobacco powder is delivered with wind for dust removal and discharge.
The discharged tobacco powder is treated in two modes, one mode is directly treated as waste material, and the other mode is that the waste material is manually collected and poured into a storage bin to be mixed with the material collected by the cyclone blanking device for utilization. The inventor finds that the first mode has low material yield and high production cost; the second mode is high in labor intensity, the granularity of the tobacco powder collected by dust removal is finer, and the tobacco powder collected by the dust removal and cyclone blanking is not uniformly mixed in the bin.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the defect that prior art exists, a tobacco flake powder processing and recovery system is provided, the dusty flue gas to cyclone blanking subassembly output filters and removes dust, the powder that remains that will remove dust simultaneously and acquire is collected, through secondary recovery pipeline, reintroduce whirlwind blanking subassembly under negative pressure state, get into whirlwind blanking subassembly simultaneously with the powder of crushing unit output, can the intensive mixing, the homogeneity of tobacco flake powder has been guaranteed, form the circulation and collect in order to improve the material rate.
In order to realize the purpose, the following technical scheme is adopted:
a tobacco sheet powder processing and recovery system, comprising:
the conveying assembly is used for acquiring materials and conveying the materials to the crushing assembly;
the crushing assembly is used for crushing materials and supplying the obtained granular materials to the cyclone blanking assembly;
the cyclone blanking assembly is used for collecting powder under the action of centrifugal force and conveying dust-containing gas to the dust removal assembly;
the dust removal component is used for filtering dust-containing gas and collecting residual powder in the gas;
and the discharge hole of the dust removal component is provided with an air seal device which is communicated with the feed inlet of the cyclone blanking component through a recovery pipeline so as to supply residual powder collected by the dust removal component to the cyclone blanking component.
Furthermore, the conveying assembly is a screw conveyor, a screw rod is arranged in the screw conveyor, and the screw pitch of the screw rod corresponding to the inlet section of the conveying assembly is smaller than that of the outlet section of the conveying assembly.
Furthermore, crushing subassembly is airflow vortex formula rubbing crusher, and airflow vortex formula rubbing crusher is inside to be equipped with crushing chamber, smashes chamber entry end intercommunication conveying component exit end, smashes chamber exit end and recovery pipeline exit end and inserts whirlwind blanking subassembly's feed inlet jointly.
Furthermore, the crushing assembly is matched with an air cooling mechanism and a water cooling mechanism, and a cooling air port of the air cooling mechanism is connected to a pipeline between the inlet end of the crushing cavity and the outlet end of the conveying assembly; the cooling pipe of the water cooling mechanism is arranged in the crushing cavity.
Furthermore, the cyclone blanking assembly is provided with a gas discharge port and a powder discharge port, the gas discharge port is communicated with the dust removal assembly, and the powder discharge port is communicated with the mixing storage bin.
Furthermore, a filter cloth bag and a scraper blade are arranged in the dust removal assembly, and the scraper blade is abutted against the outer wall of the filter cloth bag so as to scrape residual powder attached to the filter cloth bag.
Furthermore, a filter cavity is formed in the dust removal assembly, the filter cloth bag and the scraper blade are both arranged in the filter cavity, the air seal device is positioned at the bottom of the filter cavity, and a collecting channel with a variable cross-section shape is formed between the air seal device and the filter cloth bag so as to guide the residual powder to the air seal device.
Furthermore, a spark detection mechanism and a fire extinguishing spraying mechanism are arranged between the crushing assembly and the cyclone blanking assembly through pipelines.
Furthermore, a temperature control fire valve and an explosion-proof valve are arranged on pipelines of the cyclone blanking component and the dust removal component.
Further, the dust removal component is connected with a negative pressure fan.
Compared with the prior art, the utility model has the advantages and positive effect be:
(1) The problem that powder material rate is low when aiming at present tobacco sheet preparation, filters the dust-laden flue gas of cyclone blanking subassembly output and removes dust, collects the residual powder that obtains removing dust simultaneously, through secondary recovery pipeline, introduces cyclone blanking subassembly again under negative pressure state, gets into cyclone blanking subassembly simultaneously with the powder of smashing the subassembly output, can the intensive mixing, has guaranteed the homogeneity of tobacco sheet powder, forms the circulation and collects in order to improve the material rate.
(2) Through setting up secondary recovery pipeline, can send into the powder automatically with the tobacco powder and store the storehouse in, need not the manual work and send into the material, degree of automation is high, has reduced staff's intensity of labour, has improved work efficiency.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic view of the overall structure of a processing and recycling system in embodiment 1 of the present invention.
Fig. 2 is a schematic view of a crushing assembly in embodiment 1 of the present invention.
Fig. 3 is a schematic view of a recovery pipeline in embodiment 1 of the present invention.
Fig. 4 is a schematic view of a dust removing assembly in embodiment 1 of the present invention.
In the figure, 1, a conveying assembly, 2, a crushing assembly, 3, a cyclone blanking assembly, 4, a dust removal assembly, 5, a secondary recovery assembly, 6, a mixed storage bin, 7, a rotor, 8, a stator, 9, a grading impeller, 10, an air cooling mechanism, 11, a water cooling mechanism, 12, a spark detection mechanism, 13, a fire extinguishing spraying mechanism, 14, a temperature control valve, 15, an explosion suppression valve, 16, a recovery pipeline, 17, a scraper and 18, an air shutter are arranged.
Detailed Description
Example 1
In a typical embodiment of the present invention, as shown in fig. 1-4, a tobacco sheet powder processing and recycling system is provided.
As shown in fig. 1, the tobacco sheet powder processing and recovering system sequentially conveys, crushes, sorts, filters and recovers materials such as tobacco leaves, tobacco stems and tobacco powder, filters and removes dust from dust-containing smoke output by the cyclone blanking assembly 3, collects residual powder obtained by dust removal, introduces the cyclone blanking assembly 3 again in a negative pressure state through a secondary recovery pipeline 16, and simultaneously enters the cyclone blanking assembly 3 together with powder output by the crushing assembly 2, so that sufficient mixing is achieved, the uniformity of the tobacco sheet powder is ensured, and circulating collection is formed to improve the material yield.
As shown in figure 1, the tobacco sheet powder processing and recycling system mainly comprises a conveying assembly 1, a crushing assembly 2, a cyclone blanking assembly 3, a dust removal assembly 4 and a secondary recycling assembly 5. Meanwhile, in the embodiment, a mixing storage bin 6 for receiving powder output by the cyclone blanking assembly 3 is also arranged. Raw materials such as tobacco leaves, tobacco stems, tobacco powder and the like can be crushed to obtain powder with set granularity (100-300 meshes), namely the powder and the tobacco powder in the implementation, for the use of the subsequent process.
In general, a tobacco sheet powder processing and recycling system, comprising:
the conveying assembly 1 is used for acquiring materials and conveying the materials to the crushing assembly 2;
the crushing component 2 is used for crushing materials and supplying the obtained particle materials to the cyclone blanking component 3;
the cyclone blanking assembly 3 is used for collecting powder under the action of centrifugal force and conveying dust-containing gas to the dust removal assembly 4;
the dust removal component 4 is used for filtering dust-containing gas and collecting residual powder in the gas;
an air seal device 18 is arranged at the discharge hole of the dust removing component 4, and the air seal device 18 is communicated with the feed hole of the cyclone blanking component 3 through a recovery pipeline 16 so as to supply the residual powder collected by the dust removing component 4 to the cyclone blanking component 3.
In this embodiment, the materials obtained by the conveying mechanism are tobacco leaves, tobacco stems, tobacco powder and the like; the crushing assembly 2 processes the materials of the conveying assembly 1 into required powdery fine particles; the powder obtained after crushing is sent to the cyclone blanking component 3 through negative pressure air, most of the powder is collected under the action of the cyclone blanking component 3, and a small part of the powder enters the subsequent dust removal component 4 along with the airflow; the dust removal assembly 4 filters the remaining dust in the dusty gas and is able to collect the dust to the location of the air seal 18.
The recovery pipeline 16 is used as a main component of the secondary recovery assembly 5 and conveys the residual powder at the position of the air seal 18 to the cyclone blanking assembly 3 under the action of negative pressure airflow.
Through setting up secondary recovery pipeline 16, can send into the powder automatically with the tobacco powder and store the storehouse in, need not the manual work and send into the material, degree of automation is high, has reduced staff's intensity of labour, has improved work efficiency.
As shown in fig. 1, the conveying assembly 1 is a raw material conveying mechanism, which includes a screw conveyor including a housing and a screw rod that conveys the material by screw using a screw blade.
The pitch that corresponds 1 entry segment hob of conveyor components is less than the pitch of 1 export segment of conveyor components, and in this embodiment, the hob includes first half and second half, and the pitch of first half and second half is different, and second half is big than first half pitch, and the supplied materials of being convenient for are carried unobstructed, do not block up.
As shown in fig. 2, the pulverizing assembly 2 is an airflow vortex type pulverizer, a pulverizing cavity is arranged in the airflow vortex type pulverizer, the inlet end of the pulverizing cavity is communicated with the outlet end of the conveying assembly 1, and the outlet end of the pulverizing cavity and the outlet end of the recovery pipeline 16 are jointly connected to the feed inlet of the cyclone blanking assembly 3.
It will be appreciated that the gas flow scroll mill employs existing equipment to pulverize material by friction of the stator 8 and rotor 7 and to filter off acceptable powder by the classifying impeller 9.
In this embodiment, the crushing assembly 2 is matched with an air cooling mechanism 10 and a water cooling mechanism 11, and a cooling air port of the air cooling mechanism 10 is connected to a pipeline between an inlet end of the crushing cavity and an outlet end of the conveying assembly 1; the cooling pipe of the water cooling mechanism 11 is arranged in the crushing cavity; it can be understood that the crushing assembly 2 is matched with a water cooling and air cooling two-stage cooling mode, the temperature of the powder is reduced, and the quality of the tobacco powder is ensured. The air cooling mechanism 10 and the water cooling mechanism 11 may be implemented by existing equipment.
As shown in FIG. 3, the cyclone blanking assembly 3 is provided with a gas outlet and a powder outlet, the gas outlet is communicated with the dedusting assembly 4, and the powder outlet is communicated with the mixing storage bin 6.
In addition, referring to fig. 4, the dust removing assembly 4 is provided therein with a filter cloth bag and a scraper 17, and the scraper 17 abuts against the outer wall of the filter cloth bag to scrape off the residual powder attached to the filter cloth bag.
A filter cavity is formed in the dust removal component 4, the filter cloth bag and the scraper 17 are both arranged in the filter cavity, the air seal device 18 is positioned at the bottom of the filter cavity, and a collecting channel with a variable cross-section shape is formed between the air seal device 18 and the filter cloth bag so as to guide residual powder to the air seal device 18.
The position of the filter cavity corresponding to the residual powder collection is a powder collection bin, the powder collection bin is in a square-to-round shape, the bottom of the powder collection bin is provided with a scraper 17 mechanism, and the filtered tobacco powder is guided to a discharge hole by the scraper 17 and then discharged by an air seal machine 18.
In order to improve the safety in the operation process and monitor the working process, a spark detection mechanism 12 and a fire extinguishing spraying mechanism 13 are arranged between the crushing assembly 2 and the cyclone blanking assembly 3 through pipelines; and a temperature control valve 14 and an explosion-proof valve 15 are arranged on pipelines of the cyclone blanking component 3 and the dust removal component 4, wherein the temperature control valve is a temperature control fire-proof valve.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A tobacco sheet powder processing and recovery system is characterized by comprising:
the conveying assembly is used for acquiring materials and conveying the materials to the crushing assembly;
the crushing assembly is used for crushing materials and supplying the obtained granular materials to the cyclone blanking assembly;
the cyclone blanking assembly is used for collecting powder under the action of centrifugal force and conveying dust-containing gas to the dust removal assembly;
the dust removal component is used for filtering dust-containing gas and collecting residual powder in the gas;
and a discharge port of the dust removal assembly is provided with an air seal machine which is communicated with a feed port of the cyclone blanking assembly through a recovery pipeline so as to supply residual powder collected by the dust removal assembly to the cyclone blanking assembly.
2. The tobacco sheet dust processing and recycling system of claim 1, wherein said conveyor assembly is a screw conveyor having a screw rod disposed therein, the screw rod having a pitch corresponding to the inlet section of the conveyor assembly that is less than the pitch of the outlet section of the conveyor assembly.
3. The tobacco sheet powder processing and recovering system according to claim 1, wherein the pulverizing component is a vortex type air flow pulverizer, a pulverizing chamber is arranged in the vortex type air flow pulverizer, an inlet end of the pulverizing chamber is communicated with an outlet end of the conveying component, and an outlet end of the pulverizing chamber and an outlet end of the recovering pipeline are jointly connected to a feeding hole of the cyclone blanking component.
4. The tobacco sheet powder processing and recovering system according to claim 3, wherein the pulverizing assembly is provided with an air cooling mechanism and a water cooling mechanism, and a cooling air port of the air cooling mechanism is connected to a pipeline between an inlet end of the pulverizing cavity and an outlet end of the conveying assembly; the cooling pipe of the water cooling mechanism is arranged in the crushing cavity.
5. The tobacco sheet powder processing and recycling system according to claim 1, wherein the cyclone blanking assembly has a gas outlet and a powder outlet, the gas outlet is connected to the dust removal assembly, and the powder outlet is connected to the mixing storage bin.
6. The tobacco sheet powder processing and recycling system of claim 1, wherein the dust removal assembly comprises a filter bag and a scraper, the scraper abuts against the outer wall of the filter bag to scrape off residual powder attached to the filter bag.
7. The tobacco sheet powder processing and recycling system of claim 6, wherein a filter chamber is formed in the dust removal assembly, the filter cloth bag and the scraper are both disposed in the filter chamber, the air seal is located at the bottom of the filter chamber, and a collecting channel with a variable cross-sectional shape is formed between the air seal and the filter cloth bag to guide the residual powder to the air seal.
8. The tobacco sheet powder processing and recycling system according to claim 1, wherein a spark detection mechanism and a fire extinguishing spray mechanism are installed between the crushing assembly and the cyclone blanking assembly.
9. The tobacco sheet powder processing and recycling system of claim 1, wherein a temperature control fire valve and an explosion suppression valve are installed on the pipelines of the cyclone blanking component and the dust removal component.
10. The tobacco sheet powder processing and recycling system of claim 1, wherein said dusting assembly is connected to a negative pressure fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221958368.5U CN217851302U (en) | 2022-07-27 | 2022-07-27 | Tobacco sheet powder processing and recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221958368.5U CN217851302U (en) | 2022-07-27 | 2022-07-27 | Tobacco sheet powder processing and recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217851302U true CN217851302U (en) | 2022-11-22 |
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ID=84055250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221958368.5U Active CN217851302U (en) | 2022-07-27 | 2022-07-27 | Tobacco sheet powder processing and recycling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217851302U (en) |
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2022
- 2022-07-27 CN CN202221958368.5U patent/CN217851302U/en active Active
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