WO2022019032A1 - Dispositif et procédé de fabrication de feuille de tabac reconstitué - Google Patents

Dispositif et procédé de fabrication de feuille de tabac reconstitué Download PDF

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Publication number
WO2022019032A1
WO2022019032A1 PCT/JP2021/023587 JP2021023587W WO2022019032A1 WO 2022019032 A1 WO2022019032 A1 WO 2022019032A1 JP 2021023587 W JP2021023587 W JP 2021023587W WO 2022019032 A1 WO2022019032 A1 WO 2022019032A1
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WIPO (PCT)
Prior art keywords
raw material
die
reconstructed
reconstructed tobacco
tobacco sheet
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PCT/JP2021/023587
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English (en)
Japanese (ja)
Inventor
幸太郎 千田
健太 光内
Original Assignee
日本たばこ産業株式会社
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Application filed by 日本たばこ産業株式会社 filed Critical 日本たばこ産業株式会社
Priority to JP2022538648A priority Critical patent/JPWO2022019032A1/ja
Priority to EP21846912.0A priority patent/EP4183269A1/fr
Publication of WO2022019032A1 publication Critical patent/WO2022019032A1/fr

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products

Definitions

  • the present invention relates to a reconstructed tobacco sheet manufacturing apparatus and a manufacturing method.
  • a rolling method, a cast (slurry) method, and a papermaking method are known as a method for manufacturing a reconstructed tobacco sheet. These production methods are selected according to the amount of water contained in the reconstituted tobacco raw material. In addition, each of these manufacturing methods is realized by different reconstructed tobacco sheet manufacturing devices.
  • the rolling method is known to be particularly suitable for reconstituted tobacco raw materials containing 50% by volume or less of water.
  • the kneaded product of the reconstituted tobacco raw material is rolled and molded by a rotating roller, the thickness is adjusted, and then the kneaded product is dried by a dryer provided separately.
  • the cast (slurry) method is known to be particularly suitable for reconstituted tobacco raw materials containing 50% by volume or more of water.
  • the fluid of the reconstituted tobacco raw material is continuously spread on a rotary drum or belt conveyor, leveled to a desired thickness with a member called a blade, and then the rotary drum or It is peeled off from the belt conveyor and dried by a separately provided dryer (see, for example, Patent Document 1).
  • the papermaking method is known to be particularly suitable for reconstituted tobacco raw materials containing 80% by volume or more of water.
  • the fluid of the reconstituted tobacco raw material is continuously spread on a liquid permeable belt conveyor, and after the water is removed by a squeezing roller and the desired thickness is obtained, a separately provided drying is performed. It is dried by the machine.
  • An object of the present invention is to provide a reconstructed tobacco sheet manufacturing apparatus and a manufacturing method capable of obtaining a reconstructed tobacco sheet having a uniform thickness by a simple manufacturing process regardless of the amount of water contained in the reconstructed tobacco raw material. To provide.
  • a reconstructed tobacco sheet manufacturing apparatus comprises a die for discharging the reconstructed tobacco raw material, and the die is formed on a housing, a supply port formed in the housing, and a supply port to which the reconstructed tobacco raw material is supplied, and one side surface of the housing. It has a discharge port for discharging the reconstructed tobacco raw material, and has a state detection unit for detecting the state of the reconstructed tobacco raw material inside the die or the state of the reconstructed tobacco raw material discharged from the die, and a reconstructed tobacco sheet.
  • the control unit further comprises a control unit for controlling the operation of the manufacturing apparatus of the above, and the state detection unit outputs an electric signal according to the detection result of the state of the reconstructed tobacco raw material to the control unit. According to this, it is possible to obtain a reconstructed tobacco sheet having a uniform thickness by a simple manufacturing process regardless of the amount of water contained in the reconstituted tobacco raw material.
  • an actuator for changing the state of the reconstituted tobacco raw material is further provided, and the control unit controls the actuator based on an electric signal from the state detection unit. According to this, the state of the reconstituted tobacco raw material can be changed.
  • the die has a variable width mechanism capable of changing the width direction length of the discharge port as an actuator, and the state detection unit is a re-discharged from the die.
  • the thickness of the constituent tobacco raw material is detected, and an electric signal according to the detection result is output to the control unit.
  • the control unit controls the variable width mechanism based on the electric signal from the state detection unit, and the width of the discharge port. Change the directional length. According to this, the thickness of the reconstructed tobacco sheet can be adjusted to a desired thickness.
  • the extruder for pumping the reconstituted tobacco raw material to the die is further provided, and the state detection unit is the discharge pressure of the reconstituted tobacco raw material inside the die and the discharge pressure of the reconstituted tobacco raw material. At least one of the flow rates of the reconstituted tobacco raw material discharged from the die is detected, and an electric signal corresponding to the detection result is output to the control unit. According to this, the state of the reconstituted tobacco raw material can be changed based on at least one of the discharge pressure of the reconstituted tobacco raw material inside the die and the flow rate of the reconstituted tobacco raw material discharged from the die.
  • the extruder has a screw rotatably arranged in the housing as an actuator, and the control unit is based on an electric signal from the state detection unit.
  • the rotation of the screw is controlled to change the discharge rate of the reconstituted tobacco raw material discharged from the die. According to this, the discharge speed of the reconstructed tobacco sheet discharged from the die can be kept constant.
  • a drum for drying and transporting the reconstituted tobacco raw material discharged from the die is further provided, and the actuator is opposed to the drum. It has an auxiliary drying device that dries the reconstituted tobacco raw material that is arranged and discharged from the die, and the state detector detects the water content of the reconstituted tobacco raw material that has been dried by the drum and the auxiliary drying device, and the detection result is The corresponding electric signal is output to the control unit. According to this, the state of the reconstituted tobacco raw material can be changed based on the water content of the reconstituted tobacco raw material dried by the drum and the auxiliary drying device.
  • the control unit controls the auxiliary drying device based on the electric signal from the state detection unit, and the reconstructed tobacco raw material is dried by the drum and the auxiliary drying device. Change the amount of water in the. According to this, the water content of the reconstructed tobacco sheet dried by the drum and the auxiliary drying device can be kept within a certain range.
  • a method for producing a reconstructed tobacco sheet includes a step of supplying the reconstituted tobacco raw material to the supply port of the die, a process of forming the reconstructed tobacco raw material into a sheet from the discharge port of the die and discharging the raw material into a sheet, and a process of re-injecting the inside of the die. It has a step of detecting the state of the constituent tobacco raw material or the state of the reconstituted tobacco raw material discharged from the die, and a step of outputting an electric signal according to the detected state of the reconstituted tobacco raw material. According to this, it is possible to obtain a reconstructed tobacco sheet having a uniform thickness by a simple manufacturing process regardless of the amount of water contained in the reconstituted tobacco raw material.
  • the step of controlling the actuator that changes the state of the reconstructed tobacco raw material based on the output electric signal and changing the state of the reconstructed tobacco raw material Have more. According to this, the state of the reconstituted tobacco raw material can be changed.
  • FIG. 1 is a side view showing a reconstructed tobacco sheet manufacturing apparatus according to the first embodiment of the present invention.
  • the reconstructed tobacco sheet manufacturing apparatus 100 includes an extruder 10, a die 20, a drum dryer (main drum) 30, a scraper 40, and rollers 51 and 52.
  • the drum dryer 30 has a shaft 31 and a drum body 32.
  • the extruder 10 pumps the reconstituted tobacco raw material supplied from a tank or the like (not shown) to the die 20.
  • the die 20 discharges the reconstituted tobacco raw material supplied from the extruder 10, whereby the reconstituted tobacco raw material is formed on the drum body 32 of the drum dryer 30 as the reconstructed tobacco sheet 1.
  • the drum dryer 30 dries and conveys the reconstructed tobacco sheet 1 formed on the drum main body 32.
  • the scraper 40 peels the reconstructed tobacco sheet 1 dried by the drum dryer 30 from the drum body 32.
  • the rollers 51 and 52 guide the transport of the reconstructed tobacco sheet 1 peeled off by the scraper 40.
  • the reconstituted tobacco raw material is at least one substance selected from polysaccharides (starch, dextrin, etc.) and water or alcohol (ethanol, propylene glycol, etc.) or at least self-selected as a medium of any liquid.
  • the reconstituted tobacco raw material is not limited to the above, and may contain other substances.
  • FIG. 2 is a block diagram showing an extruder of the reconstructed tobacco sheet manufacturing apparatus according to the first embodiment of the present invention.
  • FIG. 3 is a cross-sectional view taken along the line III-III shown in FIG.
  • the extruder 10 is rotatably arranged in the housing 11, the supply port 12 formed at one end of the housing 11, the extrusion port 13 formed at the other end of the housing 11, and the housing 11. It has a screw 14.
  • the reconstituted tobacco raw material supplied from the tank or the like to the extruder 10 via the supply port 12 is sent to the extrusion port 13 while being kneaded by the rotation of the screw 14, and is pressure-fed from the extrusion port 13 to the die 20.
  • the discharge speed of the reconstructed tobacco sheet 1 discharged from the die 20 is determined according to the rotation speed of the screw 14.
  • FIG. 4 is a cross-sectional view showing a die of a reconstructed tobacco sheet manufacturing apparatus according to the first embodiment of the present invention.
  • FIG. 5 is a cross-sectional view taken along the line VV shown in FIG.
  • FIG. 6 is a side view of the die shown in FIG. 4 as viewed from the discharge port side.
  • the die 20 is a housing 23 composed of a first block 21 and a second block 22, and a supply port 24 and a first block formed in the first block 21 and communicating with the extrusion port 13 of the extruder 10. It has a manifold 25 formed between the 21 and the second block 22 and in which the reconstituted tobacco raw material is stored, and a discharge port 26 communicating with the manifold 25.
  • the discharge port 26 is formed in a slit shape on one side surface of the housing 23.
  • the direction orthogonal to the longitudinal direction of the discharge port 26 is defined as the width direction of the discharge port 26.
  • the length in the longitudinal direction of the discharge port 26 is referred to as an opening length
  • the length in the width direction of the discharge port 26 is referred to as an opening width.
  • the discharge port 26 may have a hole shape or a groove shape.
  • the slit-shaped discharge port 26 adjusts the reconstituted tobacco raw material to a uniform thickness according to the opening width of the discharge port 26 when discharged from the die 20 regardless of the amount of water contained in the reconstructed tobacco raw material. , Formed into a sheet and extruded.
  • the reconstituted tobacco raw material supplied from the extruder 10 to the die 20 via the supply port 24 is sent to the discharge port 26 through the manifold 25, and is discharged from the discharge port 26 as the reconstructed tobacco sheet 1 onto the drum body 32. Will be done.
  • the drum dryer 30 has a shaft 31 and a drum body 32 that rotates about the shaft 31.
  • the drum body 32 dries the reconstructed tobacco sheet 1 by, for example, steam sent into the drum body 32.
  • the drum body 32 may be heated by a heater or the like.
  • the scraper 40 is arranged so as to face the drum main body 32 over the entire length in the width direction of the drum main body 32 orthogonal to the rotation direction of the drum main body 32, and the tip portion thereof is adjusted so as to be in contact with or close to the drum main body 32. There is.
  • the scraper 40 is arranged near the end of the drum body 32 on the downstream side in the rotation direction so that the reconstructed tobacco sheet 1 discharged on the upstream side in the rotation direction of the drum body 32 is sufficiently dried. There is.
  • the reconstructed tobacco sheet 1 discharged onto the drum body 32 from the discharge port 26 of the die 20 is dried by the drum body 32 to which steam is sent into the inside, and the dried reconstructed tobacco sheet 1 is peeled off by the scraper 40. It is handed over to the subsequent process.
  • the subsequent step is, for example, a step of cutting the reconstructed tobacco sheet 1 to a desired width, or a step of winding the cut reconstructed tobacco sheet onto a bobbin.
  • the reconstructed tobacco sheet manufacturing apparatus includes a die for discharging the reconstructed tobacco raw material and a main drum for drying and transporting the reconstructed tobacco raw material discharged from the die.
  • the die comprises a housing, a supply port formed in the housing to supply the reconstituted tobacco material, and a discharge port formed on one side of the housing to discharge the reconstituted tobacco material. Therefore, regardless of the amount of water contained in the reconstituted tobacco raw material, a reconstructed tobacco sheet having a uniform thickness can be obtained by a simple manufacturing process.
  • FIG. 7 is a plan view showing a reconstructed tobacco sheet manufacturing apparatus according to a second embodiment of the present invention.
  • the reconstructed tobacco sheet manufacturing apparatus 100A includes X extruders 10A to 10X and X dies 20A to 20X in place of the extruder 10 and die 20 shown in FIG.
  • X may be 2 or more.
  • X dies 20A to 20X may be connected to one extruder 10. Since other configurations are the same as those of the first embodiment described above, the description thereof will be omitted.
  • Extruders 10A to 10X are connected to dies 20A to 20X, respectively. Further, the dies 20A to 20X are arranged along the longitudinal direction of the discharge port 26.
  • the extruders 10A to 10X pump the reconstituted tobacco raw materials supplied from a tank or the like (not shown) to the dies 20A to 20X, respectively.
  • the dies 20A to 20X discharge the reconstituted tobacco raw materials supplied from the extruders 10A to 10X onto the drum main body 32, respectively.
  • the reconstructed tobacco in the above-mentioned latter step by adjusting the opening length of the discharge port 26 of the dies 20A to 20X to the width of the bobbin around which the reconstructed tobacco sheet 1 is wound in the above-mentioned subsequent step, the reconstructed tobacco in the above-mentioned latter step.
  • the step of cutting the sheet 1 to a desired width becomes unnecessary.
  • compositions of the reconstituted tobacco raw materials supplied to the extruders 10A to 10X different from each other, it is possible to manufacture a plurality of types of reconstructed tobacco sheets 1 with one drum dryer 30. Further, by selectively driving the set of the extruders 10A to 10X and the dies 20A to 20X, the manufacturing capacity of the reconstructed tobacco sheet manufacturing apparatus 100A can be easily adjusted.
  • a plurality of dies are arranged along the longitudinal direction of the discharge port. Therefore, the step of cutting the obtained reconstructed tobacco sheet to a desired width can be omitted.
  • the opening width of the discharge port 26 of the die 20 is constant, but in the reconstructed tobacco sheet manufacturing apparatus according to the third embodiment of the present invention, the die 20 has the opening width of the discharge port 26.
  • the variable width mechanism is, for example, a screw.
  • the variable width mechanism changes the opening width of the discharge port 26 by adjusting the gap between the first block 21 and the second block 22 shown in FIG. 6 according to the tightening amount of the screw.
  • a plurality of screws may be provided so that the opening width of the discharge port 26 is different between the end portion and the center portion in the longitudinal direction of the discharge port 26. If the opening length of the discharge port 26 is larger than the opening width of the discharge port 26, the discharge state may differ in the longitudinal direction of the discharge port 26.
  • the variable width mechanism may have an actuator such as a motor for driving a screw.
  • the die has a variable width mechanism capable of changing the length in the width direction of the discharge port. Therefore, it is possible to obtain a reconstructed tobacco sheet having a plurality of thicknesses without changing the die.
  • the opening width of the discharge port so that the flow velocity of the reconstructed tobacco raw material at the discharge port of the die becomes uniform in the longitudinal direction of the discharge port, the occurrence of wrinkles is suppressed and the reconstructed tobacco sheet can be obtained. Can be molded flat.
  • FIG. 8 is a side view showing a reconstructed tobacco sheet manufacturing apparatus according to a fourth embodiment of the present invention.
  • the reconstructed tobacco sheet manufacturing apparatus 100B includes three extruders 61 to 63 and a die 70 in place of the extruder 10 and the die 20 shown in FIG.
  • the number of extruders is not limited to three, and may be two or more. Since other configurations are the same as those of the first embodiment described above, the description thereof will be omitted.
  • the extruders 61 to 63 are connected to the die 70.
  • Raw materials are supplied to the extruders 61 to 63 from tanks and the like (not shown). At least one of the raw materials supplied to the extruders 61-63 contains a reconstituted tobacco raw material. Further, the raw materials supplied to the extruders 61 to 63 may be different raw materials from each other or may contain the same raw materials.
  • the extruders 61 to 63 pump the supplied raw material to the die 70 using a screw or the like (not shown).
  • the die 70 has a plurality of supply ports 71 to 73 to which a plurality of raw materials are supplied from the extruders 61 to 63, and a discharge port 74 formed in a slit shape on one side surface of the die 70.
  • the raw materials supplied from the extruders 61 to 63 via the supply ports 71 to 73 are spread by a manifold (not shown) and then merged in the vicinity of the discharge port 74 to form a laminated reconstructed tobacco sheet. 1 is discharged onto the drum body 32.
  • the die 70 may have a plurality of raw materials merged in the manifold.
  • the reconstructed tobacco sheet 1 having a simple structure and having a multi-layered structure can be obtained by omitting the sheet bonding step. Further, by forming the sheet in multiple layers before drying the reconstructed tobacco sheet 1 with the drum dryer 30, the adhesion of each layer can be strengthened. Furthermore, by inserting a sheet that suppresses stickiness into the multi-layered sheet, the reconstructed tobacco sheet 1 can be wound onto the bobbin and from the bobbin without taking measures such as dusting and release paper. The feeding can be easily performed.
  • the die has a plurality of supply ports to which a plurality of raw materials are supplied, and the plurality of raw materials are laminated and discharged from the discharge port. Therefore, the step of laminating a plurality of sheets can be omitted.
  • FIG. 9 is a side view of the die of the reconstructed tobacco sheet manufacturing apparatus according to the fifth embodiment of the present invention as viewed from the discharge port side.
  • the die 20 further has a partition 27 that divides the discharge port 26 into a plurality of regions along the longitudinal direction of the discharge port 26. That is, in FIG. 9, the slit-shaped discharge port 26 shown in FIG. 6 is intermittently opened. Since other configurations are the same as those of the first embodiment described above, the description thereof will be omitted.
  • the reconstituted tobacco raw material supplied from the extruder 10 to the die 20 via the supply port 24 is sent to the discharge port 26 through the manifold 25, and is discharged from the discharge port 26 as the reconstructed tobacco sheet 1 onto the drum body 32. Will be done.
  • the discharge port 26 is intermittently opened, the discharged reconstructed tobacco sheet 1 is already formed into a strip shape. Therefore, the reconstructed tobacco sheet 1 dried by the drum dryer 30 can be recovered as a strand as it is after the drying is completed.
  • the die has a partition portion that divides the discharge port into a plurality of regions along the longitudinal direction of the discharge port. Therefore, the step of stranding the sheet can be omitted. Further, in the present invention, it is effective to use the die 20 having the partition portion 27 because the shape of the discharged reconstructed tobacco sheet is stable even before drying.
  • FIG. 10 is a side view of the die of the reconstructed tobacco sheet manufacturing apparatus according to the sixth embodiment of the present invention as viewed from the discharge port side.
  • the die 20 further has at least one raised portion 28 that faces the width direction of the discharge port 26 along the longitudinal direction of the discharge port 26.
  • the cross-sectional shape of the raised portion 28 may be a triangle, a rectangle, a sinusoidal waveform, a T-shape, or the like. That is, in FIG. 10, the slit-shaped discharge port 26 shown in FIG. 6 is an opening having two widths, that is, the apex of the raised portion 28 or the side including the apex and the bottom of the raised portion 28. Since other configurations are the same as those of the first embodiment described above, the description thereof will be omitted.
  • the reconstituted tobacco raw material supplied from the extruder 10 to the die 20 via the supply port 24 is sent to the discharge port 26 through the manifold 25, and is discharged from the discharge port 26 as the reconstructed tobacco sheet 1 onto the drum body 32. Will be done.
  • the discharged reconstructed tobacco sheet 1 is already formed with strips having a cross-sectional shape corresponding to the raised portion 28. Therefore, the reconstructed tobacco sheet 1 dried by the drum dryer 30 can be recovered as the reconstructed tobacco sheet 1 in which the strips are formed as it is after the drying is completed.
  • the die has at least one raised portion that faces the width direction of the discharge port along the longitudinal direction of the discharge port. Therefore, the reconstructed tobacco sheet can be reconstructed while omitting the step of passing the reconstructed tobacco sheet between the paired rollers and pressing the zigzag or corrugated shape, which has been performed with the conventional reconstructed tobacco sheet.
  • Surface treatment eg, embossing
  • FIG. 12 is a side view showing a reconstructed tobacco sheet manufacturing apparatus according to a seventh embodiment of the present invention.
  • the reconstructed tobacco sheet manufacturing apparatus 100C includes a drum dryer (secondary drum) 35 and a scraper 45 in addition to the reconstructed tobacco sheet manufacturing apparatus 100 shown in FIG. Since other configurations are the same as those of the first embodiment described above, the description thereof will be omitted.
  • the drum dryer 35 is arranged after the drum dryer 30 and is used in combination with the drum dryer 30.
  • the drum dryer 35 has a shaft 36 and a drum body 37 that rotates about the shaft 36.
  • the drum body 37 is heated, for example, by steam sent into the drum body 37.
  • the drum body 37 may be heated by a heater or the like. Further, the drum dryer 30 and the drum dryer 35 are configured so that the temperature can be adjusted independently.
  • the drum dryer 35 receives the reconstructed tobacco sheet 1 dried by the drum dryer 30 and peeled off by the scraper 40, and further dries and conveys the reconstructed tobacco sheet 1.
  • the scraper 45 peels the reconstructed tobacco sheet 1 dried by the drum dryer 35 from the drum body 37.
  • the drying distance of the reconstructed tobacco sheet 1 can be extended, and the drying capacity of the reconstructed tobacco sheet manufacturing apparatus 100C can be improved. Therefore, it is possible to cope with a reconstituted tobacco raw material having a large amount of water.
  • the respective drum diameters are set to 1. It can be halved the drum diameter of one drum dryer. That is, the total volume of the two drum dryers can be reduced to half that of one drum dryer. Therefore, when two drum dryers are used, the required heat energy can be reduced to half that when one drum dryer is used.
  • the sub-drum used in combination with the main drum is further provided, and the sub-drum is arranged after the main drum, and the reconstructed tobacco raw material conveyed by the main drum is used. Receive from the main drum and carry it further. Therefore, the reconstituted tobacco raw material dried and transported by the main drum can be further treated while extending the transport distance of the reconstituted tobacco raw material.
  • the sub-drum is a drum dryer, but the sub-drum is not limited to this, and the sub-drum may be a cooling drum for cooling the reconstructed tobacco sheet 1 dried by the drum dryer 30.
  • FIG. 13 is a side view showing a reconstructed tobacco sheet manufacturing apparatus according to an eighth embodiment of the present invention.
  • the reconstructed tobacco sheet manufacturing apparatus 100D includes a drum dryer (secondary drum) 35 in addition to the reconstructed tobacco sheet manufacturing apparatus 100 shown in FIG. Since other configurations are the same as those of the first embodiment described above, the description thereof will be omitted.
  • the drum dryer 35 is arranged to face the drum dryer 30 and is used in combination with the drum dryer 30.
  • the drum dryer 35 has a shaft 36 and a drum body 37 that rotates about the shaft 36.
  • the shaft 36 is configured so that the gap between the drum dryer 30 and the drum dryer 35 can be arbitrarily adjusted by a drive mechanism (not shown).
  • the drum body 37 is heated by, for example, steam sent into the drum body 37.
  • the drum body 37 may be heated by a heater or the like.
  • the drum dryer 30 and the drum dryer 35 are configured so that the temperature can be adjusted independently.
  • the drum dryer 35 dries and conveys the reconstructed tobacco sheet 1 formed on the drum body 32 in cooperation with the drum dryer 30.
  • the reconstructed tobacco sheet 1 conveyed by the drum dryer 30 and the drum dryer 35 is compressed as it passes through the gap between the drum dryer 30 and the drum dryer 35.
  • the density of the reconstructed tobacco sheet 1 is reduced by the compaction effect of the drum dryer 30 and the drum dryer 35 at the time of ejection from the die 20. Can be enhanced. Further, by adjusting the gap between the drum dryer 30 and the drum dryer 35, it is possible to control the thickness of the reconstructed tobacco sheet 1 that has passed through the gap between the drum dryer 30 and the drum dryer 35.
  • the compaction effect of the drum dryer 30 and the drum dryer 35 causes the reconstructed tobacco according to the distribution of the ejection speed at the time of ejection from the die 20. Wrinkles and the like generated on the sheet 1 can be eliminated.
  • embossing the surface of the drum body 37 when the reconstructed tobacco sheet 1 passes through the gap between the drum dryer 30 and the drum dryer 35, the surface of the reconstructed tobacco sheet 1 is embossed. And the specific surface area can be expanded.
  • the processing performed on the surface of the drum body 37 is not limited to the embossing processing, and may be slit processing or the like for cutting the reconstructed tobacco sheet 1.
  • the sub-drum used in combination with the main drum is further provided, and the sub-drum is arranged to face the main drum and is discharged from the die in cooperation with the main drum. Transport the reconstituted tobacco raw material. Therefore, in cooperation with the main drum, the reconstituted tobacco raw material dried and transported by the main drum can be further treated.
  • FIG. 14 is a side view showing a reconstructed tobacco sheet manufacturing apparatus according to a ninth embodiment of the present invention.
  • the reconstructed tobacco sheet manufacturing apparatus 100E includes an extruder 10 and a die 20 provided in the drum dryer 35 in addition to the reconstructed tobacco sheet manufacturing apparatus 100D shown in FIG. Since other configurations are the same as those of the eighth embodiment described above, the description thereof will be omitted.
  • the extruder 10 provided in the drum dryer 35 is supplied with raw materials supplied from a tank or the like (not shown).
  • the raw material supplied to the extruder 10 may or may not contain the reconstituted tobacco raw material.
  • the extruder 10 pumps the supplied raw material to the die 20 using a screw or the like (not shown).
  • the die 20 provided in the drum dryer 35 forms the raw material supplied from the extruder 10 into a sheet shape and discharges the raw material onto the drum main body 37.
  • the sheets discharged from each of the die 20 provided in the drum dryer 30 and the die 20 provided in the drum dryer 35 are multi-layered when passing through the gap between the drum dryer 30 and the drum dryer 35.
  • the sheets having different characteristics are bonded by passing the sheets discharged from the dies 20 provided in the drum dryer 30 and the drum dryer 35 through the gap between the drum dryer 30 and the drum dryer 35.
  • the adhesion of each layer can be strengthened by making the sheets multi-layered before drying the tobacco sheet 1 reconstructed by the drum dryer 30 and the drum dryer 35. Further, by adjusting the gap between the drum dryer 30 and the drum dryer 35, it is possible to control the thickness of the reconstructed tobacco sheet 1 that has passed through the gap between the drum dryer 30 and the drum dryer 35.
  • the sub-drum used in combination with the main drum and the die having the same configuration as the die provided on the main drum and discharging the discharge material to the sub-drum. Further prepare. Therefore, the step of laminating a plurality of sheets can be omitted.
  • Tenth embodiment In the reconstructed tobacco sheet manufacturing apparatus according to the tenth embodiment of the present invention, the characteristics of the surface of the drum body 32 of the drum dryer 30 and the drum body 37 of the drum dryer 35 shown in the first embodiment and the like are obtained. Surface modification treatment is applied for improvement.
  • the improvement of the characteristics is the improvement of wear resistance, corrosion resistance, peeling / releasability, and thermal conductivity
  • the surface modification treatment is a chemical treatment such as plating or a physical treatment such as blasting. including. Examples of specific characteristics and surface modification treatment are shown in Tables 1 to 6. As a result, the surface characteristics of the drum body 32 of the drum dryer 30 and the drum body 37 of the drum dryer 35 are improved, and the usability and durability of the device can be improved.
  • ⁇ indicates that it can be applied as a surface treatment regardless of the conditions of the extruded material or the apparatus. Further, in Tables 1 to 6, ⁇ indicates that it can be applied as a surface treatment if either the extruded material or the conditions of the apparatus are met. Further, in Tables 1 to 6, ⁇ indicates that it can be applied as a surface treatment if both the conditions of the extruded material and the apparatus are met.
  • the main drum is subjected to surface modification treatment. Therefore, the characteristics of the surface of the main drum can be improved.
  • the surface modification treatment may be applied to the sub drum, not limited to the main drum.
  • FIG. 15 is a side view showing a reconstructed tobacco sheet manufacturing apparatus according to the eleventh embodiment of the present invention.
  • the reconstructed tobacco sheet manufacturing apparatus 100F includes a hot air blower (auxiliary drying apparatus) 80 in addition to the reconstructed tobacco sheet manufacturing apparatus 100 shown in FIG. Since other configurations are the same as those of the first embodiment described above, the description thereof will be omitted.
  • the hot air blower 80 is arranged on the drying path of the drum dryer 30 so as to face the drum main body 32 of the drum dryer 30.
  • the hot air blower 80 sends hot air to dry the reconstructed tobacco sheet 1 discharged onto the drum body 32 from the discharge port 26 of the die 20 from the surface side of the reconstructed tobacco sheet 1.
  • the surface of the reconstructed tobacco sheet 1 is a surface that is not in contact with the drum body 32 of the reconstructed tobacco sheet 1.
  • the hot air blower 80 is configured so that the drying capacity can be adjusted by unique parameters such as air volume, output, and hot air temperature. Further, the hot air temperature can be set to a temperature equal to or higher than normal temperature.
  • the drying capacity of the reconstructed tobacco sheet manufacturing apparatus 100F can be improved. Therefore, with a simple structure, it is possible to cope with a reconstituted tobacco raw material having a large amount of water. Further, by using the hot air blower 80, both sides of the reconstructed tobacco sheet 1 can be dried at the same time.
  • an auxiliary drying device is further provided, which is arranged to face the main drum and dries the reconstituted tobacco raw material discharged from the die. Therefore, the drying capacity of the reconstructed tobacco sheet manufacturing apparatus can be improved.
  • the auxiliary drying device is a hot air blower, but the present invention is not limited to this, and the auxiliary drying device may be an IR heater. Further, instead of the auxiliary drying device, a cooling device that sends cold air to the reconstructed tobacco sheet 1 may be provided.
  • FIG. 16 is a side view showing a reconstructed tobacco sheet manufacturing apparatus according to a twelfth embodiment of the present invention.
  • FIG. 17 is a block diagram showing an opening width control in the reconstructed tobacco sheet manufacturing apparatus according to the twelfth embodiment of the present invention.
  • the reconstructed tobacco sheet manufacturing apparatus 100G includes a thickness detection sensor (state detection unit) 91 and a PLC (control unit) 200 in addition to the reconstructed tobacco sheet manufacturing apparatus 100 shown in FIG. To be equipped.
  • the die 20 of the reconstructed tobacco sheet manufacturing apparatus 100G has a variable width mechanism 92 that can change the opening width of the discharge port 26 by using a motor as an actuator as shown in the third embodiment described above. Since other configurations are the same as those of the first embodiment described above, the description thereof will be omitted.
  • the thickness detection sensor 91 is provided in the vicinity of the discharge port 26.
  • the thickness detection sensor 91 detects the thickness of the reconstructed tobacco sheet 1 ejected from the die 20 in a non-contact manner by using X-rays, a laser, ultrasonic waves, or the like, and outputs an electric signal as a thickness measurement value by PLC ( Output to programmable logical controller) 200.
  • PLC Output to programmable logical controller
  • the PLC 200 may be built in the reconstructed tobacco sheet manufacturing apparatus 100G, or may be provided at a distance.
  • the difference between the thickness setting value and the thickness measurement value is based on the thickness setting value which is the desired thickness of the reconstructed tobacco sheet 1 and the thickness measurement value from the thickness detection sensor 91.
  • a control command is output to the variable width mechanism 92 so that it becomes zero, and the motor is controlled. As a result, the opening width of the discharge port 26 is changed, and the thickness of the reconstructed tobacco sheet 1 discharged from the die 20 changes.
  • the sheet When the reconstructed tobacco sheet 1 is discharged from the die 20, the sheet may expand due to pressure release, and the thickness of the reconstructed tobacco sheet 1 may not match the opening width of the discharge port 26. Therefore, the thickness of the reconstructed tobacco sheet 1 can be adjusted to a desired thickness by feedback-controlling the opening width of the discharge port 26 with respect to the uncontrollable element of pressure release.
  • the reconstructed tobacco sheet 1 includes a step of supplying the reconstructed tobacco raw material to the supply port 24 of the die 20, a step of forming the reconstructed tobacco raw material into a sheet from the discharge port 26 of the die 20, and discharging the die. Based on the step of detecting the state (thickness) of the reconstituted tobacco raw material discharged from No. 20, the step of outputting an electric signal according to the detected state of the reconstituted tobacco raw material, and the output electric signal. It is manufactured by a manufacturing method including a step of controlling a variable width mechanism 92, which is an actuator for changing the state of the reconstructed tobacco raw material, and changing the state of the reconstructed tobacco raw material.
  • the die has a variable width mechanism capable of changing the width direction length of the discharge port as an actuator, and the state detection unit is a reconstructed cigarette discharged from the die.
  • the thickness of the raw material is detected, and the control unit controls the variable width mechanism based on the detection result by the state detection unit to change the length of the discharge port in the width direction. Therefore, the thickness of the reconstructed tobacco sheet can be adjusted to a desired thickness.
  • FIG. 18 is a side view showing a reconstructed tobacco sheet manufacturing apparatus according to the thirteenth embodiment of the present invention.
  • FIG. 19 is a block diagram showing discharge rate control in the reconstructed tobacco sheet manufacturing apparatus according to the thirteenth embodiment of the present invention.
  • the reconstructed tobacco sheet manufacturing apparatus 100H includes a flow rate sensor (state detection unit) 93 and a PLC (control unit) 200 in addition to the reconstructed tobacco sheet manufacturing apparatus 100 shown in FIG. ..
  • the screw 14 rotatably arranged in the housing 11 of the extruder 10 has a function as an actuator. Since other configurations are the same as those of the first embodiment described above, the description thereof will be omitted.
  • the flow rate sensor 93 is provided in the vicinity of the discharge port 26.
  • the flow rate sensor 93 detects the flow rate of the reconstructed tobacco sheet 1 discharged from the die 20 in a non-contact manner using a laser or the like, and outputs an electric signal to the PLC 200 as a flow rate measurement value.
  • the flow rate measurement value is used as a value for estimating the discharge speed of the reconstructed tobacco sheet 1 discharged from the die 20.
  • the PLC 200 may be built in the reconstructed tobacco sheet manufacturing apparatus 100H, or may be provided at a distance.
  • the PLC 200 is screwed so that the difference between the flow rate set value and the flow rate measured value becomes zero based on the flow rate set value which is the desired flow rate of the reconstructed tobacco sheet 1 and the flow rate measured value from the flow rate sensor 93.
  • a control command is output to 14 to control the rotation of the screw 14. As a result, the ejection speed of the reconstructed tobacco sheet 1 ejected from the die 20 changes.
  • the discharge speed of the reconstructed tobacco sheet 1 discharged from the die 20 varies to some extent due to the swell of the screw 14. Therefore, by feedback-controlling the discharge speed of the reconstructed tobacco sheet 1, the discharge speed of the reconstructed tobacco sheet 1 discharged from the die 20 can be kept within a certain range. Further, by keeping the discharge speed of the reconstructed tobacco sheet 1 constant, it is possible to prevent the reconstructed tobacco sheet 1 from dubbing on the drum dryer 30 and to prevent the reconstructed tobacco sheet 1 from being torn off due to an increase in tension. Can be done. Further, by keeping the discharge speed of the reconstructed tobacco sheet 1 constant, it is possible to suppress the variation in the thickness of the sheet due to the pressure release and stabilize the quality of the reconstructed tobacco sheet 1.
  • the reconstructed tobacco sheet 1 includes a step of supplying the reconstructed tobacco raw material to the supply port 24 of the die 20, a step of forming the reconstructed tobacco raw material into a sheet from the discharge port 26 of the die 20, and discharging the die.
  • an extruder for pumping the reconstituted tobacco raw material to the die is further provided, and the extruder has a screw rotatably arranged in the housing as an actuator.
  • the state detection unit detects at least one of the discharge pressure of the reconstituted tobacco raw material inside the die and the flow rate of the reconstituted tobacco raw material discharged from the die, and the control unit detects at least one of the detection results of the screw based on the detection result by the state detection unit.
  • the rotation is controlled to change the discharge rate of the reconstituted tobacco raw material discharged from the die. Therefore, the discharge speed of the reconstructed tobacco sheet discharged from the die can be kept constant.
  • the discharge pressure of the reconstructed tobacco sheet 1 discharged from the die 20 is applied to the vicinity of the discharge port 26 or the inside of the die 20.
  • a discharge pressure sensor for detection may be provided.
  • the discharge pressure detected by the discharge pressure sensor can be used as a value for estimating the discharge speed of the reconstructed tobacco sheet 1 discharged from the die 20.
  • the reconstructed tobacco sheet 1 includes a step of supplying the reconstructed tobacco raw material to the supply port 24 of the die 20 and a step of forming the reconstructed tobacco raw material into a sheet from the discharge port 26 of the die 20 and discharging the reconstructed tobacco sheet 1.
  • a manufacturing method including a step of outputting the Manufactured.
  • FIG. 20 is a side view showing a reconstructed tobacco sheet manufacturing apparatus according to the 14th embodiment of the present invention.
  • FIG. 21 is a block diagram showing hot air temperature control in the reconstructed tobacco sheet manufacturing apparatus according to the 14th embodiment of the present invention.
  • the reconstructed tobacco sheet manufacturing apparatus 100I includes a water content sensor (state detection unit) 94 and a PLC (control unit) 200 in addition to the reconstructed tobacco sheet manufacturing apparatus 100 shown in FIG. Be prepared. Further, the reconstructed tobacco sheet manufacturing apparatus 100I has the hot air blower (auxiliary drying apparatus) 80 shown in the eleventh embodiment described above as an actuator. Since other configurations are the same as those of the first embodiment described above, the description thereof will be omitted.
  • the water content sensor 94 is provided after the scraper 40.
  • the water content sensor 94 uses infrared rays, microwaves, or the like to detect the water content of the reconstructed tobacco sheet 1 peeled off by the scraper 40 in a non-contact manner, and outputs an electric signal to the PLC 200 as a water content measurement value.
  • the hot air blower 80 is arranged on the drying path of the drum dryer 30 so as to face the drum main body 32 of the drum dryer 30.
  • the PLC 200 may be built in the reconstructed tobacco sheet manufacturing apparatus 100I, or may be provided at a distance.
  • the difference between the water content setting value and the water content measurement value is zero based on the water content setting value which is the desired water content of the reconstructed tobacco sheet 1 and the water content measurement value from the water content sensor 94.
  • a control command is output to the hot air blower 80 to control the temperature of the hot air sent from the hot air blower 80.
  • the water content of the reconstructed tobacco sheet 1 dried by the drum dryer 30 and the hot air blower 80 changes.
  • the water content of the reconstructed tobacco sheet 1 dried by the drum dryer 30 and the hot air blower 80 varies depending on the environment, the season, and the like. Therefore, by feedback-controlling the water content of the reconstructed tobacco sheet 1, the water content of the reconstructed tobacco sheet 1 dried by the drum dryer 30 and the hot air blower 80 can be kept within a certain range. As a result, the quality of the reconstructed tobacco sheet 1 can be stabilized. Further, since the hot air blower 80 has higher responsiveness and is easier to control than the drum dryer 30, the water content of the reconstructed tobacco sheet 1 can be controlled in detail. Further, since the water content of the reconstructed tobacco sheet 1 can be automatically controlled, it is possible to eliminate the need for constant monitoring by the operator.
  • the reconstructed tobacco sheet 1 includes a step of supplying the reconstructed tobacco raw material to the supply port 24 of the die 20, a step of forming the reconstructed tobacco raw material into a sheet from the discharge port 26 of the die 20, and discharging the die. Based on the step of detecting the state (moisture content) of the reconstituted tobacco raw material discharged from No. 20, the step of outputting an electric signal according to the detected state of the reconstituted tobacco raw material, and the output electric signal. It is manufactured by a manufacturing method including a step of controlling a hot air blower 80, which is an actuator for changing the state of the reconstituted tobacco raw material, and changing the state of the reconstructed tobacco raw material.
  • the reconstructed tobacco raw material discharged from the die is dried and transported, and the reconstructed tobacco raw material disposed facing the drum and discharged from the die is dried.
  • the state detection unit detects the water content of the reconstituted tobacco raw material dried by the drum and the auxiliary drying device, and the control unit assists based on the detection result by the state detection unit.
  • the drying device is controlled to change the moisture content of the reconstituted tobacco raw material dried by the drum and the auxiliary drying device. Therefore, the water content of the reconstructed tobacco sheet dried by the drum and the auxiliary drying device can be kept within a certain range.

Landscapes

  • Manufacture Of Tobacco Products (AREA)

Abstract

Dispositif de fabrication d'une feuille de tabac reconstitué comprenant une matrice qui décharge une matière première de tabac reconstitué. La matrice comporte un boîtier, un orifice d'alimentation à travers duquel la matière première de tabac reconstitué est fournie et qui est formé dans le boîtier, et un orifice de décharge à travers duquel la matière première de tabac reconstitué est évacuée et qui est formé dans une surface latérale du boîtier. Le dispositif de fabrication d'une feuille de tabac reconstitué comprend en outre une unité de détection d'état qui détecte l'état de la matière première de tabac reconstitué à l'intérieur de la matrice ou l'état de la matière première de tabac reconstitué évacuée de la matrice, et une unité de commande qui commande le fonctionnement du dispositif pour fabriquer une feuille de tabac reconstitué. L'unité de détection d'état délivre, à l'unité de commande, un signal électrique qui correspond au résultat de la détection de l'état de la matière première de tabac reconstitué.
PCT/JP2021/023587 2020-07-20 2021-06-22 Dispositif et procédé de fabrication de feuille de tabac reconstitué WO2022019032A1 (fr)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2024004018A1 (fr) * 2022-06-28 2024-01-04 日本たばこ産業株式会社 Dispositif de fabrication, et procédé de fabrication, de feuille de tabac reconstitué

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Publication number Priority date Publication date Assignee Title
JPS63192369A (ja) * 1987-01-23 1988-08-09 アール・ジエイ・レノルズ・タバコ・カンパニー タバコ材の加工
JPH07265042A (ja) * 1994-03-30 1995-10-17 Japan Tobacco Inc 圧延シートの成形機及びその成形方法
JP2012000002A (ja) * 2008-10-10 2012-01-05 Japan Tobacco Inc シートたばこの製造方法および製造装置
WO2014020699A1 (fr) * 2012-07-31 2014-02-06 日本たばこ産業株式会社 Dispositif de mesure de poids de tabac en feuille, procédé de mesure de celui-ci, système de fabrication de tabac en feuille et procédé de fabrication de celui-ci
JP2019520036A (ja) 2016-05-31 2019-07-18 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム キャストシートの厚さをチェックするためのキャスティング装置および方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63192369A (ja) * 1987-01-23 1988-08-09 アール・ジエイ・レノルズ・タバコ・カンパニー タバコ材の加工
JPH07265042A (ja) * 1994-03-30 1995-10-17 Japan Tobacco Inc 圧延シートの成形機及びその成形方法
JP2012000002A (ja) * 2008-10-10 2012-01-05 Japan Tobacco Inc シートたばこの製造方法および製造装置
WO2014020699A1 (fr) * 2012-07-31 2014-02-06 日本たばこ産業株式会社 Dispositif de mesure de poids de tabac en feuille, procédé de mesure de celui-ci, système de fabrication de tabac en feuille et procédé de fabrication de celui-ci
JP2019520036A (ja) 2016-05-31 2019-07-18 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム キャストシートの厚さをチェックするためのキャスティング装置および方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024004018A1 (fr) * 2022-06-28 2024-01-04 日本たばこ産業株式会社 Dispositif de fabrication, et procédé de fabrication, de feuille de tabac reconstitué

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