CN113647665A - Far infrared smoked sheet heating tunnel furnace and control method thereof - Google Patents
Far infrared smoked sheet heating tunnel furnace and control method thereof Download PDFInfo
- Publication number
- CN113647665A CN113647665A CN202111052732.1A CN202111052732A CN113647665A CN 113647665 A CN113647665 A CN 113647665A CN 202111052732 A CN202111052732 A CN 202111052732A CN 113647665 A CN113647665 A CN 113647665A
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- far infrared
- temperature
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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
- A24B3/12—Steaming, curing, or flavouring tobacco
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/02—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces
- F26B17/04—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces the belts being all horizontal or slightly inclined
- F26B17/045—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces the belts being all horizontal or slightly inclined the material on the belt being agitated, dispersed or turned over by mechanical means, e.g. by vibrating the belt, by fixed, rotating or oscillating elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/12—Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/16—Chambers, containers, receptacles of simple construction mainly closed, e.g. drum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/22—Tobacco leaves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a far infrared smoked sheet heating tunnel furnace and a control method thereof, and the far infrared smoked sheet heating tunnel furnace comprises a far infrared furnace body (1), a far infrared heating element (2), a conveying mesh belt (3), a rolling shaft (4), a variable frequency motor (5), a blanking baffle (6) and an observation window (7), and is characterized in that: the far infrared furnace body comprises a top wall and two side walls, a plurality of far infrared heating elements are installed at the top in the furnace body, an observation window is arranged on the side wall of the furnace body, a rolling shaft is connected with a variable frequency motor through a transmission element, two blanking baffles are arranged on the outer side of the conveying mesh belt, a groove body structure is formed between the conveying mesh belt and the two blanking baffles, the variable frequency motor is installed on the outer side of the blanking baffles, and the blanking baffles are located on the inner side of the side wall of the furnace body. The invention can improve the temperature of the tobacco flakes under the condition of not changing the moisture of the tobacco flakes, reduce the temperature difference between the temperature of the tobacco flakes and the environment in the feeding cylinder of the feeding machine, reduce the temperature fluctuation of hot air in the feeding cylinder and accelerate the internal environment of the roller to reach a stable state from an unstable state, thereby improving the stability of the moisture at the outlet and the temperature at the outlet.
Description
Technical Field
The invention relates to the technical field of tobacco manufacturing and processing, in particular to a far infrared tobacco flake heating tunnel furnace and a control method thereof.
Background
The leaf feeder is an important device in the tobacco-making line, the function of the leaf feeder is to feed tobacco flakes, meet various requirements of aroma enhancement, moisture retention, mildew prevention and the like, and because the tobacco flakes are required to be heated simultaneously in the feeding process, the tobacco leaf cells can better absorb feed liquid, so that whether the feed liquid really enters the tobacco leaves instead of floating on the surface is judged, and the standard reaching and the stability of the temperature become key indexes.
To improving the smoked sheet temperature, generally adopt the mode of feeder "hot-blast + steam compensation" to realize the purpose, rely on feeder hot air system to blow hot-blastly in to the barrel from the feed end, and steam compensation is through the steam volume of accurate control steam shower nozzle injection advance in the barrel, heat the fine tuning that realizes the temperature to the material. However, this mode of adjusting the temperature of the tobacco flakes in the actual production process has corresponding disadvantages: mainly focuses on the following aspects: firstly, the temperature difference between the supplied tobacco flakes and the hot air in the charging machine cylinder is large, the tobacco flakes are heated by utilizing the hot air and the steam in the cylinder based on a heat conduction method, the matching requirement on indexes such as flow, moisture and the like of the supplied tobacco flakes is high, the severe fluctuation of the hot air temperature is easily caused, the instability of the moisture at an outlet is caused, and the fault tolerance rate is low; secondly, the mode of 'hot air + steam compensation' has the disadvantage that the steam directly sprayed in the cylinder always contains moisture in the 'steam compensation' mode, and the moisture at the outlet of the tobacco flakes can be directly increased.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a far infrared tobacco flake heating tunnel furnace and a control method thereof. The traditional tobacco flake heating mode is mainly used for heating through heat conduction, and heat is transferred to tobacco flakes through contact of the outside of an object or contact of hot air and heat conduction. The principle of far infrared heating is essentially the radiation heat transfer process of infrared rays, and infrared rays as electromagnetic waves have certain penetrability and can transfer energy through radiation. When the wavelength of infrared ray radiated by the infrared radiation source is consistent with that of the heated object, the heated object absorbs a large amount of infrared energy, so that atoms and molecules in the object generate resonance, and generate friction and heat, thereby increasing the temperature of the heated object and achieving the purpose of quickly and effectively heating the object. Since the infrared radiation absorbing range of the components of tobacco is mainly concentrated on the far infrared band, the infrared heating technology is mainly applied to far infrared radiation in the industry.
According to the far infrared smoked sheet heating tunnel furnace and the control method thereof, the temperature of the smoked sheets can be increased under the condition that the moisture of the smoked sheets is not changed, the temperature difference between the temperature of the smoked sheets and the environment in the charging cylinder of the charging machine is reduced, the temperature fluctuation of hot air in the charging cylinder is reduced, the internal environment of the roller is accelerated to reach a stable state from an unstable state, and therefore the stability of the moisture at the outlet and the temperature at the outlet is improved.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a far infrared smoked sheet heating tunnel furnace, its includes far infrared furnace body (1), far infrared heating element (2), conveying mesh belt (3), roller bearing (4), inverter motor (5), blanking baffle (6), observation window (7), its characterized in that: the far infrared furnace body is a vault structure and comprises a top wall and two side walls, a plurality of far infrared heating elements are installed at the top in the furnace body, the side wall of the furnace body is provided with an observation window, the observation window can be used as an entrance and an exit for maintaining or replacing the far infrared heating elements at the same time, the conveying mesh belt is wound on a roller, the roller is connected with a variable frequency motor through a transmission element, the outer side of the conveying mesh belt is provided with two blanking baffles, a groove body structure is formed between the conveying mesh belt and the two blanking baffles, the variable frequency motor is installed on the outer side of the blanking baffles, the blanking baffles are located on the inner side of the side wall of the furnace body, and one or more first temperature sensors are arranged in the far infrared furnace body.
Furthermore, the whole furnace body is made of stainless steel, and the far infrared heating element is an SHQ opal quartz far infrared heater; the conveying mesh belt (3) is a metal mesh belt made of stainless steel.
Further, one or more second temperature sensors are arranged in the charging barrel of the tobacco leaf charging machine.
A control method of a far infrared smoked sheet heating tunnel furnace is characterized by comprising the following steps:
(1) setting the difference between the temperature in the far infrared furnace body (1) and the temperature in the feeding cylinder of the tobacco leaf feeding machine as a preset temperature, detecting the actual temperature in the far infrared furnace body and the actual temperature in the feeding cylinder by a temperature sensor, and setting the difference between the two actual temperatures as an actual detection temperature;
(2) if the actual detection temperature is higher than the preset temperature, the temperature and the flow of hot air in the feeding cylinder are increased; the frequency of the variable frequency motor (5) is adjusted, the conveying speed of the conveying net belt (3) is increased to be the first speed, and the heating time of the tobacco leaves is reduced;
(3) if the actual detection temperature is lower than the preset temperature, reducing the temperature and the flow of hot air in the feeding cylinder; the frequency of the variable frequency motor is adjusted, the conveying speed of the conveying net belt is reduced to be the second speed, and the heating time of the tobacco leaves is prolonged;
(4) if the actual detection temperature is equal to the preset temperature, detecting the moisture of the tobacco leaves at the outlet of the feeder;
(5) if the detected moisture is larger than the preset moisture, adjusting the frequency of the variable frequency motor, reducing the conveying speed of the conveying net belt to be a third speed, and improving the heating time of the tobacco leaves;
(6) if the detected moisture is less than the preset moisture, the frequency of the variable frequency motor is adjusted, the conveying speed of the conveying net belt is increased to a fourth speed, and the heating time of the tobacco leaves is reduced.
Further, the first speed, the second speed, the third speed, and the fourth speed are all speeds within a preset conveying speed range, and they may be equal or unequal.
The far infrared smoked sheet heating tunnel furnace and the control method thereof have the following beneficial effects:
(1) the tobacco flake temperature can be improved under the conditions that the moisture of tobacco flakes is not changed and the tobacco leaves are not turned to generate dry and broken tobacco flakes, the temperature difference between the incoming tobacco flakes and the internal environment of the charging barrel is reduced, the fluctuation of the hot air temperature in the charging barrel is reduced, the internal environment of the charging roller is accelerated to reach a stable state from an unstable state, and therefore the stability of the moisture of an outlet and the temperature of the outlet is improved.
(2) The temperature of tobacco leaves heated in the charging barrel and in the far infrared heating tunnel furnace can be accurately controlled through accurate control of the temperature of hot air in the charging barrel, the flow of the hot air and the conveying speed of the conveying net belt, so that the temperature difference between the environment in the charging barrel and the environment in the charging barrel is ensured, and the stability of the moisture and the outlet temperature of the charging machine is ensured.
Drawings
FIG. 1 is a schematic view of a far infrared smoked sheet heating tunnel furnace according to the present invention;
FIG. 2 is a schematic view of a far infrared smoked sheet heating tunnel furnace according to the present invention;
FIG. 3 is a schematic view of a far infrared smoked sheet heating tunnel furnace according to the present invention;
FIG. 4 is a schematic diagram of the control method of the far infrared smoked sheet heating tunnel furnace of the invention.
In the figure: the far infrared furnace comprises a far infrared furnace body 1, a far infrared heating element 2, a conveying mesh belt 3, a roller 4, a variable frequency motor 5, a blanking baffle 6 and an observation window 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-3, a far infrared smoked sheet heating tunnel furnace, it includes far infrared furnace body 1, far infrared heating element 2, conveying mesh belt 3, roller 4, inverter motor 5, blanking baffle 6, observation window 7, its characterized in that: far-infrared furnace body 1 is the vault structure, it includes roof and both sides wall, a plurality of far-infrared heating element 2 are installed at the top in the furnace body, the furnace body lateral wall is provided with observation window 7, observation window 7 can regard as the access & exit of maintenance or change far-infrared heating element 2 simultaneously, conveying mesh belt 3 twines on roller bearing 4, roller bearing 4 is connected with inverter motor 5 through shaft coupling or drive element, conveying mesh belt 3's the outside is provided with two blanking baffles 6, constitute the cell body structure between conveying mesh belt 3 and two blanking baffles 6, inverter motor 5 installs in the blanking baffle 6 outside, blanking baffle 6 is located the inboard of furnace body lateral wall, be provided with one or more first temperature sensor in the far-infrared furnace body 1.
The whole furnace body 1 is made of stainless steel, and because the heating wavelength of the stainless steel is not in the wavelength range of far infrared light, the stainless steel does not absorb and reflect the far infrared light, the far infrared light radiation energy can be more efficiently utilized, the cost is saved, and the service life is long. The far infrared heating element 2 is an SHQ opal quartz far infrared heater, and has the characteristics of small thermal inertia, high energy conversion efficiency, quick temperature rise, long service life, convenience in maintenance and the like.
The conveying mesh belt 3 is a metal mesh belt made of stainless steel, is convenient to disassemble and easy to clean, and is suitable for conveying speeds under different process requirements. The variable frequency motor 5 provides power for the roller 4 of the traction conveying net belt 3, and the conveying speed of the conveying net belt 3 can be adjusted by adjusting the rotation frequency of the motor.
The working process comprises the following steps: the blade falls into far infrared tunnel furnace's conveying mesh belt 3 behind the anterior segment screening groove that shakes on, the tiling evenly and gets into far infrared tunnel furnace at the uniform velocity, under the far infrared irradiation of tunnel furnace inside, through heat radiation heating tobacco leaf, realize not changing the tobacco flake moisture, do not turn the tobacco leaf and produce dry garrulous condition under and improve the tobacco flake temperature.
One or more second temperature sensors are arranged in the charging barrel of the tobacco leaf charging machine.
A control method of a far infrared smoked sheet heating tunnel furnace is characterized by comprising the following steps:
step (1): setting the difference between the temperature in the far infrared furnace body 1 and the temperature in the feeding cylinder of the tobacco leaf feeding machine as a preset temperature, detecting the actual temperature in the far infrared furnace body 1 and the actual temperature in the feeding cylinder by a temperature sensor, wherein the difference between the two actual temperatures is the actual detection temperature;
step (2): if the actual detection temperature is higher than the preset temperature, the temperature and the flow of hot air in the feeding cylinder are increased; the frequency of the variable frequency motor 5 is adjusted, the conveying speed of the conveying net belt 3 is increased to be the first speed, and the heating time of the tobacco leaves is reduced;
and (3): if the actual detection temperature is lower than the preset temperature, reducing the temperature and the flow of hot air in the feeding cylinder; the frequency of the variable frequency motor 5 is adjusted, the conveying speed of the conveying net belt 3 is reduced to be the second speed, and the heating time of the tobacco leaves is prolonged;
and (4): if the actual detection temperature is equal to the preset temperature, detecting the moisture of the tobacco leaves at the outlet of the feeder;
and (5): if the detected moisture is larger than the preset moisture, adjusting the frequency of the variable frequency motor 5, reducing the conveying speed of the conveying mesh belt 3 to a third speed, and improving the heating time of the tobacco leaves;
and (6): if the detected moisture is less than the preset moisture, the frequency of the variable frequency motor 5 is adjusted, the conveying speed of the conveying net belt 3 is increased to a fourth speed, and the heating time of the tobacco leaves is reduced.
The first speed, the second speed, the third speed and the fourth speed are all speeds within a preset conveying speed range, and can be equal or unequal.
The far infrared smoked sheet heating tunnel furnace and the control method thereof have the following beneficial effects:
(1) the tobacco flake temperature can be improved under the conditions that the moisture of tobacco flakes is not changed and the tobacco leaves are not turned to generate dry and broken tobacco flakes, the temperature difference between the incoming tobacco flakes and the internal environment of the charging barrel is reduced, the fluctuation of the hot air temperature in the charging barrel is reduced, the internal environment of the charging roller is accelerated to reach a stable state from an unstable state, and therefore the stability of the moisture of an outlet and the temperature of the outlet is improved.
(2) The temperature of tobacco leaves heated in the charging barrel and in the far infrared heating tunnel furnace can be accurately controlled through accurate control of the temperature of hot air in the charging barrel, the flow of the hot air and the conveying speed of the conveying net belt, so that the temperature difference between the environment in the charging barrel and the environment in the charging barrel is ensured, and the stability of the moisture and the outlet temperature of the charging machine is ensured.
The above-described embodiments are illustrative of the present invention and not restrictive, it being understood that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (5)
1. The utility model provides a far infrared smoked sheet heating tunnel furnace, its includes far infrared furnace body (1), far infrared heating element (2), conveying mesh belt (3), roller bearing (4), inverter motor (5), blanking baffle (6), observation window (7), its characterized in that: the far infrared furnace body is a vault structure and comprises a top wall and two side walls, a plurality of far infrared heating elements are installed at the top in the furnace body, the side wall of the furnace body is provided with an observation window, the observation window can be used as an entrance and an exit for maintaining or replacing the far infrared heating elements at the same time, the conveying mesh belt is wound on a roller, the roller is connected with a variable frequency motor through a transmission element, the outer side of the conveying mesh belt is provided with two blanking baffles, a groove body structure is formed between the conveying mesh belt and the two blanking baffles, the variable frequency motor is installed on the outer side of the blanking baffles, the blanking baffles are located on the inner side of the side wall of the furnace body, and one or more first temperature sensors are arranged in the far infrared furnace body.
2. The far infrared smoked sheet heating tunnel furnace as set forth in claim 1, characterized in that the whole furnace body is made of stainless steel, and the far infrared heating element is an SHQ opal quartz far infrared heater; the conveying mesh belt (3) is a metal mesh belt made of stainless steel.
3. The far infrared tobacco flake heating tunnel oven according to claim 2, wherein one or more second temperature sensors are provided in the charging cylinder of the tobacco leaf charging machine.
4. The control method of the far infrared smoked sheet heating tunnel furnace as claimed in claim 3, characterized by comprising the following steps:
step (1): setting the difference between the temperature in the far infrared furnace body (1) and the temperature in the feeding cylinder of the tobacco leaf feeding machine as a preset temperature, detecting the actual temperature in the far infrared furnace body and the actual temperature in the feeding cylinder by a temperature sensor, and setting the difference between the two actual temperatures as an actual detection temperature;
step (2): if the actual detection temperature is higher than the preset temperature, the temperature and the flow of hot air in the feeding cylinder are increased; the frequency of the variable frequency motor (5) is adjusted, the conveying speed of the conveying net belt (3) is increased to be the first speed, and the heating time of the tobacco leaves is reduced;
and (3): if the actual detection temperature is lower than the preset temperature, reducing the temperature and the flow of hot air in the feeding cylinder; the frequency of the variable frequency motor is adjusted, the conveying speed of the conveying net belt is reduced to be the second speed, and the heating time of the tobacco leaves is prolonged;
and (4): if the actual detection temperature is equal to the preset temperature, detecting the moisture of the tobacco leaves at the outlet of the feeder;
and (5): if the detected moisture is larger than the preset moisture, adjusting the frequency of the variable frequency motor, reducing the conveying speed of the conveying net belt to be a third speed, and improving the heating time of the tobacco leaves;
and (6): if the detected moisture is less than the preset moisture, the frequency of the variable frequency motor is adjusted, the conveying speed of the conveying net belt is increased to a fourth speed, and the heating time of the tobacco leaves is reduced.
5. The control method according to claim 4, wherein the first speed, the second speed, the third speed and the fourth speed are speeds within a preset conveying speed range, and they may be equal or unequal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111052732.1A CN113647665B (en) | 2021-09-09 | 2021-09-09 | Far infrared smoked sheet heating tunnel furnace and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111052732.1A CN113647665B (en) | 2021-09-09 | 2021-09-09 | Far infrared smoked sheet heating tunnel furnace and control method thereof |
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| Publication Number | Publication Date |
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| CN113647665A true CN113647665A (en) | 2021-11-16 |
| CN113647665B CN113647665B (en) | 2022-07-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115191634A (en) * | 2022-08-22 | 2022-10-18 | 江西中烟工业有限责任公司 | Improved tunnel type tobacco flake charging machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1603591A (en) * | 1977-05-27 | 1981-11-25 | Hauni Werke Koerber & Co Kg | Apparatus for drying tobacco |
| CN2100590U (en) * | 1991-06-02 | 1992-04-01 | 大连显像管厂 | Tunnel continuous drying furnace |
| CN101513270A (en) * | 2008-02-20 | 2009-08-26 | 湖北中烟工业有限责任公司 | Method for loosening and remoistening tobacco leaves and equipment thereof |
| CN206547871U (en) * | 2017-03-14 | 2017-10-13 | 江西中烟工业有限责任公司 | A kind of conveying drying equipment of cigarette |
| CN112806601A (en) * | 2021-02-05 | 2021-05-18 | 河南中烟工业有限责任公司 | Method for improving moisture uniformity of tobacco lamina at outlet of baking machine |
-
2021
- 2021-09-09 CN CN202111052732.1A patent/CN113647665B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1603591A (en) * | 1977-05-27 | 1981-11-25 | Hauni Werke Koerber & Co Kg | Apparatus for drying tobacco |
| CN2100590U (en) * | 1991-06-02 | 1992-04-01 | 大连显像管厂 | Tunnel continuous drying furnace |
| CN101513270A (en) * | 2008-02-20 | 2009-08-26 | 湖北中烟工业有限责任公司 | Method for loosening and remoistening tobacco leaves and equipment thereof |
| CN206547871U (en) * | 2017-03-14 | 2017-10-13 | 江西中烟工业有限责任公司 | A kind of conveying drying equipment of cigarette |
| CN112806601A (en) * | 2021-02-05 | 2021-05-18 | 河南中烟工业有限责任公司 | Method for improving moisture uniformity of tobacco lamina at outlet of baking machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115191634A (en) * | 2022-08-22 | 2022-10-18 | 江西中烟工业有限责任公司 | Improved tunnel type tobacco flake charging machine |
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| CN113647665B (en) | 2022-07-22 |
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