CN113558269B - Automatic moisture exhausting air door control system of airflow type cut tobacco dryer and control method thereof - Google Patents
Automatic moisture exhausting air door control system of airflow type cut tobacco dryer and control method thereof Download PDFInfo
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- CN113558269B CN113558269B CN202010353778.6A CN202010353778A CN113558269B CN 113558269 B CN113558269 B CN 113558269B CN 202010353778 A CN202010353778 A CN 202010353778A CN 113558269 B CN113558269 B CN 113558269B
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- air door
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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
- A24B3/04—Humidifying or drying tobacco bunches or cut tobacco
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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
- A24B3/10—Roasting or cooling tobacco
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Abstract
The invention provides an automatic moisture exhausting air door control system of an airflow type cut tobacco dryer and a control method thereof, wherein the automatic moisture exhausting air door control system comprises the following steps: the rotating shaft penetrates into the moisture exhaust pipeline and can rotate relative to the moisture exhaust pipeline; the wind door plate is arranged on the rotating shaft, is positioned in the moisture removing pipeline and is in clearance fit with the moisture removing pipeline; the driving piece is connected with the rotating shaft and can drive the rotating shaft to rotate; the detection device is used for detecting the materials on the front conveying passage; and the controller is connected with the driving piece, the detection device and the feeder. The invention can greatly reduce the amount of materials sucked into the moisture exhaust pipeline, thereby ensuring the long-term stable operation of the moisture exhaust system and related equipment, saving the material cost and reducing the dredging and maintaining cost of the moisture exhaust pipeline.
Description
Technical Field
The invention relates to the technical field of airflow type cut-tobacco dryers, in particular to an automatic moisture-removing air door control system of an airflow type cut-tobacco dryer and a control method thereof.
Background
A manual air door is arranged on a pipeline connected above a feed inlet moisture exhaust cover of the HDT airflow type cut tobacco dryer, and the manual air door is not changed after being set due to higher fixed value and position required in the process. As the preheating preparation stage of the airflow type cut-tobacco drier has no actual material and uses steam-water mixed injection to simulate the material, the generated overflowing steam amount is maximum, and the manual moisture exhaust air door is set at a larger opening position which can meet the moisture exhaust amount requirement of the preheating preparation stage in the process, thereby ensuring that no steam overflows to the surrounding environment in the whole process of the airflow type cut-tobacco drier.
However, such setting of the manual air door has an obvious disadvantage that when incoming materials reach a material inlet at a material inlet end of the airflow type cut tobacco dryer, most of steam is absorbed by the materials after the equipment enters a formal production stage, the overflow amount is greatly reduced, and the manual air door still at a position with a large opening degree is set at the moment, so that moisture is continuously exhausted at a large air volume and a high air speed, and partial online materials are continuously drawn away by moisture exhausting air and sucked into a moisture exhausting pipeline and a peculiar smell processing system, so that the blockage of filling materials of a washing pool in a local pipeline and the peculiar smell processing system is accelerated, and finally, the moisture exhausting failure is caused.
When the air-flow type cut-tobacco drier is in actual operation and use, a moisture discharge pipeline is partially blocked about one month, so that the cleaning is required to be dredged, the gradual blocking of the filler of the peculiar smell treatment system is serious, and the corresponding other cut-tobacco making equipment, such as a feeding machine, a moisture regaining machine and the like, have equipment faults of large-range moisture discharge unsmooth and water dripping and the like, so that the product quality is influenced.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide an automatic moisture exhausting damper control system for an air-flow type cut-tobacco dryer, which solves the above-mentioned problems of the prior art.
In order to solve the technical problems, the invention provides an automatic moisture-removing air door control system of an airflow type cut-tobacco drier, the airflow type cut-tobacco drier comprises a feeding channel, a feeding hole is arranged on the side surface of the feeding channel, the feeding channel is connected with a moisture-removing fan through a moisture-removing pipeline, the feeding hole is connected with the outlet of a conveying device, the inlet of the conveying device is connected with the outlet of a front conveying passage, and the inlet of the front conveying passage is connected with a feeder;
automatic arrange damp air door control system includes:
the rotating shaft penetrates into the moisture exhaust pipeline and can rotate relative to the moisture exhaust pipeline;
the wind door plate is arranged on the rotating shaft, is positioned in the moisture exhaust pipeline and is in clearance fit with the moisture exhaust pipeline;
the driving piece is connected with the rotating shaft and can drive the rotating shaft to rotate;
the detection device is used for detecting the materials on the front conveying passage;
and the controller is connected with the driving piece, the detection device and the feeder.
Preferably, the drive member is an angular travel actuator.
Preferably, the automatic moisture exhausting damper control system of the air-flow type cut-tobacco drier further comprises a scale component arranged outside the moisture exhausting pipeline; the scale part comprises a mounting sleeve sleeved on the rotating shaft, a scale plate is arranged on the mounting sleeve, the mounting sleeve is connected with the outer side surface of the moisture discharge pipeline, and a scale part is arranged on one side of the scale plate, which is far away from the moisture discharge pipeline; the pivot is connected with directional piece, directional piece set up in keeping away from of scale plate arrange the one side of damp pipeline.
Preferably, the detection device is a weighing device, and the weighing device is installed on the front conveying path.
The invention also relates to a control method of the automatic moisture-removing air door control system of the airflow type cut-tobacco drier, wherein the controller controls the driving piece to operate, so that the driving piece drives the rotating shaft to drive the air door plate to rotate, the opening degree of the air door plate is switched between two air door working states, and the two air door working states are respectively a production state and a non-production state; the opening degree of the air door plate in the production state is smaller than that of the air door plate in the non-production state;
when the detection device sends information that materials are not detected on the front conveying passage to the controller, the controller controls the driving piece to operate, and the driving piece drives the rotating shaft to drive the air door plate to rotate, so that the opening degree of the air door plate is switched to a non-production state;
when the detection device sends information that materials are detected to be on the front conveying passage to a controller and the controller acquires information that the feeder is not in an operating state, the controller controls the driving piece to operate, and the driving piece drives the rotating shaft to drive the air door plate to rotate, so that the opening of the air door plate is switched to a non-production state;
when the detection device sends information of detecting that materials exist on the front conveying passage to the controller, and the controller acquires the information that the feeding machine is in the running state, the controller controls the driving piece to run, and the driving piece drives the rotating shaft to drive the air door plate to rotate, so that the opening degree of the air door plate is switched to the production state.
Preferably, when the wind door plate is in a production state, the number of degrees of an included angle formed by the wind door plate and the horizontal plane ranges from 25 degrees to 40 degrees. When the wind door plate is in a non-production state, the number of degrees of an included angle formed by the wind door plate and the horizontal plane ranges from 65 degrees to 80 degrees.
The automatic moisture exhausting air door control system of the airflow type cut tobacco dryer and the control method thereof have the following beneficial effects:
in the automatic moisture-removing air door control system of the airflow type cut-tobacco drier, the controller controls the driving piece to operate, and the driving piece drives the rotating shaft to drive the air door plate to rotate, so that the opening degree of the air door plate is switched between a production state and a non-production state; the opening degree of the air door plate can be automatically adjusted according to different operation stages of the airflow type cut-tobacco drier to adapt to different requirements of moisture exhaust air volume in different operation stages, and the opening degree of the air door plate in a production state is smaller than the opening degree of the air door plate in a non-production state, so that when the feeder is in an operation state and materials are input and move towards the feeding channel through the front conveying passage and the conveying device, the air door plate is switched to the production state, the material amount sucked into the moisture exhaust pipeline can be greatly reduced, the long-term stable operation of the moisture exhaust system and related equipment is guaranteed, the material cost is saved, and the dredging and maintenance cost of the moisture exhaust pipeline is reduced.
Drawings
Fig. 1 is a schematic perspective view of the air-flow type tobacco dryer of the present embodiment.
Fig. 2 is a schematic top-view perspective view illustrating a damper plate disposed on a vertical pipe of the air flow type cut-tobacco dryer of this embodiment.
Fig. 3 is a schematic side-view three-dimensional structure diagram of a damper plate disposed on a vertical pipe of the air-flow cut-tobacco dryer of the embodiment.
FIG. 4 is a schematic view showing the structure of the conveyor of the air dryer of this embodiment connected to the feeding path.
Fig. 5 is a schematic diagram of the air-flow type cut-tobacco dryer of the present embodiment under the control of the controller.
Description of the reference numerals
100 feed channel
110 feed inlet
120 arrange damp cover
200 arrange damp pipeline
210 vertical pipe
220 transverse tube
300 rotating shaft
400 air door plate
410 scale parts
411 mounting sleeve
412 scale plate
413 pointing element
500 driving piece
610 conveying device
620 front conveying path
630 feeding machine
700 detection device
800 controller
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to the drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1 to 5, in the automatic moisture exhausting damper control system of the air-flow type cut-tobacco drier of the present embodiment, the air-flow type cut-tobacco drier includes a feeding channel 100, a feeding port 110 is provided on a side surface of the feeding channel 100, the feeding channel 100 is connected to a moisture exhausting fan through a moisture exhausting pipe 200, the feeding port 110 is connected to an outlet of a conveying device 610, an inlet of the conveying device 610 is connected to an outlet of a front conveying passage 620, and an inlet of the front conveying passage 620 is connected to a feeding machine 630;
automatic arrange damp air door control system includes:
a rotating shaft 300 penetrating into the moisture discharge duct 200 and rotatable with respect to the moisture discharge duct 200;
the wind door plate 400 is arranged on the rotating shaft 300, the wind door plate 400 is positioned in the moisture exhaust pipeline 200, and the wind door plate 400 is in clearance fit with the moisture exhaust pipeline 200;
a driving member 500 connected to the rotation shaft 300 and driving the rotation shaft 300 to rotate;
a detecting device 700 for detecting the material on the front conveying path 620; the detection device 700 sends the detected material information on the front conveying passage 620 to the controller 800;
the controller 800 is connected with the driving member 500, the detecting device 700 and the feeder 630. The controller obtains information on the operation condition of the feeder 630.
In the automatic moisture-removing air door control system of the airflow type cut-tobacco drier, the controller 800 controls the driving piece 500 to operate, and the driving piece 500 drives the rotating shaft 300 to drive the air door plate 400 to rotate, so that the opening degree of the air door plate 400 is switched between a production state and a non-production state;
when the detection device 700 sends the information that the material on the front conveying passage 620 is not detected to the controller 800, the controller 800 controls the driving member 500 to operate, and the driving member 500 drives the rotating shaft 300 to drive the air flap panel 400 to rotate, so that the opening degree of the air flap panel 400 is switched to a non-production state;
when the detection device 700 sends the information that the material is detected to be on the front conveying passage 620 to the controller 800, and the controller 800 obtains the information that the feeder 630 is not in the running state, the controller 800 controls the driving member 500 to run, and the driving member 500 drives the rotating shaft 300 to drive the air door panel 400 to rotate, so that the opening degree of the air door panel 400 is switched to the non-production state;
when the detection device 700 sends the information that the material is on the front conveying passage 620 to the controller 800 and the controller 800 obtains the information that the feeder is in the operating state, the controller 800 controls the driving member 500 to operate, and the driving member 500 drives the rotating shaft 300 to drive the air flap panel 400 to rotate, so that the opening degree of the air flap panel 400 is switched to the production state.
According to the invention, the opening degree of the air door plate 400 can be automatically adjusted according to different operation stages of the airflow type cut-tobacco drier so as to adapt to different requirements of moisture-removing air volume in different operation stages, and because the opening degree of the air door plate 400 in a production state is smaller than that of the air door plate 400 in a non-production state, when the feeder 630 is in an operation state for inputting materials, the materials pass through the front conveying passage 620 and the conveying device 610 and move towards the feeding channel 100, the air door plate 400 is switched to the production state, so that the material volume sucked into the moisture-removing pipeline 200 can be greatly reduced, the long-term stable operation of the moisture-removing system and related equipment is ensured, the material cost is saved, and the dredging and maintenance costs of the moisture-removing pipeline 200 are reduced.
The air-flow type cut-tobacco drier of the embodiment is an HDT air-flow type cut-tobacco drier.
The driver 500 is an angular travel actuator. The angular travel actuator may be an electric angular travel actuator or a pneumatic angular travel actuator. In this embodiment, the electric angular travel actuator is a honeywell driver, and the model is CN7220a 2007. The angular stroke actuator drives the rotation shaft 300 to rotate.
The automatic moisture exhausting air door control system of the airflow type cut tobacco dryer also comprises a scale component 410 which is arranged outside the moisture exhausting pipeline 200; the scale part 410 comprises a mounting sleeve 411 sleeved on the rotating shaft 300, a scale plate 412 is arranged on the mounting sleeve 411, the mounting sleeve 411 is connected with the outer side surface of the moisture discharge pipeline 200, and a scale part is arranged on one side of the scale plate 412, which is far away from the moisture discharge pipeline 200; the rotating shaft 300 is connected with a pointing member 413, and the pointing member 413 is disposed on a side of the scale plate 412 far away from the moisture exhaust pipe 200. The pointing element 413 rotates along with the rotating shaft 300, and can point to the mark on the scale part of the scale plate 412, so that a worker can conveniently view the numerical value.
The detecting device 700 is a weighing device installed on the front conveying path 620. The weighing device weighs the material on the previous conveyor path 620, and when the weighing device reads, there is material on the conveyor 620. In this embodiment, the weighing device is an electronic scale.
The invention also relates to a control method of the automatic moisture-removing air door control system of the air-flow cut-tobacco drier, wherein the controller 800 controls the driving part 500 to operate, so that the driving part 500 drives the rotating shaft 300 to drive the air door plate 400 to rotate, the opening degree of the air door plate 400 is switched between two air door working states, and the two air door working states are respectively a production state and a non-production state; the opening degree of the damper panel 400 in the "production" state is smaller than the opening degree of the damper panel 400 in the "non-production" state;
when the detection device 700 sends the information that the material on the front conveying passage 620 is not detected to the controller 800, the controller 800 controls the driving member 500 to operate, and the driving member 500 drives the rotating shaft 300 to drive the air flap panel 400 to rotate, so that the opening degree of the air flap panel 400 is switched to a non-production state;
when the detection device 700 sends the information that the material is detected to be on the front conveying passage 620 to the controller 800 and the controller 800 obtains the information that the feeder 630 is not in the running state, the controller 800 controls the driving part (500) to run, the driving part 500 drives the rotating shaft 300 to drive the air door panel 400 to rotate, so that the opening degree of the air door panel 400 is switched to the non-production state;
when the detection device 700 sends the information that the material is detected on the front conveying passage 620 to the controller 800, and the controller 800 obtains the information that the feeder 630 is in the operating state, the controller 800 controls the driving member 500 to operate, and the driving member 500 drives the rotating shaft 300 to drive the air flap panel 400 to rotate, so that the opening degree of the air flap panel 400 is switched to the "production" state.
The air-flow cut-tobacco drier has different steam discharge amount in different operation stages, when the equipment is in a preheating preparation stage, a moisture discharge air door needs to be in a position with a larger opening degree, otherwise, a large amount of steam overflows; when the equipment is in the 'production' stage, the moisture exhaust damper needs to be in a position with a smaller opening, otherwise more materials are sucked into the moisture exhaust pipeline 200. After the airflow type cut-tobacco drier is preheated, the mode is basically that the operation is switched between two stages of preheating preparation and production, so that the automatic control function of the moisture exhaust air door is realized, the conventional manual air door is modified, the rotation of the air door plate 400 is driven by the angular travel actuator to be adjusted, the opening degree of the air door plate 400 is switched between the working states of the two air doors, and the problem of material accumulation of the moisture exhaust pipeline 200 can be solved. The equipment is in a preheating preparation stage corresponding to the air door plate being in a non-production state, and the equipment is in a production stage corresponding to the air door plate being in a production state.
When the wind door plate is in a production state, the number of degrees of an included angle formed by the wind door plate and the horizontal plane ranges from 25 degrees to 40 degrees. When the wind gate plate is in a non-production state, the range of the number of degrees of an included angle formed between the wind gate plate and the horizontal plane is 65-80 degrees
The vertical setting of feedstock channel 100, feedstock channel 100's top is equipped with row tide cover 120, arranges tide pipeline 200 and is connected including vertical pipe 210 and horizontal pipe 220 that are connected, vertical pipe 210 is connected with row tide cover 120's top, the axis of vertical pipe 210 and feedstock channel 100's axis collineation, the axis of horizontal pipe 220 is perpendicular with vertical pipe 210's axis, and aerofoil board 400 is in the upper portion of vertical pipe 210.
In this embodiment, when the opening degree of the damper panel 400 is switched to the "non-production" state, the degree of the included angle formed between the damper panel 400 and the horizontal plane is 70 °.
When the opening degree of the damper panel 400 is switched to the "production" state, the degree of the angle formed by the damper panel 400 and the horizontal plane is 30 °.
The control method of this embodiment performs comparative statistics on the material accumulation amount of 3500mm long transverse pipe 220, which is most likely to accumulate in the moisture removal pipeline 200 before and after application (see table 1).
TABLE 1
From the comparative data in table 1, it can be found that the average single batch material amount of the air-flow type cut-tobacco drier is reduced from 23.4g before improvement to 1.3g, and is reduced by 95%, so the method of the patent has obvious implementation effect.
In conclusion, the present invention effectively overcomes various disadvantages in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (5)
1. The control method of the automatic moisture exhausting air door control system of the airflow type cut tobacco dryer is characterized in that: the airflow type cut-tobacco drier comprises a feeding channel (100), wherein a feeding hole (110) is formed in the side surface of the feeding channel (100), the feeding channel (100) is connected with a moisture exhaust fan through a moisture exhaust pipeline (200), the feeding hole (110) is connected with an outlet of a conveying device (610), and an inlet of the conveying device (610) is connected with an outlet of a front conveying passage (620); the inlet of the front conveying passage (620) is connected with a feeder (630); automatic arrange damp air door control system includes: the rotating shaft (300) penetrates into the moisture exhaust pipeline (200) and can rotate relative to the moisture exhaust pipeline (200); the wind door plate (400) is arranged on the rotating shaft (300), the wind door plate (400) is positioned in the moisture removing pipeline (200), and the wind door plate (400) is in clearance fit with the moisture removing pipeline (200); the driving piece (500) is connected with the rotating shaft (300) and can drive the rotating shaft (300) to rotate; a detection device (700) for detecting material on the front conveyor path (620); a controller (800) connected to the drive member (500), the detection device (700), and the feeder (630);
the controller (800) controls the driving part (500) to operate, so that the driving part (500) drives the rotating shaft (300) to drive the air door plate (400) to rotate, the opening degree of the air door plate (400) is switched between two air door working states, and the two air door working states are a production state and a non-production state respectively; the opening degree of the air door plate (400) in the 'production' state is smaller than the opening degree of the air door plate (400) in the 'non-production' state; after the airflow type cut-tobacco drier is preheated, the airflow type cut-tobacco drier is switched to operate between two stages of preheating preparation and production; the air-flow type cut-tobacco drier is in a preheating preparation stage and corresponds to the air door plate being in a non-production state, and the air-flow type cut-tobacco drier is in a production stage and corresponds to the air door plate being in a production state;
when the detection device (700) sends information that materials are not detected on the front conveying passage (620) to the controller (800), the controller (800) controls the driving piece (500) to operate, the driving piece (500) drives the rotating shaft (300) to drive the air door plate (400) to rotate, and the opening degree of the air door plate (400) is switched to a non-production state;
when the detection device (700) sends the information that the material is detected to be on the front conveying passage (620) to the controller (800), and the controller (800) acquires the information that the feeding machine (630) is not in the running state, the controller (800) controls the driving piece (500) to run, and the driving piece (500) drives the rotating shaft (300) to drive the air door plate (400) to rotate, so that the opening degree of the air door plate (400) is switched to the non-production state;
when the detection device (700) sends the information that the material is detected to be on the front conveying passage (620) to the controller (800), and the controller (800) acquires the information that the feeder (630) is in the running state, the controller (800) controls the driving piece (500) to run, and the driving piece (500) drives the rotating shaft (300) to drive the air door plate (400) to rotate, so that the opening degree of the air door plate (400) is switched to the production state.
2. A method for controlling an automatic moisture exhausting damper control system of an air-flow type cut-tobacco drier as claimed in claim 1, wherein: when the wind door plate (400) is in a production state, the number of degrees of an included angle formed by the wind door plate (400) and a horizontal plane ranges from 25 degrees to 40 degrees;
when the wind door plate (400) is in a non-production state, the number of degrees of an included angle formed by the wind door plate (400) and the horizontal plane ranges from 65 degrees to 80 degrees.
3. A method for controlling an automatic moisture exhausting damper control system of an air-flow type cut-tobacco drier as claimed in claim 1, wherein: the drive member (500) is an angular travel actuator.
4. The method of claim 1, wherein the damper control system comprises: the scale component (410) is arranged outside the moisture exhaust pipeline (200);
the scale part (410) comprises an installation sleeve (411) sleeved on the rotating shaft (300), a scale plate (412) is arranged on the installation sleeve (411), the installation sleeve (411) is connected with the outer side surface of the moisture discharge pipeline (200), and a scale part is arranged on one side, far away from the moisture discharge pipeline (200), of the scale plate (412); the rotating shaft (300) is connected with a pointing piece (413), and the pointing piece (413) is arranged on one side, far away from the moisture discharge pipeline (200), of the scale plate (412).
5. The method of controlling an automatic moisture exhaust damper control system of an air dryer as claimed in claim 1, wherein said detecting means (700) is a weighing means mounted on said front conveying path (620).
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| CN202010353778.6A CN113558269B (en) | 2020-04-29 | 2020-04-29 | Automatic moisture exhausting air door control system of airflow type cut tobacco dryer and control method thereof |
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| CN202010353778.6A CN113558269B (en) | 2020-04-29 | 2020-04-29 | Automatic moisture exhausting air door control system of airflow type cut tobacco dryer and control method thereof |
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| CN114376258B (en) * | 2022-02-17 | 2023-02-17 | 龙岩烟草工业有限责任公司 | Control method of airflow cut-tobacco drier and airflow cut-tobacco drier |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB957532A (en) * | 1961-11-23 | 1964-05-06 | British American Tobacco Co | Improvements relating to the drying of tobacco |
| CN2239157Y (en) * | 1995-12-14 | 1996-11-06 | 中国烟草总公司郑州烟草研究院 | Cut tobacco roasting machine |
| CN2631233Y (en) * | 2003-06-19 | 2004-08-11 | 龙岩卷烟厂 | Automatic controller for demoisture with constant airing volume |
| CN201609108U (en) * | 2009-11-09 | 2010-10-20 | 中烟机械技术中心有限责任公司 | Roller-air current type tobacco shred drying machine |
| CN101982387A (en) * | 2010-10-29 | 2011-03-02 | 秦皇岛烟草机械有限责任公司 | Feeding device for gas flow equipment |
| CN102106597B (en) * | 2011-01-08 | 2013-08-14 | 中国烟草总公司郑州烟草研究院 | Method and device for controlling moisture discharge of stable roller type shred dryer |
| CN103284308A (en) * | 2013-05-24 | 2013-09-11 | 湖南中烟工业有限责任公司 | Energy-saving method and device for controlling moisture discharging of roller-type cut-tobacco dryer |
| CN103750529B (en) * | 2014-01-27 | 2016-06-15 | 厦门烟草工业有限责任公司 | The stabilization control device of a kind of minute-pressure humidity discharging and control method thereof |
| CN105361230A (en) * | 2015-12-14 | 2016-03-02 | 贵州中烟工业有限责任公司 | Method for reducing tar release amount of cigarettes by adjusting opening degree of moisture exhaust air door |
| CN105996106B (en) * | 2016-06-17 | 2018-03-27 | 河南中烟工业有限责任公司 | A kind of tobacco quality control method and system based on pneumatic conveying drying |
| CN210058991U (en) * | 2019-05-27 | 2020-02-14 | 上海烟草集团有限责任公司 | Air door adjusting device for flexible winnowing equipment |
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