CN110833200A - Burley tobacco baking system - Google Patents
Burley tobacco baking system Download PDFInfo
- Publication number
- CN110833200A CN110833200A CN201911222087.6A CN201911222087A CN110833200A CN 110833200 A CN110833200 A CN 110833200A CN 201911222087 A CN201911222087 A CN 201911222087A CN 110833200 A CN110833200 A CN 110833200A
- Authority
- CN
- China
- Prior art keywords
- hot air
- section
- tobacco
- baking
- tobacco leaves
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
Landscapes
- Manufacture Of Tobacco Products (AREA)
Abstract
The invention provides a burley tobacco baking system which comprises a cover body and a hot air supply device, wherein the cover body comprises a pretreatment section, a first baking section and a second baking section which are sequentially connected in the horizontal direction, and partition plates are respectively arranged between the first baking section and the pretreatment section as well as between the first baking section and the second baking section; a feed inlet for tobacco leaves to enter is formed in one end, far away from the first baking section, of the pretreatment section, and a discharge outlet is formed in one end, far away from the first baking section, of the second baking section; a roller opposite to the feed inlet is arranged in the pretreatment section, and flow through holes are distributed in the circumferential direction of the roller; one side of the pretreatment section is provided with an air inlet which is positioned below the roller, and the top of the pretreatment section is provided with a moisture discharge pipe; the hot air supply device is connected with the air inlet, and hot air provided by the hot air supply device enters the pretreatment section through the air inlet and enters the roller through the flow through hole, so that the tobacco leaves in the roller are in a suspended state. The invention can be used for preprocessing the tobacco leaves before baking, thereby improving the baking quality.
Description
Technical Field
The invention relates to the technical field of cigarette processing, in particular to a burley tobacco baking system.
Background
The burley tobacco is the main tobacco raw material of the blended type cigarette, the quality of the burley tobacco processing quality is one of the key factors for determining the quality of the blended type cigarette, and the burley tobacco baking is the key link of the burley tobacco processing technology. The coming tobacco leaves before baking are heavy-charge burley tobacco and are cached for a period of time, and the characteristics of low temperature, large adhesion and the like exist, and the final baking quality of the tobacco leaves can be influenced when the coming tobacco leaves directly enter the baking link. Therefore, how to design a burley tobacco roasting system to pretreat the burley tobacco entering the roasting and ensure the roasting quality becomes a technical problem which needs to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a burley tobacco curing system, which is used for preprocessing burley tobacco before the burley tobacco is cured and ensuring the curing quality of tobacco leaves.
In order to achieve the purpose, the invention provides the following technical scheme:
a burley tobacco baking system comprises a cover body and a hot air supply device, wherein the cover body comprises a pretreatment section, a first baking section and a second baking section which are sequentially connected in the horizontal direction, and partition plates are respectively arranged between the first baking section and the pretreatment section as well as between the first baking section and the second baking section; a feed inlet for tobacco leaves to enter is formed in one end, far away from the first baking section, of the pretreatment section, and a discharge outlet is formed in one end, far away from the first baking section, of the second baking section; a roller opposite to the feed inlet is arranged in the pretreatment section, and flow through holes are distributed in the circumferential direction of the roller; an air inlet is formed in one side of the pretreatment section and is positioned below the roller, and a moisture discharge pipe is arranged at the top of the pretreatment section; the hot air supply device is connected with the air inlet, and hot air provided by the hot air supply device enters the pretreatment section through the air inlet and enters the roller through the flow through hole, so that tobacco leaves in the roller are in a suspended state.
Preferably, the hot air supply device comprises an air inlet fan and a heat exchanger, the heat exchanger is arranged between the air inlet fan and the air inlet, and a steam inlet for steam to enter is formed in the heat exchanger.
Preferably, the air speed of the hot air is adjusted by controlling the frequency of the air inlet fan, so that the tobacco leaves are in a suspension state.
Preferably, the frequency of the air inlet fan is adjusted within the range of 20-50 Hz.
Preferably, under the condition that the frequency of the air inlet fan is fixed, the temperature of hot air is adjusted; when the temperature of the hot air is 80-100 ℃, heating the tobacco leaves by utilizing the hot air; and when the temperature of the hot air is 100-150 ℃, heating and dehydrating the tobacco leaves by utilizing the hot air.
Preferably, the temperature of the hot wind is adjusted by controlling the amount of steam flow entering the heat exchanger.
Preferably, the theoretical dehydration amount is calculated according to the set flow rate of the tobacco leaves, the theoretical moisture of the tobacco leaves at the feeding port and the set moisture of the tobacco leaves at the discharging port; calculating the actual dehydration amount according to the actual flow rate of the tobacco leaves, the actual moisture of the tobacco leaves at the feeding port and the actual moisture of the tobacco leaves at the discharging port; and determining the control temperature of the hot air according to the theoretical dewatering amount, the set temperature of the thin plate of the first baking section and the set temperature of the thin plate of the second baking section, and correcting the control temperature according to the actual dewatering amount.
Preferably, the drum is a mesh drum, and the mesh on the mesh drum is the through-flow hole.
Preferably, the perforation holes are in a hexagonal structure.
Preferably, the pretreatment section includes row's tide cover, the cavity that is used for holding the cylinder, hot-blast cover that link to each other in proper order in vertical direction, arrange the tide pipe setting and be in arrange the tide cover is last, the air intake sets up hot-blast cover is last.
The invention has the beneficial effects that:
according to the burley tobacco curing system, the tobacco leaves before curing are pretreated through the pretreatment section, namely when the tobacco leaves enter the roller in the pretreatment section from the feeding hole, hot air provided by the hot air supply device enters the roller through the air inlet in the pretreatment section and enters the roller through the flow through hole in the roller, so that the tobacco leaves in the roller are in a suspended state, the tobacco leaves are effectively prevented from being bonded with the roller, meanwhile, the hot air and the tobacco leaves can be in full contact, the tobacco leaves can be well loosened, preheated and homogenized by utilizing the hot air, a good tobacco leaf state is further provided for the subsequent curing process, and the curing quality of the tobacco leaves is effectively improved.
Drawings
In order to more clearly describe the embodiments of the present application or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, and the embodiments of the present invention will be further described in detail with reference to the drawings, wherein
FIG. 1 is a schematic view of a housing provided in accordance with an embodiment of the present invention;
fig. 2 is a schematic view of the pretreatment stage connected to a hot air supply device according to an embodiment of the present invention.
In the drawings, the reference numbers:
11. the pretreatment section 12, an air inlet 13, a moisture discharge pipe 14, a moisture discharge cover 15 and a cavity
16. A hot air cover 21, a first baking section 22, an air inlet 23 and an exhaust pipe
31. Second baking section 32, inlet hole 33, discharge pipe 41, feed delivery channel
51. Roller 61, tobacco leaves 71, hot air fan 81, heat exchanger 82 and steam inlet
A. Tobacco leaf flow direction B and hot air flow direction
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description will be provided with reference to specific embodiments.
As shown in fig. 1 and 2, an embodiment of the present invention provides a burley tobacco roasting system, which includes a housing and a hot air supply device, wherein the housing includes a pretreatment section 11, a first roasting section 21 and a second roasting section 31 which are connected in sequence in a horizontal direction, and a partition plate is respectively arranged between the first roasting section and the pretreatment section; a feed inlet 42 for tobacco leaves to enter is formed in one end, far away from the first baking section, of the pretreatment section, and a discharge outlet 43 is formed in one end, far away from the first baking section, of the second baking section; a roller 51 opposite to the feeding port is arranged in the pretreatment section, and through holes are distributed in the circumferential direction of the roller 51; an air inlet 12 is formed in one side of the pretreatment section, the air inlet is located below the roller, and a moisture discharge pipe 13 is arranged at the top of the pretreatment section; the hot air supply device is connected with the air inlet, and hot air provided by the hot air supply device enters the pretreatment section through the air inlet and enters the roller through the flow through hole, so that the tobacco leaves in the roller 51 are in a suspended state. It will be appreciated that the first and second curing sections are for curing the tobacco leaves after passing through the rollers in the pre-treatment section; the pretreatment section, the first baking section and the second baking section are provided with material conveying channels 41 communicated with each other, the roller is positioned in the material conveying channels 41, the feed port 42 is positioned at one end of each material conveying channel, and the discharge port 43 is positioned at the other end of each material conveying channel; after flowing through the roller 51, the hot air flows out from the moisture discharge pipe 13; the lower side of the first roasting section may be provided with an air inlet hole 22, the top of the first roasting section may be provided with an exhaust duct 23, the lower side of the second roasting section may be provided with an inlet hole 32, and the top of the second roasting section may be provided with an exhaust duct 33.
According to the burley tobacco curing system provided by the embodiment of the invention, the tobacco leaves before curing are pretreated through the pretreatment section, namely when the tobacco leaves enter the roller 51 in the pretreatment section from the feeding hole, hot air provided by the hot air supply device enters through the air inlet on the pretreatment section and enters the roller through the flow through hole on the roller 51, so that the tobacco leaves in the roller 51 are in a suspension state, the tobacco leaves are effectively prevented from being bonded with the roller, and meanwhile, the hot air and the tobacco leaves can be in full contact, so that the tobacco leaves can be well loosened, preheated and homogenized by utilizing the hot air, a good tobacco leaf state is provided for the subsequent curing process, and the curing quality of the tobacco leaves is effectively improved.
Further, the hot air supply device comprises an air inlet fan 71 and a heat exchanger 81, the heat exchanger 81 is arranged between the air inlet fan 71 and the air inlet, and a steam inlet 82 for steam to enter is arranged on the heat exchanger, so that hot air supply to the pretreatment section is realized through the hot air supply device with a simple structure. It can be understood that the air supplied by the air supply fan 71 into the heat exchanger 81 is heated by the heat of the steam to form hot air.
Specifically, the air speed of the hot air is adjusted by controlling the frequency of the air intake fan 71, so that the tobacco leaves are in a suspended state.
Preferably, the frequency of the air intake fan 71 is adjusted within a range of 20 to 50 Hz.
Further, under the condition that the frequency of the air inlet fan 71 is constant, the temperature of hot air is adjusted; when the temperature of the hot air is 80-100 ℃, heating the tobacco leaves by utilizing the hot air; and when the temperature of the hot air is 100-150 ℃, heating and dehydrating the tobacco leaves by utilizing the hot air. By adopting the technical scheme, the hot air temperature can be adjusted according to the subsequent tobacco leaf baking strength requirement.
Specifically, the temperature of the hot wind may be adjusted by controlling the amount of the steam flow entering the heat exchanger 81.
Specifically, a theoretical dehydration amount is calculated according to the set flow rate of the tobacco leaves, the theoretical moisture of the tobacco leaves at a feeding port and the set moisture of the tobacco leaves at a discharging port; calculating the actual dehydration amount according to the actual flow rate of the tobacco leaves, the actual moisture of the tobacco leaves at the feeding port and the actual moisture of the tobacco leaves at the discharging port; and determining the control temperature of the hot air according to the theoretical dewatering amount, the set temperature of the thin plate of the first baking section and the set temperature of the thin plate of the second baking section, and correcting the control temperature according to the actual dewatering amount. The control temperature of the hot air is also the set temperature of the hot air, and the temperature of the hot air flowing out of the heat exchanger 81 reaches the set temperature by controlling the flow rate of the steam entering the heat exchanger. It will be appreciated that the controller can be used to intelligently control the amount of steam flow entering the heat exchanger 81 based on the various parameters described above.
In a specific embodiment provided by the present invention, the control temperature of the hot air can be calculated according to the following method:
when the equipment starts to produce, the theoretical dewatering amount is calculated according to the following formula 1, and an initial value T of hot air control temperature is determined according to the sheet set temperature of the first baking section and the sheet set temperature of the second baking section0；
When the condition of the tobacco leaf supplied materials fluctuates greatly in the production process, the actual water demand calculated according to the following formula 2 is compared with the theoretical dehydration amount, and the actual dehydration amount is compared with the theoretical dehydration amount according to the fluctuation condition (delta-S)0) Using feed forward control to obtain a first temperature regulation value T1Calculating by interpolation, as shown in table 1;
when the moisture of the tobacco leaves at the discharge port fluctuates sharply, the control temperature of the hot air is corrected according to the moisture deviation e and the moisture deviation change ec, and the adjusting and correcting amplitude can obtain a second temperature by adopting a regular query mode according to the field debugging conditionDegree of adjustment value T2As shown in table 2;
the final control temperature T ═ T of the hot air0+T1+T2。
Equation 1: s0＝S1-S2＝f0w0-f0w0’(1-w0)/(1-w0’)＝f(w0-w0’)/(1-w0’)
Equation 2: s ═ SIN-SOUT＝fw-fw’(1-w)/(1-w’)＝f(w-w’)/(1-w’)
Note: s0Theoretical amount of dehydration (kg/h) S actual amount of dehydration (kg/h)
S1Theoretical moisture content (kg) S of incoming tobacco leavesIN-moisture content (kg) of incoming tobacco leaves
S2Theoretical water content (kg) S of tobacco leaves at discharge outletOUTTobacco leaf moisture content at the outlet (kg)
f0-set flow of tobacco (kg/h) f-actual flow of tobacco (kg/h)
w0-theoretical inlet tobacco moisture (%) w-actual inlet tobacco moisture (%)
w0'-Outlet tobacco set moisture (%) w' -Outlet tobacco actual moisture (%)
Wherein: the moisture deviation refers to a difference value between actual moisture of the tobacco leaves at the discharge port and set moisture of the tobacco leaves at the discharge port, and the moisture deviation change refers to a difference value between the moisture deviation at the current sampling time point and the moisture deviation at the previous sampling time point; the moisture deviation e and the moisture deviation change ec are divided into 7 grades which are respectively Negative Big (NB), Negative Middle (NM), Negative Small (NS), Zero (ZO), Positive Small (PS), Positive Middle (PM) and Positive Big (PB), and the actual value ranges corresponding to the moisture deviation e and the tobacco flow and moisture deviation change ec are respectively [ -1.2, 1.2], [ -0.6 and 0.6 ].
Specifically, the drum 51 is a mesh drum, and the mesh holes on the mesh drum are the through-flow holes. The through holes are in a hexagonal structure, and a regular hexagonal structure can be preferred.
Furthermore, the pretreatment section comprises a moisture exhaust cover 14, a cavity 15 and a hot air cover 16, wherein the moisture exhaust cover 14, the cavity 15 and the hot air cover 16 are sequentially connected in the vertical direction, the moisture exhaust pipe 13 is arranged on the moisture exhaust cover 14, and the air inlet is arranged on the hot air cover 16. Preferably, the air inlet is arranged at the lower right side of the hot air cover.
The burley tobacco curing system provided by the embodiment of the invention can fully and uniformly loosen tobacco leaves, can also improve the temperature of the tobacco leaves, and can slightly pre-dehydrate the tobacco leaves according to the subsequent curing strength, so that a relatively stable tobacco leaf state is provided for the curing link, and the curing quality of the tobacco leaves is favorably improved. Meanwhile, the air speed of the hot air is adjustable, different material states are generated by different air speeds of the hot air, and different process purposes are achieved; the temperature of the hot air is adjustable, and different temperatures of the hot air can realize the functions of warming, warming and dehydrating the tobacco leaves according to the requirements of the baking process; the baking requirements of different strengths and process qualities are met by adjusting the matched hot air speed and hot air temperature. The invention improves the burley tobacco state entering the baking link, can fully loosen the burley tobacco, fully and uniformly reduce the moisture, the temperature and the sugar, and can simultaneously improve the tobacco temperature and properly reduce the moisture of the tobacco according to the baking requirement, thereby better meeting the processing requirements of the burley tobacco of different brands.
The above are only preferred embodiments of the present invention, it should be noted that these examples are only for illustrating the present invention and not for limiting the scope of the present invention, and after reading the content of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalents also fall within the scope of the claims appended to the present application.
Claims (10)
1. A burley tobacco baking system is characterized by comprising a cover body and a hot air supply device, wherein the cover body comprises a pretreatment section, a first baking section and a second baking section which are sequentially connected in the horizontal direction, and partition plates are respectively arranged between the first baking section and the pretreatment section as well as between the first baking section and the second baking section; a feed inlet for tobacco leaves to enter is formed in one end, far away from the first baking section, of the pretreatment section, and a discharge outlet is formed in one end, far away from the first baking section, of the second baking section; a roller opposite to the feed inlet is arranged in the pretreatment section, and flow through holes are distributed in the circumferential direction of the roller; an air inlet is formed in one side of the pretreatment section and is positioned below the roller, and a moisture discharge pipe is arranged at the top of the pretreatment section; the hot air supply device is connected with the air inlet, and hot air provided by the hot air supply device enters the pretreatment section through the air inlet and enters the roller through the flow through hole, so that tobacco leaves in the roller are in a suspended state.
2. The burley tobacco roasting system of claim 1, wherein the hot air supply device comprises an air intake blower and a heat exchanger, the heat exchanger is arranged between the air intake blower and the air inlet, and the heat exchanger is provided with a steam inlet for steam to enter.
3. A burley tobacco curing system according to claim 2, wherein the speed of the hot air is adjusted by controlling the frequency of the air inlet fan so that the tobacco leaves are in suspension.
4. The burley tobacco roasting system of claim 3, wherein the frequency of the air intake fan is adjusted within a range of 20-50 Hz.
5. A burley tobacco roasting system according to claim 3, wherein the temperature of the hot air is adjusted at a certain frequency of the air intake fan; when the temperature of the hot air is 80-100 ℃, heating the tobacco leaves by utilizing the hot air; and when the temperature of the hot air is 100-150 ℃, heating and dehydrating the tobacco leaves by utilizing the hot air.
6. The burley roasting system of claim 5, wherein the temperature of the hot blast is adjusted by controlling the amount of steam flow entering the heat exchanger.
7. The burley tobacco curing system of claim 5, wherein the theoretical dewatering amount is calculated from the set tobacco flow rate, the theoretical moisture in the inlet tobacco, and the set moisture in the outlet tobacco; calculating the actual dehydration amount according to the actual flow rate of the tobacco leaves, the actual moisture of the tobacco leaves at the feeding port and the actual moisture of the tobacco leaves at the discharging port; and determining the control temperature of the hot air according to the theoretical dewatering amount, the set temperature of the thin plate of the first baking section and the set temperature of the thin plate of the second baking section, and correcting the control temperature according to the actual dewatering amount.
8. A burley tobacco roasting system according to claim 1, wherein said drum is a mesh drum, and wherein the mesh on the mesh drum is said through-flow holes.
9. The burley tobacco torrefaction system of claim 8, wherein the perforation holes are in a hexagonal configuration.
10. A burley tobacco roasting system according to any one of claims 1 to 9, wherein said pretreatment stage comprises a moisture exhaust hood, a chamber for accommodating said drum, and a hot air hood connected in series in the vertical direction, said moisture exhaust pipe being provided on said moisture exhaust hood, and said air inlet being provided on said hot air hood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911222087.6A CN110833200A (en) | 2019-12-03 | 2019-12-03 | Burley tobacco baking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911222087.6A CN110833200A (en) | 2019-12-03 | 2019-12-03 | Burley tobacco baking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110833200A true CN110833200A (en) | 2020-02-25 |
Family
ID=69578116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911222087.6A Pending CN110833200A (en) | 2019-12-03 | 2019-12-03 | Burley tobacco baking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110833200A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115950237A (en) * | 2022-11-09 | 2023-04-11 | 布勒(常州)机械有限公司 | Online moisture adjusting system and method for belt dryer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1688051A1 (en) * | 2005-02-04 | 2006-08-09 | Jacky Fux | tobacco drying device |
| CN101036532A (en) * | 2007-03-28 | 2007-09-19 | 云南昆船设计研究院 | Method and device for drying cigar lamina |
| CN101361589A (en) * | 2008-09-28 | 2009-02-11 | 山东中烟工业公司 | Three stage type tobacco shred drying technique and tobacco dryer |
| CN101606747A (en) * | 2008-06-19 | 2009-12-23 | 湖北中烟工业有限责任公司 | Multi-section roller type burley tobacco roaster |
| CN103202528A (en) * | 2013-04-10 | 2013-07-17 | 湖南中烟工业有限责任公司 | Cut lamina drying control method and cut lamina drying system based on feedforward and feedback of HT moisture compensation |
| CN105455186A (en) * | 2016-01-21 | 2016-04-06 | 昆明船舶设备集团有限公司 | Rotary thin plate stepped tobacco shred drying system |
| CN106418656A (en) * | 2016-10-13 | 2017-02-22 | 湖南合立拓普科技有限公司 | Method and device for controlling moisture in production of tobacco shred |
-
2019
- 2019-12-03 CN CN201911222087.6A patent/CN110833200A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1688051A1 (en) * | 2005-02-04 | 2006-08-09 | Jacky Fux | tobacco drying device |
| CN101036532A (en) * | 2007-03-28 | 2007-09-19 | 云南昆船设计研究院 | Method and device for drying cigar lamina |
| CN101606747A (en) * | 2008-06-19 | 2009-12-23 | 湖北中烟工业有限责任公司 | Multi-section roller type burley tobacco roaster |
| CN101361589A (en) * | 2008-09-28 | 2009-02-11 | 山东中烟工业公司 | Three stage type tobacco shred drying technique and tobacco dryer |
| CN103202528A (en) * | 2013-04-10 | 2013-07-17 | 湖南中烟工业有限责任公司 | Cut lamina drying control method and cut lamina drying system based on feedforward and feedback of HT moisture compensation |
| CN105455186A (en) * | 2016-01-21 | 2016-04-06 | 昆明船舶设备集团有限公司 | Rotary thin plate stepped tobacco shred drying system |
| CN106418656A (en) * | 2016-10-13 | 2017-02-22 | 湖南合立拓普科技有限公司 | Method and device for controlling moisture in production of tobacco shred |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115950237A (en) * | 2022-11-09 | 2023-04-11 | 布勒(常州)机械有限公司 | Online moisture adjusting system and method for belt dryer |
| CN115950237B (en) * | 2022-11-09 | 2023-10-03 | 布勒(常州)机械有限公司 | Online moisture adjusting method of belt dryer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100584224C (en) | Cut tobacco drying control method | |
| CN102415609B (en) | Process hot air circulating device for tobacco charging machine and control method for device | |
| CN103392106B (en) | Relate to the surrounding air heating system for drying tealeaves of environmental damp condition | |
| CN106643071A (en) | Drying mechanism of printing and dyeing yarn | |
| CN110833200A (en) | Burley tobacco baking system | |
| CN107120677A (en) | The method and system that a kind of combustion-supporting wind pressure of heating furnace is automatically controlled | |
| CN204429627U (en) | A kind of drying unit of coating machine | |
| CN207610501U (en) | A kind of cloth conveying dryer | |
| CN100998441A (en) | Method for controlling hot air temperature of drum type equipment used for tobacco sheet processing | |
| CN111620132B (en) | Method and system for regulating and controlling tobacco shred feeding of cigarette making line | |
| CN101485489B (en) | Method for accurately controlling damp-heat air in smoked sheet-loosing and device thereof | |
| CN101486019B (en) | Low-flow speed steam nozzle for processing tobacco | |
| CN114644934B (en) | Coke oven heating method matched with coking process of coal entering furnace | |
| CN203518513U (en) | Multi-channel heat supply drying system | |
| CN211185829U (en) | Heat exchange device for cut tobacco moisture regain drum | |
| CN101606655B (en) | Ripening technology and ripening device in fine dried noodle production | |
| CN113625796A (en) | Spiral conveying dual-effect evaporation coal material humidity adjusting device and online humidity control method | |
| CN207669939U (en) | Energy-saving clean module laminating machine | |
| CN207850032U (en) | A kind of heating furnace of Bilateral heating wind-guiding | |
| CN204861139U (en) | Cylinder heating device and use device's cylinder class cigarette production equipment | |
| CN215401295U (en) | Spiral conveying dual-effect evaporation coal material humidifying device | |
| CN201928914U (en) | Heating adjusting system used for procedure of tea leaf heating dehydration | |
| CN110742297A (en) | Hot air system of barrel type burley tobacco baking dryer heating area | |
| CN209485025U (en) | The volume damper of briquette vertical drying oven | |
| CN212720692U (en) | A drying device for processing PVC sheet for interior home decoration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200225 |