CN105707966A - Tobacco curing house realizing dehumidification cold air outdoor warming circulation - Google Patents
Tobacco curing house realizing dehumidification cold air outdoor warming circulation Download PDFInfo
- Publication number
- CN105707966A CN105707966A CN201610181287.1A CN201610181287A CN105707966A CN 105707966 A CN105707966 A CN 105707966A CN 201610181287 A CN201610181287 A CN 201610181287A CN 105707966 A CN105707966 A CN 105707966A
- Authority
- CN
- China
- Prior art keywords
- curing house
- tobacco flue
- circulation
- indoor set
- cover body
- 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.)
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
Abstract
The invention provides a tobacco curing house realizing dehumidification cold air outdoor warming circulation. The tobacco curing house comprises a circulation greenhouse, a heating device and an air regulator, wherein the circulation greenhouse is arranged outside the tobacco curing house; the heating device and the air regulator are arranged inside the tobacco curing house; the circulation greenhouse is communicated with the inside of the tobacco curing house through a ventilation opening; the air regulator comprises an indoor unit and an outdoor unit; the indoor unit is used for refrigeration and dehumidification; the outdoor unit is connected with the indoor unit; the indoor unit and the outdoor unit are arranged inside the tobacco curing house; the heating device is positioned at one end of the tobacco curing house; the indoor unit and the outdoor unit are positioned at the other end of the tobacco curing house; the indoor unit is communicated with the circulation greenhouse. Through the matching among the indoor unit, the outdoor unit and the circulation greenhouse, the air forms the circulation between the inside the tobacco curing house and the circulation greenhouse. Through such arrangement, the humidified air inside the tobacco curing house can be effectively removed; the utilization rate of heat energy is improved; in addition, through the ingenious arrangement of the positions of the indoor unit, the outdoor unit and the ventilation opening, the air inside the tobacco curing house and between the tobacco curing house and the circulation greenhouse can favorably form the circulation.
Description
Technical field
The present invention relates to the technical field of tobacco flue-curing house, more particularly, to the tobacco flue-curing house of the circulation that gets warm again after a cold spell outside a kind of cold air chamber that dehumidifies.
Background technology
Tobacco flue-curing house is indispensable basic equipment in cured tobacco production.Nicotiana tabacum L., after interior baking modulation, just shows the distinctive color of flue-cured tobacco, type, becomes the quality raw materials meeting cigarette industry needs.Its ultimate principle is after Nicotiana tabacum L. is heated, and moisture in Nicotiana tabacum L. is discharged, and is discharged outside tobacco flue-curing house after moisture vaporization, so that Nicotiana tabacum L. scalding, dry.
Existing tobacco flue-curing house, it is basically and adopts the mode that tobacco flue-curing house dehumidifying air vent is set, directly Hot wet air heating is discharged, so thermal energy is discharged in the lump, cause substantial amounts of thermal waste, heat utilization rate is relatively low, increases the baking cost of tobacco flue-curing house, and the hot-air emitted influences whether the surrounding enviroment of tobacco flue-curing house.
Summary of the invention
The present invention overcomes the defect described in above-mentioned prior art, it is provided that the tobacco flue-curing house of the circulation that gets warm again after a cold spell outside a kind of cold air chamber that dehumidifies.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
Get warm again after a cold spell outside a kind of cold air chamber that dehumidifies the tobacco flue-curing house circulated, and including the circulation greenhouse being located at outside tobacco flue-curing house, is located at the heater within tobacco flue-curing house and air conditioner；Described circulation greenhouse connects by blow vent and tobacco flue-curing house are internal；Described air conditioner includes the off-premises station that the indoor set for refrigerating, dehumidifying is connected with described indoor set；Described indoor set and off-premises station are placed in the inside of tobacco flue-curing house；Described heater is positioned at one end of tobacco flue-curing house, and described indoor set and off-premises station are positioned at the other end of described tobacco flue-curing house, and described indoor set connects with described circulation greenhouse.
The housing in described circulation greenhouse adopts the material that can absorb heat, such as glass or PC plate (Merlon), the light transmittance of above-mentioned material is higher, flue-cured tobacco is typically in summer, can absorbing the amount of heat in the external world, under irradiation by sunlight, outside air temperature is 30 ~ 40 DEG C, the temperature of circulation warm indoor can reach 60 ~ 70 DEG C, so quickly the gas outlet of indoor set can be blown out cold air and be changed into steam.
By utilizing the principle of prior art air actuator (air-conditioning), but what be different from air conditioner routine is installed on indoor by indoor set, off-premises station is installed on the mounting means of outdoor, described indoor set and off-premises station are all disposed within the inside of tobacco flue-curing house by tobacco flue-curing house of the present invention, the refrigeration utilizing indoor set dehumidifies, specifically, air within tobacco flue-curing house is drawn in indoor set, and carry out heat exchange with described indoor set, moisture in air condenses on indoor set, cold wind machine indoor is delivered into the circulation greenhouse being positioned at outside tobacco flue-curing house simultaneously, cold wind returns again to tobacco flue-curing house after circulation greenhouse absorbs heat, air is so made to form circulation between the inside of tobacco flue-curing house and circulation greenhouse.It addition, heat produced by off-premises station distributes in the inside of tobacco flue-curing house, make full use of the heat energy of off-premises station.So can remove the dampness within tobacco flue-curing house, utilize again the heat of external environment condition to carry out flue-cured tobacco, substantially increase heat utilization rate, and the fragrance of flue-cured tobacco is without leaking out tobacco flue-curing house.Described tobacco flue-curing house dries Nicotiana tabacum L., has baked golden yellow or orange, has baked oil content and fragrance.
Additionally; owing to being equipped with the components such as circuit board inside indoor set and off-premises station; but during tobacco flue-curing house flue-cured tobacco; internal temperature is higher, reaches 60 ~ 70 degree, therefore; can have on the device of circuit board apparatus at indoor set and off-premises station etc. and heat insulation protection cover is set; heat insulation protection cover may utilize existing high temperature resistant heat insulation material and makes, and the device shape that the shape of protective cover and indoor set and off-premises station etc. have circuit board apparatus matches, and only exposes air port；So, indoor set and off-premises station etc. can be protected under the hot environment of the 60 ~ 70 of tobacco flue-curing house degree and there is the equipment of circuit board so that it is service life lengthens, and decreases the cost of maintenance.
In order to allow described indoor set and off-premises station be preferably applied for tobacco flue-curing house, improve the condensation effect of indoor set, need for this to increase pressure when cold-producing medium runs, the copper pipe needs that described indoor set is connected with off-premises station bear bigger pressure, therefore, described copper pipe adopts the structure thickening overstriking, to extend lengthening in its service life, decreases the cost of maintenance.
For the air formation circulation ensureing inside tobacco flue-curing house and between tobacco flue-curing house and circulation greenhouse, further, described indoor set is relative with off-premises station, and described indoor set is positioned at the top of tobacco flue-curing house, and described off-premises station is positioned at the bottom of tobacco flue-curing house；Described blow vent is positioned at tobacco flue-curing house one end near described heater.Being with moist hot-air to flow to described indoor set from described heater, cold wind is led to described circulation greenhouse by described indoor set, and the hot blast in circulation greenhouse enters the bottom of tobacco flue-curing house then rising of being heated at described heater place from described blow vent.
Further, described off-premises station includes air vent, and described air vent is relative with described heater, and such setting can accelerate the circulation of tobacco flue-curing house inner air.
In order to strengthen the effect of circulation further, further, described blow vent is provided with the first air exhauster, is drawn in tobacco flue-curing house with the air by circulation greenhouse.Further, being additionally provided with blower fan in described tobacco flue-curing house, described blower fan is positioned at tobacco flue-curing house one end near described heater, and described blower fan is positioned at the top of tobacco flue-curing house and relative with described first air exhauster, described blower fan by wind to described indoor set.
Described indoor set and off-premises station can adopt the technology of prior art air actuator.Specifically, described indoor set includes air inlet, gas outlet, the second air exhauster, heat exchanger indoor unit, is placed in the drain pipe that the water leg below described heat exchanger indoor unit is connected with described water leg；The gas outlet of described indoor set connects with described circulation greenhouse.
Described heat exchanger indoor unit can adopt heat exchanger of the prior art, specifically, include but not limited to following structure, described heat exchanger indoor unit include the condensing tube for transmitting cold-producing medium, for carrying out some first fins of heat exchange with air.The two ends of condensing tube are connected with described off-premises station, cold-producing medium circulates in condensing tube with off-premises station, and gasify in the condensing tube part being positioned at the first fin place, absorb the heat of surrounding air and the first fin, first fin can carry out heat exchange rapidly with air peripherally simultaneously, strengthens the effect of the refrigerated dehumidification of heat exchanger indoor unit.
Further, described condensing tube is the bend pipe structure of roundabout type, so can increase the area of heat exchange, it is ensured that water in air air cooling is coagulated, and improves effect on moisture extraction.
In order to reduce the air loss within indoor set, reducing the load of air exhauster, further, described first fin is provided with through hole.
In order to drain condensed water in time, it is to avoid the accumulation of condensed water, further, described water leg be shaped as funnel type, the lower end of described water leg connects with drain pipe.
In order to the cold air passing into circulation greenhouse can be fully heated improvements, further, described circulation warm indoor are provided with cold air improvements device, described cold air improvements device includes the multilamellar cover body setting gradually from inside to outside and being sequentially communicated, described indoor set connects with the cover body of innermost layer, and outermost cover body connects with the inside in described circulation greenhouse.
The material that described cover body preferably employs heat conductivity high is made, heat-conducting metal conventional in prior art.The number of plies of described cover body can be configured according to practical situation, such as the size of the temperature of cold air, tolerance and circulation warm building volume, it is preferable that 2 ~ 5 layers.
Further, described cold air improvements device includes the internal layer cover body, middle level cover body and the outer layer cover body that set gradually from inside to outside；Described indoor set connects with the upper end of described internal layer cover body；The lower end of described internal layer cover body connects with described middle level cover body, and the upper end of described middle level cover body connects with described outer layer cover body, and the lower end of described outer layer cover body connects with the inside in circulation greenhouse.Such setting enables to cold air and discharges gradually to circulation greenhouse from internal layer cover body round, improvements of can being heated fully in the process of discharge.
Further, described blow vent is positioned at the upper end in circulation greenhouse.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention by being all disposed within the inside of tobacco flue-curing house by described indoor set and off-premises station, the refrigeration utilizing indoor set dehumidifies, cold wind machine indoor is delivered into the circulation greenhouse being positioned at outside tobacco flue-curing house simultaneously, cold wind returns again to tobacco flue-curing house after circulation greenhouse absorbs heat, so makes air form circulation between the inside of tobacco flue-curing house and circulation greenhouse.It addition, heat produced by off-premises station distributes in the inside of tobacco flue-curing house, make full use of the heat energy of off-premises station.So can remove the dampness within tobacco flue-curing house, utilize again the heat of external environment condition to carry out flue-cured tobacco, substantially increase heat utilization rate, and the fragrance of flue-cured tobacco is without leaking out tobacco flue-curing house.It addition, by the ingenious position arranging described indoor set, off-premises station and blow vent, be conducive to inside tobacco flue-curing house and air between tobacco flue-curing house and circulation greenhouse forms circulation.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the structural representation within the present invention.
Fig. 3 is the structural representation of indoor set described in embodiment 1.
Fig. 4 circulates the structural representation of cold air improvements device in greenhouse described in embodiment 2.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is further illustrated.Wherein, being merely cited for property of accompanying drawing illustrates, expression is only schematic diagram, but not pictorial diagram, it is impossible to it is interpreted as the restriction to this patent；In order to embodiments of the invention are better described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual object；It will be understood by those skilled in the art that some known features and explanation thereof are likely to omission and will be understood by accompanying drawing.
Embodiment 1
As illustrated in fig. 1 and 2, the tobacco flue-curing house of the circulation that gets warm again after a cold spell outside a kind of cold air chamber that dehumidifies, including the circulation greenhouse 3 being located at outside tobacco flue-curing house, air conditioner and heater 4, circulation greenhouse 3 is connected with the inside of tobacco flue-curing house by blow vent 31.Air conditioner includes the off-premises station 2 being connected for the indoor set 1 of refrigerating, dehumidifying with indoor set, and indoor set 1 and off-premises station 2 are placed in the inside of tobacco flue-curing house.
Indoor set 1 and off-premises station 2 are placed in the inside of tobacco flue-curing house, and heater 4 is positioned at one end of tobacco flue-curing house, indoor set 1 and off-premises station 2 and is positioned at the other end of tobacco flue-curing house, and indoor set connects with circulation greenhouse 3.
For the air formation circulation ensureing inside tobacco flue-curing house and between tobacco flue-curing house and circulation greenhouse, indoor set 1 is relative with off-premises station 2, indoor set 1 is positioned at the top of tobacco flue-curing house, and off-premises station 2 is positioned at the bottom of tobacco flue-curing house, and blow vent 31 is positioned at tobacco flue-curing house one end near heater 4.Being with moist hot-air to flow to indoor set 1 from heater 4, cold wind is led to circulation greenhouse 3 by indoor set 1, and the hot blast in circulation greenhouse 3 enters the bottom of tobacco flue-curing house then rising of being heated at heater 4 place from blow vent 31.
The air vent of off-premises station 2 is relative with heater 4, and blow vent is provided with the first air exhauster 5.Being additionally provided with blower fan 6 in tobacco flue-curing house, blower fan 6 is positioned at tobacco flue-curing house one end near heater 4, and blower fan 6 is positioned at the top of tobacco flue-curing house and relative with the first air exhauster 5, blower fan 6 by wind to indoor set 1.
As it is shown on figure 3, indoor set 1 includes the drain pipe 16 that the water leg 15 below air inlet 11, gas outlet the 12, second air exhauster 13, heat exchanger indoor unit 14, machine heat exchanger disposed within is connected with water leg.
Wherein, heat exchanger indoor unit 14 is connected with off-premises station 2, heat exchanger indoor unit 14 is placed between air inlet and gas outlet, heat exchanger indoor unit 14 includes the condensing tube 141 for transmitting cold-producing medium, for carrying out some first fins 142 of heat exchange with air, the first fin 142 is provided with through hole.
Wherein, condensing tube 141 is the bend pipe structure of roundabout type, the two ends of condensing tube 141 are connected with off-premises station 2, cold-producing medium circulates in condensing tube 141 with off-premises station 2, and gasify in the condensing tube part being positioned at the first fin 142 place, absorb the heat of surrounding air and the first fin 142, first fin 142 also carries out heat exchange with air peripherally rapidly simultaneously, moisture in air condenses on the first fin 142, condensed water droplet is fallen in water leg 15, water leg 15 be shaped as funnel type, the lower end of water leg 15 connects with drain pipe 16, condensed water is discharged outside tobacco flue-curing house by drain pipe.
The housing in circulation greenhouse 3 adopts the material that can absorb heat in a large number, and such as glass or PC plate, the light transmittance of above-mentioned material is higher, can absorb the amount of heat in the external world.
The gas outlet 11 of indoor set 1 connects with the air inlet 32 in circulation greenhouse 3, the gas outlet of the machine 1 indoor of cold wind produced by indoor set 1 is delivered to circulation greenhouse 3, cold wind is back to inside tobacco flue-curing house from the blow vent 31 in circulation greenhouse 3 again after circulation greenhouse 3 absorbs heat, utilize the heat outside tobacco flue-curing house to reduce or offset the produced impact of indoor set 1 refrigerated dehumidification, heat produced by off-premises station 2 distributes in the inside of tobacco flue-curing house simultaneously, make full use of the heat energy of indoor set, so make air form circulation between the inside of tobacco flue-curing house and circulation greenhouse.So can remove the dampness within tobacco flue-curing house, the utilization rate of heat energy can be improved again.
Embodiment 2
As shown in Figure 4, as different from Example 1, in order to the cold air passing into circulation greenhouse can be fully heated improvements, circulate in greenhouse 3 and be provided with cold air improvements device 7.
Cold air improvements device 7 includes the internal layer cover body 71 set gradually from inside to outside, middle level cover body 72 and outer layer cover body 73, the gas outlet 11 of indoor set connects with the upper end of internal layer cover body 71, the lower end of internal layer cover body 71 connects with middle level cover body 72, the upper end of middle level cover body 72 connects with outer layer cover body 73, the lower end of outer layer cover body 73 connects with the inside in circulation greenhouse 3, cold air discharges to circulation warm indoor from internal layer cover body 71 round gradually, the blow vent (blow vent connects with the bottom of tobacco flue-curing house) that air heats after improvements rises through being positioned at circulation upper end, greenhouse reenters inside tobacco flue-curing house.The material that cover body preferably employs heat conductivity high is made, heat-conducting metal conventional in prior art.
Other parts and annexation and embodiment 1 are identical.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.All any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within the protection domain of the claims in the present invention.
Claims (10)
1. get warm again after a cold spell outside the cold air chamber that dehumidifies the tobacco flue-curing house of circulation, it is characterised in that includes being located at circulating greenhouse, be located at the heater within tobacco flue-curing house and air conditioner tobacco flue-curing house outside；Described circulation greenhouse connects by blow vent and tobacco flue-curing house are internal；
Described air conditioner includes the off-premises station that the indoor set for refrigerating, dehumidifying is connected with described indoor set；Described indoor set and off-premises station are placed in the inside of tobacco flue-curing house；
Described heater is positioned at one end of tobacco flue-curing house, and described indoor set and off-premises station are positioned at the other end of described tobacco flue-curing house, and described indoor set connects with described circulation greenhouse.
2. get warm again after a cold spell outside dehumidifying cold air chamber according to claim 1 the tobacco flue-curing house circulated, it is characterised in that described indoor set is relative with off-premises station, and described indoor set is positioned at the top of tobacco flue-curing house, and described off-premises station is positioned at the bottom of tobacco flue-curing house；Described blow vent is positioned at tobacco flue-curing house one end near described heater.
3. get warm again after a cold spell outside dehumidifying cold air chamber according to claim 1 and 2 the tobacco flue-curing house circulated, it is characterised in that described off-premises station includes air vent, and described air vent is relative with described heater.
4. get warm again after a cold spell outside dehumidifying cold air chamber according to claim 3 the tobacco flue-curing house circulated, it is characterised in that described blow vent is provided with the first air exhauster.
5. get warm again after a cold spell outside dehumidifying cold air chamber according to claim 4 the tobacco flue-curing house circulated, it is characterized in that, it is additionally provided with blower fan in described tobacco flue-curing house, described blower fan is positioned at tobacco flue-curing house one end near described heater, described blower fan is positioned at the top of tobacco flue-curing house and relative with described first air exhauster, described blower fan by wind to described indoor set.
6. get warm again after a cold spell outside dehumidifying cold air chamber according to claim 1 the tobacco flue-curing house circulated, it is characterized in that, described indoor set includes air inlet, gas outlet, the second air exhauster, heat exchanger indoor unit, is placed in the drain pipe that the water leg below described heat exchanger indoor unit is connected with described water leg；The gas outlet of described indoor set connects with described circulation greenhouse.
7. get warm again after a cold spell outside dehumidifying cold air chamber according to claim 6 the tobacco flue-curing house of circulation, it is characterised in that described heat exchanger indoor unit includes the condensing tube for transmitting cold-producing medium, for carrying out some first fins of heat exchange with air.
8. get warm again after a cold spell outside dehumidifying cold air chamber according to claim 7 the tobacco flue-curing house circulated, it is characterised in that described first fin is provided with through hole.
9. get warm again after a cold spell outside dehumidifying cold air chamber according to claim 1 the tobacco flue-curing house circulated, it is characterized in that, described circulation warm indoor are provided with cold air improvements device, described cold air improvements device includes the multilamellar cover body setting gradually from inside to outside and being sequentially communicated, described indoor set connects with the cover body of innermost layer, and outermost cover body connects with the inside in described circulation greenhouse.
10. get warm again after a cold spell outside dehumidifying cold air chamber according to claim 9 the tobacco flue-curing house circulated, it is characterised in that described cold air improvements device includes the internal layer cover body, middle level cover body and the outer layer cover body that set gradually from inside to outside；Described indoor set connects with the upper end of described internal layer cover body；The lower end of described internal layer cover body connects with described middle level cover body, and the upper end of described middle level cover body connects with described outer layer cover body, and the lower end of described outer layer cover body connects with the inside in circulation greenhouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181287.1A CN105707966A (en) | 2016-03-28 | 2016-03-28 | Tobacco curing house realizing dehumidification cold air outdoor warming circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181287.1A CN105707966A (en) | 2016-03-28 | 2016-03-28 | Tobacco curing house realizing dehumidification cold air outdoor warming circulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105707966A true CN105707966A (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610181287.1A Pending CN105707966A (en) | 2016-03-28 | 2016-03-28 | Tobacco curing house realizing dehumidification cold air outdoor warming circulation |
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| Country | Link |
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| CN (1) | CN105707966A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106579530A (en) * | 2016-12-15 | 2017-04-26 | 中国烟草总公司广东省公司 | Tobacco baking room capable of dehumidifying and blowing |
| CN106690394A (en) * | 2016-12-15 | 2017-05-24 | 中国烟草总公司广东省公司 | Quick dehumidifying and blowing type tobacco curing chamber |
| CN111165857A (en) * | 2020-02-28 | 2020-05-19 | 广西中烟工业有限责任公司 | Tobacco flake storage process |
-
2016
- 2016-03-28 CN CN201610181287.1A patent/CN105707966A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106579530A (en) * | 2016-12-15 | 2017-04-26 | 中国烟草总公司广东省公司 | Tobacco baking room capable of dehumidifying and blowing |
| CN106690394A (en) * | 2016-12-15 | 2017-05-24 | 中国烟草总公司广东省公司 | Quick dehumidifying and blowing type tobacco curing chamber |
| CN111165857A (en) * | 2020-02-28 | 2020-05-19 | 广西中烟工业有限责任公司 | Tobacco flake storage process |
| CN111165857B (en) * | 2020-02-28 | 2022-04-19 | 广西中烟工业有限责任公司 | Tobacco flake storage process |
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Application publication date: 20160629 |