CN105361232A - Cyclically solar-heated tobacco curing barn - Google Patents
Cyclically solar-heated tobacco curing barn Download PDFInfo
- Publication number
- CN105361232A CN105361232A CN201510759248.0A CN201510759248A CN105361232A CN 105361232 A CN105361232 A CN 105361232A CN 201510759248 A CN201510759248 A CN 201510759248A CN 105361232 A CN105361232 A CN 105361232A
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- China
- Prior art keywords
- tobacco
- curing house
- chamber
- curing
- tobacco flue
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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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- Manufacture Of Tobacco Products (AREA)
Abstract
The invention relates to the technical field of tobacco curing equipment, in particular to a cyclically solar-heated tobacco curing barn. In the cyclically solar-heated tobacco curing barn, an upper air vent and a lower air vent are provided between a curing chamber and a heating chamber, a tobacco hanger for hanging tobacco is disposed in the curing chamber, and the wall of the curing chamber is provided with a louver moisture exhaust; a methanol combustion heater and a cyclic fan are disposed in the heating chamber, and the methanol combustion heater is disposed below the cyclic fan; the lower portion of a dewatering chamber is communicated with the louver moisture exhaust of the curing chamber, the upper portion of the dewatering chamber is communicated with an upper end of the heating chamber, and a dewatering device, a water drainer and an air intake auto-adjusting port are arranged in the dewatering chamber, the water drainer is disposed below the dewatering device, and the air intake auto-adjusting port is arranged in a wall of the dewatering chamber. A roof of the tobacco curing bar is also provided with a solar generator. The methanol is used as a clean energy source to cure the tobacco at a low cost without emission of smoke dust and sulfur dioxide, so that the requirement on energy conservation and environment protection is met.
Description
Technical field
The present invention relates to the technical field of flue-cured tobacco equipment, more specifically, relate to a kind of tobacco flue-curing house of solar energy circulation heating.
Background technology
Tobacco flue-curing house is indispensable basic equipment in cured tobacco production.Tobacco flue-curing house, after interior baking modulation, just shows the distinctive color of flue-cured tobacco, type, becomes the quality raw materials meeting cigarette industry needs.Its general principle is after tobacco leaf is heated, and the moisture in tobacco leaf is discharged, and is discharged outside tobacco flue-curing house, thus makes tobacco leaf scalding, drying after moisture vaporization.
In flue-cured tobacco preparation technology, can there is a series of Biochemical changes in tobacco leaf inside, dehydrate simultaneously, this process need lot of energy.The general fashion of energy ezpenditure is: produce heat energy by heating element heater, again by the air in heat dissipation equipment heating barn, hot-air does work to tobacco leaf, leaf temperature is raised, moisture loss is to leaf surface, and then vaporization is in air, form damp-heat air and discharge outside tobacco flue-curing house, the heat continued makes blade high temperature drying.In practice, heat exhaustion at least comprises: tobacco leaf temperature raises and aqueous vapor vaporization heat dissipation, discharges damp-heat air heat dissipation, tobacco flue-curing house enclosed structure and smoke hanging shelf heat dissipation etc. after entering the cold air heating of tobacco flue-curing house from exhaust outlet.And effectively can not utilize solar energy resources in prior art.
Summary of the invention
The present invention is for overcoming at least one defect described in above-mentioned prior art, and provide a kind of tobacco flue-curing house of solar energy circulation heating, this tobacco flue-curing house effectively can save energy, not only cost-saving, and non-exhaust emission, environmentally safe, and effectively utilize solar energy resources.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of tobacco flue-curing house of solar energy circulation heating, wherein, comprise baking vessel, for hot cell and dewatering station, ventilating opening and lower ventilating opening is provided with between described baking vessel and confession hot cell, be provided with the smoke hanging shelf of hanging tobacco leaf in described baking vessel, and baking vessel's wall is provided with shutter moisture exhausting port; Described heat supply indoor are provided with methyl alcohol combustion-type heater and circulating fan, and described methyl alcohol combustion-type heater is arranged on below circulating fan; The bottom of described dewatering station is communicated with the shutter moisture exhausting port of described baking vessel, the top of described dewatering station is communicated with the described upper end for hot cell, be provided with dewater unit, drainage arrangement and intake in dewatering station and automatically regulate mouth, described drainage arrangement is located at below dewater unit, and described intake regulates mouth to be located on dewatering station's wall automatically;
The quantity of described smoke hanging shelf is two and is arranged side by side, and smoke hanging shelf comprises the vertical montant of setting, the cross bar of horizontally set, and described montant bottom is provided with feet; Described cross bar is arranged cigarette folder.Described tobacco flue-curing house roof is also provided with device of solar generating.
Methyl alcohol combustion-type heater is using methyl alcohol as fuel, and environment protection clean, has sanitation and hygiene, safety, cheapness, raw material are easily purchased, the feature such as easy to use, is the biomass clean energy of national encourage growth.
In addition, in the present invention, room body can adopt brick mix structure or movable board room structure, and the benefit of brick mix structure is that its rugged construction is stablized, and can resist various abiogenous accident, and the carrying out baking of tobacco leaf Absorbable organic halogens is preserved.
And adopt the benefit of movable board room structure to be to facilitate installing/dismounting, because tobacco flue-curing house is generally built in the place near tobacco leaf growth, and consider the situation of soil, disease and pest, nutrient balance, the rule of a crop rotation in 3 years is generally followed in the growth of tobacco leaf, when earth complete one season cigarette production after, be likely not suitable for the growth of tobacco leaf, therefore, adopt movable board room structure entirety to move, meet the actual needs of production, improve the utilization rate of tobacco flue-curing house; The more important thing is and improve land utilization ratio, make soil can obtain rational layout, transfer to the place of production from unproductive place, improve the utilization rate of resource.
In addition, the length due to tobacco leaf is generally 60-70cm, and the number of plies that cross bar is arranged is 3-4 layer.
In the present invention, it is 8 meters because general tobacco flue-curing house is of a size of length, width is 2.7 meters, be highly 3 meters, the each length of this smoke hanging shelf is probably 8 meters, be highly probably 3 meters, and width is probably 1.3 meters, when two smoke hanging shelf are placed side by side, overall width is probably 2.7 meters, matches with the width of tobacco flue-curing house.And about the length of each cigarette folder also the chances are 1.2-1.3 rice.
In addition, hang due to existing dress and collect tobacco leaf and generally all complete in tobacco flue-curing house, its narrow space is difficult to operation, and first by cigarette folder tobacco leaf all can be filled in the outside of tobacco flue-curing house in the present invention and hang in smoke hanging shelf, then first one of them smoke hanging shelf is advanced in tobacco flue-curing house, then another one smoke hanging shelf is advanced in tobacco flue-curing house, the process collecting tobacco leaf is also the same again.Like this, the dress facilitating personnel is hung and collects the operation of tobacco leaf, saves the time that dress is hung and collected tobacco leaf, improves operating efficiency.
Further, described methyl alcohol combustion-type heater comprises head, the first heating box, radiator, the second heating box and blast pipe, described head is connected with the first heating box, described radiator two ends connect the first heating box and the second heating box respectively, and the second heating box tail end is located at by described blast pipe; Be provided with methanol burner in described head, described methanol burner is connected with cartridge.
Further, described radiator two ends are that seamless riveting mouth mode is connected with the first heating box and the second heating box respectively, and riveting mouth formula junction also scribbles biological glue sealing; Thus reach gastight effects of energy conservation and environmental protection, without any peculiar smell after tobacco flue-curing, keep original fragrance of tobacco leaf simultaneously.
Radiator comprises some radiating copper aluminum finned tube good heat dissipation effect.
Further, described dewater unit comprises dehydration blower fan and dehydration bend pipe, and described dehydration blower fan is located at above described dehydration bend pipe, and described dehydration bend pipe is provided with water inlet switch, water inlet, effluent switch and delivery port.Described drainage arrangement comprises cistern, draining pump and drainpipe, and subsurface is located at by described cistern, and described draining pump is located in described cistern, and described drainpipe connects described draining pump.
Invention also comprises PLC, described methyl alcohol combustion-type heater, Temperature Humidity Sensor, intake regulate mouth, water inlet switch, effluent switch, circulating fan, electrical heating machine and dehydration blower fan to be all connected with described PLC automatically, and control by PLC.
Further, described cigarette presss from both sides the Pulling-off prevention clamp comprising crossbeam, be located at the plug at crossbeam two ends, be located at plug upper end, and also comprise square tube, the downside of square tube is laid with many contact pins, many contact pins insert in the groove of crossbeam, and the two ends of square tube are fixed on plug by Pulling-off prevention clamp.
The present invention utilizes contact pin to clamp tobacco leaf, can make tobacco leaf marshalling, and thickness is even, prevents tobacco leaf from coming off in bake process, improves baking quality of tobacco.And reduce the labour intensity of tobacco grower, save recruitment, reduce energy resource consumption, saved cost, tobacco grower of the present invention is easy to learn, be conducive to further genralrlization application.
Further, described device of solar generating comprises photovoltaic battery panel, the charging-discharging controller be connected with photovoltaic battery panel, the battery be connected with charging-discharging controller, the DC/AC inverter that is connected with charging-discharging controller, and DC/AC inverter connects AC load.
The electricity that photovoltaic battery panel produces is by charging-discharging controller and DC/AC inverter for AC load provides electric power, and in the non-electric situation of AC load, this electricity input battery is for subsequent use.In the present invention, AC load is methyl alcohol combustion-type heater, Temperature Humidity Sensor, intake regulate mouth, water inlet switch, effluent switch, circulating fan automatically, electrical heating machine and dehydration blower fan etc.Device of solar generating is also for PLC is powered.
Compared with prior art, beneficial effect is: the present invention utilizes methyl alcohol for clean energy resource, low for tobacco flue-curing cost, does not have flue dust and sulfur dioxide (SO2) emissions, thus reaches the requirement of energy-conserving and environment-protective;
The heat of discharging can be separated with moisture when hydrofuge by dewater unit of the present invention, thus the object reused after reaching heat recovery, not only air can be recycled, and can really for tobacco grower saves the cost of baking tobacco leaves, the heat secondary utilization rate reclaimed after dehydration can reach 20%;
Can Based Intelligent Control be realized, accurate Controlling Technology process, improve flue cured tobacco quality class, reduction in the numbers of seconds, reduce labour intensity.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is that the present invention is for the right TV structure schematic diagram in hot cell.
Fig. 3 is methyl alcohol combustion-type heater schematic diagram of the present invention.
Fig. 4 is another schematic diagram of methyl alcohol combustion-type heater of the present invention.
Fig. 5 is smoke hanging shelf structural representation of the present invention.
Fig. 6 is cigarette of the present invention folder schematic diagram.
Fig. 7 is device of solar generating schematic diagram of the present invention.
Detailed description of the invention
Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent; In order to better the present embodiment is described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.Describe position relationship in accompanying drawing only for exemplary illustration, the restriction to this patent can not be interpreted as.
As shown in figures 1 to 6, a kind of tobacco flue-curing house of solar energy circulation heating, wherein, comprise baking vessel 1, for hot cell 2 and dewatering station 3, ventilating opening 4 and lower ventilating opening 5 is provided with between baking vessel 1 and confession hot cell 2, be provided with the smoke hanging shelf 6 of hanging tobacco leaf in baking vessel 1, and baking vessel's wall is provided with shutter moisture exhausting port 7; Be provided with methyl alcohol combustion-type heater 8 and circulating fan 9 in hot cell 2, methyl alcohol combustion-type heater 8 is arranged on below circulating fan 9; The bottom of dewatering station 3 is communicated with the shutter moisture exhausting port 7 of described baking vessel 1, the top of dewatering station 3 is communicated with the described upper end for hot cell 2, be provided with dewater unit, drainage arrangement and intake in dewatering station 3 and automatically regulate mouth 15, drainage arrangement is located at below dewater unit, and intake regulates mouth 15 to be located on dewatering station's wall automatically;
The quantity of smoke hanging shelf 6 is two and is arranged side by side, and smoke hanging shelf 6 comprises the vertical montant 61 of setting, the cross bar 62 of horizontally set, and described montant 61 bottom is provided with feet 63; Cross bar 62 is arranged cigarette folder 50.Tobacco flue-curing house roof is also provided with device of solar generating 01.
Methyl alcohol combustion-type heater 8 comprises head 81, first heating box 82, radiator 83, second heating box 84 and blast pipe 85, head 81 is connected 82 with the first heating box, radiator 83 two ends connect the first heating box 82 and the second heating box 84 respectively, and the second heating box 84 tail end is located at by blast pipe 85; Be provided with methanol burner 86 in head 81, described methanol burner 86 is connected with cartridge 87.
Radiator 83 two ends are that seamless riveting mouth mode is connected with the first heating box 82 and the second heating box 84 respectively, and riveting mouth formula junction also scribbles biological glue sealing;
Radiator 83 comprises some radiating copper aluminum finned tubes 88, and radiating copper aluminum finned tube 88 tube wall is provided with the fin 89 of evagination.Radiator 83 can adopt the mode of Fig. 3 or Fig. 4.
Dewater unit comprises dehydration blower fan 10 and dehydration bend pipe 11, and described dehydration blower fan 10 is located at above described dehydration bend pipe 11, and described dehydration bend pipe 11 is provided with water inlet switch 16, water inlet, effluent switch 17 and delivery port.Drainage arrangement comprises cistern 12, draining pump 13 and drainpipe 14, and subsurface is located at by described cistern 12, and described draining pump 13 is located in described cistern 12, and described drainpipe 14 connects described draining pump 13.
The Pulling-off prevention clamp 503 that cigarette folder 50 comprises crossbeam 501, is located at the plug 502 at crossbeam 501 two ends, is located at plug 502 upper end, also comprise square tube 504, the downside of square tube 504 is laid with many contact pins 505, many contact pins 505 insert in the groove of crossbeam 501, and the two ends of square tube 504 are fixed on plug 502 by Pulling-off prevention clamp 503.
In addition, the length due to tobacco leaf is generally 60-70cm, and the number of plies that cross bar is arranged is 3-4 layer.
In the present invention, it is 8 meters because general tobacco flue-curing house is of a size of length, width is 2.7 meters, be highly 3 meters, the each length of this smoke hanging shelf is probably 8 meters, be highly probably 3 meters, and width is probably 1.3 meters, when two smoke hanging shelf are placed side by side, overall width is probably 2.7 meters, matches with the width of tobacco flue-curing house.And about the length of each cigarette folder also the chances are 1.2-1.3 rice.
In addition, hang due to existing dress and collect tobacco leaf and generally all complete in tobacco flue-curing house, its narrow space is difficult to operation, and first by cigarette folder tobacco leaf all can be filled in the outside of tobacco flue-curing house in the present invention and hang in smoke hanging shelf, then first one of them smoke hanging shelf is advanced in tobacco flue-curing house, then another one smoke hanging shelf is advanced in tobacco flue-curing house, the process collecting tobacco leaf is also the same again.Like this, the dress facilitating personnel is hung and collects the operation of tobacco leaf, saves the time that dress is hung and collected tobacco leaf, improves operating efficiency.
As in Fig. 7, device of solar generating 01 comprises photovoltaic battery panel 101, the charging-discharging controller 102 be connected with photovoltaic battery panel 101, the battery 105 be connected with charging-discharging controller 102, the DC/AC inverter 103 that is connected with charging-discharging controller 102, and DC/AC inverter 103 connects AC load 104.
The electricity that photovoltaic battery panel 101 produces is by charging-discharging controller 102 and DC/AC inverter 103 for AC load 104 provides electric power, and in the non-electric situation of AC load 104, this electricity input battery 105 is for subsequent use.In the present invention, AC load is methyl alcohol combustion-type heater, Temperature Humidity Sensor, intake regulate mouth, water inlet switch, effluent switch, circulating fan automatically, electrical heating machine and dehydration blower fan etc.Device of solar generating is also for PLC is powered.
In the present invention, operation principle, the hot blast that methyl alcohol combustion-type heater 8 produces enters baking vessel 1 through circulating fan 9, and hot blast by upper ventilating opening 4 and lower ventilating opening 5 in baking vessel 1 with for hot cell 2 Inner eycle.Moisture in baking vessel 1 is discharged from shutter moisture exhausting port 7, and the heat of discharging can be separated with moisture when hydrofuge by dewater unit, and the moisture content after separation stores at cistern 12, and is discharged by draining pump 13 and drainpipe 14.And the heat of discharge enters for hot cell 2 through the top of dewatering station 3 with the upper end connecting pipe for hot cell 2 when hydrofuge by dewater unit again, thus the object reused after reaching heat recovery, not only air can be recycled, and can really for tobacco grower saves the cost of baking tobacco leaves, the heat secondary utilization rate reclaimed after dehydration can reach 20%.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, 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 exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (7)
1. the tobacco flue-curing house of a solar energy circulation heating, it is characterized in that, comprise baking vessel (1), for hot cell (2) and dewatering station (3), ventilating opening (4) and lower ventilating opening (5) is provided with between described baking vessel (1) and confession hot cell (2), be provided with the smoke hanging shelf (6) of hanging tobacco leaf in described baking vessel (1), and baking vessel's wall is provided with shutter moisture exhausting port (7); Described confession is provided with methyl alcohol combustion-type heater (8) and circulating fan (9) in hot cell (2), and described methyl alcohol combustion-type heater (8) is arranged on circulating fan (9) below; The bottom of described dewatering station (3) is communicated with the shutter moisture exhausting port (7) of described baking vessel (1), the top of described dewatering station (3) is communicated with the described upper end for hot cell (2), be provided with dewater unit, drainage arrangement and intake in dewatering station (3) and automatically regulate mouth (15), described drainage arrangement is located at below dewater unit, and described intake regulates mouth (15) to be located on dewatering station's wall automatically;
The quantity of described smoke hanging shelf (6) is two and is arranged side by side, and smoke hanging shelf (6) comprises the vertical montant (61) of setting, the cross bar (62) of horizontally set, and described montant (61) bottom is provided with feet (63); Described cross bar (62) is arranged cigarette folder (50); Described tobacco flue-curing house roof is also provided with device of solar generating (01).
2. the tobacco flue-curing house of a kind of solar energy circulation heating according to claim 1, it is characterized in that: described methyl alcohol combustion-type heater (8) comprises head (81), the first heating box (82), radiator (83), the second heating box (84) and blast pipe (85), described head (81) is connected (82) with the first heating box, described radiator (83) two ends connect the first heating box (82) and the second heating box (84) respectively, and the second heating box (84) tail end is located at by described blast pipe (85); Be provided with methanol burner (86) in described head (81), described methanol burner (86) is connected with cartridge (87).
3. the tobacco flue-curing house of a kind of solar energy circulation heating according to claim 2, it is characterized in that: described radiator (83) two ends are that seamless riveting mouth mode is connected with the first heating box (82) and the second heating box (84) respectively, and riveting mouth formula junction also scribbles biological glue sealing;
Radiator (83) comprises some radiating copper aluminum finned tubes (88).
4. the tobacco flue-curing house of a kind of solar energy circulation heating according to claim 3, it is characterized in that: described dewater unit comprises dehydration blower fan (10) and dehydration bend pipe (11), described dehydration blower fan (10) is located at described dehydration bend pipe (11) top, and described dehydration bend pipe (11) is provided with water inlet switch (16), water inlet, effluent switch (17) and delivery port.
5. the tobacco flue-curing house of a kind of solar energy circulation heating according to claim 4, it is characterized in that: described drainage arrangement comprises cistern (12), draining pump (13) and drainpipe (14), subsurface is located at by described cistern (12), described draining pump (13) is located in described cistern (12), and described drainpipe (14) connects described draining pump (13).
6. according to the tobacco flue-curing house of the arbitrary described a kind of solar energy circulation heating of claim 1 to 5, it is characterized in that: the Pulling-off prevention clamp (503) that described cigarette folder (50) comprises crossbeam (501), is located at the plug (502) at crossbeam (501) two ends, is located at plug (502) upper end, also comprise square tube (504), the downside of square tube (504) is laid with many contact pins (505), many contact pins (505) are inserted in the groove of crossbeam (501), and the two ends of square tube (504) are fixed on plug (502) by Pulling-off prevention clamp (503).
7. according to the tobacco flue-curing house of the arbitrary described a kind of solar energy circulation heating of claim 1 to 5, it is characterized in that: described device of solar generating (01) comprises photovoltaic battery panel (101), the charging-discharging controller (102) be connected with photovoltaic battery panel (101), the battery (105) be connected with charging-discharging controller (102), the DC/AC inverter (103) that is connected with charging-discharging controller (102), DC/AC inverter (103) connects AC load (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510759248.0A CN105361232A (en) | 2015-11-10 | 2015-11-10 | Cyclically solar-heated tobacco curing barn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510759248.0A CN105361232A (en) | 2015-11-10 | 2015-11-10 | Cyclically solar-heated tobacco curing barn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105361232A true CN105361232A (en) | 2016-03-02 |
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ID=55364317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510759248.0A Pending CN105361232A (en) | 2015-11-10 | 2015-11-10 | Cyclically solar-heated tobacco curing barn |
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| Country | Link |
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| CN (1) | CN105361232A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105661615A (en) * | 2016-03-28 | 2016-06-15 | 中国烟草总公司广东省公司 | Intelligent tobacco curing barn |
| CN105661614A (en) * | 2016-03-28 | 2016-06-15 | 中国烟草总公司广东省公司 | Energy-saving and environment-friendly tobacco curing barn |
| CN105686048A (en) * | 2016-03-28 | 2016-06-22 | 中国烟草总公司广东省公司 | Air heat energy bi-directional utilization circulation flue-cured tobacco system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202919008U (en) * | 2012-10-25 | 2013-05-08 | 刘国良 | Comb type tobacco clamp |
| CN203505553U (en) * | 2013-12-31 | 2014-04-02 | 卢招苟 | Tobacco roasting room by adopting multiple heat sources |
| CN203986045U (en) * | 2014-08-21 | 2014-12-10 | 卢小贤 | A kind of methyl alcohol heat-supply type tobacco flue-curing house |
-
2015
- 2015-11-10 CN CN201510759248.0A patent/CN105361232A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202919008U (en) * | 2012-10-25 | 2013-05-08 | 刘国良 | Comb type tobacco clamp |
| CN203505553U (en) * | 2013-12-31 | 2014-04-02 | 卢招苟 | Tobacco roasting room by adopting multiple heat sources |
| CN203986045U (en) * | 2014-08-21 | 2014-12-10 | 卢小贤 | A kind of methyl alcohol heat-supply type tobacco flue-curing house |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105661615A (en) * | 2016-03-28 | 2016-06-15 | 中国烟草总公司广东省公司 | Intelligent tobacco curing barn |
| CN105661614A (en) * | 2016-03-28 | 2016-06-15 | 中国烟草总公司广东省公司 | Energy-saving and environment-friendly tobacco curing barn |
| CN105686048A (en) * | 2016-03-28 | 2016-06-22 | 中国烟草总公司广东省公司 | Air heat energy bi-directional utilization circulation flue-cured tobacco system |
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Application publication date: 20160302 |
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