CN104997149A - Tobacco curing barn adopting biogas heating - Google Patents
Tobacco curing barn adopting biogas heating Download PDFInfo
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- CN104997149A CN104997149A CN201510393219.7A CN201510393219A CN104997149A CN 104997149 A CN104997149 A CN 104997149A CN 201510393219 A CN201510393219 A CN 201510393219A CN 104997149 A CN104997149 A CN 104997149A
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- tobacco
- flue
- air inlet
- biogas
- curing house
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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 belongs to the tobacco curing equipment technical field and relates to a tobacco curing barn adopting biogas heating. According to the tobacco curing barn adopting biogas heating, the lower part of a hot air chamber is provided with a first fan adjacent to an air inlet; the lower part of a tobacco curing barn is provided with a second fan which blows air upwards and is opposite to the first fan; a tobacco hanging rack comprises vertically-arranged vertical rods and transversely-arranged transverse bars, wherein the vertical rods are provided with a plurality of clamping portions for clamping the transverse bars; the air inlet and an air return opening are respectively provided with an air inlet gate and an air return opening gate; a heating device is a biogas heating device; the tobacco curing barn and the hot air chamber can be independent from each other or communicated with each other in a tobacco curing process and a non tobacco curing process respectively, and therefore, waste generated in the hot air chamber can be prevented from entering the tobacco curing barn in the non tobacco curing process, and tobacco will not be polluted or damaged, and the tobacco can be clear assuredly, and the quality of the tobacco can be improved in a follow-up procedure; and the biogas heating device adopts biogas as a fuel, and therefore, environmental friendliness and cleanness can be realized. The tobacco curing barn adopting biogas heating has the advantages of being clean, hygienic, safe and cheap, high efficiency, convenient use and so on.
Description
Technical field
The present invention relates to the technical field of flue-cured tobacco equipment, more specifically, relate to the tobacco flue-curing house of a kind of biogas 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.
Existing smoke hanging shelf can not adjust, make user hang tobacco leaf and collect tobacco leaf process in inconvenient.And flue-cured tobacco room is directly communicated with hot air chamber, the quality of tobacco leaf may be affected.And be generally using coal as fuel, its thermal losses is large, and effective utilization rate of thermal energy is low, not easily extensive use.
Summary of the invention
The present invention, for overcoming at least one defect described in above-mentioned prior art, provides the tobacco flue-curing house that a kind of biogas heats, and its structure is simple, easy to use, and can not affect the quality of tobacco leaf, and using biogas as fuel, environment protection clean.
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 biogas heating, wherein, comprise the hot air chamber being provided with heater, the flue-cured tobacco room being provided with smoke hanging shelf, form cycle flue by air inlet and return air inlet between flue-cured tobacco room and hot air chamber, described heater connects heat exchanger tube;
Described hot air chamber bottom is provided with the first blower fan near air inlet, and described bottom, flue-cured tobacco room and the opposite position of the first blower fan are provided with the second blower fan to up-draught; Described smoke hanging shelf comprises the vertical montant of setting, the cross bar of horizontally set, and described montant is provided with the Access Division of multiple clamping cross bar;
Described air inlet and return air inlet place are respectively equipped with air inlet gate, return air inlet gate;
Described heater is biogas heater.
In the present invention, air inlet aimed at by the first blower fan, make hot blast blow to flue-cured tobacco room from hot air chamber, and the sidewall bottom of flue-cured tobacco room is located at by the second blower fan, makes to accelerate to rise from the hot blast of the first blower fan blowout in side-walls, then is back in hot air chamber by return air inlet.And biogas heater is using biogas as fuel, environment protection clean, has the features such as sanitation and hygiene, safety, cheapness, the efficiency of heating surface be high, easy to use.
In the present invention, be air-flow ascending manner tobacco flue-curing house, the air of flue-cured tobacco indoor moves from bottom to top and carries out damp and hot exchange with tobacco leaf; Certainly, change the position of blower fan and can change into airflow descending type compression tobacco flue-curing house, the air of flue-cured tobacco indoor is moved from top to bottom and carries out damp and hot exchange with tobacco leaf, the conversion of above-mentioned position is also in protection scope of the present invention.In addition, also can reduce the quantity of blower fan according to actual needs, as long as ensure the circulating effect of air.
In addition, in the present invention, room body can adopt brick mix 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.
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.
And montant is provided with the Access Division of multiple clamping cross bar, during use, tobacco leaf is fixedly hung on cross bar, and after being provided with Access Division, cross bar can be connected to the position of differing heights on montant, adapt to the requirement of different size and size tobacco leaf, made tobacco leaf drop on the ground after fixation.In addition, Height Adjustable owing to being provided with Access Division rear transverse rod, make user hang tobacco leaf and collect tobacco leaf process in convenient, during as hung tobacco leaf, first cross bar can be connected to the position meeting user's height, after fixedly mounting, then this cross bar is adjusted to other height and position by instrument, the process collecting tobacco leaf is also similar.
Further, owing to being provided with air inlet gate, return air inlet gate, this air inlet gate and return air inlet gate control opening and closing by control device, and when needs flue-cured tobacco, air inlet gate and return air inlet gate are opened, hot air circulation; When not needing flue-cured tobacco, air inlet gate and return air inlet closing gate.Like this, flue-cured tobacco and flue-cured tobacco room in the process of non-flue-cured tobacco and hot air chamber can be spatially independent or be communicated with, the waste material produced in hot air chamber is prevented to enter flue-cured tobacco room when non-flue-cured tobacco, tobacco leaf can not be polluted or damage, ensure that the clean, clean of tobacco leaf, improve the quality of tobacco in down-stream.
Further, be the inclined-plane of the first blower fan wind direction far-end higher than near-end bottom described flue-cured tobacco room.The design of flue-cured tobacco room bottom bevel better can guide the rising of flue gas stream.
Further, described Access Division is around being located at montant circumferential exterior.More convenient during the installation cross bar being like this, the position of cross bar can be regulated at any time.
Further, described flue-cured tobacco room sidewall is provided with moisture exhausting port.Described moisture exhausting port is provided with dehumidifier.Along with the raising of baking efficiency, flue-cured tobacco room arranges corresponding moisture exhausting port and dehumidifier can improve hydrofuge performance.
Further, heater comprises methane-generating pit, connecting pipe, the pressure switch be located in connecting pipe, and connecting pipe one end connects methane-generating pit, and the other end connects combustion section, and combustion section connects heat exchanger tube.
The biogas of methane-generating pit is utilized to enter combustion section burning by pressure switch adjusted volume size, the heat delivery of combustion section being burnt is to heat exchanger tube, biogas heat supply is utilized to not only save cost, more save and environmental protection, particularly now can by the biogas Appropriate application of raising pigs to tobacco flue-curing house, economize energy, reduces costs.
Further, the bottom of tobacco flue-curing house is located at by described methane-generating pit, and methane-generating pit is communicated with by discarded hole with tobacco flue-curing house.In the present invention, methane-generating pit can be located at the bottom of tobacco flue-curing house, general, inside land for growing field crops, a cigarette has 20 tobacco leaves, but the needs produced, each two panels tobacco leaf is not end to end, as long as 16 of centre tobacco leaves, therefore, 4 discarded tobacco leaves can be placed in methane-generating pit, and methane-generating pit can put some other waste material, the resource that effectively can utilize tobacco flue-curing house is set like this, and also saves the space that methane-generating pit is set in addition.
Compared with prior art, beneficial effect is: the flue gas stream of the present invention by ascending manner and the setting of cooperation flue gas water conservancy diversion, thus promotes flue gas recirculation speed, and the efficiency of tobacco flue-curing and quality are improved significantly.And after being provided with Access Division, cross bar can be connected to the position of differing heights on montant, adapt to the requirement of different size and size tobacco leaf, made tobacco leaf drop on the ground after fixation.In addition, Height Adjustable owing to being provided with Access Division rear transverse rod, make user hang tobacco leaf and collect tobacco leaf process in convenient.
Flue-cured tobacco and flue-cured tobacco room in the process of non-flue-cured tobacco and hot air chamber can be spatially independent or be communicated with, the waste material produced in hot air chamber is prevented to enter flue-cured tobacco room when non-flue-cured tobacco, tobacco leaf can not be polluted or damage, ensure that the clean, clean of tobacco leaf, improve the quality of tobacco in down-stream.
And biogas heater is using biogas as fuel, environment protection clean, has the features such as sanitation and hygiene, safety, cheapness, the efficiency of heating surface be high, easy to use.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is smoke hanging shelf structural representation of the present invention.
Fig. 3 is montant cross section structure schematic diagram of the present invention.
Fig. 4 is heater 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 Figure 1-3, a tobacco flue-curing house for biogas heating, wherein, comprises the hot air chamber 2 being provided with heater 4, the flue-cured tobacco room 1 being provided with smoke hanging shelf 3, form cycle flue by air inlet 5 and return air inlet 6 between flue-cured tobacco room 1 and hot air chamber 2, heater 4 connects heat exchanger tube 7;
Hot air chamber 2 bottom is provided with the first blower fan 9 near air inlet 5, and the opposite position of bottom, flue-cured tobacco room 1 and the first blower fan 9 is provided with the second blower fan 91 to up-draught; Smoke hanging shelf 3 comprises the vertical montant 31 of setting, the cross bar 32 of horizontally set, and montant 31 is provided with the Access Division 311 of multiple clamping cross bar 32;
Air inlet 5 and return air inlet 6 place are respectively equipped with air inlet gate 100, return air inlet gate 200;
Heater 4 is biogas heater.
In the present embodiment, air inlet 5 aimed at by first blower fan 9, make hot blast blow to flue-cured tobacco room 1 from hot air chamber 2, and the sidewall bottom of flue-cured tobacco room 1 is located at by the second blower fan 91, make the hot blast blown out from the first blower fan 9 accelerate to rise in side-walls, then be back in hot air chamber 2 by return air inlet 6.
And montant 31 is provided with the Access Division 311 of multiple clamping cross bar, during use, tobacco leaf is fixedly hung on cross bar 32, and after being provided with Access Division 311, cross bar can be connected to the position of differing heights on montant, adapt to the requirement of different size and size tobacco leaf, made tobacco leaf drop on the ground after fixation.In addition, Height Adjustable owing to being provided with Access Division 311 rear transverse rod, make user hang tobacco leaf and collect tobacco leaf process in convenient, during as hung tobacco leaf, first cross bar can be connected to the position meeting user's height, after fixedly mounting, then this cross bar is adjusted to other height and position by instrument, the process collecting tobacco leaf is also similar.
Owing to being provided with air inlet gate 100, return air inlet gate 200, this air inlet gate 100 and return air inlet gate 200 control opening and closing by control device, and when needs flue-cured tobacco, air inlet gate 100 and return air inlet gate 200 are opened, hot air circulation; When not needing flue-cured tobacco, air inlet gate 100 and return air inlet gate 200 are closed.Like this, flue-cured tobacco and flue-cured tobacco room in the process of non-flue-cured tobacco and hot air chamber can be spatially independent or be communicated with, the waste material produced in hot air chamber is prevented to enter flue-cured tobacco room when non-flue-cured tobacco, tobacco leaf can not be polluted or damage, ensure that the clean, clean of tobacco leaf, improve the quality of tobacco in down-stream.
In the present embodiment, be the inclined-plane of the first blower fan 9 wind direction far-end higher than near-end bottom flue-cured tobacco room 1.Access Division 311 is around being located at montant 31 circumferential exterior.Flue-cured tobacco room 1 sidewall is provided with moisture exhausting port 10.Moisture exhausting port 10 is provided with dehumidifier 11.
The design of flue-cured tobacco room 1 bottom bevel better can guide the rising of flue gas stream.Access Division 311 is more convenient around being located at when montant 31 circumferential exterior makes to install cross bar, can regulate the position of cross bar at any time.Along with the raising of baking efficiency, flue-cured tobacco room 1 arranges corresponding moisture exhausting port 10 and dehumidifier 11 can improve hydrofuge performance.
As shown in Figure 4, heater 4 comprises methane-generating pit 41, connecting pipe, the pressure switch 42 be located in connecting pipe, and connecting pipe one end connects methane-generating pit 41, and the other end connects combustion section 43, and combustion section 43 connects heat exchanger tube 7.
Utilize the biogas of methane-generating pit 41 to enter combustion section 43 by pressure switch 42 adjusted volume size to burn, the heat delivery of combustion section 43 being burnt is to heat exchanger tube, biogas heat supply is utilized to not only save cost, more save and environmental protection, particularly now can by the biogas Appropriate application of raising pigs to tobacco flue-curing house, economize energy, reduces costs.
The bottom of tobacco flue-curing house is located at by described methane-generating pit, and methane-generating pit is communicated with by discarded hole with tobacco flue-curing house.In the present invention, methane-generating pit can be located at the bottom of tobacco flue-curing house, general, inside land for growing field crops, a strain cigarette has 20 tobacco leaves, but the needs produced, each two panels tobacco leaf is not end to end, as long as 16 of centre tobacco leaves, therefore, 4 discarded tobacco leaves can be placed in methane-generating pit, and methane-generating pit can put some other waste material, the resource that effectively can utilize tobacco flue-curing house is set like this, and also saves the space that methane-generating pit is set in addition.Further, above-mentioned waste tobacco leaf can be used as fertilizer, can digest the inapplicable tobacco leaf of Tanaka, reduces the processing cost of waste tobacco leaf.
Operation principle: after heat exchanger tube 7 is heated, flue gas in hot air chamber 2 around heat exchanger tube 7 is heated, then the first blower fan 9 rotates the flue gas of rear formation negative pressuren zone attraction heating and enters into flue-cured tobacco room 1 by air inlet 5, under the guide functions on inclined-plane 8, flue gas rises fast, second blower fan 91 accelerates the rate of climb, tobacco leaf in smoke hanging shelf 3 is toasted, moisture in tobacco leaf is evaporated, moisture after vaporization is discharged by auxiliary moisture exhausting port 10, remaining flue gas is then got back to hot air chamber 2 by return air inlet 6 and is again heated by heat-transfer pipe 7, the steam of the non-emptying of part is also discharged by the moisture exhausting port (not shown) of hot air chamber simultaneously, then the flue gas heated again attract by negative pressuren zone, thus cycle flue is defined between hot air chamber 2 and flue-cured tobacco room 1, tobacco leaf is constantly toasted.Because the moisture exhausting port of auxiliary moisture exhausting port 10 and hot air chamber has discharged partial fume, therefore in hot air chamber, stably can supplement flue gas, make the exhaust gas volumn in tobacco flue-curing house and temperature can both keep stable.
In the present embodiment, the Design calcu-lation of heating equipment
Maximum calorific requirement
In the tobacco leaf maximum dehydration stage, baking calorific requirement is maximum.Calculate the dress smoke which mq of barn according to barn cigarette-filling house volume and smoke filling density, tobacco leaf maximum water holding capacity is Wq, and maximum dehydrating speed is Ws, then unit interval maximum fluid loss Sp=mqwqws; Environmentally condition, h-d figure is utilized to find water capacity dk, the dp of air inlet cold air and moisture exhausting port hot-air, enthalpy hkc, hp, dry air amount Gkg=Sp/ (dp-dk) needed for unit interval hydrofuge=mqwqws/ (dp-dk), maximum efficient heat (moisture evaporation maximum belt walks heat) Qz=GKg (hp-hkc)=(hp-hkc) mqwqws/ (dp-dk) of unit interval; Maximum calorific requirement Qgr=Qz/ η=(hp-hkc) mqwqws/ (dp-dk) η can be extrapolated by the thermal efficiency η of barn
formula (1).
Heat exchange area
The size of heat exchange area is relevant with the thermal conductivity factor of the maximum calorific requirement of barn and heat exchanger materials, the ratio that heat exchanger area of dissipation (Ag) is maximum calorific requirement and radiating tube heat transfer coefficient (Kgt) and cigarette inner tube smoke mean temperature (tej) product: Ag=Qgr/ (Kgt.tej)
formula (2).
Maximum consumption fuel quantity
After trying to achieve the maximum calorific requirement (i.e. the maximum heating load of burner) of unit interval according to design hothouse baking ability, barn unit interval maximum consumption fuel quantity (Gpm) can be calculated.
Gpm=Qgr/Qnet.ar
(3), in formula Qgr be the barn unit interval maximum calorific requirement KJ/h, Qnet.ar be the calorific capacity KJ/Kg of fuel.
Bulk curing barn tobacco leaf calorific requirement calculates:
Maximum calorific requirement
Bulk curing barn cigarette-filling house specification is 800cm × 270cm × 350cm, and cigarette-filling house's volume is 75.6m
3: smoke filling density is 59.52 ~ 66.14 ㎏/m
3, for calculating the maximum heating load of barn, get its maximum 66.14 ㎏/m here
3; The dress smoke which of bulk curing barn is the long-pending of cigarette-filling house's volume and smoke filling density: 75.6m
3× 66.14 ㎏/m
3=5000 kg
The water content of fresh tobacco leaf is generally 80-90%, gets maximum W here
q=90%; Moisture content in leaves vaporization speed capping W during large hydrofuge
s=2.5%; The water capacity capping d of the waste gas that moisture exhausting port is discharged
p=0.046kg/kg dry air; The water capacity that air intake hole enters the cold air of barn removes the limit d
k=0.021kg/kg dry air; By looking into h-d figure, known discharge hot-air and the enthalpy entering cold air, hp=134.4kJ/kg, h
kc=79.8kJ/kg: the thermal efficiency general about 40% of bulk curing barn.Bring above each value into formula (1), the maximum calorific requirement of bulk curing barn can be calculated: Qgr=609749.45 kJ/h.
In the present embodiment, using biogas as fuel.
Biogas (Biogas) is the imflammable gas that organic matter produces through microbiological anaerobic digestion.Because first this gas be found at marshland, therefore named biogas.Biogas is the mixture of multiple gases, and general containing methane 50 ~ 70%, all the other are carbon dioxide and a small amount of nitrogen, hydrogen and hydrogen sulfide etc.The combustion heat (kJ/mol) of methane: gross calorific power 55900kJ/kg (40020kJ/m3), net heating value 50200kJ/kg(35900kJ/m3), per kilogram methane energy produces 27950-39130 kJ (kilojoule) heat.
Namely the calory burning of biogas is: 27950-39130 kJ/Kg,
Can be regarded as unit interval consumption biogas is 15.58-21.82 Kg/h by formula (3) Gpm=Qgr/Qnet.ar.In the present embodiment, in tobacco flue-curing house, need the tobacco leaf fresh tobacco leaves of general 15000 jin being roasted into 1500 jin.
Tobacco flue-curing presses upper, middle and lower three positions average 6 days, and discharge 90% moisture content in leaves, then the dry cigarette of per kilogram needs biogas to be (15.58-21.82 Kg/h)/(48h × 0.6 × 0.9)=0.6-0.84 Kg.
Therefore, the dry cigarette of per kilogram needs biogas to be 0.6-0.84 Kg.
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 (8)
1. the tobacco flue-curing house of a biogas heating, it is characterized in that, comprise the hot air chamber (2) being provided with heater (4), the flue-cured tobacco room (1) being provided with smoke hanging shelf (3), form cycle flue by air inlet (5) and return air inlet (6) between flue-cured tobacco room (1) and hot air chamber (2), described heater (4) connects heat exchanger tube (7);
Described hot air chamber (2) bottom is provided with the first blower fan (9) near air inlet (5), and described (1) bottom, flue-cured tobacco room and the opposite position of the first blower fan (9) are provided with the second blower fan (91) to up-draught; Described smoke hanging shelf (3) comprises the vertical montant (31) of setting, the cross bar (32) of horizontally set, and described montant (31) is provided with the Access Division (311) of multiple clamping cross bar (32);
Described air inlet (5) and return air inlet (6) place are respectively equipped with air inlet gate (100), return air inlet gate (200);
Described heater (4) is biogas heater.
2. the tobacco flue-curing house of a kind of biogas heating according to claim 1, is characterized in that: described bottom, flue-cured tobacco room (1) is the inclined-plane of the first blower fan (9) wind direction far-end higher than near-end.
3. the tobacco flue-curing house of a kind of biogas heating according to claim 2, is characterized in that: described Access Division (311) is around being located at montant (31) circumferential exterior.
4. the tobacco flue-curing house of a kind of biogas heating according to claim 3, is characterized in that: described flue-cured tobacco room (1) sidewall is provided with moisture exhausting port (10).
5. the tobacco flue-curing house of a kind of biogas heating according to claim 4, is characterized in that: described moisture exhausting port (10) is provided with dehumidifier (11).
6. according to the tobacco flue-curing house of the arbitrary described a kind of biogas heating of claim 1 to 5, it is characterized in that: described heater (4) comprises methane-generating pit (41), connecting pipe, the pressure switch (42) be located in connecting pipe, connecting pipe one end connects methane-generating pit (41), the other end connects combustion section (43), and combustion section (43) connects heat exchanger tube (7).
7. the tobacco flue-curing house of a kind of biogas heating according to claim 6, it is characterized in that: the bottom of tobacco flue-curing house is located at by described methane-generating pit (41), methane-generating pit (41) is communicated with by discarded hole (400) with tobacco flue-curing house.
8., according to the tobacco flue-curing house of the arbitrary described a kind of biogas heating of claim 1 to 5, it is characterized in that: the dry cigarette of per kilogram needs biogas to be 0.6-0.84 Kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510393219.7A CN104997149A (en) | 2015-07-07 | 2015-07-07 | Tobacco curing barn adopting biogas heating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510393219.7A CN104997149A (en) | 2015-07-07 | 2015-07-07 | Tobacco curing barn adopting biogas heating |
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| CN104997149A true CN104997149A (en) | 2015-10-28 |
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ID=54370231
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| CN201510393219.7A Pending CN104997149A (en) | 2015-07-07 | 2015-07-07 | Tobacco curing barn adopting biogas heating |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105341983A (en) * | 2015-12-07 | 2016-02-24 | 关勇河 | Solar automatic irrigating greenhouse tobacco curing barn |
| CN105394804A (en) * | 2015-11-10 | 2016-03-16 | 中国烟草总公司广东省公司 | Laminated tobacco leaf curing device allowing tobacco leaves to be horizontally placed in bulk |
| CN105476056A (en) * | 2015-11-10 | 2016-04-13 | 中国烟草总公司广东省公司 | Alcohol-based fuel type radiator tobacco curing barn with heat-insulation walls |
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| US3937227A (en) * | 1974-02-28 | 1976-02-10 | Sansyu Sangyo Co., Ltd. | Tobacco leaf curing system |
| CN201595169U (en) * | 2010-02-18 | 2010-10-06 | 湖北省烟草公司襄樊市公司 | Tobacco loading frame for dense tobacco flue-curing chamber |
| CN103637393A (en) * | 2013-12-31 | 2014-03-19 | 卢招苟 | Tobacco flue-curing room adopting multiple heat sources |
| CN203586693U (en) * | 2013-11-25 | 2014-05-07 | 陈蜀乔 | Baking room adopting solar energy and marsh gas |
| CN203986052U (en) * | 2014-08-13 | 2014-12-10 | 中国烟草总公司重庆市公司丰都分公司 | Natural gas barn |
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2015
- 2015-07-07 CN CN201510393219.7A patent/CN104997149A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3937227A (en) * | 1974-02-28 | 1976-02-10 | Sansyu Sangyo Co., Ltd. | Tobacco leaf curing system |
| CN201595169U (en) * | 2010-02-18 | 2010-10-06 | 湖北省烟草公司襄樊市公司 | Tobacco loading frame for dense tobacco flue-curing chamber |
| CN203586693U (en) * | 2013-11-25 | 2014-05-07 | 陈蜀乔 | Baking room adopting solar energy and marsh gas |
| CN103637393A (en) * | 2013-12-31 | 2014-03-19 | 卢招苟 | Tobacco flue-curing room adopting multiple heat sources |
| CN203986052U (en) * | 2014-08-13 | 2014-12-10 | 中国烟草总公司重庆市公司丰都分公司 | Natural gas barn |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105394804A (en) * | 2015-11-10 | 2016-03-16 | 中国烟草总公司广东省公司 | Laminated tobacco leaf curing device allowing tobacco leaves to be horizontally placed in bulk |
| CN105476056A (en) * | 2015-11-10 | 2016-04-13 | 中国烟草总公司广东省公司 | Alcohol-based fuel type radiator tobacco curing barn with heat-insulation walls |
| CN105341983A (en) * | 2015-12-07 | 2016-02-24 | 关勇河 | Solar automatic irrigating greenhouse tobacco curing barn |
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Application publication date: 20151028 |