CN104287083B - There is the energy-saving air flow rising-type bulk curing barn of balanced ventilation - Google Patents
There is the energy-saving air flow rising-type bulk curing barn of balanced ventilation Download PDFInfo
- Publication number
- CN104287083B CN104287083B CN201410585849.XA CN201410585849A CN104287083B CN 104287083 B CN104287083 B CN 104287083B CN 201410585849 A CN201410585849 A CN 201410585849A CN 104287083 B CN104287083 B CN 104287083B
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- China
- Prior art keywords
- cigarette
- hot
- filling house
- air inlet
- air channel
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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
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B1/00—Preparation of tobacco on the plantation
- A24B1/02—Arrangements in barns for preparatory treatment of the tobacco, e.g. with devices for drying
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/04—Humidifying or drying tobacco bunches or cut tobacco
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Ventilation (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a kind of energy-saving air flow rising-type bulk curing barn with balanced ventilation, comprise heating clamber and cigarette-filling house, heating clamber and cigarette-filling house are separated by a party wall, party wall offer through the hot-air channel of party wall, hot blast return air inlet and moisture exhausting port, be provided with main air inlet in the bottom of party wall, the both sides metope of cigarette-filling house is respectively equipped with a side air inlet; Described hot-air channel is in the bell-mouth structure of air strengthened gradually to cigarette-filling house's width by heating clamber; Be respectively arranged with dividing plate in the both sides of hot-air channel, hot-air channel is divided into main hot-air channel and side hot-air channel by this dividing plate; Main hot-air channel arranges in scalar horn mouth structure by the present invention, the hot blast of heating clamber is conducive to hot blast hybrid perturbation from horn mouth ejection, expand main hot-air mouth area, eliminate dead angle area between heating clamber and cigarette-filling house, the hot blast entering cigarette-filling house from heating clamber can toast fully to the tobacco leaf in cigarette-filling house.
Description
Technical field
The present invention relates to tobacco leaf process equipment, particularly tobacco flue-curing house, specifically a kind of energy-saving air flow rising-type bulk curing barn with balanced ventilation.
Background technology
Shi Chan cigarette big country of China, its tobacco curing barn is numerous.The baking quality of tobacco leaf is subject to the impact of temperature and humidity in cigarette room, and the hot air circulation from heating clamber to cigarette-filling house determines the temperature and humidity of cigarette-filling house directly to have influence on the quality and benefits of tobacco leaf in the process of tobacco.The baking equipment for preparatory treatment of tobacco of current China has started extensive construction and use intensive barn curing, although belong to forced hot air circulation baking, but the randomness of its overall construction design and construction is large, there is many defects in hot-air channel structural design, cause cigarette-filling house's internal temperature and moisture distribution extremely uneven and wayward, there is air flow blind angle, humiture, the wind speed in horizontal and vertical direction differ greatly, tobacco leaf change is widely different, baking process is inconsistent, affect the baking quality of tobacco leaf, and baking time extends, energy consumption and baking cost increase.Visible, the wind pushing performance quality of bulk curing barn is very large on the impact of tobacco flue-curing result.Only guaranteed balanced ventilation, the environmental condition (temperature, humidity, wind speed) of whole cigarette-filling house tobacco leaf everywhere could be substantially identical, and tobacco leaf change could be basically identical, thus just can guarantee the baking quality of tobacco of whole cigarette-filling house.
Summary of the invention
For above-mentioned deficiency of the prior art, main purpose of the present invention is to provide one can balanced ventilation baking tobacco leaves, for bulk stacking type baking, and the air-flow rising-type bulk curing barn of economize energy consumption and cost.
To achieve these goals, the technical solution used in the present invention is as follows:
There is the energy-saving air flow rising-type bulk curing barn of balanced ventilation, comprise heating clamber and cigarette-filling house, heating clamber is disposed adjacent with cigarette-filling house, and separated by a party wall, party wall offers the hot-air channel through party wall, hot blast return air inlet and moisture exhausting port, hot-air channel is arranged on the bottom of party wall, hot blast return air inlet and moisture exhausting port are arranged on shared coping, in the bottom of party wall, and the side being positioned at cigarette-filling house is provided with main air inlet, the both sides metope of cigarette-filling house is respectively equipped with a side air inlet, be respectively the first side air inlet mouth and the second side air inlet mouth, described hot-air channel is in the bell-mouth structure of air strengthened gradually to cigarette-filling house's width by heating clamber, dividing plate is respectively arranged with in the both sides of hot-air channel, hot-air channel is divided into main hot-air channel, the first side hot-air channel and the second side hot-air channel by this dividing plate, the outlet of main hot-air channel communicates with hot blast main air inlet, first side hot-air channel communicates with the first side air inlet mouth after the side wall extension of cigarette-filling house, and the second side hot-air channel communicates with the second side air inlet mouth after the side wall extension of cigarette-filling house, first side air inlet mouth and the second side air inlet mouth shift to install on the side wall of cigarette-filling house.
Further, described side air inlet mouth all extends along cigarette-filling house's length direction, forms strip opening.
Further, the position of described first side air inlet mouth just to the space between Shang Peng and middle canopy tobacco leaf, the space between the positive centering canopy in position of the second side air inlet mouth and lower canopy tobacco leaf.
Further, the distance that the distance between the central point of described first side air inlet mouth and party wall accounts between the central point of the 2/3, second side air inlet mouth of cigarette-filling house's length and party wall accounts for 1/3 of cigarette-filling house's length.
Further, described main hot-air channel is in the scalar horn mouth structure strengthened gradually by heating clamber to cigarette-filling house's width.
Relative to prior art, the present invention has following beneficial effect:
1, the main hot-air channel between heating clamber and cigarette-filling house arranges in scalar horn mouth structure by the present invention, its lower bottom flushes with cigarette-filling house both walls, the hot blast of heating clamber is conducive to hot blast hybrid perturbation from horn mouth ejection, expand main hot-air mouth area, eliminate dead angle area between heating clamber and cigarette-filling house, the hot blast entering cigarette-filling house from heating clamber can toast fully to the tobacco leaf in cigarette-filling house.
2, the present invention is respectively provided with place's hot blast side air inlet mouth at cigarette-filling house's both sides face wall, the two strands of side hot air flows separated from heating clamber hot-blast outlet arrive hot blast side air inlet mouth through side hot-air channel, then interlock and pass into space between Shang Peng, Zhong Peng and lower canopy tobacco leaf, hot blast is sent in cigarette-filling house equably, compensate for temperature, humidity, the wind speed in second half section and middle Xia Peng region in cigarette-filling house, form uniform temperature field, velocity field, make varying level in cigarette-filling house substantially identical with environmental conditions such as the temperature in vertical direction, humidity, wind speed.
Accompanying drawing explanation
Fig. 1 is the structural representation of the energy-saving air flow rising-type bulk curing barn with balanced ventilation;
Fig. 2 is A-A sectional view in Fig. 1;
Fig. 3 is B-B sectional view in Fig. 1;
Fig. 4 is this bulk curing barn hot blast side air inlet mouth position view;
Fig. 5 is this bulk curing barn party wall sectional view.
Number in the figure is: 1-fills cigarette door, 2-first side air inlet mouth, 3-hot blast return air inlet, 4-moisture exhausting port, 5-party wall, 6-heating clamber, 7-first hot-air channel, 8-hot blast main air inlet, 9-dividing plate, 10-second hot-air channel, 11-second side air inlet mouth, 12-cigarette-filling house.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
See Fig. 1 ~ Fig. 5, the energy-saving air flow rising-type bulk curing barn that the present invention has balanced ventilation toasts for bulk stacking type, can reduce tie up a heatable brick bed on bar or folder cigarette, roasting after separate rope or separate the links such as the lower cigarette of folder, reduce labour cost and intensity.This bulk curing barn comprises heating clamber 6 and cigarette-filling house 12, and heating clamber 6 is disposed adjacent with cigarette-filling house 12 and is separated by a party wall 5, and namely bulk curing barn is divided into heating clamber 6 and cigarette-filling house 12 by party wall 5.Heating furnace, heat exchanger and circulating fan (not shown in FIG.) is provided with in heating clamber 6, heat exchanger is utilized fully to heat cold wind, then be pressed in cigarette-filling house 12 by circulating fan and tobacco leaf is toasted, do not need to arrange firing equipment on the ground of cigarette-filling house 12, avoid the drawback because arranging firing equipment and fire hazardous on cigarette-filling house ground, improve the security performance of this bulk curing barn.
Party wall 5 is provided with the hot blast return air inlet 3 through party wall 5 and moisture exhausting port 4, and this hot blast return air inlet 3 and moisture exhausting port 4 are arranged on the top of party wall 5.The side of hot blast return air inlet 3 communicates with cigarette-filling house 12, and opposite side communicates with heating clamber 6.Moisture exhausting port 4 is two, be symmetricly set in the both sides of party wall 5 respectively and be close to the abutment wall of cigarette-filling house 12, the side of moisture exhausting port 4 communicates with cigarette-filling house 12, opposite side communicates with air, to realize the exchange of barn inner air and outer air, moisture in good time eliminating cigarette-filling house 12, maintains baking process to the humidity required in cigarette-filling house 12.
Be provided with the hot-air channel through party wall 5 in the bottom of party wall 5, this hot-air channel is in the bell-mouth structure of air strengthened gradually by heating clamber 6 to cigarette-filling house 12 width.In the bottom of party wall 5 and the side being positioned at cigarette-filling house 12 is provided with hot blast main air inlet 8.The both sides metope of cigarette-filling house 12 is respectively equipped with a side air inlet, is respectively the first side air inlet mouth 2 and the second side air inlet mouth 11, namely the first side air inlet mouth 2 and the second side air inlet mouth 11 are positioned at the two relative side of cigarette-filling house 12.Dress cigarette door 1 is offered away from one end of party wall 5 in cigarette-filling house 12.In the present embodiment, to stand in cigarette-filling house 12, during towards party wall 5, the body of wall of left-hand side is called left side wall, and dexter body of wall is called right-side wall, and the first side air inlet mouth 2 is arranged in right-side wall, and the second side air inlet mouth 11 is arranged on the wall of left side.
Dividing plate 9 is respectively arranged with in the both sides of hot-air channel, hot-air channel is divided into main hot-air channel, the first side hot-air channel 7 and the second side hot-air channel 10 by this dividing plate 9, the outlet of main hot-air channel communicates with hot blast main air inlet 8, first side hot-air channel 7 communicates with the first side air inlet mouth 2 after the side wall extension of cigarette-filling house 12, and the second side hot-air channel 10 communicates with the second side air inlet mouth 11 after the side wall extension of cigarette-filling house 12.The hot blast being entered cigarette-filling house 12 by heating clamber 6 is divided into three strands by dividing plate 9, be respectively main hot blast and two strands of side hot blasts, main hot blast enters cigarette-filling house 12 through hot blast main air inlet 8 and main hot-air channel, one side hot blast enters cigarette-filling house 12 through the first side hot-air channel 7 and the first side air inlet mouth 2, another strand of side hot blast enters cigarette-filling house 12 through the second side hot-air channel 10 and the second side air inlet mouth 11, the hot blast in heating clamber 6 is made to enter cigarette-filling house 12 by different sides, sufficient heat supply baking can be carried out more equably to the tobacco leaf in cigarette-filling house 12, more uniform temperature is formed in cigarette-filling house, humidity and wind speed profile.
Main hot-air channel entirety is in scalar horn mouth structure, and its horizontal cross-section is with the positive side of heating clamber 6 for upper base, the positive side of cigarette-filling house 12 be go to the bottom, that both sides dividing plate 9 is hypotenuse is trapezoidal.Main hot-air channel between heating clamber and cigarette-filling house arranges in scalar horn mouth structure by the present invention, its lower bottom flushes with cigarette-filling house both walls, the hot blast of heating clamber is conducive to hot blast hybrid perturbation from horn mouth ejection, expand the area of hot blast main air inlet 8, eliminate dead angle area between heating clamber and cigarette-filling house, the hot blast entering cigarette-filling house from heating clamber can toast fully to the tobacco leaf in cigarette-filling house.
Side hot-air channel (7,10) is divided into two sections, is respectively the horizontal segment and vertical section that interconnect, and horizontal segment is arranged along cigarette-filling house body of wall bottom level, and it is made up of the flank wall of dividing plate 9, cigarette-filling house and ground, and horizontal segment communicates with heating clamber; Vertical section is vertically arranged along cigarette-filling house 12 body of wall, and it is made up of dividing plate 9 and flank wall, and one end of vertical section communicates with horizontal segment and perpendicular to horizontal segment, the other end communicates with side air inlet mouth (2,11).Side air inlet mouth (2,11) is separately positioned on the arranged on left and right sides metope of cigarette-filling house, and is installed additional by dividing plate and form.Side air inlet opening's edge cigarette-filling house length direction extends, and forms a strip opening.First side air inlet mouth 2 and the second side air inlet mouth 11 shift to install on the side wall of cigarette-filling house.Concrete, the position of the first side air inlet mouth 2 just to the space between Shang Peng and middle canopy tobacco leaf, the space between the positive centering canopy in position of the second side air inlet mouth 11 and lower canopy tobacco leaf.The distance that distance between the central point of the first side air inlet mouth 2 and party wall 5 accounts between the central point of the 2/3, second side air inlet mouth 11 of cigarette-filling house 12 length and party wall 5 accounts for 1/3 of cigarette-filling house 12 length.The hot blast flowed out from heating clamber is divided into main hot blast and two strands of side hot blasts through dividing plate, main hot blast enters cigarette-filling house 12 by hot blast main air inlet 8 and main hot-air channel, two strands of side hot blasts are exported along cigarette-filling house's level by the horizontal segment of the side hot-air channel of correspondence, after conveying certain distance, corresponding side air inlet mouth is upwards delivered to again by the vertical section of corresponding side hot-air channel, then the staggered upper canopy passing into cigarette-filling house, space between Zhong Peng and lower canopy tobacco leaf, based on main air intake, side air inlet is auxiliary, circulate from bottom to top, hot blast is sent in cigarette-filling house equably, to toast the tobacco leaf in cigarette-filling house 12, compensate for the temperature in second half section and middle Xia Peng region in cigarette-filling house, humidity, wind speed, form uniform temperature field, velocity field, make the temperature on varying level and vertical direction in cigarette-filling house, humidity, the environmental conditions such as wind speed are substantially identical.Hot blast in cigarette-filling house enters in heating clamber 6 by hot blast return air inlet 3, leads to circulation again enter in cigarette-filling house 12 after reheating by hot blast.
The ventilation dewetting of cigarette-filling house 12 can utilize the external and internal pressure difference of barn or adopt electromechanical controlling device to realize, by controlling cold air inlet aperture, regulate intake and hydrofuge amount size, moisture is discharged, to meet baking process humidity needs through shutter (not shown in FIG.) by moisture exhausting port 4.
Bulk curing barn of the present invention inherits the advantage of existing bulk curing barn, according to air-flow ascending manner hot air circulation principle, by changing hot-air channel structure in cigarette-filling house, reasonable Arrangement hot blast main air inlet, hot blast side air inlet mouth and hot blast return air inlet control the temperature in cigarette-filling house on varying level and vertical direction effectively, humidity, the environmental factors such as wind speed, ensure the environmental condition (temperature of whole cigarette-filling house tobacco leaf everywhere, humidity, wind speed) substantially identical, baking risk and energy consumption effectively can be reduced while meeting the technological requirement of tobacco flue-curing, the sustainable development of producing for modern tobacco provides safeguard.The scope of application of the present invention is wide, reasonable in design, manufactures, improvement cost is low, be easy to promote, have good economic and social benefit.
Finally it should be noted that, above embodiment is only in order to illustrate technical scheme of the present invention but not restriction technologies scheme, although applicant's reference preferred embodiment is to invention has been detailed description, those of ordinary skill in the art is to be understood that, those are modified to technical scheme of the present invention or equivalent replacement, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of right of the present invention.
Claims (5)
1. there is the energy-saving air flow rising-type bulk curing barn of balanced ventilation, comprise heating clamber (6) and cigarette-filling house (12), heating clamber (6) is disposed adjacent with cigarette-filling house (12), and separated by a party wall (5), it is characterized in that, party wall (5) offers the hot-air channel through party wall (5), hot blast return air inlet (3) and moisture exhausting port (4), hot-air channel is arranged on the bottom of party wall (5), hot blast return air inlet (3) and moisture exhausting port (4) are arranged on the top of party wall (5), in the bottom of party wall (5), and the side being positioned at cigarette-filling house (12) is provided with main air inlet (8), the both sides metope of cigarette-filling house (12) is respectively equipped with a side air inlet, be respectively the first side air inlet mouth (2) and the second side air inlet mouth (11), described hot-air channel is in the bell-mouth structure of air strengthened gradually to cigarette-filling house (12) width by heating clamber (6), dividing plate (9) is respectively arranged with in the both sides of hot-air channel, hot-air channel is divided into main hot-air channel, the first side hot-air channel (7) and the second side hot-air channel (10) by this dividing plate (9), the outlet of main hot-air channel communicates with hot blast main air inlet (8), first side hot-air channel (7) communicates with the first side air inlet mouth (2) after the side wall extension of cigarette-filling house (12), and the second side hot-air channel (10) communicates with the second side air inlet mouth (11) after the side wall extension of cigarette-filling house (12), first side air inlet mouth (2) and the second side air inlet mouth (11) shift to install on the side wall of cigarette-filling house (12).
2. the energy-saving air flow rising-type bulk curing barn with balanced ventilation according to claim 1, is characterized in that, described side air inlet mouth all extends along cigarette-filling house's length direction, forms strip opening.
3. the energy-saving air flow rising-type bulk curing barn with balanced ventilation according to claim 1 and 2, it is characterized in that, the position of described first side air inlet mouth (2) just to the space between Shang Peng and middle canopy tobacco leaf, the space between the positive centering canopy in position of the second side air inlet mouth (11) and lower canopy tobacco leaf.
4. the energy-saving air flow rising-type bulk curing barn with balanced ventilation according to claim 3, it is characterized in that, the distance that distance between the central point of described first side air inlet mouth (2) and party wall (5) accounts between the central point of the 2/3, second side air inlet mouth (11) of cigarette-filling house (12) length and party wall (5) accounts for 1/3 of cigarette-filling house (12) length.
5. the energy-saving air flow rising-type bulk curing barn with balanced ventilation according to claim 1, is characterized in that, described main hot-air channel is in the scalar horn mouth structure strengthened gradually to cigarette-filling house (12) width by heating clamber (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410585849.XA CN104287083B (en) | 2014-10-28 | 2014-10-28 | There is the energy-saving air flow rising-type bulk curing barn of balanced ventilation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410585849.XA CN104287083B (en) | 2014-10-28 | 2014-10-28 | There is the energy-saving air flow rising-type bulk curing barn of balanced ventilation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104287083A CN104287083A (en) | 2015-01-21 |
| CN104287083B true CN104287083B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410585849.XA Expired - Fee Related CN104287083B (en) | 2014-10-28 | 2014-10-28 | There is the energy-saving air flow rising-type bulk curing barn of balanced ventilation |
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| Country | Link |
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| CN (1) | CN104287083B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112690485A (en) * | 2021-01-16 | 2021-04-23 | 山东百特机械设备有限公司 | Modular disassembly and assembly curing barn |
| CN114343221B (en) * | 2021-11-12 | 2022-12-06 | 河南省烟草公司平顶山市公司 | Tobacco leaf modulating and baking room |
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|---|---|---|---|---|
| US4123221A (en) * | 1976-12-27 | 1978-10-31 | Harrington Manufacturing Company | Bulk tobacco curing and drying structure |
| EP0091929B1 (en) * | 1981-10-27 | 1986-04-09 | Hambro Machinery Limited | Conditioning apparatus |
| US5018281A (en) * | 1990-11-15 | 1991-05-28 | Bulluck Jr S Thomas | Tobacco barn with heat exchanger system |
| CN1765240A (en) * | 2005-11-21 | 2006-05-03 | 刘奕平 | Green house barn |
| CN2798616Y (en) * | 2005-04-15 | 2006-07-26 | 朱洪春 | Radiating pipe for tobacco flue-curing house |
| CN201491702U (en) * | 2009-09-14 | 2010-06-02 | 李先锋 | Dense type tobacco baking room |
| CN201640431U (en) * | 2010-03-10 | 2010-11-24 | 河南农业大学 | Side-by-side conjoined dense flue-cured tobacco chamber |
| CN202664208U (en) * | 2012-04-23 | 2013-01-16 | 西安圣华电子工程有限责任公司 | Drying room capable of achieving uniform distribution of baking temperature |
| CN202680445U (en) * | 2012-06-07 | 2013-01-23 | 昆明贵勋科技有限公司 | Energy-saving tobacco flue-curing house capable of effectively recovering, returning and utilizing moisture exhaust heat |
| CN204047994U (en) * | 2014-10-28 | 2014-12-31 | 重庆大学 | There is the power-saving air down-flow dense oven chamber structure of balanced ventilation |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995014201A1 (en) * | 1993-11-15 | 1995-05-26 | Dri-Pack Pty. Ltd. | Drying apparatus |
| BRPI0505023A (en) * | 2005-11-22 | 2007-08-07 | Souza Cruz Sa | smoke leaf curing greenhouse solar collector and air heating method circulating through a smoke leaf curing greenhouse |
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2014
- 2014-10-28 CN CN201410585849.XA patent/CN104287083B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4123221A (en) * | 1976-12-27 | 1978-10-31 | Harrington Manufacturing Company | Bulk tobacco curing and drying structure |
| EP0091929B1 (en) * | 1981-10-27 | 1986-04-09 | Hambro Machinery Limited | Conditioning apparatus |
| US5018281A (en) * | 1990-11-15 | 1991-05-28 | Bulluck Jr S Thomas | Tobacco barn with heat exchanger system |
| CN2798616Y (en) * | 2005-04-15 | 2006-07-26 | 朱洪春 | Radiating pipe for tobacco flue-curing house |
| CN1765240A (en) * | 2005-11-21 | 2006-05-03 | 刘奕平 | Green house barn |
| CN201491702U (en) * | 2009-09-14 | 2010-06-02 | 李先锋 | Dense type tobacco baking room |
| CN201640431U (en) * | 2010-03-10 | 2010-11-24 | 河南农业大学 | Side-by-side conjoined dense flue-cured tobacco chamber |
| CN202664208U (en) * | 2012-04-23 | 2013-01-16 | 西安圣华电子工程有限责任公司 | Drying room capable of achieving uniform distribution of baking temperature |
| CN202680445U (en) * | 2012-06-07 | 2013-01-23 | 昆明贵勋科技有限公司 | Energy-saving tobacco flue-curing house capable of effectively recovering, returning and utilizing moisture exhaust heat |
| CN204047994U (en) * | 2014-10-28 | 2014-12-31 | 重庆大学 | There is the power-saving air down-flow dense oven chamber structure of balanced ventilation |
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| CN104287083A (en) | 2015-01-21 |
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