CN103859567B - A kind of tobacco roasting method that heat classification cycle utilizes and system architecture thereof - Google Patents
A kind of tobacco roasting method that heat classification cycle utilizes and system architecture thereof Download PDFInfo
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- CN103859567B CN103859567B CN201410131710.8A CN201410131710A CN103859567B CN 103859567 B CN103859567 B CN 103859567B CN 201410131710 A CN201410131710 A CN 201410131710A CN 103859567 B CN103859567 B CN 103859567B
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Abstract
The invention discloses tobacco roasting method and the system architecture thereof of the utilization of a kind of heat classification cycle, its barn structure is composed in series by three of the tobacco leaf toasting different phase respectively grades of barns; Arrange at least a set of baking rack in every grade of barn, baking rack operates between three grades of barns by being communicated with track; Forming air circulation duct by the Stilt layer arranged every grade of barn bottom together with the drying system in every grade of barn and air extractor makes the heat of air classification cycle between three grades of barns utilize.This baking system of the present invention can for thermal source with air, agent structure is based on method for flue-curing tobacco leaves process features, be designed to three grades of barn systematizations, bottom shelf dead level designs, track UNICOM continuous productive process, realize heat and recycle effect step by step, largely improve Waste Heat Reuse rate, compensate for the energy leak of existing rural area tobacco roasting technology.
Description
Technical field
The present invention relates to tobacco roasting production system, be specifically related to the tobacco roasting method for a kind of heat classification cycle utilization of rural area tobacco roasting and system architecture thereof.
Background technology
Tobacco is a kind of common consumer products of modern society, and Flue-cured Tobacco in China output accounts for more than 80% of tobacco output aggregate, and cured tobacco production mainly concentrates on the provinces such as Yunnan, Henan, Guizhou, Shandong.The production process of flue-cured tobacco is broadly divided into nursery, grown in field and tobacco flue-curing three phases.Tobacco flue-curing is one of reflection and the key link determining Flue-cured tobacco Quality and productivity effect.It relates to organic cooperation of the many factors such as tobacco leaf picking quality, curing equipment, baking process and practical experience.The baking of tobacco leaf is a system engineering relating to multiclass knowledge thus.Traditional tobacco flue-curing technology is that the loose tobacco leaf cigarette of slices is formed a luxuriant tobacco leaf lush, and then is toasted by tobacco leaf lush threading bakery.
Along with cured tobacco production theory and technology development and innovation, the natural hydrofuge formula traditional baking chamber continued to use for many years is progressively transformed and is substituted.In recent years, under the technology of tobacco management department at different levels of country guides and fund is fostered, some are intelligent, and intensive dynamical barn is developed rapidly, and shows exclusive advantage.The appearance of Novel roasting barn and the new technology supporting with it, brings intellectuality, scale and a specialized frontier into tobacco leaf production.Just show the clue that tobacco leaf production is incorporated to agricultural modernization production model.This control method is comparatively large owing to dropping into, and cost is high, and the large-scale flue-cured tobacco industrial enterprise being only suitable for scale adopts, and is difficult to apply in the little tobacco flue-curing house in rural area.
And the tobacco roasting key problem in technology problem in existing domestic rural area is that heat energy utilization is insufficient, cause mass energy to waste, and cost is high, benefit is low.And heat energy utilization is insufficient, again often because the heating in bakery is uneven, temperature difference causes more greatly.Therefore, the classification cycle of heat utilizes is very necessary.
To this, Chinese patent literature application number be 201020579379.3 patent of invention disclose " a kind of Novel ducting system for roasting tobacco ", it is provided with the dry section to tobacco drying dehumidification in bakery; In dry section bottom bakery, being provided with many groups utilizes external heat source to carry out dehumidifying to air in dry section and heat and recycle the air-supply EGR toasting air after tobacco, described air-supply EGR also can according to the detection of bakery humidity sensor, after outside air outside the air of loopback after toasting tobacco in dry section and bakery is carried out proper proportion mixing, again carry out sending after dehumidifying is heated; In the dry section at bakery top, be provided with many groups by toast in dry section the air after tobacco send back to air-supply EGR return air circulating device, described return air circulating device also can according to the humidity value of dry section, and the air controlled in dry section after baking tobacco is discharged outside barn; Described air-supply EGR is connected with return air circulating device by pipeline.This technology to some extent solves in barn and heats the phenomenons such as uneven, improves the crudy of tobacco, but still effective not for the utilization of the energy, also has larger room for improvement.
Summary of the invention
The object of the invention is to for overcoming heat energy utilization in the tobacco roasting technology of existing rural area insufficient, cause mass energy to waste and cost high, benefit is low wait not enough, a kind of tobacco roasting method providing heat classification cycle to utilize and system architecture thereof.
Technical scheme of the present invention is as follows:
The tobacco roasting method that this heat classification cycle of the present invention utilizes, its barn structure is composed in series by three of the tobacco leaf toasting different phase respectively grades of barns; Arrange at least a set of baking rack in every grade of barn, baking rack operates between three grades of barns by being communicated with track; Forming air circulation duct by the Stilt layer arranged every grade of barn bottom together with the drying system in every grade of barn and air extractor makes the heat of air classification cycle between three grades of barns utilize.
Concrete, present invention employs the heat classification cycle system architecture of so a kind of tobacco roasting, comprise the barn for toasting tobacco, barn is composed in series successively by first order barn, second level barn and third level barn, and every grade of barn is equipped with drying system and air extractor; Be provided with Stilt layer three grades of barn bottoms, Stilt layer forms air flow passage, and Stilt layer forms air circulation duct together with the drying system in every grade of barn and air extractor makes the heat of air classification cycle between three grades of barns utilize.After new air enters from air inlet, first arrive in first order barn, by air extractor and drying system, air is flowed in barn, tobacco is toasted.In this process, the moisture of tobacco permeates in air gradually, the temperature of air is declined and proportion increase, thus flow downward and enter Stilt layer, then next stage barn is flowed into, and air is introduced in it by the air extractor of next stage barn and drying system and carry out drying, dried air can toast this grade of barn again due to the removal of moisture, thus the recycle heat forming baking-air descend-airflow circulating-drying-baking utilizes technological process.
For achieving the above object, the design of Stilt layer is most important, and Stilt layer of the present invention is made up of the waste heat air layer one of Down-Up arranged stacked, new air layer and waste heat air layer two; The through three grades of barns of new air layer, new air layer front end is communicated with the source pump room being located at first order barn front, and tail end is communicated with the air inlet that new air is entered being located at the afterbody of third level barn; Barn at different levels is communicated with waste heat air layer one downwards by waste heat air layer two-way piping; Waste heat air layer one in previous stage barn is communicated with the air inlet of the air extractor of next stage barn by least one utilidor.
In addition, the waste heat air layer one of third level barn is communicated with new air layer in air inlet.That is, the through three grades of barns of new air layer, front end enters the source pump room of first order barn, rear end connects air inlet, but as preferred design, an opening is set at the tail end of third level barn new air layer is communicated with waste heat air layer one, have two air inlets at the new air layer in this place like this, one is original air inlet, and another is the air inlet be communicated with to new air layer from waste heat air layer one.So new air layer not only can outwards suck new air, can also utilize and has originally recycled from three grades of barns and entered a kind of residual air of waste heat air layer in third level barn, make new air temperature under the effect of residual air increase, save heat energy.
In addition, the source pump room being positioned at first order barn front comprises evaporimeter, compressor, condenser and expansion valve, is provided with drainage mouth in the below of evaporimeter.Wherein, the front side of evaporimeter is provided with air exhauster four, and the front side of condenser is provided with air exhauster one.Condenser and air exhauster one are positioned at the top of evaporimeter and air exhauster four.First the effect of source pump room is be drawn into from new air layer by new air by air exhauster four, and carries out dry heat first to the new air entered from new air layer, the moisture produced is flowed out from drainage mouth, improve the temperature of new air through evaporator.New air is after treatment sent in first order barn by air exhauster one and is carried out first order baking.
Further, be provided with at least one connection track in three grades of barns, be provided with at least a set of baking rack in every grade of barn, baking rack basis rest is on connection track; Bottom baking rack, be provided with the rope near ground and between three grades of barns, draw transhipment with driven by servomotor baking rack.Such baking rack realizes slide rail transhipment between three grades of barns, can improve transport efficacy, saves artificial.
Further, the rolling screen door that only can be transported through for baking rack is provided with between first order barn and second level barn and between second level barn and third level barn.The size of rolling screen door only enough grills is passed through, and to reduce the transmission of roasting room temperature at different levels, the stage of being simultaneously convenient to has toasted tobacco leaf and directly changed room by slide rail, carries out the baking of next stage.Each rolling screen door is provided with the heat insulating door curtain that can reduce heat in barn and be scattered and disappeared by rolling screen door, thus reduces heat and scattered and disappeared by rolling screen door, and grill heat insulating door curtain when changing room that need open the door can go up volume.
Compared with prior art, the present invention has the following advantages:
This baking system of the present invention can for thermal source with air, agent structure is based on method for flue-curing tobacco leaves process features, be designed to three grades of barn systematizations, bottom shelf dead level designs, track UNICOM continuous productive process, realize heat and recycle effect step by step, largely improve Waste Heat Reuse rate, compensate for the energy leak of existing rural area tobacco roasting technology.This baking system of the present invention reaches raising heat utilization rate, reduces environmental pollution, shortens baking cycle and improve quality of tobacco object, can meet rural area tobacco roasting multiple requirements.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Description of reference numerals: 1-air exhauster one, 2-condenser, 3-first order barn, 4-rolling screen door one, 5-heat insulating door curtain one, 6-drier one, 7-air exhauster two, 8-second level barn, 9-rolling screen door two, 10-heat insulating door curtain two, 11-drier two, 12-air exhauster three, 13-third level barn, 14-air inlet, the new air layer of 15-waste heat air layer one, 16-utilidor one, 17-, 18-utilidor two, 19-waste heat air layer two, 20-evaporimeter, 21-drainage mouth, 22-air exhauster four, 23-compressor.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
First see Fig. 1, Fig. 1 illustrates the structural representation of one embodiment of the present invention: as seen from the figure, barn of the present invention is composed in series successively by first order barn 3, second level barn 8 and third level barn 13, and the order of tobacco roasting is also carry out from first order barn 3 to third level barn 13; Be provided with Stilt layer three grades of barn bottoms, Stilt layer is made up of the waste heat air layer 1 of Down-Up arranged stacked, new air layer 17 and waste heat air layer 2 19.
The through three grades of barns of new air layer 17, new air layer 17 front end is communicated with the source pump room space segment of left end forefront (namely in Fig. 1) being located at first order barn 3 front, and tail end connection is located at the air inlet 14 that new air is entered of the afterbody of third level barn.Source pump room comprises evaporimeter 20, compressor 23, condenser 2 and expansion valve, is provided with drainage mouth 21 in the below of evaporimeter 20.
Barn at different levels is communicated with waste heat air layer 1 downwards by pipeline by waste heat air layer 2 19, as can see from Figure 1, waste heat air layer 2 19 and barn interior space at different levels are provided with some air inlets, like this through air that overbaking has utilized, because temperature declines and moisture increase, can sink to entering waste heat air layer 2 19 from these air inlets by nature, then undermost waste heat air layer 1 is entered by connecting pipe, closed (being only communicated with waste heat air layer 1 at the new air layer 17 in air inlet 14 place) between new air layer 17 and upper and lower waste heat air layer.
Waste heat air layer 1 in previous stage barn is communicated with the air inlet of the air extractor of next stage barn by least one utilidor.In FIG, the rear end of first order barn 3 is provided with utilidor 2 18, the body of wall that utilidor 2 18 is close between two-stage barn is arranged in upright, the lower end of utilidor 2 18 connects the waste heat air layer 1 below first order barn 3, the air inlet that second level barn 8 upper left corner is provided with air exhauster 27 and drier 1 is led in upper end, and the suction finally by air exhauster 27 enters in second level barn 8.In like manner, be provided with the utilidor 1 that the same manner is arranged in the rear end of second level barn 8, be provided with air exhauster 3 12 and drier 2 11 in the upper left corner of third level barn 13, thus realize waste heat air and flow into third level barn 13 from second level barn 8.
Stilt layer of the present invention forms air flow passage, and Stilt layer forms air circulation duct together with the drying system in every grade of barn and air extractor makes the heat of air classification cycle between three grades of barns utilize.As shown in Figure 1, air extractor of the present invention comprises four air exhausters, i.e. air exhauster 1, air exhauster 27, air exhauster 3 12 and air exhauster 4 22, and drying system comprises drier 1, drier 2 11, condenser 2 and evaporimeter 20.
In addition, be provided with the rolling screen door that only can be transported through for baking rack between first order barn 3 and second level barn 8 and between second level barn 8 and third level barn 13, as we can see from the figure, rolling screen door comprises rolling screen door 1 and rolling screen door 29.Each rolling screen door is provided with the heat insulating door curtain that the heat that can reduce in barn is scattered and disappeared by rolling screen door, and wherein rolling screen door 1 is provided with heat insulating door curtain 1, and rolling screen door 29 is provided with heat insulating door curtain 2 10.
As shown in Figure 1, tobacco roasting process of the present invention is such: the first first stage, and tobacco is that the baking rack in first order barn 3 toasts, and at this moment rolling screen door 1, rolling screen door 29, heat insulating door curtain 1 and heat insulating door curtain 2 10 are all close.New air is entered from the afterbody lower end of third level barn 13 by new air layer 17, the air exhauster 4 22 of bottom, source pump room is by direct for new air suction source pump room, and carrying out evaporation heating by evaporimeter 20, the moisture that evaporation produces flows out downwards from drainage mouth 21.Hot-air after evaporation heating moves upward under the compression of compressor 23 and the effect of air exhauster 1, and starts to carry out the baking of first stage above the baking rack in first order barn 3 by entering after condenser 2 preliminary treatment.After the moisture that hot-air absorption tobacco roasting distributes, water content increases, and temperature reduces, and proportion increases, thus sinks, and enters waste heat air layer 2 19, and entered in the waste heat air layer 1 of the bottom by connecting pipe from the gas port of bottom.After first stage toasted, rolling screen door 1 and heat insulating door curtain 1 have been opened, and baking rack is by rail transfer in second level barn 8, and rolling screen door 1 and heat insulating door curtain 1 are closed again.At this moment the waste heat air stayed in the waste heat air layer 1 bottom first order barn 3 is subject to the suction of air exhauster 27, enter in second level barn 8 by utilidor 2 18, after drier 1 processes, the tobacco leaf on the baking rack in second level barn 8 is toasted, then again enter in waste heat air layer 1 downwards.In turn, after second stage baking, rolling screen door 29 and heat insulating door curtain 2 10 are opened, baking rack again by rail transfer in third level barn 13, rolling screen door 29 and heat insulating door curtain 2 10 are closed, the suction that waste heat air in waste heat air layer 1 bottom in second level barn 8 is subject to air exhauster 3 12 enters in third level barn 13, drying device 2 11 toasts the tobacco in third level barn 13 after processing, and then enter in waste heat air layer 1, air inlet finally by air inlet 14 place enters in new air layer 17 and enter into next circulation together with new air.
Certainly, more than just embody rule example of the present invention, the technical scheme that the present invention also has other embodiment, all employings to be equal to replacement or equivalent transformation to be formed, all drops within protection domain of the presently claimed invention.
Claims (7)
1. a heat classification cycle system architecture for tobacco roasting, comprises barn, and described barn is composed in series successively by first order barn (3), second level barn (8) and third level barn (13), and every grade of barn is equipped with drying system and air extractor; Stilt layer is provided with three grades of barn bottoms, Stilt layer forms air flow passage, Stilt layer forms air circulation duct together with the drying system in every grade of barn and air extractor makes the heat of air classification cycle between three grades of barns utilize, and it is characterized in that: described Stilt layer is made up of the waste heat air layer one (15) of Down-Up arranged stacked, new air layer (17) and waste heat air layer two (19); The through three grades of barns of new air layer (17), new air layer (17) front end is communicated with the source pump room being located at first order barn (3) front, and tail end is communicated with the air inlet (14) that new air is entered being located at the afterbody of third level barn; Barn at different levels is communicated with waste heat air layer one (15) downwards by pipeline by waste heat air layer two (19); Waste heat air layer one (15) in previous stage barn is communicated with by the air inlet of at least one utilidor with the air extractor of next stage barn.
2. the heat classification cycle system architecture of tobacco roasting according to claim 1, is characterized in that: the waste heat air layer one (15) of third level barn (13) is communicated with new air layer (17) at air inlet (14) place.
3. the heat classification cycle system architecture of tobacco roasting according to claim 1, it is characterized in that: described source pump room comprises evaporimeter (20), compressor (23), condenser (2) and expansion valve, is provided with drainage mouth (21) in the below of evaporimeter (20).
4. the heat classification cycle system architecture of tobacco roasting according to claim 3, is characterized in that: the front side of described evaporimeter (20) is provided with air exhauster four (22), and the front side of described condenser (2) is provided with air exhauster one (1).
5. the heat classification cycle system architecture of tobacco roasting according to claim 1, is characterized in that: in described three grades of barns, be provided with at least one connection track, be provided with at least a set of baking rack in every grade of barn, and baking rack basis rest is on connection track; Bottom baking rack, be provided with the rope near ground and between three grades of barns, draw transhipment with driven by servomotor baking rack.
6. the heat classification cycle system architecture of tobacco roasting according to claim 5, is characterized in that: be provided with the rolling screen door that only can be transported through for baking rack between first order barn (3) and second level barn (8) and between second level barn (8) and third level barn (13).
7. the heat classification cycle system architecture of tobacco roasting according to claim 6, is characterized in that: each rolling screen door is provided with the heat insulating door curtain that the heat that can reduce in barn is scattered and disappeared by rolling screen door.
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| CN201410131710.8A CN103859567B (en) | 2014-04-03 | 2014-04-03 | A kind of tobacco roasting method that heat classification cycle utilizes and system architecture thereof |
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| CN201410131710.8A CN103859567B (en) | 2014-04-03 | 2014-04-03 | A kind of tobacco roasting method that heat classification cycle utilizes and system architecture thereof |
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| CN106333382B (en) * | 2016-10-21 | 2017-11-17 | 中国农业科学院烟草研究所 | A kind of adjustable barn structure of capacity and its application method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1246998A (en) * | 1967-12-23 | 1971-09-22 | Quester Fa Wilh | Process and apparatus for treating fibrous materials |
| US4263721A (en) * | 1979-12-14 | 1981-04-28 | Danford Tiras J | Energy efficient bulk tobacco curing and drying structure |
| US4499911A (en) * | 1980-12-09 | 1985-02-19 | Johnson William H | Energy efficient curing and drying system |
| ES2081257B1 (en) * | 1994-05-12 | 1996-07-16 | Sagrera Jorge Martinez | INSTALLATION AND PROCEDURE FOR CURING TOBACCO. |
| CN2377510Y (en) * | 1999-06-07 | 2000-05-10 | 谢德平 | Airflow translation stepping tobacco flue-curing device |
| CN2784849Y (en) * | 2003-10-11 | 2006-05-31 | 张树堂 | Electric baking room |
| CN201069993Y (en) * | 2007-07-06 | 2008-06-11 | 杨树勋 | Multi-chamber circulation continuous compression flue-curing barn |
| CN101579144B (en) * | 2009-06-08 | 2012-08-29 | 江苏科地现代农业有限公司 | Method for baking tobacco leaves and baking room |
| CN101862019B (en) * | 2010-03-29 | 2013-09-11 | 云南省烟草农业科学研究院 | Laminated, compact and optimized energy-saving intensive flue-curing barn for flue-cured tobacco |
| CN201911283U (en) * | 2011-01-04 | 2011-08-03 | 红云红河烟草(集团)有限责任公司 | Intelligent control tobacco drying intensive coal-fired curing barn |
| CN202774089U (en) * | 2012-09-21 | 2013-03-13 | 姜永辉 | Full-automatic production line tobacco curing chamber |
| CN102835727A (en) * | 2012-10-18 | 2012-12-26 | 邓州丰奇集团肥业有限公司 | Solar sectioned continuous tobacco leaf curing barn |
| CN203776134U (en) * | 2014-04-03 | 2014-08-20 | 贵州大学 | Structure of heat grading and circulating system for tobacco flue-curing |
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Effective date of registration: 20201109 Address after: No.3, pingzhong Road, Matou Town, Pingguo City, Baise City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Pingguo Runmin Poverty Alleviation Development Co., Ltd Address before: 550025 science and Technology Department, north campus, Guizhou University, Huaxi, Guizhou, China Patentee before: Guizhou University |
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