CN201947926U - Novel ducting system for roasting tobacco - Google Patents
Novel ducting system for roasting tobacco Download PDFInfo
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- CN201947926U CN201947926U CN2010205793793U CN201020579379U CN201947926U CN 201947926 U CN201947926 U CN 201947926U CN 2010205793793 U CN2010205793793 U CN 2010205793793U CN 201020579379 U CN201020579379 U CN 201020579379U CN 201947926 U CN201947926 U CN 201947926U
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- roasting
- egr
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Abstract
The utility model relates to a novel ducting system for roasting tobacco. The novel ducting system comprises a roasting house. A drying zone for drying and dehumidification of tobacco is provided in the roasting house; a multiple sets of air supply cycle devices utilizing external heat source to dehumidify and heat air in the drying zone, and disposing and recycling the air generated after tobacco roasting, are provided in the drying zone at bottom of the roasting house; according to the detection of a humidity sensor in the roasting house, the air supply cycle devices can mix the send-back air generated after tobacco roasting in the drying zone with external air in proper proportion, and send the mixed air out after heating and dehumidifying again; in the drying zone at top of the housing house, a multiple sets of air return cycle devices are provided to send the air generated after tobacco roasting in the drying zone back to the air supply cycle devices; the air return cycle devices can control and send the air generated after tobacco roasting in the drying zone out of the roasting house according to the humidity value in the drying zone; and the air supply cycle devices are connected with the air return cycle devices through pipelines.
Description
[technical field]
The utility model relates to the tobacco roasting production system, is specifically related to a kind of tobacco roasting novel air duct system.
[background technology]
At present, the tobacco flue-curing house of tobacco grower's widespread usage is heated and is adopted picture adobe kang formula mode of heating in the past, is cut into flue at subsurface with brick, pyrotechnics passes in flue, heating flue is dried tobacco leaf again, uses this furnace drying method, and the tobacco roasting room mostly adopts air-supply, return air design down, introduce new wind and dehumidifying by the form in hole in the ground, skylight, air in the bakery is sent by bakery top through heating back between heating earlier, and then is heated by the air-return duct of bottom, circulation and so forth; When the humidity in the bakery was too big, damp-heat air was discharged in the hole by turning up the soil; But because the continuous increase of smoke filling density, ducting system is provided with backwardness, cause the heating in the bakery inhomogeneous, it is bigger that temperature differs, when serious, the upper and lower of bakery differs more than 10 ℃, the left part and the right part of bakery also differ nearly 10 ℃ simultaneously, total quality influence to tobacco roasting is very big, press for a kind of big air quantity air-supply of the traditional bakery of picture that need not, can reduce the ducting system of heating problem of non-uniform in the bakery again as much as possible, become urgent problem in the present tobacco roasting process.
[utility model content]
The utility model provides a kind of employing intelligent control device, utilize airduct supply and exhaust mode, effectively control the air quantity and the speed of air-supply, return air and air draft by airduct, air diffuser, reach balanced ventilation, improve the tobacco roasting novel air duct system of tobacco crudy.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of tobacco roasting novel air duct system comprises bakery, is provided with the dry section to the tobacco drying dehumidification in bakery; In the dry section of bakery bottom, being provided with many groups utilizes external heat source to the dehumidify air-supply EGR of air behind heat treated and the recycling baking tobacco of air in the dry section, described air-supply EGR also can be as required, behind the air and the mixing of the outside air proper proportion outside the bakery with loopback behind the baking tobacco in the dry section, send into baking tobacco in the dry section after the heat treated that dehumidifies once more; In the dry section at bakery top, be provided with the return air EGRs of the air behind the baking tobacco in the dry section being sent back to the air-supply EGR of organizing more, described return air EGR also can be discharged outside the bakery according to the air behind the baking tobacco in the size control dry section of exhaust air rate according to the humidity value in the dry section; Described air-supply EGR is connected with the return air EGR by pipeline.
Aforesaid tobacco roasting novel air duct system, tobacco in the described bakery enters before the dry section, in bakery, also be provided with the district that homogenizes, the tobacco that is provided with different moisture levels and temperature regime in the district that homogenizes carries out preliminary heating and dehumidification, reaches the humidity of unified standard and the humiture pretreatment system of temperature conditions.
Aforesaid tobacco roasting novel air duct system, after the tobacco of having toasted in the described bakery transports dry section, in bakery, also be provided with auxiliary region, in auxiliary region, be provided with the tobacco optimization process device that the tobacco of having toasted is carried out redrying or moisture regain processing.
Aforesaid tobacco roasting novel air duct system, described air-supply EGR comprises by what pipeline connected successively in turn first splits leafy control valve, first air inlet, first filter, first dehumidifier, first breeze fan, first air channel and first air diffuser; Described first splits leafy control valve can be according to the humidity value in the bakery dry section, the outer outside air input quantity of control bakery; Described first filter can be removed airborne large granular impurity in the dry section; Described first dehumidifier can be to carrying out dehumidification treatments through the air after the first filter filtration treatment; Be provided with in described first air channel and utilize external heat source air in the dry section to be carried out the heat exchanger of heat treated; Send in the dry section after the air even regulation of described first air diffuser to heating and dehumidification.
Aforesaid tobacco roasting novel air duct system, described heat exchanger is wind-water heat exchanger.
Aforesaid tobacco roasting novel air duct system, described return air EGR comprises by first return air inlet, first backwind tube, second of pipeline connection splits leafy control valve, first wet-emitting blower and first exhaust outlet, described first return air inlet is evenly collected the air of baking behind the tobacco in the dry section, sends into first air inlet of air-supply EGR by described first backwind tube; Described second splits leafy control valve can be according to the humidity value in the dry section, controlling first wet-emitting blower and first exhaust outlet air that relative humidity is big discharges outside the bakery, the air capacity that first exhaust outlet is discharged determines first of the described first air inlet place to split the opening degree of leafy control valve, thereby determines that the first air inlet place increases the resh air requirement of air newly.。
Aforesaid tobacco roasting novel air duct system, described humiture pretreatment system comprises the air-supply EGR and be arranged on the return air EGR that homogenizes at the top, district that homogenizes of homogenizing that being arranged on the bottom, district that homogenizes; The described air-supply EGR that homogenizes comprises by pipeline the 3rd of connection the splits leafy control valve, second air inlet, second filter, second dehumidifier, second breeze fan, second air channel, second air diffuser successively in turn; The described return air EGR that homogenizes comprises by second return air inlet, second backwind tube, the 4th of pipeline connection splits leafy control valve, second wet-emitting blower and second exhaust outlet; Described second air inlet that homogenizes the air-supply EGR is connected by second air outlet of pipeline with the return air EGR that homogenizes.
Aforesaid tobacco roasting novel air duct system, the described the 3rd splits leafy control valve can be according to the humidity value in the district that homogenizes, the outer outside air input quantity of control bakery; Described second filter can be removed airborne large granular impurity in the district that homogenizes; Described second dehumidifier can be to carrying out preliminary dehumidification treatments through the air after the second filter filtration treatment; Be provided with in described second air channel and utilize external heat source air in the district that homogenizes to be carried out the wind-water heat exchanger of heat treated; Send into after the air even regulation of described second air diffuser to preliminary heating and dehumidification in the district that homogenizes.
Aforesaid tobacco roasting novel air duct system, described second current collector air behind the preliminary baking tobacco that will homogenize in the district is evenly collected, and sends into second air inlet of the air-supply EGR that homogenizes by described second air outlet; The described the 4th splits leafy control valve can be according to the humidity value in the district that homogenizes, and control enters the air behind the preliminary baking tobacco in the district that homogenizes, and discharges outside the bakery by second wet-emitting blower and second exhaust outlet.
Aforesaid tobacco roasting novel air duct system, described tobacco optimization process device comprises the sprayer unit that as required tobacco of having toasted is carried out the heating and dehumidification device of redrying and as required the tobacco of having toasted got damp again and handles.
Advantage of the present utility model: the utility model is according to hot-air rises naturally, cold air descends naturally principle, adopt intelligent control device, utilize the air channel air-supply, the air vent mode that the set air-flow rises the control heating, dehumidifies, promptly aspect supply and exhaust, utilize airduct supply and exhaust mode, effectively control the air quantity and the speed of air-supply, return air and air draft by airduct, air diffuser, thereby reach each stage process requirement of tobacco roasting, improve the crudy of tobacco.
[description of drawings]
Fig. 1 is the utility model bakery top return air structure elevational schematic view;
Fig. 2 is the utility model bakery bottom air-supply structure schematic top plan view.
[specific embodiment]
As depicted in figs. 1 and 2, the invention provides a kind of tobacco roasting novel air duct system, comprise bakery, in bakery, be provided with dry section 1 the tobacco drying dehumidification; In the dry section 1 of bakery bottom, being provided with many groups utilizes external heat source to the dehumidify air-supply EGR 2 of air behind heat treated and the recycling baking tobacco of air in the dry section 1, described air-supply EGR 2 also can be according to the detection of humidity sensor in the bakery, the air of loopback behind the baking tobacco in the dry section 1 and the outer outside air of bakery are carried out sending into baking tobacco in the dry section 1 after the heat treated that dehumidifies once more after proper proportion mixes; In the dry section 1 at bakery top, be provided with the return air EGRs 3 of the air behind the baking tobacco in the dry section being sent back to air-supply EGR 2 of organizing more, described return air EGR 3 also can be discharged outside the bakery according to the air behind the baking tobacco in the size control dry section 1 of exhaust air rate according to the humidity value in the dry section 1; Described air-supply EGR 2 is connected with return air EGR 3 by pipeline.
Described air-supply EGR 2 comprises by pipeline first of connection splits leafy control valve 20, first air inlet 21, first filter 22, first dehumidifier 23, first breeze fan 24, first air channel 25 and first air diffuser 26 successively in turn; Described first splits leafy control valve 20 can be according to the humidity value in the bakery dry section 1, the outer outside air input quantity of control bakery, and first splits the exhaust air rate decision of the unlocking condition of leafy control valve 20 according to first exhaust outlet 34; Described first filter 22 can be removed airborne large granular impurity in the dry section; Described first dehumidifier 23 can be to carrying out dehumidification treatments through the air after first filter, 22 filtration treatment; Be provided with in described first air channel 25 and utilize external heat source air in the dry section 1 to be carried out the wind-water heat exchanger of heat treated; Send in the dry section 1 after the air even regulation of 26 pairs of heating and dehumidifications of described first air diffuser.Described return air EGR 3 comprises by first return air inlet 30, first backwind tube 31, second of pipeline connection splits leafy control valve 32, first wet-emitting blower 33 and first exhaust outlet 34, described first return air inlet 30 is evenly collected the air of baking behind the tobacco in the dry section, sends into first air inlet 21 of air-supply EGR 2 by described first backwind tube 31; Described second splits leafy control valve 32 can be according to the humidity value in the dry section 1, control enters the air behind the baking tobacco in the dry section 1, discharge outside the bakery by first wet-emitting blower 33 and first exhaust outlet 34, the air capacity that first exhaust outlet 34 is discharged determines first of described first air inlet 21 places to split the opening degree of leafy control valve 20, thereby determines that first air inlet, 21 places increase the resh air requirement of air newly.
Tobacco in the described bakery enters before the dry section 1, in bakery, also be provided with the district 4 that homogenizes, the tobacco that is provided with different moisture levels and temperature regime in the district 4 that homogenizes carries out preliminary heating and dehumidification, reaches the humidity of unified standard and the humiture pretreatment system 5 of temperature conditions.
Described humiture pretreatment system 5 comprises homogenize air-supply EGR 6 and the return air EGR 7 that homogenizes that is arranged on 4 tops, district that homogenize that is arranged on 4 bottoms, district that homogenize; The described air-supply EGR 6 that homogenizes comprises by pipeline the 3rd of connection the splits leafy control valve 60, second air inlet 61, second filter 62, second dehumidifier 63, second breeze fan 64, second air channel 65, second air diffuser 66 successively in turn; The described return air EGR 7 that homogenizes comprises by second return air inlet 70, second backwind tube the 71, the 4th of pipeline connection splits leafy control valve 72, second wet-emitting blower 73 and second exhaust outlet 74; Described second air inlet 61 that homogenizes air-supply EGR 6 is connected with second air outlet 71 of the return air EGR 7 that homogenizes by pipeline.The described the 3rd splits leafy control valve 60 can be according to the humidity value in the district 4 that homogenizes, the outer outside air input quantity of control bakery, and the 3rd splits the exhaust air rate decision of the unlocking condition of leafy control valve 60 according to second exhaust outlet 74; Described second filter 62 can be removed airborne large granular impurity in the district 4 that homogenizes; Described second dehumidifier 63 can be to carrying out preliminary dehumidification treatments through the air after second filter, 62 filtration treatment; Be provided with in described second air channel 65 and utilize external heat source air in the district 4 that homogenizes to be carried out the wind-water heat exchanger of heat treated; Send into after the air even regulation of 66 pairs of preliminary heating and dehumidifications of described second air diffuser in the district 4 that homogenizes.Air in described second return air inlet 70 will homogenize and distinguish behind the preliminary baking tobacco is evenly collected, and sends into second air inlet 61 of the air-supply EGR 6 that homogenizes by described second backwind tube 71; The described the 4th splits leafy control valve 72 can be according to the humidity value in the district 4 that homogenizes, and control enters the air behind the preliminary baking tobacco in the district 4 that homogenizes, and discharges outside the bakery by second wet-emitting blower 73 and second exhaust outlet 74.
After the tobacco of having toasted in the described bakery transports dry section 1, in bakery, also be provided with auxiliary region 8, in auxiliary region, be provided with the tobacco optimization process device 9 that the tobacco of having toasted is carried out redrying or moisture regain processing; Described tobacco optimization process device 9 comprises heating and dehumidification device and sprayer unit (not shown), and the heating and dehumidification device carries out redrying to the tobacco of having toasted as required, further removes moisture content residual in the tobacco, reaches suitable water content; Sprayer unit gets damp again to the tobacco of having toasted as required and adds wet process, the tobacco overdrying after preventing to dry.
In conjunction with the embodiments, the concrete course of work of the present utility model is done to describe in detail:
During this tobacco roasting novel air duct system works, at first distinguish 4 homogenizing of bakery, homogenize the air-supply EGR 6 and the return air EGR 7 that homogenizes by humiture pretreatment system 5, to entering the different moisture levels in the bakery and the tobacco of temperature regime, carry out preliminary heating and dehumidification, after reaching the humidity and temperature conditions of unified area requirement, send into the dry section 1 in the bakery; Then, in the dry section of bakery, first filter 22 by air-supply EGR 2, remove impurity such as dry section 1 interior airborne bulky grain dust, through the dehumidify state point of baking process requirement of first dehumidifier 23 dehumidifying section, deliver to the heating period in first air channel 25 by first breeze fan 24, after wind in first air channel 25-water heat exchanger heating, deliver to again in the dry section 1, adopt first air diffuser, 26 balanced ventilations of air-supply EGR 2 then, make the interior distinguished and admirable speed of bakery be stabilized in 0.3m/s, reach best curing environment.
In dry section 1 in the tobacco flue-curing dehumidification process, be in tobacco workmanship and the tobacco leaf internal physiological biochemical reaction process, after the air process humidity load in bakery inner drying district 1 (promptly the tobacco of dry section 1 being heated the back), after collecting through first return air inlet 30 of return air EGR 3 earlier, send back to air-supply EGR 2 through pipeline, air-supply EGR 2 is according to the detection of humidity sensor in the dry section 1; When needs increase fresh air is regulated the humidity in the bakery dry section 1, splitting leafy control valve 20 by first of air-supply EGR 2 regulates, the input quantity of loopback air behind outside air input quantity that the control bakery is outer and the baking tobacco, and then definite outside air and loopback Air mixing ratio, reduce the humidity load of air in the bakery dry section 1, after mixed processing, again behind air-supply EGR 3 heating and dehumidifications, send into the heating that circulates in the dry section 1 of bakery.In this circulation heating and dehumidification process, the humidity value that return air EGR 3 detects according to humidity sensor in the dry section simultaneously, compare with standard value, when the air humidity in the bakery dry section 1 is loaded greater than technological requirement, the exhaust air rate that leafy control valve 32 is regulated humid air in the dry section 1 is split in control second, and by first wet-emitting blower 33 and first exhaust outlet 34, the air of discharge section high humidity is finished in the bakery dry section tobacco heating and dehumidification that circulates is for the first time handled outside bakery.Certainly, in the tobacco flue-curing dehumidification process, also can utilize extraneous Changes in weather in dry section, the air after changing by the external world is regulated the humidity in the bakery dry section 1.
After the tobacco of having toasted in the bakery transported dry section 1, the tobacco optimization process device 9 in bakery auxiliary region 8 according to tobacco humidity and drying regime, carried out redrying or moisture regain processing to tobacco.When tobacco humidity does not also reach desired standard, by the heating and dehumidification device on the tobacco optimization process device 9 tobacco of having toasted is carried out redrying, make tobacco reach predetermined water content; Too dry when tobacco, humidity is crossed when hanging down, and by the sprayer unit on the tobacco optimization process device, the tobacco of having toasted is carried out spraying and dampening handle, and makes tobacco be unlikely to overdrying.
Can also there be other distortion in tobacco roasting novel air duct of the present utility model system, can be the air channel of huge air channel or other types as the air channel, and air outlet can be other forms of air port etc.; In a word, do conspicuous change, and other every change that does not break away from patent essence of the present invention all should be included within the described scope of claim according to the prompting of above-mentioned example.
Claims (9)
1. a tobacco roasting novel air duct system comprises bakery, is provided with the dry section to the tobacco drying dehumidification in bakery; It is characterized in that,
In the dry section of bakery bottom, be provided with many groups and utilize external heat source the dehumidify air-supply EGR of air behind heat treated and the recycling baking tobacco of air in the dry section;
In the dry section at bakery top, be provided with the return air EGRs of the air behind the baking tobacco in the dry section being sent back to the air-supply EGR of organizing more;
Described air-supply EGR is connected with the return air EGR by pipeline.
2. tobacco roasting novel air duct according to claim 1 system is characterized in that, also is provided with the district that homogenizes before the dry section in the described bakery, is provided with the humiture pretreatment system in distinguishing homogenizing.
3. tobacco roasting novel air duct according to claim 1 and 2 system is characterized in that described bakery inner drying also is provided with auxiliary region behind the district, is provided with tobacco optimization process device in auxiliary region.
4. tobacco roasting novel air duct according to claim 1 system, it is characterized in that described air-supply EGR comprises by pipeline first of connection splits leafy control valve, first air inlet, first filter, first dehumidifier, first breeze fan, first air channel and first air diffuser successively in turn; Be provided with in described first air channel and utilize external heat source air in the dry section to be carried out the heat exchanger of heat treated.
5. tobacco roasting novel air duct according to claim 4 system is characterized in that described heat exchanger is wind-water heat exchanger.
6. according to the described tobacco roasting novel air duct of claim 4 claim system, it is characterized in that described return air EGR comprises by first return air inlet, first backwind tube, second of pipeline connection splits leafy control valve, first wet-emitting blower and first exhaust outlet.
7. tobacco roasting novel air duct according to claim 2 system is characterized in that, described humiture pretreatment system comprises the air-supply EGR and be arranged on the return air EGR that homogenizes at the top, district that homogenizes of homogenizing that being arranged on the bottom, district that homogenizes; The described air-supply EGR that homogenizes comprises by pipeline the 3rd of connection the splits leafy control valve, second air inlet, second filter, second dehumidifier, second breeze fan, second air channel, second air diffuser successively in turn; The described return air EGR that homogenizes comprises by second return air inlet, second backwind tube, the 4th of pipeline connection splits leafy control valve, second wet-emitting blower and second exhaust outlet; Described second air inlet that homogenizes the air-supply EGR is connected by second air outlet of pipeline with the return air EGR that homogenizes.
8. tobacco roasting novel air duct according to claim 7 system is characterized in that, is provided with in described second air channel to utilize external heat source air in the district that homogenizes to be carried out the wind-water heat exchanger of heat treated.
9. tobacco roasting novel air duct according to claim 3 system, it is characterized in that, described tobacco optimization process device comprises the sprayer unit that as required tobacco of having toasted is carried out the heating and dehumidification device of redrying and as required the tobacco of having toasted got damp again and handles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205793793U CN201947926U (en) | 2010-10-27 | 2010-10-27 | Novel ducting system for roasting tobacco |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205793793U CN201947926U (en) | 2010-10-27 | 2010-10-27 | Novel ducting system for roasting tobacco |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201947926U true CN201947926U (en) | 2011-08-31 |
Family
ID=44492058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205793793U Expired - Fee Related CN201947926U (en) | 2010-10-27 | 2010-10-27 | Novel ducting system for roasting tobacco |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201947926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102669807A (en) * | 2012-04-23 | 2012-09-19 | 云南乾程科技开发有限公司 | Closed internal circulation energy-saving and environment-friendly flue-curing barn for tobacco leaf curing |
-
2010
- 2010-10-27 CN CN2010205793793U patent/CN201947926U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102669807A (en) * | 2012-04-23 | 2012-09-19 | 云南乾程科技开发有限公司 | Closed internal circulation energy-saving and environment-friendly flue-curing barn for tobacco leaf curing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20131027 |