CN113261694A - Tobacco leaf bulk curing barn with turnover circulating fan - Google Patents
Tobacco leaf bulk curing barn with turnover circulating fan Download PDFInfo
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- CN113261694A CN113261694A CN202110457571.8A CN202110457571A CN113261694A CN 113261694 A CN113261694 A CN 113261694A CN 202110457571 A CN202110457571 A CN 202110457571A CN 113261694 A CN113261694 A CN 113261694A
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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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Abstract
The invention relates to the technical field of tobacco leaf baking, in particular to a tobacco leaf bulk curing barn with a turnover circulating fan, which comprises a tobacco containing chamber and a heating chamber, wherein a partition plate is arranged between the tobacco containing chamber and the heating chamber, air ports are formed in the top and the bottom of the partition plate, moisture discharging windows are arranged on the two sides of the top and the bottom of the drying chamber, a fan turnover mechanism is arranged in the heating chamber, and a heating assembly is arranged below the fan turnover mechanism. The baking quality of the tobacco leaves in the upper shed and the lower shed is difficult to be considered.
Description
The technical field is as follows:
the invention relates to the technical field of tobacco leaf baking, in particular to a tobacco leaf bulk curing barn with a turnover circulating fan.
Background art:
tobacco leaf baking is a key link of tobacco production, the baking quality of tobacco leaves is directly related to the flavor and grade of cigarettes, a bulk tobacco leaf curing barn is a carrier of a tobacco leaf baking technology and is crucial to ensuring the baking quality of the tobacco leaves, the bulk tobacco leaf curing barn in China has two forms of air flow rising and air flow falling, the forced ventilation is carried out in the curing barn by utilizing a circulating fan, dry and cold air in the environment is sucked into a heating chamber and is sent into a tobacco loading chamber after being heated, water vapor evaporated from the tobacco leaves is brought into the environment, the tobacco leaves are baked in a circulating manner, the tobacco leaves are gradually turned yellow and dehydrated in the baking process, and the bulk tobacco leaf baking barn has the advantages of large tobacco loading amount, energy conservation and the like, but the air flow of the existing curing barn is of a rising type or falling type relative to the flow direction of the tobacco leaves, and for the air flow falling type curing barn, the temperature is gradually decreased and the humidity is gradually increased in the process that the air flow passes through a tobacco layer from top to bottom; the air-flow rising type curing barn also has the phenomenon of uneven temperature and humidity of the upper shed and the lower shed, the change gradient is opposite to that of the falling type, the unidirectional circulation of the air flow enables the dehydration speed and the yellowing degree of the tobacco leaves at the upstream of the air flow to be larger than those of the tobacco leaves at the downstream, the grade of the cured tobacco leaves at the upper shed and the lower shed is inconsistent, and the tobacco leaves at the upstream of the air flow are easy to brown or the tobacco leaves at the downstream of the air flow are not enough to yellow.
In chinese patent publication No. CN203234014U, an airflow alternating horizontal dense tobacco flue-curing house is disclosed, which comprises a house body, wherein the house body comprises a front end wall, a rear end wall, side walls, a roof and partition walls, a tobacco leaf baking chamber is formed between the partition walls and the rear end wall, and a hot air chamber and a heating chamber are arranged between the front end wall and the partition walls; the partition wall is provided with an airflow upper channel opening and an airflow lower channel opening; a heating device is arranged in the heating chamber, a bidirectional circulating fan is arranged in the hot air chamber, and the bidirectional circulating fan is electrically connected with the variable frequency controller; an air flow ascending type cold air inlet door is arranged on the front end wall, and an air flow descending type cold air inlet door is arranged on the heating chamber; the air current rising formula hydrofuge window and the air current fall formula hydrofuge window on the rear end wall can carry out the air current through two-way circulating fan and dry in turn, but two-way circulating fan not only structure is complicated, and the price is expensive moreover, has improved the cost of curing of tobacco leaf, has certain use restriction, has reduced the economic benefits of enterprise.
The invention content is as follows:
aiming at the defects and problems, the invention provides the tobacco leaf bulk curing barn with the turnover circulating fan, which adopts the turnover axial flow fan to control the air flow direction, is easy to realize, reduces the curing cost of tobacco leaves, realizes the alternate operation of an air flow ascending mode and an air flow descending mode in a tobacco containing chamber by controlling the turnover of the axial flow fan by a motor, avoids the condition of condensed water drops at the top of the tobacco containing chamber by circularly alternately curing, also avoids the situation that the tobacco leaves at the same position are positioned at the upstream or the downstream of air flow in the whole curing time period, ensures that the dehydration speed and the yellowing degree of the tobacco leaves on an upper shed and a lower shed are relatively consistent, and effectively solves the problems that the existing tobacco leaves are different in yellowing dehydration speed and the curing quality of the tobacco leaves on the upper shed and the lower shed is difficult to be considered simultaneously.
The technical scheme adopted by the invention for solving the technical problems is as follows: a tobacco leaf bulk curing barn with a turnover circulating fan comprises a drying chamber, and further comprises an air source heat pump, a fan turnover mechanism, a heating assembly and a controller, wherein the drying chamber comprises a tobacco containing chamber and a heating chamber, a partition plate is arranged between the tobacco containing chamber and the heating chamber, the top and the bottom of the partition plate are respectively provided with an upper air inlet and a lower air inlet, two sides of the top of the drying chamber are provided with upper moisture discharging windows, the upper moisture discharging windows are communicated with the tobacco containing chamber, two sides of the bottom of the drying chamber are provided with lower moisture discharging windows, and the lower moisture discharging windows are communicated with the tobacco containing chamber; the fan turnover mechanism comprises a circulating fan arranged in the heating chamber, a control motor is arranged on one side of the circulating fan and fixed in the heating chamber, rotating shafts are horizontally fixed on two sides of the circulating fan respectively, the output end of the control motor is fixedly connected with the rotating shaft on one side of the circulating fan, the rotating shaft on the other side of the circulating fan is rotatably sleeved on the inner side wall of the heating chamber, a controller is arranged on the outer side wall of the heating chamber and is in control connection with the control motor and the circulating fan, and a fresh air valve is arranged on the side surface of the heating chamber; the heating assembly comprises a condenser arranged below the circulating fan, the air source heat pump is arranged outside the heating chamber, the output end of the air source heat pump is hermetically connected with the input end of the condenser, the air source heat pump is in control connection with the controller, and a heating wire is arranged below the condenser.
Further, the circulating fan is an axial flow fan.
Further, the rotating shaft is fixed in the centers of two sides of the axial flow fan.
Further, the outer end of the right rotating shaft of the circulating fan is fixedly connected with the output end of the control motor, and the inner end of the right rotating shaft of the circulating fan is fixedly connected with the outer side wall of the circulating fan; the outer end of the rotating shaft on the left side of the circulating fan is rotatably sleeved on the inner side wall of the heating chamber, and the inner end of the rotating shaft on the left side of the circulating fan is fixedly connected with the outer side wall of the circulating fan.
Furthermore, the tobacco drying room further comprises a moisture removing channel, the moisture removing channel is arranged on two sides of the bottom of the drying room, the input end of the moisture removing channel is communicated with the tobacco loading chamber, and the lower moisture removing window is arranged at the output end of the moisture removing channel.
Further, still include the motor mount, the control motor sets up on the motor mount, and the motor mount is fixed in the heating chamber.
Furthermore, an observation window is arranged on one side of the drying room.
Furthermore, a temperature sensor is arranged in the smoke containing chamber.
Further, the interval time of the alternate operation of the airflow ascending and the airflow descending is as follows: turning the tobacco leaves at the yellowing stage for 1 time at an interval of 1h by a circulating fan, wherein the temperature in a tobacco containing chamber is 40 ℃; the tobacco leaves are in a color fixing period, the circulating fan is turned for 1 time at intervals of 2h, and the temperature in the tobacco containing chamber is 50 degrees; the tobacco leaves are in the stem drying period, the circulating fan is turned for 1 time at intervals of 4h, and the temperature in the tobacco filling chamber is 68 ℃.
The invention has the beneficial effects that: through the upper air inlet and the lower air inlet which are formed in the top and the bottom of the partition plate between the heating chamber and the tobacco containing chamber, when an air source heat pump is used, a condenser is used for generating hot air, waste heat can return to the heating chamber for reutilization through the upper air inlet or the lower air inlet, moisture can be discharged through the upper moisture discharging window or the lower moisture discharging window, air supplement is performed on the drying chamber through the fresh air valve, virtuous cycle of air flow is achieved between the heating chamber and the tobacco containing chamber, tobacco leaves in the tobacco containing chamber are baked, the controller can control the control motor to turn over the circulating fan, the direction of the air flow is controlled, alternate operation of an air flow ascending mode and an air flow descending mode in the tobacco containing chamber is achieved, wind power of the axial flow fan is large, and baking effect of the tobacco leaves is further improved.
When the circulating fan is used for carrying out air-flow ascending type baking in the baking room, the circulating fan blows downwards, air enters the heating chamber through the fresh air valve and moves downwards under the action of the circulating fan, the air moving downwards can be heated by the condenser and further heated by the heating wire in an auxiliary mode, the air is conveyed into the tobacco containing chamber through the lower air opening, hot air is used for baking tobacco leaves and takes away moisture on the tobacco leaves, part of wet air is exhausted through the upper moisture exhaust window, and the rest of wet air returns to the heating chamber through the upper air opening, so that air-flow ascending type baking on the tobacco leaves is realized; after tobacco leaves in a tobacco containing chamber are baked in an air flow ascending mode for a period of time, a motor is controlled to drive a rotating shaft to rotate, a circulating fan is controlled to overturn for 180 degrees, baking is conducted when air flow descends in a baking room, the circulating fan blows air upwards, air enters a heating chamber through a fresh air valve, the air moves upwards under the action of the circulating fan, the air moving upwards can be heated by a heating wire in an auxiliary mode, the air is further heated by a condenser, the air is conveyed into the tobacco containing chamber through an upper air opening, hot air is used for baking the tobacco leaves, moisture on the tobacco leaves is taken away, a part of wet air is discharged through a lower wet discharging window, and the rest of the air returns to the heating chamber through a lower air opening, and air flow descending type baking of the tobacco leaves.
The airflow direction is controlled by the reversible axial flow fan, the tobacco leaf curing cost is reduced, the axial flow fan is turned by the control motor, the alternate operation of an airflow ascending mode and an airflow descending mode in the tobacco containing chamber is realized, the condition of condensed water drops at the top of the tobacco containing chamber is also avoided by circularly alternately curing, and the tobacco leaves at the same position are also avoided being positioned at the upstream or the downstream of the airflow in the whole curing time period, so that the dehydration speed and the yellowing degree of the tobacco leaves in the upper shed and the lower shed are kept relatively consistent, the problems that the existing tobacco leaves are different in yellowing and dehydration speed and the tobacco leaf curing quality of the upper shed and the lower shed are difficult to take into account are effectively solved.
Drawings
FIG. 1 is a schematic view of the present invention.
FIG. 2 is a second schematic view of the present invention.
FIG. 3 is a third schematic view of the present invention.
FIG. 4 is a schematic view of another embodiment of the present invention.
FIG. 5 is a second schematic view of another structure of the present invention.
Fig. 6 is a schematic structural view of a cooling circulation mechanism.
Fig. 7 is an enlarged schematic view of a portion a of fig. 6.
In the figure: 1-a drying room, 2-an air inlet, 3-an upper wet exhaust window, 4-a rotating shaft, 5-an axial flow fan, 51-a driving motor, 6-a control motor, 7-a controller, 8-a fresh air valve, 9-a lower wet exhaust window, 10-a lower air inlet, 11-a condenser, 12-a heating wire, 13-a heating chamber, 14-a smoke chamber, 15-an air source heat pump, 16-a rotating shaft fixing frame, 17-a first adapter, 18-a second adapter, 19-a pump, 20-a first static pipe, 21-a second static pipe, 22-a first coil pipe, 23-a first moving pipe, 24-a second moving pipe, 25-a first outlet, 26-a second outlet, 27-a second coil pipe, 28-an observation window and 29-a clapboard, 30-moisture removal channel, 31-temperature sensor.
The specific implementation mode is as follows:
the invention is further illustrated with reference to the following figures and examples.
In view of the above problems, the present embodiment provides a tobacco leaf bulk curing barn with a reversible circulating fan, as shown in fig. 1-3, comprising a curing barn 1, wherein the curing barn 1 is provided with a tobacco-loading chamber 14 and a heating chamber 13, a clapboard 29 is fixed between the tobacco chamber and the heating chamber, the top of the clapboard 29 is provided with an upper air inlet 2, the bottom of the clapboard 29 is provided with a lower air inlet 10, two sides of the top of the drying room 1 are provided with upper moisture-removing windows 3, the upper moisture-removing windows 3 are communicated with the tobacco chamber 14, the two sides of the bottom of the drying room 1 are provided with lower moisture discharging windows 9, the lower moisture discharging windows 9 are communicated with a smoke containing chamber 14, and an observation window 28 is arranged at the left side of the drying room 1, the tobacco baking condition in the tobacco containing chamber 14 can be observed through the observation window 28, the fresh air valve 8 is arranged on the left side of the heating chamber 13, outside air can enter the heating chamber 13 through the fresh air valve 8, and the temperature sensor 31 is installed on the top in the smoke containing chamber 14.
The heating chamber 13 is provided with a circulating fan, the circulating fan is an axial flow fan 5, the driving motor 51 is used as a power source of the axial flow fan 5, the right side of the axial flow fan 5 is provided with a control motor 6, the control motor 6 is fixed on a motor fixing frame, a fixing plate is arranged in the heating chamber 13, the control motor 6 is fixed on the fixing plate through the motor fixing frame, two sides of the axial flow fan 5 are respectively and horizontally fixed with a rotating shaft 4, the rotating shafts 4 are fixed at the central positions of two sides of the axial flow fan 5, the outer end of the rotating shaft 4 at the right side of the axial flow fan 5 is fixedly connected with an output shaft of the control motor 6, and the inner end of the rotating shaft 4 at the right side of the axial flow fan 5 is fixedly connected with the outer side wall of the axial flow fan 5; the outer end of axial fan 5 left side pivot 4 rotates the suit on the inside wall of heating chamber 13, and the inner end of axial fan 5 left side pivot 4 and axial fan 5's lateral wall fixed connection, control motor 6 starts the back, can drive pivot 4 and rotate, drive axial fan 5 and carry out 180 upsets, install controller 7 on the lateral wall of heating chamber 13, controller 7 and control motor 6 and driving motor 51 control connection, the staff can the opening and close of control axial fan 5 of operation controller 7 control, and also can control motor 6, realize axial fan 5's upset.
The condenser 11 is arranged below the axial flow fan 5, an air source heat pump 15 is arranged outside the heating chamber 13, the output end of the air source heat pump 15 is connected with the input end of the condenser 11, the air source heat pump 15 is matched with the condenser 11, the air flow in the heating chamber 13 can be heated to form hot air, the air source heat pump 15 is in control connection with the controller 7, the controller 7 can adjust the temperature in the drying room 1 through the air source heat pump 15, a heating wire 12 is arranged below the condenser 11, and the heating wire 12 can assist in heating the air flow.
A tobacco leaf hanging frame is arranged in the tobacco containing chamber 14, after tobacco leaves are evenly hung on the hanging frame in the tobacco containing chamber 14 by a worker, an air source heat pump 15 and an axial flow fan 5 are respectively started through a controller 7, the air source heat pump 15 enables a condenser 11 to release high-temperature heat in a heating chamber 13, a heating wire 12 is started to carry out auxiliary heating, when the axial flow fan 5 carries out air flow rising type baking on the tobacco containing chamber 14, the axial flow fan 5 blows air downwards, outside air enters the heating chamber 13 through a fresh air valve 8, moves downwards under the action of the axial flow fan 5, the air flow moving downwards is heated by the condenser 11 and further is subjected to auxiliary heating by the heating wire 12, the air flow is conveyed into the tobacco containing chamber 14 through a lower air opening 10, hot air is used for baking the tobacco leaves and takes away moisture on the tobacco leaves, a part of wet air is discharged through an upper moisture discharging window 3, and the rest of the air flows back into the heating chamber 13 through an upper air opening 2, realizing the air-flow rising type baking of the tobacco leaves; after tobacco leaves in a tobacco containing chamber 14 are subjected to air flow ascending type baking for a period of time, a worker starts a control motor 6 through a controller 7, the control motor 6 drives a rotating shaft 4 to rotate, an axial flow fan 5 is controlled to turn over for 180 degrees, air flow descending type baking is performed in the baking chamber, the axial flow fan 5 blows air upwards, outside air enters a heating chamber 13 through a fresh air valve 8 and moves upwards under the action of the axial flow fan 5, the air flow moving upwards is heated by a heating wire 12 in an auxiliary mode and is further heated by a condenser 11 and is conveyed into the tobacco containing chamber 14 through an upper air opening 2, hot air is used for baking the tobacco leaves and takes away moisture on the tobacco leaves, part of wet air is discharged through a lower moisture discharging window 9, and the rest of wet air returns into the heating chamber 13 through a lower air opening 10, so that the air flow descending type baking of the tobacco leaves is realized; the controller 7 controls the turning of the axial flow fan 5 and the temperature in the drying room 1, a worker operates the controller 7 to control the turning of the axial flow fan 5 according to the curing period of the tobacco leaves, when the tobacco leaves are in the yellowing period, the axial flow fan 5 is turned for 1 time at an interval of 1h, and the temperature in the tobacco containing room 14 is controlled to be about 40 ℃; the tobacco leaves are in a color fixing period, the axial flow fan 5 is turned over for 1 time at intervals of 2 hours, and the temperature in the tobacco containing chamber 14 is controlled to be about 50 ℃; the tobacco leaves are in the stem drying period, the axial flow fan 5 is turned over for 1 time at intervals of 4h, and the temperature in the tobacco containing chamber 14 is controlled to be about 68 ℃.
Example 2 the point of difference between the tobacco bulk curing barn in which a circulating fan is turnable and example 1 will be mainly described.
In this embodiment, as shown in fig. 2, the moisture discharging passages 30 are provided at two sides of the bottom of the drying room, the input ends of the moisture discharging passages 30 are communicated with the smoke containing chamber 14, the lower moisture discharging windows 9 are provided at the output ends of the moisture discharging passages 30, and the wet air discharging effect of the lower moisture discharging windows 9 is improved by the upper moisture discharging windows 3 and the lower moisture discharging windows 9 which are alternately provided.
Example 3 a bulk tobacco curing barn having a reversible circulating fan according to the present embodiment will be described focusing on the differences from example 1.
In embodiment 1, the circulation fan that can realize the upset and adopt must be axial fan, axial fan 5 is in the course of the work, axial fan's wind-force is big on the one hand, the steam that blows off can concentrate on driving motor 51 department, driving motor 51 can be influenced by the hot-blast that axial fan blew off, lead to driving motor 51 by hot-blast heating, it is unfavorable to driving motor 51, on the other hand driving motor 51 just can give out the heat at the during operation itself, receive axial fan's hot-blast heating again, just can reduce driving motor's life, even lead to driving motor to damage.
In view of the problems in embodiment 1, the present embodiment provides a tobacco bulk curing barn having a reversible circulating fan, as shown in fig. 4-7, the rotating shaft 4 is a hollow structure, the end of the rotating shaft 4 extends out of the heating chamber 13, a rotating shaft fixing frame 16 is arranged on the outer side wall of the heating chamber 13, the extending part of the rotating shaft 4 is rotatably sleeved on the rotating shaft fixing frame 16, the end of the rotating shaft 4 is sealed, a second coil pipe 27 is wound and fixed on the outer peripheral side of the driving motor 51, the output end of the second coil pipe 27 is connected with a first moving pipe 23, the input end of the second coil pipe 27 is connected with a second moving pipe 24, the first moving pipe 23 and the second moving pipe 24 extend into the rotating shaft 4, the rotating shaft 4 is respectively provided with a first outlet 25 and a second outlet 26 corresponding to the first moving pipe 23 and the second moving pipe 24, the output end of the first moving pipe 23 is hermetically connected with the first outlet 25, and the output end of the second moving pipe 24 is hermetically connected with the second outlet 26; the rotating shaft 4 is provided with a first rotating joint 17 in a sealing and sealing manner, a first outlet 25 is communicated with an input inner cavity of the first rotating joint 17 in a sealing manner, the first outlet 25 can rotate in the input inner cavity of the first rotating joint 17, and the output end of the first rotating joint 17 is connected with a first static pipe 20; the second adapter 18 is mounted on the rotating shaft 4 in a sealing mode, the second outlet 26 is communicated with the input inner cavity of the second adapter 18 in a sealing mode, the second outlet 26 can rotate in the input inner cavity of the second adapter 18, and the input end of the second adapter 18 is connected with the second static pipe 21.
Be fixed with first coil 22 on the fresh air valve 8, the output of first quiet pipe 20 is connected with the input of first coil 22, and the input of second quiet pipe 21 passes through water pump 19 to be connected with the output of first coil 22, and water pump 19 fixes the lateral wall at heating chamber 13, can circulate the liquid in first coil 22 and the second coil 27 through water pump 19.
The water pump 19 pumps the liquid in the second static pipe 21 to the second adapter 18 input cavity, the liquid in the second adapter 18 input cavity is conveyed into the second coil 27 through the second pipe 24, the liquid in the second coil 27 is conveyed into the first adapter 17 input cavity through the first pipe 23, and the liquid in the first adapter 17 input cavity is conveyed into the first coil 22 through the first static pipe 20; the control motor 6 drives the rotating shaft 4 to rotate, the axial flow fan 5 is controlled to turn 180 degrees, and the first moving pipe 23 and the second moving pipe 24 of the rotating shaft 4 rotate together with the rotating shaft 4.
Under the effect of second coil pipe 27, can carry out thermal-insulated protection to driving motor 51, liquid in first coil pipe 22 and the second coil pipe 27 circulates through water pump 19, also can reduce the influence that hot-blast led to the fact driving motor 51, and also can cool off driving motor 51 itself, driving motor 51's normal use has been guaranteed, driving motor 51's life has been improved, first coil pipe 22 on the new trend valve 8 can utilize the outside air to cool off the liquid in the coil pipe, also can preheat the air that enters into heating chamber 13 through new trend valve 8, realize the reuse of the energy, and resources are saved.
Example 4 a bulk tobacco curing barn in which a circulating fan is turned over according to the present embodiment will be described focusing on the differences from example 1.
In the embodiment, the controller 7 can be changed into an automatic mode, when the controller 7 is in the automatic mode, the tobacco leaves are intelligently baked according to the tobacco leaf baking process, when the time is 0-72 hours, the axial flow fan 5 is turned over for 1 time at an interval of 1 hour, the temperature in the tobacco containing chamber 14 is controlled to be about 40 ℃, when the time is 72-120 hours, the axial flow fan 5 is turned over for 1 time at an interval of 2 hours, and the temperature in the tobacco containing chamber 14 is controlled to be about 50 ℃; and when the temperature is increased by 120-168h, the axial flow fan 5 is turned over for 1 time at an interval of 4h, and the temperature in the cigarette loading chamber 14 is controlled to be about 68 ℃.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and scope of the present invention are intended to be covered thereby.
Claims (9)
1. A tobacco leaf bulk curing barn with a turnover circulating fan comprises a drying chamber and is characterized by further comprising an air source heat pump, a fan turnover mechanism, a heating assembly and a controller, wherein the drying chamber comprises a tobacco containing chamber and a heating chamber, a partition plate is arranged between the tobacco containing chamber and the heating chamber, the top and the bottom of the partition plate are respectively provided with an upper air inlet and a lower air inlet, two sides of the top of the drying chamber are provided with upper moisture discharging windows, the upper moisture discharging windows are communicated with the tobacco containing chamber, two sides of the bottom of the drying chamber are provided with lower moisture discharging windows, and the lower moisture discharging windows are communicated with the tobacco containing chamber; the fan turnover mechanism comprises a circulating fan arranged in the heating chamber, a control motor is arranged on one side of the circulating fan and fixed in the heating chamber, rotating shafts are horizontally fixed on two sides of the circulating fan respectively, the output end of the control motor is fixedly connected with the rotating shaft on one side of the circulating fan, the rotating shaft on the other side of the circulating fan is rotatably sleeved on the inner side wall of the heating chamber, a controller is arranged on the outer side wall of the heating chamber and is in control connection with the control motor and the circulating fan, and a fresh air valve is arranged on the side surface of the heating chamber; the heating assembly comprises a condenser arranged below the circulating fan, the air source heat pump is arranged outside the heating chamber, the output end of the air source heat pump is hermetically connected with the input end of the condenser, the air source heat pump is in control connection with the controller, and a heating wire is arranged below the condenser.
2. The tobacco bulk curing barn with the reversible circulating fan as claimed in claim 1, wherein the circulating fan is an axial fan.
3. The tobacco bulk curing barn with the turnover circulating fan as claimed in claim 2, wherein the rotating shaft is fixed at the center of both sides of the axial flow fan.
4. The tobacco leaf bulk curing barn with the reversible circulating fan as claimed in claim 1, wherein the outer end of the rotating shaft on the right side of the circulating fan is fixedly connected with the output end of the control motor, and the inner end of the rotating shaft on the right side of the circulating fan is fixedly connected with the outer side wall of the circulating fan; the outer end of the rotating shaft on the left side of the circulating fan is rotatably sleeved on the inner side wall of the heating chamber, and the inner end of the rotating shaft on the left side of the circulating fan is fixedly connected with the outer side wall of the circulating fan.
5. The tobacco leaf bulk curing barn with the reversible circulating fan as claimed in claim 1, further comprising a moisture removing channel, wherein the moisture removing channel is arranged on two sides of the bottom of the curing barn, the input end of the moisture removing channel is communicated with the tobacco containing chamber, and the lower moisture removing window is arranged at the output end of the moisture removing channel.
6. The tobacco leaf bulk curing barn with the reversible circulating fan as claimed in claim 1, further comprising a motor fixing frame, wherein the control motor is arranged on the motor fixing frame, and the motor fixing frame is fixed in the heating chamber.
7. The tobacco bulk curing barn with the turnover circulating fan according to claim 1, wherein an observation window is provided at one side of the curing barn.
8. The tobacco leaf bulk curing barn with the reversible circulating fan as claimed in claim 1, wherein a temperature sensor is arranged in the tobacco containing chamber.
9. The tobacco bulk curing barn with the reversible circulating fan as claimed in claim 8, wherein the interval time between the alternate operation of the air flow rising and the air flow falling is as follows: turning the tobacco leaves at the yellowing stage for 1 time at an interval of 1h by a circulating fan, wherein the temperature in a tobacco containing chamber is 40 ℃; the tobacco leaves are in a color fixing period, the circulating fan is turned for 1 time at intervals of 2h, and the temperature in the tobacco containing chamber is 50 degrees; the tobacco leaves are in the stem drying period, the circulating fan is turned for 1 time at intervals of 4h, and the temperature in the tobacco filling chamber is 68 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110457571.8A CN113261694A (en) | 2021-04-27 | 2021-04-27 | Tobacco leaf bulk curing barn with turnover circulating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110457571.8A CN113261694A (en) | 2021-04-27 | 2021-04-27 | Tobacco leaf bulk curing barn with turnover circulating fan |
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| Publication Number | Publication Date |
|---|---|
| CN113261694A true CN113261694A (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110457571.8A Pending CN113261694A (en) | 2021-04-27 | 2021-04-27 | Tobacco leaf bulk curing barn with turnover circulating fan |
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| CN (1) | CN113261694A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113951531A (en) * | 2021-11-26 | 2022-01-21 | 河南中烟工业有限责任公司 | Automatic tobacco leaf baking oven suitable for flue-cured tobacco variety and modulation test |
| CN114532572A (en) * | 2022-04-18 | 2022-05-27 | 河南中烟工业有限责任公司 | Tobacco leaf yellowing stage and color fixing early stage curing process in bulk curing barn |
-
2021
- 2021-04-27 CN CN202110457571.8A patent/CN113261694A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113951531A (en) * | 2021-11-26 | 2022-01-21 | 河南中烟工业有限责任公司 | Automatic tobacco leaf baking oven suitable for flue-cured tobacco variety and modulation test |
| CN114532572A (en) * | 2022-04-18 | 2022-05-27 | 河南中烟工业有限责任公司 | Tobacco leaf yellowing stage and color fixing early stage curing process in bulk curing barn |
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