CN211353871U - Tobacco curing equipment based on carbon material - Google Patents

Abstract

The utility model relates to a tobacco-curing device based on carbon material, which comprises a box body, a heating surface, a controller, a tobacco rod supporting frame and a temperature and humidity sensor; at least one heating surface is arranged on the inner wall of the box body; the heating surface comprises a heating element and a temperature sensor; the heating element is a carbon-based heating element, and radiates heat in a far infrared mode after being electrified; the temperature sensor is used for detecting the real-time temperature of the heating surface; the box body is at least provided with a group of air outlets and air inlets; the tobacco stem supporting frame is used for placing flue-cured tobacco; the temperature and humidity sensor is used for detecting temperature and humidity information of the inner space of the box body in real time; and the controller controls the heating element to be powered on or powered off according to the real-time temperature information and the temperature and humidity information. The utility model has simple structure and high energy utilization rate, and effectively improves the tobacco-curing efficiency while ensuring the quality of tobacco leaves; compared with a fire coal flue-cured tobacco mode, the flue-cured tobacco equipment has no pollution and low cost.

Description

Tobacco curing equipment based on carbon material

Technical Field

The utility model relates to a tobacco-curing equipment, concretely relates to tobacco-curing equipment based on carbon material.

Background

The tobacco belongs to the tubular flores, when the tobacco is mature, the scientific and efficient baking process is not only a key factor for determining the quality and the usability of the tobacco leaves, but also the basis for reducing the labor intensity and the production cost.

The flue-cured tobacco planting and production in China has been over 100 years old, and flue-cured tobacco equipment gradually forms a structural form which is adaptive to the rural economic and technical conditions in China from low grade to high grade and from simple to complex. The local tobacco curing place is mainly a brick tobacco curing house, coal is used as a heat source, air is exhausted through the power consumption of an air blower, the curing time of one tobacco curing furnace is seven days, people need to add coal all day long to adjust firepower, and the color of tobacco leaves is tracked and observed, so that the energy waste, the production cost and the labor cost are increased. In addition, a large amount of harmful gases such as sulfur dioxide released in the coal combustion process not only pollute the environment, but also influence the grade of the finished tobacco leaf products.

Compared with the traditional coal-fired tobacco curing barn, the air source heat pump tobacco curing barn emerging in recent years has the advantages of environmental protection (no pollution and no combustion emission substances), energy conservation (the heat pump energy efficiency ratio theory can reach 4: 1), automatic temperature and humidity control, low labor cost, obvious improvement on the quality of flue-cured tobacco and the like. But air source heat pump flue-cured tobacco equipment system is more complicated, comprises dress cigarette room and heat pump system, and wherein the heat pump system component part includes compressor, condenser, throttling arrangement and evaporimeter, and its toasts the principle and does: according to the second law of thermodynamics, the refrigerant absorbs heat from a low-temperature heat source (air), becomes a high-temperature and high-pressure medium after being compressed by a compressor, enters a heat exchanger for heating, and the heated air is sent into a tobacco loading chamber, so that the aim of continuously supplying heat to a curing barn is fulfilled. However, in the heat transfer process, not only is there great intermediate heat loss (the actual energy efficiency ratio is 1.5:1), but also the tobacco leaves are easily heated unevenly and the temperature and humidity are unbalanced due to the single air flow ascending or descending drying mode, and the quality of the tobacco leaves is also affected because warm and humid air flows containing water vapor and tobacco leaf flavor substances are continuously discharged in the moisture discharging process.

In addition, most of the intelligent automatic control systems of the existing curing barn are independently arranged outside the curing barn, and integrated full-automatic digital control is not realized, so that the waste of human resources is undoubtedly greatly increased for the curing bases with more curing barn numbers.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned technical problem that current tobacco-curing equipment exists, the utility model provides a tobacco-curing equipment based on carbon material, this tobacco-curing equipment builds simply, and it is convenient to use, has energy utilization and rates high, satisfies wide voltage service condition (36V-380V), and power and temperature are controllable, with low costs, and the security performance is high, environmental protection advantage such as pollution-free, and integrated automatic control mode has improved flue-cured tobacco efficiency simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme:

a tobacco curing device based on carbon materials is characterized by comprising a box body, a heating surface, a controller, a tobacco stem supporting frame and a temperature and humidity sensor;

at least one heating surface is arranged on the left, right, back and inner wall of the bottom plate surface of the box body; the heating surface comprises a heating element and a temperature sensor; the heating element is a carbon-based heating element, the heating element is connected with a power supply through the controller, and the heating element radiates heat in a far infrared mode after being electrified; the temperature sensor is arranged on the heating element and used for detecting the real-time temperature of the heating surface; the box body is at least provided with a group of air outlet and air inlet which are respectively communicated with the interior of the box body;

the tobacco rod supporting frame is arranged in the box body and used for placing flue-cured tobacco; the temperature and humidity sensor is arranged in the box body and used for detecting temperature and humidity information of the inner space of the box body in real time; and the controller controls the on-off of the heating element according to the real-time temperature information and the temperature and humidity information.

Furthermore, the box body also comprises a standby heating surface, the standby heating surface is connected with the power supply, the standby heating surface is installed on the inner wall of the top plate surface of the box body (1) through a heating element sliding groove (11) and can slide along the heating element sliding groove (11), and the standby heating surface comprises the heating element (10) and the temperature sensor; the cigarette rod supporting frame (9) is a telescopic supporting frame.

Further, the standby heating surface is of a reel-to-reel structure.

Furthermore, the telescopic support frame is of a frame structure with an upper layer and a lower layer, and the layer distance and the number can be adjusted.

Further, the tobacco curing equipment also comprises an air circulation device, wherein the air circulation device comprises a fan and a circulation pipeline; the fan is externally hung on the rear plate surface of the box body; the air outlet and the air inlet of the box body are respectively communicated with the air suction hole and the air blowing hole of the fan through the circulating pipeline, the fan sucks high-temperature low-pressure gas through the air outlet, and the pressurized gas is blown into the box body through the air inlet.

Furthermore, the air circulation device also comprises a central confluence device, a gas collecting pipe, a gas outlet pipe and a central shunting device; the central confluence device and the central shunting device are respectively arranged on one air outlet and one air inlet of the top and bottom plate surfaces of the box body; the plurality of gas collecting pipes are communicated with the central converging device, the central converging device is communicated with an air exhaust hole of the fan through the circulating pipeline, a plurality of air outlets are arranged on the gas collecting pipes at intervals, and the air outlets face downwards and are communicated with the interior of the box body; the air outlet pipes are communicated with the central flow dividing device, the central flow dividing device is communicated with the blowing holes of the fan through the circulating pipeline, a plurality of air inlets are arranged on the air outlet pipes at intervals, and the air inlets face upwards and are communicated with the interior of the box body.

Furthermore, the tobacco curing equipment also comprises a dehumidifying device and a moisture regaining device, wherein the dehumidifying device and the moisture regaining device are respectively connected with the controller; the dehumidifying device is arranged on the rear side surface of the box body, and the circulating pipeline connected with the air outlet is connected with the fan through the dehumidifying device; the moisture regaining device is installed on the box body, and a moisture outlet of the moisture regaining device is arranged on the inner wall of the box body.

Furthermore, the tobacco curing equipment also comprises a preheating device, the preheating device is arranged on the outer side of the box body, and the outlet of the preheating device is connected with the air inlet; the preheating device is provided with a heating layer, the heating layer is a carbon material layer directly growing on the preheating device, the carbon material layer is connected with the controller, and the controller controls the on-off of the carbon material layer to preheat air entering the box body.

Furthermore, the tobacco curing equipment is centrally controlled by a master control device, and the master control device comprises a comprehensive controller, an extension controller and a communication module; the extension controllers are controllers of the tobacco curing equipment and are respectively connected with the comprehensive controller through the communication module, and the comprehensive controller controls the tobacco curing equipment to work correspondingly through the extension controllers.

Furthermore, the cigarette rod support frame is formed by combining a plurality of drawable support frames, and pulleys and pulley fixing devices are arranged at the bottoms of the drawable support frames; the heating surface is at least arranged on one side of the inner wall of the drawable support frame to replace the heating surface on the box body.

The utility model has the advantages that:

the utility model has simple structure, convenient use, low cost and high safety performance, the used carbon-based heating element transmits heat in the form of far infrared radiation, the penetration performance is high, the inside and the outside of the tobacco leaves can be uniformly heated, the baking time is greatly shortened, the tobacco leaf quality is improved, and the environment is protected without pollution; the master control device realizes the centralized control of a plurality of tobacco curing devices, and further improves the tobacco curing efficiency.

In addition, the utility model realizes the uniform heating of the tobacco-curing equipment through the multi-surface heating surface, the temperature sensor and the temperature and humidity sensor can monitor the temperature and humidity information in the heating element and the tobacco-curing equipment in real time, the temperature and humidity balance in the tobacco-curing equipment can be further accurately ensured through the air circulation device, and the rotating structure on the tobacco leaf supporting frame is favorable for the uniform drying of tobacco leaves; the stretching and pulling structure design of the tobacco leaf supporting frame can reduce the heating space according to the quantity of the tobacco leaves, thereby being beneficial to saving energy; the carbon-based heating element has high electrothermal conversion rate, can realize wide voltage power supply and has high heating speed; the standby heating surface can ensure the baking quality when the tobacco leaves are small in quantity; the dehumidifying device and the moisture regaining device can accurately control the humidity in the tobacco curing equipment according to the humidity information; the preheating device can accelerate the temperature rise in the tobacco curing equipment. When the heating of the bottom surface is switched on alone, the device can also be used for drying other crops, such as wheat and corn. The drawing mode that will add the hot side and directly combine with the tobacco rod support frame can directly settle it on the tobacco rod support frame when collecting the tobacco leaf, reduces the transport tobacco leaf link, has improved flue-cured tobacco efficiency especially.

Drawings

FIG. 1 is a schematic view of an appearance structure of a carbon-based tobacco curing apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of an internal part of a carbon-based tobacco curing apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic view of a tobacco rod supporting frame according to an embodiment of the present invention;

FIG. 4 is a schematic view of the installation positions of the temperature and humidity sensor and the humidifier in the carbon material-based tobacco curing equipment of the present invention;

FIG. 5 is a schematic view of the air circulation in a carbon-based flue-cured tobacco plant according to an embodiment of the present invention;

fig. 6 is a schematic view of a part of an air circulation device according to an embodiment of the present invention;

FIG. 7 is a first overall block diagram of a general control device of a carbon-based tobacco curing apparatus according to a fourth embodiment of the present invention;

fig. 8 is a control block diagram of a communication module according to a fourth embodiment of the present invention;

fig. 9 is a second overall block diagram of a general control device of a carbon-based tobacco curing apparatus according to a fourth embodiment of the present invention;

figure 10 is the embodiment of the utility model provides a five structural schematic diagrams of flue-cured tobacco equipment based on carbon material.

The device comprises a box body 1, a box body 2, a charging door 3, an inclined plane top 4, a spare dehumidifying window 5, an observation window 6, a pulley foot 7, an air circulating device 7.1, a fan 7.2, a circulating pipeline 7.3, a ventilating window 7.4, a central converging device 7.5, a gas collecting pipe 7.6, a gas outlet pipe 7.7, a central diverging device 8, a controller 9, a smoke rod supporting frame 9.1, a supporting rod sliding groove 9.2, a supporting rod pulley 9.3, a primary supporting rod 9.4, a secondary supporting rod 10, a heating element 11, a heating element sliding groove 12, a temperature and humidity sensor 13, a humidifier 14 and a dehumidifying device.

Detailed Description

The following description will be made in detail with reference to the accompanying drawings and examples. The following examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention.

In the present specification, terms of orientation or positional relationship such as up, down, left, right, inside, outside, front, rear, head, and tail are established based on the orientation or positional relationship shown in the drawings. The corresponding positional relationship may also vary depending on the drawings, and therefore, should not be construed as limiting the scope of protection.

The present invention relates to a portable electronic device, and more particularly, to a portable electronic device, which can be connected to a portable electronic device, and can be connected to a portable electronic device through a connection structure, such as a connector, a. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example one

This embodiment has recorded a flue-cured tobacco equipment based on carbon material, this flue-cured tobacco equipment integrated into one piece, builds simply, and it is convenient to use.

This tobacco curing equipment is rectangular box structure, as shown in fig. 1, box 1 is the metal frame construction, forms by the plate form equipment, and box 1 comprises 6 face such as preceding, back, left and right, top, end in this embodiment, and every face is relatively independent, sprays thermal-insulated lacquer on the face inner and outer wall, and the middle adoption is but not limited to light-duty various steel polyurethane (polyphenyl ester) full-foaming cold-storage plate or other combined material as the heat preservation, and heat preservation thickness is about 10 cm.

A charging door 2 is arranged on the front plate surface of the box body 1 and is used for the tobacco leaves to enter and exit the box body 1. Be equipped with the heating face and the tobacco rod support frame 9 of one side or multiaspect in box 1, generate heat through the heating face and dry the tobacco leaf, tobacco rod support frame 9 is used for placing flue-cured tobacco, supporting box 1.

The heating surfaces are arranged on the left and right plate surfaces, the rear plate surface and the bottom plate surface of the box body 1, or arranged on one or more surfaces thereof according to requirements. The multi-surface heating mode is beneficial to the uniform temperature in the tobacco curing equipment.

The heating surface comprises a heat insulation layer, a reflection layer, a heating element 10 and a heat dissipation protection layer from outside to inside in sequence, and the heat dissipation protection layer is arranged on one side of the heating element 10 close to the inside of the box body 1 and protects the heating element 10.

The heating element 10 is a carbon-based heating element made of a novel carbon material, and the novel carbon material may be formed by any one of microcrystalline graphite, graphene, carbon nanotubes, carbon fibers, conductive carbon black, and glassy carbon, which may refer to chinese patent 201910272749.4 and chinese patent 201910271815.6. This novel carbon material generates heat after the circular telegram to through far infrared radiation's form transmission heat, it is even soft not luminous and the heat that produces, the light wave band of far infrared radiation is unanimous with the extinction wave band of water molecule in the tobacco leaf, is favorable to the discharge of moisture in the tobacco leaf and does not destroy tobacco leaf organic matter molecular structure, can furthest remain the active ingredient of tobacco leaf, and then improves flue-cured tobacco quality. The novel carbon material heating element has the characteristics of high thermoelectric conversion efficiency, rapid temperature rise, realization of electric-thermal conversion (application voltage range of 36-380V) under low voltage, energy conservation (25% compared with a coal heat source), time conservation (the penetrability of far infrared light can effectively shorten the tendon drying time, and the average saving time of 8-10h for each flue-cured house of tobacco is compared with the coal heat source), and the like. The heating elements 10 on the heating surfaces are respectively connected with a power supply through a controller 8 outside the box body 1, and the controller 8 controls the on-off of the heating elements 10.

The heat insulation layer can be selected from a series of high temperature resistant, fireproof and incombustible mineral fiber materials such as heat insulation aluminum foil or tin foil, aluminum silicate fiber cotton, slag fiber cotton, cotton wadding, glass fiber cotton, sea foam fiber cotton and the like, or a series of incombustible and fireproof inorganic mineral materials such as vermiculite, expanded perlite, calcium silicate heat insulation light material and the like; the reflecting layer is used for reflecting heat towards the interior of the box body 1 and can be made of a series of reflecting materials such as aluminum foil, silver paste reflecting coating, aluminum silver paste reflecting coating or ceramic fiber; the heat dissipation protective layer is used to protect the heating element 10, and may be made of a material with a high thermal conductivity coefficient, such as high-temperature-resistant black heat-conductive rubber, black heat-conductive cloth, or a black heat-conductive coating.

In addition, in the scientific tobacco leaf drying process, tobacco flakes are required to be hung fully, and no gap is left. The inner wall of the top plate surface of the box body 1 is also provided with a standby heating surface which can be vertically unfolded downwards, the structure of the standby heating surface is the same as that of the heating surface, and the standby heating surface also comprises a heating element 10, a heat insulation layer, a reflection layer and a heat dissipation protective layer, wherein the heat dissipation protective layer is arranged in the direction of the heating element 10 towards the tobacco leaf supporting frame 9. The standby heating surface is of a scroll type structure and is installed on the inner wall of the top plate surface in a sliding mode through a heating element sliding groove 11. When the quantity of tobacco leaves is not enough to fill the whole tobacco curing equipment, the standby heating surface moves to a required position according to the actual working condition, and the heating space is reduced. The standby heating surface is matched with other heating surfaces or is independently heated, so that the tobacco quality is ensured, the loss can be reduced, and the tobacco quality is ensured.

Each heating surface and the standby heating surface can be heated respectively, and the temperature of each heating surface can also be set to different heating temperatures according to the tobacco loading positions of different tobacco leaves. If the temperature of the heating surface at the lower part is properly set to be a relatively high value, the problems of low bottom temperature and high relative humidity of the airflow ascending type bulk curing barn can be solved, and the temperature balance in the tobacco curing equipment is fully ensured.

A temperature sensor can be arranged between the heating element 10 and the heat dissipation protective layer, and the temperature sensor is connected with the controller 8, monitors the real-time temperature of each heating surface in real time, and transmits the real-time temperature information to the controller 8. In addition, the heating element 10 is connected with the controller 8, and in the embodiment, the heating element 10 is supplied with power by adopting but not limited to a silicon controlled contactless intermittent power supply mode. Meanwhile, a plurality of temperature and humidity sensors 12 (see fig. 4) are also arranged in the tobacco curing equipment. An air outlet and an air inlet are also arranged on the box body 1 so as to realize air circulation in the box body 1.

The humiture sensors 12 are respectively arranged at four top corners and four bottom corners in the box body 1 and at the center positions of the gravity center, the top surface and the bottom surface of the rectangular box body, the number of the humiture sensors 12 is totally 11, and in other embodiments, the number and the positions of the humiture sensors 12 are not limited to the arrangement of the embodiment and can be adjusted according to specific conditions. Temperature and humidity sensors 12 transmit the temperature and humidity of all places in the tobacco curing equipment to the controller 8, and the controller 8 controls the heating elements 10 of the corresponding heating surfaces to work according to the temperature and humidity information and the real-time temperature information transmitted by the temperature sensors.

The tobacco rod supporting frame 9 adopts but is not limited to a steel pipe supporting structure. As shown in fig. 2 and 3, the tobacco rod supporting frame 9 is divided into a plurality of layers from top to bottom, the tobacco rod supporting frame 9 of the present embodiment is a telescopic supporting frame, and the distance between the layers and the number of layers are adjustable.

The telescopic support frame comprises a support rod sliding groove 9.1, a support rod pulley 9.2, a first-level support rod 9.3 and a second-level support rod 9.4, and one or more groups of support rod sliding grooves 9.1 are symmetrically arranged on the inner walls of the upper and lower plate surfaces of the box body 1. The first-level supporting rod 9.3 and the second-level supporting rod 9.4 are of a multi-layer frame structure, and the number of layers and the layer spacing are adjustable. The frame structure is composed of vertical rods and transverse rods vertically, supporting rod pulleys 9.2 are arranged at the upper end and the lower end of the vertical rods of the primary supporting rod 9.3 and the secondary supporting rod 9.4 respectively, the supporting rod pulleys 9.2 are installed in the supporting rod sliding grooves 9.1, and the primary supporting rod 9.3 and/or the secondary supporting rod 9.4 can be flexibly pushed and pulled along the supporting rod sliding grooves 9.1 through the supporting rod pulleys 9.2. The horizontal pole of one-level bracing piece 9.3 and second grade bracing piece 9.4 can be followed the montant respectively and adjusted the position from top to bottom, and the horizontal pole size of one-level bracing piece 9.3 is greater than the horizontal pole size of second grade bracing piece 9.4, and horizontal pole one end slidable mounting of second grade bracing piece 9.4 is in the horizontal pole of one-level bracing piece 9.3, through push-and-pull motion, can realize the relative one-level bracing piece 9.3's of second grade bracing piece 9.4 flexible, and then can change the size of cigarette. In addition, a fixing device is arranged on the supporting rod pulley 9.2, and the positions of the primary supporting rod 9.3 and the secondary supporting rod 9.4 can be fixed at any time.

In addition, in order to realize the sufficient and rapid heating and drying of tobacco leaves, the cross rods of each layer of the tobacco rod supporting frame 9 can be also respectively installed on the fixed vertical rods through independent rotating structures, and the automatic rotation of each layer can be realized.

Still be equipped with air circulation device 7 on box 1, air circulation device 7 links to each other with air intake and air outlet on the box 1 for strengthen the air cycle in the box 1, further ensure the humiture in the box 1 even. This tobacco-curing equipment except that far infrared radiation heating flue-cured tobacco, still can open air cycle device 7 as required.

As shown in fig. 5 and 6, the air circulation device 7 includes a blower 7.1, a circulation pipeline 7.2, a ventilation window 7.3, a central confluence device 7.4, a gas collecting pipe 7.5, a gas outlet pipe 7.6 and a central split device 7.7.

The fan 7.1 is hung on the back plate surface of the box body 1, the central converging device 7.4 and the central shunting device 7.7 are respectively arranged on an air outlet and an air inlet at the centers of the top plate surface and the bottom plate surface of the box body 1, and the central converging device 7.4 and the central shunting device 7.7 are respectively communicated with an air suction hole and an air blowing hole of the fan 7.1 through a circulating pipeline 7.2. The ventilation window 7.3 is mounted on the circulation line 7.2 on the ceiling surface of the housing 1 for feeding air into the circulation line 7.2. The central confluence device 7.4 is provided with gas collecting pipes 7.5 respectively extending from the central point of the top plate surface to four corners, in the embodiment, each gas collecting pipe 7.5 is provided with an air outlet with the diameter of 30mm every 300mm, the air outlet faces downwards and is communicated with the interior of the box body 1, and the fan 7.1 sucks high-temperature low-pressure gas through the air outlet. The central flow dividing device 7.7 is provided with air outlet pipes 7.6 extending from the central point of the bottom plate surface to four corners, in the embodiment, air inlets with the diameter of 30mm are designed at intervals of 300mm for each air outlet pipe 7.6, the air inlets face upwards and are communicated with the inside of the box body 1, and pressurized gas is blown into the box body 1 through the air inlets under the driving of the fan 7.1, so that the heat circulation in the tobacco curing equipment is realized. The distance and diameter of the air outlet and the air inlet are not limited to the values in the embodiment, and can be determined according to specific situations. In addition, in order to prevent impurities from entering the tobacco curing equipment from the air inlets, filter screens can be arranged on the air inlets.

In addition, the top plate surface of the box body 1 can be set to be a slope top 3 with a certain inclination, thereby leading the indoor hot air to be circulated more effectively.

A standby moisture discharging window 4 can be arranged at a preset position above the rear plate surface of the box body 1 and used for auxiliary moisture discharging of tobacco leaves, and the standby moisture discharging window can be connected with a controller 8 to realize automatic opening and closing. In addition, one or more spare dehumidifying windows 4 may be provided at predetermined positions above the left and right plate surfaces of the cabinet 1.

A plurality of observation windows 5 are uniformly distributed on the left plate surface and the right plate surface of the box body 1 respectively and used for observing the state of the tobacco leaves. In this embodiment, the observation window 5 is set to be a vertical strip type so that the whole tobacco leaves can be visually observed. During the curing, representative tobacco leaves are hung in the visible area of the observation window 5 for observing the change of the tobacco leaves so as to adjust the curing parameters in time. In addition, an observation window 5 may be provided on the rear plate surface of the case 1.

A plurality of pulley feet 6 can be uniformly distributed below the bottom plate surface of the box body 1 so as to conveniently adjust the height and the position of the box body 1. The pulley feet 6 comprise height-adjustable feet and fixable pulleys, the feet are used for adjusting the height of the bottom surface of the equipment from the ground, and the pulleys are used for conveniently moving the curing barn. In the embodiment, 6 or 8 or more feet and pulleys are symmetrically arranged at the bottom of the box body 1 respectively,

the controller 8 in this embodiment may be an intelligent automatic control device, which is installed on the side of the box body 1, or on a suitable position. Various different curing process curves can be preset in advance in the controller 8 to be selected according to the conditions of different tobacco leaves. In addition, the controller 8 can also be provided with an online adjusting function for setting relevant parameters, observing the parameter state and automatically controlling the whole tobacco curing process.

In addition, the controller 8 is respectively connected with the fan 7.1, the heating element 10, the temperature and humidity sensor 12 and the temperature sensor, is connected with a power supply, supplies power to all parts, can accurately control the temperature and humidity in the tobacco curing equipment, and can automatically control the circulation of the fan 7.1 according to a certain circulation period. The method specifically comprises the following steps: the controller 8 controls the heating element 10 to heat and bake the tobacco leaves, switches the heating element 10 according to temperature and humidity data and real-time temperature detected by the temperature and humidity sensor 12 and the temperature sensor and preset temperature and humidity information, and controls the action of the fan 7.1 according to the temperature and humidity data and a preset cycle. In addition, the controller 8 can also be connected with the standby dehumidifying window 4, the pulley footing 6, the ventilating window 7.3 and the tobacco leaf supporting frame 9, the controller 8 controls the opening and closing of the standby dehumidifying window 4 and the ventilating window 7.3, the pulley footing 6 is controlled to adjust the height and the position of tobacco leaf equipment, and the space adjustment of the tobacco leaf supporting frame 9 and the timely rotation of the rotating structure are controlled.

The intelligent automatic control through the controller 8 is beneficial to improving the baking efficiency, realizing scientific baking, reducing the labor cost and simultaneously reducing the loss caused by human factors.

Example two

The present embodiment is another implementation manner of the present invention, as shown in fig. 4 and fig. 5, the difference from the first embodiment is that: this embodiment has increased dehydrating unit 14 and moisture regain device, and dehydrating unit 14 and moisture regain device link to each other with controller 8 respectively, and the action of dehumidification and the moisture regain processing of moisture regain device through controller 8 control dehydrating unit 14 further ensures that the humidity in the flue-cured tobacco equipment maintains in the predetermined range.

During the tobacco leaf baking process, attention should be paid to ventilation and moisture removal, so that the formation and accumulation of toxic substance nitrosamine compounds (TSNA) during the curing process can be effectively controlled, and the tobacco leaf safety can be improved. In addition, the moisture content of the tobacco leaves after being dried is very low, generally only about 5-8%, and the tobacco leaves are extremely easy to break, so that the yield and the quality of the tobacco leaves are reduced. Therefore, the tobacco leaves must be subjected to moisture regain treatment to slightly soften the tobacco leaves, and then the operations of discharging, rod releasing, stacking and the like are carried out, so that the quality and the yield of the tobacco leaves are not lost.

The dehumidifier 14 is mounted on the rear side of the box 1 together with the fan 7.1, the gas collecting pipe 7.5 connected with the central confluence device 7.4 is connected with the fan 7.1 through the dehumidifier 14, and the dehumidifier 1 controls the dehumidification action through the controller 8. When the humid gas in the tobacco curing equipment is exhausted, the fan 7.1 selectively sucks air in the environment, the air is mixed with the humid gas and then enters the dehumidifying equipment, and the mixed gas is dehumidified and dried and then enters the tobacco curing equipment from an air inlet at the bottom of the tobacco curing equipment through pressurization of the fan 7.1.

In addition, in order to solve the problem that the effective components in the tobacco leaves are discharged along with the heat while discharging the moisture, the dehumidification device 14 of the embodiment can select a refrigerator as a cold source, and use a direct evaporative cooler as a cooling device to cool the air to below the dew point temperature, separate out the moisture greater than the saturated moisture content, reduce the absolute moisture content of the air, and then use part or all of the condensation heat to heat the cooled air, thereby reducing the relative humidity of the air and achieving the dehumidification purpose.

The moisture regaining device of this embodiment can be the humidifier 13 that sets up in box 1, and the humidity data that humidifier 13 detected through temperature and humidity sensor 12 is controlled by controller 8, carries out the moisture regaining to the tobacco leaf to guarantee the quality of tobacco leaf.

Preferably, the moisture outlet of the moisture regaining device may be provided on the inner wall of each panel of the case 1. After the moisture regain mode is opened, a plurality of moisture export are simultaneously to the box 1 internal exhaust to guarantee that the moisture regain is even. The rotating structure on the tobacco rod supporting frame 9 also helps to quickly realize the moisture regaining process.

In addition, the moisture regaining device can also adopt an external independent moisture regaining machine so as to simplify the structure in the tobacco curing equipment.

EXAMPLE III

The embodiment is another implementation manner of the present invention, and the difference from the first and second embodiments is as follows: this embodiment has increased preheating device, preheats the gas that will get into in the tobacco-curing equipment.

The preheating device can be a heating pipeline arranged in front of the air inlet, the heating pipeline can be arranged at a proper position according to the use working condition, for example, the heating pipeline can be arranged between the circulating pipeline 7.2 and the central flow dividing device 7.7, multiple sections of heating pipelines can be respectively arranged between the air outlet pipe 7.6 and the air inlet, and the heating pipeline can also be used for replacing part of the circulating pipeline 7.2 or the air outlet pipe 7.6.

The heating pipeline has certain high temperature resistance and flame retardance, can be made of glass, resin plastic, PC (polycarbonate) and the like, and can also be formed into a pipeline consisting of a plurality of bent pipelines so as to increase the heating of gas.

The moist air is suitably preheated in the heating conduit after being dried by the dehumidifier 14 and before being compressed by the fan 7.1 into the inlet at the bottom of the cabinet 1. Because the flue-cured tobacco operation is generally in summer, the ambient temperature is higher, and the temperature of flue-cured tobacco is not higher than 55 ℃, therefore usable ambient temperature preheats gas to the energy saving.

The heating pipeline can also be a carbon-based heating pipe made of carbon materials, wherein the inner wall and the outer wall of the heating pipeline are both provided with heating layers, and a heat insulation protective layer is arranged outside the heating layers on the outer wall. The heating layer is a carbon material layer directly growing on the inner wall and the outer wall of the heating pipeline, and the carbon material layer can be formed by any one of microcrystalline graphite, graphene and carbon nano tubes.

Example four

The present embodiment is another implementation manner of the present invention, as shown in fig. 7, the differences from the first, second and third embodiments are as follows: this embodiment has still increased total controlling means, carries out centralized control to a plurality of flue-cured tobacco equipment, further liberates the manpower, carries out the segmentation accuse temperature to flue-cured tobacco equipment.

The master control device comprises a comprehensive controller, an extension controller and a communication module. The plurality of extension controllers are respectively connected with the integrated controller through the communication module in a signal mode, and the integrated controller controls the corresponding tobacco curing equipment through the branch controller. The master control device is mainly characterized in that segmented temperature control is realized through a comprehensive controller.

Wherein, the extension controller is the controller 8 of each tobacco curing equipment. The branch controllers are respectively connected with the fans 7.1 and the heating elements 10 of the tobacco curing equipment, the comprehensive controller controls the corresponding fans 7.1 through the branch controller to realize humidity control, and controls the corresponding heating elements 10 to be switched on and off to realize temperature control.

The integrated controller can be a PC or a main control computer and the like, and can be connected with an alarm device for alarming in abnormal conditions. The alarm device can adopt the forms of voice alarm and light alarm lamp.

The communication module can adopt a 485 communication module, and as shown in fig. 8, the communication module comprises a control chip, a 485 communication interface, a heating control circuit, a fan control circuit, a voltage-stabilized power supply circuit, a temperature and humidity sensor 12, a key input circuit, an LCD display, a reset circuit and a voice alarm. The control chip is respectively connected with the 485 communication interface, the heating control circuit, the fan control circuit, the voltage-stabilized power supply circuit, the temperature and humidity sensor 12, the key input circuit, the LCD, the reset circuit and the voice alarm.

The 485 communication interface of the control chip is connected with the integrated controller through a 485 bus; the control chip is respectively connected with the heating elements 10 of the tobacco curing equipment through the heating control circuit to control the on-off of the heating elements 10; the control chip is connected with the fans 7.1 of the tobacco curing devices through a fan control circuit to control the action of the fans 7.1; the power supply is connected with the control chip through a voltage-stabilized power supply circuit and supplies power to each circuit and each electrical component through the control chip; temperature and humidity sensors 12 in each tobacco curing device respectively input temperature and humidity information detected by the temperature and humidity sensors to a control chip; an operator inputs parameter information to be set to the control chip through the key input circuit; the control chip can display various parameter information, working condition information and the like through the LCD; the control chip alarms under abnormal conditions through the alarm; when the abnormal condition is relieved, the reset circuit relieves the alarm through the control chip and recovers the normal work of each tobacco curing device.

As shown in fig. 7, the scheme is further explained by taking the control of 35 tobacco curing devices as an example, segmented temperature control of 1 to 35 tobacco curing devices is realized through 1 to 35 extension controllers, and the 485 communication module is communicated with a PC integrated controller through a 485 bus, so that the function of controlling 35 tobacco curing devices by one person is realized. The PC integrated controller is provided with a segmented temperature rise and preservation function, real-time temperature and humidity data in corresponding tobacco curing equipment are obtained through the temperature and humidity sensor 12 by the extension controller, the heating control circuit controls the on-off of the heating element 10 to achieve temperature rise and preservation in the tobacco curing equipment, the fan control circuit controls the action of the fan 7.1 to enable the humidity in the tobacco curing equipment to be kept stable, and when the real-time temperature and humidity data are abnormal, the alarm device sends an alarm signal to remind an operator.

In addition, as shown in fig. 9, a temperature controller and a humidity controller can be added to each extension controller to replace the form that a temperature and humidity sensor on the communication module is directly connected with the communication module, so as to realize the functions of segmented temperature control and humidity control of each tobacco curing device. Wherein, the temperature controller is respectively connected with the temperature sensor and the temperature and humidity sensor 12, and the humidity controller is respectively connected with the dehumidifying device 14 and the moisture regaining device.

Temperature, humidity information through temperature sensor and temperature and humidity sensor 12 in the temperature controller gathers each flue-cured tobacco equipment, and extension controller feeds back received temperature, humidity information to comprehensive controller, and fan 7.1, heating element 10 and dehydrating unit 14 and the operating condition of damping device in each flue-cured tobacco equipment of more accurate control: if the humidity is too high, starting the fan 7.1 and the dehumidifying device 14 to discharge the humidity, and if the humidity is too low, starting the humidifying device to humidify; when the temperature is too low or too high, the heating element 10 is switched on and off to heat up and preserve the temperature, so that the temperature and the humidity in the tobacco curing equipment can be better controlled, and the quality of tobacco leaves can be ensured. When the temperature and the humidity are abnormal, the alarm device is started to give an alarm to remind an operator.

EXAMPLE five

This embodiment is another embodiment of the present invention, as shown in fig. 10, and is different from the four embodiments in that: the embodiment adopts a heating mode that a heating surface is directly arranged on the tobacco leaf supporting frame 9.

Specifically, the tobacco leaf support frame 9 is formed by combining a plurality of drawable support frames; the heating surfaces used in the embodiment are respectively arranged on one surface or a plurality of surfaces of the drawable support frame, and can selectively or completely replace the heating surfaces on the box body 1, thereby further reducing the heating space, saving the energy consumption and fully ensuring the tobacco leaves to be uniformly heated.

The drawable support frame is convenient for operators to operate, and can be used for hanging cigarettes independently or in a mode of hanging cigarettes in pairs or groups. The drawable support frame is respectively provided with a plurality of tobacco leaf hanging rods up and down, and the tobacco leaf hanging rods can also be provided with a rotating structure for realizing the independent rotation of each layer of tobacco leaves.

The bottom of the drawable support frame is provided with a pulley and a pulley fixing device, which are convenient to move and fix. An operator does not need to enter tobacco hanging equipment to hang tobacco, can directly hang the drawable support frame full when tying up the tobacco, and directly pushes the tobacco flue-curing equipment into, so that the tobacco flue-curing efficiency is improved.

While the principles of the invention have been described in detail in connection with the preferred embodiments thereof, it will be understood by those skilled in the art that the above-described embodiments are merely illustrative of exemplary implementations of the invention and are not limiting of the scope of the invention. The details in the embodiments do not constitute the limitations of the scope of the present invention, and any obvious changes such as equivalent transformation, simple replacement, etc. based on the technical solution of the present invention all fall within the protection scope of the present invention without departing from the spirit and scope of the present invention.

Claims (10)

1. A tobacco curing device based on carbon materials is characterized by comprising a box body (1), a heating surface, a controller (8), a tobacco rod support frame (9) and a temperature and humidity sensor (12);

at least one heating surface is arranged on the left, right, back and inner wall of the bottom plate surface of the box body (1); the heating surface comprises a heating element (10) and a temperature sensor; the heating element (10) is a carbon-based heating element, the heating element (10) is connected with a power supply through the controller (8), and the heating element (10) radiates heat in a far infrared mode after being electrified; the temperature sensor is arranged on the heating element (10) and used for detecting the real-time temperature of the heating surface; the box body (1) is at least provided with a group of air outlet and air inlet which are respectively communicated with the interior of the box body (1);

the tobacco rod supporting frame (9) is arranged in the box body (1) and is used for placing flue-cured tobacco; the temperature and humidity sensor (12) is arranged in the box body (1) and is used for detecting temperature and humidity information of the inner space of the box body (1) in real time; and the controller (8) controls the heating element (10) to be powered on or powered off according to the real-time temperature information and the temperature and humidity information.

2. The carbon-based tobacco curing equipment according to claim 1, characterized in that the box body (1) further comprises a standby heating surface, the standby heating surface is connected with the power supply, the standby heating surface is installed on the inner wall of the top plate surface of the box body (1) through a heating element sliding groove (11) and can slide along the heating element sliding groove (11), and the standby heating surface comprises the heating element (10) and the temperature sensor; the cigarette rod supporting frame (9) is a telescopic supporting frame.

3. The carbon-based tobacco curing apparatus of claim 2 wherein the backup heating surface is a reel-to-reel configuration.

4. The carbon-based tobacco curing apparatus of claim 2, wherein said telescoping support frame is a frame structure having an upper and lower plurality of layers, the number and spacing of the layers being adjustable.

5. Carbon-based flue-cured tobacco plant according to claim 1, characterized in that it further comprises an air circulation device (7), said air circulation device (7) comprising a fan (7.1) and a circulation line (7.2); the fan (7.1) is externally hung on the rear plate surface of the box body (1); the air outlet and the air inlet of the box body (1) are respectively communicated with an air draft hole and an air blowing hole of the fan (7.1) through the circulating pipeline (7.2), the fan (7.1) sucks high-temperature low-pressure gas through the air outlet, and the pressurized gas is blown into the box body (1) through the air inlet.

6. Carbon-material-based flue-cured tobacco plant according to claim 5, characterized in that said air circulation means (7) further comprise central confluence means (7.4), gas collection pipes (7.5), gas outlet pipes (7.6) and central diversion means (7.7); the central confluence device (7.4) and the central shunting device (7.7) are respectively arranged on one air outlet and one air inlet of the top and bottom plate surfaces of the box body (1); the plurality of gas collecting pipes (7.5) are communicated with the central converging device (7.4), the central converging device (7.4) is communicated with an air draft hole of the fan (7.1) through the circulating pipeline (7.2), the gas collecting pipes (7.5) are provided with a plurality of air outlets at intervals, and the air outlets face downwards and are communicated with the interior of the box body (1); many outlet duct (7.6) with central diverging device (7.7) are linked together, central diverging device (7.7) pass through circulation pipeline (7.2) with the hole of blowing of fan (7.1) is linked together, the interval is equipped with a plurality ofly on outlet duct (7.6) the air intake, the air intake up, with box (1) inside communicates with each other.

7. The carbon-based flue-cured tobacco plant according to claim 5, characterized in that it further comprises a dehumidification device (14) and a moisture regain device, said dehumidification device (14) and said moisture regain device being respectively connected to said controller (8); the dehumidifying device (14) is arranged on the rear side surface of the box body (1), and the circulating pipeline (7.2) connected with the air outlet is connected with the fan (7.1) through the dehumidifying device (14); the moisture regaining device is installed on the box body (1), and a moisture outlet of the moisture regaining device is arranged on the inner wall of the box body (1).

8. The carbon-based flue-cured tobacco equipment according to claim 1, characterized in that the flue-cured tobacco equipment further comprises a preheating device, the preheating device is arranged outside the box body (1), and an outlet of the preheating device is connected with the air inlet; the preheating device is provided with a heating layer, the heating layer is a carbon material layer directly growing on the preheating device, the carbon material layer is connected with the controller (8), and the controller (8) controls the on-off of the carbon material layer to preheat air entering the box body (1).

9. The carbon-based tobacco curing equipment according to claim 1, wherein a plurality of tobacco curing equipment are controlled in a centralized manner by a master control device, and the master control device comprises a comprehensive controller, an extension controller and a communication module; a plurality of extension controller is each tobacco-curing equipment controller (8), and is a plurality of extension controller passes through respectively communication module with comprehensive controller signal links to each other, by comprehensive controller passes through extension controller control is corresponding tobacco-curing equipment works.

10. The carbon-based tobacco curing apparatus according to claim 1, wherein the tobacco rod support frame (9) is composed of a plurality of drawable support frames, the bottom of which is provided with pulleys and pulley fixing devices; the heating surface is at least arranged on one side of the inner wall of the drawable support frame to replace the heating surface on the box body (1).

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