CN216961452U

CN216961452U - Tobacco curing barn system

Info

Publication number: CN216961452U
Application number: CN202123399014.XU
Authority: CN
Inventors: 吴江丽; 唐宏平; 易彪; 何阳; 肖春生; 张敏; 孙敬钊; 王纬华; 廖胜利; 夏振
Original assignee: Hunan Tianye Modern Intelligent Equipment Co ltd
Current assignee: Hunan Tianye Modern Intelligent Equipment Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-15
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a tobacco leaf flue-curing barn system which comprises a flue-curing barn and a combustion furnace for supplying heat to the flue-curing barn, wherein the flue-curing barn comprises a tobacco curing chamber and a heat exchange chamber, a temperature sensor is arranged in the tobacco curing chamber, a circulating fan for adjusting power according to temperature information of the temperature sensor is arranged in the heat exchange chamber, the circulating fan is arranged at the middle upper part of the heat exchange chamber, and the lower part of the inner wall of the heat exchange chamber is provided with a hot air inlet which is communicated with the tobacco curing chamber and is used for allowing hot air in the heat exchange chamber to enter the tobacco curing chamber. The power of the circulating fan of the tobacco leaf curing barn system can be adjusted according to the temperature information sensed by the temperature sensor, so that the power of the circulating fan can be adjusted according to the indoor temperature of the cured tobacco to change the air intake of the hot air inlet, and the aim of accurately adjusting and controlling the indoor temperature of the cured tobacco is fulfilled.

Description

Tobacco curing barn system

Technical Field

The utility model belongs to the technical field of flue-cured tobacco, and particularly relates to a curing barn system.

Background

Tobacco leaves are generally required to be baked after being mature so as to prolong the storage time of the tobacco leaves and avoid the corruption of the tobacco leaves, and particularly in large-scale dense planting areas, the baking of the tobacco leaves is greatly required. At present, tobacco leaves are baked in various domestic tobacco areas by mainly adopting a curing barn, and the heat of a combustion hot blast stove is transferred to the curing barn to bake the tobacco leaves by utilizing the heat supplied by the combustion hot blast stove.

Most of the existing combustion hot blast stoves use coal for heat supply, but the coal is a non-renewable energy source, and a large amount of pollution gas is generated by the combustion of the coal. The biomass fuel is a novel clean fuel which is formed (such as block and particle) and can be directly combusted by taking agricultural and forestry wastes as raw materials and carrying out processes such as crushing, mixing, extruding, drying and the like. The biomass fuel is used as a heat supply heat source of the combustion hot blast stove, and the biomass fuel has very high practical significance compared with the heat supply heat source of a curing barn using coal combustion. But current biomass combustion furnace directly is connected with the roast room, sends into the roast room with the heat that biomass combustion furnace produced, does not consider the roast room to thermal actual demand, does not consider the heat transfer volume of biomass furnace and the roast room to the matching relation between the heat demand, the condition of overheated or heat supply insufficiency probably appears, is unfavorable for the tobacco leaf to accurate accuse temperature toasts.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the defects and shortcomings in the background art, and provide a tobacco leaf curing barn system capable of accurately controlling the temperature of the curing barn. In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

a tobacco leaf flue-curing barn system comprises a flue-curing barn and a combustion furnace for providing heat for the flue-curing barn, wherein the flue-curing barn comprises a tobacco curing chamber and a heat exchange chamber, a temperature sensor is arranged in the tobacco curing chamber, a circulating fan for adjusting power according to temperature information of the temperature sensor is arranged in the heat exchange chamber, the circulating fan is arranged at the middle upper part of the heat exchange chamber, and a hot air inlet which is communicated with the tobacco curing chamber and is used for allowing hot air in the heat exchange chamber to enter the tobacco curing chamber is arranged at the lower part of the inner wall of the heat exchange chamber; the combustion furnace comprises a feeding assembly, a combustion assembly and a heat dissipation assembly, the feeding assembly is communicated with the combustion assembly, the combustion assembly is communicated with the heat dissipation assembly, and the combustion assembly and the heat dissipation assembly are located in the heat exchange chamber and below the circulating fan.

According to the utility model, the combustion of the combustion furnace generates heat, the generated heat is radiated out through the combustion assembly and the heat radiation assembly of the combustion furnace so as to improve the temperature in the heat exchange chamber, and hot air in the heat exchange chamber is blown downwards through the circulating fan and then enters the tobacco curing chamber through the hot air inlet. Because the indoor temperature-sensing ware that is equipped with of flue-cured tobacco, and circulating fan's power can be adjusted according to the temperature information of temperature-sensing ware perception, can adjust circulating fan's power size so that change the intake of hot-blast entry according to the indoor temperature of flue-cured tobacco to reach the mesh of accurate regulation and control flue-cured tobacco indoor temperature. For example, when the indoor temperature of flue-cured tobacco is crossed to the indoor temperature-sensing ware perception of flue-cured tobacco, temperature-sensing ware transmits temperature information to the controller, and the controller can improve the indoor temperature of flue-cured tobacco through the air supply volume of adjustment circulating fan's power in order to increase hot-blast entry. On the contrary, the air supply quantity of the hot air inlet can be reduced so as to reduce the indoor temperature of the flue-cured tobacco. In the utility model, the controller can be arranged to work together with the temperature sensor, and the temperature sensor with integrated control function can also be adopted. More preferably, a controller is adopted, and the air inlet machine, the air outlet machine, the circulating fan and the spiral conveying mechanism are controlled by the controller.

In the above-mentioned tobacco flue-curing barn system, it is preferred, be equipped with the air inlet machine on the feeding subassembly, be equipped with exhaust pipe and air-out machine in the export of radiator unit, the exhaust pipe accesss to outside the heat transfer chamber, the air inlet machine interlocks each other with the control information who goes out the air machine, and with circulating fan's control signal interlocks each other.

In the tobacco flue-curing barn system, preferably, the feeding assembly comprises a feeding hopper, a spiral conveying mechanism and a feeding pipe, the feeding hopper is connected with the feeding pipe through the spiral conveying mechanism, and the feeding pipe is communicated with the combustion assembly; and the control signal of the operation of the spiral conveying mechanism is interlocked with the control signals of the air inlet machine, the air outlet machine and the circulating fan.

According to the utility model, the combustion process of the combustion assembly can be controlled by controlling the air inlet size of the air inlet machine, the heat dissipation time of hot air can be controlled by controlling the air outlet size of the air outlet machine, different heat dissipation capacity requirements can be met by the interlocking control of the air inlet machine and the air outlet machine, and the control of heat dissipation efficiency is facilitated. More preferably, the air inlet machine, the air outlet machine and the spiral conveying mechanisms of the feeding assembly are mutually interlocked, the biomass fuel quantity entering the combustion assembly is controlled through the spiral conveying mechanisms, the air inlet amount is controlled through the air inlet machine, the hot air discharge speed is controlled through the air outlet machine, and the heat dissipation capacity of the whole system can be controlled. For example, when a large heat demand is needed, the feeding amount of the spiral conveying mechanism is increased, the air inlet amount of the air inlet machine is increased, the air exhaust rate of the air outlet machine is reduced, the combustion assembly generates more heat, the hot air exhaust rate is reduced, and the heat dissipation assembly volatilizes more heat.

The utility model utilizes the mutual cooperation of the air inlet machine, the air outlet machine and the spiral conveying mechanism to realize the control of the heat dissipating capacity, and then the air inlet machine, the air outlet machine and the spiral conveying mechanism are mutually matched with the circulating fan and the temperature sensor, so that the accurate control of the indoor temperature of the flue-cured tobacco can be realized. The types and the models of the air inlet machine, the air outlet machine, the spiral conveying mechanism and the circulating fan are all unlimited, and the four can be controlled in a unified way through a controller.

In the tobacco flue-curing barn system, the controller is preferably further configured to acquire temperature information of the temperature sensor and control the operation of the circulating fan, the air inlet machine, the air outlet machine and the spiral conveying mechanism according to the temperature information, and the controller is connected (in signal connection) with the temperature sensor, the circulating fan, the air inlet machine, the air outlet machine and the spiral conveying mechanism. Through setting up the controller, can be integrated in an organic whole with entire system's control function, be favorable to carrying out systematic regulation and control, the regulation and control precision is higher, and temperature control effect is better. The specific type and model of the controller are not limited, and conventional equipment in the prior art is adopted.

In the above-mentioned tobacco flue-curing barn system, preferably, be equipped with on the flue-curing chamber and be used for the indoor wet cold wind exhaust cold wind export of flue-curing, the cold wind export with hot-blast entry is located same one side, just the cold wind export is located the well upper portion of flue-curing chamber. The cold air outlet is used for discharging wet cold air in the tobacco curing chamber to be matched with the hot air inlet, and the cold air outlet and the hot air inlet are distributed one above the other, so that the air flow in the tobacco curing chamber can present an internal circulation process, and the tobacco curing is facilitated.

In the tobacco flue-curing barn system, preferably, a plurality of temperature sensors are arranged in the tobacco flue-curing chamber and are uniformly distributed at each position in the tobacco flue-curing chamber. In order to guarantee the indoor temperature control's of flue-cured tobacco precision, can set up a plurality of temperature-sensing wares in the indoor different positions of flue-cured tobacco, synthesize the indoor temperature of flue-cured tobacco is adjusted to a plurality of temperature-sensing wares's temperature information, prevent the indoor local overheat of flue-cured tobacco or subcooling, more be favorable to the accurate control of flue-cured tobacco indoor temperature.

In the above tobacco flue-curing barn system, preferably, at least one air circulating pump for accelerating the air flow in the flue-cured tobacco chamber is further arranged in the flue-cured tobacco chamber. The air circulation pump can preferably adjust the opening and closing conditions and the power according to the temperature signals of the temperature sensors, so as to realize more accurate control of the temperature in the smoke chamber. The air circulation pump may be connected to the controller.

In the tobacco flue-curing barn system, the combustion furnace is preferably a biomass combustion furnace. In the present invention, a biomass combustion furnace is preferably used as the combustion furnace, and the advantages of biomass fuel can be fully utilized. In particular, the structure of the biomass combustion furnace may not be limited, and generally includes a feeding assembly for feeding, a combustion assembly for combusting biomass particles, and a heat dissipation assembly for dissipating heat generated by the combustion assembly.

Compared with the prior art, the utility model has the advantages that:

1. according to the tobacco leaf flue-curing barn system, the temperature in the heat exchange chamber is increased by the heat generated by the combustion furnace, the hot air in the heat exchange chamber is blown downwards by the circulating fan and then enters the tobacco curing chamber through the hot air inlet, and the power of the circulating fan can be adjusted according to the temperature information sensed by the temperature sensor as the temperature sensor is arranged in the tobacco curing chamber, so that the power of the circulating fan can be adjusted according to the temperature in the tobacco curing chamber to change the air intake of the hot air inlet, and the aim of accurately adjusting and controlling the temperature in the tobacco curing chamber is fulfilled.

2. The tobacco leaf curing barn system has the advantages of simple structure, convenience in temperature control, high temperature control precision and the like, can be widely applied to tobacco leaf intensive planting areas, and has a wide market application prospect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view (perspective view) of a tobacco flue-curing barn system according to the embodiment.

FIG. 2 is a cross-sectional view of the tobacco flue-curing barn system in the vertical direction in the embodiment (the direction of the arrow in the figure represents the direction of air flow).

Fig. 3 is a schematic structural view of a biomass burner used in the example.

Illustration of the drawings:

201. a tobacco flue-curing chamber; 202. a heat exchange chamber; 203. a temperature sensor; 204. a circulating fan; 205. a hot air inlet; 206. a controller; 207. a cold air outlet; 208. an air circulation pump; 4. a combustion chamber; 9. a radiating pipe; 14. an air inlet machine; 15. an exhaust duct; 16. an air outlet machine; 20. a feed hopper; 21. a screw conveying mechanism; 22. and (4) feeding a pipe.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of the utility model is not limited to the specific embodiments below.

Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.

Unless otherwise specifically stated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be prepared by existing methods.

Example (b):

as shown in fig. 1 and fig. 2, the tobacco flue-curing barn system of this embodiment includes a flue-curing barn and a combustion furnace for providing heat to the flue-curing barn, the flue-curing barn includes a flue-curing chamber 201 and a heat exchange chamber 202, a temperature sensor 203 is disposed in the flue-curing chamber 201, a circulating fan 204 for adjusting power according to temperature information of the temperature sensor 203 is disposed in the heat exchange chamber 202, the circulating fan 204 is disposed at an upper middle portion of the heat exchange chamber 202, and a hot air inlet 205, which is communicated with the flue-curing chamber 201 and used for allowing hot air in the heat exchange chamber 202 to enter the flue-curing chamber 201, is disposed at a lower portion of an inner wall of the heat exchange chamber 202; the combustion furnace comprises a feeding assembly, a combustion assembly and a heat dissipation assembly, the feeding assembly is communicated with the combustion assembly, the combustion assembly is communicated with the heat dissipation assembly, and the combustion assembly and the heat dissipation assembly are located in the heat exchange chamber 202 and below the circulating fan 204.

In this embodiment, the feeding assembly is provided with an air inlet fan 14, the outlet of the heat dissipation assembly is provided with an exhaust duct 15 and an air outlet fan 16, the exhaust duct 15 leads to the outside of the heat exchange chamber 202, and the control information of the air inlet fan 14 and the control information of the air outlet fan 16 are interlocked with each other and with the control signal of the circulating fan 204.

In this embodiment, the feeding assembly includes a feeding hopper 20, a spiral conveying mechanism 21 and a feeding pipe 22, the feeding hopper 20 is connected with the feeding pipe 22 through the spiral conveying mechanism 21, and the feeding pipe 22 is communicated with the combustion assembly; the control signal of the operation of the screw conveying mechanism 21 and the control signals of the air inlet fan 14, the air outlet fan 16 and the circulating fan 204 are interlocked with each other.

In this embodiment, the device further includes a controller 206 for acquiring temperature information of the temperature sensor 203 and controlling the operation of the circulating fan 204, the air inlet fan 14, the air outlet fan 16 and the screw conveying mechanism 21 according to the temperature information, and the controller 206 is connected to the temperature sensor 203, the circulating fan 204, the air inlet fan 14, the air outlet fan 16 and the screw conveying mechanism 21.

In this embodiment, be equipped with on the flue-cured tobacco chamber 201 and be used for the exhaust cold wind export 207 of the wet cold wind in the flue-cured tobacco chamber 201, cold wind export 207 lies in same one side with hot-blast entry 205, and cold wind export 207 lies in the well upper portion of flue-cured tobacco chamber 201.

In this embodiment, be equipped with a plurality of temperature-sensing ware 203 in flue-cured tobacco room 201, a plurality of temperature-sensing ware 203 evenly distributed are in each position in flue-cured tobacco room 201.

In this embodiment, at least one air circulation pump 208 for accelerating the air flow in the tobacco flue-curing chamber 201 is further disposed in the tobacco flue-curing chamber 201. As shown in fig. 2 by 2. The air circulation pump 208 may be connected to the controller 206 and controlled by the controller 206 according to the temperature information of the temperature sensor 203.

In this embodiment, the biomass burner for burning biomass particles can be used, and the specific type can be not limited, for example, the biomass burner as shown in fig. 3 is used, the burning module includes a burning chamber 4, and the heat dissipation module includes a heat dissipation pipe 9.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A tobacco leaf flue-curing barn system is characterized by comprising a flue-curing barn and a combustion furnace for providing heat for the flue-curing barn, wherein the flue-curing barn comprises a tobacco curing chamber (201) and a heat exchange chamber (202), a temperature sensor (203) is arranged in the tobacco curing chamber (201), a circulating fan (204) for adjusting power according to temperature information of the temperature sensor (203) is arranged in the heat exchange chamber (202), the circulating fan (204) is arranged at the middle upper part of the heat exchange chamber (202), and a hot air inlet (205) which is communicated with the tobacco curing chamber (201) and used for allowing hot air in the heat exchange chamber (202) to enter the tobacco curing chamber (201) is arranged at the lower part of the inner wall of the heat exchange chamber (202); the combustion furnace comprises a feeding assembly, a combustion assembly and a heat dissipation assembly, wherein the feeding assembly is communicated with the combustion assembly, the combustion assembly is communicated with the heat dissipation assembly, and the combustion assembly and the heat dissipation assembly are located in the heat exchange chamber (202) and below the circulating fan (204).

2. The tobacco flue-curing house system according to claim 1, characterized in that an air inlet machine (14) is arranged on the feeding component, an exhaust pipe (15) and an air outlet machine (16) are arranged on the outlet of the heat dissipation component, the exhaust pipe (15) leads to the outside of the heat exchange chamber (202), and the control information of the air inlet machine (14) and the air outlet machine (16) are interlocked with each other and with the control signal of the circulating fan (204).

3. The tobacco leaf curing barn system according to claim 2, wherein the feeding assembly comprises a feeding hopper (20), an auger (21) and a feeding tube (22), wherein the feeding hopper (20) is connected to the feeding tube (22) by the auger (21), and wherein the feeding tube (22) is in communication with the combustion assembly; and the control signal of the operation of the spiral conveying mechanism (21) is interlocked with the control signals of the air inlet machine (14), the air outlet machine (16) and the circulating fan (204).

4. The tobacco flue-curing barn system according to claim 3, further comprising a controller (206) for acquiring temperature information of the temperature sensor (203) and controlling the operation of the circulating fan (204), the air inlet fan (14), the air outlet fan (16) and the screw conveying mechanism (21) according to the temperature information, wherein the controller (206) is connected with the temperature sensor (203), the circulating fan (204), the air inlet fan (14), the air outlet fan (16) and the screw conveying mechanism (21).

5. The tobacco flue-curing house system according to any one of claims 1-4, wherein the tobacco flue-curing chamber (201) is provided with a cold air outlet (207) for discharging the wet cold air in the tobacco flue-curing chamber (201), the cold air outlet (207) is located on the same side as the hot air inlet (205), and the cold air outlet (207) is located at the middle upper part of the tobacco flue-curing chamber (201).

6. The tobacco flue-curing house system according to any one of claims 1-4, wherein a plurality of temperature sensors (203) are arranged in the flue-curing chamber (201), and the plurality of temperature sensors (203) are evenly distributed in the flue-curing chamber (201).

7. The tobacco flue-curing house system according to any one of claims 1-4, wherein at least one air circulation pump (208) for accelerating the flow of air in the flue-curing chamber (201) is further provided in the flue-curing chamber (201).