CN215638575U - Tobacco drying system device of air source heat pump - Google Patents
Tobacco drying system device of air source heat pump Download PDFInfo
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- CN215638575U CN215638575U CN202121743154.1U CN202121743154U CN215638575U CN 215638575 U CN215638575 U CN 215638575U CN 202121743154 U CN202121743154 U CN 202121743154U CN 215638575 U CN215638575 U CN 215638575U
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Abstract
The utility model provides a tobacco drying system device of an air source heat pump, which comprises a drying box, wherein the drying box is externally connected with an air circulation pipeline, an evaporator and a heat exchanger are sequentially arranged on the air circulation pipeline along the air flow direction, and the evaporator and the heat exchanger are circularly connected through a medium circulation pipeline; the drying box comprises a box body, a rotating shaft is vertically arranged in the box body, one end of the rotating shaft is connected with a motor, and at least one drying tray is fixed on the rotating shaft. The tobacco drying system device provided by the utility model realizes the drying of high-temperature and high-pressure gas to tobacco and the recycling of residual heat gas through the air source heat pump, and effectively overcomes the defects of non-uniform heating and unstable heating effect of tobacco by arranging the rotating shaft to drive the drying tray to rotate.
Description
Technical Field
The utility model belongs to the technical field of tobacco drying, and relates to a tobacco drying system device of an air source heat pump.
Background
Tobacco leaf roasting is a complex physiological and biochemical process accompanied by physical changes. Wherein the physical change means that moisture in the tobacco leaves is continuously vaporized and discharged out of the tissues, so that the tobacco leaves are gradually dried; the physiological and biochemical changes are the most basic and important changes and extremely complex, and comprise the whole process of decomposing, converting and consuming the tobacco contents by fresh tobacco tissue cells under the action of respiratory enzymes, hydrolytic enzymes, oxidation-reduction enzymes and the like. The baking principle is to study the basic rule of the process, so as to make artificial regulation and control measures, and to make various changes of the tobacco leaf develop towards the direction most beneficial to industrial availability, namely, the tobacco leaf is baked, yellow and fragrant. And to reflect the quality characteristics of the flue-cured tobacco formed under specific conditions, a corresponding baking process and baking equipment are required, and the baking equipment is required to meet and serve the requirements of the baking process, and both the baking process and the baking equipment are required to be scientific and practical.
The earliest tobacco leaf baking equipment in the world is very crude, along with continuous development and exploration of science and technology and energy sources, bulk curing barns of various energy sources and forms are generally developed, the baking process is simplified, the whole tobacco leaf baking process is divided into three stages of yellowing, fixing color and drying ribs, appropriate heat supply and ventilation are carried out according to the tobacco leaf change requirements of all stages, the temperature and humidity indexes are regulated, the temperature and humidity programmed automatic control is realized, the tobacco leaf quality is effectively guaranteed, and the labor amount of the baking link is remarkably saved. The baking heating mode of modern flue-cured tobacco all uses heat exchanger, and the tobacco leaf uses the hot air without comburent smoke component as medium to realize the drying, and has essential difference with the smoking and open fire flue-cured tobacco.
At present, the requirement for the quality of tobacco leaves in various countries in the world is higher and higher, and in order to improve the quality of flue-cured tobacco and reduce the labor productivity, fuel, gas and coal intensive baking technologies are widely popularized abroad, and the development is carried out in the direction of computer programmed control.
CN110285648A discloses drying device for tobacco industry, including work box, dodge gate, heating device, stoving frame, be equipped with the dodge gate on the work box, be equipped with the handle on the dodge gate, it is articulated through the hinge between dodge gate and the work box, heating device sets up in the inside top of work box, the stoving frame sets up in heating device below.
CN204599308U discloses a tobacco drying device with low energy consumption and good drying effect, which comprises a frame, a feeding pipe, a first heating pipe, a second heating pipe and a cooling pipe, wherein the feeding pipe comprises a first feeding pipe and a second feeding pipe; the first heating pipe, the second heating pipe and the first feeding pipe are all internally provided with infrared heating pipes, the fan is further included, the second feeding pipe is provided with a first exhaust pipe, one end of the first exhaust pipe is connected with the pipe wall of the second feeding pipe, the other end of the first exhaust pipe is connected with an air inlet of the fan, the cooling pipe is provided with a second exhaust pipe, one end of the second exhaust pipe is communicated with the cooling pipe, and the other end of the second exhaust pipe is connected with the air inlet of the fan.
CN210538859U discloses a drying device for tobacco production, which comprises a drying box body, wherein a tobacco conveying component is installed inside the drying box body, and a first drying device and a second drying device for conveying hot air to the inside of the drying box body are installed on the side wall of the drying box body; tobacco transmission part includes from last feeding transmission band and the ejection of compact transmission band that distributes extremely down, the feeding transmission band with be provided with the first transmission band of a plurality of and second transmission band according to the mode of interval arrangement between the ejection of compact transmission band, first transmission band with position difference about being provided with between the second transmission band can carry out the processing of drying in succession to tobacco through cooperation such as feeding transmission band, first transmission band, second transmission band and ejection of compact transmission band, can overturn the tobacco in the transmission course between the transmission band to cooperate first drying device and second drying device to accelerate the drying efficiency to the tobacco, and it is effectual to dry.
Most functions of the existing tobacco drying device are single, the phenomenon that tobacco is accumulated is easily generated in the actual drying process, the tobacco is heated unevenly, the problem of uneven drying is caused, inconvenience is brought to actual processing, and the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the tobacco drying system device of the air source heat pump, the tobacco drying system device provided by the utility model realizes the drying of high-temperature and high-pressure gas on tobacco and the recycling of waste heat gas through the air source heat pump, and the defects of uneven heating and unstable heating effect of the tobacco are effectively overcome by arranging the rotating shaft to drive the drying tray to rotate.
In order to achieve the purpose, the utility model adopts the following technical scheme:
in a first aspect, the utility model provides a tobacco drying system device of an air source heat pump, which comprises a drying box, wherein the drying box is externally connected with an air circulation pipeline, an evaporator and a heat exchanger are sequentially arranged on the air circulation pipeline along the air flow direction, and the evaporator and the heat exchanger are circularly connected through a medium circulation pipeline; the drying box comprises a box body, a rotating shaft is vertically arranged in the box body, one end of the rotating shaft is connected with a motor, and at least one drying tray is fixed on the rotating shaft.
The tobacco drying system device provided by the utility model realizes the drying of high-temperature high-pressure gas on tobacco and the recycling of residual heat gas through the air source heat pump, specifically, gaseous refrigerant generated by an evaporator enters a heat exchanger to be condensed and released heat to heat air, and the high-temperature high-pressure gas formed after heating enters a box body to dry the tobacco; the liquid refrigerant obtained after condensation returns to the evaporator to contact with the waste heat air exhausted from the box body for heat exchange, and the gaseous refrigerant is formed again and enters the heat exchanger, so that a heat cycle is realized; meanwhile, the drying tray is driven to rotate by the rotating shaft, so that the defects of non-uniform heating and unstable heating effect of tobacco are effectively overcome.
As a preferable technical solution of the present invention, a compressor is disposed on the medium circulation line between the medium outlet of the evaporator and the medium inlet of the heat exchanger, gaseous refrigerant discharged from the evaporator is compressed by the compressor and then enters the heat exchanger, and high-pressure gaseous refrigerant is condensed in the heat exchanger by contacting with air to release heat.
An expansion valve is arranged on a medium circulating pipeline between a medium inlet of the evaporator and a medium outlet of the heat exchanger; the gaseous refrigerant is subjected to heat exchange and temperature rise to obtain a liquid refrigerant, enters the evaporator through the expansion valve, and is evaporated again to obtain the gaseous refrigerant.
In the utility model, the outlet end of the compressor is connected with the inlet end of the heat exchanger, the inlet end of the compressor is connected with the outlet end of the evaporator, the compressor is used for compressing the refrigerant, so that the refrigerant is changed into gaseous refrigerant and is sent into the heat exchanger, the gaseous refrigerant is condensed in the heat exchanger to release heat and exchanges heat with air, so that the air in the heat exchanger is changed into high-temperature high-pressure gas, and the high-temperature high-pressure gas is introduced into the box body to dry the tobacco.
The inlet end of the expansion valve is connected with the outlet end of the heat exchanger, the outlet end of the expansion valve is connected with the inlet end of the evaporator, the heat exchanger discharges the gaseous refrigerant after heat exchange, the expansion valve changes the gaseous refrigerant into liquid refrigerant and sends the liquid refrigerant into the evaporator, meanwhile, residual heat air in the box body is pumped into the evaporator, and the liquid refrigerant and the residual heat air perform heat exchange in the evaporator.
The utility model utilizes the inverse Carnot principle, the gaseous refrigerant which releases heat from the heat exchanger is changed into liquid refrigerant through the expansion valve, the liquid refrigerant enters the evaporator to continuously absorb the heat in the waste heat air in the shell of the evaporator, the refrigerant which absorbs certain energy returns to the compressor to be compressed again, and the cycle is repeated. Therefore, the compressor can be used for working, and the heat in the air can be continuously conveyed into the box body to heat and dry the tobacco.
As a preferable technical scheme of the utility model, the drying tray comprises a chassis and a side wall arranged along the outer edge of the chassis, and the side wall is folded to form a trapezoidal cavity structure with one open end by the chassis and the side wall.
The through holes are distributed on the bottom plate and the side walls.
The utility model designs the drying tray into a trapezoidal cavity structure, and aims to prevent tobacco from flying out of the drying tray under the inertia effect when the drying tray rotates. The through holes are distributed on the bottom plate and the side wall, which is favorable for water evaporation and quickens the drying speed.
As a preferred technical solution of the present invention, the drying trays are distributed side by side in a vertical direction, the rotating shaft sequentially penetrates through the centers of the drying trays, and the drying trays are driven by the rotating shaft to rotate by taking a vertical axis as a rotating shaft.
As a preferred technical scheme of the utility model, the edge of the drying tray is fixed on the rotating shaft, and the drying trays are sequentially staggered and fixed on the rotating shaft in a spiral step-shaped arrangement manner along the length direction of the rotating shaft.
It should be noted that the utility model provides two different arrangement modes of the drying trays, one is that the drying trays are coaxially arranged in the vertical direction, the rotating shaft sequentially penetrates through the centers of the drying trays, and each tray rotates by taking the rotating shaft as the rotating shaft under the driving of the rotating shaft. Secondly, along pivot length direction, the stoving layer board misplaces in proper order and is fixed in the pivot according to the mode of spiral echelonment arrangement, adopts the spiral echelonment to arrange and can guarantee that every stoving tray top all has sufficient air heat to heat the stoving to the tobacco, and can not sheltered from the separation by adjacent stoving tray.
As a preferable technical scheme of the utility model, the inner wall of the box body is paved with an insulating layer.
In the utility model, the heat-insulating layer is laid on the inner wall of the box body, so that the heat of hot air flowing in the box body can be effectively prevented from being dissipated; furthermore, an insulating layer can be wrapped on the outer wall of the air circulation pipeline.
As a preferable technical scheme, the inner wall of the box body is provided with a temperature sensor, the side wall of the box body is provided with a display screen, and the temperature sensor is electrically connected with the display screen.
As a preferred technical scheme of the present invention, an air pump and a dryer are further sequentially disposed at an air inlet end of the air circulation pipeline along an air flow direction, and wet air in the box body is pumped into the dryer by the air pump, and enters the evaporator after being dried.
In the utility model, the temperature sensor is preferably arranged at the position of the air inlet of the drying box and used for detecting the temperature of the gas of high-temperature and high-pressure gas entering the drying box, and the display screen can display the temperature of the gas in the drying box in real time. Optionally, the temperature sensor is electrically connected with the control module, the control module controls the air pump in a feedback mode, the control module adjusts the rotating speed of the air pump according to the temperature displayed in real time, the flowing speed of hot air in the drying box is enabled to be appropriate, the best drying effect is achieved, if the displayed temperature is lower than a standard drying temperature value, the rotating speed of the air pump is reduced, the flowing speed of the hot air in the drying box is reduced, the hot air stays for a long time, and materials are sufficiently dried. The temperature sensor arranged in the utility model is matched with the corresponding control module to realize the automatic and intelligent control of the utility model, and the continuous drying operation can be carried out for 24 hours.
In addition, the control module can also be electrically connected with a motor for driving the motor to rotate, and the rotating speed of the air pump and the rotating speed of the rotating shaft can be adjusted according to the real-time displayed gas temperature.
The dryer comprises a shell, wherein at least two baffling partition plates are arranged on the inner wall of the shell in a staggered mode, the baffling partition plates divide the inner space of the shell into serpentine channels, and desiccant particles are filled in the serpentine channels.
In the utility model, the drier can remove the moisture in the humid air and prevent the humid air from returning to the drying box along with the air circulation pipeline, in particular, the drier adopting the baffling structure prolongs the staying time of the humid air in the shell and ensures that the humid air is completely dried.
As a preferable technical scheme of the utility model, one side of the box body is provided with a box door, and one side of the box door is movably hinged with the box body.
Illustratively, the working principle of the tobacco drying device provided by the utility model is as follows:
(1) uniformly spreading tobacco to be dried on each layer of drying tray, starting a motor, and driving a rotating shaft and the drying tray to rotate by the motor;
(2) starting a compressor, compressing the refrigerant to change the refrigerant into a gaseous refrigerant and sending the gaseous refrigerant into a heat exchanger, condensing the gaseous refrigerant in the heat exchanger to release heat, and exchanging heat with air to change the air in the heat exchanger into high-temperature high-pressure gas, wherein the high-temperature high-pressure gas is introduced into a box body to dry the tobacco;
(3) the gaseous refrigerant which releases heat in the heat exchanger enters an expansion valve, the gaseous refrigerant is changed into liquid refrigerant, then the liquid refrigerant is sent into an evaporator, meanwhile, waste heat air in the box body is also pumped into the evaporator, and the liquid refrigerant and the waste heat air perform heat exchange in the evaporator;
(4) the temperature sensor detects the temperature of the gas of high-temperature and high-pressure gas entering the drying box in real time, and the display screen displays the temperature of the gas in the drying box in real time. The temperature sensor transmits the gas temperature data to the control module, the control module adjusts the rotating speed of the air pump according to the real-time gas temperature, if the display temperature is lower than the standard drying temperature value, the rotating speed of the air pump is reduced, so that the flow speed of hot air in the drying box is reduced, otherwise, the rotating speed of the air pump is increased.
The system refers to an equipment system, or a production equipment.
Compared with the prior art, the utility model has the beneficial effects that:
the tobacco drying system device provided by the utility model realizes the drying of high-temperature high-pressure gas on tobacco and the recycling of residual heat gas through the air source heat pump, specifically, gaseous refrigerant generated by an evaporator enters a heat exchanger to be condensed and released heat to heat air, and the high-temperature high-pressure gas formed after heating enters a box body to dry the tobacco; the liquid refrigerant obtained after condensation returns to the evaporator to contact with the waste heat air exhausted from the box body for heat exchange, and the gaseous refrigerant is formed again and enters the heat exchanger, so that a heat cycle is realized; meanwhile, the drying tray is driven to rotate by the rotating shaft, so that the defects of non-uniform heating and unstable heating effect of tobacco are effectively overcome.
Drawings
Fig. 1 is a schematic structural diagram of a tobacco drying device according to an embodiment of the present invention.
Wherein, 1-a heat-insulating layer; 2-a rotating shaft; 3, a motor; 4-drying the tray; 5-air circulation pipeline; 6, a box body; 7-a temperature sensor; 8, an air pump; 9-a dryer; 10-baffle plate; 11-a desiccant; 12-an evaporator; 13-a medium circulation line; 14-a compressor; 15-an expansion valve; 16-heat exchanger.
Detailed Description
It is to be understood that in the description of the present invention, the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
It should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
It should be understood by those skilled in the art that the present invention necessarily includes necessary piping, conventional valves and general pump equipment for realizing the complete process, but the above contents do not belong to the main utility model of the present invention, and those skilled in the art can select the layout of the additional equipment based on the process flow and the equipment structure, and the present invention is not particularly limited to this.
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
In a specific embodiment, the utility model provides a tobacco drying system device of an air source heat pump, which is shown in fig. 1 and comprises a drying box, wherein the drying box is externally connected with an air circulation pipeline 5, an evaporator 12 and a heat exchanger 16 are sequentially arranged on the air circulation pipeline 5 along the air flow direction, and the evaporator 12 and the heat exchanger 16 are circularly connected through a medium circulation pipeline 13; the stoving case includes box 6, and the vertical pivot 2 that is provided with in the box 6, motor 3 is connected to the one end of pivot 2, is fixed with at least one stoving tray 4 in the pivot 2.
The tobacco drying system device provided by the utility model realizes the drying of high-temperature high-pressure gas to tobacco and the recycling of waste heat gas through the air source heat pump, specifically, gaseous refrigerant generated by the evaporator 12 enters the heat exchanger 16 to be condensed and released heat to heat air, and the high-temperature high-pressure gas formed after heating enters the box body 6 to dry the tobacco; the liquid refrigerant obtained after condensation returns to the evaporator 12 to contact with the waste heat air discharged from the box body 6 for heat exchange, and the gaseous refrigerant is formed again and enters the heat exchanger 16, so that a heat cycle is realized; meanwhile, the drying tray 4 is driven to rotate by the rotating shaft 2, so that the defects of non-uniform heating and unstable heating effect of tobacco are effectively overcome.
Further, a compressor 14 is arranged on the medium circulating pipeline 13 between the medium outlet of the evaporator 12 and the medium inlet of the heat exchanger 16, gaseous refrigerant discharged from the evaporator 12 is compressed by the compressor 14 and then enters the heat exchanger 16, and high-pressure gaseous refrigerant is in contact with air in the heat exchanger 16 for condensation and heat release.
An expansion valve 15 is arranged on a medium circulating pipeline 13 between a medium inlet of the evaporator 12 and a medium outlet of the heat exchanger 16; the gaseous refrigerant exchanges heat and is heated to obtain a liquid refrigerant, and the liquid refrigerant enters the evaporator 12 through the expansion valve 15 and is evaporated again to obtain the gaseous refrigerant.
In the utility model, the outlet end of the compressor 14 is connected with the inlet end of the heat exchanger 16, the inlet end of the compressor 14 is connected with the outlet end of the evaporator 12, the compressor 14 is used for compressing the refrigerant, so that the refrigerant is changed into gaseous refrigerant and is sent into the heat exchanger 16, the gaseous refrigerant is condensed in the heat exchanger 16 to release heat and exchanges heat with air, so that the air in the heat exchanger 16 is changed into high-temperature high-pressure gas, and the high-temperature high-pressure gas is introduced into the box body 6 to dry the tobacco.
The inlet end of the expansion valve 15 is connected with the outlet end of the heat exchanger 16, the outlet end of the expansion valve 15 is connected with the inlet end of the evaporator 12, the heat exchanger 16 discharges the gaseous refrigerant after heat exchange, the expansion valve 15 changes the gaseous refrigerant into the liquid refrigerant, the liquid refrigerant is sent into the evaporator 12, meanwhile, the residual heat air in the box body 6 is also pumped into the evaporator 12, and the liquid refrigerant and the residual heat air perform heat exchange in the evaporator 12.
The utility model utilizes the inverse Carnot principle, the gaseous refrigerant which releases heat in the heat exchanger 16 is changed into liquid refrigerant through the expansion valve 15, the liquid refrigerant enters the evaporator 12 to continuously absorb the heat in the residual heat air in the shell of the evaporator 12, the refrigerant which absorbs certain energy returns to the compressor 14 to be compressed again, and the cycle is repeated. Thus, the compressor 14 can be used for working, and the heat in the air is continuously conveyed into the box body 6 to heat and dry the tobacco.
Further, the drying tray 4 comprises a base plate and a side wall arranged along the outer edge of the base plate, and the side wall is folded, so that the base plate and the side wall form a trapezoidal cavity structure with one open end;
the through holes are distributed on the bottom plate and the side walls.
The utility model designs the drying tray 4 into a trapezoidal cavity structure, and aims to prevent the tobacco from flying out of the drying tray 4 under the inertia effect when the drying tray 4 rotates. The through holes are distributed on the bottom plate and the side wall, which is favorable for water evaporation and quickens the drying speed.
Further, drying tray 4 distributes side by side in the vertical direction, and pivot 2 runs through each drying tray 4's center in proper order, and drying tray 4 uses vertical axis to be 2 rotations of rotation axis under the drive of pivot 2.
Further, the edge of the drying tray 4 is fixed on the rotating shaft 2, and the drying trays are sequentially staggered and fixed on the rotating shaft 2 in a spiral step-shaped arrangement manner along the length direction of the rotating shaft 2.
The utility model provides two different arrangement modes of drying trays 4, one of the two different arrangement modes is that the drying trays 4 are coaxially arranged in the vertical direction, a rotating shaft 2 sequentially penetrates through the centers of the drying trays 4, each tray rotates by taking the rotating shaft 2 as the rotating shaft 2 under the driving of the rotating shaft 2, under the arrangement mode, in order to accelerate the evaporation of moisture in tobacco, the central axes of the drying trays 4 are collinear but have different sizes, and optionally, two adjacent drying trays 4 have different sizes, but two drying trays 4 spaced by one drying tray 4 have the same size. Secondly, along 2 length directions of pivot, the stoving layer board misplaces in proper order and is fixed in on the pivot 2 according to the mode of spiral echelonment arrangement, adopts the spiral echelonment to arrange and can guarantee that every stoving tray 4 top all has sufficient air heat to heat the stoving to the tobacco, and can not sheltered from the separation by adjacent stoving tray 4.
It should be noted that the drying tray 4 and the rotating shaft 2 may be detachably connected or directly welded and fixed.
Further, the inner wall of the box body 6 is paved with an insulating layer 1.
In the utility model, the heat-insulating layer 1 is laid on the inner wall of the box body 6, so that the heat of hot air flowing in the box body can be effectively prevented from being dissipated; further, the outer wall of the air circulation pipeline 5 can be wrapped with the insulating layer 1.
Further, 6 inner walls of box are provided with temperature sensor 7, are provided with the display screen on the 6 lateral walls of box, temperature sensor 7 electric connection display screen.
Further, an air pump 8 and a dryer 9 are sequentially arranged at the air inlet end of the air circulation pipeline 5 along the air flow direction, and the wet air in the box body 6 is pumped into the dryer 9 through the air pump 8 and enters the evaporator 12 after being dried.
In the utility model, the temperature sensor 7 is preferably arranged at the position of an air inlet of the drying box and used for detecting the temperature of the gas of high-temperature and high-pressure gas entering the drying box, and the display screen can display the temperature of the gas in the drying box in real time. Optionally, the temperature sensor 7 is further electrically connected with the control module, the control module controls the air pump 8 in a feedback mode, the control module adjusts the rotating speed of the air pump 8 according to the temperature displayed in real time, the flowing speed of hot air in the drying box is enabled to be appropriate, the best drying effect is achieved, if the displayed temperature is lower than a standard drying temperature value, the rotating speed of the air pump 8 is slowed down, the flowing speed of the hot air in the drying box is slowed down, the hot air stays for a long time, and materials are sufficiently dried. The temperature sensor 7 provided by the utility model is matched with a corresponding control module, so that the automatic and intelligent control of the utility model can be realized, and the continuous drying operation can be carried out for 24 hours.
In addition, the control module can also be electrically connected with the motor 3 for driving the motor 3 to rotate, and the rotating speed of the air pump 8 and the rotating speed of the rotating shaft 2 can be adjusted according to the real-time displayed gas temperature.
Further, the dryer 9 comprises a shell, at least two baffling partition plates 10 are arranged on the inner wall of the shell in a staggered mode, the baffling partition plates 10 divide the inner space of the shell into serpentine channels, and desiccant particles 11 are filled in the serpentine channels.
In the utility model, the drier 9 can remove the moisture in the humid air and prevent the humid air from returning to the drying box along with the air circulation pipeline 5, in particular, the drier 9 with a baffling structure is adopted in the utility model, so that the retention time of the humid air in the shell is prolonged, and the humid air is ensured to be completely dried.
Furthermore, a box door is arranged on one side of the box body 6, and one side of the box door is movably hinged with the box body 6.
In another embodiment, the present invention provides a method for using the above tobacco drying system, wherein the method specifically comprises the following steps:
(1) uniformly spreading tobacco to be dried on each layer of drying tray 4, starting the motor 3, and driving the rotating shaft 2 and the drying tray 4 to rotate by the motor 3;
(2) starting the compressor 14, compressing the refrigerant to change the refrigerant into a gaseous refrigerant and sending the gaseous refrigerant into the heat exchanger 16, condensing the gaseous refrigerant in the heat exchanger 16 to release heat, and exchanging heat with air to change the air in the heat exchanger 16 into high-temperature high-pressure gas, and introducing the high-temperature high-pressure gas into the box body 6 to dry the tobacco;
(3) the gaseous refrigerant which releases heat in the heat exchanger 16 enters the expansion valve 15, the gaseous refrigerant is changed into liquid refrigerant, then the liquid refrigerant is sent into the evaporator 12, meanwhile, the waste heat air in the box body 6 is also pumped into the evaporator 12, and the liquid refrigerant and the waste heat air exchange heat in the evaporator 12;
(4) the temperature sensor 7 detects the temperature of the gas entering the drying box from the high-temperature high-pressure gas in real time, and the display screen displays the temperature of the gas in the drying box in real time. Temperature sensor 7 transmits gas temperature data to control module, and control module adjusts the rotational speed of air pump 8 according to real-time gas temperature, if the display temperature is less than standard stoving temperature value, slows down 8 rotational speeds of air pump, makes the velocity of flow slow down in the stoving case of hot-air, otherwise then improves 8 rotational speeds of air pump.
The applicant declares that the above description is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and it should be understood by those skilled in the art that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are within the scope and disclosure of the present invention.
Claims (10)
1. The tobacco drying system device of the air source heat pump is characterized by comprising a drying box, wherein the drying box is externally connected with an air circulation pipeline, an evaporator and a heat exchanger are sequentially arranged on the air circulation pipeline along the air flow direction, and the evaporator and the heat exchanger are in circulating connection through a medium circulation pipeline; the drying box comprises a box body, a rotating shaft is vertically arranged in the box body, one end of the rotating shaft is connected with a motor, and at least one drying tray is fixed on the rotating shaft.
2. The tobacco drying system device according to claim 1, wherein a compressor is arranged on the medium circulating pipeline between the medium outlet of the evaporator and the medium inlet of the heat exchanger, gaseous refrigerant discharged from the evaporator enters the heat exchanger after being compressed by the compressor, and high-pressure gaseous refrigerant is in contact with air in the heat exchanger for condensation and heat release;
an expansion valve is arranged on a medium circulating pipeline between a medium inlet of the evaporator and a medium outlet of the heat exchanger; the gaseous refrigerant is subjected to heat exchange and temperature rise to obtain a liquid refrigerant, enters the evaporator through the expansion valve, and is evaporated again to obtain the gaseous refrigerant.
3. The tobacco curing system of claim 1 wherein said curing tray includes a base and side walls disposed along the outer edges of said base, said side walls being folded such that said base and said side walls define a trapezoidal cavity configuration having an open end;
through holes are distributed on the bottom plate and the side wall.
4. The tobacco drying system device of claim 1, wherein the drying trays are arranged side by side in a vertical direction, the rotating shaft sequentially penetrates through the center of each drying tray, and the drying trays rotate by taking a vertical axis as a rotating shaft under the driving of the rotating shaft.
5. The tobacco drying system device of claim 1, wherein the drying trays are fixed to the shaft at their edges, and are sequentially offset and fixed to the shaft in a spiral step arrangement along the length of the shaft.
6. The tobacco drying system device of claim 1, wherein the inner wall of the box body is laid with an insulating layer.
7. The tobacco drying system device of claim 1, wherein a temperature sensor is disposed on an inner wall of the box body, a display screen is disposed on a side wall of the box body, and the temperature sensor is electrically connected to the display screen.
8. The tobacco drying system device of claim 1, wherein the air inlet end of the air circulation pipeline is further provided with an air pump and a dryer in sequence along the air flow direction, and the wet air in the box body is pumped into the dryer through the air pump and enters the evaporator after being dried.
9. The tobacco curing system of claim 8 wherein said dryer includes a housing, said housing having at least two alternating baffle plates, said baffle plates dividing the interior of said housing into serpentine channels, said serpentine channels being filled with desiccant beads.
10. The tobacco drying system of claim 1 wherein the air inlet end of the air circulation duct further includes a door mounted to one side of the housing, one side of the door being hingedly connected to the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121743154.1U CN215638575U (en) | 2021-07-29 | 2021-07-29 | Tobacco drying system device of air source heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121743154.1U CN215638575U (en) | 2021-07-29 | 2021-07-29 | Tobacco drying system device of air source heat pump |
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| Publication Number | Publication Date |
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| CN215638575U true CN215638575U (en) | 2022-01-25 |
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| CN202121743154.1U Active CN215638575U (en) | 2021-07-29 | 2021-07-29 | Tobacco drying system device of air source heat pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114654695A (en) * | 2022-04-13 | 2022-06-24 | 郑州轻工业大学 | Plastic extruder feeding device and PVA extruder using same |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114654695A (en) * | 2022-04-13 | 2022-06-24 | 郑州轻工业大学 | Plastic extruder feeding device and PVA extruder using same |
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