Two-way convection type fruit and vegetable drying box structure based on multi-flow field cooperation

Abstract

The utility model relates to a kind of two-way convection type fruit and vegetable drying box structure based on multi-flow field cooperation, belong to fruit and vegetable drying equipment technical field. Including: multiple air bellow module is constituted by multiple detachable modular box and transport circulation mechanism, and modular box is opened with first inlet and first outlet and has independent second air supply system;Air duct compensation system is arranged along the independent compensation air duct and second inlet and second outlet of modular box boundary line, and compensation air duct is connected with the first air supply system of modular box;Air flow circulation component is detachably connected with first inlet and second inlet;Heating component is installed on air flow circulation component;Temperature and humidity control component is installed in each modular box, and is connected with air flow circulation component and heating component between communication. For solving the technical problem that the existing equipment airflow distribution is uneven, leading to the drying degree difference of fruit and vegetable corner and center area is significant, easy to appear local overdrying or moisture residual.

Description

Technical Field

[0001] This utility model belongs to the technical field of fruit and vegetable drying equipment, and specifically relates to a bidirectional convection fruit and vegetable drying box structure based on multi-flow field coordination. Background Technology

[0002] Fruit and vegetable drying is a crucial step in agricultural product processing. Its core objective is to extend the shelf life of fruits and vegetables while preserving their nutrients and flavor through efficient drying technology. With the increasing demand for high-quality dried fruit and vegetable products in the consumer market, traditional drying equipment, due to problems such as uneven drying, high energy consumption, and poor adaptability, is no longer able to meet the industry's development needs.

[0003] The existing technology has at least the following problems in its use: Traditional fruit and vegetable drying equipment uses a single box and a unidirectional hot air circulation structure, which has the defect of uneven airflow distribution. This results in a significant difference in the degree of drying between the edges and the center of the fruit and vegetables, and it is easy for local over-drying or moisture residue to occur. Utility Model Content

[0004] This utility model provides a bidirectional convection fruit and vegetable drying box structure based on multi-flow field coordination, which solves the technical problem that the existing equipment adopts a single box and unidirectional hot air circulation structure, resulting in uneven airflow distribution, which leads to significant differences in the degree of drying between the corners and the center of the fruit and vegetables, and easily causes local over-drying or moisture residue.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: A bidirectional convection fruit and vegetable drying box structure based on multi-flow field coordination includes: a multi-airbox module, consisting of multiple detachable modular boxes and a transport circulation mechanism, each modular box being detachably mounted on the transport circulation mechanism, and each modular box having a first air delivery system with a first inlet and a first outlet; an air duct compensation system, comprising an independent compensation air duct and a second inlet arranged along the edge of the modular box, the compensation air duct having a second outlet, and the compensation air duct being connected to the first air delivery system of the modular box; an airflow circulation component, detachably connected to the first and second inlets and detachably connected to the first outlet; a heating component, mounted on the airflow circulation component; and a temperature and humidity control component, mounted in each of the modular boxes and communicatively connected to the airflow circulation component and the heating component.

[0006] Furthermore, the transport circulation mechanism of the multi-box module includes an annular guide rail, a drive chain, and a drive motor. The annular guide rail has a closed loop structure, and the bottom of the modular box is provided with rollers that slide in cooperation with the annular guide rail; the drive chain is sleeved on the outside of the annular guide rail and fixedly connected to the bottom of the modular box; the drive motor is installed on one side of the annular guide rail, and its output shaft is connected to the drive chain for transmission.

[0007] Furthermore, the compensation air duct of the air duct compensation system includes a main compensation air duct and a branch compensation air duct. The main compensation air duct is arranged along the bottom and two sides of the modular housing in a U-shape; the branch compensation air duct is connected to the main compensation air duct and is arranged along the top edge of the modular housing; the second inlet is located at one end of the main compensation air duct, the second outlet is located in the middle of the branch compensation air duct, and guide vanes are provided at the intersection of the main compensation air duct and the branch compensation air duct.

[0008] Furthermore, the airflow circulation assembly includes a main fan, a circulation duct, and an airflow regulating valve. The main fan is installed on one side of the modular housing, and its outlet is connected to the first inlet and the second inlet; the circulation duct has a ring structure, with one end connected to the first outlet and the other end connected to the inlet of the main fan; the airflow regulating valve is installed inside the circulation duct.

[0009] Furthermore, the heating assembly includes a heat pump unit, an electric heating auxiliary device, and a temperature sensor. The heat pump unit is installed at the air outlet of the main fan; the electric heating auxiliary device is installed inside the circulating air duct and is connected in parallel with the heat pump unit; the temperature sensor is installed inside the modular housing.

[0010] Furthermore, the temperature and humidity control component includes a humidity sensor, a dehumidification device, and a humidification device. The humidity sensor is installed at the top of the modular housing. The dehumidification device is installed at the first outlet and includes a dehumidification fan and a dehumidification filter. The air inlet of the dehumidification fan is connected to the dehumidification filter, and the air outlet is connected to the circulating air duct. The humidification device is installed at the bottom of the modular housing and includes an ultrasonic humidifier and a water tank. The water inlet of the ultrasonic humidifier is connected to the water tank, and the spray nozzle faces into the modular housing. This utility model provides a bidirectional convection fruit and vegetable drying box structure based on multi-flow field coordination, which has the following advantages: By combining multiple air box modules with a transport circulation mechanism, continuous drying of fruits and vegetables can be achieved; by utilizing an air duct compensation system and a multi-air conveying system, uniform airflow inside the box is ensured, thereby improving the drying effect. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 A schematic diagram of the structure of the bidirectional convection fruit and vegetable drying box based on multi-flow field coordination provided for an embodiment of this utility model; Figure 2 An exploded view of the bidirectional convection fruit and vegetable drying box structure based on multi-flow field coordination provided in this embodiment of the utility model, excluding the support frame.

[0013] In the diagram: 11-Modular housing; 12-Transportation circulation mechanism; 20-Air duct compensation system; 30-Airflow circulation component; 21-Main compensation air duct; 22-Branch compensation air duct; 41-Pneumatic push rod; 42-Conveyor chain plate. Detailed Implementation

[0014] The embodiments of this application will now be described in detail with reference to the accompanying drawings.

[0015] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0016] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0017] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to welding, bolting, or riveting; they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances. Example

[0018] like Figure 1 and Figure 2 As shown, this embodiment provides a bidirectional convection fruit and vegetable drying box structure based on multi-flow field coordination, including: a multi-airbox module, consisting of multiple detachable modular boxes 11 and a transport circulation mechanism 12, each modular box 11 being detachably mounted on the transport circulation mechanism 12, and a first air delivery system provided on the modular box 11, the first air delivery system having a first inlet and a first outlet; an air duct compensation system 20, with an independent compensation air duct and a second inlet arranged along the edge of the modular box 11, the compensation air duct having a second outlet, the compensation air duct being connected to the first air delivery system of the modular box 11; an airflow circulation component 30, detachably connected to the first inlet and the second inlet, and detachably connected to the first outlet; a heating component, mounted on the airflow circulation component 30; and a temperature and humidity control component, installed inside each modular box 11, communicating with the airflow circulation component 30 and the heating component.

[0019] In this embodiment, the modular housing 11 of the multi-box module is made of 304 stainless steel with an appropriate wall thickness. The annular guide rail of the transport circulation mechanism 12 is made of H-shaped steel with a surface hardened finish; the drive chain is a precision roller chain capable of bearing the maximum weight of a single housing; the drive motor is a three-phase asynchronous motor equipped with a frequency converter to achieve stepless speed regulation.

[0020] Furthermore, the transport circulation mechanism 12 of the multi-box module includes an annular guide rail, a drive chain, and a drive motor. The annular guide rail has a closed loop structure, and the bottom of the modular box 11 is provided with rollers that slide in cooperation with the annular guide rail; the drive chain is sleeved on the outside of the annular guide rail and is fixedly connected to the bottom of the modular box 11; the drive motor is installed on one side of the annular guide rail, and the output shaft of the drive motor is connected to the drive chain for transmission.

[0021] In this embodiment, multiple sets of polyurethane rollers are installed at the bottom of the modular housing 11. The rollers have built-in double-row tapered roller bearings and can rotate freely 360°. The drive chain is welded and fixed to the bottom of the housing through an L-shaped stainless steel bracket. The drive motor is connected to the drive sprocket of the chain through a flexible coupling.

[0022] Furthermore, the compensation air duct of the air duct compensation system 20 includes a main compensation air duct 21 and a branch compensation air duct 22. The main compensation air duct 21 is arranged along the bottom and two sides of the modular housing 11 in a U-shaped structure; the branch compensation air duct 22 is connected to the main compensation air duct 21 and is arranged along the top side of the modular housing 11; a second inlet is located at one end of the main compensation air duct 21, and a second outlet is located in the middle of the branch compensation air duct 22. Guide vanes are provided at the intersection of the main compensation air duct 21 and the branch compensation air duct 22.

[0023] In this embodiment, both the main compensating air duct 21 and the branch compensating air duct 22 are formed by bending stainless steel plates of appropriate thickness; the guide vanes are adjustable and driven by an electric push rod; an air volume balancing valve is installed at the second inlet to precisely control the compensating air volume.

[0024] Furthermore, the airflow circulation assembly 30 includes a main fan, a circulation duct, and an airflow regulating valve. The main fan is installed on one side of the modular housing 11, and the air outlet of the main fan is connected to the first inlet and the second inlet; the circulation duct has a ring structure, with one end connected to the first outlet and the other end connected to the air inlet of the main fan; the airflow regulating valve is installed inside the circulation duct.

[0025] In this embodiment, a centrifugal fan is selected as the main fan; the circulating air duct is made of galvanized steel plate with a smooth inner wall to reduce air resistance; the air volume regulating valve is an electric butterfly valve, and the opening degree is controlled by PLC.

[0026] Furthermore, the heating components include a heat pump unit, an electric heating auxiliary device, and a temperature sensor. The heat pump unit is installed at the air outlet of the main fan and is used to heat the air entering the first and second inlets; the electric heating auxiliary device is installed in the circulating air duct and is connected in parallel with the heat pump unit; the temperature sensor is installed in the modular housing 11.

[0027] In this embodiment, the heat pump unit adopts an air source heat pump; the electric heating auxiliary device is a stainless steel finned heating tube, which is independently controlled in multiple groups; the temperature sensor is a PT100 model, which is arranged in the upper, middle and lower layers of the cabinet.

[0028] Furthermore, the temperature and humidity control components include a humidity sensor, a dehumidification device, and a humidification device. The humidity sensor is installed at the top inside the modular housing 11 and is used to detect the air humidity inside the modular housing 11. The dehumidification device is installed at the first outlet and includes a dehumidification fan and a dehumidification filter. The air inlet of the dehumidification fan is connected to the dehumidification filter, and the air outlet of the dehumidification fan is connected to the circulating air duct. The humidification device is installed at the bottom inside the modular housing 11 and includes an ultrasonic humidifier and a water tank. The water inlet of the ultrasonic humidifier is connected to the water tank, and the spray nozzle of the ultrasonic humidifier faces inward toward the modular housing 11.

[0029] In this embodiment, the humidity sensor can accurately measure the humidity range; the dehumidification fan is equipped with a specific air volume, and the dehumidification filter is a honeycomb molecular sieve filter; the ultrasonic humidifier is equipped with appropriate power, and the water tank is equipped with a float valve for automatic water replenishment.

[0030] In this embodiment, a pneumatic push rod 41 is also provided, and an inner side of an annular guide rail is provided. A conveyor chain plate 42 is provided at a position opposite to the pneumatic push rod 41 for receiving the processed modular bellows structure.

[0031] In summary, this utility model achieves continuous fruit and vegetable drying operations through the modular design of the multi-airbox module and the linkage of the transport circulation mechanism 12; it effectively solves the problem of uneven airflow inside the box by utilizing the air duct compensation system 20 and the multi-air conveying system; and the coordinated work of the heating component and the temperature and humidity control component ensures precise control of the drying process, significantly improving the efficiency and quality of fruit and vegetable drying.

[0032] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope described in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A bidirectional convection fruit and vegetable drying box structure based on multi-flow field coordination, characterized in that, include: The multi-airbox module consists of multiple detachable modular boxes (11) and a transport circulation mechanism (12). Each modular box (11) is detachably installed on the transport circulation mechanism (12). A first air delivery system is provided on the modular box (11), and the first air delivery system has a first inlet and a first outlet. The air duct compensation system (20) has an independent compensation air duct and a second inlet arranged along the edge of the modular box (11), the compensation air duct has a second outlet, and the compensation air duct is connected to the first air delivery system of the modular box (11). The airflow circulation assembly (30) is detachably connected to the first inlet and the second inlet, and detachably connected to the first outlet; A heating component is mounted on the airflow circulation component (30); The temperature and humidity control component is installed in each of the modular housings (11) and is connected in communication with the airflow circulation component (30) and the heating component.

2. The bidirectional convection fruit and vegetable drying box structure based on multi-flow field coordination according to claim 1, characterized in that, The transport circulation mechanism (12) of the multi-windbox module includes: The circular guide rail has a closed ring structure, and the bottom of the modular box (11) is provided with rollers that slide in cooperation with the circular guide rail; A drive chain is sleeved on the outside of the annular guide rail and is fixedly connected to the bottom of the modular housing (11). A drive motor is mounted on one side of the annular guide rail, and the output shaft of the drive motor is connected to the drive chain for transmission.

3. The bidirectional convection fruit and vegetable drying box structure based on multi-flow field synergy according to claim 2, characterized in that, The compensation duct of the duct compensation system (20) includes: The main compensation air duct (21) is arranged along the bottom and two sides of the modular box (11) in a U-shaped structure. Branch compensation air duct (22), the branch compensation air duct (22) is connected to the main compensation air duct (21), and the branch compensation air duct (22) is arranged along the top edge of the modular box (11); The second inlet is located at one end of the main compensation air duct (21), and the second outlet is located in the middle of the branch compensation air duct (22). Guide vanes are provided at the intersection of the main compensation air duct (21) and the branch compensation air duct (22).

4. The bidirectional convection fruit and vegetable drying box structure based on multi-flow field coordination according to claim 3, characterized in that, The airflow circulation assembly (30) includes: The main fan is installed on one side of the modular housing (11), and the air outlet of the main fan is connected to the first inlet and the second inlet; A circulating air duct, which has a ring structure, has one end connected to the first outlet and the other end connected to the air inlet of the main fan. An airflow regulating valve is installed inside the circulating air duct and is used to regulate the airflow rate inside the circulating air duct.

5. The bidirectional convection fruit and vegetable drying box structure based on multi-flow field coordination according to claim 4, characterized in that, The heating component includes: A heat pump unit is installed at the air outlet of the main fan and is used to heat the air entering the first inlet and the second inlet. An electric heating auxiliary device is installed inside the circulating air duct and is connected in parallel with the heat pump unit. A temperature sensor is installed inside the modular housing (11) and is electrically connected to the heat pump unit and the electric heating auxiliary device.

6. The bidirectional convection fruit and vegetable drying box structure based on multi-flow field coordination according to claim 5, characterized in that, The temperature and humidity control component includes: A humidity sensor is installed on the top inside the modular housing (11) and is used to detect the air humidity inside the modular housing (11); A dehumidification device is installed at the first outlet. The dehumidification device includes a dehumidification fan and a dehumidification filter. The air inlet of the dehumidification fan is connected to the dehumidification filter, and the air outlet of the dehumidification fan is connected to the circulating air duct. A humidification device is installed at the bottom inside the modular housing (11). The humidification device includes an ultrasonic humidifier and a water tank. The water inlet of the ultrasonic humidifier is connected to the water tank, and the spray nozzle of the ultrasonic humidifier faces into the modular housing (11).

Images