Bee pollen drying device

Abstract

The application provides a bee pollen drying device, and mainly relates to the technical field of pollen drying equipment. The bee pollen drying device comprises a sealed drying box, one side of the drying box is provided with a sealing door, a hot air circulation drying assembly is fixedly installed on one side of the drying box, a condensation and dehumidification assembly in communication with the inside of the drying box is arranged in the hot air circulation drying assembly, and a temperature control and adjustment control box for electrically connecting various electric components is further included. The device realizes forced flow of airflow in the box through hot air circulation, and greatly improves the drying efficiency in cooperation with double dehumidification of condensation and drying agent. The temperature control system accurately controls temperature and humidity, effectively retains the activity of bee pollen, the closed structure avoids external pollution, is not affected by weather, and can meet the needs of large-scale and standardized drying production of high-quality bee pollen.

Description

Technical Field

[0001] This invention relates to the field of pollen drying equipment technology, specifically a bee pollen drying device. Background Technology

[0002] Pollen is rich in amino acids, vitamins, minerals, and various bioactive substances, and is widely used in food, health products, cosmetics, and agricultural breeding. Freshly collected bee pollen typically has a moisture content between 20% and 30%, and is extremely prone to mold, deterioration, oxidative browning, and loss of biological activity during storage at room temperature. Therefore, it must be dried and dehydrated in a timely manner before processing and storage.

[0003] Currently, conventional methods for drying bee pollen mainly include natural air drying and simple oven drying. Natural air drying requires a large area, has a long drying cycle, is greatly affected by weather conditions, and is easily contaminated with dust, insects, and other impurities during the drying process, making it difficult to guarantee the hygiene and quality of the product. Ordinary electric ovens have poor air circulation, and moisture cannot be discharged in time, resulting in high humidity inside the oven, low drying efficiency, and uneven temperature distribution inside the oven, which can easily lead to local overheating and damage to the nutritional components of the pollen. They cannot meet the needs of large-scale, standardized drying production of high-quality bee pollen. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a bee pollen drying device, achieved through the following technical solution: A bee pollen drying device includes a drying chamber, which is a sealed chamber with a sealed door on one side; a hot air circulation drying assembly is fixedly installed on one side of the drying chamber, and a condensation dehumidification assembly connected to the inside of the drying chamber is provided in the hot air circulation drying assembly; it also includes a temperature control box for electrically connecting various electrical components.

[0005] Furthermore, the hot air circulation drying assembly includes a heating chamber, a return air duct, a hot air blower, and an air vent. The heating chamber is fixedly installed on one side of the drying chamber, and the condensation dehumidification assembly is disposed inside the heating chamber. The return air duct is integrally and fixedly installed on the top of the drying chamber and is fixedly connected to one side of the top of the drying chamber. Several evenly distributed hot air blowers are provided on one side of the return air duct. The air inlet of the hot air blower is connected to the return air duct, and the exhaust end of the hot air blower is connected to the interior of the heating chamber. An electric heating tube is provided inside the hot air blower. An air vent communicating with the interior of the drying chamber is opened at the bottom of one side of the heating chamber.

[0006] Furthermore, an air distribution plate is fixedly installed inside the air guide, and the surface of the air distribution plate is densely covered with ventilation holes.

[0007] Furthermore, the condensation dehumidification assembly includes a condensation heat exchanger and a dehumidification box. The condensation heat exchanger is fixedly installed inside the heating chamber by a bracket. The condensation heat exchanger is used to condense and dehydrate the humid air inside the heating chamber and then return it to the drying chamber. A dehumidification box with an open top surface is fixedly installed at the bottom of the inner wall of the heating chamber. The dehumidification box is filled with desiccant.

[0008] Furthermore, the inlet and outlet pipes of the condenser heat exchanger both penetrate the heating chamber and are fixedly connected to it.

[0009] Furthermore, a sealed inspection door is provided on one side of the heating chamber to facilitate the replacement of the desiccant.

[0010] Furthermore, the temperature control box includes a first temperature sensor and a first humidity sensor for detecting the temperature and humidity inside the drying box, and a second temperature sensor and a second humidity sensor are provided inside the heating box.

[0011] Compared with the prior art, the beneficial effects of the present invention are: 1. This device adopts a hot air circulation drying structure. The hot air is drawn out of the drying chamber by a hot air blower, heated and then sent back in, realizing forced air circulation in the chamber. Combined with the air distribution plate at the air guide, the hot air is evenly distributed in the drying chamber, avoiding the problems of local overheating or uneven drying, and greatly improving drying efficiency and product consistency.

[0012] 2. A dual dehumidification system combining condensation dehumidification and desiccant adsorption is set up. The circulating airflow first passes through the condenser heat exchanger to condense and precipitate most of the water vapor, and then the desiccant in the dehumidification box further adsorbs the residual moisture, effectively reducing the humidity of the circulating airflow, accelerating the evaporation rate of water in bee pollen, and shortening the drying cycle.

[0013] 3. The device adopts a closed structure, which completely isolates the drying process from the external environment, effectively preventing contamination by dust, insects and other impurities. At the same time, it is not affected by weather conditions and can achieve continuous production around the clock, meeting the needs of large-scale drying production of high-quality bee pollen. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a partial cross-sectional view of the drying oven of the present invention; Figure 3 This is a partial cross-sectional view of the heating box of the present invention; Figure 4 This is a side view of the drying oven of the present invention.

[0015] The markings shown in the attached diagram are as follows: 10, drying oven; 101, sealed door; 20, hot air circulation drying assembly; 201, heating chamber; 202, return air duct; 203, air vent; 204, hot air blower; 205, air distribution plate; 206, ventilation hole; 30, condensation dehumidification assembly; 301, condensation heat exchanger; 302, dehumidification box; 40, temperature control box; 401, first temperature sensor; 402, first humidity sensor; 403, second temperature sensor; 404, second humidity sensor. Detailed Implementation

[0016] The present invention will be further described in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the invention, and these equivalent forms also fall within the scope defined in this application.

[0017] Example: A bee pollen drying device like Figure 1-4 As shown, a bee pollen drying device has the following specific structure: The drying oven 10 is a rectangular, sealed chamber made of 304 stainless steel, offering excellent corrosion resistance and sealing performance. Its dimensions can be designed to meet production needs. A sealing door 101 is hinged to the front of the drying oven 10, and a high-temperature resistant silicone sealing strip is installed between the sealing door 101 and the drying oven 10 to ensure airtightness inside the chamber when closed. The interior of the drying oven 10 features multiple removable stainless steel shelves for holding trays containing bee pollen. The trays have a perforated design to facilitate airflow.

[0018] The hot air circulation drying assembly 20 is fixedly installed on the right side of the drying chamber 10, and includes a heating chamber 201, a return air duct 202, a hot air blower 204, and an air vent 203. The heating chamber 201 is a stainless steel sealed chamber, which is fixedly installed on the right side wall of the drying chamber 10 by bolts. Both the drying chamber 10 and the heating chamber 201 are provided with heat insulation layers on their outer sides. The return air duct 202 is integrally welded to the top of the drying chamber 10, with its left end connected to the right side of the top of the drying chamber 10 and its right end extending into the heating chamber 201. Several axial flow hot air blowers 204 are evenly installed on the top of the return air duct 202. The air inlet of the hot air blower 204 is connected to the inside of the return air duct 202, and the exhaust end extends into the inside of the heating chamber 201. Each hot air blower 204 is equipped with a stainless steel electric heating tube for heating the circulating airflow. An air guide vent 203 is opened at the bottom of the left side wall of the heating chamber 201. The air guide vent 203 is connected to the inside of the drying chamber 10, and the heated airflow re-enters the drying chamber 10 through the air guide vent 203.

[0019] An air distribution plate 205 is fixedly installed inside the air vent 203 by bolts. The air distribution plate 205 is made of stainless steel and has a number of ventilation holes 206 densely distributed on its surface. The ventilation holes 206 are evenly distributed in a matrix, which can evenly disperse the hot air in the heating box 201 and send it into the drying box 10, so that the temperature difference in various parts of the drying box 10 is controlled within a small range, and the phenomenon of uneven drying in some areas is avoided.

[0020] The condensation dehumidification assembly 30, located inside the heating chamber 201, includes a condensation heat exchanger 301 and a dehumidification box 302. The condensation heat exchanger 301 is a water-cooled shell-and-tube heat exchanger, horizontally fixed in the middle of the heating chamber 201 by a stainless steel bracket. Its inlet and outlet pipes penetrate the outer wall of the heating chamber 201 and are connected to an external cooling water circulation system. When a humid, hot airflow passes over the surface of the condensation heat exchanger 301, the water vapor in the airflow condenses into water droplets, thus achieving initial dehumidification of the airflow. The dehumidification box 302 is a stainless steel box with an open top, fixed to the inner bottom wall of the heating chamber 201 by bolts, located directly below the condensation heat exchanger 301. The dehumidification box 302 is filled with granular color-changing silica gel desiccant, which can adsorb the small amount of residual water vapor in the airflow after condensation dehumidification, achieving a dual dehumidification effect. The water droplets generated by condensation also drip into the dehumidification box 302 and are absorbed by the desiccant. The front of the heating chamber 201 is hinged with a sealed access door. Opening the access door allows for easy removal of the dehumidifier box 302 for desiccant replacement, and also facilitates cleaning and maintenance of the condenser heat exchanger 301.

[0021] The temperature control box 40 is bolted to the upper right corner of the front side of the drying chamber 10. It houses a PLC controller, a power module, and a relay module for controlling the operation of the entire device. A first temperature sensor 401 and a first humidity sensor 402 are installed in the middle of the inner wall of the drying chamber 10 to monitor the temperature and humidity inside in real time. A second temperature sensor 403 and a second humidity sensor 404 are installed on the upper inner wall of the heating chamber 201 to monitor the temperature and humidity inside. All sensors are electrically connected to the PLC controller. The PLC controller automatically adjusts the speed of the hot air blower 204 and the power of the electric heating element based on the detected temperature and humidity data, controlling the temperature inside the drying chamber 10 within a suitable range. This ensures drying efficiency while preventing high temperatures from damaging the bioactive components in the bee pollen. The surface of the temperature control box 40 also features an LCD touchscreen and operation buttons, facilitating the setting of drying parameters, viewing real-time operating status, and recording drying data.

[0022] The working principle of this device is as follows: In use, evenly spread the bee pollen to be dried in the perforated tray, controlling the thickness within a suitable range. Then, place the trays one by one on the shelf inside the drying chamber 10 and close the sealing door 101. Set the drying temperature, drying time, and other parameters via the touchscreen of the temperature control box 40, and start the device. The hot air blower 204 starts working, drawing the humid air from the drying chamber 10 through the return air channel 202, heating it through the electric heating tube, and then sending it into the heating chamber 201. The hot airflow first passes through the condenser heat exchanger 301, where most of the water vapor in the airflow condenses into water droplets and falls into the dehumidification box 302 below. After preliminary dehumidification, the airflow continues to flow downwards, where the silica gel desiccant in the dehumidification box 302 further adsorbs any remaining small amount of water vapor, becoming a low-humidity dry hot airflow. The dry hot airflow is evenly delivered into the drying chamber 10 through the air guide 203 and the air distribution plate 205, making full contact with the bee pollen and removing the moisture from it. This process is repeated until the moisture content of the bee pollen drops below the acceptable standard. During the drying process, the first temperature sensor 401, the first humidity sensor 402, the second temperature sensor 403, and the second humidity sensor 404 monitor the temperature and humidity data in real time and transmit them to the PLC controller. The PLC controller automatically adjusts the heating power and fan speed according to preset parameters to ensure the stable operation of the drying process. After drying is complete, the device automatically shuts down. Once the temperature inside the drying chamber 10 has dropped to room temperature, the sealed door 101 is opened, and the dried bee pollen can be removed.

[0023] The controller described in this solution is used to control the electrical components used in this solution. It is also used in conjunction with a motherboard, memory modules, storage media, and a power supply, which is AC power. When a display screen is included, a graphics card is also included. For the operating principle of the controller, please refer to "Automatic Control Principles," "Microcontroller Principles and Application Simulation Cases," and "Sensor Principles and Applications" published by Tsinghua University Press. Other books in this field can also be consulted. Other automation control and electrical components not mentioned are knowledge well-known to those skilled in the art and will not be elaborated upon here.

[0024] In explaining this invention, it should be noted that the terms indicating location are used only for ease of description and understanding, and are not intended to limit the installation location of specific technical features. Other possible installation methods are not excluded.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A bee pollen drying device, characterized in that: The equipment includes a drying chamber (10), which is a sealed chamber, and a sealing door (101) is provided on one side of the drying chamber (10); a hot air circulation drying assembly (20) is fixedly installed on one side of the drying chamber (10), and a condensation dehumidification assembly (30) connected to the inside of the drying chamber (10) is provided in the hot air circulation drying assembly (20); and a temperature control box (40) for electrically connecting various electrical components is also included.

2. The bee pollen drying device according to claim 1, characterized in that: The hot air circulating drying assembly (20) includes: Heating chamber (201), the heating chamber (201) is fixedly installed on one side of the drying chamber (10), and the condensation dehumidification component (30) is set inside the heating chamber (201); Return air duct (202): The top of the drying box (10) is integrally fixedly installed with the return air duct (202) and fixedly connected to one side of the top of the drying box (10). Air vent (203): An air vent (203) communicating with the interior of the drying box (10) is provided at the bottom of one side of the heating box (201). Hot air blower (204): Several hot air blowers (204) are evenly distributed on one side of the return air channel (202). The air inlet of the hot air blower (204) is connected to the return air channel (202), and the exhaust end of the hot air blower (204) is connected to the interior of the heating box (201).

3. The bee pollen drying device according to claim 2, characterized in that: The air guide (203) is fixedly installed with an air distribution plate (205), and the surface of the air distribution plate (205) is densely provided with ventilation holes (206).

4. The bee pollen drying apparatus according to claim 2, characterized in that: The condensation dehumidification component (30) includes: A condensing heat exchanger (301) is fixedly installed in the heating box (201) by a bracket. The condensing heat exchanger 301 is used to condense and dehydrate the humid air in the heating box (201) and return it to the drying box (10). A dehumidifier box (302) is fixedly installed on the bottom of the inner wall of the heating box (201) with an opening on the top surface. The dehumidifier box (302) is filled with desiccant.

5. A bee pollen drying apparatus according to claim 4, characterized in that: The inlet and outlet pipes of the condenser heat exchanger (301) both pass through the heating box (201) and are fixedly connected to it.

6. The bee pollen drying apparatus according to claim 5, characterized in that: A sealed inspection door is provided on one side of the heating chamber (201).

7. The bee pollen drying apparatus according to claim 1, characterized in that: The temperature control box (40) includes a first temperature sensor (401) and a first humidity sensor (402) for detecting the temperature and humidity inside the drying box (10). The heating box (201) is equipped with a second temperature sensor (403) and a second humidity sensor (404).

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