Ganoderma lucidum spore powder sterilization device and sterilization process thereof
By using intermittent jet steam and room temperature air combined with pure nitrogen in the Ganoderma lucidum spore powder sterilization device, the problems of incomplete sterilization and high energy consumption of Ganoderma lucidum spore powder were solved, and the activity of Ganoderma lucidum spores was maintained while achieving energy saving.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- LONGQUAN KANGYUAN BIOTECHNOLOGY CO LTD
- Filing Date
- 2026-01-22
- Publication Date
- 2026-04-17
AI Technical Summary
In the existing technology, the sterilization process of Ganoderma lucidum spore powder has problems such as incomplete sterilization, high energy consumption, and loss of Ganoderma lucidum spore activity.
The Ganoderma lucidum spore powder sterilization device uses multiple closed containers rotating inside a cylinder. It controls the humidity and temperature inside the container by intermittently spraying steam and room temperature air combined with pure nitrogen gas, and performs short-term rapid heating and cooling to maintain the activity of Ganoderma lucidum spores and destroy microorganisms.
It achieves sterilization at a lower temperature and in a shorter time, maintaining the activity of Ganoderma lucidum spores, and also achieves energy saving.
Smart Images
Figure CN121868529A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to a sterilization device for Ganoderma lucidum spore powder and its sterilization process. Background Technology
[0002] In existing technologies, Ganoderma lucidum spore powder is generally killed by heating for several hours to kill microorganisms in the material. This method has the following shortcomings: continuous heating will cause the overall temperature of Ganoderma lucidum spores to rise, causing the Ganoderma lucidum spores to lose their activity and the effective ingredients to begin to degrade. Meanwhile, the microorganisms may be induced to develop a heat resistance reaction, resulting in incomplete killing. On the other hand, long-term heating also leads to high energy consumption. Summary of the Invention
[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a Ganoderma lucidum spore powder sterilization device and sterilization process that can maintain the activity of Ganoderma lucidum spores during sterilization and is more efficient and energy-saving.
[0004] The technical solution of the present invention is: a Ganoderma lucidum spore powder sterilization device, comprising a cylinder and a plurality of closed containers disposed within the cylinder, wherein the cylinder is rotatably connected to a base, and the material to be sterilized is disposed within each container; Each of the containers is evenly distributed within the cylinder along the axial direction of the cylinder, with a distance maintained between the two ends of each container and the two ends of the cylinder, and a distance maintained between each container; One end of the cylinder is densely covered with nozzles, each nozzle being connected to a steam generator and a blower, and the other end of the cylinder is provided with an exhaust port; Each nozzle intermittently injects steam into the container, and between each steam injection, each nozzle injects room temperature air into the container. Each of the containers is also provided with an air inlet and an air outlet at one end. The air inlet is connected to a conduit that extends into the container. One end of the conduit extends into the other end of the container and maintains a distance from the inner wall of the container.
[0005] Furthermore, each of the containers is cylindrical, and a screw cap is screwed to one end of each container. The air inlet and air outlet are located on the screw cap.
[0006] Furthermore, the cylindrical body shown is provided with a first support and a second support corresponding to each container. The first support and the second support each include an outer ring body and a plurality of limiting rings corresponding to each container. The outer ring body and each limiting ring, as well as each limiting ring, are connected by connecting rods.
[0007] Furthermore, each of the containers is also arrayed with heat exchange fins on its outer periphery.
[0008] Furthermore, the container also has two protruding rings corresponding to each limiting ring. The two protruding rings are respectively disposed on the container at both ends of each heat exchange fin. After the container is placed into the cylinder, the two protruding rings abut against the two corresponding limiting rings respectively.
[0009] Furthermore, the cylinder body has fixing rings corresponding to the first bracket and the second bracket respectively, and the limiting rings of the first bracket and the second bracket are fixed to the two fixing rings respectively.
[0010] Furthermore, a guide plate is provided between the first support and the closed end of the container, and the guide plate is densely covered with guide holes.
[0011] Furthermore, a cap is fixed to one end of the cylinder, the exhaust port is located on the cap, a pair of hanging lugs are provided on the outer side of the cylinder, and a support foot is provided on the outer side of the closed end of the cylinder.
[0012] Furthermore, a rotary joint is provided at one closed end of the cylinder and at the exhaust port. One end of the rotary joint at the closed end of the cylinder is connected to each nozzle through a connecting pipe, and the other end of the rotary joint at the closed end of the cylinder is connected to the steam generator and the blower through an electric three-way valve and a pipeline, respectively. The electric three-way valve controls the switching between steam and room temperature air sprayed by each nozzle. An electric three-way valve is also provided on the pipeline connected to the rotary joint at the exhaust port. One port of the electric three-way valve is connected to the steam generator through a pipeline. When each nozzle sprays steam into the cylinder, the electric three-way valve guides the steam discharged from the exhaust port back into the steam generator.
[0013] A sterilization process for a Ganoderma lucidum spore powder sterilization device includes the following steps: Step 1: Slowly inject pure nitrogen into the container and squeeze out the oxygen-containing air in the container to make the material in the container an anaerobic or low-oxygen environment, so as to prevent the Ganoderma lucidum spores from activating and germinating when the container is initially heated and keep the Ganoderma lucidum spores in a dormant state. Step 2: Inject steam into the container to bring the humidity inside the container to 60-80%RH and the temperature to 60-80℃, and maintain this state for 15-20 minutes. Under this state, the microorganisms in the material inside the container will fully absorb water and their cell membranes will swell. Step 3: Perform multiple short heating cycles on the container, followed by rapid cooling. Each heating cycle lasts 10-30 seconds, with the heating medium temperature at 90-110℃, ensuring the actual temperature of the material inside the container does not exceed 80℃. Set a 30-90 second cooling interval between adjacent heating cycles to disrupt the heat adaptability of microorganisms and reduce heat loss to the Ganoderma lucidum spore structure. After each cooling cycle, reduce the temperature inside the container to 35-45℃. In step three, the container is also slowly rotated to ensure that the heat and moisture inside the container are evenly distributed within the container, rather than accumulating in certain areas, in order to improve the consistency of sterilization. Step 4: After the material sterilization is completed, remove the material from the container and dry it at a low temperature.
[0014] The beneficial effects of this invention are as follows: This invention is designed based on the differences in water absorption capacity and heat resistance of microorganisms and Ganoderma lucidum spores in a dormant state, aiming to kill microorganisms by altering their living environment. First, humidity is used to weaken the heat resistance of microorganisms, causing their cell membranes to absorb water and swell. Then, intermittent rapid heating and cooling are used to fatigue and damage the cell membranes of the microorganisms, thereby rapidly inactivating the microorganisms in the material. Sterilization of the material can be completed at a lower temperature and in a shorter time, effectively maintaining the activity of the Ganoderma lucidum spores. Furthermore, since this sterilization process does not require prolonged high-temperature environments, it also achieves energy conservation.
[0015] The material is placed in a closed container, which facilitates the initial injection of pure nitrogen and steam into the container to maintain the dormant state of the Ganoderma lucidum spores and allow the microorganisms to fully absorb water and expand their cell membranes. On the other hand, when the material is rapidly heated and cooled, the external airflow will not disturb the material in the container, nor will it blow the material out of the container. The conduit extending into the bottom of the container allows the oxygen-containing air inside the container to be squeezed out as much as possible when pure nitrogen is introduced, and allows the hot and humid gas to come into full contact with the material when steam is introduced later. The materials are placed in multiple containers, resulting in more uniform and rapid heating and cooling of the materials; Multiple containers are placed in the same cylinder, which can drive each container to rotate. The steam inside the containers can also be easily recovered, which is beneficial for energy saving. When the cylinder slowly rotates the container, the moisture and heat inside the container are evenly distributed within the container, rather than accumulating in certain areas, thus improving the consistency of sterilization. In addition, the Ganoderma lucidum spore powder sterilization device with the above structure also has the advantages of simple construction and relatively low manufacturing cost. Attached Figure Description
[0016] Figure 1 This is a cross-sectional view of the present invention; Figure 2 This is a cross-sectional view of the container in this invention; Figure 3 This is a cross-sectional view of the invention from another direction; Figure 4 This is a schematic diagram of the container structure in this invention; Figure 5 This is a schematic diagram of the structure of the present invention.
[0017] In the diagram: 1. Cylinder body; 2. Container; 3. Base body; 4. Nozzle; 5. Exhaust port; 6. Air inlet; 7. Air outlet; 8. Conduit; 9. Cap; 10. First support; 11. Second support; 12. Outer ring; 13. Limiting ring; 14. Connecting rod; 15. Heat exchange fins; 16. Convex ring; 17. Fixing ring; 18. Guide plate; 19. Cylinder cover; 20. Hanging lug; 21. Support foot; 22. Rotary joint; 23. Roller seat; 24. Support roller; 25. Gear motor. Detailed Implementation
[0018] The technical solution of the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings.
[0019] Combination Figure 1-5 As shown, a Ganoderma lucidum spore powder sterilization device includes a cylinder 1 and a plurality of closed containers 2 disposed inside the cylinder 1. The cylinder 1 is rotatably connected to a base 3, and the material to be sterilized is disposed in each container 2. Each of the containers 2 is evenly distributed inside the cylinder 1 along the axial direction of the cylinder 1, and the two ends of each container 2 and the two ends of the cylinder 1 are respectively kept at a distance, and the containers 2 are kept at a distance from each other. One end of the cylinder 1 is densely covered with nozzles 4, each nozzle 4 is connected to a steam generator and a blower respectively, and the other end of the cylinder 1 is provided with an exhaust port 5; Each nozzle 4 intermittently injects steam into the container 2, and between each steam injection, each nozzle 4 injects room temperature air into the container 2 to repeatedly heat and cool the container 2. Each of the containers 2 is also provided with an air inlet 6 and an air outlet 7 at one end. A conduit 8 extending into the container 2 is connected to the air inlet 6. One end of the conduit 8 extends into the other end of the container 2 and maintains a distance from the inner wall of the container 2 so that when pure nitrogen is initially introduced, the oxygen-containing air in the container 2 can be squeezed out as much as possible, and the humid and hot gas can be fully contacted with the material when steam is introduced later.
[0020] A sterilization process for a Ganoderma lucidum spore powder sterilization device includes the following steps: Step 1: Slowly inject pure nitrogen into the container and squeeze out the oxygen-containing air in the container to make the material in the container an anaerobic or low-oxygen environment, so as to prevent the Ganoderma lucidum spores from activating and germinating when the container is initially heated and keep the Ganoderma lucidum spores in a dormant state. Step 2: Inject steam into the container to bring the humidity inside the container to 60-80%RH and the temperature to 60-80℃, and maintain this state for 15-20 minutes. Under this state, the microorganisms in the material inside the container will fully absorb water and their cell membranes will swell. Step 3: Heat the container four to six times for short periods, followed by rapid cooling after each heating. Each heating period should last 10-30 seconds, with the heating medium temperature at 90-110℃, ensuring the actual temperature of the material inside the container does not exceed 80℃. Set a 30-90 second cooling interval between adjacent heating processes to disrupt the heat adaptability of microorganisms and reduce heat loss to the Ganoderma lucidum spore structure. After each cooling, the temperature inside the container should be reduced to 35-45℃. The microorganisms had absorbed enough water beforehand. During this process, the microorganisms repeatedly experienced heating-cell membrane softening and expansion, cooling-cell membrane re-contraction. Under repeated hot and cold stimulation, the cell membranes of the microorganisms became fatigued and damaged. Because the interval between hot and cold alternation was short, the microorganisms' repair mechanism did not have time to start. Furthermore, because the temperature was maintained at around 40°C after the temperature dropped, the enzyme activity of the microorganisms had not fully recovered, ultimately causing the microorganisms to lose their activity. Because Ganoderma lucidum spores are always in an environment unsuitable for germination and remain in a dormant state, their multi-layered dense structure firmly encapsulates the core and has extremely low water content, which can resist the entry of water and short-term high temperatures. Therefore, the structure of Ganoderma lucidum spores will not be destroyed during the sterilization process, thus maintaining their activity. In step three, the container is also slowly rotated to ensure that the heat and moisture inside the container are evenly distributed within the container, rather than accumulating in certain areas, in order to improve the consistency of sterilization. Step 4: After the material sterilization is completed, remove the material from the container and dry it at a low temperature.
[0021] The beneficial effects of the above structure are as follows: Based on the differences in water absorption capacity and heat resistance of microorganisms and Ganoderma lucidum spores in a dormant state, the structure first uses humidity to further weaken the heat resistance of microorganisms, and then combines intermittent rapid heating and cooling to fatigue and damage the cell membranes of microorganisms, thereby rapidly inactivating the microorganisms in the material. The material can be sterilized at a lower temperature and in a shorter time, while effectively maintaining the activity of Ganoderma lucidum spores. Furthermore, since the sterilization process does not need to be carried out in a high-temperature environment for a long time, it also achieves the purpose of energy saving.
[0022] The material is placed in a closed container 2. On the one hand, it is convenient to inject pure nitrogen and steam into the container 2 at the beginning to maintain the dormant state of Ganoderma lucidum spores and allow microorganisms to fully absorb water and expand their cell membranes. On the other hand, when the material is rapidly heated and cooled, the external airflow will not disturb the material in the container 2, nor will it blow the material in the container 2 out. The conduit 8 extending into the bottom of container 2 can squeeze out as much oxygen-containing air as possible in container 2 when pure nitrogen is introduced, and ensure that the hot and humid gas comes into full contact with the material when steam is introduced later. The materials are placed in multiple containers 2, which makes the heating and cooling of the materials more uniform and rapid. Multiple containers 2 are set inside the same cylinder 1. The cylinder 1 can drive each container 2 to rotate, and the steam inside the container 2 can be easily recovered, which is beneficial to energy saving. When the cylinder 1 drives the container 2 to rotate slowly, the moisture and heat inside the container 2 are evenly distributed inside the container 2, rather than accumulating in certain areas, so as to improve the consistency of sterilization. In addition, the Ganoderma lucidum spore powder sterilization device with the above structure also has the advantages of simple construction and relatively low manufacturing cost.
[0023] In another embodiment, combined Figure 1 and Figure 2 As shown, each of the containers 2 is cylindrical to make full use of the space inside the cylinder 1. Each of the containers 2 is screwed with a cap 9 at one end. The air inlet 6 and the air outlet 7 are provided on the cap 9 to facilitate the placement or removal of materials into or from the container 2.
[0024] In another embodiment, combined Figure 1 and Figure 3 As shown, the cylindrical body 1 is provided with a first support 10 and a second support 11 corresponding to each container 2. The first support 10 and the second support 11 both include an outer ring body 12 and a plurality of limiting rings 13 corresponding to each container 2. The outer ring body 12 and each limiting ring 13 are connected to each other and to each limiting ring 13 are connected by connecting rods 14 to minimize the obstruction to the passage of steam or room temperature air.
[0025] In another embodiment, combined Figure 1 , Figure 3 and Figure 4 As shown, each of the containers 2 is also arrayed with heat exchange fins 15 on its outer periphery to improve the heat exchange efficiency of the container 2, thereby making the container 2 easier to heat up and cool down.
[0026] In another embodiment, combined Figure 1 , Figure 2 and Figure 4 As shown, the container 2 also has two protruding rings 16 corresponding to each limiting ring 13. The two protruding rings 16 are respectively disposed on the container 2 at both ends of each heat exchange fin 15. After the container 2 is placed into the cylinder 1, the two protruding rings 16 abut against the two corresponding limiting rings 13 to provide reliable support for the container 2. The outer side of each heat exchange fin 15 is located on the outer periphery of the two limiting rings 13.
[0027] In another embodiment, such as Figure 1As shown, the cylinder 1 has fixing rings 17 corresponding to the first support 10 and the second support 11 respectively. The limiting rings 13 of the first support 10 and the second support 11 are fixed to the two fixing rings 17 respectively. When the container 2 is put into the cylinder 1, the first support 10 is installed first, then the cylinder 1 is stood up, and the lower end of each container 2 is inserted into the limiting rings 13 on the first support 10 in sequence. Then the second support 11 is installed and fixed so that the upper end of each container 2 passes through the limiting holes on the second support 11 respectively, thus completing the installation and fixing of each container 2.
[0028] In another embodiment, such as Figure 1 As shown, a guide plate 18 is also provided between the closed ends of the first support 10 and the container 2. The guide plate 18 is densely covered with guide holes, so that the steam or room temperature air sprayed from each nozzle 4 is sprayed more evenly onto each container 2.
[0029] In another embodiment, combined Figure 1 and Figure 5 As shown, a cylinder cover 19 is fixed to one end of the cylinder body 1, and an exhaust port 5 is provided on the cylinder cover 19 to facilitate the placement or removal of each container 2. A pair of hanging lugs 20 are also provided on the outer side of the cylinder body 1, and a support foot 21 is also provided on the outer side of the closed end of the cylinder body 1.
[0030] In another embodiment, combined Figure 1 and Figure 5 As shown, a rotary joint 22 is provided on the closed end of the cylinder 1 and the exhaust port 5 respectively. One end of the rotary joint 22 on the closed end of the cylinder 1 is connected to each nozzle 4 through a connecting pipe, and the other end of the rotary joint 22 on the closed end of the cylinder 1 is connected to the steam generator and the blower through an electric three-way valve and a pipeline respectively. The electric three-way valve controls the switching between steam and room temperature air sprayed from each nozzle 4.
[0031] In another embodiment, an electric three-way valve is also provided on the pipe connected to the rotary joint 22 on the exhaust port 5. One port of the electric three-way valve is connected to the steam generator through a pipe. When each nozzle 4 injects steam into the cylinder 1, the electric three-way valve guides the steam discharged from the exhaust port 5 back into the steam generator to reduce energy consumption.
[0032] In another embodiment, such as Figure 5 As shown, the base 3 is provided with two pairs of roller seats 23, and support rollers 24 are rotatably connected to the two pairs of roller seats 23 respectively. A reduction motor 25 is provided on the outside of one of the roller seats 23. The output shaft of the reduction motor 25 is connected to the transmission shaft of the adjacent pair of support rollers 24. The cylinder 1 is mounted on the two pairs of support rollers 24. The reduction motor 25 drives the pair of support rollers 24 to rotate, thereby driving the cylinder 1 to rotate.
Claims
1. A sterilization device for Ganoderma lucidum spore powder, characterized in that, It includes a cylindrical body (1) and multiple closed containers (2) disposed inside the cylindrical body (1). The cylindrical body (1) is rotatably connected to a base (3), and the material to be sterilized is disposed in each container (2). Each of the containers (2) is evenly distributed in the cylinder (1) along the axial direction of the cylinder (1), and the two ends of each container (2) and the two ends of the cylinder (1) are respectively kept at a distance, and the containers (2) are kept at a distance from each other; One end of the cylinder (1) is densely covered with nozzles (4), each nozzle (4) is connected to a steam generator and a blower respectively, and the other end of the cylinder (1) is provided with an exhaust port (5); Each of the nozzles (4) intermittently injects steam into the container (2), and between each steam injection, each nozzle (4) injects room temperature air into the container (2); Each of the containers (2) is also provided with an air inlet (6) and an air outlet (7) at one end. The air inlet (6) is connected to a conduit (8) that extends into the container (2). One end of the conduit (8) extends into the other end of the container (2) and maintains a distance from the inner wall of the container (2).
2. The Ganoderma lucidum spore powder sterilization device as described in claim 1, characterized in that, Each of the containers (2) is cylindrical, and a screw cap (9) is screwed to one end of each of the containers (2). The air inlet (6) and the air outlet (7) are located on the screw cap (9).
3. The Ganoderma lucidum spore powder sterilization device as described in claim 2, characterized in that, The cylindrical body (1) shown is provided with a first support (10) and a second support (11) corresponding to each container (2). The first support (10) and the second support (11) each include an outer ring body (12) and a plurality of limiting rings (13) corresponding to each container (2). The outer ring body (12) and each limiting ring (13) are connected to each other and to each limiting ring (13) through connecting rods (14).
4. The Ganoderma lucidum spore powder sterilization device as described in claim 3, characterized in that, Each of the containers (2) is also provided with heat exchange fins (15) arranged on its outer periphery.
5. The Ganoderma lucidum spore powder sterilization device as described in claim 4, characterized in that, The container (2) also has two convex rings (16) corresponding to each limiting ring (13). The two convex rings (16) are respectively set on the container (2) at both ends of each heat exchange fin (15). After the container (2) is placed into the cylinder (1), the two convex rings (16) abut against the two corresponding limiting rings (13).
6. The Ganoderma lucidum spore powder sterilization device as described in claim 5, characterized in that, The cylinder (1) has fixing rings (17) corresponding to the first bracket (10) and the second bracket (11) respectively. The limiting rings (13) of the first bracket (10) and the second bracket (11) are fixed to the two fixing rings (17) respectively.
7. The Ganoderma lucidum spore powder sterilization device as described in claim 6, characterized in that, A guide plate (18) is provided between the closed ends of the first support (10) and the container (2), and the guide plate (18) is densely covered with guide holes.
8. The Ganoderma lucidum spore powder sterilization device as described in claim 7, characterized in that, One end of the cylinder (1) is fixed with a cylinder cover (19), the exhaust port (5) is set on the cylinder cover (19), a pair of hanging ears (20) are provided on the outside of the cylinder (1), and a support foot (21) is provided on the outside of the closed end of the cylinder (1).
9. The Ganoderma lucidum spore powder sterilization device as described in claim 8, characterized in that, Rotary joints (22) are provided on the closed end of the cylinder (1) and the exhaust port (5). One end of the rotary joint (22) on the closed end of the cylinder (1) is connected to each nozzle (4) through a connecting pipe. The other end of the rotary joint (22) on the closed end of the cylinder (1) is connected to the steam generator and the blower through an electric three-way valve and a pipeline respectively. The electric three-way valve controls the switching between steam and room temperature air sprayed by each nozzle (4). An electric three-way valve is also provided on the pipeline connected to the rotary joint (22) on the exhaust port (5). One interface of the electric three-way valve is connected to the steam generator through a pipeline. When each nozzle (4) sprays steam into the cylinder (1), the electric three-way valve guides the steam discharged from the exhaust port (5) back into the steam generator.
10. A sterilization process for a Ganoderma lucidum spore powder sterilization device as described in any one of claims 1-9, characterized in that, Includes the following steps: Step 1: Slowly inject pure nitrogen into the container and squeeze out the oxygen-containing air in the container to make the material in the container an oxygen-free or low-oxygen environment, so that the Ganoderma lucidum spores remain in a dormant state. Step 2: Inject steam into the container to bring the humidity inside the container to 60-80%RH and the temperature to 60-80℃, and maintain this state for 15-20 minutes. Under this state, the microorganisms in the material inside the container will fully absorb water and their cell membranes will swell. Step 3: Perform multiple short heating cycles on the container, followed by rapid cooling. Each heating cycle lasts 10-30 seconds, with the heating medium temperature at 90-110℃, ensuring the actual temperature of the material inside the container does not exceed 80℃. Set a 30-90 second cooling interval between adjacent heating cycles to disrupt the heat adaptability of microorganisms and reduce heat loss to the Ganoderma lucidum spore structure. After each cooling cycle, reduce the temperature inside the container to 35-45℃. During this process, the container is also slowly rotated to ensure that the heat and moisture inside the container are evenly distributed within the container, rather than accumulating in certain areas, in order to improve the consistency of sterilization. Step 4: After the material sterilization is completed, remove the material from the container and dry it at a low temperature.