Multifunctional jasmine flower processing device and processing method thereof

By designing a multi-functional jasmine flower processing device, precise control of temperature, humidity, and oxygen is achieved, solving the problems of high labor intensity, insufficient aroma release, and low aroma utilization rate in jasmine tea processing, thereby improving the comprehensive utilization value and product quality of jasmine flowers.

CN121003255APending Publication Date: 2025-11-25GUANGXI SUBTROPICAL CROPS RESEARCH INSTITUTE(GUANGXI SUBTROPICAL AGRICULTURAL PRODUCTS PROCESSING RESEARCH INSTITUTE)
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Patent Information

Application Number
CN202511238693.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-01
Publication Date
2025-11-25

AI Technical Summary

Technical Problem

The existing jasmine tea processing technology is complicated, labor-intensive, and has high labor costs. The jasmine flowers do not fully release their fragrance, and the quality of the fragrance gradually decreases with the scenting time. The utilization rate of the fragrance is low, and the waste of flower residue is serious. In addition, traditional equipment cannot accurately control the temperature, humidity and oxygen content, which leads to the flowers losing water and the fragrance dissipating.

Method used

Design a multifunctional jasmine flower processing device, including a processing chamber, a gas condensation device, an air circulation pump, and a central integrated control system. By precisely controlling the temperature, humidity, and oxygen content, the device achieves optimal environmental conditions during the preservation, scenting, and drying of fresh flowers. Combined with the gas condensation device, the device recovers the aroma, isolates the scenting process from the flower drying process, and improves the aroma concentration and freshness.

Benefits of technology

Extending the fragrance release time of fresh flowers increases the concentration and freshness of the aroma, enabling efficient utilization of jasmine flowers, reducing labor intensity and costs, improving the comprehensive utilization value of jasmine flowers, resulting in a high aroma recovery rate and excellent product quality.

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Abstract

The invention discloses a multifunctional jasmine flower processing device and a processing method thereof, and the device comprises a processing bin, a liquid storage tank, an oxygen generator, a gas condensing device and an air circulating pump. According to the device disclosed by the invention, moisture, aroma substances and the like in the gas in the processing bin are condensed into liquid containing the aroma substances through the gas condensing device, so that the aim of recycling aroma is fulfilled. By arranging the carbon dioxide filtering device and the oxygen generator, carbon dioxide generated by the breathing action of fresh flowers in the filtering box body and oxygen generated by the oxygen generator can be filtered, so that the concentration of carbon dioxide in the processing bin is reduced, sufficient oxygen is provided for the breathing action of the fresh flowers, and the breathing action of the fresh flowers is prevented from being inhibited due to too high carbon dioxide concentration and oxygen deficit; therefore, the fragrance release time of the fresh flowers is prolonged, and the fragrance concentration and freshness are improved. By installing the heating assembly and the refrigerating device, the temperature adjustable range is wide, and flower growing and scenting can be achieved at medium and low temperature, and fresh flowers can be dried at high temperature. The matched processing method of the device can realize flower maintenance, isolated scenting of jasmine tea, flower drying and aroma recovery in the process, and improves the comprehensive utilization value of jasmine.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of agricultural product processing, and particularly relates to a multifunctional jasmine flower processing device and a processing method thereof. BACKGROUND

[0002] At present, most of the jasmine tea processing still adopts the traditional processing technology, and the basic processing technological process includes tea base treatment, fresh flower maintenance, jasmine processing, flower passing, pile collection and continuous jasmine processing, flower picking, baking and the like, and the jasmine processing and multiple re-firing are required, the process is complicated, the production cycle is long, the labor intensity is large, and the labor cost is high. Secondly, the traditional jasmine processing process requires the tea base and the jasmine fresh flower to be fully mixed and contacted, and since the moisture content of the tea base is much lower than that of the jasmine fresh flower, the water in the fresh flower will migrate to the tea base in the process of tea flower contact, and the fresh flower will gradually lose water, and its activity will decrease, thereby causing the jasmine fresh flower to shorten the jasmine processing time and reduce the jasmine processing quality. Furthermore, since the jasmine processing environment is usually high temperature and high humidity, and the internal oxygen deficiency of the tea pile will make the flower fragrance turbid and thick, and even cause the fermentation smell, thereby significantly reducing the fresh fragrance of the jasmine tea fragrance, and affecting the jasmine tea quality. In addition, the traditional jasmine tea processing is carried out in an open workshop, and only a small part of the fragrance released by the fresh flower in the flower maintenance and jasmine processing stages is adsorbed by the tea leaves, and most of the fragrance is lost with the air, and the utilization rate of the fresh flower fragrance is extremely low. In addition, the jasmine flower separated after the jasmine processing has withered and turned yellow, and even has a rancid smell and a fermentation smell, and has a low value for reuse, and finally becomes flower residue and is abandoned, that is, the current jasmine tea processing has problems such as high labor intensity, high labor cost, insufficient jasmine fresh flower processing, gradually decreasing jasmine processing quality with the jasmine processing time, low fragrance utilization rate, and waste of flower residue resources.

[0003] The patent application file with the publication number CN102690725A discloses a new type of fragrance recovery process and equipment, and the equipment includes a sealed oven, a temperature controller, a pressurization system and a fragrance recovery system. According to the process, hot air is blown into the sealed box by a blower to heat and pressurize, then the valve is opened to allow the outflow of the gas with fragrance to spray the vaporized solvent, and the gas-gas extraction is carried out. After cooling, the extraction liquid is obtained, the extraction liquid is heated to gasify the solvent, and then mixed with the gas discharged from the oven for extraction. The concentrated fragrance oil is obtained by repeating the above steps. The equipment does not have an oxygen generator, a refrigeration device, a humidifying device, a movable jasmine processing rack and the like, and can only recover the fragrance to prepare the fragrance oil, and cannot realize the multiple functions of flower maintenance, isolation jasmine processing, fresh flower drying and the like.

[0004] The patent application file with publication number CN119896271A discloses a jasmine tea clean production process, which includes the following steps: S1, ultrasonic treatment and ozone activation treatment of fresh jasmine flowers; S2, mixing the treated jasmine flowers with tea leaves, and using a partitioned dynamic gas phase regulation system for multi-stage enfleurage; S3, capturing the unabsorbed aromatic components in the enfleurage tail gas by molecular sieve adsorption and condensation recovery technology, and recycling and injecting into the enfleurage chamber; S4, using a combined drying process of microwave drying, infrared drying and vacuum drying for the tea leaves after enfleurage; and using water extraction and alcohol precipitation or fermentation conversion for the remaining flowers after enfleurage. This method cannot control the optimal temperature, humidity, oxygen content and other environmental conditions of fresh flowers, and the fresh flowers gradually lose water due to the absorption of water by tea leaves during mixed enfleurage, which cannot prolong the jasmine time of fresh flowers and improve the quality of fragrance release.

[0005] The patent application file with publication number CN109043043A discloses a jasmine tea automatic jasmine enfleurage machine and enfleurage method. The machine is installed with a circulating net belt conveyor, a fan and a heating and humidifying device in the cavity, which can realize precise control of temperature, humidity and material flow. The machine still uses the method of mixing jasmine tea for enfleurage, which cannot avoid the loss of water of fresh flowers due to contact with tea leaves, thereby shortening the jasmine time of fresh flowers and reducing the quality of fragrance release.

[0006] The patent application file with publication number CN221510867U discloses a jasmine tea isolation enfleurage machine. The machine can realize precise control of temperature, humidity and oxygen content of the flower growing box, and collection of jasmine fragrance, and release the fragrance into the enfleurage box by controlling the valve between the fragrance storage container and the enfleurage box, thereby realizing isolation enfleurage of tea leaves. However, the machine is composed of a flower growing box, a fragrance storage container and an enfleurage box, which requires a large space. Due to the limited volume of the fragrance storage container, the collection of jasmine fragrance is not complete, and the jasmine flowers cannot be dried. SUMMARY

[0007] The present application provides a multifunctional processing device for jasmine flowers and a processing method thereof. According to the characteristics of fresh flowers, the device controls the optimal temperature, humidity, oxygen and carbon dioxide content during the processes of flower growing, jasmine enfleurage and drying, thereby prolonging the jasmine time of fresh flowers, improving the concentration and freshness of jasmine fragrance, and realizing flower growing, isolation enfleurage of jasmine tea, drying of fresh flowers and recovery of jasmine fragrance in the same processing chamber. Through the matching processing method, the jasmine flowers can be used to process jasmine tea, dried jasmine flowers and jasmine hydrolat (liquid containing jasmine fragrance) at the same time, thereby improving the comprehensive utilization value of jasmine flowers.

[0008] The present application is realized by the following technical solutions.

[0009] This invention provides a multifunctional jasmine flower processing device, comprising a processing chamber, a liquid storage tank, a gas condensation device, and an air circulation pump. A jasmine flower rack is installed inside the processing chamber. The gas condensation device is located at the top of the processing chamber. The outlet of the gas condensation device is connected to the inlet of the air circulation pump via a pipe, and the outlet of the gas condensation device is connected to the liquid storage tank via a pipe. The outlet of the air circulation pump is connected to the processing chamber via a pipe. A central integrated control system is installed on the processing chamber, and the central integrated control system is electrically connected to the gas condensation device and the air circulation pump.

[0010] Preferably, a heating assembly is provided on the side wall of the processing chamber, and sensor assemblies are provided on the top and side wall of the processing chamber. The heating assembly and sensor assemblies are electrically connected to the central integrated control system.

[0011] Preferably, the sensor assembly includes one or more of a temperature sensor, a humidity sensor, and an oxygen content sensor.

[0012] Preferably, the flower rack is a frame structure including casters and a net support.

[0013] Preferably, the outlet of the gas condensation device is equipped with a filter device, which is connected to the inlet of the air circulation pump via a pipe.

[0014] Preferably, an oxygen generator is installed on the pipeline connecting the gas condensation device and the air circulation pump, and the oxygen generator is electrically connected to the central integrated control system.

[0015] Preferably, a refrigeration device and a humidification device are sequentially installed on the pipe connecting the air outlet of the air circulation pump to the processing chamber, and the refrigeration device and the humidification device are electrically connected to the central integrated control system.

[0016] A processing method for a multifunctional jasmine flower processing device includes the following steps: S1: Unopened jasmine buds are spread on the net tray of the flower rack in the processing chamber. The heating component, oxygen generator and humidifier are turned on by the control component to enter the flower growing stage. The air circulation pump is turned on to send the gas in the processing chamber into the gas condensation device. The gas is condensed into liquid by the condensation effect of the condensation device. The liquid is sent to the storage tank for storage. This step takes 2.5h to 3h. S2: After the flowers have opened at a rate of over 90% and an opening degree of 85 degrees, and the flower-nurturing stage is over, spread the tea leaves on an empty net tray and enter the scenting stage, which lasts for 15 to 18 hours. Then, the heating components, condensing device, oxygen generator and air circulation pump are turned on through the central integrated control system to condense the moisture, aroma and other substances in the gas in the processing chamber through the super-condensing device. S3: Remove the tea leaves and seal the processing chamber. The oxygen generator is turned off through the central integrated control system to reduce the oxygen level to 0. The condenser, air circulation pump and heating components are turned on to dry the jasmine flowers. After drying, the processing of the jasmine flowers is completed.

[0017] Preferably, in step S1, the jasmine buds are placed in the mesh trays of the scenting rack, with an empty mesh tray between the two layers of mesh trays holding the jasmine flowers. The thickness of the jasmine buds piled up is 5cm to 8cm. The temperature inside the processing chamber is set at 35℃ to 38℃, the humidity at 78% to 80%, and the oxygen content at 20% to 22%. Preferably, in step S2, the tea blanks are spread on the empty mesh tray from step S1, with a thickness of 2cm to 3cm. That is, one layer of flowers and one layer of tea are alternately placed on the scenting rack. The temperature inside the processing chamber is set to 28℃ to 32℃, the humidity to 80% to 82%, and the oxygen content to 20% to 22%, thus entering the scenting stage.

[0018] In step S3, after the tea leaves are removed, the temperature inside the processing chamber is set to 45℃~50℃, the humidity to 20%~30%, and the oxygen content to 0. After maintaining this temperature for 1h~2h, the temperature inside the processing chamber is set to 55℃~70℃, the humidity to 5%~10%, and the oxygen content to 0 for drying. After maintaining this temperature for 20h~25h, the processing of the jasmine flowers is completed.

[0019] The beneficial effects of this invention are as follows: 1. The device of the present invention condenses the moisture and aroma substances in the gas in the processing chamber into a liquid containing aroma substances through a gas condensation device, thereby achieving the purpose of aroma recovery.

[0020] 2. By installing a carbon dioxide filtration device, the carbon dioxide produced by the respiration of the flowers inside the box can be filtered out, thereby reducing the carbon dioxide concentration in the box and preventing the flowers from inhibiting their respiration due to excessive carbon dioxide concentration, thus extending the freshness of the flowers.

[0021] 3. During the flower drying stage, this device can isolate oxygen in the air, allowing jasmine flowers to dry in a low-oxygen or anaerobic environment, preventing oxidation and browning of the flowers, keeping the processed dried flowers white and colorless, and giving them a slightly sweet aroma and a refreshing sweet taste.

[0022] 4. The device is equipped with heating components and a cooling device, with a wide temperature adjustable range. It can be used for growing and scenting flowers at medium and low temperatures, as well as for drying fresh flowers at high temperatures.

[0023] 5. The processing method of this device can realize the preservation of fresh flowers, the isolation and scenting of jasmine tea, the drying of fresh flowers and the recovery of aroma during the process, thereby improving the comprehensive utilization value of jasmine flowers. Attached Figure Description

[0024] Fig. 1This is a schematic diagram of the structure of the present invention; Fig. 2 This is an image of the processing chamber of the present invention; Fig. 3 These are images of the flower rack of this invention; In the diagram: 1-processing chamber, 2-storage tank, 3-condensation device, 4-scented rack, 5-filtration device, 6-oxygen generator, 7-air circulation pump, 8-refrigeration device, 9-heating component, 10-temperature sensor, 11-humidity sensor, 12-oxygen content sensor, 13-humidification device, 14-central integrated control system. Detailed Implementation

[0025] The technical solution of the present invention is further described below, but the scope of protection is not limited to what is described.

[0026] Example 1: like Figs. 1 to 3 As shown, a multifunctional jasmine flower processing device includes a processing chamber 1, a liquid storage tank 2, a gas condensing device 3, and an air circulation pump 7. The processing chamber 1 can hold a jasmine flower rack 4. The gas condensing device 3 is located at the top of the processing chamber 1. The outlet of the gas condensing device 3 is connected to the inlet of the air circulation pump 7 via a pipe, and the outlet of the gas condensing device 3 is connected to the liquid storage tank 2 via a pipe. The liquid storage tank 2 is used to collect the condensed liquid from the gas condensing device 3 and has a structure for liquid discharge, such as a discharge pipe with a valve. The outlet of the air circulation pump 7 is connected to the processing chamber 1 via a pipe, and the air circulation pump 7 circulates the gas within the processing chamber 1. A central integrated control system 14 is installed on the processing chamber 1, and the central integrated control system 14 is electrically connected to the gas condensing device 3 and the air circulation pump 7. The central integrated control system 14 can control technical parameters such as temperature, humidity, oxygen, and carbon dioxide within the processing chamber 1. The central integrated control system 14 is equipped with a touch screen for displaying parameters and making settings. The related technology of the central integrated control system 14 is prior art and will not be described in detail here.

[0027] Heating components 9 are installed on the side wall of the processing chamber 1, and sensor components are installed on the top and side wall of the processing chamber 1. The heating components 9 and the sensor components are electrically connected to the central integrated control system 14.

[0028] The sensor assembly includes one or more of a temperature sensor 10, a humidity sensor 11, and an oxygen content sensor 12.

[0029] The scenting rack 4 is a frame structure including casters and a net holder. The casters are lockable casters, which facilitate the stable setting of the scenting rack 4 after locking and are used for moving the scenting rack 4. The net holder is made of stainless steel and can be multi-layered as needed. The net holder is slidably connected to the scenting rack 4 and can be removed. The mesh size of the net holder is 1.00mm to 1.50mm, and the distance between the net holders can be adjusted as needed. The net holder is used to place jasmine flowers or tea leaves.

[0030] The outlet of the gas condensing device 3 is equipped with a filter device 5, which is connected to the inlet of the air circulation pump 7 through a pipe. The filter device 5 is used to filter CO2 in the gas.

[0031] An oxygen generator 6 is installed on the pipeline connecting the gas condensing device 3 and the air circulation pump 7. The oxygen generator 6 is electrically connected to the central integrated control system 14.

[0032] A refrigeration device 8 and a humidification device 13 are sequentially installed on the pipe connecting the air outlet of the air circulation pump 7 to the processing chamber 1. The refrigeration device 8 and the humidification device 13 are electrically connected to the central integrated control system 14.

[0033] A processing method for a multifunctional jasmine flower processing device includes the following steps: S1: Unopened jasmine buds are spread on the net tray of the flower rack 4 in the processing chamber 1. The heating component 9, oxygen generator 6 and humidifier 13 are turned on through the central integrated control system 14 to enter the flower cultivation stage. The air circulation pump 7 is turned on to send the gas containing moisture, fragrance and other substances in the processing chamber 1 into the gas condensation device 3. The gas containing moisture, fragrance and other substances is condensed into a liquid containing fragrance substances through the condensation effect of the condensation device 3. The liquid is sent into the storage tank 2 for storage, thereby realizing the collection of fragrance substances in the flower cultivation process. This step takes 2.5 hours. S2: When the flowers have opened more than 90% and the degree of opening is 85 degrees, after the flower-nurturing stage is over, place the tea cake on the net tray of the flower-scenting rack 4 to enter the flower-scenting stage, which lasts for 15 hours. Then, the heating component 9, the super-condensing device 3, the oxygen generator 6 and the air circulation pump 7 are turned on through the central integrated control system 14 to condense the air in the processing chamber 1 that has not been adsorbed with aroma substances through the super-condensing device 3. The duration is determined according to the aroma recovery situation. S3: Remove the tea leaves and seal the processing chamber 1. The oxygen generator 6 is turned off through the central integrated control system 14 to reduce the oxygen level to 0. The condenser 3, air circulation pump 7 and heating component 9 are turned on to dry the jasmine flowers. After drying, the processing of the jasmine flowers is completed.

[0034] In step S1, jasmine buds are placed in the mesh trays of the flower rack 4, with an empty mesh tray between the two layers of mesh trays holding jasmine flowers. The jasmine buds are piled up to a thickness of 5cm. The temperature inside the processing chamber 1 is set at 35℃, the humidity at 78%, and the oxygen content at 20%. In step S2, the tea blanks are placed on the empty mesh tray retained in step S1, with a tea blank thickness of 2cm. That is, one layer of flowers and one layer of tea are placed alternately on the scenting rack. The temperature in the processing chamber 1 is set at 28℃, the humidity at 80%, and the oxygen content at 20%, and the scenting stage begins.

[0035] In step S3, after the tea leaves are removed, the temperature in processing chamber 1 is set to 45°C, humidity to 20%, and oxygen content to 0. This is maintained for 1 hour before the temperature is increased. This is because the jasmine flowers have a high water content at the beginning, and the humidity in processing chamber 1 is also high. If the temperature is set to >50°C, the jasmine flowers will turn yellow under high temperature and high humidity conditions, affecting their appearance, taste, aroma, and other qualities. The temperature is increased by setting the temperature in processing chamber 1 to 55°C, humidity to 5%, and oxygen content to 0 for drying. The oxygen content of 0 prevents the fresh flowers from oxidizing and turning brown during the drying process. The jasmine flowers are dried under high temperature and low humidity conditions, and the processing of the jasmine flowers is completed after 20 hours.

[0036] Example 2: A multifunctional jasmine flower processing device is the same as in Example 1.

[0037] A processing method for a multifunctional jasmine flower processing device includes the following steps: S1: Unopened jasmine buds are spread on the net tray of the flower rack 4 inside the processing chamber 1. The heating component 9, oxygen generator 6 and humidifier 13 are turned on through the central integrated control system 14 to enter the flower cultivation stage. The air circulation pump 7 is turned on to send the gas containing moisture and fragrance substances in the processing chamber 1 into the gas condensation device 3. The gas containing moisture and fragrance substances is condensed into a liquid containing fragrance substances through the condensation effect of the condensation device 3. The liquid is sent into the storage tank 2 for storage, thereby realizing the collection of fragrance substances in the flower cultivation process. This step takes 3 hours. S2: When the flowers have opened more than 90% and the degree of opening is 85 degrees, after the flower cultivation stage is over, place the tea cake on the net tray of the flower scenting rack 4 to enter the flower scenting stage, which lasts for 18 hours. Then, the heating component 9, the super-condensing device 3, the oxygen generator 6 and the air circulation pump 7 are turned on through the central integrated control system 14 to condense the air in the processing chamber 1 that has not been adsorbed with aroma substances through the condensing device 3. The duration is determined according to the aroma recovery situation. S3: Remove the tea leaves and seal the processing chamber 1. The oxygen generator 6 is turned off through the central integrated control system 14 to reduce the oxygen level to 0. The condenser 3, air circulation pump 7 and heating component 9 are turned on to dry the jasmine flowers. After drying, the processing of the jasmine flowers is completed.

[0038] In step S1, jasmine buds are placed in the mesh trays of the flower rack 4, with an empty mesh tray between the two mesh trays holding jasmine flowers. The thickness of the jasmine buds is 5cm to 8cm. The temperature in the processing chamber 1 is set at 38℃, the humidity at 80%, and the oxygen content at 22%.

[0039] In step S2, the tea blanks are placed on the empty mesh tray retained in step S1, with a tea blank thickness of 3cm. That is, one layer of flowers and one layer of tea are alternately placed on the scenting rack. The temperature in the processing chamber 1 is set at 32℃, the humidity is 82%, and the oxygen content is 22%, and the scenting stage begins.

[0040] In step S3, after the tea leaves are removed, the temperature in processing chamber 1 is set to 50°C, humidity to 30%, and oxygen content to 0. After maintaining this for 2 hours, the temperature is increased. This is because the jasmine flowers have a high water content at the beginning stage, and the humidity in processing chamber 1 is also high. If the temperature is set to >50°C, the jasmine flowers will turn yellow under high temperature and high humidity conditions, affecting their appearance, taste, aroma, and other qualities. The temperature is increased by setting the temperature in processing chamber 1 to 70°C, the humidity to 10%, and the oxygen content to 0 for drying. The oxygen content of 0 can prevent the fresh flowers from oxidizing and turning brown during the drying process. The jasmine flowers are dried under high temperature and low humidity conditions, and the processing of the jasmine flowers is completed after maintaining this for 25 hours.

[0041] Example 3: A multifunctional jasmine flower processing device is the same as in Example 1.

[0042] A processing method for a multifunctional jasmine flower processing device includes the following steps: S1: Unopened jasmine buds are spread on the mesh tray of the flower rack 4 inside the processing chamber 1. The heating component 9, oxygen generator 6 and humidifier 13 are turned on through the central integrated control system 14 to enter the flower cultivation stage. The air circulation pump 7 is turned on to send the gas containing moisture and fragrance substances in the processing chamber 1 into the gas condensation device 3. The gas containing moisture and fragrance substances is condensed into a liquid containing fragrance substances through the condensation effect of the condensation device 3. The liquid is sent into the storage tank 2 for storage, thereby realizing the collection of fragrance substances in the flower cultivation process. This step takes 2.8 hours. S2: After the flower cultivation stage is completed, when the opening rate of the fresh flowers is over 90% and the opening degree is 85 degrees, place the tea cake on the net tray of the scenting rack 4 to enter the scenting stage, which lasts for 15 hours. Then, the heating component 9, the super-condensing device 3, the oxygen generator 6 and the air circulation pump 7 are turned on through the central integrated control system 14 to condense the air in the processing chamber 1 that has not been adsorbed with aroma substances through the condensing device 3. The duration is determined according to the aroma recovery situation. S3: Remove the tea leaves and seal the processing chamber 1. The oxygen generator 6 is turned off through the central integrated control system 14 to reduce the oxygen level to 0. The condenser 3, air circulation pump 7 and heating component 9 are turned on to dry the jasmine flowers. After drying, the processing of the jasmine flowers is completed.

[0043] In step S1, jasmine buds are placed in the mesh trays of the flower rack 4, with an empty mesh tray between the two layers of mesh trays holding jasmine flowers. The jasmine buds are piled up to a thickness of 6 cm. The temperature inside the processing chamber 1 is set at 37°C, the humidity at 79%, and the oxygen content at 21%. In step S2, the tea blanks are placed on the empty mesh tray retained in step S1, with a tea blank thickness of 2.6cm. That is, one layer of flowers and one layer of tea are placed alternately on the scenting rack. The temperature in the processing chamber 1 is set at 30℃, the humidity is 81%, and the oxygen content is 21%, and the scenting stage begins.

[0044] In step S3, after the tea leaves are removed, the temperature in processing chamber 1 is set to 48°C, humidity to 26%, and oxygen content to 0. This is maintained for 1.5 hours before the temperature is increased. This is because the jasmine flowers have a high water content and high humidity in the initial stage. If the temperature is set to >50°C, the jasmine flowers will turn yellow under high temperature and high humidity conditions, affecting the appearance, liquor color, aroma, and other qualities. The temperature is increased by setting the temperature in processing chamber 1 to 64°C, humidity to 7%, and oxygen content to 0 for drying. The oxygen content of 0% can prevent the fresh flowers from oxidizing and turning brown during the drying process. The jasmine flowers are dried under high temperature and low humidity conditions, and the processing of the jasmine flowers is completed after maintaining this condition for 22 hours.

[0045] Comparative Example 1: A multifunctional jasmine flower processing device and its processing method are based on Example 3. The only difference is that after the tea blank is taken out in step S3, the temperature in the processing chamber 1 is set to 64°C, the humidity to 26%, and the oxygen content to 0. The processing of jasmine flowers is completed after maintaining this temperature for 20 hours.

[0046] Using the apparatus and method of Examples 1-3 and Comparative Example 1, 1000 kg of fresh jasmine flowers were processed, and the results are shown in the table below.

[0047] As shown in the table above, the yield of the condensed fragrance liquid obtained after processing jasmine flowers in this application is 85%-95%, which is higher than the 82% of Comparative Example 1. For jasmine flowers processed using the methods of Examples 1-3 of this application, they still have a white color after drying, a sweet aroma, and a light yellow, clear, and bright liquor. In contrast, the jasmine flowers processed using the method of Comparative Example 1 are brownish-yellow, have an unpleasant fermented aroma, and a dark yellow and dull liquor.

Claims

1. A multi-functional jasmine flower processing device, characterized in that: The system includes a processing chamber (1), a liquid storage tank (2), a gas condensing device (3), and an air circulation pump (7). A stencil (4) is installed inside the processing chamber (1). The gas condensing device (3) is installed on the top of the processing chamber (1). The outlet of the gas condensing device (3) is connected to the inlet of the air circulation pump (7) through a pipe. The outlet of the gas condensing device (3) is connected to the liquid storage tank (2) through a pipe. The outlet of the air circulation pump (7) is connected to the processing chamber (1) through a pipe. A central integrated control system (14) is installed on the processing chamber (1). The central integrated control system (14) is electrically connected to the gas condensing device (3) and the air circulation pump (7).

2. The multifunctional jasmine flower processing device as described in claim 1, characterized in that: Heating components (9) are provided on the side wall of the processing chamber (1), and sensor components are provided on the top and side wall of the processing chamber (1). The heating components (9) and sensor components are electrically connected to the central integrated control system (14).

3. The multifunctional jasmine flower processing device as described in claim 2, characterized in that: The sensor assembly includes one or more of a temperature sensor (10), a humidity sensor (11), and an oxygen content sensor (12).

4. The multifunctional jasmine flower processing device as described in claim 1, characterized in that: The flower rack (4) is a frame structure including casters and net supports.

5. The multifunctional jasmine flower processing device as described in claim 1, characterized in that: The outlet of the gas condensing device (3) is equipped with a CO2 filter (5) to remove CO2 from the gas. The filter (5) is connected to the inlet of the air circulation pump (7) through a pipe.

6. The multifunctional jasmine flower processing device as described in claim 1, characterized in that: An oxygen generator (6) is installed on the pipeline connecting the gas condensing device (3) and the air circulation pump (7) to provide O2 for the respiration of flowers. The oxygen generator (6) is electrically connected to the central integrated control system (14).

7. The multifunctional jasmine flower processing device as described in claim 1, characterized in that: A refrigeration device (8) and a humidification device (13) are sequentially installed on the pipe connecting the air outlet of the air circulation pump (7) and the processing chamber (1). The refrigeration device (8) and the humidification device (13) are electrically connected to the central integrated control system (14).

8. A processing method for a multifunctional jasmine flower processing device as described in any one of claims 1-7, characterized in that, Includes the following steps: S1: Place the unopened jasmine flower buds on the net tray of the flower rack (4) in the processing chamber (1). Turn on the heating component (9), oxygen generator (6) and humidifier (13) through the central integrated control system (14) to enter the flower growing stage. Turn on the air circulation pump (7) to send the gas in the processing chamber (1) into the gas condensing device (3). The condensing device (3) condenses the moisture, fragrance and other substances in the gas into liquid. The liquid is sent into the storage tank (2) for storage. The duration of this step is 2.5h to 3h. S2: When the flowers are open at a rate of over 90% and an opening degree of 85 degrees, after the flower-growing stage is over, spread the tea cakes on the net tray and enter the scenting stage, which lasts for 15 to 18 hours. Then, through the central integrated control system (14), turn on the heating component (9), the super-condensing device (3), the oxygen generator (6), and the air circulation pump (7) to condense the air in the processing chamber (1) through the super-condensing device (3). S3: Take out the tea blanks and seal the processing chamber (1). Turn off the oxygen generator (6) through the central integrated control system (14) to reduce the oxygen content to 0. Turn on the condenser (3), air circulation pump (7) and heating component (9) to dry the jasmine flowers. After drying, the processing of jasmine flowers is completed.

9. The processing method of the multifunctional jasmine flower processing device as described in claim 7, characterized in that: In step S1, jasmine buds are placed in the mesh tray of the flower rack (4), with an empty mesh tray between the two mesh trays holding jasmine flowers. The thickness of the jasmine buds is 5cm to 8cm. The temperature inside the processing chamber (1) is set at 35℃ to 38℃, the humidity at 78% to 80%, and the oxygen content at 20% to 22%. In step S2, the tea blanks are placed on the empty mesh tray retained in step S1, with a thickness of 2cm to 3cm. The temperature inside the processing chamber (1) is set to 28℃ to 32℃, the humidity to 80% to 82%, and the oxygen content to 20% to 22%. That is, one layer of flowers and one layer of tea are alternately placed on the scenting rack to enter the scenting stage.

10. The processing method of the multifunctional jasmine flower processing device as described in claim 7, characterized in that: After the tea leaves are taken out in step S3, the temperature in the processing chamber (1) is set to 45℃~50℃, the humidity to 20%~30%, and the oxygen content to 0. After maintaining this for 1h~2h, the temperature in the processing chamber (1) is set to 55℃~70℃, the humidity to 5%~10%, and the oxygen content to 0 for drying. After maintaining this for 20h~25h, the processing of jasmine flowers is completed.

Citation Information

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