TWI680012B - High-efficiency ultrasonic extraction equipment and method for improving supercritical extraction efficiency - Google Patents

Abstract

The invention provides a high-efficiency ultrasonic extraction equipment and a method for improving the supercritical extraction efficiency. The high-efficiency ultrasonic extraction equipment includes at least a high-pressure reaction tank and a supercritical fluid container, a liquid raw material tank, and a plurality of high-pressure helpers. For Puhe control valve, a cover of the high pressure reaction tank is further provided with an inwardly extending ultrasonic rod, which can be used for supercritical fluid mixing of liquid raw materials during the extraction process. Extracting and separating nutritional components that are beneficial to the human body, thereby improving the extraction efficiency and shortening the extraction time of the high-pressure reaction tank.

Description

High-efficiency ultrasonic extraction equipment and method for improving supercritical extraction efficiency

The invention relates to supercritical extraction equipment, and more specifically refers to a high-efficiency ultrasonic extraction equipment and a method for improving supercritical extraction efficiency.

According to the knowledge, the process of supercritical extraction and separation of natural nutrients is mainly used to extract nutrition from natural substances under high pressure and low temperature conditions by using supercritical carbon dioxide fluid. In order to improve the extraction efficiency of the conventional supercritical process, some practitioners first perform ultrasonic vibration on the liquid raw materials (after crushing the extract and soak it in alcohol) before performing the extraction step, such as the invention of the Republic of China No. I604848 "Extraction of Propolis Extract As shown in the "Method" patent, the collagen collagen is crushed and soaked in alcohol, and then dissolved by ultrasonic vibration to obtain a crude extract. The crude extract is then injected into a high-pressure supercritical extraction tank for the extraction step. The conditions of the extraction step are: The pressure range is between 3600 psi and 4000 psi, and the temperature range is between 46 ° C and 50 ° C. Extraction is 80 minutes to 120 minutes, so that Artepillin C can be obtained. The extraction efficiency is compared with traditional supercritical. The process has improved considerably.

In other words, the aforementioned patent can significantly improve the extraction efficiency by performing ultrasonic oscillation before the traditional supercritical extraction step. However, before The extraction time of said patent still needs 80 minutes to 120 minutes, and there is still room for improvement in extraction efficiency, but so far, except for the aforementioned patent technology, there is currently no better technology.

The main object of the present invention is to provide a high-efficiency ultrasonic extraction device and a method for improving the supercritical extraction efficiency. The ultrasonic rods are simultaneously oscillated in the extraction step, and the ultrasonic rods that generate ultrasonic oscillations are directly extended. For liquid raw materials, it can effectively improve the extraction efficiency and shorten the extraction time. It has a simple structure and is of great economic value.

The reason is that, in order to achieve the foregoing object, the present invention provides a high-efficiency ultrasonic extraction device, which includes at least one high-pressure reaction tank for extracting and separating nutrient components that are beneficial to the human body from natural objects, including openings facing upward. A tank body, the bottom end of the tank body is provided with a discharge port for outputting the extraction liquid, a cover body is disposed on the top opening of the tank body, and an electric heater is provided in the tank body for heating and entering The liquid raw material in the tank, an ultrasonic rod, is arranged in the cover body to extend into the tank body; a supercritical fluid container and a liquid raw material tank are connected to the high pressure reaction tank to provide supercritical fluid and liquid raw materials respectively The supercritical flow system is in a supercritical state carbon dioxide fluid; several high-pressure pumps are arranged between the supercritical fluid container, the liquid raw material tank and the high-pressure reaction tank, and are used to pressurize the supercritical fluid and the liquid raw material to the high-pressure reaction. A plurality of control valves are respectively provided between the supercritical fluid container, the liquid raw material tank and the high-pressure reaction tank, so as to control the supercritical fluid and liquid raw materials separately. And the direction of the extract.

Preferably, the system comprises a first high-pressure reaction tank and a plurality of second high-pressure reaction tanks. The supercritical fluid container and the liquid raw material tank are connected to the top and bottom ends of the tank body of the first high-pressure reaction tank. The first high-pressure reaction tank The top and bottom ends of the tank body are combined through two connecting pipes and connected to the top end of the tank body of the second high pressure reaction tank, so that the extraction liquid in the first high pressure reaction tank can be transported to the second high pressure reaction tank for extraction.

Preferably, the two connecting pipes are respectively provided with the control valves.

Preferably, the output pipelines of the supercritical fluid container and the liquid raw material tank are combined and then connected to the top and bottom ends of the tank body of the first high-pressure reaction tank, and each of the output pipelines is provided with the high-pressure pump.

Preferably, the control pipe is further provided on the output pipeline of the supercritical fluid container and the liquid raw material tank, which is interposed between each of the high-pressure pump and the top and bottom ends of the tank body of the first high-pressure reaction tank.

Preferably, a control valve is provided on the discharge port.

Preferably, each of the control valves includes a plurality of high-pressure valves, a one-way valve and a plurality of back pressure valves, and each of the high-pressure valves is respectively provided in an output pipeline, two connecting pipes and high-pressure reactions of a supercritical fluid container and a liquid raw material tank. The outlet of the tank is used to control the output pressure, opening and closing of the supercritical fluid container and the liquid raw material tank, and whether each high-pressure reaction tank outputs the extraction liquid. Each of the one-way valve systems is respectively provided in the supercritical fluid container and the liquid raw material. The output pipe of the tank and the connecting pipe connected to the bottom end of the tank body of the first high-pressure reaction tank are used to prevent supercritical pressure The backflow of fluid and liquid raw materials and preventing the extraction liquid in the connecting tube from flowing back toward the bottom end of the tank of the first high-pressure reaction tank. The back pressure valve is provided at the top of the tank body connecting the first and second high-pressure reaction tanks. Pipe for controlling the pressure and flow required by the connecting pipe.

In addition, the present invention further provides a method for improving supercritical extraction efficiency, which is mainly in the process of supercritical fluid mixed liquid raw material extraction, and at the same time ultrasonically oscillates the liquid raw material to extract and separate nutritious components that are beneficial to the human body. Therefore, the extraction efficiency and the extraction time of the high-pressure reaction tank can be improved.

Preferably, the extraction process is performed in at least one high-pressure reaction tank. One end of the high-pressure reaction tank is connected with a supercritical fluid container and a liquid raw material tank for mixing the supercritical fluid and the liquid raw material into the high-pressure reaction tank. The reaction tank includes a tank body with an opening facing upwards. A discharge port is provided at the bottom end of the tank body for outputting extraction liquid, a cover body is disposed on the top opening of the tank body, and an ultrasonic rod is disposed on the cover. The body extends into the trough.

Preferably, the system comprises a first high-pressure reaction tank and a plurality of second high-pressure reaction tanks. The supercritical fluid container and the liquid raw material tank are connected to the top and bottom ends of the tank body of the first high-pressure reaction tank. The first high-pressure reaction tank The top and bottom ends of the tank body are combined through two connecting pipes and connected to the top end of the tank body of the second high-pressure reaction tank, so that the extraction liquid in the first high-pressure reaction tank can be transported to the second high-pressure reaction tank for extraction, Separation.

10‧‧‧High-efficiency ultrasonic extraction equipment

12‧‧‧ high pressure reaction tank

13‧‧‧Supercritical fluid container

14‧‧‧Liquid raw material tank

15, 16‧‧‧ high pressure pump

22‧‧‧ trough

221‧‧‧Discharge port

24‧‧‧ Cover

26‧‧‧ Electric heater

28‧‧‧ Ultrasonic Stick

32, 42‧‧‧ output lines

72‧‧‧ high pressure valve

74‧‧‧Check valve

80‧‧‧High-efficiency ultrasonic extraction equipment

82‧‧‧High-pressure reaction tank

84, 86‧‧‧ connecting pipe

88‧‧‧Back pressure valve

The first diagram is a system diagram of a preferred embodiment of the present invention.

The second diagram is a system diagram of another preferred embodiment of the present invention.

In the following, several preferred embodiments of the present invention are given, and further detailed description is given in conjunction with the drawings as follows: First, please refer to the first figure, a high-efficiency ultrasonic extraction device 10 according to a preferred embodiment of the present invention. It consists of a high-pressure reaction tank 12, a supercritical fluid container 13, a liquid raw material tank 14, two high-pressure pumps 15, 16 and a plurality of control valves.

The high-pressure reaction tank 12 includes components of a conventional supercritical extraction tank, such as a tank body 22, a cover body 24, and an electric heater 26. The bottom end of the tank body 22 is provided with a discharge port 221 for outputting the extraction liquid. The electric heater 26 is used to heat the liquid raw material entering the tank 22. The present invention further provides an ultrasonic rod 28 in the cover 24. The ultrasonic rod 28 extends into the tank 22 about 1/2 to 1 / 3 depth, and the liquid raw material in the liquid raw material tank 14 input tank 22 can be oscillated at a frequency between 24KHz and 40KHz. In this embodiment, a high-frequency oscillation at 40KHz is used to extract and separate nutritional components that are beneficial to the human body. .

The supercritical fluid container 13 and the liquid raw material tank 14 are respectively a CO2 steel cylinder for storing and supplying a supercritical CO ₂ fluid, and containing and supplying a liquid raw material. The output pipes 32 and 42 of the two are combined and then connected separately. The top and bottom ends of the tank body 22 of the high-pressure reaction tank 12.

The two high-pressure pumps 15 and 16 are respectively arranged in the output lines 32 and 42 of the supercritical fluid container 13 and the liquid raw material tank 14 so as to pressurize and meter the supercritical fluid and the liquid raw material to a high-pressure reaction. Slot 12.

Each of the control valves includes five high-pressure valves 72 and two one-way valves 74. Each of the high-pressure valves 72 is respectively provided at the two output lines 32 and 42 and merges the front and rear positions and the discharge port 221 of the high-pressure reaction tank 12. It can be used for controlling the output pressure of the supercritical fluid container 13 and the liquid raw material tank 14, opening and closing, and controlling whether the high-pressure reaction tank 12 outputs the extraction liquid. The two non-return valves 74 are respectively disposed at the positions before the two output lines 32 and 42 are combined to prevent the backflow of the pressurized supercritical fluid and liquid raw materials.

Therefore, the operation mode of the high-efficiency ultrasonic extraction device 10 of the present invention is to first open the supercritical fluid container 13 and the liquid raw material tank 14 and use the two high-pressure pumps 15 and 16 to control the supercritical fluid container 13 and the liquid raw material. The output pressure and dose of the tank 14 are then controlled by the high-pressure valve 72 to control the pressure of the high-pressure reaction tank 12 and the temperature of the high-pressure reaction tank 12 is controlled by the electric heater 26. Operating conditions such as: pressure 2000-4000psi, temperature 40- 60 ° C, supercritical carbon dioxide fluid flow rate 6-9L / hr, detailed extraction and separation steps are similar to conventional supercritical fluid extraction equipment, which will not be repeated here. The features and effects of the high-efficiency ultrasonic extraction equipment 10 of the present invention are: : The high-pressure reaction tank 12 is provided with an ultrasonic rod 28 directly protruding into the liquid raw material. The high-frequency oscillation generated by the ultrasonic rod 28 can directly act on the liquid raw material, which can greatly improve the extraction efficiency (for the human body). Beneficial nutrition Content) and shorten the extraction time.

For example, as shown in Tables 1 and 2, when the present invention is used to extract propolis and ganoderma, compared with the conventional supercritical extraction process without ultrasonic waves, experiments have proved that the present invention can effectively shorten the extraction of the same natural substance. The time is about 1/3, and the extraction amount of nutrients is higher, as follows:

When the propolis and ganoderma are extracted before peeling, the operating conditions are 48 ° C and 3800psi.

It can be known from the above that the high-efficiency ultrasonic extraction device of the present invention has a structure in which a high-frequency ultrasonic rod capable of directly penetrating liquid raw materials is arranged in a high-pressure reaction tank, so that the high-frequency oscillation generated by the ultrasonic rod can directly act on the liquid. Raw materials, which can effectively improve the extraction efficiency (higher extraction of nutrients) And shorten the extraction time, although the structure is simple, but it is very economical.

Secondly, the combined high pressure valve 72 of the two output lines 32 and 42 can be used to determine whether the supercritical fluid and the liquid raw material flow into the top or bottom of the tank 22 of the high pressure reaction tank 12 separately or at the same time, mainly depending on the extraction Adjust the characteristics of raw materials and extraction effect.

In addition, the present invention can further add a number of high-pressure reaction tanks, as shown in the second figure, which is a high-efficiency ultrasonic extraction device 80 according to another preferred embodiment of the present invention. The same, except that the high-pressure reaction tank 12 (hereinafter referred to as the first high-pressure reaction tank) further includes another high-pressure reaction tank 82 (hereinafter referred to as the second high-pressure reaction tank) having the same structure, and the The top and bottom ends of the tank 22 of the first high-pressure reaction tank 12 are combined through two connecting pipes 84 and 86 and connected to the top of the tank of the second high-pressure reaction tank 82 for extraction in the first high-pressure reaction tank 12. The liquid is sent to the second high-pressure reaction tank 82 for extraction. In addition, the connection pipe 84 is provided with a high-pressure valve 72 and a back pressure valve 88 as described above. The back pressure valve 88 can control the connection pipe 84. Pressure and flow, the connection pipe 86 is further provided with a high pressure valve 72 and a check valve 74 as described above. Thereby, supercritical extraction is performed through the plurality of high-pressure reaction tanks 12, 82, and the types of components in the extraction liquid can be reduced, and the components of the extraction liquid can be made simpler.

Furthermore, as can be seen from the above, the present invention can further provide a method for improving the supercritical extraction efficiency, that is, an ultrasonic rod 28 is provided in the high-pressure reaction tanks 12 and 72 connecting the supercritical fluid container 13 and the liquid raw material tank 14, The ultrasonic rod 28 extends into the high-pressure reaction tanks 12, 72, and can be used for the extraction of liquid raw materials in the process of mixing supercritical fluid with liquid raw materials. Ultrasonic vibration is used to extract and separate the nutritional components that are beneficial to the human body, thereby improving the extraction efficiency and shortening the extraction time of the high-pressure reaction tank.

However, the above are only a few preferred embodiments of the present invention. When the scope of patent protection of the present invention cannot be limited by this, for example, simple equivalent changes and replacements made according to the scope of patent application of the present invention and the contents of the description , All should still fall within the protection scope covered by the patent application scope of the present invention.

Claims (9)

A high-efficiency ultrasonic extraction device includes: at least one high-pressure reaction tank for extracting and separating nutritious ingredients that are beneficial to the human body from natural objects, and includes a tank with an opening facing upward, and a bottom end of the tank is provided with a The discharge port is for outputting the extraction liquid, a cover body is arranged on the top opening of the tank body, an electric heater is arranged on the tank body for heating the liquid raw materials entering the tank body, an ultrasonic rod, A supercritical fluid container and a liquid raw material tank are connected to the high-pressure reaction tank for supplying supercritical fluid and liquid raw material respectively, and the supercritical flow system is in a supercritical state carbon dioxide fluid; A plurality of high-pressure pumps are provided between the supercritical fluid container, the liquid raw material tank and the high-pressure reaction tank, and are used to pressurize and convey the supercritical fluid and liquid raw materials to the high-pressure reaction tank; and a plurality of control valves are respectively provided in the respective The supercritical fluid container, the liquid raw material tank and the high-pressure reaction tank are used to control the flow direction of the supercritical fluid, liquid raw material and extraction liquid, respectively. The high-efficiency ultrasonic extraction equipment according to item 1 of the patent application scope, which comprises a first high-pressure reaction tank and a plurality of second high-pressure reaction tanks, and the supercritical fluid container and the liquid raw material tank are connected to the first high-pressure reaction. The top and bottom of the tank body of the tank, the top and bottom ends of the tank body of the first high-pressure reaction tank are combined through two connecting pipes and connected to the top of the tank body of the second high-pressure reaction tank, so that the first high-pressure reaction tank The extraction solution in the solution is sent to a second high-pressure reaction tank for extraction. The high-efficiency ultrasonic extraction device as described in the second item of the patent application scope, wherein the two connecting pipes are respectively provided with the control valve. The high-efficiency ultrasonic extraction equipment as described in the second item of the scope of the patent application, wherein the supercritical fluid container and the liquid raw material tank output line are combined and then connected to the top and bottom ends of the tank of the first high-pressure reaction tank, The high-pressure pump is provided on each of the output pipelines. The high-efficiency ultrasonic extraction equipment according to item 4 of the scope of the patent application, wherein the output valve of the supercritical fluid container and the liquid raw material tank is further provided with the control valve, which is located between the high-pressure pump and the first The top and bottom ends of a high-pressure reaction tank. The high-efficiency ultrasonic extraction device as described in the second item of the patent application scope, wherein the discharge port is provided with a control valve. According to the high-efficiency ultrasonic extraction equipment described in the scope of patent application No. 3, 4, 5, or 6, each of the control valves includes a plurality of high-pressure valves, a check valve, and a plurality of back pressure valves, and each of the high-pressure valves is provided separately. The output pipeline, two connecting pipes and discharge outlets of each high-pressure reaction tank at the supercritical fluid container and the liquid raw material tank are used to control the output pressure, opening and closing, and various high-pressure reactions of the supercritical fluid container and the liquid raw material tank. Whether the tank outputs the extraction liquid, each one-way valve system is respectively arranged on the output pipeline of the supercritical fluid container and the liquid raw material tank and the connecting pipe connected to the bottom end of the tank body of the first high-pressure reaction tank to prevent pressurization. Supercritical fluid and liquid raw materials return and prevent the extraction liquid in the connecting pipe from flowing back to the bottom end of the tank of the first high-pressure reaction tank. The back pressure valve is arranged at the top of the tank connected to the first and second high-pressure reaction tanks. The connecting pipe is used to control the pressure and flow required by the connecting pipe. A method for improving supercritical extraction efficiency is mainly in the process of supercritical fluid wetted liquid raw material extraction, while ultrasonically oscillating the liquid raw material at the same time, in order to extract and separate nutritious components that are beneficial to the human body, thereby improving the The extraction efficiency of the high-pressure reaction tank and the shortening of the extraction time, wherein the extraction process is performed in at least one high-pressure reaction tank, and one end of the high-pressure reaction tank is connected with a supercritical fluid container and a liquid raw material tank for supercritical fluid and liquid raw materials. After mixing, it is input into a high-pressure reaction tank. The high-pressure reaction tank includes a tank body with an opening facing upward. The bottom end of the tank body is provided with a discharge port for outputting the extraction liquid. A cover body is arranged on the top opening of the tank body. An ultrasonic rod is arranged in the cover body and extends into the groove body. The method for improving supercritical extraction efficiency as described in item 8 of the scope of patent application, which comprises a first high-pressure reaction tank and a plurality of second high-pressure reaction tanks, and the supercritical fluid container and the liquid raw material tank are connected to the first high-pressure reaction. The top and bottom of the tank body of the tank, the top and bottom ends of the tank body of the first high-pressure reaction tank are connected through the two connecting pipes and connected to the top of the tank body of the second high-pressure reaction tank, so that the first high-pressure reaction tank can be used. The extracted liquid in the solution is sent to a second high-pressure reaction tank for extraction and separation.