Bioactive substance purification equipment

Abstract

The utility model discloses bioactive substance purification equipment, which relates to the technical field of purification equipment, and comprises a vacuum stirring kettle, a condenser, a vacuum pump and a fiber membrane purification device, a material cavity is arranged in the vacuum stirring kettle, a stirring component is arranged in the material cavity, and a material inlet and a steam outlet which are communicated with the material cavity are arranged on the vacuum stirring kettle. A heating cavity matched with the material cavity is formed in the vacuum stirring kettle, and an oil inlet and an oil outlet which are communicated with the heating cavity are formed in the vacuum stirring kettle; a gas inlet, a gas outlet and a liquid outlet are formed in the condenser, a spiral condensing pipe is arranged in the condenser, and a cooling liquid inlet and a cooling liquid outlet which are communicated with the spiral condensing pipe are formed in the condenser. The quality and the activity of a final product are influenced.

Description

Technical Field

[0001] This utility model relates to the field of purification equipment technology, and in particular to a purification equipment for bioactive substances. Background Technology

[0002] Volatile bioactive substances, such as volatile oils and volatile alkaloids, are widely found in natural resources such as plants and microorganisms, and have important medicinal, food, and cosmetic applications. These substances usually have unique aromas and bioactivities, but their extraction and purification processes face many challenges.

[0003] Traditional processes typically employ steam distillation or solvent extraction, which have limitations in the extraction and purification process. For example, high-temperature degradation: traditional steam distillation or solvent extraction methods usually require high temperatures, which can easily lead to the loss of volatile bioactive substances and the degradation of aroma, thus affecting the quality and activity of the final product; residual impurities: during the extraction process, impurities such as water, bacteria, particles, and pesticide residues are difficult to completely remove. The presence of these impurities not only reduces the purity of the product but may also pose a threat to consumer health.

[0004] While existing technologies offer some improved extraction and purification methods, a comprehensive device integrating low-temperature extraction, efficient condensation, and membrane separation remains lacking. This deficiency limits the efficient and high-purity extraction and purification of volatile bioactive substances, and also makes it difficult to guarantee the naturalness and safety of the products. Therefore, developing a novel purification device for volatile bioactive substances, employing low-temperature cold / negative pressure extraction, multi-stage condensation reflux, and oleophilic / hydrophilic hollow fiber membrane separation technology, to achieve high-yield and high-purity extraction of volatile active substances while preserving their natural properties, has significant practical implications and application value. Utility Model Content

[0005] Based on this, and in response to the above problems, this utility model proposes a bioactive substance purification device, which solves the problem that the extraction and purification of volatile bioactive substances can easily lead to the loss of volatile bioactive substances and the degradation of aroma, thereby affecting the quality and activity of the final product.

[0006] The technical solution of this utility model is:

[0007] A bioactive substance purification device includes a vacuum stirred tank, a condenser, a vacuum pump, and a fiber membrane purification device. The vacuum stirred tank is provided with a material chamber, and a stirring component is provided in the material chamber. The vacuum stirred tank is provided with a material inlet and a steam outlet communicating with the material chamber. The vacuum stirred tank is provided with a heating chamber that is configured to cooperate with the material chamber. The vacuum stirred tank is provided with an oil inlet and an oil outlet communicating with the heating chamber.

[0008] The condenser is equipped with a gas inlet, a gas outlet, and a liquid outlet. The condenser contains a spiral condenser tube and a coolant inlet and a coolant outlet that are connected to the spiral condenser tube.

[0009] The steam outlet on the vacuum stirred tank is connected to the gas inlet on the condenser through a first pipe, the gas outlet on the condenser is connected to the vacuum pump through a second pipe, and the liquid outlet on the condenser is connected to the fiber membrane purification device.

[0010] Preferably, the stirring assembly includes a stirring shaft and at least one pair of stirring blades. The stirring shaft is disposed inside the material chamber, and at least one pair of stirring blades are fixedly disposed on the stirring shaft. The top of the vacuum stirring vessel is provided with a connecting part and a mounting tube. One end of the mounting tube is fixedly connected to the connecting part by bolts, and the other end of the mounting tube is provided with a driving component. One end of the stirring shaft passes through the connecting part and through the mounting tube to connect with the driving component. The stirring shaft is rotatably connected to the connecting part and the mounting tube, and the driving component is used to drive the stirring shaft to rotate.

[0011] Preferably, the driving component includes a drive motor and a gear transmission. The gear transmission is fixedly mounted on the top of the mounting tube, the drive motor is fixedly mounted on the gear transmission, the output shaft of the drive motor is fixedly connected to the input shaft of the gear transmission, and the output shaft of the gear transmission is fixedly connected to the stirring shaft.

[0012] Preferably, a sealing ring is provided at the rotatable connection between the connecting part and the stirring shaft. The sealing ring is fixedly connected to the connecting part and rotatably connected to the stirring shaft.

[0013] Preferably, the lower end of the vacuum stirring vessel is equipped with a thermometer that communicates with the material chamber, and the thermometer is used to detect the temperature inside the material chamber.

[0014] Preferably, the top of the vacuum mixing vessel is equipped with a pressure gauge that communicates with the material chamber, and the pressure gauge is used to detect the pressure inside the material chamber.

[0015] Preferably, the fiber membrane purification device includes a storage tank and a fiber membrane purification tank. The storage tank is provided with an inlet and an outlet. The liquid outlet on the condenser is connected to the inlet on the storage tank through a third pipe. A pump body is provided on the third pipe. The outlet on the storage tank is connected to the fiber membrane purification tank.

[0016] Preferably, the fiber membrane purification tank includes a purification tank body and several hollow fiber membrane tubes. The purification tank body is provided with a purification chamber. The purification chamber is provided with a first partition plate and a second partition plate from top to bottom. The first partition plate divides the purification chamber into a purification chamber, an extraction chamber, and an input chamber from top to bottom. The first partition plate is provided with several connecting holes for connecting the purification chamber and the extraction chamber. Several hollow fiber membrane tubes are arranged in the purification chamber and located between the first partition plate and the second partition plate. The upper ends of several hollow fiber membrane tubes are fixedly connected to the bottom of the first partition plate, and the lower ends extend through the second partition plate into the input chamber. The lower ends of several hollow fiber membrane tubes are fixedly connected to the second partition plate. The upper ends of several hollow fiber membrane tubes are provided with connecting pipes for connecting several hollow fiber membrane tubes. The purification tank body is provided with an input port communicating with the input chamber, an output port communicating with the purification chamber, and a connecting port communicating with the connecting pipe. The liquid outlet on the storage tank is connected to the input port on the purification tank body through a fourth pipe.

[0017] Preferably, the hollow fiber membrane tube includes a fiber membrane tube body and a pair of connecting tube heads. The pair of connecting tube heads are respectively disposed at both ends of the fiber membrane tube body and are fixedly connected to the fiber membrane tube body. The connecting tubes are disposed on the connecting tube heads at the upper ends of several hollow fiber membrane tubes for connecting several hollow fiber membrane tubes. The connecting tube heads at the lower ends of several hollow fiber membrane tubes respectively penetrate the second partition plate and extend into the input cavity. The connecting tube heads are fixedly connected to the second partition plate.

[0018] Preferably, a metering pump is installed on the fourth pipeline.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] In use, this invention first introduces crushed material into the material chamber of a vacuum stirring vessel through the material inlet. Then, a vacuum pump extracts gas from the condenser and vacuum stirring vessel, creating a relatively negative pressure environment. Next, heat transfer oil is introduced into the heating chamber through the oil inlet, heating the material chamber while the stirring assembly agitates the material. This causes water and volatile bioactive substances in the material to evaporate into low-temperature vapor under relatively low temperature and negative pressure conditions. The low-temperature vapor enters the condenser through the steam outlet on the vacuum stirring vessel, the first pipe, and the gas inlet on the condenser. Coolant is then introduced into the spiral condenser tubes within the condenser through the coolant inlet, condensing the low-temperature vapor into a liquid state, which then enters the fiber membrane purification device for purification. Compared to traditional steam distillation or solvent extraction methods, this invention utilizes low-temperature negative pressure conditions for evaporation and condensation, followed by purification via a fiber membrane purification device, minimizing the loss of volatile bioactive substances and the degradation of aroma. This solves the problem that the current extraction and purification of volatile bioactive substances easily leads to the loss of volatile bioactive substances and the degradation of aroma, thus affecting the quality and activity of the final product. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of a bioactive substance purification device described in an embodiment of this utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the vacuum stirring vessel described in the embodiment of this utility model;

[0023] Figure 3 This is a cross-sectional structural diagram of the vacuum stirring vessel described in this embodiment of the present invention;

[0024] Figure 4 This is as described in the embodiments of this utility model. Figure 3 A magnified schematic diagram of the partial structure at point A in the middle;

[0025] Figure 5 This is a schematic diagram of the condenser described in the embodiment of this utility model;

[0026] Figure 6 This is a schematic cross-sectional view of the fiber membrane purification tank described in this embodiment of the present invention;

[0027] Explanation of reference numerals in the attached figures:

[0028] 10-Vacuum stirred tank, 11-First pipe, 12-Second pipe, 13-Third pipe, 14-Pump body, 15-Fourth pipe, 16-Metering pump, 17-Valve, 100-Material chamber, 101-Material inlet, 102-Steam outlet, 103-Heating chamber, 104-Oil inlet, 105-Oil outlet, 106-Stirring shaft, 107-Stirring blade, 108-Connecting part, 109-Mounting pipe, 110-Drive motor, 111-Gear transmission, 112-Sealing ring, 113-Thermometer, 114-Pressure gauge, 20-Condenser, 200-Gas inlet, 201-Gas outlet, 20 2-Liquid outlet, 203-Spiral condenser, 204-Coolant inlet, 205-Coolant outlet, 30-Vacuum pump, 40-Fiber membrane purification device, 400-Storage tank, 401-Fiber membrane purification tank, 402-Liquid inlet, 403-Liquid outlet, 404-Purification tank body, 405-Hollow fiber membrane tube, 406-First partition plate, 407-Second partition plate, 408-Purification chamber, 409-Extraction chamber, 410-Input chamber, 411-Connecting hole, 412-Connecting pipe, 413-Input port, 414-Output port, 415-Connecting port, 416-Fiber membrane tube body, 417-Connecting pipe head. Detailed Implementation

[0029] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0030] Example:

[0031] like Figures 1 to 3 , Figure 5 As shown, in order to solve the above problems, this embodiment discloses a bioactive substance purification device, including a vacuum stirring vessel 10, a condenser 20, a vacuum pump 30 and a fiber membrane purification device 40. The vacuum stirring vessel 10 is provided with a material chamber 100, and a stirring assembly is provided in the material chamber 100. The vacuum stirring vessel 10 is provided with a material inlet 101 and a steam outlet 102 communicating with the material chamber 100. The material inlet 101 is located at the lower end of the vacuum stirring vessel 10, and the steam outlet 102 is located at the top of the vacuum stirring vessel 10. The vacuum stirring vessel 10 is provided with a heating chamber 103 that is configured to cooperate with the material chamber 100. The heating chamber 103 is located outside the material chamber 100 and at the lower end of the vacuum stirring vessel 10. An oil inlet 104 and an oil outlet 105 communicating with the heating chamber 103 are respectively provided on both sides of the lower end of the vacuum stirring vessel 10.

[0032] The condenser 20 is provided with a gas inlet 200, a gas outlet 201 and a liquid outlet 202. The gas inlet 200 is located at the lower end of the condenser 20, the gas outlet 201 is located at the top of the condenser 20, and the liquid outlet 202 is located at the bottom of the condenser 20. The condenser 20 is provided with a spiral condenser tube 203. The condenser 20 is provided with a coolant inlet 204 and a coolant outlet 205 communicating with the spiral condenser tube 203. The coolant inlet 204 is located at the upper end of the condenser 20, and the coolant outlet 205 is located at the lower end of the condenser 20.

[0033] The steam outlet 102 on the vacuum stirring vessel 10 is connected to the gas inlet 200 on the condenser 20 via a first pipe 11. The gas outlet 201 on the condenser 20 is connected to the vacuum pump 30 via a second pipe 12. The liquid outlet 202 on the condenser 20 is connected to the fiber membrane purification device 40.

[0034] In use, the crushed material is first fed into the material chamber 100 of the vacuum stirring vessel 10 through the material inlet 101. Then, the gas in the condenser 20 and the vacuum stirring vessel 10 is extracted by the vacuum pump 30, so that the vacuum stirring vessel 10 and the condenser 20 are in a relatively negative pressure environment. Then, heat transfer oil is fed into the heating chamber 103 through the oil inlet 104. The heat transfer oil heats the material chamber 100. At the same time, the stirring component stirs the material, so that the water and volatile bioactive substances in the material evaporate into low-temperature steam under relatively low temperature and negative pressure conditions. The low-temperature steam enters the condenser 20 through the steam outlet 102 on the vacuum stirring vessel 10, the first pipe 11, and the gas inlet 200 on the condenser 20. Then, the coolant is fed into the spiral condenser tube 203 in the condenser 20 through the coolant inlet 204. The low-temperature steam is condensed into liquid through the spiral condenser tube 203 and then enters the fiber membrane purification device 40 for purification. Compared to traditional steam distillation or solvent extraction methods, this invention utilizes low-temperature negative pressure conditions for evaporation and condensation, followed by purification via a fiber membrane purification device 40. This method minimizes the loss of volatile bioactive substances and the degradation of aroma. It solves the problem of loss of volatile bioactive substances and degradation of aroma during the extraction and purification of volatile bioactive substances, which negatively impacts the quality and activity of the final product.

[0035] It should be noted that the vacuum pump 30 continues to operate after creating negative pressure conditions, and its function is to extract unliquefied low-temperature vapor.

[0036] As a further preferred option, the coolant may be ethylene glycol refrigerant.

[0037] like Figure 1 , Figure 5 As shown, in the above embodiment, there can be two condensers 20. The steam outlet 102 of the vacuum stirring vessel 10 is connected to the gas inlet 200 of the first condenser 20 via a first pipe 11. The gas outlet 201 of the first condenser 20 is connected to the gas inlet 200 of the second condenser 20 via a pipe. Then, the gas outlet 201 of the second condenser 20 is connected to the vacuum pump 30 via a second pipe 12. The liquid outlets 202 of both condensers 20 are connected via pipes, and then connected to the fiber membrane purification device 40. Using two condensers 20 allows for better condensation of low-temperature steam. Similarly, there can also be multiple condensers 20.

[0038] To facilitate material mixing, this embodiment modifies the above embodiment. The difference is that the mixing assembly includes a mixing shaft 106 and at least one pair of mixing blades 107. The mixing shaft 106 is disposed in the material chamber 100, and at least one pair of mixing blades 107 are fixedly disposed on the mixing shaft 106. The top of the vacuum mixing vessel 10 is provided with a connecting part 108 and a mounting tube 109. One end of the mounting tube 109 is fixedly connected to the connecting part 108 by bolts, and the other end of the mounting tube 109 is provided with a driving component. One end of the mixing shaft 106 passes through the connecting part 108 and through the mounting tube 109 and is connected to the driving component. The mixing shaft 106 is rotatably connected to the connecting part 108 and the mounting tube 109, and the driving component is used to drive the mixing shaft 106 to rotate.

[0039] It should be noted that at least one pair of stirring blades 107 is required, but two or three pairs can also be used. The choice can be made based on the type of material. The stirring shaft 106 and the mounting tube 109 are rotatably connected via bearings.

[0040] like Figure 2 As shown, in order to facilitate the stirring of materials, this embodiment is modified based on the above embodiment. The difference from the above embodiment is that the driving component includes a drive motor 110 and a gear transmission 111. The gear transmission 111 is fixedly installed on the top of the mounting tube 109, the drive motor 110 is fixedly installed on the gear transmission 111, the output shaft of the drive motor 110 is fixedly connected to the input shaft of the gear transmission 111, and the output shaft of the gear transmission 111 is fixedly connected to the stirring shaft 106.

[0041] In use, the drive motor 110 drives the gear transmission 111, which in turn drives the stirring shaft 106, thereby causing the stirring blades 107 to stir the material. The gear transmission 111 facilitates control of the rotational speed of the stirring shaft 106, thus ensuring better stirring of the material. The drive motor 110 and gear transmission 111 can be any existing drive motor 110 and gear transmission 111 that can achieve the functions of this invention.

[0042] like Figure 4 As shown, in order to facilitate the formation of a negative pressure environment in the material chamber 100, it is further preferred that a sealing ring 112 is provided at the rotatable connection between the connecting part 108 and the stirring shaft 106. The sealing ring 112 is fixedly connected to the connecting part 108 and rotatably connected to the stirring shaft 106.

[0043] By setting the sealing ring 112, the rotational connection between the connecting part 108 and the stirring shaft 106 can have better sealing, thereby facilitating the formation of a negative pressure environment in the material chamber 100.

[0044] The vacuum stirring vessel 10 is equipped with a thermometer 113 at its lower end, which communicates with the material chamber 100. The thermometer 113 is used to detect the temperature inside the material chamber 100. The vacuum stirring vessel 10 is equipped with a pressure gauge 114 at its top, which communicates with the material chamber 100. The pressure gauge 114 is used to detect the pressure inside the material chamber 100. The thermometer 113 and pressure gauge 114 can be existing digital display thermometers 113 and 114. The placement of the thermometer 113 and pressure gauge 114 facilitates the detection of temperature and pressure in the material chamber 100, thereby facilitating the low-temperature evaporation of the material.

[0045] like Figure 6 As shown, to facilitate storage and purification of liquid water and volatile bioactive substances, this embodiment modifies the above embodiment. The difference lies in that the fiber membrane purification device 40 includes a storage tank 400 and a fiber membrane purification tank 401. The storage tank 400 has an inlet 402 and an outlet 403. The inlet 402 is located at the upper end of the storage tank 400, and the outlet 403 is located at the bottom of the storage tank 400. The liquid outlet 202 on the condenser 20 is connected to the inlet 402 on the storage tank 400 via a third pipe 13. A pump body 14 is installed on the third pipe 13, and the outlet 403 on the storage tank 400 is connected to the fiber membrane purification tank 401. The storage tank 400 facilitates the collection and storage of liquid water and volatile bioactive substances, thereby facilitating subsequent purification of these substances. The pump body 14 can be a liquid transfer pump in the prior art. The arrangement of the pump body 14 can facilitate the pumping of liquid water and volatile bioactive substances condensed in the condenser 20 into the storage tank 400.

[0046] The fiber membrane purification tank 401 includes a purification tank body 404 and several hollow fiber membrane tubes 405. The purification tank body 404 has a purification chamber, within which a first partition plate 406 and a second partition plate 407 are arranged sequentially from top to bottom. The first partition plate 406 divides the purification chamber into a purification chamber 408, an extraction chamber 409, and an input chamber 400, arranged sequentially from top to bottom. The first partition plate 406 has several connecting holes 411 for connecting the purification chamber 408 and the extraction chamber 409. Several hollow fiber membrane tubes 405 are disposed within the purification chamber 408, located between the first partition plate 406 and the second partition plate 407. The upper ends of the hollow fiber membrane tubes 405 are fixedly connected to the bottom of the first partition plate 406, and their lower ends penetrate the second partition plate 407. 07 extends into the input cavity 410. The lower ends of several hollow fiber membrane tubes 405 are fixedly connected to the second partition plate 407. The upper ends of several hollow fiber membrane tubes 405 are provided with connecting pipes 412 for connecting several hollow fiber membrane tubes 405. The purification tank 404 is provided with an input port 413 communicating with the input cavity 410, an output port 414 communicating with the purification cavity 408, and a connecting port 415 communicating with the connecting pipes 412. The input port 413 is located at the lower end of the purification tank 404, the output port 414 and the connecting port 415 are located at the upper end of the purification tank 404, and the connecting port 415 is located below the output port 414. The liquid outlet 403 on the storage tank 400 is connected to the input port 413 on the purification tank 404 through the fourth pipe 15.

[0047] The hollow fiber membrane tube 405 includes a fiber membrane tube body 416 and a pair of connecting tube heads 417. The pair of connecting tube heads 417 are respectively disposed at both ends of the fiber membrane tube body 416 and are fixedly connected to the fiber membrane tube body 416. The connecting tube 412 is disposed on the connecting tube heads 417 at the upper ends of the hollow fiber membrane tubes 405 and is used to connect the hollow fiber membrane tubes 405. The connecting tube heads 417 at the lower ends of the hollow fiber membrane tubes 405 respectively pass through the second partition plate 407 and extend into the input cavity 410. The connecting tube head 417 is fixedly connected to the second partition plate 407.

[0048] In use, the liquid water and volatile bioactive substances in the storage tank 400 enter the fourth pipe 15 through the outlet 403, and then enter the input chamber 410 in the purification tank 404 through the fourth pipe 15 and the inlet 413. After the liquid water and volatile bioactive substances in the input chamber 410 rise, they enter the fiber membrane tube body 416 through the connecting pipe head 417 at the lower end of the hollow fiber membrane tube 405. Then, the liquid volatile bioactive substances permeate into the extraction chamber 409 through the fiber membrane tube body 416. After the liquid volatile bioactive substances in the extraction chamber 409 rise, they enter the purification chamber 408 through the connecting hole 411, and then are discharged and collected through the outlet 414. The liquid water enters the connecting pipe 412 through the connecting pipe head 417 at the upper end of the hollow fiber membrane tube 405, and then is discharged and collected through the connecting port 415. This completes the purification process.

[0049] A metering pump 16 is installed on the fourth pipe 15. The metering pump 16 facilitates the detection of the total flow rate of the liquid entering the purification tank 404.

[0050] It should be noted that the metering pump 16 can be any metering pump 16 that can achieve the function of this utility model in the prior art. The fiber membrane tube 416 can be a hollow fiber membrane tube made of oleophilic and hydrophobic materials in the prior art.

[0051] In another embodiment, as a further preferred embodiment, a liquid transfer pump and a flow meter are provided on the fourth pipe 15. The combination of the liquid transfer pump and the flow meter can also realize the detection of the total flow rate of the liquid entering the purification tank 404.

[0052] like Figure 1 As shown, in the above embodiment, at least one valve 17 is provided on each of the first pipe 11, the second pipe 12, the third pipe 13, and the fourth pipe 15. The valve 17 can be a manual valve or a solenoid valve as used in the prior art. The valve 17 is used to control the delivery of low-temperature steam or liquid water and volatile bioactive substances. Specifically, a valve 17 is provided at the inlet 413, outlet 414, and connection port 415 of the purification tank 404, and the valve 17 is used to control the output of liquid from the purification tank 404.

[0053] Working principle of this utility model:

[0054] In use, the crushed material is first fed into the material chamber 100 of the vacuum stirring vessel 10 through the material inlet 101. Then, the gas in the condenser 20 and the vacuum stirring vessel 10 is extracted by the vacuum pump 30, so that the vacuum stirring vessel 10 and the condenser 20 are in a relatively negative pressure environment. Then, heat transfer oil is fed into the heating chamber 103 through the oil inlet 104. The heat transfer oil heats the material chamber 100. At the same time, the stirring component stirs the material, so that the water and volatile bioactive substances in the material evaporate into low-temperature steam under relatively low temperature and negative pressure conditions. The low-temperature steam enters the condenser 20 through the steam outlet 102 on the vacuum stirring vessel 10, the first pipe 11, and the gas inlet 200 on the condenser 20. Then, the coolant is fed into the spiral condenser tube 203 in the condenser 20 through the coolant inlet 204. The low-temperature steam is condensed into liquid through the spiral condenser tube 203 and then enters the fiber membrane purification device 40 for purification. Compared to traditional steam distillation or solvent extraction methods, this invention performs evaporation and condensation under low temperature and negative pressure conditions, and finally purifies the product through a fiber membrane purification device 40, which is less likely to cause the loss of volatile bioactive substances and the degradation of aroma.

[0055] The embodiments described above merely illustrate specific implementations of this utility model, and while the descriptions are detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A bioactive substance purification device, characterized in that, The device comprises a vacuum stirring kettle (10), a condenser (20), a vacuum pump (30) and a fiber membrane purification device (40), the vacuum stirring kettle (10) is provided with a material cavity (100), the material cavity (100) is provided with a stirring assembly, the vacuum stirring kettle (10) is provided with a material inlet (101) and a steam outlet (102) communicated with the material cavity (100), the vacuum stirring kettle (10) is provided with a heating cavity (103) matched with the material cavity (100), and the vacuum stirring kettle (10) is provided with an oil inlet (104) and an oil outlet (105) communicated with the heating cavity (103); The condenser (20) is provided with a gas inlet (200), a gas outlet (201) and a liquid outlet (202), and the condenser (20) is provided with a spiral condenser pipe (203), a cooling liquid inlet (204) and a cooling liquid outlet (205) communicated with the spiral condenser pipe (203); The steam outlet (102) of the vacuum stirring kettle (10) is connected with the gas inlet (200) of the condenser (20) through a first pipeline (11), the gas outlet (201) of the condenser (20) is connected with the vacuum pump (30) through a second pipeline (12), and the liquid outlet (202) of the condenser (20) is connected with the fiber membrane purification device (40).

2. The apparatus for purifying a biologically active substance according to claim 1, wherein The stirring assembly comprises a stirring shaft (106) and at least one pair of stirring blades (107), the stirring shaft (106) is arranged in the material cavity (100), and the at least one pair of stirring blades (107) is fixedly arranged on the stirring shaft (106); the top of the vacuum stirring kettle (10) is provided with a connecting portion (108) and a mounting pipe (109), one end of the mounting pipe (109) is fixedly connected with the connecting portion (108) through bolts, the other end of the mounting pipe (109) is provided with a driving member, one end of the stirring shaft (106) penetrates through the connecting portion (108) and passes through the mounting pipe (109) to be connected with the driving member, and the stirring shaft (106) is rotatably connected with the connecting portion (108) and the mounting pipe (109); the driving member is used for driving the stirring shaft (106) to rotate.

3. The apparatus for purifying a biologically active substance according to claim 2, wherein The driving member comprises a driving motor (110) and a gear transmission (111), the gear transmission (111) is fixedly arranged on the top of the mounting pipe (109), the driving motor (110) is fixedly arranged on the gear transmission (111), the output shaft of the driving motor (110) is fixedly connected with the input shaft of the gear transmission (111), and the output shaft of the gear transmission (111) is fixedly connected with the stirring shaft (106).

4. The apparatus for purifying a biologically active substance according to claim 3, wherein A sealing ring (112) is arranged at the rotary connection position of the connecting portion (108) and the stirring shaft (106), the sealing ring (112) is fixedly connected with the connecting portion (108) and rotatably connected with the stirring shaft (106).

5. The apparatus for purifying a biologically active substance according to claim 4, wherein The lower end of the vacuum stirring kettle (10) is provided with a thermometer (113) communicated with the material cavity (100), and the thermometer (113) is used for detecting the temperature in the material cavity (100).

6. The apparatus for purifying a biologically active substance according to claim 5, wherein The top of the vacuum stirring kettle (10) is provided with a pressure gauge (114) communicated with the material cavity (100), and the pressure gauge (114) is used for detecting the pressure in the material cavity (100).

7. The apparatus for purifying a biologically active substance according to claim 6, wherein The fiber membrane purification device (40) comprises a storage tank (400) and a fiber membrane purification tank (401), the storage tank (400) is provided with a liquid inlet (402) and a liquid outlet (403), the liquid outlet (202) of the condenser (20) is connected with the liquid inlet (402) of the storage tank (400) through a third pipeline (13), the third pipeline (13) is provided with a pump body (14), and the liquid outlet (403) of the storage tank (400) is connected with the fiber membrane purification tank (401).

8. The apparatus for purifying a biologically active substance according to claim 7, wherein The fiber membrane purification tank (401) comprises a purification tank body (404) and a plurality of hollow fiber membrane tubes (405), the purification tank body (404) is provided with a purification cavity, the purification cavity is sequentially provided with a first partition plate (406) and a second partition plate (407) from top to bottom, the first partition plate (406) divides the purification cavity into a purification cavity (408), an extraction cavity (409) and an input cavity (410) from top to bottom, the first partition plate (406) is provided with a plurality of connecting holes (411) for connecting the purification cavity (408) and the extraction cavity (409), the plurality of hollow fiber membrane tubes (405) are arranged in the purification cavity (408) and located between the first partition plate (406) and the second partition plate (407), the upper ends of the plurality of hollow fiber membrane tubes (405) are fixedly connected with the bottom of the first partition plate (406), the lower ends of the plurality of hollow fiber membrane tubes (405) extend through the second partition plate (407) and into the input cavity (410), the lower ends of the plurality of hollow fiber membrane tubes (405) are fixedly connected with the second partition plate (407), the upper ends of the plurality of hollow fiber membrane tubes (405) are provided with a connecting pipe (412) for connecting the plurality of hollow fiber membrane tubes (405), the purification tank body (404) is provided with an input port (413) communicated with the input cavity (410), an output port (414) communicated with the purification cavity (408) and a connecting port (415) communicated with the connecting pipe (412), and the liquid outlet (403) of the storage tank (400) is connected with the input port (413) of the purification tank body (404) through a fourth pipeline (15).

9. The apparatus for purifying a biologically active substance according to claim 8, wherein The hollow fiber membrane tube (405) comprises a fiber membrane tube body (416) and a pair of connecting pipe heads (417), the pair of connecting pipe heads (417) are arranged at the two ends of the fiber membrane tube body (416) and fixedly connected with the fiber membrane tube body (416), the connecting pipe (412) is arranged on the connecting pipe head (417) at the upper end of the plurality of hollow fiber membrane tubes (405) and used for connecting the plurality of hollow fiber membrane tubes (405), and the connecting pipe heads (417) at the lower ends of the plurality of hollow fiber membrane tubes (405) extend through the second partition plate (407) and into the input cavity (410) respectively, and the connecting pipe heads (417) are fixedly connected with the second partition plate (407).

10. The apparatus for purifying a biologically active substance according to claim 9, wherein The fourth pipeline (15) is provided with a metering pump (16).

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