CN115382247B

CN115382247B - Traditional chinese medicine continuous extraction element

Info

Publication number: CN115382247B
Application number: CN202211129730.2A
Authority: CN
Inventors: 张语迟; 李赛男; 李玉春; 李天娇; 崔光豪; 刘箬瑶; 梁佳祺; 张雨桐; 刘强; 刘春明
Original assignee: Changchun Normal University; First Clinical Hospital of Jilin Academy of Traditional Chinese Medicine
Current assignee: Changchun Normal University; First Clinical Hospital of Jilin Academy of Traditional Chinese Medicine
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2024-04-19
Anticipated expiration: 2042-09-16
Also published as: CN115382247A

Abstract

A traditional Chinese medicine continuous extraction device relates to the field of traditional Chinese medicine extraction equipment, and comprises an extraction liquid bin, a material bin, a feeding conveying assembly and a discharging conveying assembly; a screw conveying pipe; a material sieve plate is arranged between the extracting solution bin and the material bin; the extracting solution bin is provided with two extracting solution outlets; a discharging and conveying assembly is arranged on the material bin; an extraction chamber is arranged in the material bin; a stirring paddle is arranged in the extraction chamber, and a centrifugal paddle is coaxially arranged at the bottom of the extraction chamber and in the material bin and is coaxial with the stirring paddle; the feeding and conveying assembly passes through the extracting liquid bin and the material sieve plate to be communicated with the extracting chamber. The invention ensures that the contact time of the material and the extraction solvent is long, and the effective concentration difference is not formed between the original extraction solvent and the extraction solution, thereby retaining the original solvent with low concentration, pumping out the extract solution with high concentration, retaining the original material with short extraction time, pumping out the residue with long extraction time, improving the extraction efficiency and saving the extraction solvent and the material.

Description

Traditional chinese medicine continuous extraction element

Technical Field

The invention relates to the field of traditional Chinese medicine extraction equipment, in particular to a traditional Chinese medicine continuous extraction device which is used for extracting solution and residues in a separated mode.

Background

In the field of traditional Chinese medicine extraction, most of extraction methods are solvent extraction methods except few methods such as CO ₂ supercritical fluid extraction and sublimation method, namely, an appropriate extraction solvent is used as a solvent, active ingredients are extracted from crude drug decoction pieces and crushed materials according to similar compatibility principles, and the solvent extraction method has extremely large specific gravity in scientific research and industry compared with non-solvent extraction methods such as CO ₂ supercritical fluid extraction and sublimation method, wherein the extraction method comprises a reflux method, a continuous reflux method, an ultrasonic auxiliary extraction method, a microwave auxiliary extraction method, a decoction method, an immersion method, a percolation method and the like.

The traditional solvent extraction method mostly adopts a container with a fixed volume, comprising a round bottom flask, a Soxhlet extractor, a percolating cylinder, an extraction tank and the like, and before re-extraction, the materials are placed into the extraction container, the solvent is added for extraction, after the extraction is finished, the supernatant is poured, and residues are taken out of the extraction container. Because the above-mentioned method has the processes of "placing material into extraction container, adding solvent, pouring supernatant and taking out residue", the traditional method is more suitable for single extraction, and for several extractions, a large quantity of repeated processes of "placing material into extraction container, adding solvent, pouring supernatant and taking out residue" are required, so that it is a waste of manpower and material resources.

Based on the above situation, methods such as continuous countercurrent extraction have been developed, and continuous processes such as material feeding, slag discharging, solvent pumping and extracting liquid pumping are realized. However, in the current method, the problems of short contact time of the material and the extraction solvent, no effective concentration difference between the original extraction solvent and the extraction solution, slag discharge after the material is not completely extracted and the like exist in most cases, so that the extraction of the effective components is incomplete, and the waste problems of high consumption of the extraction solvent and the material and the like are generated.

Disclosure of Invention

The invention provides a traditional Chinese medicine continuous extraction device, which ensures that the contact time of materials and an extraction solvent is long, and the effective concentration difference is not formed between the original extraction solvent and an extraction solution, so that the original solvent with low concentration is reserved, the high-concentration extraction solution is pumped out, the original material with short extraction time is reserved, the residue with long extraction time is pumped out, the extraction efficiency is improved, the extraction solvent and the materials are saved, simultaneously, the hands are liberated, the loss of manpower and material resources is reduced, and the influence of the precision brought by manual operation is avoided to the greatest extent.

A continuous Chinese medicine extraction device comprises an extracting solution bin, a material bin, a feeding conveying component and a discharging conveying component; a screw conveying pipe; a material sieve plate is arranged between the extracting solution bin and the material bin; the extracting solution bin is provided with two extracting solution outlets; a discharging and conveying assembly is arranged on the material bin; an extraction chamber is arranged in the material bin; a stirring paddle is arranged in the extraction chamber, and a centrifugal paddle is coaxially arranged at the bottom of the extraction chamber and in the material bin and is coaxial with the stirring paddle; the feeding and conveying assembly passes through the extracting liquid bin and the material sieve plate to be communicated with the extracting chamber.

The invention has the beneficial effects that:

1. in the invention, belt transmission and gear transmission are applied among the second discharging conveying pipe, the first discharging conveying pipe and the feeding conveying pipe, and feeding and deslagging can be completed by only using one motor, and feeding and deslagging are synchronously carried out at the same speed.

2. In the invention, the extracting liquid bin, the extracting chamber and the material bin are relatively independent and separated from each other, so that the condition that materials and extracting solvents are always in a fixed container in the traditional extracting method can be avoided, the extraction and the materials are also separated orderly, and the contact time of the materials and the extracting solvents is prolonged, so that the materials are fully extracted.

3. According to the invention, the shell of the material bin is of an arc-shaped structure, and the first discharging conveying pipe is in embedded fit with the material bin, so that slag is discharged rapidly, and the slag discharging efficiency is improved. In addition, the part of the first discharging conveying pipe, which is embedded with the material bin, adopts a soft shaftless spiral conveying blade, so that the spiral conveying blade is in good contact with the embedded part of the material bin, the shape of the spiral conveying blade can be changed along with rotation, the inner wall of the embedded part is closely attached at any time, and the slag discharging efficiency is further improved.

4. In the invention, the front end of the jogged part of the material bin and the first discharging conveying pipe is provided with the granular slag blocking area and the slag blocking screen plate, the granular slag blocking area can delay the travelling speed of residues in the material bin, so that the enrichment of the residues in the jogged part is facilitated, the first discharging conveying pipe is further utilized for deslagging, and the slag blocking screen plate is simultaneously distributed with small holes and bulges, so that the extract solution can not generate vortex when passing through the slag blocking screen plate, the extract solution can pass through, the travelling of the residues can be effectively blocked, and the deslagging of the first discharging conveying pipe is further facilitated.

5. In the invention, the curved ultrasonic vibration rod is arranged outside the material bin, so that the disassembly and the maintenance are convenient. The ultrasonic vibration rod is a curved ultrasonic vibration rod with four structures of an ultrasonic vibrator, an inner shell, water and an outer shell, can perform ultrasonic auxiliary extraction of traditional Chinese medicine, and improves extraction efficiency. Water is distributed around the vibrator to prevent damage caused by dry burning.

6. In the invention, the stirring paddle and the centrifugal paddle are coaxial, the inner part is sealed with the extraction solvent inlet pipe shaft, the outer part is sealed with the sealing sleeve fixed by the isolation cover, the device can lead the extraction solvent inlet pipe and the paddle main shaft to be concentric, on one hand, the extraction solvent newly entering the extraction chamber and the materials newly entering the extraction chamber can be contacted and stirred rapidly, the extraction rate can be improved, on the other hand, the device can save the bottom space of the extraction device, and provides a larger space for the discharge port of residual extraction solution and the distribution of electric heating wires.

7. In the invention, the stirring paddle and the centrifugal paddle are coaxial, and different functions can be completed by adopting blades with different shapes, so that the functions of stirring, extracting, separating feed liquid and the like can be completed by using only one motor.

8. In the angle gear transmission set, the vertical gear can be of conventional design, the inclined gear adopts the star gear, the star gear is well meshed with the vertical gear, the overlapping coefficient is higher, and the angle gear transmission set can be suitable for transmission at any angle.

9. In the invention, the first discharging conveying pipe is connected with the second discharging conveying pipe, so that the discharging and deslagging are smoother and more orderly, and the residues are easier to collect.

Drawings

Fig. 1 is a front overall view of a first embodiment of the present invention.

FIG. 2 is a front view annotated graphics of a first embodiment of the invention.

Fig. 3 is a top view of an extraction apparatus according to a first embodiment of the invention. The direction indicated by the arrow is the direction of rotation of the centrifugal impeller.

Fig. 4 is a partial front view of an extracting device according to a first embodiment of the present invention.

Fig. 5 is a front view of a slag blocking screen of the first embodiment of the invention. Triangular apertures are distributed on the upper surface, and triangular bulges are arranged at the front ends of the apertures.

FIG. 6 is a detailed elevation view of a shaft seal portion according to a first embodiment of the invention.

Fig. 7 is a detailed front view of the angular gear assembly according to the first embodiment of the present invention.

Fig. 8 is a gear pattern of an angle gear set according to the first and second embodiments of the present invention. (a) embodiment angular gear set configuration, (b) embodiment angular gear set longitudinal gear elevation, (c) embodiment two-angle gear set 45 ° gear elevation, (d) embodiment angular gear set 45 ° gear elevation, (e) embodiment two-angle gear set 45 ° gear top view.

Fig. 9 is a detailed view of a centrifugal impeller according to a first embodiment of the invention. (a) a top view of the centrifugal impeller, (b) a left side view of the centrifugal impeller blade, and (c) a side view of the centrifugal impeller blade.

In the figure: 1. the device comprises a feed inlet, 2, a conveying motor, 3, a fixed rod, 4, a belt transmission, 5, a feed conveying pipe, 6, a shaft fixing plate, 7, an angle gear transmission group, 8, a discharge baffle, 9, a second discharge conveying pipe, 10, a second extract outlet, 11, a first extract outlet, 12, an extract bin, 13, a first discharge conveying pipe, 14, a material sieve plate, 15, an extraction chamber, 16, a material bin, 17, an extraction chamber baffle, 18, a stirring paddle, 19, a centrifugal paddle, 20, an electric heating wire, 21, a screw motor, 22, an extraction solvent inlet pipe, 23, a granular slag blocking area, 24, a slag blocking sieve plate, 25, a curved ultrasonic vibration rod, 26, a shaft seal, 27, a separation cover, 28, an extract bin flange hoop, 29 and a material bin flange hoop.

Detailed Description

The present embodiment will be described with reference to fig. 1 to 9, which is a continuous extraction device for chinese medicine, comprising 29 main structures: the device comprises a feed inlet 1, a screw conveying motor 2, a fixed rod 3, a belt 4, a feed conveying pipe 5, a shaft fixed plate 6, an angle gear transmission group 7, a discharge baffle 8, a second discharge conveying pipe 9, a second extracting solution outlet 10, a first extracting solution outlet 11, an extracting solution bin 12, a first discharge conveying pipe 13, a material sieve plate 14, an extracting chamber 15, a material bin 16, an extracting chamber baffle 17, a stirring paddle 18, a centrifugal paddle 19, an electric heating wire 20, a screw motor 21, an extracting solvent inlet pipe 22, a granular slag blocking area 23, a slag blocking sieve plate 24, a curved ultrasonic vibration rod 25, a shaft seal 26, a separation cover 27, an extracting solution bin flange hoop 28 and a material bin flange hoop 29.

The second extracting solution outlet 10 is positioned in the middle of the extracting solution bin 12, and can be used for discharging the extracting solution when more suspended precipitates exist in the extracting solution. The first extract outlet 11 is located at the bottom of the extract bin 12, i.e. immediately above the material screen 14, and is optionally used for discharging the extract when there is less suspended precipitation in the extract.

The extracting solution bin 12 is arranged on the material bin 16 body, is separated from the material bin 16 by a material sieve plate 14, is in an ellipsoidal shape, has the width of 50-200 mm and the height of 40-180 mm, and can discharge and pump the first extracting solution entering the extracting solution bin 12 through the first extracting solution outlet 11 and the second extracting solution outlet 10. The wall of the extracting solution bin 12 and the wall of the material bin 16 can be divided into an upper part and a lower part, so that the extracting solution bin is convenient to detach, clean and maintain, and the extracting solution bin and the material bin are sealed by an extracting solution bin flange hoop 28 and a material bin flange hoop 29.

The material sieve plate 14 is positioned between the extracting solution bin 12 and the material bin 16 and is used for filtering the dregs, so that the extracting solution is filtered from the material bin 16 into the extracting solution bin 12 to form a round shape or an oval shape, the diameter of the extracting solution is 50-200 mm, the middle of the extracting solution is provided with a hole, and the aperture of the extracting solution is 0.1-1.0 mm.

The conveying motor 2 drives a spiral conveying rod in the feeding conveying pipe 5, the feeding port 1 is arranged on the feeding conveying pipe 5, the feeding port 1 is vertical, and materials are directly fed into the vertical feeding conveying pipe 5 after being fed through the feeding port 1, so that smooth operation of the materials is ensured, and blockage caused by clamping of the materials is avoided. The conveyor motor 2 serves to drive the feed conveyor pipe 5 and further indirectly the first discharge conveyor pipe 13 and the second discharge conveyor pipe 9.

The first discharging conveying pipe 13 is arranged on the material bin 16, the first discharging conveying pipe 13 and the feeding conveying pipe 5 are fixedly connected through the fixing rod 3, and the conveying motor 2 drives the spiral conveying rod in the first discharging conveying pipe 13 to rotate through the transmission of the belt 4;

The angle gear transmission group 7 is used for realizing the connection of a rotary conveying rod in the first discharging conveying pipe 13 and a rotary conveying rod in the second discharging conveying pipe 9, and the discharging baffle plate 8 is respectively fixed in the first discharging conveying pipe 13 and the second discharging conveying pipe 9.

The fixed rod 3 is used for fixedly driving the feeding conveying pipe 5 and the first discharging spiral conveying pipe 13, so that the device is firm and stable. The belt 4 is used for driving to connect the feeding conveying pipe 5 and the first discharging conveying pipe 13, and the spiral conveying of feeding and deslagging can be completed by using only one motor, namely the conveying motor 2, through the belt 4. The feeding conveying pipe 5 directly passes through the extracting solution bin 12 and the material sieve plate 14 to reach the top end of the extracting chamber 15, and is in quick contact with the extracting solvent, so that the extracting time is prolonged, the extracting efficiency is improved,

The shaft fixing plate 6 is used for fixing the first discharging conveying pipe 13, so that the discharging spiral conveying pipe system is firm and stable. The angle gear drive set 7 has the following functions: the spiral conveying of feeding and deslagging can be completed by only using one motor, namely the conveying motor 2, under the action of connecting the shaft of the first discharging conveying pipe 13 and the second discharging conveying pipe 9, so that deslagging is smooth. The angle gear transmission group 7 comprises two gears, namely a vertical gear and an angle gear, wherein the angle gear is a star gear. The diameters of the vertical gear and the angle gear are 4-15 mm.

The discharging baffle 8 has the functions that: blocking the material from running upwards to block the angle gear drive set 7; the main shaft of the second discharging conveying pipe 9 is fixed. The second discharging conveying pipe 9 is connected with the first discharging conveying pipe 13 through the angle gear transmission group 7, and the function is to enable slag to be discharged smoothly and orderly, so that the slag is convenient to collect.

In this embodiment, the spiral direction of the first discharging conveying pipe 13 is opposite to that of the feeding conveying pipe 5, and the first discharging conveying pipe is divided into an upper part and a lower part, the upper end of the first discharging conveying pipe is located at the upper end of the material bin 16, the diameters of the screw sheets are uniform and the same, the lower end of the first discharging conveying pipe is located on the material bin 16 body and is embedded with the material bin 16, the embedded part of the material bin is provided with a large-aperture isolation net, so that the screw sheets are stable, the screw sheets are soft, and the screw sheets are convenient to rotate and slag discharge in the material bin 16. The length of the first discharging conveying pipe is 150-400 mm, and the diameter is 10-40 mm.

In this embodiment, the extracting chamber 15 is in an ellipsoidal shape and is located in the transverse oval material bin 16 for extracting materials, the feeding conveying pipe 5 directly goes deep into the extracting chamber 15 and is in direct contact with the extracting solvent, and the width of the extracting chamber 15 is 40-180 mm and the height is 30-150 mm. The lower part is provided with a circular channel with the diameter of 8-40 mm.

In this embodiment, the material bin 16 is in a transverse oval shape (water drop shape), an electric heating wire is coiled at the bottom of the outer side, the stirring paddle 18 and the centrifugal paddle 19 are coaxial, the material bin 16 penetrates through the bottom of the material bin and is sealed with the material bin by a shaft, and the width of the material bin 16 is 100-350 mm and the height is 60-250 mm. The bottom is detachable, the cleaning and the maintenance are convenient, and the two parts are combined and sealed by the flange hoop.

In this embodiment, the baffle 17 is an outer layer structure of the extracting chamber 15, and is in an ellipsoidal shape. The stirring paddle 18 is located in the extraction chamber 15 and serves to stir the material and the extraction solvent and to lengthen the retention time of the material in the extraction chamber 15, the number of blades being 3-8, the thickness being 2-10 mm and the diameter being 15-50 mm. A centrifugal impeller 19 is located at the bottom of the bin 16 and serves to centrifuge the extracted residue to a position at the edge of the bin 16, coaxially with the impeller 18, and driven by a motor. The axes of the stirring paddle 18 and the centrifugal paddle 19 are in shaft seal with the extracting solution inlet pipe 22. The number of blades of the centrifugal paddles 19 is 3-8, the number of the blades and the plane are 0-30 degrees, and the straight view on the left side of the paddles is 1/4 to semicircular. The diameter of the centrifugal impeller is 25-150 mm.

In this embodiment, the electric heating wire 20 is an extraction auxiliary device, and can be selectively heated during extraction, and the temperature range is from room temperature to 300 ℃.

The propeller motor 21 is located at the lowest part of the whole device for rotation of the stirring paddles 18 and the centrifugal paddles 19.

In this embodiment, the granular slag blocking area 23 is located on the wall of the material bin 16 and is located at the front end of the embedded part of the first discharging conveying pipe 13 and the material bin 16, so as to facilitate slowing down the movement speed of the residues, facilitate the aggregation and deslagging of the residues on the first discharging conveying pipe 13, and form granular protrusions on the granular slag blocking area 23, wherein the height of the granules is 0.5-10.0 mm, and the number of the granular protrusions is 20-200.

The slag blocking sieve plate 24 is positioned on the wall of the material bin 16 and positioned at the rear end of the jogged part of the first discharging conveying pipe 13 and the material bin 16, so that the moving speed of the slag is convenient to slow down and block, slag is easy to gather and slag off in the first discharging conveying pipe 13, the slag blocking sieve plate 24 is in a crescent shape, the size is determined according to the size of the material bin 16, the side surface is closely connected with the material bin 16, small holes are arranged on the side surface, protrusions are arranged beside the small holes, the pore diameter is 1.5-8.0 mm, and the number of the small holes is 20-100.

The curved ultrasonic vibration bars 25 are arranged at the middle lower part of the outer shell of the material bin 16, are symmetrically distributed on the outer shell of the material bin 16, are tightly attached to the outer shell of the material bin 16, are 80-250 mm in length, each of the curved ultrasonic vibration bars contains 4-8 vibrators, water is contained in the vibration bars, and the vibrators are arranged in water and used for preventing damage caused by dry burning due to water shortage.

The shaft seal 26 is located at the bottom of the material bin 16, and is a shaft shared by the stirring paddles 18 and the centrifugal paddles 19, and is shaft-sealed with the housing of the material bin 16 and the extraction solvent inlet pipe 22. When the device is in operation, the extraction solvent inlet pipe and the shell of the material bin 16 are in a static state, and the common shaft of the stirring paddle 18 and the centrifugal paddle 19 is in a rotating state. The diameter of the common shaft of the stirring paddle 18 and the centrifugal paddle 19 is 1.0-10.0 mm, the length is 50-200 mm, the diameter of the extracting solution inlet pipe 22 is 0.2-3.0 mm, and the length is 50-200 mm.

The isolation cover 27 is positioned at the bottom of the material bin 16 and is of a hemispherical structure, and plays a role in supporting the sleeve of the shaft seal 26, so that the system is stable and the shaft rotates stably; secondly, the sealing function of the material bin 16 is achieved, and the leakage of the solution from the periphery of the shaft sealing shell is prevented.

In this embodiment, the rotating spindle of the propeller motor 21 is hollow, the hollow spindle is fixed to the motor magnet block, the stirring paddle 18 and the centrifugal slurry 19 are fixed to the motor spindle inside the baffle 17 of the extraction chamber, the spindle is shaft-sealed with the extraction solvent inlet pipe 22, the uppermost part of the extraction solvent inlet pipe 22 is higher than the stirring paddle 18, and the lower part is longer than the coil block housing, and is shaft-sealed with the isolation cover 27. The extracting solvent inlet pipe 22 is fixed with a motor coil block, the coil block is fixed after the propeller motor 21 is electrified, the magnet block rotates to drive a motor hollow main shaft to rotate, and the motor hollow main shaft drives the stirring paddle 18 and the centrifugal slurry 19 to rotate, so that the extracting solvent inlet pipe 22 does not rotate.

The working principle of the device in the embodiment is as follows:

the material enters the feed conveying pipe 5 through the feed inlet 1, is conveyed into the extraction chamber 15, is in direct contact with the solvent in the extraction solvent inlet pipe 22, and is stirred by the stirring paddle 18 to realize solvent extraction. Along with the continuous entering of material and solvent into extracting chamber 15, produce residue and extract solution after extracting in advance and enter into material storehouse 16 through the passageway below extracting chamber baffle 17, the residue is concentrated near material storehouse 16 wall when the residue is centrifugal under the effect of centrifugal impeller 19, the oval of material storehouse 16 design as horizontal, the residue is when keeping away from the central point in the material storehouse 16, receive the dual hindrance of granule to hinder sediment district 23 and pushing off the sediment sieve 24, delay the speed of traveling, thereby make the residue gomphosis in first ejection of compact conveyer pipe 13 and material storehouse 16 gather, then enter into first ejection of compact conveyer pipe 13 and upwards carry, when carrying the top of first ejection of compact conveyer pipe 13, further carry second ejection of compact conveyer pipe 9 and carry out the sediment release. At the same time, the residue and the extract solution which have entered the material bin 16 are continuously contacted and extracted, so that the material and the solvent are extracted in the extraction chamber 15, and the secondary extraction is performed in the material bin 16, thereby completing the extraction. The residues extracted in advance are continuously discharged in enrichment. The extracting solution enters the extracting solution bin 12 through the material sieve plate 14 for enrichment, and is discharged through the second extracting solution outlet 10 and the first extracting solution outlet 11.

The following describes a first embodiment in detail by way of specific examples:

Example 1:

The present embodiment will be described with reference to fig. 1 to 9, wherein the bevel gear in the angle gear transmission group 7 is of the type (d) in fig. 8.

The extracting solution bin 12 is arranged on the material bin 16 body, is separated from the material bin 16 by a material sieve plate 14, is in an ellipsoid shape, and has a width of 70 mm and a height of 50 mm.

The length of the first discharging conveying pipe 13 is 160 mm, and the diameter is 15 mm.

The material screen plate 14 is round, has a diameter of 50 mm, and has a hole in the middle, wherein the hole diameter is 0.2 mm.

The extracting chamber 15 is in an ellipsoid shape, and has a width of 55 mm and a height of 45 mm. The lower part is provided with a circular channel with the diameter of 15 mm

The width of the material bin 16 is 150 mm and the height is 60 mm.

The number of blades of the stirring paddle 18 is 3, the thickness is 3 mm, and the diameter is 15 mm.

The number of blades of the centrifugal paddles 19 is 3, the blades and the plane are 10 degrees, and the straight view on the left side of the blades is 1/4 of a full circle. The diameter of the centrifugal impeller is 25 mm.

The temperature range of the electric heating wire 20 is 120 ℃.

The height of the granular protrusions on the granular slag blocking area 23 is 1.0 mm, and the number of the granular protrusions is 20.

The aperture of the slag blocking sieve plate 24 is 1.5 mm, and the number of the slag blocking sieve plates is 20.

The curved ultrasonic vibration bars 25 each have a length of 90 mm and each have 4 vibrators.

The diameter of the common shaft of the stirring paddle 18 and the centrifugal paddle 19 is 1.5 mm, the length of the common shaft is 50 mm, the diameter of the extracting solution inlet pipe 22 is 0.3 mm, and the length of the extracting solution inlet pipe is 60 mm.

By using the device, 50% ethanol solution is used as an extraction solvent to extract the traditional Chinese medicine puffball, 0.8 kg of pseudo-ginseng can be extracted within 1 hour, and the extract content is 7.8%.

Example 2:

the oblique gears in the angle gear transmission set 7 are shown in fig. 8 (c) and (e).

The extracting solution bin 12 is arranged on the material bin 16 body, is separated from the material bin 16 by a material sieve plate 14, is ellipsoidal, and has a width of 120 mm and a height of 80 mm.

The length of the first discharging conveying pipe 13 is 230 mm, and the diameter is 25 mm.

The material sieve plate is round, has a diameter of 80 mm, is provided with a hole in the middle, and has a pore diameter of 0.4 mm.

The extracting chamber 15 is in an ellipsoid shape, and has a width of 90 mm and a height of 80 mm. A circular channel is arranged below the circular channel, and the diameter of the circular channel is 20 mm;

the width of the material bin 16 is 180 mm, and the height is 120 mm.

The number of blades of the stirring paddle 18 is 3, the thickness is 3 mm, and the diameter is 25 mm.

The number of blades of the centrifugal paddles 19 is 3, the blades are 12 degrees from the plane, and the straight view on the left side of the blades is 1/4 of a circle. The diameter of the centrifugal impeller is 50 mm.

The temperature of the electric heating wire 20 is 150 ℃.

The height of the granular protrusions on the granular slag blocking area 23 is 2.0 mm, and the number of the granular protrusions is 50.

The aperture of the slag blocking sieve plate 24 is 2.0 mm, and the number of the slag blocking sieve plates is 30.

The curved ultrasonic vibration bars 25 each have a length of 150 mm and each have 4 vibrators.

The diameter of the common shaft of the stirring paddle 18 and the centrifugal paddle 19 is 2.5 mm, the length of the common shaft is 80 mm, the diameter of the extracting solution inlet pipe 22 is 0.3 mm, and the length of the extracting solution inlet pipe is 90 mm.

By using the device, ethanol solution is used as an extraction solvent to extract the plantain seed, 0.7 kg of plantain seed can be extracted within 1 hour, and the extract content is 12.1%.

Example 3:

The oblique gears in the angle gear transmission set are of the type (c) and (e) in fig. 8. The extracting solution bin 12 is arranged on the material bin 16 body, is separated from the material bin 16 by a material sieve plate 14, is ellipsoidal, and has a width of 180 mm and a height of 150 mm.

The length of the first discharging conveying pipe 13 is 150-400 mm, and the diameter is 10-40 mm.

The material sieve plate is round or elliptic, has a diameter of 50-200 mm, a hole in the middle, and a pore diameter of 0.1-1.0 mm.

The extracting chamber 15 is in an ellipsoid shape, and has a width of 40-180 mm and a height of 30-150 mm. The lower part is provided with a circular channel with the diameter of 8-20 mm.

The width of the material bin 16 is 300 mm, and the height is 180 mm.

The number of blades of the stirring paddle 18 is 4, the thickness is 4 mm, and the diameter is 35 mm.

The number of blades of the centrifugal paddles 19 is 4, the blades and the plane are 13 degrees, and the straight view on the left side of the blades is 1/3 of a circle. The diameter of the centrifugal impeller is 80 mm.

The temperature of the electric heating wire 20 is 250 ℃.

The height of the granular protrusions on the granular slag blocking area 23 is 4.0 mm, and the number of the granular protrusions is 100.

The aperture of the slag blocking sieve plate 24 is 3.0 mm, and the number of the slag blocking sieve plates is 30.

The curved ultrasonic vibration bars 25 each have a length of 200 mm and each have 6 vibrators.

The diameter of the common shaft of the stirring paddle 18 and the centrifugal paddle 19 is 4.0 mm, the length of the common shaft is 120 mm, the diameter of the extracting solution inlet pipe 22 is 1.0mm, and the length of the extracting solution inlet pipe is 180 mm.

By using the device, ethanol solution is used as an extraction solvent, the Chinese medicinal red sage root is extracted by sieving powder 3, 1.5 kg of plantain seed can be extracted within 1 hour, and the extract content is 11.8%.

Example 4:

The extracting solution bin 12 is arranged on the material bin 16 body, is separated from the material bin 16 by a material sieve plate 14, and is ellipsoidal, and has a width of 200 mm and a height of 160 mm.

The length of the first discharging conveying pipe 13 is 400 mm, and the diameter is 30 mm.

The material sieve plate is round, has a diameter of 150 mm, is provided with a hole in the middle, and has a pore diameter of 0.8 mm.

The extracting chamber 15 is ellipsoidal, and has a width of 150 mm and a height of 120 mm. The lower part is provided with a circular channel with the diameter of 40 mm.

The bin 16 has a width of 350 mm and a height of 250 mm.

The number of blades of the stirring paddle 18 is 6, the thickness is 10 mm, and the diameter is 30 mm.

The number of blades of the centrifugal paddles 19 is 8, the blades and the plane are 20 degrees, and a straight view on the left side of the blades is semicircular. The diameter of the centrifugal impeller is 120 mm.

The temperature of the electric heating wire 20 is 300 ℃.

The height of the granular protrusions on the granular slag blocking area 23 is 8.0 mm, and the number of the granular protrusions is 100.

The aperture of the slag blocking sieve plate 24 is 3.0 mm, and the number of the small holes is 80.

The curved ultrasonic vibration bars 25 each have a length of 250 mm and each have 8 vibrators.

The diameter of the common shaft of the stirring paddle 18 and the centrifugal paddle 19 is 4.0 mm, the length of the common shaft is 180 mm, the diameter of the extracting solution inlet pipe 22 is 1.5mm, and the length of the extracting solution inlet pipe is 200 mm.

By using the device, ethanol solution is used as an extraction solvent, the Chinese medicinal red sage root is extracted by sieving powder 3, 2.5 kg of plantain seeds can be extracted within 1 hour, and the extract content is 11.1%.

The device provided by the invention has the advantages of high extraction speed, high efficiency, high automation degree, liberation of hands, saving of manpower and material resources and the like in the field of traditional Chinese medicine extraction. The invention aims to disclose a continuous traditional Chinese medicine extracting device. After crushing, the traditional Chinese medicine enters a feeding spiral conveying pipe through a feeding hole, enters an extraction chamber, an extraction solvent is pumped into the extraction chamber through an extraction solvent inlet pipe below an extraction device, the materials are contacted with the extraction solvent, stirred and extracted under the action of a stirring paddle, the extraction solvent and the materials enter a material bin through a channel below the extraction chamber, extraction is continued in the material bin, a curved ultrasonic vibration rod is arranged below the side of the extraction device for auxiliary extraction, a heating wire is arranged below the extraction device for heating auxiliary extraction, centrifugal force is generated by pushing of a centrifugal paddle, the materials are rotationally centrifuged in the material bin, blocked and intercepted by a granular slag blocking area and a slag blocking sieve plate when passing through the vicinity of a first discharge conveying pipe 13, enter the first discharge conveying pipe 13, and are pumped into a second discharge conveying pipe 9 through the first discharge conveying pipe 13, and then pumped out. The extracting solution is filtered by the material sieve plate, enters the extracting solution bin and is pumped out through the first extracting solution outlet 11 or the second extracting solution outlet 10. The invention realizes continuous extraction of traditional Chinese medicine, continuous feeding, deslagging, pumping in extraction solvent and pumping out extraction liquid, provides a new idea for traditional Chinese medicine extraction, has development value in the fields of medicine and chemical industry, and has great application value in laboratories and factory workshops.

Claims

1. A traditional Chinese medicine continuous extraction device is characterized in that: comprises an extracting solution bin (12), a material bin (16), a feeding conveying assembly and a discharging conveying assembly; a material sieve plate (14) is arranged between the extracting solution bin (12) and the material bin (16) through an extracting solvent inlet pipe (22);

two extracting solution outlets are arranged on the extracting solution bin (12);

A discharging and conveying assembly is arranged on the material bin (16);

An extraction chamber (15) is arranged in the material bin (16); the baffle (17) of the extracting chamber is an outer layer structure of the extracting chamber (15);

A stirring paddle (18) is arranged in the extraction chamber (15), and a centrifugal paddle (19) is coaxially arranged at the bottom of the extraction chamber (15) and in the material bin (16) and the stirring paddle (18); the stirring paddles (18) and the centrifugal paddles (19) are fixed with a main shaft of a propeller motor (21), and the main shaft of the propeller motor (21) is in shaft seal with an extraction solvent inlet pipe (22); the rotary main shaft of the screw motor (21) is hollow, the uppermost part of the extracting solvent inlet pipe (22) is higher than the stirring paddle (18), and along with the continuous entering of materials and solvent into the extracting chamber (15), residues and extracting solution are generated after the advanced extraction, and enter the material bin (16) through a channel below the baffle (17) of the extracting chamber;

The feeding conveying component passes through the extracting liquid bin (12) and the material sieve plate (14) to be communicated with the extracting chamber (15);

The feeding conveying assembly comprises a feeding port (1), a spiral conveying motor (2) and a feeding conveying pipe (5);

The conveying motor (2) drives a spiral conveying rod in the feeding conveying pipe (5), the feeding port (1) is arranged on the feeding conveying pipe (5), and the lower end of the feeding conveying pipe (5) is communicated with the extracting chamber (15);

the discharging conveying assembly comprises a first discharging conveying pipe (13), a second discharging conveying pipe (9), a discharging baffle (8) and an angle gear transmission group (7);

the first discharging conveying pipe (13) is arranged on the material bin (16), the first discharging conveying pipe (13) and the feeding conveying pipe (5) are fixedly connected through a fixing rod (3), and a conveying motor (2) drives a spiral conveying rod in the first discharging conveying pipe (13) to rotate through transmission of a belt (4);

The angle gear transmission group (7) is used for realizing connection of a rotary conveying rod in the first discharging conveying pipe (13) and a rotary conveying rod in the second discharging conveying pipe (9), and the discharging baffle (8) is respectively fixed in the first discharging conveying pipe (13) and the second discharging conveying pipe (9).

2. The continuous extraction device for traditional Chinese medicine according to claim 1, wherein: a granular slag blocking area (23) and a slag blocking screen plate (24) are arranged on the wall of the material bin (16); the granular slag blocking area (23) is positioned at the front end of the jogged part of the wall of the material bin (16) and the first discharging conveying pipe (13), and the slag blocking screen plate (24) is positioned at the rear end of the jogged part of the material bin (16) and the first discharging conveying pipe (13).

3. The continuous extraction device for traditional Chinese medicine according to claim 2, wherein: granular protrusions are arranged on the granular slag blocking area (23), the height of the granules is 0.5-10.0 mm, and the number of the granular protrusions is 20-200;

the slag blocking sieve plate (24) is crescent, the size is determined according to the size of the material bin (16), the side surface is closely connected with the material bin (16), small holes are formed in the slag blocking sieve plate, protrusions are arranged beside the small holes, the hole diameters of the small holes are 1.5-8.0 mm, and the number of the small holes is 20-100.

4. The continuous extraction device for traditional Chinese medicine according to claim 1, wherein: a curved ultrasonic vibration rod (25) is arranged outside the wall of the material bin (16), the height of the curved ultrasonic vibration rod (25) is 20-50 mm, and the length of the curved ultrasonic vibration rod is 80-250 mm.

5. The continuous extraction device for traditional Chinese medicine according to claim 1, wherein: an isolation cover (27) is arranged on the inner side of the bottom of the material bin (16), and an extraction solvent inlet pipe (22) penetrates through the bottom of the material bin (16) and the isolation cover (27) and seals the material bin (16) and the extraction solvent inlet pipe (22) through a sealing bearing (26);

an electric heating wire (20) is coiled on the outer side of the bottom of the material bin (16).

6. The continuous extraction device for traditional Chinese medicine according to claim 1, wherein: a propeller motor (21) is also arranged at the bottom of the material bin (16) and is used for driving a centrifugal propeller (19) and a stirring propeller (18)

The axes of the stirring paddle (18) and the centrifugal paddle (19) and the extracting solution inlet pipe (22) are in shaft seal.

7. The continuous extraction device for traditional Chinese medicine according to any one of claims 1-6, wherein: the wall of the extracting solution bin (12) and the wall of the material bin (16) are divided into an upper part and a lower part, and each part is sealed through a flange hoop.

8. The continuous extraction device for traditional Chinese medicine according to claim 7, wherein: the extracting liquid bin (12), the material bin (16) and the extracting chamber (15) are relatively and independently arranged, and the extracting liquid bin (12) is positioned on the material bin (16) and is in an ellipsoid shape; the extracting chamber (15) is ellipsoidal, and the whole material bin (16) is of a transverse egg laying type.