CN215691827U

CN215691827U - Supercritical fluid extraction process unit for golden buckwheat flakes

Info

Publication number: CN215691827U
Application number: CN202122215277.4U
Authority: CN
Inventors: 张宪龙; 董蓉蓉
Original assignee: Heilongjiang Kindmax Pharmaceutical Co ltd
Current assignee: Heilongjiang Kindmax Pharmaceutical Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-02-01
Anticipated expiration: 2031-09-14

Abstract

The utility model relates to a tartary buckwheat flake supercritical fluid extraction process device, which belongs to the field of extraction devices and comprises an extraction shell and a separation shell, wherein the upper end of the outer part of the extraction shell is provided with an inlet, the lower end of the outer part of the extraction shell is provided with an outlet, the top end of the separation shell is provided with an air outlet, the bottom end of the inner part of the separation shell is clamped with a condensation box through a clamping mechanism, the outlet of the extraction shell is communicated with the inlet at the top end of the condensation box through a pipeline, and the pipeline is provided with a fluid pump; the inside of extraction casing is divided into the broken chamber of upper end and the extraction chamber of lower extreme through the filter screen with it, and extraction casing top central point puts and is equipped with the motor. According to the tartary buckwheat flake supercritical fluid extraction process device, the herbal medicines are crushed in the crushing cavity and then filtered by the filter screen to enter the extraction cavity for extraction, the herbal medicines are not required to be transferred, the operation is simpler, and the herbal medicines and the supercritical fluid can be fully mixed by oppositely stirring the stirring fan blades I and the stirring fan blades II.

Description

Supercritical fluid extraction process unit for golden buckwheat flakes

Technical Field

The utility model belongs to a device in the field of extraction, and particularly relates to a supercritical fluid extraction process device for tartary buckwheat flakes.

Background

When extracting the medicine, the supercritical extraction is often adopted, the medicine is poured into an extraction tank body after being soaked, and supercritical fluid, generally carbon dioxide, is introduced, is in a gas-liquid state which is not a gas state or a liquid state, and can exist only when the temperature and the pressure of the substance exceed critical points. Supercritical fluids are denser and more liquid-like, and have a viscosity closer to that of gases. Therefore, the supercritical fluid is an ideal extracting agent. Before extraction, in order to improve the extraction efficiency, the herbal medicine is usually crushed by using crushing equipment, and then the crushed herbal medicine is transferred into the extraction equipment for extraction, so that the operation is complicated and the loss of the herbal medicine is easily caused. And the existing supercritical fluid extraction device has low mixing efficiency, unstable separation efficiency after extraction and low efficiency, so that repeated extraction is needed for many times, and the production efficiency is seriously influenced. The existing equipment only reduces the temperature of carbon dioxide through a common condenser pipe, so that the extraction liquid is separated out, the separation efficiency is low, and in the working of the condenser box, the condenser box vibrates to influence the normal working efficiency of the condenser box, so that the condenser box is unstable in working and the service life of the condenser box is influenced.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a supercritical fluid extraction process device for tartary buckwheat flakes.

The utility model relates to a tartary buckwheat flake supercritical fluid extraction process device, which comprises an extraction shell and a separation shell, wherein the upper end of the outer part of the extraction shell is provided with an inlet, the lower end of the outer part of the extraction shell is provided with an outlet, the top end of the separation shell is provided with an air outlet, the bottom end of the inner part of the separation shell is clamped with a condensation box through a clamping mechanism, the outlet of the extraction shell is communicated with the inlet at the top end of the condensation box through a pipeline, and the pipeline is provided with a fluid pump; the inner part of the extraction shell is divided into a crushing cavity at the upper end and an extraction cavity at the lower end through a filter screen, a motor is arranged at the central position of the top end of the extraction shell, the output end of the motor is connected with a vertical transmission shaft in the crushing cavity, a crushing device is sleeved on the outer wall of the transmission shaft, the bottom of the transmission shaft penetrates through the filter screen and is arranged in the extraction cavity and connected with a vertical rotating shaft, a stirring fan blade I and a stirring fan blade II are sequentially sleeved on the rotating shaft from top to bottom, and the stirring fan blade I and the stirring fan blade II are arranged oppositely; the top end of the condensing box is provided with an air outlet communicated with the inside of the separation shell, the inside of the condensing box is provided with a condensing pipe, the central position of the bottom of the condensing box is provided with an extraction liquid outlet, the bottom end of the inside of the separation shell is provided with a sliding groove, and the extraction liquid outlet penetrates through the sliding groove and is arranged outside the separation shell.

As a further improvement of the utility model, the crushing device comprises a central shaft sleeve, a supporting plate, an outer sleeve, crushing blades I and crushing blades II, wherein the central shaft sleeve is sleeved outside the transmission shaft, the outer sleeve coaxial with the central shaft sleeve is fixed outside the central shaft sleeve through the supporting plate, and a circulation channel is formed between the central shaft sleeve and the outer sleeve; a plurality of crushing blades I and crushing blades II are uniformly arranged at the upper end and the lower end of the outer sleeve body respectively, the crushing blades I are horizontally vertical to a central shaft of the outer sleeve body, and included angles exist between the crushing blades II and the crushing blades I.

As a further improvement of the utility model, the clamping mechanism comprises a T-shaped push rod, a push plate, a clamping plate I, a clamping plate II and an L-shaped pull rod, wherein the clamping plate I is fixed on the inner wall of one side of the separation shell, the T-shaped push rod penetrating through the side wall is arranged on the inner wall of the other side of the separation shell, one end of a vertical rod of the T-shaped push rod is positioned outside the separation shell, the other end of the vertical rod is connected with the push plate inside the separation shell, and the other side of the push plate is connected with the clamping plate II opposite to the clamping plate I through more than one spring I; the bottom of T type push rod is opened there is spacing inserting groove, and the interval is fixed with more than one trapezoidal stopper on the spacing inserting groove top inner wall, and the bottom surface of trapezoidal stopper is the inclined plane, and it has the mounting groove to open on the separation casing lateral wall of spacing inserting groove below, slides on the inner wall of mounting groove and is provided with L type pull rod, and L type pull rod top is arranged in between the trapezoidal stopper of spacing inserting groove, and the top inlayed the ball with trapezoidal stopper bottom inclined plane looks adaptation, and the separation casing outside is arranged in to the horizontal end of L type pull rod, L type pull rod bottom links to each other with II tops of spring, and II bottoms of spring are fixed on the bottom inner wall of mounting groove.

As a further improvement of the utility model, two L-shaped limiting rods penetrating through the push plate are symmetrically fixed at the upper end and the lower end of the opposite side wall of the clamping plate II and the push plate, the spring I is positioned on the side wall of the clamping plate II between the two L-shaped limiting rods, and anti-skid pads are arranged on the side walls, which are attached to the condensation box, of the clamping plate I and the clamping plate II.

As a further improvement of the utility model, the inlet and the outlet of the condensing pipe in the condensing tank are respectively communicated with two ends of a condensing circulating pipe, the condensing circulating pipe is arranged outside the separation shell, and a water pump and a refrigerating water tank are arranged on the condensing circulating pipe.

According to the supercritical fluid extraction process device for the tartary buckwheat flakes, disclosed by the utility model, the herbal medicines are crushed in the crushing cavity and then filtered by the filter screen to enter the extraction cavity for extraction, the herbal medicines are not required to be transferred, the operation is simpler, and the loss of the herbal medicines is reduced; and the herbal medicine and the supercritical fluid can be fully mixed by oppositely stirring the stirring fan blades I and the stirring fan blades II. The water pump and the refrigeration water tank form cold water circulation in the condensed water pipe, so that the temperature of carbon dioxide gas is reduced, the lower the temperature is, the higher the speed of separating out the solute is, the separation speed of the extracted solute is increased, and the production efficiency is improved. Carry out the centre gripping through fixture to the condensing box, reduce to rock the influence to the condensing box, increase the stability in the work.

Drawings

FIG. 1 is a schematic diagram of the supercritical fluid extraction apparatus for preparing Fagopyrum cymosum tablet;

FIG. 2 is an enlarged schematic view of A of FIG. 1;

fig. 3 is a schematic view of the structure of the crushing apparatus of the present invention.

Detailed Description

The utility model discloses a supercritical fluid extraction process device for tartary buckwheat flakes, which comprises an extraction shell 1 and a separation shell 2, wherein the upper end of the outer part of the extraction shell 1 is provided with an inlet, and the lower end of the outer part of the extraction shell 1 is provided with an outlet. The inside of extraction casing 1 is divided into the broken chamber 5 of upper end and the extraction chamber 6 of lower extreme through filter screen 4 with it, and 1 top central point of extraction casing puts and is equipped with motor 7, and motor 7's output links to each other with the inside vertical transmission shaft 8 in broken chamber 5, has cup jointed breaker 9 on the outer wall of transmission shaft 8, and motor 7 can drive transmission shaft 8 and rotate, and then drives breaker 9 and rotate. The crushing device 9 comprises a central shaft sleeve 13, a support plate 14, an outer sleeve body 15, crushing blades I16 and crushing blades II 17, wherein the central shaft sleeve 13 is sleeved outside the transmission shaft 8, the outer sleeve body 15 coaxial with the central shaft sleeve 13 is fixed outside the central shaft sleeve 13 through the support plate 14, and a circulation channel 18 is formed between the central shaft sleeve 13 and the outer sleeve body 15; the upper end and the lower end of the outer part of the outer sleeve 15 are respectively and uniformly provided with a plurality of crushing blades I16 and crushing blades II 17, the crushing blades I16 and the crushing blades II 17 are both of plate-shaped structures, the crushing blades I16 are horizontally vertical to a central shaft of the outer sleeve 15, and included angles exist between the crushing blades II 17 and the crushing blades I16, so that the crushing blades II 17 can generate upward moving air flow when the crushing device 9 rotates; when the crushing device 9 rotates, the crushing blades II 17 drive the airflow to move upwards between the outer sleeve body 15 and the wall of the crushing cavity 5 and flow back downwards from the flow channel 18 to realize circulation. Treat in the extract gets into broken chamber 5 through the import of the outside upper end of extraction casing 1 to carry out the breakage through breaker 9 in broken chamber 5, rethread filter screen 4 filters, and less granule can pass filter screen 4 and get into extraction chamber 6, and great granule then stays broken chamber 5 and continues to carry out the breakage, can improve the efficiency and the effect of extraction.

Be equipped with the supercritical fluid import on the 1 outer wall of extraction casing of 6 upper ends in extraction chamber, supercritical fluid is the carbon dioxide fluid, 8 bottom of transmission shaft pass filter screen 4 arrange in extraction chamber 6 in and be connected with vertical axis of rotation 10, have cup jointed stirring fan blade I11 and stirring fan blade II 12 from top to bottom in proper order on the axis of rotation 10, stirring fan blade I11 sets up with stirring fan blade II 12 relatively. After the extract and the supercritical fluid enter the extraction chamber 6, the transmission shaft 8 drives the rotating shaft 10, the stirring fan blade I11 and the stirring fan blade II 12 to rotate, so that the stirring fan blade I11 and the stirring fan blade II 12 are stirred in the extraction chamber 6 in opposite directions, the extract and the carbon dioxide fluid can be fully mixed, and the required components are dissolved in the carbon dioxide fluid.

The top end of the separation shell 2 is provided with an air outlet, the outer wall of one side of the separation shell is provided with a cabinet door, the bottom end inside the separation shell 2 is clamped by a condensing box 19 through a clamping mechanism, the outlet of the extraction shell 1 is communicated with the inlet at the top end of the condensing box 19 through a pipeline 3, and the pipeline is provided with a fluid pump. The inside of condenser box 19 is equipped with the condenser pipe, and bottom central point puts and is equipped with extraction liquid export 20, is equipped with the solenoid valve on the extraction liquid export 20, and the inside bottom of separation casing 2 is equipped with the spout, and extraction liquid export 20 passes the spout and arranges in the separation casing 2 outside. The top end of the condensing tank 19 is provided with an air outlet communicated with the inside of the separation shell 2, the air outlet of the separation shell 2 and the air outlet of the condensing tank 19 can enable the pressure in the separation shell 2 to be smaller than the pressure in the extraction shell 1, the reduction of the pressure can enable the resolution of the carbon dioxide fluid to be rapidly reduced to separate out solute, the solute and the carbon dioxide gas are automatically separated out, and the solute is periodically released from the extraction liquid outlet 20. The import and the export of condenser pipe in the condensing tank 19 communicate with the both ends of condensation circulating pipe 32 respectively, separating shell 2 outside is arranged in to condensation circulating pipe 32, is equipped with water pump 33 and refrigeration water tank 34 on the condensation circulating pipe 32, can constitute cold water circulation in the condenser pipe of condensing tank 19 for reduce carbon dioxide gas's temperature, the lower the temperature, the faster the speed of separating out the solute, thereby improve the separation rate of extraction solute, improve production efficiency.

Fixture includes T type push rod 35, push pedal 21, splint I22, splint II 23 and L type pull rod 24, be fixed with splint I22 on the inner wall of one side of separation casing 2, be equipped with the T type push rod 35 that runs through the lateral wall on the inner wall of opposite side, the vertical pole one end of T type push rod 35 is located the separation casing 2 outside, the other end is connected with the inside push pedal 21 of separation casing 2, and the opposite side of push pedal 21 is connected with splint II 23 relative with splint I22 through more than one spring I25. Splint II 23 and the upper and lower both ends of the relative lateral wall of push pedal 21, symmetry are fixed with two L shape gag lever posts 31 that run through push pedal 21, and spring I25 all is located on the splint II 23 lateral wall between two L shape gag lever posts 31, and the setting of spring I25 is convenient for adjust the clamping-force size, avoids causing the phenomenon that condensation box 19 damaged because of the clamping-force is too big. The clamp plate I16 and the clamp plate II 20 are attached to the side wall of the condensation box 19. The bottom of T type push rod 35 is opened there is spacing inserting groove 26, spacing inserting groove 26 top inner wall is gone up the interval and is fixed with more than one trapezoidal stopper 27, the bottom surface of trapezoidal stopper 27 is the inclined plane, it has mounting groove 28 to open on the 2 lateral walls of separation casing of spacing inserting groove 26 below, it is provided with L type pull rod 24 to slide on the inner wall of

mounting groove

28, 24 tops of L type pull rod are arranged in between the trapezoidal stopper 27 in spacing inserting groove 26, and the top inlays the ball 29 with trapezoidal stopper 27 bottom inclined plane looks adaptation, 2 outsides of separation casing are arranged in to the horizontal end of L type pull rod 24, L type pull rod 24 bottom links to each other with II 30 tops of spring, II 30 bottoms of spring are fixed on the bottom inner wall of mounting groove 28. Condenser box 19 is located on 2 bottom inner walls of separation casing between splint I22 and splint II 23, and the both sides outer wall of condenser box 19 pastes with splint I22 and splint II 23 respectively mutually, all is equipped with slipmat 36 on the lateral wall that splint I22 and splint II 23 pasted mutually with condenser box 19.

The condensing box 19 is placed on the inner wall of the bottom of the separating shell 2 between the clamping plate I22 and the clamping plate II 23, then the T-shaped push rod 35 is pushed inwards, the T-shaped push rod 35 drives the push plate 21 to move towards the condensing box 19, the push plate 21 drives the clamping plate II 23 to move through the spring I25, and the clamping plate II 23 drives the L-shaped limiting rod 31 to slide in the push plate 21; after the non-slip mat 36 of splint I22 and splint II 23 respectively with the both sides wall contact of condensing box 19, continue to promote T type push rod 35 and remove to condensing box 19, compress spring I25 simultaneously, after adjusting splint I22 and splint II 23 to the clamping-force of condensing box 19, stop promoting T type push rod 35. Through splint I22 and splint II 23 press from both sides tight condensing box 19, can reduce and rock the influence to condensing box 19, increase the stability of work.

Promote trapezoidal stopper 27 and remove together when T type push rod 35 removes, when trapezoidal stopper 27 removes to the back of contacting with ball 29, trapezoidal stopper 27 continues to remove and makes its bottom inclined plane extrude ball 29 for ball 29 drives L type pull rod 24 and moves down, and extrudees spring II 30. When trapezoidal stopper 27 staggers with ball 29, spring II 30 that is in compression state this moment resets, and then promotes L type pull rod 24 and upwards removes, and when T type push rod 35 no longer removed, the spacing inserting groove 26 between trapezoidal stopper 27 is arranged in on L type pull rod 24's top, can prevent that T type push rod 35 from removing for splint II 23 is fixed, and then makes condenser box 19 fixed. When the condenser box 19 needs to be taken out, the L-shaped pull rod 24 only needs to be pulled downwards, the L-shaped pull rod 24 and the balls 29 are not in contact with the trapezoidal limiting block 27, the T-shaped push rod 35 is pulled outwards, the push plate 21 and the clamp plate II 23 are further driven to be far away from the condenser box 19, the anti-skid pad 36 of the clamp plate II 23 is separated from the condenser box 19, the clamp on the condenser box 19 is removed, and the condenser box 19 can be taken down.

Claims

1. A supercritical fluid extraction process device for golden buckwheat flakes comprises an extraction shell (1) and a separation shell (2), wherein an inlet is formed in the upper end of the outer portion of the extraction shell (1), an outlet is formed in the lower end of the outer portion of the extraction shell (1), an air outlet is formed in the top end of the separation shell (2), a condensing box (19) is clamped at the bottom end of the inner portion of the separation shell (2) through a clamping mechanism, the outlet of the extraction shell (1) is communicated with the inlet in the top end of the condensing box (19) through a pipeline (3), and a fluid pump is arranged on the pipeline; the extraction device is characterized in that the interior of the extraction shell (1) is divided into a crushing cavity (5) at the upper end and an extraction cavity (6) at the lower end through a filter screen (4), a motor (7) is arranged at the center of the top end of the extraction shell (1), the output end of the motor (7) is connected with a vertical transmission shaft (8) in the crushing cavity (5), a crushing device (9) is sleeved on the outer wall of the transmission shaft (8), the bottom of the transmission shaft (8) penetrates through the filter screen (4) and is arranged in the extraction cavity (6) and connected with a vertical rotating shaft (10), a stirring fan blade I (11) and a stirring fan blade II (12) are sequentially sleeved on the rotating shaft (10) from top to bottom, and the stirring fan blade I (11) and the stirring fan blade II (12) are arranged oppositely; the top end of the condensing box (19) is provided with an air outlet communicated with the inside of the separation shell (2), the inside of the condensing box (19) is provided with a condensing pipe, the center of the bottom of the condensing box is provided with an extraction liquid outlet (20), the bottom end of the inside of the separation shell (2) is provided with a sliding groove, and the extraction liquid outlet (20) penetrates through the sliding groove and is arranged outside the separation shell (2).

2. The supercritical fluid extraction process unit according to claim 1, characterized in that the crushing device (9) comprises a central shaft sleeve (13), a support plate (14), an outer sleeve (15), crushing blades I (16) and crushing blades II (17), the central shaft sleeve (13) is sleeved outside the transmission shaft (8), the outer sleeve (15) coaxial with the central shaft sleeve (13) is fixed outside the central shaft sleeve (13) through the support plate (14), and a flow channel (18) is formed between the central shaft sleeve (13) and the outer sleeve (15); a plurality of crushing blades I (16) and crushing blades II (17) are uniformly arranged at the upper end and the lower end of the outer part of the outer sleeve body (15) respectively, the crushing blades I (16) are horizontally vertical to the central shaft of the outer sleeve body (15), and included angles exist between the crushing blades II (17) and the crushing blades I (16).

3. The supercritical fluid extraction process unit according to claim 1, characterized in that the holding mechanism comprises a T-shaped push rod (35), a push plate (21), a clamp plate i (22), a clamp plate ii (23) and an L-shaped pull rod (24), the clamp plate i (22) is fixed on the inner wall of one side of the separation housing (2), the T-shaped push rod (35) penetrating through the side wall is arranged on the inner wall of the other side, one end of the vertical rod of the T-shaped push rod (35) is positioned outside the separation housing (2), the other end is connected with the push plate (21) inside the separation housing (2), and the other side of the push plate (21) is connected with the clamp plate ii (23) opposite to the clamp plate i (22) through more than one spring i (25); the bottom of T type push rod (35) is opened there is spacing inserting groove (26), spacing inserting groove (26) top inner wall is gone up the interval and is fixed with trapezoidal stopper (27) more than one, the bottom surface of trapezoidal stopper (27) is the inclined plane, it has mounting groove (28) to open on separation casing (2) lateral wall of spacing inserting groove (26) below, it is provided with L type pull rod (24) to slide on the inner wall of mounting groove (28), arrange in between trapezoidal stopper (27) in spacing inserting groove (26) L type pull rod (24) top, and the top inlayed ball (29) with trapezoidal stopper (27) bottom inclined plane looks adaptation, separation casing (2) outside is arranged in to the horizontal end of L type pull rod (24), L type pull rod (24) bottom links to each other with spring II (30) top, spring II (30) bottom is fixed on the bottom inner wall of mounting groove (28).

4. A supercritical fluid extraction process unit according to claim 3, characterized in that two L-shaped limiting rods (31) penetrating through the push plate (21) are symmetrically fixed at the upper and lower ends of the opposite side walls of the splint ii (23) and the push plate (21), the spring i (25) is located on the side wall of the splint ii (23) between the two L-shaped limiting rods (31), and anti-slip pads (36) are arranged on the side walls of the splint i (22) and the splint ii (23) that are attached to the condenser tank (19).

5. The supercritical fluid extraction process apparatus according to claim 1, wherein the condenser (19) has an inlet and an outlet respectively connected to two ends of a condenser circulation pipe (32), the condenser circulation pipe (32) is disposed outside the separation shell (2), and the condenser circulation pipe (32) is provided with a water pump (33) and a cooling water tank (34).