CN216677065U

CN216677065U - Supercritical extraction device with agitating unit

Info

Publication number: CN216677065U
Application number: CN202123206441.1U
Authority: CN
Inventors: 宣培传; 肖刚
Original assignee: Sichuan Huayilong Environmental Protection Technology Co ltd
Current assignee: Sichuan Huayilong Environmental Protection Technology Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-06-07
Anticipated expiration: 2031-12-20

Abstract

The utility model provides a supercritical extraction device with a stirring device, and relates to the technical field of supercritical extraction. The utility model comprises a kettle body, wherein a plurality of stirring shafts are rotationally arranged in the kettle body, a planetary gear mechanism in transmission connection with the stirring shafts is arranged on the kettle body, the stirring shafts are provided with stirring rods, the bottom of the kettle body is provided with a cover plate, the cover plate is provided with an orifice plate, the orifice plate is provided with a filter screen, the bottom of the cover plate is provided with a liquid discharge pipe, a gap is formed between the orifice plate and the top surface of the cover plate, the cover plate is provided with a support block connected with the orifice plate, and the edge of the cover plate and the edge of the bottom of the kettle body are respectively provided with a lower sealing ring and an upper sealing ring which are matched with each other.

Description

Supercritical extraction device with agitating unit

Technical Field

The utility model relates to the technical field of supercritical extraction, in particular to a supercritical extraction device with a stirring device.

Background

Supercritical is a supercritical fluid, which is a state of matter between gas and liquid that is neither gaseous nor liquid, and can exist only when its temperature and pressure exceed critical points. Supercritical fluids have a higher density, comparable to liquids, and a viscosity closer to gases. Therefore, the supercritical fluid is an ideal extracting agent. In the prior art, a charging basket is generally adopted to load materials for supercritical extraction, the materials are placed in the charging basket in the extraction process, and the charging basket and the materials are lifted together and placed into an extraction kettle for extraction.

The extraction device adopting the charging basket to load materials shares a quick-opening kettle opening for charging and discharging, and meanwhile, due to the existence of the charging basket, a stirring device is difficult to arrange in the kettle, so that the extraction yield is low, and the effect is not ideal.

SUMMERY OF THE UTILITY MODEL

The utility model aims to develop a supercritical extraction device with a stirring device, which can improve the extraction yield.

The utility model is realized by the following technical scheme:

a supercritical extraction apparatus with agitation means comprising:

a kettle body;

the stirring shafts are rotatably arranged in the kettle body;

the planetary gear mechanism is arranged on the kettle body and is in transmission connection with the stirring shaft;

the stirring rod is arranged on the stirring shaft;

the cover plate is arranged at the bottom of the kettle body;

the pore plate is arranged on the cover plate;

the filter screen is arranged on the pore plate;

the liquid discharge pipe is arranged at the bottom of the cover plate;

the device comprises a hole plate, a cover plate and a kettle body, wherein a gap exists between the hole plate and the top surface of the cover plate, a supporting block connected with the hole plate is arranged on the cover plate, and a lower sealing ring and an upper sealing ring which are matched with each other are respectively arranged at the edge of the cover plate and the edge of the bottom of the kettle body.

Optionally, the top surface of the cover plate is an inclined surface, and the drain pipe is arranged at the lower end of the inclined surface.

Optionally, the outer walls of the upper sealing ring and the lower sealing ring are both of inclined plane structures, and three clamping hoops matched with the upper sealing ring and the lower sealing ring are arranged outside the upper sealing ring and the lower sealing ring.

Optionally, the upper sealing ring and the lower sealing ring are respectively provided with a sealing ring.

Optionally, the bottom of the cover plate is provided with a cylinder connected with the cover plate and driving the cover plate to lift.

Optionally, the outer wall of the kettle body is provided with a heating layer, a heating cavity is arranged in the heating layer, and an inlet pipe and an outlet pipe are respectively arranged on the side wall of the top of the heating layer and the side wall of the bottom of the heating layer.

Optionally, the planetary gear mechanism is including locating the transmission case at the internal top of cauldron, the transmission case internal rotation is equipped with the driving gear, be equipped with the motor of being connected with the driving gear transmission on the transmission case, the driving gear is equidistant to be equipped with a plurality ofly rather than the driven gear of meshing on the circumference, still be equipped with the ring gear with the coaxial setting of driving gear in the transmission case, ring gear and driven gear meshing, it is a plurality of (mixing) shaft and driving gear and driven gear coaxial coupling.

Optionally, the bottom of the transmission case rotates and is equipped with the shrouding, the shrouding rotates with the driving gear is coaxial, shrouding and transmission case rotary seal, driven gear rotates with the shrouding to be connected.

Optionally, the stirring shaft passes through the closing plate and is coaxially connected with the driving gear or the driven gear, and the stirring shaft and the closing plate are sealed in a rotating manner.

Optionally, the kettle body is internally provided with a cylindrical cavity, and the driving gear and the cavity of the kettle body are in a coaxial state.

The utility model has the beneficial effects that:

the planetary gear mechanism operates to drive the five stirring shafts to rotate, and the four stirring shafts positioned at the outer side rotate around the axis of the kettle body while rotating, so that the stirring effect of the material is greatly improved, the material is fully contacted with the supercritical fluid, the extraction yield is higher, and the extraction effect is better.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a view showing the structure of a cover plate;

fig. 3 is a structural view of the planetary gear mechanism.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art can appreciate, the described embodiments may be modified in various different ways, without departing from the spirit or scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 3, the utility model discloses a supercritical extraction device with a stirring device, which comprises a kettle body 1, wherein a cylindrical cavity is arranged in the kettle body 1, the upper part of the kettle body 1 is provided with a feeding pipe, an extraction liquid pipe and a pressure pipe, the outer wall of the kettle body 1 is provided with a heating layer 2, the heating layer 2 is laid on the outer wall of the kettle body 1, a heating cavity is arranged in the heating layer 2, an inlet pipe and an outlet pipe are respectively arranged on the top side wall and the bottom side wall of the heating layer 2, a heating medium enters the heating cavity through the inlet pipe, and after being output by the outlet pipe for heat exchange, the heating medium circularly enters the inlet pipe and enters the heating layer 2 for heat exchange.

The stirring device is arranged in the kettle body 1 and comprises a stirring shaft 5 arranged in the kettle body 1, and a planetary gear mechanism 3 in transmission connection with the stirring shaft 5 is arranged at the top of the kettle body 1.

Planetary gear mechanism 3 is including locating the transmission case 31 at the internal top of cauldron 1, the columniform cavity has in the transmission case 31, transmission case 31 internal rotation is equipped with rather than the coaxial driving gear 35 of cavity, driving gear 35 is coaxial with the cavity of cauldron body 1, the circumference of driving gear 35 is equidistant evenly to be equipped with four driven gear 34, four driven gear 34 and driving gear 35 mesh, still be equipped with the ring gear 33 with the coaxial setting of driving gear 35 on the transmission case 31, ring gear 33 and the coaxial setting of transmission case 31 cavity, ring gear 33 outer wall and transmission case 31 cavity inner wall connection, driven gear 34 and ring gear 33 mesh.

The bottom of the transmission case 31 is rotatably provided with a sealing plate 32, the sealing plate 32 and the transmission case 31 are rotatably sealed, the rotating shaft of the sealing plate 32 is the same as the driving gear 35, and the driven gear 34 is rotatably arranged on the sealing plate 32. When the driving gear 35 rotates, the four driven gears 34 are driven to synchronously rotate, and the four driven gears 34 rotate in cooperation with the ring gear 33 in the rotating process, so that the driven gears 34 rotate while making a circular motion around the driving gear 35. The top of the kettle body 1 is provided with a motor 4 in transmission connection with the driving gear 35, and the motor 4 drives the driving gear 35 to rotate.

Five stirring shafts 5 are arranged in the kettle body 1, the five stirring shafts 5 are vertically arranged, the five stirring shafts 5 penetrate through the sealing plate 32 and are coaxially connected with the driving gear 35 and the four driven gears 34 respectively, and the stirring shafts 5 penetrate through the sealing plate 32 and are in rotary sealing with the driving gear 35 and the driven gears 34. The planetary gear mechanism 3 operates, five stirring shafts 5 rotate, and four stirring shafts 5 at the periphery also make circular motion around the stirring shaft 5 at the middle. A plurality of stirring rods 6 are uniformly arranged on the stirring shaft 5.

The bottom of the kettle body 1 is provided with a cover plate 8, the cover plate 8 is used for sealing the bottom of the kettle body 1, and the bottom of the cover plate 8 is provided with a cylinder 7 which is connected with the cover plate and drives the cover plate to lift. The edge of the cover plate 8 and the edge of the bottom of the kettle body 1 are respectively provided with a lower sealing ring 14 and an upper sealing ring 15 which are matched with each other, and the lower sealing ring 14 and the upper sealing ring 15 are respectively provided with a sealing ring. The outer walls of the upper sealing ring 15 and the lower sealing ring 14 are both of inclined plane structures, and three clamping hoops 9 matched with the upper sealing ring 15 and the lower sealing ring 14 are arranged outside the upper sealing ring 15 and the lower sealing ring 14.

Be equipped with orifice plate 10 on the apron 8, orifice plate 10 shape is the circular with the cavity adaptation of the cauldron body 1, orifice plate 10 bottom evenly is equipped with a plurality of bracers 12 that are the matrix arrangement, bracer 12 is located on the 8 top surfaces of apron, bracer 12 supports orifice plate 10 and makes it have certain clearance in order to form a cavity with 8 top surfaces of apron, 8 top surfaces of apron of orifice plate 10 lower part are the inclined plane, the lower extreme on inclined plane is equipped with fluid-

discharge tube

13, 8 outsides of apron are stretched out in the vertical setting of fluid-discharge tube 13, be equipped with the valve on the fluid-discharge tube 13. The filter screen 11 is arranged on the pore plate 10, the extract liquid enters the top surface of the cover plate 8 through the filter screen 11 and the pore plate 10, the top surface of the cover plate 8 is inclined, and the extract liquid flows to the lower end and is merged into the liquid discharge pipe 13.

The planetary gear mechanism 3 of the utility model operates to drive the five stirring shafts 5 to rotate, and the four stirring shafts 5 at the outer side rotate around the axis of the kettle body 1 while rotating, so that the stirring effect of the material is greatly improved, the material is fully contacted with the supercritical fluid, the extraction yield is higher, and the extraction effect is better.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.

Claims

1. A supercritical extraction apparatus having an agitation device, comprising:

a kettle body;

the stirring shafts are rotatably arranged in the kettle body;

the stirring rod is arranged on the stirring shaft;

the cover plate is arranged at the bottom of the kettle body;

the pore plate is arranged on the cover plate;

the filter screen is arranged on the pore plate;

the liquid discharge pipe is arranged at the bottom of the cover plate;

2. The apparatus of claim 1, wherein the top surface of the cover plate is a sloped surface, and the drain pipe is disposed at a lower end of the sloped surface.

3. The supercritical extraction apparatus with a stirring device according to claim 1 is characterized in that the outer walls of the upper and lower sealing rings are both of a bevel structure, and three clamping bands are provided on the outer portions of the upper and lower sealing rings.

4. The supercritical extraction apparatus with an agitation apparatus as recited in claim 1, wherein the upper and lower seal rings are provided with a seal ring respectively.

5. The supercritical extraction apparatus with a stirring device according to claim 1 is characterized in that the bottom of the cover plate is provided with a cylinder connected with the cover plate and driving the cover plate to lift.

6. The supercritical extraction apparatus with a stirring apparatus according to claim 1, wherein the outer wall of the kettle body is provided with a heating layer, a heating cavity is arranged in the heating layer, and an inlet pipe and an outlet pipe are respectively arranged on the top side wall and the bottom side wall of the heating layer.

7. The supercritical extraction apparatus according to claim 1 is characterized in that the planetary gear mechanism comprises a transmission case disposed at the top of the kettle, a driving gear is rotatably disposed in the transmission case, a motor drivingly connected to the driving gear is disposed on the transmission case, a plurality of driven gears meshed with the driving gear are disposed at equal intervals in the circumferential direction of the driving gear, a ring gear coaxially disposed with the driving gear is further disposed in the transmission case, the ring gear is meshed with the driven gear, and the stirring shaft is coaxially connected to the driving gear and the driven gear.

8. The apparatus of claim 7, wherein a sealing plate is rotatably disposed at the bottom of the transmission case, the sealing plate is coaxially rotatable with the driving gear, the sealing plate is rotatably sealed with the transmission case, and the driven gear is rotatably connected with the sealing plate.

9. The apparatus of claim 8, wherein the stirring shaft passes through the sealing plate and is coaxially connected to the driving gear or the driven gear, and the stirring shaft is rotatably sealed with the sealing plate.

10. The supercritical extraction apparatus with a stirring apparatus as claimed in claim 9, wherein the tank has a cylindrical cavity, and the driving gear is coaxial with the cavity of the tank.