CN213221042U

CN213221042U - Continuous countercurrent extraction device

Info

Publication number: CN213221042U
Application number: CN202021716109.2U
Authority: CN
Inventors: 陈跃飞; 喻文军; 邵昌哲
Original assignee: Changshu Longfei Medical Equipment Technology Co Ltd
Current assignee: Changshu Longfei Medical Equipment Technology Co Ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-05-18
Anticipated expiration: 2030-08-17

Abstract

The utility model relates to a continuous countercurrent extraction device, which comprises a barrel body, a spiral propulsion mechanism arranged in the barrel body, a partition spraying mechanism arranged on the barrel body, a partition temperature control assembly arranged in the barrel body and filter screen grids arranged at two ends of the barrel body; be equipped with feeder hopper, discharging pipe and delivery pipe on the staving, be equipped with inlet tube and inlet pipe on the feeder hopper, be equipped with spiral stirring subassembly in the feeder hopper, the device can prevent through the filter screen grid that the dregs of a decoction from flowing along with the extract, sprays the mechanism through the subregion simultaneously and can effectively improve medicine and water and mix, and subregion temperature control component can effectively carry out subregion control to the temperature in the staving to satisfy the best ambient temperature that draws, promoted extraction efficiency and quality greatly, reduced the medicine extravagant.

Description

Continuous countercurrent extraction device

Technical Field

The utility model relates to an extraction element, concretely relates to continuous countercurrent extraction element.

Background

One of the methods for extracting plant extracts is a countercurrent extraction method, which is widely applied to the industries such as medical treatment, chemical industry, health food and the like. Counter-current extraction is a process in which tea leaves are moved in opposite directions with a solvent, usually an aqueous solvent, in a leaching vessel to form a continuous dynamic counter-current process in opposite flow directions, usually operated using counter-current extraction equipment.

The flowing direction of the solvent in the device is opposite to the advancing direction of the extraction slag, and the materials in the extraction pipeline are discharged by the slag discharge device after being pushed to the slag discharge pipeline; in general, the solvent and the extraction residue are opposite in the best direction, so that the extraction residue is easy to cause poor solvent flow, the extraction effect of the effective components is influenced, and the extraction efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a continuous countercurrent extraction device to the above-mentioned problem that exists among the prior art.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: a continuous countercurrent extraction device comprises a barrel body, a spiral propelling mechanism arranged in the barrel body, a partition spraying mechanism arranged on the barrel body, a partition temperature control assembly arranged in the barrel body and filter screen grids arranged at two ends of the barrel body; the barrel body is provided with a feed hopper, a discharge pipe and a water supply pipe, the feed hopper is provided with a water inlet pipe and a feed pipe, and the feed hopper is internally provided with a spiral stirring assembly.

The working principle and the beneficial effects are as follows: the during operation, hot water and tealeaves or plant enter into the feeder hopper in inlet tube and the inlet pipe on the feeder hopper respectively, spiral stirring subassembly through in the feeder hopper destroys the plant tissue and enters into the staving with hot water intensive mixing, stir water and plant through spiral advancing mechanism and impel, the plant that comes from the water and the feeder hopper that the delivery pipe got into is opposite direction, the plant has just carried out a preliminary soaking process like this, be favorable to improving extraction efficiency, spray the mechanism through the subregion, subregion temperature control component's cooperation, can provide a environment of drawing well for the plant draws the environment, promote extraction efficiency greatly, thereby reduce the waste of plant raw materials.

Further, the spiral propelling mechanism comprises a stirring shaft which is rotatably arranged in the barrel body, a spiral blade which is arranged on the stirring shaft and a first driving motor which is in driving connection with the stirring shaft, wherein the first driving motor is detachably arranged on the outer wall of the barrel body. The stirring shaft is driven by the first driving motor to rotate to drive the spiral blades to rotate, the spiral blades are positioned between the two filter screen grids, and the stirring shaft is rotatably connected with the filter screen grids, so that the filter screen grids and the stirring shaft can rotate relatively.

Furthermore, the partition spraying mechanism comprises a plurality of spraying heads arranged in the barrel body, spraying pipes communicated with the spraying heads and a water pump for supplying water, and a first flow valve is independently arranged between each spraying head and each spraying pipe. This setting makes every shower head all can be by the independent control flow size to the injection pressure of every shower head of control, cooperation spiral advancing mechanism make the raw materials can fully moist, avoid it because buoyancy and can't mix with the solvent contact, improve pigment extraction efficiency.

Furthermore, the spray headers are uniformly arranged at intervals along the length direction of the barrel body, and the spray pipes are all positioned on the inner wall of the top of the barrel body. The arrangement can ensure that the spraying effect is better and the spraying is more uniform.

Furthermore, subregion temperature control component includes a plurality of temperature sensor that set up along the even interval of (mixing) shaft length direction, respectively with a plurality of heaters of single temperature sensor communication connection, the heater sets up along staving length direction even interval. This setting is divided into a plurality of subregion in with the staving, carries out temperature-detecting to every subregion through temperature sensor, adjusts the temperature through the heater, can realize the accurate regulation to the internal temperature of staving for the internal temperature of staving is even, and can be in the best temperature that draws all the time, promotes extraction efficiency greatly and draws the effect, has reduced the waste of plant material, can carry out intensive mixing to hot water through spiral advancing mechanism moreover, makes the temperature more even.

Further, be equipped with two on the (mixing) shaft and strike off the dish, strike off and be equipped with a plurality of through-holes and a plurality of brush tooth on the dish, and two strike off the inboard that the dish is located two filter screen grids respectively. Strike off the dish and along with the (mixing) shaft is rotatory, can constantly scrub one side that the filter screen grid is close to the spiral leaf through the brush tooth, prevent that the filter screen grid is plugged up to the dregs of a decoction, cause the filter effect variation.

Furthermore, spiral stirring subassembly includes the rotation axis, locates stirring leaf on the rotation axis and is used for driving the second driving motor of rotation axis. This setting drives the stirring leaf rotation through second driving motor drive rotation axis to realize stirring effect, can improve the effect of presoaking effectively, realize stirring garrulous and the intensive mixing to plant material, prevent simultaneously that plant material from stifled in the feeder hopper.

Furthermore, a spiral heating pipeline is arranged in the water inlet pipe. This setting can heat water in the short distance fast, can improve extraction efficiency well through hot water, realizes continuous work simultaneously.

Furthermore, a second flow valve is arranged at the bottom of the feed hopper. This setting can control the flow that the feeder hopper got into the barrel, gives a abundant time of presoaking process, improves and draws the effect.

Furthermore, a sealing cover which can be turned over and opened is arranged on the barrel body. This setting can conveniently maintain the clearance to staving inside through opening sealed lid.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the construction of the scraping disc.

In the figure, 1, an ultrasonic generator; 2. a barrel body; 3. a screw propulsion mechanism; 4. a partition spraying mechanism; 5. a zone temperature control assembly; 6. a screen grid; 7. a feed hopper; 8. a discharge pipe; 9. a water supply pipe; 10. a slag discharge pipe; 11. a sealing cover; 31. a stirring shaft; 32. helical leaves; 33. a first drive motor; 41. a shower head; 42. a shower pipe; 43. a water pump; 44. a first flow valve; 51. a temperature sensor; 52. a heater; 71. a water inlet pipe; 72. a feed pipe; 73. a rotating shaft; 74. stirring blades; 75. a second drive motor; 76. a spiral heating pipe; 77. a second flow valve; 311. a scraping plate; 3111. a through hole; 3112. and (5) brushing teeth.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.

As shown in fig. 1-2, the continuous countercurrent extraction device comprises a barrel body 2 provided with an ultrasonic generator 1, a spiral propulsion mechanism 3 partially arranged in the barrel body 2, a partition spraying mechanism 4 partially arranged on the barrel body 2, a partition temperature control assembly 5 arranged in the barrel body 2 and filter screen grilles 6 arranged at two ends of the barrel body 2, wherein the filter screen grilles 6 are common metal filter screens, have long service life and low cost;

specifically, a feed hopper 7, a discharge pipe 8 and a water supply pipe 9 are welded on the barrel body 2, a slag discharge pipe 10 for discharging dregs of a decoction can be welded on the barrel body, a water inlet pipe 71 and a feed pipe 72 are welded on the feed hopper 7, and a spiral stirring assembly is arranged in the feed hopper 7.

Specifically, the screw propulsion mechanism 3 includes a stirring shaft 31 rotatably disposed in the barrel body 2, a screw blade 32 fixed or welded to the stirring shaft 31 by a screw, and a first driving motor 33 drivingly connected to the stirring shaft 31, wherein the first driving motor 33 is fixed to the outer wall of the barrel body 2 by a screw. The stirring shaft 31 is driven to rotate by the first driving motor 33 to drive the spiral blade 32 to rotate, the spiral blade 32 is positioned between the two filter screen grids 6, and the stirring shaft 31 is rotationally connected with the filter screen grids 6, so that the filter screen grids 6 and the stirring shaft 31 can move in a relative rotating mode.

Specifically, the partitioned spray mechanism 4 includes a plurality of spray headers 41 welded and fixed in the barrel 2, spray pipes 42 communicated with the spray headers 41, and a common water pump 43 for supplying water, and a first flow valve 44 is separately disposed between each spray header 41 and each spray pipe 42. This setting makes every shower head 41 all can be by the independent control flow size to the injection pressure of every shower head 41 of control, cooperation spiral advancing mechanism 3 makes the raw materials can fully moist, avoids it because buoyancy and can't mix with the solvent contact, improves pigment extraction efficiency.

Specifically, the spray headers 41 are uniformly arranged along the length direction of the barrel body 2 at intervals, and the spray pipes 42 are all positioned on the inner wall of the top of the barrel body 2. The arrangement can ensure that the spraying effect is better and the spraying is more uniform.

Specifically, the partitioned temperature control assembly 5 comprises a plurality of temperature sensors 51 uniformly arranged along the length direction of the stirring shaft 31 at intervals and a plurality of heaters 52 respectively connected with the single temperature sensor 51 in a wireless communication manner, and the heaters 52 are uniformly arranged along the length direction of the barrel body 2 at intervals. This setting is divided into a plurality of subregion in with staving 2, carries out temperature-detecting to every subregion through temperature sensor 51, adjusts the temperature through heater 52, can realize the accurate regulation to temperature in the staving 2 for the temperature in the staving 2 is even, and can be in the best temperature that draws all the time, promotes extraction efficiency greatly and draws the effect, has reduced the waste of plant material.

In the present embodiment, the temperature sensor 51 and the heater 52 are commercially available products, and are not described herein again for the sake of the prior art.

Specifically, be equipped with two scraping plate 311 on the (mixing) shaft 31, be equipped with a plurality of through-holes 3111 and a plurality of brush tooth 3112 on scraping plate 311, and two scraping plate 311 are located the inboard of two filter screen grids 6 respectively. Scraping plate 311 is rotatory along with (mixing) shaft 31, can constantly scrub one side that filter screen grid 6 is close to spiral leaf 32 through the brush tooth, prevents that the filter screen grid 6 is plugged up to the dregs of a decoction, causes the filter effect variation.

Specifically, the spiral stirring assembly includes a rotating shaft 73, a stirring blade 74 disposed on the rotating shaft 73, and a second driving motor 75 for driving the rotating shaft 73, and the second driving motor 75 is mounted on the feeding hopper 7 through a screw. This setting drives rotation axis 73 through second driving motor 75 and drives the stirring leaf 74 rotation to realize stirring effect, can improve the effect of presoaking effectively, realize the stirring garrulous and the intensive mixing to plant material, prevent simultaneously that plant material from stifled in feeder hopper 7.

In this embodiment, the first driving motor 33 and the second driving motor 75 are both dc variable frequency motors, which can effectively adjust power to save energy.

Specifically, a spiral heating pipeline 76 is disposed in the water inlet pipe 71, and the spiral heating pipeline 76 is a common spiral heating device, and the structure thereof is not described herein again. This setting can heat water in the short distance fast, can improve extraction efficiency well through hot water, realizes continuous work simultaneously.

Specifically, the bottom of the feed hopper 7 is provided with a second flow valve 77. This setting can control the flow that feeder hopper 7 got into 2 insides of staving, gives a abundant time of presoaking process, improves and draws the effect.

Specifically, be equipped with the sealed lid 11 that can overturn and open on the staving 2, sealed lid 11 is installed on staving 2 through common articulated mode, and concrete mounting structure is no longer repeated here. This setting, through opening sealed lid 11 can conveniently maintain the clearance to staving 2 inside.

The part of the utility model which is not described in detail is the prior art, so the utility model does not detail the part.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

Although the terms of the ultrasonic generator 1, the tub 2, the screw propulsion mechanism 3, the zone spraying mechanism 4, the zone temperature control assembly 5, the screen grid 6, the feed hopper 7, the discharge pipe 8, the water supply pipe 9, the slag discharge pipe 10, the sealing cover 11, the stirring shaft 31, the spiral blade 32, the first driving motor 33, the shower head 41, the shower pipe 42, the water pump 43, the first flow valve 44, the temperature sensor 51, the heater 52, the water inlet pipe 71, the feed pipe 72, the rotating shaft 73, the stirring blade 74, the second driving motor 75, the spiral heating pipe 76, the second flow valve 77, the scraping plate 311, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.

Claims

1. A continuous countercurrent extraction device is characterized by comprising a barrel body, a spiral propelling mechanism, a partition spraying mechanism, a partition temperature control assembly and filter screen grids, wherein part of the spiral propelling mechanism is arranged in the barrel body, part of the partition spraying mechanism is arranged on the barrel body, the partition temperature control assembly is arranged in the barrel body, and the filter screen grids are arranged in two ends of the barrel body; the barrel body is provided with a feed hopper, a discharge pipe and a water supply pipe, the feed hopper is provided with a water inlet pipe and a feed pipe, and the feed hopper is internally provided with a spiral stirring assembly.

2. The continuous countercurrent extraction device according to claim 1, wherein the screw propulsion mechanism comprises a stirring shaft rotatably disposed in the barrel, a screw blade disposed on the stirring shaft, and a first driving motor drivingly connected to the stirring shaft, and the first driving motor is detachably disposed on the outer wall of the barrel.

3. The continuous countercurrent extraction apparatus of claim 1, wherein the zoned spray mechanism comprises a plurality of spray headers disposed in the barrel, spray pipes connected to the spray headers, and a water pump for supplying water, and a first flow valve is separately disposed between each spray header and each spray pipe.

4. The continuous countercurrent extraction apparatus of claim 3, wherein the showerheads are uniformly spaced along the length of the barrel, and the showers are located on the inner wall of the top of the barrel.

5. The continuous countercurrent extraction apparatus of claim 2, wherein the zonal temperature control assembly comprises a plurality of temperature sensors evenly spaced along the length of the stirring shaft, and a plurality of heaters respectively in communication with the temperature sensors, the heaters being evenly spaced along the length of the barrel.

6. The continuous countercurrent extraction apparatus of claim 2, wherein the stirring shaft is provided with two scraping discs, the scraping discs are provided with a plurality of through holes and a plurality of brush teeth, and the two scraping discs are respectively positioned at the inner sides of the two screen grids.

7. The continuous countercurrent extraction apparatus of claim 1, wherein the helical stirring assembly comprises a rotating shaft, stirring blades disposed on the rotating shaft, and a second driving motor for driving the rotating shaft.

8. The continuous countercurrent extraction apparatus of claim 1, wherein a spiral heating conduit is disposed within the inlet conduit.

9. A continuous countercurrent extraction apparatus according to claim 1, characterized in that the bottom of the feed hopper is provided with a second flow valve.

10. The continuous countercurrent extraction apparatus of claim 1, wherein said barrel is provided with a sealing cover which can be opened by turning.