CN216798779U

CN216798779U - Circulating extraction device of water-soluble natural product

Info

Publication number: CN216798779U
Application number: CN202123441065.4U
Authority: CN
Inventors: 段伟; 刘洪金
Original assignee: Jiangsu Weini Food Co ltd
Current assignee: Jiangsu Weini Food Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-24
Anticipated expiration: 2031-12-30

Abstract

The application relates to a circulating extraction device for water-soluble natural products, which relates to the technical field of extraction; the extraction tank comprises an extraction tank body, wherein a plurality of extraction chambers are arranged in the extraction tank body, each extraction chamber is communicated with a feed pipe, a liquid inlet pipe and a liquid pumping pipe, the liquid inlet pipe is communicated with a liquid conveying pump, and the liquid pumping pipe is communicated with a liquid pumping pump; a slag hole is arranged on the bottom wall of the extraction tank body close to each extraction cavity, and a slag discharging plate is inserted into each slag hole; the top of each extraction chamber is provided with a cleaning plate, the side wall of the cleaning plate is attached to the inner wall of the extraction chamber, a connecting rod is arranged between the cleaning plate and the slag discharging plate together, a driving assembly for driving each connecting rod to slide along the height direction of the extraction chamber is arranged outside the extraction tank body, and a yielding space for the slag discharging plate, the cleaning plate and the connecting rod to move downwards is arranged below the extraction tank body; this application has the realization to the cleanness of extraction cavity, guarantees the characteristics of the extraction effect of follow-up material in the extraction cavity.

Description

Circulating extraction device of water-soluble natural product

Technical Field

The application relates to the technical field of extraction, in particular to a circulating extraction device for water-soluble natural products.

Background

At present, the demand of various water-soluble natural products, in particular natural pigments or natural food additives, is increasing, and the extraction technology of natural food additives is also increasing, and the extraction is a method for transferring solute substances from one solvent to another solvent by using the difference of the solubility or distribution coefficient of the substances in two solvents which are not soluble (or slightly soluble) with each other, wherein the solid-liquid extraction, also called leaching, uses the solvent to separate the components in the solid mixture.

A related Chinese patent with the publication number of CN203447815U discloses a circulating extraction device for water-soluble natural products, which comprises a tank shell and an extraction tank body arranged in the inner cavity of the tank shell, wherein a support shaft and a plurality of partition plates are arranged in the extraction tank body, the support shaft, the adjacent partition plates and the side wall of the extraction tank body jointly enclose an extraction cavity of a fan-shaped structure, a top cover is arranged at the top end of the tank shell, a feed inlet is arranged at the side edge of the top cover, a tank cover is arranged on the top wall of the extraction tank body close to each extraction cavity, a motor for driving the support shaft to rotate is arranged at the center of a slag discharging bin, a circulating pump is fixedly arranged at the right side of the bottom of the tank shell, the output end of the circulating pump is respectively communicated with each extraction cavity through a soft pipeline, an immersion liquid suction pump is fixed at the left side of the bottom of the tank shell, and the input end of the immersion liquid suction pump is respectively communicated with the bottom end of the inner side of each extraction cavity through a pipeline; during operation, the motor drives the extraction tank body to rotate, the extraction cavities are sequentially rotated to the position below the feeding hole, then the tank covers corresponding to the extraction cavities are opened, materials enter the extraction cavities through the feeding hole, then the extraction cavities are filled with leaching liquid through the circulating pump, so that the leaching liquid reacts with raw materials to realize extraction, after a certain time of extraction, the leaching liquid in the extraction cavities is sucked out through the leaching liquid extracting pump, and then the slag discharging plate is opened, so that the raw material slag in the extraction cavities is discharged into the slag discharging bin and is discharged from the slag discharging hole.

In view of the above-mentioned related technologies, the inventors found that in the process of discharging raw material slag, a situation that part of raw material slag is adhered to the inner wall of the extraction chamber and cannot be completely discharged occurs, which affects the cleanness of the extraction chamber.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems that raw material residues after extraction in the related technology are easy to accumulate in an extraction cavity and cannot be completely discharged, the cleanness of the extraction cavity is influenced, and the extraction efficiency is low, the application provides the water-soluble natural product circulating type extraction device.

The application provides a circulating extraction device of water-soluble natural product adopts following technical scheme:

a circulating extraction device for water-soluble natural products comprises an extraction tank body, wherein a plurality of extraction chambers are arranged in the extraction tank body, each extraction chamber is communicated with a feeding pipe, a liquid inlet pipe and a liquid pumping pipe, the liquid inlet pipe is communicated with an infusion pump, and the liquid pumping pipe is communicated with a liquid pumping pump; a slag outlet is formed in the bottom wall of the extraction tank body close to each extraction cavity, and a slag discharging plate is inserted into each slag outlet; the top of each extraction cavity is provided with a cleaning plate, the side wall of each cleaning plate is attached to the inner wall of the extraction cavity, a connecting rod is arranged between each cleaning plate and the slag discharging plate, a driving assembly used for driving each connecting rod to slide along the height direction of the extraction cavity is arranged outside the extraction tank body, and a space for allowing the slag discharging plates, the cleaning plates and the connecting rods to move downwards is arranged below the extraction tank body.

Through adopting above-mentioned technical scheme, after the extraction is accomplished, drive the connecting rod in the extraction cavity that the extraction was accomplished through drive assembly and move down, let out the sediment board and break away from the slag notch this moment, the extraction cavity is discharged from the slag notch to the raw materials sediment, and the cleaning plate moves down along with the connecting rod in the lump this moment to at the in-process scraping down and extracting the cavity inner wall, make the raw materials sediment of adhesion on the extraction cavity inner wall can discharge the extraction cavity, optimize the clean effect to the extraction cavity.

Preferably, the upper surface of the slag discharging plate away from the central position is inclined towards the direction away from the cleaning plate.

Through adopting above-mentioned technical scheme, what slope set up lets out the sediment board and can make the raw materials sediment that falls into on letting out sediment board upper surface break away from under the effect of the upper surface of slope and let out the sediment board, reduce the volume of letting out the raw materials sediment on the sediment board.

Preferably, the top wall of the extraction tank body close to the extraction chamber is provided with an embedding groove for embedding the cleaning plate.

Through adopting above-mentioned technical scheme, insert the cleaning plate and locate in the embedded groove to reduce the shared volume of cleaning plate in the extraction cavity, thereby increase the space that can supply material and immersion fluid to place in the extraction cavity.

Preferably, the side wall of the cleaning plate is provided with a fixing groove along the circumferential direction of the side wall of the cleaning plate, a plurality of butt-joint plates are arranged in the fixing groove, all the butt-joint plates jointly enclose a structure matched with the peripheral outline of the fixing groove, a spring is jointly connected between each butt-joint plate and the inner wall of the fixing groove, and one side, away from the fixing groove, of each butt-joint plate abuts against the inner wall of the extraction chamber.

Through adopting above-mentioned technical scheme, the spring is in the state of compressed all the time, and when the butt plate was worn and torn with the extraction cavity contact for a long time, the spring will drive the butt plate and remove towards the direction that is close to the extraction cavity inner wall to guarantee that the butt plate lateral wall offsets with the extraction cavity inner wall all the time, extension butt plate's life.

Preferably, each butt-joint plate comprises a feeding plate and a wear-resistant cushion layer, one side of the wear-resistant cushion layer is connected to the side wall of the feeding plate, the other side of the wear-resistant cushion layer abuts against the inner wall of the extraction chamber, and one side, far away from the wear-resistant cushion layer, of the feeding plate is inserted into the fixing groove and connected with the spring at the corresponding position.

Through adopting above-mentioned technical scheme, the wearing and tearing of butt joint board can be reduced in setting up of wear-resisting bed course, further prolongs the life of butt joint board.

As preferred, extraction jar body lower extreme is equipped with the storage sediment storehouse, the space of stepping down is located the storage sediment storehouse, the space of stepping down sets up with the extraction cavity one-to-one, and communicates in the extraction cavity below, the storage sediment storehouse is close to the lateral wall of each space department of stepping down and has all seted up the breach of stepping down, the storage sediment storehouse is close to each all be equipped with the shower on the lateral wall of breach department of stepping down, the common intercommunication of one end that the space department of stepping down was kept away from to the shower has the suction pump.

Through adopting above-mentioned technical scheme, when clean ring board, connecting rod and let the sediment board remove to in the space of stepping down, can extract outside water source and spout from the shower through the suction pump to make the shower clean ring board, connecting rod and let the sediment board surface, further reduce clean ring board, connecting rod and let the raw materials sediment volume of remaining on the sediment board.

Preferably, the slag storage bin is close to each the inside of stepping down space department still is equipped with the filter screen, the filter screen will step down the space and cut apart into the slag storage space that is located the filter screen top and the water storage space that is located the filter screen below, the lateral wall that the slag storage bin is close to slag storage space department all is provided with row cinder notch.

Through adopting above-mentioned technical scheme, the separation of raw materials sediment and follow shower spun water can be realized in the setting of filter screen to later stage operating personnel can recycle the raw materials sediment more conveniently.

Preferably, the filter screen is positioned above the slag discharging port, and one side of the filter screen close to the slag discharging port is inclined downwards along the height direction of the slag storage bin.

Through adopting above-mentioned technical scheme, the filter screen that the slope set up can make the raw materials sediment that falls on the filter screen can concentrate on row's cinder notch department, makes things convenient for the raw materials sediment on the filter screen to discharge from the investigation mouth fast.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after extraction is finished, the connecting rod in the extraction cavity after extraction is driven by the driving assembly to move downwards, the slag discharging plate is separated from the slag hole, raw material slag is discharged out of the extraction cavity from the slag hole, the cleaning plate moves downwards along with the connecting rod at the moment, and the inner wall of the extraction cavity is scraped in the downward moving process, so that the raw material slag adhered to the inner wall of the extraction cavity can be discharged out of the extraction cavity, and the cleaning effect on the extraction cavity is optimized;

2. when clean ring board, connecting rod and let the sediment board remove to in the space of stepping down, can extract outside water source and spout from the shower through the suction pump to make the shower clean ring board, connecting rod and let the sediment board surface, further reduce clean ring board, connecting rod and let the raw materials sediment volume of remaining on the sediment board.

Drawings

FIG. 1 is a schematic diagram of a water-soluble natural product circulating extraction apparatus according to an embodiment.

FIG. 2 is a sectional view of a circulating type extraction apparatus for water-soluble natural products in the example.

FIG. 3 is a sectional view showing the internal structure of the extraction tank in the embodiment.

Fig. 4 is an enlarged schematic view of the structure of part a in fig. 2.

Description of reference numerals: 1. a frame; 11. a hopper; 111. a discharge valve; 2. an extraction tank body; 21. a support pillar; 211. a drive motor; 22. a partition plate; 221. a abdication gap; 23. an extraction chamber; 231. a slag outlet; 2311. a slag discharge plate; 232. an embedding groove; 24. a feed pipe; 25. a liquid inlet pipe; 251. an infusion pump; 252. an input tube; 253. an immersion liquid tank; 26. a liquid pumping pipe; 261. a liquid pump; 262. an output pipe; 263. a collection barrel; 27. a drive assembly; 271. a driving cylinder; 28. cleaning the plate; 281. fixing grooves; 2811. a spring; 282. a butt plate; 2821. a feed plate; 2822. a wear-resistant cushion layer; 29. a connecting rod; 3. a slag storage bin; 31. a slag discharge port; 33. filtering with a screen; 34. a shower pipe; 35. a water pump; 36. a water tank; 37. and (5) yielding space.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a circulating extraction device of water-soluble natural products. Referring to fig. 1 and 2, the extraction device includes frame 1, rotates the extraction jar body 2 of connecting in frame 1, and the upper end of the extraction jar body 2 is sealed, and the fixed welding of the 2 direction of height of the extraction jar body in the 2 inner chamber central points of the extraction jar body has support column 21, and the extraction jar body 2 is run through at the top of support column 21 to the welding has driving motor 211, and driving motor 211 shell bolt installation is on frame 1, and the driving end of driving motor 211 welds in support column 21 upper end wall.

Referring to fig. 2 and 3, a plurality of partition plates 22 are welded on the outer side wall of the support column 21 along the circumferential direction thereof, one side of each partition plate 22, which is far away from the support column 21, is welded on the inner side wall of the extraction tank body 2, and the support column 21, the inner side wall of the extraction tank body 2, the top wall inside the extraction tank body 2, the bottom wall inside the extraction tank body 2, and two adjacent partition plates 22 jointly enclose an extraction chamber 23, in this embodiment, the number of the partition plates 22 is 4, and the number of the extraction chambers 23 is 4; the upper end wall of the support column 21 is further provided with an infusion pump 251 and an infusion pump 261 through bolts, the input end of the infusion pump 251 is communicated with an input pipe 252, the outer side wall of the extraction tank body 2 is welded with an immersion tank 253 for storing immersion liquid, and the input pipe 252 is communicated with the immersion tank 253; the output end of the infusion pump 251 is communicated with a plurality of liquid inlet pipes 25, the liquid inlet pipes 25 are arranged corresponding to the extraction chambers 23 one by one, and the liquid inlet pipes 25 are communicated in the extraction chambers 23.

Referring to fig. 1 and 2, the input end of the liquid pump 261 is communicated with a plurality of liquid extraction pipes 26, the liquid extraction pipes 26 are arranged in one-to-one correspondence with the extraction chambers 23, the liquid extraction pipes 26 penetrate through the support column 21 and are located in the extraction chambers 23, and the end walls of the pipe orifices of the liquid extraction pipes 26 close to the extraction chambers 23 are flush with the outer surface of the support column 21; the output end of the liquid pump 261 is communicated with an output pipe 262, the output pipe 262 is positioned outside the extraction tank body 2 and is communicated with a collecting barrel 263, and the collecting barrel 263 is fixedly arranged on the outer side wall of the extraction tank body 2.

Referring to fig. 2, a hopper 11 for containing raw materials is arranged on the frame 1, a discharge valve 111 is arranged at the lower end of the hopper 11, a feed pipe 24 is inserted through the top wall of each extraction chamber 23 of the extraction tank body 2, the hopper 11 is positioned above the feed pipe 24, when the drive motor 211 drives the extraction tank body 2 to rotate by taking the support column 21 as the center, all the feed pipes 24 can pass through the right lower part of the hopper 11, and the raw materials and the immersion liquid are mixed to realize extraction; the diapire that the extraction jar body 2 is close to each extraction cavity 23 department all runs through and has seted up slag notch 231, all inserts in each slag notch 231 and is equipped with and lets out slag plate 2311, lets out slag plate 2311 lateral wall and laminates in slag notch 231 inner wall.

Referring to fig. 2, a slag storage bin 3 with an opening at the upper part is further arranged below the extraction tank body 2, the upper end wall of the slag storage bin 3 is welded with the lower surface of the extraction tank body 2, a partition plate 22 and a support column 21 both extend into the slag storage bin 3, the side wall of the partition plate 22 is welded with the inner side wall of the slag storage bin 3, and the lower end of the support column 21 is welded on the bottom wall of the slag storage bin 3; store up 3 inside walls in sediment storehouse, 3 diapalls in sediment storehouse, let out sediment board 2311, support column 21 to and adjacent baffle enclose jointly and synthesize the space of stepping down 37, step down space 37 and extraction cavity 23 one-to-one setting, and set up in the below that corresponds extraction cavity 23 to be used for collecting the raw materials sediment after the extraction.

Referring to fig. 1 and 2, the extraction tank 2 further includes a driving assembly 27, the driving assembly 27 includes a plurality of driving cylinders 271, the driving cylinders 271 and the extraction chambers 23 are arranged in a one-to-one correspondence, and are fixedly mounted on the top wall of the extraction tank 2 near each extraction chamber 23 through bolts, and the height direction of the driving cylinders 271 is parallel to the height direction of the extraction chambers 23; all insert in each extraction cavity 23 and be equipped with cleaning plate 28 and connecting rod 29, connecting rod 29 length direction is on a parallel with extraction cavity 23 direction of height, and connecting rod 29 lower extreme welds in the sediment board 2311 upper surface of letting out of corresponding position, and connecting rod 29 upper end is run through cleaning plate 28 and is connected in the actuating cylinder 271 drive end that drives that is close to with it, and cleaning plate 28 is fixed to be cup jointed in connecting rod 29 lateral wall to drive the lift of connecting rod 29, cleaning plate 28 and sediment board 2311 through driving actuating cylinder 271.

Referring to fig. 2 and 4, the top wall of the extraction tank body 2 near each extraction chamber 23 is provided with an embedding groove 232, and when the slag discharge plate 2311 is inserted into the slag outlet 231, the cleaning plate 28 is just embedded into the embedding groove 232; the side wall of the cleaning plate 28 is provided with a fixing groove 281 along the circumferential direction, the inside of the fixing groove 281 is provided with a butt joint plate 282 in an inserted manner, all the butt joint plates 282 are enclosed to form a structure matched with the peripheral contour of the fixing groove 281, each butt joint plate 282 comprises a feeding plate 2821 and a wear-resistant cushion 2822 fixedly adhered to the side wall of the feeding plate 2821, one side of the feeding plate 2821 far away from the wear-resistant cushion 2822 is inserted into the fixing groove 281, a spring 2811 is fixedly adhered to the side wall of the feeding plate 2821 far away from the wear-resistant cushion 2822, one end of the spring 2811 far away from the feeding plate 2821 is welded to the inner wall of the fixing groove 281, and the length direction of the spring 2811 is parallel to the depth direction of the fixing groove 281; the wear-resistant cushion 2822 can be a rubber cushion, the spring 2811 is always in a compressed state, and the side wall of the wear-resistant cushion 2822 far away from the feeding plate 2821 is abutted against the inner side wall of the extraction tank body 2; the upper surface of the slag discharging plate 2311 away from the center is inclined in a direction away from the cleaning plate 28 to reduce the accumulation of the raw material slag on the upper surface of the slag discharging plate 2311.

Referring to fig. 2, be located the inside baffle 22 in storage sediment storehouse 3, be located the inside support column 21 lateral wall in storage sediment storehouse 3, and storage sediment storehouse 3 all seted up on the inside wall of the space 37 department of stepping down towards, the breach 221 of stepping down sets up along baffle 22 direction of height, the setting up of the breach 221 of stepping down makes the baffle 22 thickness that is located in storage sediment storehouse 3 be less than the interior baffle 22 thickness of the extraction tank body 2, storage sediment storehouse 3 is close to each breach 221 department of stepping down and all is equipped with shower 34, shower 34 mouth of pipe is towards stepping down in the space 37, shower 34 is kept away from the common intercommunication of the lateral wall of the space 37 department of stepping down and is had suction pump 35, the input of suction pump 35 is inserted through the pipeline and is located in the open water tank 36 in the top, suction pump 35 output communicates in shower 34.

Referring to fig. 2, a filter screen 33 is arranged inside each abdicating space 37 of the slag storage bin 3, the abdicating space 37 is divided into a water storage space and a slag storage space by the filter screen 33, the water storage space is positioned below the filter screen 33, the slag storage space is positioned above the filter screen 33, the filter screen 33 is positioned below the spray pipe 34 and the slag discharge plate 2311, and the outer side wall of the filter screen 33 is fixedly welded on the baffle, the support column 21 and the inner wall of the slag storage bin 3; slag discharging openings 31 are formed in the side walls, close to each slag storage space, of the slag storage bin 3, a filter screen 33 is located above the slag discharging openings 31, and the filter screen 33 is arranged on one side, close to the slag discharging openings 31, in a downward inclined mode.

The implementation principle of the circulating extraction device for the water-soluble natural products in the embodiment of the application is as follows: the extraction tank body 2 and the slag storage bin 3 are driven to rotate by the driving motor 211 until one of the feeding pipes 24 rotates to the position below the hopper 11 and then stops, the discharge valve 111 on the hopper 11 is opened to enable the raw materials to fall into the extraction chamber 23 right below the hopper 11, then quantitative immersion liquid is extracted into the extraction chambers 23 with the raw materials stored by the infusion pump 251 to enable the raw materials to be in contact reaction with the immersion liquid to achieve extraction, and then the driving motor 211 is rotated again to enable the raw materials and the immersion liquid to be input into each extraction chamber 23 to achieve extraction; after extraction is completed, immersion liquid in the extraction chamber 23 is pumped out through the liquid pump 261, then the driving cylinder 271 and the water pump 35 are started, the connecting rod 29 is driven to move downwards through the driving cylinder 271, at the moment, the slag discharge plate 2311 is separated from the slag hole 231 and enters the yielding space 37, the inner wall of the extraction chamber 23 is scraped by the cleaning plate 28 in the downward moving process to scrape down raw slag, the raw slag falls onto the filter screen 33, a water source is pumped through the water pump 35 and is sprayed out from the spray pipe 34 to clean the cleaning plate 28, the connecting rod 29 and the slag discharge plate 2311, finally, the cleaning plate 28 and the slag discharge plate 2311 are reset through the driving cylinder 271, and the raw slag is discharged through opening the slag discharge hole 31.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A circulating extraction device for water-soluble natural products comprises an extraction tank body (2), wherein a plurality of extraction chambers (23) are arranged in the extraction tank body (2), each extraction chamber (23) is communicated with a feeding pipe (24), a liquid inlet pipe (25) and a liquid pumping pipe (26), the liquid inlet pipe (25) is communicated with an infusion pump (251), and the liquid pumping pipe (26) is communicated with a liquid pumping pump (261); a slag outlet (231) is formed in the bottom wall of the extraction tank body (2) close to each extraction chamber (23), and a slag discharging plate (2311) is inserted into each slag outlet (231); the method is characterized in that: each extraction cavity (23) top all is equipped with clean board (28), clean board (28) lateral wall laminates in extraction cavity (23) inner wall, clean board (28) with let and be equipped with connecting rod (29) between slag plate (2311) jointly, the extraction jar body (2) outside is provided with and is used for driving each drive connecting rod (29) are along the drive assembly (27) that extraction cavity (23) direction of height slided, the extraction jar body (2) below is equipped with and supplies to let and let space (37) that slag plate (2311), clean board (28) and connecting rod (29) moved down.

2. The circulating extraction apparatus of water-soluble natural products according to claim 1, wherein: the upper surface of the slag discharging plate (2311) far away from the central position is obliquely arranged in a direction far away from the cleaning plate (28).

3. The circulating extraction apparatus of water-soluble natural products according to claim 1, wherein: the top wall of the extraction tank body (2) close to the extraction chamber (23) is provided with an embedding groove (232) for embedding the cleaning plate (28).

4. The circulating extraction apparatus of water-soluble natural products according to claim 3, wherein: the side wall of the cleaning plate (28) is provided with a fixing groove (281) along the circumferential direction, a plurality of butt joint plates (282) are arranged in the fixing groove (281), all the butt joint plates (282) jointly enclose a structure matched with the peripheral contour of the fixing groove (281), a spring (2811) is jointly connected between each butt joint plate (282) and the inner wall of the fixing groove (281), and one side, far away from the fixing groove (281), of each butt joint plate (282) abuts against the inner wall of the extraction chamber (23).

5. The circulating extraction apparatus of water-soluble natural products according to claim 4, wherein: each butt joint plate (282) comprises a feeding plate (2821) and a wear-resistant cushion layer (2822), wherein one side of the wear-resistant cushion layer (2822) is connected to the side wall of the feeding plate (2821), the other side of the wear-resistant cushion layer (2822) abuts against the inner wall of the extraction chamber (23), one side, far away from the wear-resistant cushion layer (2822), of the feeding plate (2821) is inserted into the fixing groove (281), and is connected with the spring (2811) in the corresponding position.

6. The circulating extraction apparatus of water-soluble natural products according to claim 1, wherein: the extraction jar body (2) lower extreme is equipped with storage sediment storehouse (3), let a space (37) be located storage sediment storehouse (3), let a space (37) and extraction cavity (23) one-to-one setting, and communicate in extraction cavity (23) below, storage sediment storehouse (3) are close to the lateral wall that each let a space (37) department and have all seted up and let a breach (221), storage sediment storehouse (3) are close to each let a breach (34) all be equipped with on the lateral wall of breach (221) department, the common intercommunication of one end that lets a space (37) department is kept away from in shower (34) has suction pump (35).

7. The circulating extraction apparatus of water-soluble natural products according to claim 6, wherein: store up sediment storehouse (3) and be close to each let the inside of space (37) department still be equipped with filter screen (33), filter screen (33) will let space (37) split into the storage sediment space that is located filter screen (33) top and the water storage space that is located filter screen (33) below, the lateral wall that stores up sediment storehouse (3) is close to storage sediment space department all is provided with row cinder notch (31).

8. The circulating extraction apparatus of water-soluble natural products according to claim 7, wherein: the filter screen (33) is located the row's cinder notch (31) top, just one side that filter screen (33) are close to row's cinder notch (31) department sets up along storing up cinder bin (3) direction of height downward sloping.