CN216457024U - Tower type countercurrent leaching device for instant tea - Google Patents
Tower type countercurrent leaching device for instant tea Download PDFInfo
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- CN216457024U CN216457024U CN202122465644.6U CN202122465644U CN216457024U CN 216457024 U CN216457024 U CN 216457024U CN 202122465644 U CN202122465644 U CN 202122465644U CN 216457024 U CN216457024 U CN 216457024U
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Abstract
The utility model relates to the technical field of countercurrent leaching equipment, in particular to a tower type countercurrent leaching device for instant tea, which comprises a raw material tank, a tower type countercurrent leaching tank and a raw material recovery tank which are sequentially connected, wherein the tower type countercurrent leaching tank comprises a leaching tank body, a leaching inner tank and a fixed bracket; an ultrasonic generator is arranged in the leaching cavity of the leaching tank body, and a liquid outlet and a telescopic motor connected with a fixing block are arranged below the ultrasonic generator; the upper cavity of the leaching tank body is provided with a liquid inlet and a coupling, a rotating motor on the coupling is connected with a telescopic shaft, the outside of the telescopic shaft is provided with an oscillator, the lower end of the telescopic shaft is provided with a spiral stirring blade, and the tail end of the telescopic shaft is fixedly provided with a gravity piece arranged at the tail end of the telescopic shaft; the leaching inner tank comprises the curb plate and the bottom plate that sets up on the fixed block, and bottom plate sliding connection is in the curb plate, and the bottom plate is the filter screen, and leaching inner tank one side is equipped with the feed inlet, and the top of its opposite side is equipped with the discharge gate. The utility model improves the extraction efficiency and saves the installation space and the investment cost.
Description
Technical Field
The utility model relates to the technical field of countercurrent leaching equipment, in particular to a tower type countercurrent leaching device for instant tea.
Background
During the countercurrent extraction, the material and the solvent continuously move at the same time, but the moving directions are opposite. Continuous quantitative feeding makes the materials and the solvent fully contact, and the solvent in the equipment is continuously updated, so that the extraction efficiency is greatly improved, therefore, in recent years, countercurrent extraction is popular, and experts and scholars conduct a great deal of discussion and research on the countercurrent extraction.
For example, in the prior art, a tower countercurrent design is disclosed in "tower countercurrent leaching apparatus for instant tea" with patent No. CN212754099U, specifically, a microwave chamber, an ultrasonic chamber and a solid-liquid separation chamber are sequentially arranged from bottom to top in a vertical direction, tea raw materials enter from the bottom of the tower countercurrent leaching tank, and slowly move upwards under the push of an auger, while leaching solvents enter from the top of the ultrasonic chamber, and in a countercurrent manner, the design has the advantages of complete leaching, complete solvent utilization and the like, and can also realize continuity, but the leaching process is continuously performed, the quality of instant tea products obtained by leaching is poor, and the design is only suitable for large-scale leaching (discharging which is not beneficial to small-scale leaching), and therefore, the application of the design is limited.
For another example, in "an ultrasonic multistage countercurrent column extraction apparatus for tea leaves" with patent number CN204047877U, a structure of a plurality of ultrasonic countercurrent columns is disclosed, which can perform multistage countercurrent extraction, can control extraction temperature and extraction rate in multiple stages, and has the advantages of effectively adjusting the proportion of effective components and main flavor substances in tea leaves and improving product quality, but the structure is complicated, and the arrangement of a plurality of ultrasonic countercurrent columns has large floor area, and increases the investment cost of equipment.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide a tower type countercurrent leaching device for instant tea, which has the advantages of high leaching efficiency, simple structure, small occupied area and cost saving. In order to realize the purpose of the utility model, the following technical scheme is adopted:
the tower type countercurrent leaching device for the instant tea comprises a raw material tank, a tower type countercurrent leaching tank and a raw material recovery tank, wherein a raw material outlet at the bottom of the raw material tank is connected with the tower type countercurrent leaching tank through a raw material inlet pipe;
the leaching tank body is composed of a leaching cavity and an upper cavity fixed above the leaching cavity, the leaching cavity is of a closed structure with a hollow interior, an ultrasonic generator is arranged on the side wall inside the leaching cavity, a liquid outlet is arranged below the leaching cavity, the liquid outlet is connected with a liquid outlet pipe, a third valve is arranged on the liquid outlet pipe, a telescopic motor is arranged in the center of the lower surface of the leaching cavity, and a movable end of the telescopic motor is located in the leaching cavity and fixed with a fixed block; the outer surface of the upper cavity is provided with a liquid inlet and a coupling, the liquid inlet is connected with a liquid inlet pipe, the liquid inlet pipe penetrates through a top plate of the leaching cavity, a rotating motor is fixed on the coupling, the rotating motor is connected with a telescopic shaft through the coupling, the telescopic shaft is positioned in the upper cavity and the leaching cavity and penetrates through the top plate of the leaching cavity, an oscillator is fixed outside the telescopic shaft and fixed on the top plate of the leaching cavity, the lower end of the oscillator is provided with a spiral stirring blade, the tail end of the spiral stirring blade is fixed with a gravity piece, and the gravity piece is arranged at the tail end of the telescopic shaft;
the leaching inner tank is arranged in the leaching cavity and consists of a side plate and a bottom plate fixed at the bottom of the side plate, the top of the side plate is fixed on the lower surface of a top plate of the leaching cavity, the bottom plate is arranged on the upper surface of a fixed block, the bottom plate is a filter screen, a slide rail is arranged on the side plate, a slide block is arranged on the bottom plate, and the slide block is matched with the slide rail; the below of leaching inner tank one side is equipped with the feed inlet, the top of leaching inner tank one side is equipped with the discharge gate, just the raw materials inlet pipe runs through tower countercurrent leaching jar and is connected with the feed inlet, the discharging pipe runs through tower countercurrent leaching jar and is connected with the discharge gate.
Preferably, the feed inlet and the discharge outlet are arranged at opposite positions.
Preferably, the bottom plate of leaching inner tank is the slope structure that one end is high and the other end is low, just the one end that the bottom plate is close to the discharge gate is low, the one end height that the discharge gate was kept away from to the bottom plate.
Preferably, the bottom of the leaching cavity is provided with a sampling port.
Preferably, 2-6 circulating devices are arranged on the side surface of the leaching cavity.
Preferably, the circulating device comprises circulating liquid outlets arranged at the bottom of the side face of the leaching cavity, each circulating liquid outlet is connected with a circulating pipeline, the top end of each circulating pipeline is connected with a circulating liquid return port, each circulating liquid return port is arranged at the top of the side face of the leaching cavity, and each circulating pipeline is provided with a circulating valve.
Preferably, the liquid outlet pipe is connected with a back washing pipeline, and the back washing pipeline is provided with a fourth valve.
Preferably, a bent pipeline is arranged between the backwashing pipeline and the liquid outlet pipe, and the bent pipeline inclines upwards.
Preferably, the telescopic shaft comprises stiff end and flexible end, it is internal that the stiff end is fixed in the epicoele, flexible end is located the leaching cavity, just the stiff end is hollow structure for hold flexible end.
Preferably, the material of spiral stirring leaf is elastic plastics.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model adopts a tower type countercurrent design, and the extracting solution flows in from top to bottom, enters through a liquid inlet and is discharged from a liquid outlet pipe at the bottom of the leaching cavity; tea raw materials enter the leaching inner tank through the feed inlet by the raw material feed pipe, move from bottom to top under the action of the spiral stirring blades on the telescopic shaft, and are discharged through the discharge port, so that countercurrent continuous leaching is realized, and the leaching efficiency is improved.
The utility model is provided with the telescopic shaft, the leaching inner tank structure consisting of the side plate and the bottom plate, and the bottom plate moves up and down on the side plate under the action of the telescopic motor below the bottom plate, so that the tea raw materials can be extruded and filtered, the leaching efficiency is improved, the tea raw materials can be discharged when less tea raw materials are added, and the application range of the tea raw materials is expanded.
The utility model is also provided with a circulating device and a sampling port so as to carry out the component analysis of the leaching liquor in time, realize the circulating leaching, improve the quality of the instant tea product, occupy small area, save installation space and investment cost and have practical economic benefit.
Drawings
FIG. 1 is a schematic structural view of a tower type countercurrent leaching device for instant tea in the utility model;
FIG. 2 is a schematic diagram of a front view of a tower countercurrent leaching tank in accordance with the present invention;
FIG. 3 is a schematic view of the overall structure of the connecting structure of the side plate and the bottom plate according to the present invention;
FIG. 4 is a schematic front view of the telescopic shaft of the present invention;
in the figure, 1-raw material tank, 101-raw material outlet, 102-raw material feeding pipe, 103-first valve, 2-tower type countercurrent leaching tank, 201-leaching tank body, 2011-leaching cavity, 2012-upper cavity, 202-leaching inner tank, 2021-side plate, 2022-bottom plate, 203-fixed support, 3-raw material recovery tank, 4-liquid inlet, 5-liquid inlet pipe, 6-rotating motor, 7-shaft coupling, 8-telescopic shaft, 801-fixed end, 802-telescopic end, 9-oscillator, 10-spiral stirring blade, 11-gravity piece, 12-material inlet, 13-material outlet, 14-material outlet, 15-second valve, 16-circulating liquid outlet, 17-circulating pipeline, 18-circulating liquid water return port, 19-a sampling port, 20-a telescopic motor, 21-a fixed block, 22-a liquid outlet, 23-a liquid outlet pipe, 24-a third valve, 25-a back flushing pipeline, 26-a fourth valve, 27-a circulating valve, 28-a slide rail, 29-a slide block, 30-a bent pipeline and 31-an ultrasonic generator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Detailed description of the preferred embodiment 1
Fig. 1 is a schematic structural view of a tower type countercurrent leaching device for instant tea, and referring to fig. 2 to fig. 4, it can be seen that the tower type countercurrent leaching device for instant tea comprises a raw material tank 1, a tower type countercurrent leaching tank 2 and a raw material recovery tank 3, a raw material outlet 101 at the bottom of the raw material tank 1 is connected with the tower type countercurrent leaching tank 2 through a raw material feeding pipe 102, a material outlet 13 of the tower type countercurrent leaching tank 2 is connected with the raw material recovery tank 3 through a material discharging pipe 14, a first valve 103 is arranged on the raw material feeding pipe 102, and a second valve 15 is arranged on the material discharging pipe 14. Wherein, the tower type countercurrent leaching tank 2 comprises a leaching tank body 201, a leaching inner tank 202 and a fixed bracket 203 arranged at the bottom of the leaching tank body 201.
The leaching tank body 201 is composed of a leaching cavity 2011 and an upper cavity 2012 fixed above the leaching cavity 2011, the leaching cavity 2011 is of a closed structure with a hollow interior, and an ultrasonic generator 31 is arranged on the side wall inside the leaching cavity 2011, so that the extraction rate of tea leaves is improved. A sampling port 19 and a liquid outlet 22 are arranged below the leaching cavity 2011, wherein the liquid outlet 22 is connected with a liquid outlet pipe 23 provided with a third valve 24, the liquid outlet pipe 23 is connected with a back washing pipeline 25 provided with a fourth valve 26, and an upward inclined bent pipeline 30 is arranged between the back washing pipeline 25 and the liquid outlet pipe 23 to prevent leaching liquor from flowing back into the back washing pipeline; be equipped with 2 circulating device in the side of leaching cavity 2011, this circulating device is including setting up in the circulation liquid export 16 of leaching cavity 2011 side bottom, each circulation liquid export 16 is connected with circulating line 17 respectively, its top is connected in circulation liquid return water mouth 18, each circulation liquid return water mouth 18 sets up in the top of leaching cavity 2011 side, and be equipped with circulating valve 27 on each circulating line 17 respectively, in operation, 19 can carry out the analysis to the leaching liquor in the leaching cavity at any time at the sample connection, if the leaching liquor is saturated then discharge from the liquid outlet, if the leaching liquor is unsaturated then get into circulating line and extract, the quality of instant tea leaching has been guaranteed, the quality of product has been improved. The center of the lower surface of the leaching cavity 2011 is provided with a telescopic motor 20, and the movable end of the telescopic motor is positioned in the leaching cavity 2011 and is fixed with a fixed block 21. A liquid inlet 4 and a coupling 7 are arranged on the outer surface of the upper cavity 2012, the liquid inlet 4 is connected with a liquid inlet pipe 5, and the liquid inlet pipe 5 penetrates through a top plate of the leaching cavity 2011 so as to conveniently fill the leaching cavity with extracting solution through the liquid inlet; a rotating motor 6 is fixed on the coupling 7, and is connected with a telescopic shaft 8 through the coupling 7, the telescopic shaft 8 is located in the upper cavity 2012 and the extraction cavity 2011 and penetrates through a top plate of the extraction cavity 2011, specifically, the telescopic shaft 8 is composed of a fixed end 801 and a telescopic end 802, wherein the fixed end 801 is fixed in the upper cavity 2012, the telescopic end 802 is located in the extraction cavity 2011, and the fixed end 801 is of a hollow structure and can be used for accommodating the telescopic end 802; there is oscillator 9 at the external fixation of telescopic shaft 8, effect through the oscillator can improve row material efficiency when arranging the material, and this oscillator 9 is fixed in on the roof of leaching cavity 2011, the lower extreme at oscillator 9 is equipped with the spiral stirring leaf 10 of elastic plastic material, its end is fixed with gravity piece 11, and this gravity piece 11 sets up in telescopic shaft 8's end, under the effect of gravity, the tensile spiral stirring leaf of gravity piece expandes, the effect of cooperation rotating electrical machines stirs, promote the dispersion of tealeaves raw materials, be favorable to improving leaching efficiency.
The leaching inner tank 202 is arranged in a leaching cavity 2011, the leaching inner tank 202 is composed of a side plate 2021 and a bottom plate 2022 fixed at the bottom of the side plate 2021, the bottom plate 2022 is a filter screen so as to filter and discharge raw materials, wherein the top of the side plate 2021 is fixed at the lower surface of a top plate of the leaching cavity 2011, the bottom plate 2022 is arranged at the upper surface of a fixed block 21, a slide rail 28 is arranged on the side plate 2021, a slide block 29 matched with the slide rail 28 is arranged on the bottom plate 2022, and the bottom plate can slide up and down under the action of a telescopic motor along with the fixed block so as to discharge a small amount of materials; a feed inlet 12 is arranged below one side of the leaching inner tank 202, a discharge outlet 13 is arranged above the opposite side of the leaching inner tank 202, the raw material feed pipe 102 penetrates through the tower type countercurrent leaching tank 2 and is connected with the feed inlet 12, and the discharge pipe 14 penetrates through the tower type countercurrent leaching tank 2 and is connected with the discharge outlet 13.
In addition, in this embodiment, the bottom plate 2022 of the inner leaching tank 202 is an inclined structure with a high end and a low end, and the end of the bottom plate 2022 close to the discharge hole 13 is low, and the end of the bottom plate 2022 far away from the discharge hole 13 is high, so that the height difference is utilized, the materials are discharged under the action of gravity, no additional power is needed, and the energy and the cost are saved.
Specific example 2
Fig. 1 is a schematic structural view of a tower type countercurrent leaching device for instant tea, and referring to fig. 2 to fig. 4, it can be seen that the tower type countercurrent leaching device for instant tea comprises a raw material tank 1, a tower type countercurrent leaching tank 2 and a raw material recovery tank 3, a raw material outlet 101 at the bottom of the raw material tank 1 is connected with the tower type countercurrent leaching tank 2 through a raw material feeding pipe 102, a material outlet 13 of the tower type countercurrent leaching tank 2 is connected with the raw material recovery tank 3 through a material discharging pipe 14, a first valve 103 is arranged on the raw material feeding pipe 102, and a second valve 15 is arranged on the material discharging pipe 14. Wherein, the tower type countercurrent leaching tank 2 comprises a leaching tank body 201, a leaching inner tank 202 and a fixed bracket 203 arranged at the bottom of the leaching tank body 201.
The leaching tank body 201 is composed of a leaching cavity 2011 and an upper cavity 2012 fixed above the leaching cavity 2011, the leaching cavity 2011 is of a closed structure with a hollow interior, and an ultrasonic generator 31 is arranged on the side wall inside the leaching cavity 2011, so that the extraction rate of tea leaves is improved. A sampling port 19 and a liquid outlet 22 are arranged below the leaching cavity 2011, wherein the liquid outlet 22 is connected with a liquid outlet pipe 23 provided with a third valve 24, the liquid outlet pipe 23 is connected with a back washing pipeline 25 provided with a fourth valve 26, and an upward inclined bent pipeline 30 is arranged between the back washing pipeline 25 and the liquid outlet pipe 23 to prevent leaching liquor from flowing back into the back washing pipeline; be equipped with 6 circulating device who is the circumference equipartition in the side of leaching cavity 2011, this circulating device is including setting up in the circulation liquid export 16 of leaching cavity 2011 side bottom, each circulation liquid export 16 is connected with circulating line 17 respectively, its top is connected in circulation liquid return water mouth 18, each circulation liquid return water mouth 18 sets up in the top of leaching cavity 2011 side, and be equipped with circulation valve 27 on each circulating line 17 respectively, in operation, 19 can be at any time carry out the analysis to the leaching liquor in the leaching cavity at the sample connection, then discharge from the liquid outlet if the leaching liquor is saturated, then get into circulating line and extract if the leaching liquor is unsaturated, the quality of instant tea leaching has been guaranteed, the quality of product has been improved. The center of the lower surface of the leaching cavity 2011 is provided with a telescopic motor 20, and the movable end of the telescopic motor is positioned in the leaching cavity 2011 and is fixed with a fixed block 21. A liquid inlet 4 and a coupling 7 are arranged on the outer surface of the upper cavity 2012, the liquid inlet 4 is connected with a liquid inlet pipe 5, and the liquid inlet pipe 5 penetrates through a top plate of the leaching cavity 2011 so as to conveniently fill the leaching cavity with extracting solution through the liquid inlet; a rotating motor 6 is fixed on the coupling 7, and is connected with a telescopic shaft 8 through the coupling 7, the telescopic shaft 8 is located in the upper cavity 2012 and the extraction cavity 2011 and penetrates through a top plate of the extraction cavity 2011, specifically, the telescopic shaft 8 is composed of a fixed end 801 and a telescopic end 802, wherein the fixed end 801 is fixed in the upper cavity 2012, the telescopic end 802 is located in the extraction cavity 2011, and the fixed end 801 is of a hollow structure and can be used for accommodating the telescopic end 802; there is oscillator 9 at the external fixation of telescopic shaft 8, effect through the oscillator can improve row material efficiency when arranging the material, and this oscillator 9 is fixed in on the roof of leaching cavity 2011, the lower extreme at oscillator 9 is equipped with the spiral stirring leaf 10 of elastic plastic material, its end is fixed with gravity piece 11, and this gravity piece 11 sets up in telescopic shaft 8's end, under the effect of gravity, the tensile spiral stirring leaf of gravity piece expandes, the effect of cooperation rotating electrical machines stirs, promote the dispersion of tealeaves raw materials, be favorable to improving leaching efficiency.
The leaching inner tank 202 is arranged in a leaching cavity 2011, the leaching inner tank 202 is composed of a side plate 2021 and a bottom plate 2022 fixed at the bottom of the side plate 2021, the bottom plate 2022 is a filter screen so as to filter and discharge raw materials, wherein the top of the side plate 2021 is fixed at the lower surface of a top plate of the leaching cavity 2011, the bottom plate 2022 is arranged at the upper surface of a fixed block 21, a slide rail 28 is arranged on the side plate 2021, a slide block 29 matched with the slide rail 28 is arranged on the bottom plate 2022, and the bottom plate can slide up and down under the action of a telescopic motor along with the fixed block so as to discharge a small amount of materials; a feed inlet 12 is arranged below one side of the leaching inner tank 202, a discharge outlet 13 is arranged above the opposite side of the leaching inner tank 202, the raw material feed pipe 102 penetrates through the tower type countercurrent leaching tank 2 and is connected with the feed inlet 12, and the discharge pipe 14 penetrates through the tower type countercurrent leaching tank 2 and is connected with the discharge outlet 13.
In addition, in this embodiment, the bottom plate 2022 of the inner leaching tank 202 is an inclined structure with a high end and a low end, and the end of the bottom plate 2022 close to the discharge hole 13 is low, and the end of the bottom plate 2022 far away from the discharge hole 13 is high, so that the height difference is utilized, the materials are discharged under the action of gravity, no additional power is needed, and the energy and the cost are saved.
It can be seen from the above embodiments of the present invention that the present invention adopts a tower-type countercurrent design, and the extracting solution flows in from top to bottom, enters through the liquid inlet, and is discharged through the liquid outlet pipe at the bottom of the leaching cavity; tea raw materials enter the leaching inner tank through the feed inlet through the raw material feed pipe, move from bottom to top under the action of the spiral stirring blades on the telescopic shaft and are discharged through the discharge outlet, so that countercurrent continuous leaching is realized, and the leaching efficiency is improved; the leaching inner tank structure is provided with the telescopic shaft and is composed of the side plate and the bottom plate, and the bottom plate moves up and down on the side plate under the action of the telescopic motor below the bottom plate, so that the tea raw materials can be extruded and filtered, the leaching efficiency is improved, the material discharge is facilitated even if less tea raw materials are added, and the application range of the tea raw materials is expanded; still set up circulating device and sample connection to in time carry out the composition analysis of leaching liquor, and realized circulating leaching, improved the quality of instant tea product, area is little, saved installation space, practiced thrift investment cost, has actual economic benefits.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can understand that the changes or modifications within the technical scope of the present invention are included in the scope of the present invention, and therefore, the scope of the present invention should be subject to the protection scope of the claims.
Claims (10)
1. Tower countercurrent leaching device of instant tea, including head tank (1), tower countercurrent leaching jar (2) and raw materials recovery jar (3), raw materials export (101) of head tank (1) bottom are connected with tower countercurrent leaching jar (2) through raw materials inlet pipe (102), discharge gate (13) of tower countercurrent leaching jar (2) are connected with raw materials recovery jar (3) through discharging pipe (14), just be equipped with first valve (103) on raw materials inlet pipe (102), be equipped with second valve (15) on discharging pipe (14), its characterized in that: the tower type countercurrent leaching tank (2) comprises a leaching tank body (201), a leaching inner tank (202) and a fixed support (203) arranged at the bottom of the leaching tank body (201);
the leaching tank body (201) is composed of a leaching cavity (2011) and an upper cavity (2012) fixed above the leaching cavity (2011), the leaching cavity (2011) is of a closed structure with a hollow interior, an ultrasonic generator (31) is arranged on the side wall inside the leaching cavity (2011), a liquid outlet (22) is arranged below the leaching cavity (2011), the liquid outlet (22) is connected to a liquid outlet pipe (23), a third valve (24) is arranged on the liquid outlet pipe (23), a telescopic motor (20) is arranged in the center of the lower surface of the leaching cavity (2011), and the movable end of the telescopic motor (20) is located in the leaching cavity (2011) and is fixed with a fixed block (21); the outer surface of the upper cavity (2012) is provided with a liquid inlet (4) and a coupling (7), the liquid inlet (4) is connected with a liquid inlet pipe (5), the liquid inlet pipe (5) penetrates through the top plate of the leaching cavity (2011), the rotating motor (6) is fixed on the coupling (7), the rotating motor (6) is connected with a telescopic shaft (8) through a coupling (7), the telescopic shaft (8) is positioned in the upper cavity (2012) and the leaching cavity (2011) and penetrates through a top plate of the leaching cavity (2011), an oscillator (9) is arranged outside the telescopic shaft (8), the oscillator (9) is fixed on the top plate of the leaching cavity (2011), the lower end of the oscillator (9) is provided with a spiral stirring blade (10), a gravity piece (11) is fixed at the tail end of the spiral stirring blade (10), and the gravity piece (11) is arranged at the tail end of the telescopic shaft (8);
the leaching inner tank (202) is arranged in the leaching cavity (2011), the leaching inner tank (202) is composed of a side plate (2021) and a bottom plate (2022) fixed to the bottom of the side plate (2021), the top of the side plate (2021) is fixed to the lower surface of a top plate of the leaching cavity (2011), the bottom plate (2022) is arranged on the upper surface of a fixed block (21), the bottom plate (2022) is a filter screen, a slide rail (28) is arranged on the side plate (2021), a slide block (29) is arranged on the bottom plate (2022), and the slide block (29) is matched with the slide rail (28); the lower part of one side of the inner leaching tank (202) is provided with a feed inlet (12), the upper part of one side of the inner leaching tank (202) is provided with a discharge outlet (13), the raw material feed pipe (102) penetrates through the tower type countercurrent leaching tank (2) to be connected with the feed inlet (12), and the discharge pipe (14) penetrates through the tower type countercurrent leaching tank (2) to be connected with the discharge outlet (13).
2. The tower countercurrent leaching apparatus for instant tea according to claim 1, wherein: the feed inlet (12) and the discharge outlet (13) are arranged at opposite positions.
3. The tower countercurrent leaching apparatus for instant tea according to claim 1 or 2, wherein: the bottom plate (2022) of the leaching inner tank (202) is of an inclined structure with one high end and the other low end, the end, close to the discharge hole (13), of the bottom plate (2022) is low, and the end, far away from the discharge hole (13), of the bottom plate (2022) is high.
4. The tower countercurrent leaching apparatus for instant tea according to claim 1, wherein: the bottom of the leaching cavity (2011) is provided with a sampling port (19).
5. The tower countercurrent leaching apparatus for instant tea according to claim 1 or 4, wherein: the side of the leaching cavity (2011) is provided with 2-6 circulating devices.
6. The tower countercurrent leaching apparatus for instant tea according to claim 5, wherein: circulating device is including setting up in circulation liquid export (16) of leaching cavity (2011) side bottom, and each circulation liquid export (16) is connected with circulating line (17) respectively, the top of circulating line (17) is connected in circulation liquid return water mouth (18), and each circulation liquid return water mouth (18) set up in the top of leaching cavity (2011) side, and is equipped with circulation valve (27) on each circulating line (17) respectively.
7. The tower countercurrent leaching apparatus for instant tea according to claim 1, wherein: a back washing pipeline (25) is connected to the liquid outlet pipe (23), and a fourth valve (26) is arranged on the back washing pipeline (25).
8. The tower countercurrent leaching apparatus for instant tea according to claim 7, wherein: a bent pipeline (30) is arranged between the backwashing pipeline (25) and the liquid outlet pipe (23), and the bent pipeline (30) is inclined upwards.
9. The tower countercurrent leaching apparatus for instant tea according to claim 1, wherein: telescopic shaft (8) comprise stiff end (801) and flexible end (802), stiff end (801) are fixed in cavity (2012), flexible end (802) are located leaching cavity (2011), just stiff end (801) are hollow structure for hold flexible end (802).
10. The tower countercurrent leaching apparatus for instant tea according to claim 1 or 9, wherein: the spiral stirring blade (10) is made of elastic plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122465644.6U CN216457024U (en) | 2021-10-13 | 2021-10-13 | Tower type countercurrent leaching device for instant tea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122465644.6U CN216457024U (en) | 2021-10-13 | 2021-10-13 | Tower type countercurrent leaching device for instant tea |
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| Publication Number | Publication Date |
|---|---|
| CN216457024U true CN216457024U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122465644.6U Active CN216457024U (en) | 2021-10-13 | 2021-10-13 | Tower type countercurrent leaching device for instant tea |
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| Country | Link |
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| CN (1) | CN216457024U (en) |
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2021
- 2021-10-13 CN CN202122465644.6U patent/CN216457024U/en active Active
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