Tower type countercurrent extraction device for processing instant tea

Abstract

The utility model provides an instant tea processing tower type countercurrent extraction device, which comprises an extraction tank and a stirrer positioned in the extraction tank, the stirrer comprises a rotating shaft rotationally connected with the top of the extraction tank, the bottom of the rotating shaft is fixedly connected with an upper hanging ring, the bottom of the upper hanging ring is connected with a lower hanging ring positioned below the upper hanging ring through a telescopic rod, and the lower hanging ring is fixedly connected with the top of the extraction tank. The upper hanging ring and the lower hanging ring are hinged through a V-shaped hinge frame. According to the utility model, the rotating shaft, the upper hanging ring, the lower hanging ring, the telescopic rod and the V-shaped hinging frame are arranged, so that the rotating shaft can drive the V-shaped hinging frame to revolve around the rotating shaft when rotating, a row of flow guide pipes which are obliquely distributed are arranged on the two inclined rods on the V-shaped hinging frame, and the flow guide pipes can upwards guide stock solution in the extraction tank when the V-shaped hinging frame revolves; through the arrangement, the tea leaf stock solution is dispersed more rapidly, the whole stirring device has a telescopic function by arranging the groove-shaped frame for lifting the lower lifting ring and the control air cylinder, and lifting of the bottom plate in the extraction tank is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to countercurrent extraction equipment technical field, specifically for a kind of instant tea processing tower type countercurrent extraction device. BACKGROUND

[0002] In countercurrent extraction process, material and solvent move continuously, but the direction is opposite. Continuous quantitative feeding makes material and solvent contact fully, and solvent in equipment is renewed constantly, so that extraction efficiency is greatly improved. Therefore, in recent years, countercurrent extraction is very popular, and experts and scholars have carried out a lot of discussion and research.

[0003] The utility model with publication number CN216457024U proposes tower type countercurrent extraction device of instant tea, including raw material tank, tower type countercurrent extraction tank and raw material recovery tank connected in turn, and tower type countercurrent extraction tank includes extraction tank body, extraction inner tank and fixed support; ultrasonic generator is arranged in the extraction cavity of extraction tank body, and extension motor connected with fixed block is arranged below the extraction cavity; liquid inlet and coupling are arranged on the upper cavity of extraction tank body, and extension shaft is connected with rotary motor on coupling, and vibrator is arranged outside extension shaft, and gravity piece is arranged at the end of extension shaft; extraction inner tank is composed of side plate and bottom plate arranged on fixed block, and bottom plate is slidingly connected with side plate, and bottom plate is filter screen, and extraction inner tank is provided with feed inlet on one side, and discharge outlet is arranged above the opposite side.

[0004] However, the prior art has the following disadvantages when in use: a telescopic shaft is arranged, and a spiral stirring blade is arranged on the telescopic shaft. When the spiral stirring blade is implemented, the spiral stirring blade is made of elastic plastic material. When discharging is needed, the bottom plate is lifted to drive the telescopic shaft to contract to accelerate discharging. When stirring is needed, the telescopic shaft is extended by gravity to drive the spiral stirring blade to expand, and then the telescopic shaft rotates to accelerate stirring and disperse tea raw materials. However, the stirring intensity of the stirring blade with elastic deformation function is poor, which leads to poor dispersion effect of tea. That is, the stirring blade is easily deformed elastically during stirring, which makes it difficult to effectively drive tea raw materials to flow quickly.

[0005] Therefore, the utility model provides a kind of instant tea processing tower type countercurrent extraction device. UTILITY MODEL CONTENT

[0006] In view of the deficiencies of the prior art, the utility model aims to provide a kind of instant tea processing tower type countercurrent extraction device to solve the problems in the background art. The utility model can improve stirring intensity while meeting the telescopic function of the stirrer, and further has the function of accelerating the rapid dispersion of tea raw materials, thereby improving the efficiency of countercurrent extraction.

[0007] In order to achieve the above object, the utility model is through the following technical scheme to realize: a kind of instant tea processing tower type countercurrent extraction device, including extraction tank and the stirrer located in extraction tank, the stirrer includes and the rotation connection of extraction tank top shaft, the bottom of this shaft is fixedly connected with upper lifting ring, the bottom of the upper lifting ring is connected with the lower lifting ring located below it by telescopic link, the upper lifting ring and the lower lifting ring are hinged by V-shaped articulated frame, two inclined poles on the V-shaped articulated frame are fixedly connected with a row of guide pipes inclinedly distributed relative to horizontal plane, lifting frame for driving the lower lifting ring up and down is provided on the extraction tank.

[0008] Further, the lifting frame includes groove type frame and control cylinder, the beam on the groove type frame is located below the lower lifting ring in the extraction tank, the top of the groove type frame is fixedly connected with positioning sleeve sleeved on the outside of the shaft, the positioning sleeve and the shaft are slidingly fitted and are rotationally and slidingly fitted with the extraction tank, the control cylinder is fixedly arranged on the outer circumferential wall of the extraction tank, the outside of the positioning sleeve is sleeved with a link plate, the link plate is rotationally connected with the positioning sleeve and one end thereof is fixedly connected with the output shaft of the control cylinder.

[0009] Further, the top of the extraction tank is fixedly connected with control motor, the output shaft of the control motor is fixedly connected with driving gear, the shaft is fixedly sleeved with driven gear located above the link plate and engaged with the driving gear.

[0010] Further, the number of the V-shaped articulated frame is at least three and is uniformly distributed in the circumferential direction of the shaft, the two inclined poles on the V-shaped articulated frame are circular shaft structures, the outer circumferential wall of the guide pipe is welded with connecting pipe sleeved on the inclined pole and rotationally fitted, the connecting pipe is provided with locking member.

[0011] Further, the locking member is bolt, the outer circumferential wall of the connecting pipe is provided with screw hole screw-connected with the locking member, one end of the locking member is used in cooperation with the outer circumferential wall of the inclined pole.

[0012] Further, the top of the extraction tank is provided with manhole part.

[0013] Further, the other end of the locking member is welded with handle.

[0014] The utility model has the advantages of the following:

[0015] 1. In this utility model, by setting a rotating shaft, an upper lifting ring, a lower lifting ring, a telescopic rod, and a V-shaped hinge frame, the rotating shaft can drive the V-shaped hinge frame to revolve around the rotating shaft when it rotates. Then, a row of inclined guide pipes is set on the two inclined rods on the V-shaped hinge frame. When the V-shaped hinge frame revolves, the guide pipes will guide the original liquid in the extraction tank upward. This setting makes the dispersion of tea original liquid more rapid. A groove-shaped frame for lifting the lower lifting ring and a control cylinder are set so that the entire stirring device has a telescopic function and does not affect the lifting of the bottom plate inside the extraction tank.

[0016] 2. In this utility model, the guide tube and the inclined rod are rotatably connected and a locking component is provided at the rotatable connection. The angle of inclination of the guide tube can be adjusted by the locking component, thereby adjusting the intensity of the tea extract dispersion and flow, so that the tea extract in the extraction cylinder can be evenly stirred. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a tower-type countercurrent extraction device for instant tea processing according to this utility model;

[0018] Figure 2 for Figure 1 A schematic diagram after the extraction tank has been removed;

[0019] Figure 3 for Figure 2 Front view of the connection between the central guide tube and the diagonal rod.

[0020] In the diagram: 1. Extraction tank; 2. Agitator; 21. Rotating shaft; 211. Driven gear; 22. Upper lifting ring; 23. Telescopic rod; 24. Lower lifting ring; 25. V-shaped hinge frame; 251. Diagonal rod; 26. Guide pipe; 261. Connecting pipe; 3. Lifting frame; 31. Channel frame; 311. Crossbeam; 312. Positioning sleeve; 3121. Connecting plate; 33. Control cylinder; 4. Control motor; 41. Drive gear; 6. Locking element; 61. Handle; 7. Manhole. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] Please see Figures 1 to 3 This utility model provides a technical solution: a tower-type countercurrent extraction device for instant tea processing, including an extraction tank 1 and a stirrer 2 located inside the extraction tank 1. This technical solution is a technical improvement on the stirring structure in the prior art. The relevant structures proposed in this application all adopt the structures in the patent documents mentioned in the background art. That is to say, the stirrer 2 and related structures of this application replace the telescopic shaft and spiral stirring blades in the prior art to improve the efficiency of stirring the tea raw liquid.

[0023] In the technical solution, the stirrer 2 comprises a rotating shaft 21 connected with the top of the leaching tank 1, the bottom of the rotating shaft 21 is fixedly connected with an upper hanging ring 22, in specific implementation, a positioning plate fixedly connected with the rotating shaft 21 can be welded in the upper hanging ring 22, the upper hanging ring 22 and the rotating shaft 21 are coaxial, the bottom of the upper hanging ring 22 is connected with a lower hanging ring 24 below through an extension rod 23, the extension rod 23 is a multi-section extension structure, which plays a guiding role, and when the rotating shaft 21 rotates, it can drive the upper hanging ring 22 and the lower hanging ring 24 to rotate synchronously.

[0024] Further, the upper hanging ring 22 and the lower hanging ring 24 are hingedly connected through a V-shaped hinged frame 25, the tip of the V-shaped hinged frame 25 faces the direction of the center line of the rotating shaft 21, when the spacing between the upper hanging ring 22 and the lower hanging ring 24 is at the maximum state, the included angle in the V-shaped hinged frame 25 is at the maximum state, and vice versa, the two inclined rods 251 on the V-shaped hinged frame 25 are fixedly connected with a row of inclined flow guide pipes 26 distributed relative to the horizontal plane, the inclination here is relative to the horizontal plane, and the flow guide pipe 26 and the inclined rod 251 are perpendicular, when the V-shaped hinged frame 25 revolves, the flow guide pipe 26 will guide the tea leaf stock solution below upward through the inclined channel therein, and the flow guide pipe 26 on the V-shaped hinged frame 25 makes all the tea leaf stock solution in a rapid upward flow state, thereby accelerating the dispersion of the tea leaf stock solution.

[0025] The leaching tank 1 is provided with a lifting frame 3 for driving the lower hanging ring 24 to move up and down, the lifting frame 3 is used to control the folding of the stirrer 2, that is, when the lifting frame 3 rises, it will push the stirrer 2 to fold, and vice versa, the stirrer 2 will stretch downward by its own weight.

[0026] Specifically, the lifting frame 3 comprises a groove-shaped frame 31 and a control cylinder 33, the cross beam 311 on the groove-shaped frame 31 is located below the lower hanging ring 24 in the leaching tank 1, the top of the groove-shaped frame 31 is fixedly connected with a positioning sleeve 312 sleeved outside the rotating shaft 21, in specific implementation, a cantilever beam is welded at the free end of the groove-shaped frame 31, the middle of the cantilever beam is fixedly connected with the positioning sleeve 312, the positioning sleeve 312 and the rotating shaft 21 are in sliding fit, and the leaching tank 1 is in rotating and sliding fit, in specific implementation, a rotating sleeve sleeved outside the positioning sleeve 312 can be arranged at the top of the leaching tank 1, the control cylinder 33 is fixedly arranged on the outer circumferential wall of the leaching tank 1, the outside of the positioning sleeve 312 is sleeved with a connecting plate 3121, the connecting plate 3121 and the positioning sleeve 312 are in rotating connection, one end of the connecting plate 3121 is fixedly connected with the output shaft of the control cylinder 33, in implementation, the number of the control cylinder 33 is two and is distributed on both sides of the leaching tank 1, when the control cylinder 33 acts, it can drive the positioning sleeve 312 to rise and fall through the connecting plate 3121, thereby driving the cross beam 311 to rise and fall, and when the cross beam 311 rises, it can drive the lower hanging ring 24 to rise.

[0027] Further, the top of the leaching tank 1 is fixedly connected with a control motor 4, the output shaft of the control motor 4 is fixedly connected with a driving gear 41, the rotating shaft 21 is fixedly sleeved with a driven gear 211 located above the connecting plate 3121 and engaged with the driving gear 41, the control motor 4 drives the rotating shaft 21 to rotate through the engagement of the driving gear 41 and the driven gear 211, and in specific implementation, a door-shaped frame can be welded on the top of the leaching tank 1, the door-shaped frame is rotatably connected with the rotating shaft 21, and the control motor 4 is fixedly arranged at the top in the door-shaped frame.

[0028] In the embodiment, the number of the V-shaped articulated frames 25 is at least three and they are uniformly distributed in the circumferential direction of the rotating shaft 21, the two inclined rods 251 on the V-shaped articulated frame 25 are circular shaft structures, the outer peripheral wall of the flow guide pipe 26 is welded with a connecting pipe 261 which is sleeved on the inclined rod 251 and rotatably connected, the connecting pipe 261 is provided with a locking piece 6, and the flow state of the tea liquid in the leaching tank 1 is inconsistent when the rotating shaft 21 rotates (the flow amplitude of the liquid near the middle part is smaller, and the flow amplitude of the liquid near the inner wall is larger), at this time, the rolling degree of the liquid near the middle part in the leaching tank 1 can be improved by adjusting the inclination angle of the part of the flow guide pipes 26 on the inclined rod 251.

[0029] Further, the locking piece 6 is a bolt, the outer peripheral wall of the connecting pipe 261 is provided with a threaded hole which is screw-connected with the locking piece 6, one end of the locking piece 6 is used in cooperation with the outer peripheral wall of the inclined rod 251, and when the locking piece 6 is screwed, the one end will abut against the inclined rod 251, at this time, the connecting pipe 261 is fixed by using the friction force, and the flow guide pipe 26 can be further fixed, wherein the other end of the locking piece 6 is welded with a handle 61, the handle 61 is a handheld part, and when the handle 61 is held and rotated, the locking piece 6 can be screwed or unscrewed.

[0030] In the embodiment, the top of the leaching tank 1 is provided with a manhole part 7, the manhole part 7 adopts a common manhole structure for operators to enter and exit the leaching tank 1, and the operators can conveniently enter the leaching tank 1 to screw the locking piece 6.

[0031] Working principle: when the tea liquid in the leaching tank 1 needs to be stirred, the control motor 4 is started, the rotating shaft 21 is rotated through the engagement of the driving gear 41 and the driven gear 211, at this time, the whole stirrer 2 is in a rotating state, the included angle between the V-shaped articulated frames 25 is in a maximum state, the flow guide pipes 26 will impact the liquid and drain the liquid below to the upper side, and then the control cylinder 33 is started to make it cyclically lift and lower, at this time, the included angle in the V-shaped articulated frame 25 cyclically changes, when the included angle in the V-shaped articulated frame 25 is small, the flow guide pipe 26 near the tip thereof will be close to the middle part of the leaching tank 1, so that the liquid near the middle part in the leaching tank 1 is accelerated to disperse, and thus the stirring efficiency of the tea liquid which needs to be leached is greatly improved.

[0032] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A tower type countercurrent extraction apparatus for instant tea processing comprising an extraction tank (1) and a stirrer (2) located in the extraction tank (1), characterized in that, The stirrer (2) comprises a rotating shaft (21) connected with the top of the leaching tank (1), the bottom of the rotating shaft (21) is fixedly connected with an upper lifting ring (22), the bottom of the upper lifting ring (22) is connected with a lower lifting ring (24) below through a telescopic rod (23), the upper lifting ring (22) and the lower lifting ring (24) are hingedly connected through a V-shaped hinged frame (25), two inclined rods (251) on the V-shaped hinged frame (25) are fixedly connected with a row of flow guide pipes (26) inclinedly distributed relative to the horizontal plane, and the leaching tank (1) is provided with a lifting frame (3) for driving the lower lifting ring (24) to move up and down.

2. A tower counter-current extraction apparatus for processing instant tea according to claim 1, characterized in that: The lifting frame (3) comprises a groove-shaped frame (31) and a control cylinder (33), the cross beam (311) on the groove-shaped frame (31) is located below the lower lifting ring (24) in the leaching tank (1), the top of the groove-shaped frame (31) is fixedly connected with a positioning sleeve (312) sleeved on the outside of the rotating shaft (21), the positioning sleeve (312) and the rotating shaft (21) are in sliding fit and are in rotating and sliding fit with the leaching tank (1), the control cylinder (33) is fixedly arranged on the outer circumferential wall of the leaching tank (1), the outside of the positioning sleeve (312) is sleeved with a connecting plate (3121), the connecting plate (3121) is rotatably connected with the positioning sleeve (312) and one end thereof is fixedly connected with the output shaft of the control cylinder (33).

3. A tower counter-current extraction apparatus for processing instant tea according to claim 2, characterized in that: The top of the leaching tank (1) is fixedly connected with a control motor (4), the output shaft of the control motor (4) is fixedly connected with a driving gear (41), and the rotating shaft (21) is fixedly sleeved with a driven gear (211) located above the connecting plate (3121) and engaged with the driving gear (41).

4. A tower counter-current extraction apparatus for processing instant tea according to claim 1, characterized in that: The number of the V-shaped hinged frames (25) is at least three and they are uniformly distributed in the circumferential direction of the rotating shaft (21), the two inclined rods (251) on the V-shaped hinged frame (25) are circular shaft structures, and the outer circumferential wall of the flow guide pipe (26) is welded with a connecting pipe (261) sleeved on the inclined rod (251) and in rotating fit, and the connecting pipe (261) is provided with a locking piece (6).

5. A tower counter-current extraction apparatus for processing instant tea according to claim 4, characterised in that: The locking piece (6) is a bolt, the outer circumferential wall of the connecting pipe (261) is provided with a threaded hole in screw connection with the locking piece (6), and one end of the locking piece (6) is used in cooperation with the outer circumferential wall of the inclined rod (251).

6. A tower counter-current extraction apparatus for processing instant tea according to claim 5, characterised in that: The top of the leaching tank (1) is provided with a manhole part (7).

7. A tower counter-current extraction apparatus for processing instant tea according to claim 5, characterized in that: The other end of the locking piece (6) is welded with a handle (61). The other end of the locking piece (6) is welded with a handle (61).

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