Tea low-temperature extraction equipment

By employing an inclined filter plate and a detachable conveyor box structure in the tea extraction equipment, the problem of tea residue clogging is solved, achieving efficient tea residue filtration and cleaning, and facilitating operation.

CN223696839UActive Publication Date: 2025-12-23HANGZHOU ZHEJIANG UNIV BAICHUAN BIO-FOOD TECH CO LTD
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Patent Information

Application Number
CN202520000738.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-02
Publication Date
2025-12-23
Estimated Expiration
2035-01-02

AI Technical Summary

Technical Problem

In existing tea extraction equipment, tea leaves tend to adhere to the surface of the filter screen, resulting in reduced filtration efficiency and requiring frequent cleaning, which affects production efficiency and extraction results.

Method used

The filter plate and conveyor box structure are set at an angle, and the tea leaves accumulate on the bottom plate under the action of gravity to avoid clogging. The top cover and conveyor box are removable, which makes cleaning easy.

Benefits of technology

It improves the low-temperature extraction effect of tea residue, reduces the cleaning frequency, and increases production and filtration efficiency.

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Abstract

The utility model discloses low-temperature extraction equipment for tea leaves, and belongs to the field of tea leaf extraction. Comprising a low-temperature extraction box and a filter plate obliquely arranged in the low-temperature extraction box, a top cover is fixedly embedded in the top end of the low-temperature extraction box, a mounting plate is fixed to the top cover, a conveying box attached to the top of the filter plate is fixed to the side wall of the mounting plate, a connecting plate is fixed to the top end of the filter plate, a bottom plate is fixed to the bottom end of the filter plate, and a conveying pipe is mounted on the conveying box; the tea water which continuously flows in washes the tea residues adsorbed on the filter plate, so that the tea residues are accumulated on the bottom plate under the influence of gravity, the filter element blockage caused by the accumulation of the tea residues on the surface of the filter plate is avoided, and the low-temperature extraction effect on the tea residues is improved. The tea low-temperature extraction equipment has the beneficial effect that the tea low-temperature extraction equipment is good in extraction effect.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of tea extraction, in particular, to a tea low-temperature extraction device. BACKGROUND

[0002] When extracting tea polyphenols and other antioxidants in white tea, the tea polyphenols and other antioxidants in the crushed tea are usually extracted by an extraction liquid, and then the crushed tea in the extraction liquid is filtered out. In the existing equipment for filtering out the crushed tea in the extraction liquid, the tea is often attached to the surface of the filter screen under the flow of the extraction liquid, thereby greatly reducing the filtering efficiency of the filter screen. The filter screen needs to be cleaned regularly, increasing the labor intensity and reducing the production efficiency.

[0003] The patent with application number 202022407775.4 discloses a low-temperature extraction device for white tea, which comprises an extraction cylinder, a filter cylinder arranged inside the extraction cylinder for filtering tea, a cover plate fixed to the upper end of the extraction cylinder, a pump cylinder penetrating through the center of the cover plate and fixed thereto, the lower end of the pump cylinder being fixedly connected with the upper end of the filter cylinder, the lower end of the filter cylinder being fixedly connected to the inner bottom surface of the extraction cylinder, a piston plate being slidably connected inside the pump cylinder and having a through hole formed therein, an output liquid pipe for outputting extraction liquid being fixedly connected to the side wall of the end of the pump cylinder outside the extraction cylinder, and a liquid inlet pipe for inputting extraction liquid into the extraction cylinder being fixed to the cover plate.

[0004] The above technical solution applies pressure to the extraction liquid and the filter plate by the pump cylinder and the piston plate, so as to squeeze the liquid out of the filter plate quickly. However, after the tea residues adsorbed on the side wall of the filter plate are squeezed by the piston plate, the tea residues may penetrate through the filter plate, thereby reducing the extraction effect of the tea. UTILITY MODEL CONTENTS

[0005] The content part of the present application is used to introduce the concept in a simple form, which will be described in detail in the specific embodiment part. The content part of the present application is not intended to identify the key features or essential features of the claimed technical solution, nor is it intended to limit the scope of the claimed technical solution.

[0006] In order to solve the technical problems mentioned in the background part, some embodiments of the present application provide a tea low-temperature extraction device, which comprises a low-temperature extraction box and a filter plate obliquely arranged in the low-temperature extraction box; a top cover is fixedly embedded in the top end of the low-temperature extraction box, an installation plate is fixed to the top cover, a conveying box is fixed to the side wall of the installation plate and abuts against the top of the filter plate, a connecting plate is fixed to the top end of the filter plate, a bottom plate is fixed to the bottom end of the filter plate, and a conveying pipe is mounted on the conveying box.

[0007] By setting the filter plate in the low-temperature extraction box is inclined, and the low-temperature extraction box is fixed with the conveying box above the filter plate, the conveying box is conveyed to the low-temperature extraction box through the conveying pipe after the tea leaf is soaked, the filter core of the filter plate filters the tea leaf and makes it flow to the bottom of the low-temperature extraction box, the tea residue is left on the surface of the filter core and the bottom plate, the tea residue adsorbed on the filter plate is washed by the continuously flowing tea water, so that the tea residue is accumulated on the bottom plate under the influence of gravity, thereby avoiding the filter core blockage caused by the accumulation of tea residue on the surface of the filter plate, and the low-temperature extraction effect of the tea residue is improved; the top cover is embedded in the top end of the low-temperature extraction box, the clamping parts at both ends of the fastening frame are inserted into the clamping grooves to keep fixed, the clamping parts are moved out of the clamping grooves after the elastic deformation of the fastening frame is pulled, thereby the top cover and the conveying box are disassembled, and after disassembly, the filter plate and the bottom plate are taken out through the protruding part at the top end of the connecting plate, so that the accumulated tea residue on the bottom plate is cleaned.

[0008] Further, the side wall bottom end of the low-temperature extraction box is fixedly installed with a water outlet pipe, and the water outlet pipe is installed with a control valve.

[0009] Further, the outer wall of the low-temperature extraction box is provided with a clamping groove, and the top end surface of the top cover is fixed with a fastening frame on the low-temperature extraction box.

[0010] Further, the fastening frame is fixed with a clamping part at both ends, and the clamping part is inserted into the clamping groove.

[0011] Further, the side wall top end of the mounting plate is provided with a connecting groove, and the conveying box is fixed with a connecting block in the T-shaped structure inserted into the connecting groove.

[0012] Further, the side wall of the connecting block is provided with a screw hole, and the mounting plate is embedded with a knob bolt inserted into the screw hole.

[0013] Further, the top end of the connecting plate is fixed with a protruding part, and the filter plate is embedded with a filter core.

[0014] Further, the inner wall of the low-temperature extraction box is fixed with a supporting part for supporting the top cover and the bottom plate, and the top end of the bottom plate is fixedly installed with a baffle.

[0015] The beneficial effect of the present application is that: by tilting the filter plate in the low-temperature extraction box, and fixing the conveying box above the filter plate on the low-temperature extraction box, the conveying box conveys the soaked tea leaves into the low-temperature extraction box through the conveying pipe, and the filter core of the filter plate filters the tea leaves and makes them flow to the bottom of the low-temperature extraction box, the tea residues are left on the surface of the filter core and the bottom plate, the continuously flowing tea water flushes the tea residues adsorbed on the filter plate, so that the tea residues are accumulated on the bottom plate under the influence of gravity, thereby avoiding the blockage of the filter core caused by the accumulation of tea residues on the surface of the filter plate, and improving the low-temperature extraction effect of the tea residues;

[0016] By embedding the top cover at the top end of the low-temperature extraction box, the clamping parts at both ends of the fastening frame are inserted into the clamping grooves to be fixed, and after the elastic deformation of the fastening frame, the clamping parts are removed from the clamping grooves, so that the top cover and the conveying box are disassembled, and after disassembly, the filter plate and the bottom plate are taken out through the protrusions at the top end of the connecting plate, which facilitates the cleaning of the tea residues accumulated on the bottom plate. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which form a part of this application, are intended to provide further understanding of the application and are incorporated herein for a purpose of explanation and are not intended as an undue limitation on the application. The

[0018] In addition, throughout the drawings, same or similar reference numerals designate same or similar elements. It should be understood that the drawings are schematic, and the elements and elements are not necessarily drawn according to the scale.

[0019] In the drawings:

[0020] Fig. 1 is a whole schematic diagram according to the embodiment of the present application;

[0021] Fig. 2 is a conveying box structure schematic diagram according to the present application;

[0022] Fig. 3 is a fastening frame structure schematic diagram according to the present application;

[0023] Fig. 4 is a low-temperature extraction box cross-section structure schematic diagram according to the present application.

[0024] Reference numerals:

[0025] 1, low-temperature extraction box; 2, mounting plate; 3, clamping groove; 4, top cover; 5, fastening frame; 6, conveying box; 7, conveying pipe; 8, connecting plate; 9, protrusion; 10, water outlet pipe; 11, connecting block; 12, screw hole; 13, knob bolt; 14, connecting groove; 15, clamping part; 16, filter plate; 17, support part; 18, baffle; 19, bottom plate; 20, filter core. DETAILED DESCRIPTION

[0026] Embodiments of the present disclosure will be described in more detail with reference to the drawings. Although some embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure can be more thoroughly and completely understood. It should be understood that the drawings of the present disclosure are only for illustrative purposes and are not intended to limit the scope of protection of the present disclosure.

[0027] It should also be noted that only parts related to the present application are shown in the drawings for ease of description. The embodiments in the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0028] It should be noted that the terms "first", "second", etc. mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not intended to limit the order or interdependence of the functions performed by these devices, modules or units.

[0029] It should be noted that the adjectives "one", "multiple" mentioned in the present disclosure are illustrative and not restrictive, and those skilled in the art should understand that unless otherwise explicitly stated in the context, it should be understood as "one or more".

[0030] The present disclosure will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0031] Reference Figs. 1 to 4 A tea low-temperature extraction device, comprising a low-temperature extraction box 1 and a filter plate 16 obliquely arranged in the low-temperature extraction box 1; a top cover 4 is inlaid and fixed at the top end of the low-temperature extraction box 1, an installation plate 2 is fixed on the top cover 4, a conveying box 6 is fixed on the side wall of the installation plate 2 and is in contact with the top of the filter plate 16, a connecting plate 8 is fixed at the top end of the filter plate 16, a bottom plate 19 is fixed at the bottom end of the filter plate 16, and a conveying pipe 7 is installed on the conveying box 6.

[0032] The side wall bottom end of the low-temperature extraction box 1 is fixedly provided with a water outlet pipe 10, a control valve is installed on the water outlet pipe 10, the tea water is discharged after the control valve is unscrewed, the outer wall of the low-temperature extraction box 1 is provided with a clamping groove 3, the top end surface of the top cover 4 is fixedly provided with a fastening frame 5 sleeved on the low-temperature extraction box 1, the both ends of the fastening frame 5 are fixedly provided with clamping portions 15 which are inserted in the clamping groove 3, the conveying box 6 conveys the soaked tea leaves to the low-temperature extraction box 1 through the conveying pipe 7, the filter core 20 of the filter plate 16 filters the tea leaves and makes them flow to the bottom of the low-temperature extraction box 1, the tea residues are left on the surface of the filter core 20 and the bottom plate 19, the tea residues adsorbed on the filter plate 16 are washed by the continuously flowing tea water, the tea residues are accumulated on the bottom plate 19 under the influence of gravity, thereby avoiding the filter core 20 blockage caused by the tea residues accumulated on the surface of the filter plate 16, and the low-temperature extraction effect of the tea residues is improved.

[0033] The side wall top end of the mounting plate 2 is provided with a connecting groove 14, the conveying box 6 is fixedly provided with a connecting block 11 in T-shaped structure which is inserted in the connecting groove 14, the side wall of the connecting block 11 is provided with a screw hole 12, the mounting plate 2 is inlaidly provided with a knob screw 13 which is screwed in the screw hole 12, the conveying box 6 is kept fixed after the knob screw 13 is tightened, the conveying box 6 can be disassembled after the knob screw 13 is unscrewed, the top end of the connecting plate 8 is fixedly provided with a protruding portion 9, the filter core 20 is inlaidly fixed on the filter plate 16, the inner wall of the low-temperature extraction box 1 is fixedly provided with a supporting portion 17 for supporting the top cover 4 and the bottom plate 19, the top end of the bottom plate 19 is fixedly provided with a baffle 18, the baffle 18 stores the tea residues, and the leakage of the tea residues during the disassembly of the bottom plate 19 is reduced.

[0034] Working principle: in use, the conveying box 6 conveys the soaked tea leaves to the low-temperature extraction box 1 through the conveying pipe 7, the filter core 20 of the filter plate 16 filters the tea leaves and makes them flow to the bottom of the low-temperature extraction box 1, the tea residues are left on the surface of the filter core 20 and the bottom plate 19, the tea residues adsorbed on the filter plate 16 are washed by the continuously flowing tea water, the tea residues are accumulated on the bottom plate 19 under the influence of gravity, thereby avoiding the filter core 20 blockage caused by the tea residues accumulated on the surface of the filter plate 16, the clamping portions 15 at both ends of the fastening frame 5 are inserted in the clamping groove 3 and kept fixed, the clamping portions 15 are moved out of the clamping groove 3 after the fastening frame 5 is elastically deformed by pulling, thereby the top cover 4 and the conveying box 6 are disassembled, and the filter plate 16 and the bottom plate 19 are taken out through the protruding portion 9 at the top end of the connecting plate 8 after disassembly, so that the tea residues accumulated on the bottom plate 19 are cleaned.

[0035] The above description is merely exemplary of some of the many possible embodiments of the present disclosure and of the principles thereof. It is to be understood that those skilled in the art will be able to devise various embodiments of the present disclosure without departing from the scope of the present disclosure as disclosed in the above description and attached claims, and that the scope of the present disclosure is not limited to the specific technical features described above. For example, the technical features described above can be replaced with other technical features with similar functions disclosed in the embodiments of the present disclosure (but not limited to) to form other technical solutions.

Claims

1. A low temperature tea leaf extraction apparatus comprising: The low-temperature extraction box (1) and the filter plate (16) obliquely arranged in the low-temperature extraction box (1); The top end of the low-temperature extraction box (1) is embedded with a top cover (4), the top cover (4) is fixed with a mounting plate (2), the side wall of the mounting plate (2) is fixed with a conveying box (6) matched with the top of the filter plate (16), the top end of the filter plate (16) is fixed with a connecting plate (8), and the bottom end of the filter plate (16) is fixed with a bottom plate (19), and the conveying box (6) is mounted with a conveying pipe (7).

2. The apparatus for low temperature extraction of tea leaves according to claim 1, wherein: The side wall bottom end of the low-temperature extraction box (1) is fixedly installed with a water outlet pipe (10), and the water outlet pipe (10) is installed with a control valve.

3. The apparatus for low temperature extraction of tea leaves as claimed in claim 1, wherein: The outer wall of the low-temperature extraction box (1) is provided with a clamping groove (3), and the top end surface of the top cover (4) is fixed with a fastening frame (5) sleeved on the low-temperature extraction box (1) on both sides.

4. The apparatus for low temperature extraction of tea leaves according to claim 3, wherein: The both ends of the fastening frame (5) are fixed with clamping parts (15), and the clamping parts (15) are inserted into the clamping grooves (3).

5. The apparatus for low temperature extraction of tea leaves as claimed in claim 1, wherein: The side wall top end of the mounting plate (2) is provided with a connecting groove (14), and the conveying box (6) is fixed with a connecting block (11) of T-shaped structure inserted into the connecting groove (14).

6. The apparatus for low temperature extraction of tea leaves according to claim 5, wherein: The side wall of the connecting block (11) is provided with a screw hole (12), and the mounting plate (2) is embedded with a knob screw (13) screwed into the screw hole (12).

7. The apparatus for low temperature extraction of tea leaves as claimed in claim 1, wherein: The top end of the connecting plate (8) is fixed with a protruding part (9), and the filter plate (16) is embedded with a filter core (20).

8. The apparatus for low temperature extraction of tea leaves as claimed in claim 1, wherein: The inner wall of the low-temperature extraction box (1) is fixed with a supporting part (17) for supporting the top cover (4) and the bottom plate (19), and the top end of the bottom plate (19) is fixedly installed with a baffle (18).

Citation Information

Patent Citations

  • Low-temperature extraction equipment for white tea

    CN213699016U