CN111657374A

CN111657374A - Strip-shaped black tea oxygen fermentation device

Info

Publication number: CN111657374A
Application number: CN202010687373.6A
Authority: CN
Inventors: 杨侠
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2020-09-15

Abstract

The invention relates to the technical field of agriculture, in particular to a strip-shaped black tea oxygen-introducing fermentation device which comprises an operation rack, wherein an oxygen-introducing box and a fermentation tank are respectively arranged on the operation rack, a chassis frame is arranged at the bottom of the operation rack, a bearing frame is arranged on the chassis frame, the fermentation tank is arranged on the bearing frame, a material turning rotating shaft is arranged in the fermentation tank, a material turning frame is arranged on the material turning rotating shaft, an air supply box, an oxygen supply box, an air conveying cavity and a medium middle rotating cylinder are respectively arranged in the oxygen-introducing box, an air inlet of the medium middle rotating cylinder is connected with the air conveying cavity through an air inlet guide pipe, and an air outlet of the medium middle rotating cylinder is connected with an air nozzle in the fermentation tank. This application improves the contact effect of air current and tealeaves material, is convenient for improve the absorption to oxygen when follow-up black tea leads to oxygen fermentation.

Description

Strip-shaped black tea oxygen fermentation device

Technical Field

The invention relates to the technical field of agriculture, in particular to a bar-shaped black tea oxygen fermentation device.

Background

The essence of tea fermentation is the enzymatic oxidation reaction of polyphenol substances in tea leaves, and the temperature, the humidity and the oxygen supply of the fermentation environment are mainly controlled in the actual production process, so that the enzymatic oxidation reaction of the polyphenol substances is favorably carried out, and components such as theaflavin, thearubigins and the like which are favorable for the quality of black tea and other aroma components are generated. A fermentation chamber is required to be built for traditional fermentation of agricultural black tea, the fermentation chamber is required to be well ventilated, and the fermentation temperature is adjusted by the traditional modes of boiling water in the fermentation chamber, boiling a bath heater and the like; adjusting the humidity by sprinkling water around the fermentation chamber; the tea pile is ventilated and radiated by intermittently turning and stirring the tea pile, the fermentation time is longer, the labor intensity is high, and the control difficulty is high.

Chinese patent (No. CN 204742469U) discloses a bar-shaped black tea oxygen-introducing fermentation device, which leads oxygen to uniformly pass through fermentation leaves under the action of an exhaust fan 6 and brings water vapor into the fermentation leaves to keep the humidity of the fermentation leaves; the volume of inputing oxygen in 5 to fermentation vessel is far greater than the required oxygen of fermentation leaf fermentation, but its actual operation has certain defect, and exhaust fan 6 must just play the effect of air convection in unobstructed environment, can't play this operation effect in fermenting case or fermentation vat, and this patent is synchronous also not have corresponding device of stirring for it is inconvenient with the heat dissipation to ventilate the tea heap, influences the quality of fermentation.

Disclosure of Invention

The invention aims to provide an oxygen-introducing fermentation device for strip-shaped black tea, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an oxygen-introducing fermentation device for bar-shaped black tea comprises an operation frame, wherein an oxygen-introducing box and a fermentation tank are respectively arranged on the operation frame, a chassis frame is arranged at the bottom of the operation frame, a bearing frame is arranged on the chassis frame, the fermentation tank is arranged on the bearing frame, a stirring rotating shaft is arranged in the fermentation tank, a stirring frame is arranged on the stirring rotating shaft, an air supply box, an oxygen supply box, an air conveying cavity and a medium middle rotating cylinder are respectively arranged in the oxygen-introducing box, air conveying pipes and oxygen conveying pipes are respectively arranged at the air conveying ends of the air supply box and the oxygen supply box, a booster pump is arranged at the conveying end of each air conveying pipe, the booster pump is connected with the air conveying cavity, the tail end of each oxygen conveying pipe is connected with a mixing cavity, the mixing cavity is positioned at the joint of the booster pump and the air conveying cavity, and an air inlet of the medium middle, the air outlet of the medium middle rotary drum is connected with an air nozzle in the fermentation tank through an air supply conduit, two side walls of the top of the medium middle rotary drum are provided with positioning bearings, the positioning bearings are provided with crank bending rods, the bending parts of the crank bending rods are provided with piston rods, and the rod ends of the piston rods are provided with piston sheets.

As a further scheme of the invention: and a gas transmission motor is arranged on the frame plate of the oxygen box and is a power input end of a crank bending rod.

As a further scheme of the invention: the material turning frame comprises supporting plates and a material turning rod, wherein the supporting plates are arranged on the upper side and the lower side, and the material turning rod is arranged between the supporting plates.

As a further scheme of the invention: the material turning device is characterized in that shaft penetrating holes are formed in the middle line positions of the supporting plates, an outer edge frame is installed on the outer side of each shaft penetrating hole, a transmission threaded sleeve is installed on the outer edge frame, the material turning rotating shaft penetrates through the shaft penetrating holes, and external threads on the shaft surface of the material turning rotating shaft are wedged with internal threads of the transmission threaded sleeve.

As a further scheme of the invention: the bottom of fermentation cylinder still sets up the driving frame, installs vertical pivot on the driving frame, vertical pivot is connected through the axle sleeve with the stirring pivot.

As a further scheme of the invention: the vertical rotating shaft is provided with an upper helical gear and a lower helical gear respectively, the transmission frame is further provided with an operation motor, the driving end of the operation motor is provided with an incomplete helical gear, and the incomplete helical gear is just in alternate engagement with the upper helical gear and the lower helical gear.

As a still further scheme of the invention: the tooth pattern perimeter of the incomplete helical gear is half of the perimeter of the outer disc edge.

Compared with the prior art, the invention has the beneficial effects that:

according to the method, air is matched with fermentation in a conventional process, and pure oxygen is introduced at the stage needing oxygen increasing, so that the oxygen-introducing fermentation operation flow of the black tea is met. During the oxygenation operation, the pressure boost effect that provides the air just in time strikes oxygen, improves the mixture of oxygen and air, and under the pressure boost condition, the volume after the gas mixture reduces to the oxygen molecule inserts more easily to the clearance of each molecule of air in, thereby is convenient for improve the absorption to oxygen when follow-up black tea leads to oxygen fermentation.

In the subsequent medium in the rotary drum, the crank bending rod is driven by the motor to move to extrude and convey gas, so that on one hand, the mixing degree of oxygen and air is improved for the second time, the oxygen density is improved, and the fermentation and oxygen dissolving effects are improved; on the other hand, an initial acceleration is given to the gas, so that the contact effect of the gas flow and the tea material is improved.

In order to provide the effect of stirring to tealeaves in the jar, this application drives the stirring frame horizontal direction and rotates and be reciprocal up-and-down motion in vertical direction for form spiral stirring motion trend about going up in the fermentation cylinder, and the mode of the defeated gas of above-mentioned extrusion, give gaseous initial acceleration, even under the operation environment of this kind of no air convection of fermentation cylinder, also can drive tealeaves and gaseous and carry out the mixture of rotation type, improve the contact effect of air current and tealeaves, thereby improve fermentation rate.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. Also, the drawings and the description are not intended to limit the scope of the present concepts in any way, but rather to illustrate the concepts of the present disclosure to those skilled in the art by reference to specific embodiments.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a front view cross-sectional structure of the present invention.

FIG. 3 is a schematic structural view of an oxygen box according to the present invention.

FIG. 4 is a schematic view of a fermenter according to the present invention.

In the figure: 1-operation frame, 11-chassis frame, 12-bearing frame, 2-fermentation tank, 21-material-turning rotating shaft, 22-material-turning frame, 23-supporting plate, 24-material-turning rod, 25-shaft hole, 26-outer edge frame, 27-driving screw sleeve, 31-operation motor, 32-incomplete helical gear, 33-vertical rotating shaft, 34-upper helical gear, 35-lower helical gear, 4-oxygen box, 41-air supply box, 42-oxygen supply box, 43-air conveying pipe, 44-oxygen conveying pipe, 45-booster pump, 46-material mixing cavity, 47-air conveying cavity, 48-air inlet guide pipe, 5-medium middle rotating cylinder, 51-air supply guide pipe, 52-air jet head, 53-crank bending rod, 54-piston rod, 55-piston sheet, 56-gas transmission motor and 57-positioning bearing.

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, examples of which are shown in the drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements, unless otherwise indicated.

It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.

The first embodiment is as follows:

referring to fig. 1 and 2, an oxygen-introducing fermentation device for bar-shaped black tea comprises an operation frame 1, wherein an oxygen-introducing tank 4 and a fermentation tank 2 are respectively arranged on the operation frame 1, a chassis frame 11 is arranged at the bottom of the operation frame 1, a bearing frame 12 is arranged on the chassis frame 11, the fermentation tank 2 is arranged on the bearing frame 12, a material turning rotating shaft 21 is arranged in the fermentation tank 2, and a material turning frame 22 is arranged on the material turning rotating shaft 21. Lead to oxygen case 4 and be used for the letting in of oxygen in this application, the black tea material of stirring frame 22 in to fermentation cylinder 2 stirs. Simultaneously, this application still is provided with relevant heating and dries, because this relevant heating technology, this application adopts conventional operation mode promptly, so no longer describe.

Referring to fig. 2 and 3, an air supply box 41, an oxygen supply box 42, a gas transmission cavity 47 and a medium middle drum 5 are respectively arranged in the oxygen supply box 4, an air transmission pipe 43 and an oxygen transmission pipe 44 are respectively installed at the gas transmission ends of the air supply box 41 and the oxygen supply box 42, a booster pump 45 is arranged at the transmission end of the air transmission pipe 43, the booster pump 45 is connected with the gas transmission cavity 47, the tail end of the oxygen transmission pipe 44 is connected to a mixing cavity 46, and the mixing cavity 46 is located at the connection position of the booster pump 45 and the gas transmission cavity 47. The air inlet of the medium middle rotary drum 5 is connected with the air transmission cavity 47 through an air inlet guide pipe 48, the air outlet of the medium middle rotary drum 5 is connected with an air nozzle 52 in the fermentation tank 2 through an air supply guide pipe 51, two side walls of the top of the medium middle rotary drum 5 are provided with positioning bearings 57, the positioning bearings 57 are provided with crank bending rods 53, the bending parts of the crank bending rods 53 are provided with piston rods 54, and the rod ends of the piston rods 5 are provided with piston sheets 55. And a gas transmission motor 56 is arranged on the frame plate of the oxygen box 4, and the gas transmission motor 56 is a power input end of the crank bending rod 53.

The oxygen supplying box is provided with an air supplying box 41 and an oxygen supplying box 42 which are respectively connected with an air supplying mechanism through an air conveying pipe 43 and an oxygen conveying pipe 44, and pure oxygen is introduced into the stage needing oxygen increasing through air matching fermentation in the conventional process, so that the oxygen supplying and fermenting operation flow of black tea is met. During oxygenation operation, the end setting of giving vent to anger of this application oxygen delivery pipe 44 is in the junction of booster pump 45 and gas transmission chamber 47, and its booster pump just in time assaults oxygen to the pressure boost effect that the air provided, improves the mixture of oxygen and air, and under the pressure boost condition, the volume after the gas mixture reduces to the oxygen molecule inserts more easily in the clearance to each molecule of air. Thereby being convenient for improving the oxygen absorption of the following black tea during oxygen fermentation.

In the subsequent medium middle rotary drum 5, the crank bending rod 53 is driven by the motor to move, the piston sheet 55 is pushed to move, so that the secondary effect of pushing air to be introduced into the fermentation tank 2 is formed, and the mixing degree of oxygen and air is secondarily improved, the oxygen density is improved, and the fermentation dissolved oxygen effect is improved in a manner of extruding and conveying air; on the other hand, an initial acceleration is given to the gas, so that the contact effect of the gas flow and the tea material is improved.

Example two:

referring to fig. 2 and 4, in this embodiment, as a further optimization of the embodiment, on the basis of the present invention, an external thread is disposed on a shaft surface of the material turning rotating shaft 21, the material turning frame 22 includes support plates 23 at upper and lower sides and a material turning rod 24 installed between the support plates 23, a shaft passing hole 25 is disposed at a central line position of each support plate 23, an outer edge frame 26 is installed at an outer side of the shaft passing hole 25, a transmission screw sleeve 27 is installed on the outer edge frame 26, and the material turning rotating shaft 21 passes through the shaft passing hole 25 and the external thread on the shaft surface is wedged with an internal thread of the transmission screw sleeve 27.

The bottom of fermentation cylinder 2 still sets up driving frame 13, installs vertical pivot 33 on the driving frame 13, vertical pivot 33 is connected through the axle sleeve with stirring pivot 21, install respectively on the vertical pivot 33 and put helical gear 34 and put helical gear 35 down, still install operation motor 31 on the driving frame 13, incomplete helical gear 32 is installed to the drive end of operation motor 31, the insection girth of incomplete helical gear 32 is the outer dish along half of girth, incomplete helical gear 32 just in time is the alternate meshing with putting helical gear 34 and putting helical gear 35 down.

In order to improve the turning effect of tea leaves in the pot, the shaft surface of the turning rotating shaft 21 is provided with external threads which are connected with the turning frame 22 in a threaded manner, and the bottom of the fermentation tank 2 is also provided with a transmission frame 13 which is alternatively meshed with the upper bevel gear 34 and the lower bevel gear 35 by the incomplete bevel gear in each period, so as to drive the stirring rotating shaft 21 to rotate and change the rotating direction in each period, thereby driving the material turning frame 22 to rotate horizontally and move up and down in a reciprocating manner in the vertical direction, forming a material turning movement trend in a vertical spiral manner in the fermentation tank 2, and giving an initial acceleration to the gas by matching with the extrusion gas transmission manner, even under the operating environment of this kind of no air convection of fermentation cylinder 2, also can drive tealeaves and gas and carry out the mixture of rotation type, improve the contact effect of air current and tealeaves to improve fermentation rate.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The oxygen-introducing fermentation device for the strip-shaped black tea comprises an operation rack (1), wherein an oxygen-introducing box (4) and a fermentation tank (2) are respectively arranged on the operation rack (1), a chassis frame (11) is arranged at the bottom of the operation rack (1), a bearing frame (12) is arranged on the chassis frame (11), the fermentation tank (2) is arranged on the bearing frame (12), a material turning rotating shaft (21) is arranged in the fermentation tank (2), a material turning frame (22) is arranged on the material turning rotating shaft (21), and the oxygen-introducing fermentation device is characterized in that an air supply box (41), an oxygen supply box (42), an air conveying cavity (47) and a medium middle rotating cylinder (5) are respectively arranged in the oxygen-introducing box (4), air conveying ends of the air supply box (41) and the oxygen supply box (42) are respectively provided with an air conveying pipe (43) and an oxygen conveying pipe (44), and a conveying end of the air conveying pipe (43) is provided, the utility model discloses a fermentation tank, including booster pump (45), oxygen conveyer pipe (44), mixing chamber (46), blast pipe (51), fermentation cylinder (2), locating bearing (57) are installed to the top both sides wall of rotary drum (5) in the medium, install crank bending rod (53) on locating bearing (57), piston rod (54) are installed to the bending position of crank bending rod (53), piston piece (55) are installed to the rod end of piston rod (5).

2. The oxygen fermentation device of the bar-shaped black tea in the claim 1, wherein the frame plate of the oxygen box (4) is provided with a gas transmission motor (56), and the gas transmission motor (56) is the power input end of the crank bending rod (53).

3. The oxygen fermentation device of the bar-shaped black tea as claimed in claim 1 or 2, wherein the axis surface of the stirring rotating shaft (21) is provided with external threads, and the stirring frame (22) comprises supporting plates (23) at the upper side and the lower side and a stirring rod (24) arranged between the supporting plates (23).

4. The oxygen-introducing fermentation device for the strip-shaped black tea according to claim 3, wherein the center line of each support plate (23) is provided with a through hole (25), the outer side of each through hole (25) is provided with an outer edge frame (26), each outer edge frame (26) is provided with a transmission threaded sleeve (27), the turning rotating shaft (21) penetrates through the through holes (25), and the external threads on the shaft surface of the turning rotating shaft are wedged with the internal threads of the transmission threaded sleeves (27).

5. The oxygen-introducing fermentation device of the bar-shaped black tea as claimed in claim 3, wherein the bottom of the fermentation tank (2) is further provided with a transmission frame (13), a vertical rotating shaft (33) is installed on the transmission frame (13), and the vertical rotating shaft (33) is connected with the stirring rotating shaft (21) through a shaft sleeve.

6. A strip-shaped black tea oxygen fermentation device according to claim 5, wherein the vertical rotating shaft (33) is provided with an upper bevel gear (34) and a lower bevel gear (35) respectively, the transmission frame (13) is also provided with an operation motor (31), the driving end of the operation motor (31) is provided with an incomplete bevel gear (32), and the incomplete bevel gear (32) is just meshed with the upper bevel gear (34) and the lower bevel gear (35) alternately.

7. A black tea bar oxygen fermentation device according to claim 6, wherein the incomplete bevel gear (32) has a tooth-like circumference half of the circumference of the outer disk.