CN113142335A - Broken black tea making process and equipment - Google Patents
Broken black tea making process and equipment Download PDFInfo
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- CN113142335A CN113142335A CN202110493279.1A CN202110493279A CN113142335A CN 113142335 A CN113142335 A CN 113142335A CN 202110493279 A CN202110493279 A CN 202110493279A CN 113142335 A CN113142335 A CN 113142335A
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- 244000269722 Thea sinensis Species 0.000 title claims abstract description 92
- 235000006468 Thea sinensis Nutrition 0.000 title claims abstract description 39
- 235000020279 black tea Nutrition 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000008569 process Effects 0.000 title claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 86
- 235000013616 tea Nutrition 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000000855 fermentation Methods 0.000 claims abstract description 15
- 230000004151 fermentation Effects 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 10
- 235000019225 fermented tea Nutrition 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 6
- 241001391944 Commicarpus scandens Species 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 3
- 241000220317 Rosa Species 0.000 claims 4
- 238000001914 filtration Methods 0.000 abstract description 13
- 239000000428 dust Substances 0.000 abstract description 5
- 235000019640 taste Nutrition 0.000 abstract description 3
- 102000004190 Enzymes Human genes 0.000 abstract description 2
- 108090000790 Enzymes Proteins 0.000 abstract description 2
- IPMYMEWFZKHGAX-UHFFFAOYSA-N Isotheaflavin Natural products OC1CC2=C(O)C=C(O)C=C2OC1C(C1=C2)=CC(O)=C(O)C1=C(O)C(=O)C=C2C1C(O)CC2=C(O)C=C(O)C=C2O1 IPMYMEWFZKHGAX-UHFFFAOYSA-N 0.000 abstract description 2
- UXRMWRBWCAGDQB-UHFFFAOYSA-N Theaflavin Natural products C1=CC(C2C(CC3=C(O)C=C(O)C=C3O2)O)=C(O)C(=O)C2=C1C(C1OC3=CC(O)=CC(O)=C3CC1O)=CC(O)=C2O UXRMWRBWCAGDQB-UHFFFAOYSA-N 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 235000011389 fruit/vegetable juice Nutrition 0.000 abstract description 2
- 235000014620 theaflavin Nutrition 0.000 abstract description 2
- IPMYMEWFZKHGAX-ZKSIBHASSA-N theaflavin Chemical compound C1=C2C([C@H]3OC4=CC(O)=CC(O)=C4C[C@H]3O)=CC(O)=C(O)C2=C(O)C(=O)C=C1[C@@H]1[C@H](O)CC2=C(O)C=C(O)C=C2O1 IPMYMEWFZKHGAX-ZKSIBHASSA-N 0.000 abstract description 2
- 229940026509 theaflavin Drugs 0.000 abstract description 2
- 235000008118 thearubigins Nutrition 0.000 abstract description 2
- 235000009569 green tea Nutrition 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- 238000003756 stirring Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 235000019606 astringent taste Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
- A23F3/08—Oxidation; Fermentation
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Biotechnology (AREA)
- Tea And Coffee (AREA)
Abstract
The invention discloses a broken black tea making process and equipment, which comprises the following steps: the tea leaf drying device comprises a main body mechanism, a drying mechanism, a turning mechanism and a supporting assembly, wherein the drying mechanism and the turning mechanism are both arranged on the main body mechanism, the main body mechanism comprises a bottom plate and a drying box, a material containing plate is arranged on the supporting assembly, and the turning mechanism is used for driving the supporting assembly to move up and down and is used for rapidly drying fermented tea leaves; the manufacturing process and the equipment of the broken black tea enable enzymes in the tea leaves to be separated out along with tea juice by means of green tea leaves during withering, formation of theaflavin and thearubigins is accelerated, good taste of the tea leaves is guaranteed, meanwhile, fermentation time is effectively shortened, production efficiency is improved, on one hand, temperature in a drying box is uniformly distributed through a hot air blower and a plurality of air nozzles matched with a filtering assembly, drying efficiency is improved, and on the other hand, dust in external air during drying is prevented from entering the drying box to pollute the tea leaves.
Description
Technical Field
The invention relates to the technical field of broken black tea, in particular to a broken black tea manufacturing process and equipment.
Background
The broken black tea is a fragment or granular tea, is a bulk product in the international tea market, accounts for about 80 percent of the total export amount of global tea, has the production history of hundreds of years, and is a fragment or a granule in the shape of the finished broken black tea, bright red in liquor color, fresh and strong in fragrance, mellow in taste and rich in astringency.
At present during broken black tea production, the time of fermentation is long, and when later stage is dried, one kind is when standing still inside drying equipment with tealeaves, lead to drying efficiency lower, and make the degree of tealeaves stoving different, the quality of tealeaves has been influenced greatly, adopt the mode of stirring stoving in addition, albeit drying efficiency who accelerates, nevertheless can smash graininess tealeaves during the stirring, influence the yield, when drying simultaneously, do not carry out filtration treatment to the hot-blast of stoving, lead to outside dust inside along with the air admission drying equipment, cause the pollution to tealeaves.
Disclosure of Invention
The invention aims to provide a broken black tea making process and equipment to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a broken black tea making process comprises the following steps:
s1, cleaning the picked tea leaves and removing impurities;
s2, withering, namely flatly paving the cleaned tea leaves in a room with the temperature of 18-20 ℃ for withering for 5-10 hours, wherein the paving thickness is 2-5 cm, when the leaf surfaces begin to become soft and are not easy to break, manually performing wave withering, after the wave withering is completed, flatly paving the tea leaves with good wave withering again and standing for 1-2 hours, and when the tea leaves begin to appear reddish brown on the edges, finishing the withering step;
s3, rolling and cutting, namely, rolling and cutting the withered tea leaves in a rotor machine twice for 12-18S each time;
s4, fermenting, namely placing the rolled and cut tea strips in a fermentation room for fermentation, wherein the fermentation time is 2-5 hours, turning the tea strips once every 40 minutes, the fermentation temperature is controlled to be 25-32 ℃, and the spreading thickness of the tea is 8-15 cm;
and S4, drying, namely drying the fermented tea leaves in broken black tea making equipment, controlling the drying temperature to be 110-120 ℃, controlling the air speed to be 3-6 m/S, and obtaining broken black tea raw tea after drying.
The invention also provides broken black tea making equipment which comprises a main body mechanism, a drying mechanism, a turning mechanism and a supporting assembly, wherein the drying mechanism and the turning mechanism are both arranged on the main body mechanism;
the main body mechanism comprises a bottom plate and a drying box, wherein an air diffusing port is formed in the top of the drying box, one side of the drying box is provided with an opening, a door plate is arranged on one side of the opening of the drying box, the supporting assembly is movably arranged in the drying box, a material containing plate is arranged on the supporting assembly, and the drying box is fixedly arranged on the upper surface of the bottom plate;
the turning mechanism is used for driving the supporting component to move up and down, so that the function of turning the tea during the tea drying period is realized;
the drying mechanism is used for rapidly drying the fermented tea leaves.
Through adopting above-mentioned technical scheme, through drying mechanism, can carry out the fast drying operation to tealeaves, through the mechanism cooperation supporting component that turns, realized carrying out the operation that turns to tealeaves at the in-process of stoving tealeaves, guarantee that tealeaves is heated evenly when drying, improve drying efficiency on the one hand, its two-pass is turned from top to bottom, has both realized the effect of the tealeaves that turns, can not cause the tealeaves damaged moreover, improves the yield.
Preferably, the supporting component comprises a supporting plate, four inserting rods and four inserting groove bodies, the lower ends of the four inserting rods are fixedly mounted at four corners of the supporting plate respectively, two ends of each inserting groove body are fixedly connected with the side faces of the two inserting rods at the same side respectively, two sides of the material containing plate are inserted into the two inserting groove bodies at the same height respectively, stand columns are fixedly mounted inside the drying box and are provided with four, concave sliding grooves matched with the inserting rods are formed in the side faces of the stand columns, and the inserting rods are inserted into the concave sliding grooves in a sliding mode.
Through adopting above-mentioned technical scheme, realized the fixed of flourishing flitch through backup pad, inserted bar cooperation slot body, can realize the function of up-and-down motion moreover.
Preferably, the mechanism that turns includes motor, dwang, cam and connecting rod, the motor passes through mount pad fixed mounting and is in the upper surface of bottom plate, the dwang sets up the below of backup pad, the one end of dwang is passed through the bearing and is rotated and run through one side of stoving case and with the pivot fixed connection of motor, cam fixed mounting is in the dwang is kept away from the one end of motor, the spacing axle of one side fixedly connected with of cam, the lower extreme of connecting rod is rotated and is installed spacing epaxially, the bottom fixed mounting of backup pad has the key seat, install through the round pin hub rotation the upper end of connecting rod the inside of key seat.
Through adopting above-mentioned technical scheme, drive the cam through motor cooperation dwang and rotate, and then cam cooperation connecting rod drives supporting component up-and-down motion, has realized the stirring operation to tealeaves in the flourishing flitch.
Preferably, the drying mechanism comprises an air heater and a connecting pipe, the air heater is fixedly mounted at the top of the drying box, an air outlet of the air heater is communicated with the upper end of the connecting pipe, the lower end of the connecting pipe penetrates through the top of the drying box and extends into the drying box, a branch pipe is communicated with the lower end of the connecting pipe, and an air nozzle is communicated with the outer wall of the branch pipe.
Through adopting above-mentioned technical scheme, through air heater cooperation jet-propelled head, can be quick blow in the inside of stoving case with after the air heating of external, and then carry out quick stoving to the tealeaves of stoving incasement.
Preferably, the gas nozzles are arranged at equal intervals of not less than four.
Through adopting above-mentioned technical scheme for the temperature distribution in the stoving case is even, improves drying efficiency and oven-dry mass.
Preferably, the air heater is further provided with a filtering assembly, the filtering assembly comprises a filtering box and a filtering plate, the top of the filtering box is provided with an opening, a limiting groove is formed in one side face of the filtering box, the filtering plate is inserted into the limiting groove, a through hole is formed in the side face of the filtering box, and an air inlet of the air heater is communicated with the through hole.
Through adopting above-mentioned technical scheme, can effectively avoid when drying through setting up filtering component, dust among the outside air gets into stoving incasement portion, pollutes tealeaves.
Preferably, the outer wall fixed mounting of stoving case has the control box, the inside fixed mounting of control box has the controller, the side of control box is inlayed and is fixed with touch display screen, touch display screen with controller electric connection, the signal output part of controller respectively with the automatically controlled end of motor with the automatically controlled end electric connection of air heater.
By adopting the technical scheme, the device is convenient for a user to operate.
Preferably, the inside fixed mounting of stoving case has temperature sensor, temperature sensor with the signal input part electric connection of controller.
Through adopting above-mentioned technical scheme, through installing temperature sensor for the user can be real-time knows the inside temperature of stoving case.
Preferably, still including the threaded rod, the jack has been seted up to the one end upper surface of slot body, the lower surface of slot body sets up threaded hole, spacing hole has been seted up to the one end side of flourishing flitch, the lower extreme of threaded rod seted up with screw hole assorted internal thread, the lower extreme of threaded rod runs through from top to bottom in proper order the jack spacing hole screw thread is installed the inside of screw hole, the top fixedly connected with knob cap of threaded rod.
Through adopting above-mentioned technical scheme, through threaded rod, screw hole cooperation jack and spacing hole, avoid when trembling tealeaves, flourishing flitch drops from the slot body.
Compared with the prior art, the invention has the beneficial effects that:
1. the tea leaves are subjected to green withering during the withering period, so that enzymes in the tea leaves are separated out along with tea juice, the formation of theaflavin and thearubigins is accelerated, the good taste of the tea leaves is ensured, the fermentation time is effectively shortened, and the production efficiency is improved;
2. the hot air blower and the plurality of air nozzles are matched with the filtering component, so that on one hand, the temperature in the drying box is uniformly distributed, the drying efficiency is improved, and on the other hand, dust in the outside air is prevented from entering the drying box to pollute the tea leaves during the drying period;
3. realize the stirring to tealeaves through motor, dwang cooperation cam, connecting rod, and then accelerated the efficiency of drying, can not lead to the fact destruction to tealeaves itself moreover, improved the yield greatly for the garrulous tea granule is compact, neat.
Drawings
FIG. 1 is a schematic structural view of a broken black tea manufacturing apparatus according to the present invention;
FIG. 2 is a schematic structural view of another perspective of the broken black tea making apparatus according to the present invention;
FIG. 3 is a schematic structural view of the broken black tea manufacturing apparatus of the present invention without a door panel;
FIG. 4 is a schematic structural view of the broken black tea manufacturing apparatus of the present invention without a bottom plate and a door plate installed;
FIG. 5 is a schematic view of a cutting mechanism of a drying box of the broken black tea making apparatus according to the present invention;
FIG. 6 is a schematic view showing the construction of a filter assembly of the broken black tea manufacturing apparatus according to the present invention;
FIG. 7 is a schematic view of an explosion structure of a column, an insertion rod, a slot body and a material containing plate of the broken black tea making equipment of the invention;
FIG. 8 is an enlarged view of portion A of FIG. 7;
fig. 9 is a flow chart of a broken black tea making process of the present invention.
In the figure: 1. a main body mechanism; 2. a drying mechanism; 3. a turning mechanism; 4. a filter assembly; 5. a door panel; 6. a drying box; 7. a base plate; 8. a control box; 9. a touch display screen; 10. a hot air blower; 11. a filter box; 12. a temperature sensor; 13. a column; 14. a support plate; 15. a mounting seat; 16. a motor; 17. rotating the rod; 18. a cam; 19. a limiting shaft; 20. a connecting rod; 21. a pin boss; 22. a material containing plate; 23. an air diffuser; 24. a gas showerhead; 25. a branch pipe; 26. a limiting groove; 27. a filter plate; 28. a through hole; 29. a concave chute; 30. inserting a rod; 31. a slot body; 32. a jack; 33. a threaded hole; 34. a threaded rod; 35. a knob cap; 36. a limiting hole; 37. and (4) connecting the pipes.
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.
Referring to fig. 1 to 9, the present invention provides a technical solution:
as shown in fig. 9, a broken black tea making process comprises the following steps:
s1, cleaning the picked tea leaves and removing impurities;
s2, withering, namely flatly paving the cleaned tea leaves in a room with the temperature of 18-20 ℃ for withering for 5-10 hours, wherein the paving thickness is 2-5 cm, when the leaf surfaces begin to become soft and are not easy to break, manually performing wave withering, after the wave withering is completed, flatly paving the tea leaves with good wave withering again and standing for 1-2 hours, and when the tea leaves begin to appear reddish brown on the edges, finishing the withering step;
s3, rolling and cutting, namely, rolling and cutting the withered tea leaves in a rotor machine twice for 12-18S each time;
s4, fermenting, namely placing the rolled and cut tea strips in a fermentation room for fermentation, wherein the fermentation time is 2-5 hours, turning the tea strips once every 40 minutes, the fermentation temperature is controlled to be 25-32 ℃, and the spreading thickness of the tea is 8-15 cm;
and S4, drying, namely drying the fermented tea leaves in broken black tea making equipment, controlling the drying temperature to be 110-120 ℃, controlling the air speed to be 3-6 m/S, and obtaining broken black tea raw tea after drying.
As shown in fig. 1 and 2, a broken black tea making device comprises a main body mechanism 1, a drying mechanism 2, a turning mechanism 3, a supporting component and a filtering component 4;
the main body mechanism 1 comprises a bottom plate 7 and a drying box 6, an air diffusing port 23 is formed in the top of the drying box 6, one side of the drying box 6 is arranged in an opening mode, a door plate 5 is installed on one side, arranged in the opening mode, of the drying box 6, a supporting assembly is movably installed in the drying box 6, a containing plate 22 is installed on the supporting assembly, and the drying box 6 is fixedly installed on the upper surface of the bottom plate 7.
As shown in fig. 3, 4, 5 and 7, in order to realize the function of fixing the material containing plate 22 and moving up and down, the support assembly includes a support plate 14, four insertion rods 30 and four insertion slot bodies 31, the four insertion rods 30 are provided, the lower ends of the four insertion rods 30 are respectively fixedly mounted at four corners of the support plate 14, two ends of the insertion slot bodies 31 are respectively fixedly connected with the side surfaces of the two insertion rods 30 at the same side, two sides of the material containing plate 22 are respectively inserted into the two insertion slot bodies 31 at the same height, the inside of the drying box 6 is fixedly mounted with four upright posts 13, the four upright posts 13 are provided, the side surfaces of the upright posts 13 are provided with concave sliding slots 29 matched with the insertion rods 30, and the insertion rods 30 are slidably inserted into the concave sliding slots 29.
As shown in fig. 2 and 4, the turning mechanism 3 is used for driving the supporting component to move up and down, so as to realize the function of turning tea leaves during tea leaf drying, the turning mechanism 3 includes a motor 16, a rotating rod 17, a cam 18 and a connecting rod 20, the motor 16 is fixedly mounted on the upper surface of the bottom plate 7 through a mounting seat 15, the rotating rod 17 is arranged below the supporting plate 14, one end of the rotating rod 17 is rotatably penetrated through one side of the drying box 6 through a bearing and is fixedly connected with a rotating shaft of the motor 16, the cam 18 is fixedly mounted at one end of the rotating rod 17 far away from the motor 16, one side of the cam 18 is fixedly connected with a limiting shaft 19, the lower end of the connecting rod 20 is rotatably mounted on the limiting shaft 19, a pin seat 21 is fixedly mounted at the bottom of the supporting plate 14, and the upper end of the connecting rod 20 is rotatably mounted inside the pin seat 21 through a pin shaft;
the operating principle of the turning mechanism 3 is as follows: the rotating rod 17 is driven to rotate by the motor 16, so that the cam 18 is matched with the connecting rod 20 to drive the supporting plate 14 to reciprocate up and down, and finally, the function of turning the tea leaves on the material containing plate 22 is realized.
If figure 1 and 5 stoving mechanism 2 is used for carrying out quick stoving to the tealeaves that ferment, blow into the inside of stoving case 6 after heating for quick with external air, carry out quick stoving to the tealeaves in the stoving case 6, stoving mechanism 2 includes air heater 10 and connecting pipe 37, air heater 10 fixed mounting is at the top of stoving case 6, the gas outlet of air heater 10 is linked together with the upper end of connecting pipe 37, the lower extreme of connecting pipe 37 runs through the inside that the top of stoving case 6 stretched into stoving case 6, the lower extreme intercommunication of connecting pipe 37 has branch pipe 25, the outer wall intercommunication of branch pipe 25 has jet head 24, in order to realize blowing in the even distribution of the temperature in stoving case 6, jet head 24 equidistance installation is not less than four.
As shown in fig. 1 and 6, in order to avoid that dust in the outside air enters the drying box 6 to pollute the tea leaves during drying, the tea drying device is further provided with a filter assembly 4, the filter assembly 4 comprises a filter box 11 and a filter plate 27, the top of the filter box 11 is provided with an opening, a side surface of the filter box 11 is provided with a limiting groove 26, the filter plate 27 is inserted into the limiting groove 26, the side surface of the filter box 11 is provided with a through hole 28, and an air inlet of the air heater 10 is communicated with the through hole 28.
As shown in fig. 3-5, in order to improve the usage of the device to be more friendly and convenient for operation, the outer wall of the drying box 6 is fixedly provided with a control box 8, the inside of the control box 8 is fixedly provided with a controller, the side surface of the control box 8 is fixedly embedded with a touch display screen 9, the touch display screen 9 is electrically connected with the controller, and the signal output end of the controller is respectively electrically connected with the electric control end of the motor 16 and the electric control end of the air heater 10.
As shown in fig. 3, in order to intuitively know the real-time temperature inside the drying box 6, a temperature sensor 12 is fixedly installed inside the drying box 6, and the temperature sensor 12 is electrically connected with a signal input end of the controller.
As shown in fig. 8, in order to avoid that the containing plate 22 falls off from the slot body 31 when tea leaves are shaken, the tea leaf shaking device further comprises a threaded rod 34, the upper surface of one end of the slot body 31 is provided with a jack 32, the lower surface of the slot body 31 is provided with a threaded hole 33, a limit hole 36 is formed in the side surface of one end of the containing plate 22, the lower end of the threaded rod 34 is provided with an internal thread matched with the threaded hole 33, the lower end of the threaded rod 34 sequentially penetrates through the jack 32 from top to bottom, the limit hole 36 is installed in the threaded hole 33 in a threaded manner, and the top of the threaded rod 34 is fixedly connected with a knob cap 35.
According to the technical scheme, the working steps of the scheme are summarized and carded:
during the use, put flourishing flitch 22 with tealeaves, then it fixes inside supporting component slot body 31 to contain flitch 22, then close door plant 5, through operation touch display screen 9, controller control air heater 10 starts, external air filters through filter assembly 4, air heater 10 heats at last by the even gas with the high temperature of jet 24 insufflate to stoving case 6 in, carry out quick stoving to the tealeaves of stoving case 6 portion, in the meantime, controller control motor 16 starts, through motor 16, dwang 17 cooperation cam 18, connecting rod 20 realizes the stirring to tealeaves, and then accelerated the efficiency of stoving, compare the mode of other mechanical stirring, can not lead to the fact destruction to tealeaves itself, the yield is higher, the quality of stoving is better.
The parts not involved in the present invention are the same as or can be implemented by the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The broken black tea making process is characterized by comprising the following steps:
s1, cleaning the picked tea leaves and removing impurities;
s2, withering, namely flatly paving the cleaned tea leaves in a room with the temperature of 18-20 ℃ for withering for 5-10 hours, wherein the paving thickness is 2-5 cm, when the leaf surfaces begin to become soft and are not easy to break, manually performing wave withering, after the wave withering is completed, flatly paving the tea leaves with good wave withering again and standing for 1-2 hours, and when the tea leaves begin to appear reddish brown on the edges, finishing the withering step;
s3, rolling and cutting, namely, rolling and cutting the withered tea leaves in a rotor machine twice for 12-18S each time;
s4, fermenting, namely placing the rolled and cut tea strips in a fermentation room for fermentation, wherein the fermentation time is 2-5 hours, turning the tea strips once every 40 minutes, the fermentation temperature is controlled to be 25-32 ℃, and the spreading thickness of the tea is 8-15 cm;
and S4, drying, namely drying the fermented tea leaves in broken black tea making equipment, controlling the drying temperature to be 110-120 ℃, controlling the air speed to be 3-6 m/S, and obtaining broken black tea raw tea after drying.
2. Broken black tea manufacturing equipment applied to the broken black tea manufacturing process of claim 1, characterized in that: the drying device comprises a main body mechanism (1), a drying mechanism (2), a turning mechanism (3) and a supporting assembly, wherein the drying mechanism (2) and the turning mechanism (3) are both arranged on the main body mechanism (1);
the main body mechanism (1) comprises a bottom plate (7) and a drying box (6), an air diffusing port (23) is formed in the top of the drying box (6), one side of the drying box (6) is provided with an opening, a door plate (5) is installed on one side of the drying box (6) provided with the opening, a supporting component is movably installed inside the drying box (6), a material containing plate (22) is installed on the supporting component, and the drying box (6) is fixedly installed on the upper surface of the bottom plate (7);
the turning mechanism (3) is used for driving the supporting component to move up and down, so that the function of turning the tea during the tea drying period is realized;
and the drying mechanism (2) is used for rapidly drying the fermented tea.
3. The broken black tea making apparatus according to claim 2, wherein: the supporting assembly comprises a supporting plate (14), inserting rods (30) and inserting groove bodies (31), the number of the inserting rods (30) is four, the lower ends of the inserting rods (30) are fixedly mounted at four corners of the supporting plate (14) respectively, two ends of each inserting groove body (31) are fixedly connected with the side faces of the corresponding inserting rods (30) respectively, two sides of each material containing plate (22) are inserted into the corresponding inserting groove bodies (31) at the same height respectively, stand columns (13) are fixedly mounted inside the drying box (6), the number of the stand columns (13) is four, concave sliding grooves (29) matched with the inserting rods (30) are formed in the side faces of the stand columns (13), and the inserting rods (30) are inserted into the concave sliding grooves (29) in a sliding mode.
4. The broken black tea making apparatus according to claim 3, wherein: the turning mechanism (3) comprises a motor (16), a rotating rod (17), a cam (18) and a connecting rod (20), the motor (16) is fixedly arranged on the upper surface of the bottom plate (7) through a mounting seat (15), the rotating rod (17) is arranged below the supporting plate (14), one end of the rotating rod (17) is rotatably penetrated through one side of the drying box (6) through a bearing and is fixedly connected with a rotating shaft of the motor (16), the cam (18) is fixedly arranged at one end of the rotating rod (17) far away from the motor (16), one side of the cam (18) is fixedly connected with a limiting shaft (19), the lower end of the connecting rod (20) is rotatably arranged on the limiting shaft (19), the bottom fixed mounting of backup pad (14) has round pin seat (21), the upper end of connecting rod (20) is installed through round pin axle rotation the inside of round pin seat (21).
5. The broken black tea making apparatus according to claim 4, wherein: drying mechanism (2) include air heater (10) and connecting pipe (37), air heater (10) fixed mounting be in the top of stoving case (6), the gas outlet of air heater (10) with the upper end of connecting pipe (37) is linked together, the lower extreme of connecting pipe (37) runs through the top of stoving case (6) stretches into the inside of stoving case (6), the lower extreme intercommunication of connecting pipe (37) has branch pipe (25), the outer wall intercommunication of branch pipe (25) has jet-propelled head (24).
6. The broken black tea making apparatus according to claim 5, wherein: the air nozzles (24) are arranged at equal intervals of not less than four.
7. The broken black tea making apparatus according to claim 6, wherein: still be provided with filter assembly (4), filter assembly (4) include rose box (11) and filter (27), the top of rose box (11) sets up for the opening, spacing groove (26) have been seted up to a side of rose box (11), filter (27) are pegged graft the inside of spacing groove (26), through-hole (28) have been seted up to the side of rose box (11), the air inlet of air heater (10) with through-hole (28) are linked together.
8. The broken black tea making apparatus according to claim 7, wherein: the outer wall fixed mounting of stoving case (6) has control box (8), the inside fixed mounting of control box (8) has the controller, the side of control box (8) is inlayed and is fixed with touch display screen (9), touch display screen (9) with controller electric connection, the signal output part of controller respectively with the automatically controlled end of motor (16) with the automatically controlled end electric connection of air heater (10).
9. The broken black tea making apparatus according to claim 8, wherein: the inside fixed mounting of stoving case (6) has temperature sensor (12), temperature sensor (12) with the signal input part electric connection of controller.
10. The broken black tea making apparatus according to claim 9, wherein: still include threaded rod (34), jack (32) have been seted up to the one end upper surface of socket body (31), threaded hole (33) have been seted up to the lower surface of socket body (31), spacing hole (36) have been seted up to the one end side of flourishing flitch (22), the lower extreme of threaded rod (34) seted up with screw hole (33) assorted internal thread, the lower extreme of threaded rod (34) runs through from top to bottom in proper order jack (32) spacing hole (36) screw thread is installed the inside of screw hole (33), the top fixedly connected with knob cap (35) of threaded rod (34).
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Cited By (1)
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| CN112790259A (en) * | 2020-12-30 | 2021-05-14 | 遵义七味茗香茶业进出口有限公司 | Be used for multi-functional preparation equipment of broken black tea |
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Application publication date: 20210723 |