CN112471274A - Production line for simultaneously preparing ground tea and green tea and processing technology thereof - Google Patents
Production line for simultaneously preparing ground tea and green tea and processing technology thereof Download PDFInfo
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- CN112471274A CN112471274A CN202011450016.4A CN202011450016A CN112471274A CN 112471274 A CN112471274 A CN 112471274A CN 202011450016 A CN202011450016 A CN 202011450016A CN 112471274 A CN112471274 A CN 112471274A
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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
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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
- A23F3/12—Rolling or shredding tea leaves
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Abstract
本发明公开了一种碾茶和绿片茶兼制生产线及其加工工艺，包括贮青机，贮青机连接切叶机，切叶机连接滚筒筛，滚筒筛连接杀青机，杀青机的出口端连接冷却仓的一端，冷却仓的另一端安装分料机构，分料机构连接碾茶输送机，碾茶输送机旁并排安装多个碾茶炉，碾茶输送机另一端连接烘干机。贮青机对新鲜茶叶进行快速均匀失水贮青，切叶机进行切叶并通过滚筒筛滚筛除杂，通过杀青机杀青，杀青后通过冷却仓冷却后分料机构对茶叶进行分料，制作碾茶时，碾茶输送机对茶叶进行翻叶并通过碾茶炉初烘脱水，制作绿片茶时，直接通过碾茶输送机进行输送，最终烘干机对茶叶进行烘干和分选，一条生产线的两种加工工艺，节省场地和投资。
The invention discloses a combined production line for rolling tea and green tea and its processing technology. One end of the cooling silo is connected, the other end of the cooling silo is equipped with a material distribution mechanism, and the material distribution mechanism is connected to the tea mill conveyor. Several mill tea furnaces are installed side by side next to the mill tea conveyor, and the other end of the mill tea conveyor is connected to the dryer. The silage machine quickly and evenly dehydrates the fresh tea leaves and stores the silage. The leaf cutter cuts the leaves and removes impurities through the roller sieve. When making tea, the tea conveyor turns the tea leaves and dehydrates the tea leaves through the tea furnace. When making green tea, it is directly conveyed by the tea conveyor, and the final dryer dries and sorts the tea leaves. Two processing techniques, saving space and investment.
Description
Technical Field
The invention relates to the technical field of tea making, in particular to a production line for making tea by grinding tea and green tea and a processing technology thereof.
Background
The tea grinding is characterized in that stems and leaves are separated, shapes and gloss are not pursued, color and fragrance are emphasized, the tea color is further changed to green by turning over the leaves, and green tea pieces are emphasized, the overall shape and gloss of the industry are emphasized, the tea grinding and frying production line is suitable for tea frying.
Disclosure of Invention
The invention aims to provide a production line for making tea by grinding and green tea and a processing technology thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a grind tea and green piece tea and make production line concurrently, includes the machine of storing green, the machine of storing green connects the leaf cutter, the rotary screen is connected to the leaf cutter, the rotary screen is connected and is deactivated the machine, the one end in cooling bin is connected to the exit end of the machine of deactivating green, feed mechanism is installed to the other end in cooling bin, feed mechanism connects and grinds the tea conveyer, grind the other a plurality of tea furnaces of grinding of installing side by side of tea conveyer, grind the tea conveyer other end and connect the drying-machine.
The optimized embodiment case, the green tea storage machine comprises a chain net feeding belt, a plurality of air blowers and a material refining mechanism, wherein the material refining mechanism is installed at the tops of the two sides of the chain net feeding belt, the material refining mechanism comprises a U-shaped frame, the two ends of the U-shaped frame are respectively fixedly connected with the tops of the side plates of the two sides of the chain net feeding belt, guide rails are fixedly installed at the bottom of a top plate of the U-shaped frame, clamping sliding blocks are uniformly and slidably connected in the guide rails, sliding plates are fixedly installed at the bottoms of the sliding blocks, a waist-shaped groove is formed in the middle of the top surface of each sliding plate, a motor is fixedly installed at the top of the U-shaped frame, an output shaft of the motor penetrates through the U-shaped frame and is fixedly connected with one end of a crank, the other end.
In a preferred embodiment, the distributing mechanism comprises a bucket conveyor, the bucket conveyor is fixedly installed on the side wall of the cooling bin, a distributing belt is fixedly installed on the outer wall of the bucket conveyor and is located right below an outlet of the bucket conveyor, a green-increasing machine is fixedly installed on the ground at the bottom of one end of the distributing belt, and the bottom of the other end of the distributing belt and the outlet of the green-increasing machine are connected with a tea grinding conveyor through conveying belts. .
An embodiment of preferred, grind tea conveyer includes that first groove and second are rolled the groove, first groove and second are rolled the one end in groove and are passed through the conveyer belt and connect, the one end that feed mechanism is connected through the conveyer belt to the other end that first groove was rolled, first groove and second are rolled the bottom in groove and all install a plurality of hot-blast mouths, and hot-blast mouth connection grinds the tea stove, first groove and second are rolled a plurality of leaf mechanisms of turning over of installation between the inner wall in groove, a plurality of far infrared devices of top installation in first groove, the second rolls the top fixed mounting stove outer covering in groove.
Preferably, the leaf turning mechanism comprises a first rotating shaft, the first rotating shaft is sleeved between the side plates of the first rolling groove and the second rolling groove in a rotating mode, a plurality of leaf turning blades are installed on the outer walls of the two ends of the first rotating shaft at the inner cavities of the first rolling groove and the second rolling groove in a staggered mode, a first motor is fixedly installed on the outer wall of the first rolling groove and the outer wall of the second rolling groove, and the output shaft of the first motor is fixedly connected with the first rotating shaft.
An embodiment of preferred, the drying-machine includes tea conveyer belt and stoving case, the even leaf mechanism of mid-mounting of tea conveyer belt, the bottom fixed mounting hot-blast furnace of stoving case, hot-blast furnace and stoving case integral type installation, the exit end fixed connection stoving case of hot-blast furnace is close to the one end outer wall of tea conveyer belt, stoving case air intake sets up hot-blast dispersion mechanism, the top fixed mounting hydrofuge mouth of stoving case, the inner chamber from the top down of stoving case installation multirow turns over the board.
An embodiment of preferred, even leaf mechanism includes the mount, go up the equal fixed mounting mount of both sides outer wall of tea conveyer belt, slide clamping movable frame on the mount, threaded structure cup joints adjusting bolt is passed through at the top of mount, adjusting bolt's bottom rotates the joint movable frame, the second pivot is cup jointed in the rotation between the movable frame, the second pivot slides and runs through the both sides curb plate of going up the tea conveyer belt, one the outer wall fixed mounting second motor of movable frame, the one end of the output shaft fixed connection second pivot of second motor, a plurality of even leaf boards of fixed mounting in the second pivot.
Preferably, an air conveying pipeline is installed between the dryers, one end of the air conveying pipeline is connected with the outlet end of the dryer, the other end of the air conveying pipeline is fixedly connected with a cyclone separator, the bottom of the cyclone separator is connected with the inlet end of the stem and leaf separator, and the outlet end of the stem and leaf separator is connected with the next-stage dryer.
A processing technology of a tea grinding and green tea mixing production line comprises the following steps:
s1, green keeping: uniformly spreading and conveying the fresh tea leaves by a green storage machine, and blowing air by an air blower during conveying to lose water until the water content is 68-74%;
s2, cutting leaves: conveying the green-stored tea leaves into a leaf cutter through a vertical conveyor for cutting, automatically selecting cutting times according to the size and the tenderness of the leaves, and cutting the tea leaves into 3-4cm leaves;
s3, removing impurities: the tea leaves after being cut fall into a drum screen for screening, and stones and broken stalks in the tea leaves are removed;
s4, fixation: removing impurities from the tea leaves, deactivating enzymes in a tea-deactivating machine, selecting a steam tea-deactivating machine when processing and grinding the tea leaves, and switching a conveyor to send the tea leaves into a high-temperature hot air tea-deactivating machine when processing green tea leaves;
s5, cooling: the tea leaves after the enzyme deactivation enter a cooling bin to be thrown and scattered for multiple times and are quickly cooled by air;
s6, selecting a process: conveying the tea leaves subjected to fixation and cooling to a tea grinding conveyor through a material distribution mechanism according to needs, so as to respectively process tea grinding and green tea;
s601, grinding tea: after the tea leaves are subjected to steam fixation, the tea leaves are directly conveyed into a tea grinding conveyor through a material distribution mechanism to be dewatered, at the moment, a tea grinding furnace is opened, hot air is provided for a first grinding groove and a second grinding groove, the tea grinding conveyor turns over the tea leaves and simultaneously sequentially passes through the first grinding groove and the second grinding groove to be primarily dried and dewatered, and the hot air temperatures in the first grinding groove and the second grinding groove are respectively 90-120 ℃ and 70-100 ℃;
s602, green tea: when green tea is manufactured, tea leaves are subjected to hot air enzyme deactivation and cooling, then are conveyed to a green increasing machine through a material distribution mechanism for green increasing, after green increasing, the tea leaves enter a tea grinding conveyor through a conveying belt, at the moment, a tea grinding furnace is closed, and the tea grinding conveyor is only used for leaf turning and conveying;
s7, drying: fully drying the tea leaves by an integrated dryer, and separating stems and leaves of the tea leaves by combining a stem and leaf separator and an air separator to obtain finished tea and auxiliary tea;
s8, packaging: packaging the processed tea and the auxiliary tea respectively
Preferably, in step S4, the temperature of the high-temperature steam de-enzyming when the de-enzyming machine processes the ground tea is 100-150 ℃, and the steam pressure is 0.1-0.4 MPa; the hot air de-enzyming temperature of the de-enzyming machine is 450-550 ℃ when the green tea is processed by the de-enzyming machine.
Compared with the prior art, the invention has the beneficial effects that:
1. the tea leaves are flatly laid on the green tea storage machine through the material homogenizing mechanism, so that the fresh tea leaves can be rapidly and uniformly dehydrated and stored green, and the field and the working hours are saved;
2. tea leaves are subjected to green storage, leaf cutting, impurity removal, enzyme deactivation and cooling, then whether the tea leaves are sent into a green increasing machine is selected through a material distribution mechanism, when tea grinding is carried out, the tea leaves directly enter a tea grinding conveyor and are primarily dried and dehydrated through a tea grinding furnace, when green tea is produced, the tea leaves are subjected to green increasing through the green increasing machine and enter the tea grinding conveyor, the tea grinding furnace is closed, the tea grinding conveyor is only used for conveying, the distinguishing processes of tea grinding and green tea pieces are respectively carried out, general equipment is combined and process selection is carried out, so that two processing processes of one production line are realized, and the field and the investment are saved;
3. the tea processing device can conveniently select and control one-step cutting, two-step cutting and variable frequency control according to different tea sizes and different old tenderness, realizes the linkage control requirements of the tea processing device and other tea processing devices of the production line, and meets the diversified requirements of the production line. The tea leaves are not easy to be cut by omission due to the influence of different blade and chopping block combinations on the tea leaf cutting effect; the axial position gaps between the blade and between the blade and the chopping board can be conveniently adjusted to meet the requirement of uniform cutting size, the chopping board can perform a self-cleaning function, and the problem of cutting blockage is solved;
4. the tea grinding furnace is designed in an integrated mode that a single-layer mesh belt is adopted, the whole machine is free of building a furnace on site, the edge of the mesh belt is densely woven, the mesh number is more than 40 meshes, the transmission toughness of the mesh belt is improved, plain weaving is adopted in the middle, the mesh number is more than 20 meshes, the air permeability of tea is improved, the mesh belt is directly driven by rollers, and a transmission chain is omitted. The tea-grinding seaweed aroma is guaranteed by infrared radiation conduction and hot air convection in a heat transfer mode combining far infrared radiation and hot air convection, the dark green color of the tea-grinding seaweed is guaranteed by hot air convection, 5-8 leaf turning mechanisms are arranged above a conveying mesh belt, the tea-grinding seaweed aroma is suitable for large-capacity production, and the fresh leaf treatment capacity is over 400 kg/h;
5. the tea leaves are dried in a grading way among a plurality of dryers, so that different drying time and drying temperature can be conveniently controlled, and stem and leaf separation and winnowing are arranged in the middle, so that stem leaves are respectively dried, and the drying effect is better;
6. tea leaves are conveyed out of the drying box and fall into the pneumatic conveying pipeline, the tea leaves enter the stem and leaf separator through the pneumatic conveying pipeline to separate tea stems and leaves, the leaves enter the winnowing machine to be winnowed after separation, the leaves enter the next channel to be dried after winnowing, and the dried tea leaves enter the second stem and leaf separation and winnowing, so that finished tea is collected in a grading manner, and the problem that the quality of the tea leaves is reduced due to component mixing is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic structural view of a refining mechanism according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 5 is a schematic view of the tea milling conveyor of the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 5 at C according to the present invention;
FIG. 7 is a schematic view of a dryer according to the present invention;
FIG. 8 is a schematic structural view of a leaf homogenizing mechanism of the present invention;
fig. 9 is a schematic structural view of a drying box according to the present invention.
In the figure: 1. a green tea storage machine; 10. a material homogenizing mechanism; 101. a U-shaped frame; 102. a guide rail; 103. a slider; 104. a slide plate; 105. a motor; 106. a crank; 107. a slide bar; 108. a waist-shaped groove; 109. a deflector rod; 2. a leaf cutter; 3. a drum screen; 4. a de-enzyming machine; 5. a cooling bin; 6. a tea grinding conveyor; 61. a first milling groove; 62. a second milling groove; 63. a hot air port; 64. a furnace shell; 65. a leaf turning mechanism; 651. a first rotating shaft; 652. a first motor; 653. turning over the blades; 7. a material distributing mechanism; 71. a bucket conveyor; 72. distributing the material belt; 73. a green increasing machine; 8. grinding the tea boiler; 9. a dryer; 91. a tea conveying belt is arranged; 92. a drying box; 93. a hot blast stove; 94. a moisture removal port; 95. a leaf homogenizing mechanism; 951. a fixed mount; 952. adjusting the bolt; 953. a movable frame; 954. a second rotating shaft; 955. a second motor; 956. homogenizing the leaves; 96. turning over a plate; 11. an air supply pipeline; 12. a cyclone separator; 13. a stem and leaf separator.
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. 1-9, the present invention provides a technical solution: the utility model provides a grind tea and green piece tea and make production line concurrently, includes that the machine 1 of keeping green, the machine 1 of keeping green connects the leaf cutter 2, and leaf cutter 2 connects drum sieve 3, and drum sieve 3 connects the machine 4 that completes, and the one end in cooling bin 5 is connected to the exit end of the machine 4 that completes, and feed mechanism 7 is installed to the other end in cooling bin 5, and feed mechanism 7 connects and grinds tea conveyer 6, grinds that 6 sides of tea conveyer are installed a plurality of tea furnaces 8 of grinding side by side, grinds the 6 other ends of tea conveyer and connects drying-machine 9. Carry out quick even dehydration to fresh tealeaves through tea-leaf cutter 1 and save blue or green, then cut the leaf and pass through 3 roller screen edulcorations of drum sieve through leaf cutter 2, 4 green-removing of rethread green-removing machine, cool off through cooling bin 5 after the green-removing, according to the needs of preparation mill tea or green piece tea, when the preparation was ground tea, grind tea conveyer 6 and turn over the leaf and just dry by the fire the dehydration through grinding tea stove 8 to tealeaves, when making green piece tea, grind tea conveyer 6 and directly carry tealeaves, finally all dry and select separately tealeaves through drying-machine 9, realize two kinds of processing technology of a production line, save place and investment.
The green tea leaf storage machine 1 comprises a chain net feeding belt, a plurality of air blowers and a refining mechanism 10, wherein the refining mechanism 10 is arranged at the tops of two sides of the chain net feeding belt, the refining mechanism 10 comprises a U-shaped frame 101, the two ends of the U-shaped frame 101 are respectively and fixedly connected with the tops of two side plates of the chain net feeding belt, a guide rail 102 is fixedly arranged at the bottom of a top plate of the U-shaped frame 101, a sliding block 103 is clamped in the guide rail 102 in a sliding mode, a sliding plate 104 is fixedly arranged at the bottom of the sliding block 103, a waist-shaped groove 108 is formed in the middle of the top surface of the sliding plate 104, a motor 105 is fixedly arranged at the top of the U-shaped frame 101, an output shaft of the motor 105 penetrates through the U-shaped frame 101 and is fixedly connected with one end of a crank 106, the other end of the crank 106 is clamped in the waist-shaped groove 108 in a sliding mode, a plurality of shift levers 109 are, therefore, the sliding plate 104 reciprocates along the guide rail 102, and the deflector rod 109 moves back and forth to evenly spread the tea leaves on the green keeping machine 1, so as to be convenient for quickly losing water and keeping green.
The material distributing mechanism 7 comprises a bucket conveyor 71, the bucket conveyor 71 is fixedly installed on the side wall of the cooling bin 5, a material distributing belt 72 is fixedly installed on the outer wall of the bucket conveyor 71, the material distributing belt 72 is located under an outlet of the bucket conveyor 71, a green increasing machine 73 is fixedly installed on the ground of the bottom of one end of the material distributing belt 72, the bottom of the other end of the material distributing belt 72 and an outlet of the green increasing machine 73 are connected with the tea grinding conveyor 6 through conveyor belts, tea leaves are conveyed to the material distributing belt 72 through the bucket conveyor 71 after flowing out of the cooling bin 5, and are conveyed through positive and negative rotation of the material distributing belt 72 during tea grinding, the tea leaves are directly conveyed into the tea grinding conveyor 6 through the conveyor belts, green tea is made, green tea is increased in the tea green increasing machine 73 through the material distributing belt 72, and process selection.
Tea grinding conveyor 6 includes first groove 61 and second groove 62 of grinding, the one end of first groove 61 and second groove 62 of grinding is passed through the conveyer belt and is connected, the one end of feed mechanism 7 is connected through the conveyer belt to the other end of first groove 61 of grinding, a plurality of hot-blast mouths 63 are all installed to the bottom of first groove 61 and second groove 62 of grinding, and hot-blast mouth 63 is connected and is ground tea stove 8, a plurality of leaf turning mechanisms 65 are installed to the inner wall of first groove 61 and second groove 62 of grinding within a definite time, a plurality of far infrared devices are installed to the top of first groove 61 of grinding, the top fixed mounting stove shell 64 of second groove 62 of grinding, during tealeaves is carried along first groove 61 and second groove 62 of grinding, a plurality of leaf turning mechanisms 65 turned over tealeaves, when preparation is ground tea, grind tea stove 8 and open, hot-blast mouth 63 blows hot-blast to dry and dehydrate just tealeaves, when making green tea, tea stove 8 of grinding closes, tea grinding conveyor 6 only uses as transport and turns over the tealeaves.
The leaf turning mechanism 65 comprises a first rotating shaft 651, a first rotating shaft 651 is rotatably sleeved between the side plates of the first grinding groove 61 and the second grinding groove 62, a plurality of leaf turning blades 653 are arranged on the outer walls of the two ends of the first rotating shaft 651 at the inner cavities of the first grinding groove 61 and the second grinding groove 62 in a staggered manner, a first motor 652 is fixedly arranged on the outer wall of the first grinding groove 61 and the second grinding groove 62, the output shaft of the first motor 652 is fixedly connected with the first rotating shaft 651, and the first motor 652 drives the first rotating shaft 651 to rotate, so that the leaf turning blades 653 turn the tea leaves.
The dryer 9 comprises a tea feeding conveyer belt 91 and a drying box 92, a leaf homogenizing mechanism 95 is arranged in the middle of the tea feeding conveyer belt 91, a hot-blast stove 93 is fixedly arranged at the bottom of the drying box 92, the hot-blast stove 93 and the drying box 92 are integrally installed, the outlet end of the hot-blast stove 93 is fixedly connected with the outer wall of one end of the drying box 92 close to the tea feeding conveyer belt 91, a hot-blast dispersing mechanism is arranged at the air inlet of the drying box 92, a moisture exhaust port 94 is fixedly installed at the top of the drying box 92, a plurality of rows of turning plates 96 are installed from top to bottom in the inner cavity of the drying box 92, when tea leaves are conveyed along the tea feeding conveyer belt 91, the leaf homogenizing mechanism 95 slightly pushes the tea leaves to enable the tea leaves to be uniformly tiled along the tea feeding conveyer belt 91 and to conveniently enter the drying box 92 uniformly, when the tea leaves enter the drying box 92, the hot-blast stove 93 blows the hot-blast drying box 92, the tea leaves which are uniformly, the heavier parts of the stems fall on the turning plate 96 at the bottom of the drying box 92, the conveying speed of the turning plate 96 is controlled, so that the parts of the stems to be dried quickly, such as the blades, are conveyed away from the drying box 92 quickly, the speed of the turning plate 96 at the stems is low, the stems are dried for a long time, and all the components are dried fully.
The leaf homogenizing mechanism 95 comprises a fixed frame 951, fixed frames 951 are fixedly arranged on the outer walls of two sides of the tea feeding conveying belt 91, movable frames 953 are slidably clamped on the fixed frames 951, adjusting bolts 952 are sleeved on the top of the fixed frames 951 through a threaded structure, the bottoms of the adjusting bolts 952 are rotatably clamped on the movable frames 953, a second rotating shaft 954 is rotatably sleeved among the movable frames 953, the second rotating shaft 954 slidably penetrates through the side plates of the two sides of the tea feeding conveying belt 91, a second motor 955 is fixedly arranged on the outer wall of one movable frame 953, an output shaft of the second motor 955 is fixedly connected with one end of the second rotating shaft 954, a plurality of leaf homogenizing plates 956 are fixedly arranged on the second rotating shaft 954, the second motor 955 drives the second rotating shaft 954 to rotate, the leaf homogenizing plates 956 slightly homogenizes tea leaves, the tea leaves are uniformly spread on the tea feeding conveying belt 91, the movable frames 953 are driven to slide along the fixed frames 951 through the adjusting bolts 952, so as to adjust the height of, the purpose of adjusting the flat thickness of the tea leaves is achieved, and the tea leaves can fall into the drying box 92 conveniently and uniformly.
An air supply pipeline 11 is arranged between the dryers 9, one end of the air supply pipeline 11 is connected with the outlet end of the dryer 9, the other end of the air supply pipeline 11 is fixedly connected with a cyclone separator 12, the bottom of the cyclone separator 12 is connected with the inlet end of a stem and leaf separator 13, and the outlet end of the stem and leaf separator 13 is connected with the next dryer 9.
A processing technology of a tea grinding and green tea mixing production line comprises the following steps:
s1, green keeping: uniformly spreading and conveying the fresh tea leaves by using a green tea storage machine 1, and blowing air by using an air blower during conveying to lose water until the water content is 68-74%;
s2, cutting leaves: conveying the green-stored tea leaves into a leaf cutting machine 2 through a vertical conveyor for cutting, automatically selecting cutting times according to the size and the tenderness of the leaves, and cutting the tea leaves into 3-4cm leaves;
s3, removing impurities: the tea leaves after being cut fall into a drum screen for screening, and stones and broken stalks in the tea leaves are removed;
s4, fixation: removing impurities of the tea leaves, putting the tea leaves into a fixation machine 4 for fixation, selecting a steam fixation machine when processing and grinding the tea leaves, and switching a conveyor to send the tea leaves into a high-temperature hot air fixation machine when processing green tea leaves;
s5, cooling: the tea leaves after the enzyme deactivation enter a cooling bin 5 to be thrown and scattered for multiple times and are quickly cooled by air;
s6, selecting a process: the tea leaves after the deactivation of enzymes and the cooling are conveyed to a tea grinding conveyor 6 through a material distribution mechanism 7 according to the requirements, so that the tea grinding and the green tea processing are respectively carried out;
s601, grinding tea: after the tea leaves are steamed, the tea leaves are directly conveyed into a tea grinding conveyor 6 through a material distribution mechanism 7 to be dehydrated, at the moment, a tea grinding furnace 8 is started to provide hot air for a first grinding groove 61 and a second grinding groove 62, the tea grinding conveyor 6 turns over the tea leaves and simultaneously sequentially passes through the first grinding groove 61 and the second grinding groove 62 for preliminary drying, and the hot air temperatures in the first grinding groove 61 and the second grinding groove 62 are respectively 90-120 ℃ and 70-100 ℃;
s602, green tea: when green tea is manufactured, tea leaves are subjected to hot air enzyme deactivation and cooling, then are conveyed to a green increasing machine 73 through a material distribution mechanism 7 for green increasing, after green increasing, the tea leaves enter a tea grinding conveyor 6 through a conveying belt, at the moment, a tea grinding furnace 8 is closed, and the tea grinding conveyor 6 is only used for leaf turning and conveying;
s7, drying: fully drying the tea leaves by an integrated dryer 9, and separating stems and leaves of the tea leaves by combining a stem and leaf separator and an air separator to obtain finished tea and auxiliary tea;
s8, packaging: packaging the processed tea and the auxiliary tea respectively
In a preferred embodiment, step S4, the high temperature steam de-enzyming temperature of the de-enzyming machine 4 is 100-150 ℃ and the steam pressure is 0.1-0.4MPa when the de-enzyming machine processes the ground tea; the hot air green-removing temperature is 450-550 ℃ when the green tea is processed by the green-removing machine 4.
The working principle is as follows: when the tea leaf rolling machine is used, tea leaves are flatly paved on the tea leaf storage machine 1 through the material homogenizing mechanism 10, fresh tea leaves are quickly and uniformly dehydrated and stored through the tea leaf storage machine 1, then the tea leaves are cut through the tea leaf cutting machine 2 and are subjected to impurity removal through the roller screen 3, then the tea leaves are de-enzymed through the de-enzyming machine 4, the tea leaves are de-enzymed through high-temperature steam during tea rolling, the green tea leaves are de-enzymed through hot air during green tea rolling, the green tea leaves are cooled through the cooling bin 5 after being de-enzymed, the tea leaves flow out of the cooling bin 5 and are conveyed to the material separating belt 72 through the bucket conveyor 71, the tea leaves are directly conveyed to the tea rolling conveyor 6 during tea rolling, the material separating belt 72 conveys the tea leaves into the green increasing machine 73 to increase green during green tea making, the process selection of the tea leaves is realized, when the tea leaves are made to be rolled, the tea leaves enter the tea rolling conveyor 6, at the time, the tea rolling furnace 8 is opened, hot air is lifted to the first rolling groove 61 and the second rolling groove 62, when making green tea, the tea grinding furnace 8 is closed, at the moment, the tea grinding conveyor 6 only conveys tea, finally the tea is conveyed to the drying box 92 through the tea conveying belt 91, the tea is slightly pushed by the tea homogenizing mechanism 95 to be uniformly spread along the tea conveying belt 91 and conveniently and uniformly enter the drying box 92, when the tea enters the drying box 92, the hot blast stove 93 blows hot air to the drying box 92, the uniformly falling tea is blown by the wind power, so that the aim of winnowing is achieved, the tea with light weight, such as blades and the like falls on the turning plate 96 above the inner cavity of the drying box 92, the part with heavy stems falls on the turning plate 96 at the bottom of the drying box 92, the conveying speed of the turning plate 96 is controlled, so that the parts which are quickly dried, such as the blades and the like are quickly conveyed to leave the drying box 92, the turning plate 96 at the dry part is slow, and the drying is carried out for a long time, all components are fully dried, when tea leaves are dried in a grading mode among the plurality of dryers 9, the tea leaves are conveyed out of the drying box 92 and fall into the air conveying pipeline 11, the tea leaves enter the stem and leaf separator 13 through the air conveying pipeline 11 to separate tea stems from leaves, the leaves enter the winnowing machine to be winnowed after separation, the tea leaves enter the next drying channel after winnowing and then enter the second stem and leaf separation and winnowing after drying, finished tea is collected in a grading mode, and the problem that the quality of the tea leaves is reduced due to component mixing is avoided.
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011450016.4A CN112471274A (en) | 2020-12-11 | 2020-12-11 | Production line for simultaneously preparing ground tea and green tea and processing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011450016.4A CN112471274A (en) | 2020-12-11 | 2020-12-11 | Production line for simultaneously preparing ground tea and green tea and processing technology thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113231317A (en) * | 2021-05-27 | 2021-08-10 | 福建茶叶进出口有限责任公司 | Processing and production process for impurity removal and blending of white tea |
| CN113678908A (en) * | 2021-08-28 | 2021-11-23 | 中国农业科学院茶叶研究所 | A new type of stage tea aroma equipment |
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| CN113231317A (en) * | 2021-05-27 | 2021-08-10 | 福建茶叶进出口有限责任公司 | Processing and production process for impurity removal and blending of white tea |
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| CN113678908A (en) * | 2021-08-28 | 2021-11-23 | 中国农业科学院茶叶研究所 | A new type of stage tea aroma equipment |
| CN113678908B (en) * | 2021-08-28 | 2025-02-07 | 中国农业科学院茶叶研究所 | A new type of staged tea aroma equipment |
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Application publication date: 20210312 |