CN106106869A - A kind of floral type black kung fu tea automatic production process - Google Patents

Abstract

The invention discloses a kind of floral type black kung fu tea automatic production process, including leaf picking, dry in sun room dry in sun, quick-freezing is withered, the employing unit that withers carries out dynamic circulation to tea fresh leaves and withers, use and just rub the mode of kneading that block-separating and sifting rubs again and knead, temperature-variable fermentation, use the drying mode of gross fire moisture regain foot fire, packaging and other steps, provide and utilize large leaf tea kind to carry out black tea to add and can realize automatization man-hour, serialization and the process requirements cleaned, and guarantee product quality, product is made to have the bar even show of rope tight knot, color and luster crow profit is glossy, soup color is orange red bright, fragrance height is sharp persistently, flavour is mellow tasty and refreshing, the bright neat and well spaced wool fabric feature of Radix Phyllagathis fordii, batch can be carried out when can guarantee that and large leaf tea tree breed is processed into black kung fu tea, serialization is processed.

Description

A kind of floral type black kung fu tea automatic production process

[technical field]

The present invention relates to tea making technology field, particularly to a kind of floral type black kung fu tea automatic production process.

[background technology]

Its inclusion content of large leaf tea is high, flavour is dense, and what fragrance was low, conventional wither can not meet Folium Camelliae sinensis and fermenting Cheng Zhongneng discharges fragrance, and therefore, large leaf tea produces black tea, and flavour is dense, and fragrance only has fragrant and sweet, lacks the fragrance of a flower.If one can be entered Step is processed into floral type black kung fu tea and can be greatly improved economic benefit.Black tea is the main body of world today's Tea Consumption, but I State's black tea competitiveness in international tea market is more weak, and the speed of yield and Quality advance is slow, and the export volume of black tea is only so far Accounting for about the 3% of world's black tea total sales volume, quality and sale price are constantly in below average level, in order to change this state, Improve the quality of China's black tea, the amount of expanding export, it is necessary in kind, yield, the innovation of technology reform.

Black kung fu tea is improved seeds in black tea, and its profile bar is relatively tight thin, has cutting edge of a knife or a sword Seedling, and gold milli is the most aobvious, and Wu Run is red Bright, tea products has consequence, is deeply welcome by broad masses, at present based on craft and the merit of semi-mechanization The processing of husband's black tea manufacture can not meet the market demand, simple and crude, the processing environment of equipment unhygienic and manually-operated with Meaning property creates large effect to the quality of " black kung fu tea ", thus also have impact on the brand image of " black kung fu tea ", therefore, The shortage of " black kung fu tea " automatization, intelligent machining key technology and equipment has become as system " black kung fu tea " industrialized development Bottleneck.

At present, fragrant black tea commonly used conventional black technique on the market makes, and also has some serializations automatic Complete equipment for processing and processing method, such as Chinese patent CN 102422910 A discloses congou tea automated production work Skill, this invention by four automatic vertical deteriorating machines, 6 65 type automatic kneading twisters form, high-speed rotary deblocks, automatically ferment Machine, two automatic driers, microwave tempering dewaterers composition, use stagewise dynamically wither technology, the most gradual add kneadding Sth. made by twisting technology, high-speed rotary deblocking technique, alternating temperature dynamic fermentation technology, microwave tempering dehydration technique etc., it is achieved at the beginning of black kung fu tea The automatization of system processing, serialization, cleanly production, but, the technical program is the common processing methods to black kung fu tea, and Large leaf tea tree kind sunshine-duration deficiency in the course of processing can not be solved and can not remove not mature taste, it is impossible to complete fermentation is released Release flowery odour, accordingly, it is considered to withering in black kung fu tea production and processing tradition tea-manufacturing technology, knead, ferment, dry four The feature of important procedure, the automation development utilizing large leaf tea to produce black kung fu tea needs to solve following problem: (1) is high The dry in sun at sunshine of mountain environment routine can not remove not mature taste, in the winter time completely by effect of natural conditions；(2) large leaf tea tree Kind, this raw material stalk is thick, Ye great, inclusion content, and conventional withering time is long, and the process of withering can produce red autumnal leaves, Jiao Ye or send out The phenomenons such as ferment is excessive, irregular, can not meet Folium Camelliae sinensis can discharge during the fermentation fragrance (3) common process can not rationally and Time control temperature, the key parameter such as humidity；(4) common process can not reach black kung fu tea and has profile uniform, good, flavour Intensity, soup color lightness increase, the mouthfeel of flavour alcohol sum, can realize cleaning simultaneously and produce.

[summary of the invention]

In view of foregoing, it is necessary to provide a kind of floral type black kung fu tea automatic production process, can be effectively improved big Its inclusion content of leaf kind tea is high, flavour is dense, the problem that fragrance is low, to be processed changing to conventional black kung fu tea equipment simultaneously Entering, it is achieved the black kung fu tea of production has profile uniform, good, flavour intensity, soup color lightness increase, the mouth of flavour alcohol sum Sense, simultaneously energy continuous prodution, reach the purpose that cleaning produces.

For reaching above-mentioned purpose, the technical solution adopted in the present invention is:

1. a floral type black kung fu tea automatic production process, described automatic production process step is as follows:

(1) indoor dry in sun: dark brownish green leaf to hopper feeding, hopper automatic charging, is uniformly spread defeated by dark brownish green leaf through artificial Send on belt, conveyer belt and plane-parallel and Z-shape be arranged at dry in sun room；Sidewall center, four sides peace in described dry in sun room Equipped with temperature probe；

(2) quick-freezing is withered: the dark brownish green leaf belt conveyor automatic conveying after dry in sun carries out quick-freezing to freezer and withers, quick-freezing After, dark brownish green leaf delivers to normal temperature unfreezing room through belt conveyor, and normal temperature unfreezing room is the most airtight；Described freezer fully seals, and freezer four Sidewall center, face is provided with temperature probe；Described belt conveyor and plane-parallel and Z-shape distribution；

(3) dynamic circulation is withered: the dark brownish green leaf after normal temperature unfreezing room thaws is automatically fed into deteriorating machine through belt conveyor Group is withered, and the unit that withers is made up of body, two portions of withering, two flat defeated portions, described in wither portion for horizontal by The wedge structure of 30 °-45 °, portion of withering is driven transmission guipure to form transmitting device by motor, and two portions of withering are side by side reversely at water Flat upper fixed installation, two portions of withering are connected by two flat defeated portions, form the closed-loop path of " mouth " font, and described flat defeated portion is solid Being scheduled on body inwall, the installation site in flat defeated portion is higher than the minimum of another portion of withering less than the most significant end in first portion of withering End, the transmission guipure least significant end in one of them portion of withering is designed with feeding warehouse, and the least significant end that another portion of withering transmits guipure sets Being equipped with discharging bin, be provided with air inlet under the transmission guipure in portion of withering, described air inlet is provided with temperature probe；

(4) compound knead: the dark brownish green leaf that obtains of dynamic circulation being withered is automatically fed into through conveyer belt and kneads unit and rub Twist with the fingers, knead after unit kneads in bulk and deblocked by the deblocking machine being connected on kneading machine, be re-fed into another and knead unit and enter Row is kneaded, and directly carries out temperature-variable fermentation after kneading in bulk, described in knead unit and include the equivalent kneading machine of the same model of 4-10 platform It is sequentially connected；

(5) temperature-variable fermentation: knead the dark brownish green leaf after end and be automatically fed into fermentation unit through belt conveyor, fermentation unit by Two fermentation machine compositions, respectively fermentation machine 1 and fermentation machine 2, dark brownish green leaf first carries out hot fermentation in fermentation machine 1, and high temperature is sent out After ferment terminates, enter fermentation machine 2 carry out low temperature fermentation, the center, fermenting cellar medial wall of fermentation machine be separately installed with temperature probe, Moisture probe, is provided with ultrasound wave warming and wetting apparatus bottom fermentation machine；

(6) it is dried: the dark brownish green leaf after fermentation ends is delivered to Drying unit through belt conveyor and carried out drying and obtain into and sampling tea, and dries Dry unit is made up of gross fire dehydrator, coal gas hot-blast converter, damping machine, foot heat dryer, Folium Camelliae sinensis chiller, and gross fire is dried Machine leaf outlet is connected with damping machine leaf feeding port, and damping machine leaf outlet is connected with foot heat dryer leaf feeding port, foot heat dryer leafing Mouth is connected with Folium Camelliae sinensis chiller, and coal gas hot-blast converter air outlet is connected with the blast pipe of gross fire dehydrator, foot heat dryer, Gross fire dehydrator, foot heat dryer blast pipe on be mounted on temperature probe.

Further, described temperature probe, moisture probe, the motor of belt conveyor are connected in central control unit.

Further, described central control unit is PLC control system or DCS control system.

Further, the roof, dry in sun room of described step (1) is made up of tempering clear glass and dark slide, inside dry in sun room Four wall tops are provided with infrared lamp, and infrared lamp is provided with fan below installation place.

Further, there is even leaf portion near the feeding warehouse described in unit that withers of described step (3), have near described discharging bin Brush leaf portion.

Further, the kneading machine group of described step (4) is composed in series by 4-10 platform 55 type kneading machine respectively, carries out compound The leaf feeding port of the First kneading machine kneaded is provided with automatic weighing machine, and the leaf outlet of last kneading machine is provided with vibration Groove, vibra shoot is connected on deblocking machine leaf feeding port.

Further, the gross fire Drying unit of described step (6), the thermal source of foot fire drying unit are heated by gas, gross fire Drying temperature at the beginning of Drying unit is 110 DEG C-120 DEG C, and the time is 30min-40min, and the moisture regain time is 40min-60min, and foot is dry to be dried Dry unit temperature is 100 DEG C-110 DEG C, and the time is 30min-40min.

There is advantages that

1, the present invention uses large leaf tea tree kind, and this raw material stalk is thick, Ye great, inclusion content, when withering of routine Between long, Folium Camelliae sinensis can not be met and can discharge fragrance during the fermentation, the technical program mainly to dry in sun, wither, knead, send out Ferment, be dried etc. several steps improve, reach improve black tea processing quality purpose, by dry in sun housing reform is entered, two sections wither Wither (i.e. frost wither, unit dynamic circulation of withering is withered), just rub-mode of kneading of block-separating and sifting-rub again, dynamic temperature change send out Ferment, the drying mode of gross fire-moisture regain-foot fire.The technical program carries out dry in sun by the Artificial Control temperature in dry in sun room, light, Overcome and can not be removed " blue or green taste " and affect the quality of black tea by what sunshine condition was affected at high mountain Folium Camelliae sinensis in the course of processing； The technique of two sections wither (i.e. frost is withered, and unit dynamic circulation of withering is withered) can be used to solve the problems referred to above, use quick-freezing The technology of withering strengthens the percentage of damage of dark brownish green leaf cell, promotes the release of tea polyphenols enzyme in dark brownish green leaf cell, preferably promotes tea The fermentation of Folium Isatidis, promotes the abundant release of flowery odour, solves the problem that large leaf tea flavour is boring, flowery odour is the denseest, simultaneously Owing to cell crashing ratio is high, withering time is shorter, it is simple to processing, it is ensured that the black kung fu tea of finished product has more preferable profile, energy Reaching the effect of the bar even show of rope tight knot, the most only leaning on freeze withering smudge cells is the effect of withering not reaching large leaf tea, Dark brownish green leaf can not be withered completely, therefore, it is also desirable to withered by the dynamic circulation of the unit that withers carry out process of withering, Dynamic circulation is withered, and to solve black tea middle temperature of withering uneven, the problem that inequality of withering, withering leaf have smoke；Wither is that the time is red The first step of tea processing, it is ensured that the efficiency effect of fermentation, it is requisite for kneading, and the technical program uses just rubs-deblock That sieve-rubs again kneads mode, reaches fully to rupture dark brownish green leaf cell, makes the cell juice of extrusion be attached to dark brownish green leaf surface and send out Ferment creates favorable conditions, and can also mould profile simultaneously；The key step that black kung fu tea flowery odour is formed is fermentation, this technical side Case, for reaching to produce multiple flowery odour, improves the purpose of the stereovision of flowery odour, uses temperature-variable fermentation to become kneading leaf Temperature fermentation, temperature-variable fermentation can discharge the fermented quality of different levels, forms the dense alcohol of black kung fu tea flavour fragrant and sweet, soup color, Radix Phyllagathis fordii Bright fine quality feature；The profile of black kung fu tea is requisite quality condition, the technical program employing gross fire-moisture regain- The drying mode of foot fire solves the problem of Folium Camelliae sinensis fracture in Tea Processing dry run.

2, the present invention selects and temperature probe, moisture probe, feed belt motor is connected in central control unit Black kung fu tea production line is monitored and controls by mode in real time, and utilizes PLC or DCS central authorities integrated control system to reach energy The purpose automatically controlled.Relevant device, the temperature of operating room, humidity can be sensed by temperature, moisture probe, reach in central authorities Show in control system, thus instruct the switch of control system control feed belt motor to reach the purpose remotely controlled, with Sample, the technical program can also set the mesh that corresponding parameter just can reach to carry out automatically controlling in central control system 's.

3, the present invention utilize the roof in dry in sun room equipped with tempering clear glass and dark slide, be provided with in room infrared lamp, Fan, compensate for not reaching abundant dry in sun not in the places of origin of raw materials sunshine-duration and removes the problem of blue or green taste, have simultaneously in dry in sun room Travelling belt, belt is Z-shape turn back and with horizontal plane horizontal distribution, can effectively utilize the space of dry in sun room, sunshine is equal simultaneously Can be irradiated by mobile belt or infrared lamp in the case of even and reach to automatically control sun-drying tea into green, by regulation shading Plate, infrared lamp, fan come regulating illumination intensity and indoor temperature to regulate intensity and the temperature of dry in sun, make dry in sun technique constant temperature, Controlled, overcome high mountain Folium Camelliae sinensis sunshine-duration during manufacturing not enough, dry in sun can not effectively remove the problem of " blue or green taste " not, Reach uniform, controlled dry in sun purpose.

4, the present invention selects the circulation unit that withers to wither, and forms dynamic withering technology: the design of this mode of withering is protected Demonstrate,prove the serialization produced；Fresh leaf can make leaf surface air flow faster at the volley, shortens process of withering, and improves and produces effect Rate；The unit that withers enters to be provided with near leaf storehouse even leaf portion and ensure that the thickness of the fresh leaf of the process of withering is uniform, it is to avoid tradition is withered In the uneven problem of the leaf-spreading thickness that causes of the randomness of artificial stand leaf；The freshest leaf that is designed with of unit of withering withers, and solves Black tea of having determined middle temperature of withering is uneven, the problem that inequality of withering, withering leaf have smoke.

5, the present invention select unit of kneading be made up of 8-20 platform 55 type kneading machine, kneading machine divide two groups often group by 4-10 platform 55 type kneading machines are in series, and are provided with deblocking machine between kneading machine, knead unit import and are provided with automatic weighing machine, utilize this Technical scheme kneads parameter according to different grades of fresh leaf kneading to set on machine set control device before kneading beginning accordingly, And black kung fu tea needs to carry out " sky rubs-light pressure-middle pressure-weight " when kneading repeats process, automatically go up leaf-weighing-inferior lobe The application of technology makes to knead and becomes automatization and standardization, and in automatization, leaf alleviates working strength greatly, decreases work Measure；Standardized weighing can promote the Folium Camelliae sinensis bar rope after kneading and cell crashing ratio relatively uniform, for automated production Folium Camelliae sinensis provides stable shape and quality assurance.That follows " light-weight-light " when kneading adds decompression principle, and sky rubs 30min, gently Pressure 10min-15min, middle pressure 10min-15min, weight 5min-10min, middle pressure 3min-8min.

6, fermentation is the key that black tea produces flowery odour, and segmentation temperature-variable fermentation can promote black kung fu tea difference flowery odour The key formed, dynamic temperature change fermentation technique selected by the present invention ferments, and uses two fermentation unit rooms, every the unit room that ferments In be provided with a fermentation machine, the leaf feeding port of fermentation machine is provided with even impeller, and fermentation machine is internal is multilamellar pore shape guipure and fermentation machine Design for non-hermetic, knead when leaf enters fermentation unit room through the effect of even impeller, by evenly laid out in the pore shape of fermentation machine On guipure, thickness 6vm-8cm, thinner than fermentated leaves thickness (10cm-20cm) in traditional zymotic box many, be conducive to fermentation all Even；Upset that guipure is cellular and Folium Camelliae sinensis moves on guipure, is more beneficial for fermentated leaves compared to the fermentation of traditional zymotic box comprehensive And air contact, improve fermentation evenness and fermented quality, traditional zymotic process temperature is the most relatively uniform, so before and after remaining And study and show, fermentation of black tea early stage relatively-high temperature, middle and late stage, compared with the temperature-variable fermentation of low temperature, more has for improving black tea quality Profit.Fermentation unit room 1 is set to hot environment, and maintains the temperature at 30 DEG C-34 by the temperature and humidity control system in fermentation unit room DEG C, humidity is maintained at more than 95%, and fermentation time is at 30min-40min；Fermentation unit room 2 is set to low temperature environment, and by sending out Temperature and humidity control system in ferment unit room keeps temperature 24 DEG C-28 DEG C, and humidity is maintained at more than 95%, 2h-2.5h during fermentation.Send out During ferment appropriateness, fermentated leaves is transferred to yellowish red color by dark green；Grass gas is decorporated, and shows flowers and fruits fragrant.First high temperature, short time is conducive to sending out A large amount of accumulation of ferment initial stage theaflavin without regard to theaflavin too much be converted into thearubigins, when low temperature subsequently is long, fermentation has It is beneficial to the control being converted into thearubigins beneficially attenuation degree that theaflavin is relatively slow so that thearubigins and theaflavin content Level is the highest and ratio suitable, thus reaches preferable fermented quality, forms the dense alcohol of black kung fu tea flavour fragrant and sweet, at the bottom of soup color, leaf The fine quality feature of glow.

7, the present invention has added damping machine between gross fire dehydrator and foot heat dryer, the structure of damping machine and 6CH-21 type Tea drier is similar, has only been the absence of air-blast device therein, and the utilization of damping machine solves conventional drying processes gross fire, stand Put back to fire damp, sufficient can not the problem of continuous prodution, Folium Camelliae sinensis carries out appropriateness moisture regain spreading for cooling in damping machine and can promote Folium Camelliae sinensis simultaneously Internal moisture distributes to outside, improves the drying effect of foot fire.

[accompanying drawing explanation]

The process chart of Fig. 1 present invention.

[detailed description of the invention]

All features disclosed in this specification, or disclosed all methods or during step, except mutually exclusive Feature and/or step beyond, all can combine by any way.

Any feature disclosed in this specification (including any accessory claim, summary), unless specifically stated otherwise, By other equivalences or there is the alternative features of similar purpose replaced.I.e., unless specifically stated otherwise, each feature is a series of An example in equivalence or similar characteristics.

Embodiment 1:

The fresh leaf of two leaves and a bud selecting large leaf tea tree kind is raw material, from throat-fed through automatic charging after harvesting Machine, dark brownish green leaf spreads through automatic feeder and carries out dry in sun in dry in sun room on a moving belt, and spreading thickness is 1cm～2cm, dry in sun room The Z-shape distribution of interior conveyer belt, dry in sun room temperature controls at 22 DEG C～25 DEG C, and the dry in sun time controls in 60min～120min；Shine After green grass or young crops is terminated, dark brownish green leaf is uniformly spread on a moving belt by discharging opening, and dark brownish green leaf is delivered into quick-freezer and carries out quick-freezing by belt Wither, the Z-shape distribution of freezer inner belt, freezer temperature cryogenic temperature is-30 DEG C～-18 DEG C, and the time is 60min～90min, Dark brownish green leaf quick-freezing is withered after end, and the communicated band of dark brownish green leaf is transported to normal temperature unfreezing room and thaws, and defrosting room inner belt is Z-shape Distribution；After defrosting, dark brownish green leaf leaf is rendered to often group respectively through automatically upper leaf device and is withered unit, and the feeding warehouse of the unit that withers is arranged There is even leaf device, highly can reach to control fresh leaf thickness by regulating it, in fresh leaf launch process, the transmission dress of the unit that withers Put (guipure of the guipure in portion of the withering defeated machine of peace) by fresh leaf from the bottom slowly band in first portion of withering to second portion of withering Top and in this infrared inductor perception is set, terminate automatically upper leaf program, the shuttling movement of the unit that withers stops, right It is 30 DEG C～40 DEG C that withering temperature, air inlet suitably regulate the portion's withering temperature that makes to wither；Wither after end, start control of withering Automatic inferior lobe program in cabinet processed releases withering leaf, opens the upper leaf program kneading unit 1 simultaneously, and old according to withering leaf The situations such as tender, water content, set knead leaf amount of throwing, knead time, the time respectively adding decompression phase and corresponding bucket arm and move down Distance.Withering leaf is lower after weighing to be pressed solid to kneading machine by withering leaf in the time interval before kneading machine starts automatically, Guarantee that blade face height and rub barrel flush, observe during kneading and actual knead effect, according to knead effect to add decompression time, Degree is suitably finely tuned；Knead the leaf after unit 1 and enter deblocking machine through conveyer belt, the conglomeration shape Folium Camelliae sinensis of middle formation will be kneaded Dismiss；Leaf of tentatively kneading after deblocking is sent into and is kneaded unit 2 and knead further, kneads the throwing leaf amount of unit 2, kneads the time, adds The parameter setting means such as decompression time and degree is with kneading unit 1, and the step of the process kneaded is: sky is rubbed 5min, gently pressed 10min, middle pressure 10min, weight 5min, gently press 5min；Lower machine continues sky and rubs 2min, gently presses 3min, middle pressure 5min, weight after deblocking Pressure 10min, the mode of light pressure 5min are kneaded, sky rubs, gently pressure, middle pressure, the pressure condition of weight be respectively as follows: 0MPa, 0.2MPa、0.4MPa、0.6MPa；Knead 30min before terminating open fermentation machine set control cabinet and set the warm and humid of fermentation unit room Degree.At the end of kneading soon, open and knead the conveyer device between unit 2 and fermentation machine 1 and open the guipure of fermentation machine 1.Knead After end, kneading leaf and deliver to fermentation machine 1 through conveyer device, kneading leaf will be uniformly under the even impeller effect of fermentation machine 1 porch It is laid on the motion guipure of fermentation machine 1, enters after fermentation machine 1 to the most all leaves of kneading, close fermentation machine 1 guipure, make to knead leaf Carrying out the high temperature, short time fermentation of first stage in fermentation machine 1, after first stage fermentation ends, initial fermentation leaf is through conveyer device Entering fermentation machine 2 to carry out fermenting when low temperature is long, fermentation machine 1 fermentation temperature is at 30 DEG C～34 DEG C, and humidity is maintained at more than 95%, sends out The ferment time, fermentation machine 2 fermentation temperature was at 24 DEG C～28 DEG C, and humidity is maintained at more than 95%, fermentation time at 30min～40min 2h～2.5h；After fermentation ends, fermentated leaves enters gross fire dehydrator through conveyer device to carry out just drying, and temperature is 110 DEG C～120 DEG C, after just drying, Folium Camelliae sinensis is dry up to seventy percent.The preliminary Folium Camelliae sinensis dried, through cooling blower, is delivered to damping machine and evenly laid out in returning On the motion carrier bar of tide machine, the time of moisture regain is about 40min～60min, and the Folium Camelliae sinensis eased back through damping machine carries foot fire baking again Dry machine carries out foot to be done, and temperature is 100 DEG C～110 DEG C, and the pack after air-cooler cools down of the Folium Camelliae sinensis after foot is dry is put in storage.

Embodiment 2:

The fresh leaf of bud SANYE selecting large leaf tea tree kind is raw material, and procedure of processing is identical with embodiment 1.

Matched group 1:

The fresh leaf of two leaves and a bud selecting large leaf tea tree kind is raw material, and parch is processed by hand, procedure of processing With condition being: select daylight dry in sun, select outdoor temperature 22 DEG C～25 DEG C, spread thickness 1cm～2cm, the dry in sun time controls In 60min～120min；Freezer quick-freezing is withered, and cryogenic temperature is-30 DEG C～-18 DEG C, and the time is 60min～90min, room temperature solution Freeze, when dark brownish green leaf surface does not has ice slag, proceed to manual daylight and wither, thin for tea fresh leaves being spread out in is withered on curtain so that it is distribute water Point, being become wilting and withered from brittle and proceed to knead technique, knead Folium Camelliae sinensis and adhere to blade face, hands touches with feeling of touching with one's hand and proceeds to fermentation Technique, fermentation selects to stack fermentation, and fermentation temperature is 22 DEG C～28 DEG C, humidity more than 95%, is dried and uses small-sized chain-plate type to do Dry machine carries out single-set operation, and point gross fire and foot fire are dried for twice, middle spreading for cooling about 40min～60min, gross fire temperature 110 DEG C ～120 DEG C, foot fire 100 DEG C～110 DEG C.

Matched group 2:

The fresh leaf of two leaves and a bud selecting large leaf tea tree kind is raw material, and procedure of processing is identical with matched group 1.

Control experiment:

1, exterior quality:

Four kinds of floral type black kung fu tea of embodiments of the invention 1-2 and matched group 1-2 are respectively taken 5g dark-red enameled pottery carry out Brew, stand 3min, several factors such as at the bottom of Folium Camelliae sinensis profile, fragrance, millet paste soup color, flavour, leaf are observed, and remembers Record, is specifically shown in Table 1:

Table 1 exterior quality situation log:

2, chemical composition:

According to Duncan method inspection to tea polyphenols, caffeine, catechin total amount, free amino acid, theaflavin, thearubigins, Abrownin content detects, and detection case is shown in Table 2:

Table 2 black kung fu tea chemical composition detection table

According to upper table: the black tea that automated production and traditional handicraft make is total in tea polyphenols, caffeine, catechin On amount, free amino acid, thearubigins, abrownin content, difference is not notable, and the black tea that automated production and traditional handicraft make exists There is significant difference in theaflavin content, the black tea theaflavin content that automation process makes is noticeably greater than traditional handicraft and makes Black tea, in this explanation automatic production line, the two-part temperature-variable fermentation technology taked improves theaflavin content.

In sum, the automatic production line of the present invention achieves automatization, serialization and the process requirements cleaned；From The product that dynamicization production line processes at the bottom of profile, soup color, fragrance, flavour and leaf with time of processing manual, semi-automatic Black tea is better than tradition processing substantially close to, indivedual theaflavin indexs, substantially maintains the quality of black kung fu tea tradition thick aroma and good taste Style, has reached the quality requirements of traditional black kung fu tea.

Described above is the detailed description for the preferable possible embodiments of the present invention, but embodiment is not limited to this Bright patent claim.

Claims (7)

1. a floral type black kung fu tea automatic production process, it is characterised in that described automatic production process step is as follows:

(1) indoor dry in sun: dark brownish green leaf to hopper feeding, hopper automatic charging, is uniformly spread at conveying skin by dark brownish green leaf through artificial On band, conveyer belt and plane-parallel and Z-shape be arranged at dry in sun room；In described dry in sun room, sidewall center, four sides is provided with Temperature probe；

(2) quick-freezing is withered: the dark brownish green leaf belt conveyor automatic conveying after dry in sun carries out quick-freezing to freezer and withers, after quick-freezing, and tea Folium Isatidis delivers to normal temperature unfreezing room through belt conveyor, and normal temperature unfreezing room is the most airtight；Described freezer fully seals, and freezer four sides sidewall Center is provided with temperature probe；Described belt conveyor and plane-parallel and Z-shape distribution；

(3) dynamic circulation is withered: the dark brownish green leaf after normal temperature unfreezing room thaws is automatically fed into, through belt conveyor, the unit that withers and enters Row withers, and the unit that withers is made up of body, two portions of withering, two flat defeated portions, described in wither portion for horizontal by 30 °-45 ° Wedge structure, portion of withering is driven by motor and transmits guipure and form transmitting device, and two portions of withering reversely consolidate side by side in level Dingan County fills, and two portions of withering are connected by two flat defeated portions, form the closed-loop path of " mouth " font, and described flat defeated portion is fixed on machine On internal wall, the installation site in flat defeated portion is higher than the least significant end in another portion of withering less than the most significant end in first portion of withering, its In the transmission guipure least significant end in a portion of withering be designed with feeding warehouse, least significant end that another portion of withering transmits guipure is provided with out Feed bin, is provided with air inlet under the transmission guipure in portion of withering, described air inlet is provided with temperature probe；

(4) compound knead: the dark brownish green leaf that obtains of dynamic circulation being withered is automatically fed into through conveyer belt and kneads unit and knead, and rubs Twister group is deblocked by the deblocking machine being connected on kneading machine after kneading in bulk, is re-fed into another and kneads unit and rub Twist with the fingers, after kneading in bulk, directly carry out temperature-variable fermentation, described in knead unit and include the equivalent kneading machine of the same model of 4-10 platform successively It is connected；

(5) temperature-variable fermentation: kneading the dark brownish green leaf after end and be automatically fed into fermentation unit through belt conveyor, fermentation unit is by two Fermentation machine forms, respectively fermentation machine 1 and fermentation machine 2, and dark brownish green leaf first carries out hot fermentation in fermentation machine 1, and hot fermentation is tied Shu Hou, enters fermentation machine 2 and carries out low temperature fermentation, and the center, fermenting cellar medial wall of fermentation machine is separately installed with temperature probe, humidity Probe, is provided with ultrasound wave warming and wetting apparatus bottom fermentation machine；

(6) it is dried: the dark brownish green leaf after fermentation ends is delivered to Drying unit through belt conveyor and carried out drying and obtain into and sampling tea, dehydrator Group is made up of gross fire dehydrator, coal gas hot-blast converter, damping machine, foot heat dryer, Folium Camelliae sinensis chiller, and gross fire dehydrator goes out Leaf mouth is connected with damping machine leaf feeding port, damping machine leaf outlet with foot heat dryer leaf feeding port be connected, foot heat dryer leaf outlet and Folium Camelliae sinensis chiller is connected, and coal gas hot-blast converter air outlet is connected with the blast pipe of gross fire dehydrator, foot heat dryer, gross fire Dehydrator, foot heat dryer blast pipe on be mounted on temperature probe.

A kind of floral type black kung fu tea automatic production process the most according to claim 1, it is characterised in that described temperature Probe, moisture probe, the motor of belt conveyor are connected in central control unit.

A kind of floral type black kung fu tea automatic production process the most according to claim 2, it is characterised in that described central authorities Controlling device is PLC control system or DCS control system.

A kind of floral type black kung fu tea automatic production process the most according to claim 1, it is characterised in that described step (1) roof, dry in sun room is made up of tempering clear glass and dark slide, and inside dry in sun room, four wall tops are provided with infrared lamp, infrared Lamp is provided with fan below installation place.

A kind of floral type black kung fu tea automatic production process the most according to claim 1, it is characterised in that described step (3) there is even leaf portion near the feeding warehouse described in unit that withers, near described discharging bin, have brush leaf portion.

A kind of floral type black kung fu tea automatic production process the most according to claim 1, it is characterised in that described step (4) kneading machine group is composed in series by 4-10 platform 55 type kneading machine respectively, and carry out the compound First kneading machine kneaded enters leaf Mouth is provided with automatic weighing machine, and the leaf outlet of last kneading machine is provided with vibra shoot, and vibra shoot is connected to deblocking machine and enters leaf On mouth.

A kind of floral type black kung fu tea automatic production process the most according to claim 1, it is characterised in that described step (6) gross fire Drying unit, the thermal source of foot fire drying unit are heated by gas, dry at the beginning of gross fire Drying unit temperature be 110 DEG C- 120 DEG C, the time is 30min-40min, and the moisture regain time is 40min-60min, and the dry Drying unit temperature of foot is 100 DEG C-110 DEG C, Time is 30min-40min.