CN1283164C - Production method of Mocha tea and special equipment thereof - Google Patents
Production method of Mocha tea and special equipment thereof Download PDFInfo
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- CN1283164C CN1283164C CN 200410065961 CN200410065961A CN1283164C CN 1283164 C CN1283164 C CN 1283164C CN 200410065961 CN200410065961 CN 200410065961 CN 200410065961 A CN200410065961 A CN 200410065961A CN 1283164 C CN1283164 C CN 1283164C
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Abstract
The present invention provides a production method of mocha tea products and special equipment thereof. The production method of mocha tea comprises the following procedures: leave selection; blue gas removal, water removal, refrigeration, dehydration, air drying, drying, stem removal, sterilization and pulverization. The special equipment comprises double speed drum type steam water removing machine, an air drying groove and a boiling type drying machine. Mocha tea is edible superfine powder of natural steam turquoise tea with favorable color, incense and taste, which is formed by taking nuisance-free fresh leaves with good quality as raw material refined through special processes. The present invention has the following characteristics: 1. the original quality, the original color, the original taste; 2. scent, daintily, slight grass odor; 3. high content of protein and amino acids (27 % to 30%), high content of chlorophyll (3 % to 7%), and low content of tea polyphenol (16 % to 21%) and caffeine (2 % to 3%); 4. moisture absorption; 5. median particle diameter of: 3 to 10 micrometres; 6. green environmental protection significance and natural emerald to dark green.
Description
Technical field:
The present invention relates to a kind of production method of tea and special equipment that tea is smeared in production smeared, a kind of color production method that all good edible superfine powders of natural steaming green tea are smeared tea is provided specifically, belong to tealeaves intensive processing field.
Background technology:
Smear tea and originate from China, have in 1 thousand 7 hundred history so far at least.It is alive for evermore and medicinal that tea is that people earnestly hope originally, has dense SiChuan cultural coloring.Tea steams and to grind into the end and drink, and smears tea and gains the name thus.After tea propagates into Central Plains, be pregnant with, form a kind of thrifty element, elegance, natural, harmonious life style to smear scholar's tea ceremony formula that tea is main flow.Import Japan when smearing tea Song into, because the tomography of culture is smeared tea from Ming Dynasty's year surplus in the of lost 400.Twentieth century nineties, I am through the development more than 5 years, the utilization modern high technology, and in conjunction with traditional handicraft, the tea of smearing of the present invention is created in the succession deduction.The tea of smearing of the present invention imports civilized and healthy " eating tea " new fashion, is widely used in all conglomeraties such as quick-frozen food, dairy produce, bean product, cold food, beverage, functional food, cosmetics, is a wonderful work in Chinese nation's excellent traditional culture! China is the motherland of tea, and the tea place area ranks first in the world, and output occupies the second in the world, but the world market share that tea products occupies but has only 6%.Actually why? most important reason is the industry brand product that China does not have deep processing.China's so-called ten big famous-brand and high-quality tea only are that a name of dividing with the original producton location is sampled tea, and it can not form scale, diversification produces and is brand product.Britain is a country that does not produce tea, and " Lipton " tea forms with the tea blending that states such as India, Sri Lanka produce.The year profit on sales of the billions of U.S. dollars of " Lipton " brand has just surpassed the total export value of China's tealeaves.Therefore, develop tealeaves deep processed product and just seem particularly important and urgent with pulling industry development.Along with improving constantly of the sustainable growth of economy, living standard, the further enhancing of tea culture effect, weeding out the old and bring forth the new and consumption pattern variation day by day of modern tea-drinking, tealeaves especially green tea conforms with the historical trend that worldwide health perception strengthens as natural health beverage, and the advantage of tealeaves is obvious day by day under the situation that various soft drinks are feudal lords vyingd for the throne.Relevant expert's prediction, at the beginning of 21 century, Chinese consume tealeaves every year and will reach about 1,000 gram.Have reason, potentiality are greatly being contained in tealeaves consumption, and the prospect of the big Tea Industry of 21 century China is boundless.Smear the tea output and be about 1000 tons in the present world.China 3-5 smears about 6,000,000,000 yuan of the market capacity of tea and products thereof, about 20,000,000,000 yuan of 5-10.At present also a little less than the relative thin, the tealeaves of production is primary product to China's Tea Production Technology Innovation for Enterprise ability basically, and deep processed product only accounts for about 3%, and the technology content of product and added value are all very low, can't satisfy market demands.
Modern crushing technology is produced ultra-fine green tea powder in the history in existing nearly ten years of China, the green tea powder also begins many in Application in Food Industry, but market is desirable not enough, mainly is that the domestic degree of depth and range in research for application and development is also not enough, product scale and class are not high, inferior quality.Have with the autumn in summer produce keep out stir-frys, baking is blue or green directly pulverizes, simmering tea with steaming green grass or young crops of having processed.Its product bitterness is highly seasoned, and color and luster is yellow partially, the odor type shakiness, and fragrance is not high, lacks unified standard, and powder footpath granularity can not strict be controlled, and is difficult to be extensive use of in food industry.
Summary of the invention:
The objective of the invention is to avoid the defective in the above-mentioned existing tea powder technology, develop the production method of the medium-to-high grade tea powder that is fit to the market demand, the production method of especially smearing tea product.The present invention also provides and produces the special equipment of smearing tea product.
The tea production technology of smearing of the present invention is a comparatively perfect innovative technology system, it relate to suitable system smear the new breeding of tea clone, the four seasons do not water cuttage technique, cover administrative skill, superfine technique, cold storing and fresh-keeping technology and the tea powder sterilization technology etc. of pollution-free tea down.Production technology except technological process and, also relating to relevant innovation production equipment, comprising double speed drum-type steam inactivation machine, air-dry groove, boiling type dryer etc.
Purpose of the present invention can realize by a kind of production method and step of smearing tea:
Select leaf: choose the breeding fresh tea passes that suitable system is smeared tea;
Removing green gas: blew bright leaf 5～10 minutes with cool breeze earlier, spreading for cooling is 2～3 hours again;
Complete: enter double speed drum-type steam inactivation machine, 3～5 kilograms of steam pressures, 105～198 ℃ of temperature completed 30～60 seconds;
Cooling: tealeaves was cooled off 10～15 seconds with frozen water;
Dehydration: enter in the dewaterer and dewatered 1～2 minute;
Air-dry: as to enter on the air-dry machine air-dry 10～20 minutes again;
Oven dry: adopted the boiling type drying machine drying 10～20 minutes, oven temperature is 75～130 ℃, and the control moisture content is 7～10%;
Remove stem: the tealeaves after will drying is earlier rubbed and is fragmentated, and enters grading machine then and goes stem to handle;
Sterilization: adopt the microwave drying sterilization machine to carry out sterilization, sterilization temperature is 70～80 ℃, sterilizing time 2～6 minutes, moisture content is that 3～5% strip is ground tea;
Pulverize: be crushed to the thick tea powder of 60～130 orders through initial crusher earlier; Adopt ultrafine crusher to pulverize again, make 800～2500 orders and smear tea.
Wherein select leaf to choose the suitable system of nuisanceless, clone and smear the bright leaf of tea breeding, adopt machine or the manual tealeaves that rubs in the time of air-dry.Wherein microwave drying sterilization machine belt speed is 600～900 rev/mins, and the laying depth of tealeaves on crawler belt is 0.5～1.5cm; Wherein the admission pressure of ultrafine crusher is 0.6～0.8Mpa, and the classification rotating speed is 2030～2610 rev/mins.
The present invention produces the special equipment of smearing tea:
A kind of double speed drum-type steam inactivation machine, it is characterized in that it comprises steam oven, cabinet, cylinder, rolls rake and steam pipe, roll rake and comprise rotating shaft and blade, the two all is arranged in the cabinet cylinder with rolling rake, roller sleeve is contained in and rolls on the rake axle, the two realizes that by transmission mechanism differential rotates, and the cylinder perisporium is the net grid or has some pore formula structures and be provided with a body; Steam pipe is installed in cylinder top in the cabinet, its with the perisporium of cylinder relative position side on have row's jetted hole, the inlet end of steam pipe is communicated with steam oven by tube connector, steam output end seals, jetted hole becomes big gradually by admission end to steam output end aperture; The top cover of cabinet is provided with exhaust hole, and bottom is provided with guiding gutter, and the delivery port place of guiding gutter is provided with capping.
The top cover of the cabinet of double speed drum-type steam inactivation machine of the present invention is presented the arc of convex and is renovated, and the guiding gutter of bottom is set to be convenient to the inclined plane of discharging.
A kind of air-dry machine, it is characterized in that it comprises blower fan, guide duct, wind deflector and bellows, the end face of bellows is a gridiron structure, be provided with baffle plate all around, the air inlet that is positioned at the bellows side is communicated with blower fan by guide duct, and be provided with row's wind deflector at the air inlet place of bellows, be provided with between the top of the bottom of side of air inlet and its opposite flank and be connected with the dividing plate suitable with bellows.
It is positioned at the parallel to each other and setting that is inclined upwardly of wind deflector of bellows air inlet position air-dry machine of the present invention, and the inclination alpha span of they and horizontal plane is 15 °＜α＜75 °.
A kind of boiling type dryer, it comprises blower fan, heater, guide duct and baking oven, the outlet of blower fan is communicated with the inlet of heater, the outlet of heater is communicated with the bottom surface of baking oven by guide duct, guide duct is provided with the wind-force control valve, and the casing of baking oven is provided with charging aperture and discharging opening, and the bottom surface of baking oven is a fluid bed, the top is upwards to be expanded bell mouth shape and is provided with venthole, it is characterized in that the top of fluid bed is provided with in the baking oven to stir roller.
The roller that stirs of boiling type dryer of the present invention comprises rotating shaft and is arranged at rake teeth in the rotating shaft that rotating shaft is adopted manually or the motor transmission.The end face of baking oven is the net grid or is provided with some apertures.
The tea of smearing of the present invention:
Smearing tea and be with nuisanceless high-quality fresh leaf is raw material, through all good edible superfine powders of natural steaming green tea of the refining color that forms of special process.Smear tea following six characteristics are arranged: 1, three is former: protoplasm, primary colors, original flavor.2, three is clear: delicate fragrance, tasty and refreshing, slightly blue or green (grass) gas.3, three high two is low: protein and amino acid (27～30%), chlorophyll content height (3～7%), Tea Polyphenols (16～21%), caffeine content low (2～3%).4, hygroscopicity is arranged.5, median particle size: 3--10 micron.6, two green: the green on the environment protection significance; Natural emerald green to bottle green.Smear tea and kept tealeaves self chlorophyll, nutritional labeling, medicinal ingredient and aromatic substance, do not contain any additives, artificial color, anticorrisive agent.It is simple and elegant to smear tea delicate fragrance, the bright alcohol of flavour, and nutrition health, easy to use, the even back of available cold and hot boiling water is Instant Drinks directly, and can add milk, sugar, ice cube etc. as required therein, a bit the meaning of picture " tealeaves coffee ".
The present invention preparation smear a kind of of Camellia steaming green tea, but it is not equal to general green tea powder.The tea of smearing that the present invention produces has been compared tangible advantage with existing green tea powder:
1, technology difference: the production technology of smearing tea is to process on the basis of grinding tea, and median particle size is the 3--10 micron, chlorophyll total amount 3-7%; The production technology of green tea powder generally is to simmer tea or even fry on the basis of baked green tea and process to steam green grass or young crops, and the green tea powder directly is that the chlorophyll total amount is below 3% about 35 microns mostly.
2, raw material difference: smear the fair higher of tea raw material, at first can be nuisanceless breeding tea or cover down tea, as amino acid, protein, chlorophyll content height, Tea Polyphenols, content of caffeine be low.And plucking time, blade size to bright leaf are also very exquisite; The green tea powder is to be made with common bright leaf or dried tea, and run-of-the-mill is low and assorted.
3, taste difference: smear tea delicate fragrance, tasty and refreshing, grass smell slightly, fresh taste is simple and tasteful; Generally speaking, the amino acid of green tea powder, protein, chlorophyll content are lower, and Tea Polyphenols, content of caffeine are higher.Odor type is assorted and impure, or the delicate fragrance deficiency, or Li Xiang has a surplus.The flavour bitter taste is heavier, does not smear the delicate fragrance of the pure and mild distinctive slightly green grass gas of the sort of aquatic foods of tea.
4, class difference: smear the Camellia medium and high-grade goods; The green tea powder is generally low-grade.
5, use difference: smear tea product and be widely used, the green tea powder is used narrow.Smear tea and be widely used in all conglomeraties such as food additives (as smear the tea ice cream, smear boheic acid milk, smear tea milk, smear the tea moon cake, smear tea candies, smear tea fruit and freeze etc.), medicine intermediate, beverage, cosmetics, tea ceremony; The portioned product of industries such as the green tea powder then can only be used to cure mostly, low-grade cold food.
Beneficial effect:
(1) expection economic benefit: be example only with 500 mu of economic benefits of independently smearing the new breeding of tea base.
The productivity effect of top famous-brand and high-quality tea: smear the new breeding of tea and pluck year, 40 kilograms every mu of top famous-brand and high-quality tea, 500 mu of meters of area are produced 20000 kilograms of top famous-brand and high-quality nuisanceless green tea according to plan, and per kilogram is by 3000 yuan, 60,000,000 yuan of incomes from sales.
The productivity effect of smearing tea processing high grade raw material is provided: every mu by 400 kilograms of bright leaves (the bright leaf of 3-6 leaf), 6 yuan of purchasing price per kilograms, and 500 mu of meters of area according to plan, bright leaf is taken in 1,200,000 yuan.
Only selling with the brand raw material is example, and income from sales is: 50 tons of * 150,000=7,500,000 yuan.
Smear the new returns that the caffein deep processing brings to the tea grower: 50 tons the bright leaf of smearing 200 tons of tea needs, in 6 yuan on the bright leaf of per kilogram, the tea grower increases income 2400 yuan for every mu, counts 1,200,000 yuan.
(2) Yu Qi social benefit:
1, carried forward Chinese national cultural.Tea set is smeared by China the history in more than 1700 year, is the main flow form of tea culture in ancient times.Tea ceremony is exactly to smear in ancient times on the basis of tea tea ceremony to grow up.It is a wonderful work in the Chinese traditional culture that tea culture is smeared by China.
2, broken the monopolization that tea is smeared in Japanese production.China is the motherland of tea, also is the native place of smearing tea simultaneously, and China smears the succession of tea and deduces, and has broken the monopolization that tea is smeared in Japanese production, has increased a new product with industrialization simultaneously in China's tea category, for society provides a kind of healthy new element.
3, the processing of tealeaves primary product is labour intensive industry; help receiving a large amount of surplus labors, the pollution-free tea production base has multiple functions such as ecology, sightseeing, tourism again, helps protecting environment; ensure food safety, realize the sustainable development of agricultural.
4, promote the level of security of tea products.Developing nuisanceless, mass type agriculture is change to China's tradition scalar type agricultural, is that China's economic development enters the inevitable requirement that the new stage agricultural structure is adjusted.Smear the tea processing request and select nuisanceless raw material for use, this will be connected mutually with the pollution-free tea production technology, help controlling that the tealeaves middle peasant is residual, copper, lead content, and the level of security that promotes tea products has positive role, promotes the development that nuisanceless tealeaves is produced.
5, promote the competitiveness of local characteristic product, increase foreign exchange earnings from exports in the international market.Tealeaves is China's tradition exported product, but in recent years because of the variation of exterior market condition and consumption structure, tea export descends always, nuisanceless type is smeared tea and subsequent product novel form, and the characteristic distinctness is good for health, be beneficial to the lifting consumption level, be beneficial to and explore world market, regenerate state's tea strong wind.Help reducing of the pollution of Tea Production process, strengthen the protection consciousness of vast Tea Production person, realize the sustainable development of agricultural environment to environment.Calendar year 2001, European Union reduced the Pesticide Residue standard of farm imports once more significantly, the persticide residue of the regulation that newly sets up standard is original 1/10-1/100, causing for China's tea export has a strong impact on, Japan has also proposed more harsh requirement to the agricultural product of China's immigration, for adapting to this variation, must accelerate the production of nuisanceless tealeaves, develop the high-grade tealeaves deep processed product of variation, improve the international competitiveness and the capacity to earn foreign exchange through exports of our province tealeaves.
6, help the adjustment of rural area tealeaves structure and the comprehensive utilization exploitation of mountain resource.The guiding peasant is in a planned way developed the industrial crops that are fit to the mountain area, such as development clone breeding tea is exactly an efficient industry that the less investment income is fast, the bud head of choiceness tea tree can be produced well-known tea, the bright leaf of remaining 3-6 leaf also can be produced high-quality, the commercioganic green tea powder of smearing tea and some by technical breakthrough, improves the overall efficiency of Tea Production greatly.
The present invention, be used for Nanjing Wei Erkang bioengineering Co., Ltd China in 2003 and smear tea production, obtained the approval in market, become more domestic regional brand food enterprises such as restaurant, Nanjing, Nanjing, Nanjing spun gold profit, Hangzhou You Kang, Shenzhen Hai Chuan, Jiangxi masses, Shanghai Japan and liked the fixed point supply unit of enterprises such as cherry, Bel be many, obtained favorable economic benefit and social benefit.Now just smear the tea milk beverage, smear tea soymilk project with light, Wanda Mountain, the negotiation cooperative development of Wei Wei renowned company.The tea powder production technology of Nanjing Wei Er Kanggong department is on the leading domestic level at present, and its price only is about 30% of a japanese product price.Therefore Nanjing Wei Er Kanggong department obtains Jiangsu Province Science and Technology Department " tackling of key scientific and technical problems " project in 2003, obtains Jiangsu Province in 2004 the Nanjing agricultural office special fund project of supporting agriculture.
Description of drawings:
Fig. 1 is two structural representations that roll steam inactivation machine.
Fig. 2 is the structural representation of air-dry machine.
Fig. 3 is the structural representation of boiling type dryer.
The specific embodiment:
The invention will be further described below in conjunction with embodiment:
Embodiment 1:
Tea place: the reddish brown tea plantation of setting, Nanjing, time: May 10, raw material: clone breeding---4.5 kilograms on the bright leaf of " farming is early anti-" monolithic.
Concrete production method and process are as follows:
Elder generation's cool breeze was blown bright leaf 5～10 minutes, entered double speed cylinder type water-removing machine of the present invention (as Fig. 1) again and completed for 45 seconds, and when steam pressure was 3.5 kilograms, vapor (steam) temperature was about 125 ℃; With frozen water cooling 15 seconds, enter dewaterer (the TS15 food dewaterer that Guangzhou kind Yu's food machinery Co., Ltd produces) and dewatered 1～2 minute afterwards; It is air-dry to adopt air-dry machine of the present invention (as Fig. 2) upward to carry out with natural wind again, rubs 5 minutes cool breeze 15 minutes simultaneously with have gentle hands.
Adopt boiling type dryer of the present invention (as Fig. 3) oven dry 13～15 minutes, temperature is controlled at about 95 ℃, control moisture content to 7%～8%; Tealeaves after the oven dry is rubbed the fractionlet that becomes to be approximately 0.5～1.5cm with have gentle hands, enter grading machine (the 260 type static grading machines that Shaoxing Tea Machinery General Factory produces) again and removed stem 5 minutes; The YQ14S-03 type microwave drying sterilization machine that goes cauline leaf to adopt Nanjing blue or green forever food hi-tech development Co., Ltd to produce is dried sterilization, sterilization temperature is 80 ℃, belt speed is 900 rev/mins, the laying depth of tealeaves on crawler belt is 1cm, sterilization 3 minutes, moisture content is that 3～5% strip is ground tea for 1.2 kilograms.
Stone roller tea after the sterilization is put into pulverizer (the FL-180 type self-cooled pulverizer that size reduction machinery Co., Ltd of Jiangyin gold section produces) pulverize, control meal particle diameter is 80 orders.The meal that makes enters fluid bed supersonic jet mill (the TC-10 type fluid bed supersonic jet mill that Nanjing temmoku ultramicrotechnique research and development Co., Ltd produces) again, pressure is controlled at 0.65Mpa, when the grader rotating speed is 2030 commentaries on classics, gets 800 orders～1000 orders and smear tea; When the grader rotating speed is 2610 commentaries on classics, get 2300 orders～2500 orders and smear tea, must smear about 1 kilogram of tea at last.
The index of smearing tea (%) that above step makes: chlorophyll total amount 3.27, moisture content 4.35, Tea Polyphenols 18.5, caffeine 2.89, protein 23.1, amino acid 3.23, soluble protein 6.50, Pb (mg/kg) 1.56, Cu (mg/kg) 6.57, total plate count is less than 1000.
Embodiment 2:
As shown in Figure 1, double speed drum-type steam inactivation machine of the present invention is to produce the equipment that completes used in the tea process of smearing, it comprises steam oven 1, cabinet 2, cylinder 3, roll rake 4 and steam pipe 5, roll rake 4 and comprise rotating shaft 6 and blade 7, the two all is arranged in the cabinet 2 with rolling rake 4 for cylinder 3, roller sleeve is contained in and rolls on the rake axle, the two realizes that by transmission mechanism differential rotates, the two can realize transmission by one group of motor and differential gear, also can be by motor 14 among two groups of motors such as the figure, motor 15 realizes that differential rotates, the rotating speed of cylinder 3 can be 45 rev/mins, and the rotation of rolling rake 4 can be 90 rev/mins.Cylinder 3 perisporiums are the net grid or have some pore formula structures and be provided with a body; Steam pipe 5 is installed in cylinder 3 tops in the cabinet 2, have row's jetted hole 8 on the perisporium of itself and cylinder 3 relative position sides, the admission end of steam pipe 5 is communicated with steam oven 1 by tube connector 9, the steam output end sealing, and jetted hole 8 becomes big gradually by admission end to steam output end aperture; The top cover 11 of cabinet 2 is renovated for the arc opening type of last convex, top cover 11 is provided with exhaust hole, and bottom is provided with guiding gutter 13, and guiding gutter 13 is set to be convenient to the inclined plane of discharging, the delivery port place of guiding gutter 13 is provided with capping 12, and the bottom of cabinet 2 is provided with bracing frame 16.
Double speed drum-type steam inactivation machine of the present invention, the steam pressure of steam oven 1 is about 4 kilograms, about 125 ℃ of temperature.Open the top cover 11 of cabinet 2 when completing earlier, by the door body of cylinder 3 cylinder 3 of packing into, start is opened steam valve 10 after rotating with the tealeaves preparing to complete, steam is from jetted hole 8 ejections of steam pipe 5, and spray in the cylinder 3 by cylinder 3 perisporium net grid holes or steam vent, the tealeaves in the cylinder 3 are completed, cylinder 3, roll rake 4 and constantly rotate, roll rake 4 and stir tealeaves, roll the rotating speed of the rotating speed of rake 4, completed 45 seconds, realized evenly completing of tealeaves greater than cylinder 3.Cabinet 2 top covers 11 adopt arcwall face, can enlarge cabinet 2 inner spaces, help emerging of water vapour.The guiding gutter 13 of cabinet 2 bottoms adopts is convenient to the inclined plane that water flows out, and water vapour constantly liquefies in the process that completes, and flows into guiding gutter 13, opens the door body of cylinder 3 after completing, and opens 12 tealeaves and the water that get final product after will completing that seal of guiding gutter 13 again and emits simultaneously.
Embodiment 3:
As shown in Figure 2, air-dry machine of the present invention is to smear air-dry used equipment in the tea production process, it comprises blower fan 17, guide duct 18, wind deflector 19 and bellows 23, the end face 21 of bellows 23 is a gridiron structure, be provided with baffle plate 22 all around, the air inlet that is positioned at bellows 23 sides is communicated with blower fan 17 by guide duct 18, and is provided with one at the air inlet place of bellows 23 and arranges wind deflector 19, is provided with and is connected with the dividing plate 20 suitable with bellows 23 between the top of the bottom of side of air inlet and its opposite flank.It is positioned at the wind deflector 19 parallel to each other and settings that are inclined upwardly of bellows 23 air inlet positions air-dry machine, and the inclination alpha of they and horizontal plane preferably gets 45
About, the bottom surface of air-dry machine is provided with bracing frame 24.
The air-dry machine of the present invention's design, in the use, tealeaves after the dehydration is spread on the grating type end face 21 of air-dry machine, open blower fan 17, on the tilt clapboard 20 of the wind that blower fan 17 blows out in wind deflector 19 blows to cabinet 23, with the wind direction adjustment, again on the tealeaves that wind is blowed to equably, wind-force relatively relaxes, evenly like this.In the time of air-dry, adopt artificial or machine gently to rub tealeaves on the end face again, air-dry like this effect can be better.
Embodiment 4:
As shown in Figure 3, boiling type dryer of the present invention is to smear drying plant used in the tea production process, it comprises blower fan 25, heater 26, guide duct 27 and baking oven 28, the outlet of blower fan 25 is communicated with the inlet of heater 26, the outlet of heater 26 is communicated with the bottom surface of baking oven 28 by guide duct 27, guide duct 27 is provided with wind-force control valve 30, the casing of baking oven 28 is provided with charging aperture and discharging opening, the bottom surface 29 of baking oven 28 is a fluidized-bed structure, bell mouth shape and end face that top 31 is upwards expansion are provided with venthole, and the top of fluid bed is provided with and stirs roller 32 in the baking oven 28.Stir roller 32 and comprise rotating shaft 33 and be arranged at rake teeth 34 in the rotating shaft 33 that rotating shaft 33 is adopted manually or the motor transmission.The end face of baking oven 28 is the net grid or is provided with some apertures.
When boiling type dryer of the present invention uses; put into tealeaves on the fluid bed of baking oven 28 bottom surfaces 29 from the charging aperture of baking oven 28; be blown into hot blast; rotating shaft 33 is by driving motor 35 and speed changer transmission; begin the tealeaves on the baking oven bottom surface 29 is stirred; under the tipping effect of hot blast and rake teeth 34, accelerated the rate of drying of tealeaves, can also protect the original color and luster of tealeaves simultaneously.Tealeaves moisture content after the oven dry is generally 7～10%.
Get 10 kilograms of pollution-free fresh tea passes, first cool breeze was blown bright leaf 5～10 minutes, entered double speed cylinder type water-removing machine of the present invention again and completed for 60 seconds, and when steam pressure was 3 kilograms, vapor (steam) temperature was about 105 ℃; With frozen water cooling 10 seconds, the TS15 food dewaterer that enters Guangzhou kind Yu's food machinery Co., Ltd production dewatered 1～2 minute afterwards; Adopt again and carry out air-dryly on the air-dry machine of the present invention with natural wind, rubbed 5 minutes cool breeze 10 minutes simultaneously with have gentle hands.
Adopted boiling type drying machine drying of the present invention 15～18 minutes, temperature is controlled at about 80 ℃, control moisture content to 9%～10%; Tealeaves after the oven dry is rubbed the fractionlet that becomes to be approximately 0.5～1.5cm with have gentle hands, and the 260 type static grading machines that enter Shaoxing Tea Machinery General Factory's production again removed stem 5 minutes; The YQ14S-03 type microwave drying sterilization machine that goes to adopt Nanjing blue or green forever food hi-tech development Co., Ltd to produce behind the cauline leaf is dried sterilization, sterilization temperature is 75 ℃, belt speed is 600 rev/mins, the laying depth of tealeaves on crawler belt is 0.5cm, sterilization 4 minutes, moisture content is that 4% strip is ground tea for 2.6 kilograms.
Stone roller tea after the sterilization is put into the FL-180 type self-cooled pulverizer of Jiangyin size reduction machinery Co., Ltd of gold section production and pulverized, control meal particle diameter is about 60 orders.The meal that makes enters the TC-10 type fluid bed supersonic jet mill that Nanjing temmoku ultramicrotechnique research and development Co., Ltd produces again, and pressure is controlled at 0.6Mpa, when the grader rotating speed is 2030 commentaries on classics, gets 800 orders～1000 orders and smears tea; When the grader rotating speed is 2610 commentaries on classics, get 2300 orders～2500 orders and smear tea, must smear about 2.3 kilograms of tea at last.
The index of smearing tea (%) that above step makes: chlorophyll total amount 3.07, moisture content 3.48, Tea Polyphenols 22.5, caffeine 2.9, protein 24.6, amino acid/11 .2, Pb (mg/kg) 1.43, Cu (mg/kg) 6.38, total plate count is less than 1000.
Embodiment 6
Get 10 kilograms of pollution-free fresh tea passes, first cool breeze was blown bright leaf 5～10 minutes, entered double speed cylinder type water-removing machine of the present invention again and completed for 30 seconds, and when steam pressure was 5 kilograms, vapor (steam) temperature was about 195 ℃; With frozen water cooling 15 seconds, the TS15 food dewaterer that enters Guangzhou kind Yu's food machinery Co., Ltd production dewatered 1～2 minute afterwards; Adopt again and carry out air-dryly on the air-dry machine of the present invention with natural wind, rubbed 5 minutes air-dry 20 minutes simultaneously with have gentle hands.
Adopted boiling type drying machine drying of the present invention 10～12 minutes, temperature is controlled at about 125 ℃, control moisture content to 8%～9%; Tealeaves after the oven dry is rubbed the fractionlet that becomes to be approximately 0.5～1.5cm with have gentle hands, and the 260 type static grading machines that enter Shaoxing Tea Machinery General Factory's production again removed stem 5 minutes; The YQ14S-03 type microwave drying sterilization machine that goes to adopt Nanjing blue or green forever food hi-tech development Co., Ltd to produce behind the cauline leaf is dried sterilization, sterilization temperature is 80 ℃, belt speed is 900 rev/mins, the laying depth of tealeaves on crawler belt is 1.5cm, sterilization 5 minutes, moisture content is that 3～5% strip is ground tea for 2.1 kilograms.
Stone roller tea after the sterilization is put into the FL-180 type self-cooled pulverizer of Jiangyin size reduction machinery Co., Ltd of gold section production and pulverized, control meal particle diameter is about 125 orders.The meal that makes enters the TC-10 type fluid bed supersonic jet mill that Nanjing temmoku ultramicrotechnique research and development Co., Ltd produces again, and pressure is controlled at 0.8Mpa, when the grader rotating speed is 2030 commentaries on classics, gets 800 orders～1000 orders and smears tea; When the grader rotating speed is 2610 commentaries on classics, get 2300 orders～2500 orders and smear tea, must smear about 2.2 kilograms of tea at last.
The index of smearing tea (%) that above step makes: chlorophyll total amount 3.10, moisture content 3.97, Tea Polyphenols 17.3, caffeine 2.70, protein 22.9, amino acid/11 .95, Pb (mg/kg) 1.51, Cu (mg/kg) 6.31, total plate count is less than 1000.
Claims (6)
1, a kind of production method of smearing tea comprises following processing step:
Select leaf: choose the breeding fresh tea passes that suitable system is smeared tea;
Removing green gas: blew bright leaf 5～10 minutes with cool breeze earlier, spreading for cooling is 2～3 hours again;
Complete: enter double speed drum-type steam inactivation machine, the structure of described double speed drum-type steam inactivation machine comprises steam oven, cabinet, cylinder, rolls rake and steam pipe, roll rake and comprise rotating shaft and blade, the two all is arranged in the cabinet cylinder with rolling rake, roller sleeve is rolling on the rake axle, the two realizes that by transmission mechanism differential rotates, and the cylinder perisporium is the net grid or has some pore formula structures and be provided with a body; Steam pipe is installed in cylinder top in the cabinet, its with the perisporium of cylinder relative position side on have row's jetted hole, the air inlet of steam pipe is communicated with steam oven by tube connector, steam output end seals, jetted hole becomes big gradually by inlet end to steam output end aperture; The top cover of cabinet is provided with exhaust hole, and bottom is provided with guiding gutter, and the delivery port place of guiding gutter is provided with capping; 3～5 kilograms of steam pressures, 105～198 ℃ of temperature completed 30～60 seconds;
Cooling: tealeaves was cooled off 10～15 seconds with frozen water;
Dehydration: enter in the dewaterer and dewatered 1～2 minute;
Air-dry: as to enter on the air-dry machine air-dry 10～20 minutes again;
Oven dry: adopt the boiling type dryer, described boiling type dryer comprises blower fan, heater, guide duct and baking oven, the outlet of blower fan is communicated with the inlet of heater, the outlet of heater is communicated with the bottom surface of baking oven by guide duct, guide duct is provided with the wind-force control valve, and the casing of baking oven is provided with charging aperture and discharging opening, and the bottom surface of baking oven is a fluid bed, the top is upwards to be expanded bell mouth shape and is provided with venthole, and the top of fluid bed is provided with and stirs roller in the baking oven; Dried 10～20 minutes, oven temperature is 75～130 ℃, and the control moisture content is 7～10%;
Remove stem: the tealeaves after will drying is earlier rubbed and is fragmentated, and enters grading machine then and goes stem to handle;
Sterilization: adopt the microwave drying sterilization machine to carry out sterilization, sterilization temperature is 70～80 ℃, sterilizing time 2～6 minutes, moisture content is that 3～5% strip is ground tea; With
Pulverize: be crushed to the thick tea powder of 60～130 orders through initial crusher earlier; Adopt ultrafine crusher to pulverize again, make 800～2500 orders and smear tea.
2, according to the described production method of smearing tea of claim 1, wherein, select leaf to choose the suitable system of nuisanceless, clone and smear the bright leaf of tea breeding, adopt machine or the manual tealeaves that rubs in the time of air-dry.
3, according to the described production method of smearing tea of claim 1, wherein microwave drying sterilization machine belt speed is 600～900 rev/mins, and the laying depth of tealeaves on crawler belt is 0.5～1.5cm; Wherein the admission pressure of ultrafine crusher is 0.6～0.8Mpa, and the classification rotating speed is 2030～2610 rev/mins.
4, according to the described production method of smearing tea of claim 1, the top cover that it is characterized in that cabinet in the double speed drum-type steam inactivation machine is presented the arc of convex and is renovated, and the guiding gutter of bottom is set to be convenient to the inclined plane of discharging.
5,, it is characterized in that stirring in the boiling type dryer roller and comprise rotating shaft and be arranged at rake teeth in the rotating shaft that rotating shaft is adopted manually or the motor transmission according to the described production method of smearing tea of claim 1.
6, according to the described production method of smearing tea of claim 1, the end face that it is characterized in that baking oven in the boiling type dryer is the net grid or is provided with some apertures.
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| CN 200410065961 CN1283164C (en) | 2004-12-28 | 2004-12-28 | Production method of Mocha tea and special equipment thereof |
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| CN108812968A (en) * | 2018-07-24 | 2018-11-16 | 浙江华茗园茶业有限公司 | One kind smearing tea preparation process |
| CN108812967A (en) * | 2018-07-24 | 2018-11-16 | 浙江华茗园茶业有限公司 | Smear tea production technology |
| CN108850294A (en) * | 2018-07-24 | 2018-11-23 | 浙江华茗园茶业有限公司 | A kind of production technology for smearing tea |
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