CN105325578A - Roasted green tea production line - Google Patents
Roasted green tea production line Download PDFInfo
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- CN105325578A CN105325578A CN201510608665.5A CN201510608665A CN105325578A CN 105325578 A CN105325578 A CN 105325578A CN 201510608665 A CN201510608665 A CN 201510608665A CN 105325578 A CN105325578 A CN 105325578A
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Abstract
The invention discloses a roasted green tea production line. A first upending mechanism comprises an obliquely arranged first material distribution plate, the height of the first material distribution plate gradually increases along the conveying direction of a first drying conveyor belt or a second drying conveyor belt, and the plate surface of the first material distribution plate intersects with falling paths of tea leaves at the discharge ends of the first drying conveyor belt and the second drying conveyor belt; the oblique angle of the first material distribution plate is 45-60DEG, and a spacing between the lower end of the first material distribution plate and the conveying surface of the drying conveyor belt adjacent to the lower side of the first material distribution plate is 2.5-3.5cm; roller enzyme deactivation is carried out as primary enzyme deactivation to realize tea aroma forming and non-enzymatic chemical reaction promoting, so the quality of a tea soup is promoted, the tea soup is mellow, fresh and brisk, and the tea is developed to form chestnut aroma; and microwave enzyme deactivation is carried out as secondary enzyme deactivation to realize tea color improvement and maintenance, so the color of the finished tea is dark green and bright.
Description
Technical field
The present invention relates to Tea Production apparatus field, be specifically related to a kind of roasted green tea production line.
Background technology
Yuexi abounds with green tea, wherein famous with Yuexi Cuilan tea, and there are the following problems in current Yuexi Cuilan tea production:
1, because Urbanization Construction is implemented and the discharge of industrial waste gas, boundless and indistinct in air have a large amount of dusts and harmful substance, these harmful substances meeting sedimentation is attached on the surface of tea tree tender leaf, tender leaf is directly processed after being plucked, and people do not carry out cleaning (specialty sample tea except), therefore a large amount of harmful substance is drunk.At present, scald green grass or young crops and operate in the new process for processing of Yuexi Cuilan tea by adopting, to wash away the harmful substance on tealeaves surface, but boiling hot blue or green equipment used at present also cannot realize the abundant cleaning of tealeaves and tealeaves to carry out evenly scalding blue or green.
2, in modern streamline Tea Production system, general employing cylinder completes to tealeaves, but easily there is the phenomenon of complete uneven, red stalk, Jiao Bianjiaoye in roller fixation, affect the quality of finished tea, also the technique adopting microwave de-enzyming to carry out alternative roller fixation is had, although microwave de-enzyming is even, but the brewed millet paste of its obtained finished tea is not as the mellow of roller fixation and freshly feel well, that is the poor quality of millet paste, be therefore necessary to take into account both that improve tea product and millet paste and a kind of mode that completes newly is provided.
Summary of the invention
Object of the present invention is just to provide a kind of roasted green tea production line, and it at least effectively can solve an above-mentioned problem, promotes the quality of tealeaves.
A kind of roasted green tea production line, it is characterized in that: comprise the boiling hot blue or green device for carrying out scalding green grass or young crops to tealeaves be connected sequentially, for the airing device dried tealeaves, for carrying out the roller fixation device that one-level completes to tealeaves, for carrying out the first spreading for cooling device of one-level spreading for cooling to tealeaves, for carrying out the microwave green-killing device that secondary completes to tealeaves, for the kneading machine kneaded tealeaves, for the roasting machine stir-fried to tealeaves, and the drying unit for drying tealeaves, microwave green-killing device comprises the 3rd casing, be provided with horizontally disposed upper up and down in 3rd casing, lower conveyer belt, on, the throughput direction of lower conveyer belt is identical, the delivery end of upper conveyor belt and the feed end of lower conveyer belt are positioned at the inside of the 3rd casing, the feed end of upper conveyor belt and the discharge end of lower conveyer belt extend to the outside in the 3rd tank ends portion respectively, upper conveyor belt delivery end extends to the inner side of lower conveyer belt feed end, horizontally disposed air gathering plate and air distribution plate is provided with in 3rd casing, air gathering plate is positioned at the upside of upper conveyor belt, air distribution plate is positioned at the downside of lower conveyer belt, air gathering plate and air distribution plate are orifice plate and form, on, microwave generator is provided with between lower conveyer belt, the upper roof of the 3rd casing and lower diapire arrange collection air port and air outlet respectively, be connected by air delivery pipe between collection air port and air outlet, air delivery pipe is provided with dehumidifier and the 3rd blower fan, the arranged outside of upper conveyor belt delivery end has the material rotating plate be in tilted layout, the height of material rotating plate near upper conveyor belt one end is less than the height of the other end, material rotating plate is arranged with tealeaves is crossing in the path that upper conveyor belt delivery end falls, the angle of inclination of material rotating plate is 45 ~ 60 °, and the spacing between the lower end of material rotating plate and the conveyor surface of lower conveyer belt is 2.5 ~ 3.5cm, the delivery end of upper conveyor belt is also provided with airduct, upper conveyor belt comprises upper conveyor belt body and lower conveying belt body, airduct between upper and lower conveying belt body and airduct arrange along the width range of upper conveyor belt, airduct is connected with air jet system, the pipe shaft of airduct is arranged at intervals with for jet air nozzle, the blowing direction of air nozzle is obliquely and the side pointed near material rotating plate, drying unit comprises the first oven dry casing, be provided with in first oven dry casing, lower parallel positioned opposite for carrying first of tealeaves, two, three dry conveyer belt, second two ends of drying conveyer belt are all positioned at drying unit, the feed end of the first delivery end and the 3rd oven dry conveyer belt of drying conveyer belt is all positioned at the inside of the first oven dry casing, the discharge end of the first feed end and the 3rd oven dry conveyer belt of drying conveyer belt extends to the outside at drying unit both ends respectively, the first horizontally disposed collector plate and the first cloth stream plate is provided with in first oven dry casing, first collector plate is positioned at the upside of the first oven dry conveyer belt, first cloth stream plate is positioned at the downside that the 3rd dries defeated band, first, two, three downsides of drying conveyer belt are respectively arranged with the first homogenizing plate, the upper face of the first homogenizing plate evenly arranges the first electric heating tube, first collector plate, first cloth stream plate, first homogenizing plate is orifice plate and forms, first, two outsides of drying conveyer belt delivery end are respectively arranged with the first material stirring-up mechanism tealeaves being carried out to stirring, first material stirring-up mechanism comprises the first drapery panel be in tilted layout, the height of the first drapery panel dries conveyer belt along first or the second throughput direction of drying conveyer belt increases gradually, the plate face of the first drapery panel respectively with tealeaves first, layout is intersected in two paths of drying conveyer belt delivery end whereabouts, the angle of inclination of the first drapery panel is 45 ~ 60 °, the lower end of the first drapery panel is 2.5 ~ 3.5cm apart from the spacing of the conveyor surface of adjacent oven dry conveyer belt on the downside of it, first, two delivery ends of drying conveyer belt also arrange the first tracheae respectively, first tracheae is respectively along first, two width ranges of drying conveyer belt are arranged, first tracheae is connected with the first air-blowing device, the pipe shaft of the first tracheae is arranged at intervals with for the first jet valve, the blowing direction of the first valve is obliquely and the side pointed near the first drapery panel lower end, first drapery panel is that wave-shape board is formed.
In technique scheme, by being used in conjunction of microwave green-killing device and roller fixation device, when scalding blue or green, cleaning is carried out to tealeaves and elementary completing carries out fixation; Roller fixation carries out one-level and completes shaping for tea aroma and promote non-enzymatic chemical reaction, promotes millet paste quality, makes millet paste mellow, fresh refreshing, makes tealeaves develop into Li Xiang simultaneously; Microwave de-enzyming carries out secondary and completes, and carries look and Bao Se for tealeaves, make the color of finished tea dark green, moisten bright.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of microwave de-enzyming machine;
Fig. 3 is the structural representation of boiling hot blue or green machine;
Fig. 4 is the structural representation of hot-water line;
Fig. 5 is the structural representation of boiling hot blue or green carrier pipe;
Fig. 6 is the schematic diagram of foraminous conveyer feed end;
Fig. 7 is inner bellows structural representation;
Fig. 8 is the schematic diagram of foraminous conveyer discharge end;
Fig. 9 is the structural representation of cloth materials and parts;
Figure 10 is that hot water circuit utilizes schematic diagram;
Figure 11 is the structural representation of drying unit;
Figure 12 is the side view of the first drapery panel.
Detailed description of the invention
In order to make objects and advantages of the present invention clearly understand, below in conjunction with embodiment, the present invention is specifically described.Should be appreciated that following word only in order to describe one or more concrete embodiments of the present invention, considered critical is not carried out to the protection domain that the present invention specifically asks." heart yearn " described below all refers to the center line of these parts.
The invention provides a kind of green tea production equipment, as shown in Figure 1, comprise the boiling hot blue or green device 10 for carrying out scalding green grass or young crops to tealeaves be connected sequentially, for the airing device 20 dried tealeaves, for carrying out the roller fixation device 50 that one-level completes to tealeaves, for carrying out the first spreading for cooling device 41 of one-level spreading for cooling to tealeaves, for carrying out the microwave green-killing device W10 that secondary completes to tealeaves, for the kneading machine 60 kneaded tealeaves, for the roasting machine 90 stir-fried to tealeaves, and the drying unit 70 for drying tealeaves.Roasting machine 90 is drum-type tea roasting machine, and roller fixation device 50, kneading machine 60, drying unit 70 all can adopt the existing tea machine equipment with identical function to use, and between neighboring devices, tealeaves conveying can adopt conveyer belt and/or manually transport.By being used in conjunction of microwave green-killing device W10 and roller fixation device 50, when scalding blue or green, cleaning being carried out to tealeaves and elementaryly to complete, fixation is carried out to tealeaves; The roller fixation one-level of carrying out in short-term completes shaping for tea aroma and promotes non-enzymatic chemical reaction, promotes millet paste quality, makes millet paste mellow, fresh refreshing, makes tealeaves odor type develop into Li Xiang shape simultaneously; Microwave de-enzyming carries out secondary and completes, and carries look and Bao Se for tealeaves, make the color of finished tea dark green, moisten bright.Microwave green-killing device specifically adopts as shown in Figure 2, comprise the 3rd casing, positioned opposite upper of upper and lower level is provided with in 3rd casing, lower conveyer belt W11a, W11b, on, lower conveyer belt W11a, the throughput direction of W11b is identical, the delivery end of upper conveyor belt W11a and the feed end of lower conveyer belt W11b are positioned at the inside of the 3rd casing, the feed end of upper conveyor belt W11a and the discharge end of lower conveyer belt W11b extend to outside the both ends of the 3rd casing respectively, the delivery end of upper conveyor belt W11a extends to the inner side of lower conveyer belt W11b feed end, horizontally disposed air gathering plate W13 and air distribution plate W14 is provided with in 3rd casing, air gathering plate W13 is positioned at the upside of upper conveyor belt W11a, air distribution plate W14 is positioned at the downside of lower conveyer belt W11b, air gathering plate W13 and air distribution plate W14 is orifice plate and forms, on, lower conveyer belt W11a, microwave generator W12 is provided with between W11b, the upper roof of the 3rd casing and lower diapire arrange collection air port W15 and air outlet W16 respectively, be connected by air delivery pipe between collection air port W15 and air outlet W16, air delivery pipe is provided with dehumidifier and the 3rd blower fan.Due to when microwave de-enzyming, the moisture in tealeaves can distribute, and is therefore extracted to remove by the steam of generation by arranging the 3rd blower fan, simultaneously by dried hot-air delivering in the 3rd casing, economize energy and promote the dehydration rate of tealeaves.Upper conveyor belt, lower conveyer belt all select the plastics guipure of food-grade to form, and avoid absorbing microwave and ensureing food security.
In addition, the arranged outside of upper conveyor belt W11a delivery end has the material rotating plate W18 be in tilted layout, the height of material rotating plate W18 near upper conveyor belt W11a one end is less than the height of the other end, material rotating plate W18 and tealeaves are arranged the path that upper conveyor belt W11a delivery end falls is crossing, the lower end of material rotating plate W18 and the barrier-like layout of conveyor surface of lower conveyer belt W11b.Although microwave de-enzyming can heat uniformly to tealeaves, but tealeaves bottom attaches mutually with conveyer belt, tealeaves bottom is made cannot scatter rapidly by the steam of thermal evaporation, therefore upper and lower conveyer belt W11a, W11b and material rotating plate W18 are set, by tealeaves upper and lower pass between conveyer belt W11a, W11b time, stirring is carried out to tealeaves, the top and bottom of tealeaves are exchanged, ensure that the steam of tealeaves evaporation can effectively leave, avoid ponding on conveyer belt affect tea leaf quality and promote tea microwave de-enzyming effect.Preferably the angle of inclination of material rotating plate W18 is set to 45 ~ 60 °, the spacing between the lower end of material rotating plate W18 and the conveyor surface of lower conveyer belt W11b is 2.5 ~ 3.5cm.Secondly, the delivery end of upper conveyor belt W11a is also provided with airduct W17, upper conveyor belt W11a comprises upper conveyor belt body and lower conveying belt body, airduct W17 between upper and lower conveying belt body and airduct arrange along the width range of upper conveyor belt W11a, airduct W17 is connected with air jet system, the pipe shaft of airduct W17 is arranged at intervals with for jet air nozzle, the blowing direction of air nozzle is obliquely and the side pointed near material rotating plate W18.Arranging of airduct W17 can make the tealeaves on upper conveyor belt can drop down onto on lower conveyer belt, secondly can promote the effect of tealeaves stirring, ensure that all tealeaves all completes rotary movement as far as possible.
Scald blue or green device 10 as Fig. 3, shown in 4, comprising vertical shape arranges for adding the hopper 12 of tealeaves and installing the frame 11 of hopper 12, internal face at the bottom of the bucket of hopper 12 is hemispheric arcwall face, the center of curvature of arcwall face is positioned at hopper oral area side, the lowest part of arcwall face is provided with discharging interface 122a, hopper 12 rotates around its heart yearn and is fixed in frame 11, hopper 12 is connected with its first driving mechanism carrying out rotating of driving, the oral area of hopper 12 is provided with hot-water line 121, hot-water line 121 is that the body of inverted cone zigzag shape is formed, the lower end of hot-water line 121 is shutoff shape, the hypomere of hot-water line 121 to be plugged in hopper 12 and hot-water line 121 be positioned at hopper 12 pipe shaft on interval set out water hole 121a, the water outlet direction of apopore 121a is the interior sidewall surface pointing to hopper 12 obliquely, the downside of hopper 12 is provided with boiling hot blue or green carrier pipe 13, the upper end and the discharging interface 122a that scald blue or green carrier pipe 13 form to be rotatably assorted around the heart yearn of hopper 12 and are connected, boiling hot blue or green carrier pipe 13 and hot-water line 121 are fixed in frame, the upper end of hot-water line 121 is connected with hot-water cylinder and is connected, adjacent upper on hot-water line 121, lower two-layer apopore 121a is that interleaved shape is arranged.
Scald in blue or green device 10 by tealeaves being dropped in hopper 12, because the first driving mechanism drives hopper 12 together to rotate, the tealeaves fallen into like this in hopper 12 will enter boiling hot blue or green carrier pipe 13 with hot water is together spiral helicine from discharging interface 122a outflow, tealeaves can not be detained in hopper 12, ensure that all tealeaves can enter boiling hot blue or green carrier pipe 13 fast, the every sheet tealeaves entering boiling hot blue or green carrier pipe 13 is all surrounded by hot water and evenly carries out scalding green grass or young crops, thus improve boiling hot blue or green effect and shorten the boiling hot blue or green time, above-mentioned boiling hot blue or green machine is adopted to carry out scalding green grass or young crops to tealeaves, the time that tealeaves scalds green grass or young crops only needs 50 ~ 60s, avoid tealeaves to cross like this and scald blue or green and owe boiling hot blue or green, improve the color and luster of tealeaves and avoid the stripping of the benefit materials such as Tea Polyphenols, promote tea matter, simultaneously also very thorough to the cleaning of tealeaves.
Tealeaves scalds the blue or green time can by arranging the boiling hot length of blue or green carrier pipe 13 and the flow velocity of hot water controls, and it is consistent with the optimal transport flow in boiling hot blue or green carrier pipe 13 that the hot water in hopper 12 injects flow.From boiling hot blue or green carrier pipe 13 lower end, out tealeaves is separated by foraminous conveyer (screen cloth) with hot water, and after being separated, tealeaves dries rapidly and carries out next step operation.
Further scheme is, scalding blue or green carrier pipe 13 is that spiral helicine insulating tube is formed, as shown in Figure 5.Spiral helicine insulating tube can reduce the length of boiling hot blue or green carrier pipe 13, avoids tealeaves to block in boiling hot blue or green carrier pipe 13.In addition, can arrange gripper shoe at the periphery wall of hopper 12, gripper shoe is set up and is fixed in frame 11, gripper shoe consists of to be rotatably assorted with frame 11 ball connector and is connected, first driving mechanism can be motor and forms, and hopper 12 is connected with motor by belt, and motor drives hopper 12 to rotate.
For airing device 20, its technical scheme taked is as Fig. 6, 7, shown in 8, airing device 20 comprises horizontally disposed foraminous conveyer, feed end and the corresponding layout of the lower end discharging mouth of pipe 131 of scalding blue or green carrier pipe 13 of foraminous conveyer, scalding to be provided with between blue or green carrier pipe 13 and foraminous conveyer makes tealeaves evenly drop down onto cloth materials and parts 24 on foraminous conveyer along the bandwidth direction of foraminous conveyer, the middle part of foraminous conveyer is positioned at bellows 25, and foraminous conveyer comprises, first of lower layout, two guipures 21, 22, first, two guipures 21, water leg 23 is provided with between 22, water leg 23 layout corresponding with the blanking port of cloth materials and parts 24, bellows 25 are that the casing of strip is formed, the vacancy portion passed for foraminous conveyer is offered at the two ends of casing, the bottom of bellows 25 arranges air inlet pipe interface 251, the top of bellows 25 sets out air pipe interface 252, horizontally disposed air distribution plate 253 and gas collection plate 254 is also provided with in bellows 25, air distribution plate 253 and gas collection plate 254 are orifice plate and form, gas collection plate 254 is positioned at the upside of the first guipure 21, air distribution plate 253 is positioned at the downside of the second guipure 22, in bellows 25 first, two guipures 21, also first is provided with between 22, two tracheae 20a, 20b, first, two tracheae 20a, 20b lays respectively at two edge (two edge of throughput direction) of foraminous conveyer and arranges (that is first respectively along the throughput direction of foraminous conveyer, two tracheae 20a, the length direction of 20b is consistent with the throughput direction of foraminous conveyer), first, two tracheae 20a, the pipe shaft of 20b is arranged at intervals with the first air nozzle, the outgassing direction of the first air nozzle points to the middle part of foraminous conveyer obliquely, and first, two guipures 21, the 3rd tracheae 20c is also provided with between 22, 3rd tracheae 20c is positioned at the discharge end of foraminous conveyer and the width along foraminous conveyer is arranged, the pipe shaft of the 3rd tracheae 20c is arranged at intervals with the second air nozzle, the outgassing direction of the second air nozzle points to the side away from foraminous conveyer obliquely, air inlet pipe interface 251 and first, two, three tracheaes are all connected with the air outlet of the second blower fan.
Drop down onto on foraminous conveyer because tealeaves can not directly impact, therefore needing, cloth materials and parts 24 are set and carries out buffering cloth, prevent tealeaves impaired and tealeaves is evenly arranged at the bandwidth direction of foraminous conveyer.By passing into thermal current in the air inlet mouth of pipe aweather case 25, thermal current makes the tealeaves of foraminous conveyer stir dehydration by being uniformly distributed of cloth materials and parts, makes tealeaves rapid airing.The setting of first and second tracheae 20a, 20b be drop and increase tealeaves when preventing tealeaves from stirring on the first guipure from the edge of guipure stir effect, shorten tealeaves flash-off time.The air-flow that 3rd air nozzle is formed can make tealeaves depart from from foraminous conveyer, enters subsequent processing.As arranged the first conveyer belt 26 at the blanking end of foraminous conveyer, the upper strata belt body of the first conveyer belt 26 takes the shape of the letter U, first conveyer belt 26 and foraminous conveyer interlaced arrangement, the tealeaves fallen from foraminous conveyer like this drops down onto in the first conveyer belt 26, is delivered to subsequent processing carries out other and operate by the first conveyer belt 26.
Concrete is operating as, as shown in Figure 9, cloth materials and parts 24 comprise the coaming plate 243 of drapery panel and the setting of drapery panel periphery, drapery panel is that a folding shape plate body is formed, the height of folding shape plate body reduces gradually along the throughput direction of foraminous conveyer, the width of folding shape plate body increases gradually along the throughput direction of foraminous conveyer, folding shape plate body comprises the first plate body 241 and the second plate body 242 that the throughput direction along foraminous conveyer is arranged successively, second plate body 242 is arranged to concordant blade-like compared with the side of low side, second plate body 242 is 3 ~ 5 ° with angle formed by horizontal plane, first plate body 241 is 5 ~ 8 ° with angle formed by horizontal plane, scald the lower end charging mouth of pipe and the corresponding layout of the first plate body 241 of blue or green carrier pipe 13, the boiling hot blue or green heart yearn of the carrier pipe 13 lower end discharging mouth of pipe 131 and the angle of the first plate body 241 are 8 ~ 10 °, scald the lower end discharging mouth of pipe 131 of blue or green carrier pipe 13 and be arranged to horn-like (that is the lower end discharging mouth of pipe 131 be arranged to cross section that is horn-like and the lower end discharging mouth of pipe 131 be elliposoidal) that cross section is elliposoidal.Above-mentioned drapery panel can make tealeaves be uniformly distributed along the width of foraminous conveyer, improves follow-up tealeaves and dries effect.The control of above-mentioned angle is necessary, its can make tealeaves smooth-going drop down onto on foraminous conveyer, prevent tealeaves and foraminous conveyer from clashing into, tealeaves is made to be stuck in mesh interior or broken, found by great many of experiments optimization, adopt above-mentioned angle to implement, the breakage rate of tealeaves can be down to less than 0.8%, greatly improves tea leaf quality.Cloth materials and parts 24 are by connector and support Joint.
Because tealeaves is in boiling hot blue or green process, the impurity on tealeaves surface and pesticide residue can be in the hot water molten, in order to energy-conservation, general hot water and thermal current repeat to recycle, therefore, the present invention adopts scheme as shown in Figure 10 to implement: the delivery port of water leg 23 is connected with rough filtering device 10A, the delivery port of rough filtering device 10A is connected with organic matter removal device 10B, the delivery port of organic matter removal device 10B is connected with heater 10C, the delivery port of heater 10C is connected with hot-water cylinder 10D, and the delivery port of hot-water cylinder 10D is connected with hot-water line and is connected; The escape pipe interface of bellows is connected with the first blower fan 20A, the gas outlet of the first blower fan is connected with dehydrating unit 20B, the gas outlet of dehydrating unit 20B is connected with heater 20C, the gas outlet of heater 20C is connected with the second blower fan 20D, and the gas outlet of the second blower fan 20D is connected with the air inlet pipe interface of bellows.Rough filtering device 10A can be general net filtration device, and for removing some larger impurity, organic matter removal device 10B is mainly used for removing the pesticide residue in water body, can be charcoal absorption filter or other conventional pesticides removal devices; Heater 10C heats hot water, makes the water temperature of hot water meet tealeaves and scalds blue or green demand, realized the conveying of hot water between rough filtering device 10A, organic matter removal device 10B, heater 10C, hot-water cylinder 10D, hopper by the pump housing.Thus realize energy-conservation basis ensureing scalding continuously of tealeaves is blue or green.Dehydrating unit 20B for removing the moisture in thermal current, the demand that heater 20C dries to meet tealeaves for the temperature improving thermal current.
All spreading for cooling devices all can adopt bamboo plaque to form.
Convection oven is when drying tealeaves, tealeaves is arranged in dry bed pushes in baking oven to dry, because it cannot realize stirring tealeaves, make tealeaves dehydration unbalanced, need spreading for cooling repeatedly to recover and carry out multistage oven dry, and the oven dry amount of single tealeaves is little, affects the production efficiency of tealeaves, be difficult to the production adapting to continuous type tealeaves in enormous quantities.Therefore the present invention takes technical scheme as shown in figure 11 to implement: drying unit comprises the first oven dry casing H16, be provided with in first oven dry casing H16, lower parallel positioned opposite for carrying first of tealeaves, two, three dry conveyer belt, second two ends of drying conveyer belt H12 are all positioned at drying unit, the feed end of the first delivery end and the 3rd oven dry conveyer belt H13 of drying conveyer belt H11 is all positioned at the inside of the first oven dry casing H16, the discharge end of the first feed end and the 3rd oven dry conveyer belt H13 of drying conveyer belt H11 extends to the outside at drying unit both ends respectively, the first horizontally disposed collector plate H17 and the first cloth stream plate H18 is provided with in first oven dry casing H16, first collector plate H17 is positioned at the upside of the first oven dry conveyer belt H11, first cloth stream plate H18 is positioned at the downside that the 3rd dries conveyer belt H13, first, two, three downsides of drying conveyer belt are respectively arranged with the first homogenizing plate H15, the upper face of the first homogenizing plate H15 is evenly arranged the first electric heating tube H16, first collector plate H17, first cloth stream plate H18, first homogenizing plate H15 is orifice plate (horizontally disposed) and forms, the upper roof of the first oven dry casing H16 and lower diapire arrange the first collection air port and the first air outlet respectively, be connected by air delivery pipe between first collection air port and the first air outlet, air delivery pipe is provided with the 4th dehumidifier and four fan device, first, two outsides of drying conveyer belt delivery end are respectively arranged with the first material stirring-up mechanism tealeaves being carried out to stirring, first material stirring-up mechanism comprises the first drapery panel F11 be in tilted layout, the throughput direction that the height of the first drapery panel F11 dries conveyer belt H12 along the first oven dry conveyer belt H11 or second increases gradually (that is: the first height of drying the first drapery panel F11 outside conveyer belt H11 delivery end increases gradually along the throughput direction that first dries conveyer belt H11, second height of drying the first drapery panel F11 outside conveyer belt H12 delivery end increases gradually along the throughput direction that second dries conveyer belt H12), the plate face of the first drapery panel F11 respectively with tealeaves first, layout is intersected in two paths of drying conveyer belt delivery end whereabouts, first homogenizing plate H15 mainly makes the thermal current Uniform Flow in drying unit, avoid that air-flow is unbalanced to be rolled the tealeaves on conveyer belt, simultaneously for installing the first electric heating tube H16, if the power of levels first electric heating tube H16 is different, then the first homogenizing plate H15 can also play the effect of separating drying unit inner chamber, and the cavity making drying unit inner chamber be separated into different bake out temperature carries out gradient oven dry to tealeaves.Multilayer oven dry conveyer belt is set by drying in casing H16 first and the first material stirring-up mechanism is set between the conversion conveying of adjacent oven dry conveyer belt, realize the continuous large batch of oven dry of tealeaves, by the first material stirring-up mechanism, tealeaves is stirred simultaneously, tealeaves can be dewatered uniformly, thus do not carry out multistage oven dry of recovering, improve the production efficiency of tealeaves.
More preferred scheme is, the angle of inclination of the first drapery panel F11 is 45 ~ 60 °, the lower end of the first drapery panel F11 is 2.5 ~ 3.5cm apart from the spacing of the conveyor surface of adjacent oven dry conveyer belt on the downside of it, the control of above-mentioned size, can make the tealeaves of landing from the first drapery panel that the upset of 120 ~ 135 ° occurs, that is only carry out once inside out, tealeaves is avoided to turn-take too much, the top and bottom of most tealeaves are exchanged, the control at the first drapery panel F11 angle of inclination is very important, excessive and the too small tealeaves effectively upset rate that all can make reduces, inclination angle controls to make effective upset rate of tealeaves reach more than 88% 45 ~ 60 ° time, in addition, first, two delivery ends of drying conveyer belt also arrange the first tracheae H19 respectively, first tracheae H19 is respectively along first, two width ranges of drying conveyer belt are arranged, first tracheae H19 is connected with the first air-blowing device, the pipe shaft of the first tracheae H19 is arranged at intervals with for the first jet valve, the blowing direction of the first valve is obliquely and the side pointed near the first drapery panel F11 lower end, first drapery panel F11 is that wave-shape board is formed, the ripple direction of wave-shape board and first, the width of two oven dry conveyer belts is consistent, the throughput direction and first of the second oven dry conveyer belt H12, the throughput direction of three oven dry conveyer belts is contrary, first the setting of the first tracheae H19 can make the upper strata tealeaves of drying on conveyer belt can drop down onto on lower floor's oven dry conveyer belt, secondly the effect of tealeaves stirring can be promoted, ensure that all tealeaves all completes rotary movement as far as possible, make effective upset rate of tealeaves be promoted to more than 97.2%, improve drying tea leaves efficiency.
The first drapery panel that wave-shape board is formed, as shown in figure 12, the bandwidth range along conveyer belt after it can ensure tealeaves stirring is evenly arranged, and the groove depth of the wave-shape board upper groove generally selected is 1 ~ 1.2cm, groove width 2 ~ 2.5cm, the best results that such tealeaves stirring is uniform.
The concrete technology adopting the said equipment to produce green tea is:
A kind of roasted green tea production technology, comprises the following steps:
Spread: the fresh leaf of first exhibition (bud two, three leaf, to folder one, two leaf) plucked is positioned over spread and device spreads until tealeaves color starts to turn dark, spread in process and stir fresh leaf;
Scald blue or green: the tealeaves after spreading is dropped into boiling hot blue or green process 55 ~ 60s in boiling hot blue or green device, and controlling hot water temperature is 95 ~ 98 DEG C, after boiling hot green grass or young crops, tea leaf conveying is delivered to airing device and dries;
One-level completes: after drying, tealeaves is put into roller fixation machine 140 ~ 150 DEG C of one-levels and to complete process 2.5 ~ 3min;
, there is non-enzymatic chemical reaction in spreading for cooling: the tealeaves after one-level being completed is put on the first spreading for cooling device, and room temperature spreading for cooling 5 ~ 8min, makes tealeaves recover, development odor type and fragrance;
Secondary completes: the tea leaf conveying after spreading for cooling is delivered to microwave green-killing device and carry out secondary and complete, secondary fixation time 2 ~ 2.2min, power 12KW (microwave output power);
Post processing: by tea spreading-and-cooling after secondary completes, then be placed in kneading machine and carry out kneading operation, knead operation to terminate manually to deblock afterwards, tealeaves after deblocking drops into roasting machine 100 ~ 110 DEG C stir-fry and is down to less than 35% to tealeaves moisture content, room temperature spreading for cooling 5 ~ 10min on baking bed is first spread after tealeaves fried dry, and then by tealeaves 90 ~ 100 DEG C of oven dry in drying unit, dry and after terminating tealeaves to be taken out cooling and to get product roasted green tea;
Knead operation and comprise following sequentially operation: first time kneads 10min without pressure, and second time kneads 5min without pressure, third time light kneadding sth. made by twisting 5min, the 4th time weight kneads 2min, and the 5th time total head kneads 2min, kneads 5min the 6th time without pressure.Light pressure applied pressure is P1, and weight applied pressure is P2, and total head applied pressure is P3, P2=1.5P1, P3=1.2P2, kneads at every turn and to stir tealeaves afterwards, and applied pressure is specifically determined according to the model of kneading machine and tealeaves dosage, tea leaf quality.Adopt and above-mentionedly knead operation, the bar shaped of its tealeaves is good, and millet paste is more mellow strong.
The green tea that above-mentioned technique is produced, the curling tight knot of bar shaped, the verdant profit of color and luster is bright, and fragrant high lasting, soup look dark green is bright, and millet paste flavour is strong, is fine work in fried green.
The above is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art; to know in the present invention after contents; under the premise without departing from the principles of the invention; can also make some equal conversion to it and substitute, these convert on an equal basis and substitute and also should be considered as belonging to protection scope of the present invention.
Claims (2)
1. a roasted green tea production line, it is characterized in that: comprise the boiling hot blue or green device for carrying out scalding green grass or young crops to tealeaves be connected sequentially, for the airing device dried tealeaves, for carrying out the roller fixation device that one-level completes to tealeaves, for carrying out the first spreading for cooling device of one-level spreading for cooling to tealeaves, for carrying out the microwave green-killing device that secondary completes to tealeaves, for the kneading machine kneaded tealeaves, for the roasting machine stir-fried to tealeaves, and the drying unit for drying tealeaves, microwave green-killing device comprises the 3rd casing, be provided with horizontally disposed upper up and down in 3rd casing, lower conveyer belt, on, the throughput direction of lower conveyer belt is identical, the delivery end of upper conveyor belt and the feed end of lower conveyer belt are positioned at the inside of the 3rd casing, the feed end of upper conveyor belt and the discharge end of lower conveyer belt extend to the outside in the 3rd tank ends portion respectively, upper conveyor belt delivery end extends to the inner side of lower conveyer belt feed end, horizontally disposed air gathering plate and air distribution plate is provided with in 3rd casing, air gathering plate is positioned at the upside of upper conveyor belt, air distribution plate is positioned at the downside of lower conveyer belt, air gathering plate and air distribution plate are orifice plate and form, on, microwave generator is provided with between lower conveyer belt, the upper roof of the 3rd casing and lower diapire arrange collection air port and air outlet respectively, be connected by air delivery pipe between collection air port and air outlet, air delivery pipe is provided with dehumidifier and the 3rd blower fan, the arranged outside of upper conveyor belt delivery end has the material rotating plate be in tilted layout, the height of material rotating plate near upper conveyor belt one end is less than the height of the other end, material rotating plate is arranged with tealeaves is crossing in the path that upper conveyor belt delivery end falls, the angle of inclination of material rotating plate is 45 ~ 60 °, and the spacing between the lower end of material rotating plate and the conveyor surface of lower conveyer belt is 2.5 ~ 3.5cm, the delivery end of upper conveyor belt is also provided with airduct, upper conveyor belt comprises upper conveyor belt body and lower conveying belt body, airduct between upper and lower conveying belt body and airduct arrange along the width range of upper conveyor belt, airduct is connected with air jet system, the pipe shaft of airduct is arranged at intervals with for jet air nozzle, the blowing direction of air nozzle is obliquely and the side pointed near material rotating plate, drying unit comprises the first oven dry casing, be provided with in first oven dry casing, lower parallel positioned opposite for carrying first of tealeaves, two, three dry conveyer belt, second two ends of drying conveyer belt are all positioned at drying unit, the feed end of the first delivery end and the 3rd oven dry conveyer belt of drying conveyer belt is all positioned at the inside of the first oven dry casing, the discharge end of the first feed end and the 3rd oven dry conveyer belt of drying conveyer belt extends to the outside at drying unit both ends respectively, the first horizontally disposed collector plate and the first cloth stream plate is provided with in first oven dry casing, first collector plate is positioned at the upside of the first oven dry conveyer belt, first cloth stream plate is positioned at the downside that the 3rd dries defeated band, first, two, three downsides of drying conveyer belt are respectively arranged with the first homogenizing plate, the upper face of the first homogenizing plate evenly arranges the first electric heating tube, first collector plate, first cloth stream plate, first homogenizing plate is orifice plate and forms, first, two outsides of drying conveyer belt delivery end are respectively arranged with the first material stirring-up mechanism tealeaves being carried out to stirring, first material stirring-up mechanism comprises the first drapery panel be in tilted layout, the height of the first drapery panel dries conveyer belt along first or the second throughput direction of drying conveyer belt increases gradually, the plate face of the first drapery panel respectively with tealeaves first, layout is intersected in two paths of drying conveyer belt delivery end whereabouts, the angle of inclination of the first drapery panel is 45 ~ 60 °, the lower end of the first drapery panel is 2.5 ~ 3.5cm apart from the spacing of the conveyor surface of adjacent oven dry conveyer belt on the downside of it, first, two delivery ends of drying conveyer belt also arrange the first tracheae respectively, first tracheae is respectively along first, two width ranges of drying conveyer belt are arranged, first tracheae is connected with the first air-blowing device, the pipe shaft of the first tracheae is arranged at intervals with for the first jet valve, the blowing direction of the first valve is obliquely and the side pointed near the first drapery panel lower end, first drapery panel is that wave-shape board is formed.
2. roasted green tea production line according to claim 1, is characterized in that: the front end of scalding blue or green device is also provided with and spreads device for what spread tealeaves.
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| CN201510608665.5A CN105325578A (en) | 2015-09-19 | 2015-09-19 | Roasted green tea production line |
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| CN201510608665.5A CN105325578A (en) | 2015-09-19 | 2015-09-19 | Roasted green tea production line |
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| CN105325578A true CN105325578A (en) | 2016-02-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107745954A (en) * | 2017-10-23 | 2018-03-02 | 山东省潍坊市省工食品机械科技有限公司 | Automatic cake rolling machine is dried in the air cake servicing unit |
| CN109081123A (en) * | 2018-01-22 | 2018-12-25 | 南通思瑞机器制造有限公司 | A kind of high speed piling system |
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| CN201976687U (en) * | 2011-03-17 | 2011-09-21 | 福建闽瑞茶业有限公司 | Tea drying device |
| CN104904891A (en) * | 2015-06-28 | 2015-09-16 | 安庆万草千木农业科技有限公司 | Organic flat tea production method |
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| CN2609354Y (en) * | 2003-04-09 | 2004-04-07 | 宜兴市鼎新微波设备有限公司 | Improved microwave heating green tea, dry device |
| CN201976687U (en) * | 2011-03-17 | 2011-09-21 | 福建闽瑞茶业有限公司 | Tea drying device |
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Application publication date: 20160217 |