Summary of the invention
The object of the present invention is to provide one little to tealeaves damage, sharpness of separation is high, and a kind of selection by winnowing color selection method of inner stream flow equilibrium improves the quality for the treatment of fermented tea.
The present invention realizes as follows:
This prevent tealeaves breakage selection by winnowing color selection method it comprise the selection by winnowing stage for the first time, selection by winnowing stage and look select the stage for the second time,
1) in the selection by winnowing stage for the first time, the outer material wheel of wind-force material wheel slowly rotates, in the opening of wind-force material wheel airduct wind hole on the wind of the confession barrel of taking turns by outer material blow out, thereby make tealeaves stream enter selection by winnowing chamber for the first time by desired trajectory; The first wind control structure is the first air distribution plate air feed, and the first air distribution plate is divided into three of left, center, rights bar-shaped zone, and controller adjusts that trizonal wind-force has or not, size make tealeaves stream enter accurately discharge outlet in conjunction with wind-force material wheel air feed situation;
2) tealeaves stream is exported and is entered selection by winnowing chamber for the second time by discharge, the second air distribution plate of selection by winnowing chamber is connected with the second wind control structure for the second time, selection by winnowing chamber also has hanging deck assembly for the second time, the wind energy that the second air distribution plate blows out is enough adjusted into reclinate air-flow by hanging deck assembly, tealeaves stream is subject to airflow influence, chip enters the light assorted heavily assorted heavily row's of the mixing mouths that enter such as a mouthful discharge, stalk class of arranging; This stage, qualified tealeaves was collected by smart outlet;
3) tealeaves stream enters look from smart outlet and selects the stage, the 3rd air distribution plate being connected with the 3rd wind control structure provides a compressed air stream, and tealeaves stream out mixes and forms with compressed air stream the tealeaves stream that par transports from buffering quantitative feeding unit, debated not by the camera of cervical part of esophagus top, and be in its cross section on the cervical part of esophagus of flat, tealeaves in tealeaves stream separates and correspondingly pass through camera in a very thin aspect, thereby improve the efficiency of foreign matter identification, when tealeaves stream enters from advection section to cervical part of esophagus, because cross section changes, tealeaves Flow Velocity is accelerated, its movement locus is straight substantially, after camera, be connected to the first nozzle and second nozzle, can discharge the extreme color tealeaves outside qualified color threshold or foreign material.
More preferably, selection by winnowing is indoor is for the first time provided with returning charge slide plate with wind-force material wheel opposite side, and the angle of returning charge slide plate is adjusted by controller, tealeaves is turned back to effective selection by winnowing district or gets back near former track, thereby be beneficial to sorting.
More preferably, control module is controlled the flow of tealeaves stream, the input amount of buffering quantitative feeding unit presets, and be provided with pressure sensor, when tea amount in it excessive, while exceeding predetermined weight, pressure sensor is reported to the police and pulse signal is fed back to control module, and control module and then the rotating speed to wind-force material wheel and lock fertilizer wheel are adjusted; The upper channel of lock fertilizer wheel is also provided with sensor, and in the time that in the upper square channel that tealeaves is taken turns in lock fertilizer, accumulation exceedes certain altitude, sensor is by signal feedback to control module, and control module declines the speed of wind-force material wheel or stop.
More preferably, control module has or not with size and controls the wind-force of the first air distribution plate and the second air distribution plate in selection by winnowing process.
Beneficial effect of the present invention:
1. tea-leaf wind selection color selection method of the present invention has used wind-force material wheel, make material wheel feed no longer adopt blade applied thrust upthrow, but flow to into selection by winnowing chamber with Wind power propelling tealeaves, material wheel just rotates with very slow speed, material wheel is dropped to minimum to the damage of tealeaves, thereby improved the quality for the treatment of fermented tea.
2. tea-leaf wind selection color selection method of the present invention has used the first, two air distribution plate of sectional control air quantity, can adjust according to the actual needs of sorting the wind-force of air distribution plate.
3. tea-leaf wind selection color selection method of the present invention has used the control module that overall assorting room is controlled, and makes the inside tealeaves stream flow of tea-leaf wind selection color selector evenly smooth, and what prevent that the sorting overload in selection by winnowing stage from causing misprints.
The specific embodiment
Be described further below in conjunction with accompanying drawing:
As shown in Figure 1, this selection by winnowing color selector has selection by winnowing structure for the first time, and selection by winnowing structure and look select structure for the second time.
Selection by winnowing structure comprises wind-force material wheel 1 for the first time, wind-force material wheel 1 is made up of airduct in opening and outer material wheel, traditional material wheel divides two kinds, the one, the material wheel slowly rotating, tealeaves enters into selection by winnowing chamber slowly, the shortcoming of this material wheel is the good initial velocity of tealeaves stream neither one, and therefore agglomerating material can not be opened fully, has strengthened difficulty to selection by winnowing; Another kind of rotating speed is very fast, tealeaves stream is thrown to selection by winnowing chamber by the blade of taking turns by material, and tealeaves stream easily enters selection by winnowing chamber and scatters selection by winnowing is indoor owing to having initial speed, but this material wheel also exists defect, blade, in the time throwing tealeaves stream, inevitably causes damage to tealeaves itself.And in the present invention, the outer material wheel of wind-force material wheel 1 has the barrel that is covered with wind hole, barrel equal intervals blade is set, outer material wheel velocity of rotation is slower, its feed quantity regulates with the degree of depth of the groove between blade, jogging speed is not injure tealeaves blade to be as the criterion, axle setting in airduct and outer material wheel in the opening of wind-force material wheel 1, it has one for air port, in opening airduct wind hole on the wind of the confession barrel of taking turns by outer material blow out, and tealeaves stream is blown into selection by winnowing chamber for the first time, more preferably, in opening, airduct can rotate adjustment, can be according to the needs of sorting, adjust the angle for air port, thereby adjust the upthrow track of tealeaves stream.Following table is the form for air port opening angle and sorting relevant parameter.Wherein feed efficiency be the artificial efficiency value of setting from 1-10 not etc.
As can be seen from the table, when very little for the opening degree angle in air port, the track of feed is very accurate, but it is under feeding, reason is that wind-force material of the present invention is taken turns in the situation that there is no wind, and tealeaves stream is not exported substantially, and this is mainly to prevent that the slow-speed of similar traditional material wheel from making tealeaves stream enter into selection by winnowing chamber without initial velocity, if too small for air port opening angle, be blown into the tealeaves flow of selection by winnowing chamber for the first time just seldom, although its sharpness of separation is also very high, the efficiency of separation is too low; Along with opening strengthens, the rate of misprinting also slowly increases, but considers sorting amount significantly to increase and to misprint rate increase more slow, and the rate of misprinting in the time that 40 spend is all acceptable; Spend but arrived opening 50, the rate of misprinting is uprushed to 6%, and the result of analysis is, if air feed bicker is spent greatly, its feed track is just difficult to assurance, and a lot of tealeaves does not enter sorting along more excellent track, but sector crosssection spray into selection by winnowing chamber for the first time, thereby cause sorting failure.So through experiment, opening angle is 15-40 degree the best.
Wind-force material is taken turns 1 below, the outside of selection by winnowing chamber 3 has first for the first time, two, three wind control structures, the first wind control structure is the first air distribution plate air feed, the first air distribution plate is inclined at the lower end of selection by winnowing chamber for the first time, the first air distribution plate is made up of matrix nozzle, from wind-force material wheel 1 to selection by winnowing chamber impurity discharging port direction for the first time, the first air distribution plate is divided into three of left, center, rights bar-shaped zone, each region is by the control of wind-force control valve, can adjust so trizonal wind-force has or not, size also makes tealeaves stream enter more accurately discharge outlet 4 in conjunction with the wind-force material 1 air feed situation of taking turns.More preferably, selection by winnowing is indoor for the first time takes turns 1 opposite side and is provided with returning charge slide plate 5 with wind-force material, in general the tealeaves stream that misses discharge outlet is difficult to again return effective selection by winnowing district upthrow again, but there are returning charge slide plate 5 these tealeaves streams to slip into again the indoor effective selection by winnowing district of selection by winnowing for the first time, prevented and misprint.Why select returning charge slide plate rather than select conventional returning charge wheel also to consider for preventing that tealeaves from damaging, and preferably the angle of returning charge slide plate can be adjusted, thereby selectable tealeaves is turned back to effective selection by winnowing district or gets back near former track, thereby being beneficial to sorting.
The sidewall at least a portion that connects vertical channel after the discharge of selection by winnowing chamber 3 outlet is for the first time made up of filter screen 6, the external collection dust removing units 7 of filter screen 6.By sorting theory of the present invention, for the first time should be by the heaviest excluding with the lightest foreign material in selection by winnowing, the tealeaves that obtains preliminary sorting flows to into secondary selection by winnowing.Therefore, the net of filter screen is also unsuitable excessive, only need remove dust.Selection by winnowing chamber 3 is connected by lock fertilizer wheel 8 with selection by winnowing chamber for the second time for the first time.
One end of selection by winnowing chamber is provided with the second air distribution plate for the second time, the second air distribution plate is connected with the second wind control structure, the second air distribution plate is also made up of matrix nozzle, be divided into from top to bottom three regions of upper, middle and lower, except the second air distribution plate, selection by winnowing chamber also has hanging deck assembly 10 for the second time, and hanging deck assembly 10 is made up of the impeller of a series of suspensions, thereby these impeller can turn an angle wind is passed through along linking axes under wind-force.The wind energy that the second air distribution plate blows out is enough adjusted into reclinate air-flow by hanging deck assembly 10, like this, taking turns 8 tealeaves that discharge from lock fertilizer flows to behind the selection by winnowing district of selection by winnowing chamber for the second time, tealeaves stream is subject to airflow influence, chip enters light assorted row mouthful 12 discharges, this series products also can be collected, and tea field is called this product " high broken ", and price is lower; And the heavily assorted heavily row's of the mixing mouths 12 that enter such as stalk class.In selection by winnowing chamber for the second time, tealeaves stream is got rid of the heavily assorted or lightweight that affect tealeaves grading totally substantially.
The fine fodder of selection by winnowing chamber row mouthful 13 downstreams connect buffering quantitative feeding unit 14 for the second time, it selects quantitative feeding for look, look selects structure to comprise that look selects air compartment 15, look selects air compartment 15 to have advection section and cervical part of esophagus, advection section cross section is wider, and cervical part of esophagus cross section is wide and flat shape, selects on air compartment 15 transporting directions at look, the 3rd air distribution plate being connected with the 3rd wind control structure provides a compressed air stream, and tealeaves stream out mixes and form with compressed air stream the tealeaves stream that par transports from buffering quantitative feeding unit 14.Above cervical part of esophagus, be provided with camera and lighting apparatus, cervical part of esophagus is flat on its cross section, to make the tealeaves in tealeaves stream separate and correspondingly pass through camera in a very thin aspect, thereby has improved the efficiency of foreign matter identification.By hydrodynamics knowledge can, when tealeaves stream enters from advection section to cervical part of esophagus, because cross section changes, tealeaves Flow Velocity is accelerated, its movement locus is straight substantially.After camera 16, be connected to the first nozzle 17 and second nozzle 18, can discharge the extreme color tealeaves outside qualified color threshold or foreign material.
Look connects smart tea collector unit 19 after selecting air compartment 15, the tealeaves stream through look choosing is collected, for follow-up processing is prepared.
More preferably, the turning point of the passage connecing after discharge outlet 4 is circular arc curve, also be circular arc the heavily assorted row of selection by winnowing chamber for the second time mouthfuls 11, light assorted row mouthfuls 12 with the dividing plate between fine fodder row mouth 13, these designs are and prevent tealeaves fragmentation with the excessive shock of wall in selection by winnowing process.
The impurity discharging port of selection by winnowing chamber, dust removing units 7, heavily assorted row mouthfuls 11, light assorted row mouthfuls 12, buffering quantitative feeding unit 14, smart tea collector unit 19 are all connected with air flow recovery device for the first time, air flow recovery device is guided air-flow into air supply device, and air supply device will feed to the first to three wind control structure and the one or two nozzle after blast adjustment.Selection by winnowing color selector is also provided with control module 20, and overall assorting room is controlled.
Control module 20 is connected, and these parts is controlled with wind-force material wheel, dust removing units, lock fertilizer wheel, buffering quantitative feeding unit, camera, the first nozzle, second nozzle, the first to three wind control structure.
First the control of control module 20 be embodied in the control of the flow to tealeaves stream, look selects the stage to select the neck of air compartment 15 to obtain thinner tealeaves layer owing to being desirably in look, need to preset the input amount of buffering quantitative feeding unit 14, buffering quantitative feeding unit 14 itself has the function that regulates tealeaves flow, and be provided with pressure sensor, when tea amount in it excessive, while exceeding predetermined weight, pressure sensor is reported to the police and pulse signal is fed back to control module 20, and control module and then the rotating speed to wind-force material wheel 1 and lock fertilizer wheel 8 are adjusted.The upper channel of same lock fertilizer wheel 8 is also provided with sensor, piles up while exceeding certain altitude when tealeaves in the upper square channel of lock fertilizer wheel 8, and sensor is by signal feedback to control module 20, and control module 20 declines the speed of wind-force material wheel 1 or stop.
The control action of control module 20 is also embodied in the control to wind-force size in selection by winnowing process, for selection by winnowing chamber for the first time, first set the track that feeds intake of wind-force material wheel 1, then judge whether to adjust the air feed of the first air distribution plate according to the discharging situation of discharge outlet 4 and impurities removal outlet, if there is more tealeaves non-defective unit in impurity discharging port, and the discharging of discharge outlet is without extremely, the first air distribution plate air feed deficiency is described, can suitably strengthen the wind-force of air distribution plate entirety, if there is the trend that heavy hybridization enters in discharge outlet 4, but also there is more tealeaves non-defective unit in impurities removal outlet, 20 of control modules conclude that the wind-force of wind-force material wheel is inadequate, tealeaves tangles mutually and can not fully scatter, weight is carried secretly and is entered discharge outlet 4, now, control module can't breeze up and expect the wind-force of wheel, because if this wind increases, destroy exactly predetermined material casting curve, control module 20 can add the wind-force of the rightest section of the first air distribution plate, tealeaves stream is locked in to the effective selection by winnowing in selection by winnowing chamber district for the first time, and by tealeaves stream push to discharge outlet after, the top of returning charge slide plate, the reaction that utilizes the wall of selection by winnowing chamber to flow tealeaves, smash snarly tealeaves group, tealeaves stream turns back to effective selection by winnowing district by returning charge slide plate 5, now heavily assortedly become self-existent state by the state of carrying secretly from original, therefore drop to down impurity discharging port.If be only that more heavy burder appears in discharge outlet 4, give the build-up of pressure of selection by winnowing for the second time below, the first air distribution plate wind entirety reduces.For control module 20, will detect the discharging situation of discharge outlet and impurities removal outlet every a predetermined cycle, in the process regulating, thereby also need cycle detection repeatedly and adjust to obtain the rate of reasonably misprinting and impurity residual rate.
For the second air distribution plate in selection by winnowing chamber for the second time, three sections of nozzles of its upper, middle and lower are also by the control of three wind-force control valves, if find that the situation of misprinting appears in the light row's of mixing mouth 12 or heavily assorted row's mouth 12, will strengthen the wind-force of the second air distribution plate interlude, make tealeaves enter as much as possible fine fodder row mouth; Find fine fodder row mouthful 13 present residual underproof tea grounds or tea stalks, will strengthen or the wind-force of hypomere.
For the wind-force of look choosing, because the flow of look choosing is the basis of the each calculation of parameter of whole equipment, and because the disposal ability of neck is determined by its shape, therefore, the wind-force of look choosing is substantially not need to adjust.
In whole assorting room, do not use shake table, also be only limited to lock wind and feed at a slow speed for the use of material wheel, tealeaves moves substantially in air-flow, not using traditional cyclone exhausting-dusting in the discharge exit of selection by winnowing for the first time, is exactly mainly to prevent that tealeaves from causing wearing and tearing in the rotation of cyclone high speed.Therefore the protection that, whole system is subject to when the sorting tealeaves reaches a high level.The tealeaves breakage rate sub-electing by this system is low, and product appearance is good, has promoted the value of product.
Although disclosed relate to a kind of prevented to the selection by winnowing color selection method for the treatment of fermented tea breakage has carried out special description with reference to embodiment; embodiment described above is illustrative and not restrictive; without departing from the present invention, all variations and modification are all within protection scope of the present invention.