Technical field
The present invention relates to a kind of Tea Production equipment, be specifically related to a kind of tea winnower.
Background technology
Tea is traditional drink of China, not only can health but also can prevent disease, dark liking by consumers in general.In Tea Production process, screening process is the later process of Tea Processing, mostly adopts winnowing machine to carry out tealeaves screening.The principle of tea winnower is the air dynamic behaviour utilizing tealeaves particle, and under the action of the forces of the wind, the feature that its drift distance is different, distinguishing the quality of tealeaves according to the position of tealeaves drift, is the key equipment in commodity tea process unit.Tealeaves after selection by winnowing requires the tealeaves flowed out from the same tea outlet of winnowing machine, and its aerodynamic feature parameter, coefficient of deviation are within the scope of regulation, and surpass and go beyond the scope, namely sorting is unclear.The principal element affecting tea-leaf wind selection quality has the wind flow field of winnowing machine wind passage mouth wind speed profile and selection by winnowing indoor to distribute.
China's application number is: 2014201021104, disclose a kind of invention of tea winnower, comprise the body being provided with air channel, described body top is provided with charging aperture, material returned mouth, described charging aperture is communicated with described material returned mouth by screening plant, and described screening plant is positioned at the upside in air channel, and described air channel is provided with cyclone near one end of described charging aperture, the other end in described air channel is provided with dust outlet, and the downside in described air channel is provided with tealeaves discharging opening.This invention structure is simple, though realize that tealeaves is separated with sandstone, the effect of tea dry sorting, but there is following defect: one, advancing air flow velocity in body is in stable state substantially, but in body edge, because flow velocity is subject to resistance, cause flow velocity near tea outlet and body upper formation tealeaves Maelstrom, tealeaves is rolled again and enters other tea outlets or will selection by winnowing again, affect quality and the waste energy of selection by winnowing; Its two, the wind in body is directed to cyclone, and wind speed is uneven stable, and in body, wind speed profile is from large to small, and the tealeaves that the tea outlet near cyclone lands is relatively many, affects the selection by winnowing quality of tealeaves; In addition, dust outlet does not arrange screen pack, and lighter tealeaves is mixed in dust and discharges, and causes the waste of resource.Therefore, be necessary to improve further the mechanism of tea winnower.
Summary of the invention
For the deficiency that prior art exists, the object of this invention is to provide that a kind of selection by winnowing is effective, the rational tea winnower of wind speed profile.
In order to achieve the above object, the technical scheme that the present invention takes is:
A kind of tea winnower, comprises selection by winnowing room, blower fan; The top of described selection by winnowing room is provided with charging aperture, material returned mouth, and described charging aperture, material returned mouth are communicated with by the screening plant being provided with oscillator; The S bend pipe road that passes on left of described selection by winnowing room is connected with blower fan, and the position that air port, S bend pipe road is installed is lower than screening plant; The right side of described selection by winnowing room is provided with dust outlet, and dust outlet is connected with dust collection bag; The bottom of described selection by winnowing room is provided with multiple tea discharge bucket, and the bottom of tea discharge bucket offers tea outlet; Locate above described tea outlet all to fixedly mount to thanks for your hospitality whirlpool plate, this disturbs the center that whirlpool plate is erected at tea discharge bucket; Described selection by winnowing room installed in front has watch window.
As optimal technical scheme, in order to better prevent the phenomenon occurring whirlpool near tea outlet, improve the selection by winnowing quality of tealeaves, described in disturb bottom whirlpool plate with the vertical range of tea outlet be 90 ~ 100cm.
As optimal technical scheme, in order to air port, the S bend pipe road wind speed ensureing winnowing machine is up-small and down-big distribution character in the vertical direction, improve the selection by winnowing quality of tealeaves, described S bend pipe road internal structure design is cellular multi-channel structure.
As optimal technical scheme, in order to prevent the tealeaves mixed dust of lighter weight from discharging from outlet, avoid the waste of resource, described dust outlet front end is provided with screen pack, arranges a skewback below this screen pack.
As optimal technical scheme, in order to prevent watch window may due to the excessive and abnormal accident such as to blast of the wind speed of selection by winnowing room, described watch window be explosion-proof watch window.
Compared with prior art, beneficial effect of the present invention:
1, arrange the S bend pipe road of cellular multi-channel structure and disturb whirlpool plate, the wind flow field of selection by winnowing room is up-small and down-big linear homogeneous Stable distritation state, eliminates the phenomenon occurring vortex near top, selection by winnowing room and tea outlet, is conducive to the raising of tea-leaf wind selection quality.
2, be provided with multiple tea discharge bucket, selection by winnowing can go out the tealeaves of multiple grade.
3, arrange dust outlet, the impurity such as the dust that collection tea-leaf wind selection goes out, reduce dust to the pollution of environment, environmentally-friendly sanitary.
4, selection by winnowing room arranges screen pack and skewback, stops the discharge of tealeaves to cause waste.
5, watch window is set, the wind flow field distribution character of selection by winnowing room can be looked at straight, thus the air quantity of flexible modulation blower fan changes the distribution of selection by winnowing room wind flow field, ensures higher selection by winnowing effect.
6, winnowing machine structure simple, be easy to realize.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the profile in S bend pipe road of the present invention.
Drawing reference numeral: 1, selection by winnowing room, 2, charging aperture, 3, discharging opening, 4, screening plant, 5, tea discharge bucket, 6, tea outlet, 7, disturb whirlpool plate, 8, blower fan, 9, S bend pipe road, 10, dust outlet, 11, dust collection bag, 12, screen pack, 13, skewback, 14, watch window.
Detailed description of the invention
As shown in Figure 1, a kind of tea winnower, comprises selection by winnowing room 1, blower fan 8; The top of described selection by winnowing room 1 is provided with charging aperture 2, material returned mouth 3, and described charging aperture 2, material returned mouth 3 are communicated with by the screening plant 4 being provided with oscillator.
The bottom of described selection by winnowing room 1 is provided with multiple tea discharge bucket 5, and the top of tea discharge bucket 5 offers tea outlet 6, and tea outlet 6 top position all fixedly mounts thankss for your hospitality whirlpool plate 7, and this disturbs the center that whirlpool plate 7 is erected at tea discharge bucket 5; The present embodiment preferably arranges and to disturb bottom whirlpool plate 7 with the vertical range of tea outlet 6 is 90 ~ 100cm.
The S bend pipe road 9 that passes on left of described selection by winnowing room 1 is connected with blower fan 8, and the position that air port, S bend pipe road 9 is installed is lower than screening plant 4; It is cellular multi-channel structure that the present embodiment preferably arranges S bend pipe road 9 internal structure design, as shown in Figure 2.
The right side of described selection by winnowing room 1 is provided with dust outlet 10, and dust outlet 10 is connected with dust collection bag 11; The present embodiment preferably arranges dust outlet 10 front end and is provided with screen pack 12, arranges a skewback 13 below screen pack 12.
Be provided with watch window 14 on front side of described selection by winnowing 1, the present embodiment preferably arranges watch window 14 for explosion-proof watch window.
The course of work of the present invention is: open blower fan 8, blown out the wind of up-small and down-big linear distribution state by the effect in S bend pipe road 9; Charging aperture 2 is placed on by needing the tealeaves of selection by winnowing, the screen cloth that scattered tea leaf crosses screening plant 4 falls into selection by winnowing room 1, when screening plant 4 separately, the tealeaves that part is not easily separated advances along screening plant 4 coherent tealeaves major part, and discharges from material returned mouth 3; Tealeaves drops in different tea discharge buckets 5 with wind-force due to own wt, thus sub-elects the tealeaves of different brackets; The impurity such as dust are discharged from dust outlet 10, and the lighter tealeaves that dust is mingled with is subject to screen pack 12 to be stopped, falls in the tea discharge bucket 5 closed on through skewback 13; Tealeaves in period selection by winnowing room 1 situation that descends slowly and lightly is known by watch window 14, thus regulates the air quantity of blower fan 8 to make tea-leaf wind selection reach the effect of the best.
Certainly; just the preferred embodiments of the disclosure is described in detail by reference to the accompanying drawings above; not limit practical range of the present invention with this, all equivalence changes done according to principle of the present invention, structure and structure, all should be covered by protection scope of the present invention.
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