A kind of tea green-keeping drying device of microwave far infrared combination
Technical field
The present invention relates to a kind of material drying device that completes, especially a kind of tea green-keeping drying device through the combination of microwave far infrared.
Background technology
Green tea is the main production teas of China; Output and consumption figure are all bigger, and in the Green Tea Processing process, completing is first procedure of primary processing of tea; Also be indispensable processing step in the green tea production and processing, the quality of the efficient that completes will directly have influence on the profile and the quality of green tea product.At present the tea green-keeping technology mainly contains: pot is fried and is completed, roller fixation, hot air water-removing and steam beating; As the above technology that completes not only exist fixation time long, complete inhomogeneous, drawbacks such as cost height, inefficiency complete; Also the red stalk of tealeaves, red autumnal leaves, yellow phenomenon such as vexed appear in regular meeting in the process of completing, and influence quality of tea leaves and output.Tea microwave de-enzyming also grew up in recent years; It is also rare in tealeaves is produced in batches; Mainly still be in the preliminary stage of application, in being applied to small lot batch manufacture and testing, in addition; The microwave de-enzyming of using separately is because fixation time is too short, lost I haven't seen you for ages that tea aroma, original flavor are had a negative impact than low moisture for water-removing leaves appearance temperature; Make that product fragrance is not enough, mouthfeel is flat, the unit power consumption of polymer processing is higher, and adopt the microwave far infrared combination technology of completing to overcome the deficiency of the independent applied microwave technology of completing preferably, improve the tea green-keeping quality.
Summary of the invention
The present invention is for avoiding above-mentioned existing in prior technology weak point, the tea green-keeping drying device that provides a kind of reliable continuous automatic microwave far infrared to make up.
It is to adopt following technical scheme that the present invention deals with problems:
A kind of tea green-keeping drying device of microwave far infrared combination; Comprise feeding mechanism, the drier and be arranged at the material transport mechanism in the device of completing, its structure invocation point is: the said drier that completes is made up of microwave de-enzyming hothouse, far infrared Titian hothouse and the material elevator structure that is connected between microwave de-enzyming hothouse and far infrared Titian hothouse; The discharging opening place of said far infrared Titian hothouse is provided with cooling chamber.
Design feature of the present invention also is:
Said microwave de-enzyming hothouse has charging aperture I and discharging opening I, above said charging aperture I place, is provided with feeding mechanism, and said feeding mechanism is used for feed at regular time and quantity.
Said microwave de-enzyming hothouse contains the winding conveyer belt I that power set drive, and said conveyer belt I connection charging aperture I and discharging opening I are also laterally through the microwave de-enzyming hothouse, and said microwave de-enzyming hothouse upper wall is equipped with microwave generating apparatus.
Said material elevator structure is located between the charging aperture II at microwave de-enzyming hothouse discharging opening I place and far infrared Titian hothouse top.
The top of said far infrared Titian hothouse is provided with charging aperture II, the bottom is provided with discharging opening II, in far infrared Titian hothouse, makes a circulation from top to bottom to be provided with conveyer belt II, above every layer of conveyer belt II, is equipped with the far infrared generating means.
At said cooling chamber upper wall refrigerator is housed.
During work, material is through feeding mechanism feed at regular time and quantity, and the material that falls gets into the microwave de-enzyming hothouse by conveyer belt I; Open microwave; Temperature raise fast after material absorbed microwave energy, accomplished the material operation that completes, and charging aperture drops on the conveyer belt II tealeaves after completing through far infrared Titian hothouse upper strata through lift mechanism lifts; Above every layer of conveyer belt II, all be provided with the far infrared generating means; Absorb far infrared electromagnetic when material moves and be heated on conveyer belt II, material moves to end at upper strata conveyer belt II successively and just drops to the period of the day from 1 p.m. to 3 p.m. on the conveyer belt II of its lower floor, and this action is so back and forth carried out; On finally falling orlop conveyer belt II, be brought to down in the step operation cooling chamber and carry out quick cooling operations, taken out of cooling chamber afterwards again and accomplish the whole dry cooling operations that completes.
Compared with present technology, beneficial effect of the present invention is embodied in:
1) the present invention can realize completing automatically continuously drying operation, and the drying effect that completes is good, and the materials such as tealeaves after completing the not only recoverable amount of its active ingredient are higher; And fragrance is dense, mouthfeel is pure and mild, color and luster is emerald green, and the whole series drying device that completes can be realized intelligent automation control, working stability; Dependable performance; The compact conformation floor space is little, and specific energy consumption is few, and is applied widely.
2) apparatus of the present invention microwave de-enzyming hothouse completes to tealeaves, because of characteristics such as microwave have the frequency height, and penetration power is strong, and the tealeaves quick heating, preheating time is short, is heated evenly, has overcome hot conduction and has completed and be difficult to the shortcoming of enzymatic activity in the bright leaf of quick passivation.According to the tea green-keeping needs, microwave de-enzyming time and microwave radiation are all adjustable, satisfy tea green-keeping processing technology demand simultaneously.
3) apparatus of the present invention far infrared Titian hothouse carries out Titian to tealeaves and dries by the fire processing again; Adopt microwave, far infrared to make up the Titian dry technology that completes; Give full play to technical advantage separately; Cover the shortage each other, make complete back material exterior quality such as tealeaves and millet paste endoplasm quality all better, tealeaves waits until that material fragrance is dense, color and luster good, flavour is pure.
4) cooling chamber of apparatus of the present invention carries out quick cooling processing to the dried material that completes, and has reduced the oxidation of active ingredients such as phenols in the materials such as tealeaves largely, has guaranteed fragrance, flavour, recoverable amount color and luster and active ingredient of tealeaves.
5) in the far infrared Titian hothouse of the present invention the winding type conveyer belt is set, material constantly rolls to lower floor under the conveyer belt effect of upper strata, realized the purpose of the dynamic Titian drying operation of material, makes that material is heated evenly, drying efficiency is high.Simultaneously can be according to material processing technology needs, to regulate the conveyer belt rotating speed and change material in far infrared indoor Titian drying time, the far infrared power output is adjustable, changes the material processing temperature through regulating the far infrared power output.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the feeding mechanism structural representation of Fig. 1 embodiment.
Label among the figure: 1. microwave de-enzyming hothouse; 2. microwave generator; 3. conveyer belt I; 4. hoisting mechanism; 5. far infrared Titian hothouse; 6. orlop conveyer belt II; 7. refrigerator; 8. cooling chamber; 9. far infrared generator; 10. conveyer belt II; 11. control system cabinet; 12. feeding mechanism; 13. hopper; 14. material; 15. pull out glassware.
Below in conjunction with accompanying drawing the present invention is further described.
The specific embodiment
The microwave far infrared combination tea green-keeping drying device of present embodiment is as shown in Figure 1, and the charging aperture I top of microwave de-enzyming hothouse 1 is provided with feeding mechanism 12 (referring to Fig. 2), in feeding mechanism 12 elevating hoppers 13 material 14 is housed, and establishes under the hopper 13 and pulls out glassware 15.In microwave de-enzyming hothouse 1, be provided with the winding conveyer belt I3 that power set drive; Conveyer belt I connection charging aperture I and discharging opening I are also laterally through the microwave de-enzyming hothouse; Microwave de-enzyming hothouse 1 upper wall is equipped with microwave generator 2, and at its control system cabinet 11 that is outside equipped with device, the discharging opening place of microwave de-enzyming hothouse 1 is provided with hoisting mechanism 4; Hoisting mechanism discharging opening place is provided with far infrared Titian hothouse 5; The top of far infrared Titian hothouse 5 is provided with charging aperture II, the bottom is provided with discharging opening II, in far infrared Titian hothouse, makes a circulation from top to bottom to be provided with conveyer belt II 10, above every layer of conveyer belt II, is equipped with far infrared generator 9; Discharging opening place at far infrared Titian hothouse 5 is provided with cooling chamber 8;, refrigerator 7 is housed in the cooling chamber 8, the orlop conveyer belt II6 in the far infrared Titian hothouse is from the discharging opening extension and run through cooling chamber 8.
During work, behind control system cabinet startup feeding mechanism, microwave generating apparatus, far infrared generating means and transport:
1) fall into tealeaves or chrysanthemum and so on dried material of waiting to complete on the conveyer belt at regular time and quantity by feeding mechanism;
2) make material be admitted to microwave de-enzyming hothouse, far infrared Titian hothouse and cooling chamber continually by conveyer belt and hoisting mechanism;
3) by the microwave radiation to the material dry operations that completes, the dried material that completes gets into down the dry processing of step Titian again by hoisting mechanism;
4) by far infrared radiation the dried material that completes is carried out Titian, dries by the fire operations again; In far infrared Titian hothouse; Material successively falls into its lower floor's conveyer belt by the upper strata conveyer belt, and the material after the dry processing with Titian is sent into down the step cooling device by the orlop conveyer belt and cooled off;
5) carry out fast cooling cooling operations by the material of cooling device after to the dry processing that completes, cooled material directly gets into the sterilization packaging operation.
It is that 2450MHZ, far infrared wavelength are 2.5~30 μ m that tea microwave far infrared among the present invention makes up the microwave frequency that completes; Power completes: microwave 0~30kW; Far infrared 0~20kW; Fixation time: microwave 0~3.0min, far infrared 0~5.0min, the chilling temperature after completing are that 0~-20 ℃, time are 0~10min.
Facts have proved that present embodiment has following characteristics:
1, in the feeding mechanism pull out the glassware rotating speed can regulate through motor (0~200r/min), decide according to material variety and complete dry power and output, can be according to production needs feeding at regular time and quantity.
2, the rotating speed adjustable size of the conveyer belt in microwave office joint (0~2500r/min), microwave output power also scalable (0~30kW), it all can be decided according to the material dry production needs that complete.The rotating speed adjustable size of hoisting mechanism joint is complementary with the rotating speed of conveyer belt in the microwave office.
3, the conveyer belt rotating speed in the far infrared Titian hothouse (0~2500r/min) with far infrared radiation intensity (0~20kW) equal scalable is decided according to material variety and Titian drying power and time.
4, the conveyer belt rotating speed in the cooling chamber (0~2500r/min) and intensity of cooling (0~20kW) equal scalable requires to decide according to actual production.
Except that the foregoing description, the present invention can also have other embodiments.For example, in addition, drum-type or turnover plate type microwave de-enzyming are dry, far infrared Titian dry technology, because of increasing material the complete dry uniformity and the contact area of material and drying medium, are more conducive to that material completes and drying.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.