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Fresh tea leaf treatment device and treatment method thereof

A processing device and technology for fresh tea leaves, which are applied in the directions of tea processing before extraction, tea drying, food heat treatment, etc., can solve the problems of poor withering effect, unfavorable airflow passing, and inability to cover with hot air.

Pending Publication Date: 2021-04-09
TEA RES INST CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the traditional withering device, the fan is installed on the side, blowing air directly inside the withering bed, and the hot air cannot cover the area about one meter away from the withering bed. If the air deflector is used, it is difficult to adjust the balance of hot air when the number is small, and it is not conducive to the passage of airflow when the number is large
And because the blower blows directly, it will cause negative pressure and vacuum in the area near the fan, and the tea leaves will be pressed tightly on the withering bed, resulting in poor withering effect, and the withered tea leaves have the problem of uneven withering

Method used

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  • Fresh tea leaf treatment device and treatment method thereof
  • Fresh tea leaf treatment device and treatment method thereof
  • Fresh tea leaf treatment device and treatment method thereof

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Embodiment Construction

[0029] Below in conjunction with the accompanying drawings, the specific embodiments of the present invention will be further described in detail, so as to make the technical solution of the present invention easier to understand and grasp.

[0030] combine Figure 1 to Figure 5 , a processing device for fresh tea leaves, comprising a withering bed 1, a heating device 2 is arranged on the side of the withering bed 1, and a fan 3 is fixedly installed on the top of the heating device 2. The blower fan 3 starts blowing to the heating device 2 from top to bottom, and the cold wind blows hot air to the withering bed 1 after being heated, so that the tea leaves laid on the withering bed 1 have a suitable withering temperature.

[0031] The top of the withering bed 1 is provided with an opening, and a support bar 12 is longitudinally arranged in the opening, and a net plate 11 is fixedly arranged on the support bar 12, and the tea leaves that need to wither are laid on the net plate ...

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Abstract

The invention relates to a fresh tea leaf treatment device and a treatment method thereof. The fresh tea leaf treatment device comprises a withering bed and a heating device; a fan is fixedly arranged above the heating device; the fresh tea leaf treatment device is characterized in that a PTC heating body is arranged in the heating device; an air guide plate is arranged at the front end of the heating device; the fan blows air from top to bottom, airflow is heated through the PTC heating body, and hot gas moves towards the withering bed; a sunlight withering simulation device is fixedly arranged above the withering bed; a luminous body adopts a carbon fiber thermal inductance tube and only radiates 4.5-13.4 mu m far infrared rays, so that the fresh tea leaves can be uniformly heated from inside to outside, the heat conversion efficiency is high, and the energy is saved by 30 percent or above compared with that of a common metal heating body; and the sunlight withering simulation device comprises a louver board and a far infrared emission device fixed on the louver board. The air flow flows transversely after being heated by the PTC heating body and flows to the withering bed, and the flow speed of the transverse air flow is not high, so that the problems that the traditional withering bed cannot be heated at the position close to the fan and has negative pressure can be effectively solved, and the tea withering effect is uniform and good.

Description

technical field [0001] The invention relates to the technical field of tea withering, in particular to a device for processing fresh tea leaves and a processing method thereof. Background technique [0002] Withering is the first process in black tea processing and is the basis for the formation of black tea quality. Under certain temperature and humidity conditions, the harvested fresh leaves are thinly spread, and the water is properly lost to reduce the tension of the fresh leaves. After the fresh leaves wither, the water content decreases, the leaf quality becomes soft, the leaf color becomes dark, the grass smell gradually weakens, and the fragrance and flower fragrance begin to appear. . [0003] In the traditional withering device, the fan is installed on the side, blowing air directly inside the withering bed, and the hot air cannot cover the area about one meter away from the withering bed. If the air deflector is used, it is difficult to adjust the balance of hot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23F3/06
CPCA23F3/06F26B3/06F26B3/30F26B25/18F26B21/10F26B3/353F26B2200/20A23V2300/24A23V2002/00
Inventor 邓余良袁海波江用文郝国双梅相贞夏玉娥
Owner TEA RES INST CHINESE ACAD OF AGRI SCI
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