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A kind of convection heat transfer sheet smoke re-baking method

A technology of convective heat transfer and sheet tobacco, which is applied in tobacco, tobacco preparation, application, etc., can solve the problems of high energy consumption and influence on processing effect, and achieve the effects of low energy consumption, improved sensory quality, and simple overall device

Active Publication Date: 2018-11-09
CHINA TOBACCO YUNNAN IND
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

However, this method adopts the combined heat transfer method of the downstream hot air in the cylinder and the heating cylinder wall. For the rebaking process of relatively large flow rate sheet tobacco, it is difficult to ensure that the downstream hot air in the cylinder can fully contact with the tobacco in the cylinder. The processing effect will definitely be affected, and the method of heating the cylinder wall as a whole by the liquid phase heating circulation system consumes a lot of energy

Method used

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  • A kind of convection heat transfer sheet smoke re-baking method
  • A kind of convection heat transfer sheet smoke re-baking method
  • A kind of convection heat transfer sheet smoke re-baking method

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] Such as figure 1 As shown: the convection heat transfer fin smoke rebaking device includes a rotating cylinder 3, a feeding device 2, a discharging device 8, two-way air locks 1 and 15, a heat exchanger 12, a moisture exhaust fan 11, and a circulation fan 14 Several longitudinal heating plates 6 are arranged on the inner wall of the rotating cylinder, and a hollow shaft-shaped pipeline is arranged in the center of the cylinder body; the hollow shaft-shaped pipeline is divided into a front section 4 and a rear section 5, the length of the front section and the rear section are equal, and in the outer tube There are several small circular holes 6 (jet holes) on the wall, and the heat exchanger 12 is respectively connected to the rear section and the front section of the hollow axial pipe through the high-temperature gas A branch 9 and the high-temperature gas B br...

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Abstract

The invention provides a convective heat transfer flue-cured tobacco lamina re-curing method and device. The device comprises a rotary cylinder, a feeding device, a discharging device, a bidirectional airlock, a heat exchanger, a moisture discharging fan, a circulating fan and the like. A plurality of longitudinal heating plates are arranged on the inner wall of the rotary cylinder, a hollow shaft-shaped pipeline is arranged at the center of the cylinder and is divided into a front segment and a rear segment, and a plurality of high-temperature jet holes are formed in an outer pipe wall. After threshing and pneumatic separation processes, flue-cured tobacco lamina are fed into the rotary cylinder for processing, the moisture content of the flue-cured tobacco lamina is rapidly reduced, the moisture content of the processed flue-cured tobacco lamina is up to 12-13%, and the tobacco lamina directly undergoes a next packaging process. The raw material processing quality is improved, the device and the process are simplified, and energy consumption can be effectively reduced.

Description

technical field [0001] The invention relates to a tobacco processing method and device, in particular to a closed-type drum-type axial heat transfer sheet tobacco redrying method and device suitable for processing sheet tobacco after leaf stem separation. Background technique [0002] In the process of threshing and re-baking, the tobacco leaves after the initial roasting are sequentially processed by debonding, loosening and moistening, separating leaf stems and re-baking to reach the appropriate moisture and temperature. After packing, they are stored and aged. In each process, the redrying of tobacco leaves has a great influence on the physical quality and sensory quality of the leaves. This process adjusts the moisture content of the tobacco slices after the stem leaves are separated to a certain range through roasting to facilitate storage, and at the same time removes the moisture in the tobacco leaves. Green miscellaneous gas, kills tobacco insects and mold. [0003]...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A24B3/10A24B3/04A24B3/06
CPCA24B3/04A24B3/06A24B3/10
Inventor 唐丽唐军周冰何邦华谭国治王坚
Owner CHINA TOBACCO YUNNAN IND
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