Tobacco leaf loosening and dampening device and water adding control method thereof

Abstract

The invention discloses a tobacco leaf loosening and dampening device and a water adding control method thereof. The tobacco leaf loosening and dampening device comprises a dampening rotary drum, a water tank, an inlet vibration groove, an outlet vibration groove, an electronic belt scale, a moisture detector, a dampening rotary drum inlet water adding system, a dampening rotary drum outlet water adding system and a programmable logic controller. The dampening rotary drum inlet water adding system comprises a first double-medium atomizing nozzle and a first gear pump, and the dampening rotary drum outlet water adding system comprises a second double-medium atomizing nozzle and a second gear pump. The water adding control method comprises an inlet water adding amount control method and an outlet water adding amount control method. By the tobacco leaf loosening and dampening device and the water adding control method, tobacco leaf moisture fluctuation is effectively reduced, the tobacco leaf material moisture stability is improved through tobacco leaf material moisture preliminary adjustment and quick feedback adjustment, and the stability of the inherent quality of follow-up cigarette products is improved.

Description

technical field [0001] The invention relates to the field of tobacco leaf preparation and processing, in particular to a tobacco leaf loosening and moisture regaining device and a water adding control method thereof. Background technique [0002] In the process of tobacco processing, it is necessary to loosen and increase the temperature and humidity of the tobacco leaves during the loosening and rehydration process, so as to increase the moisture content and temperature of the tobacco leaves to a certain level, so as to meet the technological requirements of subsequent processing. This process includes loosening the tobacco leaves through dampening drums and vibrating troughs, and dampening the tobacco leaves through atomizing nozzles. In the prior art, the dampening equipment and corresponding control devices are installed at the entrance of the dampening drum, which mainly has the following disadvantages: [0003] 1. Due to the irregular shape of the cut tobacco leaves, ...

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Problems solved by technology

[0003] 1. Due to the irregular shape of the cut tobacco leaves, the material load flowing through the electronic belt scale changes greatly, and the instantaneous flow rate of the electronic belt scale fluctuates greatly, causing large fluctuations in the flow of water added to the moisture resurgence system, resulting in large fluctuations in outlet moisture;

[0004] 2. The amount of water added to the moisture resurgence system is composed of the theoretical amount of water added and the amount of water added by the outlet moisture feedback. It takes 4-6 minutes for the tobacco leaves to enter the moisture resurgence drum to discharge, and only the atomizing nozzle installed at the entrance of the moisture resurgence drum adds water to the tobacco leaves, resulting in The actual amount of water added is not consistent with the actual amount of water to be added, resulting in large fluctuations in the outlet moisture

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