A method to obtain cylinder temperature by calculating the dehydration amount of kld-2 silk dryer
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A technology of KLD-2 and silk drying machine, applied in the field of tobacco processing, can solve the problems of not being better, not knowing computer calculation and regulation, time-consuming, etc., and achieving the effect of high accuracy and improving accuracy
Active Publication Date: 2022-06-21
CHINA TOBACCO GUIZHOU IND
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However, because the computer program is a confidential document, we do not know how the computer calculates and regulates it. At the same time, due to the influence of the ambient air pressure, the quality of the steam source and the accuracy of the online moisture meter, the computer needs to constantly adjust the temperature of the cylinder, and the cylinder Time consuming during body temperature adjustment
[0006] In the tobacco industry, the drying process as a key process of making silk has always attracted the attention of enterprises. Among them, the barrel temperature is closely related to the sensory quality of cigarettes. In terms of standard implementation, how to achieve the required cylinder temperature, there is no better way at present
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Embodiment 1
[0034] A method for obtaining the temperature of the cylinder by calculating the dehydration amount of the KLD-2 silk drying machine, comprising the following steps:
[0035] 1. On March 26, 2019, the KLD-2 silk drying machine of the 500kg / h test line was selected;
[0036] 2. Calculation of the relationship between dehydration amount and cylinder temperature (application formula: △H=|H1-H2| / |T1-T2|);
[0037] In the central control room, the historical trend chart of two batches is obtained. In a steady state, the hot air temperature is 115 °C; the actual cylinder temperature T1 = 156 °C and the corresponding actual dehydration volume H1 = 71L / h, the actual cylinder temperature T2 =149℃ and the corresponding actual dehydration amount H2=62L / h; the dehydration capacity is calculated by the actual cylinder temperature and the actual dehydration amount △H=|H1-H2| / |T1-T2|:
[0038] That is, ΔH=(|71-62| / |156-149|)(L / h) / °C=8 / 7(L / h) / °C=1.286(L / h) / °C;
[0039] 3. Calculate the design...
Embodiment 2
[0048] A method for obtaining the temperature of the cylinder by calculating the dehydration amount of the KLD-2 silk drying machine, comprising the following steps:
[0049] 1. On March 13, 2019, the 3000kg / h KLD-2 silk drying machine of Guiyang Factory was selected;
[0050] 2. Calculation of the relationship between dehydration amount and cylinder temperature (application formula: △H=|H1-H2| / |T1-T2|);
[0051] In the central control room, the historical trend diagram of two batches is obtained. In a steady state, the hot air temperature is 110 °C; the actual cylinder temperature T1=140 °C and the corresponding actual dehydration volume H1=287L / h, the actual cylinder temperature T2 =143°C and the corresponding actual dehydration amount H2=300L / h. Calculate the dehydration capacity △H=|H1-H2| / |T1-T2| by the actual cylinder temperature and the actual dehydration amount:
[0052] That is, ΔH=(|287-300| / |140-143|)(L / h) / °C=13 / 3(L / h) / °C=4.333(L / h) / °C;
[0053] 3. Calculate the ...
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Abstract
The invention discloses a method for obtaining the barrel temperature by calculating the dehydration amount of a KLD‑2 silk drying machine. Firstly, the designed barrel temperature required for production is designed, and two groups of actual barrel temperatures and corresponding barrel temperatures are selected in the historical trend graph. The actual dehydration amount is calculated by calculating the dehydration capacity of cut tobacco per degree of cylinder temperature and the design dehydration amount corresponding to the design cylinder temperature, and inputting the design dehydration value obtained from the above calculation into the KLD‑2 cut drying machine formula library parameters to obtain the production The desired design barrel temperature. The present invention is not affected by ambient air pressure, steam source quality and the accuracy of the online moisture meter, avoids the problem of partial dryness or partial humidity of the material head due to inaccurate settings, and can accurately calculate the temperature of different cylinders of the KLD‑2 silk dryer The corresponding dehydration amount can reverse the amount of inlet moisture according to the brand requirements, and can improve the accuracy of the KLD‑2 silk drying process cylinder temperature process design, and is suitable for KLD‑2 silk dryers of any production capacity.
Description
technical field [0001] The invention belongs to the technical field of tobacco processing, and particularly relates to a method for obtaining the temperature of a cylinder by calculating the dehydration amount of a KLD-2 silk drying machine. Background technique [0002] In the process of tobacco leaf silk making, the raw material undergoes heating, humidification, drying and other processes, the temperature and humidity are constantly changing, and the chemical composition inside the leaf silk also changes accordingly. Changes in the process parameters of each process will have a certain impact on the chemical composition and sensory quality of cigarettes. The shredding machine is the key equipment of the cigarette shredding production line. Its main purpose is to dry the shredded tobacco to make the moisture meet the technological requirements; at the same time, it can improve the filling power of the shredded tobacco and reduce the consumption of cigarettes. The thin-pla...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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