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| Research and practice on the utilization of secondary steam thermal energy from stripping column |
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| DOI：10.19902/j.cnki.zgyz.1003-7969.240093 |
| KeyWord:stripping column secondary steam thermal energy utilization fresh solvent |
| FundProject: |
| Author Name | Affiliation | | PANG Xuefeng1,WANG Xigang1, XUE Baochen1,QU Xin2,
HAN Mingchen3, SUN Wu4 | (1.Jiusan Group Sinofarm Guobang (Tianjin) Co. , Ltd. ,Tianjin 300450,China
2.Jiusan Group
Changchun Soybean Technology Co. , Ltd. ,Changchun 130000, China
3.Jiusan Group Dalian
Soybean Technology Co. , Ltd. , Dalian 116000, Liaoning, China
4.Myande
Group Co. , Ltd. ,Yangzhou 225100, Jiangsu, China） |
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| Abstract: |
| In order to save steam and reduce the use of circulating water, taking a 2 500 t/d soybean processing plant as an example, the utilization of secondary steam thermal energy from stripping column in the leaching workshop was studied. By exchanging heat between the secondary steam from the stripping column and fresh solvent, the temperature of the fresh solvent increased from 52 ℃ to 56 ℃. After theoretical calculation, 332 kg/h steam and 31.5 t/h circulating water could be saved.By implementing this plan, the temperature of fresh solvent increased from 51-53 ℃ to 57-59 ℃, and the temperature of secondary steam could be reduced to about 70 ℃, saving 2 kg/t of steam and reducing the temperature of circulating water by 3-4 ℃.In conclusion, using the secondary steam from the stripping column in the leaching workshop for heating fresh solvent can effectively utilize thermal energy and improve the economic efficiency of soybean processing plant. |
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