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| Energy saving practice of DTDC |
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| DOI： |
| KeyWord:gas phase temperature waste heat recovery residual solvent in soybean meal KOH protein solubility |
| FundProject: |
| Author Name | Affiliation | | FU Xuehua1, ZUO Qing2, LYU Rui3, XU Hongchuang4, LEI Ming2, ZUO Hui5 | 1.COFCO (Dongguan) Grain and Oil industry Co. ,Ltd. , Dongguan 523000, Guangdong, China
2.Jiangsu FAMSUN Oils and Fats Engineering Co. , Ltd. , Yangzhou 225127, Jiangsu, China
3.CSG Oil (Xinzheng) Co. , Ltd. , Zhengzhou 451100, China
4.CSG Oil (Dongguan)
Industry Co. , Ltd. , Dongguan 523000, Guangdong, China
5. Guangzhou Xinmas
Co. , Ltd. , Guangzhou 510800, China |
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| Abstract: |
| In order to reduce the steam consumption of DTDC in the soybean pressing plant, the structure and operation of DTDC were adjusted, and the process technology of recovering the waste heat of DT layer hot air, DC hot air vent gas and the waste heat in the interlayer of DTDC were introduced. The DT gas phase temperature was adjusted from 72-75 ℃ to 68-70 ℃, the stirring fins were changed to bending type, and the rotary valves in each layer were equipped with inverter motors to make the materials in suspension; the DC hot air layer was equipped with one blower fitted with inverter motors in each layer, and the energy-saving layer was increased. Practice had proved that the finished soybean meal produced by the adjusted DTDC had golden yellow appearance with a strong aroma, and the residual solvent was 190-300 mg/kg, KOH protein solubility of the soybean meal was greater than 80%, and steam consumption of the DTDC was effectively reduced. |
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