| 自吸式曝气搅拌装置用于高温好氧消化系统的供氧性能研究 |
| |
| 引用本文： | 张敏,田代幸宽,酒井谦二.自吸式曝气搅拌装置用于高温好氧消化系统的供氧性能研究[J].环境工程,2020,38(8):8-12. |
| |
| 作者姓名： | 张敏 田代幸宽 酒井谦二 |
| |
| 作者单位： | 九州大学 生物资源环境科学学府, 福冈县 福冈市 819-0395 |
| |
| 基金项目： | 国家留学基金委公派留学项目 |
| |
| 摘 要： | 将曝气搅拌一体式自吸式曝气搅拌装置应用于自热式高温好氧消化（45~65 ℃）系统，并与传统曝气搅拌分离式的盘式涡轮搅拌装置进行对比，系统考察了2种曝气搅拌装置的供氧性能与经济可行性。结果表明:自吸式曝气搅拌装置适用于搅拌速度为500~1100 r/min，过低或过高的搅拌速度都会影响系统的供氧能力；当搅拌速度为900 r/min，曝气量为0.5 L/min（通气率）时，盘式涡轮搅拌装置的KLα值为108.01 h-1，低于同条件下的自吸式曝气搅拌装置。盘式涡轮搅拌装置在相同曝气条件下，50 ℃时的KLα值高于30 ℃时。在1000 r/min转速下，为实现相同的KLα值，自吸式曝气搅拌装置的电能消耗约为盘式涡轮搅拌装置的1/3。
|
| 关 键 词： | 自吸式曝气搅拌装置 盘式涡轮搅拌器 总氧传递系数 自热式高温好氧消化 电能消耗 |
| 收稿时间： | 2020-04-03 |
OXYGEN SUPPLY PERFORMANCE OF GAS-INDUCING AGITATOR SYSTEM FOR AUTOTHERMAL THERMOPHILIC AEROBIC DIGESTION PROCESS |
| |
| ZHANG Min,TASHIRO Yu-kihiro,SAKAI Ken-ji.OXYGEN SUPPLY PERFORMANCE OF GAS-INDUCING AGITATOR SYSTEM FOR AUTOTHERMAL THERMOPHILIC AEROBIC DIGESTION PROCESS[J].Environmental Engineering,2020,38(8):8-12. |
| |
| Authors: | ZHANG Min TASHIRO Yu-kihiro SAKAI Ken-ji |
| |
| Affiliation: | Department of Bioscience and Biotechnology, Kyushu University, Fukuoka 819-0395, Japan |
| |
| Abstract: | Gas-inducing agitator system and disk turbine agitator system were applied to autothermal thermophilic aerobic digestion system; this study compared the oxygen supply performance and economic feasibility of these two agitator systems. The research showed that the gas-inducing agitator system was suitable for a stirring rate of 500~1100 r/min, a lower or higher stirring rate would affect the oxygen supply performance; with a stirring rate of 900 r/min and air flowrate of 0.5 L/min (by volume), the KLα value of the disk turbine agitator system was 108.01 h-1, lower than that of gas-inducing agitator system of 124.52 h-1; disk turbine agitator system under the same stirring rate and air flowrate, KLα value at 50 ℃ was greater than that of 30 ℃. To achieve the same KLα value under 1000 r/min, the power consumption of the gas-inducing agitator system was about 1/3 of that of the disk turbine agitator system. |
| |
| Keywords: | |
| 本文献已被 万方数据 等数据库收录！ |
| 点击此处可从《环境工程》浏览原始摘要信息 |
|
点击此处可从《环境工程》下载全文 |
