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智能型膜覆蓋好氧堆肥反應(yīng)器設(shè)計與試驗
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教育部新世紀(jì)優(yōu)秀人才支持計劃項目(NCET—12—0524)和國家國際科技合作專項(2015DFA90370)


Design and Test on Lab-scale Intelligent Membrane-covered Aerobic Composting Reactor
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    摘要:

    設(shè)計了一種智能型膜覆蓋好氧堆肥反應(yīng)器試驗系統(tǒng),,主要包括發(fā)酵系統(tǒng),、布氣系統(tǒng),、覆膜系統(tǒng)和控制系統(tǒng)。依據(jù)熱力學(xué)及相關(guān)原理,,進行了各子系統(tǒng)和整體系統(tǒng)的優(yōu)化設(shè)計,。發(fā)酵系統(tǒng)采用圓柱形反應(yīng)器,有效容積約90L,;布氣系統(tǒng)采用變頻泵精確調(diào)速,,可提供最大20L/min曝氣量,曝氣精度0.1L/min;覆膜系統(tǒng)選用具有選擇滲透性的聚四氟乙烯材料Gore膜并與發(fā)酵系統(tǒng)良好密封,;控制系統(tǒng)實現(xiàn)多點溫度,、氧體積分數(shù)、壓力,、氣體監(jiān)測以及經(jīng)多元反饋實時調(diào)控通風(fēng)供氧量,。通過好氧堆肥性能試驗并經(jīng)物理、化學(xué)和生物學(xué)指標(biāo)綜合評價,,結(jié)果表明:該膜覆蓋好氧堆肥反應(yīng)器試驗系統(tǒng)具有良好的發(fā)酵效果,,智能化程度高,,可滿足開展不同需求的膜覆蓋好氧堆肥試驗,。

    Abstract:

    The technology of membrane-covered compost is a good choice to more efficiently, environmentally and cost-effectively solve the problem of agriculture wastes’ pollution. Researchers, company and government pay more attention to this new compost technology, while limited research can be only developed in composting plant. In order to develop membrane-covered compost test in laboratory, an lab-scale intelligent membrane-covered aerobic composting reactor test system was presented, including fermentation system, gas distribution system, membrane-covered system and control system. In accordance with the thermodynamics and relevant principles, the whole system and subsystem of the reactor were optimized. The reactor tank was cylindrical and volume of the tank was 90L. Aeration system can provide an accurate aeration with a frequency control fan, the maximum aeration rate was 20L/min and the aeration accuracy was 0.1L/min. A selected pervious membrane-covered system was designed which used PTFE as a core material compared with traditional aerobic composting reactor system. The membrane-covered system and fermentation system were connected by seats. A system of measurement and control was developed that can achieve temperature, oxygen concentration, pressure, aeration and gas real-time accurate monitoring and multivariate feedback control. The results of property test showed that the compost tests results were good according to main physical, chemical and biological indicators. In conclusion, various requests of compost tests can be satisfied by the lab-scale intelligent membrane-covered aerobic composting reactor system.

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孫曉曦,馬雙雙,韓魯佳,黃光群.智能型膜覆蓋好氧堆肥反應(yīng)器設(shè)計與試驗[J].農(nóng)業(yè)機械學(xué)報,2016,47(12):240-245. Sun Xiaoxi, Ma Shuangshuan, gHan Lujia, Huang Guangqun. Design and Test on Lab-scale Intelligent Membrane-covered Aerobic Composting Reactor[J]. Transactions of the Chinese Society for Agricultural Machinery,2016,47(12):240-245.

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  • 收稿日期:2016-09-05
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  • 在線發(fā)布日期: 2016-12-10
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