(1. 中南大學(xué) 能源科學(xué)與工程學(xué)院，長沙 410083；
2. 中南大學(xué) 流程工業(yè)節(jié)能湖南省重點(diǎn)實(shí)驗(yàn)室，長沙 410083；
3. 湖南節(jié)能評價技術(shù)研究中心，長沙 410083)
摘 要: 為定量分析電解錳生產(chǎn)流程的能源利用情況，以鋼鐵生產(chǎn)流程的“基準(zhǔn)物流圖”概念為基礎(chǔ)，建立電解錳生產(chǎn)流程的理想物流圖，提出理想能耗的計(jì)算方法。以某電解錳企業(yè)生產(chǎn)數(shù)據(jù)為依據(jù)，繪制該電解錳生產(chǎn)流程的實(shí)際物流圖和理想物流圖，計(jì)算出電解錳單位產(chǎn)品理想能耗為22.32 GJ/t，并定量分析各類物流變化對電解錳理想能耗的影響。結(jié)果表明：在電解錳生產(chǎn)流程中，當(dāng)出現(xiàn)α物流時，將使能耗降低，有利于節(jié)能；當(dāng)出現(xiàn)β和γ物流時，將使能耗增加，而且越是后部工序出現(xiàn)這兩種物流，能耗增加的越多。為降低電解錳能耗，應(yīng)降低外排礦渣和陽極泥中Mn元素的含量，使各道工序中的含Mn物流盡量多地輸入到下一道工序。
關(guān)鍵字: 電解錳；物流；理想物流圖；理想能耗
（1. School of Energy Science and Engineering, Central South University, Changsha 410083, China;
2. Hunan Key Laboratory of Energy Conservation in Process Industry,
Central South University, Changsha 410083, China;
3. Hunan Research Center of Energy-saving Evaluation Technology, Changsha 410083, China）
Abstract:In order to quantitatively analyze the energy utilization in the electrolytic manganese metal (EMM) process, based on the concept of standard material flows diagram of steel manufacturing process, the concept of optimal material flows diagram of the EMM process was defined and the calculation method of optimal energy intensity was put forward. Based on the EMM plant data, the real material flows diagram of this plant was figured out, and the optimal material flows diagram was established accordingly. The unit optimal energy intensity for the EMM products was calculated as 22.32 GJ/t. The influences of material flows in EMM process on its optimal energy intensity were analyzed quantitatively as examples. The results show that, when the material flows of α are happened in the EMM process, the energy intensity of final product decreases, and it is beneficial for energy-saving. Nevertheless, when the material flows of β and γ happen in the EMM process, the energy intensity of final product increases significantly. In order to decrease the energy intensity of EMM product, the manganese containing materials of mineral waste residue and anode mud should be reduced, and the manganese containing materials should be impelled input to the next unit process as many as possible.
Key words: electrolytic manganese metal; material flow; optimal material flow diagram; optimal energy intensity
