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1 叶轮式增氧机的选购1 .1 根据水面大小、养鱼数量的多少 ,确定增氧机的功率。增氧机每千瓦动力约可满足 0 .2 7hm2单产 750 0kg/hm2 成鱼池的增氧需要。1 .2 测定恶劣环境中水体的总耗氧速率 ,然后选择增氧能力大于耗氧速率的型号 ,以确保鱼类对溶氧的需要。1 .3 比较各
1 impeller aerator purchase 1.1 According to the size of the water, the number of fish, determine the power of aerator. Aerator per kilowatt power can meet the 0 2 7hm2 yield 750 0kg / hm2 aerobic pond into the needs. 1 .2 Determination of the total oxygen consumption rate of water bodies in harsh environments, and then select the type of aerobic capacity greater than the rate of oxygen consumption to ensure the fish’s need for dissolved oxygen. 1 .3 compare each