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P0914TN

P0914TN

P0914TN

P0914TN

1）完善气源系统 要解决气动系统的节能问题，应从完善气源系统入手，即从压缩空气的生产、处理、输送、分配的整个气源系统全盘考虑，采取综合措施。

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结构型式不同的空气压缩机生产同样多的压缩空气，由于其效率不一，消耗的能量就有差异。速度型的透平式空压机的效率低，如把10m3自由空气压缩成0.6MPa的压缩空气，由排量为1000 m3/h的透平式空压机生产，耗能1.77kW•h。而生产同样数量和压力的压缩空气，如用同样排量的活塞式空压机生产，仅耗能0.83kW•h。因此，从节能角度出发，空压机的节能与空压机的结构型式有关。
在选择空压机时，采用具有完善级间冷却的多极压缩机可节省能量、提高效率。例如二级压缩比单级压缩节能15%以上，三级压缩比二级压缩又节能5%~10%。
改变传统的设计观念，将全厂集中的由大型空压机供气的空压站，转变为由在气动系统附近的分布在厂区内的多台较小型空压机供气更为经济。例如，由一个空压站集中供气，压缩空气输送管道长，沿程压力损失大，为保证用气设备有足够的工作压力，空压机出口压力较高。而用多台空压机的供气系统，空压机在耗气车间附近安装，沿程损失小，可以降低出口压力。试验证明一项可节能20%。
空压机吸入空气的温度每增加3℃，就要增加压缩功约1%。因空压机房室内温度均高于室外温度，因此，空压机进气管道应接到室外温度较低，环境干净，干燥的地方。在冬季室外比室内温度低15℃，可节能约5.1%。
使空压机在生产压缩空气时，气体流经过滤设备的压力损失小，是气源系统减少损失的又一个节能因素。所以过滤设备必须保持良好的工作状态。
消除气动系统的泄漏，是气动系统节能的另一个重要措施。泄漏使压缩空气的能量白白消耗掉，而使生产成本上升。

（2）采用气—电或气—液复合传动控制系统，实现节能 由于微电子技术的飞速发展，计算机的应用也进入了气动控制技术的领域。用于控制气动执行元件的，由普通气动元件组成的，复杂的气动逻辑控制回路，现在已可由微型计算机或可编程序控制器代替。只要编制不同的程序便能实现气动装置生产自动化的不同过程。目前，气动电磁阀的电磁铁消耗功率大多在1.8W以下，小型阀也有功率仅为0.45W的，直动型阀的功率一般也都小于4W。电磁铁低功耗的意义不仅仅在于节约电能，提高电磁铁的可靠性，另一方面也为气动技术与微电子技术相结合，创造了必要条件。低功耗的气动元件，作为可编程序控制器直接驱动的元件，实现复杂的大规模程序控制，可获得很好的节能效果。

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