轴流泵是磷酸浓缩工序的重要设备,轴流泵的密封直接影响其正常运行。通过干气密封、填料密封和机械密封在轴流泵上应用情况的对比,以及对干气密封结构和控制系统的介绍,说明干气密封用于轴流泵后装置运行稳定,工艺介质零泄漏,开车率提高,维护费用降低。 Axial flow pump is an important process of phosphoric acid concentration process, the axial flow pump seal directly affects its normal operation. Through the dry gas seal, packing seal and mechanical seal in the axial pump on the application of contrast, as well as the dry gas seal structure and control system introduction, indicating dry gas seal after the axial flow pump device is stable, zero leakage of process media , Driving rate increased, lower maintenance costs.