CHENGTian-shi,QIYao-le,DONGPeng-hui,et al.Operational Optimization Practice of Sewage Lifting Pump Unit Based on Sequential Controll Principle[J].China Water & Wastewater,2025,41(22):111-116.
基于时序控制原理的污水提升泵组运行优化实践
- Title:
- Operational Optimization Practice of Sewage Lifting Pump Unit Based on Sequential Controll Principle
- Keywords:
- sewage treatment plant; sequential control; sewage lifting pump unit; operational optimization; energy conservation and consumption reduction
- 摘要:
- 针对某城市污水处理厂进水泵房液位波动大、动力提升能耗高等问题，通过优化污水提升泵组的水量调节范围，基于历史运行数据和参数率定合理设置时序控制边界条件，有效降低泵组运行能耗。在此基础上，将时序控制逻辑接入自动控制系统，有效减少了人工干预。结果表明，实施优化措施后泵组的平均电耗为0.047 kW·h/m3，较实施前平均电耗（0.054 kW·h/m3）同比下降12.96%，处于最佳液位区间的时段由实施前的54.47%提升至86.31%。此外，采用时序控制后能够更好地适应阶梯电价政策，有利于可持续发展。
- Abstract:
- There are some problems in the inlet pump room of a municipal sewage treatment plant, such as large fluctuation of water level and high energy consumption. Based on historical operating data and parameter calibration, this study significantly reduces the energy consumption of the pump unit by optimizing the water volume adjustment range of the lifting pump unit and setting reasonable sequential control boundary conditions. On this basis, the sequential control logic was integrated into the automatic control system, effectively reducing manual intervention. The results showed that after the implementation of optimization measures, the average electricity consumption of the pump unit was reduced to 0.047 kW·h/m3, a year-on-year decrease of 12.96% compared to the average electricity consumption of 0.054 kW·h/m3 before implementation. The period in the optimal liquid level range increased from 54.47% before implementation to 86.31%. In addition, the sequential control can better adapt to the tiered electricity pricing policy and achieve sustainable development.
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