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发明公开
CN103995494A 一种化工装置的关键设备的压力保护系统 无效 - 驳回

一种化工装置的关键设备的压力保护系统
摘要：
本发明提供了、一种化工装置的关键设备的压力保护系统，其包括安全PLC控制器、隔离电路、执行器、压力传感器和指示与操作面板。该压力保护系统可以提高关键设备出现超压时的自动保护能力；具有可靠性高，误动作少的优点；投资较少；降低工人的工作量。
摘要（英）：

The invention provides a pressure protection system for key equipment of a chemical engineering device. The pressure protection system comprises a safety PLC, an isolation circuit, an actuator, a pressure sensor, and an indication and operation panel. The pressure protection system can improve the automatic protection capacity of the key equipment at the moment of overpressure, and has the advantages of being high in reliability and small in investment and reducing workloads of workers, and false operation is little.

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