Device and system for detecting oxides in pipeline

The utility model provides a device and a system for detecting oxides in a pipeline. The device for detecting the oxide in the pipeline comprises a magnetization unit which comprises a magnet and a magnet yoke, the magnet and the magnet yoke jointly form an arc-shaped structure, and the magnet is located at the first end of the arc-shaped structure; and the at least two first magnetic sensors are arranged on the inner side of the arc-shaped structure and are closer to the second end of the arc-shaped structure in the two ends of the arc-shaped structure. According to the device for detecting the oxide in the pipeline, the measurement accuracy of the content of the oxide when the pipeline has magnetism can be effectively improved. 本实用新型提供一种管道内氧化物检测装置和系统。该管道内氧化物检测装置，包括：磁化单元，包括磁体和磁轭，磁体和磁轭共同形成弧形结构，磁体位于弧形结构的第一端；至少两个第一磁传感器，设置在弧形结构的内侧，并且在弧形结构的两端中更靠近弧形结构的第二端。本公开实施例中的管道内氧化物检测装置，能够有效提升管道带有磁性时氧化物含量的测量准确度。