管道积灰严重时，可以采取以下几种方法进行处理：

　　When there is severe dust accumulation in the pipeline, the following methods can be used for treatment:

　　人工清灰 ：

　　Manual dust cleaning:

　　定期安排人员从清扫孔开始清灰。

　　Regularly arrange personnel to start cleaning the dust from the cleaning hole.

　　设计管道侧面的清扫孔，确保无漏风现象。

　　Design cleaning holes on the side of the pipeline to ensure no air leakage.

　　管道声波清灰 ：

　　Pipeline acoustic cleaning:

　　利用声波技术清除管道内的积灰。

　　Use sound wave technology to remove dust accumulation inside pipelines.

　　化学清洗法 ：

　　Chemical cleaning method:

　　使用化学清洗剂将管道内的积灰化解并冲刷干净。

　　Use chemical cleaning agents to dissolve the accumulated dust in the pipeline and flush it clean.

　　高压水射流法 ：

　　High pressure water jet method:

　　使用高压水枪或喷嘴对管道内部进行冲击和切割，将积灰冲刷干净。

　　Use high-pressure water guns or nozzles to impact and cut the inside of the pipeline, and wash away the accumulated dust.

　　物理化学清洗 ：

　　Physical and chemical cleaning:

　　利用物理化学原理，如吹脱、气提、汽提等方法分离管道内的积灰。

　　Using physical and chemical principles, such as blowing off, gas stripping, and steam stripping, to separate accumulated ash in pipelines.

　　机械清淤 ：

　　Mechanical dredging:

　　使用挖掘机或推土机等设备直接将检查井内的污水吸走，进行清淤工作。

　　Use equipment such as excavators or bulldozers to directly suck up the sewage in the inspection well for dredging work.

　　真空吸取 ：

　　Vacuum suction:

　　通过真空吸取技术，把管道内的杂质过滤掉并收集到指定地点。

　　By using vacuum suction technology, impurities inside the pipeline are filtered out and collected at designated locations.

　　降低吹灰时的空气压力 ：

　　Reduce the air pressure during soot blowing:

　　减小吹灰时的空气压力，以减小磨损和节能。

　　Reduce the air pressure during soot blowing to minimize wear and save energy.

　　选择合适的清灰方法时，需要考虑管道的尺寸、积灰的硬度、管道内部的空间以及安全因素。每种方法都有其适用场景和局限性，实际操作时可能需要结合多种方法以达到最佳效果。

　　When choosing a suitable cleaning method, it is necessary to consider the size of the pipeline, the hardness of the accumulated dust, the internal space of the pipeline, and safety factors. Each method has its own applicable scenarios and limitations, and in practical operation, it may be necessary to combine multiple methods to achieve the best results.

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