Taking specific engineering as an example,the paper discusses new technology background of 7 m coke oven masonry and pressure cleaning,introduces new technology features,and mainly analyzes new technology implementation methods and control matters,which has provid-ed technical support for promoting the technology.%以具体工程为例，论述了7m焦炉蓄热室砌筑和炉体负压清扫保护新技术的产生背景，介绍了新技术的特点，着重对新技术的实施方法及控制事项进行了阐述分析，为该技术的推广提供了技术支撑。
展开▼
