【摘要】 针对近年来经常发生的亚铵法造纸蒸球内表面裂纹情况,介绍了对典型蒸球裂纹的检测和试验分析,确定了裂纹成因是应力腐蚀,进一步分析了蒸球壳体产生应力腐蚀的原因,提出了防止应力腐蚀裂纹在定期检验、使用工艺和管理、设计制造等方面应采取的措施。更多还原

【Abstract】 According to the recent common occurance of the condition of inside surface cracks in the ammonium method paper making sperical steam holder,it introduces the typical periodical inspection and examination and the measures should be taken in respect of used process and mannagement, design, fabrication and etc,for the spherical steam holder cracks.更多还原