摘要：【中文】本发明提供一种结合臭氧氧化的双MBR法污水处理工艺，所述工艺包括预处理、生化处理、一级MBR法处理、臭氧氧化处理、二级MBR法处理后过滤得到符合排放标准用水，所述工艺能够降低常规臭氧的添加用量，减少污泥的产生，并且提高了难降解物的降解率，应用范围广，具有工艺实用性。 【EN】The invention provides a double MBR method sewage treatment process combined with ozone oxidation, which comprises pretreatment, biochemical treatment, first-stage MBR method treatment, ozone oxidation treatment and second-stage MBR method treatment, and then filtering to obtain water meeting the emission standard.

摘要：【中文】本发明公开一种压力工程用膨胀式水压气压联动密封的应用，采用膨胀密封对普通压力结晶器及其冷却水管路，实现在压力罐内气压和结晶器水管路压力同步升高的情况下达到水路与气路的良好密封。联动密封包括三大部分，①结晶器⑴设置带有补偿器波纹管的进水插入管：②在压力罐⑵内设有固定位置对应的水路连接水套；③压力罐⑵内的水路连接水套内镶嵌膨胀密封；压力罐(2)的气水平衡装置(3)使膨胀密封内的气压和结晶器(1)内水路水压联动，实现差压平衡。本发明具有以下有益效果：⑴通过进水插入管插入压力罐的对应水套内的膨胀密封，占用空间最小；⑵通过设置压力检测、水气平衡装置，易于对膨胀密封充气压力实现控制，达到水压和气压的平衡控制，优于其它密封方式。 【EN】The invention discloses an application of an expansion type water pressure and air pressure linkage seal for pressure engineering, which adopts an expansion seal to realize good seal of a water path and an air path under the condition that the air pressure in a pressure tank and the pressure of a water pipeline of a crystallizer synchronously rise by a common pressure crystallizer and a cooling water pipeline thereof.