This paper analyzes on the present situation of the damage and the causes of the erosion of the coke oven cross brace,and discusses on the merits and demerits of the integral replacement and the cut-off replacement of the cross brace and the procedures of the replacement.

End Cover Replacement on φ4.2m×10m Cement Mill;

Quick removal and replacement of dummy bar head of continuous caster;

Application of New Technology in Replacement of 300t-Converter Shell at Baosteel;

In order to gurantee system normal operation,we replaced the second,third and fourth supporting ring that have been damaged badly.

Many ropes of fall to the ground type rub to promote the machine to replace a cage craft complications,start construction method mainly from fix a cage of the east side the steel wire rope,take off a bottom of west the tail rope combine fixedly,hang the west bottle with to equip to take off to open,pull up the west bottle.

The craft of producing rail rope head of multi-rope friction hoist is sophisticated,and the replace method of tail rope is different according to the different mine,the safe construction problem is particularly important.

Discuss how to change large displacement expansion device

The paper briefly introduces the design and construction of the hanger rod change of the bridge, taking the hanger rod change of Qindou Bridge in Hangzhou City as a background.