As to the distortion of the three-dimensional coal dust pipe compensator,reasons are proposed,and some suggestions to improve the compensator layout and bracket design are put forward,which give the reference to relative project.

The temperature in chamber of gasifier and the constituents of synthetic gas were controlled by oxygen/coal ratio for the Shell coal gasification plant;the stability of pulverized coal pipeline played a critical role on the long-term and safety operation of the plant.

Analysis of re-failure form of gas pipeline which is enwinded and renovated by glassfiber;

This paper analyzes the main causes of corrosion on boilers' gas pipelines,puts forth the measure of teflon-steel coated thermoplastic inner-cased pipe,which was implemented.

Two rush-repair methods of patching up and sleeve for gas pipeline leakage are introduced.