The design of the spoil disposal system for the construction of the large and long tunnel tunneled through the inclined shaft is described emphatically herein,which includes the design of the spoil disposal through the inclined shaft with the railed transportation and the designs for both the arrangement of the machineries and the spoil bunker at the crossing of the main tunnel and the shaft.

This article briefly analysed the design of shaft coal pocket,and particularly expounded the impacts of design on construction.

This article describes the causes of forming bottom slag in band steel galvanizing and shows the harms of the slag to the operations of galvanizing.

This paper introduces in detail the positive pressure brook streaming phase pneumatic bottom slag handling system in the 8th phase technical renovation project of Hebei Power Cogeneration Co.