REFRACTORY MATERIAL

摘要

PURPOSE: A rheometer for high solids suspensions is provided to measure viscosity at near zero shear rate and to predict stiffness or slump resistance of a free standing paste at rest with high suspended solids. CONSTITUTION: The rheometer(10) has a moving rod(42) with a ballshaped tip(40) fastened at the end. The moving rod(42) travels vertically downwards at a preselected constant speed via a linearly moveable slide member(16) mounted on a slide guide bearing rail(20,22) into a pool of paste placed in a container(C). A digital force gauge(38) attached to such a rod(42) monitors measures and records the maximum force exerted on the ball tip(40) during impingement and subsequent travel downward thru the paste pool at such preselected constant speed as maintained by a controller module(34), ball screw means(28) and stepper motor(30)