STAND FOR ANALYSIS OF WEAR OF FLOW SECTION OF CENTRIFUGAL PUMP Russian patent published in 1994 - IPC

FIELD: testing technology. SUBSTANCE: model under test is provided with drive mechanism and tachometer. Heat exchanger, sump for preparation of pulp, damper and device for measuring consumption of pulp are connected with shut-off fittings and control instruments by means of pipe lines. Flow section of model is made of dielectric wear-resistant and easily deformed material and is provided with seats for simultaneously receiving the specimens made of different materials. Seats are located by lines of flow at equal distance from axis of rotation of pump. Wear- resistant rubber is used as material for flow section. Units and joints of stand are made of polyurethane. Drive mechanism is provided with V-belt drive with change set of pulleys of different diameters. EFFECT: enhanced reliability. 4 cl, 6 dwg