STAND FOR STUDY OF LIQUID FLOW IN PIPELINE

FIELD: transportation.SUBSTANCE: invention relates to the field of research of pipeline transport hydraulics, in particular, to stands for the study of stationary and non-stationary processes occurring in multiphase hydrocarbon streams. Stand for studying the flow of fluid in the pipeline includes a unit for studying the flow in gravity sections of pipelines, a unit for studying the processes of accumulation and removal of water in the pipeline, a unit for researching non-stationary processes in the pipeline, a unit for modeling pumping stations, a unit for researching the processes of mixing during the sequential transfer of liquids with different physicochemical properties, a block of tanks and a unit for the local automation system of the bench, the unit for the study of flow on gravity sections of pipelines includes piping with a measuring line of transparent material, made with the possibility of changing the profile, adjustable pump and pumps for creating additional vacuum, connected to the measuring line, cylinder with inert-gas mixture, compressor unit, shut-off and control valves, piston supply and receiving chambers, vortex flow meter, pressure and temperature sensors; unit for studying the processes of accumulation and removal of water in the pipeline includes a piping with a V-shaped measuring line of transparent material with ascending and descending sections mated by a rigid insert at an angle from 15° up to 90°, a lifting mechanism ensuring the lifting of the V-shaped measuring line from the horizontal surface to from 0° up to 90°, pump for supplying model liquid, made with the possibility of controlling the capacity, dosing pump for water supply, supply tank for water, pressure and temperature sensors, in-line moisture meter, shut-off and control valves, ultrasonic flow meter, mixer; unit for studying non-stationary processes in the pipeline includes a piping with a measuring section containing at least one leak modeling section on which a mass flow meter is installed, pressure sensors and valves and fittings, a receiving-flow tank for a model fluid, a pump, vortex flowmeters installed at the beginning and end of the measuring section; unit for modeling the operation of pumping stations includes four adjustable pumping units, piping, made with the ability to produce both sequential and parallel connection of pumping units, a vortex flow meter, pressure and temperature sensors, shut-off valves; unit for studying the processes of mixing with