Testing component of rotary liquid-solid two-phase flow erosive wear testing device

Abstract

The invention discloses a testing component of a rotary liquid-solid two-phase flow erosive wear testing device. Eight test pieces to be tested are arranged in rectangular grooves of respective test piece fastening plates respectively; the test piece fastening plates are attached and fixedly connected with rectangular tangential planes of respective test piece racks by using screws; eight equal grooves are formed in a circular ring fixing frame; oblong tables at the bottoms of the test piece racks are embedded into the corresponding grooves of the circular ring fixing frame to be fixedly connected by using screws; and the circular ring fixing frame is welded with the inner wall of a slurry tank. The eight test piece racks all consist of upper semi-cylinders and lower oblong tables, and are arranged at angles of 0 degree, 15 degrees, 30 degrees, 45 degrees, 0 degree, 60 degrees, 75 degrees and 90 degrees with a central vertical plane in length direction of the oblong tables. According to the testing component, test pieces at different impact angles can be simultaneously tested, and the calculation errors of the actual impact speed and the impact angle are reduced; and the testing component is suitable for test of wear resistant properties of different materials and research of an erosive wear rule under various influencing factors.

Description

technical field [0001] The invention relates to a device for testing the erosion and wear performance of materials in a liquid-solid two-phase flow environment, in particular to a test component of a rotary liquid-solid two-phase flow erosion and wear test device. Background technique [0002] Fluid pipes, pipe fittings and valves are special equipment for transporting fluids under certain pressure. With the development of the economy, pipes, pipe fittings and valves have been widely used in the transportation of various fluid materials in crude oil, natural gas, tap water, urban liquefied gas and process industries. [0003] The study found that there are various forms of failure of pipes, pipe fittings and valves, such as material defects, corrosion, wear, external force damage, etc. Among them, erosion wear is the most extensive and common form of damage. Erosion wear failure has obvious locality, suddenness and risk, especially the erosion wear perforation caused by mul...

AI Technical Summary

Problems solved by technology

[0007] (1) The conventional rotary erosion wear test device cannot effectively control the impact velocity;

[0008] (2) The jet erosion wear test device cannot test specimens under various impact angles at the same time, the test time is long, and the actual impact angle error is large due to the spreading effect generated when the medium impacts;

[0009] (3) The pipe-flow erosion wear test device takes up a lot of space, high cost, and long test period, and the pump valve in the test device is easy to leak

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