A transverse jet agitation mixing liquid tracer particle generator

Abstract

The invention discloses a transverse liquid injecting, stirring and mixing trace particle generator which mainly comprises an oil accommodating tank (1), gas flow spray pipes (2), a support plate (3), a threaded clamp sleeve connector (4), a flange cover (5), support plate struts (6), a flow turbulence plate (7), an oil quantity observation connector (10) and an oil quantity observation pipe (11). Sealing rings with specific specifications are arranged in an O-shaped sealing ring slot (8) in usage procedures, so that internal working pressures of the particle generator can be guaranteed; atomized gas can flow into the gas flow spray pipes via the upper portion of the flange cover, a small hole is formed in the lower end surface of each spray pipe, and four rows of eight holes (with the unequal diameters ranging from 0.5 millimeter to 0.8 millimeter) are formed in each side surface of each spray pipe; pressurized dilution gas can be injected into the transverse liquid injecting, stirring and mixing trace particle generator at the high speed via a jet flow inlet (9), the turbulence level can be upgraded after gas flow flows through the flow turbulence plate, and mixing effects can be improved; the oil quantity observation pipe is a transparent pneumatic flexible pipe, and the internal oil quantity of the particle generator can be observed by the aid of the oil quantity observation pipe. The transverse liquid injecting, stirring and mixing trace particle generator has the advantages of simple structure, simplicity and convenience in operation, easiness in popularization and capability of stable and uniformly generating particles.

Description

technical field [0001] The invention relates to the technical field of tracer particle generators, in particular to a transverse jet agitation and mixing liquid tracer particle generator, which can be used for particle tracer technologies such as particle image velocimetry (PIV) and laser Doppler velocimetry (LDV). Provides a steady stream of tracer particles. Background technique [0002] The measurement results of tracer particle measurement techniques such as PIV and LDV have a high dependence on the diameter, uniformity, and flowability of the tracer particles. At present, solid-state tracer particles represented by titanium dioxide and aluminum oxide and liquid tracer particles represented by silicone oil and edible oil are widely used. In small-scale spaces or flow fields with complex spatial structures, solid-state tracers Particles are easy to adhere to the surface of pipelines or structural parts, which is difficult to clean, and even cause blockage to some small h...

AI Technical Summary

Problems solved by technology

At present, solid-state tracer particles represented by titanium dioxide and aluminum oxide and liquid tracer particles represented by silicone oil and edible oil are widely used. In small-scale spaces or flow fields with complex spatial structures, solid-state tracers Particles are easy to adhere to the surface of pipelines or structural parts, which is difficult to clean, and even cause blockage of some small hole structures; in addition, the cost of solid atomized particles is high, so it is not suitable for large-scale equipment experiments and industrial production processes with large usage and long-term ; more importantly, in order to meet the requirements of tracer particles with flow, the particle diameter should be about 1 micron. Solid particles with this diameter can directly enter the alveoli of the human body and pose a serious threat to the personal health of equipment operators.

Images