Steam Injectors and their working principles explained!

Steam InjectorsSteam Injectors or a thermo-compressor, an eductor-jet pump or a steam ejector is a pump that uses the Venturi effect of a converging-diverging nozzle. In this way, steam injectors convert pressure energy of a motive fluid to velocity energy. This furthermore, creates a low-pressure zone that entrains a suction fluid which it previously draws in.

The mixed fluid expands after passing through the throat of the injector. By doing this it reduces velocity which results in recompressing the mixed fluids. Thus, when the mixed fluids are reduced, velocity energy converts back into pressure energy.

The entrained suction fluid may be liquid, gas, dust-laden gas or a slurry. In the video below, you’ll be able to see how steam injectors work. Check it out!


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