![]() ![]() Some reputed manufacturer's of steam ejectors are listed below: Steam jet ejector manufacturer's (obviously the reputed ones) are still few in number and the design is generally customized for each application. ![]() Steam jet ejectors are still designed using a lot of empirical correlations and a lgreat deal of information related to their design is still not available in the public domain. Perhaps I have done it the wrong way and I'd appreciate if someone could point it out for me. What I don't quite understand from the final results is that the absolute pressure is above atmospheric and the temperature is below saturation temperature, which doesn't seem to be the case as suction pressure is created in the actual process and superheated steam shouldn't be condensing. If I use isentropic equations to solve for the nozzle exit pressure and temperature based on the above mach number and process conditions, I get: Steam (stagnation) temperature: 271.88 C = 545.07 K Steam (stagnation) pressure: 12.2 kg/cm 2g = 1.298 MPa ![]() Mach number calculated from area-mach relation = 2.1889 Ratio of specific heat capacities: 1.31 (steam) Some of the technical specifications of the steam ejector: ![]() I'm a new chemical engineer working in a bulk chemicals manufacturing plant and I'd like some help in understanding the steam ejector which makes use of superheated steam to deliver powder into a milling system. ![]()
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