Jet Vacuum System Steam jet ejectors provide an easy, reliable, cheap way to produce jet vacuum system. They’re particularly effective in the chemical industry wherever an on-site supply of the high-pressure motive gas is accessible.
Ejectors are considered an alternate to mechanical vacuum pumps for variety of reasons:
No supply of power is needed aside from the motive gas;
Because they have no moving elements, they're reliable vacuum producers;
They are simple to install, operate and maintain.
Ejector Design Very simply, an ejector is a pumping device. It has no moving parts. Instead, it uses a fluid or gas as a motive force. Very often, the motive fluid is steam and the device is called a steam jet ejector. Basic ejector components are the steam chest, nozzle, suction, throat, diffuser and they discharge.
Vacuum Systems Products Compressed air driven vacuum ejector Air ejectors are used to handle continuous process loads at vacuum in the industry. The higher reliability and maintenance free operation ensures that the ejectors are always up and running in the process. An excellent ability to generate and hold vacuum ensures exact operating conditions for the process. Air being chemically inert doesn’t react with the process media and ensures noncontamination and also eliminates the risks of explosion or any other hazards.
Process Gas Ejectors Ejectors can be designed to work with any gas or vapour as its motive energy source. Such Ejectors can be used for drawing Vacuum as well as to work as Compressors in the above atmospheric pressure range. Running an ejector with available high pressure vapour/gas helps to eliminate the costs required for creating a separate infrastructure for the Ejector motive fluid source such as Air or Steam. Contamination of the process media can be avoided by using the same media under high pressure as the motive energy source.