What is Steam Injection? - Steam Culture
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- Опубліковано 8 жов 2024
- Today on Steam Culture, Brent talks about how the invention of steam injection helped change how the boilers operated in steam powered locomotives. Steam injection uses nozzles to create velocity and localized areas of a vacuum to pull water out of a tank. This creates a self sustaining loop where steam helps pump water into the boiler which then turns into steam and the process continues.
The two videos used in our video today are:
• Graham Corporation - E...
• how steam injectors work
These are really good videos to watch to learn more about steam injection.
Key Terms:
Converging Diverging nozzel
Steam Injector
Water pump on a steam engine
Steam Education
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I had not given this a thought until recently, a model maker told me about clack valves feeding the boiler in a similar way.
This answers the question I had about the steam engine being a "batch process" or a "continuous process".
I thought it was a batch process because I figured there was no way you could overcome the high pressure in the boiler once it gets really hot. Back in the early days there was no such thing as a pump that could deliver water into the boiler with a higher pressure than the boiler pressure.
So, you're really "stealing" some of the energy (via the recirculation of steam) from the top of the boiler to "force a suction" of water and deliver it into the boiler at a higher pressure than what's in the boiler.
beautiful explanation and demonstration. Thanks
Well, the check valves can get stuck open (usually remedied by a good thwack with a hammer), and the injectors can stop working if they get too hot.
thank you for this super easy to understand explanation + historical background!
We use the steam injection in our boilers at work. The steam injector is connected to a feedwater tank that then pumps that water into the two high pressure boilers. It’s a way of saving energy and money.
If im not wrong you mentioned at last .. nozzle area increased hence pressure increased ??
Good info. Thanks.
Wouldn't this be a great way to cool reactors, that way the coolant water gets in, even if the generators don't work.
Thnq sir, informative