Comparison between steam jet pumps and liquid ring vacuum pumps
Thread Content
I would like to ask which is more cost-effective, a water ring vacuum pump or a steam jet pump? Steam at 7BAR costs 70 yuan per ton ； But one ton of steam can generate 50 KW of electricity ； Which one is better? In other words, under the same operating conditions ； Which has more power: 1 ton of steam or 50 KW of electricity?
Where are you from, OP? Is steam only 70 yuan per ton? Give it away for free. Modern heat pump technology relies on the difference between the cost of steam and the cost of electricity (currently, the cost of steam here is 180 yuan per ton, while the electricity cost is 0.9 yuan per kWh)
The ultimate vacuum levels that can be achieved by the two are also different, and the steam from a steam ejector pump is not necessarily rendered useless once it has been exhausted – its latent heat remains.
There is also the issue of efficiency when converting steam into electricity. It’s more economical to use steam after all
The steam injection efficiency is too low; it’s more cost-effective to use a vacuum pump
It depends on the specific circumstances of our factory. The cost of steam here is much higher than that of electricity, so it’s more economical to use electricity!
Generally, steam jet pumps are used for intermittent operation, while liquid ring vacuum pumps are used for continuous operation. Experience shows
The steam injection efficiency is too low, and electricity costs are low; overall, it is more cost-effective to use a vacuum pump.
KW is a unit of power; KW*h is used to calculate energy
The project is a cogeneration project. Therefore, the steam cost is low. :)
A steam jet pump generally needs to be connected in series with a water ring vacuum pump in order to operate; I’ve never seen one used on its own