There are lots of coils inside the tank.
Connect the steam generator with thermal oil heater pipelines.
The hot oil will enter into the tank through coils, so that the water will be changed into steam. That is its working principles. Because the tank should bear steam pressure, as a result, the steam generator is one kind of pressure vessels.
We can make it according to the user's demands.
0.2T, 0.5T, 0.7T, 1T, 2T, etc.