May I ask how to simulate an electric dehydrator in hysys and how to implement an electric desalination device?
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I don’t know if anyone has done this. I feel like it can only be replaced by a two-phase separator, but the electric field cannot be achieved. no way
In HYSYS, under steady-state conditions, separation can only be achieved through Component splitter. If it is a dynamic simulation, you have to have other options. Please explain the problem clearly next time.
The component splitter mentioned above is used to separate components, right? I have an electric dehydrator. Electric desalination is the physical separation of oil/water or oil/salt under the action of an external electric field. When simulating a separator, the electric field cannot be set, and the separator does not have such internal parts at all. So it’s embarrassing
As far as I know, all current process simulation software, whether it is HYSYS, Aspen Plus, Pro II, VMGSim, ChemCAD, does not seem to be able to simulate electrical desalination and dehydration equipment. It is generally simulated using a three-phase separator. Because the electric field cannot be simulated, there is no need to use a component separator. Friends on the forum, especially technical staff working at Aspen Tech and other companies, are welcome to correct me! Thanks!
In fact, not to mention the electric dehydrator, even the separator cannot be simulated accurately, because professional separator designers generally use proprietary separation components and special software or algorithms. This is just like these general software can calculate the tower, but for the hydraulic calculation of the tower, professional manufacturers are still required to design and calculate. The same is true for the design of internal parts and power supply in the key technologies of electric dehydration/salt equipment.
Regarding this, it depends on the purpose of your simulation. From the perspective of dynamic simulation, HYSYS can use a three-phase separation tank to simulate the gas-water-oil separation situation. In fact, the electric field of the electric desalting tank is to strengthen the oil-water separation effect in principle. When we do dynamic simulation, we can choose the appropriate physical property equation. In the field of CDU, it is recommended to use the PR equation or the SRK equation for simulation. It is considered that the electric field of the electric desalting tank is in normal working condition.
I agree with what was said above. If it really doesn't work, then we can carry out secondary development.
My experience with component separators is to set the separation efficiency of the components under steady-state operation, so as to achieve smooth settings for the entire process. But when it comes to simulating this thing alone, I have no experience at all. When this manufacturer made it, I didn’t know how to achieve it. Every industry has its own tricks.……