What are the advantages and disadvantages of placing an electrodesalination oil remover before and after the water injection and drainage heat exchanger?
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What are the advantages and disadvantages of placing an electrodesalination oil remover before and after the water injection and drainage heat exchanger? Have you seen the performance of oil removers of that type as well?
From a design perspective, it is better to place the oil remover in front of the water injection and drainage heat exchanger; this ensures that water free of sludge enters the heat exchanger, reducing the likelihood of clogging and thereby improving the performance of the heat exchanger equipment. Furthermore, at high temperatures oil and water tend to separate, so it is generally placed before the heat exchanger. But placing it after the heat exchanger also has advantages: the temperature drops, the viscosity of the oil increases, making oil removal easier. Based on my years of production experience, electric desalination water-cutting and oil-removal devices have only average performance; it can even be said that they are not very effective.
I think it should be placed behind the heat exchanger, as the oil remover is equipped with a drainage system and the operating pressure should not be too high. The WS-III-30 type three-phase swirl liquid coarse particleization and water separation device performs fairly well