| 摘要 |
A system is provided which is capable of measuring the thickness of an emulsion layer in a desalter, with high precision and in real time. In the desalter for introducing crude oil with which an emulsion breaker and water are mixed, forming the emulsion layer, separating a mixture of oil and water to form the upper and lower regions of a vessel across the emulsion layer, separating and dissolving chloride ion contents in the crude oil into the water, draining the desalted oil from the topside of the vessel, and draining the separated water from the bottom side of the vessel, the thickness of the emulsion layer is measured according to the distribution of pressure difference between an internal solution, including the emulsion layer, ranging from the top to bottom sides of the vessel and the drained water.
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