Floating oil-water replacement oil storage and discharge platform pool test device and operation method

The invention discloses a floating oil-water replacement oil storage and discharge platform pool test device, which comprises a pool, a test model and an oil-water replacement system, the test model is suspended in the pool through a mooring assembly, and the oil-water replacement system is located outside the pool and is connected with the test model through an oil injection pipeline and an oil discharge pipeline. An oil-water interface position on-line monitor is arranged on the test model, an underwater camera system is arranged in the test model, an in-water oil content on-line measurement system which is connected with the bottom of the test model and is communicated with the inside of the underwater camera system is further included, and a temperature measurement system used for detecting the real-time temperature of the test model is further arranged in the water pool. The invention further provides an operation method of the floating oil-water replacement oil storage and discharge platform pool test d