Pre-treatment system for acid water of oil refinery
A sour water and oil refinery technology, which is applied in the field of sour water pretreatment system in oil refineries, can solve the problems of unsatisfactory vapor-liquid balance in the stripper, large environmental pollution, and poor quality of liquid ammonia, etc., and achieve stable desulfurization effect , avoid secondary pollution, simple operation effect
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[0026] See figure 1 , An acidic water pretreatment system for an oil refinery is mainly composed of 3 sequentially connected acidic water storage tanks, 2 water-sealed tanks, 2 sets of impurity and oil removal equipment, and 1 set of acidic water top gas degassing and deodorizing equipment 6; The three acidic water storage tanks mentioned above include the impurity and oil removal tank 1, the stabilization tank 2 and the stripper feed tank 3; the 2 water sealing tanks include the positive pressure water sealing tank 4 and the safety water sealing tank 5; 2 sets of impurity removal tanks The degreasing equipment includes a tank-in-tank degreasing and impurity removal equipment 7 and a swirling fine degreasing equipment 8. The tank-in-tank degreasing and impurity removal is built in the impurity degreasing tank 1. The raw acid water is connected to the inlet of the impurity degreasing tank 1 through the degassing tank; the outlet of the impurity degreasing tank 1 and the inlet of...
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