Foundation pit supporting structure for circulating water tank and oil separation sedimentation tank

The utility model discloses a foundation pit supporting structure for a circulating water tank and an oil separation sedimentation tank. The oil separation sedimentation tank is connected to one side of the circulating water tank, the guide wall is connected into the circulating water tank, the water tank steel support and the sedimentation tank support are connected into the circulating water tank and the oil separation sedimentation tank respectively, and the Larsen steel sheet piles are connected to the outer sides of the circulating water tank and the oil separation sedimentation tank. According to the utility model, through the combined arrangement of the circulating water tank and the oil separation sedimentation tank, the short-distance connection between the water tanks is ensured, so that the use is convenient, the integrality of supporting and supporting between the water tanks is ensured, and the overall stress uniformity and stability are facilitated; through the arrangement of the water tank stee