Water hammer eliminating device applied to long-distance high-lift pipeline in complex terrain

The utility model discloses a water hammer eliminating device applied to a long-distance high-lift pipeline in a complex terrain. The water hammer eliminating device comprises a pump outlet main pipe (1), a branch pipe, a bypass pipe (3) and an inner container type water hammer eliminating tank (9) connected with the tail end of the branch pipe. The branch pipe T is connected to the middle of the pump outlet main pipe (1), the branch pipe is divided into a first branch pipe (2) and a second branch pipe (7), the first branch pipe (2) is communicated with the pump outlet main pipe (1), the bypass pipe (3) is a U-shaped pipe, and the two ends of the bypass pipe (3) are communicated with the first branch pipe (2) and the second branch pipe (7) respectively; an inner container (8) is arranged in a cavity of the inner container type water hammer eliminating tank (9), a gap is formed between the inner container (8) and the inner wall of the cavity of the inner container type water hammer eliminating tank (9), and th