The invention relates to the technical field of
train sewage disposal, especially to a
train and a
train water supply system. According to the train
water supply system, a water tank is moved from thecar bottom to the car top and is arranged above a urinal and a washing facility, the water tank supplies water to the urinal and the washing facility through gravity, and the leakage risk and damagecaused by leakage are lowered; overall
layout of the water tank, the urinal and the washing facility is compact,
energy consumption is less,
pipe arrangement is short, and recondition and maintenanceare convenient; a
sewage box, the urinal, a transit box and the washing facility on the car are arranged in the car, the
layout structure is compact, and
pipe connection is simple; the
sewage box is of a vertical structure and can be placed on a bottom frame of a car body, the side of the sewage box is mounted on the side wall of the car body, stable mounting is achieved, the vertical structure makes full use of the height space of a
carriage, the horizontal space of the sewage box is reduced, and
carriage utilization is improved; and relative to a lifting box body under the car, the sewage box structure arranged in the car is high in
safety coefficient, less in
energy consumption, convenient to maintain, and saving in space under the car, and the sewage box structure is suitable for carswith the small space under the car, such as double-
deck car.