Automatic adopts to clean the dust,oil stain and other besmirch of the train. By using the water, cleaning agent and the brush to wash two lateral of the railroad train, include the car door with the pane. The Automatic Train Washing System is constituted by washing system, electricity control system, water supply system, compressed air supply systems. It adopts the train self-draught. The train passes the warehouse to wash and brush with the speed of 2-4 km/ h. Automatically proceeds railroad train two lateral washing. Wash the bodywork surface to have no the dust, mud with the other attachment. Wash the empress's water to pass by to handle to behind circularly use. Have the auto or manual control function and can choose if use a cleaning agent.
Functions Introduction:

1) This can auto wash the lateral extern surface.
2) This Train washing System can auto wash the   corners of the roof of train.
3) This Train Washing System provides to automatically clean the train; meanwhile, manual cleaning is also possible when it need test and having any especial circs. 
4) Each working section can work manually and move from point to point.   
5) This system provides to display the washing state of each working section, any
failures and relevant parameter.
6) This system has the perfect system protecting function. It also provides to give alarm both automatically and manually in the event of a failure.
7) This system can reuse the circulating water.
8) This machine provides the record function: the train’s number, washing times, if using the detergent or not. 
9) This machine provides two alternative ways of washing: detergent solution washing and fresh water washing.  

Main Equipment Character:
1). Main Frame Structure:

The whole frame structure adopts deep-galvanized steel, and high precision jointing to extend the lifetime of whole system.
2). Train Diagnosis System:
This Train Diagnosis System mainly diagnosis the train entrance and the send the signal to PLC to control the whole train washing plant automatically. Far infrared scanning system provide accurate computer signal for PLC. It has IP56 class of waterproof.
3). High Pressure Pre-washing System:

This system adopts stainless steel standing Multistage Centrifugal Pumps, keeping high clean affection for train. Water supply system composes of rinsing and recycling water system, including water pump, pipeline, valve, water tank and location water of control etc. The structure of water tank used advanced whole closed round mold. Water pump choices imported centrifugal pump, pipeline and bullock are made up of stainless steel.
4). Detergent Spraying System:
This system is consisted of nozzle, stainless steel pipe, pump, and container and so on. 
This system adopts Siphon technology, and can adjust spraying detergent according to requirements with stability work, homogeneous spraying, easily maintenance and so on advantages.
5). Vertical Brush System: