Anti-freezing Water Supply System for Hot Air Evacuation Passenger Train

Abstract

The invention discloses a hot air evacuation type anti-freezing water feeding system of a passenger train. The anti-freezing water feeding system comprises a plurality of unit water supply stations. Each unit water supply station comprises an insulated house, a water feeding pipeline, a water draining pipeline and a hot air pipeline, wherein an inlet of the water feeding pipeline is connected with a railway station water supply pipeline, an outlet of the water feeding pipeline is led out from the insulated house and connected with a water feeding hose and a water feeding connector, an inlet of the water draining pipeline communicates with the water feeding pipeline, and the water feeding pipeline and the water draining pipeline are each provided with an electromagnetic valve. An evacuation air outlet of each hot air pipeline is led out from the corresponding insulated house and used for being connected with the water feeding connector during evacuation. An automatic control device is further arranged in each insulated house and used for controlling open and close of all the electromagnetic valves and the corresponding hot air pipeline. The hot air evacuation type anti-freezing water feeding system of the passenger train has the beneficial effects that residual water in the water feeding hose and the water feeding pipeline can be evacuated and recovered after water feeding, the interiors of the pipelines can be dried, the pipelines are effectively prevented from being blocked by freezing, and therefore timely and reliable water supply can be guaranteed. The overflowing phenomenon caused by excessive water supply can be prevented, so that waste of the water resources is avoided.

Description

technical field [0001] The invention relates to a water supply system for passenger trains, in particular to a hot air exhaust type passenger train antifreeze water supply system. Background technique [0002] At present, during the operation of passenger trains, it is usually necessary to regularly and quantitatively water the trains. When the train stops and the water supply is completed, the operator inserts the water supply hose connectors of the water wells into the water receiving pipe joints of the carriage, opens the water supply valves in the wells to start water supply, and closes the upper water supply when the water tank in the carriage is full and overflows. Turn off the water valve, unplug the water supply hose connector, and stop the water supply. [0003] The problem that this water supply mode exists is: the remaining water in the water supply hose after water supply will freeze rapidly in the winter cold area and cause the water pipe to be blocked, so that...

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Problems solved by technology

[0003] The problem with this water supply method is that the remaining water in the water supply hose after water supply will freeze rapidly in winter cold areas, causing the water pipe to be blocked, so that the next water supply operation cannot be carried out smoothly

In order to prevent freezing, many stations do not close the water supply valve. The water flowing out of the water supply hose and the overflow water of the water tank in the carriage are directly discharged into the track bed. On the one hand, a large area of ​​the railway track bed and the working environment are frozen, which poses a great threat to the personal safety of the staff. hidden danger; secondly, deformation of the ballast bed endangers driving safety, and also causes a serious waste of water resources

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