Anode water discharge control method and water discharge system of hydrogen fuel cell

Abstract

The invention discloses an anode water discharge control method and a water discharge system of a hydrogen fuel cell. The method comprises the steps of separating hydrogen-containing waste water generated by the anode by using a hydrogen circulating pump, collecting the separated waste water into a container, monitoring the power of the hydrogen circulating pump in real time, and discharging the waste water in the container when the power of the hydrogen circulating pump is greater than or equal to a set threshold P0. According to the invention, real-time monitoring is carried out according tothe water accumulation condition, intelligent water discharge is realized, the equipment damage caused by frequent water discharge when the amount of waste water is small is avoided, the water blockage caused by untimely water discharge when the amount is waste water is large is also avoided, the operation is simple, manpower is liberated, the cost is reduced, and the system efficiency is improved.

Description

technical field [0001] The invention relates to the field of hydrogen fuel cells, in particular to a hydrogen fuel cell anode drainage control method and a drainage system thereof. Background technique [0002] A hydrogen fuel cell is a device that converts the chemical energy stored in fuel gas into electrical energy. Unlike lithium-ion batteries used as energy storage devices, hydrogen fuel cells do not store energy inside, but are similar to the energy conversion device of a car engine. As a clean energy source, hydrogen fuel cells have the potential to replace traditional gasoline and diesel engines, and have received widespread attention from the transportation industry. Proton exchange membrane fuel cell (PEMFC), as a kind of hydrogen fuel cell, uses a polymer film as a solid electrolyte to separate the positive and negative poles of the battery. The polymer film also undertakes the role of guiding the protons generated by the anode hydrogen reaction to the cathode, an...

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Problems solved by technology

However, it cannot solve the problem of "when to drain" and "start to drain when there is enough water". The control of drainage is also through manual or mechanical simple operation methods such as timing. The device itself does not judge the timing of drainage and based on the accumulated water. The ability of the case to drain itself

In the face of more extreme scenarios, such as severe water blockage or irregular water blockage time, the above devices also need manual intervention to deal with it

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