Bubbling type humidifier utilizing waste heat of fuel cell stack to assist in humidifying and fuel cell stack system

• Main Authors: SONG XIANGQIAN, SONG CHEN, LYU YANHUI, XU LISHUANG, SHAN JINHUAN, WANG HONGMEI
• Format: Patent
• Language: Chinese; English
• Published: 06.09.2019
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The utility model discloses a bubbling type humidifier utilizing waste heat of a fuel cell stack to assist in humidifying and a fuel cell stack system. The humidifier comprises a humidifier shell, anair inlet pipe, an airlift pipe filled with corrugated packing and a demister are sequentially arranged along the axis of the humidifier shell from bottom to top. A heating rod is arranged between theairlift pipe and the inner wall of the humidifier shell; and a jacket with an inner cavity is arranged on the inner wall of the humidifier shell. According to the utility model, the problem of difficulty in bubbling and humidifying large air quantity is solved; dry air enters the humidifier; under the action of the corrugated packing and the demister, dry air can be humidified well; the humiditycan reach the set temperature of 100%, deionized water overflowing from the corrugated packing can flow back to a heating area at the bottom of the humidifier to be heated, it is guaranteed that the temperature of water in the