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A fuel cell and power generation system technology, applied in the direction of fuel cell additives, solid electrolyte fuel cells, etc., can solve the problems of rising ambient temperature, fuel cell power generation system cannot run safely and stably, and reduce the hidden danger of hydrogen leakage, Save the auxiliary heating equipment and ensure the effect of heat supply
Active Publication Date: 2014-08-27
湖北长海新能源科技有限公司
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Problems solved by technology
In an underwater confined space, the conventional cooling method will increase the ambient temperature continuously, resulting in the inability of the fuel cell power generation system to operate safely and stably.
Method used
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Embodiment 1
[0024] like figure 1 Shown is a basic embodiment of the invention. A fuel cell power generation system, comprising a proton exchange membrane fuel cell module 1, a hydrogen storage device 2, an oxygen storage device 8, a DC / DC conversion unit 7, a monitoring unit 6, a constant temperature hot water tank 4, a cold water tank 5, and a heat exchanger 3. Water pumps, valves, and circulating water pipes 9 for hot water circulation branch A, cold water circulation branch B, and cold and hot water balance branch C; the hot water circulation branch A includes a constant temperature hot water tank 4, circulating Hot water delivery pump 9.1, proton exchange membrane fuel cell module 1, hydrogen storage device 2, heat exchanger 3; said cold water circulation branch B includes cold water tank 5, circulating cold water delivery pump 9.2, DC / DC conversion unit 7, storage Oxygen device 8; the cold and hot water balance branch C includes a constant temperature hot water tank 4, a hot water c...
Embodiment 2
[0028] The difference from Embodiment 1 is that the cold and hot water balance branch C is connected with the balanced hot water delivery pump 4.3 and the hot water control valve sequentially in the direction of water flow from the hot water outlet for balancing of the constant temperature hot water tank 4. 4.2, cold water tank 5, balance cold water delivery pump 5.3, cold water control valve 5.2, and finally connect the constant temperature hot water tank 4.
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Abstract
The invention relates to a fuel cell power generation system, especially a high-power proton exchange membrane fuel cell power generation system in an underwater isolated air environment, which includes a proton exchange membrane fuel cell module, hydrogen and oxygen storage devices, a DC / DC conversion unit, and a monitoring unit. Units, heat exchangers, water tanks, water pumps, valves, and circulating water pipes; hot water circulation branches include constant temperature hot water tanks, circulating hot water delivery pumps, proton exchange membrane fuel cell modules, hydrogen storage devices, heat exchangers; cold water circulation Branch includes cold water tank, circulating cold water pump, DC / DC conversion unit, oxygen storage device; hot and cold water balance branch includes constant temperature hot water tank, hot water control valve, balanced hot water pump, cold water tank, cold water control The valve balances the cold water delivery pump; one end of the monitoring unit is connected to the constant temperature hot water tank, and the other end is connected to the cold water tank. The invention has the advantages of being independent of external air, safe and reliable, simple and direct heat exchange process inside the system, and high heat cycle efficiency.
Description
technical field [0001] The invention relates to a fuel cell power generation system, in particular to a high-power proton exchange membrane fuel cell power generation system applied in an underwater isolated air environment. Background technique [0002] A fuel cell is a high-efficiency and low-pollution power generation device that does not undergo a combustion process. The fuel cell is different from the battery in the traditional sense, it directly converts the chemical energy stored in the fuel and oxidant into electrical energy electrochemically. There are many types of fuel cells, which can be divided into alkaline fuel cells, proton exchange membrane fuel cells, phosphoric acid fuel cells and solid oxide fuel cells according to different electrolytes. Among them, compared with other types of fuel cells, proton exchange membrane fuel cells have the advantages of high power density, high energy conversion efficiency, low temperature start-up, and environmental friendli...
Claims
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Application Information
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