Fuel cell power generation system
A fuel cell and power generation system technology, applied in the direction of fuel cells, fuel cell additives, electrochemical generators, etc., can solve problems such as miniaturization of difficult devices, increase in contact area, increase in volume, etc., to ensure contact time, ensure contact area, reduction of running cost and installation space effect
Inactive Publication Date: 2008-01-02
FUJI ELECTRIC CO LTD
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Problems solved by technology
[0013] However, in the carbon dioxide removal device of the above-mentioned related literature, in order to sufficiently ensure the contact area and contact time between air and condensed water, it is necessary to increase the volume by enlarging the carbon dioxide removal device in the vertical or horizontal direction
Therefore, it is difficult to miniaturize the device
[0014] On the other hand, by setting packing in the carbon dioxide removal device, although the contact time and contact area between air and condensed water can be slightly increased, it is difficult to fully diffuse the condensed water to the entire packing, and it has a negative effect on increasing the contact area. scattering effect
Method used
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Embodiment Construction
[0037] Embodiments of the fuel cell power generation system of the present invention are described with reference to the following drawings. FIG. 1 is a schematic configuration diagram of a fuel cell power generation system of the present invention.
[0038] The fuel cell power generation system of the present invention is mainly composed of the following components: a fuel cell main body 1, which includes a fuel electrode 1a and an air electrode 1b, an electrolyte 1c between them, and each time a plurality of unit cells composed of them are stacked A cooling system 1d having a cooling pipe is provided; a reformer 3 for feeding reformed gas mainly composed of hydrogen obtained by reforming fuel into the fuel electrode 1a; an air feeding device 7 for feeding air through The air feed pipe L2 is connected to the air electrode 1b; the condensing heat exchanger 22 is used to recover condensed water from the exhaust gas discharged from the fuel cell body 1 and / or the reformer 3; the...
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A fuel cell power generation system has a condensing heat exchanger with a decarbonation device for removing carbon dioxide dissolved in condensed water including an inclined plate which has an upper side with an upper surface and a lower side with a lower surface. The inclined plate is made of a porous material, and is configured so that, by circulating air for decarbonation from the lower side toward the upper side of the inclined plate and simultaneously flowing the condensed water down from the upper side toward the lower side of the inclined plate, the condensed water comes into contact with the air for decarbonation on both the upper and lower surfaces of the inclined plate while flowing down along the inclined plate.
Description
technical field [0001] The present invention relates to a fuel cell power generation system including a carbon dioxide removal device capable of removing carbon dioxide contained in condensed water. Background of the invention [0002] A fuel cell power generation system is a power generation system for directly converting binding energy between hydrogen and oxygen into electrical energy. In such a fuel cell power generation system, using a fuel cell main body formed by stacking a plurality of unit cells having an electrolyte provided between a fuel electrode and an air electrode, an electromotive force is obtained by Hydrogen is added to the fuel electrode in the form of air, and oxygen is added to the air electrode in the form of air, where the fuel gas is obtained by steam reforming of a hydrocarbon-based raw fuel (for example, natural gas), and then the electrochemical reaction between the two electrodes is used. reaction. [0003] In order to reform the raw fuel into ...
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IPC IPC(8): H01M8/04H01M8/06
CPCH01M8/0668B01D19/0042H01M8/04164Y02E60/50B01D19/0005H01M8/0618H01M8/06H01M8/04
Inventor 佐佐木规雄
Owner FUJI ELECTRIC CO LTD