Fuel cell system
A fuel cell system and fuel technology, applied in fuel cells, fuel cell additives, circuits, etc., can solve the problem that gas-liquid two-phase flow cannot be separated into liquid and gas
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no. 1 approach
[0035] As shown in FIG. 1 , the fuel cell system 1 includes a gas-liquid separation device 10 , a mixing tank 11 , a volatile organic compound (VOC) removal unit 18 , a power generation unit 20 , and a detachable fuel tank 27 .
[0036] The gas-liquid separation device 10 includes a lyophobic tube 2 , a lyophilic tube 3 communicating with the lyophobic tube 2 , and a lyophobic member 4 for blocking the passage of the lyophilic tube 3 . The lyophobic tube 2 communicates with the lyophilic tube 3 through a connecting tube 5 . The lyophobic tube 2 is wound in a spiral shape to increase a contact area with the fluid flowing through the lyophobic tube 2 , and is accommodated in an air tank 6 . The gas tank 6 has a liquid supply port 7 for supplying thereto a gas-liquid two-phase flow released from the anode of the fuel cell body itself, and an exhaust port for releasing the gas permeated and collected from the wall of the liquid-repellent tube 2 8. The exhaust port 8 communicates...
no. 2 approach
[0062] A fuel cell system 1B according to a second embodiment of the present invention will be described below with reference to FIGS. 3 , 4A, and 4B. In FIG. 3 , similar reference numerals are used to designate similar or identical parts to those in FIG. 1 , and descriptions of these parts are omitted for brevity.
[0063]As shown in FIG. 4B , the gas-liquid separation device 201 is provided with a lyophilic tube 202 and a lyophobic tube 203 . One end of the lyophobic tube 203 is closed. The closed end of the lyophobic tube 203 is inserted into the lyophilic tube 202 . A partition wall 204 is provided between the outer wall of the lyophobic tube 203 and the inner wall of the lyophilic tube 202 to block fluid flow through the lyophilic tube 202 . A fluid supply port 205 to which a gas-liquid two-phase flow is supplied is provided at a position upstream of the lyophilic tube 202 . An exhaust port 206 is provided at the end of the lyophobic tube 203 opposite to its closed end...
no. 3 approach
[0071] A fuel cell system 1C according to a third embodiment of the present invention will be described below with reference to FIGS. 5A , 5B, and 3 .
[0072] Gas-liquid separation device 301 comprises: main channel 302, and its one end is closed, and cross-section is rectangular; The first passage 303 that is located on a surface (upper surface among Fig. 5B) of main channel 302; The second first passage 304 on the surface of the track 302 opposite to the surface having the first passage 303 (the lower surface in FIG. 5B ). At the upstream end of the main channel 302 is provided a fluid supply port 305 to which a gas-liquid two-phase flow is supplied. In FIGS. 5A and 5B , the terms "upstream" and "downstream" are used to indicate the flow direction of the fluid flowing through the main channel.
[0073] An opening 325 is formed on the boundary wall 321 between the main channel 302 and the first passage 303 , so that the main channel 302 communicates with the first passage 3...
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