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Mixing tank for fuel batterya nd fuel battery system

一种燃料电池、燃料混合的技术,应用在燃料电池、燃料电池助剂、燃料电池的零部件等方向,能够解决未采用排气再利用水等问题

Inactive Publication Date: 2004-06-09
KK TOSHIBA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the fuel tank based on the above-mentioned related art does not employ a structure in which water is reused from the exhaust gas from the fuel cell.

Method used

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  • Mixing tank for fuel batterya nd fuel battery system
  • Mixing tank for fuel batterya nd fuel battery system
  • Mixing tank for fuel batterya nd fuel battery system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The mixing tank 13 of Example 1 has a mixing container 15 . The mixing container 15 accommodates a liquid absorbing member 17 for absorbing liquid. The liquid absorbing member 17 is made of an appropriate material such as a porous material such as sponge for utilizing capillary force. A cavity 19 is formed in the liquid absorbing member 17 at an approximate center position of the mixing container 15, particularly at the center of gravity.

[0033] exist image 3 , the cavity 19 is substantially surrounded by the liquid absorbing member 17 . It may be configured in this way, and one end of the cavity 19 may not be covered by the liquid absorbing member 17 and communicate with any one of the inner surfaces of the mixing container 15 . The liquid absorbing member 17 may be in contact with and held on any inner surface of the mixing container 15 .

[0034] The mixing container 15 has a fuel injection port 21 for supplying methanol as fuel from a fuel tank (not shown), a...

Embodiment 2

[0047] The mixing container 31 of Example 2 has a rotating shaft 33 rotatably attached to one side thereof. The rotating shaft 33 is desirably supported at both ends, but can also be supported at one end.

[0048] The rotary shaft 33 has an exhaust gas outflow path 35 and a mixture outflow path 37 . All pass through the axis of rotation and are parallel to the axis. Inside the mixing container 31 , a gas intake pipe 39 is integrally formed on the shaft 33 . The tip of the gas intake pipe 39 protrudes upward beyond the liquid level 41A of the mixed liquid 41 stored in the mixing container 31 , and has an opening 39A. The gas intake pipe 39 communicates with the exhaust gas outflow path 35 for gas flow on the liquid surface 41A.

[0049] A mixture intake pipe 43 is integrally formed on the rotating shaft 33 . The mixture intake pipe 41 is almost opposite to the gas intake pipe 39 , and its tip is submerged in the mixed liquid 41 . The mixture intake pipe 43 communicates wit...

Embodiment 3

[0061] The mixing container 65 has an exhaust gas inflow path 23 , an exhaust gas outflow path 67 , and a mixture outflow path 73 . Compared with the first and second embodiments described above, it is characterized in that a gas intake flexible tube 69 made of a flexible material is connected to the exhaust gas outflow path 67 inside the mixing container 65 . The tip of the gas intake flexible tube 69 is supported by the floating member 71 so that the opening 69A always protrudes upward from the liquid surface 41A. A weight 69B is attached below the gas intake flexible tube 69 so that the opening 69A is directed upward.

[0062] Inside the mixing container 65 , a mixture intake flexible pipe 75 is connected to the mixture outflow path 73 . The mixture is drawn into the top end of the flexible pipe 75, and a weight 77 is attached so that it is always submerged in the mixture 41.

[0063] According to the above structure, regardless of which direction the mixing container 65 ...

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PUM

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Abstract

A mixing tank for a fuel cell is provided with a container housing fuel for the fuel cell, an absorbent member housed in the container, which has a cavity therein, an inlet flow path interconnecting the fuel cell and the container so as to conduct an exhaust from the fuel cell to the container and admix the exhaust with the fuel to form a mixture absorbed in the absorbent member, an exhaust flow path interconnecting the cavity and an outside of the mixing tank so as to conduct gas to the outside and an outlet flow path interconnecting the absorbent member and the fuel cell so as to conduct the mixture absorbed in the absorbent member to the fuel cell.

Description

technical field [0001] The present invention relates to a mixing tank for a fuel cell and a fuel cell system that can reuse water from exhaust gas from a fuel cell and can be used in any direction. Background technique [0002] In general, fuel cells such as figure 1 As shown, there is an anode 103, a cathode 105 and an electrolyte membrane 7 sandwiched between them. It should be pointed out that in figure 1 , represents a direct methanol fuel cell. figure 2 is an example considering the general structure of a fuel cell system. A fuel (methanol in this case) is supplied to the anode 103 by a pump 111 , and a gas (generally air) containing an oxidant (generally oxygen) is supplied to the cathode 105 by a pump 113 . The following reactions proceed in the anode 103 and the cathode 105, respectively. [0003] In the anode 103, [0004] <chemistry num="001"> <chem file="200310118320_cml001.xml" / > < / chemistry> (1) [0005] In the cathode 105, [0006...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/06B65D90/02H01M8/00H01M8/02H01M8/04
CPCH01M8/2475Y02E60/50H01M8/04171H01M8/04
Inventor 宫崎要坂上英一
Owner KK TOSHIBA