Aluminum water hydrogen production system and method capable of circularly and comprehensively utilizing electric energy to electrolyze aluminum

A hydrogen production system and cyclic technology, applied in the direction of hydrogen production, energy input, etc., can solve the problems of insufficient mixing of raw materials, damage to fuel cell stacks, uneven aluminum hydrolysis rate, etc., to avoid high energy consumption and Complexity of equipment, avoidance of hydrogen purification problems, and avoidance of the effect of high energy consumption

Pending Publication Date: 2019-05-24
YINLONG ENERGY CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are usually two technical routes: one is to replace water with alkali aqueous solution, and use OH - Ions destroy the oxide film on the aluminum surface to form water-soluble AlO 2 - , but the generated hydrogen will take out the lye in the high-temperature system and cause damage to the fuel cell stack, so it is necessary to remove the alkaline components, and the purification technology is complicated and inconvenient to use; the second is to add gallium, Indium, zinc, tin, or metal oxides, hydroxides, and amalgams form aluminum composite materials, but mechanical mixing cannot achieve sufficient mixing of raw materials, resulting in uneven hydrolysis rates of aluminum, and the cost of gallium, indium, tin, mercury, etc. Higher and higher mercury toxicity

Method used

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  • Aluminum water hydrogen production system and method capable of circularly and comprehensively utilizing electric energy to electrolyze aluminum
  • Aluminum water hydrogen production system and method capable of circularly and comprehensively utilizing electric energy to electrolyze aluminum
  • Aluminum water hydrogen production system and method capable of circularly and comprehensively utilizing electric energy to electrolyze aluminum

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Embodiment 1

[0090] Embodiment 1 of the present invention provides a hydrogen production method, such as figure 2 As shown, the traditional thermal power generation is used as the power supply. After the electric energy is transformed and rectified, the aluminum oxide is added to the aluminum electrolytic tank 21 to be electrolyzed into aluminum liquid, and then directly sent to the atomization furnace 23 through the liquid guide tank 22. At the same time, the mass The powder corrosion inhibitor with a ratio of 0.5wt.% to 30wt.% is fed into the atomization furnace 23 through the automatic feeder 27 to melt and fully mixed with the aluminum liquid under the agitation of the mixer, and then sent to the nitrogen atomization device Atomized and cooled in 24 to form composite aluminum powder, then classified and collected by aluminum powder grading device 25, then sent to aluminum powder vacuum packaging machine 26 for vacuum packaging by air knife plug flow type dense-phase pneumatic conveying...

Embodiment 2

[0092] Embodiment 2 of the present invention provides a hydrogen production method, such as image 3 As shown, the wind power generated by the wind field of the permanent magnet direct-drive wind turbine is used as the power supply, after the transformation and rectification, the aluminum oxide is added to the aluminum electrolytic tank 21 and electrolyzed to form aluminum liquid, which is then directly sent to the atomization furnace through the liquid guide tank In 23, at the same time, the boehmite powder with a mass ratio of 30wt.% is added to the atomization furnace 23 through the automatic feeder 27 to melt and fully mixed with the aluminum liquid under the agitation of the stirrer, and then fed into the nitrogen mist Atomized and cooled in the atomization device 24 to form composite aluminum powder, then classified and collected by the aluminum powder classification device 25, and then sent to the aluminum powder vacuum packaging machine 26 for vacuum packaging by the ai...

Embodiment 3

[0094] Embodiment 3 of the present invention provides a hydrogen production method, such as Figure 4 As shown, the wind power generated by the wind farm of the doubly-fed asynchronous wind turbine is used as the main power supply, and the thermal power of the coal-fired thermal power plant is used as the auxiliary power. After the transformation and rectification, aluminum oxide is added to the aluminum electrolytic tank 21 and electrolyzed into aluminum liquid. After that, it is directly sent to the atomization furnace 23 through the liquid guide tank 22, and at the same time, the corundum powder with a mass ratio of 25wt.% is added to the atomization furnace 23 through the automatic feeder 27 to be melted and mixed with the aluminum liquid under the agitation of the mixer. Fully mixed, then sent to the nitrogen atomization device 24 for atomization and cooling to form composite aluminum powder, then classified and collected by the aluminum powder classification device 25, an...

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Abstract

The invention discloses an aluminum water hydrogen production system capable of circularly and comprehensively utilizing electric energy to electrolyze aluminum, which comprises a renewable energy source power generation device, wherein the renewable energy source power generation device is used for supplying electric energy to a circulating aluminum powder production device; a circulating aluminum powder production device, wherein the circulating aluminum powder production device is used for electrolyzing aluminum oxide to obtain aluminum powder, and conveying the aluminum powder to an aluminum hydrogen production device; an aluminum water hydrogen production device, wherein the aluminum water hydrogen production device is used for carrying out hydrogen production reaction on the aluminumpowder to obtain hydrogen and aluminum oxide, drying and storing the hydrogen, drying the aluminum oxide, and returning the aluminum oxide to the circulating aluminum powder production device for continuous electrolysis to obtain the aluminum powder; the invention also discloses a method for producing hydrogen from aluminum water, according to the invention, the local elimination of renewable energy can be achieved; the transportation efficiency is improved by 10 times by changing gaseous hydrogen transportation into solid aluminum transportation, and the transportation safety is greatly enhanced; the deep coupling is achieved in the hydrogen production process and the aluminum hydroxide decomposition process, so that the heat energy is fully utilized, and the power consumption cost of on-site hydrogen production is reduced.

Description

technical field [0001] The invention relates to the technical field of comprehensive utilization of new energy and chemical hydrogen production, and in particular to a hydrogen production system and method for aluminum water that can recycle and comprehensively utilize electric energy to electrolyze aluminum. Background technique [0002] At present, the sustainable development of the automobile industry is facing severe energy and environmental challenges. The development of new energy vehicles has become a global consensus. Among them, fuel cell vehicles are unanimously recognized by the industry as the most advanced vehicles due to their advantages such as high energy density, cruising range equivalent to traditional vehicles, short refueling (compressed hydrogen) time (5-10 minutes), zero emissions and no secondary pollution from waste batteries. industry's ultimate goal. [0003] Due to the extremely small density of hydrogen (under standard conditions, the density of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B3/08C25C3/06
CPCY02P20/133Y02E60/36
Inventor 季孟波马学明魏银仓
Owner YINLONG ENERGY CO LTD
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