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Mobile hydrogen-generating hydrogen-storing integrated device and hydrogen supplying method thereof

A mobile, hydrogen storage technology, applied in hydrogen production and other directions, can solve the problems of inconvenience, high cost, poor safety, etc., and achieve the effects of convenient use, less impurities, and device safety

Inactive Publication Date: 2008-05-28
天津海蓝德能源技术发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Both the high-pressure hydrogen cylinder method and the low-temperature liquefied hydrogen method have disadvantages such as high cost and poor safety during use and transportation; carbon material adsorption hydrogen storage is still in the research stage
The metal hydride solid-state hydrogen storage method is a simple, cheap, and safe hydrogen storage method. However, in actual operation, the metal hydride hydrogen storage tank needs to be supplemented by a hydrogen source with sufficient pressure before it can be used repeatedly. It is extremely inconvenient for mobile applications.

Method used

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  • Mobile hydrogen-generating hydrogen-storing integrated device and hydrogen supplying method thereof
  • Mobile hydrogen-generating hydrogen-storing integrated device and hydrogen supplying method thereof
  • Mobile hydrogen-generating hydrogen-storing integrated device and hydrogen supplying method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0045] With reference to accompanying drawing 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7.

[0046] The mobile hydrogen production and hydrogen storage integrated device is composed of a hydrogen generator 1, a gas-water separator 3, a hydrogen purifier 4, a hydrogen storage tank 5 and related pipelines, valves, and instruments. The hydrogen generator 1 is a tank-shaped structure. There are hydrogen outlet 1.3, feed inlet 1.4, liquid outlet 1.1, equipped with thermometer 1.5, connected to high water tank 1.7 through pipeline valve 1.2, hydrogen outlet pipeline connected to hydrogen vent valve 1.8, hydrogen safety valve 1.9, pressure gauge 1.6. The gas-water separator 3 has a tank-like structure, and is provided with a hydrogen inlet 3.1, a hydrogen outlet 3.3, and a drain 3.2. A serpentine pipe 2 is installed between the hydrogen generator 1 and the gas-water separator 3 . The hydrogen purifier 4 has a tank-like structure, and is provided with a hydrogen inlet, a hydr...

Embodiment 2

[0048] Example 1 The hydrogen supply method of the integrated mobile hydrogen production and hydrogen storage device: the hydrogen generator adopts the reaction of metal or compound with water to produce hydrogen, and the produced hydrogen enters the gas-water separator after being cooled by a serpentine tube, and the gas-water The separator drains water to realize the gas-water separation process of the gas-water separator. The hydrogen after gas-water separation passes through a hydrogen purifier equipped with a desiccant, and the desiccant absorbs the moisture in the hydrogen to realize the purification process of the hydrogen by the hydrogen purifier. Allow the hydrogen storage tank to store hydrogen by turning down the water bath temperature. When using hydrogen, the hydrogen storage tank is supplied with hydrogen by increasing the temperature of the water bath.

Embodiment 3

[0050]The mobile hydrogen production and hydrogen storage integrated device of Example 1. Add 90g of aluminum powder and 160g of sodium hydroxide to the hydrogen reactor, add 165g of water, the aluminum powder and sodium hydroxide react to generate hydrogen, and enter the hydrogen storage tank through the gas-water separator and hydrogen purifier. The design capacity of the hydrogen storage tank is 120NL. In the ice-water mixture at 0°C, all the hydrogen generated is absorbed by the hydrogen storage tank. After the reaction, adjust the temperature of the water bath of the hydrogen storage tank to 40°C to generate a pressure of 0.5MPa, and start to supply hydrogen stably at a rate of 1NL / min; adjust The temperature of the water bath of the hydrogen storage tank reaches 80°C, a pressure of 1.0MPa is generated, and hydrogen is supplied stably at a rate of 1NL / min.

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Abstract

The invention relates to a movable integrated device for generation and storage of hydrogen and a hydrogen supply method, which belongs to the hydrogen preparation technical field. The movable integrated device for generation and storage of hydrogen comprises a hydrogen generator and a hydrogen storage tank. The device is characterized in that: the hydrogen generator is connected with a gas-water separator through a pipeline, and the gas-water separator is connected with a hydrogen purifier through a pipeline; the hydrogen purifier is connected with the hydrogen storage tank through a pipeline, and the hydrogen storage tank is provided with a temperature controlling apparatus. The hydrogen supply method is that: chemical reaction happens in the hydrogen generator to produce hydrogen, and the water and the hydrogen are separated by the gas-water separator; then purified by the hydrogen purifier, the hydrogen is stored into the storage tank after temperature regulated; while the hydrogen is needed, the hydrogen storage tank supplies the hydrogen through controlling the temperature. The invention has the advantages of simple structure, low construction cost, reliable technique, safety, high hydrogen generating speed, high purity of the hydrogen, less energy consumption and no pollution, etc., and is particularly applicable to movable situations.

Description

technical field [0001] The invention belongs to the technical field of hydrogen preparation, and in particular relates to a mobile hydrogen production and storage integrated device and a hydrogen supply method thereof. Background technique [0002] As an important chemical substance, hydrogen is widely used in chemical, petroleum, food, metallurgy and other industrial fields. At the same time, hydrogen is also a clean energy material. To realize the large-scale application of hydrogen energy, low-cost hydrogen production technology and safe and efficient hydrogen storage technology are the key. [0003] Many metals or compounds, such as aluminum, zinc, sodium borohydride, sodium hydride, lithium hydride, calcium hydride, etc., can react with water to produce hydrogen gas. Hydrogen can be produced using these reactions: [0004] 2Al+2NaOH+6H 2 O2Na[Al(OH) 4 ]+3H 2 ↑ [0005] 2NaBH 4 +2H 2 O2NaAlO 2 +4H 2 ↑ [0006] 2CaH 2 +2H 2 O2Ca(OH) 2 +2H 2 ↑ [0007] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B3/02
Inventor 黄岳祥王晋刚杨庆亮王鹏飞宋丽薇
Owner 天津海蓝德能源技术发展有限公司
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