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High-purity hydrogen providing system, movable hydrogen supply system and distributed hydrogen supply device

A high-purity, supply device technology, applied in the field of hydrogen energy, can solve the problems of difficult storage and transportation of hydrogen, high construction costs, and high costs, and achieve the effects of promoting the dehydrogenation reaction of organic liquids, reducing reaction temperature, and reducing operating costs

Active Publication Date: 2020-11-06
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the difficulty in storage and transportation of hydrogen existing in the prior art. The hydrogen released by organic hydrogen storage compounds is not suitable for direct use because it contains organic compounds. The existing fuel cell hydrogenation stations occupy a large area and have high construction costs. And there is a big safety hazard problem, provide a system for providing high-purity hydrogen, a mobile hydrogen supply system and a distributed hydrogen supply device, the system can not only produce high-purity high-pressure hydrogen, but also use organic liquids as hydrogen storage Raw materials to solve the problems of high cost, low volume hydrogen storage density and poor safety in the existing hydrogen transportation process

Method used

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  • High-purity hydrogen providing system, movable hydrogen supply system and distributed hydrogen supply device
  • High-purity hydrogen providing system, movable hydrogen supply system and distributed hydrogen supply device
  • High-purity hydrogen providing system, movable hydrogen supply system and distributed hydrogen supply device

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preparation example Construction

[0051] The preparation method of the hydrogen storage alloy is not particularly limited in the present invention, and it can be prepared by any existing method in the art. Preferably, the preparation method of the hydrogen storage alloy comprises the following steps:

[0052] 1) Weighing each raw material of the hydrogen storage alloy in a manner to achieve the composition of the hydrogen storage alloy and mixing;

[0053] 2) melting the material obtained by mixing in step 1), and then annealing.

[0054] The present invention has a wide range of options for the smelting methods and conditions, and various existing smelting methods and conditions are within the protection scope of the present invention. The smelting includes but not limited to electric furnace smelting and induction smelting. The electric furnace smelting and induction smelting have conventional illustrations in the field, and the present invention will not repeat them here.

[0055] The smelting and anneali...

Embodiment approach

[0067] According to a preferred embodiment of the present invention, the carrier is a carrier composition, the carrier composition includes alumina and a modified metal oxide, and the modified metal oxide is titanium oxide and / or zirconium oxide ; The η of the modified metal oxide in the carrier composition2 In terms of zirconium oxide as ZrO 2 count.

[0068] According to the dehydrogenation catalyst described in any of the above technical solutions, preferably, based on 100 parts by weight of the total mass of alumina and modified metal oxides, the parts by weight of alumina are 80-98.5 parts by weight, preferably 83-97.5 parts by weight The parts by weight of the modified metal oxide are 1.5-20 parts by weight, preferably 2.5-17 parts by weight.

[0069] According to the dehydrogenation catalyst described in any of the above technical solutions, preferably, the modified metal oxide includes titanium oxide; based on 100 parts by weight of the total mass of alumina and the m...

preparation example A1

[0119] Calcining SB powder at 500℃ for 4h to obtain γ-Al 2 o 3 , the γ-Al 2 o 3 The specific surface area is 176m 2 / g, the pore volume is 0.48ml / g.

[0120] Take the above γ-Al 2 o 3 500g is placed in a fluidized reactor, titanium tetrachloride is placed in a constant temperature bath at 20°C, nitrogen is passed through titanium tetrachloride at a flow rate of 10L / min and then enters the fluidized reactor from the bottom of the fluidized reactor, and fluidized for 1h Finally, stop passing nitrogen through the titanium tetrachloride bath; pass nitrogen at a flow rate of 10L / min through deionized water placed in a 50°C constant temperature bath, and then enter the fluidized reactor from the bottom of the reactor, fluidize for 4h, and obtain the hydrolyzed Carrier. The hydrolyzed carrier was calcined at 550° C. for 4 hours in an air atmosphere to obtain a carrier composition, which was named GM-1. The properties of the carrier are shown in Table 1.

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Abstract

The invention relates to the field of hydrogen energy, and discloses a high-purity hydrogen providing system, a movable hydrogen supply system and a distributed hydrogen supply device. The high-purityhydrogen providing system comprises an organic liquid hydrogen storage raw material storage and supply device configured to store an organic liquid hydrogen storage raw material and provide the organic liquid hydrogen storage raw material for a dehydrogenation reactor, an after-dehydrogenation liquid storage device configured to store a liquid product that is obtained after the organic liquid hydrogen storage raw material is dehydrogenated, a dehydrogenation reactor device configured to perform a dehydrogenation reaction on the organic liquid hydrogen storage raw material under the action ofa dehydrogenation catalyst, a cooling and separating device configured to separate dehydrogenation reaction products into a hydrogen-rich gas product and the liquid product, a hydrogen storage and supply device configured to perform contact hydrogen adsorption on the hydrogen-rich gas and a hydrogen-storage alloy at low temperature and low temperature and perform heating dehydrogenation after adsorption saturation, an optional purging device and a hydrogen supply unit. The high-purity hydrogen providing system can produce high-purity hydrogen and can use organic liquid as the hydrogen storageraw material, thereby solving the problems of high hydrogen transportation cost, low hydrogen storage density and poor safety.

Description

technical field [0001] The invention relates to the field of hydrogen energy, in particular to a system for providing high-purity hydrogen, a mobile hydrogen supply system and a distributed hydrogen supply device. Background technique [0002] With the progress of society, the development of industry and the improvement of people's material living standards, the demand for energy is also increasing day by day. Since the energy currently used mainly comes from fossil fuels, such as coal, oil and natural gas, which inevitably pollute the environment, and its reserves are limited, it is urgent to find renewable green energy. As a renewable energy source, hydrogen not only has high energy efficiency, but also produces almost no waste. The development of hydrogen is expected to become an important way to improve energy efficiency, reduce oil consumption, improve the ecological environment, and ensure energy security. Then sustainable and efficient large-scale hydrogen production ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17C11/00F17C7/04F17C1/00C01B3/00C01B3/50
CPCC01B3/0042C01B3/0031C01B3/0057C01B3/0052C01B3/26C01P2006/80F17C11/005C01B3/508C01B3/0047B01J21/066B01J21/063B01J37/0238B01J23/42B01J23/56B01J23/76B01J23/755B01J23/835B01J23/44B01J23/468B01J37/0207B01J23/622B01J23/892B01J23/6562B01J23/80B01J23/8966B01J23/8926B01J23/8986Y02P90/45Y02E60/32B01J35/633B01J35/615B01J2235/15B01J35/70B01J2235/00B01J23/26C01B3/50F17C1/00F17C11/00F17C7/04B01J8/24B01J23/6567B01J23/8892B01J27/1853B01J37/082C01P2002/72C01P2002/85B01J35/635B01J35/638
Inventor 吴伊曼杨雪孙敏宋烨王磊宋海涛刘俊
Owner CHINA PETROLEUM & CHEM CORP
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