Small and medium-sized bioethanol reforming hydrogen production device system and reforming hydrogen production method

A bio-ethanol, reforming hydrogen production technology, applied in the field of hydrogen production, can solve problems such as the impact of hydrogen production performance, and achieve the effects of improving energy efficiency, avoiding potential safety hazards, and long-term price competitiveness

Pending Publication Date: 2022-04-29
RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, external factors such as ethanol reforming reactor type and reaction conditions also have a great influence on the hydrogen production performance of ethanol reforming catalysts.

Method used

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  • Small and medium-sized bioethanol reforming hydrogen production device system and reforming hydrogen production method
  • Small and medium-sized bioethanol reforming hydrogen production device system and reforming hydrogen production method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0083] This embodiment provides a device system for small and medium-sized bioethanol reforming hydrogen production, such as figure 2 As shown, the device system includes a raw material supply unit 10, a heat exchange unit 20, an ethanol catalytic reforming unit 30, a hydrogen separation unit 40, a tail gas catalytic oxidation unit 50, a hydrogen purification unit 60 and a monitoring control unit ( figure 2 not shown). The raw material in the raw material supply unit 10 flows through the heat exchange unit 20, the ethanol catalytic reforming unit 30 and the hydrogen separation unit 40 in sequence; the hydrogen in the hydrogen separation unit 40 flows through the heat exchange unit 20 and the hydrogen purification unit 60 in sequence ; The tail gas in the hydrogen separation unit 40 flows through the tail gas catalytic oxidation unit 50 and the heat exchange unit 20 in sequence; the monitoring and control unit is used for real-time monitoring and controlling the stable operat...

Embodiment 2

[0091] This embodiment provides a device system for small and medium bioethanol reforming hydrogen production. In addition to changing the ethanol catalytic reforming unit 30 to include two sets of ethanol catalytic reforming subunits 31 connected in parallel, one set It is the ethanol catalytic reforming subunit to be used; at the same time, the hydrogen separation unit 40 is changed to include a set of hydrogen separation subunits 41, and the hydrogen separation subunit 41 is a palladium membrane hydrogen separation device 42. The rest of the structures and conditions are the same as those in Embodiment 1, so they will not be repeated here.

Embodiment 3

[0093] This embodiment provides a device system for small and medium-sized bioethanol reforming hydrogen production. In addition to changing the ethanol catalytic reforming unit 30 to include 4 groups of ethanol catalytic reforming subunits 31 connected in parallel, one of them It is the ethanol catalytic reforming subunit to be used; at the same time, the hydrogen separation unit 40 is changed to include three groups of hydrogen separation subunits 41 connected in parallel, and the hydrogen separation subunits 41 are three palladium membrane hydrogen separation devices 42 connected in series. The rest of the structures and conditions are the same as those in Embodiment 1, so they will not be repeated here.

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Abstract

The invention provides a small and medium-sized bioethanol reforming hydrogen production device system and a reforming hydrogen production method. The device system comprises a raw material supply unit, a heat exchange unit, an ethanol catalytic reforming unit, a hydrogen separation unit, a tail gas catalytic oxidation unit, a hydrogen purification unit and a monitoring control unit, raw materials in the raw material supply unit sequentially flow through the heat exchange unit, the ethanol catalytic reforming unit and the hydrogen separation unit; hydrogen in the hydrogen separation unit sequentially flows through the heat exchange unit and the hydrogen purification unit; tail gas in the hydrogen separation unit sequentially flows through the tail gas catalytic oxidation unit and the heat exchange unit; and the monitoring control unit is used for monitoring and controlling the stable operation of each unit in the device system in real time. The device system provided by the invention is suitable for a fuel cell, a safe, environment-friendly and economical hydrogen source is supplied to the fields of new energy automobiles, distributed power stations, emergency power supplies, national defense and military industry and the like, meanwhile, the energy efficiency of the device is improved, and up-to-standard emission of tail gas is ensured.

Description

technical field [0001] The invention belongs to the technical field of hydrogen production, and relates to a device system for hydrogen production by reforming alcohols, in particular to a device system for hydrogen production by reforming small and medium bioethanol and a method for hydrogen production by reforming. Background technique [0002] A hydrogen fuel cell is a high-efficiency power generation device that directly converts the chemical energy in hydrogen fuel and oxidant into electrical energy by electrochemical means. Proton exchange membrane fuel cells have the advantages of high energy conversion efficiency, suitable working temperature, low vibration and noise, and environmental friendliness. They have been widely used in new energy vehicles, distributed power stations, emergency power supplies, and national defense and military industries. In recent years, with continuous breakthroughs in fuel cell key materials, components and system integration development ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B3/32B01D53/86
CPCC01B3/323B01D53/86C01B2203/0233C01B2203/1229C01B2203/1064C01B2203/085C01B2203/0405C01B2203/066
Inventor 贺泓韩雪徐光艳余运波
Owner RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
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