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A coupled hydrogen production system and its control method

A technology of hydrogen production system and control unit, which is applied in the field of coupled hydrogen production technology and hydrogen production, can solve the problems of high safety and stability, low hydrogen purity, etc., and achieve high versatility, safety and stability Effect

Active Publication Date: 2018-10-26
TONGJI UNIV
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  • Claims
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Problems solved by technology

[0006] The purpose of the present invention is to provide a hydrogen production technology to solve the problem of low hydrogen purity of commercial hydrogen production equipment under intermittent power conditions with wide power fluctuations in a low-cost manner without using batteries, and the High process safety and stability

Method used

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  • A coupled hydrogen production system and its control method
  • A coupled hydrogen production system and its control method
  • A coupled hydrogen production system and its control method

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Embodiment Construction

[0043] The present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.

[0044] The present invention proposes a coupled hydrogen production system, where the coupling refers to the coupling of two or more energy sources; figure 1 Shown is the block diagram of its system structure, figure 2 It is a more detailed structural schematic diagram of the coupled hydrogen production system in this embodiment. The coupled hydrogen production system includes a power generation unit, an energy management unit, a hydrogen production unit, a gas storage and supplementary unit connected in sequence, and a control unit connected to the aforementioned units, so that the control unit can detect all the work of the power generation unit and the hydrogen production unit Parameters and analysis, based on which the actions of the energy management unit and the gas storage and supplementary unit are controlled.

[0045] The power gene...

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Abstract

The invention provides a coupling hydrogen production system and a control method thereof and belongs to the technical field of new energy. The system comprises a control unit and further comprises an electricity generation unit, an energy management unit, a hydrogen production unit and a gas storage and supplement unit which are all connected with the control unit and connected with one another in sequence. The control unit detects and analyzes all working parameters of the electricity generation unit and the hydrogen production unit and controls actions of the energy management unit and the gas storage and supplement unit. Hydrogen produced by the hydrogen production unit enters into the gas storage and supplement unit to be stored, and the control unit controls the gas storage and supplement unit to supplement the hydrogen production unit with hydrogen if necessary. The control method involves three operation modes, that is, electricity is supplied only by a wind power generation device and a photovoltaic power generation device, electricity is independently supplied by a mains supply, and electricity is supplied by the mains supply, the wind power generation device and the photovoltaic power generation device simultaneously. The problem of the hydrogen purity of commercial hydrogen production equipment under the condition of a fluctuant intermittent power supply with a wide power range can be solved through the coupling hydrogen production system and the control method thereof, cost is low, safety is high, and stability is high.

Description

technical field [0001] The invention belongs to the technical field of new energy, and relates to a hydrogen production technology, in particular to a coupled hydrogen production technology. Background technique [0002] As an energy carrier, hydrogen is extremely flammable, highly efficient, and non-polluting. It can replace traditional fossil energy to a certain extent and be used in new energy fields such as hydrogen fuel cell vehicles, backup base station power supplies, and combined heat and power systems. At the same time, as a chemical raw material, hydrogen can also be used in traditional industrial fields such as oil refining, chemical industry, and ammonia synthesis, and has extremely broad uses. [0003] At present, the main source of hydrogen mainly comes from fossil energy, including water gas hydrogen production, natural gas reforming hydrogen production, methanol reforming hydrogen production, etc. In addition, water electrolysis hydrogen production technolog...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25B1/04C25B9/04C25B15/02
CPCC25B1/04C25B15/02C25B9/65Y02E60/36Y02P20/133
Inventor 张存满吕洪周伟
Owner TONGJI UNIV
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