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A cascaded liquid organic hydrogen storage system and its control method

A cascading, liquid-state technology, applied in chemical instruments and methods, control/regulation systems, non-electric variable control, etc., can solve the problems of slow hydrogen storage, low storage efficiency, waste of hydrogen, etc., and achieve high utilization and savings. Energy consumption and the effect of improving hydrogenation efficiency

Active Publication Date: 2020-09-08
瀚锐氢能科技集团有限公司
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Problems solved by technology

The disadvantage of this method is that the hydrogen storage is very fast at the beginning, but as the hydrogen content concentration of the liquid organic hydrogen storage material gradually increases, the hydrogen storage becomes slower and slower, the storage efficiency is very low, and hydrogen will be wasted; before hydrogenation The liquid organic hydrogen storage material must be heated and preheated, but in the process of hydrogenation, the temperature needs to be cooled to absorb the heat released by the liquid organic hydrogen storage material, which wastes a lot of energy

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  • A cascaded liquid organic hydrogen storage system and its control method
  • A cascaded liquid organic hydrogen storage system and its control method

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Embodiment Construction

[0024] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] A cascaded liquid organic hydrogen storage system of the present invention, such as figure 1 As shown, the reaction tank 1 to the reaction tank N (N>2) are cascaded through pipelines, the structure of the reaction tank 1 to the reaction tank N is the same, and the reaction tank 1 to the reaction tank N (N>2) are respectively equipped with A temperature sensor T and a multi-layer catalytic bed; the multi-layer catalytic bed has a microporous network structure, the temperature sensor T is arranged on the multi-layer catalytic bed, and the top of the reaction tank 1 is connected with a three-way valve A1 through a pipeline;

[0026] A hydrogen circulation pump, a hydrogen concentration sensor, a three-way valve, a hydrogen distributor, a hydrogen flow sensor, and a hydrogen pressure sensor are sequentially connected by pipelines between t...

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Abstract

The invention discloses a cascading liquid state organic hydrogen storage system and a control method. The system is formed by N (N is more than 2) reaction tanks through cascading of a pipeline, wherein three-way valves A are connected to the tops of the reaction tanks; a hydrogen circulating pump, a hydrogen concentration sensor, a three-way valve, a hydrogen distributor, a hydrogen flow sensorand a hydrogen pressure sensor are connected between the top and bottom of each reaction tank; a high-pressure hydrogen pipeline is connected to the hydrogen distributor through a high-pressure hydrogen valve; an LOHC concentration sensor, an LOHC temperature sensor, an LOHC pressure sensor, an LOHC flow sensor and an LOHC circulating pump are connected between the bottom of the front reaction tank to the top of the rear reaction tank from the first reaction tank; and the LOHC concentration sensor, the LOHC temperature sensor, the LOHC pressure sensor, the LOHC flow sensor, the three-way valveB and the LOHC circulating pump are connected between the bottom of the reaction tank N and the three-way valve A. The cascading liquid state organic hydrogen storage system is high in hydrogen storage efficiency and low in energy consumption.

Description

technical field [0001] The invention belongs to the fields of hydrogen production by electrolysis of water and liquid organic hydrogen storage, and relates to a cascaded liquid organic hydrogen storage system and a control method. Background technique [0002] At present, liquid organic hydrogen storage and hydrogenation technologies use traditional chemical reactors to add enough hydrogen-poor liquid organic hydrogen storage materials (LOHC), catalysts and hydrogen at one time, and then wait for the hydrogenation reaction to complete. The disadvantage of this method is that the hydrogen storage is very fast at the beginning, but as the hydrogen content concentration of the liquid organic hydrogen storage material gradually increases, the hydrogen storage becomes slower and slower, the storage efficiency is very low, and hydrogen will be wasted; before hydrogenation The liquid organic hydrogen storage material must be heated and preheated, but in the process of hydrogenation...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B3/00G05D27/02
CPCC01B3/0015G05D27/02Y02E60/32
Inventor 张锐明黄亮奚军
Owner 瀚锐氢能科技集团有限公司
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