Thermal storage type high efficiency hydrogen storage apparatus used for magnesium base hydrogen storage material

A hydrogen storage material and regenerative technology, applied in hydrogen technology, fixed-capacity gas storage tanks, gas/liquid distribution and storage, etc., can solve the problems of high hydrogen release temperature and high energy consumption

Inactive Publication Date: 2003-07-16
HARBIN INST OF TECH
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  • Abstract
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Problems solved by technology

Due to the heat storage design of the hydrogen storage device, the energy consumed by the magnesium-based hydrogen storage material during the hydrogen discharge process wi

Method used

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  • Thermal storage type high efficiency hydrogen storage apparatus used for magnesium base hydrogen storage material
  • Thermal storage type high efficiency hydrogen storage apparatus used for magnesium base hydrogen storage material
  • Thermal storage type high efficiency hydrogen storage apparatus used for magnesium base hydrogen storage material

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[0006] The outer cover of the present invention has a diameter of 510 mm and an inner volume of 100 liters. The outer cover is made of ordinary stainless steel, the inner cover is made of 21Cr3MoWV, the hydrogen filter layer is made of foamed aluminum, and the hydrogen filter layer has the function of filtering dust. The safety valve is a common part, and the heat transfer tube The diameter is 16 mm, the support ring is made of insulating material, the heat storage tube has a diameter of 8 mm, and there are 27 pieces, and the hydrogen distribution and filter tube has a diameter of 6 mm. There are several small holes on the tube and a filter layer around it. The main technical indicators of the invention: the internal temperature of the hydrogen storage is 280-360°C, the outlet hydrogen pressure is 0.2-0.3 MPa, and the hydrogen charging pressure is 1-3 MPa.

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Abstract

An efficient heat-accumulated hydrogen accumulator for Mg-base hydrogen-bearing material is a cylindrical body, which is composed of external and internal shells and vacuum layer between them, insulating layer on the inner surface of internal shell, heat accumulating tubes in the insulating layer, heat transfer tube at inside of the most external heat accumulating layer, hydrogen distributing and filtering tube passing through hdyrogen filter layer and installed at central position of internal shell, and hydrogen filter layer installed on supporting plate on the internal shell. It features that the heat generated by absorbing hydrogen is accumulated for supplying it when hydrogen is released.

Description

Technical field: [0001] The invention proposes a regenerative high-efficiency hydrogen storage device for magnesium-based hydrogen storage materials, and the hydrogen storage device can provide hydrogen gas for places requiring hydrogen sources. Background technique: [0002] Although magnesium-based hydrogen storage materials have a wide range of applications, such as purification and separation, heat pumps, constant temperature systems, isotope separation, temperature sensors, fuel cells, etc., from an energy point of view, magnesium-based hydrogen storage Compared with natural gas and gasoline, the cost of materials is still not dominant, and its utilization is also restricted by some factors such as hydrogen absorption and desorption temperature, cycle life, thermal effect and other factors. In a sense, the application research of magnesium-based hydrogen storage materials and its defects in hydrogen charge and discharge performance can be overcome in combination with sp...

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Application Information

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IPC IPC(8): F17C11/00
CPCY02E60/321Y02E60/32Y02P90/45
Inventor 王尔德于振兴张文丛房文斌刘祖岩
Owner HARBIN INST OF TECH
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