Hydrogen circulating system and hydrogen circulating method

A circulatory system, hydrogen technology, applied in electrical components, inductance/transformer/magnet manufacturing, circuits, etc., can solve the problem of large hydrogen consumption, and achieve the effect of reducing hydrogen consumption and high efficiency

Inactive Publication Date: 2014-04-30
TIANJIN SANHUAN LUCKY NEW MATERIAL CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing hydrogen usage methods need to consume a large amount of hydrogen, and require special, large-capacity gas storage bottles to store hydrogen

Method used

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  • Hydrogen circulating system and hydrogen circulating method
  • Hydrogen circulating system and hydrogen circulating method

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Embodiment Construction

[0010] The present invention will be further described below in combination with specific embodiments. It should be noted that each embodiment of the present invention is only used to illustrate the technical solution of the present invention, and is not intended to limit the present invention.

[0011] figure 1 is a schematic diagram showing a hydrogen circulation system according to one embodiment of the present invention. Such as figure 1 As shown, the hydrogen circulation system 1 is connected to the hydrogenation / dehydrogenation furnace 2 (hereinafter referred to as "hydrogenation furnace") through pipelines, and is used to supply the hydrogenation furnace 2 with hydrogen and other gases (such as argon gas, etc.), and discharge hydrogen and other gases from the hydrogenation furnace 2.

[0012] The hydrogenation furnace 2 is used to place rare earth materials such as NdFeB rare earth materials for hydrogen absorption and dehydrogenation of rare earth materials. In the...

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Abstract

The invention provides a hydrogen circulating system and a hydrogen circulating method. The hydrogen circulating system comprises a hydrogen storage container (3), temperature regulating devices (32, 33, 34, 321, 331 and 341), a hydrogen storage container valve (36), and a pressure sensor (35), wherein the hydrogen storage container (3) is provided with a hydrogen storage alloy which absorbs hydrogen when a first condition is satisfied and releases hydrogen when a second condition is satisfied; the temperature regulating devices (32, 33, 34, 321, 331 and 341) are used for regulating the temperatures of the hydrogen storage alloy in the hydrogen storage container so that the temperature satisfies the first condition or the second condition; the hydrogen storage container valve (36) is used for communicating the interior of the hydrogen storage container with an external device or disconnecting the interior of the hydrogen storage container from the external device; the pressure sensor (35) is used for detecting the pressure in the hydrogen storage container and controlling the valve of the hydrogen storage container based on the detected pressure. The hydrogen circulating system and the hydrogen circulating method are capable of circulating hydrogen at high efficiency and reducing the usage amount of hydrogen, and the use of a large-capacity storage cylinder for storing hydrogen is avoided.

Description

technical field [0001] The invention relates to a hydrogen circulation system and a hydrogen circulation method, in particular to a system and a method for circulating hydrogen in the process of preparing a rare-earth material permanent magnet. Background technique [0002] For example, in the production process of NdFeB permanent magnets, hydrogen crushing of NdFeB rare earth materials is required. The so-called "hydrogen crushing" refers to the use of rare earth materials that have hydrogen absorption characteristics, expand after absorbing hydrogen, and break along the grain boundaries during the expansion process, so as to achieve the purpose of crushing rare earth materials. [0003] In the process of hydrogen fragmentation mentioned above, hydrogen gas needs to be used. However, the existing hydrogen usage method needs to consume a large amount of hydrogen, and requires a special, large-capacity gas storage bottle to store the hydrogen. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F9/04H01F41/02
Inventor 李西敏
Owner TIANJIN SANHUAN LUCKY NEW MATERIAL CO LTD
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