CN-224209128-U - Multi-element magnesium-based hydrogen storage alloy preparation device

CN224209128UCN 224209128 UCN224209128 UCN 224209128UCN-224209128-U

Abstract

The utility model provides a preparation device of a multi-element magnesium-based hydrogen storage alloy, which comprises a reaction chamber, a rapid quenching pressure unit, a smelting rapid quenching unit and a smelting and rapid quenching unit, wherein the rapid quenching pressure unit is arranged in the reaction chamber and comprises an air inlet pipeline and a gas rotating pipeline, at least part of the air inlet pipeline extends out of the reaction chamber, the gas rotating pipeline is obliquely arranged at an inclined angle of 45 degrees relative to the air inlet pipeline, the smelting rapid quenching unit is arranged in the reaction chamber and comprises a drip-type crucible arranged in the reaction chamber, reaction products are stored in the drip-type crucible, the inlet end of the drip-type crucible is communicated with the outlet end of the gas rotating pipeline, inert gas is conveyed into the drip-type crucible through the obliquely arranged gas rotating pipeline, so that uniform pressure is applied to the reaction products in a molten state in the drip-type crucible, and the reaction products drip out from the bottom of the drip-type crucible, and the problem that the pressure applied to materials to be reacted is uneven due to the air flow formed by conveying the inert gas into materials in the prior art is solved.

Inventors

WEN GUOSHENG
YAN DAZHOU
YANG TAO
ZHANG CHENG
LI YANPING
HAN ZHICHENG
WANG HONGXUN
CHEN SONGXUAN
LIU CHENG

Assignees

中国恩菲工程技术有限公司
中国有色工程有限公司

Dates

Publication Date: 20260508
Application Date: 20250417

Claims (10)

1. A multi-element magnesium-based hydrogen storage alloy preparation device, characterized by comprising: A reaction chamber (100); The rapid quenching pressure unit (200) is arranged in the reaction chamber (100), the rapid quenching pressure unit (200) comprises an air inlet pipeline (201) and a gas rotating pipeline (202), at least part of the air inlet pipeline (201) extends out of the reaction chamber (100), and the gas rotating pipeline (202) is obliquely arranged at an oblique angle of 45 degrees relative to the air inlet pipeline (201); The rapid smelting quenching unit (300) is arranged in the reaction chamber (100), the rapid smelting quenching unit (300) comprises a drip-type crucible (301) arranged in the reaction chamber (100), reaction products are stored in the drip-type crucible (301), the inlet end of the drip-type crucible (301) is communicated with the air outlet end of the air rotating pipeline (202), and inert gas is conveyed into the drip-type crucible (301) through the inclined air rotating pipeline (202) so as to apply uniform pressure to the reaction products in a molten state in the drip-type crucible (301), so that the reaction products drip out from the bottom of the drip-type crucible (301).
2. The apparatus for producing a multi-element magnesium-based hydrogen storage alloy according to claim 1, wherein said smelting rapid quenching unit (300) further comprises: The induction heating component (302), the induction heating component (302) is arranged in the reaction chamber (100), the induction heating component (302) comprises a spiral induction coil, and at least part of the induction coil is arranged outside the drip-type crucible (301) so as to heat the drip-type crucible (301).
3. The multi-element magnesium-based hydrogen storage alloy manufacturing apparatus according to claim 2, wherein said smelting rapid quenching unit (300) further comprises: And one end of the detection component is arranged at the inlet end of the drip-type crucible (301) so as to detect the real-time temperature of the drip-type crucible (301), and the inert gas is conveyed into the drip-type crucible (301) when the real-time temperature is greater than the set temperature.
4. The apparatus for producing a multi-element magnesium-based hydrogen storage alloy according to claim 1, wherein said smelting rapid quenching unit (300) further comprises: The gas tray (700), one side of gas tray (700) with the end intercommunication of giving vent to anger of admission line (201), revolve gas pipeline (202) slope set up in gas tray (700), the entrance point of drip type crucible (301) pass through gas tray (700) with revolve gas pipeline (202) intercommunication.
5. The apparatus for producing a multi-element magnesium-based hydrogen storage alloy according to claim 1, wherein said smelting rapid quenching unit (300) further comprises: And the smelting fixing part (303), the smelting fixing part (303) is arranged on the inner wall surface of the reaction chamber (100), a fixing hole is formed in the smelting fixing part (303), and the inlet end of the drip-type crucible (301) is arranged in the fixing hole so as to fix the drip-type crucible (301) through the fixing hole.
6. The apparatus for producing a multi-element magnesium-based hydrogen occluding alloy as recited in claim 5, wherein, The inner wall surface of the fixed hole is provided with an internal thread, the outer wall surface of the inlet end of the drip-type crucible (301) is provided with an external thread, and the internal thread is matched with the external thread so as to fix the drip-type crucible (301) on the smelting fixed part (303).
7. The apparatus for producing a multi-element magnesium-based hydrogen storage alloy according to claim 1, further comprising a gas substitution unit (400), said gas substitution unit (400) comprising: A replacement air inlet (401) and a replacement air outlet (402) which are arranged on the side wall of the reaction chamber (100), wherein the replacement air inlet (401) is positioned below the replacement air outlet (402); And the air extraction end of the vacuumizing component is communicated with the replacement air outlet (402) so as to vacuumize the air in the reaction chamber (100) and discharge the air in the reaction chamber (100).
8. The apparatus for producing a multi-element magnesium-based hydrogen storage alloy according to claim 7, wherein said gas substitution unit (400) further comprises: And an argon gas supply part, wherein an air outlet of the argon gas supply part is communicated with the replacement air inlet (401) so as to input argon gas into the reaction chamber (100) after the vacuumizing part vacuumizes the air in the reaction chamber (100).
9. The multi-element magnesium-based hydrogen storage alloy preparation device according to claim 2, further comprising a collection unit (500), wherein the collection unit (500) is located below the drip-type crucible (301), the collection unit (500) comprises a containing tank (501) and a cooling disc, the cooling disc and the containing tank (501) are adaptively nested in the containing tank (501), and quenching oil is contained in the cooling disc so as to cool products dripping from the bottom of the drip-type crucible (301).
10. The apparatus for producing a multi-element magnesium-based hydrogen storage alloy according to claim 1, wherein, A feed inlet is further formed in one side, located at the air inlet pipeline (201), of the top of the reaction chamber (100); the preparation device further comprises a feeding pipeline (600), and one end of the feeding pipeline (600) enters the drip-type crucible (301) from the feeding hole so as to convey reaction raw materials into the drip-type crucible (301).

Description

Multi-element magnesium-based hydrogen storage alloy preparation device Technical Field The utility model relates to the technical field of magnesium-based hydrogen storage alloy preparation, in particular to a multi-element magnesium-based hydrogen storage alloy preparation device. Background In the context of the continued development and application of hydrogen energy storage technology, solid-state hydrogen storage materials are receiving a great deal of attention due to their high storage density and safety. As an important solid hydrogen storage material, magnesium-based hydrogen storage alloy has high theoretical hydrogen storage capacity and rich resources, and becomes a research hot spot. However, the problems of high hydrogen absorption and desorption temperature and slow hydrogen rate of the magnesium-based alloy in the hydrogen storage process limit the wide popularization of the magnesium-based alloy in practical application. In response to this technical bottleneck, researchers have proposed and tried various improvements including, but not limited to, material nanocrystallization, catalyst doping, alloying, and the like. In the process of preparing magnesium-based hydrogen storage materials by alloying, smelting and rapid quenching technologies are one of the key steps. The smelting technique is used for mixing metal elements into alloy, and the rapid quenching technique is used for rapidly cooling after the alloy is melted so as to refine grains and improve the hydrogen storage performance of the material. At present, common smelting and quick quenching equipment generally comprises an independent smelting system and a quick quenching system, and the separated structure is large in equipment and complex in operation, and in the transition process between smelting and quick quenching, the alloy material is easy to generate component segregation, so that the hydrogen storage performance is influenced. In the device for preparing the multi-element magnesium-based hydrogen storage alloy, pressure needs to be applied to materials to be reacted, but when inert gas is conveyed to the preparation device for preparing the multi-element magnesium-based hydrogen storage alloy in the prior art, uneven pressure is applied to the materials to be reacted in the preparation device by the air flow formed by the inert gas, so that the microstructure and the final hydrogen storage performance of the alloy are affected. Disclosure of utility model The utility model mainly aims to provide a multi-element magnesium-based hydrogen storage alloy preparation device, which is used for solving the problem that in the prior art, the pressure applied to a material to be reacted is uneven due to the air flow formed by conveying inert gas into the material to be reacted. In order to achieve the above object, according to one aspect of the present utility model, there is provided a multi-element magnesium-based hydrogen storage alloy manufacturing apparatus comprising: A reaction chamber; The rapid quenching pressure unit is arranged in the reaction chamber and comprises an air inlet pipeline and a gas rotating pipeline, at least part of the air inlet pipeline extends out of the reaction chamber, and the gas rotating pipeline is obliquely arranged at an oblique angle of 45 degrees relative to the air inlet pipeline; The rapid smelting quenching unit comprises a drip-type crucible arranged in the reaction chamber, wherein reaction products are stored in the drip-type crucible, the inlet end of the drip-type crucible is communicated with the air outlet end of the air rotating pipeline, and inert gas is conveyed into the drip-type crucible through the air rotating pipeline which is obliquely arranged, so that uniform pressure is applied to the reaction products in a molten state in the drip-type crucible, and the reaction products drip out from the bottom of the drip-type crucible. Further, the smelting rapid quenching unit further comprises: The induction heating component is arranged in the reaction chamber and comprises a spiral induction coil, and at least part of the induction coil is arranged outside the drip-type crucible so as to heat the drip-type crucible. Further, the smelting rapid quenching unit further comprises: And the detection component is connected with the induction heating component, and one end of the detection component is arranged at the inlet end of the drip-type crucible so as to detect the real-time temperature of the drip-type crucible, and the inert gas is conveyed into the drip-type crucible when the real-time temperature is greater than the set temperature. Further, the smelting rapid quenching unit further comprises: The gas disk, the one side of gas disk and the end intercommunication of giving vent to anger of utensil admission line, the gas vortex pipeline slope sets up in the gas disk, and the inlet end of drip-type crucible communicates with the gas vortex pipeline through the gas disk. Fu