Method and apparatus for preparing rapid-solidified hydrogen-storage alloy powder material
A technology for hydrogen storage alloys and powder materials, which is applied in the field of preparation of rapidly solidified hydrogen storage alloy powder materials, can solve the problems of reduced hydrogen absorption capacity, consumption of protective gas, and increased production costs, and achieves increased productivity, oxygen absorption and activation The effect of ability improvement
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[0040] The invention provides a preparation method and device of a rapidly solidified hydrogen storage alloy powder material. The method includes the following steps:
[0041] (a) Pretreatment of raw materials, adjusting the composition of master alloys or alloys as raw materials, and adding rare earth metals and hydrogen storage alloy scraps to raw materials. use as figure 1 The shown fully continuous vacuum argon induction furnace high-pressure inert gas atomization powder making device, through its continuous feeding tank 5, control valve 4, and screw feeder 3, raw materials are continuously fed into its vacuum-argon-protected heat-conducting intermediate material Preheating is carried out in the tank 2, and the preheating temperature of the raw materials is 650°C.
[0042] (b) Put the preheated raw material directly into the vacuum-argon induction furnace 8 for smelting through the vibrating feeding plate 1 at the bottom of the heat-conducting intermediate material tank ...
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