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利用金属氢化物平衡压力随温度而变化的原理及对氢气的净化作用,可以制成无运动件高压超高纯氢压缩器。本文概括了压缩器对氢压缩合金性能的要求,报道了作者研制成功的一种稀土一镍系氢压缩合金的性能:288K下,压力为1.6MPa的普通氢气(纯度为98%)被氢压缩材料吸收后,在368K下,升格为压力10MPa的超高纯氢气(99.9999%)。最后简要讨论了压缩比,热效率和生成焓的关系。
The use of metal hydride balance pressure changes with temperature principle and purification of hydrogen can be made without moving parts of high pressure ultra-high purity hydrogen compressor. This paper summarizes the performance of compressors for hydrogen-compressed alloys and reports the performance of a rare-earth nickel-based hydrogen-compression alloy developed by the author: normal hydrogen (98% purity) at 288 K is hydrogen compressed After the material is absorbed, it is upgraded to ultra-pure hydrogen (99.9999%) at a pressure of 10 MPa at 368K. Finally, the relationship between compression ratio, thermal efficiency and enthalpy of formation is briefly discussed.