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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||422/62 ; 422/111 ; 422/190 ; 422/191|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 3 인용 특허 : 1|
A generator for producing an atmosphere of nitrogen containing hydrogen by cracking ammonia and recycling a previously generated atmosphere that already had been used. The atmosphere generated by cracking, and the recovered atmosphere that previously had been used, are subjected in a reactor to a catalytic treatment at a temperature between 0°and 600°C. and then, after passing through a refrigeration arrangement, the resultant atmosphere is prepared for use. As one example the atmosphere is adapted to be used as a protective atmosphere for metallurgical ...
A generator for generating a protective reducing atmosphere which is formed at least partly by nitrogen and hydrogen and which is intended to be fed into a heat-treating installation, comprising, in combination (a) cracking means provided with a supply duct connected to a source of ammonia under pressure for cracking ammonia to produce nitrogen and hydrogen therefrom, said cracking means having an outlet duct to supply said nitrogen and hydrogen; (b) a recovery pipe connected to an outlet of said installation for recovering an oxygen-contaminated atmosph...