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2. 发明授权

US4878353A Chamber and process for thermal treatment comprising a cooling phase 失效
标题翻译：包括冷却阶段的用于热处理的室和工艺
公开(公告)号：US4878353A
公开(公告)日：1989-11-07
申请号：US244516
申请日：1988-09-09
申请人： Claude Gibot , Jean-Pierre Peyremorte , Richard Sojka
发明人： Claude Gibot , Jean-Pierre Peyremorte , Richard Sojka
IPC分类号： F25D3/10
CPC分类号： F25D3/102
摘要： A treatment chamber for a charge comprises at least oen door, internal walls delimiting a treatment space, passages for the recirculation of gas, and apparatus for circulating gases in the treatment space and the passages. The circulating apparatus extracts the gases from the treatment space (4) and sends them through the passages (9, 9'). The chamber is provided with injectors (12) for cryogenic fluid and an outlet (16) for evacuation of gas. The injectors are at least one nozzle (12) to spray liquid nitrogen or carbon dioxide and are disposed adjacent the circulating apparatus, which is in the form of a fan (8), the injectors (12) being directed toward the inlet of this fan. In the corresponding treatment process, a cryogenic gas is circulated through the charge, a cryogenic fluid e.g. liquid carbon dioxide or liquid nitrogen is injected into the gas flow leaving the charge, and the cooled gas is recirculated so as to cause it to pass again through the charge in the same direction. All contact between the gas and the charge is prevented during its recirculation.
摘要翻译：用于充电的处理室至少包括门，限定处理空间的内壁，用于再循环气体的通道，以及用于在处理空间和通道中循环气体的装置。循环设备从处理空间（4）中提取气体并将其通过通道（9,9'）。该室设置有用于低温流体的喷射器（12）和用于抽空气体的出口（16）。喷射器是喷射液氮或二氧化碳的至少一个喷嘴（12），并且设置在与风扇（8）形式的循环设备相邻的位置，喷射器（12）指向该风扇的入口。在相应的处理过程中，低温气体通过电荷循环，例如低温流体。将液态二氧化碳或液氮注入到离开电荷的气流中，并且将冷却的气体再循环，以使其再次通过电荷沿同一方向。气体和电荷之间的所有接触在其再循环期间被阻止。

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