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发明公开
CN104334886A 泵密封装置 有权

泵密封装置
摘要：
本发明涉及用于密封核电站的泵的装置(1)，所述装置(1)包括：机械轴封(70)，流体集管，其包括：第一多个表面(35)，其与所述机械轴封(70)协作；第二多个表面(36)，其设计成与泵壳体(10)协作；多个通道(44，45，46，47)，其在运行状态中形成第一流体回路(33)和第二流体回路(34)，第一流体回路构成第一多个表面(35)和第二多个表面(36)之间的隔热件(31)，第二流体回路将流体供应到所述机械轴封(70)，以便对其进行冷却。
摘要（英）：

The invention relates to a device (1) for sealing a pump of a nuclear power station, said device (1) comprising: a mechanical packing (70), a fluid header comprising: a first plurality of surfaces (35) that cooperate with said mechanical packing (70); a second plurality of surfaces (36) that are designed to cooperate with a pump housing (10); a plurality of ducts (44, 45, 46, 47) that form, in an operating state, a first fluid circuit (33) that constitutes a thermal barrier (31) between the first plurality of surfaces (35) and the second plurality of surfaces (36), and a second fluid circuit (34) that supplies fluid to said mechanical packing (70) in order to cool it.

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