Cold trap
First Claim
1. A cold trap including a section for cooling inflowing liquid sodium, a section for trapping precipitated impurities in said liquid sodium, a sodium inlet nozzle communicated with said cooling section, a sodium outlet nozzle communicated with said trapping section, and a double-walled cylindrical structure disposed between said cooling section and said trapping section, said double-walled structure being filled with a heat-insulating gas, characterized in that said double-walled cylindrical structure is closed at its upper end but open at its lower end and that an expanded portion for storing the heat insulating gas is formed at the open lower end and/or in the vicinity thereof of said double-walled structure.
2 Assignments
0 Petitions
Accused Products
Abstract
A cold trap including a section for cooling inflowing liquid sodium, a section for trapping impurities in the sodium, and a double-walled cylindrical structure disposed between the cooling section and the trapping section. The double-walled structure is filled with a heat-insulating gas, and is closed at its upper end but open at its lower end. An expanded portion designed for storing the heat-insulating gas is formed at the open lower end or in the vicinity thereof of the double-walled structure.
10 Citations
5 Claims
- 1. A cold trap including a section for cooling inflowing liquid sodium, a section for trapping precipitated impurities in said liquid sodium, a sodium inlet nozzle communicated with said cooling section, a sodium outlet nozzle communicated with said trapping section, and a double-walled cylindrical structure disposed between said cooling section and said trapping section, said double-walled structure being filled with a heat-insulating gas, characterized in that said double-walled cylindrical structure is closed at its upper end but open at its lower end and that an expanded portion for storing the heat insulating gas is formed at the open lower end and/or in the vicinity thereof of said double-walled structure.
Specification