Community Research and Development Information Service - CORDIS

FP5

BIOHPR Report Summary

Project ID: ENK5-CT-2000-00311
Funded under: FP5-EESD
Country: Romania

Technology and installation for heatpipe filling with sodium

The equipment for filling and closing the heat pipes consists of:
- Port ampulla device;
- Ampulla breaking device;
- Electric oven;
- Heatpipe closing device;
- Vacuum installation.

The glass ampulla with the required sodium quantity is introduced in the port ampulla device. A manual device has the role to break the ampulla. The electric oven is used to heat the pipe to 850ºC.The closing device consists of a hydraulic vice. The jaws of the vice are connected to high current and low voltage, they have also a proximity sensor to open and close the circuit.

The technology for filling heatpipes with sodium consists of the following main stages:
- Insertion of the sodium ampulla;
- Electric heating of the heatpipe;
- Vacuum generation;
- Heating of the port-ampulla device, until sodium melting occurs;
- Breaking of the sodium ampulla;
- Closing, cutting and welding of the filling edge.

The technology and installation have been tested and used for manufacturing the sodium-filled heatpipes for prototype B of the biomass reformer. In this stage it involves mostly manual work, but it can be further improved, especially in the heating stages. Productivity can also be improved.

Related information

Reported by

OVM-ICCPET
Vitan Str. 236 Sector 3
031301 Bucarest
Romania
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