Waste Fuel Handling & Processing
1.IN CELL POWER MANIPULATOR
Development of 7 degrees of freedom, powered robot for unmanned operation inside cell having active nuclear waste handling process.
Various degrees of freedom:
| Longitudinal Traverse |
- |
9700mm. |
| Cross Traverse |
- |
5000mm. |
| Main Vertical traverse axis |
- |
3000mm. |
| Main roll |
- |
360°C endless. |
| Secondary Roll |
- |
360°C endless |
| Main Pitch |
- |
± 120°C |
| Secondary Pitch |
- |
± 90°C. |
| Gripper movement |
- |
150mm. |
The pay load at end effector is 100 Kg. Load lifting capacity at Main Vertical axis is 1000 Kg.
Criticalities:
- All parts with nuclear grade Stainless Steel.
- Totally concealed design.
- Remotely controlled and maintained by means of another manipulator.
2.SPENT FUEL STORAGE TANK
Design & Manufacture of Vessel for dry storage of Nuclear Waste.
Criticalities:
- Procurement of 100 / 50 / 26 mm thick SS 316 L Plates.
- Rolling of SS 316L Plates of thickness 26 / 28mm<./li>
- Forming of dished ends with thickness 28 mm.
- Welding of Shells as per ASME Section –III / IX. Shell Dimension ID 2300 mm x 5041 mm Ht. x 26 mm thk.
- Radiography testing of all butt joints and Ultrasonic Testing joints where ever RT is not possible.
- Development of forgings (SS 431) of size Dia. 2600mm x 1000 mm thick involving Radiography and Ultrasonic testing.
- Development of ring forgings (SS 431) to size 2400 mm OD x 2000 mm ID x 70 mm thk. with hardness of 400 BHN.
- Machining of Grid Plates with 300 bores of size 76H12 with positioning accuracy of 25 microns. Size of Grid plate Dia.2300 mm x 40 mm thk.
3.MAINTENANCE VEHICLE
Design and Manufacture of Unmanned vehicle for remote maintenance of Pumps in Highly Radioactive area.