LIRW
Central system for the collection, storage and release of liquid radioactive waste
The system consists of several stainless steel tanks connected to a facility sewerage system, where radionuclides may occur. The system is universal and can be implemented in any kind of facility. The system can be customised (number of tanks, volume) according to the project specification.
Hardware and software enabling management of the system are part of the system. It is fully automatic; however, manual control is available. The system consists in the following parts:
- Tanks for the retention of liquid radioactive waste
- Pumps
- Valves
- Stainless steel piping
In each tank the following measurements are available:
- Continuous liquid waste level measurement
- Maximum and minimum liquid waste level measurement
- Measurement of Tank radioactivity levels (liquid waste volume radioactivity monitor)
The system can be controlled via a control panel or a software allowing remote monitoring of the technology and the radiation situation. The control system consists of PLC AMIT and a technological computer with touchscreen and software.
Key features
- Collecting of liquid radioactive waste from all controlled areas in the facility
- Temporary retention (storage) of the waste
- Online control & measurement of the waste
- Controlled release to the sewerage
Additional functions
- Blocking the release of liquid waste when levels of radioactivity exceed the determined reference level
- Monitoring of the progress of individual radionuclides contained in the liquid waste radioactivity
- Monitoring of the level of individual tanks
- Switching the inlet of the radioactive waste to any of the tanks
- Mixing of liquid radioactive waste in each tank
- Pumping of the liquid radioactive waste from one tank into another
- Control of liquid waste release to the sewerage
- Controlled fooding of the tanks (in the case of upcoming food)
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