IS IT SAFE TO USE HIGH PRESSURE WATER INSIDE A REACTOR?
Most people that ask this question do so because we are talking About using pressures of 200 bar in vessel that is designed for less than 10. But there is no pressure building up in the reactor as the cleaning operation is conducted with the bottom valve open, so although the pump unit’s gauge is reading 200 bar we are not pressurising the reactor.
IS IT SAFE TO USE ON A GLASS LINED VESSEL?
This obviously has to be a consideration, but vessel manufacturers advise us that pressures of up to 300 bar can be used, providing there are no particulates in the water and the jets do not dwell on the surface for any length of time – our system works because the jets are moving so we do not see this as a problem.
IS IT SAFE FOR OPERATORS?
Water at 200 bar pressure can be very aggressive and can easily cut, in fact in other industries that is exactly what we use it for. But in these applications, whenever the water jets are running at 200 bar, they are contained within a vessel or chute. If there is a need for hand detailing this would be done with a long lance in a controlled operation at lowered nozzle pressures.
IS IT EASY TO USE?
This system is very easy to use and we offer training schemes with full operating instructions and SOP’s for individual plants and systems.
IS THERE ANY RISK FROM ELECTROSTATIC BUILD UP?
This aspect has been fully investigated by a respected expert based at Southampton University in the UK and the conclusion of his research was that the spray formed cannot generate enough charge to be a source of ignition. So there is no risk from this, but we take the precaution of ensuring that all items of equipment are earth bonded. All of our equipment is fully ATEX Type Approved by SIRA (SIRA04ATEX6228), we can supply high-pressure pump units that are rated to ATEX CE Ex II 2 G c EEx de IIB T4 or ATEX CE Ex II 2 G c EEx de IIC T4.