Sensor för hydraulolja

Sammanfattning

This is the final documentation of the basis that can be the foundation of how to solve the

problem with leaking hydraulic oil in a shoe press at the company Albany International

AB in Halmstad, Sweden.

The project has been performed at Halmstad University as a degree project commissioned

by Albany International AB. The purpose of the degree project was to find a way of

detecting the hydraulic leak of a shoe press. The reason is that the shoe press runs

unattended during nights and weekends, this can cause an extensive decontamination

work and production stop if leak. The hydraulic oil could be leaking in large amounts or

slowly as a fine mist. The development of a working system that can detect a hydraulic

oil leak and stop the machine before a large amount of hydraulic oil leaks out would

considerably reduce the cost of the decontamination work. It would also reduce the

interruption time of the production. When the hydraulic oil is leaking as a fine mist and

spreading in the facility, the risk of fire is much higher and will be reduced if detected in

time.

The outcome of the degree project is this document containing results of investigations

and a suggestion on how to make a prototype. In benefit of investigations, inquiry and

tests the project group has been able to choose a suitable method of how to detect a

hydraulic leak. The prototype has been tested in laboratory environment and showed a

god ability to detect hydraulic oil.