The Alfa Laval BlueBox SA is based on the proven BlueBox monitoring technology developed for the Alfa Laval PureBilge oily water separator. However, it is a stand-alone unit that can be used with any oily water separation solution.

The lockable BlueBox SA box houses monitoring and data recording equipment, as well as an automatic three-way overboard valve. It monitors the oil content and only allows the valve to move into the overboard position under the following conditions:

• PPM at set level (<15 or <5 ppm)
• OCM running without alarm
• BlueBox SA cover closed
• Sample flow directed through OCM
• Permission granted by all remote signals governing overboard operations

To prevent tampering, the BlueBox SA automatically switches the valve to recirculation if the door is opened.

The discharge volume and other data values recorded by the BlueBox SA are stored for 18 months and can easily be exported as a PDF for presentation to authorities.

应用

The BlueBox SA can be used for:

• Clean water tanks (legislated) after the oily water separator, where the water cleanliness must be verified according to MEPC regulations prior to discharge
• Clean drain tanks (optional) that collect steam condensate, cooling water, etc., in order to avoid sending it for unnecessary processing by the oily water separator if the content is already within PPM limits
• Upgrading an existing oily water separation system to minimize the risk of non-compliant discharge