MI SWACO receives cargo hold cleaning order for Norwegian national oil supply vessel

Statoil has long been looking for ways to clean its supply vessels for safer and more efficient operations.
M-I SWACO receives cargo hold cleaning order from Norwegian National Oil Supply Ship
It is reported that MI SWACO has developed a new technical solution not long ago.
A few days ago, the company received a contract awarded by Norwegian National Oil, valued at approximately NOK 500 million, and an additional alternative priority contract. Norwegian National Oil's supply vessel has not used this technology before, but MI SWACO used the technology in its own fleet, this time MI SWACO company commercialized the technology.
The supply vessel mainly uses the cargo tanks below the deck to transport chemicals. The technical solution includes an automated system that eliminates the need for manual access to the cargo compartment for cleaning and increases personnel safety. The rinse water and foam used can also be recycled, only the real waste is washed away, reducing time and cost.

eference example: Water-sand blasting process with paint-removal and rust-removal from ships

With the water-sand blasting process, an abrasive agent is added to the high-pressure water, in order to enable efficient paint and rust removal from metallic surfaces. Dust contamination concerns mean that pure sand blasting is prohibited in many countries, or permissible only under strict conditions. Water-sand blasting is an alternative which enables the use of abrasive agents, such as sand, silica sand or ground blast furnace slag, in order to achieve different shot blasting results.

In comparison with purely abrasive agent shot blasting systems, this system has the advantage that no deformation (peening) arises in the shot blasted material. With the water-sand blasting process the heat is removed by the water so no form-changing heat concentration occurs in the shot blasted material. In addition, in case of paint removal with high pressure, the removed material is carried in the water and washed away.

In case of the water-sand blasting process, our AK600 HIGH PRESSURE GUN is provided with an injector, through which the abrasive additive is added to the water. With increasing operating pressure, the required quantity of abrasive agent reduces. Vice versa in comparison with pure water jets, a significantly lower pressure is required for a comparable result. 

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