Removable and flexible retention device for recuperation of flammable oils from electric transformer in power distribution network, has trough stretched over removable structure supported on ground, where structure is formed of uprights

摘要

The device has a trough (1) defining a volume and stretched over a removable structure (2) supported on ground. The structure is formed of uprights (3), where each upright comprises a foot (4) at lower end. The foot is supported on the ground, and the uprights are connected by cross-pieces (5). The foot has a hole for receiving a pin spit (7) for fixing the foot to the ground. The uprights and cross-pieces include profiles obtained from pre-stressed aluminum. The trough has a peripheral wall (9) comprising a drain valve (11) connected to a filtering cartridge comprising a gelling agent.