Domed External Floating Roof Tank

An external floating roof tank is a storage tank commonly used to store large quantities of petroleum products such as crude oil or condensate.

Domed external floating roof tank.

Specifically it is an environment friendly and economical storage tank or oil tank installed a floating roof under the vault of the tank usually made of aluminum stainless steel or other material to prevent the. The roof rises and falls with the liquid level in the tank. Domed external floating roof tanks usually result from retrofitting an external floating roof tank with a fixed roof. Although the efrt may have a lower initial cost than the ifrt it may not have the lowest total ownership cost when long term operating costs maintenance costs and potential risks are considered.

Domed external floating roof tanks usually result from retrofitting an external floating roof tank with a fixed roof. As with the internal floating roof tanks the function of the fixed roof is not to act as a vapor barrier but to block the wind. As with the internal floating roof tanks the function of the fixed roof is not to act as a vapor barrier but to block the wind. It consists of an open topped cylindrical steel shell equipped with a roof that floats on the surface of the stored liquid.

The type of fixed roof most commonly used is a self supporting aluminum dome roof which is of. Internal floating roof tank is known as internal floating roof storage tank floating roof oil tank internal floating plate storage tank and internal floating plate oil tank etc. Loss mechanisms associated with each type of tank are described in section 7 1 2. Horizontal external floating roof domed external or covered floating roof internal floating roof variable vapor sp ace and pressure low and high.