The roof may be flat cone shaped or domed.
Fixed dome roof tank.
The mostof them are for tanks with diameter dfrom 6 0 m to60 0 m but there are not any obstacles to be used for bigger diameters.
A fixed roof tank is a type of storage tank used to store liquids consisting of a cone or dome shaped roof that is permanently affixed to a cylindrical shell.
In service installation can be erected on the ground beside the tank or on an efr and lifted into place easily.
Keeping the product cool allows it to be stored at or near atmospheric pressure.
There is no need to work so installation risks are minimized.
By using ateco you can control and reused.
Generally in refineries and especially for liquid fuels there are fixed roof tanks and floating roof tanks.
Storage tanks are usually fully welded and designed for both liquid and vapor tight while older tanks are often have a riveted or bolted construction and are not vapor tight.
We can also supply cone roofs.
In compliance with api standards fixed dome roofs are easy to install and cost competitive.
Vertical fixed roof tank information.
Dextra provides fixed dome roofs made of aluminium for all types of tanks.
Fixed roof tanks the roof of a fixed roof tank is part of the structure fig.
The roof of the tank is usually cone or dome shaped though there s no norm.
A typical fixed roof tank consists of a cylindrical steel shell with a cone or dome shaped roof that is permanently affixed to the tank shell.
Fuel oil water bitumen etc cone roofs dome roofs and umbrella roofs are usual.
Fixed roof tanks are meant for liquids with very high flash points e g.
These are insulated to prevent the clogging of certain materials wherein the heat is provided by steam coils within the tanks.
Fixed roofs tanks can be made of steel and are fully welded to make them liquid and vapor tight.
The dome is designed to accommodate the positive pressure in the tank.
Refrigerated storage tanks store liquefied hydrocarbon gases like propane and butane.
Fixed roofs could be used in these cases.
These tanks are usually large dome roof tanks that are insulated to keep the stored product cool.
A of all kinds of products crude oil gasoline benzene fuel oil water beer molasses milk silphur etc.
Supported cone roofs underconstruction.
Older tanks however are often riveted or bolted and are not vapor tight.
There will always be a vapor space between the liquid surface and the roof.
Roof characteristics type cone or dome height ft radius ft if dome roof slope ft ft if cone roof breather vent settings vacuum setting psig pressure setting psig return to.
Air pollution inventory office of air resources.
