Pontoon Floating Roof Design

Design of a floating roof crude oil storage tank of 100 000bpd capacities proceedings of the 44 th nsche annual conference owerri 2014.

Pontoon floating roof design.

Pontoon type floating roofs are the most economical type of floating roofs in the market. Heavy duty aluminium skin and pontoon internal floating roof the matrix applied technologies heavy duty ifr comprises 5 core elements a central frame a deck pontoons landing legs and rim seal. The length of the legs must be adjustable from the top of the roof and the legs must be notched or perforated at the bottom to provide drainage. The allentech hybrid stainless steel aluminum internal floating roof was developed for products which may be corrosive to aluminum in the liquid phase.

Ergil storagetech internal floating roofs which minimize the evaporation losses of stored products such as jet fuels gasoline diesel and crude oil can be supplied as aluminium or stainless steel. The deck sits on top of the pontoons which allow it to float clear of the product surface. This hybrid skin pontoon type ifr is the same basic design as our aluminum skin pontoon ifr except that all submerged or partially submerged components are constructed of stainless steel. Jimmy dorcas etim 2014.

The obeyed methodology of this study is by calculating the center of gravity and moment of inertia of the floating roof in each case. Pontoon boats 101. The pontoon boat has a unique look unlike any other type of boat. One is the foam filled u shaped pontoon another is the round baffled single chambered pontoon and then there is the single round pontoon with several airtight individual compartments.

12 in single deck roof which shown in figure 1 6 is also called pontoon roof the buoyancy is derived in the pontoon an annular circular pontoon radially divided into liquid tight compartments. The floating roof must be provided with landing legs that are designed to support the external floating roof under a uniform design load of at least 25 psf api 650 appendix c 3 10. Due to environmental issue selection of the roof seal is one of the major concerns in the floating roof tank design. To study roof pontoons design a buoyancy analysis of the floating roof was established with punctured pontoons.

In this study three cases were applied to analyze the buoyancy of the floating roof in each case. There are three primary types of pontoon designs used on current pontoon boats. We ve done so by ensuring our ifr has a proper frame with regularly spaced crossbeams.