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Corrugated Pipe for Natural Gas Storage Tank

PrestressDesignandconstructiontechnologyoflarge-scalecryogenicliquefiednaturalgasreinforcedconcretestoragetankasinternationaloilpricesremainhighforalongtime,globaldemandforcleanerenergyisgrowingstrong
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Prestress Design and construction technology of large-scale cryogenic liquefied natural gas reinforced concrete storage tank as international oil prices remain high for a long time, global demand for cleaner energy is growing strongly. According to international authorities, natural gas is the fastest-growing source of energy in the 21st century, and the share of disposable energy consumption will increase. It is expected that the share of natural gas in the global energy structure will surpass that of coal by 2010, and will overtake oil as the primary energy source in the energy mix around 2020.

Prestress Design and construction technology of large-scale cryogenic liquefied natural gas reinforced concrete storage tank as international oil prices remain high for a long time, global demand for cleaner energy is growing strongly. According to international authorities, natural gas is the fastest-growing source of energy in the 21st century, and the share of disposable energy consumption will increase. It is expected that the share of natural gas in the global energy structure will surpass that of coal by 2010, and will overtake oil as the primary energy source in the energy mix around 2020.

LNG is under normal pressure natural gas through certain cooling refrigeration cycle to - 162 ℃ or so into the liquid, the size is about 1/600 of gaseous natural gas under atmospheric pressure. LNG is a special transportation and storage form for natural gas, which is good for long-distance transportation of natural gas. Compared with pipeline transportation, it reduces the transportation cost and is more flexible. The natural gas volume is much smaller than the normal temperature of natural gas, which reduces the storage cost of natural gas.

In order to resist all kinds of loads and functions, the prestressed tendons are arranged in the outer tank, and a reasonable prestressed stress is established in the concrete of the tank to ensure that the LNG is not leaked. The prestressed tendon is bonded to the horizontal wall of the tank wall, and the ring force in the tank can be resisted. Four supporting columns are provided for prestressed reinforcement. Twelve, each containing phi S15.2 steel strand is composed of 2 curve tendons, each section of the Angle is 180 °, on taking post cross overlapping each other, and stagger tensioning end, is advantageous to the tank wall uniform stress. Ring to the prestressed reinforcement is divided into A, B, C, D4 group, AB and CD set respectively in the same horizontal plane surrounded the entire cylinder, AB group on tensioned anchorage buttress 2, 4, CD group in buttress tensioned anchorage on 1, 3, AB and CD group interval arrangement on the height direction.

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