A natural gas liquefaction equipment
A natural gas and equipment technology, applied in the field of natural gas liquefaction and environmental protection, can solve the problems of high cost and complex structure, and achieve the effect of simple equipment structure and saving investment
Active Publication Date: 2022-05-17
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology
The natural gas liquefaction equipment in the prior art has complex structure and high cost
Method used
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[0028] The present invention will be further described below in conjunction with accompanying drawing.
[0029] figure 1 A natural gas purification plant 100 according to one embodiment of the invention is shown. Such as figure 1 As shown, the natural gas purification equipment 100 includes a natural gas processing system 1 , a natural gas liquefaction system 2 , a carbon dioxide turbine power generation system 3 and an air separation system 4 . Wherein, the natural gas liquefaction system 2 has an LNG storage tank 26 for storing liquefied natural gas. On the other hand, the carbon dioxide turbine power generation system 3 has a combustor 31 and a turbine generator 32 . Among them, the burner 31 is configured to receive the flash gas of the LNG storage tank 26 and burn it, and the combustion heat heats the carbon dioxide to form a high-temperature mixed medium to drive the turbine generator 32 to generate power, and the carbon dioxide discharged during the power generation ...
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The present invention proposes a natural gas liquefaction facility, comprising a natural gas liquefaction system having an LNG storage tank for storing liquefied natural gas, and a carbon dioxide turbine power generation system having a burner and a turbine generator, the burner being configured to receive the LNG storage tank The flash gas is burned to heat carbon dioxide to form a high-temperature mixed medium to make the turbine generator generate electricity. The turbine generator is constructed so that the emitted carbon dioxide can be supplied to the burner. This equipment uses the flash gas of liquefied natural gas as fuel, and the high-temperature gas generated is used as supercritical carbon dioxide The heat source of the Brayton cycle power generation system drives the carbon dioxide turbine generator to generate electricity, and the generated electricity supplies the energy consumption required by the entire natural gas liquefaction equipment, so there is no need to build a natural gas pipeline network and power grid, saving investment, and the equipment has a simple structure.
Description
technical field [0001] The invention relates to the technical field of natural gas liquefaction and its environmental protection, in particular to a natural gas liquefaction equipment. Background technique [0002] In recent years, with the improvement of energy transformation and environmental protection requirements, people's demand for clean energy is increasing. The consumption and trade of liquefied natural gas (LNG) are growing rapidly, and the scope of use is also expanding. The liquefaction process is at the heart of LNG production. The natural gas liquefaction equipment in the prior art has complex structure and high cost. Contents of the invention [0003] Aiming at part or all of the above-mentioned technical problems existing in the prior art, the present invention proposes a natural gas liquefaction equipment. The equipment uses natural gas as fuel, and the high-temperature gas generated is used as the heat source of the supercritical carbon dioxide Brayton...
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IPC IPC(8): F25J1/02
CPCF25J1/0257F25J1/0022F25J1/005F25J1/0052F25J1/0045F25J2220/62F25J2220/64F25J2240/70F25J1/023F25J1/0236F25J2215/80F25J2260/80
Inventor 黄业千黄辉李伟李长河郑友林
Owner CHINA PETROLEUM & CHEM CORP