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Liquefied natural gas gasification system and method based on circulating solar power generation

A technology of liquefied natural gas and liquefied natural gas tanks, applied in the directions of solar thermal power generation, mechanical power generated by solar energy, machines/engines, etc., can solve the problems of complex systems, large energy consumption, inconvenient operation, etc., and achieve saving of fossil energy and system Simple structure and low manufacturing cost

Inactive Publication Date: 2015-07-01
BEIJING UNIVERSITY OF CIVIL ENGINEERING AND ARCHITECTURE
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Problems solved by technology

[0003] The LNG gasification process consumes a lot of energy. The existing LNG gasification methods generally have the disadvantages of limited adjustable heating load, great impact on the environment, complex systems, and the need to burn a large amount of natural gas for gasification itself. Operation Inconvenient and does not take advantage of saving energy
In addition, in my country, solar energy is a kind of long-lasting renewable energy that is ubiquitous and has a very large developable reserve. It is still relatively seldom used in the field of natural gas gasification. case studies and studies

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  • Liquefied natural gas gasification system and method based on circulating solar power generation

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Embodiment Construction

[0026] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0027] Such as figure 1 A liquefied natural gas gasification system based on solar cycle power generation is shown, including a solar heat collection and heat storage unit, an organic Rankine cycle power generation unit and a liquefied natural gas gasification unit, and the solar heat collection and heat storage unit includes a heat storage tank 18, a high temperature Pump 1, first valve 2, solar heat collector 3, second valve 4, first heat exchanger 5, second heat exchanger 6, third valve 7, fourth valve 8 and pipeline; organic Rankine cycle power generation The unit includes a working medium pump 9, a first heat exchanger 5, an expander 10, a third heat exchanger 11, a fourth heat exchanger 12 and corresponding pipelines; the (jet type) LNG gasification unit includes a LNG tank 13, The fifth valve 14, the liquefie...

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Abstract

The invention provides a liquefied natural gas gasification system and method based on circulating solar power generation. The liquefied natural gas gasification system comprises a heat collection and storage unit, a power generation unit and a natural gas gasification unit, wherein the heat collection and storage unit is connected with the power generation unit through a first heat exchanger, the power generation unit is connected with the gasification unit through a third heat exchanger and a fourth heat exchanger, and the natural gas gasification unit is connected with the heat collection and storage unit through a second heat exchanger. In the gasification system, collected solar energy is utilized in a graded mode, high-temperature heat-transfer working media are used for power generation through an organic Rankine circulating system, waste heat is used for jet type liquefied natural gas gasification, liquefied natural gas gasification is achieved while renewable energy resources are used for power generation, the liquefied natural gas gasification speed is increased, and non-renewable energy resources are saved.

Description

technical field [0001] The invention relates to the field of gasification of liquefied natural gas, in particular to a system and method for gasifying liquefied natural gas based on solar cycle power generation. Background technique [0002] With the rapid development of the global economy and society, people's demand for energy is increasing, and the requirements for environmental improvement are getting higher and higher. How to improve the utilization rate of renewable energy and further improve the utilization rate and saving degree of non-renewable energy becomes more and more important. [0003] The LNG gasification process consumes a lot of energy. The existing LNG gasification methods generally have the disadvantages of limited adjustable heating load, great impact on the environment, complex systems, and the need to burn a large amount of natural gas for gasification itself. Operation Inconvenient and does not take advantage of saving energy. In addition, in my co...

Claims

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Application Information

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IPC IPC(8): F03G6/00
CPCY02E10/46F03G6/06
Inventor 熊亚选史建峰栗博陈红兵王刚
Owner BEIJING UNIVERSITY OF CIVIL ENGINEERING AND ARCHITECTURE
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