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LNG receiving station energy saving new process and energy saving system

An energy-saving system and receiving station technology, applied in the direction of steam engine devices, gas turbine devices, machines/engines, etc., can solve the problems of power consumption and cold energy throwing away, so as to save power consumption, save maintenance costs, and improve economic benefits Effect

Pending Publication Date: 2019-11-29
黄彦辉
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AI Technical Summary

Problems solved by technology

Not only is the cold energy we bought with money thrown away, but it also consumes a lot of domestic electricity

Method used

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  • LNG receiving station energy saving new process and energy saving system
  • LNG receiving station energy saving new process and energy saving system
  • LNG receiving station energy saving new process and energy saving system

Examples

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example

[0116] Taking Huaying Chaozhou LNG receiving station as an example,

[0117]The receiving capacity of the station is 6 million tons of LNG per year. The receiving station is designed with 7 LNG storage tanks, each with 200,000 cubic meters.

[0118] The pump in the tank pumps LNG out of the tank, and the LNG is transported to the gasification area through the high-pressure pump, and then enters the intermediate gasifier IFV, where it exchanges heat with the intermediate medium, (the intermediate medium can be selected according to the specific needs of the cold energy utilization project ) heat exchange makes the LNG gasify, after being collected, the calorific value is adjusted, the odor is dyed, and the metering is carried out to the high-pressure pipeline network for supply to users. The IFV transfers the cold energy to the industrial projects of cold energy utilization through the intermediate medium for utilization.

[0119] Part of the LNG passes through the cooler 1 t...

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Abstract

The invention provides a LNG receiving station energy saving new process; and the new process changes an idea of only using natural gas as goods for reception, storage and conveying in a LNG receivingstation traditional process, but uses the natural gas as a LNG energy receiving station for comprehensively receiving and conveying LNG energy, including cold energy carried by LNG. The new process changes a traditional gasifying process, cancels all seawater heat exchange equipment facilities, and feeds no cold energy into the sea. An IFV intermediate gasifier set is used for replacing an ORV open shelf type seawater gasifier set; and LNG cold energy is collected by intermediate mediums and conveyed to each cold energy utilization project. The invention further provides a LNG evaporation gastreatment system. Evaporation gas is used for triple power generation; and power generation afterheat is used for LNG gasifiers. New paths are developed for energy conservation, consumption reductionand benefit increment of receiving stations.

Description

technical field [0001] The invention belongs to the technical field of liquefied natural gas, and in particular relates to a new energy-saving process and an energy-saving system of an LNG receiving station. Background technique [0002] There are two ways to import natural gas. Countries connected by land use pipelines to transport natural gas. Countries across the sea will liquefy natural gas first, and then transport it by sea ship. Liquefied natural gas (English abbreviation LNG) is unloaded from sea-going ships at the receiving station at the destination port. LNG is a transparent liquid with a temperature of -162°C. It carries a large amount of cold energy. After unloading, LNG is stored in storage tanks. Before being transported into natural gas pipelines, the liquid natural gas needs to be converted into a gaseous state. This process is called "gasification" ". For more than 40 years, the gasification process has used seawater to exchange heat with LNG. The LNG i...

Claims

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Application Information

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IPC IPC(8): F01D15/10F01K11/02F01K25/10F02C6/00
CPCF01D15/10F01K11/02F01K25/10F02C6/00
Inventor 黄彦辉
Owner 黄彦辉
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