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Method and apparatus for the regasification of liquified natural gas onboard a carrier

A technology of liquefied natural gas and regasification, which is applied in the direction of transportation and packaging, container discharge methods, equipment loaded into pressure vessels, etc., can solve problems such as waste

Inactive Publication Date: 2007-01-31
EXCELERATE ENERGY LTD PARNERSHIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Without an efficient way to get the gas to where there is commercial demand, the gas may be flared as it is being produced, which is wasteful

Method used

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  • Method and apparatus for the regasification of liquified natural gas onboard a carrier
  • Method and apparatus for the regasification of liquified natural gas onboard a carrier
  • Method and apparatus for the regasification of liquified natural gas onboard a carrier

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Embodiment Construction

[0018] Various improvements can be made to the manner in which onboard LNG regasification is carried out on LNGC. In particular, there are other heat sources, heat transfer components, and combinations of heat sources that can be used to provide additional flexibility in the location and environmental impact of onboard LNGC regasification.

[0019] In the past, equipment commonly referred to as "keel coolers" was used to provide a source of cooling for offshore equipment, such as propulsion engine coolers and air conditioners. Such as figure 1 As shown in , the keel cooler 2 is a submerged heat exchanger, which is generally located on or near the bottom of the hull 1 of the ship, and uses seawater as the onboard equipment that requires cooling capacity (cooling capacity) (such as offshore air conditioning equipment 3 ) "heat sink" for the heat generated.

[0020] The keel cooler 2 is operated by using one or more pods (not shown) embedded in the lower part of the hull 1 or a...

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PUM

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Abstract

An LNG carrier having onboard regasification capability that includes a primary source of heat (21) for regasifying the LNG (24) is disclosed. Further, the LNG carrier includes at least one secondary source of heat for regasifying the LNG, a vaporizer (23), an intermediate fluid, and a pump (22) that circulates said intermediate fluid through said vaporizer and said primary and secondary sources of heat.

Description

technical field [0001] The present invention relates to the transportation and regasification of liquefied natural gas (LNG). Background technique [0002] Natural gas is generally transported through pipelines from where it is produced to where it is used. However, a certain region produces a large amount of natural gas, and its production far exceeds the demand. Without an efficient way to get the gas to where there is commercial demand, the gas could be flared as it is being produced, which is wasteful. [0003] Liquefaction of natural gas facilitates the storage and transportation of natural gas. Liquefied natural gas ("LNG") occupies only about 1 / 600 the volume of the same amount of natural gas in its gaseous state. LNG is produced by cooling natural gas below its boiling temperature (-259°F at ambient pressure). LNG can be stored in cryogenic containers at or slightly above atmospheric pressure. By raising the temperature of LNG, it can be converted back to its ga...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17C9/02B63J2/14B63B25/08F17C3/02F17C5/06
CPCF17C2223/0161F17C2227/0323F17C2223/033F17C3/025F17C5/06F17C9/02F17C2270/0126F17C2227/0332F17C2270/0123F17C2221/033F17C2227/0318F17C2270/0105F17C2227/033F17C2225/035F17C2265/05F17C2227/0395F17C2227/0316F17C2227/0393F17C2225/0123
Inventor A·B·尼伦贝格
Owner EXCELERATE ENERGY LTD PARNERSHIP