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Gasification process of LNG (liquefied natural gas)

A technology of liquefied natural gas and process, which is applied in the field of gasification process of liquefied natural gas, can solve the problems of late start of liquefied natural gas technology, and achieve the effects of convenient management, simple process and cost reduction

Inactive Publication Date: 2012-05-16
袁俊海
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Liquefied natural gas has broad application prospects in the field of urban gas peak regulation, but my country's liquefied natural gas technology started relatively late, and there is still a big gap compared with foreign developed countries

Method used

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Embodiment

[0020] The gasification process of liquefied natural gas involved in the present invention, its system mainly includes the delivery pump inside the storage tank, the submersible pump is preferred for the delivery pump inside the storage tank; the delivery pump outside the storage tank, the booster pump is preferred for the delivery pump outside the storage tank , gasifier, metering facilities and odorizing devices and other devices. There are two types of gasification equipment: fixed type and mobile type. The purpose is to heat and gasify liquid natural gas for use by users. The structure and shape are similar to water jacket furnaces in oil fields.

[0021] The present invention comprises the following steps:

[0022] (a) After the liquefied natural gas in the storage tank is pressurized by the delivery pump inside the storage tank and the delivery pump outside the storage tank, it is sent to the gasifier for gasification;

[0023] (b) Gasified natural gas is sent to the pi...

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Abstract

The invention discloses a gasification process of LNG (liquefied natural gas). The gasification process of the LNG comprises the following steps: pressurizing the LNG and then gasifying the pressurized LNG; odorizing and metering the gasified LNG; and feeding in a pipe network, conveying to a user and the like. The gasification process is simple in flow path, convenient in transportation, low in cost and convenient in management.

Description

technical field [0001] The invention relates to a gasification process of liquefied natural gas. Background technique [0002] The peak-shaving natural gas liquefaction process operates in three stages throughout the year, namely, the liquefaction stage, the backup stage, and the gasification and transportation stage. The period of the liquefaction stage is generally 50-300 days, and the remaining natural gas available in the upstream is liquefied; the liquefied natural gas is stored in the storage tank in the standby stage, and there is no increase or output of liquefied natural gas; the gasification transportation stage gasifies the stored liquefied natural gas and sends it to Natural gas network. [0003] Compared with the base-load LNG plant, the production scale of the peak-shaving LNG plant is small, and its liquefaction capacity is generally about 1 / 10 of the peak load capacity, but its storage and gasification capacity is large. Usually, the gasification capacity I...

Claims

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Application Information

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IPC IPC(8): F17C7/04F17D1/04
Inventor 袁俊海
Owner 袁俊海