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Pressurized liquefied hydrocarbon loading and unloading residual liquid recovery system and recovery method

A recovery system and technology for liquefied hydrocarbons, which are applied in liquid bottling, container filling methods, and container discharge methods, etc., can solve the problems of in-situ discharge of liquefied hydrocarbon residues, and achieve the effect of safe and effective recovery

Active Publication Date: 2022-06-28
CHINA PETROLEUM & CHEM CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a pressurized liquefied hydrocarbon loading and unloading residual liquid recovery system and recovery method in order to overcome the problem of in-situ discharge of the liquefied hydrocarbon residual liquid between the crane pipe end and the tanker end ball valve when the existing quick joint is separated. The recovery system effectively solves the problem of on-site discharge of the liquefied hydrocarbon residue between the crane pipe end and the ball valve at the tanker end when the quick joint is separated, and can realize safe and effective recovery of the liquefied hydrocarbon residue during loading and unloading operations

Method used

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  • Pressurized liquefied hydrocarbon loading and unloading residual liquid recovery system and recovery method
  • Pressurized liquefied hydrocarbon loading and unloading residual liquid recovery system and recovery method
  • Pressurized liquefied hydrocarbon loading and unloading residual liquid recovery system and recovery method

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Embodiment Construction

[0033] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.

[0034] figure 1 It is a schematic structural diagram of the pressurized liquefied hydrocarbon loading and unloading residual liquid recovery system provided by an embodiment of the present invention. like figure 1 As shown, the pressurized liquefied hydrocarbon loading and unloading residual liquid recovery system provided by the present invention includes: an absorption device 1, the absorption device 1 is connected with the pipeline between the crane pipe end ball valve and the tanker end ball valve, and may include: an absorption unit 10, for providing a gasification environment for the liquefied hydrocarbons in the pipeline, and absorbing the gasified hydrocarbons;...

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Abstract

The invention relates to the safety field of hazardous chemicals loading and unloading operations, and discloses a pressurized liquefied hydrocarbon loading and unloading raffinate recovery system and recovery method. environment, and absorb gasified hydrocarbons; a pressure monitoring unit for monitoring the pressure in the absorption unit; a pressurizing device for pressurizing the gasified hydrocarbons in the absorption unit to liquefy the gasified hydrocarbons; a control device , for controlling the pressurization device to pressurize the gasified hydrocarbons in the absorption unit when it is determined to be higher than a certain preset value according to the monitored pressure in the absorption unit; and a storage device for storing recovered liquefied hydrocarbons . The invention can realize the safe and effective recovery of the liquefied hydrocarbon raffinate in the process of loading and unloading.

Description

technical field [0001] The invention relates to the safety field of hazardous chemical loading and unloading operations, in particular to a pressurized liquefied hydrocarbon loading and unloading residual liquid recovery system and a recovery method. Background technique [0002] As an important chemical raw material, liquefied hydrocarbons can be cracked to produce ethylene, propylene, butene, and can also be used as fuel. The main transportation method is truck transportation. When the liquefied hydrocarbon tanker is loaded and unloaded, the loading and unloading crane pipe and the liquefied hydrocarbon transport tanker are connected together by quick connection joints. Among them, the DN50 quick joint is used to transport the liquid phase medium, and the DN25 quick joint is used to transport the gas phase medium. During the loading operation, the liquefied hydrocarbons in the storage tank are transported to the tanker through the pipeline by using the external pump to pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17C6/00F17C13/00F17C13/02
CPCF17C6/00F17C13/00F17C13/025F17C2221/032
Inventor 蒲鹤刘全桢张玉平李亮亮李义鹏高鑫陶彬
Owner CHINA PETROLEUM & CHEM CORP
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