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Recovery system for liquefied hydrocarbons

A recovery system and technology for liquefied hydrocarbons, applied in pipeline systems, gas/liquid distribution and storage, mechanical equipment, etc., to achieve safe and effective recovery

Active Publication Date: 2022-04-08
CHINA PETROLEUM & CHEM CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a recovery system for liquefied hydrocarbons, which can effectively solve the problem of in-situ discharge of liquefied hydrocarbon residual liquid between the crane pipe end and the tanker end ball valve when the quick joint is separated, and can realize the loading and unloading operation process Safe and effective recovery of liquefied hydrocarbon raffinate in

Method used

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  • Recovery system for liquefied hydrocarbons
  • Recovery system for liquefied hydrocarbons

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Embodiment Construction

[0030] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0031] figure 1 It is a structural diagram of a recovery system for liquefied hydrocarbons provided by an embodiment of the present invention. Such as figure 1 As shown, the recovery system for liquefied hydrocarbons provided by the present invention may include: absorption device 1, which is connected to the pipeline between the ball valve at the end of the crane pipe and the ball valve at the end of the tanker, and may include: an absorption unit 10 , used to provide a gasification environment for the liquefied hydrocarbons in the pipeline, and absorb gasified hydrocarbons; a pressure transmitter 11, used to detect the pressure of the gasified hydrocarbons i...

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Abstract

The invention relates to the safety field of loading and unloading operations of hazardous chemicals, and discloses a recovery system for liquefied hydrocarbons. The recovery system comprises: an absorption device, the absorption device is connected with a pipeline between a ball valve at the crane end and a ball valve at the end of a tanker, comprising: : an absorption unit for providing a gasification environment for the liquefied hydrocarbons in the pipeline and absorbing the gasified hydrocarbons; a pressure transmitter for detecting the pressure of the gasified hydrocarbons in the absorption unit; and a switch unit for For controlling whether to open the absorption unit, the control device is configured to control the switch unit to open when the pressure of the vaporized hydrocarbons in the absorption unit reaches a preset pressure, so as to release the gas in the absorption unit a condensation device for condensing the released gasified hydrocarbons into liquefied hydrocarbons; and a storage device for storing the condensed liquefied hydrocarbons. The invention can realize the safe and effective recovery of the liquefied hydrocarbon residue during the loading and unloading operation.

Description

technical field [0001] The invention relates to the safety field of loading and unloading hazardous chemicals, in particular to a recovery system for liquefied hydrocarbons. Background technique [0002] As an important chemical raw material, liquefied hydrocarbons can be cracked to produce ethylene, propylene, and butene, and can also be used as fuel. The main mode of transportation is tanker trucks. After the liquefied hydrocarbon filling operation is completed, close the ball valves at the crane pipe end and the tank car end, and then separate the liquid phase quick connector between the crane pipe end and the tank car end. However, when separating the quick connector, since the delivery pressure of liquefied hydrocarbon is about 1.6MPa, the pipeline pressure cannot separate the quick connector. At this time, the liquefied hydrocarbon medium between the crane pipe end and the ball valve at the tanker end must be released. [0003] Article 6.4.3 of the "Code for Design an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17D3/01
CPCF17D3/01
Inventor 孙万付蒲鹤刘全桢高鑫陶彬
Owner CHINA PETROLEUM & CHEM CORP
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