liquid container

A liquid container and tank technology, which is applied in the field of liquid containers to prevent electrochemical corrosion, can solve the problems of weakening the protective effect of the pressure container and reducing the protective current, and achieves the effects of improving the production and operation efficiency, stabilizing the work, and prolonging the maintenance period.

Active Publication Date: 2021-06-01
PETROCHINA CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The invention provides a liquid container to solve the technical problems of the existing sacrificial anode due to fouling that reduces the protective current and weakens the function of protecting the pressure vessel

Method used

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Embodiment Construction

[0033] At present, in the production of oil and natural gas, pressure vessels are indispensable equipment, especially in the process of oil and natural gas gathering, transportation and processing, in the process of separating oil and gas and removing impurities such as water in oil and gas. A pressure vessel is required. Since the extracted oil and natural gas contain water, sulfide and other corrosive substances, when the pressure vessel is used for processing, the above-mentioned corrosive substances will cause electrochemical corrosion to the inner surface of the pressure vessel, and in severe cases, it will affect Safe use of pressure vessels.

[0034] In the prior art, the method of setting sacrificial anodes in the pressure vessel is usually used to prevent electrochemical corrosion. The principle is to use the corrosive aqueous solution contained in oil and natural gas as an electrolyte, and act on the surface of the sacrificial anode to continuously lose electrons. ,...

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Abstract

The invention provides a liquid container. The liquid container of the present invention comprises: a tank body, which is provided with a liquid inlet and a liquid discharge port; a sacrificial anode, fixedly connected to the inner surface of the tank body through a metal piece; the sacrificial anode is arranged directly above the liquid discharge port, and There is a predetermined distance between the sacrificial anode and the drain port. The liquid container of the present invention suspends the sacrificial anode in the tank, and the sacrificial anode is fixedly connected with the inner surface of the tank body, and there is a predetermined distance between the sacrificial anode and the liquid discharge port. It will flow through the surface of the sacrificial anode and then be discharged from the discharge port, which will generate a certain scouring force on the surface of the sacrificial anode, and the scaling will be washed away continuously, making it impossible to form stable scaling substances on the surface of the sacrificial anode, ensuring that the sacrificial anode can continue , Stable work; and the sacrificial anode does not require frequent maintenance, prolonging the maintenance cycle and improving production efficiency.

Description

technical field [0001] The invention relates to the technical field of anticorrosion of oil tanks, in particular to a liquid container for preventing electrochemical corrosion. Background technique [0002] In the production process of oil and natural gas, pressure vessels are indispensable equipment, especially in the process of separating oil and gas and removing impurities such as water vapor in oil and gas during the gathering, transportation and processing of oil and natural gas. Since the extracted oil and natural gas contain water, sulfide and other corrosive substances, when the pressure vessel is used for processing, the corrosive substances will cause electrochemical corrosion on the inner surface of the pressure vessel, and in severe cases, it will affect the pressure vessel. safe use. [0003] In the prior art, sacrificial anodes are usually installed in the pressure vessel to prevent electrochemical corrosion. The principle is to use the corrosive aqueous solut...

Claims

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Application Information

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IPC IPC(8): B65D90/00B65D90/22
CPCB65D90/00B65D90/22
Inventor 朱昌军张春生谭建华邹凯杨刚韩占方黄锟薛原付江张效东胡超魏红单华张朋岗贾伟周文志刘君臣王钊李建明刘占锋解鲁平刘敏许威李云鹏董雨濛李月昊肖婉蓉王伟朱清东叶云赵洪秋
Owner PETROCHINA CO LTD
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