Residual oil recovery device for port loading arm

The technology of a recovery device and an oil transfer arm is applied in the field of devices, which can solve the problems of economic losses of port oil companies, and achieve the effect of improving the level of automation and reducing economic losses.

Inactive Publication Date: 2015-04-29
SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to ensure safety requirements, a large amount of oil remaining in the pipeline of the oil delivery arm must be emptied after the oil delivery operation is completed. The oil in the inner arm can be recycled to the pipeline or low-level oil tank on the shore by gravity; the oil in the outer arm Oil products had to be discharged into oil-loading ships for free because there was no corresponding recovery device, which caused a lot of economic losses for port oil companies

Method used

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  • Residual oil recovery device for port loading arm
  • Residual oil recovery device for port loading arm
  • Residual oil recovery device for port loading arm

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0016] Such as figure 1 , figure 2 As shown, the present invention includes a liquid suction valve 1, a liquid discharge valve 2, a liquid suction oil port check valve 3, a push rod type check valve 5, a double-piston hydraulic cylinder 4 and a two-position three-way hydraulic control reversing valve 6. , the suction valve 1, the liquid discharge valve 2, the liquid suction oil port check valve 3, the ejector rod check valve 5 and the two-position three-way hydraulic control reversing valve 6 are installed in the cavity opened on the double-piston hydraulic cylinder 4 in and fastened with threads.

[0017] Such as image 3 Shown, hydraulic principle of the present invention and working process are as follows:

[0018] In the figure, line P represents the liquid inlet port of the device; line O represents the liquid return port of the device, line X...

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Abstract

The invention relates to a residual oil recovery device for a port loading arm. The recovery device comprises a double-piston hydraulic cylinder, a two-position three-way hydraulic operated directional valve, two ejector rod type one-way valves and a group of suction and discharge one-way valves, wherein the two-position three-way hydraulic operated directional valve is mounted on the double-piston hydraulic cylinder. Automatic reciprocating movement of piston rods of the double-piston hydraulic cylinder is controlled by the two-position three-way hydraulic operated directional valve and the two ejector rod type one-way valves, and oil is sucked and discharged by the aid of the suction and discharge one-way valves. The device can realize residual oil recovery required by the port loading arm.

Description

technical field [0001] The invention relates to a device for recovering residual oil of a port oil delivery arm, in particular to a device for recovering residual oil in the outer arm of a port oil delivery arm. Background technique [0002] The port oil delivery arm is a special equipment that connects the oil tanker and the shore oil pipeline to complete the oil product delivery. In order to ensure safety requirements, a large amount of oil remaining in the pipeline of the oil delivery arm must be emptied after the oil delivery operation is completed. The oil in the inner arm can be recycled to the shore pipeline or low-level oil tank by gravity; the oil in the outer arm The oil products had to be discharged into the oil-loading ships free of charge because there was no corresponding recovery device, which caused a large amount of economic losses to the port oil company. Contents of the invention [0003] The purpose of the present invention is to provide a residual oil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B67D9/00
Inventor 于玲李恒喜杨影杨洋李世楷
Owner SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
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