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Method for storing and/or transporting fluid fuel

A liquid fuel and emulsion technology, applied in the field of storage and transportation, can solve problems such as violent combustion, environmental pollution, explosion, etc., and achieve the effect of improving safety

Inactive Publication Date: 2008-11-05
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to solve the problem that violent combustion and explosion easily occur in a short period of time when liquid fuel reserves, fuel transport vehicles, and shipboard fuel depots are attacked, and it is also aimed at the transportation of crude oil and refined oil at sea. A new method of storing and / or transporting liquid fuels is provided to improve the safety of liquid fuel storage and / or transportation due to the problems of massive oil leakage and environmental pollution due to impacts that occur from time to time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Mix 4 volumes of crude oil and 1 volume of water, add emulsifier span60 whose mass is 4% of water mass, and stir well to form a stable emulsion. Then take 10ml of the emulsion and add it into a transparent sapphire kettle with a magnetic stirring bar. Then put the sapphire kettle into the air bath, connect the pipeline to vacuum, drain the air in the kettle, and then fill it with CO 2 , so that the pressure reaches 4MPa. Start the magnetic stirring and set the temperature of the air bath to 4 °C. With the formation of hydrate, the pressure in the kettle will decrease, and by supplementing CO 2 Keep the pressure substantially constant. After all the water is converted into hydrates, lower the temperature to 0.5°C and the pressure to 1.5Mpa (slightly higher than CO 2 Hydrate balance pressure) to fully release the dissolved gas. Then lower the temperature to about -5°C, and the system will gradually solidify. When the system is completely solidified, reduce the syste...

Embodiment 2

[0022] The crude oil-water mixing volume ratio was adjusted to 5:1, and other conditions and experimental procedures were the same as in Example 1. Hydrate and oil stratification occurred in the system at -5°C, and about 70-80% of the oil was solidified. At this time, a kindling is introduced on the solid surface, but it still does not burn.

Embodiment 3

[0024] The crude oil-water volume ratio was adjusted to 2:1, and other conditions and experimental procedures were the same as in Example 1. The system solidified at 4° C., but was relatively soft. The system hardened after cooling down to -5°C. No dissolution was observed after the pressure was reduced to normal pressure. Introduce kindling on a solid surface without burning.

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PUM

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Abstract

A method for storing and / or transporting liquid fuel includes such steps as adding water to liquid fuel to become emulsion, making it in contact with the flame-retarding gas able to generate hydrate, generating hydrate, and controlling its temp to -1¿D-15 deg.C to partially solidify it. It features that when its temp is accidently raised up, the hydrate is partly decomposed to suck heat for lowering temp while releasing flame-retarding gas, resulting in high safety.

Description

technical field [0001] The invention relates to a method for storing and transporting liquid fuel, with the purpose of improving the storage and transport safety of liquid fuel, and belongs to the technical field of storage and transport. Background technique [0002] As we all know, during the storage and transportation of liquid fuels such as liquefied petroleum gas, gasoline, kerosene, diesel oil, and crude oil, if they are attacked by humans (bombs, fire, etc.) or accidentally hit, they are prone to massive leakage or even violent combustion and explosion. Difficult to develop. Therefore, liquid raw material storage is often a key fire place. It is not uncommon to report accidents of oil tankers being hit at sea, causing a large amount of crude oil to leak, polluting and destroying the marine ecological environment. During wartime, the fuel storage depots and means of transportation of both sides are often the targets of each other's attacks. Once they are hit, the cha...

Claims

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Application Information

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IPC IPC(8): C10L10/00B67D5/04B67D7/04
Inventor 陈光进孙长宇马庆兰王秀林陈立涛
Owner CHINA UNIV OF PETROLEUM (BEIJING)