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Simulation method and system of oil product storage tank

A technology for simulating systems and storage tanks, which is applied in the field of simulation and systems for oil storage tanks, and can solve problems such as a large amount of sediment in the oil system, filter clogging, and stratification

Active Publication Date: 2013-12-04
PETROCHINA CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, sea transportation is one of the main methods of oil transportation in my country and even the world, and oil products, especially fuel oil with poor stability, are prone to sedimentation and stratification during sea transportation. When using fuel oil, it is easy to cause a large amount of sediment in the oil circuit system, forming sludge, clogging the filter and even causing adverse effects such as combustion failure.

Method used

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  • Simulation method and system of oil product storage tank
  • Simulation method and system of oil product storage tank
  • Simulation method and system of oil product storage tank

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Hydrogen-donating thermal cracking produced oil is obtained after hydrogen-donating thermal cracking of certain residual oil, and synthetic crude oil is obtained after blending. The synthetic crude oil is used as a test oil sample. After the oil sample is stirred evenly by the stirring device, it is injected into the pipe string through the connection port at the bottom of the pipe string. The vent valve at the top of the column is pre-opened, and all other sampling valves are closed to avoid oil leakage. After installing the column, fill the internal nitrogen pressure of the column to 0.2MPa (G), take samples once every 3 days within one month, and once every 7 days after one month, and measure the viscosity and spot test of each oil sample.

[0018] The height of this pipe string is 18m, and there are three sampling ports, upper, middle, and lower. Taking the upper and middle sampling ports as an example, the measured property data are shown in Table 2 and Table 3 bel...

Embodiment 2

[0026] Blend gasoline and diesel oil fractions obtained from visbreaking into synthetic crude oil. After the oil sample is mixed evenly by the stirring device, it is injected into the column through the connection port at the bottom of the column. The vent valve at the top of the column is pre-opened, and all other sampling valves are closed to avoid oil leakage. After installing the column, take samples once every 3 days within one month, and once every 7 days after one month, and measure the viscosity and spot test of each oil sample.

[0027] The height of the pipe string is 3m, and there are three sampling ports, upper, middle and lower. Taking the sampling port at the bottom of the pipe string as an example, the measured property data are shown in Table 4 below:

[0028] Table 4 Analysis table of properties of oil samples at the bottom of the column

[0029]

[0030]

[0031] The analysis of the above properties shows that with the increase of storage time, we can ...

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Abstract

The present invention relates to a simulation method and a system of an oil product storage tank. According to the system, a stirrer is arranged inside a blending tank, a material outlet is arranged on the bottom of the blending tank, a reflux pipeline is provided for communicating the material outlet of the blending tank and the upper portion of the blending tank through a pipeline, a material inlet pump is connected with the material outlet of the blending tank through a pipeline, and is connected with the bottom of an oil storage pipe column through a stop valve at the pipe column bottom, 1-4 segments of pipe columns are connected in series to form the oil storage pipe column, a pipe column thermal insulation casing is arranged outside the pipe column body, the pipe column body is provided with a thermometer, the top of the upper segment pipe column is provided with an air release valve at the top of the pipe column, an air injection valve at the top of the pipe column and a pressure gauge, each segment of the pipe column is provided with an upper sampling opening segment, a middle sampling opening segment, and a lower sampling opening segment, and the sampling openings of every sampling opening segment are uniformly distributed along the axis direction of the pipe column body. With the simulation system, storage stability of the oil product during a shipping process can be really simulated.

Description

technical field [0001] The invention relates to a method and system for simulating an oil storage tank, in particular to a method and a system for simulating the storage stability of oil during actual shipping. Background technique [0002] At present, sea transportation is one of the main methods of oil transportation in my country and even the world, and oil products, especially fuel oil with poor stability, are prone to sedimentation and stratification during sea transportation. When using fuel oil, it is easy to cause a large amount of sediment in the oil circuit system, forming sludge, clogging the filter and even causing adverse effects such as combustion failure. Contents of the invention [0003] The object of the present invention is to provide a method and system for simulating an oil storage tank to simulate the storage stability of the oil during shipping. [0004] A simulation system of an oil storage tank according to the present invention is composed of a st...

Claims

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Application Information

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IPC IPC(8): G01N33/28G01N11/00
Inventor 郭爱军王宗贤陈坤沐宝泉刘东杨普江王齐庄士成蔺爱国付兴国侯经纬张艳梅刘银东
Owner PETROCHINA CO LTD