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Rapid oil-blending method

A technology for blending and oil products, which is applied in the field of rapid blending methods for oil products, can solve problems such as complex systems, expensive control systems, and many control points, and achieve accurate results

Active Publication Date: 2016-03-16
SHANDONG QINGYISHAN PETROCHEM TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0023] However, the system is complex, there are many control points, online analysis is required, and the cost of the control system is extremely expensive

Method used

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  • Rapid oil-blending method

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specific Embodiment approach

[0042] The specific implementation of the present invention can be carried out in the following order:

[0043] 1. According to the properties of the finished product to be blended, select the appropriate component oil, and calculate the mutual ratio and blending amount of the blending components.

[0044] 2. Adjust the frequency converter / pump, adjust the speed of the pump by adjusting the motor frequency converter, set the flow rate of the main component, PLC calculates the frequency conversion data of the remaining components and additives, adjust the pump by adjusting the motor frequency converter The speed of the sub reaches the calculated rated value.

[0045] 3: When the liquid level in the blending tank rises to 5-10% of the total liquid level, turn on the circulation pump, set the flow rate to 0.5-5 times the feed volume of the blending tank, and start the circulation.

[0046] 4: When the feeding amount of the main component reaches the set value, stop the feeding o...

Embodiment 1

[0049] According to the blending method that the present invention proposes, blend No. 90 unleaded gasoline. First, the catalytic gasoline is set as the main component, and the catalytic gasoline that can meet the blending requirements is stored in the tank (1a). The reformed gasoline is stored in the arrangement tank (1b), the alkylated gasoline is stored in the tank (1c), the MTBE is stored in the tank (1d), the antiknock agent MMT is stored in the additive tank (2a), and the additive tank (2b ) contains antioxidants. The oil adjustment process is as follows:

[0050] 1. According to the properties of the finished product to be blended, select the appropriate component oil, and calculate the mutual ratio and blending amount of the blended components

[0051]2. Set the main flow value of the main component catalytic gasoline, 100 cubic meters per hour, and transmit it to the adjustable proportional controller (6) for calculation. The rotating speed of the pump is adjusted ...

Embodiment 2

[0056] According to the blending method proposed by the present invention, blend -35 low-condensation-point diesel oil. First, the hydrogenated refined diesel oil is set as the main component, and the hydrogenated refined diesel oil that can meet the blending requirements is stored in the tank (1a). Hydrocracked diesel oil is stored in the tank (1b), hydrogenated kerosene is stored in the tank (1c), catalytic diesel oil is stored in the tank (1d), pour point depressant T1804 is stored in the additive tank (2a), additive tank (2b) The diesel lubricity improver K8280C is stored inside.

[0057] The oil adjustment process is as follows:

[0058] 1. According to the properties of the finished product to be blended, select the appropriate components, and calculate the mutual ratio and blending amount of the blended components

[0059] 2. Set the main flow value of the main component hydrogenated refined diesel oil, 250 cubic meters per hour, and transmit it to the adjustable prop...

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Abstract

The invention provides a rapid oil-blending method and a filling system. The whole system comprises a main-component tank, component tanks, additive tanks, a blending / circulating pipeline, component pipelines, additive pipelines, flow meters for components and additives, an adjustable proportion controller, variable-frequency metering pumps, static mixers, a circulating pump, and an oil blending tank. The innovative part of the system is that a blending pipeline and a circulating pipeline of the blending tank are combined into one pipeline. Components and additives are fed into a pipeline continuously; circulation is started once oil in the blending tank is enough for circulation; and continuous feeding of the components and additives are maintained. The pipeline has two functions of pipeline circulation and pipeline blending. Meanwhile, after each component or additive enters the blending pipeline, a static mixer is arranged on the corresponding blending pipeline. According to the instantaneous flow rate of a main component and a preset ratio of oil to additive, filling amounts of other components and additives are adjusted in real time by using the variable-frequency devices.

Description

technical field [0001] The invention provides a method for quickly blending oil products and various oil product additives. More specifically, a method and system for uniformly mixing various oil components and additives through simultaneous operation in pipelines and blending tanks. Background technique [0002] The blending of oil products refers to the uniform mixing of several similar intermediate components and several additives in a certain proportion. In order to produce the production process of petroleum products that fully meet the quality requirements, taking gasoline blending as an example, firstly, the blended gasoline needs to have base oil components, such as 90# gasoline, alkylated gasoline, mixed aromatics, naphtha, etc., physical The properties are very close to gasoline, and can be used as the base oil for blending gasoline; then add various other component oils for blending, and several important indicators such as oil density, distillation range, etc. ...

Claims

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Application Information

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IPC IPC(8): B01F15/04B01F15/02B01F5/06
Inventor 焦现广王艾伍朱光亮信召伟王传栋刘振张凯
Owner SHANDONG QINGYISHAN PETROCHEM TECH CO LTD
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