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Method for preparing gasoline by virtue of crude oil fractionation

A crude oil and gasoline technology, applied in the petroleum industry, processing hydrocarbon oil, hydrocarbon oil treatment products, etc., can solve problems such as low work efficiency, inability to remove water vapor from gasoline, and slow gasoline speed, so as to save time and save the cost of heating up crude oil The time required, the effect of increasing the speed

Inactive Publication Date: 2019-01-01
广德正元蔬果家庭农场
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Straight-run gasoline is obtained by direct fractionation of crude oil, but the existing gasoline fractionation method is slow to produce gasoline, has low work efficiency, and cannot completely remove the water vapor in gasoline

Method used

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  • Method for preparing gasoline by virtue of crude oil fractionation
  • Method for preparing gasoline by virtue of crude oil fractionation
  • Method for preparing gasoline by virtue of crude oil fractionation

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Embodiment Construction

[0026] use Figure 1-Figure 5 The method for producing gasoline by fractional distillation of crude oil according to one embodiment of the present invention will be described as follows.

[0027] Such as figure 1 and figure 2 Shown, a kind of method that utilizes crude oil fractionation to prepare gasoline of the present invention, the method comprises the steps:

[0028] S1: Separate the petroleum gas in the crude oil through the oil-gas separator, and set a heating water bag around the oil-gas separator to preheat the crude oil, shorten the subsequent heating time, and improve the work efficiency. The sand is settled, and finally the water and salt in the crude oil are removed through a 15KV-25KV high-voltage electric field, which ensures that the crude oil is more pure, thereby improving the quality of the gasoline produced;

[0029] S2: After dehydration in S1, put the crude oil in the initial distillation tower and heat it to 220°C-250°C, and distill light gasoline an...

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Abstract

The invention belongs to the technical field of gasoline production, and particularly relates to a method for preparing gasoline by virtue of crude oil fractionation. The method comprises the following steps: separating petroleum gas from crude oil by virtue of an oil-gas separator, arranging a heating water bag on the periphery of the oil-gas separator, precipitating silt in the crude oil by virtue of a settling tank, and finally removing water and salts in the crude oil by virtue of a 15KV to 25KV high voltage electric field; heating the crude oil in a primary fractionation tower to 220 to 250 DEG C, and distilling out light gasoline and water from the top of the tower; transporting the cooled water after being heated by the heating water bag into a steam heating furnace, sending the crude oil into the steam heating furnace to be heated, and fractionating the crude oil by virtue of a normal pressure fractionation tower; transporting the collected gasoline into a heat exchanger by virtue of a liquid inlet pipe of the heat exchanger for petroleum chemical industry, and discharging condensed liquid state gasoline from a liquid outlet pipe; and connecting a water outlet pipe of the heat exchanger for the petroleum chemical industry and the heating water bag on the periphery of the oil-gas separator, and supplying hot water to the heating water bag.

Description

technical field [0001] The invention belongs to the technical field of gasoline production, in particular to a method for preparing gasoline by fractional distillation of crude oil. Background technique [0002] The English name of gasoline is Gasoline (US) / Petrol (British). It is a transparent liquid, flammable, with a distillation range of 30°C to 220°C. The main components are C5-C12 aliphatic hydrocarbons and naphthenes, and a certain amount of aromatic hydrocarbons Gasoline has a higher octane number (anti-knock combustion performance), and is divided into No. 90, No. 93, No. 95, No. 97 and other brands according to the octane number. Gasoline is obtained by refining straight-run gasoline components, catalytically cracked gasoline components, catalytic reformed gasoline components and other gasoline components, which are refined and blended with high-octane components, and are mainly used for automobile ignition. fuel for internal combustion engines. Straight-run gaso...

Claims

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Application Information

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IPC IPC(8): C10G5/06C10G53/02
CPCC10G5/06C10G53/02C10G2400/02
Inventor 韦伟
Owner 广德正元蔬果家庭农场
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