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A method of producing gasoline by fractional distillation of crude oil

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

Inactive Publication Date: 2021-01-05
广德正元蔬果家庭农场
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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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  • A method of producing gasoline by fractional distillation of crude oil
  • A method of producing gasoline by fractional distillation of crude oil
  • A method of producing gasoline by fractional distillation of crude oil

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Embodiment Construction

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

[0027]Such asfigure 1 versusfigure 2 As shown, the method for preparing gasoline by fractionating crude oil according to the present invention includes the following steps:

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

[0029]S2: After dehydration in S1, the crude oil is heated to 220℃-250℃ in the initial distillation tower, 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, and specifically is a method for preparing gasoline by fractionating crude oil.Background technique[0002]The English name of gasoline is Gasoline (US) / Petrol (English). It is a transparent liquid, flammable, and has a distillation range of 30°C to 220°C. The main components are C5-C12 aliphatic hydrocarbons and cycloalkanes, and a certain amount of aromatic hydrocarbons. Gasoline has a high 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 different gasoline components such as straight-run gasoline components, catalytic cracking gasoline components, and catalytically reforming gasoline components obtained from petroleum refining and blending with high-octane components. It is mainly used for automobile ignition The fuel for an internal combustion engine. Straight...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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