Combined type crude oil electric dewatering high-voltage power source and controlling device thereof

A technology of high-voltage power supply and control device, which is applied in the directions of dehydration/demulsification regulation/control, electric/magnetic dehydration/demulsification, electricity separation of liquid, etc. It can solve the problems of easy collapse of dehydration electric field, large capacity of dehydration power supply, Instability and other issues

Inactive Publication Date: 2009-10-07
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a composite crude oil electric dehydration high-voltage power supply and its control device, which sol

Method used

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  • Combined type crude oil electric dewatering high-voltage power source and controlling device thereof
  • Combined type crude oil electric dewatering high-voltage power source and controlling device thereof
  • Combined type crude oil electric dewatering high-voltage power source and controlling device thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0018] The composite crude oil electric dehydration high-voltage power supply and its control device include: a high-voltage direct current generator 1, a high-voltage pulse generator 2 and a control circuit. The high-voltage direct current generator and the high-voltage pulse generator are respectively connected to the ground terminal 25, so Described high-voltage DC generator is connected with high-voltage switch 3 after being connected in parallel with high-voltage pulse generator, and described high-voltage switch is connected with high-voltage switch driver 5, and described high-voltage switch driver is connected with single-chip microcomputer control board 4, and described single-chip microcomputer control board and The high-voltage divider A6, the current sensor 7 and the measurement display window 9 are connected, the high-voltage divider A, the current sensor are connected with the high-voltage switch, and the high-voltage switch output is connected to the dehydration c...

Embodiment 2

[0020] The composite crude oil electric dehydration high-voltage power supply and its control device include: a high-voltage direct current generator 1, a high-voltage pulse generator 2 and a control circuit. The high-voltage direct current generator and the high-voltage pulse generator are respectively connected to the ground terminal 25, so Described high-voltage DC generator is connected with high-voltage switch 3 after being connected in parallel with high-voltage pulse generator, and described high-voltage switch is connected with high-voltage switch driver 5, and described high-voltage switch driver is connected with single-chip microcomputer control board 4, and described single-chip microcomputer control board and The high-voltage divider A6, the current sensor 7 and the measurement display window 9 are connected, the high-voltage divider A, the current sensor are connected with the high-voltage switch, and the high-voltage switch output is connected to the dehydration c...

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Abstract

The invention relates to a combined type crude oil electric high-voltage dewatering power source and a controlling device thereof and aims to solve the problems that the prior electric dewatering device has heavy control current, unstable high-voltage electric field, and the like. The combined type crude oil electric dewatering power source and the controlling device thereof comprise a high-voltage direct current generator (1), a high-voltage pulse generator (2) and a control circuit, wherein the high-voltage direct current generator and the high-voltage pulse generator are respectively connected with a grounding terminal (2), and after being connected in parallel, the high-voltage direct current generator and the high-voltage pulse generator are connected with a high-voltage switch (3); the high-voltage switch is connected with a high-voltage switch driver (5) which is connected with a single chip controlling plate (4); the single chip controlling plate is connected with a high-voltage divider A (6), a current sensor (7) and a measurement display window (9); the high-voltage voltage divider A and the current sensor are connected with the high-voltage switch; and the output of thehigh-voltage switch is connected onto a dewatering container (8) through a high-voltage sleeve pipe (10). The invention serves as the power source and the controlling device for dewatering the crude oil.

Description

Technical field: [0001] The invention belongs to crude oil electric dehydration and high voltage and insulation technology, in particular to a composite high voltage power supply for electric crude oil dehydration and a control device thereof. Background technique: [0002] Crude oil dehydration is an important link in the process of crude oil processing. At present, electric and chemical dehydration methods are mostly used in various oil fields. The applied voltage is AC or DC high voltage. The power supply methods generally include AC dehydration, DC dehydration and AC-DC dehydration. As the oil field enters the stage of high water cut production, the tertiary oil recovery technology is widely used in various oil production plants. In the electrical dehydration process of ASP flooding, due to the addition of alkali / surfactant / polymer ternary compound agent, the conductivity and viscosity of crude oil are increased, which makes the dehydration of crude oil more difficult. ...

Claims

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Application Information

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IPC IPC(8): C10G33/02C10G33/08B01D17/06H02M9/02
Inventor 陈庆国魏新劳王永红朱宝森
Owner HARBIN UNIV OF SCI & TECH
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