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Device and method for crude oil suspended matter removal and oil-water separation coupling

A technology for oil-water separation and suspended solids, which is used in the petroleum industry and the treatment of hydrocarbon oil, and can solve problems such as reduced treatment efficiency.

Active Publication Date: 2020-07-07
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at the problem in the prior art that the processes of crude oil desuspension and oil-water separation affect each other, resulting in a certain degree of reduction in the efficiency of individual treatment, the present invention provides a device and method for coupling crude oil desuspension and oil-water separation, which not only effectively removes In addition to removing suspended solids in crude oil, it also realizes deep separation of oil and water at the same time, improving the processing efficiency

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  • Device and method for crude oil suspended matter removal and oil-water separation coupling
  • Device and method for crude oil suspended matter removal and oil-water separation coupling

Examples

Experimental program
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Effect test

Embodiment 1

[0040] A device coupled with crude oil desuspension and oil-water separation, such as figure 1 As shown, it includes a light phase air flotation removal system 200, an oil-water separation system 100 and a heavy phase air flotation removal system 300 arranged in sequence from top to bottom;

[0041] The oil-water separation system 100 includes an oil-water separation packing layer 101, which is filled with a coalescence separation packing, and its side is provided with a crude oil feed port 102 to be treated; the coalescence separation packing is made of polypropylene and polypropylene fibers at a ratio of 1:2 Proportionally mixed and woven into 8-type filler monomers with dense concave-convex structure, and then assembled into rod-shaped fillers with a length of 5 mm, filled in the oil-water separation filler layer 101 in a free bulk and non-fixed state. The light-phase air flotation removal system 200 includes two-stage light-phase air flotation removal sections, the lower l...

Embodiment 2

[0044] Crude oil desuspension and oil-water separation coupling device, except for the first-stage light-phase air-flotation packing layer 202 and the first-stage heavy-phase air-flotation packing layer 302, the porosity of the packing is 60% to 65%, and the second-stage light-phase air-flotation packing The porosity of the filler in the layer 204 and the secondary heavy-phase air-floating filler layer 304 is 25% to 30%, and other structures and arrangements are the same as in Embodiment 1.

Embodiment 3

[0046] Crude oil desuspension and oil-water separation coupling device, except for the porosity of the first-stage light-phase air-floatable packing layer 202 and the first-stage heavy-phase air-floatable packing layer 302, the porosity of the packing is 65% to 70%, and the second-stage light-phase air-floatable packing layer The porosity of the filler in the layer 204 and the secondary heavy-phase air-floating filler layer 304 is 20% to 25%, and other structures and arrangements are the same as in Embodiment 1.

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Abstract

The invention relates to a device for crude oil suspended matter removal and oil-water separation coupling. The device comprises a light-phase air flotation removal system, an oil-water separation system and a heavy-phase air flotation removal system, which are sequentially arranged from top to bottom and are communicated with one another, the oil-water separation system is filled with coalescenceseparation filler, the light-phase air flotation removal system comprises at least two stages of light-phase air flotation removal sections which are both filled with air flotation filler, and a bubble generator is arranged at the bottom of the light-phase air flotation removal system; the heavy-phase air flotation removal systems have the same structure. By means of the device, suspended matterremoval and oil-water separation of crude oil can be realized. Suspended matter removal and oil-water deep separation in the crude oil are coupled into an integral treatment device, so that the suspended matter removal process and the oil-water separation process are carried out at the same time and promote each other, suspended matter can be efficiently removed, deep oil-water separation is achieved; meanwhile, desalination is achieved, the air floatation filler can be prevented from being blocked or even blocked by suspended matter, and long-period efficient operation is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of petrochemical industry, and specifically relates to a device coupled with crude oil desalination, suspended solids and oil-water separation, and a method for removing suspended solids and separating oil and water using the device. Background technique [0002] In recent years, with the trend of crude oil becoming inferior and heavy, more crude oil contains a certain amount of suspended solids, which brings more problems to crude oil dehydration and desalination, oil-water separation and subsequent processing equipment. The main manifestations are as follows: ( 1) Colloidal suspended matter in crude oil is suspended in flakes in oil products, especially raw oil, which is easy to block flow-through equipment and pipelines, cause scaling of heating equipment, increase system pressure drop, etc.; (2) These colloidal suspensions The substance is not easy to be polarized in the traditional electric desalination...

Claims

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Application Information

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IPC IPC(8): C10G53/00
CPCC10G53/00
Inventor 阮宗琳杨秀娜何佳李经伟金平
Owner CHINA PETROLEUM & CHEM CORP
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