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Updated heavy oil desalting and dewatering device

A dehydration equipment, heavy oil technology, applied in the direction of electricity/magnetic dehydration/demulsification, etc., can solve problems such as failure to meet requirements, inability to transmit electricity for desalination, and failure to fundamentally solve the problem of direct desalination of heavy oil, and achieve applicability Wide, stable quality and stable field strength

Active Publication Date: 2012-03-14
EAST CHINA UNIV OF SCI & TECH +1
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AI Technical Summary

Problems solved by technology

The high-speed electric desalting equipment achieves the goal of using a smaller electric desalting tank and achieving a larger processing capacity. However, due to the structural defects of the high-speed electric desalting equipment, it can only process light crude oil, and the treatment of slightly heavy crude oil contains Salt cannot meet the required technical indicators, let alone handle heavy crude oil, and some devices cannot even send electricity for desalination
In recent years, Howe-Baker Engineers Ltd. of the United States has developed heavy oil electric desalination equipment that can handle relative density of 0.9861g / cm 3 heavy oil, but diluent must be added, which does not fundamentally solve the problem of direct desalination of heavy oil

Method used

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  • Updated heavy oil desalting and dewatering device
  • Updated heavy oil desalting and dewatering device
  • Updated heavy oil desalting and dewatering device

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Embodiment Construction

[0025] in the attached Figure 1-a , 1-b , with Figure 2-a , 2-b , with Figure 3-a , 3-b In , for the convenience of observation, the electric desalination tank 1 is drawn as transparent.

[0026] refer to Figure 1-a , Figure 1-b , and refer to Figure 4-a , 4-b, the desalination and dehydration equipment includes an electric desalination tank 1, an electric desalination transformer 2 installed above the electric desalination tank 1, a high-voltage electricity introduction device 3, an oil inlet main pipe 15, oil inlet branch pipes 16 and 17, and a flow regulating valve 18 . Inside the electric desalination tank 1, a lower electric field 4 is installed. The lower electric field 4 is a combined horizontal electrode (see attached Figure 1-a , 1-b ), can also be a combined vertical electrode (see attached Figure 3-a , 3-b ). In the electric desalination tank 1 , an upper electric field 5 is installed above the lower electric field 4 . The upper electric field 5 ...

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Abstract

The invention discloses an updated heavy oil desalting and dewatering device. The device is composed of an electrical desalting tank, a transformer and a high-voltage electronic joint device, an oil inlet main pipe, oil inlet branched pipes and flow regulating valves, wherein an upper electric field in the electrical desalting tank consists of at least one electric field unit and adopts the multiple electric field distribution technology of single power supply, each electric field unit consists of a drip tray, a live electrode, a grounding electrode, an oil inlet nozzle, a backwashing device and a down pipe; and a fast dewatering and draining device consists of a V-shaped drip tray, a backwashing device and a down pipe, a backwashing nozzle and the bottom surface of the drip tray forms an inclination, the top of the down pipe is connected with the bottom of the drip tray, and the other end is inserted in the water layer of the electrical desalting tank. The field intensity of the upper electric field of the device is optimized, fast dewatering and draining can be ensured, the desalting efficiency is increased; and the updated heavy oil desalting and dewatering device is suitable for the deep desalting and dewatering treatment of crude oil, particularly heavy crude oil, fuel oil and other heavy oil products.

Description

technical field [0001] The present invention relates to heavy oil pretreatment equipment, in particular to an equipment for deep desalination and dehydration treatment of heavy crude oil, fuel oil and other heavy oil products, which can be widely used in petrochemical, oil refining, gas turbine power plants, etc. Enterprise's heavy oil pretreatment. Background technique [0002] With the continuous deepening of crude oil exploitation around the world, the trend of crude oil becoming inferior and heavy becomes more significant. According to the USGS report, among the unexploited oil resources, heavy oil (API≤20°) and extra heavy oil (API≤10°) resources are twice as much as light crude oil resources. From 2000 to 2009, the production and processing volume of heavy oil among all kinds of crude oil in the world has exceeded 13%. With the increasing proportion of heavy oil, the value of the development and utilization of heavy oil is highlighted. The technology development of h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G33/02
Inventor 沈本贤凌昊李泓孙云蒋长胜张大海朱恩荣
Owner EAST CHINA UNIV OF SCI & TECH
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