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A system and method for treating heavy oil and super heavy oil chemical sewage

A technology for chemical sewage and ultra-heavy oil, applied in chemical instruments and methods, mining wastewater treatment, water/sewage multi-stage treatment, etc., can solve problems such as high water quality requirements for influent water and failure to meet water quality requirements for drum boilers, etc. Achieve a wide range of water quality effects

Inactive Publication Date: 2018-10-19
钱孝德
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  • Description
  • Claims
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Problems solved by technology

Only changing to a drum boiler can effectively improve the dryness of the steam and produce steam with a certain degree of superheat that meets the needs of steam injection in deep wells. However, the drum boiler has high requirements on the quality of the influent water, and the above-mentioned advanced sewage treatment technology cannot meet the requirements of the steam drum. Furnace Water Quality Requirements

Method used

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  • A system and method for treating heavy oil and super heavy oil chemical sewage
  • A system and method for treating heavy oil and super heavy oil chemical sewage
  • A system and method for treating heavy oil and super heavy oil chemical sewage

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Embodiment Construction

[0028] In order to make the above objects, features and advantages of the present invention more obvious and comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0029] In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. By analogy, the present invention is therefore not limited to the specific examples disclosed below.

[0030] Second, "one embodiment" or "an embodiment" referred to herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. "In one embodiment" appearing in different places in this specification does not all refer to ...

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Abstract

The invention discloses a thickened oil and super heavy oil chemical sewage treatment system and method. The thickened oil and super heavy oil chemical sewage treatment system comprises a pretreatment unit and a steam compression unit, wherein the pretreatment unit comprises a precipitation device and a preheating device; solid substances and a part of suspended substances in super heavy oil sewage are precipitated by the precipitation device; the precipitation device is connected with the preheating device so as to preheat and raise the temperature of sewage after precipitation treatment; the steam compression unit comprises an evaporation device and a compression device; sewage treated by the pretreatment unit is fed into the evaporation device for evaporation and concentration; the generated steam passes the compression device and is further fed into the evaporation device for heat exchange evaporation. The thickened oil and super heavy oil chemical sewage treatment system and method can be applicable to a wide raw water quality, and the effects of high quality and high efficiency and the purposes of energy conservation and consumption reduction can be achieved.

Description

technical field [0001] The invention relates to the technical field of advanced sewage treatment, in particular to a system and method for treating heavy oil and ultra-heavy oil chemical sewage. Background technique [0002] Steam Assisted Gravity Drainage (SAGD) is a cutting-edge technology developed in recent years for the development of super heavy oil, which can greatly improve oil recovery and play a decisive role in the stable production of oil fields. The mechanism is that steam is injected into the steam injection well, and the steam overlaps upwards in the formation to form a steam chamber, which expands upwards and sideways, and exchanges heat with the crude oil in the oil layer. The heated crude oil and steam condensate rely on their respective gravity It is produced by draining into the horizontal production well, and this process can greatly increase the recovery rate of the oil field. The scale of ultra-heavy oil production in the oil field is large, and the s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/10C02F103/10
Inventor 钱孝德陈德珍王宝龙刘坚栋单莉萍
Owner 钱孝德
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