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Aged sump oil treatment process

A technology for processing and aging oil, applied in the direction of multi-stage series refining process treatment, etc., can solve the problems of unstable operation of electric desalination, poor technical adaptability, increased power consumption, etc., to eradicate safety and environmental hidden dangers, and easy to operate. , the effect of reducing stress

Inactive Publication Date: 2016-09-21
天博蓝创(天津)科技有限公司
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Problems solved by technology

However, in the process of back-mixing treatment, it is easy to form an oil-water transition layer with a high degree of emulsification, which makes the operation of the electric desalination device unstable, and even trips, the current is super high, and the power consumption increases.
The research on the separate treatment process of aging oil mainly focuses on thermal gravity sedimentation, centrifugal separation, ultrasonic treatment and biological treatment, but these technologies have a significant effect on specific crude oil. poor adaptability

Method used

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Embodiment Construction

[0020] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0021] Such as figure 1 Shown, a kind of aging waste oil treatment process, this treatment process step comprises the following steps:

[0022] 1) Pretreatment of aged slop oil: Use the oil transfer pump to transport the aged slop oil in the oil collection tank to the pretreatment unit, heat the aged slop oil to 60~90°C with steam in the pretreatment unit, add the same temperature The amount of hot water and demulsifier, the amount of hot water is 1~3 times that of aging oil, and the amount of demulsifier is 10~50ppm. And use a mechanical stirrer to fully stir and mix; the fully mixed oil-water mixture is ultrasonically treated, and the solid impurities, heavy metal ions, polymer compounds and The free water is separated from the aged oil, and the...

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Abstract

The invention relates to an oil treatment process, in particular to an aged sump oil treatment process. According to the technique of the process, aged sump oil is mainly treated with the combination of techniques of ultrasonic wave hot water washing, chemical thermal treatment, supergravity separation and an MVR negative pressure dehydration technique, so that the applicability of the techniques can be improved, the equipment treatment capacity can be improved, and the energy consumption can be reduced. The deep aged sump oil treatment technique is simple in process, good in applicability, low in energy consumption and convenient to operate, various types of aged sump oil can be treated, hidden safety and environment hazards caused by aged sump oil can be reduced, normal production of production devices of oil fields and oil refineries can be ensured, and meanwhile the aged sump oil can be recycled and reused, so that remarkable economic, environment and social benefits can be achieved.

Description

technical field [0001] The invention relates to a process for treating dirty oil, in particular to a process for treating aged dirty oil. Background technique [0002] Crude oil that is difficult to handle with existing technical means is usually called aged dirty oil, including a considerable amount of dirty oil formed by oily sewage through sewage settling tanks, oil removal tanks, flotation tanks, etc. during oil field production; Waste oil; the oil-water transition layer in the dehydrator; the oil-water emulsion and ground oil formed during drilling, operation and crude oil transportation, and the emulsified crude oil with various chemical agents recovered from the sewage accident pool of the refinery and sewage treatment equipment, Emulsion liquid discharged from crude oil processing unit and tank bottom oil, etc. [0003] Due to the complex composition of aged dirty oil, it contains many mechanical impurities such as clay with strong conductivity and FeS. These subst...

Claims

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Application Information

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IPC IPC(8): C10G53/02
CPCC10G53/02
Inventor 李兵兵
Owner 天博蓝创(天津)科技有限公司
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