A kind of oil-water separation method

A technology for oil-water separation and oil-water mixture, which is applied in separation methods, liquid separation, chemical instruments and methods, etc., to achieve the effects of easy control, reduced layout difficulty, and dynamic adjustment.

Active Publication Date: 2015-09-02
SUZHOU YOUDAN INTERNET TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to provide a kind of oil-water separation method, solve the defect of oil-water separation in the aforementioned prior art

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  • A kind of oil-water separation method

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Embodiment Construction

[0017] Do further description below in conjunction with accompanying drawing:

[0018] The oil-water separation part in this embodiment is mainly composed of the coarse separation cyclone 1 and the first to third cyclones. The coarse separation cyclone 1 roughly separates the mixed stock solution of oil and water. Since the overflow is followed by cyclone separation process, so the overflow of the coarse separation cyclone is not that the purer the oil, the better. Considering the fluidity and separability of the overflow, it is preferable that 70%-75% of the oil in the raw liquid enters the overflow item and enters the first Cyclone 3, the rest of the oil, water and most of the heavy impurities enter the underflow and lead to the second cyclone 5. If the purity of the overflow of the rough separation cyclone 1 is only pursued one-sidedly, the oil cannot be swirled because it is too thick. flow separation, and the selected amount of the entire separation system is greatly redu...

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Abstract

The invention discloses an oil-water separation method. An oil-water separating part is used for separating an oil-water mixture into oil and intermediate water, the intermediate water enters a water processing part and is further separated into heavy impurities and water, a coarse separation hydrocyclone of the oil-water separating part is used for separating the oil-water mixture into two branches of light phase and heavy phase, and separated heavy products of the light phase are introduced into the branch of the heavy phase for enrichment, namely the separation efficiency is improved for the light phase, and the separation precision is improved for the heavy phase; for the light phase, although the separation precision is sacrificed, a part of oil runs out from the bottom flow of a first hydrocyclone, only the first hydrocyclone is used in the whole separation process of the light phase, and other hydrocyclones are not used for recleaning and return separation, and thus the separation of the light phase is extremely simple and easy to control; however, for the heavy phase, the adjustability of closed-loop return separation consisting of a second hydrocyclone and a third hydrocyclone can overcome the oil leakage defect of the light phase, and all separation errors are solved in closed-loop return separation.

Description

technical field [0001] The application relates to an oil-water separation method, in particular to a method for oil-water separation using a gravity separation device. Background technique [0002] Cyclone is a conventional equipment in oil-water separation, which has the advantages of low energy consumption and easy operation. At present, there are mainly two types of typical cyclone oil-water separation. One is that the cyclone discharges oil and water as a light item from the overflow port, and the heavy impurities are discharged from the underflow, and the light item is further separated from oil and water. The disadvantage of this kind of separation is that in the actual sorting, because the oil is worried about running out from the bottom flow, the discharge accuracy of the heavy impurities is reduced, and a part of the heavy impurities is not sufficiently centrifuged and enters the overflow port. Oil-water separation precision equipment is very damaged, and this type...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D17/038
Inventor 吴超
Owner SUZHOU YOUDAN INTERNET TECH CO LTD
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