Oil-water separation system

A technology for oil-water separation and oil-water mixture, which is used in liquid separation, separation methods, and multi-stage water/sewage treatment to achieve the effects of improving sorting efficiency, simple sorting, and easy control.

Active Publication Date: 2014-06-25
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 purpose of the present invention is to provide an oil-water separation system to solve the aforementioned defects of oil-water separation in the prior art

Method used

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  • Oil-water separation system

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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 system. The oil-water separation system is provided with an oil-water separation part and a water treatment part, wherein an oil-water mixture is separated by the oil-water separation part to obtain oil and intermediate water, the intermediate water enters the water treatment part to be further separated into heavy impurities and water, a rough separation cyclone of the oil-water separation part is used for separating the oil-water mixture into a light phase branch and a heavy phase branch, a heavy product separated from the light phase is guided to the heavy phase branch to be concentrated, so that the sorting efficiency is improved relative to the light phase; the sorting precision is improved for the heavy phase; for the light phase, although the sorting precision is sacrificed, a part of oil flows out from the bottom stream of a first cyclone, but only the first cyclone is used in the entire sorting process of the light phase, no other cyclones are used for resorting and back sorting the light phase, so that the light phase can be sorted very simply and the sorting process of the light phase is easy to control; for the heavy phase, the adjustability of a closed-loop back sorting consisting of a second cyclone and a third cyclone can overcome the oil leakage defect of the light phase, and all the sorting errors are solved in the closed-loop back sorting.

Description

technical field [0001] The present application relates to an oil-water separation system, in particular to a system 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 t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D17/038B01D17/035B01D17/025C02F9/02
Inventor 吴超
Owner SUZHOU YOUDAN INTERNET TECH CO LTD
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