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Sedimentation type liquid-liquid separator

A liquid-liquid separator and sedimentation technology, applied in the direction of liquid separation, immiscible liquid separation, separation methods, etc., can solve the problem of excessive liquid separation function, it is difficult to fully improve the separation efficiency of inclined passages or settling components, and cannot perform Solve problems such as liquid separation function, achieve the effect of increasing flow rate and promoting uniform mixing ratio

Active Publication Date: 2015-07-01
SUMITOMO CHEM CO LTD
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Problems solved by technology

Then, in the part supplied with a liquid mixture containing a smaller proportion of settling liquid, an excessive liquid separation function may be exhibited
May not exhibit sufficient liquid separation function in the part supplied with liquid mixture containing a large proportion of settled liquid
[0010] As described above, in the techniques of Patent Documents 1 and 2, it is possible to make the flow of the liquid mixture resemble laminar flow to some extent by installing rectification plates or rectification members, but it is difficult to sufficiently improve separation efficiency

Method used

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  • Sedimentation type liquid-liquid separator
  • Sedimentation type liquid-liquid separator
  • Sedimentation type liquid-liquid separator

Examples

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example 1

[0126] Next, when a liquid mixture in which two or more types of liquids having different specific gravity are mixed with each other is separated using a sedimentation type liquid-liquid separator, the flow of the liquid mixture in the liquid passage and the volume of water in the liquid mixture are performed rate numerical simulation.

[0127] to have figure 1 Numerical simulations were performed on the sedimentation type liquid-liquid separator of the present invention (example) and the sedimentation type liquid-liquid separator (comparative example) having the structure of FIG. 4 .

[0128] Calculations are performed according to ANSYS CFX. The calculation conditions are as follows.

[0129] (1) Liquid mixture

[0130] Liquid mixture: including oil (density 900 kg / m 3 and a viscosity of 1.5 cP) and water (with a density of 970 kg / m 3 and a liquid mixture with a viscosity of 0.4 cP).

[0131] Flow rate of liquid mixture: 70 m 3 / h

[0132] Flow ratio: water: oil = 1:2 ...

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Abstract

A sedimentation type liquid- liquid separator (10) that separates a liquid mixture, in which liquids with different specific gravities are mixed with each other while forming an interface therebetween, into respective liquids, the sedimentation type liquid- liquid separator (10) comprising: a main body portion (11) that includes a hollow cylindrical body portion including a liquid path formed therein, an inflow path (14) installed at the front end of the body portion and supplying the liquid mixture to the liquid path of the body portion, and a discharge path (11a, 11b) installed at the rear end of the body portion and discharging a separated liquid from the body portion; a sedimentation member that settles a liquid with a high specific gravity contained in the liquid mixture inside the main body portion; and a rectification member (21) that is installed between the sedimentation member and the inflow path (14) inside the main body portion.

Description

technical field [0001] The invention relates to a sedimentation type liquid-liquid separator. More specifically, the present invention relates to a submerged liquid-liquid separator for separating a liquid mixture in which liquids having different specific gravity such as oil and water mix with each other while forming an interface therebetween into individual liquids. Background technique [0002] Hitherto, as a device that mixes liquids having different specific gravity such as water and oil with each other while separating the liquid mixture at the interface between them into individual liquids, a device that utilizes the difference in specific gravity to carry out sedimentation treatment has been developed (for example, see Patent Document 1 and 2). [0003] Patent Document 1 discloses a suspension separation device, which includes a rectifying plate and an inclined passage assembly, the inclined passage assembly includes an inclined passage inclined relative to the pas...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D17/02
CPCB01D17/0208
Inventor 齐木理奈松井修平岛田直树
Owner SUMITOMO CHEM CO LTD
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