Multi-parameter subsection optimized novel rotating disc extraction column

A rotary disk extraction tower, multi-parameter technology, applied in solvent extraction, liquid solution solvent extraction, separation methods, etc., to achieve the effects of increasing mixing intensity, suppressing axial back-mixing, and high mass transfer efficiency

Inactive Publication Date: 2017-05-10
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Multi-parameter subsection optimized novel rotating disc extraction column
  • Multi-parameter subsection optimized novel rotating disc extraction column
  • Multi-parameter subsection optimized novel rotating disc extraction column

Examples

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Effect test

Embodiment 1

[0030] see Figure 1-5 , a novel rotary disk extraction tower with multi-parameter subsection optimization, including a tower body 1, a rotating shaft 2, a rotary disk 3, a rotating sieve baffle 4, a liquid distributor 5, a filter layer 6 and a fixed ring 8. The tower body 1 The interior is hollow, the fixing ring 8 is arranged on the inner wall of the tower body 1, the rotating shaft 2 is fixedly installed on the center position of the rotating shaft fixing plate, the rotating shaft 2 fixing plate is fixedly installed in the tower body 1, and the rotating sieve baffle 4 Fixed on the rotating shaft 2, the rotating screen hole baffle plate 4 rotates with the rotating shaft 2; the plane where the rotating screen hole baffle plate 4 is located is consistent with the plane where the fixing ring 8 is located; The rotating sieve baffle 4 is spaced apart, and the diameter of the rotary plate 3 is larger than the diameter of the rotating sieve baffle 4; the rotating sieve baffle 4 rot...

Embodiment 2

[0032] see Figure 1-5, a novel rotary disk extraction tower with multi-parameter subsection optimization, including a tower body 1, a rotating shaft 2, a rotary disk 3, a rotating sieve baffle 4, a liquid distributor 5, a filter layer 6 and a fixed ring 8. The tower body 1 The interior is hollow, the fixing ring 8 is arranged on the inner wall of the tower body 1, the rotating shaft 2 is fixedly installed on the center position of the rotating shaft fixing plate, the rotating shaft 2 fixing plate is fixedly installed in the tower body 1, and the rotating sieve baffle 4 Fixed on the rotating shaft 2, the rotating screen hole baffle plate 4 rotates with the rotating shaft 2; the plane where the rotating screen hole baffle plate 4 is located is consistent with the plane where the fixing ring 8 is located; The rotating sieve baffle 4 is spaced apart, and the diameter of the rotary plate 3 is larger than the diameter of the rotating sieve baffle 4; the rotating sieve baffle 4 rota...

Embodiment 3

[0034] see Figure 1-5 , a novel rotary disk extraction tower with multi-parameter subsection optimization, including a tower body 1, a rotating shaft 2, a rotary disk 3, a rotating sieve baffle 4, a liquid distributor 5, a filter layer 6 and a fixed ring 8. The tower body 1 The interior is hollow, the fixing ring 8 is arranged on the inner wall of the tower body 1, the rotating shaft 2 is fixedly installed on the center position of the rotating shaft fixing plate, the rotating shaft 2 fixing plate is fixedly installed in the tower body 1, and the rotating sieve baffle 4 Fixed on the rotating shaft 2, the rotating screen hole baffle plate 4 rotates with the rotating shaft 2; the plane where the rotating screen hole baffle plate 4 is located is consistent with the plane where the fixing ring 8 is located; The rotating sieve baffle 4 is spaced apart, and the diameter of the rotary plate 3 is larger than the diameter of the rotating sieve baffle 4; the rotating sieve baffle 4 rot...

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Abstract

The invention discloses a multi-parameter subsection optimized novel rotating disc extraction column. The multi-parameter subsection optimized novel rotating disc extraction column comprises a column body, a fixing ring, a rotating shaft, rotating discs, a rotating mesh baffle plate, a distributor and an expanding section with structured packing, wherein the rotating discs, the rotating mesh baffle plate and the structured packing can determine the quantity, the size and surface spraying treatment according to the requirements of a separation process; the rotating mesh baffle plate is arranged between the two rotating discs, is fixed on the rotating shaft, and is positioned on the same horizontal plane with the fixing ring; the ratio of the diameter of the rotating mesh baffle plate to the diameter of each rotating disc is 1 to (0.7 to 1.0); holes arrayed in a concentric circle form are formed in the rotating mesh baffle plate; the diameters of the holes are 10 to 30mm; the sizes of the holes can be uniform in diameter, or the holes are multi-aperture, and the aperture ratio is 25 to 60 percent. According to the multi-parameter subsection optimized novel rotating disc extraction column disclosed by the invention, structural parameters such as the diameters of the rotating discs of the extraction column, the diameter of the rotating mesh baffle plate, the space of the fixing ring and the inner diameter of the fixing ring are adjusted, and the rotating mesh baffle plate with multiple apertures and variable aperture ratio are additionally added, so that the efficiency of the extraction column is effectively improved.

Description

technical field [0001] The invention relates to the technical field of extraction and separation equipment, in particular to a novel rotary disk extraction tower with multi-parameter subsection optimization. Background technique [0002] The rotary disk extraction tower has the characteristics of simple structure, stable operation, large processing capacity, small investment and convenient installation and maintenance, so it has been widely used in petroleum refining and chemical industry. [0003] The rotating disc extraction column has been widely used in the petroleum and chemical industries since its inception in the 1950s. The main factors affecting the mass transfer of the rotating disk extraction column are the residual fraction of dispersed phase and the axial backmixing. When the rotary disk extraction column is industrially scaled up, 75-90% of the column height is used to compensate for the reduction in mass transfer driving force caused by the axial back-mixing ...

Claims

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Application Information

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IPC IPC(8): B01D11/04
CPCB01D11/043
Inventor 王运东费维扬靖宇
Owner TSINGHUA UNIV
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