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Rectifying-tower multilevel distributer for sassafras oil refinement

A rectifying tower and sassafras oil technology are applied in the field of multi-stage distributors of rectifying towers, which can solve the problem that the crude oil components of sassafras oil cannot be easily separated, etc., so as to increase the number of theoretical plates, improve separation efficiency, The effect of low resistance in the tower

Inactive Publication Date: 2017-02-22
SICHUAN ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the liquid distributor in the prior art cannot meet these requirements, and cannot solve the problem that the components in the crude oil of sassafras oil are not easy to separate when used in the refining of sassafras oil

Method used

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  • Rectifying-tower multilevel distributer for sassafras oil refinement
  • Rectifying-tower multilevel distributer for sassafras oil refinement
  • Rectifying-tower multilevel distributer for sassafras oil refinement

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Experimental program
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Effect test

Embodiment 1

[0023] In the rectifying tower of φ 300mm, sassafras crude oil enters primary distribution plate 2 through feed pipe 1, and the aperture of primary distribution hole 8 on described primary distribution plate 2 is 20mm, and number is 17; Then enter the secondary distribution plate 3, the aperture of the secondary distribution hole 9 on the secondary distribution plate 3 is 10mm, and the number is 52; finally enter the tertiary distribution plate 4, the tertiary distribution plate 4 on the The diameter of the secondary distribution holes 10 is 5 mm, and the number is 141.

[0024] Through the multi-stage distributor of the present embodiment, the uniform distribution of the liquid can be realized, no dead space is left, and the pressure drop is also small, and the crude oil of sassafras oil with a content of 90% can be refined to 99.5%.

Embodiment 2

[0026] This embodiment is the same as Embodiment 1, on the basis of Embodiment 1: the aperture of the primary distribution hole 8 on the described primary distribution plate 2 is 25 mm, and the number is 15; The secondary distribution holes 9 have an aperture diameter of 12 mm, and the number is 48; the secondary distribution holes 10 on the tertiary distribution plate 4 have an aperture diameter of 6 mm, and the number is 128.

[0027] Through the multistage distributor of the present embodiment, the crude oil of sassafras oil with a content of 90% can be refined to 99.2%.

Embodiment 3

[0029] This embodiment is the same as Embodiment 1, on the basis of Embodiment 1: the aperture of the primary distribution hole 8 on the described primary distribution plate 2 is 18 mm, and the number is 19; The secondary distribution holes 9 have an aperture diameter of 8 mm, and the number is 60; the secondary distribution holes 10 on the tertiary distribution plate 4 have an aperture diameter of 4 mm, and the number is 166.

[0030] Through the multi-stage distributor of the present embodiment, the crude oil of sassafras oil with a content of 90% can be refined to 99.3%.

[0031] The distributor of the present invention is a gravity-type liquid distributor, which distributes the liquid by gravity. In order to make the liquid evenly distributed and consider the economy of manufacture, the present invention adopts a primary distribution plate 2 and a secondary distribution plate 3. The third-level distribution plate 4 carries out three-level distribution. The liquid first ent...

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Abstract

The invention discloses a rectifying-tower multilevel distributer for sassafras oil refinement. The rectifying-tower multilevel distributer comprises a primary distribution plate, a secondary distribution plate, a tertiary distribution plate and a support frame. The secondary distribution plate is positioned between the primary distribution plate and the tertiary distribution plate. The primary distribution plate, the secondary distribution plate and the tertiary distribution plate are connected through the support frame. A plurality of primary distribution holes are formed in the primary distribution plate. A plurality of secondary distribution holes are formed in the secondary distribution plate. A plurality of tertiary distribution holes are formed in the tertiary distribution plate. The diameters of the primary distribution holes, the secondary distribution holes and the tertiary distribution holes are reduced level by level. The rectifying-tower multilevel distributer has the advantages that uniform liquid distribution can be realized effectively; the resistance and the pressure drop in a rectifying tower are low, gas-liquid exchange of filling in the tower is normal, disconnection and dead corners are avoided, the number of theoretical plates is increased to the largest extent, separation efficiency is improved, and the purity of safrole reaches above 99%.

Description

technical field [0001] The invention relates to a rectifying tower distributor, in particular to a rectifying tower multistage distributor used for refining sassafras oil. Background technique [0002] The liquid distributor is the most important part of the packed column. The operating elasticity of the packed bed often depends on the operating elasticity of its liquid distributor. Therefore, the design of the liquid distributor is the core of the rectification column design. The mass transfer process of the distillation column requires that the gas and liquid two-phase fluids can be evenly distributed on any cross-section in the column, so as to achieve close contact and high-efficiency mass transfer, and the initial distribution of the liquid is very important. A good distributor should have the advantages of uniform liquid distribution, large free cross-section for gas passage, small resistance, high operating flexibility, not easy to block, not easy to cause mist entrai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D3/32
CPCB01D3/32
Inventor 莫开林费世民徐明杨学兵吴斌付卓锐杨凌
Owner SICHUAN ACAD OF FORESTRY
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