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Distributor and distillation device with same

A technology of distillation device and distributor, which is applied in the field of distributor and distillation device, can solve problems such as insufficient contact of gas phase components, failure to achieve heat exchange, mass transfer effect, and influence on separation accuracy, so as to avoid channeling, Easy to control and improve the effect of separation accuracy

Inactive Publication Date: 2014-09-24
KYMSON LUOYANG PETROCHEM EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this method, all the raw materials to be separated are sprayed downward from one discharge port, and the liquid droplets are relatively large, which cannot fully contact with the vaporized gas phase components in the stripping section, and cannot achieve better heat exchange and mass transfer effects. Affect the separation accuracy of each component
In addition, there is an elbow at one end of the feed pipeline, and when the feed inlet is blocked, maintenance is very troublesome

Method used

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  • Distributor and distillation device with same
  • Distributor and distillation device with same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Distributor proposed by the present invention, when in use, such as figure 1 , 2 As shown, when the experimental device is tested, the following operations can be performed:

[0037] (1) Before starting work, check the distillation unit comprehensively;

[0038] (2) Distributor 3 is connected with feed line 11 with quick connector 15;

[0039] (3) The raw material oil enters the distributor 3 from the feed line 11, then sprays downwards from a plurality of discharge holes 19, fully contacts with the stripping section 4 and the vaporized gas phase components from the reboiler 16, and performs heat exchange and mass transfer to achieve the purpose of separating light and heavy components;

[0040] (4) When the distributor needs to be replaced, remove the quick connector 15 and take out the distributor 3;

[0041] (5) Insert a new distributor into the distillation column, install it with the discharge port facing down, and connect it with the feed line 11 with a quick ...

Embodiment 2

[0043] A certain oil product is continuously distilled through 3 distillation towers (all equipped with the distributor of the present invention), and 4 fractions are separated. The product is ejected from tower 1 (T1), and the bottom of the tower enters tower 2 (T2) to continue distillation; the product is ejected from tower 2 (T2), and the bottom of the tower enters tower 3 (T3) to continue distillation; both the top and bottom of tower 3 (T3) come out product. The distillation range data of the 4 products are listed in Table 1.

[0044] Table 1 Distillation range of T1 ~ T3 distillation test products

[0045] product number

T1 top

T2 top

T3 top

T3 bottom

Distillate mass, %

temperature, ℃

temperature, ℃

temperature, ℃

temperature, ℃

0.5

128

307

330

399

5

159

328

364

408

10

179

331

369

417

30

247

339

379

427

50

284

345

...

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Abstract

The invention relates to a distributor and a distillation device with the same. The distributor is a stainless steel pipe of which one end is sealed, wherein a plurality of discharge holes are axially and uniformly distributed in the pipe wall of one side of the stainless steel pipe. When the distributor is arranged on the distillation device, openings of the discharge holes are downward, and raw materials are downwards sprayed from the discharge holes, are in contact with light components from a stripping section, upwards flow and enter a rectification section. According to the distributor, the raw materials can be uniformly distributed, and the phenomenon of channeling can be avoided; fresh fed materials fully contact with the light components vaporized in the stripping section, so that the separation accuracy is greatly improved.

Description

technical field [0001] The present invention relates to a distributor for distillation tower feed and a distillation device comprising the distributor, in particular to a rapidly detachable distributor suitable for laboratory distillation tower feed and a distillation device comprising the distributor . Background technique [0002] Distillation process is one of the important processes in petrochemical field, mainly for product separation. The principle is to separate the components by distillation according to the different boiling points of the components in the raw material to be separated. [0003] The raw material is heated to a predetermined temperature (200-300°C, adjusted according to the weight of the raw material oil) and enters the distillation tower. The raw oil is distilled at atmospheric pressure in the distillation tower, with reflux at the top of the tower and a reboiler at the bottom of the tower. The gas phase flows upwards, and the backflowing liquid l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D3/14B01D3/32
Inventor 范合松秦晨晨王晓辉
Owner KYMSON LUOYANG PETROCHEM EQUIP
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