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Filler used for tower and capable of making gas and liquid in rotational flow contact and liquid and liquid in rotational flow contact

A gas-liquid, single-spin technology, applied in chemical/physical/physical-chemical processes, chemical instruments and methods, chemical/physical processes, etc., to achieve the effect of promoting mixing, simple and easy processing and manufacturing, and a wide range of applications

Active Publication Date: 2016-07-20
SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Judging from the existing packing types, there is no packing that can make the fluid swirl.

Method used

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  • Filler used for tower and capable of making gas and liquid in rotational flow contact and liquid and liquid in rotational flow contact
  • Filler used for tower and capable of making gas and liquid in rotational flow contact and liquid and liquid in rotational flow contact
  • Filler used for tower and capable of making gas and liquid in rotational flow contact and liquid and liquid in rotational flow contact

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A new type of metal packing for towers that can make gas-liquid or liquid-liquid swirl contact, using figure 1 , figure 2 In the single blade structure shown, the length of the outer sleeve is 35 mm, the outer diameter is 35 mm, and the wall thickness is 1 mm. The twist blades have a diameter of 33 mm and a length of 35 mm. The twist angle is 180°. The outer sleeve is welded and fixed together with the twisted blades. The stacking number is 19000 pieces / m 3 . Random piles are installed in column equipment. It can be used in atmospheric distillation towers in refineries.

Embodiment 2

[0032] A new type of porcelain packing for towers that can make gas-liquid or liquid-liquid swirl contact, using image 3 , Figure 4 The double blades shown in the same direction structure, the length of the outer sleeve is 25mm, the outer diameter is 25mm, and the wall thickness is 1.5mm. The twist blades have a diameter of 11 mm and a length of 25 mm. The twist angle is 180°. The outer sleeve and the twisted vane are formed by sintering and fixed together. The stacking number is 42000 pieces / m 3 . Random piles are installed in column equipment. It can be used in the absorption tower in the hydrochloric acid process, and the porcelain packing can resist hydrochloric acid corrosion.

Embodiment 3

[0034] A new type of plastic packing for towers that can make gas-liquid or liquid-liquid swirl contact, using Figure 5 , Figure 6 The shown double blade reverse structure, the length of the outer sleeve is 25mm, the outer diameter is 25mm, and the wall thickness is 1.5mm. The twist blades have a diameter of 11 mm and a length of 25 mm. The twist angle is 180°. The outer sleeve and the twisted vanes are fixed together by extrusion. The stacking number is 48500 pieces / m 3 . Random piles are installed in column equipment. It can be used in the absorption tower of ammonia and carbon dioxide in the urea production process.

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Abstract

The invention discloses a filler used for a tower and capable of making gas and liquid in rotational flow contact and liquid and liquid in rotational flow contact and relates to a reaction tower filler. The filler is composed of a round outer sleeve and twisting rotation blades, the twisting rotation blades can be in single rotation, double rotation, three rotation and four rotation, the rotation direction can be left handed or right handed, a twisting rotation angle is 180-270 DEG C, a fluid circulating channel in a common Raschig ring is divided through the twisting rotation blades, gas and liquid flow in a rotational flow mode in the channel because of the twisting rotation effect of the blades, gas and liquid distribution can be improved, the turbulence degree of fluid is enhanced, and interphase mass transfer is facilitated; the gas and liquid contact surface can also be increased through the surfaces of the twisting rotation blades. The novel filler is simple in structure and free of flowing dead angles, effectively eliminates the channeling and wall-flow phenomena of the fluid in the tower, and improves the interphase mass transfer effect. The filler can be applied to tower equipment in various process industries.

Description

technical field [0001] The invention relates to a packing for a reaction tower, in particular to a packing for a tower which can make gas-liquid or liquid-liquid swirl contact. Background technique [0002] Packing is widely used in drying towers, absorption towers, rectification towers, washing towers and regeneration towers in petroleum, chemical, metallurgy, energy and pharmaceutical industries. The packing provides a large contact area for the gas-liquid or liquid-liquid medium in the tower, thereby promoting the transfer of substances between phases. At present, people have developed packings with various structures, such as traditional packings such as Raschig rings, Pall rings and other structured packings. Raschig ring packing is widely used in various tower equipment due to its simple shape and easy manufacture. However, because the structure of the Raschig ring is too simple, there are serious channel flow and wall flow phenomena in the column, which leads to a d...

Claims

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Application Information

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IPC IPC(8): B01J19/30
CPCB01J19/30B01J2219/30223
Inventor 张丽李雅侠张静王翠华张平
Owner SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
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