Check patentability & draft patents in minutes with Patsnap Eureka AI!

Embedded type wall flow redistributor applied to structured packing towers

A redistributor, structured packing technology, applied in chemical instruments and methods, chemical/physical/physical chemical processes, chemical/physical processes, etc. It can improve the uniformity, improve the separation efficiency, and reduce the effect of wall flow effect.

Active Publication Date: 2015-03-04
CHINA CONSTR IND & ENERGY ENG GRP CO LTD +1
View PDF10 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In 2000, the start-up cost of a packed tower for the production of ethylbenzene was high and the separation efficiency was low. The reason was that the tower wall flow was not well treated.
At present, the existing patents mainly introduce the wall flow liquid directly into the packing near the wall, or reduce the wall flow by changing the packing structure, and fail to achieve the overall redistribution of the wall flow liquid.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Embedded type wall flow redistributor applied to structured packing towers
  • Embedded type wall flow redistributor applied to structured packing towers
  • Embedded type wall flow redistributor applied to structured packing towers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] For a structured packing tower with an inner diameter of 4 meters, the outer diameter of the upper part of the wall flow deflector is 4 meters, and the outer diameter of the lower part is 3.95 meters, which are welded in the tower body. The overall wall flow distributor adopts a three-layer liquid tank structure and is made of 304 stainless steel with a thickness of 2mm. The outer wall diameter of the outer ring liquid tank is 3.98 meters, the inner wall diameter is 3.8 meters, the outer wall height is 0.3 meters, the inner wall height is 0.2 meters, the average opening height of the inner wall is 0.05 meters, and the width is 0.01 meters. The opening ratio is 0.5. The height difference between the bottom of the outer ring liquid tank and the bottom of the wall flow deflector is 0.3 meters. The outer ring guide tube adopts 4 pipes with a diameter of 100mm, which are evenly arranged. The diameter of the outer wall of the middle liquid tank is 2.1 meters, the diameter of...

Embodiment 2

[0045] Embodiment 2 is only expressed for the situation of the multi-layer intermediate liquid tank, as Figure 5 shown.

[0046] For a structured packing tower with a tower diameter of 6 meters, the outer diameter of the upper part of the wall flow deflector is 6 meters, and the outer diameter of the lower part is 5.95 meters, which are welded in the tower body. The overall wall flow distributor adopts a four-layer liquid tank structure and is made of 304 stainless steel with a thickness of 2mm. The outer wall diameter of the outer ring liquid tank is 5.98 meters, the inner wall diameter is 5.8 meters, the outer wall height is 0.3 meters, the inner wall height is 0.2 meters, the average opening height of the inner wall is 0.05 meters, and the width is 0.01 meters. The opening ratio is 0.5. The height difference between the bottom of the outer ring liquid tank and the bottom of the wall flow deflector is 0.3 meters. The outer ring guide tube adopts 4 pipes with a diameter of...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to an embedded type wall flow redistributor applied to structured packing towers. The embedded type wall flow redistributor comprises a wall flow guide plate, an outer ring liquid trough, outer ring flow guide pipes, a middle liquid trough, inner ring flow guide pipes and an inner ring liquid trough, wherein the wall flow guide plate, the outer ring liquid trough, the middle liquid trough and the inner ring liquid trough are ring-shaped and are coaxial; the heights of the bottom surfaces are sequentially lowered; two ends of each of the outer ring flow guide pipes and the inner ring flow guide pipes are respectively connected with the liquid troughs at two sides; the central line of the flow guide pipes is misaligned with the diameter and diameter extension ling of any liquid trough. By virtue of the action of the embedded type wall flow redistributor, the wall flow liquid is redistributed to the structured packing; meanwhile, by virtue of the rotary flowing, the whole liquid is mixed and redistributed; the separation efficiency is improved; the embedded type wall flow redistributor can be applied to the structured packing towers in the fields such as chemical industry, space division, and is simple in structure and convenient to manufacture and mount.

Description

technical field [0001] The invention relates to an embedded wall flow redistributor of a structured packing tower, specifically, a wall flow collecting and redistributing device which can be embedded in a structured packing and invented for the wall flow problem commonly existing in a packed tower , which belongs to the technical field of packed tower internals in the field of air separation and chemical separation. Background technique [0002] Due to its large production capacity, high separation efficiency, small pressure drop, small liquid holdup, and large operating flexibility, the structured packing column has been widely used in the fields of air separation and chemical separation. However, it also has some disadvantages, such as relatively high cost, inability to effectively wet the packing surface at low spray density, easy clogging and not suitable for high-viscosity fluids, and wall flow effect affecting separation efficiency, etc., resulting in certain restricti...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/32
CPCB01J19/32
Inventor 徐义明刘辉黄益平李旭东孙玉玉陆晓咏刘春江
Owner CHINA CONSTR IND & ENERGY ENG GRP CO LTD
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com