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Modular installation method and device for catalytic rectification structured packing

A technology of structured packing and catalytic distillation, which is applied in chemical instruments and methods, fractionation, chemical/physical processes, etc., can solve problems such as troublesome loading and unloading, and achieve the effects of simple assembly, improved installation accuracy and efficiency, and strong adaptability

Active Publication Date: 2019-01-01
CHINA CONSTR IND & ENERGY ENG GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This placement method has a good mass transfer effect, but it is troublesome to load and unload

Method used

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  • Modular installation method and device for catalytic rectification structured packing
  • Modular installation method and device for catalytic rectification structured packing
  • Modular installation method and device for catalytic rectification structured packing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: A modular installation device for catalytic rectification structured packing, comprising a tower body, a packing support ring and a catalytic rectification structured packing tray 1, the packing support ring is installed in the tower body, and the catalytic rectification The structured packing tray 1 is installed on the packing support ring, and the catalytic rectification structured packing tray 1 includes several parallel areas, and the several parallel areas are divided into a single module installation area 2 and a multi-module installation area 3, the The single module installation area 2 is the parallel area at the two ends of the catalytic rectification structured packing tray 1, and the multi-module installation area 3 is the parallel area between the single module installation area 2; the single module installation area 1 and The multi-module installation area 3 is composed of packing modules, and the single-module installation area 2 is composed o...

Embodiment 2

[0036] Embodiment 2: The device structure and installation method in this embodiment are the same as in Embodiment 1, the difference is that in this embodiment, the circular installation area is divided into 10 parallel areas, the two ends are single module installation areas, and the middle 8 The parallel areas are all multi-module installation areas. Each parallel area in the multi-module installation area is divided into 6 sub-areas, which are divided into 50 sub-areas in total, and are numbered sequentially. Use radio frequency identification codes in each sub-area to locate and install The packing module is installed in the installation sequence from one end to the other end in the multi-module installation area; the upper catalytic rectification structured packing tray rotates 60° in the same direction relative to the lower catalytic rectification structured packing tray;

[0037] In this embodiment, the module units are assembled according to the assembly method of 3 lay...

Embodiment 3

[0038] Embodiment 3: The device structure and installation method in this embodiment are the same as in Embodiment 1, the difference is that in this embodiment, the circular installation area is divided into 3 parallel areas, the two ends are single module installation areas, and the middle The parallel area is a multi-module installation area. The middle parallel area is divided into 2 sub-areas, which are divided into 4 sub-areas and numbered in sequence. In each sub-area, use the radio frequency identification code to locate and install the filler module. In the multi-module In the installation area, the packing modules are installed in the installation order from one end to the other end; the upper catalytic rectification structured packing tray is rotated 15° in the same direction relative to the lower catalytic rectification structured packing tray;

[0039] In this embodiment, the module units are assembled according to the assembly method of 2 layers of windowed packing...

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PUM

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Abstract

The invention discloses a novel catalytic distillation structured packing modular mounting method and device. The device comprises a column body, a packing support ring and a catalytic distillation structured packing column tray, wherein the catalytic distillation structured packing column tray comprises a plurality of parallel areas which are divided into single-module mounting areas and multi-module mounting areas, and the single-module mounting areas and the multi-module mounting areas are formed by mounting packing modules; each packing module consists of a plurality of module units, each module unit consists of a catalyst module and a windowed packing sheet, which are alternately arranged, each catalyst module comprises a catalyst and a module bag, and the module bags are formed by welding the windowed packing sheets and screen meshes, and are filled with the catalysts. According to the method and the device, the creative concept of modular mounting is disclosed, and compared with a conventional step-by-step construction mounting manner, the method has the advantages that the gas-liquid mass and heat transfer efficiency of a material system in a column is improved on one hand, and on the other hand, the construction period is shortened, and the mounting efficiency is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of catalytic rectification in the chemical industry, and in particular relates to a modular installation method and device for catalytic rectification structured packing. Background technique [0002] Catalytic distillation organically combines catalytic reaction and rectification separation, and has unique advantages compared with the traditional process of reaction and rectification alone. In order to meet the basic requirements of reaction and rectification, the loading and installation of the catalyst in the tower must meet the following conditions: (1) The catalyst bed in the reaction section has enough free space to provide a flow channel for the liquid phase to carry out the liquid phase. Reaction and gas-liquid mass transfer; these effective spaces should achieve the separation effect of general packing and the pressure drop of the tray allowed by the design. (2) have sufficient surface area for cat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D3/14B01J8/02
CPCB01D3/14B01J8/0015B01J8/02B01J2208/0061B01J2208/00752B01J2208/00769
Inventor 黄益平岳昌海秦凤祥周俊超刘辉陆晓咏刘春江徐义明李凭力
Owner CHINA CONSTR IND & ENERGY ENG GRP CO LTD