Packing Section Installation With Cradle and Cone Alignment
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Solution Overview
Problem
Existing methods for installing packing sections in gas/liquid separation columns with large diameters and lengths face challenges due to the need for significant push forces and difficulty in centering the sections relative to the input opening, especially when the columns are assembled horizontally, which can lead to deformation and misalignment.
Innovation Solution
A device comprising a cradle and a removable cone is used to assist in the installation process, securing to the casing to support and center the packing sections, allowing for horizontal assembly and reducing the risk of deformation by providing stable support and guidance during insertion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the casing is positioned horizontally for assembly, then the assembly process can be performed in facilities with standard ceiling heights, but significant push forces are required and centering becomes difficult
Solution Approach 1:
A positioning device comprising a cradle and a removable cone is introduced as an intermediary mechanism between the packing section and the casing. The cradle supports the packing section during insertion, while the removable cone inserted into the casing provides receiving guidance and centering. This intermediary device eliminates the need for significant push forces and automatically centers the packing section without requiring vertical assembly facilities.
2Ease of operation
If the casing is positioned horizontally, then standard facility heights can be used, but the packing section becomes misaligned due to gravity
Solution Approach 1:
The positioning device with cradle and removable cone acts as an intermediary that compensates for gravitational effects. The cradle maintains the packing section in the correct horizontal position, while the removable cone in the casing provides receiving guidance that ensures precise centering. This intermediary mechanism eliminates misalignment caused by gravity during horizontal assembly.
3Device complexity
If packing sections are inserted horizontally without assistance, then the process is simple, but deformation of the casing occurs
Solution Approach 1:
The positioning device comprising the cradle and removable cone serves as an intermediary that distributes and controls the insertion forces. The cradle supports the packing section uniformly, preventing localized stress concentrations that would deform the casing. The removable cone provides gradual receiving guidance that evenly distributes forces along the insertion path, maintaining casing stability while enabling horizontal installation.
Data Source
AI summary
A casing having at least one tubular wall extending in a longitudinal direction (L) between two longitudinal ends, and an inner face that participates in delimiting a receptacle for a section of packing, the tubular wall participating in delimiting an input opening at one of its longitudinal ends The casing can also include a device configured to assist installation of a section of packing in the casing, which can include: a cradle which extends in an extension of at least part of the tubular wall from the input opening, in the longitudinal direction, opposite the base wall, the cradle being configured to position the section of packing facing the input opening; a removable cone which is configured to guide the section of packing by centring the section of packing on the input opening, wherein the longitudinal dimension of the cradle is larger than the longitudinal dimension of the removable cone.