Angled Demister Sections for Compact Vessel Height
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Solution Overview
Problem
Existing gas-liquid separation devices require larger vessel heights due to the need for demisters to be positioned far from the fluid inlet, which increases the vessel size, and are limited by their cross-sectional area, hindering space and material efficiency.
Innovation Solution
A demister design that includes sections oriented at angles between 5° and 85° with respect to horizontal, exceeding the vessel's cross-sectional area, allowing for a more compact configuration by positioning the demister closer to the fluid inlet, with a height that exceeds its width and a tangential fluid inlet to enhance separation efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the demister is positioned far from the fluid inlet to allow fluid expansion and dispersion, then the fluid uniformity is improved, but the vessel height increases
Solution Approach 1:
The demister is reoriented from a horizontal configuration to a vertical configuration, changing the dimension in which the demisting surface area is developed. This vertical orientation allows the demister to extend in the height direction rather than the radial direction, enabling closer positioning to the inlet while maintaining sufficient demisting surface area for fluid uniformity
2Area of stationary object
If the demister is installed horizontally in the vessel, then the demisting surface area is limited by the cross-sectional area of the vessel, but a vertical orientation increases the demisting surface area beyond the cross-sectional area limitation
Solution Approach 1:
The demister sections are oriented vertically rather than horizontally, utilizing the height dimension of the vessel to expand the demisting surface area. This dimensional change allows the demisting surface area to exceed the vessel's cross-sectional area, as the vertical orientation enables stacking of demister sections in the height direction
3Length of stationary object
If the demister is positioned closer to the fluid inlet to reduce vessel height, then the vessel height is reduced, but the fluid expansion and dispersion are insufficient
Solution Approach 1:
By orienting the demister sections vertically, the invention creates sufficient demisting surface area in the height direction to compensate for the reduced distance from the inlet. This allows the fluid to undergo adequate expansion and dispersion even when the demister is positioned closer to the inlet, maintaining fluid uniformity while reducing overall vessel height
Solution Approach 2:
The demister is divided into multiple sections that can be arranged vertically. This segmentation allows the demister to provide sufficient total demisting surface area while being positioned closer to the inlet, as the multiple sections work together to achieve both compact positioning and effective fluid uniformity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design provides a greater demisting surface area than the vessel's cross-sectional area, reducing the overall height of the vessel while maintaining effective separation of liquid and gas phases, improving fluid distribution and reducing vessel height.
Implementation Method 1
a demister including at least one section positioned proximate to the shell. Each section can have a first surface for primarily receiving the fluid and orientated, independently, about 5—about 85° with respect to horizontal
Implementation Method 2
gas-liquid separation devices to remove liquid droplets from a gas stream
Data Source
AI summary
One exemplary embodiment can be a vessel for receiving a fluid. The vessel may include a shell and a demister including at least one section positioned proximate to the shell. Each section can have a first surface for primarily receiving the fluid and orientated, independently, about 5—about 85° with respect to horizontal.