Overlapping Tank Insulation Panels for Localized Maintenance
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Solution Overview
Problem
Current external insulation systems for heated vessels are prone to 'corrosion under insulation' and fatigue cracking, making regular inspections and maintenance challenging, as they require large portions of the insulation to be removed for access, which is time-consuming and costly.
Innovation Solution
A modular external insulation system comprising vertically spaced supports and overlapping insulating panels that allow for easy installation, thermal expansion, and contraction, while providing a barrier to water and atmospheric elements, facilitating localized inspection and maintenance by allowing individual panels to be easily removed and replaced.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional external insulation systems are used, then thermal isolation is provided, but inspection and maintenance require removal of large portions of insulation
Solution Approach 1:
The insulation system is divided into multiple modular panels that can be independently removed and reinstalled. Each panel is a self-contained unit with standardized dimensions and attachment mechanisms, allowing selective access to specific vessel areas without disturbing the entire insulation system.
Solution Approach 2:
The insulation panels incorporate flexible elements and adjustable support structures that allow the system to adapt during installation and removal. The panels can be easily detached and reattached while maintaining their insulating function, enabling dynamic access for maintenance operations.
2Ease of operation
If modular insulating panels are used, then localized inspection is facilitated, but system complexity increases
Solution Approach 1:
The modular panels and vertical supports are designed as universal components that can be used in various positions and configurations around the vessel. The standardized interfaces and attachment mechanisms allow the same components to serve multiple functions, reducing the variety of unique parts needed and simplifying the overall system despite its modular nature.
Solution Approach 2:
The system uses standardized parameter values for panel dimensions, support spacing, and attachment hardware. By establishing fixed parameters and tolerances, the design reduces complexity through repetition and standardization, making the modular system easier to manufacture, install, and maintain.
3Reliability
If insulating panels overlap, then water barrier functionality is improved, but thermal expansion accommodation is reduced
Solution Approach 1:
The insulating panels incorporate flexible materials and thin-film waterproofing layers that can bend and move with thermal expansion while maintaining their water barrier function. The overlapping joints use flexible sealing elements that accommodate movement without compromising the waterproof seal.
Solution Approach 2:
The overlapping panel design includes dynamic sealing mechanisms that adapt to thermal movement. The joints are designed to maintain water tightness while allowing for expansion and contraction, using flexible gaskets or overlapping configurations that self-adjust during thermal cycling.
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
The system enables efficient and cost-effective thermal insulation with reduced downtime for maintenance, accommodating thermal expansion and contraction, and preventing water intrusion, while allowing for localized inspection and maintenance without removing the entire insulation system.
Implementation Method 1
Each of the insulating panels in the series of insulating panels is supported between the first vertical support and the second vertical support... provide excellent thermal isolation
Implementation Method 2
Each insulating panel in the series of insulating panels slidably overlaps one or more adjacent insulating panels in the series of insulating panels... allow adequate thermal expansion and contraction of the underlying heated vessels
Data Source
AI summary
An apparatus comprises a vessel, a first vertical support, a second vertical support, and a series of insulating panels. The first vertical support and the second vertical support are fixated to the vessel such that the first vertical support is spaced apart from the second vertical support. Each of the insulating panels in the series of insulating panels is supported between the first vertical support and the second vertical support. Moreover, each insulating panel in the series of insulating panels slidably overlaps one or more adjacent insulating panels in the series of insulating panels.