Steel Cap Anode Assembly for Leak-Proof High-Pressure Tanks
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Solution Overview
Problem
Traditional anode assemblies for oil/gas separator tanks face issues with corrosion protection due to the use of fiberglass caps, which are prone to failure under high pressure, leak air and flammable gases, degrade with sun exposure, and require inconsistent manual assembly methods, leading to potential leaks and limited shelf life.
Innovation Solution
A steel cap anode assembly design with a 'blind' configuration, eliminating penetrations and human error, featuring a welded rod for secure electron conduction and a deformable rib system for easy installation, ensuring a closed system and extended durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If fiberglass caps are used in traditional anode assemblies, then the assembly can be manufactured with simple materials, but the cap fails under high pressure and leaks air and flammable gases
Solution Approach 1:
The patent applies composite materials by combining a steel cap with a polymer coating layer. The steel cap provides the necessary mechanical strength and pressure resistance, while the polymer coating provides corrosion protection and electrical insulation. This composite structure resolves the contradiction by achieving both manufacturing feasibility and high reliability under pressure.
Solution Approach 2:
The patent changes the material parameters from fiberglass (low strength, poor pressure resistance) to steel (high strength, excellent pressure resistance). This parameter change in material selection directly addresses the reliability issue while maintaining manufacturing capability through standard steel fabrication processes.
2Ease of manufacture
If fiberglass caps are used in traditional anode assemblies, then the assembly can be manufactured easily, but the cap degrades with sun exposure and has limited shelf life
Solution Approach 1:
The steel cap combined with polymer coating creates a composite structure where the steel provides UV resistance and long-term durability, while the polymer layer provides additional environmental protection. This resolves the contradiction between ease of manufacture and extended shelf life.
Solution Approach 2:
The patent eliminates the need for disposable fiberglass caps with limited shelf life by using a permanent, durable steel cap design that can withstand long-term exposure to environmental factors including UV radiation, thereby extending the service life indefinitely.
3Ease of manufacture
If manual assembly methods are used with fiberglass caps, then the manufacturing process is simple, but human error leads to inconsistent assembly and potential leaks
Solution Approach 1:
The patent replaces manual mechanical assembly with automated welding processes. The steel cap and rod are joined through automated welding operations that eliminate human error, ensure consistent assembly quality, and provide permanent, leak-proof connections. This substitution resolves the contradiction between process simplicity and manufacturing precision.
Solution Approach 2:
The design allows for self-aligning features and automated positioning that reduce the skill level required for assembly. The standardized steel components can be automatically positioned and welded, making the process both simple and precise without requiring highly skilled manual labor.
4Ease of manufacture
If fiberglass caps are used in traditional anode assemblies, then the initial manufacturing cost is low, but the cap cannot withstand high pressure conditions
Solution Approach 1:
The steel cap with polymer coating creates a cost-effective composite solution where the steel provides the necessary pressure resistance and the polymer coating provides corrosion protection. This composite approach achieves high pressure withstanding capability while maintaining reasonable manufacturing costs through standard industrial processes.
Solution Approach 2:
The patent changes the material strength parameter from fiberglass to steel, dramatically increasing the pressure withstanding capability. This parameter change is offset by using standard steel grades and efficient manufacturing processes, keeping the overall cost competitive.
5Ease of operation
If penetrations are present in the cap design, then the assembly allows for component installation, but leaks occur through the penetration points
Solution Approach 1:
The patent extracts the penetration points from the design by using a blind cap that welds directly to the tank wall without requiring holes or openings. The anode rod is secured internally through welding and mechanical retention, eliminating all penetration points and ensuring complete leak-proof performance while maintaining ease of installation through automated welding processes.
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 steel cap anode assembly provides a reliable, leak-proof, and durable solution for corrosion protection, capable of withstanding higher pressures and maintaining performance without degradation, while simplifying installation and eliminating the need for epoxy, thus enhancing equipment longevity and safety.
Implementation Method 1
The cap of one embodiment of the present invention is made of steel and is designed to engage the fitting's outer edge, thereby creating a path for conducting electrons to an anode.
Implementation Method 2
featuring a welded rod for secure electron conduction
Data Source
AI summary
Provided is an anode assembly cap for selective interconnection to a tank, for example. The anode assembly cap generally includes a flange with interconnected wall configured to surround at least a portion of an anode. When installed, the anode assembly facilitates electron transfer from the tank/anode assembly interface. The anode assembly creates a closed system with respect to the tank, wherein information transfer associated with the interconnection between the anode assembly and the storage tank is minimized or prevented.