Electrically Dissipative Container Closure for Electrostatic Safety
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing containers for storing flammable liquids face a risk of electrostatic charge buildup due to insulating closure materials, leading to potential explosions, and additional safety measures complicate design and are prone to damage.
Innovation Solution
A closure means made of electrically dissipative material, such as plastic with conductive particles, is used to dissipate electrostatic charges when opened or closed with a grounded tool, complementing a multilayer container structure with outer dissipative and inner insulating layers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a closure means made of electrically insulating material is used, then the container can be sealed effectively, but electrostatic charges build up in the liquid leading to explosion risk
Solution Approach 1:
The closure means is constructed as a composite structure with an outer layer of electrically dissipative material and an inner layer of electrically insulating material. This composite design allows the closure to maintain effective sealing while simultaneously dissipating electrostatic charges through the outer dissipative layer, resolving the contradiction between sealing effectiveness and electrostatic safety.
Solution Approach 2:
The closure means has different material properties in different regions: the outer layer provides electrostatic dissipation while the inner layer provides electrical insulation for sealing. This local differentiation of material qualities allows each region to perform its specific function optimally without compromising the other.
2Reliability
If additional connection components are fastened to the dip tube to ensure dissipation of electrostatic charges, then safety is improved, but device complexity increases and components are prone to damage
Solution Approach 1:
The closure means integrates both the sealing function and the electrostatic dissipation function into a single component. By combining these two functions that were previously separate (requiring additional connection components), the design simplifies the overall structure while maintaining safety, directly reducing device complexity.
Solution Approach 2:
The closure means serves multiple functions simultaneously: it seals the container opening and dissipates electrostatic charges. This multi-functionality eliminates the need for separate dedicated components for each function, thereby reducing overall device complexity while ensuring both sealing and safety requirements are met.
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
Reduces the risk of electrostatic charges and explosions by efficiently dissipating charges through the closure means and outer layer, maintaining a simple design and minimizing damage risks.
Implementation Method 1
The closure means (12) consists of electrically dissipative material and is designed for dissipating electrostatic charges of the liquid (3)
Implementation Method 2
it is known to equip the wall of the container with an outer layer consisting of an electrically dissipative material
Data Source
AI summary
A container (2) for storing a liquid (3), with a container opening and with a closure means (12) designed for closing the container opening. The closure means (12) consists of electrically dissipative material and is designed for dissipating electrostatic charges of the liquid (3).