Modular Radiation Protection Curtain with Interchangeable Protective Layer
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Solution Overview
Problem
Existing radiation protection curtains are prone to mechanical damage and wear, leading to potential radiation leakage and contamination, especially in high-throughput industrial applications where frequent contact with objects occurs, necessitating costly replacements and risking health hazards.
Innovation Solution
A radiation protection curtain design featuring a separate, modular, and exchangeable mechanically protective layer perpendicular to the transport direction, which reduces or prevents damage to the radiation-protective layer by allowing optimal material selection for both layers, enabling easy replacement of damaged segments and minimizing the need for extensive dismantling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single-unit radiation protection curtain is used, then radiation shielding is provided, but mechanical damage occurs rapidly due to frequent contact with objects
Solution Approach 1:
The radiation protection curtain is divided into multiple individually replaceable elements that can be independently exchanged when damaged, rather than replacing the entire curtain unit. This segmentation allows partial replacement of worn elements while maintaining radiation shielding integrity.
Solution Approach 2:
A mechanically protective layer is introduced as an intermediary between the objects being transported and the radiation-shielding layer. This protective layer absorbs mechanical wear and damage, preventing direct contact between objects and the radiation-shielding elements, thereby extending the service life of the curtain while maintaining radiation protection.
2Reliability
If radiation shielding elements are mounted on a horizontal rod, then radiation protection is achieved, but high frictional force opposes object movement causing swinging
Solution Approach 1:
The mechanically protective layer serves as a mediator between the moving objects and the radiation-shielding elements mounted on the rod. This layer reduces frictional contact, allowing objects to pass through more smoothly without causing the curtain elements to swing excessively, while the radiation shielding function remains intact.
Solution Approach 2:
The protective layer changes the friction parameters at the contact surface between objects and the curtain. By providing a different surface texture and friction coefficient, objects can move through the curtain with reduced opposition, minimizing swinging motion while radiation protection is maintained.
3Reliability
If the entire radiation shielding curtain is replaced when one element is damaged, then radiation leakage is prevented, but cost and time are significantly increased
Solution Approach 1:
The curtain is designed with segmented, modular elements that can be independently replaced. When one element is damaged, only that specific element needs to be removed and replaced, rather than replacing the entire curtain assembly. This maintains radiation leakage prevention while dramatically simplifying the repair process.
Solution Approach 2:
Individual damaged elements can be discarded and replaced with new ones, while the remaining intact elements are retained and continue to provide radiation protection. This selective replacement approach prevents radiation leakage by ensuring damaged elements are replaced, while avoiding the waste and cost of replacing functional elements.
4Productivity
If frequent object examination is performed through the curtain, then productivity is improved, but mechanical wear and radiation leakage risk increase
Solution Approach 1:
The mechanically protective layer acts as a sacrificial intermediary that absorbs the cumulative mechanical wear from frequent object passage. This allows high-throughput examination to continue without compromising the integrity of the radiation-shielding layer, maintaining both productivity and reliability over extended periods.
Solution Approach 2:
The protective layer modifies the mechanical interaction parameters between objects and the curtain, reducing wear rates. This enables the system to sustain high-frequency object passage while maintaining curtain integrity, thus supporting improved productivity without increasing radiation leakage risk.
Data Source
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AI summary
The invention relates to a radiation protection curtain, which consists of at least two layers (3, 13) arranged parallel to each other, for transporting objects to be examined in a product stream in one direction (T) through the radiation protection curtain, wherein at least one first layer is designed as a radiation-protective layer (3), at least one separate, independent further layer is positioned upstream of this at least one first radiation-protective layer (3) in the transport direction (T), this at least one further layer is designed as a mechanically protective layer (13) in order to protect the radiation-protective layer (3) behind it from mechanical influences, and the at least one further mechanically protective layer (13) consists of at least one segment which is arranged individually and interchangeably at provided locations on a fully installed radiation-protective layer (3).