Three-Stage Carrier for Gamma Irradiation Energy Utilization
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Solution Overview
Problem
Conventional gamma irradiation facilities are limited in their ability to simultaneously utilize both source overlay and product overlay configurations, leading to inefficiencies in energy utilization and processing time, as they are designed for either one configuration exclusively.
Innovation Solution
A three-stage carrier system that allows for simultaneous or selective application of source overlay and product overlay by having a central container for high-dose irradiation and upper and lower containers for uniform dose irradiation, enabling the processing of various products with different dose requirements in a single facility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a conventional gamma irradiation facility is designed for product overlay configuration, then absorption uniformity is maintained and gamma ray energy is fully utilized, but processing time increases and productivity decreases
Solution Approach 1:
The carrier is divided into three independent stages (first stage, second stage, third stage), each capable of being positioned at different locations relative to the gamma ray source. This segmentation allows different stages to perform different functions simultaneously - some stages can be in source overlay position for high-dose irradiation while others are in product overlay position for uniform dose distribution, thereby resolving the contradiction between energy utilization and processing time.
2Productivity
If a conventional gamma irradiation facility is designed for source overlay configuration, then processing time is reduced and productivity increases, but energy utilization efficiency decreases
Solution Approach 1:
The three-stage carrier structure enables division of labor among stages: the second stage can operate in source overlay mode for rapid high-dose irradiation (improving productivity), while the first and third stages operate in product overlay mode to ensure uniform dose absorption and full energy utilization. This simultaneous multi-mode operation resolves the contradiction between processing speed and energy efficiency.
3Device complexity
If a conventional gamma irradiation facility is designed for either product overlay or source overlay exclusively, then the facility structure is simple, but adaptability to different product requirements is limited
Solution Approach 1:
The three-stage carrier divides the irradiation system into independent modules, each stage capable of independent positioning and dose control. This allows flexible configuration where different stages can be assigned to different products with different dose requirements simultaneously, achieving high adaptability without requiring complex facility restructuring.
Solution Approach 2:
The three-stage carrier is designed as a universal platform that can accommodate multiple irradiation configurations (source overlay, product overlay, or combinations thereof) within a single facility. Each stage can be independently positioned to serve different product types and dose requirements, making the facility versatile while maintaining relatively simple overall structure.
4Manufacturing precision
If products requiring different dose requirements are processed separately in conventional facilities, then dose precision is maintained, but processing time increases and productivity decreases
Solution Approach 1:
The three-stage carrier assigns different stages to different dose requirements: stages requiring high dose can be positioned in source overlay configuration while stages requiring uniform low dose can be positioned in product overlay configuration. All stages are irradiated simultaneously, achieving precise dose control for different products without sequential processing, thereby resolving the contradiction between dose precision and productivity.
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 three-stage carrier system enhances energy utilization efficiency and productivity by allowing for simultaneous processing of different products with varying dose requirements, ensuring quality stability and simplifying the treatment process while reducing processing time.
Implementation Method 1
a three-stage carrier 1 for gamma irradiation which is transported to an irradiation room by transporting means and irradiated with gamma ray sources installed on ray source rack such that a product loaded therein is treated
Data Source
AI summary
A three-stage carrier is transported to an irradiation room by transporting means and is irradiated with gamma ray sources installed on ray source rack such that a product loaded therein is treated. The three-stage carrier includes a central container in a center of the three-stage carrier; an upper container formed on the central container; and a lower container formed under the central container. Here, the central container, the upper container, and the lower container are partitioned by septum, a height of the three-stage carrier is greater than a height of the ray source lack, and the central container has a height greater than a height of the upper container or a height of upper container. The better quality stability through uniform sterilization and the improved energy utilization efficiency and productivity, the reduction of cost may be achieved.