Mobile Electron Accelerator Radiation Shielding and Beam Catcher
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Solution Overview
Problem
Conventional electron accelerators lack mobility and safety features to enable real-time testing of samples like waste water and waste gas while minimizing environmental pollution and radiation exposure, and they do not effectively prevent radiation leakage or corrosion of containers and trailers.
Innovation Solution
A mobile electron accelerator system with a radiation shielding room, a high voltage generator, a beam extraction device, a beam catcher, a chiller, an ozone absorber, and a controller, which allows for safe placement on trailers, prevents radiation leakage, and facilitates easy assembly and disassembly, using cooling water and ozone absorption to protect against corrosion and air pollution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional electron accelerator is used, then electron beam acceleration and emission can be achieved, but the system lacks mobility and cannot be safely deployed in field conditions
Solution Approach 1:
The electron accelerator system is divided into separate functional modules (electron gun, high voltage generator, beam extraction device, reactor) that can be independently housed in separate containers or compartments. This segmentation allows each component to be optimized for safety while maintaining overall system mobility through modular assembly and disassembly.
2Productivity
If electron beams are emitted to a reactor for real-time testing, then sample analysis capability is improved, but radiation leakage and environmental pollution risks increase
Solution Approach 1:
The reactor is positioned within a nested structure where the electron beam path is contained within the vacuum chamber, which is itself contained within the radiation shielding enclosure. This nested arrangement ensures that radiation is contained at multiple levels, preventing leakage while enabling real-time sample testing in the reactor.
Solution Approach 2:
A beam catcher is introduced as an intermediary component between the beam extraction device and the reactor. The beam catcher captures and dissipates electron beams that have completed their function in the reactor, preventing uncontrolled radiation exposure and enabling safe operation during real-time testing.
3Adaptability or versatility
If high voltage generator and beam extraction device are placed in mobile containers, then field deployability is improved, but radiation shielding and safety containment become more difficult
Solution Approach 1:
The radiation shielding system is segmented into modular components that can be assembled around the high voltage generator and beam extraction device in the field. This allows comprehensive radiation shielding without requiring a single complex monolithic structure, facilitating mobile deployment while maintaining safety containment.
4Reliability
If beam catcher is used to compensate electron beam energy, then container corrosion and thermal damage are prevented, but system complexity increases
Solution Approach 1:
The beam catcher converts the potentially harmful high-energy electron beams into beneficial thermal energy by capturing them in a controlled manner. The kinetic energy of the electron beams is transformed into heat, which is then dissipated through a cooling system, thereby protecting the container from corrosion and thermal damage while managing beam energy safely.
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
Enables real-time testing of samples with enhanced safety and mobility, preventing radiation exposure and environmental pollution by containing electron beams within a radiation shielding room and using cooling water to manage beam energy, thus ensuring rapidity, field applicability, and accuracy.
Implementation Method 1
the electron accelerator accelerates the electrons generated from the electron gun through high voltage from primary and secondary coils of the high voltage generator
Implementation Method 2
accelerates electrons generated from an electron gun through a high voltage generator
Implementation Method 3
diffuses the electrons so as to emit electron beams having high energy close to the speed of light through a beam extraction device in a vacuum condition
Implementation Method 4
emits the electron beams having a regular width while scanning in a scan coil in the beam extraction device
Implementation Method 5
compensates for electron beam energy through a beam catcher disposed in a reactor so as to prevent corrosion of containers or trailers or thermal damage thereto
Implementation Method 6
prevents damage to a radiation shielding room and containers due to electron beam energy of a beam extraction device through a beam catcher using cooling water supplied from a chiller
Implementation Method 7
maximally compensates for radiation leakage to the outside through an inner channel, a pipe hole, and an outer channel, formed like a labyrinthine
Implementation Method 8
absorbs ozone generated from a reactor in a sealed radiation shielding room through an ozone absorber and discharges the absorbed ozone to the outside
Data Source
AI summary
Disclosed is a mobile type electron accelerator which enables a high voltage generator and a beam extraction device irradiating electron beams, and a reactor to be safely placed in containers mounted on trailers of a vehicle having mobility so as to allow a sample (for example, waste water, waste gas, and a sample to be investigated) to be tested in real time while maximally suppressing danger of environmental pollution or radiation exposure, thereby assuring rapidity, field applicability, and accuracy.