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Research on Wireless Monitoring System of Nuclear Waste Temporary Storage Radiation Field

Author: DingChunYang
Tutor: ShenMingQi
School: Harbin Engineering University
Course: Radiation protection and environmental protection
Keywords: ZF02 data module Wireless transmission CP104 multiport serial cards Data analysis
CLC: TL751
Type: Master's thesis
Year: 2011
Downloads: 11
Quote: 0
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Abstract


In the process of decommissioning of nuclear facilities will generate a lot of solid radioactive waste. Before final disposal these wastes need to be stored in the temporary library. There are a variety of ionizing radiation in the temporary library which store nuclear waste.Ionizing radiation can release energy in the body tissues, leading to cell death or injury.Must draw our attention. Therefore, we monitor the radiation field, in the temporary nuclear waste repository. Provide reference data for the staff. Ensure staff safety.So-called temporary storage radiation monitoring namely is monitoring various of rays using existing mature and steady radiation detectors for workplace in temporary storage. Further analysis of the data obtained. Real-time judge temporary database radiation intensity in radiation field. Comparison of radiation intensity and background values, which set in nuclear science and related specifications, and whether there are significant changes. Long-term environmental changes can be observed. The potential for some abnormal changes in the environment may have an adverse effect on staff.The establishment of a system that is stable and reliable monitoring and analysis of the continuity of the radiation field can provide first-hand the results of the monitoring data and analysis for the relevant departments. The system is the basis for the development of various protective measures.We have a nuclear naval base in waste storage, for example, the temporary library currently has seven sets of XH3023 Domain y radiation monitoring system,19 fixed detectors, 17 sets of warning lights bell, of which 8 high-range probe, low-range probe 11.Probe fixed to the wall at half height. Large area of the temporary library, a small number of the probe, could not reasonably reflect the temporary library science field distribution.People carry a portable detector for measurement into the database to obtain further data. It increases the acceptance of staff radiation dose level and workload.This paper has been to design a portable radiation detector of wireless detection system, for the current level of radiation monitoring. Determine the measurement position as needed. Real-time detect and analyze the radiation field for staff reference. Reduce unnecessary radiation and further optimize the existing methods of radiation protection.This paper studies the data collection and wireless transmission of the temporary library in the radiation field. Collect radiation data by 4 sets of X-y dose rate instruments. Transmit radio signals of different frequencies through 4 ZF02 data transmission module. The computer receives data from multiple detectors, using multiple serial port card technology. Timely sort out, analyze and store of data. Transfer wireless and real-time data. Through many experiments verify the reliability of the experimental equipment designed in this paper. For example, compared with the vehicle, aviation and other wireless detection system, there are cheaper, portability, simple equipment and other characteristics. Can be applied in the daily radiation measurement.

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CLC: > Industrial Technology > Nuclear technology > Radiation Protection > Radiation monitoring of nuclear facilities and uranium mines,protection and health > Radiation Monitoring
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