Nuclear power station high-dose-rate mixed dry waste temporary storage decay treatment method
A technology with high dose rate and treatment method, applied in dosimeters, nuclear engineering, measuring devices, etc., can solve the problem of dry waste temporary storage time without quantitative calculation and analysis, no establishment of high dose rate miscellaneous dry waste, increase manpower, material resources and personnel. Exposure dose and other issues, to achieve the effect of reducing exposure dose and exposure risk, reducing disposal costs, and ensuring verifiability
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[0034] The present invention provides a nuclear power plant high dose rate miscellaneous dry waste temporary storage decay treatment method, comprising the following steps:
[0035] 1. Collect radioactive miscellaneous dry waste from nuclear power plants, and measure the surface dose rate of radioactive miscellaneous dry waste with a gamma dose rate meter. The distance between the measurement point and the item is 0.01m, which is recorded as D′; according to the measurement results, the surface dose rate exceeds 2mSv High dose rate radioactive miscellaneous dry waste per hour; low dose rate miscellaneous dry waste with a surface dose rate of less than 2mSv / h is put into a 200L steel drum for drying, and the drum is pre-compacted, and the drum is super compacted, 2-4 A 400L steel drum filled with overpressure cakes is fixed by grouting.
[0036] 2. The high dose rate miscellaneous dry waste screened in step 1 includes high dose rate miscellaneous dry waste that is easy to mix u...
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