Technology for making nuclear fuel element core by external gelatinization method
Title：
Technology for making nuclear fuel element core by external gelatinization method
Application Number：
 200610113782
Application Date：
 2006/10/16
Announcement Date：
 2007/03/28
Pub. Date：
Publication Number：
 1937097
Announcement Number：
Grant Date：
Granted Pub. Date：
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 G21C 3/62, C04B 35/51, B01J 2/08
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
Key Words：
 external gelatinization method, nuclear fuel element, core
Abstract：
 Adding urea and ammonium nitrate to solution of uranyl nitrate, the invention obtains dense UO2 ceramics microsphere accorded with design requirement of high temperature, air-cooled nuclear reactor in high yield finally, after technological processes including boiling glue, preparing glue, dispersion, aging, washing, drying, baking, reduction, and sintering etc. Advantages are: easy of preparing glue solution, high content of uranium, steady glue solution, and simple facility so as to suit factory production in large-scale; good mechanical strength and heat treatability of gel balls; and safe operation.
Claim：
Priority：
PCT：
LegalStatus：

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