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Study on HYT Carbon Dioxide Hardening Method of Sodium Silicate Sand

Yin Deying  Wei Jia  Liu Hongtao  Ma Shuang  Yin Hang  Liu Yuan  Bai Yanhua  Jin Guangming  
【摘要】:The problem of overblowing always exists in CO_2 sodium silicate sand. This paper, through tests and research, proposes the anti-overblowing conjecture of hiding CO_2 sodium silicate sand, and describes the invention of HYT carbon dioxide hardening method of sodium silicate sand, which, by composite blowing, replaces the CO_2 in the sand gap to avoid the overblowing of CO_2 sodium silicate sand. The reliability of the anti-overblowing measure has been proved by tests. A large number of tests have shown that the "HYT method" has the advantages of small addition amount of sodium silicate, high strength, good collapsibility, and regeneration and reuse of used sand. The "HYT Method" has been promoted and used in many companies.

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