摘要 |
PURPOSE:To easily produce solid carbonic acid having a prescribed density and dimension by pre-compressing snowy solid carbonic acid obtained spouting liquefied gas from its bomb, and by after-compressing the solid carbonic acid. CONSTITUTION:The solid carbonic acid obtained by spouting liquefied carbonic acid from the nozzle N of the bomb is introduced through a chute 1 into the space between a pair of pre-pressing rolls 2 which rotate at a low speed toward the direction of the arrows and is formed into a corrugated or broken piece-like configuration to raise the bulk density and to enhance the fluidity. Thereafter, said solid carbonic acid is introduced into the space between a pair of large- sized molding rolls 3, 4 which are set at a prescribed pressure by a cylinder 5, and is made to be a prescribed density by compression and to be formed into a desired configuration. Consequently, a large-sized and high-cost compres sion molding machine and shredding machine are unnecessary, thus the genera tion of scrap solid carbonic acid which is impossible for use as an article of commercial value can be prevented.
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