Development of Equipment and Process on Dry Ice Blasting 


Vol. 10,  No. 3, pp. 121-130, Sep.  2004


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  Abstract

Pelletizer of dry ice snow produced by adiabatic expansion of liquid carbon dioxide and their blaster were designed and manufactured. The blaster had a high cleaning power against various contaminants on the surface such as stain, oily dirt, lacquer film and paints with low blasting pressure and low consumption of blasting air. The capacity of hopper for dry ice pellet supply was 12 kg and the mass rate of pellet blasting was controlled in 0 to 1.2 kg/min. The impact of the pellets was independent of standoff distance within a certain limiting distance, and dependent on the impact stress, angle and mass rate of dry ice pellet blasting. On the other hand the cleaning power was influenced by thermal properties and surface roughness of the substrates and decreased in the order of glass, copper, brass, steel and acryl. The power was also affected by hardness and adhesion of the contaminant on the substrate, and decreased in the order of grease, epoxy and paint. The noise was detected during blasting in the range of 85 to 100dBA.

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  Cite this article

[IEEE Style]

P. JS, K. H, K. SG, "Development of Equipment and Process on Dry Ice Blasting," Clean Technology, vol. 10, no. 3, pp. 121-130, 2004. DOI: .

[ACM Style]

Park JS, Kim H, and Kim SG. 2004. Development of Equipment and Process on Dry Ice Blasting. Clean Technology, 10, 3, (2004), 121-130. DOI: .

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pISSN : 1598 - 9712
eISSN : 2288 - 0690

한국연구재단 등재학술지