Q1:WHAT IS DRY ICE?
Dry ice is the solid state of carbon dioxide (CO2) formed at a temperature of -79 °C. Carbon dioxide is naturally found as a gas on Earth. It is non-toxic and tasteless, and often used to saturate drinks to give them a fresh taste and prolong consumption. Dry ice is also used in the food industry to cool food or applied in health services.
Q2:DRY ICE CLEANING THEORY?
When the dry ice cleaning machine forces tiny dry ice pellets blasted on to a surface, the unwanted contaminants freeze and fracture, then an explosion of energy takes place, resulting in the thorough removal of unwanted coating, such as grease, oil, paint, rust, adhesives, tar, ink, dirt, resins, etc.
Q3: THREE TYPES OF PHYSICAL INTERACTION DURING DRY ICE BLASTING PROCESS?
1.The kinetic effect: the dry ice particles being accelerated to high speed. 2.The thermal effect: the dry ice particles hit the dirt layer at -78.5° C, cool it down abruptly, it contracts and forms cracks. Due to the different coefficients of thermal expansion, the compound between the surface and the dirt is loosened. 3.The sublimation: on impact, the carbon dioxide directly transforms from a solid to a gaseous state and expands about 700 times the volume in a split second. This expansion literally 'blasts off' the dirt from the surface. As a result, only the dissolved dirt particles remain at the end of the cleaning process and can be easily disposed of.
Q4:WHY CHOOSE DRY ICE CLEANING METHOD?
Dry ice blasting is a cleaning method that is effective, gentle on the cleaned materials, and environmentally friendly. The dry ice cleaning process only removes residues and no secondary waste is produced. Dry ice lets you gently and ecologically clean deposits of sediment and residue without needing to dismantle any of your equipment. Therefore, save time and considerable monetary costs. Detailed speaking, dry ice cleaning method has the below advantages: *No water is required, non-conductive, no need to dry allows for immediate use after cleaning. *No chemical is required, no secondary waste, nvironmentally responsible. *Clean in-place, no disassembly required, no need to rinse or cool, reduce production downtime and unplanned maintenance, increase production efficiencies. *Clean faster and more effectively, decrease cleaning time and labor costs. *Non-abrasive, eliminate wear and tear on machinery or parts. *It is also non-toxic, odourless, and suitable for any surfaces-metal, wood, and concrete, even on fine wood grains, glass, or textiles. *It is workable for different dirt/coating, such as grease, oil, paint, rust, adhesives, tar, ink, dirt, resins, etc. *Dry ice can inhibit the growth of bacteria. The dry ice cleaning process also stops the growth of fungi and spores and reduces the presence of other biological contaminants.
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