Dry Ice Blasting Implications in the Industry

This very topic primarily focuses on the industrialpersonal protective equipment is required.
cleaning aspect which is considered veryWhereas Dry Ice Blasting has the following
important by maintenance departments. Todayadvantages:
you need to keep all your industrial machines and• Equipment can be cleaned in place; dry
applications in perfect order to maximize theprocess; can clean while equipment is hot with no
production capacity and also reducing thedown-time.
accidents occurring due to poor maintenance. In• No additional contaminant; dry ice sublimates
order to keep your equipment and machines cleanwhen contacting the targeted surface so only
traditional cleaning methods such as sand blasting,clean-up of the removed contaminant is
solvents and high pressure water blasting havenecessary.
been used. But all these methods have become a• Dramatically reduced labor - often
thing of the past since modern fast pacedcompleted in half the time or better.
companies need quicker and more efficient ways• No equipment damage; preventive
to keep their equipment clean. A revolutionarymaintenance very realistic as labor hours are
new cleaning process called Dry Ice Blasting usessignificantly less.
pellets of CO2 (dry ice). It is primarily used for a• Standard safety precautions; dry process -
variety of applications to reduce downtime andsafe around electrical equipment
waste generation. The pellets sublimate (convert• Minimal - cost of dry ice.
directly from a solid blast pellet to a vapor CO2)The Dry Ice Blasting process is accentuated with
leaving no residue.the environmental benefits because companies
So what exactly is Dry Ice Blasting?today want to minimize their industrial waste.
It is a process in which dry ice particles areWhen all benefits of Dry Ice Blasting are added up
propelled to supersonic speed impacting and thusDry Ice Blasting is the perfect solution to reduce
breaking free the debris on a surface. Theenvironmental waste, production downtime and
particles are accelerated by compressed air justplant maintenance concerns.
as with other blasting systems. The micro-thermalSome of the industries where Dry Ice Blasting is
shock (caused by the dry ice temperature ofwidely being used are:
-79º C), the kinetic energy of dry iceAerospace
pellets and the air pressure break the bondHistorical Restoration
between the coating and the substrate. It popsAutomotive
off the coating from inside out and the air streamMold Remediation
removes it from the surface. Industries can utilizeContract Cleaning
the CO2 blasting method through equipment thatPackaging
fires the pellets through a blasting gun. It is calledElectrical
instantaneous sublimation. Upon impact the dry icePlastics
sublimates (vaporizes). When the dry ice impactsFire Restoration
the surface being cleaned it emits ambient heatPower Generation
that causes the separation of dirt particles fromFood and Beverage
the contaminated area and thus making thePrinting
surface clean. The dry ice blasting is veryFoundry
advantageous as compared to some traditionalRubber
methods. Some of the issues that traditionalGeneral Maintenance
cleaning systems face are listed below:Wood
• Disassembly/reassembly; drying timeThe process is used in almost any type of
required.industry that has equipment which regularly needs
• Solvents become a secondary contaminantto be cleaned. It is safe to be used where there
and must be disposed of.are smoke particles and residues of mold. Dry Ice
• Intensive hand scrubbing; lengthy cleaningsBlasting for ink presses is a rapidly sought-after
and follow-up cleaning-up can be lengthy.process for the printing industry. Build-up of ink
• Poor to average results.causes production quality and safety concerns.
• Grit abrasions; grit contamination;Dry Ice Blasting ink presses are beneficial because
movement of equipment to and from cleaningit takes away the need for manual labor, solvents
areaand down-time. It has certainly been a revolution
• Health and environmental threats fromfor not only the printing industry but also almost
solvents; water-based cleaning pose hazardsall industries that use equipment. Dry Ice Blasting
around electrical equipment.is the tried and true method against obsolete
• Cleaning agent becomes additional hazardouscleaning technologies and is gaining in popularity
waste; expensive solvents; additional labor andwith plant maintenance crews.