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Thursday September 21 , 2017
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Introduction to Dry Ice Cleaning

What is Dry Ice Cleaning?

Dry Ice cleaning is a revolutionary cleaning method that uses small, compact Dry Ice pellets as the cleaning material. The Dry Ice pellets are accelerated in a jet of compressed air similar to that used in traditional high pressure cleaning methods.

Dry Ice cleaning is designed to replace high-pressure hosing and other traditional cleaning methods that use materials such as sand, glass and plastic as abrasive agents. In addition, a wide range of other cleaning methods that involve the use of hazardous chemicals, solvents, etc., can with advantage, be replaced by Dry Ice cleaning.

The unique feature of Dry Ice as a cleaning material is that it vaporises on contact with the surface to be cleaned. Treated surfaces are therefore left Dry and clean, without residues of detergents or cleaning materials. As the process is completely Dry and non­conductive, Dry Ice cleaning can be used where other methods are unsuitable. For example, electric motors and equipment with electric, pneumatic or hydraulic components can be cleaned direct using Dry Ice cleaning.

Dry Ice cleaning is ideal for removing coatings such as adhesives, varnish, oil, grease, coal dust, soot, mould release agents and bitumen ­ to name but a few of the materials we remove daily using the process.

No detergent or cleaning material is left after treatment. This makes the system highly suitable for industries that require a high degree of hygiene ­ the food and pharmaceutical industries for example.

It is a NON-TOXIC, NON-HAZARDOUS, NON-ABRASIVE, NON-STATIC and NON-EXPLOSIVE cleaning medium.

It's a process so versatile; it can remove dust from delicate electrical wiring or layers of heavily encrusted coats of paint on automotive assembly line equipment.

1) The Dry Ice pellets are shot out of the unit at a speed of up to 300 m/second

2) The blasted coating is frozen in a split second (micro-thermal shock)

3) The subsequent pellets are then able to infiltrate through the cracked and brittle surface onto the substrate (kinetic energy)

4) Upon impact the Dry Ice converts from its hard aggregate state to its harmless gas form and expands its volume by 700 times. Through this “explosion” and the high kinetic energy combined with the brittle surface all types of dirt or unwanted coatings are removed.

Safety on your site

Due to the noise level factor of over 100 dB, please be aware that those in the same room or immediate vicinity can only work wearing ear and eye protection.

Our operators are fully trained in the operation of Dry Ice equipment and safety procedures associated with its use.

A Cost-Effective Service

Dry Ice cleaning is fast. It allows you to clean equipment without disassembling or masking, and online cleaning eliminates costly downtime penalties. Reduce the labour costs of manual cleaning maintenance; reduce or eliminate the costs of waste disposal. Benefit by increasing your uptime and improving your productivity.

Reduced labour hours –
The dynamics of cleaning with Dry Ice dramatically reduces maintenance time requirements. Also, there is no need for disassembly/reassembly of equipment.

Reduced downtime –
Dry Ice cleaning can prevent breakdowns. Also, the time required to clean equipment is tremendously less than with hand and other cleaning methods. In summary, production gains can be significant.

More thorough cleaning –
Dry Ice cleaning cleans in crevices, unreachable by hand.

Improved performance -
The quality of the equipment is better when there are clean, and they run more efficiently.

Extended Equipment life –
Improved performance and cleaner parts results in longer lasting equipment.

Improved safety –
Chemical solvents can be eliminated removing the dangers they pose to workers and environment.

Reduced costs –
Collectively, the reduced labour hours, reduced downtime, longer equipment life and decreased waste disposal expenses, result in making Dry Ice cleaning extremely cost effective. Frequently, the cost savings pay for the Dry Ice systems or service in a very short period of time.
The dynamics of cleaning with Dry Ice dramatically reduces maintenance time requirements. Also, there is no need for disassembly/reassembly of equipment.

Reduced downtime –
Dry Ice cleaning can prevent breakdowns. Also, the time required to clean equipment is tremendously less than with hand and other cleaning methods. In summary, production gains can be significant.

More thorough cleaning –
Dry Ice cleaning cleans in crevices, unreachable by hand.

Improved performance -
The quality of the equipment is better when there are clean, and they run more efficiently.

Extended Equipment life –
Improved performance and cleaner parts results in longer lasting equipment.

Improved safety –
Chemical solvents can be eliminated removing the dangers they pose to workers and environment.

Reduced costs –
Collectively, the reduced labour hours, reduced downtime, longer equipment life and decreased waste disposal expenses, result in making Dry Ice cleaning extremely cost effective. Frequently, the cost savings pay for the Dry Ice systems or service in a very short period of time.

Benefit #1     Decreased Downtime through Cleaning In-Situ
Benefit #2     Faster and More Thorough Cleaning
Benefit #3     Elimination of Equipment Damage
Benefit #4     Reduction or Elimination of Solvents
Benefit #5     Reductions in Waste Disposal
Benefit #6     Increased Safety
Benefit #7     Green House Friendly and Environmentally Safe

Dry Ice Cleaning Benefits

Dry Ice cleaning benefits can be broken down into seven general areas. They are as follows:

Benefit #1 - Decreased Downtime through Cleaning In-Situ
Typical cleaning procedures require that equipment be disassembled and moved to an assigned area for proper cleaning. That is not the case with Dry Ice cleaning. Equipment can be cleaned in-situ and hot in most situations. Because of that, many time-consuming, labour-intensive steps which were required with other methods such as sand blasting can be eliminated including:
-    Cool down
-    Disassembly
-    Transport of the equipment to and from a dedicated cleaning area
-    Reassembly
-    Reheating time
-    Dry Ice cleaning can shorten the downtime for cleaning from days down to hours.

Benefit #2 - Faster and More Thorough Cleaning
With Dry Ice cleaning, a superior clean can be achieved while reducing hours when compared to scrubbing with abrasive pads or wire brushes. A tremendous labour savings is accomplished. In addition, the CO2 blast method cleans in crevices that can't be reached by hand. As a result, equipment runs more efficiently and potential leaks are revealed, possibly preventing major system failures.

Benefit #3 - Elimination of Equipment Damage
Dry Ice cleaning often eliminates equipment damage. Cleaning methods such as sand blasting leave an aggressive and abrasive effect on the surface. They can actually remove part of the surface, changing the surface structure considerably. Dry Ice is non-abrasive to surfaces and does not change a surface's structure. It lifts the contaminants away. Secondly, because equipment can now be cleaned in place, potential damage from moving equipment to and from a dedicated cleaning area is also eliminated.

Benefit #4 - Reduction or Elimination of Solvents
Dry Ice cleaning uses no solvents, but instead uses harmless CO2 pellets. This can be a critical need for certain companies in order to comply with environmental regulations or to improve worker safety. There are no issues pertaining to toxicity.

Benefit #5 - Reductions in Waste Disposal

With other cleaning methods, whether it is with solvents, sand cleaning or some other means, the cleaning agent becomes a secondary contaminant and must be disposed of as toxic waste along with the primary contaminant. However, with Dry Ice cleaning because the CO2 pellet vaporizes upon contact, the only waste created is the contaminant itself. This alone can result in significant waste reduction.

Benefit #6 - Increased Safety
Dry Ice cleaning pellets are non-toxic, non-hazardous creating advantages to the employees, and production facility: environment, your
No secondary waste
-    Safe for the environment
-    Safe for employees
-    Safe for end products
-    Safe for equipment

Benefit #7 - Green House Friendly and Environmentally Safe
Dry Ice is completely non-toxic. As no hazardous chemicals or solvents are used in Dry Ice cleaning, operators avoid being exposed to hazardous fumes and other dangers during cleaning. In contrast to high-pressure hosing, polluted drain water is avoided.

Dry Ice is produced from liquid carbon dioxide (CO2).  The liquid CO2 utilised in Dry Ice production is an industry by-product and as a type of "recycling" is not a contributing factor to the Green House effect.

An Environmentally Safe Service - The Dry Ice particles instantly and safely sublimate, turning from solid to gas on impact. By using this process, you will reduce harmful air emissions from toxic chemicals and ultimately reduce employee health risks through exposure to hazardous solvents. And you can also reduce secondary waste volume.

Compare Dry Ice cleaning to Other Cleaning Methods

Blasting Technique Waste for Disposal Abrasive Toxic Electrially Conductive Perfomance Comparasion
Dry Ice No No No No Excellent
Sand Yes Yes No* No OK
Garnet Yes Yes No* No OK
Soda Yes Yes No* No OK
Steam No No No Yes Poor
Solvents Yes No Yes Yes Limited


* Each of these blast cleaning materials becomes contaminated upon contact if used to clean hazardous objects. When that happens, these materials are then classified as toxic waste requiring safe disposal.