What are the benefits of dry ice blasting?
Dry ice projection is an industrial cleaning technique free of all chemicals, water and abrasive products such as those used in sanding or aeromabing.
This process uses dry ice as a cleaning agent: it is carbon dioxide (CO2) in solid form, with certain characteristics that, in terms of advantages, make dry ice cleaning the method of cleanliness par excellence.
Learn more about the benefits of dry ice blasting below.
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Cryogenic cleaning: how does it work?
The cryogenic cleaning technique relies on the projection of dry ice pellets onto the surfaces to be cleaned.
The projection vector iscompressed air (air under industrial pressure or thermal compressor). To do this, an ATX blaster will be used, equipped with a firing hose, a pistol and a supersonic spray nozzle .
Loaded with kinetic energy, dry ice pellets (or dry ice) hit the pollution or contaminant, causing a de-cohesion of the surface pollution by:
- mechanical shock (the pellets are loaded with kinetic energy),
- thermal shock (or thermal differential) and…,
- sublimation or transition from solid to gaseous dry ice in a ratio of 1 to 700: dirt is then instantly removed from the support.
For more information on the cryogenic cleaning process, click at the bottom of the page on the link: Explanations of cryogenic cleaning.
More details on the dry ice cleaning technique on the page base. Click link Explanations of cryogenic cleaning
Let’s compare cleanliness techniques
Traditional industrial cleaning involves the almost systematic dismantling of the machines to be treated. The cleaning of the parts is then carried out in a dedicated area.
Traditional methods are also limited when machines cannot be moved or other clean-up techniques would result in more cleaning and downtime.
As noted above, dry ice cleaning has many advantages over other traditional cleaning methods.
Let’s see which ones…
Cryogenic cleaning: dry cleaning
Cleaning techniques that use water as a means of cleanliness, such as high-pressure cleaning, generate moisture in the treated area and require time to dry the parts so that they can be reinstalled.
Cleaning with water can also lead to rust, also damaging the metal parts, or promote the development of bacteria such as salmonella (or salmonella), listeria and escherichia coli.
Because dry ice is carbon dioxide in solid form, the cryogenic cleaning process has the advantage of being a dry and“disinfectant”cleanliness technique on the bacteria mentioned above, because of its extreme temperature that inhibits their development. The temperature of dry ice is -80 °C.
This is why today many agri-food or pharmaceutical companies are equipping themselves with cryogenic cleaning machines such as ATX25 or ATX Nano, thus eliminating cross-contamination.
A quick reminder:
The media used is dry ice or so-called “dry ice” that goes from solid to gaseous without intermediate liquid phase.
Cryogenic cleaning prevents the proliferation of the bacteria mentioned above, mould or the appearance of rust on metal surfaces.
Cryogenic cleaning operation on escalator. High-pressure cleaning is impossible on this type of configuration…
Chemical-free cleaning
Chemical-using cleaning methods can not only damage parts of treated machines, but can also
pose a serious danger to operators as well as theenvironment.
In addition, the use of large quantities of chemicals, involves a reprocessing of waste.
Free of any chemicals, dry ice blasting:
- poses no danger to users,
- does not leave any type of residue, thus saving the additional cost of disposal of secondary waste, but above all,
- is by far the most environmentally friendly technique: dry ice sublimates on contact with the surface to be cleaned, thus returning to the gaseous or CO₂ form,
- does not require a chemical that impacts the ozone layer during its manufacture,
- does not generate bad odours,unlike the use of solvents…
With the projection of dry ice, even heavily clogged surfaces do not require chemicals such as solvents…
Increased productivity and profitability!
Traditional cleaning methods involve, in the vast majority of cases, stopping machines or manufacturing processes, disassembling,eventually letting the parts dry,and then reassembling the parts after cleaning them.
It goes without saying that traditional cleanliness techniques are time-consuming…
Ideally, the re-cleaning phase should be fast, generate little residue, and require little or no dismantling…
Well, the time and money savings with dry ice cleaning are huge!
Indeed, the advantage of dry ice blasting lies in the fact that it is not necessary to “disassemble” and “reassemble”. Rooms can be cleaned on site without additional downtime.
E.g . Food industry.
Cleaning of 2 conveyor chains of 750 linear meters each.
The traditional technique involves dismantling over 2 days, sending the 2 chains to another site for cleaning and “re-greasing” for 3 days, then returning to the customer’s site and reassembling over 2 days. That is a total production stoppage 7 days,at a cleaning cost of 30,000 euros ,not counting the costs associated with production shutdowns.
, with 2 Cryoblaster ATX80 and ATX25 cleaning units, makes it possible to degrease the chains, on site, without dismantling in just 2 1/2 days, i.e. 4 1/2 days less production downtime
.
Cryogenics cleaning is 2 to 8 times faster than traditional methods. So the process is very fast.
Cryogenic cleaning of agri-food chains: 2 1/2 days versus 7 days with traditional method…
Dry ice cleaning is certainly cleaning at high speed!
A little reminder :
As dry ice cleaning is a dry process, there is no need to wipe or dry the treated surfaces: a significant time saver. Thanks to the various types of nozzles, the cleaning is much more “thorough “, and allows you to clean in every nook and cranny. As a result, the equipment works more efficiently and potential leaks (hydraulics, for example) are revealed.
A technique that ensures the sustainability of production tools
Since dry ice is dry, it does not promote corrosion of metal surfaces.
This technique can therefore be used to clean electrical equipment under tension: as long as it is not likely to cause electrocution by direct contact.
Important:
Cleaning electrical cabinets under-voltage requires a HnBntype clearance. Make sure the operator has taken this kind of training. Otherwise, and in the event of an accident, you may be liable.
Cleaning off-voltage and recorded electrical cabinets require H0B0 clearance.
In addition, the hardness some Dry ice is comparable to that of the chalk and therefore does not scratch Treated parts, unlike some tools such as spatulas, scrapers, scraping sponges: industrial dry ice cleaning increases the life of the work tool by minimizing wear and tear and keeping the machines in good working order. The process is
non-abrasive
.
Among the manyadvantages of dry ice cleaning, the gentleness of the treatment is very much appreciated: dry ice is much less dense than sand and above all sublimates (passing from solid to gaseous state, in a ratio of 1 to 400) on contact with the surface to be treated.
Important:
In order to ensure the feasibility of a dry ice cleaning project on a surface that you are not used to treating (wood, plastic, etc.), always start at low pressure, and adapt the particle size of the ice and the type of nozzle in relation to the contaminant, the support and… of the desired result.
Some tools or accessories can damage treated surfaces…
The hardness of the dry ice is only 2 mohs, which is the hardness of the chalk. Cryogenics treatment is not abrasive.
In summary, the benefits of cryogenic cleaning are:
- A safe industrial cleaning process for operators, machines, the environment: no chemicals (no solvents, no detergent, no abrasives).
- A technique that does not contribute to the increase in greenhouse gases (insofar as the compressed air is of electrical origin). Ice Carbon dioxide is made with recycled CO₂, which is ultimately given a second useful life.
- A dry, non-abrasive, non-conductive cleaning technique using a non-flammable media, 2 to 8 times faster than traditional techniques, due to the fact that it does not systematically require disassembly to clean the surfaces.
Other articles on the same theme…
Advantage 1 – Cryogenic cleaning: dry cleaning!
Discover in the following article, dry ice cleaning, a non-wet process, the 3 main reasons to abandon water as a cleansing agent in industrial cleaning operations.
Advantage 2 – Cryogenic Cleaning: Chemical-Free Cleaning
Among the many benefits of carboglace spray cleaning, the absence of solvents, acid, ammonia… make this process a cleanliness technique that respects the health of users and the environment. Check out the article: cryogenics cleaning, cleaning without chemistry,all the many benefits that flow from the absence of detergents.
Advantage 3 – Cryogenic Cleaning: Non-abrasive Cleaning
The fact that the hardness of dry ice is very different from the media used in sanding and aeromming techniques, make dry ice projection cleaning a non-abrasive technique. Find out in this article, everything that makes cryogenics cleaning a surface-friendly technique
Advantage 4 – Cryogenic cleaning reduces production shutdowns
Discover in this article cryogenic cleaning increases your productivity,how the projection of dry ice allows to optimize the cleaning of your processes in record time!
For more information:
- Dry ice blasting: how does it work?
- Benefits of dry ice blasting
- Dry ice blasting applications
- Dry ice blasting: frequently asked questions
- Dry ice blasting machines
- Industrial cryogenic cleaning
- Cryogenic stripping
- Dry ice
- Industrial and cryogenic cleaning training
- Personal protective equipment for cryogenic cleaning
- History of Dry Ice Cleaning
- Complete Guide to Nozzle Optimization
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