What is dry ice?
Dry ice: A fascinating white solid form of carbon dioxide (CO2), chilled to an impressive -78.5 ºC! Generally, this unique substance is crafted by condensing into a transparent liquid under a pressure of 62.50 bar, followed by a swift solidification process through throttling and depressurization.
Physical properties: This captivating white crystal sublimates effortlessly at room temperature with a remarkable heat of vaporization. Upon sublimation at atmospheric pressure, it dramatically chills its surroundings, causing water vapor to liquefy and condense into visible formations in the air.
Steam, a dazzling spectacle created by water vapor droplets or minuscule ice crystals clinging to airborne dust, gives rise to the iconic white smoke. The crystal structure of dry ice forms a simple cubic pattern, classified as molecular crystals, with each singular carbon dioxide molecule deftly positioned.
Behold the intricate stacking of dry ice crystals in diverse orientations perched at the apexes and centers of the cube.
Chemical properties: Dry ice is the epitome of chemical resilience-staunchly stable, odorless, non-toxic, and non-flammable. While it doesn't ignite or support flames, excessive air-borne carbon dioxide can rev up respiratory activity, potentially leading to suffocation risks.
(i.e. hypoxia). Carbon dioxide's thermal robustness is unparalleled, with merely 1.8% decomposition even at a scorching 2000 ºC. Dry ice, a proud acidic oxide, readily interacts with water, giving rise to carbonic acid.
How is dry ice made?
From the depths of the liquid carbon dioxide storage tank, liquid CO2 is extracted and deftly sprayed into the ice pressing chamber of the dry ice machine. A sophisticated throttling process through the nozzle conjures an abundance of CO2 gas and delightful snowflake-like dry ice solids.
Once the solid dry ice accumulates to an ample mass, the hydraulic system springs to life as the piston compresses the snowflake dry ice into sturdy cubes, cleverly extruding them from the die end. The concluding act involves the rotating blade at the machine's end, meticulously shattering the elongated dry ice into smaller fragments.
Crafting perfect dry ice pellets of the desired length.
There are three main principles of dry ice cleaning:
Energy transfer: At lightning speed, dry ice bombards the targeted surface, efficiently dissipating its kinetic force. The dry ice particles engage in a rapid heat exchange with the surface, leading to an instant sublimation of CO2. This phenomenon causes the dirt to experience swift cooling, contraction, and subsequent brittleness.
Leading to a clean and pristine surface.
Low temperature cracking: The magic of differing thermal expansion coefficients between disparate materials weakens the bonds that hold them together. As the chilling dry ice pellets (-78.5 ºC) strike the treated surface, the dirt freezes, becomes brittle, and succumbs to the thermal onslaught.
Resulting in melting, bursting, and the formation of 'cracks' that compromise the dirt's mechanical integrity, shearing it away with ease.
Micro explosion: The stealthy dry ice particles infiltrate dirt cracks, sublimating within mere thousandths of a second, causing a dramatic 600-800 fold expansion in volume. This rapid growth forcefully detaches the dirt from the object's surface.
Brief explanation of the industry application of dry ice cleaning
Embrace the revolutionary technique of dry ice cleaning, adept at eradicating surface blemishes from metals, molds, equipment, and even ancient artifacts. This advanced process spares the mold from cooling or disassembly, while mitigating corrosion and avoiding the damage inflicted by conventional chemical cleaning.
Traditional mechanical cleaning methods often leave scars, scratches, and diminish mold precision due to repeated handling. Here are some real-world scenarios where dry ice cleaning shines:
1.Petrochemical Industry: Unlock the potential of SUZHOU CHIRUI's Heavy-Duty Dry Ice Cleaning Machine in tackling the most stubborn rust and dust on crucial equipment like main fans, air compressors, exhaust fans, steam turbines, and blowers. Experience maintenance efficiency with minimal downtime as our technology eliminates the need for blade removal and recalibration, ensuring a seamless petrochemical process.
Enhance operational efficiency with our machine's ability to effectively tackle coke and residue build-up in heating furnaces and reactors. Achieve pristine cleanliness on heat exchangers by removing polyvinyl chloride resin. Effortlessly eliminate oil and rust stains from compressors, storage tanks, boilers, reactors, condensers, and intricate machinery, all while reducing manual labor.
Dust and debris elimination is a breeze.
2.Power System: Revolutionize maintenance practices by safely cleaning live-load equipment up to 37 kV, including transformers, insulators, distribution cabinets, wires, and cables. Preserve the integrity of generators, motors, rotors, and stators through non-damaging cleaning, ensuring uninterrupted power supply.
3.Food Production: Keep your production line spotless with our dry ice cleaning technology, efficiently removing baking residues, gelatinous build-ups, oil stains, and fresh product mixtures pre-baking. Maintain hygiene and efficiency by cleaning ovens, mixers, conveyor belts, and molded products with precision.
Ensure spotless packaging equipment with effective cleaning of furnace racks, furnace plates, containers, rollers, refrigerator interiors, and biscuit grates, keeping your operations smooth and efficient.
4.Automotive and Shipping Industry: Experience pristine cleaning of car door covers, canopies, carriages, and bottom oil stains without leaving water residues. Prevent water pollution and enhance performance by cleaning carburetors and removing paint from surfaces. Efficiently tackle engine carbon deposits on vehicles and ships, ensuring peak performance.
With our advanced dry ice cleaning, eliminate carbon deposits in a mere 10 minutes, drastically cutting processing time from 48 hours and reducing health risks associated with chemicals. Achieve an impressive descaling rate of up to 100%, optimizing time and costs.
Revitalize marine equipment by cleaning the hull, seawater intake valve, seawater condenser, heat exchanger, engine room, and mechanical and electrical equipment with unparalleled precision.
5.Aerospace Field: Streamline pre-production processes for missile and aircraft painting and assembly. Remove paint from composite molds and special aircraft accurately. Conduct efficient engine carbon cleaning and maintenance, especially in challenging areas like landing gear compartments, ensuring optimal performance.
Optimize operations with our jet engine conversion system, working directly on aircraft bodies to save time, enhancing productivity.
6.Printing Industry: Achieve flawless prints by removing all traces of oil-based and water-based inks and varnishes. Clean gears, rails, and nozzles with precision, ensuring high-quality printed products while maintaining equipment integrity and longevity.
Ensure the preservation of printing equipment, prolonging its life without wear and tear.
Cultural Relic Cleaning: With SUZHOU CHIRUI's advanced dry ice cleaning technology, achieve superior cleaning of cultural relics, removing soil, salts, mold, and films gently and effectively. Compared to traditional methods, enjoy enhanced cleaning efficiency and quality, while prioritizing environmental and worker health.
Our technology elevates cleaning standards, offering eco-friendly solutions that safeguard both relics and workers.
Discover the ingenious cleaning method and principle of CHIRUI's pellet dry ice cleaning technology.
Mirroring the effectiveness of traditional abrasive techniques like steel sand, glass sand, and baking soda, dry ice blasting propels particles at high speed, impacting and cleansing surfaces. Experience the superior capabilities of dry ice cleaning.
The uniqueness of our technology lies in the sublimation of dry ice particles upon impact. This rapid transition from solid to gas creates an intense heat exchange, efficiently removing debris.
The transformation of CO2 into gas causes particles to expand nearly 800 times, resulting in a 'micro explosion' effect at the impact point, ensuring thorough and efficient cleaning.
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| Model |
GT05 |
GT10 |
| Compressed air flow rate |
> 1.1³ /min |
> 2.5³ /min |
| air supply pressure |
0.4-1.0Mpa |
0.6-1.0Mpa |
| Dry ice blasting rate |
0-0.5KG/min |
0-1.0KG/min |
| Dry ice capacity |
5-7.5KG |
12-15KG |
| Dry ice state |
3mm granular |
3mm granular |
| Motor power |
0.37kw |
0.37kw |
| Dimensions (L x W x H) |
512 * 643 * 800 (mm) |
650 * 693 * 900 (mm) |
| Equipment weight |
65KG |
80KG |
| Power supply equipped with |
AC220V/50HZ |
AC220V/50HZ |
| Standard accessory 1 (air connection pipe) |
8m Φ 12mm compressed |
8m Φ 12mm compressed |
| Standard accessory 2 |
Gun handle |
Gun handle |
| Standard accessory 3 |
straight nozzle |
straight nozzle |
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