A concrete blasting machine is the tool you use when the surface absolutely must be clean. Not wiped, not scrubbed, but clean down to the pore level. It is the equipment that makes coatings stick, that removes years of grime, and that creates a profile where one did not exist before. Unlike stationary industrial blast cabinets that only handle small workpieces, this mobile floor shot blaster travels freely across flat or gently sloped pavement, processing continuous wide strips without repeated repositioning. The self-contained abrasive recycling and dust capture system eliminates open-air debris scattering, a key advantage for job sites with strict environmental compliance standards. Every unit supports variable forward travel speed, letting operators adjust surface etching depth to match each project’s coating adhesion or anti-slip texture specifications.
Concrete Blasting Machine Parameters:
| Model | YG-270(Single) | YG550/600(Double) | YG-850(Double) | |
| Shot Blasting Wheel Diameter | 200mm | |||
| Working width | 270 mm | 550/600 mm | 800 mm | |
| Walking speed | 0.5~20 m/min | 0.5~33 m/min | ||
| Concrete surface cleaning efficiency | ≥180 m2/h | ≥400 m2/h | ≥600 m2/h | |
| Steel plate surface cleaning efficiency | 15-25 m2/h | 75-100 m2/h | 100-160 m2/h | |
| Dust connection pipe diameter | 120 mm | 150 mm | ||
| Suggest the diameter of steel balls | 1.2-1.5 mm | 1.5-1.8 mm | ||
| Steel pill consumption | 10 g/m2 | |||
| Supporting dust collector | Seven-core automatic backflush vacuum cleaner | Eight-core automatic backflush vacuum cleaner | ||
| Shot wheel motor | Power consumption | 11 kW | 11*2 kW | 15*2 kW |
| Input Current | ≤ 15 A | ≤ 22*2 A | ≤ 28*2 A | |
| Walking motor | Power consumption | 0.5 kW | 1.5 kW | |
| Input Current | 1 A | 3 A | ||
| Size (mm) | 1000*300*1100 | 1950*720/775*1400 | 1950*1020*1550 | |
| Weight | 150 kg | 570 kg | 700kg | |
| Power connection requirements | Supporting the dust collector | |||
Concrete Blasting Machine: 3 Width Sizes For All Projects
1.YG-270 Single Shot Wheel Compact Model
The entry-level 270mm working width unit runs on a single 11kW shot wheel motor paired with a 0.5kW walking drive motor, delivering a concrete surface cleaning efficiency of a minimum 180 square meters per hour. Its compact 1000×300×1100mm outer frame and 150kg total weight make it the most maneuverable concrete floor shot blasting machine for narrow pathway repairs, small bridge deck touch-ups and residential pavement renovation work. The 120mm dust extraction pipe pairs with a seven-core auto-backflush vacuum dust collector, and it accepts 1.2–1.5mm diameter steel shot media with a 10g per square meter abrasive consumption rate.
2.YG-550 / 600 Dual Shot Wheel Mid-Size Model
The dual-wheel 550/600mm width unit doubles core processing power with twin 11kW shot wheel motors and a 1.5kW walking motor, pushing concrete surface output to no less than 400 square meters each hour. This balanced mid-range floor blasting machine strikes the ideal balance between portability and throughput for standard municipal road strip removal, medium airport runway maintenance and multi-lane asphalt texturing projects. The 150mm dust pipe connects to an eight-core automatic backflush vacuum cleaner, and it operates with slightly larger 1.5–1.8mm steel shot to speed up heavy surface residue stripping.
3.YG-850 Heavy-Duty Wide Format Dual Shot Wheel Model
The flagship 850mm maximum working width unit carries two 15kW shot wheel motors for maximum hourly output of 600 square meters of concrete surface treatment, built for large-scale airport runway recertification, full bridge deck waterproof priming and commercial asphalt highway resurfacing prep. This heavy-duty floor shot blaster covers wide pavement strips in a single pass to cut total project time drastically, with reinforced frame construction to withstand nonstop multi-day shift cycles common on major infrastructure contracts. We design its enlarged 1950×1020×1550mm frame and 700kg overall weight for fixed depot storage and flatbed haulage across major construction sites.
Steel Shot Consumption: What It Costs to Run the Machine
The YG series concrete blasting machine uses steel shot as the abrasive media. The machine recycles blasting media internally, yet abrasion consumes part of it, so users need to add new media as replacements.
The consumption rate is approximately 10 grams of steel shot per square meter of concrete. This means one ton of steel shot covers approximately 18,000 square meters of concrete surface.
For a 5,000 square meter warehouse floor, the steel shot consumption would be about 50 kilograms. At typical steel shot prices, this is a small fraction of the total project cost. The closed-loop recycling system minimizes waste and keeps consumable costs low.
The shot size depends on the surface and the desired profile. For concrete surfaces, 1.2- 1.5 mm shot is standard. For deeper profiles or removing heavy coatings, 1.5- 1.8 mm shot is recommended. And for steel surfaces, the larger shot sizes are typically used to achieve the required anchor pattern.
Surface and Weather Requirements for Concrete Blasting Machine
1. Surface Flatness: Must Be Within 10mm
The machine rides on wheels and needs an even surface. If the floor has dips, cracks, or uneven areas exceeding 10mm, the machine bounces. High spots get blasted too deep. Low spots barely get touched. This creates an uneven surface profile that coatings will not bond to properly. For surfaces worse than this, grinding or patching is required before blasting.
2. Surface Must Be Completely Dry
Water is the enemy of shot blasting. It cushions the impact of the steel shot, drastically reducing cleaning efficiency. Worse, moisture mixes with dust inside the machine, forming a sticky paste that clogs the recycling system. The floor blasting machine cannot operate on wet or damp surfaces without risking serious damage.
3. Humidity Limits
For concrete work, humidity must stay below 95%. For steel surfaces, it must stay below 90%. Exceeding these limits causes moisture to condense on the surface. This creates flash rust on steel surfaces in minutes, ruining all surface preparation and forcing crews to redo the work.
4. Slope: Must Be Under 25 Degrees
Steeper slopes affect the machine’s traction and dust collection seal. The concrete floor shot blasting machine loses grip, and the dust seal fails to stay tight against the surface, allowing dust to escape. While the machine may still operate, the quality of work and dust recovery efficiency both drop noticeably.
5.Temperature Range: -20°C to 60°C
The concrete blasting machine is built to handle typical construction site temperatures. Below -20°C, hydraulic fluid thickens and components slow down. Above 60°C, cooling becomes insufficient and the machine risks overheating. Both extremes shorten the machine’s service life.
6. Altitude: Up to 3000 Meters
Above 3000 meters, air density drops. The dust collection system loses suction power, and the machine’s cooling efficiency decreases. For high-altitude sites, confirm operating conditions with the manufacturer before starting.
