A concrete shot blasting machine is a self-propelled surface treatment device that projects steel shots onto floor surfaces at high speed to clean and roughen the base material. It removes concrete laitance, old epoxy coatings, rust on steel plates and road markings, while creating a uniform rough profile to boost coating adhesion. Unlike manual grinding tools that produce heavy dust and uneven results, this equipment completes cleaning, roughening and dust collection in one single pass. It has become standard equipment for flooring contractors, bridge maintenance teams and municipal construction crews to deliver high-quality base preparation.
Many project teams face common pain points such as extended construction periods, unstable surface quality and dust pollution complaints during floor treatment. A professional floor shot blasting machine solves these issues by integrating blasting, shot recycling and dust removal into a closed working system. Operators can adjust walking speed freely to match different base materials and treatment requirements, ensuring consistent processing quality across large construction areas.
Concrete Shot Blasting Machine Technical Specifications:
| 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 | |||
Structure And Working Principle of Concrete Shot Blasting Machine
Understanding the internal structure helps operators maximize floor blasting machine performance and carry out proper daily maintenance. The complete set consists of two main parts: the blasting host and the matched dust collector.
Blasting Host Core Components
The main unit houses all core blasting and walking components to execute continuous surface processing.
- Blasting wheel and control cage: The 200mm diameter blasting wheel accelerates steel shots to high speed, and the control cage adjusts the projection direction to ensure accurate blasting coverage. These two parts are also the main wear components during long-term operation.
- Blasting motor and walking motor: The blasting motor provides power for shot acceleration, while the walking motor drives the floor shot blasting machine forward at adjustable speed. Separate drive systems allow independent control of blasting intensity and moving speed.
- Electric control box and hopper: The electric control box integrates all operation buttons and parameter adjustment functions. The storage hopper holds steel shots and feeds them continuously to the blasting wheel to maintain uninterrupted operation.
Matched Dust Collector System
The dust collector works with the blasting host to achieve dust-free construction. It includes a fan, air compressor, filtration system and dust storage unit. The system draws dust and used shots back from the working area, separates reusable steel shots from fine dust, and sends clean shots back into the circulation. Automatic backflush filter cleaning keeps suction performance stable during long working hours without frequent manual cleaning.
Advantages of Concrete Shot Blasting Machine
1. High And Controllable Processing Efficiency
The concrete shot blasting machine delivers stable and predictable processing speed for different materials. For concrete surfaces, efficiency ranges from 180 ㎡/h for single-head models up to 600 ㎡/h for heavy-duty double-head models. For steel plate rust removal, efficiency covers 15 to 160 ㎡/h based on model specifications. Adjustable walking speed from 0.5 m/min to 33 m/min allows operators to slow down for heavy contamination or speed up for light cleaning, giving full control over project progress.
2. Fully Enclosed Dust-Free Operation
The closed-loop blasting and recovery system prevents dust diffusion during the entire working process. Matched automatic backflush vacuum cleaners maintain strong suction continuously. For indoor commercial projects and urban road construction, this floor blasting machine avoids dust complaints from surrounding businesses and residents, and also protects frontline workers from excessive dust exposure.
3. Uniform And Predictable Surface Profile
Every pass produces consistent surface roughness, which eliminates quality fluctuations caused by manual operation differences. The uniform profile creates ideal conditions for subsequent epoxy coating, waterproof layer and paint application, directly improving coating adhesion and extending coating service life. Contractors can quote projects with clear quality standards without worrying about uneven surface results.
4. Low Consumable Loss During Operation
Steel shot consumption stays at approximately 10 grams per square meter under normal working conditions. Recyclable steel shots circulate inside the machine repeatedly, which reduces continuous consumable input. Standardized wear parts also make later maintenance simple and low-cost, without requiring special customized components.
Wear Parts Replacement Cycle Reference
Different components have different service lives under normal working conditions.
- Blasting wheel and control cage: These core wear parts have a service life of around 20,000 square meters. Timely replacement maintains stable blasting force and avoids uneven surface treatment.
- Protection plates: Top, side, rear and middle protection plates have an average service life of about 50,000 square meters. Regular visual inspection is sufficient, and replacement can be arranged according to actual wear condition.
- Filter cartridges: Clean them regularly with the automatic backflush function, and replace them when suction drops obviously. Standard-sized cartridges are easy to source locally.
Concrete Shot Blaster For Sale
YG Machinery focuses on developing and manufacturing reliable industrial surface treatment equipment. Every concrete shot blasting machine undergoes complete running testing before delivery to ensure stable performance under long working hours. We adopt mature structural design and standard wear parts, so customers can carry out daily maintenance independently without relying on specialized on-site technicians. If you are looking for a reliable concrete shot blaster for sale, or need professional advice on model selection, send your project details to our team. We will provide detailed parameter sheets and professional selection suggestions to help you pick the most suitable equipment for your construction needs.
