This equipment completes a series of complex processes in one pass—removing surface laitance, roughening, and exposing cracks—using high-speed steel shot blasting, providing efficient solutions for road maintenance, bridge and tunnel engineering, and airport runway construction.
The equipment is self-propelled, equipped with a tracked or wheeled walking system. During operation, the shot blaster propels steel shot at high speed onto the ground, removing surface laitance and impurities through impact. The shot is automatically sorted and recycled by the recovery system. A built-in vacuum recovery device simultaneously collects residues, achieving dust-free operation during construction.
• Multi-level control system: Precisely controls shot blasting intensity, travel speed, and roughness level.
• Synchronous recovery design: Shot recovery rate exceeds 95%, significantly reducing material consumption.
• Intelligent monitoring device: Real-time display of parameters such as processing depth, travel speed, and work efficiency.
• Modular structure: Major components adopt a quick-assembly and disassembly design for easy transportation and on-site relocation.
This equipment is widely used in the following scenarios:
* Base surface treatment before bridge deck waterproofing layer construction
* Restoration of anti-skid performance of highways and municipal roads
* Degumming and surface texture reconstruction of airport runways
* Renovation of industrial floors
* Rust removal and roughening treatment of steel plate surfaces
The surface treated by the equipment exhibits a uniform rough texture, achieving the following technical indicators:
* Surface cleanliness: Completely removes laitance, oil stains, and other adhering substances.
* Roughness control: Precisely adjustable within the range of 0.3-1.2 mm.
* Crack exposure: Clearly reveals the original micro-crack network of the base surface.
* Processing efficiency: Processing area can reach 200-800 square meters per hour.
• Fully Enclosed Operating System: Effectively controls dust diffusion
• Three-stage filtration device: Emission concentration below 15 mg/m³
• Low-noise design: Meets urban road construction noise standards
• No chemical pollution: Purely physical treatment process, produces no harmful substances
The equipment is equipped with a user-friendly operating platform and a touchscreen control system, featuring:
* Parameter preset function: Stores multiple road surface treatment schemes
* Automatic correction system: Ensures the straightness accuracy of the treatment trajectory
* Fault self-diagnosis: Real-time monitoring of equipment operation status and early warning
* Remote monitoring interface: Supports data upload and remote technical support
• Multiple protection devices: Includes emergency stop system, overload protection, anti-rebound guard plate, etc.
• Automatic obstacle avoidance function: Automatically stops shot blasting operation upon encountering obstacles
• Anti-slip design: Highly adaptable to special road surfaces, stable and reliable operation on slopes
• Warning System: Equipped with audible and visual alarm devices and construction warning signs.
Qingdao Puhua Heavy Industry provides professional services for each piece of equipment:
On-site Guidance: Technical personnel provide on-site guidance until operators are proficient.
Customized Solutions: Specialized construction plans are developed based on project characteristics.
Spare Parts Supply: Eight spare parts centers nationwide ensure timely supply.
Regular Inspections: Equipment files are established, and preventative maintenance services are provided.
This equipment has been successfully applied to several major engineering projects:
Hong Kong-Zhuhai-Macau Bridge Steel Bridge Deck Treatment Project
Beijing Daxing International Airport Runway Maintenance
Multiple Highway Cement Pavement Renovation Projects
Urban Underground Tunnel Waterproofing Projects
With the continuous improvement of infrastructure maintenance standards, the application of mobile road shot blasting machines in the field of road maintenance continues to expand. Qingdao Puhua Heavy Industry will continue to promote technological innovation and develop more intelligent and efficient road treatment equipment to provide strong support for my country's transportation infrastructure construction.
