Ideal for large steel structures, ships, bridges, aerospace, military products, rail equipment, wind turbine towers, port machinery, oilfield equipment, construction machinery, mining equipment, textile machinery, special-purpose vehicles, large castings, and the inner and outer surfaces of steel pipes—surface rust removal.

Suitable for large steel structures, ships, bridges, aerospace, military products, track equipment, wind turbine towers, port machinery, oilfield equipment, construction machinery, mining equipment, textile machinery, special-purpose vehicles, large castings, and the inner and outer surfaces of steel pipes—surface rust removal.

Principle Overview:

The internal chamber of the sandblasting room forms an air flow layer from top to bottom under the influence of wind, while the abrasive material is jetted onto the workpiece surface by compressed air to cut away chips. Some of the abrasive chips break down into dust, which is then carried by the downward airflow and re-mixed with the abrasive material and rust particles, returning to the sorting system via the honeycomb back-sanding floor. After sorting, reusable sand is returned to the storage bin and automatically added to the sandblasting system for recycling based on demand; dust and impurities that cannot be reused are transported to the dust collector for fine filtration. The dust settles in the waste bin and is recycled, while the filtered gas is re-released into the atmosphere or reused in the sandblasting room. The entire process is sealed, with no dust leakage, ensuring safety and environmental protection.

Mechanical circulating sandblasting room complete set mainly consists of the sandblasting room body, lighting system, air dynamic recovery floor, separator, sandblasting system, dust collector, fan, control system, workpiece conveying system, and operator protection system.

Features of Mechanical Recirculating Sand Blasting Booth:

★Environmental Protection: The fan is driven electrically, ensuring cleanliness and no pollution. Sandblasting is performed in a sealed environment, and sand is recycled through enclosed pipelines, preventing any leakage of sand or dust that could cause surrounding pollution. Dust is filtered through a filter core dust collector, with the exhaust gas concentration after filtration exceeding national emission standards.

★Automatic Recirculation: The system utilizes an aerodynamic floor for sand material automatic recirculation.

★ Dual-purpose: The wind generated by the fan not only meets the requirement for conveying sand material but also serves as a system for dust removal.

★Automatic Sorting: The separator uses the principle of pneumodynamics to effectively sort sand, impurities, and dust. The reusable sand is returned to the storage bin, while the non-reusable dust and impurities are transported to the dust collector for refined filtration.

★ Filter Core Dust Removal: The system employs filter core dust removal method, with high filtration efficiency.

★ Imported Filter Media: Made from imported long fiber materials, the filter cores offer a large filtering area, with each core having twice the filtering area of a standard filter core.

★Automatic Control: Automation is achievable for sand recycling, sorting, nozzle control, dust removal, and sandblasting pot operations. The system features automatic fault alarms and prompts.

High Integration: The control system utilizes PLC + touch screen display, enabling both automatic operation mode and manual control mode.

★High-Efficiency Cleaning: Equipped with a high-pressure dual-cylinder continuous sandblasting machine, each nozzle can clean up to 10~30 m²/h.

Compared to traditional shot blasting rooms, it boasts the following distinctive features:

1. No need for deep excavation (or no pit required), low infrastructure costs, and short construction period.

2. Equipped with sand-suction flooring, it eliminates the need for traditional conveying equipment such as conveyors, belt machines, and bucket elevators. This design prevents wear, clogging, and other issues caused by sand and dust on conveying equipment, bearings, and motors during sand material transportation and lifting. It boasts a low failure rate and requires minimal maintenance work.

3. Equipped with abrasive separation and sorting equipment, the abrasive is automatically recycled, improving utilization rate and sandblasting cleaning efficiency.

4. The abrasive recycling separation, sorting, and dust removal systems share a single fan, utilizing it for multiple purposes, which saves 30% of energy compared to traditional shot blasting rooms.

5. The sandblasting system allows multiple high-speed nozzles to operate with a single sand pot, each nozzle can be controlled independently, achieving high sandblasting efficiency, and the working pressure can be infinitely adjusted.

6. Utilizing carbide-toughened sandblasting nozzles with an average lifespan of 800-1000 hours.

7. The shot blasting room can utilize various materials and grain sizes of abrasive media simultaneously (such as steel shots, glass beads, steel grit, quartz sand, copper ore sand, yellow sand, fruit shells, etc.), meeting different process requirements.

8. The indoor air circulation in the shot blasting (bead) room moves from top to bottom, with bright lighting, comfort, and high visibility.

9. Utilizing filter core dust removal technology, the dust emission from the sandblasting (pellet) room is significantly lower than the national environmental protection requirements.

10. The sandblasting (bead) room is constructed with foam core sandwich color steel panels, featuring soundproofing capabilities, aesthetics, durability, and airtightness.

Dust Separation System

The material and dust recovered from the honeycomb flooring must be separated by a sand-dust separator before the sand can be recycled. The efficiency of the sand-dust separator directly affects the sandblasting performance of the sandblasting machine and the filtration performance of the dust collector.

The sand separator utilizes a two-stage air separator specifically designed for our sandblasting systems. The first stage is a unique cyclonic inertial separator, and the second stage is an air-blowback separator. It efficiently sorts the returned reusable sand, crushed sand, dust, scale, and other impurities. The whole sand is returned to the shot blasting machine for continuous recycling, while the dust and fine sand are sent to the dust collector, filtered, and stored there for periodic cleaning.

By adjusting the regulating mechanism on the sand dust separator, the size of the separated sand particle diameter can be controlled. Custom-made sand dust separators can achieve grading, segmented (different particle sizes), and round selection of sand particles.