Shot-blasting machine is a kind of shot-blasting equipment, which is applied to clean the surface of steel structure welding workpiece, H-style steel, plate and other profiles. It can clean away rusty spot, rusty scale, welding slag on the workpiece surface, as well as welding stress, in order to remove stress and improve surface lacquer quality and rot proofness of steel structure and steel.
1.The quantity of shot-blasting and arrangement mode both are calculated by computer mass ejection simulation. The 8 impellers are located at upper and lower, right side and left side, ensuring that the bunch of projectiles ejected by shot-blasting cover the most part of the steel surface, including the end parts. It makes sure that the effect of shot-blasting is overall and effective.
2.The system is a centrifugal peering shot-blasting, which is adopted in advantages of massive shot-blasting and high ejection speed. Both the quantity and the momentum of the projectiles ejected to the workpiece surface are highly improved in unit time. So it can shorten the shot-blasting time, and improves the efficiency, comes to a pleasing cleaning quality.
3.Dedusting system adopts filtration type of back flushing. Dust collector adopts folded dedust filter cylinder, and the dedusting area has increased. The filter cylinder adopts nano-meter fiber technology; dust collection efficiency is more than 99.99%, especially for dust particles with a diameter of 0.5μm. After efficient filtration, the air is clean and can be recycle used or indoor emission. The pulse controller can adjust the frequency, speed and intensity of ash removal, compared with domestic traditional bag type single grade dedusting system, it has advantages of high dedust efficiency, lower operation resistance, small volume, light weight, easy replacement and so on. Emission quantity meets the national emission standard.
4.Shot sand separation system adopts advanced full curtain type, it’s invented by company after a long time research. It’s especially for steel structure shot separation cleaning after blasting. The performance i achieves home and abroad similar product level. The separation combines both wind selection and screening together, separates dust, metal oxide scale fragments, broken sand, large particles from qualified projectile, and obtains clean steel shot.
5.Spring steel plates and resistance rubber complex figure type baffles are installed in the two ends of shot-blasting chamber, in order to prevent projectiles splashing. At same time, it decreases the area of chamber in and out ports, so enhances the effect of dedust.
6.Projectile clean-away device is installed in every out port of chamber, it can blow away remained projectile on workpiece, reduce the wastage of projectile, lower the leakage of projectile. To the complicated structure workpiece, operator can clean projectile at outside. Dust is absorbed by dedusting system. This system adopts self-circulation type to clean the surface.
7.Adopting the international advanced technology projectile controller. Not only can control projectile self-support. But also can through the control valves’work schedule regulate projectile’s flow rate. So as to realize it supply controllable and adjustable. It can guarantee no leakage projectile and jam phenomenon .Diversion safe and reliable.
8.Aim at different specifications, shapes and complex degree of steel. The roller running speed can use transducer to on-line adjusting. Make different parts can get cleaning effect.
Model of impeller head
Quantity of shot-blasting
Shot blasting speed
Length of input roller conveyor
Length of roller conveyor in chamber
Distance between roller conveyor out of chamber
Load capacity of roller conveyor
Capacity of shot conveying
Width of curtain
Steel shot diameter
Model of dusting system:
Wind speed of the gate
Handling volume of dusting system
Quantity of filter core
Filtering area (12×20)
Centrifugal ventilator Model
Centrifugal ventilator air volume
Centrifugal ventilator wind pressure
Centrifugal ventilator power
Cleaning system ventilator power
Whole machine air volume
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