POWERFUL DUST SUPPRESSION CANNON USES SALT WATER www.engineeringnews.co.nz 41 Dust suppression is a major problem in many Australian and New Zealand industries and often relies on easy access to clean, fresh water. But in some locations, it can be costly or impractical to pump clean water to the site. That’s when the revolutionary V22 dust cannon becomes a cost-effective alternative. Designed and manufactured in Italy, the V22 salt dust cannon provides a powerful and environmentally-friendly solution. It is designed to use saline or salt water without the risk of rapid corrosion of components. This makes it unique and a real winner in the materials handling, ship loading and mining industries where its powerful, energy efficient turbine makes the unit ideal for controlling dust. The patented nozzles generate a fine atomised mist which binds dust particles to prevent them from spreading. The V22 Salt has an 80 metre throwing range with 90% saturation (without wind). Alternatively, the turbine can be turned off for more delicate close range dust suppression. test rigs. Bearings up to 3.5 meters in outside diameter can be tested on one of the most state-of-the-art and biggest large-size bearing test rigs in the world. Astraios simulates the real loads and torques that occur in a wind turbine. Schaeffler uses these realistic simulations to contribute decisively to a faster and more reliable design of wind turbines and increases their cost-effectiveness and safety. Asymmetric FAG spherical roller bearings for increased axial load carrying capacity: Asymmetric FAG spherical roller bearings feature a larger contact angle on the bearing row subject to axial loads and a smaller contact angle on the bearing row subject primarily to radial loads. The asymmetric contact angles reduce sliding movements in the drive train through an even higher axial rigidity of the bearing. A lamellar, amorphous hydrocarbon coating, Triondur C, provides the bearings with reduced friction and high wear protection under mixed friction conditions. Innovative solutions against white etching cracks (WEC): Schaeffler has extensive testing options to create WEC, investigate their causes, and develop solution concepts for reducing the danger of WEC. These could, for example, be an optimised design of the bearing, the selection of a WEC-resistant material, or even an improved lubrication concept. The product solutions recommended by Schaeffler are through-hardened, black oxide coated rolling bearings. Along with other advantages, the Durotect B coating offers increased protection against WEC, which is statistically proven through extensive field experience. High system availability thanks to condition monitoring: Schaeffler offers comprehensive services and products for condition monitoring, such as remote monitoring and diagnosis, offline measurements, endoscopy, thermography, and torque measurement. These technologies allow the costs for maintenance measures to be reduced and the availability of wind turbines increased. It has low noise emissions at just 63dB at 20m which is incredible for such a powerful dust cannon. The V22 Salt is fully automated with a 360° programmable oscillation angle. The manufacturer of the cannon proudly states it is the most modern, energy efficient dust controlling machine on the market. Australian distributors, Tecpro Australia agree. Patrick Cooper, a technical consultant at Tecpro says, “There are a number of different fan-blown dust suppressors in the marketplace, but theV22 Salt is only one that can use salt water to generate the mist. This feature makes these units ideal for ship loading applications or mine sites where freshwater is a valuable commodity.”
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