Agriculture, Hoppers, Silos

NetterVibration gets grain moving

NetterVibration Australia has a range of products that can help get grain flowing from almost any silo.

When grain doesn’t fully discharge from a silo, it can create all sorts of problems. In addition to the productivity loss, the remnants may germinate and could contaminate any new product fed into the silo.

NetterVibration has designed an effective way of dealing with silo-based flow problems with the use of industrial vibrators.

It can provide pneumatic linear vibrators that are attached to the silo wall or, in the case of sloping floor silos, underneath the floor.

NetterVibration Australia’s range includes electric, pneumatic and hydraulic vibrators, with force outputs from 14N to in excess of 170,000N.

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But one size does not fit all, which is why the business works with the customer to find the most efficient and economical model for the specific application.

John Isherwood, managing director at NetterVibration Australia, said the company works closely with its customers to find the right vibrator for the job.

“If they send us the size of a silo, the type of material being stored, and any other information that might be necessary, we can then get to work finding the right solution,” he told ABHR.

When it comes to grain storage, installing a pneumatic linear vibrator may have different requirements than materials like iron ore. Attaching vibrators presents an issue on grain silos, as they often have thinner walls.

Isherwood said there are two ways in which this problem can be overcome.

“For a permanent mount, the vibrator can be attached to the silo using a special glue method developed by NetterVibration, from their 70 years of experience in vibration technology,” he said. “However, the VacMount method is most suitable when several silos are involved, as the unit can be easily moved from silo to silo. The vibrator is mounted to a plate which itself has vacuum suction cups mounted on the other side.

“Only one airline is required, with a split feed to the vacuum generator and the vibrator. Both are independently controlled, with frequency and amplitude of vibration also independently controlled. 

“The whole system can be driven by a suitable portable compressor.”

Various sizes of vibrators are available together with VacMounts to suit. The vibrators are manufactured to extremely high quality in Europe, with ATEX rating as standard on most electric models, and rating 1 and 2 available to order on all models. Stainless steel versions are available for food industries and for aggressive atmospheres.

The company has been manufacturing vibrators for 70 years, supplying the Australian market since the 1970s.

Isherwood said the business focuses only on vibration, developing a specialist expertise over this time.

“It’s a global company, with seven branches and about 40 agents located around the world that share knowledge and support.”

“We work close with customers to find them the most suitable, economical models for the application.” 

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