Endless Steel Belts for Highest Demands in Sulfur Processing

Related Vendors

DÜPERTHAL Sicherheitstechnik GmbH & Co. KG

Italvacuum, Srl

ProMinent GmbH

Berndorf Band Group

Additional Information

Pastillators and More: Steel Belt Accessory Equipment

Comprehensive accessory equipment for steel belts rounds off Berndorf’s product portfolio.

Pastillators

The AccuDrop is a system for pastillising sulphur and other chemicals and offers a high production performance, meeting at the same time high quality and environmental standards. The system works without water or air, thus avoiding the biggest danger areas regarding the environment, namely sulphur emissions and dust.

The Rolldrop converts melted products into pastilles with a diameter of between 5 and 10 mm. This technology can be used with almost any product between 5 and 10 000 mPas. The advantages of this system are the easy cleaning, which enables quick product changes, low-cost seals, easy assembly and also quick and low-cost maintenance.

The Rollomat system can be used for melt products with a viscosity between 15 and 30 000 mPas. It is ideal for products with a higher melting point, needs lower product input temperatures and covers a wide range of applications.

Vee-ropes and product-retaining strips

Steel belts with vee-ropes can be supplied open or endless, and save, in many situations, elaborate belt control units. Both the vee-rope and the steel belt go through special treatment before gluing in order to guarantee perfect adhesion.

Product-retaining strips on the product side prevent media in transport flowing away. These too are pre-treated with special Berndorf know-how and glued on.

Applications: From Sulfur to Formula 1

Whether as process or transport belts, whether in stainless steel, carbon steel or titanium, whether endless, polished or ground, whether with vee-ropes or product-retaining strips — the range of applications of Berndorf belts is wide. In the chemical industry, the belts are used primarily in belt coolers and drying installations. The particularly important features here are outstanding mechanical, physical and geometrical characteristics such as precise tracking, top corrosion resistance and dimensional stability.

In the foodstuffs area, endless belts are used mainly as belts for bakery ovens and in the transport system in sorting plants. In the wood and laminates industry, the belts are the core of double-belt presses. And they have even made their way into the car industry: Car manufacturers use Berndorf Steel Belts in tire testing installations and wind tunnels to identify the optimum aerodynamic form for the cars of tomorrow.

A wide area of applications is reflected in the variance in the belt speeds. While typical cooling belts for the pastillisation of sulfur run at a rather relaxing 40 metres per minute, the special belts in the wind tunnel get up to a pacy 80 metres per second.

Apropos cars: the Ferrari among the steel belts are high-gloss polished stainless steel belts for film-casting installations. With these systems, solvent-based products, such as optical foils used in LCD-TFT screens, can be produced. For safe handling of a first-class product, perfect surfaces and smooth running characteristics are decisive factors.

The most challenging customers so far, in Garherr’s view, come from the chemical industry, however. For BASF, Berndorf developed a specially moulded belt used in producing the refinery chemical Oppanol, a polyisobutene with a medium to high molecular weight. In the process, a chemical reaction between two fluids takes place on the belt at a temperature of -100 °C. This application proves “that in the chemicals field the users are the driving force behind innovation,” Garherr tells us. With Berndorf, they have come to the right address.

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