Specialized solutions for the iron and steel, metal-working and processing industries

We make air work on your behalf Air is the medium we work with. Research and development, planning and consulting, manufacturing and service, whatever we do, the emphasis is on innovative air technology. Venti Oelde plants and components are used for collecting, handling and filtering of air, vapours, gases, dust and airborne solids. An enthusiastic, experienced and knowledgeable team, numbering 250, ensure that individual customer requirements are implemented under economically expedient aspects. The resulting solutions are innovative, efficient, costeffective and forward-looking. They are appreciated...

The conceptual range of available industrial fans includes high-efficiency fans to handle gas and dust and heavy-duty fans for dust-laden process gas or clean air. These also number specially designed fans to circulate hot gas with a temperature to 1000 °C and high-pressure fans to handle gas, dust-free air, chips and other material. The field of dust collection technology includes the capture, handling and filtering of dust or solid particles out of air and process gases. The primary elements of the quotation are the planning, manufacture, assembly and commissioning of air-handling plants using...

The iron and steel, metal-working and processing industries Every sector has its own specific processes, and these generate the wide-ranging individual demands placed on dust collection technology by the iron and steel, metalworking and processing industries. Dust capture and filtration systems and fans are vital for many processes, including casting, rolling, grinding, milling, cutting, coating and raw material recovery. As an experienced system supplier, Venti Oelde has an intimate knowledge of the often complex techniques involved in metal-working and processing. A comprehensive range of air...

Why not make use of our specialist knowledge and expertise right from the earliest planning stages? That way we can achieve the highest levels of efficiency, in other words the best possible results coupled with the greatest possible energy savings. This is the reason why Venti Oelde always focuses on overall, integrated system solutions in which the functional interaction of all components is a key feature. At the same time, we do not rely exclusively on existing system components; new and advanced developments guarantee users problemfree operational processes in which appropriate technologies...

Preparing the blast furnace feedstock Large fans are indispensible in the metal-working and iron and steel industries. All round the world, in sintering, pelleting, dust collection and gas purification systems, in furnaces, pickling and directreduction plants, they work tirelessly, conveying vast volumes of gases, some of them laden with dust, others inflammable. Our fans offer outstanding heat and wear resistance, quiet running, minimal dust build-up, corrosion resistance, low noise levels and, where required, gas-tight designs. Because technical, material and mechanical demands are complex...

Photo: Salzgitter Flachstahl GmbH Previous set-up Optimisation The tip speeds of large fans often approach the limits of the physically possible. For years at Venti Oelde we have researched the stability and yield strength of materials at different temperatures, established reference values and introduced our own safety standards. We plan, dimension and manufacture fans for permanently high demands on the basis of FEM computation. When using large fans, the interfaces to the plant are of decisive importance. Because of this, Venti Oelde will, on request, provide the entire engineering package,...

Primary and secondary metal production Extraction from crucibles, furnaces, baths, moulds, blast cleaning booths, cooling lines and so forth requires individually tailored solutions, and Venti Oelde can boast an array of relevant references bearing on these specific demands.

Venti Oelde offers a wide range of filter systems for the extraction of process gases and dust. Depending on customer requirements, Venti Oelde produces industrial filters in galvanised, coated or stainless-steel versions, always with a minimum housing thickness of three millimetres. If a tight seal is particularly important, the interior joints can be welded. Venti Oelde industrial filters are suitable for both indoor and outdoor use. For dusts in hot gases up to 250°C, we equip our filters with filter media suitable for high temperatures. We allow for the pronounced heat expansion through various...

Metal manufacturing processes There are many different metal manufacturing processes, ranging from shaping, cutting, joining and coating to changing the material properties, for instance hardening. The crucial tasks are emission and immission protection. Venti supplies complete systems for every task, including central extraction with and without material collection, work booths and sound insulation. Venti also produces complete ventilation and air extraction systems plus heat recovery for booths and production halls. Rolling steel or aluminium involves rolling out preheated bars into long, thin...

For the different sheet metal and metal foil coating processes, Venti Oelde manufactures continuous-flow and chamber dryers designed specifically for the individual application. These continuous-flow dryers are used for applications ranging from drying watermoistened sheet metal to coilcoating processes and drying high-quality surface coatings under clean room conditions. Special attention is given here to the dryers’ central component, the air nozzle. The optimum nozzle for the drying process can be determined through flow simulations.

Metal manufacturing processes During coating, for instance by flame spraying, electroplating galvanising or hot-dip galvanising, exhaust air contaminated with gases and dust is produced. The volume and composition of the exhaust air produced during hot-dip galvanising depends primarily on the flux used which vaporises during the galvanising process, as well as on the other preparation processes (degreasing, pickling and drying). Venti Oelde supplies complete filter systems for the effective extraction of exhaust air from galvanising or zinc baths. Collection is either via surface extraction or...