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Vertical Roller Mill & Boiler Repair
Vertical Roller Mill Repair
We can extend the lifetime of VRMs by as much as 100%
In the 70s, vertical roller mills became increasingly dominant for grinding raw materials mainly for the cement industry due to their high energy efficiency and excellent drying capacity. For many years, Castolin Eutectic´s expert know-how, together with our state-of-the-art technologies, have been used to repair VRMs throughout the world, increasing dramatically their lifetimes.
Maintenance and repair of VRMs is a highly technical and specialized business, which should be performed by experts. With the experience gained from repairs worldwide, Castolin Eutectic has developed its own specialized Vertical Roller Mill program, using specialist equipment, highly skilled technicians respecting our specific VRM welding procedure, and a unique TeroMatec EO8338 (open arc) wire developed in-house by our Castolin Eutectic laboratories.
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Excellent references
Together with our partners, during the last decades we have proved that preventive maintenance on VRMs can extend the lifetime by as much as 100%. Such VRM maintenance operations have been performed on over 60 VRMs, with 80% of on-site repairs, but also repairs in our workshops.
Our specialists are highly adaptable experts having worked on more than 30 different models of vertical roller mills for more than 20 cement and power companies throughout the world. From small VRMs (roller: Ø 1.65m and table: Ø 2.75m) to huge ones (roller: Ø 3.2m and table: Ø 5.5m), we have worked with most international cement companies. From producers such as Polysius, Loesche or FLS, we have been successful with many types of VRMs.
We are flexible! Jobs on-site or in our facilities
We have general purpose facilities in most countries, all fully equipped with “state-of-the-art” technology, and highly skilled technical specialists. Depending on your request, the job can be undertaken in our own facilities, as well as at your plant. When your Vertical Roller Mill component is too large to be moved for example, our CastoLab® Services maintenance experts will visit your premises to solve the problem on-site.
Specific equipment installation
Owing to our long experience with VRM repairs, we have developed a special equipment installation, from the traction systems through the earthing points to the power sources and controls. All equipment has been especially designed for VRM repairs.
Boiler Repair and Refurbishment
Extending boiler lifetime up to 3 times
Boilers are large and expensive installations which can suffer enormously from wear caused by corrosion and erosion, aggravated by very high temperatures. The exact type of wear experienced varies from one part of a boiler to another and is influenced by the overall design of the boiler and the type of combustible fuel.
Castolin Eutectic´s protective coatings significantly extend the service life of worn boiler components, making them last longer than uncoated new parts. Our protective coatings are a more cost-effective solution than replacement of the worn parts with new ones and offer direct savings in materials and valuable reductions in downtime. Additionally, Castolin Eutectic offers the widest range of coating products, so protection can be tailored against the specific combination of wear phenomena found in each part of every boiler.
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Excellent references
Together with our partners, during the last decades we have proved that preventive maintenance on boilers can extend the lifetime by as much as 2 to 3 times. Such maintenance operations are undertaken every day by our technicians, with 80% of them being on-site repairs and the rest workshop repairs.
Our specialists are highly adaptable experts having worked on a broad range of boiler designs for more than 20 years throughout the world. From Pulverized Fuel fired boilers to fluidized bed boilers, we have also been successful in supplying boiler manufacturers with new OEM parts produced on a regular basis with the unique Castolin Eutectic protective coatings.
We are flexible! Jobs on site or in our facilities
We have general purpose facilities in most countries, equipped with "state-of-the-art" technology, diverse process technologies and highly skilled technical specialists. Depending on your request, the job can be undertaken in our own facilities as well as at your plant. When your boiler components are too large to be moved for example, our CastoLab® Services maintenance experts will visit your premises to solve the problem on-site.
Flexible processes
Our experts can provide outstanding coating quality using a wide range of processes, from cold spraying, spray and fuse, wire spraying to HVOF. Thanks to our long experience with boiler refurbishment we have developed special equipment installations that addresses the issues of boiler access for on-site coating or full automation for OEM boiler coating work.
Wear and corrosion analysis
The latest state-of-the-art testing machines and facilities are essential to accurately measure and understand the complex relationship between chemistry, process and application.
We work with world experts in Technical Universities for testing and modelling in addition to having fully equipped labs with electron microscopes and wear test facilities.
New Materials development
Providing complete solutions for boiler maintenance and performance improvement is our goal. Thanks to our R&D department and the long experience in maintaining boilers, we have developed special products providing unbeatable wear and corrosion resistance: our NanoAlloys® as well as our range of unique powders and wires developed for boiler coating.
