Our stainless steel industrial centrifugal fans have recently been put to good use at a mushroom sector company with ambitions to fully commit to circular agriculture and sustainable processes. Slingerland held extensive consultations with the client in question to arrive at the perfect final solution. Continue reading to find out all about it.
Slingerland’s stainless steel centrifugal fans have recently been put to good use to contribute to circular agriculture in the mushroom supply chain. Our client, already one of the most high-tech mushroom growers in the world, had the ambition to modernise its processes even further. Their aim is to grow mushrooms in a more environmentally conscious way, and they’re doing so by finding high-quality applications for the residual flow of the growing process via mushroom compost, in addition to generating their own energy. To achieve that ambition, the company started building a biomass plant and mushroom compost drying facility, at which our industrial fans play a crucial role.
At this mushroom compost drying facility, our stainless steel centrifugal ventilators are used to work alongside a conveyor belt dryer. During this process, the mushroom compost is dried before being turned into pellets. These pellets can then be used as a sustainable substitute for artificial fertiliser, which completes the cycle in a really neat way! The energy for the drying facility is provided by a biomass plant that supplies heat and electricity generated from regional wood cuttings obtained from sustainable woodland management.
For this project, Slingerland supplied eight stainless steel centrifugal ventilators, each with a capacity of 150,000 m3/h at 1200 Pa at 60°C. These industrial fans come equipped with a 110kW six-pole WEG motor. The parts that come into contact with the airflow are made of grade 304 stainless steel, and the motor bracket, which is made of normal steel, has a special coating. The fans are manufactured to ATEX standard with EX inlet cones suitable for use in Zone 22.
The Class III stainless steel impeller is fitted with backwards-curved blades, including counter blades on the rear side to create negative pressure at the shaft passage and to reduce dust build-up at the shaft seal. In addition, these stainless steel centrifugal fans are fitted with a copper-ring shaft seal suitable for ATEX situations and resistant against high temperatures. The fans are also equipped with aluminium cooling fans for extra motor cooling.
Finally, two inspection hatches are fitted to the fan casing to allow for regular inspection and cleaning. An IFM EX speed sensor has also been fitted to provide extra protection against overspeed. The fan casing is manufactured in three sections for easier transport and is simple to maintain. An FAT test was performed upon delivery, including a running test at maximum RPM. We delivered the fans with balancing reports, material certificates, coating certificates and a sensor function test.
Our grade 304 stainless steel centrifugal ventilators offered the perfect solution to this unique situation. They’ve also found another fantastic application in fibre drying (see this similar project), and they were the perfect fit for this animal feed drying installation. If you’ve got a project or company at which our industrial fans can lend a helping hand, we’d be happy to sit down run through the options during a no-obligation appointment!
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