Stručný úvod pro zapečetěné fanoušky

Sealed fan is a fan specially designed for the sealing air of coal mills and feeders in positive pressure direct blowing systems. It is used to prevent the gas powder mixture with coal powder from leaking out of the equipment and polluting the environment or entering the spring loading device grinding roller bearings, causing bearing failures. The function of the sealed fan is to provide cold air with a pressure higher than the primary air pressure for the coal Mill of Poedation Direct Flowing Powder System, aby splňoval požadavky na utěsnění uhelného mlýna . Centrifugální ventilátory se používají pro utěsnění ventilátorů .