Loading Spout Bellow

Polymer based coating of the outlet cone of the bellow serves as an effective sealing option against dust at the time of filing of the tanker. During this period, filter fan tends suctioning dust through the bellows when the tanker lowers its height under the effect of excessive material weight. The outlet cone is used to install level monitoring system. This monitoring apparatus sends alarm regarding the maximum level of material that can be stored inside the tanker and indicates about closing of silo outlet valve instantly. The bellow tends to get back its stand by position by contracting itself in case of delay for around 10 seconds occurs. Within this period, the filter is left to vacate remaining dust particles inside it. When the bellow is in its fully contracted position, cable limit switch located inside the transmission box ceases to function.  The filter cartridge is allowed to go through pulse jet cleaning process for 10 minutes. 

 Highlighted part is technical reference. 

• Inlet diameter: 300 mm - 1200 mm
• Maximum throughput rate: 250 m3/h (147 cfm)
• Operating temperature: -40 - 150 degree C (-40 - 300 degree F)
• Filter surface: 10 m2 (108 sq ft) 

Comprises of in built dust filter to minimize dust emission while loading process is going on The chute is covered with neoprene material of Hypalon brand for making bellow weather protected. Moreover, this chute is high temperature protected and is abrasion proof.Tanker level status is indicated by inside level controller of reverse cone. When the tanker is completely full, bellow is loaded to ensure about equal material distribution inside the tanker. Loaded bellows are moved upward and downward directions by using two lifting cables located outside. Movement of bellow does not cause any wear of electrical cables.