model 490 – nfpa gravimetric – coal or limestone feeder brochure the model 490 nfpa rated gravimetric feeder is designed to meet your needs when feeding a fluidized bed boiler or other system needs requiring a low pressure sealed feeder.
100% of the scale’s capacity is used to weigh material. dead weight of the weigh idler and belt is mass-counterbalanced thus providing excellent resolution and a high signal to noise ratio. thayer scale’s rugged load cell design assures reliable and accurate performance for the life of the weigh feeder.
plant engineers from the georgetown ky facility contacted kws to design and supply four new inclined screw feeders. the new screw feeders were used to meter crushed limestone from weigh hoppers mounted on load cells to batch mixers.
thayer scale has the most comprehensive line of weigh belt feeders on the market today; we are the only vendor to offer inclined or declined weigh belts as part of our standard offering. we design our belt feeders to handle a variety of materials (e.g. plastics coal metals wood chips) and feed ranges (from 30 pounds/hour to 3000 tons/hour).
2damaged limestone weighfeeder. dear all please i really need help on this. our limestone weigh feeder totally got damaged and we can not get another one until after a year (capex issue). please i need a tool that i can use for raw mix control using just the apron feeder speed.