Thomas & Muller engineered a custom bed ash cooling screw to reduce material from 1,000°F to 400°F while maintaining pressures under 15 psig—all within 30 feet of conveyor length. Built from 316L stainless steel with a stinger pipe, oversized screw shaft, and a five-zone cooling jacket, this system delivers 11,000 lb/hr capacity and reliable performance in extreme boiler conditions.
Category Archives: Case Studies
Thomas & Muller engineered a custom material handling solution for a Superfund remediation site processing Semet Tar and chemical waste across miles of contaminated land. Using material testing and engineering expertise, the team designed a mobile system featuring a 30″ incline belt conveyor feeding an 18″ screw conveyor with liquid-separating screens—capable of transporting 500 ft³/hr of hazardous sludge. Built from 304 stainless steel and designed without internal supports to handle highly adhesive material, this system reflects our commitment to innovative engineering and environmental restoration.
For a lithium mine in Chile, Thomas & Muller engineered a custom live-bottom screw feeder system to handle extremely cohesive and adhesive lithium slurry. After material testing, we designed a mass-flow hopper with four polished, electropolished 12½” variable-pitch screws, moving 5 tons per hour at 6 rpm. Built from 304 stainless steel with Tivar-lined hoppers, reverse flights, and spur gear slave drives, the system ensures consistent feed into the dryer while overcoming material stickiness and flow challenges—packaged for overseas export and long-term reliability.