Saxwerk GmbH
About
Saxwerk GmbH is an owner-managed family business based in the Lüneburg Heide region of Germany, with origins tracing to 1958 in Sweden as Haga Verkstatt. With over 50 years of experience, the company delivers single-source solutions — consulting, planning, production, installation, and commissioning — across five product areas: material handling and recycling, sludge handling, ash and slag handling, bioenergy plants, and pellet plants. Their sludge handling portfolio features round silos with sliding frame or hydraulic rotor discharge (up to 2,500 m³), square bins with push floors, discharge separators for impurity removal, and Element-Tec modular silos for flexible capacity sizing. Conveyor systems include screw conveyors (transport, discharge, vertical, stoker, and special designs), chain conveyors (double-chain, submerged, and Redler wet/dry), belt and chain elevators, and rotary feeders in standard, heavy-duty, and stainless steel configurations. Additional products include moving bellow systems for dust-free truck loading, dosing bins for both normal and difficult materials, screening systems (coarse screens), reciprocating grate systems for bioenergy, and ash conditioning with special flights. Saxwerk has delivered over 100 sliding frame discharge systems in the past decade, serving sewage sludge, wood, cement, insulation fiberboard, and recycling industries.
Key Products
Large-capacity storage silos with hydraulic sliding frame and discharge screws for storing and discharging dewatered sewage sludge at 15-45% total solids
Rectangular storage bins with push floor and discharge screws for receiving, storing, and discharging dewatered sludge and bulk materials
Sludge discharge device with integrated foreign matter and tramp material separation for protecting downstream equipment from contaminants
Variety of screw conveyor configurations for horizontal, inclined, and vertical transport of sludge, ash, and bulk materials
Heavy-duty chain conveyors including double-chain, submerged, and Redler-type variants for wet and dry material transport
Vertical conveying systems using belt or chain mechanisms for lifting bulk materials and sludge to elevated positions
Airlock and metering devices in standard, heavy-duty, and stainless steel configurations for controlled material discharge and air sealing
Dust-free loading systems for transferring bulk materials from silos to trucks or containers without dust emission
Controlled discharge bins for metered feeding of bulk materials, available in configurations for both free-flowing and difficult-to-handle substances
Modular silo construction system enabling flexible capacity sizing and rapid on-site assembly for storage applications
Coarse screening equipment for removing oversized material from bulk material and sludge streams before further processing
Grate-based combustion system for bioenergy plants providing staged combustion of biomass and waste fuels
Specially designed chain conveyor for transporting wet ash from combustion and incineration processes
Equipment for conditioning ash with special flights for moisture control and dust suppression during handling and transport
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