Leverkusen, Germany
Case study – Ash transport of industrial sewage sludge
Ash transport, sewage sludge incineration2020-2021
Ash from the incineration of industrial sewage sludge
existing plant, partially refurbished
All components made of particularly temperature-resistant materials; construction of a simultaneously mixing and conveying mixer screw with paddles instead of screw blades
Ash transport at the disposal center of CHEMPARK Leverkusen
The CHEMPARK sites in Dormagen, Krefeld-Uerdingen and Leverkusen in North Rhine-Westphalia represent the center of Europe's chemical market. More than 70 companies from the production, research and service sectors are based there. The manager and operator of the CHEMPARK sites is the company CURRENTA, which operates, among other things, a waste management center at the Leverkusen Chemical Park where industrial sewage sludge is incinerated in addition to waste. For the sewage sludge incineration, Loibl Förderanlagen GmbH supplied an efficient ash conveying system individually adapted to the requirements.
The delivered sewage sludge is incinerated in a deck furnace. The resulting ash is fed for further processing via a mechanical transport system supplied by Loibl Förderanlagen GmbH. Trough screw and trough chain conveyors transport the fine ash particles from the flue gas cleaning into two buffer containers.
The combustion residues (ash) coming from the rotary kiln are sorted by size via oversize separators. Coarser components are sorted out in a separate container, while finer ashes enter the buffer containers. The originally used and maintenance-intensive mixer system for ash moistening was replaced in the course of the partial rehabilitation by a more powerful and effective double mixer screw. The mixer screw humidifies and mixes the ash. Due to the aggressive fumes, the screw blades are clad with corrosion-resistant steel and are characterized by their robust design. Paddles for mixing are mounted on the screw tree.
In the final step, the moist ash mixture is transported to the truck receiving point via a dump truck.
LOIBL'S SCOPE OF SUPPLY AND SERVICES
- Detailed engineering
- Consulting and planning
- Manufacturing in Straubing, Bavaria
- LASHSCREWCON® - trough screw conveyor
- LASHSCREWCON® - mixing screw conveyor
- LASHCHAINCON® - trough chain conveyor
- Flat slide valves
- Plug-in slide valve
- Oversize separator
- Installation on site
- Commissioning
SEWAGE SLUDGE INCINERATION - OUR SOLUTIONS
Industrial and conventional sewage sludge is composed of a large number of pollutants, which can have various and sometimes unknown effects on nature and man. The incineration of sewage sludge represents a sensible and environmentally friendly solution to reduce the discharge of pollutants during sewage sludge utilization. Loibl Förderanlagen GmbH has the necessary experience and technical know-how to equip incineration plants with robust, wear-resistant systems and conveyors. We take care of the cooling, transport, and storage of the ash.
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