Waste bunker door

Listing ID #3925124

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Supply Type Manufacturer, Exporter, Supplier

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Product Details

The doors are a vital part of the bunker and have to resist the harsh treatment of refuse delivery. Depending on the conditions, they can be constructed as a swinging, or lifting type. Due to their solid construction, the doors are highly suitable for stacking up waste behind them. They are state-of-the-art and meet all the current safety criteria and standards

Swinging door

This door model is used in particular when there is a restricted height. The entire set-up includes an appropriate frame, the hydraulics and the electrical system. The swinging doors are welded steel profiles and have on both sides flat metal surfaces. The doors are each operated by a hydraulically powered ram, with a high torque.

Lifting door

This model is operated by a remote hydraulic cylinder which is located internally within the door. The main parts of the installation are the door itself, as well as the appropriate guide rail, and the roller bearing guides.

At the customers’ request extras can be supplied such as a special edge protector for the concrete opening, a high-speed rolling shutter door as a replacement for one of the conventional doors and opening devices in case of emergencies, etc.

The doors are controlled by a central hydraulic supply. A smooth operation is assured by the control selection, adjusted to the specific given factors, as well as being linked to the control systems for the vehicles and the operators. The control is centralised within the plant and coordinated with the existing controls to ensure a smooth delivery process.

Company Details

After Jakob Stiefel GmbH was founded in 1973, they started with maintenances and reparations on incineration plants. In 1983, Jakob Stiefel Ltd. assumed the exclusive representation of the Martin Ltd. for the maintenance of all their incineration plants in Switzerland. Additionally to the service and repair work for Martin GmbH, Stiefel gradually became involved in the engineering aspects of incinerator plants, resulting in the building and assembling of complete combustion systems. Components of their own such as waste cutters, bunker doors, slag dischargers, deashing and transport systems for slag and dust were developed and built in-house.
In 1988, Jakob Stiefel GmbH implemented the water cooled system for waste incineration. At the beginning, this technics was only used in the waste feeding area. But in a second step, the complete grate was involved. In the 90ties, this technics was also implemented successfully in retrofits of a multiplicity of existing grate firing systems.
Based on the water cooled system, a complete new grate combustion technology was developed by Jakob Stiefel GmbH. The full acknowledgment and acceptance of the new technology succeeded with the grate commissioning at Niederurnen, Zirndorf, Luzern and Wijster.
Hence, Jakob Stiefel GmbH appeared more and more as supplier and contractor for a complete firing system as well as for further components such as boiler, e-filter or process control.
Developments in the field of biomass or combustions of sludge are essential for the company on behalf of current or prospective problems of our society. The global focusing and the representation in the new markets are responsible for a long-term steadiness of the incineration of household waste and biomass.