Case Study – Feed hopper for zinc production plant in Norway

Location & Plannung period

Port of Norway
August 2022 - October 2023

conveyed material

Sulphates, oxides (clinker), aluminium hydrates, calcium florides

Special features

Grain sizes in µ range, high bulk density. To protect the environment, special emphasis is placed on reducing dust formation.

The hopper car runs on rails in the harbour and can be moved together with a transhipment dredger as needed. The dredger feeds the bin with bulk materials that are needed for zinc production and are delivered by ship. The material is filled into the bin using a clamshell bucket.

The integrated extraction with filter system and special dust retention system in the bin prevents dust from developing in the surrounding area. Underneath the bin is a bin discharge conveyor, transporting material onto a stationary conveyor.

The sophisticated extraction system of the feed hopper continuously extracts dust-laden air. A rotary valve discharges the filtered dust onto a discharge belt and conveys it into the main material flow.

An additional special construction, the Spillage Board from Loibl, is used to collect spilled material during the transfer from ship to bin in order to guide it back into the ship. This protects the surrounding sea so nature remains unaffected.

  • Norway's beautiful harbour landscape should be preserved.

  • The Loibl team inspecting the existing facility where the new feed hopper will be set up.

  • Plant after completion: The Loibl feed hopper moves on rails between the port handling area and on-site conveyor system.

  • Detailed view: Feed hopper equipped with state-of-the-art technology that meets the latest environmental standards.

Environmental responsibility and sustainable business

Zinc is an essential raw material for numerous industries, which is usually delivered by ship. Investments in innovative conveyor and filter systems are crucial to protect people and nature and to maintain the economic viability of your plants in the long term.

Lea Pfingsten

Marketing Manager

Tel. +49 9421 / 9256-150
send email

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