Channel: Machinery developments
Zippe: scraping conveyors for the glass industry

2013-06-21 | Machinery developments

With just over 90 years of history – the company, in fact, was first founded in 1920 – Zippe is an owner-managed enterprise. The fourth generation of the Zippe family is now present in the company, which continues to be a partner for the international glass industry.

Scraping conveyors are the ideal equipment for collecting, cooling, granulating and transporting hot glass
Innovation is a fundamental part of the working life of companies, and not only regards individual product innovations but also all small improvements and optimizations. All these improvements are applied to Zippe’s new projects, machines and plants enabling the company to offer its customers state-of-the-art technology, also thanks to its experience stretching back over 90 years.

Production of glass articles and resulting waste
The production of glass articles is always accompanied by the occurrence of hot and cold glass waste. Although the quantity of this waste is gradually being reduced due to advanced production technologies, it cannot be avoided completely.
At the end of the day, considerable amounts of waste will have to be removed and therefore reliably working recycling systems need to be installed being responsible for continuous discharge.
The target is to transform the waste into a cullet material, which is suitable for being recharged in the melting loop.
Furthermore, it is compulsory to have clean basements under the forming machines and the cold end area.
Hazardous glass waste has to be carefully collected and efficiently reused.

Cullet – not to be forgotten
Cullet is a very important ‘secondary’ raw material for the glass production. It is a source for regaining raw materials and energy. Each 10 per cent of cullet addition to batch reduces the melting energy up to 3 per cent.
And each ton of reused cullet replaces 700 kilos sand, 190 kilos soda ash, 80 ki...










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Article taken from Glass Machinery Plants & Accessories bi-monthly magazine (6 issues per year)
Year: 2013 number: 1
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