Gazstroy brickworks now producing with Händle preparation and shaping equipment

In December of 2009, OOO Gazstroy of St. Petersburg and Händle GmbH of Mühl-acker signed a supply and installation agreement concerning a preparation and shaping plant for a brickyard specializing in porosity-enhanced backing bricks, high-quality façade tiles and clay pavers. The plant‘s overall annual capacity of 300 000 tons of fired wares corresponds to approx. 415 000 annual tons of working body for preparation and extrusion.

Conceived as one of the Russian Federation‘s largest, most modern brickworks, the plant has two production lines. Line A turns out porosity-enhanced backing bricks in sizes ranging from Russian standard format (250 x 120 x 65 mm) to large-format clay blocks (510 x 250 x 219 mm) with brick densities between 1.25 and 0.8 kg/dm3. This is the first time that rectified large-format clay blocks with a granular mineral filling are being manufactured in Russia. Line B is turning out high-fired façade tiles and clay pavers, each in two different sizes (250 x 120 x 65 or 88 mm). The clay pavers have an apparent density of 2.1 kg/dm3.

Whenever necessary, the production program can be re-adapted to changing market requirements.

The employed brick clay is highly plastic, fine-grained and shortened with sand. The working body for the backing bricks is porosity-enhanced, and the working body for the pavers and façade tiles is mixed with fat, refractory amending clay.

 

Preparation and shaping

The Händle-supplied plant comprises a central clay and sand store with boxes, an ­automatic filling arrangement and a front-end loader discharging setup for supplying material to both production lines, A and B. Each production line consists of a preparation plant (roller crusher, pan mill and roller-mill train) plus longitudinal-dredging souring plant, and a shaping plant with clay shredder and de-airing extrusion unit. Of course, each line also has its own loading, unloading, conveying and auxiliary equipment, including electric controls. Line A also includes a sawdust preparation system, and line B has a dosing and mixing arrangement for additives.

Both the size of the preparation and shaping plant and the implemented technical standards constitute milestones for the Russian heavy clay industry as well as for Händle as the plant‘s implementing contractor.

The wholly new facility was installed on the premises of an old Russian brick manufactory in Ryabovo, 60 km south of St. Petersburg, and commissioned in record time – June 2011 – with ultimate handover of the Händle-built preparation and shaping plants to the customer taking place a mere 18 months after the contract was signed. This gave the Händle company yet another chance to demonstrate its prowess as a leading equipment contractor for preparation and shaping applications.

An upcoming issue of Zi Ziegelindustrie International will feature a detailed description of this major – and exceptional – Russian brick factory.

 

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