Primary Crushing Plant for Cimentos Minetti

Customer: Cimentos Minetti, Holcim Group

Cordoba,Argentina

Plant Description

& EPR GmbH has supplied the Argentine company Cementos Minetti inCordobanot only with a new primary crushing plant but also a secondary crushing plant with screen Cementos Minetti is part of the Holcim Group

The plant essentially comprises a feed hopper, a rugged apron feeder and an impact crusher The raw material is brought by dump truck to a 160 m³ capacity hopper, from where it is extracted by a heavyduty apron conveyor with a variable drive The impact crusher is fitted with the patented GSKtype rotor, an extremely robust, heavyduty cast steel unit

As the limestone is a particularly hard and abrasive material which results in extremely high wear rates, it puts great demands on the wear parts of the crusher Beside selection of a big size GSK rotor, one specific measure taken to prolong the life of the blow bars of the rotor was to increase their mass to a maximum, which naturally resulted also in a higher moment of inertia of the rotor supporting the crushing process

During the handling of the project, was requested to bring forward the delivery date of the equipment following a sudden rise in the demand for cement This request was met thanks to speedy redisposition within the manufacturer’s own fabricating facilities As a result the fabrication of plant components could be brought forward so that they could be dispatched separately in advance In this way, however, the plant parts were made available on site punctually to fit in with the progress of erection of the plant The final component to be delivered ahead of time was the rugged GSK rotor, which had to be lowered by crane into the crusher

Technical Data

Feed material: Limestone

Feed size: max 1,500 x 1,200 x 1,000 mm

Plant capacity: 1,100 t/h

Apron feeder: Width: 25 m, length: 131 m

Spillage Conveyor: Width: 25 m, length: 131 m

Crusher: Impactor Type APPM 2225

Rotor: GSK 2225

Installed drive rating: 1,250 kW

Crusher product: 95 % < 75 mm

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Product Categories : Primary Crushing Plant