thyssenkrupp to Introduce Eccentric Roll Crusher.
With its new eccentric roll crusher (ERC) thyssenkrupp Industrial Solutions has developed a groundbreaking solution for the primary reduction of hard rock and ore.
The new crusher is particularly compact and robust. Its patented design with an integrated screen permits throughputs of up to 8,000 metric tph. Suitable for use both underground and in surface operations, the ERC offers significantly higher efficiency and flexibility than conventional primary crushers in the processing of hard rock. It will make its world debut at the bauma 2019 show in Munich.
Detlef Papajewski, head of mineral processing at the business unit Mining Technologies of thyssenkrupp Industrial Solutions said, "We are constantly seeking new solutions for our customers that improve crusher availability and efficiency and reduce installation and operating costs. With the new ERC we have developed a technology that is the first of its kind. Its innovative design combines the advantages of conventional primary crushers with solutions to their typical disadvantages, such as large height. As a result the ERC can be used in underground and surface mining operations and in quarries to process ore and hard rock more effectively."
The ERC is a completely new crusher type that effectively combines many advantages in one machine. Its height is 20 to 55 percent lower than that of conventional primary crushers for hard rock. This greatly simplifies transportation, installation and maintenance, including underground, and saves costs.
Despite its low height, the ERC achieves significantly higher throughputs than conventional crushers. The new series currently includes four models with capacities between 600 and 8,000 tph.
The new design with a roll-mounted eccentrically between the screening and crushing chambers and the large, constant stroke of the crusher allow a very high degree of reduction. The integrated screen further increases the efficiency of the machine. Fines are not guided through the crushing chamber but discharged directly to reduce energy consumption and minimize wear to the crusher elements. An automatic crusher gap adjustment system prevents overload.
The ERC is suitable for a wide range of applications: With its unique kinematics and innovative screening/crushing chamber design it reduces hard rock and ore particularly efficiently and economically in underground operations and also helps improve cost efficiency in surface mines and quarries.
The symmetrical arrangement of the roll allows the crusher to be balanced with great precision. This significantly reduces machine vibrations and the loads on surrounding structures compared with other primary crushers. That means the ERC is also ideal for use in mobile and semi-mobile crushing systems.
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