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Sandvik’s New Prisec 3 CI531, CI532 HSI Crushers

These new generation crushers provide customers with a low capital cost solution, optimum performance and good cubical shape.

Thu December 18, 2014 - National Edition
CEG


The CI531 and CI532 Prisec 3 are equipped with an infinite hydraulic curtain adjustment combined with a brake positioning system which relieves pressure, and setting, when un-crushable objects enter the crusher.
The CI531 and CI532 Prisec 3 are equipped with an infinite hydraulic curtain adjustment combined with a brake positioning system which relieves pressure, and setting, when un-crushable objects enter the crusher.

Sandvik Construction has launched the CI531 primary and CI532 secondary, Prisec 3 horizontal shaft impact (HSI) crushers. These new generation crushers provide customers with a low capital cost solution, optimum performance and good cubical shape, while ensuring the lowest operating cost per ton for a wide range of materials and applications, according to the manufacturer.

The latest additions to the CI500 Prisec horizontal shaft impactor range of crushers, the Prisec 3 primary CI531, and the secondary CI532, have been developed to deliver exceptional rates of productivity and efficiency. As with the rest of the Prisec range, these new HSI crushers possess the ability to be configured into either a primary or secondary crusher operating mode. Additionally single stage crushing also is a possibility with the ability to recirculate material to the primary versions of the crushers.

Exceptional Reduction Ratios

Sandvik’s all new design of crushing chamber ensures even greater reduction ratios than have been previously obtainable. Furthermore the Prisec 3 crushers are able to easily produce impressive reduction ratios through the use of two uniquely designed curtains, which have traditionally required a three curtain configuration crusher. As well as enhanced productivity, this means fewer wear parts and reduced maintenance.

Energy Efficient Overload Protection

The CI531 and CI532 Prisec 3 are equipped with an infinite hydraulic curtain adjustment combined with a brake positioning system which relieves pressure, and setting, when un-crushable objects enter the crusher. No hydraulic power is required during normal operation, thus saving on operating power and reducing total power consumption. Both first and second curtains are infinitely adjustable via the Sandvik’s adjustment / braking system, which is located on the cross beams of the crusher. This system gives hydraulic adjustment of both curtains, via the standard supply electric hydraulic power pack.

Dealing With Crusher Blockages

Crusher blockages have always historically been a problem, especially when operating in a primary mode. Removal of the blockage, with the combined downtime and health and safety risks encountered, are now eliminated with the new generation Prisec 3 crusher. Due to the features of the crushers no stopping of the crusher is necessary, with no operator intervention inside the crusher, no heavy lifting gear required, all resulting in maximum uptime and reduced health and safety problems, according to the manufacturer.

Rotor and Hammer Design

The rotor and hammers can be considered as the heart of the crusher; this is why those used on the Prisec 3 range are both robust and efficient. Rotors have superior weight and design, essential for delivering the high inertia required for optimum crusher performance, thus ensuring stability and smooth operation during production. The “banana” shaped self-sharpening hammer design helps to keep the contact heads sharper during operation, resulting in more effective shearing of the incoming material, and hence improved production.

Easy and Safe Maintenance

A key safety interlock system ensures safe maintenance of the crusher and prevents accidental opening of the crusher and inspection doors even in multiple installations. It also allows the ability to raise curtains during operation without stopping the crusher to clear blockages, and re-set automatically to operating setting. This maximizes uptime and reduces the need for heavy lifting gear and operator / maintenance intervention, thereby reducing further health and safety risks.

Maximum Uptime, Maximum Breakage

Through the modularized nature of the Prisec 3 range, wear parts can be turned for maximum life/usage with the same size being used across the whole range of crushers. In addition, Sandvik’s technology in the hammer and liner material composition provides options far surpassing old industry standard of manganese, resulting in even lower operating cost per ton and the ability to operate efficiently in a variety of materials, especially recycling applications, according to the manufacturer.

For more information, visit www.construction.sandvik.com.