IIT launches low energy milling technology for waste glass processors

Written by: Editorial staff | Published:

The UK-based International Innovative Milling Technologies (IIT) has developed new low energy milling technology for a range of waste glass processing applications.

The new M350 milling system extends the company’s “m-series” range of vertical roller mills and is reported to allow close control of particle size distribution to meet the needs of a wide range of size reduction applications for glass powders and waste product streams.

The M350 is said to be specifically designed to accommodate an output capacity range of up to 4.5t/hr for single pass applications and up to 500Kg/hr for finer products requiring classification. As such it is claimed to be ideal for cullet reprocessing, and additionally suitable for a wide range of glass sand and powder processing applications including process validation, small tonnage batch processing, research and development, material preparation and pre-processing routines.

According to IIT, accurate control of particle size distribution changes can be achieved by smooth operating adjustments to the rotational speed of the mill to provide true ‘one pass’ milling and fines control. As a result m-series mills is said to benefit the entire plant through reduction of contaminant, and furnace build up problems.

With the growing market value of waste glass for a range of applications, IIT said the operation of the M350 means that output can be adjusted to deliver almost any particle size distribution required at the touch of a button.

As a result, the ability to minimise undersize or oversize components in the final milled glass powder product means plant operators can reportedly achieve required performance with single equipment sets and sieve mesh aperture changes rather than entirely different process routes or equipment combinations.

A company spokesperson said: "The design of the ATEX compliant mill is based on a patented centrifugal grinding mechanism, using a special pivoting roller assembly and a static grinding ring to provide a highly energy efficient size reduction capability. The m-series mills are modular designs delivering the benefits of reduced OPEX labour via applied ergonomics in the maintenance cycle."

For speed of installation the low mass mill and its associated control system package are mounted on sub frame assemblies in a “plug and play” fashion. IIT said the technology can be easily transported between different locations for reduced feedstock handling and maximum operational versatility, or be installed in a single location, with negligible preparation cost.


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