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Fine Grinding Equipment
Ludowici can supply a range of Fine Grinding Equipment.
Hicom Technologies specialises in providing energy-efficient "comminution solutions" for customers anywhere in the world.
These solutions incorporate the unique world patented Hicom "High Intensity" Ultrafine grinding mill, high efficiency air classifiers, fine particle collection systems and automatic control and monitoring equipment.
The company has invested in R&D projects in partnership with Government, research institutions and industry partners to advance technologies in comminution solutions and processes.
Ludowici customers can choose from two Mills depending on your desired production capacity: HICOM 110, a 110 kW Mill with an 80-lit
For more information on Ludowici Hicom Mills, please click here
The unique grinding action of the Hicom mill is produced by a patented high speed "nutating motion" of the grinding chamber about a vertical axis (in the manner of a conical pandulum), causing the charge to tumble rapidly in a mechanically-induced acceleration field.
This acceleration is many times greater than gravity, making possible a very high power input per unit mill volume, and fast breakage rates.
The machine has a very small footprint, when compared with ball mills of equivalent production, has minimal foundation requirements, and has very low noise emissions.
The mill can be operated over a range of speeds to achieve acceleration rates of up to 50G. Precise operating conditions are material and product dependent and Hicom's engineers can recommend the most suitable arrangement for specific applications.
The mill is controlled by a programmable logic controller (PLC) which sequences start-up and shut-down procedures and monitors fault conditions.
Mill status is monitored by the operator via a programmed menu display located on the control cubicle, or alternatively via a SCADA terminal. As a result of the Hicom mill's ability to directly target ultra-fine production, size and cost of downstream equipment will be much smaller than many alternative current methods of production.
This therefore provides opportunities for boutique production, applications at sites with limited space or where real estate costs are at a premium.
Hicom recommend a high efficiency classifier design which enables efficient cuts at ultrafine sizes, maximises productive performance and minimises system specific energies.
For an optimum system, it is essential that the maximum amount of product is recovered from the grinding mill discharge at the required size, and that fine particles that adhere to the coarse particle returns are effectively washed clear from this stream.
Fine Particle Collection System
The fine product recovery system is an automatic reverse jet type fabric filter.
It is designed to accept sized product, which is received after grinding classification. The equipment is also designed to cope with the high product loadings encountered in the pneumatic transfer of ground materials and will discharge dry, clean, uncontaminated system air into the atmosphere.
Product enters the receiver through a top distribution plenum while the conveying air discharges via top-mounted insertable filter collectors to prevent filter emissions. Build-up of fine particles within the filter is removed automatically by rapid pulses of compressed air and the product is either stored in hoppers underneath the collector, or discharged to bagging or transfer equipment.
With the small footprint of the Hicom Mill and its low weight and operational forces, it is also possible to use the Mill for mobile operations for wet or dry grinding.
It also gives the possibility of testing new products in commercial quantities for market acceptance, without interfering with existing operations. For example the mill can be installed on a standard 20’ open rack container with its own services module.
On-site it can be elevated on four legs to a height of approximately 2 metres without elaborate foundations or civil works with a firm footing catering for all vertical and lateral loads.
The unit’s variable speed drive and associated PLC equipment can be supplied in a second 20’ container with simple hook-up connections and procedures.
Ludowici machinery: simple on the surface but incorporates robust state of the art digital technology.
Ludowici machinery has been developed in the digital era allowing state of the art controls and automation. Advanced software applications allow flexibility, rapid response, and small, compact machinery. All operations are carried out through touch screens and VDU's.
Computer based process monitoring systems continuously monitor process variables such as temperatures, machine speed, pulp consistency and pH with data logged to disc. Automatic control of process variables permits lowest cost manufacture with consistent high quality product. Process problem solving can be carried out using phone modem link or Internet for operations in remote locations.
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