MINE HOISTS
energy distribution system and a shaft signalling and loading and unloading control system .
Lastly system 3 is another cage hoisting system , a ground-based four-rope Koepe hoisting machine , diameter 4.5 m , for cage hoisting with a drive output of 1 MW . It has two sets of four-rope rope sheaves for rope deflection , an ST3-F ( closed loop technology ) hydraulic braking system with six pairs of BE125 brake elements , one set of Siemens SM150 indirect converters ( IGBT ) and automation equipment including machine control system complete this hoisting system package .
SIEMAG states : “ The special feature of the three hoisting systems is the central control system . The control room is located in the hall of the hoisting machine of the service shaft . In normal operation the hoisting systems in the production and service shaft are all in automatic lifting operation . Furthermore , the two systems in the service shaft are fitted with wireless communication devices that enable the hoisting equipment to be controlled from the cage direct . This enables personnel to reach different levels direct .”
A new era of hoist control
ABB recently launched ABB Ability™ NGX Hoist Control , an automated , digital hoist control system evolved from ABB ’ s reliable and proven past generations of hoist control systems , to enable mining companies to operate hoists with high levels of performance and safety using a standardised platform worldwide . The company says it brings new levels of reliability , flexibility and ease of use to smaller companies on greenfield projects or upgrades as well as global companies where standardisation of control systems delivers improved efficiency and reduced costs . ABB Ability™ NGX Hoist Control is adaptable to any type of hoist and can be used in upgrade projects even with third-party control systems . It has intuitive operation via a human machine interface system ( HMI ) and provides access to ABB expert technical support at all times .
ABB Ability™ NGX Hoist Control can be easily integrated with other market leading ABB technologies including ABB Ability™ Safety Plus for hoists – the first fully SIL 3 certified hoist solutions which ensure the highest level of safety – which was first commissioned in 2019 on the world ’ s largest friction hoists . It is also compatible with advanced digital service ABB Ability™ Performance Optimization for hoists , a digital monitoring service that continuously tracks the status of a mine hoist and improves uptime , availability , performance and productivity of mine hoists by providing actionable information on KPIs .
“ This exciting new launch follows the recent introduction of ABB Ability™ Safety Plus and is another milestone for greater levels of reliability , optimisation and protection for mine hoists ,” said Oswald Deuchar , Global Product Line Manager for Hoisting , ABB . “ With ABB Ability™ NGX Hoist Control mine operators benefit from reduced downtime and lower maintenance requirements , including round-the-clock support and the ability to manage hoists for greater optimisation . By implementing the same control system across plants OPEX can be further improved .”
On the background to the solution , Deuchar told IM : “ When we look at our customers , they are increasingly global , but traditionally the engineering for our hoist control systems has been conducted more regionally . All the solutions were good , it ’ s just that the look and feel could be slightly different due to differences in electrical controls and software , for example between Asia and North America . The Tier 1 miners have staff moving around regularly to manage different sites or to assist with new project execution – we wanted to make sure we could offer our customers a platform that is consistent and that they will instantly recognise every time they see an ABB hoist . Going forward
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We offer a single-source supply of all mine hoisting plant services to North American and International mining industries .
We maintain a huge inventory of mine hoists , and more than 80 stage winches – up to 130,000 pounds – that are available for rent .
Mine Hoists International brings together our knowledge and retains outside experts with world-wide experience . This combination of expertise allows us to offer you exceptional services .
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