Mine backfill, and in particular backfill using hydraulic or paste tailings, is now a well-established and proven practice within the underground mining industry. Notwithstanding mine backfills' role as part of a forward looking integrated waste management strategy, the application of the technology offers the opportunity to convert resource
1. Introduction. Mining activities are associated with numerous environmental and safety hazards, including the collapse of the Earth's surface, solid waste dumping, adverse vegetation impacts, chemicals leakages, and the contamination of drinking water, .In order to address these issues, scientists have developed cemented paste backfill (CPB), a solution that has been applied widely in ...
ABEL PUMP SH – Solid transfer pumps for mine backfilling Background information. Our customer is a large underground mining producer of precious metal, specialized in high grade silver and gold deposits. All underground mining activities are epithermal deposits and the main extraction method used is cut-and-fill mining.
Jun 18, 2020· We have noted that where the tailings pump house, or area allocated in the plant for tailings pumps, will not accommodate additional pump stages or pump trains, the load on the system is increased instead and the pumping system is "pushed" beyond design capacity. ... Mine Backfill, Slurry & Process Test Work, Process Engineering, Specialist ...
To overcome the challenge presented by paste backfill, the mine operator installed a Bredel 100 on a trial basis and the results were so impressive that it subsequently purchased the pump, which is now transferring the mix with an S.G. of 2.8 at a rate of 1,765 cubic feet per hour over a distance of 1,378 feet.
Surface delivery system / pump switching valves; High-pressure paste and slurry single / double block isolation; Diverter valves for flow diversion of paste and tailings. Our compact PROEDIRECT diverter valves are suitable for flow diversion of paste backfill, mine .
Degrussa Paste Backfill Plant GR Engineering was awarded the design and construction of the paste backfill plant at the Degrussa project in March 2012. The plant utilised a horizontal belt filter of 96 m2 to produce 120 m3/h of cemented paste. Paste delivery to the mine borehole was via a .
Mine application - roadway reinforcement, backfill, waterproof grouting. Colloidal grout mixing and pumping systems produce high outputs while maintaining a low carbon footprint. Grout plants can be trailer or skid mounted. GGP300/300/75PI-E grout plant has been
May 02, 2016· Schwing Bioset, Inc. is excited to be featured in the Slurry Pumping section of International Mining's December issue.. The article discusses Schwing Bioset's recently commissioned pumps for a backfill application at Volcan Compañía Minera's Andaychagua mine, as well as the new piston pump installation at OCI Chemical Corp's Big Island Mine.. View the Slurry Pumping section .
Different types of backfill mining technology are presented in detail, including paste backfill mining, waste rock backfill mining, high water material backfill mining and partial backfill mining.
Backfill in a Mine Project at a Glance. Material Placed: 4500 yards³ (3441 m³) Material Density: 35 pcf (561 kg/m³) Base Slurry Mix Design: Portland .50 water/cement ratio A Richway customer was brought into an underground limestone mine to provide remedial work at .
Underground mine backfilling is a form of ground improvement required in underground mining. Advanced mining methods such as "Cut and Fill" or "Room and Pillar", safety considerations, environmental aspects as well as economic reasons are some of the main arguments for backfilling.
Jan 08, 2019· ; Having been actively involved with the backfill application and alternative fuel projects, has been around the world of construction and mining since 1958. They manufacture Innovative technologies that are constantly updated as per the latest research and development, and market requirements without the expense of quality.
Mining with backfill is a requirement in the industry as it is an important aspect of many mining methods and is a solution to many rock stability issues. When a mine plans to use backfill there are a number of considerations to be made with regards to type of fill, delivery systems and from where the fill will be obtained. ... A pump above ...
The backfill tailings are generally mixed on the surface with the cement in a small processing plant and then piped either down a decline, shaft or surface borehole(s) into the area of the mine that requires backfilling. Figure 2: Paste backfill plant with deep cone thickener, Lisheen Mine, Ireland (© Jon Engels)
May 13, 2015· Underground mine backfilling is a form of ground improvement that has to be carried out in the mine sites. The backfilling provides ground support and regional stability, thus facilitating ore removal from nearby regions. The large underground voids created by the ore removal are backfilled with the waste tailings in the form of paste fills, hydraulic fills, and others.
probability of subsidence, methods to backfill the mine void with various types of materials have been developed. This U.S. Bureau of Mines report describes the available technologies for subsidence abatement and discusses their operation and application. The basis of these abatement methods is the replacement of the mined material with mine waste.
Dec 01, 2018· Each mine uses a different mix of components for backfilling, depending upon the mine's specific structural requirements and environmental concerns, particularly water requirements. Most backfill mixes contain cement, or another cement-like substance, that acts as a binder to hold the backfill medium together.
offers a complete paste preparation system, from mixer to buffer hoppers to the piston pumps of the KOS or HSP series. Visit us online.. provides products includes truck mounted concrete pumps, stationary concrete & placing booms, industrial technology, concrete placement, placing of concrete and more. Visit us online.
Mine backfill is defined as the material used to fill the cavities (i.e., stopes) created by underground mining. Backfilling can be a means to dispose of sludge and/ or tailings which may contain hazardous materials and to reduce surface environmental impacts by storing tailings underground.
Disadvantages of Paste Backfill. higher strengths can be achieved with an equivalent cement content; drainage of water and slimes from the fill are minimized, reducing the need for bulkhead construction and extensive drainage works. This feature also reduces maintenance on sumps and mine de-watering pumps;
Group Powen-Wafapomp SA is a major pump producer in Poland. The Company has a broad customer-tailored product portfolio and offers equipment for power plants, CHP plants, metallurgical industry, mines (approx. 90% of pumps operated in the mines in Poland are supplied by Powen-Wafapomp SA) but also chemical works, petrochemical plants, sugar refineries, waterworks and a number of other end users.
Mine production is constrained by the backfill rate. Since the overall fill rate of paste is faster than hydraulic fill, there is an opportunity to increase the production rate. Overall, the simulation results show that a superior, backfill system, with the correct mix design can significantly increase the amount of production or reduce the ...
Mine Backfill Mine Backfill. Mine backfill is defined as the material used to fill the cavities (i.e., stopes) created by underground mining. Backfilling can be a means to dispose of sludge and/or tailings which may contain hazardous materials and to reduce surface environmental impacts by .
