Products art

CI5X Series Impact Crushers

CI5X series impact crusher is a new generation of coarse and medium crushed products designed to meet customers needs for high profit, low cost, energy saving and consumption reduction. It is the guarantee for large-volume production line c

Mining, metallurgy, construction, chemical, cement, refractory material, etc.


Model Specifications (mm) Feed opening (mm) Max. feed size (mm) Capacity (t/h) Power (kW) Weight (t) Dimensions (mm)
CI5X1315 Φ1300×1500 1540×930 600 250-350 250 20 2880×2755×2560
CI5X1520 Φ1500×2000 2040×520 (2040×995) 350(700) 400-600 2×250 (2×200) 30 3390×3520×2790
CI5X1415 Φ1400×1500 1540×1320 900 350-550 250 24 2995×2790×3090
CI5X1620 Φ1600×2000 2040×1630 1100 500-900 2×200 42 3485×3605×3720
CI5X2023 Φ2000×2300 2400×1920 1300 1200-2000 2×500 76 4890×4380×4765
  • MMD Group of Companies - Home

    The MMD group of companies is a world leading specialist in the processing and reducing of natural and manufactured minerals using Sizer technology

  • Sizers Home Au Feeders Fully Mobile Units Contact Us History
  • Underground mining (hard rock) - Wikipedia

    Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, usually those containing metals such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for

  • Hard Rock Miner's Handbook - stantec

    Hard Rock Miner’s Handbook is a work of the heart. Jack—whose 40+ year career spanned engineering, construction, and operation of mining projects worldwide—conceived of and wrote the first edition of the Handbook, published in June 2000, to assist miners and engineers in the difficult world of hard rock mining. It was his

  • Mining Hard Rock Crushing And Sizing -

    mining hard rock crushing and sizing. mining hard rock crushing and sizing . mining hard rock crushing and sizing. Crusher - Wikipedia. 22 A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily ...

  • Mining Tyres - International Mining

    Different applications call for different tyre designs and features, which Goodyear takes into consideration in product development. The RM (Rock Mining) OTR tyre line drives optimal performance in very difficult environments, such as those found in large haulage coal and hard rock mining applications. Available globally, the RM line’s unique ...

  • Caterpillar launches first continuous miner for hard rock ...

    Global construction and mining equipment manufacturer Caterpillar (Cat) has launched the first continuous mining and hauling system for underground hard rock applications

  • Underground Mining Techniques and Risks Geology for ...

    Hard Rock MinesSoft Rock MinesMining RisksVentilationOther Underground Mining RisksHard rock mines include most metal and diamond mines. They tend to be deep, and the orebody is often steeply inclined (or dipping). Shafts can be as a deep as several kilometres. Access from the surface is via a shaft or a decline. There is a variety of mining methods used, often in the same mine, depending on the geometry of the orebody and the stability of the rock.Ore is broken up by blasting and drilling. Ore is then removed or “mucked out” by a LHD (load haul dump) machine, which resembl...
  • NEW CAT ROCK STRAIGHT SYSTEM Caterpillar Hard Rock ...

    18/10/2016  Caterpillar launched its Cat Rock Straight system, which mines hard-rock minerals with longwall efficiency. Long wall mining in soft rock and coal applications is known for decades.

  • 作者: Bauforum24
  • Geotechnical considerations in underground mines

    Geotechnical Considerations in Underground Mining/Department of Industry and Resources Guideline Document No.: ZME723QT 1.0 INTRODUCTION The potentially hazardous nature of underground mining requires the application of sound geotechnical engineering practice to determine the ground conditions, the ground support and reinforcement requirements, as well as the size, shape and

  • Crushing in Mineral Processing

    In mineral processing or metallurgy, the first stage of comminution is crushing. Depending of the type of rock (geometallurgy) to be crushed, there are 2 largely different techniques at your disposition for crushing rocks. In principle, compression crushing is used on hard and abrasive rocks by placing them between a high wear-resistant plate/surface.

  • Code of Practice - Department of Mines, Industry ...

    Code of Practice 1.0 INTRODUCTION Rock falls are an ever-present hazard in underground mining, especially in unsupported ground. They are primarily caused by discontinuities and/or high or low adverse stresses in the rock mass. The intersection of three or more joints or fractures with the back, face or

  • Particle Size Analysis for Mining and Minerals ...

    Choice of particle size analysis technique is a function of the goals of the analysis. Many of the particles encountered in mining are characterized by sieves (classifiers). These are screens with a known opening (mesh) size. Particles smaller than that mesh size will pass through the screen and larger particles are retained. Analysis is ...

  • Underground hard rock mobile equipment market

    Underground hard rock mobile equipment market detailed in IntierraRMG report Posted by Matrix on 25th September 2012 Recent market analysis has identified the manufacturers of an estimated 30,000 trucks, LHDs, drills and bolters that are being used in underground hard-rock mining.

  • Hard-rock room and pillar - QueensMineDesignWiki

    Room and pillar is an underground mining method that has applications to a wide variety of hard-rock deposits worldwide. It is commonly classified as an open-stoping method, meaning that development involves mining out underground cavities while leaving the

  • Hard Rock Mining - assets.master-builders-solutions.basf

    6 Hard Rock Mining from Master Builders Solutions In hard rock mining, oxidation can affect weak strata, causing rock slabbing and roof and wall degradation. Effective surface support and the protection of rock and strata against weathering are critical to the safety and efficiency of any mining operation.

  • Montana DEQ > Mining > hardrock

    Operating Permit. Operating permits are required for hard rock mines that will disturb more than five acres at any one time. The Operating Permit Section of the Hard Rock Mining Bureau is responsible for the review of permit applications for operating permits and for

  • Barminco

    Barminco is one of the world’s largest hard rock underground mining services companies, with operations in Australia, Asia and Africa. African Underground Mining Services, formerly a 50/50 joint venture between Ausdrill and Barminco, is now an operating business unit of Barminco.

  • Applications - Minova

    Hard rock mining. MINING. SAFETY. EFFICIENCY. To be safe, efficient and profitable in your mining applications we provide you with support during these applications. With varying strata conditions and production challenges, our expert technical services team work alongside the mine and consultants to find the right solution for your application. Our solutions are well-proven and best-in-class ...

  • Two vs three-stage crushing - Australian Mining

    2 天前  A three-stage crushing system is the best option for higher tonnages of hard coal and rock. Although a grizzly is beneficial, it may not be necessary in all cases. Although a grizzly is beneficial ...

  • Vale - Underground Mining - YouTube

    8/05/2013  Canada and global mining industry This is one of a series of videos I edited for Vale. The producer I worked for travelled to many locations around the world. Shots were taken in the air, on the ...

  • Size Hard Rock Grinding Machine -

    small size hard rock grinding machine. hard rock mining equipment for gold grinding. Gulin machine in gold processing plant, hard rock mining equipment for gold grinding. Gulin provide the hard rock mining. Grinding Machines for sale , eBay. Free Shipping on many items across the worlds largest range of Grinding Machines. Find the perfect ...

  • Crushing and Conveying Equipment - Underground

    Underground crushing and conveying equipment Joy conveyor products, designed for optimum availability and reliability, are utilized in some of the most productive bulk material handling applications

  • Gold Mining Equipment - 911Metallurgist

    Gold Mining Equipment List. Making a complete list of gold mining equipment starts with defining the type of gold mining you are doing and the budget you have at your disposal. The type of mining relates to hard rock, eluvial, or placer; alluvial deposits.The capital budget you have to invest in buying your equipment with dictate the scale at which you want to mine and influence the long-term ...

  • Montana DEQ > Mining > Resources > requirements

    Programs Within Hard Rock Mining. Operating Permit Program: Download Operating Permit Application Packet Download Multiple Quarry Operating Permit Application Packet . Ideally, a mining operation in Montana starts out applying for an Exploration License, which is usually for drill holes and trenches to assess the viability of the mining site. Once it is determined that the site is viable, the ...

  • Hard Rock Mining Industry Applications for Industrial ...

    Hard Rock Mining Industry Applications The following are applications in the Hard Rock Mining Industry where industrial vibrators are used to solve flow problems: Stone Storage Hopper

  • Geological Applications - Wireline Services for the Mining ...

    19/05/2017  Geological Applications: Measuring Dry Density in Boreholes for Hard Rock Gold Copper Mining. Geophysical borehole density logging in the hard rock mining sector, gold, copper, is becoming increasingly important in mine planning and ore body knowledge. Geological resources are commonly modelled as volumes which need to be converted to mass ...

  • Underhand Cut and Fill Mining as Practiced in Three Deep ...

    and mine layout. Details of the operational aspects of the backfilling and mining cycles at each mine are presented in this paper, accompanied by a summary of the mechanical properties of the backfill and its in-situ geomechanical behavior. 1.0 Introduction . The introduction of underhand cut and fill mining in the 1980s made hard-rock mining in


    Or B = 25D to 30D for hard rock B = 30D to 35D for medium rock B = 35D to 40D for soft rock Spacing (S) : This is the distance in metres between adjacent blastholes and is measured perpendicular to the burden. Usually the relation between drilled burden and spacing is: S = 1 to 1.8B The above definition is best described by the Figure 1.

  • Block Caving -

    Block caving is an underground hard rock mining method that involves undermining an ore body, allowing it to progressively collapse under its own weight. It is the underground version of open pit mining. In block caving, a large section of rock is undercut, creating an artificial cavern that fills with its own rubble as it collapses.

  • Rock Sizing for Drainage Channels - Catchments and Creeks

    Rock Sizing for Drainage Channels STORMWATER MANAGEMENT PRACTICES . Photo 1 – Rock-lined drainage channel . Photo 2 – Rock-lined catch drain (during construction phase) 1. Introduction Rock size is primarily dependent on flow velocity (V), rock shape (round or angular), and rock

  • Block Caving -

    Block caving is an underground hard rock mining method that involves undermining an ore body, allowing it to progressively collapse under its own weight. It is the underground version of open pit mining. In block caving, a large section of rock is undercut, creating an artificial cavern that fills with its own rubble as it collapses.

  • Rock Sizing for Drainage Channels - Catchments and Creeks

    Rock Sizing for Drainage Channels STORMWATER MANAGEMENT PRACTICES . Photo 1 – Rock-lined drainage channel . Photo 2 – Rock-lined catch drain (during construction phase) 1. Introduction Rock size is primarily dependent on flow velocity (V), rock shape (round or angular), and rock


    Dislodging requires heavy energy application and machineries. To simplify the work, rock blasting is the easiest way. In mining operations, blasting has become a routine work. With proper ...

  • Cat Underground - Hard Rock Mining Equipment

    Caterpillar offers a range of underground hard rock mining equipment and solutions to meet your high production demands and lower your cost per ton. This site uses and sets "cookies" on your computer to help make this website better by keeping the site reliable and secure, personalizing content and ads, providing social media features, and analyzing how the site is used. You can learn more ...

  • What Mining Can Learn from Oil: A Study of Special ...

    What Mining Can Learn from Oil A Study of Special Transfer Pricing Practices in the Oil Sector, and their Potential Application to Hard Rock Minerals Governments of mining countries are vulnerable to investors manipulating transfer prices as a means of avoiding paying taxes. The two main risks are mining companies undercharging


    the rock to expand it and then doused it with cold water to contract and break it. This was one of the first great advances in the science of rock breakage and had a greater impact than any other discovery until dynamite was invented by Alfred Nobel in 1867. Mining technology,like that of all industry,languished during the Dark Ages. Notably,a ...

  • Joy Global introduces DynaMiner prototype ... - mining

    26/09/2016  The prototype machine has two key parts, a DynaCut disk that oscillates, which is mounted to a smart boom. It allows Joy Global’s mining customers to break rock rapidly with minimal energy.

  • MMD Group of Companies - History

    OUR HISTORY. The milestones. The innovations. MMD is a worldwide company synonymous with producing innovative equipment for mining, quarrying and recycling applications, here’s a look at some of the developments since the company was founded. 1978 . MMD Founded. Founded by Alan Potts, Mining Machinery Developments (MMD) was setup to design and produce mining solutions for the

  • Equipment and Services for Mining and Rock Excavation

    Our product offering provides solutions for virtually any mining or rock excavation project. Our range of equipment and services for mining and rock excavation are designed to maximize your productivity and profitability. Our expertise is based on decades of working alongside our customers and all our products are backed by our worldwide ...

  • 3 Technologies in Exploration, Mining, and Processing ...

    The life cycle of mining begins with exploration, continues through production, and ends with closure and postmining land use. New technologies can benefit the mining industry and consumers in all stages of this life cycle. This report does not include downstream processing, such as smelting of


    When we get your inquiries, we will send tailored catalogue, pricelist, delivery, payment terms and other required details to you by email within 24 hours.

    * *

    The materials of processing: *

    • Granite
    • Limestone
    • Basalt
    • Pebble
    • Gravel
    • Gypsum
    • Marble
    • Barite
    • Quartz
    • Dolomite
    • Gold Ore
    • Copper ore
    * *