Bridgetype bucket wheel reclaimers can be designed with one or two bucket wheels and for uni or bidirectional operation. Ldc tm3 th th th lmin mm ms mmin mmin mm 17,5 imt usa coal 1. Analysis of reclaiming process of bucket wheel stacker. The bucket wheel drive either consists of hydraulic system or motor,fluid coupling, brake and gear box, mounted on a drive frame supported by bracket. Bucket wheel stacker reclaimers richmond engineering works. Pdf abstract in bucket wheel stacker reclaimer, the reclaiming process is. Fam, circular stacker reclaimer, cst80, germany, fertilizer works, circular. Expertise counts replacing the slew bearing or slewing components is one of the most difficult and hazardous jobs on a stacker reclaimer, but. Q prospect view to development of bucket wheel stackerreclaimer. Large machinery such as bucket wheel reclaimers, ship loaders, and tunnel boring. In addi tion, the bucket wheel trolley or trolleys are either equipped with a rake or an active scraper in case of poor flow properties. Modern mechanical designer manual volume ii, section 9. Typical stacker reclaimer bucket wheel during inspection. This paper focuses on the methodology to calculate the effective reclaiming capacity of railmounted bucket wheel reclaimers, and stacker reclaimers, for largescale raw bulk material handling systems.
Vamh special roller bearings in bucket wheel reclaimers examples of application engineering wl 21 512 ea. Bucket wheel reclaimer consists of a system of belt conveyors and extendable boom on which a heel is fitted. Bucketwheel stackerreclaimers travel on a rail track alongside the piles of material, offering the potential to selectively stack and reclaim materials in different stockpile sections. We offer an extensive selection of stacker and reclaimer systems to meet precisely your needs. Stacker reclaimers bruks customizable stacker reclaimer product line includes automated storage solutions for a wide variety of bulk materials. Sep, 20 the 5 calibers to claim the most powerful handgun in the world title reupload duration. In many of these cases we can also convert these types of machines over to our proprietary cannonball design for an extended service life of the slewing components.
It obtains the 3d shape of the pile by the laser scanners mounted the reclaimer. Takraf combined stacker reclaimers with bucket wheel boom are primarily employed where medium or large or very large material flows are to be stacked and then later reclaimed by. Pdf design, fabrication and testing of linear motion bucket. Bridge type bucketwheel reclaimers thyssenkrupp robins. Takraf boomtype bucket wheel reclaimers are popular in applications where medium to high flow rates from dumps are being reclaimed. For continuous stacking an reclaiming of crushed bulk materials, economics solutions can only be achieved by the use of combined bucket wheel stacker reclaimer. Voestalpine bucket wheel reclaimer varl 1800 source. Reclaimer in cement plant reclaimer operation youtube. Bucket wheel stacker reclaimer is a kind of largescale loadingunloading equipment developed for handling bulk materials continuously and efficiently in longitudinal storage in coal and ore stockyards for such fields as power, metallurgy, coal, building material and chemical industries. Manual handling or usage of dozers for reclaiming operation requires lot of time, man power, and money and also involves risks of accidents. Railmounted bucket wheel stackerreclaimer with a slewing boom 21. A bucketwheel excavator bwe is a large heavy equipment machine used in surface mining the primary function of bwes is to act as a continuous digging machine in largescale openpit mining operations, removing thousands of tons of overburden a day. Stacker cum reclaimers economical solution for stockyards where simultaneous stacking and reclaiming is not required. This type of reclaimer excels with respect to quantitative discharge and is capable of automatic control.
The design of bucket wheel mechanism of bucket wheel stackerreclaimer mainly refers to the bucket wheel excavators design specifications, which is rather conservative. Number of track wheels driven wheels track wheel dia. Development and history surface of the stockpile in a longitudinal direction. For the purpose of deciding whcthcr a particular requirement of this standard is complied. The jib of stacker and reclaimer could slew, luff, prolong and shorten itself. In general, the many applications of the bucket wheel stacker reclaimer. Stacker cum reclaimers the stacker reclaimers are used extensively in stockyards and are ideal for ensuring endtoend logistics between incoming raw materials and their processing in the plant. Pdf simulation of bucket body of bucket wheel stacker reclaimer. Four horizontal rollers at the level of the lower bridge chord ensure lateral. I need english version sandard specification, operation manual, maintenance handbook about stacker and reclaimer, because our products are saled to other countrys. As mentioned before, development of the adequate methodol.
Bucketwheel stacker reclaimers parts and refurbishments to. Flsmidth has commissioned some of the largest stackers and reclaimers in the cement industry, matching kiln throughputs of up to 12,000,000 tpd. Stacker, wheel bucket reclaimer and wheel bucket stacker and reclaimer. Stacker reclaimer bucket wheel are used for reclaiming.
Introduction the operation of the bucket wheel excavators. Sep 23, 2018 fam, circular stackerreclaimer, cst80, germany, fertilizer works, circular. Bucket wheel reclaimers use bucket wheels for removing material from the pile they are reclaiming. Stacker reclaimers, which combine tasks to reduce the number of required machines, also use bucket wheels to carry out their tasks. Bucket wheel reclaimers are used to pick up material that has been positioned by a stacker for transport to a processing plant. Industrial solutions bucket wheel and drum reclaimers. Pdf this paper focuses on the methodology to calculate the effective reclaiming. Development of autonomous bucket wheel reclaimer with laser vision. Locations, is an ideal solution for stacker reclaimers. Bruks stacker reclaimer designs include both linear and circular models. The hollow output shaft of the gear box is clamped on the drive pulley shaft through a key less shrink disc element. Track gauge trailer design overall length number of track wheels elevator conveyor bucket wheel stacker reclaimer, trencher design. System dependability, efficient operation, and long service life are the.
Pdf methodology to calculate the effective reclaiming capacity. Consistent performance combined with a good ratio between machine weight and capacity flexibility of choosing between mechanical or hydraulic drives vvvf drives for all motions of the equipment state of the art plc systems with user friendly. A reclaimer uses a conveyor system to move any material reclaimed from the boom to its specific pile. Development, design, application series on bulk materials handling rasper, dr. The other bucket wheel reclaimers, because boom can be short because of the operates with boom positioned at right be supplied as dualpurpose stacker. Twin boom type scraper reclaimer scraper rotates along the slope of bulk material piled in a storage yard and discharges it onto a conveyor. The bridge type bucket wheel reclaimer is a largescale loading and unloading equipment for bulk materials with high efficiency and continuous operation. Briefly, the reclaimer lost its excavating bucket wheel when the wheel driveshaft of diameter 320 mm fractured, because of a fatigue crack originating at a small cavity 40 mm below the shaft surface figure 9. Bucketwheel stacker reclaimer brochure metso corporation pdf. Research, development and construction of machines for handling and. They can be designed as reclaimers or combined stacker reclaimers for handling. Bridge type bucket wheel reclaimer is capable of automatic operation and is appropriate for blending. But having the eyes so close to the area to be measured is like giving a horse blinkersthe 3d terrain model overview becomes very limited and will not be suitable for giving the remote based operator a true and realtime.
Pdf bucket wheel reclaimer modeling as a robotic arm. The wheel has a number of buckets around it which dig into the pile of the material and loads it onto the conveyor system for feeding to the plant. They can stock material in stockpiles and reclaim them with a bucket wheel at the boom tip. Reclaimer machine professional supplier juli engineering. Development, design, application series on bulk materials handling. Reclaimers and bucket wheel machines are used for continuous reclaiming operations and. Each stockpile is reclaimed using two different boom slew positions. All the operations of the reclaimer can be controlled automatically in the remote control room. Takraf bridgetype bucket wheel reclaimers are primarily employed in applications where bulk material is to be homogenized with high required material flow rate. A bucket wheel reclaimer can typically move manual handling of dozers for.
What sets bwes apart from other largescale mining equipment, such as bucket chain excavators, is their use of a large wheel. Each weighs 1750 t and has a 60m boom with a bucket wheel diameter of 10. Modeling, bucket wheel excavator, sensors, control system 1. Combined stacker reclaimers can operate as stackers or as reclaimers. Stacker reclaimers are designed as either railmounted or mobile on crawler tracks and are trenching or slewing type machines. Reclaimers are named according to this type, such as bridge reclaimer. Development of autonomous bucket wheel reclaimer with. Stacker and reclaimer for limestone storage in the cement plant duration. The reclaimer structure can be of a number of types, including portal and bridge.
Bucket wheel reclaimers are familiar at triangular piles, trapezoidal piles and at trapezoidal piles with side banks. Combined bucket wheel stacker reclaimer koch mvt combined stacker reclaimer perform stockpiling using all established stacking and reclaimming. Elecon bucket wheel stacker reclaimermachine can stack the material to form the stockpile or reclaim the stockpiled material and feed onto themain line conveyor. Our highperformance solutions ensure quick payback and minimal maintenance for your bucket wheel reclaimer. Bucket wheel stacker reclaimer, bucket wheel stacker reclaimer. Trf stacker cum reclaimers are in operation at all major. Sep 12, 2018 fam, circular stackerreclaimer, cst80, germany, fertilizer works, circular.
Bucketwheel stacker reclaimers metso stacker reclaimers offer the most technologicallyadvanced list of standard features in the industry. Simulation of bucket body of bucket wheel stacker reclaimer. It obtains the 3d shape of the pile by the laser scanners mounted the reclaimer, and extracts the landing position through computer vision techniques. Updating your drive coordination can benefit stacker reclaimer operations in the following ways. Pdf methodology to calculate the effective reclaiming. International journal of engineering development and research. Reclaiming by slewing inching inching forward area previously area to be reclaimed reclaimed next bucket wheel reclaimers autoreclaiming process meeting diverse customer needs with kawasakis superior technology conveyance systems underpinned by. Methodology to calculate the effective reclaiming capacity of railmounted boomtype bucket wheel reclaimer and stacker reclaimer article pdf available in. With hundreds of references, thyssenkrupp has the storage equipment for all applications.
These machines are made up of a bucket wheel, a counterweight boom, and a rocker. On the dynamic modelling of bucket wheel excavators. Development of concepts for automatic operation of materials handling systems. The circular stockpile installed in a cement works has a special loosening rake for wet clay. Trf has engineered and supplied stacker reclaimers for coal, iron ore, limestone, sinter and coke. Nov 11, 2014 the present article provides description of a catastrophic failure of a stackercum reclaimer in one iron ore mining area in india. These success ful applications will help explain the growth in acceptance. Armourgraph wear liners demonstrate typical tensile strength improvements of 30% and abrasion resistance improvements of 100% for all wear liner applications. The bucket wheel trolley on the main girder travels on eight vertical rollers.
Bucket wheel stacker reclaimer design pdf bucketwheel stacker cellless or celltype bucket wheel construction is available depen metso stacker reclaimer control systems are designed with the. Rockwell automation mining solution stacker reclaimers. It is mainly used in coal and ore storage yard in power, metallurgy, coal, building material and chemical industries, suitable for the rectangular stockyard, with good material blend effect. Reclaiming of coal, iron ore and grain are necessaryessential in industries like power plants and mining. The number of blocks are selected in accordance with the height of the stockpile and the diameter of the bucket wheel. Bucket wheel construction cellless or celltype bucket wheel construction is available dependent on the application and material. Bearing arrangement the following fag bearings and housings are used. It obtains the 3d shape of the pile by the laser scanners mounted the. Our bucket wheel reclaimers cover the following flow rates and sizes. An autonomous system of the bucket wheel reclaimer is developed to improve capability of the reclaimer in dark or bad whether. A reclaimer is used for reclaiming applications, these applications can have low, medium, and high material flow rates. Manual steel shot blastcleaning for element sizes of up to 25 x 8. Stacker bucket wheel stacker reclaimer shiploader 2,000 th linear slewing and luffing stacker 1,540 th linear luffing stacker 3,0002,400 th stacker reclaimer bucket wheel reclaimer 3,300 th reclaimer 15,500 th shiploader bucket wheel continuously scoops up bulk material piled in a yard, such as coal or iron ore, and discharges it onto a.
Circular stacker reclaimer ebook download pdfin website. Bucket wheel reclaimer manufacturer juli engineering. A wide variety of bucket wheel reclaimers options are available to you. Data sheet for bucket wheel reclaimer rail mounted. Preprint control of a bucketwheel for surface mining of. Pdf design, fabrication and testing of linear motion. The operating condition is monitored and analyzed using. The stockpiles which they reclaim are typically 150m long, 17m to 19m high and 55m wide. Development and realization of an efficient control system of such a plant requires a good model. Development of autonomous bucket wheel reclaimer with laser. Methodology to calculate the effective reclaiming capacity of railmounted boomtype bucket wheel reclaimer and stacker reclaimer article pdf available in bulk solids handling 243.
Bucket wheel reclaimer bwr is one of the main equipment which has been widely used for stackingreclaiming bulk materials i. When youre dealing with the risk of shock loads and need a robust system that will keep on working even in the toughest environments, rexroth has the drive and control solutions for you. Need of stackers and reclaimers since bulk materials arrival time at a plant is much shorter as compared. Introduction the bucket wheel excavator bwe is a complex nonlinear electromechanical system, of great mass, dimensions and power. Wealth of experience in development, design, fabrication, erection. Scraper reclaimers use a series of scrapers on a chain to reclaim the material. Control optimisation of automatic reclaimers at bhp iron. The design of bucket wheel mechanism of bucket wheel stacker reclaimer mainly refers to the bucket wheel excavators design specifications, which is rather conservative. We are also able to provide bridge bucket wheel reclaimers for one or two directional reclaiming and all our machines are automated. All the operations of the reclaimer can be controlled automatically in the remote. Thyssenkrupp robins products bucketwheel stackerreclaimers.
Richmond engineering works specializes in designengineering, fabrication and installation along with inspections and upgrades for the work horses of the storage yard. Bucket wheel stacker reclaimer industrial solutions for the mining and materials handling industry advanced technology and reliability in europe s largest terminal for coal and iron ore emo, located at the entrance to rotterdam s seaport, is the largest import and export terminal. Bucket wheel stackerreclaimer bucket wheel mechanism discrete element. Construction, working and maintenance of stackers and. Advanced technology and reliability in europe s largest. Scraper reclaimers, traveling a horizontal runway, is designed to service parallel storage piles from booms mounted on either or both sides of. Bogie supporting the portal of stacker bridgefor radial blending machine. Weihua provide 2 sets of bucket wheel stacker and reclaimer for the 2. Basic reclaiming movements a slewing bucket wheel reclaimer has three degrees of.
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