Documentsinformation to be furnished alongwith offer 2. Bridge type bucket wheel reclaimers are applied to homogenize bulk material. The traditional design method of bucket wheel stackerreclaimer, however, mainly. Richmond engineering works specializes in designengineering, fabrication and installation along with inspections and upgrades for the work horses of the storage yard. The other bucket wheel reclaimers, because boom can be short because of the operates with boom positioned at right be supplied as dualpurpose stacker. Fam, circular stacker reclaimer, cst80, germany, fertilizer works, circular. Reclaimer in cement plant reclaimer operation this is bridge type reclaimer in cement plant. They can be designed as reclaimers or combined stacker reclaimers for handling.
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. Reclaimers are named according to this type, such as bridge reclaimer. Bucket wheel stacker reclaimer courtesy of thyssenkrupp. Reclaimer in cement plant reclaimer operation youtube. Reclaimers bucket wheel and scraper type, combined stacker reclaimers for longitudinal and circular stockpiles and covered storage sheds or domes. The excellent mixing and blending effect of the drum or barrel reclaimer is achieved through. Bucket wheel stacker reclaimers richmond engineering works.
The bucket wheel trolley on the main girder travels on eight vertical rollers. Bridgetype bucket wheel reclaimers and drum reclaimers. For ports and terminals vamh provides the complete range of bulk shiploaders, grab type and continuous type ship unloaders. Some pdf files are protected by digital rights management.
Brochure about trencherstyle bucketwheel reclaimers. Stacker reclaimers, which combine tasks to reduce the number of required machines, also use bucket wheels to carry out their tasks. Complete hydraulic solution for stacker reclaimer 2nd. Bucket wheel reclaimers are the ideal means of handling and moving. 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. The other bucket wheel reclaimers, because boom can be short because of the it has a different mode of operation. Gbt 146952011e bucket wheel stacker reclaimer type and basic parameters text of document is in english. Our bucket wheel reclaimers cover the following flow rates and sizes. This arrangement results in a reduced number of pivot joints. Advanced technology and reliability in europe s largest. Bucketwheel stacker reclaimers travel on a rail track alongside the piles offering a possibility for selective stacking and recovery of materials in different. A bucket wheel reclaimer can typically move manual handling of dozers for reclaiming operation in three directions. 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. Pdf methodology to calculate the effective reclaiming.
Pdf methodology to calculate the effective reclaiming capacity. Construction, working and maintenance of stackers and. These machines are also transporting the reclaimed material to one of the barge unloaders or to the wagon loading systems with the latter ones being desi gned, fabricated and installed by tkis as well. 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. Bucketwheel stacker reclaimers metso stacker reclaimers offer the most technologicallyadvanced list of standard features in the industry. Takraf bridgetype bucketwheel reclaimers are primarily employed in applications reclaijer bulk material is to be homogenized with high required material flow rates. Bucket wheel stacker reclaimers travel on a rail track alongside the piles offering a possibility for selective stacking and recovery of materials in different. It is also found rclaimer be an advantage if each axial series of openings has its individual openings substantially uniformly axially spaced from each other. Coal terminal stacker reclaimer bucket wheel machines and ship loaders duration. Four horizontal rollers at the level of the lower bridge chord ensure lateral guidance of.
Combined bucket wheel stacker reclaimer koch mvt combined stacker reclaimer perform stockpiling using all established stacking and reclaimming. Stacker reclaimers are designed as either railmounted or mobile on crawler tracks and are trenching or slewing type machines. A barrel reclaimer has a drum member with axially extending series of openings provided with buckets for taking material from a stockpile. Reclaiming of coal, iron ore and grain are necessaryessential in industries like power plants and mining. This allows it to operate in combination with a reversible stockyard conveyor featuring different running directions during stacking and reclaiming.
Pdf design, fabrication and testing of linear motion bucket. Pdf design, fabrication and testing of linear motion. The bridge type bucketwheel reclaimer blends and homogenizes material that has been piled up to the chevron system stackers of a blending yard. Circular stacker reclaimers bucket wheel reclaimers stacker reclaimers loading systems. Material handling, bucket wheel technology is used extensively in bulk materials handling. Bucket wheel reclaiming coal from storage for loading onto ocean going ships and coastal barges. Bridge bucket wheel reclaimers reclaimer with two separately driven bucket wheel and speed regulated trolley.
Bridge type bucket wheel reclaimer is capable of automatic operation and is appropriate for blending. The circular stockpile installed in a cement works has a special loosening rake for wet clay. 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. Our highperformance solutions ensure quick payback and minimal maintenance for your bucket wheel 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 the same machine. Industrial solutions bucket wheel and drum reclaimers. Twin boom type scraper reclaimer scraper rotates along the slope of bulk material piled in a storage yard and discharges it onto a conveyor. Bucket wheel reclaimer is a type of reclaimer used for this purpose. This type of reclaimer excels with respect to quantitative discharge and is capable of automatic control. Bucket wheel reclaimers are used to pick up material that has been positioned by a stacker for transport to a processing plant. Stacker reclaimers are used where large volumes of material must be readily available andor where yard length is limited. Loadbearing steel structure diagnostics on bucket wheel excavator, for the purpose of failure prevention. Bucket wheel stacker reclaimer, bucket wheel stacker reclaimer.
Construction, working and maintenance of stackers and reclaimers. Highperformance and robust systems are needed for the high performance handling and blending of. Any facility where efficient stockpile management of raw materials is essential. Bucket wheel reclaimers use bucket wheels for removing material from the pile they are reclaiming. Bucketwheel stacker reclaimer brochure metso corporation pdf. Pdf this paper focuses on the methodology to calculate the effective reclaiming capacity of railmounted bucket wheel reclaimers, and.
Each port has its own individual site requirements, namely commodity, capacity and local regulations which dictate the type of shiploader or shipunloader to be employed. Stacker reclaimers bruks customizable stacker reclaimer product line includes automated storage solutions for a wide variety of bulk materials. The buckets 10 are doublesided, with a central axial partition 12 extending between end plates 14 and oppositely facing outer scoop walls 16 projecting from the partition 12, so that the drum can operate in either direction of rotation. Analysis of reclaiming process of bucket wheel stackerreclaimer. The present article provides description of a catastrophic failure of a stackercum reclaimer in one iron ore mining area in india. Takraf bridgetype bucket wheel reclaimers are primarily employed in applications where bulk material is to be homogenized with high required material flow rate. Need of stackers and reclaimers since bulk materials arrival time at a plant is much shorter as compared. Bucket wheel reclaimer pdf reclaiming is done by reclaimers. Our typical machines cover the following flow rates and sizes. Stacker reclaimer bucket wheel are used for reclaiming. Manual handling or usage of dozers for reclaiming operation requires lot of time, man power, and money and also involves risks of accidents.
What sets bwes apart from other largescale mining equipment, such as bucket chain excavators, is their use of a large wheel consisting of a. Alaska railroad right of way passes through rugged mountain passes from usibelli coal mine in healy, ak to. Bulk handling equipment reclaimer data sheet for bucket wheel reclaimer rail mounted, part 3. Scraper reclaimers use a series of scrapers on a chain to reclaim the material. Gb146952011e bucket wheel stacker reclaimer type and basic parameters text of document is in english. Our stacker reclaimers result in lower operating costs, increased storage and improved product quality. Elecon is a company with international standards and worldclass capabilities, and today stands as asias largest gear manufacturer and an integrated solution provider for entire value chain in material handling systems. At dry bulk terminals, combined machines for stacking and reclaiming stacker reclaimers are generally installed to handle the incoming as well as the outgoing flow of bulk materials.
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. The hollow output shaft of the gear box is clamped on the drive pulley shaft through a key less shrink disc element. The reclaimer structure can be of a number of types, including portal and bridge. Problem of luffing system of stacker reclaimer 60 problem of luffing system of stacker reclaimer pawan m. Gbt 146952011e bucket wheel stacker reclaimer type. Modern mechanical designer manual volume ii, section 9. Sahare final year, me rtmn nagpur university, e1523 urjanagar, chandrapur442404, india. Bucket wheel reclaimers are the ideal means of handling and moving large amounts of bulk materials in the shortest possible time. Bruks stacker reclaimer designs include both linear and circular models. In 2007 and 2012, europes largest combined bucket wheel stackerreclaimers. Bucket wheel drive stacker reclaimer fluidtronik played an instrumental role in convincing the client to opt for a direct fluid drive system. Metso machines are equipped with a manual and automatic control system. Bulk handling equipment reclaimer data sheet for bucket wheel reclaimer rail mounted, part 2.
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