Slewing Boom Stacker general overview | Site view | Part description | Material handling
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- Опубліковано 9 вер 2024
- Slewing Boom Stacker general overview | Site view | Part description | Material handling
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A stacker is a large machine used in bulk material handling. Its function is to pile bulk material such as limestone, ores and cereals on to a stockpile. A reclaimer can be used to recover the material.
Stackers are nominally rated for capacity in tonnes per hour (tph). They normally travel on a rail between stockpiles in the stockyard. A stacker can usually move in at least two directions: horizontally along the rail and vertically by luffing (raising and lowering) its boom. Luffing of the boom minimises dust by reducing the distance that material such as coal needs to fall to the top of the stockpile. The boom is luffed upwards as the height of the stockpile increases. Some stackers can rotate the boom. This allows a single stacker to form two stockpiles, one on either side of the conveyor.
Stackers are used to stack in different patterns, such as cone stacking and chevron stacking. Stacking in a single cone tends to cause size segregation, with coarser material moving out towards the base. In raw cone ply stacking, additional cones are added next to the first cone. In chevron stacking, the stacker travels along the length of the stockpile adding layer upon layer of material.
Stackers and reclaimers were originally manually controlled, with no means of remote control. Modern machines are typically semi-automatic or fully automated, with parameters remotely set. The control system used is typically a programmable logic controller, with a human-machine interface for display, connected to a central control system.
Other than stacking, a stacker has three basic movements:
Luffing: This is vertical movement. Stackers use either a winch mechanism with metal wire, or hydraulic cylinders, generally two. Winch mechanisms are highly reliable compared to hydraulic actuators and remain widely used, particularly in large stackers.
Travelling: The stacker moves on a rail track, which may be broad or narrow gauge, enabling it to move around the stockyard as required. For this purpose, traction motors powered by direct current (DC) are connected by bevel gears to between 12 and 22 wheels. For manual control, all the controls are in a controller's cabin above the boom conveyor or boom. Modern stackers can be controlled remotely.
Slewing: This is rotation of the stacker around its central axis to align or place the stockpile where required. This works mostly by a slew pinion that rotates around a slew base. This type of gear assembly is called a sun and planet gear. The axles may be multiple and are driven by DC-powered axle motors which transmit the torque via bevel or helical gears.
The conveyor belts used in stackers may be made of fabric or metal wire, depending upon the material to be handled. They are driven by pulleys, which in turn are driven by DC motors. The motors and gear are coupled by fluid coupling.
Most stackers are electrically powered by way of a trailing cable. There are basically two types of cable trailing: power cord rotating drum (PCRD) and control cable rotating drum (CCRD). Pendulum adjustments are made to ensure the proper alignment of these cables while the stacker is travelling.
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Thank you so much sir for share this video because this video is so useful for me.
Achi jankari h sir
Good video sir
Good knowledge video
Thank you sir
Thanks
I am stacker and reclaimer operator
Sir pl make a video on stacker & Reclaimer maintenance parts.
Sir pls make a video on Coal Reclaimer with parts
Small favor sir... Which grease using for slew rack and pinon??bcoz it's look dry...
Thank you
sir please do the videos by English language
Sir Aap inside Pannel video bhi banao used plc i/o Pannel
DRIVE USED
TPH
Sir reclimer ke bare me bhi btaa diya kro
Wireless system lagane ke liye bataea
Sir detail video banaya plz sir
Ok sir
Boom belt jam
Stacker reclaimer luff system boom down ke samay vibration ho raha hai kuyy
Boom belts jam ho jay to kay fast Solution
Sir stacker reclaimer ka interview question answer video banaye
I am instruments department working Eleven years experience
Stakar masinki ka amaunt kitna hota hai
Stacker fault video is where sir I surch but no found
Sir cement plant me diploma in mechanical wale ke leye kya kya job scope ha. Detail vedio banao ispe sir. Or job start kerne ka keya way ha.
Sir reclaimer kis Siddhant per kam karta hai
Reclimer ke bare me btaye
Boom Luffing digri ke bare me jaankari dijiye 🙏
It is depend upon capacity of equipment which is again inter connected with stock yard capacity. (In general -11°, +8°)
Sir yahn pe rail system kyu hai uska kya work hai
Stacking ka meaning kya he sir
Sir part name plz sir
Sir,optering kese kartehe
Stacker me kya kya hota kaise chalta hai
Sir...this is not zpmc , fgi
company name..
Esme kya kya folit aata h
Stacker mei intertocked,pile pos alarm, unit alram , overtravel,travel tripped, motion fault etc. Fault aata hya duds
Bag fiter ka video
Asa stacker kyon dikhate ho jo down hai?
Sir unbalanced motors ka Kam Kya hai
Unbalanced motors are fitted on a frame and tray to create vibration. This equipment will be used for transfer of Material from one point to another equipment by regulating the feeding (Ex. From hopper mouth to conveyor through vibrating feeder )
Dcw plant ka yena
Type kon sa hai
Sir me stacker reclaimer operator hu kahi job h to btana sir 6 saal ka experience hai sir
Stacker mashin kitna tan ka hai
304 Tan
Reclaimer operator stacker operator job dubhai may kahaper hai any vacancy details send me
Bering ka number batlao
Kahan h sir ye system
Coal handling plant
Thermal plant
Rhms or port area etc...
Sir reclimer ke bare me bhi btaa diya kro
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