Mechanising Bag Handling
Greetings from my corner of the soon to be frozen wilderness@ 1140 feet above mean sea level.
I think you asked the same thing about bagged rock salt a while back and the below explanation will help you with that as well.
1.If you can load your fertiliser on wooden pallets and use one fork lift to load the truck or trucks.
2.Use a second forklift to unload the truck at the railway depot and use this same forklift to load the railway wagon with two pallets of fertiliser at a time.
3. After the two pallet stack is loaded on the edge of the railcar usig a pallet jack-either a manual-unpowered or a battery powered walkie pallet jack and move the pallets to the end of the rail car and set them down and then repeat the process untill the railcar is full.
4. the fork lifts and pallet jacks will save you a lot of time and you will be able to load many more railcars with the employees you now have.
I f you have trouble obtaining wooden pallets an option is to buy good permanent steel pallets and unload the bags into the rakes- it will still save you time on transporting bagged product to the railyard and you will be able to reuse the steel pallets forever as you will no be leaving them on the railwagons for delivery to the destination.
If fork lifts battery powered fork lifts and pallet jacks and wood or bsteel pallets are not an option; a portable flat bed conveyors used to move bagged products are an option.
A portable conveyor would save labor and allow you to fill the rakes faster and you could fill both ends of the railwagon at once.
Google (battery powered fork lifts)
(pallet jacks)
(clark fork lifts)
(portable conveyors) ■
Re: Mechanisation For Bagged Cargo Loading In Railway Wagons
Dear Mr. Desai, Here is the answer of your querry.
There are two types of wagonloadings. In first case to entire racke is standing on one platform here you need length of platform about 800 m and in second case you can divide the racke in to two parts means you need only 400 m long platform.In first case the wagon loading machine shall be of single side loading and in second case the wagon loading machine shall be loading on both side of platforms and the feeding conveyor shall be running in the centre at 6 m height.Please note that now a days railway gives only 3 hours max. to load a racke.I can design the fentire system including preperation of tender documents for the entire project.I have designed for then 30 such systems for Cement and fertiliser plants.
Anil
Director
Libran Engineering& Services
09811055650
www.libranengineering.com ■
Re: Mechanisation For Bagged Cargo Loading In Railway Wagons
Working on the modern 3 hours turnaround quoted: It is required to place 4.65 bags per second or 838tph in bags.
At present you need 4 trucks to fill a railcar; 160 trips in total equates to 53 truck deliveries per hour, safely (??) one truck deliverey per minute! in bags!
Dropping a bag 6m takes 1.106 seconds ; so dropping a pair of bags equates to 0.55 seconds. With the traike split in two the period reduces to 0.275 seconds which gives 3.61 bags per second in free fall. Obviously you need more than 4 feeding points from a single conveyor.
As Izaharis says; plonk the palletised cargo along the platform ready to go when the chugalong arrives. Then stuff the cars using about 12 forklifts. The calculation above takes no account of stopping the bags nor any horizontal movement either.
If you reall want automation you will have to change the door access on the rolling stock. I've used Hydraroll systems myself, as a driver, to load 26 pallets of detergent (equivalent to 1200 of your bags) in just short of 30 seconds. Its impressive. I did it completely on my own. You want automated truck loading, speak to somebody like Hydraroll. Bags are not for conveyors. how do you get them out at t'other end??
This is the link www.joloda.com
Joloda (International) Ltd
Headoffice
51 Speke Road
Garston
Liverpool
L19 2NY
England
They're Scousers, like me; so they must know what they're about. ■
John Gateley johngateley@hotmail.com www.the-credible-bulk.com
Re: Mechanisation For Bagged Cargo Loading In Railway Wagons
Dear Shri Kashyap Desai,
The automatic loading of bags in trucks or in railway wagons is a routine requirement across the world. Somewhat simple to most sophisticated truck loading and wagon loading equipment and systems are being manufactured by reputed companies. Such companies also manufacture entire systems right from bag filling, stitching, conveying to godown, automatic storage in godown and from there to truck loading or wagon loading. Higher the level of automation (i.e. less the labour element), the system becomes expensive. In general, these are not cheap type of systems. Many times people opt for intermediate level of automation i.e. the bag will come right up to the gate of wagon nearly automatically, but from there these will stacked manually. Such system you can see in some of the fertiliser plants in India. Previously, as a part of my job, we were often quoting for this type of system and plants were also installing.
Regards,
Ishwar G Mulani.
Author of Book : Engineering Science and Application Design for Belt Conveyors.
Author of Book : Belt Feeder Design and Hopper Bin Silo
Advisor / Consultant for Bulk Material Handling System & Issues.
Email : parimul@pn2.vsnl.net.in
Tel.: 0091 (0)20 25871916 ■
Mechanisation for bagged cargo loading in railway wagons
we want to do mechanisation for reducing labor dependancy for loading 50kg. bagged fertiliser cargo in pp bags into the railway wagons. indian railway provide TYPE-BCN. in which 1256 bags of urea can be stacked in one wagon. A train(rake) consists of 40 wagons and total rake length is around 700 m. one wagon has 2 doors on both the sides(total 4 doors, 2 each side). existing method is to manually load 300 bags in trucks from godown and brought to rail way yard and again manually loading in railway wagons. we need automation may be for transfer from godown to trucks and trucks to wagon which can load one rake in 5-6 hrs.
please guide me. ■