Greetings and salutations from my corner of the soon to be frozen eastern wilderness @ 1140 feet above mean sea level.

Adrian,

WR Stamler has a lot of units placed in australia the last time I checked soI would contact either WR Stamler or JOY to find one near you- Call WR STAMLER first as they will have that information at their finger tips as they ship from Millersburg, Kentucky USA.

Unfortunately you have neglected tell us how and from where you will be feeding the feeder, or whether it is a feeder based on the use of conveyor belt for same etc., not that it really matters much.

Why on earth are you designing a belt feeder when you can go out and buy a perfectly good WR Stamler or a Roscoe Long Airdox or Mclaughlin conveyor belt feeder for that size of production?

There is no sense throwing good money away when these things have been in existance for fifty years plus in the worst mining conditions and reclaiming crushed ore with same.

A 2000 ton per hour feeder rate for these machines is nothing and is easily accomplished with the models and sizes available from the various manufacturers listed below.

Considering what goes into a feeder or any feeeder for that matter and what is required to build one you are wasting your time and money when it (a market ready belt feeder) with an excellent track record is available.

If you intend to design one from scratch you are going to have problems as you need a lot of hardox steel and a lot of welding and a lot of design work that has already been done and proven with the WR Stamler, Long Airdox and Mclaughlin lines of feeders.

If you are looking for a strict feeder and feeder only the WR Stamler is the best in this mechanics opinion from my experience of working on them for 22 years.

The simpler it is the dumber it is and the easier it is to work on- you have to understand that and that is why WR STAMLER has the most placements and repeat orders and they were the first units used in underground coal.

The WR Stamler site/Joy etc has a lot of pictures including some from a power plant on the island of Sardinia that would have the size you need for about 300K or so almost ready to work.

A very small WR Stamler belt feeder will move huge amounts of crushed concentrated ore with ease.

Joy mining machinery recently purchased WR Stamler from the Oldenburg Group.

Parts are shipped out of the Millersburg, Kentucky warehouse and factory site world wide.

They will even assemble the machine for you if needed.

Google

WR STAMLER history first so you can understand and read the history of the belt feeder first before you go any further.

Belt feeders

Joy Mining Equipment

WR stamler

Long Airdox belt feeeders

Mclaughlin belt feeders

I hope I did not steal your thunder John.

leonZ

Disclaimer:

I do not work for WR STAMLER JOY, LONG AIRDOX, MCLAUGHLIN etc. ■

Greetings and salutations from my corner of the soon to be frozen eastern wilderness @1140 feet above mean sea level.

Mr. Brewster,

Bed depth is not an issue really as a stamler belt feeder can be built with a hopper or without one-as was illustrated by the WR STAMLER pictures of a coal reclaim in sicily and pictures by mclaughlin at a dozer fed reclaim.

The typical hopper height in high seam mining situations is less than a meter or with larger units such as for tar sands dumps/crushers higher than 15 feet for dumping 100 ton plus ore trucks into a breaker.

If you are using a front end loader, a hopper is a good thing to have to avoid careless operators and two it controls the mess

to an extent so shoveling is at a minimum.

Regarding the bed depth the height of the base frame is a foot or more as the dumping bed and flight chains and sprocket take up all that room with hardenened steel sheet for the floor of the hopper which the flight chain and conveyor flights ride upon, the tailshaft assembly is very substantial as well to allow easy repair and maintenance. etc.

If time and tides allow you should go to Millersburg, Kentucky to the assembly factory and warehouse located at Main and Stamler street in MIllersburg to see what they are all about as they are always building units for surface and underground useage.

Ninety nine percent of the algebra puzzle is the loading method,

placement of the feeder and acccess for maintenance as this will determine what you need; but an open frame hopperless feeder if desired is something to consider if possible as their are only four bearings used and thier repair is easily accomplished with replacement of the head or tailshaft-I have done it enough to tell you how easy it is to do.

lzaharis ■

Adrian

I can see no problem with 500mmm material on the belt, your slot seems to be too long.

You can ring RCR in Bunbury and ask them - they are pretty friendly bunch

regards

Ziggy ■

Adrian

send me your address to ziggy.gregory@vibfem.com.au and will forward to you artilcle on bin interfaces in belt and apron feeders.

Regards

Ziggy ■

Interested in a special super low coef. friction liner for copper concentrate in bin bottoms? Email me at below. ■

How is the copper concentrate produced? I've seen some errant kiln product in Zambia which was like warm dough.

500mm depth does seem high for a 1200 belt & so you will need low friction skirting all along. Cleaning should be easy enough if you can run the belt empty for a spell.

You seem to be holding just 3 bucketfulls which is not so severe, as you said. The slot is a lot long. I'd begin at 4000 x 800 & see how it looks on paper. We can't see your installation from here as you can understand.

If your discharge system accommodates the sideways fall of the 500mm depth then you seem to have covered all points rather well. Best of luck. ■

Lot of unnecessary power loss and belt wear with your design.

Will have an issue with plop pressure and skirt leakage in the form of fugitive dust and spittal, when you drop a bucket on the empty belt. I can be done better. ■